1 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
3 * plugin.h (invoke_plugin_callbacks): New inline function.
4 * plugin.c (flag_plugin_added): New global flag.
5 (add_new_plugin): Initialize above flag.
6 (invoke_plugin_callbacks): Rename to ...
7 (invoke_plugin_callbacks_full): ... this.
9 2010-04-28 Jan Hubicka <jh@suse.cz>
11 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
12 (lto_varpool_replace_node): New.
13 (lto_symtab_resolve_symbols): Resolve varpool nodes.
14 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
15 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
16 * cgraph.h (varpool_node_ptr): New type.
17 (varpool_node_ptr): New vector.
18 (varpool_node_set_def): New structure.
19 (varpool_node_set): New type.
20 (varpool_node_set): New vector.
21 (varpool_node_set_element_def): New structure.
22 (varpool_node_set_element, const_varpool_node_set_element): New types.
23 (varpool_node_set_iterator): New type.
24 (varpool_node): Add prev pointers, add used_from_other_partition,
26 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
27 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
28 varpool_get_node, varpool_remove_node): Declare.
29 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
30 varpool_node_set_size): New inlines.
31 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
32 * tree-pass.h (varpool_node_set_def): Forward declare.
33 (ipa_opt_pass_d): Summary writting takes vnode sets too.
34 (ipa_write_optimization_summaries): Update prototype.
35 * ipa-cp.c (ipcp_write_summary): Update.
36 * ipa-reference.c (ipa_reference_write_summary): Update.
37 * lto-cgraph.c (lto_output_varpool_node): New static function.
38 (output_varpool): New function.
39 (input_varpool_node): New static function.
40 (input_varpool_1): New function.
41 (input_cgraph): Input varpool.
42 * ipa-pure-const.c (pure_const_write_summary): Update.
43 * lto-streamer-out.c (lto_output): Update, output varpool too.
44 (write_global_stream): Kill WPA hack.
45 (produce_asm_for_decls): Update.
46 (output_alias_pair_p): Handle variables.
47 (output_unreferenced_globals): Output only needed partition of varpool.
48 * ipa-inline.c (inline_write_summary): Update.
49 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
50 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
51 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
52 varpool_node_set_new, varpool_node_set_add,
53 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
54 debug_varpool_node_set): New functions.
55 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
56 (execute_one_pass): Process new decls too.
57 (ipa_write_summaries_2): Pass around vsets.
58 (ipa_write_summaries_1): Likewise.
59 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
61 (ipa_write_optimization_summaries_1): Pass around vsets.
62 (ipa_write_optimization_summaries): Likewise.
63 * varpool.c (varpool_get_node): New.
64 (varpool_node): Update doubly linked lists.
65 (varpool_remove_node): New.
66 (dump_varpool_node): More dumping.
67 (varpool_enqueue_needed_node): Update doubly linked lists.
68 (decide_is_variable_needed): Kill ltrans hack.
69 (varpool_finalize_decl): Kill lto hack.
70 (varpool_assemble_decl): Skip decls in other partitions.
71 (varpool_assemble_pending_decls): Update doubly linkes lists.
72 (varpool_empty_needed_queue): Likewise.
73 (varpool_extra_name_alias): Likewise.
74 * lto-streamer.c (lto_get_section_name): Add vars section.
75 * lto-streamer.h (lto_section_type): Update.
76 (output_varpool, input_varpool): Declare.
78 2010-04-28 Mike Stump <mikestump@comcast.net>
80 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
82 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
84 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
85 record or union type with RECORD_OR_UNION_TYPE_P predicate.
86 (lto_input_ts_type_tree_pointers): Likewise.
87 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
88 (lto_output_ts_type_tree_pointers): Likewise.
90 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
92 Uniquization of constants at the Tree level
93 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
94 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
96 (tree_output_constant_def): Declare.
97 * gimplify.c (gimplify_init_constructor): When using block copy, first
98 uniquize the constant constructor on the RHS.
99 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
100 DECL_IN_CONSTANT_POOL flag.
101 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
102 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
104 (assemble_variable): Deal with symbols belonging to the tree constant
106 (get_constant_section): Add ALIGN parameter and simplify.
107 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
108 (assemble_constant_contents): Use the expression of the VAR_DECL.
109 (output_constant_def_contents): Use the alignment of the VAR_DECL.
110 (tree_output_constant_def): New global function.
111 (mark_constant): Use the expression of the VAR_DECL.
112 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
114 (output_object_block): Likewise and assemble the expression.
116 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
118 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
119 hash_tree, eq_tree): New tree hash table.
120 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
121 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
122 lto_orig_address_remove): Reimplement.
124 2010-04-28 Xinliang David Li <davidxl@google.com>
127 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
128 (compute_uninit_opnds_pos): New function.
129 (is_non_loop_exit_postdominating): New function.
130 (compute_control_dep_chain): New function.
131 (find_pdom): New function.
132 (convert_control_dep_chain_into_preds): New function.
133 (find_predicates): New function.
134 (find_control_equiv_block): New function.
135 (collect_phi_def_edges): New function.
136 (find_def_preds): New function.
137 (find_dom): New function.
138 (dump_predicates): New function.
139 (get_cmp_code): New function.
140 (is_value_included_in): New function.
141 (find_matching_predicate_in_rest_chains): New function.
142 (use_pred_not_overlap_with_undef_path_pred): New function.
143 (is_use_properly_guarded): New function.
144 (normalize_cond_1): New function.
145 (is_and_or_or): New function.
146 (normalize_cond): New function.
147 (is_gcond_subset_of): New function.
148 (is_subset_of_any): New function.
149 (is_or_set_subset_of): New function.
150 (is_and_set_subset_of): New function.
151 (is_norm_cond_subset_of): New function.
152 (is_pred_expr_subset_of): New function.
153 (is_pred_chain_subset_of): New function.
154 (is_included_in): New function.
155 (is_superset_of): New function.
156 (find_uninit_use): New function.
157 (warn_uninitialized_phi): New function.
158 (compute_possibly_undefined_names): New function.
159 (ssa_undefined_value_p): New function.
160 (execute_late_warn_uninitialized): New function.
161 * tree-ssa.c (ssa_undefined_value_p): Removed.
162 (warn_uninit): Changed to extern.
163 (warn_uninitialized_phi): Removed.
164 (warn_uninitialized_vars): Changed to extern.
165 (execute_late_warn_uninitialized): Removed
166 * tree-flow.h: Add new prototypes.
167 * timevar.def: Add new time variable.
168 * Makefile.in: Add new build file.
170 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
172 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
175 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
178 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
180 2010-04-28 Martin Jambor <mjambor@suse.cz>
182 * cgraph.h (struct cgraph_node): New field indirect_calls.
183 (struct cgraph_indirect_call_info): New type.
184 (struct cgraph_edge): Removed field indirect_call. New fields
185 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
186 (cgraph_create_indirect_edge): Declare.
187 (cgraph_make_edge_direct): Likewise.
188 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
189 * ipa-prop.h (struct ipa_param_call_note): Removed.
190 (struct ipa_node_params): Removed field param_calls.
191 (ipa_create_all_structures_for_iinln): Declare.
192 * cgraph.c: Described indirect edges and uids in initial comment.
193 (cgraph_add_edge_to_call_site_hash): New function.
194 (cgraph_edge): Search also among the indirect edges, use
195 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
196 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
197 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
199 (initialize_inline_failed): Assign a reason to indirect edges.
200 (cgraph_create_edge_1): New function.
201 (cgraph_create_edge): Moved some functionality to
202 cgraph_create_edge_1.
203 (cgraph_create_indirect_edge): New function.
204 (cgraph_edge_remove_callee): Add an assert checking for
206 (cgraph_edge_remove_caller): Special-case indirect edges.
207 (cgraph_remove_edge): Likewise.
208 (cgraph_set_edge_callee): New function.
209 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
210 (cgraph_make_edge_direct): New function.
211 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
212 the declaration of the call statement matches.
213 (cgraph_node_remove_callees): Special-case indirect edges.
214 (cgraph_clone_edge): Likewise.
215 (cgraph_clone_node): Clone also the indirect edges.
216 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
217 indirect_call, dump count of indirect_calls edges.
218 * ipa-prop.c (iinlining_processed_edges): New variable.
219 (ipa_note_param_call): Create indirect edges instead of
220 creating notes. New parameter node.
221 (ipa_analyze_call_uses): New parameter node, pass it on to
223 (ipa_analyze_stmt_uses): Likewise.
224 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
225 (print_edge_addition_message): Work on edges rather than on notes.
226 (update_call_notes_after_inlining): Likewise, renamed to
227 update_indirect_edges_after_inlining.
228 (ipa_create_all_structures_for_iinln): New function.
229 (ipa_free_node_params_substructures): Do not free notes.
230 (ipa_edge_duplication_hook): Propagate bits within
231 iinlining_processed_edges bitmap.
232 (ipa_node_duplication_hook): Do not duplicate notes.
233 (free_all_ipa_structures_after_ipa_cp): Renamed to
234 ipa_free_all_structures_after_ipa_cp.
235 (free_all_ipa_structures_after_iinln): Renamed to
236 ipa_free_all_structures_after_iinln.g
237 (ipa_write_param_call_note): Removed.
238 (ipa_read_param_call_note): Removed.
239 (ipa_write_indirect_edge_info): New function.
240 (ipa_read_indirect_edge_info): Likewise.
241 (ipa_write_node_info): Do not stream notes, do stream information
243 (ipa_read_node_info): Likewise.
244 (lto_ipa_fixup_call_notes): Removed.
245 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
246 * ipa-inline.c (pass_ipa_inline): Likewise.
247 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
248 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
249 * tree-inline.c (copy_bb): Removed an unnecessary double check for
251 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
253 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
254 (output_cgraph): Stream also indirect edges.
255 (lto_output_edge): Added capability to stream indirect edges.
256 (input_edge): Likewise.
257 (input_cgraph_1): Likewise.
259 2010-04-28 Richard Guenther <rguenther@suse.de>
261 PR tree-optimization/43879
262 PR tree-optimization/43909
263 * tree-ssa-structalias.c (struct variable_info): Add
264 only_restrict_pointers flag.
265 (new_var_info): Initialize it. Increment stats.total_vars here.
266 (create_function_info_for): Do not increment stats.total_vars
268 (get_function_part_constraint): Fix build with C++.
269 (insert_into_field_list): Remove.
270 (push_fields_onto_fieldstack): Properly merge fields.
271 (create_variable_info_for): Split and simplify.
272 (create_variable_info_for_1): New piece.
273 (intra_create_variable_infos): Properly make restrict constraints
276 2010-04-28 Richard Guenther <rguenther@suse.de>
279 * tree-inline.c (copy_bind_expr): Also copy bind expr vars
282 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
283 Jan Hubicka <hubicka@ucw.cz>
285 * doc/invoke.texi (-Wsuggest-attribute=const,
286 -Wsuggest-attribute=pure): Document.
287 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
288 (function_always_visible_to_compiler_p,
289 suggest_attribute, warn_function_pure, warn_function_const):
291 (check_call): Improve debug info.
