1 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
4 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
5 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
6 (HONOR_REG_ALLOC_ORDER): Describe new macro.
7 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
8 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
9 account only if HONOR_REG_ALLOC_ORDER is not defined.
10 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
11 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
13 2010-04-29 Jon Grant <04@jguk.org>
15 * collect2.c (vflag): Change type from int to bool.
17 (helpflag): New global bool.
18 (main): Set vflag and debug with boolean, not integer truth
19 values. Accept new "--help" option and output usage text if
21 * collect2.h (vflag): Update prototype.
24 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
27 * plugin.h (flag_plugin_added): Moved out of
28 invoke_plugin_callbacks.
30 2010-04-29 Richard Guenther <rguenther@suse.de>
33 * plugin.h (invoke_plugin_callbacks): Annotate arguments
34 with ATTRIBUTE_UNUSED.
36 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
39 * config/i386/i386.c (get_some_local_dynamic_name): Replace
40 INSN_P with NONDEBUG_INSN_P.
41 (distance_non_agu_define): Likewise.
42 (distance_agu_use): Likewise.
44 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
46 From Dominique d'Humieres <dominiq@lps.ens.fr>
48 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
51 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
53 * plugin.h (invoke_plugin_callbacks): New inline function.
54 * plugin.c (flag_plugin_added): New global flag.
55 (add_new_plugin): Initialize above flag.
56 (invoke_plugin_callbacks): Rename to ...
57 (invoke_plugin_callbacks_full): ... this.
59 2010-04-28 Jan Hubicka <jh@suse.cz>
61 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
62 (lto_varpool_replace_node): New.
63 (lto_symtab_resolve_symbols): Resolve varpool nodes.
64 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
65 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
66 * cgraph.h (varpool_node_ptr): New type.
67 (varpool_node_ptr): New vector.
68 (varpool_node_set_def): New structure.
69 (varpool_node_set): New type.
70 (varpool_node_set): New vector.
71 (varpool_node_set_element_def): New structure.
72 (varpool_node_set_element, const_varpool_node_set_element): New types.
73 (varpool_node_set_iterator): New type.
74 (varpool_node): Add prev pointers, add used_from_other_partition,
76 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
77 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
78 varpool_get_node, varpool_remove_node): Declare.
79 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
80 varpool_node_set_size): New inlines.
81 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
82 * tree-pass.h (varpool_node_set_def): Forward declare.
83 (ipa_opt_pass_d): Summary writting takes vnode sets too.
84 (ipa_write_optimization_summaries): Update prototype.
85 * ipa-cp.c (ipcp_write_summary): Update.
86 * ipa-reference.c (ipa_reference_write_summary): Update.
87 * lto-cgraph.c (lto_output_varpool_node): New static function.
88 (output_varpool): New function.
89 (input_varpool_node): New static function.
90 (input_varpool_1): New function.
91 (input_cgraph): Input varpool.
92 * ipa-pure-const.c (pure_const_write_summary): Update.
93 * lto-streamer-out.c (lto_output): Update, output varpool too.
94 (write_global_stream): Kill WPA hack.
95 (produce_asm_for_decls): Update.
96 (output_alias_pair_p): Handle variables.
97 (output_unreferenced_globals): Output only needed partition of varpool.
98 * ipa-inline.c (inline_write_summary): Update.
99 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
100 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
101 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
102 varpool_node_set_new, varpool_node_set_add,
103 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
104 debug_varpool_node_set): New functions.
105 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
106 (execute_one_pass): Process new decls too.
107 (ipa_write_summaries_2): Pass around vsets.
108 (ipa_write_summaries_1): Likewise.
109 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
111 (ipa_write_optimization_summaries_1): Pass around vsets.
112 (ipa_write_optimization_summaries): Likewise.
113 * varpool.c (varpool_get_node): New.
114 (varpool_node): Update doubly linked lists.
115 (varpool_remove_node): New.
116 (dump_varpool_node): More dumping.
117 (varpool_enqueue_needed_node): Update doubly linked lists.
118 (decide_is_variable_needed): Kill ltrans hack.
119 (varpool_finalize_decl): Kill lto hack.
120 (varpool_assemble_decl): Skip decls in other partitions.
121 (varpool_assemble_pending_decls): Update doubly linkes lists.
122 (varpool_empty_needed_queue): Likewise.
123 (varpool_extra_name_alias): Likewise.
124 * lto-streamer.c (lto_get_section_name): Add vars section.
125 * lto-streamer.h (lto_section_type): Update.
126 (output_varpool, input_varpool): Declare.
128 2010-04-28 Mike Stump <mikestump@comcast.net>
130 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
132 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
134 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
135 record or union type with RECORD_OR_UNION_TYPE_P predicate.
136 (lto_input_ts_type_tree_pointers): Likewise.
137 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
138 (lto_output_ts_type_tree_pointers): Likewise.
140 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
142 Uniquization of constants at the Tree level
143 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
144 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
146 (tree_output_constant_def): Declare.
147 * gimplify.c (gimplify_init_constructor): When using block copy, first
148 uniquize the constant constructor on the RHS.
149 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
150 DECL_IN_CONSTANT_POOL flag.
151 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
152 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
154 (assemble_variable): Deal with symbols belonging to the tree constant
156 (get_constant_section): Add ALIGN parameter and simplify.
157 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
158 (assemble_constant_contents): Use the expression of the VAR_DECL.
159 (output_constant_def_contents): Use the alignment of the VAR_DECL.
160 (tree_output_constant_def): New global function.
161 (mark_constant): Use the expression of the VAR_DECL.
162 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
164 (output_object_block): Likewise and assemble the expression.
166 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
168 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
169 hash_tree, eq_tree): New tree hash table.
170 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
171 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
172 lto_orig_address_remove): Reimplement.
174 2010-04-28 Xinliang David Li <davidxl@google.com>
177 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
178 (compute_uninit_opnds_pos): New function.
179 (is_non_loop_exit_postdominating): New function.
180 (compute_control_dep_chain): New function.
181 (find_pdom): New function.
182 (convert_control_dep_chain_into_preds): New function.
183 (find_predicates): New function.
184 (find_control_equiv_block): New function.
185 (collect_phi_def_edges): New function.
186 (find_def_preds): New function.
187 (find_dom): New function.
188 (dump_predicates): New function.
189 (get_cmp_code): New function.
190 (is_value_included_in): New function.
191 (find_matching_predicate_in_rest_chains): New function.
192 (use_pred_not_overlap_with_undef_path_pred): New function.
193 (is_use_properly_guarded): New function.
194 (normalize_cond_1): New function.
195 (is_and_or_or): New function.
196 (normalize_cond): New function.
197 (is_gcond_subset_of): New function.
198 (is_subset_of_any): New function.
199 (is_or_set_subset_of): New function.
200 (is_and_set_subset_of): New function.
201 (is_norm_cond_subset_of): New function.
202 (is_pred_expr_subset_of): New function.
203 (is_pred_chain_subset_of): New function.
204 (is_included_in): New function.
205 (is_superset_of): New function.
206 (find_uninit_use): New function.
207 (warn_uninitialized_phi): New function.
208 (compute_possibly_undefined_names): New function.
209 (ssa_undefined_value_p): New function.
210 (execute_late_warn_uninitialized): New function.
211 * tree-ssa.c (ssa_undefined_value_p): Removed.
212 (warn_uninit): Changed to extern.
213 (warn_uninitialized_phi): Removed.
214 (warn_uninitialized_vars): Changed to extern.
215 (execute_late_warn_uninitialized): Removed
216 * tree-flow.h: Add new prototypes.
217 * timevar.def: Add new time variable.
218 * Makefile.in: Add new build file.
220 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
222 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
225 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
228 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
230 2010-04-28 Martin Jambor <mjambor@suse.cz>
232 * cgraph.h (struct cgraph_node): New field indirect_calls.
233 (struct cgraph_indirect_call_info): New type.
234 (struct cgraph_edge): Removed field indirect_call. New fields
235 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
236 (cgraph_create_indirect_edge): Declare.
237 (cgraph_make_edge_direct): Likewise.
238 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
239 * ipa-prop.h (struct ipa_param_call_note): Removed.
240 (struct ipa_node_params): Removed field param_calls.
241 (ipa_create_all_structures_for_iinln): Declare.
242 * cgraph.c: Described indirect edges and uids in initial comment.
243 (cgraph_add_edge_to_call_site_hash): New function.
244 (cgraph_edge): Search also among the indirect edges, use
245 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
246 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
247 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
249 (initialize_inline_failed): Assign a reason to indirect edges.
250 (cgraph_create_edge_1): New function.
251 (cgraph_create_edge): Moved some functionality to
252 cgraph_create_edge_1.
253 (cgraph_create_indirect_edge): New function.
254 (cgraph_edge_remove_callee): Add an assert checking for
256 (cgraph_edge_remove_caller): Special-case indirect edges.
257 (cgraph_remove_edge): Likewise.
258 (cgraph_set_edge_callee): New function.
259 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
260 (cgraph_make_edge_direct): New function.
261 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
262 the declaration of the call statement matches.
263 (cgraph_node_remove_callees): Special-case indirect edges.
264 (cgraph_clone_edge): Likewise.
265 (cgraph_clone_node): Clone also the indirect edges.
266 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
267 indirect_call, dump count of indirect_calls edges.
268 * ipa-prop.c (iinlining_processed_edges): New variable.
269 (ipa_note_param_call): Create indirect edges instead of
270 creating notes. New parameter node.
271 (ipa_analyze_call_uses): New parameter node, pass it on to
273 (ipa_analyze_stmt_uses): Likewise.
274 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
275 (print_edge_addition_message): Work on edges rather than on notes.
276 (update_call_notes_after_inlining): Likewise, renamed to
277 update_indirect_edges_after_inlining.
278 (ipa_create_all_structures_for_iinln): New function.
279 (ipa_free_node_params_substructures): Do not free notes.
280 (ipa_edge_duplication_hook): Propagate bits within
281 iinlining_processed_edges bitmap.
282 (ipa_node_duplication_hook): Do not duplicate notes.
283 (free_all_ipa_structures_after_ipa_cp): Renamed to
284 ipa_free_all_structures_after_ipa_cp.
285 (free_all_ipa_structures_after_iinln): Renamed to
286 ipa_free_all_structures_after_iinln.g
287 (ipa_write_param_call_note): Removed.
288 (ipa_read_param_call_note): Removed.
289 (ipa_write_indirect_edge_info): New function.
290 (ipa_read_indirect_edge_info): Likewise.
291 (ipa_write_node_info): Do not stream notes, do stream information
293 (ipa_read_node_info): Likewise.
294 (lto_ipa_fixup_call_notes): Removed.
295 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
296 * ipa-inline.c (pass_ipa_inline): Likewise.
297 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
298 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
299 * tree-inline.c (copy_bb): Removed an unnecessary double check for
301 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
303 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
304 (output_cgraph): Stream also indirect edges.
305 (lto_output_edge): Added capability to stream indirect edges.
306 (input_edge): Likewise.
307 (input_cgraph_1): Likewise.
308 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
311 2010-04-28 Richard Guenther <rguenther@suse.de>
313 PR tree-optimization/43879
314 PR tree-optimization/43909
315 * tree-ssa-structalias.c (struct variable_info): Add
316 only_restrict_pointers flag.
317 (new_var_info): Initialize it. Increment stats.total_vars here.
318 (create_function_info_for): Do not increment stats.total_vars
320 (get_function_part_constraint): Fix build with C++.
321 (insert_into_field_list): Remove.
322 (push_fields_onto_fieldstack): Properly merge fields.
323 (create_variable_info_for): Split and simplify.
324 (create_variable_info_for_1): New piece.
325 (intra_create_variable_infos): Properly make restrict constraints
328 2010-04-28 Richard Guenther <rguenther@suse.de>
331 * tree-inline.c (copy_bind_expr): Also copy bind expr vars
334 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
335 Jan Hubicka <hubicka@ucw.cz>
337 * doc/invoke.texi (-Wsuggest-attribute=const,
338 -Wsuggest-attribute=pure): Document.
339 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
340 (function_always_visible_to_compiler_p,
341 suggest_attribute, warn_function_pure, warn_function_const):
343 (check_call): Improve debug info.
344 (analyze_function): Do not check availability.
345 (add_new_function): Check availability.
346 (propagate): Output warnings.
347 (skip_function_for_local_pure_const): New function.
348 (local_pure_const): Use it; output warnings.
349 * common.opt (Wsuggest-attribute=const,
350 Wsuggest-attribute=pure): New.
352 2010-04-27 Jakub Jelinek <jakub@redhat.com>
354 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
355 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
356 or DW_CFA_def_cfa_offset{,_sf}.
358 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
360 * tree.h: Fix truncated long macros.
362 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
364 * collect2.c (TARGET_64BIT): Redefine to target's default.
366 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
367 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
368 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
369 for underscoring __USER_LABEL_PREFIX__.
370 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
371 (SUB_LINK_ENTRY32): New.
372 (SUB_LINK_ENTRY64): New.
373 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
374 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
375 (SUB_LINK_ENTRY64): New.
376 (SUB_LINK_ENTRY): New.
377 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
378 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
379 x64 target is choosen.
380 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
381 * configure: Regenerated.
382 * configure.ac (leading-mingw64-underscores): Option added.
384 2010-04-27 Jan Hubicka <jh@suse.cz>
386 * doc/invoke.texi (-fipa-profile): Document.
387 * opts.c (decode_options): Enable ipa-profile at -O1.
388 * timevar.def (TV_IPA_PROFILE): Define.
389 * common.opt (fipa-profile): Add.
390 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
392 (cgraph_propagate_frequency): Handle only local ones.
393 * tree-pass.h (pass_ipa_profile): Declare.
394 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
395 (pass_ipa_profile): Use TV_IPA_PROFILE.
396 * ipa.c (ipa_profile): New function.
397 (gate_ipa_profile): Likewise.
398 (pass_ipa_profile): New global variable.
399 * passes.c (pass_ipa_profile): New.
401 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
403 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
405 2010-04-27 Martin Jambor <mjambor@suse.cz>
408 * ipa.c (dissolve_same_comdat_group_list): New function.
409 (function_and_variable_visibility): Call
410 dissolve_same_comdat_group_list when comdat group contains external or
412 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
413 lists are circular and that they contain only DECL_ONE_ONLY nodes.
415 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
417 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
418 (const_hash_1) <VECTOR_CST>: New case.
419 (compare_constant) <VECTOR_CST>: Likewise.
420 <ADDR_EXPR>: Deal with LABEL_REFs.
421 (copy_constant) <VECTOR_CST>: New case.
423 2010-04-27 Jan Hubicka <jh@suse.cz>
425 * cgraph.c (cgraph_propagate_frequency): New function.
426 * cgraph.h (cgraph_propagate_frequency): Declare.
427 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
428 cgraph_propagate_frequency.
430 2010-04-27 Jakub Jelinek <jakub@redhat.com>
432 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
434 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
437 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
438 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
439 here to determine which regs to push and how much stack to reserve.
441 2010-04-27 Jie Zhang <jie@codesourcery.com>
443 * doc/gimple.texi (gimple_statement_with_ops): Remove
444 addresses_taken field.
445 (gimple_statement_with_memory_ops): Likewise.
447 2010-04-27 Jan Hubicka <jh@suse.cz>
449 * tree-inline.c (eni_inlining_weights): Remove.
450 (estimate_num_insns): Special case more builtins.
452 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
455 * c-typeck.c (build_binary_op): Move forward check for comparison
456 pointer with null pointer constant and adjust the diagnostic message.
458 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
461 * configure.ac (gcc_cv_as_section_has_align): Set if installed
462 binutils supports extended .section directive needed by LTO, or
463 warn if older binutils found.
464 (LTO_BINARY_READER): New AC_SUBST'd variable.
465 (LTO_USE_LIBELF): Likewise.
466 * gcc/config.gcc (lto_binary_reader): New target-specific configure
468 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
469 (LTO_USE_LIBELF): Likewise.
470 * configure: Regenerate.
472 * collect2.c (is_elf): Rename from this ...
473 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
474 object files in addition to ELF-formatted ones.
475 (scan_prog_file): Caller updated. Also allow for LTO info marker
476 symbol to be prefixed or not by an extra underscore.
478 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
479 * config/i386/winnt.c: Also #include lto-streamer.h
480 (i386_pe_asm_named_section): Specify 1-byte section alignment for
482 (i386_pe_asm_output_aligned_decl_common): Add comment.
483 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
485 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
488 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
489 Add missing earlyclobber for second alternative.
491 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
493 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
494 bits for artificial defs at the top of the block.
495 * fwprop.c (single_def_use_enter_block): Don't call it.
497 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
500 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
501 instead of "$gcc_cv_objdump -T".
502 Use "-undefined dynamic_lookup" on darwin.
503 * gcc/configure: Regenerate.
505 2010-04-26 Jakub Jelinek <jakub@redhat.com>
508 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
510 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
512 * c-parser.c (struct c_token): Move location field up.
513 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
514 (struct c_declspecs): Convert typespec_word, storage_class, and
515 default_int_p into bitfields.
516 (struct c_declarator): Move loc field up.
518 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
520 * cfgloop.h (struct loop): Move can_be_parallel field up.
521 * ipa-prop.h (struct ip_node_params): Move bitfields up.
522 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
524 (struct iv_cand): Convert pos field into a bitfield.
525 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
527 (struct _stmt_vec_info): Shuffle fields for better packing.
529 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
531 * varasm.c (IN_NAMED_SECTION): Remove guard.
532 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
533 (IN_NAMED_SECTION_P): ...this.
534 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
535 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
537 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
539 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
540 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
541 of shadowing it. Fix comments.
543 2010-04-26 Jan Hubicka <jh@suse.cz>
545 * cgraph.c (cgraph_create_node): Set node frequency to normal.
546 (cgraph_clone_node): Copy function frequency.
547 * cgraph.h (node_frequency): New enum
548 (struct cgraph_node): Add.
549 * final.c (rest_of_clean_state): Update.
550 * lto-cgraph.c (lto_output_node): Output node frequency.
551 (input_overwrite_node): Input node frequency.
552 * tre-ssa-loop-ivopts (computation_cost): Update.
553 * lto-streamer-out.c (output_function): Do not output function
555 * predict.c (maybe_hot_frequency_p): Update and handle functions
557 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
559 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
560 (compute_function_frequency): Set noreturn functions to be executed
562 (choose_function_section): Update.
563 * lto-streamer-in.c (input_function): Do not input function frequency.
564 * function.c (allocate_struct_function): Do not initialize function
566 * function.h (function_frequency): Remove.
567 (struct function): Remove function frequency.
568 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
569 (try_update): Update.
570 * tree-inline.c (initialize_cfun): Do not update function frequency.
571 * passes.c (pass_init_dump_file): Update.
572 * i386.c (ix86_compute_frame_layout): Update.
573 (ix86_pad_returns): Update.
575 2010-04-26 Jie Zhang <jie@codesourcery.com>
577 PR tree-optimization/43833
578 * tree-vrp.c (range_int_cst_p): New.
579 (range_int_cst_singleton_p): New.
580 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
581 when both operands are constants. Use range_int_cst_p in
584 2010-04-26 Jan Hubicka <jh@suse.cz>
586 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
588 2010-04-26 Richard Guenther <rguenther@suse.de>
591 * gimple.c (gimple_decl_printable_name): Deal gracefully
592 with a NULL DECL_NAME.
594 2010-04-26 Richard Guenther <rguenther@suse.de>
597 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
598 if emitting debug information and it is either a function
601 2010-04-26 Ira Rosen <irar@il.ibm.com>
603 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
604 determine if the statement is vectorizable, and a macro to access it.
605 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
606 Skip statements that can't be vectorized. If the analysis fails,
607 mark the statement as unvectorizable if vectorizing basic block.
608 (vect_compute_data_refs_alignment): Likewise.
609 (vect_verify_datarefs_alignment): Skip statements marked as
610 unvectorizable. Add print.
611 (vect_analyze_group_access): Skip statements that can't be
612 vectorized. If the analysis fails, mark the statement as
613 unvectorizable if vectorizing basic block.
614 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
615 * tree-vect-stmts.c (vectorizable_store): Fix the number of
616 generated stmts for SLP.
617 (new_stmt_vec_info): Initialize the new field.
618 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
619 statements marked as unvectorizable.
621 2010-04-25 Joseph Myers <joseph@codesourcery.com>
623 * c-common.c (flag_isoc1x): New.
624 (flag_isoc99): Update comment.
625 * c-common.h (flag_isoc1x): New.
626 (flag_isoc99): Update comment.
627 * c-cppbuiltin.c (builtin_define_float_constants): Also define
628 __<type>_DECIMAL_DIG__.
629 * c-opts.c (set_std_c1x): New.
630 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
631 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
632 * c.opt (-std=c1x, -std=gnu1x): New options.
633 * doc/cpp.texi: Mention -std=c1x.
634 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
635 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
636 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
637 * doc/standards.texi: Mention C1X.
638 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
639 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
640 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
643 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
645 * config/i386/gmon-sol2.c (_mcleanup): Change format string
646 placeholder from 0x%x to %#x.
647 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
648 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
649 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
650 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
651 * config/i386/i386.c (ix86_target_string): Ditto.
652 (output_pic_addr_const): Ditto.
653 (print_operand): Ditto.
655 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
657 * combine.c (find_split_point): Add third argument. Use it
658 to find nested multiply-accumulate instructions. Adjust calls.
659 (try_combine): Adjust call to find_split_point.
661 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
663 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
665 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
667 PR tree-optimization/41442
668 * fold-const.c (merge_truthop_with_opposite_arm): New function.
669 (fold_binary_loc): Call it.
671 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
673 * toplev.c (general_init): Set default for fdiagnostics-show-option.
674 * opts.c (common_handle_option): Allow disabling it.
675 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
677 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
679 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
680 between modes if both types are integral.
682 2010-04-23 Richard Guenther <rguenther@suse.de>
684 PR tree-optimization/43572
685 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
687 2010-04-23 Richard Guenther <rguenther@suse.de>
690 * tree-inline.c (tree_can_inline_p): Also check compatibility
693 2010-04-23 Martin Jambor <mjambor@suse.cz>
695 PR tree-optimization/43846
696 * tree-sra.c (struct access): New flag grp_assignment_read.
697 (build_accesses_from_assign): Set grp_assignment_read.
698 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
699 (enum mark_read_status): New type.
700 (analyze_access_subtree): Propagate grp_assignment_read, create
701 accesses also if both direct_read and root->grp_assignment_read.
703 2010-04-23 Martin Jambor <mjambor@suse.cz>
706 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
707 function does not have type attributes.
709 2010-04-23 Richard Guenther <rguenther@suse.de>
712 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
715 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
717 * sese.h (create_if_region_on_edge): Remove.
719 * sese.c (create_if_region_on_edge): Make static.
721 * tree-inline.c: Do not include ggc.h.
723 * expr.c: Do not include ggc.h.
725 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
728 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
731 * config/sh/sh.c (find_barrier): Don't emit a constant pool
732 in the middle of insns for casesi_worker_2.
734 2010-04-22 David Edelsohn <edelsohn@gnu.org>
736 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
738 2010-04-22 Ira Rosen <irar@il.ibm.com>
740 PR tree-optimization/43842
741 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
742 loop unrolling in update of exit phis. Fix comment.
743 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
744 least two reduction statements in the loop before starting SLP
747 2010-04-22 Nick Clifton <nickc@redhat.com>
749 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
751 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
753 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
756 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
758 * tree-parloops.c (loop_parallel_p): New argument
759 parloop_obstack. Pass it down.
760 (parallelize_loops): New variable parloop_obstack. Initialize it,
761 pass it down, free it.
763 * tree-loop-linear.c (linear_transform_loops): Pass down
766 * tree-data-ref.h (lambda_compute_access_matrices): New argument
767 of type struct obstack *.
769 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
770 scratch_obstack. Initialize it, pass down, free it.
772 * lambda.h (lambda_loop_new): Remove.
773 (lambda_matrix_new, lambda_matrix_inverse)
774 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
775 argument of type struct obstack *.
777 * lambda-trans.c (lambda_trans_matrix_new): New argument
778 lambda_obstack. Pass it down, use obstack allocation for ret.
779 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
782 * lambda-mat.c (lambda_matrix_get_column)
783 (lambda_matrix_project_to_null): Remove.
784 (lambda_matrix_new): New argument lambda_obstack. Use obstack
786 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
789 * lambda-code.c (lambda_loop_new): New function.
790 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
791 (lambda_compute_auxillary_space, lambda_compute_target_space)
792 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
793 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
794 (build_access_matrix): New argument lambda_obstack. Use obstack
796 (lambda_compute_step_signs, lambda_compute_access_matrices): New
797 argument lambda_obstack. Pass it down.
799 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
801 * optabs.h (expand_widening_mult): Declare.