292 (analyze_function): Do not check availability.
293 (add_new_function): Check availability.
294 (propagate): Output warnings.
295 (skip_function_for_local_pure_const): New function.
296 (local_pure_const): Use it; output warnings.
297 * common.opt (Wsuggest-attribute=const,
298 Wsuggest-attribute=pure): New.
300 2010-04-27 Jakub Jelinek <jakub@redhat.com>
302 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
303 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
304 or DW_CFA_def_cfa_offset{,_sf}.
306 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
308 * tree.h: Fix truncated long macros.
310 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
312 * collect2.c (TARGET_64BIT): Redefine to target's default.
314 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
315 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
316 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
317 for underscoring __USER_LABEL_PREFIX__.
318 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
319 (SUB_LINK_ENTRY32): New.
320 (SUB_LINK_ENTRY64): New.
321 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
322 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
323 (SUB_LINK_ENTRY64): New.
324 (SUB_LINK_ENTRY): New.
325 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
326 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
327 x64 target is choosen.
328 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
329 * configure: Regenerated.
330 * configure.ac (leading-mingw64-underscores): Option added.
332 2010-04-27 Jan Hubicka <jh@suse.cz>
334 * doc/invoke.texi (-fipa-profile): Document.
335 * opts.c (decode_options): Enable ipa-profile at -O1.
336 * timevar.def (TV_IPA_PROFILE): Define.
337 * common.opt (fipa-profile): Add.
338 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
340 (cgraph_propagate_frequency): Handle only local ones.
341 * tree-pass.h (pass_ipa_profile): Declare.
342 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
343 (pass_ipa_profile): Use TV_IPA_PROFILE.
344 * ipa.c (ipa_profile): New function.
345 (gate_ipa_profile): Likewise.
346 (pass_ipa_profile): New global variable.
347 * passes.c (pass_ipa_profile): New.
349 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
351 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
353 2010-04-27 Martin Jambor <mjambor@suse.cz>
356 * ipa.c (dissolve_same_comdat_group_list): New function.
357 (function_and_variable_visibility): Call
358 dissolve_same_comdat_group_list when comdat group contains external or
360 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
361 lists are circular and that they contain only DECL_ONE_ONLY nodes.
363 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
365 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
366 (const_hash_1) <VECTOR_CST>: New case.
367 (compare_constant) <VECTOR_CST>: Likewise.
368 <ADDR_EXPR>: Deal with LABEL_REFs.
369 (copy_constant) <VECTOR_CST>: New case.
371 2010-04-27 Jan Hubicka <jh@suse.cz>
373 * cgraph.c (cgraph_propagate_frequency): New function.
374 * cgraph.h (cgraph_propagate_frequency): Declare.
375 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
376 cgraph_propagate_frequency.
378 2010-04-27 Jakub Jelinek <jakub@redhat.com>
380 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
382 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
385 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
386 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
387 here to determine which regs to push and how much stack to reserve.
389 2010-04-27 Jie Zhang <jie@codesourcery.com>
391 * doc/gimple.texi (gimple_statement_with_ops): Remove
392 addresses_taken field.
393 (gimple_statement_with_memory_ops): Likewise.
395 2010-04-27 Jan Hubicka <jh@suse.cz>
397 * tree-inline.c (eni_inlining_weights): Remove.
398 (estimate_num_insns): Special case more builtins.
400 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
403 * c-typeck.c (build_binary_op): Move forward check for comparison
404 pointer with null pointer constant and adjust the diagnostic message.
406 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
409 * configure.ac (gcc_cv_as_section_has_align): Set if installed
410 binutils supports extended .section directive needed by LTO, or
411 warn if older binutils found.
412 (LTO_BINARY_READER): New AC_SUBST'd variable.
413 (LTO_USE_LIBELF): Likewise.
414 * gcc/config.gcc (lto_binary_reader): New target-specific configure
416 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
417 (LTO_USE_LIBELF): Likewise.
418 * configure: Regenerate.
420 * collect2.c (is_elf): Rename from this ...
421 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
422 object files in addition to ELF-formatted ones.
423 (scan_prog_file): Caller updated. Also allow for LTO info marker
424 symbol to be prefixed or not by an extra underscore.
426 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
427 * config/i386/winnt.c: Also #include lto-streamer.h
428 (i386_pe_asm_named_section): Specify 1-byte section alignment for
430 (i386_pe_asm_output_aligned_decl_common): Add comment.
431 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
433 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
436 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
437 Add missing earlyclobber for second alternative.
439 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
441 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
442 bits for artificial defs at the top of the block.
443 * fwprop.c (single_def_use_enter_block): Don't call it.
445 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
448 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
449 instead of "$gcc_cv_objdump -T".
450 Use "-undefined dynamic_lookup" on darwin.
451 * gcc/configure: Regenerate.
453 2010-04-26 Jakub Jelinek <jakub@redhat.com>
456 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
458 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
460 * c-parser.c (struct c_token): Move location field up.
461 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
462 (struct c_declspecs): Convert typespec_word, storage_class, and
463 default_int_p into bitfields.
464 (struct c_declarator): Move loc field up.
466 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
468 * cfgloop.h (struct loop): Move can_be_parallel field up.
469 * ipa-prop.h (struct ip_node_params): Move bitfields up.
470 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
472 (struct iv_cand): Convert pos field into a bitfield.
473 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
475 (struct _stmt_vec_info): Shuffle fields for better packing.
477 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
479 * varasm.c (IN_NAMED_SECTION): Remove guard.
480 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
481 (IN_NAMED_SECTION_P): ...this.
482 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
483 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
485 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
487 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
488 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
489 of shadowing it. Fix comments.
491 2010-04-26 Jan Hubicka <jh@suse.cz>
493 * cgraph.c (cgraph_create_node): Set node frequency to normal.
494 (cgraph_clone_node): Copy function frequency.
495 * cgraph.h (node_frequency): New enum
496 (struct cgraph_node): Add.
497 * final.c (rest_of_clean_state): Update.
498 * lto-cgraph.c (lto_output_node): Output node frequency.
499 (input_overwrite_node): Input node frequency.
500 * tre-ssa-loop-ivopts (computation_cost): Update.
501 * lto-streamer-out.c (output_function): Do not output function
503 * predict.c (maybe_hot_frequency_p): Update and handle functions
505 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
507 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
508 (compute_function_frequency): Set noreturn functions to be executed
510 (choose_function_section): Update.
511 * lto-streamer-in.c (input_function): Do not input function frequency.
512 * function.c (allocate_struct_function): Do not initialize function
514 * function.h (function_frequency): Remove.
515 (struct function): Remove function frequency.
516 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
517 (try_update): Update.
518 * tree-inline.c (initialize_cfun): Do not update function frequency.
519 * passes.c (pass_init_dump_file): Update.
520 * i386.c (ix86_compute_frame_layout): Update.
521 (ix86_pad_returns): Update.
523 2010-04-26 Jie Zhang <jie@codesourcery.com>
525 PR tree-optimization/43833
526 * tree-vrp.c (range_int_cst_p): New.
527 (range_int_cst_singleton_p): New.
528 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
529 when both operands are constants. Use range_int_cst_p in
532 2010-04-26 Jan Hubicka <jh@suse.cz>
534 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
536 2010-04-26 Richard Guenther <rguenther@suse.de>
539 * gimple.c (gimple_decl_printable_name): Deal gracefully
540 with a NULL DECL_NAME.
542 2010-04-26 Richard Guenther <rguenther@suse.de>
545 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
546 if emitting debug information and it is either a function
549 2010-04-26 Ira Rosen <irar@il.ibm.com>
551 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
552 determine if the statement is vectorizable, and a macro to access it.
553 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
554 Skip statements that can't be vectorized. If the analysis fails,
555 mark the statement as unvectorizable if vectorizing basic block.
556 (vect_compute_data_refs_alignment): Likewise.
557 (vect_verify_datarefs_alignment): Skip statements marked as
558 unvectorizable. Add print.
559 (vect_analyze_group_access): Skip statements that can't be
560 vectorized. If the analysis fails, mark the statement as
561 unvectorizable if vectorizing basic block.
562 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
563 * tree-vect-stmts.c (vectorizable_store): Fix the number of
564 generated stmts for SLP.
565 (new_stmt_vec_info): Initialize the new field.
566 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
567 statements marked as unvectorizable.
569 2010-04-25 Joseph Myers <joseph@codesourcery.com>
571 * c-common.c (flag_isoc1x): New.
572 (flag_isoc99): Update comment.
573 * c-common.h (flag_isoc1x): New.
574 (flag_isoc99): Update comment.
575 * c-cppbuiltin.c (builtin_define_float_constants): Also define
576 __<type>_DECIMAL_DIG__.
577 * c-opts.c (set_std_c1x): New.
578 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
579 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
580 * c.opt (-std=c1x, -std=gnu1x): New options.
581 * doc/cpp.texi: Mention -std=c1x.
582 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
583 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
584 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
585 * doc/standards.texi: Mention C1X.
586 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
587 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
588 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
591 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
593 * config/i386/gmon-sol2.c (_mcleanup): Change format string
594 placeholder from 0x%x to %#x.
595 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
596 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
597 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
598 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
599 * config/i386/i386.c (ix86_target_string): Ditto.
600 (output_pic_addr_const): Ditto.
601 (print_operand): Ditto.
603 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
605 * combine.c (find_split_point): Add third argument. Use it
606 to find nested multiply-accumulate instructions. Adjust calls.
607 (try_combine): Adjust call to find_split_point.
609 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
611 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
613 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
615 PR tree-optimization/41442
616 * fold-const.c (merge_truthop_with_opposite_arm): New function.
617 (fold_binary_loc): Call it.
619 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
621 * toplev.c (general_init): Set default for fdiagnostics-show-option.
622 * opts.c (common_handle_option): Allow disabling it.
623 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
625 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
627 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
628 between modes if both types are integral.
630 2010-04-23 Richard Guenther <rguenther@suse.de>
632 PR tree-optimization/43572
633 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
635 2010-04-23 Richard Guenther <rguenther@suse.de>
638 * tree-inline.c (tree_can_inline_p): Also check compatibility
641 2010-04-23 Martin Jambor <mjambor@suse.cz>
643 PR tree-optimization/43846
644 * tree-sra.c (struct access): New flag grp_assignment_read.
645 (build_accesses_from_assign): Set grp_assignment_read.
646 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
647 (enum mark_read_status): New type.
648 (analyze_access_subtree): Propagate grp_assignment_read, create
649 accesses also if both direct_read and root->grp_assignment_read.
651 2010-04-23 Martin Jambor <mjambor@suse.cz>
654 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
655 function does not have type attributes.
657 2010-04-23 Richard Guenther <rguenther@suse.de>
660 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
663 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
665 * sese.h (create_if_region_on_edge): Remove.
667 * sese.c (create_if_region_on_edge): Make static.
669 * tree-inline.c: Do not include ggc.h.
671 * expr.c: Do not include ggc.h.
673 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
676 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
679 * config/sh/sh.c (find_barrier): Don't emit a constant pool
680 in the middle of insns for casesi_worker_2.
682 2010-04-22 David Edelsohn <edelsohn@gnu.org>
684 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
686 2010-04-22 Ira Rosen <irar@il.ibm.com>
688 PR tree-optimization/43842
689 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
690 loop unrolling in update of exit phis. Fix comment.
691 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
692 least two reduction statements in the loop before starting SLP
695 2010-04-22 Nick Clifton <nickc@redhat.com>
697 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
699 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
701 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
704 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
706 * tree-parloops.c (loop_parallel_p): New argument
707 parloop_obstack. Pass it down.
708 (parallelize_loops): New variable parloop_obstack. Initialize it,
709 pass it down, free it.
711 * tree-loop-linear.c (linear_transform_loops): Pass down
714 * tree-data-ref.h (lambda_compute_access_matrices): New argument
715 of type struct obstack *.
717 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
718 scratch_obstack. Initialize it, pass down, free it.
720 * lambda.h (lambda_loop_new): Remove.
721 (lambda_matrix_new, lambda_matrix_inverse)
722 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
723 argument of type struct obstack *.
725 * lambda-trans.c (lambda_trans_matrix_new): New argument
726 lambda_obstack. Pass it down, use obstack allocation for ret.
727 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
730 * lambda-mat.c (lambda_matrix_get_column)
731 (lambda_matrix_project_to_null): Remove.
732 (lambda_matrix_new): New argument lambda_obstack. Use obstack
734 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
737 * lambda-code.c (lambda_loop_new): New function.
738 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
739 (lambda_compute_auxillary_space, lambda_compute_target_space)
740 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
741 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
742 (build_access_matrix): New argument lambda_obstack. Use obstack
744 (lambda_compute_step_signs, lambda_compute_access_matrices): New
745 argument lambda_obstack. Pass it down.
747 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
749 * optabs.h (expand_widening_mult): Declare.
751 2010-04-22 Richard Guenther <rguenther@suse.de>
753 PR tree-optimization/43845
754 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
755 lookup the CALL_EXPR function and arguments.
757 2010-04-22 Nick Clifton <nickc@redhat.com>
759 * config/stormy16/stormy16.c
760 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
761 * config/stormy16/stormy16.h: Tidy up formatting.
762 (DONT_USE_BUILTIN_SETJMP): Remove definition.
763 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
764 (ineqbranchsi): Delete pattern.
765 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
766 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
767 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
768 stormy16-lib2-ucmpsi2.c.
770 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
772 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
773 df_simulate_find_noclobber_defs as appropriate. Keep track of an
774 extra set merge_set_noclobber, and use it to relax the final test
776 * df.h (df_simulate_find_noclobber_defs): Declare.
777 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
779 (df_simulate_find_noclobber_defs): New function.
781 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
783 * config/i386/i386.md: Use {} around multi-line preparation statements.
785 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
787 * c-tree.h (push_init_level, pop_init_level, set_init_index)
788 (process_init_element): New argument of type struct obstack *.
790 * c-typeck.c (push_init_level, pop_init_level, set_designator)
791 (set_init_index, set_init_label, set_nonincremental_init)
792 (set_nonincremental_init_from_string, find_init_member)
793 (output_init_element, output_pending_init_elements)
794 (process_init_element): New argument braced_init_obstack. Pass it
796 (push_range_stack, add_pending_init): New argument
797 braced_init_obstack. Use obstack allocation.
799 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
800 braced_init_obstack. Pass it down.
801 (c_parser_braced_init): New variables ret, braced_init_obstack.
802 Initialize obstack, pass it down and finally free it.
804 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
807 * tree-pass.h (pass_optimize_widening_mul): Declare.
808 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
809 gate_optimize_widening_mul): New static functions.
810 (pass_optimize_widening_mul): New.
811 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
812 <case MULT_EXPR>: Remove support for widening multiplies.
813 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
814 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
815 simplify_gen_unary rather than directly building extensions.
816 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
818 * expmed.c (expand_widening_mult): New function.
819 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
821 2010-04-21 Jan Hubicka <jh@suse.cz>
823 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
824 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
825 * lto-wpa-fixup.c: Remove.
826 * Makefile.in (lto-wpa-fixup.o): Remove.
827 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
828 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
829 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
831 2010-04-21 Jan Hubicka <jh@suse.cz>
833 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
834 add write_optimization_summary, read_optimization_summary.
835 (ipa_write_summaries_of_cgraph_node_set): Remove.
836 (ipa_write_optimization_summaries): Declare.
837 (ipa_read_optimization_summaries): Declare.
838 * ipa-cp.c (pass_ipa_cp): Update.
839 * ipa-reference.c (pass_ipa_reference): Update.
840 * ipa-pure-const.c (pass_ipa_pure_const): Update.
841 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
843 * ipa-inline.c (pass_ipa_inline): Update.
844 * ipa.c (pass_ipa_whole_program): Update.
845 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
846 * passes.c (ipa_write_summaries_1): Do not test wpa.
847 (ipa_write_optimization_summaries_1): New.
848 (ipa_write_optimization_summaries): New.
849 (ipa_read_summaries): Do not test ltrans.
850 (ipa_read_optimization_summaries_1): New.
851 (ipa_read_optimization_summaries): New.
853 2010-04-21 Jan Hubicka <jh@suse.cz>
855 * lto-cgraph.c (lto_output_node): Do not output comdat groups
857 (output_cgraph): Do not arrange comdat groups for boundary nodes.
859 2010-04-21 Jakub Jelinek <jakub@redhat.com>
862 * dwarf2out.c (add_name_and_src_coords_attributes): Add
863 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
865 2010-04-21 Jan Hubicka <jh@suse.cz>
867 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
869 2010-04-21 Jan Hubicka <jh@suse.cz>
871 * varpool.c (decide_is_variable_needed): Variable is always needed
874 2010-04-21 Jan Hubicka <jh@suse.cz>
876 * opts.c (decode_options): Enable pure-const pass for whopr.
878 2010-04-21 Jan Hubicka <jh@suse.cz>
880 * cgraph.c (dump_cgraph_node): Dump also assembler name.
881 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
883 (cgraph_decide_inlining): Do not expect callee to be removed in all
886 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
888 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
890 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
892 * config/i386/i386.md (x86_shrd): Add athlon_decode and
893 amdfam10_decode attributes.
895 2010-04-21 Jakub Jelinek <jakub@redhat.com>
898 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
899 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
900 (lower_copyprivate_clauses): Use private var in outer
901 context instead of original var. Make sure the types
902 are correct for VLAs.
904 2010-04-21 Richard Guenther <rguenther@suse.de>
906 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
907 to non-pointer objects.
909 2010-04-21 Jakub Jelinek <jakub@redhat.com>
911 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
912 last chain entry if it starts with the still current label.
913 (add_location_or_const_value_attribute): Check that
914 loc_list->first->next is NULL instead of comparing ->first with ->last.
915 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
916 to add_var_loc_to_decl.
918 * dwarf2out.c (output_call_frame_info): For dw_cie_version
919 >= 4 add also address size and segment size fields into CIE header.
921 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
922 long as address size is the same as sizeof (void *) and
924 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
925 address size or segment size is unexpected, return DW_EH_PE_omit.
926 (classify_object_over_fdes): If get_cie_encoding returned
927 DW_EH_PE_omit, return -1.
928 (init_object): If classify_object_over_fdes returned -1,
929 pretend there were no FDEs at all.
931 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
933 * config/i386/i386.md (bswap<mode>2): Macroize expander from
934 bswap{si,di}2 using SWI48 mode iterator.
935 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
936 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
937 set modrm attribute of bswap insn to 0 and remove length attribute.
938 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
939 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
940 set mode attribute to <MODE> and remove length attribute.
942 2010-04-20 James E. Wilson <wilson@codesourcery.com>
944 PR rtl-optimization/43520
945 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
946 zero available registers.
948 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
950 * builtins.c (fold_builtin_cproj): Fold more cases.
952 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
954 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
955 (fold_builtin_1): Fold builtin cproj.
956 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
957 Use ATTR_CONST_NOTHROW_LIST.
959 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
961 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
962 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
963 ffsi2_no_cmove for !TARGET_CMOVE.
964 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
965 (ffssi2): Remove expander.
966 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
968 (ctz<mode>2): Ditto from ctz{si,di}2.
969 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
971 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
974 2010-04-20 Jakub Jelinek <jakub@redhat.com>
976 * dwarf2out.c (AT_linkage_name): Define.
977 (clone_as_declaration): Handle DW_AT_linkage_name.
978 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
979 of DW_AT_MIPS_linkage_name.
980 (move_linkage_attr): Likewise.
981 (dwarf2out_finish): Likewise.
983 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
986 * fold-const.c (fold_comparison): New folding rule.
988 2010-04-20 Anatoly Sokolov <aesok@post.ru>
990 * double-int.h (double_int_setbit): Declare.
991 * double-int.c (double_int_setbit): New function.
992 * rtl.h (immed_double_int_const): Declare.
993 * emit-rtl.c (immed_double_int_const): New function.
994 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
995 and immed_double_int_const functions.
996 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
997 expand_copysign_bit): (Ditto.).
998 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
999 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1000 * dojump.c (prefer_and_bit_test): (Ditto.).
1001 * expr.c (convert_modes, reduce_to_bit_field_precision,
1002 const_vector_from_tree): (Ditto.).
1003 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1005 2010-04-20 Jan Hubicka <jh@suse.cz>
1007 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1008 (dump_cgraph_node): Dump new flags.
1009 * cgraph.h (struct cgraph_node): Add flags
1010 reachable_from_other_partition and in_other_partition.
1011 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1012 other partition can not be removed.
1013 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1014 the other partition must be output; silence sanity checking on
1015 leaking functions bodies from other paritition.
1016 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1017 (lto_output_node): Output new flags; do not sanity check that inline
1018 clones are output; drop lto_forced_extern_inline_p code; do not mock
1019 visibility flags at partition boundaries.
1020 (add_node_to): New function.
1021 (output_cgraph): Use it to sort functions so masters appear before
1023 (input_overwrite_node): Input new flags.
1024 * passes.c (ipa_write_summaries): Do not call
1025 lto_new_extern_inline_states.
1026 * lto-section-out.c (forced_extern_inline,
1027 lto_new_extern_inline_states lto_delete_extern_inline_states,
1028 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1029 * lto-streamer.h (lto_new_extern_inline_states,
1030 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1031 lto_forced_extern_inline_p): Kill.
1033 2010-04-20 Richard Guenther <rguenther@suse.de>
1035 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1036 from vars that can have pointers.
1037 (process_constraint): Dump useless constraints.
1039 2010-04-20 Richard Guenther <rguenther@suse.de>
1041 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1042 (dump_sa_points_to_info): Remove asserts.
1043 (init_base_vars): nothing_id isn't an escape point nor does it
1046 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1048 * tree.h (TYPE_REF_IS_RVALUE): Define.