803 2010-04-22 Richard Guenther <rguenther@suse.de>
805 PR tree-optimization/43845
806 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
807 lookup the CALL_EXPR function and arguments.
809 2010-04-22 Nick Clifton <nickc@redhat.com>
811 * config/stormy16/stormy16.c
812 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
813 * config/stormy16/stormy16.h: Tidy up formatting.
814 (DONT_USE_BUILTIN_SETJMP): Remove definition.
815 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
816 (ineqbranchsi): Delete pattern.
817 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
818 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
819 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
820 stormy16-lib2-ucmpsi2.c.
822 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
824 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
825 df_simulate_find_noclobber_defs as appropriate. Keep track of an
826 extra set merge_set_noclobber, and use it to relax the final test
828 * df.h (df_simulate_find_noclobber_defs): Declare.
829 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
831 (df_simulate_find_noclobber_defs): New function.
833 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
835 * config/i386/i386.md: Use {} around multi-line preparation statements.
837 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
839 * c-tree.h (push_init_level, pop_init_level, set_init_index)
840 (process_init_element): New argument of type struct obstack *.
842 * c-typeck.c (push_init_level, pop_init_level, set_designator)
843 (set_init_index, set_init_label, set_nonincremental_init)
844 (set_nonincremental_init_from_string, find_init_member)
845 (output_init_element, output_pending_init_elements)
846 (process_init_element): New argument braced_init_obstack. Pass it
848 (push_range_stack, add_pending_init): New argument
849 braced_init_obstack. Use obstack allocation.
851 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
852 braced_init_obstack. Pass it down.
853 (c_parser_braced_init): New variables ret, braced_init_obstack.
854 Initialize obstack, pass it down and finally free it.
856 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
859 * tree-pass.h (pass_optimize_widening_mul): Declare.
860 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
861 gate_optimize_widening_mul): New static functions.
862 (pass_optimize_widening_mul): New.
863 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
864 <case MULT_EXPR>: Remove support for widening multiplies.
865 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
866 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
867 simplify_gen_unary rather than directly building extensions.
868 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
870 * expmed.c (expand_widening_mult): New function.
871 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
873 2010-04-21 Jan Hubicka <jh@suse.cz>
875 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
876 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
877 * lto-wpa-fixup.c: Remove.
878 * Makefile.in (lto-wpa-fixup.o): Remove.
879 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
880 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
881 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
883 2010-04-21 Jan Hubicka <jh@suse.cz>
885 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
886 add write_optimization_summary, read_optimization_summary.
887 (ipa_write_summaries_of_cgraph_node_set): Remove.
888 (ipa_write_optimization_summaries): Declare.
889 (ipa_read_optimization_summaries): Declare.
890 * ipa-cp.c (pass_ipa_cp): Update.
891 * ipa-reference.c (pass_ipa_reference): Update.
892 * ipa-pure-const.c (pass_ipa_pure_const): Update.
893 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
895 * ipa-inline.c (pass_ipa_inline): Update.
896 * ipa.c (pass_ipa_whole_program): Update.
897 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
898 * passes.c (ipa_write_summaries_1): Do not test wpa.
899 (ipa_write_optimization_summaries_1): New.
900 (ipa_write_optimization_summaries): New.
901 (ipa_read_summaries): Do not test ltrans.
902 (ipa_read_optimization_summaries_1): New.
903 (ipa_read_optimization_summaries): New.
905 2010-04-21 Jan Hubicka <jh@suse.cz>
907 * lto-cgraph.c (lto_output_node): Do not output comdat groups
909 (output_cgraph): Do not arrange comdat groups for boundary nodes.
911 2010-04-21 Jakub Jelinek <jakub@redhat.com>
914 * dwarf2out.c (add_name_and_src_coords_attributes): Add
915 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
917 2010-04-21 Jan Hubicka <jh@suse.cz>
919 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
921 2010-04-21 Jan Hubicka <jh@suse.cz>
923 * varpool.c (decide_is_variable_needed): Variable is always needed
926 2010-04-21 Jan Hubicka <jh@suse.cz>
928 * opts.c (decode_options): Enable pure-const pass for whopr.
930 2010-04-21 Jan Hubicka <jh@suse.cz>
932 * cgraph.c (dump_cgraph_node): Dump also assembler name.
933 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
935 (cgraph_decide_inlining): Do not expect callee to be removed in all
938 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
940 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
942 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
944 * config/i386/i386.md (x86_shrd): Add athlon_decode and
945 amdfam10_decode attributes.
947 2010-04-21 Jakub Jelinek <jakub@redhat.com>
950 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
951 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
952 (lower_copyprivate_clauses): Use private var in outer
953 context instead of original var. Make sure the types
954 are correct for VLAs.
956 2010-04-21 Richard Guenther <rguenther@suse.de>
958 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
959 to non-pointer objects.
961 2010-04-21 Jakub Jelinek <jakub@redhat.com>
963 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
964 last chain entry if it starts with the still current label.
965 (add_location_or_const_value_attribute): Check that
966 loc_list->first->next is NULL instead of comparing ->first with ->last.
967 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
968 to add_var_loc_to_decl.
970 * dwarf2out.c (output_call_frame_info): For dw_cie_version
971 >= 4 add also address size and segment size fields into CIE header.
973 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
974 long as address size is the same as sizeof (void *) and
976 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
977 address size or segment size is unexpected, return DW_EH_PE_omit.
978 (classify_object_over_fdes): If get_cie_encoding returned
979 DW_EH_PE_omit, return -1.
980 (init_object): If classify_object_over_fdes returned -1,
981 pretend there were no FDEs at all.
983 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
985 * config/i386/i386.md (bswap<mode>2): Macroize expander from
986 bswap{si,di}2 using SWI48 mode iterator.
987 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
988 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
989 set modrm attribute of bswap insn to 0 and remove length attribute.
990 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
991 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
992 set mode attribute to <MODE> and remove length attribute.
994 2010-04-20 James E. Wilson <wilson@codesourcery.com>
996 PR rtl-optimization/43520
997 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
998 zero available registers.
1000 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1002 * builtins.c (fold_builtin_cproj): Fold more cases.
1004 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1006 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1007 (fold_builtin_1): Fold builtin cproj.
1008 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1009 Use ATTR_CONST_NOTHROW_LIST.
1011 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1013 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1014 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1015 ffsi2_no_cmove for !TARGET_CMOVE.
1016 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1017 (ffssi2): Remove expander.
1018 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1020 (ctz<mode>2): Ditto from ctz{si,di}2.
1021 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1023 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1026 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1028 * dwarf2out.c (AT_linkage_name): Define.
1029 (clone_as_declaration): Handle DW_AT_linkage_name.
1030 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1031 of DW_AT_MIPS_linkage_name.
1032 (move_linkage_attr): Likewise.
1033 (dwarf2out_finish): Likewise.
1035 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1038 * fold-const.c (fold_comparison): New folding rule.
1040 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1042 * double-int.h (double_int_setbit): Declare.
1043 * double-int.c (double_int_setbit): New function.
1044 * rtl.h (immed_double_int_const): Declare.
1045 * emit-rtl.c (immed_double_int_const): New function.
1046 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1047 and immed_double_int_const functions.
1048 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1049 expand_copysign_bit): (Ditto.).
1050 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1051 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1052 * dojump.c (prefer_and_bit_test): (Ditto.).
1053 * expr.c (convert_modes, reduce_to_bit_field_precision,
1054 const_vector_from_tree): (Ditto.).
1055 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1057 2010-04-20 Jan Hubicka <jh@suse.cz>
1059 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1060 (dump_cgraph_node): Dump new flags.
1061 * cgraph.h (struct cgraph_node): Add flags
1062 reachable_from_other_partition and in_other_partition.
1063 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1064 other partition can not be removed.
1065 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1066 the other partition must be output; silence sanity checking on
1067 leaking functions bodies from other paritition.
1068 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1069 (lto_output_node): Output new flags; do not sanity check that inline
1070 clones are output; drop lto_forced_extern_inline_p code; do not mock
1071 visibility flags at partition boundaries.
1072 (add_node_to): New function.
1073 (output_cgraph): Use it to sort functions so masters appear before
1075 (input_overwrite_node): Input new flags.
1076 * passes.c (ipa_write_summaries): Do not call
1077 lto_new_extern_inline_states.
1078 * lto-section-out.c (forced_extern_inline,
1079 lto_new_extern_inline_states lto_delete_extern_inline_states,
1080 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1081 * lto-streamer.h (lto_new_extern_inline_states,
1082 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1083 lto_forced_extern_inline_p): Kill.
1085 2010-04-20 Richard Guenther <rguenther@suse.de>
1087 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1088 from vars that can have pointers.
1089 (process_constraint): Dump useless constraints.
1091 2010-04-20 Richard Guenther <rguenther@suse.de>
1093 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1094 (dump_sa_points_to_info): Remove asserts.
1095 (init_base_vars): nothing_id isn't an escape point nor does it
1098 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1100 * tree.h (TYPE_REF_IS_RVALUE): Define.
1101 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1102 should_move_die_to_comdat, prune_unused_types_walk): Handle
1103 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1104 (modified_type_die, gen_reference_type_die): Emit
1105 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1106 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1108 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1111 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1112 calls for -fpic -m31 if they have been sibcall optimized.
1114 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1116 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1117 ar.lc fixed and call-used.
1119 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1121 2010-04-19 Jan Hubicka <jh@suse.cz>
1123 * opts.c (decode_options): Disable whpr incompatible passes.
1124 * lto/lto.c (lto_1_to_1_map): Skip clones.
1125 (read_cgraph_and_symbols): Do not mark everything as needed.
1126 (do_whole_program_analysis): Do map only after optimizing;
1127 set proper cgraph_state; use passmanager.
1129 2010-04-19 DJ Delorie <dj@redhat.com>
1131 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1132 POINTER_PLUS_EXPR and fix them.
1134 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1136 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1137 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1138 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1139 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1140 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1141 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1142 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1143 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1144 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1145 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1146 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1148 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1150 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1151 (check_cond_move_block): Likewise.
1152 (cond_move_process_if_block): Likewise.
1153 (noce_find_if_block): Improve formatting.
1154 (find_if_header): Pass 0 to memset and tweak conditions.
1155 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1157 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1159 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1163 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1164 with non-local decl doesn't need chain.
1166 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1168 * ira-color.c (allocno_reload_assign): Avoid accumulating
1169 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1171 2010-04-19 Martin Jambor <mjambor@suse.cz>
1173 * gimple.h (create_tmp_reg): Declare.
1174 * gimplify.c (create_tmp_reg): New function.
1175 (gimplify_return_expr): Use create_tmp_reg.
1176 (gimplify_omp_atomic): Likewise.
1177 (gimple_regimplify_operands): Likewise.
1178 * tree-dfa.c (make_rename_temp): Likewise.
1179 * tree-predcom.c (predcom_tmp_var): Likewise.
1180 (reassociate_to_the_same_stmt): Likewise.
1181 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1182 (get_replaced_param_substitute): Likewise.
1183 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1184 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1185 * tree-ssa-pre.c (get_representative_for): Likewise.
1186 (create_expression_by_pieces): Likewise.
1187 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1188 (create_tailcall_accumulator): Likewise.
1190 2010-04-19 Martin Jambor <mjambor@suse.cz>
1192 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1194 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1196 2010-04-19 Richard Guenther <rguenther@suse.de>
1198 PR tree-optimization/43796
1199 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1200 from SCEV in the lattice.
1201 (vrp_visit_phi_node): Dump change.
1203 2010-04-19 Richard Guenther <rguenther@suse.de>
1205 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1206 * configure: Re-generated.
1208 2010-04-19 Richard Guenther <rguenther@suse.de>
1210 PR tree-optimization/43783
1211 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1212 constant ARRAY_REF operands two and three if possible.
1214 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1217 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1219 2010-04-19 Jie Zhang <jie@codesourcery.com>
1222 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1224 2010-04-19 Ira Rosen <irar@il.ibm.com>
1226 PR tree-optimization/37027
1227 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1228 and macro to access it.
1229 (vectorizable_reduction): Add argument.
1230 (vect_get_slp_defs): Likewise.
1231 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1232 statements for possible use in SLP.
1233 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1234 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1235 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1237 (vectorizable_reduction): Likewise.
1238 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1240 (vectorizable_type_demotion, vectorizable_type_promotion,
1241 vectorizable_store): Likewise.
1242 (vect_analyze_stmt): Update call to vectorizable_reduction.
1243 (vect_transform_stmt): Likewise.
1244 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1245 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1246 from different interleaving chains in same node.
1247 (vect_slp_rearrange_stmts): New function.
1248 (vect_supported_load_permutation_p): Allow load permutations for
1249 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1250 inside SLP nodes if necessary.
1251 (vect_analyze_slp_instance): Handle reductions.
1252 (vect_analyze_slp): Try to build SLP instances originating from groups
1254 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1255 (vect_get_constant_vectors): Create initial vectors for reductions
1256 according to reduction code. Add new argument.
1257 (vect_get_slp_defs): Add new argument, pass it to
1258 vect_get_constant_vectors.
1259 (vect_schedule_slp_instance): Remove SLP tree root statements.
1261 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1263 * tree.h (ENUM_IS_SCOPED): Define.
1264 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1265 for ENUM_IS_SCOPED enums.
1267 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1269 * fold-const.c (fold_comparison): Use ssizetype.
1270 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1271 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1272 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1273 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1275 * tree.h (initialize_sizetypes): Remove parameter.
1276 (build_common_tree_nodes): Remove second parameter.
1277 * stor-layout.c (initialize_sizetypes): Remove parameter.
1278 Always create an unsigned type.
1279 (set_sizetype): Assert that the passed type is unsigned and simplify.
1280 * tree.c (build_common_tree_nodes): Remove second parameter.
1281 Adjust call to initialize_sizetypes.
1282 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1283 build_common_tree_nodes.
1285 2010-04-18 Matthias Klose <doko@ubuntu.com>
1287 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1289 2010-04-18 Ira Rosen <irar@il.ibm.com>
1291 PR tree-optimization/43771
1292 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1293 load permutation doesn't have gaps.
1295 2010-04-18 Jan Hubicka <jh@suse.cz>
1297 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1298 (sse_prologue_save_insn expander): Use new pattern.
1299 (sse_prologue_save_insn1): New pattern and splitter.
1300 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1302 * i386.c (setup_incoming_varargs_64): Do not compute jump
1304 (ix86_gimplify_va_arg): Update alignment needed.
1305 (ix86_local_alignment): Do not align all local arrays to 128bit.
1307 2010-04-17 Jan Hubicka <jh@suse.cz>
1309 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1311 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1313 * arm.md (negdi2): Remove redundant code to force values into a
1316 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1318 * arm/bpabi.S: Add EABI alignment attributes to objects.
1319 * arm/bpabi-v6m.S: Likewise.
1320 * arm/crti.asm: Likewise.
1321 * arm/crtn.asm: Likewise.
1322 * arm/lib1funcs.asm: Likewise.
1323 * arm/libunwind.S: Likewise.
1325 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1327 * arm-protos.h (tune_params): New structure.
1328 * arm.c (current_tune): New variable.
1329 (arm_constant_limit): Delete.
1330 (struct processors): Add pointer to the tune parameters.
1331 (arm_slowmul_tune): New tuning option.
1332 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1333 (all_cores): Adjust to pick up the tuning model.
1334 (arm_constant_limit): New function.
1335 (arm_override_options): Select the appropriate tuning model. Delete
1336 initialization of arm_const_limit.
1337 (arm_split_constant): Use the new constant-limit model.
1338 (arm_rtx_costs): Pick up the current tuning model.
1339 * arm.md (is_strongarm, is_xscale): Delete.
1340 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1341 for Xscale variant architectures.
1342 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1344 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1346 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1348 (arm_rtx_costs_1): Remove unused variable extra_cost.
1349 (arm_unwind_emit_set): Use variable offset.
1350 (thumb1_output_casesi): Remove unused variable flags.
1352 2010-04-16 Jeff Law <law@redhat.com>
1354 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1355 needing assignment rather than doing a two-phase assignment. Remove
1356 unused variable 'm'.
1358 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1361 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1363 2010-04-16 Doug Kwan <dougkwan@google.com>
1365 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1366 (next_operand_entry_id): New static variable.
1367 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1368 (add_to_ops_vec): Assigned unique ID to operand entry.
1369 (struct oecount_s): New field ID.
1370 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1371 (undistribute_ops_list): Assign unique IDs to oecounts.
1372 (init_reassoc): reset next_operand_entry_id.
1374 2010-04-16 Doug Kwan <dougkwan@google.com>
1376 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1377 missing left parenthesis.
1379 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1381 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1382 *btdi_rex64 using SWI48 mode iterator.
1383 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1384 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1385 *jcc_btdi_mask_rex64.
1387 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1389 * double-int.h (tree_to_double_int): Convert to macro.
1390 * double-int.c (tree_to_double_int): Remove.
1392 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1395 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1396 with want_address 2 and in case a single element list might be
1397 possible, call it again with want_address 0.
1399 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1401 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1402 case 'W' print operands for HI mode.
1403 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1404 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1405 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1406 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1408 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1410 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1411 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1412 #xx:3 and #xx:4 mode.
1414 * config/h8300/h8300.md (inverted load with HImode dest): Add
1415 support for H8300SX.
1417 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1418 satisfy 'U' constraint.
1420 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1422 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1423 * configure: Regenerate.
1424 * config.in: Regenerate.
1425 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1428 2010-04-16 Richard Guenther <rguenther@suse.de>
1430 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1431 (struct tree_decl_common): ... here.
1432 (DECL_PT_UID): Adjust.
1433 (SET_DECL_PT_UID): Likewise.
1434 (DECL_PT_UID_SET_P): Likewise.
1436 2010-04-16 Richard Guenther <rguenther@suse.de>
1438 PR tree-optimization/43572
1439 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1440 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1441 * tree-flow.h (is_call_clobbered): Remove.
1442 * tree-flow-inline.h (is_call_clobbered): Likewise.
1443 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1444 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1445 (execute_return_slot_opt): Adjust.
1446 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1447 check for call clobbered vars here.
1448 (find_tail_calls): Move tailcall verification to the
1451 2010-04-16 Diego Novillo <dnovillo@google.com>
1453 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1455 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1458 * config/arm/arm.md (cbranchqi4): New pattern.
1459 * config/arm/predicates.md (const0_operand,
1460 cbranchqi4_comparison_operator): New predicates.
1462 2010-04-16 Richard Guenther <rguenther@suse.de>
1464 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1465 (dump_gimple_stmt): Likewise.
1467 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1469 * recog.h (struct recog_data): New field is_operator.
1470 (struct insn_operand_data): New field is_operator.
1471 * recog.c (extract_insn): Set recog_data.is_operator.
1472 * genoutput.c (output_operand_data): Emit code to set the
1474 * reload.c (find_reloads): Use it rather than testing for an
1475 empty constraint string.
1478 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1479 If the previous insn is a cbranchsi4_insn with the same arguments,
1480 omit the compare instruction.
1482 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1483 register, inputs must be low registers and we need a low register
1484 scratch. Handle alternative 2 like alternative 3.
1486 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1488 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1489 don't call get_addr on both. If one expression is a VALUE and
1490 the other a REG, check VALUE's locs if the REG isn't among them.
1492 2010-04-16 Christian Bruel <christian.bruel@st.com>
1494 * config/sh/sh.h (sh_frame_pointer_required): New function.
1495 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1496 (flag_omit_frame_pointer) Set.
1497 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1498 (rounded_frame_size): Adjust size with outgoing_args_size.
1499 (sh_set_return_address): Must return from stack pointer.
1500 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1501 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1502 (ACCUMULATE_OUTGOING_ARGS): Define.
1503 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1504 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1506 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1509 * config/sh/sh.c (sh_legitimize_reload_address): Use
1510 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1511 Remove a unneeded check for offset_base.
1513 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1515 * configure: Regenerated.
1517 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1519 * config/s390/s390.c (s390_call_save_register_used): Switch back
1520 to HARD_REGNO_NREGS.
1522 2010-04-15 Richard Guenther <rguenther@suse.de>
1524 * alias.c (alias_set_subset_of): Handle alias-set zero
1527 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1528 Julian Brown <julian@codesourcery.com>
1530 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1531 alternatives according to use of high and low regs.
1532 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1533 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1534 optimizing for size on Thumb-2.
1536 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1538 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1540 2010-04-15 Richard Guenther <rguenther@suse.de>
1542 * tree-ssa-structalias.c (struct variable_info): Add
1544 (new_var_info): Initialize it.
1545 (dump_constraints): Support printing last added constraints.
1546 (debug_constraints): Adjust.
1547 (dump_constraint_graph): Likewise.
1548 (make_heapvar_for): Check for NULL cfun.
1549 (get_function_part_constraint): New function.
1550 (get_fi_for_callee): Likewise.
1551 (find_func_aliases): Properly implement IPA PTA constraints.
1552 (process_ipa_clobber): New function.
1553 (find_func_clobbers): Likewise.
1554 (insert_into_field_list_sorted): Remove.
1555 (create_function_info_for): Properly allocate vars for IPA mode.
1556 Do not use insert_into_field_list_sorted.
1557 (create_variable_info_for): Properly generate constraints for
1558 global vars in IPA mode.
1559 (dump_solution_for_var): Always dump the solution.
1560 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1561 (find_what_var_points_to): Adjust.
1562 (pt_solution_set): Change.
1563 (pt_solution_ior_into): New function.
1564 (pt_solution_empty_p): Export.
1565 (pt_solution_includes_global): Adjust.
1566 (pt_solution_includes_1): Likewise.
1567 (pt_solutions_intersect_1): Likewise.
1568 (dump_sa_points_to_info): Check some invariants.
1569 (solve_constraints): Move constraint dumping ...
1570 (compute_points_to_sets): ... here.
1571 (ipa_pta_execute): ... and here.
1572 (compute_may_aliases): Do not re-compute points-to info
1573 locally if IPA info is available.
1574 (ipa_escaped_pt): New global var.
1575 (ipa_pta_execute): Properly implement IPA PTA.
1576 * tree-into-ssa.c (dump_decl_set): Support dumping
1577 decls not in referenced-vars.
1578 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1579 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1580 (dump_points_to_solution): Likewise.
1581 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1582 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1583 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1584 (copy_decl_to_var): Copy DECL_PT_UID.
1585 (copy_result_decl_to_var): Likewise.
1586 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1587 (copy_node_stat): Copy it.
1588 * tree.h (DECL_PT_UID): New macro.
1589 (SET_DECL_PT_UID): Likewise.
1590 (DECL_PT_UID_SET_P): Likewise.
1591 (struct tree_decl_minimal): Add pt_uid member.
1592 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1593 (pt_solution_empty_p): Declare.
1594 (pt_solution_set): Adjust.
1595 (ipa_escaped_pt): Declare.
1596 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1597 * gimple-pretty-print.c (pp_points_to_solution): New function.
1598 (dump_gimple_call): Dump call clobber/use information.
1599 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1600 * tree-pass.h (TDF_ALIAS): New dump option.
1601 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1602 * doc/invoke.texi (-fipa-pta): Update documentation.
1604 2010-04-15 Richard Guenther <rguenther@suse.de>
1606 * Makefile.in (OBJS-common): Add gimple-fold.o.
1607 (gimple-fold.o): New rule.
1608 * tree.h (maybe_fold_offset_to_reference,
1609 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1611 * gimple.h: ... here.
1612 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1613 may_propagate_address_into_dereference): Move prototypes ...
1614 * gimple.h: ... here.
1615 * tree-ssa-ccp.c (get_symbol_constant_value,
1616 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1617 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1618 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1619 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1620 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1621 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1622 gimplify_and_update_call_from_tree): Move ...
1623 * gimple-fold.c: ... here. New file.
1624 (ccp_fold_builtin): Rename to ...
1625 (gimple_fold_builtin): ... this.
1626 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1628 2010-04-15 Richard Guenther <rguenther@suse.de>
1630 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1631 fit_double_type, force_fit_type_double, add_double_with_sign,
1632 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1633 lrotate_double, rrotate_double, div_and_round_double): Move ...
1634 * double-int.c: ... here.
1635 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1636 add_double, neg_double, mul_double_with_sign, mul_double,
1637 lshift_double, rshift_double, lrotate_double, rrotate_double,
1638 div_and_round_double): Move prototypes ...
1639 * double-int.h: ... here.
1641 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1644 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1645 matching constraints to ensure inputs match the output.
1647 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1650 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1651 in an input-only operand.
1653 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1655 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1656 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1657 (double_int_negative_p): Convert to static inline function.
1658 * double-int.c (double_int_lshift, double_int_lshift): New functions.
1659 (double_int_negative_p): Remove.
1660 * tree.h (lshift_double, rshift_double):
1661 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1662 * fold-const.c (fold_convert_const_int_from_real,
1663 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1664 (lshift_double): Change type of arith argument to bool.