1049 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1050 should_move_die_to_comdat, prune_unused_types_walk): Handle
1051 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1052 (modified_type_die, gen_reference_type_die): Emit
1053 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1054 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1056 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1059 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1060 calls for -fpic -m31 if they have been sibcall optimized.
1062 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1064 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1065 ar.lc fixed and call-used.
1067 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1069 2010-04-19 Jan Hubicka <jh@suse.cz>
1071 * opts.c (decode_options): Disable whpr incompatible passes.
1072 * lto/lto.c (lto_1_to_1_map): Skip clones.
1073 (read_cgraph_and_symbols): Do not mark everything as needed.
1074 (do_whole_program_analysis): Do map only after optimizing;
1075 set proper cgraph_state; use passmanager.
1077 2010-04-19 DJ Delorie <dj@redhat.com>
1079 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1080 POINTER_PLUS_EXPR and fix them.
1082 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1084 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1085 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1086 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1087 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1088 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1089 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1090 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1091 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1092 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1093 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1094 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1096 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1098 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1099 (check_cond_move_block): Likewise.
1100 (cond_move_process_if_block): Likewise.
1101 (noce_find_if_block): Improve formatting.
1102 (find_if_header): Pass 0 to memset and tweak conditions.
1103 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1105 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1107 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1111 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1112 with non-local decl doesn't need chain.
1114 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1116 * ira-color.c (allocno_reload_assign): Avoid accumulating
1117 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1119 2010-04-19 Martin Jambor <mjambor@suse.cz>
1121 * gimple.h (create_tmp_reg): Declare.
1122 * gimplify.c (create_tmp_reg): New function.
1123 (gimplify_return_expr): Use create_tmp_reg.
1124 (gimplify_omp_atomic): Likewise.
1125 (gimple_regimplify_operands): Likewise.
1126 * tree-dfa.c (make_rename_temp): Likewise.
1127 * tree-predcom.c (predcom_tmp_var): Likewise.
1128 (reassociate_to_the_same_stmt): Likewise.
1129 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1130 (get_replaced_param_substitute): Likewise.
1131 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1132 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1133 * tree-ssa-pre.c (get_representative_for): Likewise.
1134 (create_expression_by_pieces): Likewise.
1135 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1136 (create_tailcall_accumulator): Likewise.
1138 2010-04-19 Martin Jambor <mjambor@suse.cz>
1140 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1142 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1144 2010-04-19 Richard Guenther <rguenther@suse.de>
1146 PR tree-optimization/43796
1147 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1148 from SCEV in the lattice.
1149 (vrp_visit_phi_node): Dump change.
1151 2010-04-19 Richard Guenther <rguenther@suse.de>
1153 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1154 * configure: Re-generated.
1156 2010-04-19 Richard Guenther <rguenther@suse.de>
1158 PR tree-optimization/43783
1159 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1160 constant ARRAY_REF operands two and three if possible.
1162 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1165 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1167 2010-04-19 Jie Zhang <jie@codesourcery.com>
1170 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1172 2010-04-19 Ira Rosen <irar@il.ibm.com>
1174 PR tree-optimization/37027
1175 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1176 and macro to access it.
1177 (vectorizable_reduction): Add argument.
1178 (vect_get_slp_defs): Likewise.
1179 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1180 statements for possible use in SLP.
1181 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1182 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1183 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1185 (vectorizable_reduction): Likewise.
1186 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1188 (vectorizable_type_demotion, vectorizable_type_promotion,
1189 vectorizable_store): Likewise.
1190 (vect_analyze_stmt): Update call to vectorizable_reduction.
1191 (vect_transform_stmt): Likewise.
1192 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1193 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1194 from different interleaving chains in same node.
1195 (vect_slp_rearrange_stmts): New function.
1196 (vect_supported_load_permutation_p): Allow load permutations for
1197 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1198 inside SLP nodes if necessary.
1199 (vect_analyze_slp_instance): Handle reductions.
1200 (vect_analyze_slp): Try to build SLP instances originating from groups
1202 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1203 (vect_get_constant_vectors): Create initial vectors for reductions
1204 according to reduction code. Add new argument.
1205 (vect_get_slp_defs): Add new argument, pass it to
1206 vect_get_constant_vectors.
1207 (vect_schedule_slp_instance): Remove SLP tree root statements.
1209 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1211 * tree.h (ENUM_IS_SCOPED): Define.
1212 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1213 for ENUM_IS_SCOPED enums.
1215 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1217 * fold-const.c (fold_comparison): Use ssizetype.
1218 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1219 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1220 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1221 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1223 * tree.h (initialize_sizetypes): Remove parameter.
1224 (build_common_tree_nodes): Remove second parameter.
1225 * stor-layout.c (initialize_sizetypes): Remove parameter.
1226 Always create an unsigned type.
1227 (set_sizetype): Assert that the passed type is unsigned and simplify.
1228 * tree.c (build_common_tree_nodes): Remove second parameter.
1229 Adjust call to initialize_sizetypes.
1230 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1231 build_common_tree_nodes.
1233 2010-04-18 Matthias Klose <doko@ubuntu.com>
1235 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1237 2010-04-18 Ira Rosen <irar@il.ibm.com>
1239 PR tree-optimization/43771
1240 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1241 load permutation doesn't have gaps.
1243 2010-04-18 Jan Hubicka <jh@suse.cz>
1245 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1246 (sse_prologue_save_insn expander): Use new pattern.
1247 (sse_prologue_save_insn1): New pattern and splitter.
1248 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1250 * i386.c (setup_incoming_varargs_64): Do not compute jump
1252 (ix86_gimplify_va_arg): Update alignment needed.
1253 (ix86_local_alignment): Do not align all local arrays to 128bit.
1255 2010-04-17 Jan Hubicka <jh@suse.cz>
1257 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1259 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1261 * arm.md (negdi2): Remove redundant code to force values into a
1264 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1266 * arm/bpabi.S: Add EABI alignment attributes to objects.
1267 * arm/bpabi-v6m.S: Likewise.
1268 * arm/crti.asm: Likewise.
1269 * arm/crtn.asm: Likewise.
1270 * arm/lib1funcs.asm: Likewise.
1271 * arm/libunwind.S: Likewise.
1273 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1275 * arm-protos.h (tune_params): New structure.
1276 * arm.c (current_tune): New variable.
1277 (arm_constant_limit): Delete.
1278 (struct processors): Add pointer to the tune parameters.
1279 (arm_slowmul_tune): New tuning option.
1280 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1281 (all_cores): Adjust to pick up the tuning model.
1282 (arm_constant_limit): New function.
1283 (arm_override_options): Select the appropriate tuning model. Delete
1284 initialization of arm_const_limit.
1285 (arm_split_constant): Use the new constant-limit model.
1286 (arm_rtx_costs): Pick up the current tuning model.
1287 * arm.md (is_strongarm, is_xscale): Delete.
1288 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1289 for Xscale variant architectures.
1290 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1292 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1294 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1296 (arm_rtx_costs_1): Remove unused variable extra_cost.
1297 (arm_unwind_emit_set): Use variable offset.
1298 (thumb1_output_casesi): Remove unused variable flags.
1300 2010-04-16 Jeff Law <law@redhat.com>
1302 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1303 needing assignment rather than doing a two-phase assignment. Remove
1304 unused variable 'm'.
1306 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1309 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1311 2010-04-16 Doug Kwan <dougkwan@google.com>
1313 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1314 (next_operand_entry_id): New static variable.
1315 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1316 (add_to_ops_vec): Assigned unique ID to operand entry.
1317 (struct oecount_s): New field ID.
1318 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1319 (undistribute_ops_list): Assign unique IDs to oecounts.
1320 (init_reassoc): reset next_operand_entry_id.
1322 2010-04-16 Doug Kwan <dougkwan@google.com>
1324 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1325 missing left parenthesis.
1327 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1329 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1330 *btdi_rex64 using SWI48 mode iterator.
1331 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1332 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1333 *jcc_btdi_mask_rex64.
1335 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1337 * double-int.h (tree_to_double_int): Convert to macro.
1338 * double-int.c (tree_to_double_int): Remove.
1340 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1343 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1344 with want_address 2 and in case a single element list might be
1345 possible, call it again with want_address 0.
1347 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1349 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1350 case 'W' print operands for HI mode.
1351 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1352 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1353 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1354 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1356 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1358 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1359 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1360 #xx:3 and #xx:4 mode.
1362 * config/h8300/h8300.md (inverted load with HImode dest): Add
1363 support for H8300SX.
1365 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1366 satisfy 'U' constraint.
1368 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1370 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1371 * configure: Regenerate.
1372 * config.in: Regenerate.
1373 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1376 2010-04-16 Richard Guenther <rguenther@suse.de>
1378 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1379 (struct tree_decl_common): ... here.
1380 (DECL_PT_UID): Adjust.
1381 (SET_DECL_PT_UID): Likewise.
1382 (DECL_PT_UID_SET_P): Likewise.
1384 2010-04-16 Richard Guenther <rguenther@suse.de>
1386 PR tree-optimization/43572
1387 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1388 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1389 * tree-flow.h (is_call_clobbered): Remove.
1390 * tree-flow-inline.h (is_call_clobbered): Likewise.
1391 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1392 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1393 (execute_return_slot_opt): Adjust.
1394 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1395 check for call clobbered vars here.
1396 (find_tail_calls): Move tailcall verification to the
1399 2010-04-16 Diego Novillo <dnovillo@google.com>
1401 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1403 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1406 * config/arm/arm.md (cbranchqi4): New pattern.
1407 * config/arm/predicates.md (const0_operand,
1408 cbranchqi4_comparison_operator): New predicates.
1410 2010-04-16 Richard Guenther <rguenther@suse.de>
1412 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1413 (dump_gimple_stmt): Likewise.
1415 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1417 * recog.h (struct recog_data): New field is_operator.
1418 (struct insn_operand_data): New field is_operator.
1419 * recog.c (extract_insn): Set recog_data.is_operator.
1420 * genoutput.c (output_operand_data): Emit code to set the
1422 * reload.c (find_reloads): Use it rather than testing for an
1423 empty constraint string.
1426 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1427 If the previous insn is a cbranchsi4_insn with the same arguments,
1428 omit the compare instruction.
1430 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1431 register, inputs must be low registers and we need a low register
1432 scratch. Handle alternative 2 like alternative 3.
1434 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1436 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1437 don't call get_addr on both. If one expression is a VALUE and
1438 the other a REG, check VALUE's locs if the REG isn't among them.
1440 2010-04-16 Christian Bruel <christian.bruel@st.com>
1442 * config/sh/sh.h (sh_frame_pointer_required): New function.
1443 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1444 (flag_omit_frame_pointer) Set.
1445 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1446 (rounded_frame_size): Adjust size with outgoing_args_size.
1447 (sh_set_return_address): Must return from stack pointer.
1448 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1449 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1450 (ACCUMULATE_OUTGOING_ARGS): Define.