1665 (rshift_double): Change type of arith argument to bool. Correct
1667 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1669 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1672 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1673 at the start and end of the then/else blocks, and omit them from the
1675 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1676 argument; all callers changed. Pass zero to old_insns_match_p instead.
1677 (flow_find_head_matching_sequence): New function.
1678 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1679 * basic-block.h (flow_find_cross_jump,
1680 flow_find_head_matching_sequence): Declare functions.
1682 2010-04-14 Jason Merrill <jason@redhat.com>
1685 * c-common.c (attribute_takes_identifier_p): New fn.
1686 * c-common.h: Declare it.
1688 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1690 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1692 (*udivmod<mode>4): Ditto.
1694 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1696 * config/i386/i386.md (maxmin_int): Rename code attribute from
1697 maxminiprefix and update all users.
1698 (maxmin_float): Ditto from maxminfprefix.
1699 (logic): Ditto from logicprefix.
1700 (absneg_mnemonic): Ditto from absnegprefix.
1701 * config/i386/mmx.md: Update all users of maxminiprefix,
1702 maxminfprefix and logicprefix for rename.
1703 * config/i386/sse.md: Ditto.
1704 * config/i386/sync.md (sync_<code><mode>): Update for
1707 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1710 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1711 warnings converted to errors.
1713 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1715 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1716 used insn_type variable.
1717 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1718 to avoid set-but-not-used warning.
1720 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1722 * df-core.c (df_ref_debug): Change format string placeholder
1724 * dwarf2asm.c (dw2_asm_output_data_raw,
1725 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1726 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1727 * dwarf2out.c (output_cfi, output_cfi_directive,
1728 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1729 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1731 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1732 * print-rtl.c (print_rtx): Ditto.
1734 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1737 * builtins.c (expand_builtin_pow_root): New function to expand pow
1738 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1739 series of sqrt and cbrt calls under -ffast-math.
1740 (expand_builtin_pow): Call it.
1742 2010-04-14 Michael Matz <matz@suse.de>
1744 PR tree-optimization/42963
1745 * tree-cfg.c (touched_switch_bbs): New static variable.
1746 (group_case_labels_stmt): New function broken out from ...
1747 (group_case_labels): ... here, use the above.
1748 (start_recording_case_labels): Allocate touched_switch_bbs.
1749 (end_recording_case_labels): Deallocate it, call
1750 group_case_labels_stmt.
1751 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1753 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1755 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1758 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1760 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1762 2010-04-13 Jan Hubicka <jh@suse.cz>
1764 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1765 of optimized out static functions.
1766 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1767 cost computation. Also sanity check for overflows.
1768 (update_caller_keys): Update cgraph_edge_badness call; properly
1769 update fibheap and sanity check that it is up to date.
1770 (add_new_edges_to_heap): Update cgraph_edge_badness.
1771 (cgraph_decide_inlining_of_small_function): Likewise;
1772 add sanity checking that badness in heap is up to date;
1773 improve dumping of reason; Update badness of calls to the
1774 offline copy of function currently inlined; dump badness
1775 of functions not inlined because of unit growth limits.
1777 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1780 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1781 because of sign-extension change when converting to sizetype here...
1782 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1784 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1785 the folding to constants. Remove redundant final conversion.
1786 (fold_binary) <associate>: Do not associate if the re-association of
1787 constants alone overflows.
1788 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1789 to the end of the list.
1790 (multiple_of_p) <COND_EXPR>: New case.
1792 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1794 * opt-functions.awk (opt_sanitized_name): New.
1796 * optc-gen.awk: Use it
1797 * opth-gen.awk: Use it.
1799 2010-04-13 Martin Jambor <mjambor@suse.cz>
1801 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1802 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1803 children. Call replace_uses_with_default_def_ssa_name to handle
1806 2010-04-13 Michael Matz <matz@suse.de>
1809 * builtins.c (expand_builtin_interclass_mathfn): Also create
1810 a register if the predicate doesn't match.
1812 2010-04-13 Diego Novillo <dnovillo@google.com>
1814 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1815 * c-pch.c: Include timevar.h.
1816 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1817 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1818 * ggc-common.c: Include timevar.h.
1819 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1820 * timevar.def (TV_PCH_SAVE): Define.
1821 (TV_PCH_CPP_SAVE): Define.
1822 (TV_PCH_PTR_REALLOC): Define.
1823 (TV_PCH_PTR_SORT): Define.
1824 (TV_PCH_RESTORE): Define.
1825 (TV_PCH_CPP_RESTORE): Define.
1827 2010-04-13 Michael Matz <matz@suse.de>
1829 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1831 (can_reassociate_p): New function.
1832 (break_up_subtract_bb, reassociate_bb): Use it.
1834 2010-04-13 Richard Guenther <rguenther@suse.de>
1837 * builtins.c (c_readstr): Fix assert.
1839 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1841 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1842 when generating cltd insn.
1844 (*ashl<mode>3_1): Remove special handling for register operand 2.
1845 (*ashlsi3_1_zext): Ditto.
1846 (*ashlhi3_1): Ditto.
1847 (*ashlhi3_1_lea): Ditto.
1848 (*ashlqi3_1): Ditto.
1849 (*ashlqi3_1_lea): Ditto.
1850 (*<shiftrt_insn><mode>3_1): Ditto.
1851 (*<shiftrt_insn>si3_1_zext): Ditto.
1852 (*<shiftrt_insn>qi3_1_slp): Ditto.
1853 (*<rotate_insn><mode>3_1): Ditto.
1854 (*<rotate_insn>si3_1_zext): Ditto.
1855 (*<rotate_insn>qi3_1_slp): Ditto.
1857 2010-04-13 Richard Guenther <rguenther@suse.de>
1859 * tree-ssa-structalias.c (callused_id): Remove.
1860 (call_stmt_vars): New.
1861 (get_call_vi): Likewise.
1862 (lookup_call_use_vi): Likewise.
1863 (lookup_call_clobber_vi): Likewise.
1864 (get_call_use_vi): Likewise.
1865 (get_call_clobber_vi): Likewise.
1866 (make_transitive_closure_constraints): Likewise.
1867 (handle_const_call): Adjust to do per-call call-used handling.
1868 (handle_pure_call): Likewise.
1869 (find_what_var_points_to): Remove general callused handling.
1870 (init_base_vars): Likewise.
1871 (init_alias_vars): Initialize call_stmt_vars.
1872 (compute_points_to_sets): Process call-used and call-clobbered
1873 vars for call statements.
1874 (delete_points_to_sets): Free call_stmt_vars.
1876 2010-04-13 Richard Guenther <rguenther@suse.de>
1878 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1879 Only add RW dependence for dependence distance zero.
1880 Adjust maximal vectorization factor according to dependences.
1881 Move alignment handling ...
1882 (vect_find_same_alignment_drs): ... here. New function.
1883 (vect_analyze_data_ref_dependences): Adjust.
1884 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1885 (vect_analyze_data_refs): Adjust minimal vectorization factor
1886 according to data references.
1887 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1888 dependences before determining the vectorization factor.
1889 Analyze alignment after determining the vectorization factor.
1890 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1891 dependences before alignment.
1892 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1894 (vect_analyze_data_refs): Likewise.
1895 (MAX_VECTORIZATION_FACTOR): New define.
1897 2010-04-13 Duncan Sands <baldrick@free.fr>
1899 * except.h (lang_eh_type_covers): Remove.
1900 * except.c (lang_eh_type_covers): Likewise.
1902 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1903 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1905 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1906 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1907 UNITS_PER_LONG where it is ABI relevant.
1908 (s390_return_addr_rtx): Likewise.
1909 (s390_back_chain_rtx): Likewise.
1910 (s390_frame_area): Likewise.
1911 (s390_frame_info): Likewise.
1912 (s390_initial_elimination_offset): Likewise.
1913 (save_gprs): Likewise.
1914 (s390_emit_prologue): Likewise.
1915 (s390_emit_epilogue): Likewise.
1916 (s390_function_arg_advance): Likewise.
1917 (s390_function_arg): Likewise.
1918 (s390_va_start): Likewise.
1919 (s390_gimplify_va_arg): Likewise.
1920 (s390_function_profiler): Likewise.
1921 (s390_optimize_prologue): Likewise.
1922 (s390_rtx_costs): Likewise.
1923 (s390_secondary_reload): Likewise.
1924 (s390_promote_function_mode): Likewise.
1925 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1926 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1927 registers available.
1928 (s390_unwind_word_mode): New function.
1929 (s390_function_value): Split 64 bit values into register pair if
1930 used as return value.
1931 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1932 function call parameters. Handle parallels.
1933 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1934 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1935 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1936 (s390_expand_setmem): Remove unused variable src_addr.
1937 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1938 deal with 64 bit registers.
1939 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1940 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1941 (UNITS_PER_LONG): New macro.
1942 * libjava/include/s390-signal.h: Define extended ucontext
1943 structure containing the upper halfs of the 64 bit registers.
1945 2010-04-13 Simon Baldwin <simonb@google.com>
1947 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1949 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1951 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1952 rvalue on the RHS if the LHS is of a non-renamable type.
1953 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1955 2010-04-13 Matthias Klose <doko@ubuntu.com>
1957 * gcc.c (cc1_options): Handle -iplugindir before processing
1958 the cc1 spec. Only add -iplugindir once.
1959 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1961 * common.opt (iplugindir): Remove `Separate' property, initialize.
1962 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1964 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1965 (distclean): Remove plugin dir.
1966 * doc/invoke.texi: Document -iplugindir.
1968 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1970 * doc/plugins.texi (Loading Plugins): Document short
1971 -fplugin=foo option.
1972 (Plugin API): Mention default_plugin_dir_name function.
1974 * gcc.c (find_file_spec_function): Add new declaration.
1975 (static_spec_func): Use it for "find-file".
1976 (find_file_spec_function): Add new function.
1977 (cc1_options): Add -iplugindir option if -fplugin* options found.
1979 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1981 * plugin.c (add_new_plugin): Updated comment, and handle short
1983 (default_plugin_dir_name): Added new function.
1985 * common.opt (iplugindir): New option to set the plugin directory.
1987 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1989 * config/i386/i386.md (any_rotate): New code iterator.
1990 (rotate_insn): New code attribute.
1992 (SWIM124): New mode iterator.
1993 (<rotate_insn>ti3): New expander.
1994 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1995 any_rotate code iterator.
1996 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1997 using any_rotate code iterator and SWIM124 mode iterator.
1998 (ix86_rotlti3): New insn_and_split pattern.
1999 (ix86_rotrti3): Ditto.
2000 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2001 ix86_rotl{di,ti}3 patterns.
2002 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2003 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2004 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2005 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2006 code iterator and SWI mode iterator.
2007 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2008 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2010 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2011 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2012 (bswap rotatert splitter): Add splitter.
2013 (bswap splitter): Macroize splitter using any_rotate code iterator.
2014 Add insn predicate to split only for TARGET_USE_XCHGB or when
2015 optimizing function for size.
2017 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2019 * config/pa/pa.c (emit_move_sequence): Remove use of
2020 deleted variable flag_argument_noalias.
2022 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2024 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2026 Add to unsupported targets list.
2027 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2028 sparc*-sun-solaris2.[567]* from target lists.
2029 * configure: Regenerate.
2030 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2032 Remove Solaris 7 patch references.
2033 (Specific, sparc-sun-solaris2.7): Removed.
2034 (sparc-sun-solaris2*): Update Solaris 7 example.
2035 (sparc64-*-solaris2*): Likewise.
2037 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2039 * config.build (alpha*-dec-osf4*): Remove.
2040 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2041 of obsolete configurations.
2042 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2044 * config/alpha/t-osf4: Renamed to ...
2045 * config/alpha/t-osf5: ... this.
2046 * config/alpha/osf.h: Renamed to ...
2047 * config/alpha/osf5.h: ... this.
2048 Merged old osf5.h contents.
2050 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2051 (EXTRA_SPECS): Removed.
2052 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2053 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2056 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2058 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2060 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2063 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2064 __thiscall convention.
2066 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2068 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2070 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2072 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2074 * function.c (assign_parms_initialize_all): Add unused attribute
2077 2010-04-12 Richard Guenther <rguenther@suse.de>
2079 * gsstruct.def (GSS_CALL): New.
2080 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2081 * gimple.h: Include tree-ssa-alias.h.
2082 (struct gimple_statement_call): New.
2083 (union gimple_statement_struct_d): Add gimple_call member.
2084 (gimple_call_reset_alias_info): Declare.
2085 (gimple_call_use_set): New function.
2086 (gimple_call_clobber_set): Likewise.
2087 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2088 * gimple.c (gimple_call_reset_alias_info): New function.
2089 (gimple_build_call_1): Call it.
2090 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2091 * tree-inline.c (remap_gimple_stmt): Likewise.
2092 (expand_call_inline): Remove callused handling.
2093 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2094 * tree-dfa.c (dump_variable): Likewise.
2095 * tree-parloops.c (parallelize_loops): Likewise.
2096 * tree-ssa.c (init_tree_ssa): Likewise.
2097 (delete_tree_ssa): Likewise.
2098 * tree-flow-inline.h (is_call_used): Remove.
2099 * tree-flow.h (struct gimple_df): Remove callused member.
2100 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2101 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2102 (ref_maybe_used_by_call_p_1): Simplify.
2103 (call_may_clobber_ref_p_1): Likewise.
2104 * tree-ssa-structalias.c (compute_points_to_sets): Set
2105 the call stmt used and clobbered sets.
2106 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2107 (find_tail_calls): Verify the tail call.
2109 2010-04-12 Richard Guenther <rguenther@suse.de>
2111 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2112 single-iteration always-inline inlining.
2113 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2114 (cgraph_decide_inlining): Do not handle always-inline specially.
2115 (try_inline): Remove always-inline cycle detection special case.
2116 Do not recurse on always-inlines.
2117 (cgraph_early_inlining): Do not iterate if not optimizing.
2118 (cgraph_gate_early_inlining): remove.
2119 (pass_early_inline): Run unconditionally.
2120 (gate_cgraph_decide_inlining): New function.
2121 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2122 not inlining or optimizing.
2123 (cgraph_decide_inlining_of_small_functions): Also consider
2124 always-inline functions.
2125 (cgraph_default_inline_p): Return true for nodes which should
2126 disregard inline limits.
2127 (estimate_function_body_sizes): Assume zero size and time for
2128 nodes which are marked as disregarding inline limits.
2129 (cgraph_decide_recursive_inlining): Do not perform recursive
2130 inlining on always-inline nodes.
2132 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2135 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2136 for exprs satisfying handled_component_p.
2138 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2140 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2141 non-constant aggregate elements.
2143 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2144 is a real initialization.
2146 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2149 * c-decl.c (start_function): Move forward check for nested function.
2151 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2153 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2154 * config/sh/sh.c: Include reload.h.
2155 (sh_legitimize_reload_address): New.
2156 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2157 sh_legitimize_reload_address.
2159 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2161 * config/sh/sh.md (*movqi_pop): New insn pattern.
2162 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2164 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2166 * config/i386/i386.md (any_shiftrt): New code iterator.
2167 (shiftrt_insn): New code attribute.
2169 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2170 using any_shiftrt code iterator.
2171 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2172 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2173 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2174 pattern from corresponding peephole2 patterns.
2175 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2176 using any_shiftrt code iterator.
2177 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2178 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2179 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2180 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2181 *{ashr,lshr}<mode>3_cmp_zext.
2182 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2184 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2186 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2188 (*lshr<mode>3_cconly): Ditto.
2190 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2192 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2193 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2194 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2195 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2197 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2198 from corresponding peephole2 patterns.
2199 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2200 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2201 and *lshrdi3_1_rex64 using SWI mode iterator.
2202 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2203 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2204 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2205 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2206 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2207 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2208 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2209 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2210 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2213 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2215 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2216 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2217 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2218 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2220 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2221 from corresponding peephole2 patterns.
2222 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2223 (ashrsi3_cvt): Rename from ashrsi3_31.
2224 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2225 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2226 and x86_64_shift_adj_3 using SWI48 mode iterator.
2227 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2228 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2229 and *ashrdi3_1_rex64 using SWI mode iterator.
2230 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2231 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2232 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2233 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2234 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2235 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2236 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2237 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2238 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2240 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2241 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2242 x86_shift<mode>_adj_3 expanders.
2244 2010-04-10 Wei Guozhi <carrot@google.com>
2247 * config/arm/arm.c (arm_pic_static_addr): New function.
2248 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2250 (arm_output_addr_const_extra): Output expression for new pattern.
2251 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2253 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2255 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2258 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2259 * web.c: Include "insn-config.h" and "recog.h".
2260 (union_match_dups): New function.
2261 (web_main): Call it.
2262 (union_defs): Don't try to recognize match_dups.
2264 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2265 if doing so would replace the entire pattern.
2267 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2271 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2272 and splitter pattern. Change splitter operand 1 predicate to
2275 2010-04-09 Martin Jambor <mjambor@suse.cz>
2277 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2278 lattices are addresses of CONST_DECLs with the same initial value.
2279 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2280 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2282 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2283 Bernd Schmidt <bernds@codesourcery.com>
2285 * loop-invariant.c (replace_uses): New static function.
2286 (move_invariant_reg): Use it to ensure we can replace the uses.
2288 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2290 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2292 (picochip_override_options): Enable section anchors only above -O1.
2293 (picochip_reorg): Fixed a couple of build warnings.
2295 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2297 * configure.ac (plugin -rdynamic test): Log result.
2298 * configure: Regenerate.
2299 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2300 (RDYNAMIC_SPEC): Define.
2301 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2303 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2305 * configure.ac: Determine Sun ld version numbers.
2306 (comdat_group): Restrict GNU ld version checks to gld.
2307 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2308 (enable_comdat): Support --enable-comdat.
2309 * configure: Regenerate.
2310 * doc/install.texi (Configuration): Document --enable-comdat.
2312 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2314 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2315 * config/sol2-gld.h: ... here.
2316 * config.gcc (sparc*-*-solaris2*): Reflect this.
2317 (i[34567]86-*-solaris2*): Use it.
2319 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2321 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2323 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2325 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2328 * diagnostic.c (diagnostic_initialize): Initialize
2329 some_warnings_are_errors.
2330 (diagnostic_finish): New.
2331 (diagnostic_action_after_output): Call it before exiting.
2332 (diagnostic_report_diagnostic): Do not print message here. Set
2333 some_warnings_are_errors.
2334 * diagnostic.h (diagnostic_context): Delete
2335 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2336 (diagnostic_finish): Declare.
2337 * toplev.c (toplev_main): Call it before exit.
2339 2010-04-09 Jason Merrill <jason@redhat.com>
2342 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2343 for incomplete type.
2346 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2347 based on a warning flag.
2349 2010-04-09 Richard Guenther <rguenther@suse.de>
2351 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2353 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2356 * varasm.c (default_assemble_visibility): Wrap vars that are
2357 set, but unused, by targets without GAS.
2358 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2359 Remove set, but unused, vars.
2360 (rs6000_legitimize_tls_address): Likewise.
2361 (altivec_expand_dst_builtin): Likewise.
2362 * config/darwin.c (machopic_classify_symbol): Likewise.
2363 (machopic_indirection_name): Likewise.
2365 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2367 * config/i386/i386.md (DWI): New mode iterator.
2368 (S): New mode attribute.
2369 (shift_operand): Ditto.
2370 (shift_immediate_operand): Ditto.
2371 (ashl_input_operand): Ditto.
2372 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2373 using SDWIM mode iterator.
2374 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2375 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2377 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2378 from corresponding peephole2 patterns.
2379 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2380 and x86_64_shift_adj_1 using SWI48 mode iterator.
2381 (x86_shift<mode>_adj_2): Ditto.
2382 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2383 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2384 using SWI48 mode iterator.
2385 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2386 *ashldi3_cmp_rex64 using SWI mode iterator.
2387 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2388 *ashldi3_cconly_rex64 using SWI mode iterator.
2389 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2390 x86_shift<mode>_adj_{1,2}.
2391 (ix86_split_ashr): Ditto.
2392 (ix86_split_lshr): Ditto.
2394 2010-04-09 Richard Guenther <rguenther@suse.de>
2396 * target.h (builtin_conversion): Pass in input and output types.
2397 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2398 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2399 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2400 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2402 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2404 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2406 2010-04-09 Richard Guenther <rguenther@suse.de>
2409 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2411 2010-04-09 Richard Guenther <rguenther@suse.de>
2413 * tree-vectorizer.h (struct _stmt_vec_info): Document
2414 that vectype is the type of the LHS.
2415 (supportable_widening_operation, supportable_narrowing_operation):
2416 Get both input and output vector types as arguments.
2417 (vect_is_simple_use_1): Declare.
2418 (get_same_sized_vectype): Likewise.
2419 * tree-vect-loop.c (vect_determine_vectorization_factor):
2420 Set STMT_VINFO_VECTYPE to the vector type of the def.
2421 (vectorizable_reduction): Adjust.
2422 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2423 Adjust. Specify the output vector type.
2424 (vect_pattern_recog_1): Adjust.
2425 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2426 (vectorizable_call): Adjust.
2427 (vectorizable_conversion): Likewise.
2428 (vectorizable_operation): Likewise.
2429 (vectorizable_type_demotion): Likewise.
2430 (vectorizable_type_promotion): Likewise.
2431 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2433 (vect_is_simple_use_1): New function.
2434 (supportable_widening_operation): Get both input and output
2436 (supportable_narrowing_operation): Likewise.
2437 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2439 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2441 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2442 __thiscall and _thiscall as predefined macros.
2443 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2444 thiscall attribute handling.
2445 (ix86_comp_type_attributes): Likewise.
2446 (ix86_function_regparm): Likewise.
2447 (ix86_return_pops_args): Likewise.
2448 (init_cumulative_args): Likewise.
2449 (find_drap_reg): Likewise.
2450 (ix86_static_chain): Likewise.
2451 (x86_this_parameter): Likewise.
2452 (x86_output_mi_thunk): Likewise.
2453 (ix86_attribute_table): Add description for thiscall attribute.
2454 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2455 * doc/extend.texi: Add documentation for thiscall.
2457 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2460 * c.opt (Wint-to-pointer-cast): Available in C++.
2461 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2463 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2465 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2466 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2467 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2468 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2469 function type instead. Reorder and simplify checks.
2471 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2473 2010-04-08 Jing Yu <jingyu@google.com>
2474 Zdenek Dvorak <ook@ucw.cz>
2476 PR tree-optimization/42720
2477 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2478 loop unswitch conditions here from ...
2479 (tree_unswitch_single_loop): ... here.
2481 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2483 * tree-if-conv.c: Fix comments and simplify logic.
2485 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2487 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2488 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2489 (main_tree_if_conversion): Update call to tree_if_conversion.
2491 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2494 * doc/invoke.texi (-b,-V): Delete.
2495 * doc/tm.texi: Do not mention -b.
2496 * gcc.c (display_help): Delete -b and -V.
2497 (process_command): Delete -b and -V.
2498 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2500 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2501 Wolfgang Gellerich <gellerich@de.ibm.com>
2503 Implement target hook for loop unrolling
2504 * target.h (loop_unroll_adjust): Add a new target hook function.
2505 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2506 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2507 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2508 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2509 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2511 (decide_unroll_stupid): Likewise.
2513 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2516 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2518 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2520 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2521 (Specific, *-*-solaris2*): Likewise.
2522 Don't prefer Sun as over GNU as.
2524 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2526 * config/s390/s390.c (override_options): Adjust the z10
2527 defaults for max-unroll-times, max-completely-peeled-insns
2528 and max-completely-peel-times.
2530 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2532 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2533 instructions for z10.
2534 (s390_expand_setmem): Likewise.
2535 (s390_expand_cmpmem): Likewise.
2537 2010-04-08 Richard Guenther <rguenther@suse.de>
2539 PR tree-optimization/43679
2540 * tree-ssa-pre.c (eliminate): Only propagate copies.
2542 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2545 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2546 set but not used variable warning.
2548 2010-04-08 Wei Guozhi <carrot@google.com>
2551 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2552 (arm_size_rtx_costs): Call the new function when optimized for size.
2554 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2557 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2558 op0 is not a MEM, just return NULL instead of assertion
2560 (discover_nonconstant_array_refs): Don't walk debug stmts.
2562 2010-04-08 Doug Kwan <dougkwan@google.com>
2564 * configure.ac: Recognize gold and do not use its version number
2565 to test ld features.
2566 * configure: Regenerate.
2568 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2571 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2572 (negate_value): Move code to push elements to broken_up_substracts ...
2573 (eliminate_plus_minus_pair): ... here. Push operands that have no
2574 negative pair to plus_negates.
2575 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2577 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2579 * doc/install.texi (Configuration): Move description of
2580 --enable-lto, --with-libelf*, --enable-gold from Java section to
2583 * doc/generic.texi (Working with declarations)
2584 (Function Properties, C and C++ Trees): Fix typos.
2585 * doc/sourcebuild.texi (Top Level): Likewise.