1451 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1452 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1454 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1457 * config/sh/sh.c (sh_legitimize_reload_address): Use
1458 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1459 Remove a unneeded check for offset_base.
1461 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1463 * configure: Regenerated.
1465 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1467 * config/s390/s390.c (s390_call_save_register_used): Switch back
1468 to HARD_REGNO_NREGS.
1470 2010-04-15 Richard Guenther <rguenther@suse.de>
1472 * alias.c (alias_set_subset_of): Handle alias-set zero
1475 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1476 Julian Brown <julian@codesourcery.com>
1478 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1479 alternatives according to use of high and low regs.
1480 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1481 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1482 optimizing for size on Thumb-2.
1484 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1486 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1488 2010-04-15 Richard Guenther <rguenther@suse.de>
1490 * tree-ssa-structalias.c (struct variable_info): Add
1492 (new_var_info): Initialize it.
1493 (dump_constraints): Support printing last added constraints.
1494 (debug_constraints): Adjust.
1495 (dump_constraint_graph): Likewise.
1496 (make_heapvar_for): Check for NULL cfun.
1497 (get_function_part_constraint): New function.
1498 (get_fi_for_callee): Likewise.
1499 (find_func_aliases): Properly implement IPA PTA constraints.
1500 (process_ipa_clobber): New function.
1501 (find_func_clobbers): Likewise.
1502 (insert_into_field_list_sorted): Remove.
1503 (create_function_info_for): Properly allocate vars for IPA mode.
1504 Do not use insert_into_field_list_sorted.
1505 (create_variable_info_for): Properly generate constraints for
1506 global vars in IPA mode.
1507 (dump_solution_for_var): Always dump the solution.
1508 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1509 (find_what_var_points_to): Adjust.
1510 (pt_solution_set): Change.
1511 (pt_solution_ior_into): New function.
1512 (pt_solution_empty_p): Export.
1513 (pt_solution_includes_global): Adjust.
1514 (pt_solution_includes_1): Likewise.
1515 (pt_solutions_intersect_1): Likewise.
1516 (dump_sa_points_to_info): Check some invariants.
1517 (solve_constraints): Move constraint dumping ...
1518 (compute_points_to_sets): ... here.
1519 (ipa_pta_execute): ... and here.
1520 (compute_may_aliases): Do not re-compute points-to info
1521 locally if IPA info is available.
1522 (ipa_escaped_pt): New global var.
1523 (ipa_pta_execute): Properly implement IPA PTA.
1524 * tree-into-ssa.c (dump_decl_set): Support dumping
1525 decls not in referenced-vars.
1526 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1527 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1528 (dump_points_to_solution): Likewise.
1529 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1530 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1531 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1532 (copy_decl_to_var): Copy DECL_PT_UID.
1533 (copy_result_decl_to_var): Likewise.
1534 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1535 (copy_node_stat): Copy it.
1536 * tree.h (DECL_PT_UID): New macro.
1537 (SET_DECL_PT_UID): Likewise.
1538 (DECL_PT_UID_SET_P): Likewise.
1539 (struct tree_decl_minimal): Add pt_uid member.
1540 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1541 (pt_solution_empty_p): Declare.
1542 (pt_solution_set): Adjust.
1543 (ipa_escaped_pt): Declare.
1544 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1545 * gimple-pretty-print.c (pp_points_to_solution): New function.
1546 (dump_gimple_call): Dump call clobber/use information.
1547 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1548 * tree-pass.h (TDF_ALIAS): New dump option.
1549 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1550 * doc/invoke.texi (-fipa-pta): Update documentation.
1552 2010-04-15 Richard Guenther <rguenther@suse.de>
1554 * Makefile.in (OBJS-common): Add gimple-fold.o.
1555 (gimple-fold.o): New rule.
1556 * tree.h (maybe_fold_offset_to_reference,
1557 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1559 * gimple.h: ... here.
1560 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1561 may_propagate_address_into_dereference): Move prototypes ...
1562 * gimple.h: ... here.
1563 * tree-ssa-ccp.c (get_symbol_constant_value,
1564 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1565 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1566 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1567 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1568 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1569 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1570 gimplify_and_update_call_from_tree): Move ...
1571 * gimple-fold.c: ... here. New file.
1572 (ccp_fold_builtin): Rename to ...
1573 (gimple_fold_builtin): ... this.
1574 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1576 2010-04-15 Richard Guenther <rguenther@suse.de>
1578 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1579 fit_double_type, force_fit_type_double, add_double_with_sign,
1580 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1581 lrotate_double, rrotate_double, div_and_round_double): Move ...
1582 * double-int.c: ... here.
1583 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1584 add_double, neg_double, mul_double_with_sign, mul_double,
1585 lshift_double, rshift_double, lrotate_double, rrotate_double,
1586 div_and_round_double): Move prototypes ...
1587 * double-int.h: ... here.
1589 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1592 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1593 matching constraints to ensure inputs match the output.
1595 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1598 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1599 in an input-only operand.
1601 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1603 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1604 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1605 (double_int_negative_p): Convert to static inline function.
1606 * double-int.c (double_int_lshift, double_int_lshift): New functions.
1607 (double_int_negative_p): Remove.
1608 * tree.h (lshift_double, rshift_double):
1609 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1610 * fold-const.c (fold_convert_const_int_from_real,
1611 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1612 (lshift_double): Change type of arith argument to bool.
1613 (rshift_double): Change type of arith argument to bool. Correct
1615 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1617 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1620 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1621 at the start and end of the then/else blocks, and omit them from the
1623 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1624 argument; all callers changed. Pass zero to old_insns_match_p instead.
1625 (flow_find_head_matching_sequence): New function.
1626 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1627 * basic-block.h (flow_find_cross_jump,
1628 flow_find_head_matching_sequence): Declare functions.
1630 2010-04-14 Jason Merrill <jason@redhat.com>
1633 * c-common.c (attribute_takes_identifier_p): New fn.
1634 * c-common.h: Declare it.
1636 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1638 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1640 (*udivmod<mode>4): Ditto.
1642 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1644 * config/i386/i386.md (maxmin_int): Rename code attribute from
1645 maxminiprefix and update all users.
1646 (maxmin_float): Ditto from maxminfprefix.
1647 (logic): Ditto from logicprefix.
1648 (absneg_mnemonic): Ditto from absnegprefix.
1649 * config/i386/mmx.md: Update all users of maxminiprefix,
1650 maxminfprefix and logicprefix for rename.
1651 * config/i386/sse.md: Ditto.
1652 * config/i386/sync.md (sync_<code><mode>): Update for
1655 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1658 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1659 warnings converted to errors.
1661 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1663 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1664 used insn_type variable.
1665 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1666 to avoid set-but-not-used warning.
1668 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1670 * df-core.c (df_ref_debug): Change format string placeholder
1672 * dwarf2asm.c (dw2_asm_output_data_raw,
1673 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1674 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1675 * dwarf2out.c (output_cfi, output_cfi_directive,
1676 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1677 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1679 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1680 * print-rtl.c (print_rtx): Ditto.
1682 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1685 * builtins.c (expand_builtin_pow_root): New function to expand pow
1686 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1687 series of sqrt and cbrt calls under -ffast-math.
1688 (expand_builtin_pow): Call it.
1690 2010-04-14 Michael Matz <matz@suse.de>
1692 PR tree-optimization/42963
1693 * tree-cfg.c (touched_switch_bbs): New static variable.
1694 (group_case_labels_stmt): New function broken out from ...
1695 (group_case_labels): ... here, use the above.
1696 (start_recording_case_labels): Allocate touched_switch_bbs.
1697 (end_recording_case_labels): Deallocate it, call
1698 group_case_labels_stmt.
1699 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1701 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1703 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1706 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1708 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1710 2010-04-13 Jan Hubicka <jh@suse.cz>
1712 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1713 of optimized out static functions.
1714 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1715 cost computation. Also sanity check for overflows.
1716 (update_caller_keys): Update cgraph_edge_badness call; properly
1717 update fibheap and sanity check that it is up to date.
1718 (add_new_edges_to_heap): Update cgraph_edge_badness.
1719 (cgraph_decide_inlining_of_small_function): Likewise;
1720 add sanity checking that badness in heap is up to date;
1721 improve dumping of reason; Update badness of calls to the
1722 offline copy of function currently inlined; dump badness
1723 of functions not inlined because of unit growth limits.
1725 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1728 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1729 because of sign-extension change when converting to sizetype here...
1730 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1732 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1733 the folding to constants. Remove redundant final conversion.
1734 (fold_binary) <associate>: Do not associate if the re-association of
1735 constants alone overflows.
1736 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1737 to the end of the list.
1738 (multiple_of_p) <COND_EXPR>: New case.
1740 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1742 * opt-functions.awk (opt_sanitized_name): New.
1744 * optc-gen.awk: Use it
1745 * opth-gen.awk: Use it.
1747 2010-04-13 Martin Jambor <mjambor@suse.cz>
1749 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1750 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1751 children. Call replace_uses_with_default_def_ssa_name to handle
1754 2010-04-13 Michael Matz <matz@suse.de>
1757 * builtins.c (expand_builtin_interclass_mathfn): Also create
1758 a register if the predicate doesn't match.
1760 2010-04-13 Diego Novillo <dnovillo@google.com>
1762 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1763 * c-pch.c: Include timevar.h.
1764 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1765 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1766 * ggc-common.c: Include timevar.h.
1767 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1768 * timevar.def (TV_PCH_SAVE): Define.
1769 (TV_PCH_CPP_SAVE): Define.
1770 (TV_PCH_PTR_REALLOC): Define.
1771 (TV_PCH_PTR_SORT): Define.
1772 (TV_PCH_RESTORE): Define.
1773 (TV_PCH_CPP_RESTORE): Define.
1775 2010-04-13 Michael Matz <matz@suse.de>
1777 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1779 (can_reassociate_p): New function.
1780 (break_up_subtract_bb, reassociate_bb): Use it.
1782 2010-04-13 Richard Guenther <rguenther@suse.de>
1785 * builtins.c (c_readstr): Fix assert.
1787 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1789 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1790 when generating cltd insn.
1792 (*ashl<mode>3_1): Remove special handling for register operand 2.
1793 (*ashlsi3_1_zext): Ditto.
1794 (*ashlhi3_1): Ditto.
1795 (*ashlhi3_1_lea): Ditto.
1796 (*ashlqi3_1): Ditto.
1797 (*ashlqi3_1_lea): Ditto.
1798 (*<shiftrt_insn><mode>3_1): Ditto.
1799 (*<shiftrt_insn>si3_1_zext): Ditto.
1800 (*<shiftrt_insn>qi3_1_slp): Ditto.
1801 (*<rotate_insn><mode>3_1): Ditto.
1802 (*<rotate_insn>si3_1_zext): Ditto.
1803 (*<rotate_insn>qi3_1_slp): Ditto.
1805 2010-04-13 Richard Guenther <rguenther@suse.de>
1807 * tree-ssa-structalias.c (callused_id): Remove.
1808 (call_stmt_vars): New.
1809 (get_call_vi): Likewise.