2587 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2590 * tree.h (DECL_READ_P): Define.
2591 (struct tree_decl_common): Add decl_read_flag.
2592 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2593 a set but not used warning.
2594 (merge_decls): Merge DECL_READ_P flag.
2595 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2596 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2597 * c-common.c (handle_used_attribute, handle_unused_attribute):
2599 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2601 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2603 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2604 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2605 c_parser_binary_expression, c_parser_cast_expression,
2606 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2607 Call default_function_array_read_conversion instead of
2608 default_function_array_conversion where needed.
2609 (c_parser_unary_expression, c_parser_conditional_expression,
2610 c_parser_postfix_expression_after_primary, c_parser_initelt):
2611 Likewise. Call mark_exp_read where needed.
2612 (c_parser_statement_after_labels, c_parser_asm_operands,
2613 c_parser_typeof_specifier, c_parser_sizeof_expression,
2614 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2616 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2618 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2619 (warn_unused_but_set_parameter): Default to warn_unused
2621 * doc/invoke.texi: Document -Wunused-but-set-variable and
2622 -Wunused-but-set-parameter.
2624 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2625 used count variable.
2626 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2627 when operandN variables aren't used in the body of the expander
2629 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2630 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2631 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2632 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2633 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2634 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2635 * tree.c (PROCESS_ARG): Likewise.
2637 2010-04-07 Simon Baldwin <simonb@google.com>
2639 * diagnostic.h (diagnostic_override_option_index): New macro to
2640 set a diagnostic's option_index.
2641 * c-tree.h (c_cpp_error): Add warning reason argument.
2642 * opts.c (_warning_as_error_callback): New.
2643 (register_warning_as_error_callback): Store callback for
2644 warnings enabled via enable_warning_as_error.
2645 (enable_warning_as_error): Call callback, minor code tidy.
2646 * opts.h (register_warning_as_error_callback): Declare.
2647 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2648 response to -Werror=.
2649 (c_common_init_options): Register warning_as_error_callback in opts.c.
2650 * common.opt: Add -Wno-cpp option.
2651 * c-common.c (struct reason_option_codes_t): Map cpp warning
2652 reason codes to gcc option indexes.
2653 * (c_option_controlling_cpp_error): New function, lookup the gcc
2654 option index for a cpp warning reason code.
2655 * (c_cpp_error): Add warning reason argument, call
2656 c_option_controlling_cpp_error for diagnostic_override_option_index.
2657 * doc/invoke.texi: Document -Wno-cpp.
2659 2010-04-07 Richard Guenther <rguenther@suse.de>
2661 * ipa-reference.c (mark_load): Use get_base_address.
2662 (mark_store): Likewise.
2664 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2665 inserting GIMPLE_NOPs into the IL.
2666 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2667 Explicitly strip handled components and indirect references.
2669 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2670 folding address expressions.
2671 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2672 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2673 operand_equal_p to compare decls.
2674 (ptr_deref_may_alias_decl_p): Likewise.
2675 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2676 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2677 Handle reversed comparison ops.
2678 * tree-sra.c (asm_visit_addr): Use get_base_address.
2679 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2680 * ipa-reference.c (mark_address): Use get_base_address.
2682 2010-04-07 Richard Guenther <rguenther@suse.de>
2684 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2685 Propagate constants everywhere.
2687 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2690 * tree.c (MAX_INT_CACHED_PREC): Define.
2691 (nonstandard_integer_type_cache): New array.
2692 (build_nonstandard_integer_type): Cache results for precision
2693 <= MAX_INT_CACHED_PREC.
2695 2010-04-07 Richard Guenther <rguenther@suse.de>
2697 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2698 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2699 * common.opt: Likewise.
2700 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2701 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2702 (nonoverlapping_memrefs_p): Likewise.
2703 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2704 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2705 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2706 OPT_fargument_noalias_global for backward compatibility.
2708 2010-04-07 Richard Guenther <rguenther@suse.de>
2710 PR tree-optimization/43270
2711 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2712 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2713 * tree-ssa-pre.c (phi_translate_1): Adjust.
2714 (fully_constant_expression): Split out vn_reference handling to ...
2715 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2716 Fold reads from constant strings.
2717 (vn_reference_lookup): Handle fully constant references.
2718 (vn_reference_lookup_pieces): Likewise.
2719 * Makefile.in (expmed.o-warn): Add -Wno-error.
2721 2010-04-07 Martin Jambor <mjambor@suse.cz>
2723 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2725 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2728 * gcc.c: Add -static-libstdc++ to list of recognized options.
2730 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2732 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2734 2010-04-07 Richard Guenther <rguenther@suse.de>
2737 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2738 bases build simple mem attributes to retain points-to information.
2740 2010-04-07 Richard Guenther <rguenther@suse.de>
2743 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2744 preserve points-to related information.
2746 2010-04-07 Richard Guenther <rguenther@suse.de>
2749 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2750 discard plain indirect references.
2751 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2752 * tree.c (tree_nop_conversion): Likewise.
2754 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2757 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2759 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2761 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2762 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2764 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2766 * tree-if-conv.c: Fix indentation and comments.
2768 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2770 * tree-if-conv.c: Sort static functions in topological order.
2772 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2774 * tree-if-conv.c: Fix indentation and comments.
2776 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2779 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2780 lang_hooks.types.type_for_size instead of
2781 build_nonstandard_integer_type.
2782 When converting an unsigned type to signed, double its precision.
2783 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2784 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2785 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2788 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2791 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2792 POINTER_PLUS_EXPR for pointer types.
2794 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2797 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2798 * graphite-clast-to-gimple.c: Include langhooks.h.
2799 (max_signed_precision_type): New.
2800 (max_precision_type): Takes two types as arguments.
2801 (precision_for_value): New.
2802 (precision_for_interval): New.
2803 (gcc_type_for_interval): New.
2804 (gcc_type_for_value): New.
2805 (gcc_type_for_clast_term): New.
2806 (gcc_type_for_clast_red): New.
2807 (gcc_type_for_clast_bin): New.
2808 (gcc_type_for_clast_expr): Split up into several functions.
2809 (gcc_type_for_clast_eq): Rewritten.
2810 (compute_bounds_for_level): New.
2811 (compute_type_for_level_1): New.
2812 (compute_type_for_level): New.
2813 (gcc_type_for_cloog_iv): Removed.
2814 (gcc_type_for_iv_of_clast_loop): Rewritten.
2815 (graphite_create_new_loop): Compute the lower and upper bound types
2816 with gcc_type_for_clast_expr.
2817 (graphite_create_new_loop_guard): Same.
2818 (find_cloog_iv_in_expr): Removed.
2819 (compute_cloog_iv_types_1): Removed.
2820 (compute_cloog_iv_types): Removed.
2821 (gloog): Do not call compute_cloog_iv_types.
2822 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2824 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2825 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2826 (GBB_CLOOG_IV_TYPES): Removed.
2828 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2830 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2831 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2832 (detect_commutative_reduction): Same.
2834 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2836 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2837 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2839 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2840 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2841 (rewrite_commutative_reductions_out_of_ssa): Same.
2842 * passes.c (execute_function_todo): Call verify_ssa for every pass
2843 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2844 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2845 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2846 with an extra argument.
2847 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2848 verify_ssa only when the extra argument is true.
2849 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2850 with an extra argument.
2851 (tree_transform_and_unroll_loop): Same.
2853 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2855 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2856 for all the passes of the LNO having LOOP_CLOSED_SSA.
2857 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2858 * tree-loop-distribution.c (pass_loop_distribution): Same.
2859 * tree-pass.h (TODO_verify_loops): Removed.
2860 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2862 (pass_tree_unswitch): Same.
2863 (pass_predcom): Same.
2864 (pass_vectorize): Same.
2865 (pass_linear_transform): Same.
2866 (pass_graphite_transforms): Same.
2867 (pass_iv_canon): Same.
2868 (pass_complete_unroll): Same.
2869 (pass_complete_unrolli): Same.
2870 (pass_parallelize_loops): Same.
2871 (pass_loop_prefetch): Same.
2872 (pass_iv_optimize): Same.
2874 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2877 * passes.c (init_optimization_passes): Move pass_lim before
2878 pass_copy_prop and pass_dce_loop.
2880 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2883 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2884 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2885 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2886 MULTI_* defines for 4 argument vpermil2p* builtins.
2888 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2890 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2891 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2892 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2893 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2894 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2895 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2896 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2897 Use x86_maybe_negate_const_int to output insn mnemonic.
2898 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2899 check from instruction predicate. Update comments.
2900 * config/i386/sync.md (sync_add<mode>): Use
2901 x86_maybe_negate_const_int to output insn mnemonic.
2903 2010-04-06 Jan Hubicka <jh@suse.cz>
2905 PR tree-optimization/42906
2906 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2907 IGNORE_SELF argument. Set visited_control_parents for fully
2909 (find_obviously_necessary_stmts): Update call of
2910 mark_control_dependent_edges_necessary.
2911 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2913 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2915 * config/i386/i386.md: Remove comment about 'e' and 'E'
2918 2010-04-06 Richard Guenther <rguenther@suse.de>
2920 PR tree-optimization/43627
2921 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2922 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2925 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2927 * BASE-VER: Change to 4.6.0.
2930 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2933 2010-04-06 Richard Guenther <rguenther@suse.de>
2936 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2938 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2940 * doc/invoke.texi (Optimize Options): Document that LTO
2941 won't remove object access purely due to incompatible
2944 2010-04-04 Matthias Klose <doko@ubuntu.com>
2946 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2947 Initialize variable.
2949 2010-04-03 Richard Guenther <rguenther@suse.de>
2952 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2953 require a non-NULL MEM_OFFSET.
2955 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2957 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2958 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2959 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2960 config/alpha/predicates.md, config/arm/arm.md,
2961 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2962 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2963 config/darwin9.h, config/darwin.c, config/darwin.h,
2964 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2965 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2966 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2967 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2968 config/mips/mips.md, config/mn10300/mn10300.c,
2969 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2970 config/rs6000/aix.h, config/rs6000/dfp.md,
2971 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2972 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2973 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2974 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2975 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2976 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2977 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2978 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2979 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2980 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2981 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2982 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2983 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2984 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2985 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2986 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2987 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2988 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2989 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2990 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2991 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2992 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2993 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2994 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2995 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2996 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2997 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2998 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2999 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3000 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3001 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3002 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3003 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3004 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3005 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3006 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3008 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3011 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3012 * aclocal.m4: Regenerate.
3014 2010-04-02 Richard Guenther <rguenther@suse.de>
3016 PR tree-optimization/43629
3017 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3018 if we have seen a constant value.
3020 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3022 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3024 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3027 * arm.c (legitimize_tls_address): Adjust call to
3028 gen_tls_load_dot_plus_four.
3029 (arm_note_pic_base): New function.
3030 (arm_cannot_copy_insn_p): Use it.
3031 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3034 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3039 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3041 * Makefile.in ($(out_object_file)): Depend on
3042 gt-$(basename $(notdir $(out_file))).h.
3044 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3046 * config.gcc (lm32-*-rtems*): Add t-lm32.
3048 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3050 * config.gcc: Add lm32-*-rtems*.
3051 * config/lm32/rtems.h: New file.
3053 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3056 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3058 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3060 * dwarf2out.c (output_compilation_unit_header): For
3061 -gdwarf-4 use version 4 instead of version 3.
3062 (output_line_info): For version 4 and above emit additional
3063 maximum ops per insn header field.
3064 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3066 * dwarf2out.c (is_c_family, is_java): Remove.
3067 (lower_bound_default): New function.
3068 (add_bound_info, gen_descr_array_type_die): Use it.
3070 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3073 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3074 re-declaration when it happens in a function.
3076 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3078 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3079 (cgraph_remove_function_insertion_hook): Same.
3080 (cgraph_call_function_insertion_hooks): Same.
3082 2010-04-01 Richard Guenther <rguenther@suse.de>
3085 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3086 and TREE_THIS_VOLATILE.
3087 (copy_ref_info): Likewise.
3088 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3089 * tree.c (build6_stat): Ignore side-effects of all but arg5
3090 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3093 2010-04-01 Richard Guenther <rguenther@suse.de>
3095 PR tree-optimization/43607
3096 * ipa-type-escape.c (check_call): Do not access non-existing
3099 2010-04-01 Richard Guenther <rguenther@suse.de>
3103 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3104 Jack Howarth <howarth@bromo.med.uc.edu>
3106 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3109 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3111 * doc/install.texi (Prerequisites): Document libelf usability on
3112 IRIX 5/6 and Solaris 2.
3113 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3114 Update GNU as, GNU ld requirements.
3115 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3116 Document Sun Studio compiler download.
3117 Update and simplify as, ld recommendations.
3118 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3120 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3122 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3123 with_tune_32 to pentium4.
3125 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3127 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3129 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3131 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3132 obsoletion, removal.
3134 Document GNU as requirement.
3135 Update configure requirements.
3136 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3137 Recomment IRIX 6.5.18+.
3138 Document IDF/IDL requirement.
3139 Document GNU as requirement.
3140 Document GNU ld bootstrap failure.
3141 Remove freeware.sgi.com reference.
3143 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3145 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3146 UNIX V4.0, V5.0 obsoletion, removal.
3147 Remove --with-gc=simple reference.
3148 Update VM requirements during bootstrap.
3149 Remove -oldas bootstrap description.
3150 Update binutils reference.
3151 Remove comparison failure note.
3153 2010-03-31 Richard Guenther <rguenther@suse.de>
3154 Zdenek Dvorak <ook@ucw.cz>
3155 Sebastian Pop <sebastian.pop@amd.com>
3158 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3159 with multiple arguments.
3160 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3162 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3164 * graphite-dependences.c (print_pddr): Call print_pdr with an
3166 * graphite-poly.c (debug_pdr): Add an extra argument for the
3169 (print_pbb_domain): Same.
3171 (print_scop_context): Same.
3173 (print_cloog): Same.
3174 (debug_pbb_domain): Same.
3178 (debug_scop_context): Same.
3180 (debug_cloog): Same.
3181 (print_scop_params): Same.
3182 (debug_scop_params): Same.
3183 (print_iteration_domain): Same.
3184 (print_iteration_domains): Same.
3185 (debug_iteration_domain): Same.
3186 (debug_iteration_domains): Same.
3187 (print_scattering_function): Same.
3188 (print_scattering_functions): Same.
3189 (debug_scattering_function): Same.
3190 (debug_scattering_functions): Same.
3191 * graphite-poly.h (debug_pdr): Update declaration.
3193 (print_pbb_domain): Same.
3195 (print_scop_context): Same.
3197 (print_cloog): Same.
3198 (debug_pbb_domain): Same.
3202 (debug_scop_context): Same.
3204 (debug_cloog): Same.
3205 (print_scop_params): Same.
3206 (debug_scop_params): Same.
3207 (print_iteration_domain): Same.
3208 (print_iteration_domains): Same.
3209 (debug_iteration_domain): Same.
3210 (debug_iteration_domains): Same.
3211 (print_scattering_function): Same.
3212 (print_scattering_functions): Same.
3213 (debug_scattering_function): Same.
3214 (debug_scattering_functions): Same.
3216 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3218 * graphite-poly.c (print_scattering_function_1): New.
3219 (print_scattering_function): Call it.
3220 (print_scop_params): Remove spaces at the end of lines.
3223 * graphite-poly.h (print_cloog): Declared.
3224 (debug_cloog): Declared.
3226 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3228 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3230 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3231 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3232 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3233 to switch between adding the IV bump in loop->latch or in loop->header.
3235 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3237 * graphite-poly.c (print_scattering_function): Pretty print following
3240 (print_pbb_domain): Same.
3241 (dump_gbb_cases): Same.
3242 (dump_gbb_conditions): Same.
3245 (print_scop_params): Same.
3246 (print_scop_context): Same.
3248 (print_pbb_body): New.
3249 (lst_indent_to): New.
3250 (print_lst): Start new lines with a #.
3251 * graphite-poly.h (pbb_bb): New.
3252 (pbb_index): Use pbb_bb.
3253 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3255 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3257 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3259 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3260 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3261 and 0 instead of 1 for dw_val_class_flag.
3262 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3263 dw_val_class_range_list, dw_val_class_loc_list,
3264 dw_val_class_lineptr and dw_val_class_macptr, use
3265 DW_FORM_flag_present for dw_val_class_flag and
3266 DW_FORM_exprloc for dw_val_class_loc.
3267 (output_die): For -gdwarf-4 print dw_val_class_loc
3268 size as uleb128 instead of 1 or 2 bytes and don't print
3269 anything for dw_val_class_flag.
3271 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3272 instead of cselib_lookup following by tweaking locs->setting_insn.
3275 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3276 even before returning from label, setjmp call or volatile asm
3279 2010-03-31 Richard Guenther <rguenther@suse.de>
3282 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3283 temporary data on stack.
3285 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3287 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3288 (PUSHSECTION_ASM_OP): Remove.
3289 (POPSECTION_ASM_OP): Remove.
3290 (PUSHSECTION_FORMAT): Remove.
3291 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3292 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3293 * config/sol2.c (solaris_output_init_fini): Use it.
3295 2010-03-31 Jie Zhang <jie@codesourcery.com>
3298 * opt-functions.awk (var_type_struct): Use signed char type
3299 for simple variables.
3301 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3303 * config/sol2.c: Include output.h.
3304 (solaris_assemble_visibility): New function.
3305 * config/t-sol2 (sol2.o): Add output.h dependency.
3306 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3307 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3310 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3313 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3314 V2SImode or XFmode on PRE_DEC.
3317 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3320 2010-03-31 Jie Zhang <jie@codesourcery.com>
3323 * reload.h (caller_save_initialized_p): Declare.
3324 * toplev.c (backend_init_target): Don't call
3325 init_caller_save but set caller_save_initialized_p to false.
3326 * caller-save.c (caller_save_initialized_p): Define.
3327 (init_caller_save): Check caller_save_initialized_p.
3328 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3330 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3333 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3334 and soft-fp/t-softfp to tmake_file.
3335 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3336 (LIBGCC2_TF_CEXT): Define.
3339 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3342 * cselib.c (n_useless_values): Document handling of debug locs.
3343 (n_useless_debug_values, n_debug_values): New variables.
3344 (new_elt_loc_list): Don't add to debug values, keep count.
3345 (promote_debug_loc): New.
3346 (cselib_reset_table): Zero new variables.
3347 (entry_and_rtx_equal_p): Promote debug locs.
3348 (discard_useless_locs): Increment n_useless_debug_values for
3350 (remove_useless_values): Adjust n_useless_values and n_debug_values
3351 with n_useless_debug_values.
3352 (add_mem_for_addr): Promote debug locs.
3353 (cselib_lookup_mem): Likewise.
3354 (cselib_lookup_addr): Renamed to...
3355 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3356 (cselib_log_lookup): ... this. Turn into...
3357 (cselib_lookup_addr): ... new wrapper.
3358 (cselib_lookup_from_insn): New.
3359 (cselib_invalidate_regno): Increment n_useless_debug_values for
3361 (cselib_invalidate_mem): Likewise.
3362 (cselib_process_insn): Take n_deleted and n_debug_values into
3363 account to guard remove_useless_value call.
3364 (cselib_finish): Zero n_useless_debug_values.
3365 * cselib.h (cselib_lookup_from_insn): Declare.
3366 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3367 (sched_analyze_2): Likewise.
3369 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3371 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3373 (adjust_mems): Replace narrowing SUBREG of expression containing
3374 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3375 with operations in the narrower mode.
3378 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3379 regs_invalidated_by_call instead all call_used_reg_set registers.
3381 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3384 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3385 pointer comparisons with types_compatible_p.
3386 * tree-vect-stmts.c (vectorizable_call): Same.
3387 (vectorizable_condition): Same.
3389 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3391 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3392 stack check if the mask would be zero.
3394 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3395 Jack Howarth <howarth@bromo.med.uc.edu>
3397 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3400 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3403 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3405 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3406 Include ___unordxf2 and ___unordtf2.
3407 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3410 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3412 * config/lm32/t-lm32: New file.
3413 * config.gcc: Use the above file when targetting lm32.
3415 2010-03-28 Duncan Sands <baldrick@free.fr>
3417 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3419 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3422 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3423 Improve vectorization cost model diagnostic.
3425 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3428 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3429 compute_data_dependences_for_loop returns false, early exit
3430 and output an extra diagnostic for the failed data reference
3433 2010-03-29 Richard Guenther <rguenther@suse.de>
3435 PR tree-optimization/43560
3436 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3437 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3439 2010-03-29 Jie Zhang <jie@codesourcery.com>
3442 * toplev.c (process_options): Set optimization_default_node
3443 and optimization_current_node.
3444 * opts.c (decode_options): Don't set optimization_default_node
3445 and optimization_current_node.
3447 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3449 * config/rtems.h: Abandon -qrtems_debug.
3451 2010-03-28 Jan Hubicka <jh@suse.cz>
3453 PR tree-optimization/43505
3454 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3455 map should not be copied.
3457 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3460 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3461 cdtors, set DECL_PRESERVE_P.
3462 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3465 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3467 PR tree-optimization/43528
3468 * stor-layout.c (place_field): Check that constant fits into
3469 unsigned HWI when skipping calculation of MS bitfield layout.
3471 2010-03-27 Jan Hubicka <jh@suse.cz>
3474 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3475 notice_global_symbol work.
3477 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3479 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3480 instead of dwarf2out_decl.
3481 (struct var_loc_node): Remove section_label field.
3482 (dwarf2out_function_decl): New function.
3483 (dwarf2out_var_location): Don't set section_label field.
3484 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3486 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3488 PR tree-optimization/43544
3489 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3490 First argument for builtin vectorized function hook is now a
3491 tree to be able to distinguish between machine specific and
3493 * targhooks.c (default_builtin_vectorized_function): Ditto.
3494 * targhooks.h (default_builtin_vectorized_function): Ditto.
3495 * target.h (struct gcc_target): Ditto.
3496 * tree-vect-stmts.c (vectorizable_function): Ditto.
3497 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3498 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3501 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3504 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3505 nested binding iff it is a FUNCTION_DECL.
3506 (store_parm_decls_newstyle): Pass nested=true to bind for
3507 FUNCTION_DECLs amongst parameters.
3509 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3511 * var-tracking.c (vt_expand_loc_callback): Don't run
3512 cselib_expand_value_rtx_cb in dummy mode if
3513 cselib_dummy_expand_value_rtx_cb returned false.
3515 * var-tracking.c (emit_note_insn_var_location): For one part
3516 notes with offset 0, don't add EXPR_LIST around the location.
3517 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3518 add_location_or_const_value_attribute): Adjust for that change.
3521 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3522 into first operand and location into second.
3523 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3524 dw_cfi_oprnd_loc for DW_CFA_expression.
3525 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3526 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3527 assume first argument is regnum and second argument is location.
3529 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3532 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3533 of scratch register to DImode. Split to DImode comparison operator.
3534 Use SImode subreg of scratch register in the multiplication.
3535 (*cmp_sadd_sidi): Ditto.
3536 (*cmp_ssub_si): Ditto.
3537 (*cmp_ssub_sidi): Ditto.
3539 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3542 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3543 Remove invalid assert and wrong comment.
3545 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3548 * flags.h (final_insns_dump_p): New extern.
3549 * final.c (final_insns_dump_p): New variable.
3550 (rest_of_clean_state): Set it before -fdump-final-insns=
3551 dumping, clear afterwards.
3552 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3553 MEM_ALIAS_SET on MEMs.
3555 2010-03-26 David S. Miller <davem@davemloft.net>
3557 * configure.ac: Fix sparc GOTDATA_OP bug check.
3558 * configure: Rebuild.
3560 2010-03-26 Alan Modra <amodra@gmail.com>
3562 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3564 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3566 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3567 TLS_SECTION_ASM_FLAG.
3569 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3572 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3573 Clear first_function_block_is_cold.
3576 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3577 argument if the argument is truth_value_p.
3579 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3581 * config/rs6000/constraints.md: Update copyright year for my changes.
3584 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3585 used in reg+reg addressing, swap registers.
3587 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3590 * target.h (struct gcc_target): Add code_end hook.
3591 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3593 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3594 * toplev.c (compile_file): Call targetm.asm_out.code_end
3595 hook before unwind info/debug info output.
3596 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3597 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3598 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3599 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3600 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3601 * config/i386/i386.c (ix86_file_end): Renamed to...
3602 (ix86_code_end): ... this. Make static. Don't call
3603 file_end_indicate_exec_stack. Emit unwind info using
3604 final_start_function/final_end_function.
3605 (darwin_x86_file_end): Remove.
3606 (TARGET_ASM_CODE_END): Define.
3607 * config/i386/i386.h (TARGET_ASM_FILE_END,
3608 NEED_INDICATE_EXEC_STACK): Don't define.
3609 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3610 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3611 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3612 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3615 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3616 at the beginning and final_end_function at the end.
3617 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3619 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3621 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3622 and Sun as TLS syntax.