1810 (lookup_call_use_vi): Likewise.
1811 (lookup_call_clobber_vi): Likewise.
1812 (get_call_use_vi): Likewise.
1813 (get_call_clobber_vi): Likewise.
1814 (make_transitive_closure_constraints): Likewise.
1815 (handle_const_call): Adjust to do per-call call-used handling.
1816 (handle_pure_call): Likewise.
1817 (find_what_var_points_to): Remove general callused handling.
1818 (init_base_vars): Likewise.
1819 (init_alias_vars): Initialize call_stmt_vars.
1820 (compute_points_to_sets): Process call-used and call-clobbered
1821 vars for call statements.
1822 (delete_points_to_sets): Free call_stmt_vars.
1824 2010-04-13 Richard Guenther <rguenther@suse.de>
1826 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1827 Only add RW dependence for dependence distance zero.
1828 Adjust maximal vectorization factor according to dependences.
1829 Move alignment handling ...
1830 (vect_find_same_alignment_drs): ... here. New function.
1831 (vect_analyze_data_ref_dependences): Adjust.
1832 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1833 (vect_analyze_data_refs): Adjust minimal vectorization factor
1834 according to data references.
1835 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1836 dependences before determining the vectorization factor.
1837 Analyze alignment after determining the vectorization factor.
1838 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1839 dependences before alignment.
1840 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1842 (vect_analyze_data_refs): Likewise.
1843 (MAX_VECTORIZATION_FACTOR): New define.
1845 2010-04-13 Duncan Sands <baldrick@free.fr>
1847 * except.h (lang_eh_type_covers): Remove.
1848 * except.c (lang_eh_type_covers): Likewise.
1850 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1851 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1853 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1854 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1855 UNITS_PER_LONG where it is ABI relevant.
1856 (s390_return_addr_rtx): Likewise.
1857 (s390_back_chain_rtx): Likewise.
1858 (s390_frame_area): Likewise.
1859 (s390_frame_info): Likewise.
1860 (s390_initial_elimination_offset): Likewise.
1861 (save_gprs): Likewise.
1862 (s390_emit_prologue): Likewise.
1863 (s390_emit_epilogue): Likewise.
1864 (s390_function_arg_advance): Likewise.
1865 (s390_function_arg): Likewise.
1866 (s390_va_start): Likewise.
1867 (s390_gimplify_va_arg): Likewise.
1868 (s390_function_profiler): Likewise.
1869 (s390_optimize_prologue): Likewise.
1870 (s390_rtx_costs): Likewise.
1871 (s390_secondary_reload): Likewise.
1872 (s390_promote_function_mode): Likewise.
1873 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1874 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1875 registers available.
1876 (s390_unwind_word_mode): New function.
1877 (s390_function_value): Split 64 bit values into register pair if
1878 used as return value.
1879 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1880 function call parameters. Handle parallels.
1881 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1882 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1883 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1884 (s390_expand_setmem): Remove unused variable src_addr.
1885 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1886 deal with 64 bit registers.
1887 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1888 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1889 (UNITS_PER_LONG): New macro.
1890 * libjava/include/s390-signal.h: Define extended ucontext
1891 structure containing the upper halfs of the 64 bit registers.
1893 2010-04-13 Simon Baldwin <simonb@google.com>
1895 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1897 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1899 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1900 rvalue on the RHS if the LHS is of a non-renamable type.
1901 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1903 2010-04-13 Matthias Klose <doko@ubuntu.com>
1905 * gcc.c (cc1_options): Handle -iplugindir before processing
1906 the cc1 spec. Only add -iplugindir once.
1907 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1909 * common.opt (iplugindir): Remove `Separate' property, initialize.
1910 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1912 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1913 (distclean): Remove plugin dir.
1914 * doc/invoke.texi: Document -iplugindir.
1916 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1918 * doc/plugins.texi (Loading Plugins): Document short
1919 -fplugin=foo option.
1920 (Plugin API): Mention default_plugin_dir_name function.
1922 * gcc.c (find_file_spec_function): Add new declaration.
1923 (static_spec_func): Use it for "find-file".
1924 (find_file_spec_function): Add new function.
1925 (cc1_options): Add -iplugindir option if -fplugin* options found.
1927 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1929 * plugin.c (add_new_plugin): Updated comment, and handle short
1931 (default_plugin_dir_name): Added new function.
1933 * common.opt (iplugindir): New option to set the plugin directory.
1935 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1937 * config/i386/i386.md (any_rotate): New code iterator.
1938 (rotate_insn): New code attribute.
1940 (SWIM124): New mode iterator.
1941 (<rotate_insn>ti3): New expander.
1942 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1943 any_rotate code iterator.
1944 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1945 using any_rotate code iterator and SWIM124 mode iterator.
1946 (ix86_rotlti3): New insn_and_split pattern.
1947 (ix86_rotrti3): Ditto.
1948 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1949 ix86_rotl{di,ti}3 patterns.
1950 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1951 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1952 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1953 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1954 code iterator and SWI mode iterator.
1955 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1956 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1958 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1959 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1960 (bswap rotatert splitter): Add splitter.
1961 (bswap splitter): Macroize splitter using any_rotate code iterator.
1962 Add insn predicate to split only for TARGET_USE_XCHGB or when
1963 optimizing function for size.
1965 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1967 * config/pa/pa.c (emit_move_sequence): Remove use of
1968 deleted variable flag_argument_noalias.
1970 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1972 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1974 Add to unsupported targets list.
1975 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1976 sparc*-sun-solaris2.[567]* from target lists.
1977 * configure: Regenerate.
1978 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1980 Remove Solaris 7 patch references.
1981 (Specific, sparc-sun-solaris2.7): Removed.
1982 (sparc-sun-solaris2*): Update Solaris 7 example.
1983 (sparc64-*-solaris2*): Likewise.
1985 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1987 * config.build (alpha*-dec-osf4*): Remove.
1988 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1989 of obsolete configurations.
1990 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1992 * config/alpha/t-osf4: Renamed to ...
1993 * config/alpha/t-osf5: ... this.
1994 * config/alpha/osf.h: Renamed to ...
1995 * config/alpha/osf5.h: ... this.
1996 Merged old osf5.h contents.
1998 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1999 (EXTRA_SPECS): Removed.
2000 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2001 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2004 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2006 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2008 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2011 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2012 __thiscall convention.
2014 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2016 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2018 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2020 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2022 * function.c (assign_parms_initialize_all): Add unused attribute
2025 2010-04-12 Richard Guenther <rguenther@suse.de>
2027 * gsstruct.def (GSS_CALL): New.
2028 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2029 * gimple.h: Include tree-ssa-alias.h.
2030 (struct gimple_statement_call): New.
2031 (union gimple_statement_struct_d): Add gimple_call member.
2032 (gimple_call_reset_alias_info): Declare.
2033 (gimple_call_use_set): New function.
2034 (gimple_call_clobber_set): Likewise.
2035 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2036 * gimple.c (gimple_call_reset_alias_info): New function.
2037 (gimple_build_call_1): Call it.
2038 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2039 * tree-inline.c (remap_gimple_stmt): Likewise.
2040 (expand_call_inline): Remove callused handling.
2041 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2042 * tree-dfa.c (dump_variable): Likewise.
2043 * tree-parloops.c (parallelize_loops): Likewise.
2044 * tree-ssa.c (init_tree_ssa): Likewise.
2045 (delete_tree_ssa): Likewise.
2046 * tree-flow-inline.h (is_call_used): Remove.
2047 * tree-flow.h (struct gimple_df): Remove callused member.
2048 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2049 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2050 (ref_maybe_used_by_call_p_1): Simplify.
2051 (call_may_clobber_ref_p_1): Likewise.
2052 * tree-ssa-structalias.c (compute_points_to_sets): Set
2053 the call stmt used and clobbered sets.
2054 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2055 (find_tail_calls): Verify the tail call.
2057 2010-04-12 Richard Guenther <rguenther@suse.de>
2059 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2060 single-iteration always-inline inlining.
2061 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2062 (cgraph_decide_inlining): Do not handle always-inline specially.
2063 (try_inline): Remove always-inline cycle detection special case.
2064 Do not recurse on always-inlines.
2065 (cgraph_early_inlining): Do not iterate if not optimizing.
2066 (cgraph_gate_early_inlining): remove.
2067 (pass_early_inline): Run unconditionally.
2068 (gate_cgraph_decide_inlining): New function.
2069 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2070 not inlining or optimizing.
2071 (cgraph_decide_inlining_of_small_functions): Also consider
2072 always-inline functions.
2073 (cgraph_default_inline_p): Return true for nodes which should
2074 disregard inline limits.
2075 (estimate_function_body_sizes): Assume zero size and time for
2076 nodes which are marked as disregarding inline limits.
2077 (cgraph_decide_recursive_inlining): Do not perform recursive
2078 inlining on always-inline nodes.
2080 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2083 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2084 for exprs satisfying handled_component_p.
2086 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2088 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2089 non-constant aggregate elements.
2091 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2092 is a real initialization.
2094 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2097 * c-decl.c (start_function): Move forward check for nested function.
2099 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2101 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2102 * config/sh/sh.c: Include reload.h.
2103 (sh_legitimize_reload_address): New.
2104 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2105 sh_legitimize_reload_address.
2107 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2109 * config/sh/sh.md (*movqi_pop): New insn pattern.
2110 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2112 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2114 * config/i386/i386.md (any_shiftrt): New code iterator.
2115 (shiftrt_insn): New code attribute.
2117 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2118 using any_shiftrt code iterator.
2119 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2120 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2121 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2122 pattern from corresponding peephole2 patterns.
2123 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2124 using any_shiftrt code iterator.
2125 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2126 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2127 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2128 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2129 *{ashr,lshr}<mode>3_cmp_zext.
2130 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2132 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2134 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2136 (*lshr<mode>3_cconly): Ditto.
2138 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2140 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2141 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2142 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2143 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2145 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2146 from corresponding peephole2 patterns.
2147 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2148 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2149 and *lshrdi3_1_rex64 using SWI mode iterator.
2150 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2151 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2152 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2153 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2154 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2155 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2156 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2157 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2158 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2161 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2163 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2164 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2165 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2166 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2168 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2169 from corresponding peephole2 patterns.
2170 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2171 (ashrsi3_cvt): Rename from ashrsi3_31.
2172 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2173 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2174 and x86_64_shift_adj_3 using SWI48 mode iterator.
2175 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2176 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2177 and *ashrdi3_1_rex64 using SWI mode iterator.
2178 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2179 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2180 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2181 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2182 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2183 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2184 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2185 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2186 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2188 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2189 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2190 x86_shift<mode>_adj_3 expanders.
2192 2010-04-10 Wei Guozhi <carrot@google.com>
2195 * config/arm/arm.c (arm_pic_static_addr): New function.
2196 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2198 (arm_output_addr_const_extra): Output expression for new pattern.
2199 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2201 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2203 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2206 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2207 * web.c: Include "insn-config.h" and "recog.h".
2208 (union_match_dups): New function.