3623 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3624 * configure: Regenerate.
3625 * config.in: Regenerate.
3626 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3627 (default_elf_asm_named_section): Use it.
3628 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3629 (i386_output_dwarf_dtprel): Likewise.
3630 (output_addr_const_extra): Likewise.
3631 (output_pic_addr_const): Lowercase @GOTTPOFF.
3632 (output_addr_const_extra): Likewise.
3633 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3634 (output_addr_const_extra): Likewise.
3635 (output_pic_addr_const): Lowercase @INDNTPOFF.
3636 (output_addr_const_extra): Likewise.
3637 (output_pic_addr_const): Lowercase @NTPOFF.
3638 (output_addr_const_extra): Likewise.
3639 (output_pic_addr_const): Lowercase @TPOFF.
3640 (output_addr_const_extra): Likewise.
3641 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3642 (*tls_global_dynamic_64): Likewise.
3643 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3644 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3646 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3647 (ASM_OUTPUT_TLS_COMMON): Use it.
3648 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3651 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3652 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3653 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3654 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3655 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3656 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3658 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3660 * config/i386/i386.c (override_options): Don't accept
3661 -mtls-dialect=sun any longer.
3662 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3663 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3664 (*tls_local_dynamic_base_32_sun): Likewise.
3665 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3667 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3670 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3671 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3674 * ira.c (adjust_cleared_regs): New function.
3675 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3679 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3681 * expr.c (expand_expr_real): Restore previous
3682 curr_insn_source_location and curr_insn_block after
3683 expand_expr_real_1 call.
3684 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3685 instead of expand_expr_real_1.
3687 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3689 PR rtl-optimization/43413
3690 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3693 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3696 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3697 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3699 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3701 * config/i386/i386.c (ix86_target_string): Add -mfma.
3702 Fix a typo in comment.
3704 2010-03-22 Mike Stump <mikestump@comcast.net>
3707 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3708 Don't overly align based upon packed packed fields.
3710 2010-03-22 Jason Merrill <jason@redhat.com>
3712 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3713 Use () rather than [], and move before the element type.
3715 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3717 * doc/configfiles.texi (Configuration Files): Removed
3718 fixinc/Makefile*, intl/Makefile.*.
3719 * doc/makefile.texi: Fixed markup. Abstract from version
3720 control system used.
3721 (Makefile): Removed obsolete gcc/java/parse.y example.
3722 * doc/sourcebuild.texi: Likewise.
3723 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3724 libgomp, libssp. Removed fastjar.
3725 (Miscellaneous Docs): Clarify location.
3726 Added COPYING3, COPYING3.LIB.
3727 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3729 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3732 * config/i386/i386.c (x86_function_profiler)
3733 [!NO_PROFILE_COUNTERS]: Fix typo.
3734 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3737 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3738 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3740 * doc/sourcebuild.texi (Test Directives): Split into six
3741 subsections, with most of the current text in new subsections
3742 Directives, Selectors, and Final Actions.
3743 (Directives): Split list of test directives into multiple
3745 (Selectors): Describe use and syntax of selectors.
3746 (Effective-Target Keywords): Describe all existing keywords.
3747 (Add Options): Describe features for dg-add-options.
3748 (Require Support): Describe variants of dg-require-support.
3749 (Final Actions): Describe commands to use in dg-final.
3751 2010-03-22 Michael Matz <matz@suse.de>
3754 * recog.c (validate_replace_rtx_group): Replace also in
3755 REG_EQUAL and REG_EQUIV notes.
3757 2010-03-22 Richard Guenther <rguenther@suse.de>
3759 PR tree-optimization/43390
3760 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3761 sure vector extracts are type correct.
3763 2010-03-22 Richard Guenther <rguenther@suse.de>
3766 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3767 x * sqrt (x) even when optimizing for size if the target
3768 has native support for sqrt.
3770 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3772 * varasm.c (make_decl_rtl_for_debug): Also clear
3773 flag_mudflap for the duration of make_decl_rtl call.
3776 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3777 locs from preserved VALUEs.
3779 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3782 * pa.md (movmemsi): Set align to one if zero.
3783 (movmemdi): Likewise.
3785 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3788 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3789 with their corresponding prologue pushes.
3791 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3794 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3795 at the begining or end.
3796 (spu_expand_epilogue): Likewise.
3798 2010-03-20 Richard Guenther <rguenther@suse.de>
3800 PR rtl-optimization/43438
3801 * combine.c (make_extraction): Properly zero-/sign-extend an
3802 extraction of the low part of a CONST_INT. Also handle
3805 2010-03-19 Mike Stump <mikestump@comcast.net>
3807 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3808 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3809 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3811 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3814 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3817 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3819 PR rtl-optimization/42258
3820 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3821 use that may match DEF.
3824 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3825 the cost of loading the constant rather than assuming
3827 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3828 outer code is AND, do the same tests as the andsi3 expander and
3829 return COSTS_N_INSNS (1) if and is cheap.
3831 * optabs.c (avoid_expensive_constant): Fix formatting.
3833 2010-03-19 Michael Matz <matz@suse.de>
3836 * attribs.c (decl_attributes): When rebuilding a function pointer
3837 type use the same qualifiers as the original pointer type.
3839 2010-03-19 Martin Jambor <mjambor@suse.cz>
3841 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3842 and is_gimple_ip_invariant_address.
3844 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3847 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3849 * config/arm/arm.c (arm_override_options): Turn off
3850 flag_dwarf2_cfi_asm for AAPCS variants.
3852 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3855 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3856 Use PRE_MODIFY instead of PRE_DEC.
3857 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3858 (vfp_emit_fstmd): Likewise.
3860 2010-03-19 Michael Matz <matz@suse.de>
3863 * builtins.c (expand_builtin_interclass_mathfn,
3864 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3867 2010-03-19 Richard Guenther <rguenther@suse.de>
3869 PR tree-optimization/43415
3870 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3871 (phi_translate_1): ... this.
3872 (phi_translate): Move all caching here. Cache all NARY
3873 and REFERENCE translations.
3875 2010-03-19 David S. Miller <davem@davemloft.net>
3877 With help from Eric Botcazou.
3878 * config/sparc/sparc.c: Include dwarf2out.h.
3879 (emit_pic_helper): Delete.
3880 (pic_helper_symbol_name): Delete.
3881 (pic_helper_emitted_p): Delete.
3882 (pic_helper_needed): New.
3883 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3884 (get_pc_thunk_name): New.
3885 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3886 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3887 Set pic_helper_needed to true. Don't call emit_pic_helper.
3888 (sparc_expand_prologue): Update load_pic_register call.
3889 (sparc_output_mi_thunk): Likewise.
3890 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3891 thunk if possible. Output CFI information as needed.
3893 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3894 Jack Howarth <howarth@bromo.med.uc.edu>
3897 * config/i386/i386.h: Fix ABI on darwin x86-32.
3899 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3901 * tree.h: Declare make_decl_rtl_for_debug.
3902 * varasm.c (make_decl_rtl_for_debug): New.
3903 * dwarf2out.c (rtl_for_decl_location): Call it.
3904 * cfgexpand.c (expand_debug_expr): Call it.
3906 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3909 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3913 * var-tracking.c (vt_init_cfa_base): Do nothing if
3914 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3916 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3919 * var-tracking.c (canonicalize_vars_star): New.
3920 (dataflow_post_merge_adjust): Use it.
3922 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3925 * var-tracking.c (non_suitable_const): New function.
3926 (add_uses): For DEBUG_INSNs with constants, don't record any
3927 value, instead just the constant value itself.
3928 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3929 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3930 (emit_notes_in_bb): Likewise.
3931 (emit_note_insn_var_location): For onepart variables if
3932 cur_loc is a VOIDmode constant, use DECL_MODE.
3934 2010-03-18 Martin Jambor <mjambor@suse.cz>
3937 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3938 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3939 all non-clones. Moved call redirection...
3940 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3941 (cgraph_materialize_all_clones): Dispose of all
3942 combined_args_to_skip bitmaps.
3943 (verify_cgraph_node): Do not check for edges pointing to wrong
3944 nodes in inline clones.
3945 * tree-inline.c (copy_bb): Call
3946 cgraph_redirect_edge_call_stmt_to_callee.
3947 * ipa.c (cgraph_remove_unreachable_nodes): Call
3948 cgraph_node_remove_callees even when there are used clones.
3950 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3952 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3954 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3957 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3960 2010-03-18 Michael Matz <matz@suse.de>
3963 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3964 into sqrt(x) if we need to preserve signed zeros.
3966 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3967 Eric Botcazou <ebotcazou@adacore.com>
3969 PR rtl-optimization/43360
3970 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3971 note if we don't know its invariant status.
3973 2010-03-18 Michael Matz <matz@suse.de>
3975 PR tree-optimization/43402
3976 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3977 PHI chains of ssa names registered for update.
3979 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3982 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3983 non-offsettable and pre_modify update addressing.
3984 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3985 and "2" alternatives "#".
3986 (*movdd_softfloat32): Make all alternatives "#";
3987 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3988 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3989 (*movdf_softfloat32): Make all alternatives "#";
3990 (movdi): Use the new DIFD mode iterator to create a common splitter
3991 for movdi, movdf and movdd patterns.
3993 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3995 * common.opt (dumpdir): Remove redundant tab.
3997 2010-03-17 Martin Jambor <mjambor@suse.cz>
3999 PR tree-optimization/43347
4000 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4001 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4003 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4005 PR rtl-optimization/42216
4006 * regrename.c (create_new_chain): New function, broken out from...
4007 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4008 appending a use to an empty chain.
4009 (build_def_use): Remove previous changes that convert OP_INOUT to
4010 OP_OUT operands; instead detect the case where an OP_INOUT operand
4011 uses a previously untracked register and create an empty chain for it.
4013 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4015 * doc/extend.texi (Function Attributes): Rewrite unfinished
4016 sentence in ms_abi documentation.
4018 2010-03-17 Alan Modra <amodra@gmail.com>
4020 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4021 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4022 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4023 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4025 2010-03-16 Richard Henderson <rth@redhat.com>
4028 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4029 (lower_try_finally): Save and restore eh_seq around the expansion
4032 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4034 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4035 statements before splitting block.
4037 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4039 * doc/sourcebuild.texi (Testsuites): Fix markup.
4040 Use pathnames relative to gcc/testsuite.
4041 (Test Directives): Move description of how timeout is determined.
4042 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4043 (C Tests): Correct gcc.misc-tests directory.
4044 Framework tests now live in gcc.test-framework.
4046 2010-03-16 Richard Guenther <rguenther@suse.de>
4049 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4050 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4052 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4053 Alexandre Oliva <aoliva@redhat.com>
4055 PR tree-optimization/42917
4056 * lambda-code.c (remove_iv): Skip debug statements.
4057 (lambda_loopnest_to_gcc_loopnest): Likewise.
4058 (not_interesting_stmt): Debug statements are not interesting.
4060 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4064 * cselib.c (cselib_preserve_constants,
4065 cfa_base_preserved_val): New static variables.
4066 (preserve_only_constants): New function.
4067 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4068 clear its REG_VALUES. If cselib_preserve_constants, don't
4069 empty the whole hash table, but preserve there VALUEs with constants,
4070 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4071 (cselib_preserve_cfa_base_value): New function.
4072 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4073 (cselib_init): Change argument to int bitfield. Set
4074 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4076 (cselib_finish): Clear cselib_preserve_constants and
4077 cfa_base_preserved_val.
4078 * cselib.h (enum cselib_record_what): New enum.
4079 (cselib_init): Change argument to int.
4080 (cselib_preserve_cfa_base_value): New prototype.
4081 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4082 * dse.c (dse_step1): Likewise.
4083 * cfgcleanup.c (thread_jump): Likewise.
4084 * sched-deps.c (sched_analyze): Likewise.
4085 * gcse.c (local_cprop_pass): Likewise.
4086 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4087 If FN is non-NULL, call the callback always and whenever it returns
4088 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4089 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4090 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4091 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4092 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4093 * var-tracking.c: Include recog.h.
4094 (bb_stack_adjust_offset): Remove.
4095 (vt_stack_adjustments): Don't call it, instead just gather the
4096 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4097 (adjust_stack_reference): Remove.
4098 (compute_cfa_pointer): New function.
4099 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4100 (struct adjust_mem_data): New type.
4101 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4103 (get_address_mode): New function.
4104 (replace_expr_with_values): Use it.
4105 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4106 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4107 (adjust_sets): Remove.
4108 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4109 Use get_address_mode.
4110 (get_adjusted_src): Remove.
4111 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4112 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4113 (add_with_sets): Don't call adjust_sets.
4114 (fp_setter, vt_init_cfa_base): New functions.
4115 (vt_initialize): Change return type to bool. Move most of pool etc.
4116 initialization to the beginning of the function from end. Pass
4117 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4118 If !frame_pointer_needed, call vt_stack_adjustment before mos
4119 vector is filled, call vt_init_cfa_base if argp/framep has been
4120 eliminated to sp. If frame_pointer_needed and argp/framep has
4121 been eliminated to hard frame pointer, set
4122 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4123 encountering fp setter in the prologue. For MO_ADJUST, call
4124 log_op_type before pusing the op into mos vector, not afterwards.
4125 Call adjust_insn before cselib_process_insn/add_with_sets,
4126 call cancel_changes (0) afterwards.
4127 (variable_tracking_main_1): Adjust for vt_initialize calling
4128 vt_stack_adjustments and returning whether it succeeded or not.
4130 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4132 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4135 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4137 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4139 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4140 drap_reg has not been set.
4142 2010-03-15 Michael Matz <matz@suse.de>
4145 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4146 use it to expand block copies.
4147 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4148 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4149 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4151 2010-03-15 Richard Guenther <rguenther@suse.de>
4153 PR tree-optimization/43367
4154 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4157 2010-03-15 Richard Guenther <rguenther@suse.de>
4159 PR tree-optimization/43317
4160 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4162 2010-03-15 Martin Jambor <mjambor@suse.cz>
4164 PR tree-optimization/43141
4165 * tree-sra.c (create_abstract_origin): New function.
4166 (modify_function): Call create_abstract_origin.
4168 2010-03-15 Chris Demetriou <cgd@google.com>
4170 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4173 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4176 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4177 call insert_out_of_ssa_copy for default definitions.
4179 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4181 * graphite-clast-to-gimple.c (my_long_long): Defined.
4182 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4183 * graphite-sese-to-poly.c (my_long_long): Defined.
4184 (scop_ivs_can_be_represented): Use it.
4186 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4188 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4189 graphite-max-bbs-per-function, and loop-block-tile-size.
4190 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4192 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4194 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4196 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4197 forward declaration.
4198 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4199 (add_upper_bounds_from_estimated_nit): New.
4200 (build_loop_iteration_domains): Use it.
4202 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4204 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4206 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4209 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4210 should be an INTEGER_CST. Also handle CASE_CONVERT.
4212 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4214 * graphite.c (graphite_initialize): To bound the number of bbs per
4215 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4216 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4217 * doc/invoke.texi: Document it.
4219 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4221 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4222 * graphite-sese-to-poly.h (build_poly_scop): Same.
4224 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4226 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4227 the number of parameters in the scop. Use as an upper bound
4228 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4229 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4230 * doc/invoke.texi: Document it.
4232 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4234 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4235 * doc/c-tree.texi: Remove.
4236 * doc/generic.texi: Merge c-tree.texi here.
4237 * doc/gccint.texi (Trees): Remove menu entry.
4238 (c-tree.texi): Remove @include.
4239 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4240 * doc/languages.texi (Reading RTL): Ditto.
4242 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4245 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4247 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4250 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4251 code added to work around reload clobbering CONST insns.
4253 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4255 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4256 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4257 (cselib_preserve_only_values): Remove retain argument, don't
4258 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4259 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4260 * var-tracking.c (micro_operation): Move insn field before union.
4261 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4262 (struct variable_tracking_info_def): Remove n_mos field, change
4263 mos into a vector of micro_operations.
4264 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4265 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4266 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4267 changing into a vector.
4268 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4269 come before all other uops generated by add_stores.
4270 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4272 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4273 a vector. Run just one pass over the bbs instead of separate counting
4274 and computation phase.
4275 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4278 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4279 into *nonlocalized_list vector.
4280 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4281 even if origin is non-NULL.
4282 (gen_variable_die): Likewise.
4283 (process_scope_var): Don't change origin.
4284 (gen_decl_die): Likewise.
4285 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4286 before adding new edges instead of after it, fix moving over
4289 2010-03-11 David S. Miller <davem@davemloft.net>
4291 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4293 * configure: Rebuild.
4295 2010-03-11 Martin Jambor <mjambor@suse.cz>
4297 PR tree-optimization/43257
4298 * tree.c (assign_assembler_name_if_neeeded): New function.
4299 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4301 * tree.h (assign_assembler_name_if_neeeded): Declare.
4302 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4303 the function if needed.
4305 2010-03-11 Chris Demetriou <cgd@google.com>
4307 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4308 include/stdint-gcc.h, and include/stdint.h world-readable.
4310 2010-03-11 Richard Guenther <rguenther@suse.de>
4312 PR tree-optimization/43255
4313 * tree-vrp.c (process_assert_insertions_for): Do not insert
4314 asserts for trivial conditions.
4316 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4318 PR tree-optimization/43280
4319 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4320 generation. Move calculation of size out of the if branch.
4321 (find_bswap): Modify compare number generation.
4323 2010-03-11 Richard Guenther <rguenther@suse.de>
4326 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4327 (input_gimple_stmt): Fixup handled component types during
4328 operand read. Also fix up decls in ADDR_EXPRs.
4330 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4332 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4333 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4335 2010-03-10 Jan Hubicka <jh@suse.cz>
4338 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4339 * varasm.c (get_variable_section): Don't do that here...
4340 (make_decl_rtl): ... and here.
4341 (do_assemble_alias): Produce decl RTL.
4342 (assemble_alias): Likewise.
4344 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4347 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4348 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4350 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4351 (based_loc_descr): Only express drap or vdrap regno based expressions
4352 using DW_OP_fbreg when not optimizing.
4353 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4354 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4355 REG_CFA_SET_VDRAP note.
4357 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4359 PR tree-optimization/43236
4360 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4361 error in calculation of base address in reverse iteration case.
4362 (generate_builtin): Take number of latch executions if the statement
4365 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4368 * tree-eh.c: Include pointer-set.h.
4369 (lower_eh_dispatch): Filter out duplicate case labels and
4370 remove the unneeded edge when the label is unused. Return
4371 true when some edges are removed.
4372 (execute_lower_eh_dispatch): When any lowering resulted in
4373 removing an edge, also delete unreachable blocks.
4375 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4378 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4379 UNSPEC_MACHOPIC_OFFSET.
4381 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4384 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4385 (m68k_delegitimize_address): New function.
4387 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4390 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4393 * var-tracking.c (adjust_sets): New function.
4394 (count_with_sets, add_with_sets): Use it.
4395 (get_adjusted_src): New inline function.
4396 (add_stores): Use it.
4399 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4400 call cselib_dummy_expand_value_rtx_cb instead of
4401 cselib_expand_value_rtx_cb.
4404 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4405 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4406 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4407 and .cfi_endproc around the pic thunks.
4408 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4409 all queued unwind info register saves are saved before the call.
4410 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4411 considered as sp-=4 for unwind info and the pop as sp+=4 which
4412 also clobbers dest, but doesn't actually restore it.
4415 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4416 RTX_FRAME_RELATED_P.
4418 2010-03-09 Jie Zhang <jie@codesourcery.com>
4420 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4421 whitespaces in output template.
4423 2010-03-09 Jie Zhang <jie@codesourcery.com>
4425 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4428 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4430 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4431 builtins.exp in a separate job.
4433 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4435 * graphite-sese-to-poly.c (add_param_constraints): Use
4436 lower_bound_in_type and upper_bound_in_type.
4438 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4440 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4441 instead of unsigned_type_node.
4443 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4444 Reza Yazdani <reza.yazdani@amd.com>
4447 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4448 on pointer type parameters.
4450 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4454 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4455 handle conversions from pointer to integers.
4456 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4457 induction variable, to be able to work with code generated by CLooG.
4458 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4459 (build_poly_scop): Bail out if we cannot codegen a loop.
4461 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4463 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4464 code generation with gloog_error.
4466 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4468 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4469 Call fold_convert on all the returned values.
4470 (expand_scalar_variables_expr): Pass to
4471 expand_scalar_variables_ssa_name the type of the resulting expression.
4473 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4475 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4476 ppl_min_for_le_pointset.
4477 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4478 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4480 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4482 * graphite-dependences.c (map_into_dep_poly): Removed.
4483 (dependence_polyhedron_1): Use combine_context_id_scat.
4485 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4487 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4488 (struct poly_bb): Same.
4489 (combine_context_id_scat): New.
4491 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4494 * sese.c (name_defined_in_loop_p): Return false for default
4497 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4499 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4500 and clean up the logic.
4502 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4504 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4507 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4509 * var-tracking.c (remove_cselib_value_chains): Define only for
4511 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4512 delete_slot_part, emit_notes_for_differences_1): Don't call
4513 remove_cselib_value_chains here.
4514 (set_slot_part, emit_notes_for_differences_2): Don't call
4515 add_cselib_value_chains here.
4516 (preserved_values): New vector.
4517 (preserve_value): New function.
4518 (add_uses, add_stores, vt_add_function_parameters): Use it
4519 instead of cselib_preserve_value.
4520 (changed_values_stack): New vector.
4521 (check_changed_vars_0): New function.
4522 (check_changed_vars_1, check_changed_vars_2): Use it.
4523 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4524 changed_values_stack VALUEs.
4525 (vt_emit_notes): For all preserved_values call
4526 add_cselib_value_chains. If ENABLE_CHECKING call
4527 remove_cselib_value_chains before verifying value_chains is empty.
4528 Initialize and free changed_values_stack.
4529 (vt_initialize): Initialize preserved_values.
4530 (vt_finalize): Free preserved_values.
4532 2010-03-08 Richard Guenther <rguenther@suse.de>
4534 PR tree-optimization/43269
4535 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4538 2010-03-08 Martin Jambor <mjambor@suse.cz>
4540 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4541 (ipa_is_param_called): Removed.
4542 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4543 (ipa_print_node_params): Do not print the called flag.
4544 (ipa_write_node_info): Do not stream the called flag.
4545 (ipa_read_node_info): Likewise.
4547 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4550 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4551 * cselib.c (struct expand_value_data): Add dummy field.
4552 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4554 (cselib_dummy_expand_value_rtx_cb): New function.
4555 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4557 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4558 * var-tracking.c: Include pointer-set.h.
4559 (variable): Change n_var_parts to char from int. Add
4560 cur_loc_changed and in_changed_variables fields.
4561 (variable_canonicalize): Remove.
4562 (shared_var_p): New inline function.
4563 (unshare_variable): Maintain cur_loc_changed and
4564 in_changed_variables fields. If var was in changed_variables,
4565 replace it there with new_var. Just copy cur_loc instead of
4566 resetting it to something else.
4567 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4568 (dataflow_set_union): Don't call variable_canonicalize.
4569 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4570 of their DEBUG_EXPR_TREE_DECLs.
4571 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4572 and in_changed_variables and cur_loc_changed is false.
4573 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4574 and cur_loc_changed. Don't update cur_loc here.
4575 (variable_merge_over_src): Don't call variable_canonicalize.
4576 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4577 removing loc that is equal to cur_loc, clear cur_loc,
4578 set cur_loc_changed and ensure variable_was_changed is called.
4579 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4580 compare pointers in cur_loc check, if it is equal to loc,
4581 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4582 (variable_different_p): Remove compare_current_location argument,
4583 don't compare cur_loc.
4584 (dataflow_set_different_1): Adjust variable_different_p caller.
4585 (variable_was_changed): If dv had some var in changed_variables
4586 already, reset in_changed_variables flag for it and propagate
4587 cur_loc_changed over to the new variable. On empty var
4588 always set cur_loc_changed. Set in_changed_variables on whatever
4589 var is added to changed_variables.
4590 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4591 Use shared_var_p. When removing loc that is equal to cur_loc,
4592 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4593 end, don't set it to something else, just call variable_was_changed.
4594 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4595 loc being removed, clear cur_loc and set cur_loc_changed.
4596 Set cur_loc_changed if all locations have been removed.
4597 (struct expand_loc_callback_data): New type.
4598 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4599 allocated. Always create SUBREGs if simplify_subreg failed.
4600 Prefer to use cur_loc, when that fails and still in
4601 changed_variables (and seen first time) recompute it. Set
4602 cur_loc_changed of variables which had to change cur_loc and
4603 compute elcd->cur_loc_changed if any of the subexpressions used
4604 had to change cur_loc.
4605 (vt_expand_loc): Adjust to pass arguments in
4606 expand_loc_callback_data structure.
4607 (vt_expand_loc_dummy): New function.
4608 (emitted_notes): New variable.
4609 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4610 that weren't used for any other decl in current
4611 emit_notes_for_changes call call vt_expand_loc_dummy to update
4612 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4613 first loc_chain location if NULL before. Always use just
4614 cur_loc instead of first loc_chain location. When cur_loc_changed
4615 is false, when not --enable-checking=rtl just don't emit any note.
4616 When rtl checking, compute the note and assert it is the same
4617 as previous note. Clear cur_loc_changed and in_changed_variables
4618 at the end before removing from changed_variables.
4619 (check_changed_vars_3): New function.
4620 (emit_notes_for_changes): Traverse changed_vars to call
4621 check_changed_vars_3 on each changed var.
4622 (emit_notes_for_differences_1): Clear cur_loc_changed and
4623 in_changed_variables. Recompute cur_loc of new_var.
4624 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4625 (vt_emit_notes): Initialize and destroy emitted_notes.
4627 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4629 PR rtl-optimization/42220
4630 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4631 Use verify_reg_tracked to determine if we should use OP_OUT rather
4633 (build_def_use): If we see an in-out operand for a register that we
4634 know nothing about, treat is an output if possible, fail the block if
4637 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4640 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4643 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4646 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4647 uses of relevant DEFs that are dead outside the loop too.
4649 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4651 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4653 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4655 * var-tracking.c (values_to_unmark): New variable.
4656 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4657 values_to_unmark vector. Moved body to...
4658 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4659 instead queue it into values_to_unmark vector.
4660 (vt_find_locations): Free values_to_unmark vector.
4662 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4664 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4665 (site.exp): Export them when plugins are enabled.
4667 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4670 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4672 (chrec_fold_multiply): Same.
4674 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4677 * c-decl.c (build_compound_literal): Return early if init is
4680 2010-03-04 Martin Jambor <mjambor@suse.cz>
4682 PR tree-optimization/43164
4683 PR tree-optimization/43191
4684 * tree-sra.c (type_consists_of_records_p): Reject records with
4685 zero-size bit-fields at the end.
4687 2010-03-04 Mike Stump <mikestump@comcast.net>
4689 * Makefile.in (TAGS): Remove *.y.
4691 2010-03-04 Richard Guenther <rguenther@suse.de>
4693 PR tree-optimization/40761
4694 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4696 (my_rev_post_order_compute): New function.
4697 (init_pre): Call it.
4699 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4702 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4703 decrease the cost of an IV candidate when the cost is infinite.
4705 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4707 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4708 Use '3DNow!' for the extension of that name, ensure normal space
4710 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4712 2010-03-03 Jeff Law <law@redhat.com>
4714 * PR middle-end/32693
4715 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4716 than gen_rtx_SUBREG.
4717 (extract_bit_field_1): Likewise.
4719 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4721 * doc/sourcebuild.texi (Test directives): Document that arguments
4722 include-opts and exclude-opts are now optional for dg-skip-if,
4723 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4725 2010-03-03 Jason Merrill <jason@redhat.com>
4728 * cgraph.h (varpool_node): Add extra_name field.
4729 * varpool.c (varpool_extra_name_alias): New.
4730 (varpool_assemble_decl): Emit extra name aliases.
4731 (varpool_mark_needed_node): Look past an extra name alias.
4732 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4733 * lto-streamer-in.c (lto_input_tree): Read it.
4734 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4736 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4738 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4739 (sparc*-*-solaris2*): ...this.
4741 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4744 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4745 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4746 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4747 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4750 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4751 fallthrough to default handling, just with want_address 0 instead of 2.
4752 For single element lists, add_AT_loc directly, otherwise create an
4753 artificial variable DIE and stick location list to it.
4756 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4757 (VAL_EXPR_HAS_REVERSE): Define.
4758 (reverse_op): New function.
4759 (add_stores): For reversible operations add an extra MO_VAL_USE.
4761 2010-03-02 Jason Merrill <jason@redhat.com>
4763 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4765 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4767 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4768 (sparc64-*-linux*): Likewise.
4769 (sparc64-*-solaris2*): Include assembler files before linker ones.
4770 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4771 * config/sparc/gas.h: Delete.
4772 * config/sparc/sol2-64.h: Add copyright notice.
4773 * config/sparc/sol2-gas-bi.h: Likewise.
4774 * config/sparc/sol2-gld.h: Likewise.
4775 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4776 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4777 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4778 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4779 (sparc_elf_asm_named_section): Rename into...
4780 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4782 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4784 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4786 2010-03-02 Jeff Law <law@redhat.com>
4789 * reload1.c (rtx_p, substitute_stack): Declare.
4790 (substitute): Record addresses of changed rtxs.
4791 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4792 Restore the original rtx when complete.
4793 (reload): Free subsitute_stack when complete.
4795 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4797 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4798 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4800 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4801 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4802 Torture Tests): Change from subsection to section.
4804 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4805 Steven Bosscher <steven@gcc.gnu.org>
4807 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4810 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4813 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4814 the assignment from the new induction variable to the assignment
4815 of the value from the original loop PHI function.
4817 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4818 Daniel Jacobowitz <dan@codesourcery.com>
4820 * doc/sourcebuild.texi (Test directives): Clarify options to
4823 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4825 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4826 Disable cfi directives unless GCC and gas agree on using read-only
4827 .eh_frame sections for 64-bit.
4828 * configure: Regenerate.
4830 2010-03-01 Richard Guenther <rguenther@suse.de>
4832 PR tree-optimization/43220
4833 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4834 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4836 2010-03-01 Richard Guenther <rguenther@suse.de>
4837 Martin Jambor <mjambor@suse.cz>
4840 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4841 gimplified parameters.
4843 2010-03-01 Christian Bruel <christian.bruel@st.com>
4845 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4847 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4849 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4851 2010-03-01 Richard Guenther <rguenther@suse.de>
4854 * expr.c (expand_assignment): Use the alias-oracle to tell
4855 if the rhs aliases the result decl.
4857 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4860 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4861 to sol_gt_pch_get_address.
4862 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4863 64-bit, SPARC and x86.
4864 (sol_gt_pch_get_address): New function.
4866 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4868 * toplev.h (inform_n, error_n): Declare.
4869 * diagnostic.c (inform_n, error_n): New function.
4871 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4873 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4874 has no rtl yet when processing local_decls, queue it and recheck
4875 if deferred stack allocation hasn't assigned it rtl.
4877 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4879 * config/sh/sh.c (unspec_bbr_uid): New.
4880 (gen_block_redirect): Use it instead of INSN_UID.
4881 (gen_far_branch): Likewise.
4883 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4885 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4886 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4888 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4890 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4891 (Warning Options): -Wno-conversion-null is valid for
4892 Objective-C++ as well.
4893 * doc/tm.texi (Named Address Spaces): Likewise.
4894 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4895 * doc/tree-ssa.texi (Tree SSA): Likewise.
4897 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4900 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4901 by default. Don't set the default arch for
4902 i[34567]86-*-darwin*|x86_64-*-darwin*.
4904 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4907 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4908 default. Set the default 32bit/64bit archs with $with_arch
4909 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4911 2010-02-27 Richard Guenther <rguenther@suse.de>
4913 PR tree-optimization/43186
4914 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4915 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4916 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4917 unroller iterations.
4919 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4921 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4922 required and i[34567]86-*-* targets don't support 64bit ISA.
4924 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4927 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4930 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4932 * config.gcc: Set the default arch at least to Prescott for
4933 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4934 if SSE math is enabled.
4936 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4938 * diagnostic.c (diagnostic_initialize): Update.
4939 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4941 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4942 (diagnostic_inhibit_notes): New.
4943 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4945 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4948 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4949 * doc/standards.texi: Likewise.
4950 * doc/extend.texi: Likewise.
4951 * doc/trouble.texi: Likewise.
4952 * doc/cppopts.texi: Likewise.
4953 * doc/install.texi: Likewise.
4954 * c.opt (std=c90,std=gnu90): New options.
4955 * c-opts.c (c_common_handle_option): Handle them.
4957 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4960 * c-decl.c (undeclared_variable): Use an informative note.
4962 2010-02-26 Richard Guenther <rguenther@suse.de>
4964 PR tree-optimization/43186
4965 * gimple.h (gimple_fold): Remove.
4966 * gimple.c (gimple_fold): Remove. Inline into single user ...
4967 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4968 Try harder for conditions.
4970 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4973 * function.c (used_types_insert): Don't skip through named pointer
4974 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4975 and it is different from the main variant's type.
4977 2010-02-26 Nick Clifton <nickc@redhat.com>
4979 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4981 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4983 * config.gcc: Support --with-fpmath=sse for x86.
4985 * config/i386/ssemath.h: New.
4987 * doc/install.texi (--with-fpmath=sse): Documented.
4989 2010-02-26 Richard Guenther <rguenther@suse.de>
4991 PR tree-optimization/43188
4992 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4993 vector types of over-aligned element type.
4995 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4998 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4999 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5001 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5003 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5005 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5007 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5008 * var-tracking.c: Include diagnostic.h.
5009 (debug_dv): New function.
5010 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5013 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5014 (add_value_chain, add_value_chains, remove_value_chain,
5015 remove_value_chains): Handle DEBUG_EXPRs.
5016 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5019 * regcprop.c (struct queued_debug_insn_change): New type.
5020 (struct value_data_entry): Add debug_insn_changes field.
5021 (struct value_data): Add n_debug_insn_changes field.
5022 (debug_insn_changes_pool): New variable.
5023 (free_debug_insn_changes, apply_debug_insn_changes,
5024 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5025 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5026 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5028 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5030 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5031 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5032 changes, call cprop_find_used_regs via note_stores.
5033 (copyprop_hardreg_forward): When copying vd from predecessor
5034 which has any queued DEBUG_INSN changes, make sure the pointers are
5035 cleared. At the end call df_analyze and then if there are any
5036 DEBUG_INSN changes queued at the end of some basic block for still
5037 live registers, apply them.
5038 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5040 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5042 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5045 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5047 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5048 targets. Set the default with_cpu/with_arch from arch/cpu.
5049 Allow x86-64 and native for with_cpu/with_arch.
5051 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5053 * ebitmap.c: Change calls to verify_popcount with calls to
5054 sbitmap_verify_popcount.
5055 (ebitmap_clear_bit): Fixed map->cacheindex test and
5056 map>cache update when bit clearing results in an empty
5059 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5062 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5063 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5064 and support both V2DF and V2DI modes.
5065 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5066 support both V2DF and V2DI modes.
5067 (general): Delete trailing whitespace from a few patterns.
5069 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5070 V2DF/V2DI interleave high/low builtins.
5072 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5075 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5076 interleave high/low functions.
5078 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5080 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5081 #pragma extern_prefix.
5083 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5086 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5087 BLKmode, assert op0 is a MEM and just adjust its mode.
5090 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5091 if bitpos isn't multiple of mode's bitsize.
5093 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5095 * c.opt (-ftemplate-depth=): New.
5096 (-ftemplate-depth-): Deprecate.
5097 * optc-gen.awk: Handle -ftemplate-depth=.
5098 * opth-gen.awk: Likewise.
5099 * c-opts.c (c_common_handle_option): Likewise.
5100 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5102 2010-02-24 Jason Merrill <jason@redhat.com>
5104 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5106 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5108 * cfg.c (alloc_aux_for_block): Remove inline.
5109 (alloc_aux_for_edge): Likewise.
5111 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5113 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5115 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5117 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5118 * config/i386/sol2-gas.h: New file.
5119 * config.gcc (i[34567]86-*-solaris2*): Use it.
5121 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5124 * c-typeck.c (ep_convert_and_check): New.
5125 (build_conditional_expr): Use it.
5126 (build_binary_op): Likewise.
5128 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5130 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5133 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5134 bounds even for -O+.
5135 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5136 expr needs to have DECL_NAME set.
5138 2010-02-24 Nick Clifton <nickc@redhat.com>
5140 * config/mep/mep.c: Include gimple.h.
5141 (mep_function_uses_sp): Delete unused function.
5142 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5143 parameters. Use unsigned integers to count args. Return a
5144 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5146 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5149 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5150 greater or equal to nelt instead of 2 * nelt.
5151 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5154 2010-02-23 Jason Merrill <jason@redhat.com>
5157 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5158 in cfun->local_decls even if they have register types.
5161 * stor-layout.c (place_field): Don't warn about unnecessary
5162 DECL_PACKED if the type is packed.
5164 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5167 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5168 GOTOFF relocs, even when the base reg isn't pic pointer.
5170 2010-02-23 Michael Matz <matz@suse.de>
5173 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5174 (expand_gimple_basic_block): Generate and use debug temps if there
5175 are debug uses left after the last real use of TERed ssa names.
5176 Unlink debug immediate uses when they are expanded.
5178 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5181 * config/i386/i386.c (override_options): Reorganise to provide
5182 better error messages.
5184 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5187 * graphite-scop-detection.c (create_single_exit_edge): Move
5188 the call to find_single_exit_edge to....
5189 (create_sese_edges): ...here. Don't handle multiple edges
5190 exiting the function.
5191 (build_graphite_scops): Don't handle multiple edges
5192 exiting the function.
5194 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5197 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5198 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5200 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5203 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5205 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5208 * c-typeck.c (convert_arguments): Print declaration location.
5209 * c-common.c (validate_nargs): Rename as
5210 builtin_function_validate_nargs.
5211 (check_builtin_function_arguments): Update.
5213 2010-02-22 Richard Guenther <rguenther@suse.de>
5216 * tree-inline.c (declare_return_variable): Use the type of
5217 the call stmt lhs if available.
5219 2010-02-22 Duncan Sands <baldrick@free.fr>
5221 * passes.c (register_pass): Always consider all pass lists when
5222 ref_pass_instance_number is zero.
5224 2010-02-22 Richard Guenther <rguenther@suse.de>
5226 PR tree-optimization/42749
5227 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5228 parameter. Do arithmetic in the original type.
5229 (update_accumulator_with_ops): Likewise.
5230 (adjust_accumulator_values): Adjust.
5232 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5234 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5235 (QI to BLKmode splitter): New splitter.
5237 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5239 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5240 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5242 2010-02-22 Richard Guenther <rguenther@suse.de>
5244 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5246 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5248 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5249 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5250 ($(T)crti.o, $(T)crtn.o): Remove rules.
5252 2010-02-21 Tobias Burnus <burnus@net-b.de>
5255 * doc/invoke.texi (-fassociative-math): Document that this
5256 option is automatically enabled for Fortran.
5258 2010-02-20 David S. Miller <davem@davemloft.net>
5260 * configure.ac: Test if linker and assembler properly support
5261 GOTDATA_OP relocations.
5262 * configure: Rebuild.
5263 * config.in: Likewise.
5264 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5265 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5266 (movsi_high_pic): Likewise.
5267 (movdi_lo_sum_pic): Likewise.
5268 (movdi_high_pic): Likewise.
5269 (movsi_pic_gotdata_op): New pattern.
5270 (movdi_pic_gotdata_op): Likewise.
5271 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5272 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5274 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5277 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5278 attribute to ssemul.
5279 (xop_mulv2div2di3_high): Ditto.
5281 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5284 * c.opt (Wconversion-null): New option.
5285 * doc/invoke.texi (Wconversion-null): Document.
5287 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5289 * common.opt (Wlarger-than-): Add Undocumented.
5291 2010-02-19 Mike Stump <mikestump@comcast.net>
5293 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5295 2010-02-19 Jason Merrill <jason@redhat.com>
5298 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5299 * configure: Likewise.
5301 2010-02-20 Alan Modra <amodra@gmail.com>
5304 * cgraph.h (cgraph_make_decl_local): Declare.
5305 * cgraph.c (cgraph_make_decl_local): New function.
5306 (cgraph_make_node_local): Use it.
5307 * cgraphunit.c (cgraph_function_versioning): Likewise.
5308 * ipa.c (function_and_variable_visibility): Likewise.
5310 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5313 * except.c (sjlj_emit_function_enter): Don't call
5314 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5316 * rtl.h (add_reg_br_prob_note): Remove prototype.
5318 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5321 * c-common.c (conversion_warning): Remove widening conversions
5322 before checking the conversion of integers to reals.
5324 2010-02-19 Mike Stump <mikestump@comcast.net>
5327 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5330 * cgraphunit.c (process_function_and_variable_attributes): Check
5331 DECL_PRESERVE_P instead of looking up attribute "used".
5332 * ipa-pure-const.c (check_decl): Likewise.
5333 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5334 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5335 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5336 instead of attribute "used".
5337 * config/sol2-c.c (solaris_pragma_init): Likewise.
5338 (solaris_pragma_fini): Likewise.
5340 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5342 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5343 Use XCNEW instead of xcalloc.
5344 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5345 XNEW instead of xmalloc.
5346 (get_fields): Use XNEWVEC instead of xmalloc.
5349 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5350 populate vars array.
5351 (create_new_general_access): For debug stmts just reset value.
5352 (get_stmt_accesses): For accesses within debug stmts just record them
5353 using add_access_to_acc_sites instead of preventing the peeling or
5354 counting them as accesses.
5357 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5359 2010-02-19 Richard Guenther <rguenther@suse.de>
5361 PR tree-optimization/42916
5362 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5365 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5367 * configure.ac: Replace all uses of changequote in macro arguments
5368 with proper quoting.
5370 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5373 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5375 2010-02-19 Richard Guenther <rguenther@suse.de>
5377 PR tree-optimization/42944
5378 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5379 test for aliasing with errno.
5381 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5384 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5385 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5386 * dojump.c: Include output.h.
5387 (inv): New inline function.
5388 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5389 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5390 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5391 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5392 argument, pass it down to other calls.
5393 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5394 add REG_BR_PROB note to the conditional jump.
5395 * cfgexpand.c (add_reg_br_prob_note): Removed.
5396 (expand_gimple_cond): Don't call it, add the probability
5397 as last argument to jumpif_1/jumpifnot_1.
5398 * Makefile.in (dojump.o): Depend on output.h.
5399 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5401 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5402 * stmt.c (do_jump_if_equal): Likewise.
5403 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5404 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5405 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5407 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5408 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5409 jumpifnot_1 callers.
5410 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5412 (store_expr): Adjust jumpifnot caller.
5413 (store_constructor): Adjust jumpif caller.
5416 * gimplify.c (gimple_boolify): For __builtin_expect call
5417 gimple_boolify also on its first argument.
5419 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5421 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5423 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5424 * configure: Regenerated.
5426 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5428 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5429 lang_hooks.types_compatible_p instead of comptypes.
5431 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5433 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5434 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5435 if __prefer_thumb__ is defined.
5437 2010-02-18 Martin Jambor <mjambor@suse.cz>
5439 PR tree-optimization/43066
5440 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5441 array with zero-sized element type.
5443 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5445 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5446 rtx, allocate struct var_loc_node here and return it to the
5447 caller, and only if it is actually needed.
5448 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5449 move it earlier and return immediately if it returns NULL.
5451 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5453 * config/sparc/gas.h: New file. Restore
5454 TARGET_ASM_NAMED_SECTION to its ELF default.
5455 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5457 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5458 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5459 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5460 after sparc/sysv4.h.
5462 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5464 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5466 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5468 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5469 patterns from predicated pattern.
5471 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5474 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5475 for insn mnemonic suffix.
5477 2010-02-17 Richard Guenther <rguenther@suse.de>
5479 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5482 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5485 * caller-save.c (save_call_clobbered_regs): If BB ends with
5486 a DEBUG_INSN, move any notes in between last real insn and the last
5487 DEBUG_INSN after the last DEBUG_INSN.
5489 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5491 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5492 Fix return type. Fix argument type. Explain meaning of return value.
5494 2010-02-16 Richard Guenther <rguenther@suse.de>
5496 PR tree-optimization/41043
5497 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5498 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5500 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5502 2010-02-16 Ira Rosen <irar@il.ibm.com>
5504 PR tree-optimization/43074
5505 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5506 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5507 vectorizable cycles in hybrid SLP check.
5508 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5510 2010-02-16 Richard Guenther <rguenther@suse.de>
5512 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5513 (true_dependence): If memrefs_conflict_p computes must-alias
5514 trust it. Move TBAA check after offset-based disambiguation.
5515 (canon_true_dependence): Likewise.
5517 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5519 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5520 * doc/invoke.texi: Document it.
5521 * var-tracking.c: Include toplev.h and params.h.
5522 (vt_find_locations): Return bool indicating success. Compute
5523 hash sizes unconditionally. Check new parameter, report.
5524 (variable_tracking_main_1): Check vt_find_locations results and
5525 retry. Renamed from...
5526 (variable_tracking_main): ... this. New wrapper to preserve
5527 flag_var_tracking_assignments.
5528 * Makefile.in (var-tracking.o): Adjust dependencies.
5530 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5531 Jakub Jelinek <jakub@redhat.com>
5534 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5535 if weak_import attribute is present.
5536 * config/darwin.c (machopic_select_section): Likewise.
5538 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5540 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5541 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5542 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5543 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5545 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5548 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5551 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5552 Rewrite text to refer to the names.
5554 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5556 * config/i386/i386-builtin-types.def
5557 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5558 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5559 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5560 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5561 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5562 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5563 IX86_BUILTIN_VPERMIL2PS256.
5564 (MULTI_ARG_4_DF2_DI_I): Defined.
5565 (MULTI_ARG_4_DF2_DI_I1): Defined.
5566 (MULTI_ARG_4_SF2_SI_I): Defined.
5567 (MULTI_ARG_4_SF2_SI_I1): Defined.
5568 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5569 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5570 __builtin_ia32_vpermil2ps256.
5571 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5572 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5573 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5574 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5575 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5576 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5577 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5578 CODE_FOR_xop_vpermil2v8sf3.
5579 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5580 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5581 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5582 (_mm256_permute2_pd): New.
5583 (_mm_permute2_ps): New.
5584 (_mm256_permute2_ps): New.
5586 2010-02-15 Nick Clifton <nickc@redhat.com>
5588 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5589 boolean parameters. Use emit_jump_insn when emitting a pop
5590 instruction containing a return insn.
5591 (push): Use 'true' rather than '1' as second parameter to F.
5592 (h8300_expand_prologue): Likewise.
5593 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5594 (h8300_expand_epilogue): Likewise.
5596 2010-02-15 Richard Guenther <rguenther@suse.de>
5599 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5602 2010-02-15 Nick Clifton <nickc@redhat.com>
5604 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5607 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5609 * intl.c (fake_ngettext): New function.
5610 * intl.h (fake_ngettext): Declare.
5611 (ngettext): Define macro.
5612 * collect2.c (notice_translated): New function.
5613 (main): Use notice_translated and ngettext.
5614 * collect2.h (notice_translated): Declare.
5616 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5618 * reorg.c (delete_computation): Comment fixes.
5619 * caller-save.c (setup_save_areas): Idem.
5620 * sel-sched-dump.c (dump_lv_set): Idem.
5623 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5625 * config/s390/s390.c (s390_sched_init): New function.
5626 (TARGET_SCHED_INIT): Target hook defined.
5628 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5629 Jack Howarth <howarth@bromo.med.uc.edu>
5630 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5633 Partial revert of unintended change in fix for PR41605.
5634 * config/darwin.h: Fix typo.
5635 * config/darwin9.h: Same.
5637 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5639 * c-pch.c (pch_init): Clear v.
5641 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5644 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5645 graphite_can_represent_init for MULT_EXPR.
5647 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5651 * graphite-sese-to-poly.c (remove_phi): New.
5652 (translate_scalar_reduction_to_array): Call remove_phi.
5654 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5657 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5658 * graphite-clast-to-gimple.h (gloog): Update declaration.
5659 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5660 * graphite-poly.h (struct poly_bb): Add missing comments.
5661 (struct scop): Add poly_scop_p field.
5663 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5664 * graphite.c (graphite_transform_loops): Build the polyhedral
5665 representation for each scop before code generation.
5666 * sese.c (rename_variables_in_operand): Removed.
5667 (rename_variables_in_expr): Return the renamed expression.
5668 (rename_sese_parameters): New.
5669 * sese.h (rename_sese_parameters): Declared.
5671 2010-02-11 Richard Guenther <rguenther@suse.de>
5673 PR tree-optimization/42998
5674 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5675 POINTER_PLUS_EXPR properly.
5677 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5678 Changpeng Fang <changpeng.fang@amd.com>
5681 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5682 the cost of an IV candidate when the IV is used in a test against zero.
5684 * gcc.dg/tree-ssa/ivopts-3.c: New.
5686 2010-02-11 Richard Guenther <rguenther@suse.de>
5689 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5690 pointer-vs-decl case by swapping refs. Handle some cases
5691 of pointer-vs-decl disambiguations more conservatively.
5692 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5693 to false after expanding.