2209 (web_main): Call it.
2210 (union_defs): Don't try to recognize match_dups.
2212 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2213 if doing so would replace the entire pattern.
2215 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2219 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2220 and splitter pattern. Change splitter operand 1 predicate to
2223 2010-04-09 Martin Jambor <mjambor@suse.cz>
2225 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2226 lattices are addresses of CONST_DECLs with the same initial value.
2227 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2228 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2230 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2231 Bernd Schmidt <bernds@codesourcery.com>
2233 * loop-invariant.c (replace_uses): New static function.
2234 (move_invariant_reg): Use it to ensure we can replace the uses.
2236 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2238 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2240 (picochip_override_options): Enable section anchors only above -O1.
2241 (picochip_reorg): Fixed a couple of build warnings.
2243 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2245 * configure.ac (plugin -rdynamic test): Log result.
2246 * configure: Regenerate.
2247 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2248 (RDYNAMIC_SPEC): Define.
2249 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2251 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2253 * configure.ac: Determine Sun ld version numbers.
2254 (comdat_group): Restrict GNU ld version checks to gld.
2255 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2256 (enable_comdat): Support --enable-comdat.
2257 * configure: Regenerate.
2258 * doc/install.texi (Configuration): Document --enable-comdat.
2260 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2262 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2263 * config/sol2-gld.h: ... here.
2264 * config.gcc (sparc*-*-solaris2*): Reflect this.
2265 (i[34567]86-*-solaris2*): Use it.
2267 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2269 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2271 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2273 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2276 * diagnostic.c (diagnostic_initialize): Initialize
2277 some_warnings_are_errors.
2278 (diagnostic_finish): New.
2279 (diagnostic_action_after_output): Call it before exiting.
2280 (diagnostic_report_diagnostic): Do not print message here. Set
2281 some_warnings_are_errors.
2282 * diagnostic.h (diagnostic_context): Delete
2283 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2284 (diagnostic_finish): Declare.
2285 * toplev.c (toplev_main): Call it before exit.
2287 2010-04-09 Jason Merrill <jason@redhat.com>
2290 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2291 for incomplete type.
2294 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2295 based on a warning flag.
2297 2010-04-09 Richard Guenther <rguenther@suse.de>
2299 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2301 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2304 * varasm.c (default_assemble_visibility): Wrap vars that are
2305 set, but unused, by targets without GAS.
2306 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2307 Remove set, but unused, vars.
2308 (rs6000_legitimize_tls_address): Likewise.
2309 (altivec_expand_dst_builtin): Likewise.
2310 * config/darwin.c (machopic_classify_symbol): Likewise.
2311 (machopic_indirection_name): Likewise.
2313 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2315 * config/i386/i386.md (DWI): New mode iterator.
2316 (S): New mode attribute.
2317 (shift_operand): Ditto.
2318 (shift_immediate_operand): Ditto.
2319 (ashl_input_operand): Ditto.
2320 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2321 using SDWIM mode iterator.
2322 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2323 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2325 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2326 from corresponding peephole2 patterns.
2327 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2328 and x86_64_shift_adj_1 using SWI48 mode iterator.
2329 (x86_shift<mode>_adj_2): Ditto.
2330 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2331 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2332 using SWI48 mode iterator.
2333 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2334 *ashldi3_cmp_rex64 using SWI mode iterator.
2335 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2336 *ashldi3_cconly_rex64 using SWI mode iterator.
2337 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2338 x86_shift<mode>_adj_{1,2}.
2339 (ix86_split_ashr): Ditto.
2340 (ix86_split_lshr): Ditto.
2342 2010-04-09 Richard Guenther <rguenther@suse.de>
2344 * target.h (builtin_conversion): Pass in input and output types.
2345 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2346 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2347 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2348 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2350 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2352 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2354 2010-04-09 Richard Guenther <rguenther@suse.de>
2357 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2359 2010-04-09 Richard Guenther <rguenther@suse.de>
2361 * tree-vectorizer.h (struct _stmt_vec_info): Document
2362 that vectype is the type of the LHS.
2363 (supportable_widening_operation, supportable_narrowing_operation):
2364 Get both input and output vector types as arguments.
2365 (vect_is_simple_use_1): Declare.
2366 (get_same_sized_vectype): Likewise.
2367 * tree-vect-loop.c (vect_determine_vectorization_factor):
2368 Set STMT_VINFO_VECTYPE to the vector type of the def.
2369 (vectorizable_reduction): Adjust.
2370 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2371 Adjust. Specify the output vector type.
2372 (vect_pattern_recog_1): Adjust.
2373 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2374 (vectorizable_call): Adjust.
2375 (vectorizable_conversion): Likewise.
2376 (vectorizable_operation): Likewise.
2377 (vectorizable_type_demotion): Likewise.
2378 (vectorizable_type_promotion): Likewise.
2379 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2381 (vect_is_simple_use_1): New function.
2382 (supportable_widening_operation): Get both input and output
2384 (supportable_narrowing_operation): Likewise.
2385 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2387 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2389 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2390 __thiscall and _thiscall as predefined macros.
2391 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2392 thiscall attribute handling.
2393 (ix86_comp_type_attributes): Likewise.
2394 (ix86_function_regparm): Likewise.
2395 (ix86_return_pops_args): Likewise.
2396 (init_cumulative_args): Likewise.
2397 (find_drap_reg): Likewise.
2398 (ix86_static_chain): Likewise.
2399 (x86_this_parameter): Likewise.
2400 (x86_output_mi_thunk): Likewise.
2401 (ix86_attribute_table): Add description for thiscall attribute.
2402 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2403 * doc/extend.texi: Add documentation for thiscall.
2405 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2408 * c.opt (Wint-to-pointer-cast): Available in C++.
2409 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2411 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2413 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2414 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2415 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2416 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2417 function type instead. Reorder and simplify checks.
2419 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2421 2010-04-08 Jing Yu <jingyu@google.com>
2422 Zdenek Dvorak <ook@ucw.cz>
2424 PR tree-optimization/42720
2425 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2426 loop unswitch conditions here from ...
2427 (tree_unswitch_single_loop): ... here.
2429 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2431 * tree-if-conv.c: Fix comments and simplify logic.
2433 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2435 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2436 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2437 (main_tree_if_conversion): Update call to tree_if_conversion.
2439 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2442 * doc/invoke.texi (-b,-V): Delete.
2443 * doc/tm.texi: Do not mention -b.
2444 * gcc.c (display_help): Delete -b and -V.
2445 (process_command): Delete -b and -V.
2446 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2448 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2449 Wolfgang Gellerich <gellerich@de.ibm.com>
2451 Implement target hook for loop unrolling
2452 * target.h (loop_unroll_adjust): Add a new target hook function.
2453 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2454 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2455 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2456 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2457 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2459 (decide_unroll_stupid): Likewise.
2461 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2464 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2466 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2468 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2469 (Specific, *-*-solaris2*): Likewise.
2470 Don't prefer Sun as over GNU as.
2472 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2474 * config/s390/s390.c (override_options): Adjust the z10
2475 defaults for max-unroll-times, max-completely-peeled-insns
2476 and max-completely-peel-times.
2478 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2480 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2481 instructions for z10.
2482 (s390_expand_setmem): Likewise.
2483 (s390_expand_cmpmem): Likewise.
2485 2010-04-08 Richard Guenther <rguenther@suse.de>
2487 PR tree-optimization/43679
2488 * tree-ssa-pre.c (eliminate): Only propagate copies.
2490 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2493 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2494 set but not used variable warning.
2496 2010-04-08 Wei Guozhi <carrot@google.com>
2499 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2500 (arm_size_rtx_costs): Call the new function when optimized for size.
2502 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2505 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2506 op0 is not a MEM, just return NULL instead of assertion
2508 (discover_nonconstant_array_refs): Don't walk debug stmts.
2510 2010-04-08 Doug Kwan <dougkwan@google.com>
2512 * configure.ac: Recognize gold and do not use its version number
2513 to test ld features.
2514 * configure: Regenerate.
2516 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2519 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2520 (negate_value): Move code to push elements to broken_up_substracts ...
2521 (eliminate_plus_minus_pair): ... here. Push operands that have no
2522 negative pair to plus_negates.
2523 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2525 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2527 * doc/install.texi (Configuration): Move description of
2528 --enable-lto, --with-libelf*, --enable-gold from Java section to
2531 * doc/generic.texi (Working with declarations)
2532 (Function Properties, C and C++ Trees): Fix typos.
2533 * doc/sourcebuild.texi (Top Level): Likewise.
2535 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2538 * tree.h (DECL_READ_P): Define.
2539 (struct tree_decl_common): Add decl_read_flag.
2540 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2541 a set but not used warning.
2542 (merge_decls): Merge DECL_READ_P flag.
2543 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2544 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2545 * c-common.c (handle_used_attribute, handle_unused_attribute):
2547 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2549 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2551 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2552 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2553 c_parser_binary_expression, c_parser_cast_expression,
2554 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2555 Call default_function_array_read_conversion instead of
2556 default_function_array_conversion where needed.
2557 (c_parser_unary_expression, c_parser_conditional_expression,
2558 c_parser_postfix_expression_after_primary, c_parser_initelt):
2559 Likewise. Call mark_exp_read where needed.
2560 (c_parser_statement_after_labels, c_parser_asm_operands,
2561 c_parser_typeof_specifier, c_parser_sizeof_expression,
2562 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2564 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2566 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2567 (warn_unused_but_set_parameter): Default to warn_unused
2569 * doc/invoke.texi: Document -Wunused-but-set-variable and
2570 -Wunused-but-set-parameter.
2572 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2573 used count variable.
2574 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2575 when operandN variables aren't used in the body of the expander
2577 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2578 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2579 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2580 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2581 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2582 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2583 * tree.c (PROCESS_ARG): Likewise.
2585 2010-04-07 Simon Baldwin <simonb@google.com>
2587 * diagnostic.h (diagnostic_override_option_index): New macro to
2588 set a diagnostic's option_index.
2589 * c-tree.h (c_cpp_error): Add warning reason argument.
2590 * opts.c (_warning_as_error_callback): New.
2591 (register_warning_as_error_callback): Store callback for
2592 warnings enabled via enable_warning_as_error.
2593 (enable_warning_as_error): Call callback, minor code tidy.
2594 * opts.h (register_warning_as_error_callback): Declare.
2595 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2596 response to -Werror=.
2597 (c_common_init_options): Register warning_as_error_callback in opts.c.
2598 * common.opt: Add -Wno-cpp option.
2599 * c-common.c (struct reason_option_codes_t): Map cpp warning
2600 reason codes to gcc option indexes.
2601 * (c_option_controlling_cpp_error): New function, lookup the gcc
2602 option index for a cpp warning reason code.
2603 * (c_cpp_error): Add warning reason argument, call
2604 c_option_controlling_cpp_error for diagnostic_override_option_index.
2605 * doc/invoke.texi: Document -Wno-cpp.
2607 2010-04-07 Richard Guenther <rguenther@suse.de>
2609 * ipa-reference.c (mark_load): Use get_base_address.