5695 2010-02-11 Richard Guenther <rguenther@suse.de>
5698 * gcc.c (process_command): Handle LTO file@offset case more
5701 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5703 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5704 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5706 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5708 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5709 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5710 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5711 Optimize eq/ne comparisons when both arguments are known to be
5713 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5714 Don't mask operands unnecessarily if they are known to be already
5717 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5719 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5722 2010-02-10 Richard Guenther <rguenther@suse.de>
5724 PR tree-optimization/43017
5725 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5726 for wrapping signed arithmetic.
5728 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5731 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5732 if no debug info should be emitted for it.
5734 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5736 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5737 note when flag_exceptions is set.
5739 2010-02-10 Duncan Sands <baldrick@free.fr>
5741 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5743 2010-02-10 Richard Guenther <rguenther@suse.de>
5746 * tree.c (get_unwidened): Handle constants.
5747 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5749 2010-02-10 Martin Jambor <mjambor@suse.cz>
5752 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5753 check for variable argument counts independently.
5755 2010-02-10 Christian Bruel <christian.bruel@st.com>
5758 * config/sh/sh.c (find_barrier): Increase length for non delayed
5759 conditional branches.
5761 2010-02-10 Christian Bruel <christian.bruel@st.com>
5763 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5765 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5767 * builtins.c (set_builtin_user_assembler_name): Also handle
5768 ffs if int is smaller than word.
5770 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5773 * ira-conflicts.c (get_dup): Remove.
5774 (process_reg_shuffles): Add new parameter. Use it as an
5775 additional guard for copy generation.
5776 (add_insn_allocno_copies): Rewrite.
5778 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5780 * common.opt (fsched2-use-traces): Preserved for backward
5782 * doc/invoke.texi: Remove the documentation about option
5783 -fsched2-use-traces.
5784 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5785 flag_sched2_use_traces.
5786 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5787 the backward compatibility flag section.
5789 2010-02-09 Richard Guenther <rguenther@suse.de>
5791 PR tree-optimization/43008
5792 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5793 make HEAP variables initialized from global memory if they
5794 are not known builtin functions.
5795 (find_func_aliases): Adjust.
5797 2010-02-09 Richard Guenther <rguenther@suse.de>
5799 PR tree-optimization/43000
5800 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5801 arithmetic manually.
5803 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5805 PR tree-optimization/42931
5806 * tree-loop-linear.c (try_interchange_loops): Don't call
5807 double_int_mul if estimated_loop_iterations failed.
5809 2010-02-08 Martin Jambor <mjambor@suse.cz>
5812 * tree-sra.c (build_accesses_from_assign): Do not mark in
5813 should_scalarize_away_bitmap if stmt has volatile ops.
5814 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5817 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5819 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5821 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5823 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5826 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5829 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5831 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5834 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5835 to unknown_dependence.
5836 (graphite_legal_transform_dr): Handle the unknown_dependence.
5837 (graphite_carried_dependence_level_k): Same.
5839 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5841 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5843 2010-02-07 Richard Guenther <rguenther@suse.de>
5846 * expr.c (get_inner_reference): Always initialize *pbitsize.
5848 2010-02-07 Richard Guenther <rguenther@suse.de>
5851 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5852 new ARRAY_REFs on variable size element or minimal index arrays.
5854 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5855 gimple_fold_indirect_ref.
5857 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5860 * arm.c (arm_override_options): Just return if the user has specified
5861 an invalid fpu name.
5863 2010-02-03 Jason Merrill <jason@redhat.com>
5866 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5867 i386_pe_maybe_record_exported_symbol.
5869 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5872 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5873 (pa_delegitimize_address): New function.
5875 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5877 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5878 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5880 2010-02-05 Richard Guenther <rguenther@suse.de>
5883 * lto-streamer-in.c (get_resolution): Deal with references
5884 to undefined functions.
5886 2010-02-05 Richard Guenther <rguenther@suse.de>
5888 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5889 (fold_const_aggregate_ref): Likewise.
5890 (ccp_fold_stmt): Substitute loads.
5891 (maybe_fold_reference): Verify types before substituting.
5893 (fold_gimple_assign): Unshare properly.
5894 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5896 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5898 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5899 for rs6000_gen_cell_microcode.
5901 2010-02-04 Richard Guenther <rguenther@suse.de>
5903 PR rtl-optimization/42952
5904 * dse.c (const_or_frame_p): Remove MEM handling.
5906 2010-02-04 Nick Clifton <nickc@redhat.com>
5908 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5909 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5910 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5911 (mn10300_asm_output_mi_thunk): New function.
5912 (mn10300_can_output_mu_thunk): New function.
5913 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5914 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5915 (FUNCTION_ARG): Delete incorrect comment.
5917 2010-02-03 Jason Merrill <jason@redhat.com>
5920 * fold-const.c (operand_equal_p): Handle erroneous types.
5922 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5924 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5926 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5928 PR rtl-optimization/42941
5929 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5932 2010-02-03 Jason Merrill <jason@redhat.com>
5935 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5937 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5940 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5941 (cselib_reset_table): Renamed from...
5942 (cselib_reset_table_with_next_value): ... this.
5943 (cselib_get_next_uid): Renamed from...
5944 (cselib_get_next_unknown_value): ... this.
5945 * cselib.c (next_uid): Renamed from...
5946 (next_unknown_value): ... this.
5947 (cselib_clear_table): Adjust.
5948 (cselib_reset_table): Adjust. Renamed from...
5949 (cselib_reset_table_with_next_value): ... this.
5950 (cselib_get_next_uid): Adjust. Renamed from...
5951 (cselib_get_next_unknown_value): ... this.
5952 (get_value_hash): Use hash.
5953 (cselib_hash_rtx): Likewise.
5954 (new_cselib_val): Adjust. Set and dump uid.
5955 (cselib_lookup_mem): Pass next_uid as hash.
5956 (cselib_subst_to_values): Likewise.
5957 (cselib_log_lookup): Dump uid.
5958 (cselib_lookup): Pass next_uid as hash. Adjust.
5959 (cselib_process_insn): Adjust.
5960 (cselib_init): Initialize next_uid.
5961 (cselib_finish): Adjust.
5962 (dump_cselib_table): Likewise.
5963 * dse.c (canon_address): Dump value uid.
5964 * print-rtl.c (print_rtx): Print value uid.
5965 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5967 (dv_uid): New function, sort of renamed from...
5968 (dv_htab_hash): ... this, reimplemented in terms of it and...
5969 (dv_uid2hash): ... this. New.
5970 (variable_htab_eq): Drop excess assertions.
5971 (tie_break_pointers): Removed.
5972 (canon_value_cmp): Compare uids.
5973 (variable_post_merge_New_vals): Print uids.
5974 (vt_add_function_parameters): Adjust.
5975 (vt_initialize): Reset table. Adjust.
5977 2010-02-03 Richard Guenther <rguenther@suse.de>
5979 PR tree-optimization/42944
5980 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5981 (call_may_clobber_ref_p_1): Likewise. Properly handle
5982 malloc and calloc clobbering errno.
5984 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5986 * doc/invoke.texi: Fix name of sched1 dump.
5988 * opts.c (decode_options): Set flag_tree_switch_conversion
5989 only conditionally on optimize >= 2.
5991 * gcse.c: Assorted comment fixes in pass description.
5993 2010-02-03 Anthony Green <green@moxielogic.com>
5995 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5996 nop padding in order to maintain alignment of storage location of
5997 target function address.
5998 (moxie_trampoline_init): Store target function address at newly
6000 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6002 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6004 2010-02-03 Richard Guenther <rguenther@suse.de>
6007 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6009 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6011 * config.gcc: Reenable check for obsolete targets.
6012 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6013 mips-sgi-irix6.[0-4]*.
6015 2010-02-02 Nick Clifton <nickc@redhat.com>
6017 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6018 constant size of 4 as being the same as 0.
6019 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6020 can take values in the range 0..4.
6022 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6025 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6026 as _darwin10_Unwind_FindEnclosingFunction().
6027 * libgcc-libsystem.ver: New.
6029 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6032 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6033 implicitly set registers.
6035 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6037 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6038 (arm_override_options): Allow automatic selection of the thread
6039 pointer register if thumb2.
6040 (legitimize_pic_address): Improve code sequences for Thumb2.
6041 (arm_call_tls_get_addr): Likewise.
6042 (legitimize_tls_address): Likewise.
6043 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6044 (pic_load_addr_32bit): ... this. New named pattern.
6045 * thumb2.md (pic_load_addr_thumb2): Delete.
6046 (pic_load_dot_plus_four): Delete.
6047 (tls_load_dot_plus_four): New named pattern.
6049 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6052 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6053 Document fix for TLS bug.
6055 2010-01-31 Richard Guenther <rguenther@suse.de>
6057 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6058 conservatively correct.
6060 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6064 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6066 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6068 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6070 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6072 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6074 * config.gcc: Adjust order of makefile fragments for mingw targets.
6076 2010-01-31 Richard Guenther <rguenther@suse.de>
6079 * gimplify.c (gimplify_init_constructor): For volatile LHS
6080 initialize a temporary.
6082 2010-01-31 Matthias Klose <doko@ubuntu.com>
6084 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6086 * configure: Regenerate.
6088 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6090 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6091 the same alias set and their sizes different constantness.
6092 (aliasing_component_refs_p): Revert 2009-10-24 change.
6094 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6096 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6099 2010-01-29 Richard Guenther <rguenther@suse.de>
6101 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6102 Assert we successfully updated the call.
6104 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6106 PR rtl-optimization/42889
6107 * df.h (df_set_bb_dirty_nonlr): New prototype.
6108 * df-core.c (df_set_bb_dirty_nonlr): New function.
6109 * df-scan.c (df_insn_rescan): Call it instead of
6110 df_set_bb_dirty for DEBUG_INSNs.
6112 2010-01-29 Richard Guenther <rguenther@suse.de>
6115 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6116 quadratic behavior in most cases.
6118 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6121 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6122 in the call to gen_x86_movsicc_0_m1.
6124 2010-01-28 Richard Guenther <rguenther@suse.de>
6126 PR tree-optimization/42871
6127 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6129 2010-01-28 Richard Guenther <rguenther@suse.de>
6131 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6132 into call arguments.
6134 2010-01-28 Richard Guenther <rguenther@suse.de>
6137 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6138 the forwarder if the destination is an EH landing pad.
6140 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6142 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6143 block list passed to gimple_duplicate_sese_tail.
6144 (parallelize_loops): Avoid parallelization when the function
6146 Avoid parallelization when the preheader is IRREDUCIBLE.
6147 Try to optimize when estimated_loop_iterations_int is unresolved.
6148 Add the loop's location to the dump file.
6149 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6150 (gimple_duplicate_sese_tail): Remove the check for the latch.
6151 Redirect nexits to the exit block.
6152 Remove handling of the incoming edges to the latch.
6153 Redirect the backedge from the copied latch to the exit bb.
6155 2010-01-28 Michael Matz <matz@suse.de>
6158 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6159 Wrap force_reg into a sequence, emit it before user.
6161 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6163 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6165 (arm_legacy_rev): Likewise.
6166 (thumb_legacy_rev): Likewise.
6168 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6170 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6171 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6172 on MEM's address failed, try avoid_constant_pool_reference and
6173 recurse if it returned something different.
6174 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6175 address, try avoid_constant_pool_reference and recurse if it
6176 returned something different.
6177 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6178 address and avoid_constant_pool_reference returned something
6179 different, don't set have_address.
6181 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6184 * var-tracking.c (val_store): Add modified argument, obey it.
6186 (count_uses): Move down logging of main.
6187 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6188 don't need resolution.
6189 (emit_notes_in_bb): Likewise.
6191 2010-01-27 Richard Guenther <rguenther@suse.de>
6194 * tree-inline.c (remap_decl): Delay remapping of SSA name
6195 default definitions until we need them.
6197 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6199 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6200 (rs6000_delegitimize_address): New function.
6202 * config/s390/s390.c (s390_delegitimize_address): Call
6203 delegitimize_mem_from_attrs.
6206 * tree-inline.c (cannot_copy_type_1): Removed.
6207 (copy_forbidden): Don't forbid copying of functions containing
6208 records/unions with variable length fields.
6210 2010-01-27 Christian Bruel <christian.bruel@st.com>
6214 * config/sh/sh.c (find_barrier): Increase length for non delayed
6215 conditional branches.
6217 2010-01-27 Matthias Klose <doko@ubuntu.com>
6219 * configure.ac (gnu-unique-object): Fix ldd version check.
6220 * configure: Regenerate.
6222 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6224 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6226 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6227 Test for HAVE_GNU_AS value.
6229 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6231 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6232 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6233 INT64_TYPE): Define.
6234 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6235 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6236 INT_LEAST64_TYPE): Define.
6237 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6238 UINT_LEAST64_TYPE): Define.
6239 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6240 INT_FAST64_TYPE): Define.
6241 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6242 UINT_FAST64_TYPE): Define.
6243 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6244 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6245 (SIG_ATOMIC_TYPE): Define.
6247 2010-01-26 Richard Guenther <rguenther@suse.de>
6249 * df-scan.c (df_scan_set_bb_info): Remove assert.
6250 (df_insn_rescan_debug_internal): Merge asserts.
6251 (df_install_ref): Likewise.
6252 (df_mark_reg): Use bitmap_set_range.
6253 (df_hard_reg_used_p): Remove assert.
6254 (df_hard_reg_used_count): Likewise.
6256 2010-01-26 Richard Guenther <rguenther@suse.de>
6258 PR rtl-optimization/42685
6259 * web.c (web_main): Ignore DEBUG_INSNs.
6261 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6263 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6265 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6266 Fix types of fndecl and arglist parameters.
6268 2010-01-26 Richard Guenther <rguenther@suse.de>
6271 * tree-eh.c (unsplit_eh): Skip debug insns.
6273 2010-01-26 Richard Guenther <rguenther@suse.de>
6275 PR tree-optimization/42250
6276 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6278 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6281 * omp-low.c (expand_omp_sections): Only use single_pred if
6282 l2_bb is single_pred_p.
6284 2010-01-25 Christian Bruel <christian.bruel@st.com>
6287 * config/sh/sh.c (find_barrier): Increase length for non delayed
6288 conditional branches.
6289 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6291 2010-01-24 David S. Miller <davem@davemloft.net>
6293 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6294 define if not using GAS.
6295 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6296 Likewise. Delete SECTION_MERGE code, which is only applicable
6299 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6302 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6303 mangling of va_list in system headers.
6305 2010-01-23 Toon Moene <toon@moene.org>
6307 * tree-predcom.c (combine_chains): Return NULL, not false.
6309 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6311 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6312 initialization of variable res to agree with return type.
6314 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6316 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6317 * tree-sra.c: Add include of expr.h.
6319 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6321 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6322 insert the debug stmt on the single non-EH edge from the stmt.
6324 2010-01-22 Richard Henderson <rth@redhat.com>
6327 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6328 the RHS until after generate_subtree_copies has insertted its
6329 code before the current statement.
6331 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6333 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6335 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6337 2010-01-21 Martin Jambor <mjambor@suse.cz>
6339 PR tree-optimization/42585
6340 * tree-sra.c (struct access): New field grp_total_scalarization.
6341 (dump_access): Dump the new field.
6342 (should_scalarize_away_bitmap): New variable.
6343 (cannot_scalarize_away_bitmap): Likewise.
6344 (sra_initialize): Allocate new bitmaps.
6345 (sra_deinitialize): Free new bitmaps.
6346 (create_access_1): New function.
6347 (create_access): Parts moved to create_access_1.
6348 (type_consists_of_records_p): New function.
6349 (completely_scalarize_record): Likewise.
6350 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6351 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6352 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6354 (analyze_all_variable_accesses): Completely scalarize small eligible
6357 2010-01-21 Martin Jambor <mjambor@suse.cz>
6359 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6361 2010-01-21 Andrew Haley <aph@redhat.com>
6363 * gcc.c (process_command): Move lang_specific_driver before
6364 setting cc_libexec_prefix.
6366 2010-01-21 Richard Guenther <rguenther@suse.de>
6369 * fold-const.c (negate_expr_p): Pretend only negative
6370 real constants are easily negatable.
6372 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6373 Jason Merrill <jason@redhat.com>
6375 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6376 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6377 * calls.c (initialize argument_information): Handle it.
6378 * c-common.c (handle_transparent_union_attribute): Use new name.
6379 * c-decl.c (finish_struct): Ditto.
6380 * c-typeck.c (type_lists_compatible_p): Ditto.
6381 (convert_for_assignment): Use new name and also handle record.
6382 * function.c (aggregate_value_p): Handle it.
6383 (pass_by_reference): Ditto.
6384 (assign_parm_data_types): Ditto.
6385 * print-tree.c (print_node): Ditto.
6386 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6387 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6388 * tree.c (first_field): New fn.
6390 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6393 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6394 even when linking statically, for now.
6396 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6399 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6400 without a cselib val.
6401 (count_uses): Accept MO_VAL_SET with no val on stores.
6402 (add_stores): Likewise.
6404 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6406 * var-tracking.c (check_value_val): Add a compile time assertion.
6407 (dv_is_decl_p): Simplify.
6408 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6409 gcc_assert if ENABLE_CHECKING.
6411 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6414 * var-tracking.c: Include tree-flow.h.
6415 (mem_dies_at_call): New.
6416 (dataflow_set_preserve_mem_locs): Use it.
6417 (dataflow_set_remove_mem_locs): Likewise.
6418 (dump_var): Renamed from dump_variable. Adjust all callers.
6419 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6420 * Makefile.in (var-tracking.o): Adjust deps.
6422 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6424 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6426 2010-01-20 Richard Guenther <rguenther@suse.de>
6428 PR tree-optimization/42717
6429 * tree-ssa-dce.c (get_live_post_dom): Remove.
6430 (forward_edge_to_pdom): Take an arbitrary edge to copy
6431 degenerate PHI args from.
6432 (remove_dead_stmt): Use the first post-dominator even if it
6433 does not contain live statements as redirection destination.
6435 2010-01-20 Richard Guenther <rguenther@suse.de>
6437 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6439 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6441 * sel-sched.c (create_speculation_check): Remove set but not used
6443 (try_transformation_cache): Remove set but not used variable ds.
6444 (calculate_privileged_insns): Remove set but not used variables
6445 cur_insn and min_spec_insn.
6446 (find_best_expr): Remove set but not used variable avail_n.
6447 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6449 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6451 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6452 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6455 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6458 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6459 cpu types. Add support for *-sse3 cpu types.
6460 (x86_64-*-*): Ditto.
6462 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6465 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6466 argument, call initializer_constant_valid_p_1 instead of
6467 initializer_constant_valid_p, pass CACHE to it, return NULL
6468 immediately if first call returns NULL.
6469 (initializer_constant_valid_p_1): New function.
6470 (initializer_constant_valid_p): Use it.
6472 2010-01-20 Thomas Quinot <quinot@adacore.com>
6474 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6476 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6478 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6479 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6480 (loc_list_from_tree): Don't handle unsigned division. Handle
6481 signed modulo using DW_OP_{over,over,div,mul,minus}.
6482 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6483 modulo instead of signed.
6485 2010-01-20 DJ Delorie <dj@redhat.com>
6487 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6489 (h8300_emit_stack_adjustment): Propogate it.
6491 (h8300_expand_prologue): Likewise.
6492 (h8300_expand_epilogue): Likewise.
6494 2010-01-19 Michael Matz <matz@suse.de>
6496 PR tree-optimization/41783
6497 * tree-data-ref.c (toplevel): Include flags.h.
6498 (dump_data_dependence_relation): Also dump the inputs if the
6499 result will be unknown.
6500 (split_constant_offset_1): Look through some conversions.
6501 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6502 the offset from last element is too large.
6503 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6504 (reassociate_to_the_same_stmt): Handle vector registers.
6505 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6507 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6508 wide_prolog_niters argument, emit widening instructions.
6509 (vect_do_peeling_for_alignment): Adjust caller, use widened
6510 variant of the iteration cound.
6511 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6513 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6516 * config/arm/neon-testgen.m (emit_automatics): New parameter
6517 features. Adjust for Fixed_return_reg feature.
6518 (test_intrinsic): Call emit_automatics with new feature.
6519 * config/arm/neon.ml: Update copyright years.
6520 (features): New Fixed_return_reg feature.
6521 (ops): Update feature for Vget_low.
6523 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6525 PR tree-optimization/42719
6526 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6530 * fwprop.c (all_uses_available_at): Return false if def_set dest
6531 is a REG that is used in def_insn.
6533 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6535 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6537 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6540 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6542 * target.h (struct gcc_target) <secondary_reload>: Change type
6543 of last argument to secondary_reload_info *.
6545 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6548 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6549 memory references with unaligned offsets. Remove CQImode handling.
6550 (unaligned_memory_operand): Return 1 for memory references with
6551 unaligned offsets. Remove CQImode handling.
6553 2010-01-18 Richard Guenther <rguenther@suse.de>
6556 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6559 2010-01-18 Richard Guenther <rguenther@suse.de>
6561 PR tree-optimization/42781
6562 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6563 restrict processing only if the original variable was artificial.
6565 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6567 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6568 find number of popped argument bytes.
6570 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6571 Fix the text that describes the return value for invalid insns.
6573 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6575 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6576 Clarify what 'cost of the -dependence' is. Fix quoting.
6578 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6579 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6581 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6583 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6584 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6586 2010-01-17 Richard Guenther <rguenther@suse.de>
6589 * function.c (split_complex_args): Take a VEC to modify.
6590 (assign_parms_augmented_arg_list): Build a VEC instead of
6591 a chain of PARM_DECLs.
6592 (assign_parms_unsplit_complex): Take a VEC of arguments.
6593 Do not fixup unmodified parms.
6594 (assign_parms): Deal with the VEC.
6595 (gimplify_parameters): Likewise.
6597 2010-01-17 Richard Guenther <rguenther@suse.de>
6599 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6600 node existence check.
6601 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6602 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6603 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6604 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6605 (gimple_execute_on_growing_pred): Likewise.
6607 2010-01-17 Richard Guenther <rguenther@suse.de>
6609 PR tree-optimization/42773
6610 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6611 (compute_antic_aux): Likewise.
6612 (compute_partial_antic_aux): Likewise.
6614 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6617 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6620 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6622 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6625 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6626 Fix markup for strict argument.
6628 (TARGET_SCHED_REORDER2): Fix argument types.
6630 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6631 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6633 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6634 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6636 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6639 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6640 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6641 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6642 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6643 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6645 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6647 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6649 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6650 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6652 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6654 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6657 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6659 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6660 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6662 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6664 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6666 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6667 referring to it. Fix language.
6669 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6671 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6673 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6675 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6677 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6678 '@var{stream}. Remove stray 'and'.
6680 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6682 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6684 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6686 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6687 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6689 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6690 Fix description of return value.
6691 Rename argument "sz" to "len."
6693 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6694 Clarify meaning of 'true' return value.
6696 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6698 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6699 rep_mode versus mode_rep.
6701 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6703 (TARGET_BUILTIN_DECL): Fix name.
6705 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6707 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6709 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6711 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6713 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6715 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6718 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6719 Rename argument tm_fn to md_fn.
6721 (TARGET_OPTION_PRINT): Fix argument list.
6723 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6726 * config/i386/i386.c (ix86_fixup_binary_operands):
6727 Revert FMA4 fixup of operands.
6729 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6732 * Makefile.in (write_entries_to_file, install-plugin):
6733 Use \012 instead of \n with tr.
6735 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6737 * configure.ac (HAVE_AS_REF): New C macro.
6738 * configure: Regenerate.
6739 * config.in: Likewise.
6740 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6742 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6745 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6747 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6749 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6751 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6753 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6755 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6757 (TARGET_BINDS_LOCAL_P): Fix argument type.
6759 (TARGET_ASM_FILE_END): Use prototype.
6761 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6763 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6765 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6767 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6769 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6770 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6772 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6773 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6775 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6776 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6777 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6778 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6780 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6782 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6784 (TARGET_INIT_BUILTINS): Use prototype.
6786 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6787 Put 'const char *' in braces. Fix parameter types.
6788 (TARGET_INVALID_CONVERSION): Fix parameter types.
6789 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6790 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6792 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6795 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6797 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6799 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6801 * doc/tm.texi (TARGET_HELP): Fix return type.
6803 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6804 in braces. Fix argument types.
6806 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6808 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6810 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6812 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6813 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6815 (TARGET_MANGLE_TYPE): Fix argument types.
6817 (TARGET_IRA_COVER_CLASSES): Use prototype.
6819 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6821 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6823 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6825 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6827 (TARGET_CALLEE_COPIES): Fix argument types.
6829 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6831 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6833 (TARGET_FUNCTION_VALUE): Fix argument types.
6835 (TARGET_RETURN_IN_MSB): Fix argument type.
6837 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6839 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6841 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6843 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6844 agree with return type.
6846 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6848 2010-01-15 Jing Yu <jingyu@google.com>
6850 PR rtl-optimization/42691
6851 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6852 a pseudo to a constant and are merged, and adjust comments.
6854 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6856 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6858 2010-01-15 Richard Guenther <rguenther@suse.de>
6861 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6862 labels of computed or non-local gotos to the destination.
6863 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6864 landing pad label is the first label.
6866 2010-01-15 Richard Guenther <rguenther@suse.de>
6868 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6870 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6873 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6874 to allow generation of the xssqrtdp instruction on power7.
6875 (sqrtdf2_fpr): Ditto.
6877 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6880 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6881 functions with noreturn attribute.
6884 * varasm.c (declare_weak): Add weak attribute to decl if it
6885 doesn't have one already.
6886 (assemble_external): Only add decls to weak_decls if they also
6887 have weak attribute.
6889 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6891 * var-tracking.c (var_reg_delete): Don't delete the association
6892 between REGs and values or one-part variables if the register
6895 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6898 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6899 because its first operand is a non-localized variable.
6901 2010-01-14 Martin Jambor <mjambor@suse.cz>
6903 PR tree-optimization/42706
6904 * tree-sra.c (encountered_recursive_call): New variable.
6905 (encountered_unchangable_recursive_call): Likewise.
6906 (sra_initialize): Initialize both new variables.
6907 (callsite_has_enough_arguments_p): New function.
6908 (scan_function): Call decl and flags check only for IPA-SRA, check
6909 whether there is a recursive call and whether it has enough arguments.
6910 (all_callers_have_enough_arguments_p): New function.
6911 (convert_callers): Look for recursive calls only when
6912 encountered_recursive_call is set.
6913 (ipa_early_sra): Bail out either if
6914 !all_callers_have_enough_arguments_p or
6915 encountered_unchangable_recursive_call.
6917 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6919 * sel-sched.c: Add 2010 to copyright years.
6920 * sel-sched-ir.c: Likewise.
6921 * sel-sched-ir.h: Likewise.
6923 2010-01-14 Martin Jambor <mjambor@suse.cz>
6925 PR tree-optimization/42714
6926 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6927 constructors specially.
6929 2010-01-14 Andi Kleen <ak@linux.intel.com>
6931 * config/i386/drivers-i386.c (detect_caches_intel):
6932 Add l2sizekb parameter and fill in.
6933 (host_detect_local_cpu): Add l2sizekb, fill in.
6934 Add Atom small cache heuristic.
6936 2010-01-14 Andi Kleen <ak@linux.intel.com>
6938 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6939 Add level3 parameter and fill in.
6940 (detect_caches_intel): Handle level3 cache.
6942 2010-01-14 Andi Kleen <ak@linux.intel.com>
6944 * config/i386/drivers-i386.c (host_detect_local_cpu):
6945 Fix core duo detection.
6947 2010-01-14 Andi Kleen <ak@linux.intel.com>
6949 * config/i386/drivers-i386.c (host_detect_local_cpu):
6952 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6954 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6955 (rs6000_variable_issue_1): this. Use...
6956 (rs6000_variable_issue): here. Reimplement. Print debug info.
6958 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6960 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6961 sel_restore_notes. Update all callers. Call reemit_notes
6964 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6966 PR rtl-optimization/42246
6967 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6970 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6972 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6973 all successors is the same as number of successors in current region.
6975 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6977 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6978 to rename is not separable. Otherwise check that its LHS is not NULL.
6980 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6982 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6984 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6986 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6987 available registers when failed to discover LHS register class.
6988 Fix indentation. Update comment.
6990 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6991 Alexander Monakov <amonakov@ispras.ru>
6993 PR rtl-optimization/42389
6994 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6996 (advance_state_on_fence): Likewise.
6997 (sel_target_adjust_priority): Print debug output only when
6998 sched_verbose >= 4, not 2.
6999 (get_expr_cost): Do not issue all unique insns on the next cycle.
7000 (fill_insns): Initialize can_issue_more from the value saved
7002 * sel-sched-ir.c (flist_add): New parameter issue_more.
7003 Init FENCE_ISSUE_MORE with it.
7004 (merge_fences): Likewise.
7005 (init_fences): Update call to flist_add.
7006 (add_to_fences, add_clean_fence_to_fences)
7007 (add_dirty_fence_to_fences): Likewise.
7008 (move_fence_to_fences): Update call to merge_fences.
7009 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7011 * sel-sched-ir.h (struct _fence): New field issue_more.
7012 (FENCE_ISSUE_MORE): New accessor macro.
7014 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7016 PR rtl-optimization/42388
7017 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7018 that have no predecessors nor successors. Do not call move_bb_info
7019 for empty blocks outside of current region.
7021 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7023 PR rtl-optimization/42294
7024 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7025 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7026 originators' originators.
7028 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7030 PR rtl-optimization/39453
7031 PR rtl-optimization/42246
7032 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7034 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7036 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7037 Alexander Monakov <amonakov@ispras.ru>
7040 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7041 (maybe_tidy_empty_bb): ... here. Make static. Add new
7042 argument. Update all callers.
7043 (tidy_control_flow): ... and here. Recompute topological order
7044 of basic blocks in region if necessary.
7045 (sel_redirect_edge_and_branch): Change return type. Return true
7046 if topological order might have been invalidated.
7047 (purge_empty_blocks): Export and move from...
7048 * sel-sched.c (purge_empty_blocks): ... here.
7049 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7050 (maybe_tidy_empty_bb): Delete prototype.
7051 (purge_empty_blocks): Declare.
7053 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7055 PR rtl-optimization/42249
7056 * sel-sched.c (try_replace_dest_reg): When chosen register
7057 and original register is the same, do not bail out early, but
7058 still check all original insns for validity of replacing destination
7059 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7062 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7065 Port from no-undefined-overflow branch:
7066 2009-03-09 Richard Guenther <rguenther@suse.de>
7068 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7070 2010-01-14 Richard Guenther <rguenther@suse.de>
7073 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7075 2010-01-14 Ira Rosen <irar@il.ibm.com>
7077 PR tree-optimization/42709
7078 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7079 as scalar type in creation of constant vector operand.
7081 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7084 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7085 (check-parallel-%): Match `testsuite' directory component only
7088 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7090 PR translation/39521
7091 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7094 2010-01-13 Richard Guenther <rguenther@suse.de>
7096 PR tree-optimization/42730
7097 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7100 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7103 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7104 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7107 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7109 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7110 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7111 ___umulsi3_highpart.
7113 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7114 rather than schedule_insns if the pass is enabled.
7116 2010-01-13 Martin Jambor <mjambor@suse.cz>
7118 PR tree-optimization/42704
7119 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7122 2010-01-13 Martin Jambor <mjambor@suse.cz>
7124 PR tree-optimization/42703
7125 * tree-sra.c (analyze_access_subtree): Check that we can build a
7126 reference to the original data within the aggregate.
7128 2010-01-13 Richard Guenther <rguenther@suse.de>
7130 PR tree-optimization/42705
7131 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7133 2010-01-13 Richard Guenther <rguenther@suse.de>
7136 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7138 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7141 * var-tracking.c (values_to_unmark): New variable.
7142 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7143 values_to_unmark vector. Moved body to...
7144 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7145 instead queue it into values_to_unmark vector.
7146 (vt_find_locations): Free values_to_unmark vector.
7148 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7150 * config/s390/s390.c (override_options): Set
7151 default of max-pending-list-length to 256
7153 2010-01-13 Richard Guenther <rguenther@suse.de>
7156 * tree-pass.h (PROP_gimple_lcx): New.
7157 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7158 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7159 before the final cleanup_eh.
7160 (dump_properties): Dump PROP_gimple_lcx.
7161 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7162 (tree_lower_complex_O0): Remove.
7163 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7164 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7165 tree_lower_complex, schedule TODO_update_ssa.
7166 * lto-streamer-out.c (output_function): Stream the functions
7168 * lto-streamer-in.c (input_function): Likewise.
7169 (lto_read_body): Do not override them here.
7171 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7174 * c-typeck.c (build_c_cast): Fold value cast to union type before
7175 wrapping it in a CONSTRUCTOR.
7177 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7179 PR rtl-optimization/42699
7180 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7183 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7185 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7186 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7187 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7188 SUBTARGET_WARN_UNUSED_SPEC): ... here
7189 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7191 2010-01-12 Julian Brown <julian@codesourcery.com>
7193 * config/arm/neon-schedgen.ml (Utils): Don't try to
7194 open missing module.
7195 (find_with_result): New.
7197 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7200 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7201 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7203 PR tree-optimization/42645
7204 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7205 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7206 decl_map, set processing_debug_stmt to -1 and return name without
7209 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7211 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7212 binutils version, and reword target configuration description.
7214 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7216 * config/avr/avr.h (LINKER_NAME): Remove.
7218 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7221 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7222 that support VSX, warn for -mno-altivec if vsx is not disabled,
7225 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7226 Shujing Zhao <pearly.zhao@oracle.com>
7228 PR translation/42469
7229 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7230 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7231 character between option name and help text.
7232 * c.opt (imultilib): Likewise.
7234 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7236 * lto-streamer-out.c (output_unreferenced_globals): Output static
7239 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7241 PR rtl-optimization/42621
7242 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7243 optimizing for size.
7244 (duplicate_computed_gotos): Remove now-redundant check.
7246 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7249 * configure.ac: Save and restore LDFLAGS and LIBS
7250 * configure: Regenerate.
7252 2010-01-10 Richard Guenther <rguenther@suse.de>
7255 * builtins.c (fold_builtin_strlen): Add type argument and
7256 convert the resulting length to it.
7257 (fold_builtin_1): Adjust.
7259 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7261 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7262 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7264 (num_insns_constant_wide): Adjust for that change.
7266 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7269 * web.c (union_defs): Add used argument, to combine uses of
7271 (entry_register): Adjust type and tests of used argument.
7272 (web_main): Widen used for new use. Pass it to union_defs.
7273 * df.h (union_defs): Adjust prototype.
7275 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7278 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7279 uses in new incoming argument. Free body.
7280 (reset_debug_uses_in_loop): New.
7281 (analyze_insn_to_expand_var): Call the latter if the former found
7282 anything. Fix whitespace. Reject invalid dest overlaps before
7283 going through all insns in the loop.
7285 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7288 * haifa-sched.c (dying_use_p): Debug insns don't count.
7290 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7293 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7294 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7295 (verify_gimple_call): Reject LHS in noreturn calls.
7297 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7301 * tree-vect-loop-manip.c (adjust_info): New type.
7302 (adjust_vec): New pointer to vector.
7303 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7304 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7305 (slpeel_update_phis_for_duplicate_loop): Use them.
7306 (slpeel_update_phi_nodes_for_guard1): Likewise.
7307 (slpeel_update_phi_nodes_for_guard2): Likewise.
7308 (slpeel_tree_peel_loop_to_edge): Likewise.
7309 (vect_update_ivs_after_vectorizer): Likewise.
7311 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7313 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7314 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7316 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7318 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7319 bogus uninitialized warning.
7321 2010-01-09 Richard Guenther <rguenther@suse.de>
7324 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7325 the evolution is compatible with the initial condition.
7327 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7329 * gcc.c (process_command): Update copyright notice dates.
7330 * gcov.c (print_version): Likewise.
7331 * gcov-dump.c (print_version): Likewise.
7332 * mips-tfile.c (main): Likewise.
7333 * mips-tdump.c (main): Likewise.
7335 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7338 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7340 (rotlhi3_8): Delete.
7342 (rotlsi3_8): Delete.
7343 (rotlsi3_16): Delete.
7344 (rotlsi3_24): Delete.
7346 (*rotw<mode>3): New.
7347 (*rotb<mode>3): New.
7348 * config/avr/avr.c (avr_rotate_bytes): New function.
7349 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7351 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7354 * configure.ac: Modify -rdynamic check.
7355 * configure: Regenerate.
7357 2010-01-08 DJ Delorie <dj@redhat.com>
7359 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7360 register popping order.
7362 2010-01-08 Richard Guenther <rguenther@suse.de>
7365 * c.opt (fsigned-char): Also let LTO handle this option.
7366 (funsigned-char): Likewise.
7368 2010-01-07 Richard Guenther <rguenther@suse.de>
7370 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7371 (gimple_op): Likewise.
7372 (gimple_op_ptr): Likewise.
7373 (gimple_assign_set_lhs): Remove gcc_assert.
7374 (gimple_assign_set_rhs1): Likewise.
7375 (gimple_assign_set_rhs2): Likewise.
7376 (gimple_call_set_lhs): Likewise.
7377 (gimple_call_set_fn): Likewise.
7378 (gimple_call_set_fndecl): Likewise.
7379 (gimple_call_fndecl): Likewise.
7380 (gimple_call_return_type): Likewise.
7381 (gimple_call_set_chain): Likewise.
7382 (gimple_call_num_args): Likewise.
7383 (gimple_call_set_arg): Likewise.
7384 (gimple_cond_set_code): Likewise.
7385 (gimple_cond_set_lhs): Likewise.
7386 (gimple_cond_set_rhs): Likewise.
7387 (gimple_cond_set_true_label): Likewise.
7388 (gimple_cond_set_false_label): Likewise.
7389 (gimple_label_set_label): Likewise.
7390 (gimple_goto_set_dest): Likewise.
7391 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7392 (gimple_debug_bind_get_value): Likewise.
7393 (gimple_debug_bind_get_value_ptr): Likewise.
7394 (gimple_debug_bind_set_var): Likewise.
7395 (gimple_debug_bind_set_value): Likewise.
7396 (gimple_debug_bind_reset_value): Likewise.
7397 (gimple_debug_bind_has_value_p): Likewise.
7398 (gimple_return_retval_ptr): Remove gcc_assert.
7399 (gimple_return_retval): Likewise.
7400 (gimple_return_set_retval): Likewise.
7401 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7402 (safe_referenced_var_iterator): Remove.
7403 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7404 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7405 (fill_referenced_var_vec): Remove.
7406 (first_readonly_imm_use): Remove redundant gcc_assert.
7407 (phi_arg_index_from_use): Combine gcc_asserts.
7408 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7409 (first_imm_use_stmt): Remove redundant gcc_assert.
7410 * tree-cfg.c (verify_gimple_call): Verify function and chain
7411 operands. Verify arguments.
7412 (verify_types_in_gimple_stmt): Verify condition code and labels.
7414 2010-01-07 Richard Guenther <rguenther@suse.de>
7416 PR tree-optimization/42641
7417 * sese.c (rename_map_elt_info): Use the SSA name version, do
7420 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7422 PR tree-optimization/42625
7423 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7424 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7426 2010-01-07 Duncan Sands <baldrick@free.fr>
7428 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7430 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7433 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7434 note itself is not function_invariant_p.
7436 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7438 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7439 Do not add the DF_NOTE problem.
7440 * store-motion.c (execute_rtl_store_motion): Likewise.
7442 2010-01-07 Martin Jambor <mjambor@suse.cz>
7444 PR tree-optimization/42157
7445 * tree-sra.c (compare_access_positions): Stabilize sort if both
7446 accesses have integer types, return zero immediately if they are the
7449 2010-01-06 Richard Henderson <rth@redhat.com>
7452 * haifa-sched.c (add_to_note_list): Merge into ...
7453 (concat_note_lists): ... here, and ...
7454 (unlink_other_notes, rm_other_notes): Merge into...
7455 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7456 NOTE_INSN_EPILOGUE_BEG.
7458 2010-01-06 Richard Guenther <rguenther@suse.de>
7460 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7461 not inline regular functions into always-inline functions.
7463 2010-01-06 Nick Clifton <nickc@redhat.com>
7465 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7466 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7468 (OVERRIDE_OPTIONS): Delete.
7469 (OPTIMIZATION_OPTIONS): Define.
7470 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7471 * config/rx/rx.c (rx_handle_option): Issue an error message if
7472 -mcpu=rx200 and -fpu are used together.
7473 (rx_set_optimization_options): New function. Issue an error
7474 message if an optimization attribute attempts to reset the FPU/
7475 math optimization pairing.
7476 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7477 * config/rx/rx.opt: Set the default to 32-bit doubles.
7478 * config/rx/t-rx: Add multilibs for -nofpu option.
7479 * doc/invoke.texi: Update documentation of RX options.
7481 2010-01-06 Richard Guenther <rguenther@suse.de>
7483 * tree-ssa-pre.c (name_to_id): New global.
7484 (alloc_expression_id): Simplify SSA name handling.
7485 (lookup_expression_id): Likewise.
7486 (init_pre): Zero name_to_id.
7487 (fini_pre): Free it.
7489 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7491 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7493 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7496 * config/i386/sse.md (smaxv2di3): New.
7497 (umaxv2di3): Likewise.
7498 (sminv2di3): Likewise.
7499 (uminv2di3): Likewise.
7501 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7504 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7505 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7506 (legitimize_tls_address): Likewise.
7507 (sparc_tls_referenced_p): Likewise.
7508 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7509 and adjust calls to legitimize_pic_address.
7510 (legitimate_constant_p) Use sparc_tls_referenced_p.
7511 (legitimate_pic_operand_p): Likewise.
7512 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7513 (sparc_tls_symbol_ref_1): Delete.
7514 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7515 (legitimize_tls_address): Make static, handle CONST patterns.
7516 (legitimize_pic_address): Make static, remove unused parameter and
7517 adjust recursive calls.
7518 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7519 and adjust call to legitimize_pic_address.
7520 (sparc_output_mi_thunk): Likewise.
7522 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7523 H.J. Lu <hongjiu.lu@intel.com>
7526 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7527 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7528 operands to make them signed.
7531 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7534 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7535 GTU to GT for V4SI and V2DI.
7537 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7538 (umin<mode>3): Removed.
7540 (uminv4si3): Likewise.
7542 2010-01-05 Martin Jambor <mjambor@suse.cz>
7544 PR tree-optimization/42462
7545 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7546 current_function_decl to helper functions and macros.
7548 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7551 * flags.h: Don't include real.h.
7552 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7553 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7554 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7555 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7556 * dominance.c: Update copyright.
7557 * gimple.c (walk_gimple_op): Remove inline.
7558 * tree-ssa-reassoc.c: Include real.h.
7559 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7560 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7562 2010-01-05 Nick Clifton <nickc@redhat.com>
7564 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7565 register to push into the stack frame when the accumulator has to
7566 be saved during interrupts.
7568 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7570 * doc/invoke.texi: Remove the documentation about option
7572 * common.opt (Wunreachable-code): Preserved for backward
7574 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7575 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7576 the backward compatibility flag section.
7578 2010-01-05 Richard Guenther <rguenther@suse.de>
7580 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7582 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7585 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7587 PR tree-optimization/42508
7588 * tree-sra.c (convert_callers): Check for recursive call
7589 by comparing cgraph nodes instead of decls.
7590 (modify_function): Call ipa_modify_formal_parameters also
7591 on all same_body aliases.
7593 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7594 cgraph nodes when checking for same_body aliases.
7596 2010-01-05 Richard Guenther <rguenther@suse.de>
7598 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7599 allocation and lookup.
7600 (get_or_alloc_expr_for_constant): Likewise.
7601 (phi_translate): Sink allocation.
7603 2010-01-04 Richard Guenther <rguenther@suse.de>
7605 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7606 a new entry only if needed.
7607 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7608 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7610 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7612 (phi_translate): Handle CONSTANTs early.
7614 2010-01-04 Martin Jambor <mjambor@suse.cz>
7616 PR tree-optimization/42398
7617 * tree-sra.c (struct access): Removed flag grp_different_types.
7618 (dump_access): Do not dump the removed flag.
7619 (sort_and_splice_var_accesses): Do not set the removed flag.
7620 (sra_modify_expr): Check for type compatibility directly.
7622 2010-01-04 Martin Jambor <mjambor@suse.cz>
7624 PR tree-optimization/42366
7625 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7626 edges with variable number of parameters.
7627 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7628 flag instead of asserting it.
7629 (ipa_read_node_info): Read uses_analysis_done flag.
7631 2010-01-04 Richard Guenther <rguenther@suse.de>
7633 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7634 iterative_hash_* as intended.
7635 (vn_reference_compute_hash): Likewise. Simplify hashing
7637 (vn_reference_lookup_2): Likewise.
7638 (vn_nary_op_compute_hash): Likewise.
7639 (vn_phi_compute_hash): Likewise.
7640 (expressions_equal_p): Remove strange code.
7641 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7642 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7643 (bitmap_insert_into_set_1): Take value-id as parameter.
7644 (add_to_value): Pass it.
7645 (bitmap_insert_into_set): Likewise.
7646 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7648 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7651 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7652 (do_self_spec): For switches with SWITCH_IGNORE set set also
7653 SWITCH_IGNORE_PERMANENTLY.
7654 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7657 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7659 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7660 tree of an unreferenced global var.
7662 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7665 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7666 GTU to GT for V4SI and V2DI.
7668 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7669 (umin<mode>3): Removed.
7671 (uminv4si3): Likewise.
7673 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7676 * collect2.c (main): Turn on trace in collect2 if -v is passed
7679 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7681 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7682 description of expression operand.
7684 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7686 * configure.ac: Add install-html to target_list for Make-hooks.
7687 * configure: Regenerate.
7688 * fortran/Make-lang.in (F95_HTMLFILES): New.
7689 (fortran.html): Use it.
7690 (fortran.install-html): New.
7691 * Makefile.in (install-html): Add lang.install-html.
7692 * java/Make-lang.in (JAVA_HTMLFILES): New.
7693 (java.html): Use it.
7694 (java.install-html): New.
7695 * objc/Make-lang.in (objc.install-html): New.
7696 * objcp/Make-lang.in (obj-c++.install-html): New.
7697 * cp/Make-lang.in (c++.install-html): New.
7698 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7699 * lto/Make-lang.in (lto.install-html): New.
7701 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7704 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7706 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7708 PR rtl-optimization/41862
7709 * store-motion.c (store_killed_in_insn, compute_store_table,
7710 remove_reachable_equiv_notes, replace_store_insn,
7711 build_store_vectors): Ignore all DEBUG_INSNs.
7713 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7716 * common.opt: Add dumpdir.
7718 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7720 (option_map): Add --dumpdir.
7722 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7724 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7726 * opts.c (decode_options): Try dump_dir_name first if
7727 dump_base_name isn't an absolute path.
7728 (common_handle_option): Handle OPT_dumpdir.
7730 * toplev.c (dump_dir_name): New.
7731 (print_switch_values): Also ignore -dumpdir.
7733 * toplev.h (dump_dir_name): New.
7735 2010-01-03 Richard Guenther <rguenther@suse.de>
7737 PR tree-optimization/42589
7738 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7739 double-word expansion of bswap32.
7741 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7743 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7744 with BLOCK_FOR_INSN.
7745 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7746 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7747 noce_process_if_block): Likewise.
7748 * gcse.c (compute_local_properties, insert_expr_in_table,
7749 insert_set_in_table, canon_list_insert, find_avail_set,
7750 pre_insert_copy_insn): Likewise.
7752 * basic-block.h (BLOCK_NUM): Move from here...
7753 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7755 2010-01-03 Richard Guenther <rguenther@suse.de>
7757 PR tree-optimization/42438
7758 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7759 contains_may_not_return_call flag.
7760 (BB_MAY_NOTRETURN): New.
7761 (valid_in_sets): Trapping nary operations are not valid
7762 in blocks that may not return.
7763 (insert_into_preds_of_block): Remove check for trapping expressions.
7764 (compute_avail): Compute also BB_MAY_NOTRETURN.
7766 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7768 * doc/invoke.texi: Add 2010 to copyright years.
7770 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7772 * config/sparc/sparc.c: Fix formatting nits.
7774 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7775 Alexander Monakov <amonakov@ispras.ru>
7777 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7779 2010-01-02 Richard Guenther <rguenther@suse.de>
7782 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7783 (simplify_switch_using_ranges): Mark to be removed edges
7786 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7788 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7790 * collect2.c (scan_libraries): Add missing argument in call to
7793 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7796 * config/alpha/predicates.md (aligned_memory_operand): Return false
7798 (unaligned_memory_operand): Return true for CQImode.
7799 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7800 doesn not cross aligned SImode word boundary.
7802 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7804 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7806 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7807 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7809 2010-01-02 Richard Guenther <rguenther@suse.de>
7812 * toplev.c (compile_file): Emit LTO marker properly. Change
7814 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7816 2010-01-01 Richard Guenther <rguenther@suse.de>
7819 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7821 2010-01-01 Richard Guenther <rguenther@suse.de>
7824 * c-decl.c (grokdeclarator): For zero-size arrays force
7825 structural equality checks as layout_type does.
7827 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7829 * builtins.c: Update copyright to 2010.
7831 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7834 * lto-streamer-out.c (produce_asm): Revert the last change.
7835 (copy_function): Likewise.
7837 * lto-streamer.c (lto_get_section_name): Skip any leading
7840 2010-01-01 Richard Guenther <rguenther@suse.de>
7843 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7847 Copyright (C) 2010 Free Software Foundation, Inc.
7849 Copying and distribution of this file, with or without modification,
7850 are permitted in any medium without royalty provided the copyright
7851 notice and this notice are preserved.