2610 (mark_store): Likewise.
2612 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2613 inserting GIMPLE_NOPs into the IL.
2614 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2615 Explicitly strip handled components and indirect references.
2617 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2618 folding address expressions.
2619 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2620 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2621 operand_equal_p to compare decls.
2622 (ptr_deref_may_alias_decl_p): Likewise.
2623 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2624 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2625 Handle reversed comparison ops.
2626 * tree-sra.c (asm_visit_addr): Use get_base_address.
2627 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2628 * ipa-reference.c (mark_address): Use get_base_address.
2630 2010-04-07 Richard Guenther <rguenther@suse.de>
2632 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2633 Propagate constants everywhere.
2635 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2638 * tree.c (MAX_INT_CACHED_PREC): Define.
2639 (nonstandard_integer_type_cache): New array.
2640 (build_nonstandard_integer_type): Cache results for precision
2641 <= MAX_INT_CACHED_PREC.
2643 2010-04-07 Richard Guenther <rguenther@suse.de>
2645 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2646 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2647 * common.opt: Likewise.
2648 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2649 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2650 (nonoverlapping_memrefs_p): Likewise.
2651 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2652 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2653 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2654 OPT_fargument_noalias_global for backward compatibility.
2656 2010-04-07 Richard Guenther <rguenther@suse.de>
2658 PR tree-optimization/43270
2659 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2660 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2661 * tree-ssa-pre.c (phi_translate_1): Adjust.
2662 (fully_constant_expression): Split out vn_reference handling to ...
2663 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2664 Fold reads from constant strings.
2665 (vn_reference_lookup): Handle fully constant references.
2666 (vn_reference_lookup_pieces): Likewise.
2667 * Makefile.in (expmed.o-warn): Add -Wno-error.
2669 2010-04-07 Martin Jambor <mjambor@suse.cz>
2671 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2673 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2676 * gcc.c: Add -static-libstdc++ to list of recognized options.
2678 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2680 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2682 2010-04-07 Richard Guenther <rguenther@suse.de>
2685 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2686 bases build simple mem attributes to retain points-to information.
2688 2010-04-07 Richard Guenther <rguenther@suse.de>
2691 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2692 preserve points-to related information.
2694 2010-04-07 Richard Guenther <rguenther@suse.de>
2697 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2698 discard plain indirect references.
2699 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2700 * tree.c (tree_nop_conversion): Likewise.
2702 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2705 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2707 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2709 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2710 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2712 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2714 * tree-if-conv.c: Fix indentation and comments.
2716 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2718 * tree-if-conv.c: Sort static functions in topological order.
2720 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2722 * tree-if-conv.c: Fix indentation and comments.
2724 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2727 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2728 lang_hooks.types.type_for_size instead of
2729 build_nonstandard_integer_type.
2730 When converting an unsigned type to signed, double its precision.
2731 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2732 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2733 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2736 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2739 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2740 POINTER_PLUS_EXPR for pointer types.
2742 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2745 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2746 * graphite-clast-to-gimple.c: Include langhooks.h.
2747 (max_signed_precision_type): New.
2748 (max_precision_type): Takes two types as arguments.
2749 (precision_for_value): New.
2750 (precision_for_interval): New.
2751 (gcc_type_for_interval): New.
2752 (gcc_type_for_value): New.
2753 (gcc_type_for_clast_term): New.
2754 (gcc_type_for_clast_red): New.
2755 (gcc_type_for_clast_bin): New.
2756 (gcc_type_for_clast_expr): Split up into several functions.
2757 (gcc_type_for_clast_eq): Rewritten.
2758 (compute_bounds_for_level): New.
2759 (compute_type_for_level_1): New.
2760 (compute_type_for_level): New.
2761 (gcc_type_for_cloog_iv): Removed.
2762 (gcc_type_for_iv_of_clast_loop): Rewritten.
2763 (graphite_create_new_loop): Compute the lower and upper bound types
2764 with gcc_type_for_clast_expr.
2765 (graphite_create_new_loop_guard): Same.
2766 (find_cloog_iv_in_expr): Removed.
2767 (compute_cloog_iv_types_1): Removed.
2768 (compute_cloog_iv_types): Removed.
2769 (gloog): Do not call compute_cloog_iv_types.
2770 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2772 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2773 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2774 (GBB_CLOOG_IV_TYPES): Removed.
2776 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2778 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2779 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2780 (detect_commutative_reduction): Same.
2782 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2784 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2785 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2787 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2788 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2789 (rewrite_commutative_reductions_out_of_ssa): Same.
2790 * passes.c (execute_function_todo): Call verify_ssa for every pass
2791 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2792 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2793 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2794 with an extra argument.
2795 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2796 verify_ssa only when the extra argument is true.
2797 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2798 with an extra argument.
2799 (tree_transform_and_unroll_loop): Same.
2801 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2803 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2804 for all the passes of the LNO having LOOP_CLOSED_SSA.
2805 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2806 * tree-loop-distribution.c (pass_loop_distribution): Same.
2807 * tree-pass.h (TODO_verify_loops): Removed.
2808 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2810 (pass_tree_unswitch): Same.
2811 (pass_predcom): Same.
2812 (pass_vectorize): Same.
2813 (pass_linear_transform): Same.
2814 (pass_graphite_transforms): Same.
2815 (pass_iv_canon): Same.
2816 (pass_complete_unroll): Same.
2817 (pass_complete_unrolli): Same.
2818 (pass_parallelize_loops): Same.
2819 (pass_loop_prefetch): Same.
2820 (pass_iv_optimize): Same.
2822 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2825 * passes.c (init_optimization_passes): Move pass_lim before
2826 pass_copy_prop and pass_dce_loop.
2828 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2831 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2832 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2833 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2834 MULTI_* defines for 4 argument vpermil2p* builtins.
2836 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2838 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2839 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2840 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2841 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2842 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2843 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2844 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2845 Use x86_maybe_negate_const_int to output insn mnemonic.
2846 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2847 check from instruction predicate. Update comments.
2848 * config/i386/sync.md (sync_add<mode>): Use
2849 x86_maybe_negate_const_int to output insn mnemonic.
2851 2010-04-06 Jan Hubicka <jh@suse.cz>
2853 PR tree-optimization/42906
2854 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2855 IGNORE_SELF argument. Set visited_control_parents for fully
2857 (find_obviously_necessary_stmts): Update call of
2858 mark_control_dependent_edges_necessary.
2859 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2861 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2863 * config/i386/i386.md: Remove comment about 'e' and 'E'
2866 2010-04-06 Richard Guenther <rguenther@suse.de>
2868 PR tree-optimization/43627
2869 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2870 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2873 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2875 * BASE-VER: Change to 4.6.0.
2878 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2881 2010-04-06 Richard Guenther <rguenther@suse.de>
2884 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2886 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2888 * doc/invoke.texi (Optimize Options): Document that LTO
2889 won't remove object access purely due to incompatible
2892 2010-04-04 Matthias Klose <doko@ubuntu.com>
2894 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2895 Initialize variable.
2897 2010-04-03 Richard Guenther <rguenther@suse.de>
2900 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2901 require a non-NULL MEM_OFFSET.
2903 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2905 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2906 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2907 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2908 config/alpha/predicates.md, config/arm/arm.md,
2909 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2910 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2911 config/darwin9.h, config/darwin.c, config/darwin.h,
2912 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2913 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2914 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2915 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2916 config/mips/mips.md, config/mn10300/mn10300.c,
2917 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2918 config/rs6000/aix.h, config/rs6000/dfp.md,
2919 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2920 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2921 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2922 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2923 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2924 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2925 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2926 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2927 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2928 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2929 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2930 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2931 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2932 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2933 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2934 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2935 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2936 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2937 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2938 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2939 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2940 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2941 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2942 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2943 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2944 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2945 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2946 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2947 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2948 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2949 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2950 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2951 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2952 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2953 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2954 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2956 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2959 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2960 * aclocal.m4: Regenerate.
2962 2010-04-02 Richard Guenther <rguenther@suse.de>
2964 PR tree-optimization/43629
2965 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2966 if we have seen a constant value.
2968 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2970 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2972 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2975 * arm.c (legitimize_tls_address): Adjust call to
2976 gen_tls_load_dot_plus_four.
2977 (arm_note_pic_base): New function.
2978 (arm_cannot_copy_insn_p): Use it.
2979 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2982 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2987 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2989 * Makefile.in ($(out_object_file)): Depend on
2990 gt-$(basename $(notdir $(out_file))).h.
2992 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2994 * config.gcc (lm32-*-rtems*): Add t-lm32.
2996 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2998 * config.gcc: Add lm32-*-rtems*.
2999 * config/lm32/rtems.h: New file.
3001 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3004 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3006 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3008 * dwarf2out.c (output_compilation_unit_header): For
3009 -gdwarf-4 use version 4 instead of version 3.
3010 (output_line_info): For version 4 and above emit additional
3011 maximum ops per insn header field.
3012 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3014 * dwarf2out.c (is_c_family, is_java): Remove.
3015 (lower_bound_default): New function.
3016 (add_bound_info, gen_descr_array_type_die): Use it.
3018 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3021 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3022 re-declaration when it happens in a function.
3024 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3026 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3027 (cgraph_remove_function_insertion_hook): Same.
3028 (cgraph_call_function_insertion_hooks): Same.
3030 2010-04-01 Richard Guenther <rguenther@suse.de>
3033 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3034 and TREE_THIS_VOLATILE.
3035 (copy_ref_info): Likewise.
3036 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3037 * tree.c (build6_stat): Ignore side-effects of all but arg5
3038 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3041 2010-04-01 Richard Guenther <rguenther@suse.de>
3043 PR tree-optimization/43607
3044 * ipa-type-escape.c (check_call): Do not access non-existing
3047 2010-04-01 Richard Guenther <rguenther@suse.de>
3051 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3052 Jack Howarth <howarth@bromo.med.uc.edu>
3054 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3057 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3059 * doc/install.texi (Prerequisites): Document libelf usability on
3060 IRIX 5/6 and Solaris 2.
3061 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3062 Update GNU as, GNU ld requirements.
3063 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3064 Document Sun Studio compiler download.
3065 Update and simplify as, ld recommendations.
3066 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3068 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3070 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3071 with_tune_32 to pentium4.
3073 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3075 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3077 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3079 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3080 obsoletion, removal.
3082 Document GNU as requirement.
3083 Update configure requirements.
3084 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3085 Recomment IRIX 6.5.18+.
3086 Document IDF/IDL requirement.
3087 Document GNU as requirement.
3088 Document GNU ld bootstrap failure.
3089 Remove freeware.sgi.com reference.
3091 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3093 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3094 UNIX V4.0, V5.0 obsoletion, removal.
3095 Remove --with-gc=simple reference.
3096 Update VM requirements during bootstrap.
3097 Remove -oldas bootstrap description.
3098 Update binutils reference.
3099 Remove comparison failure note.
3101 2010-03-31 Richard Guenther <rguenther@suse.de>
3102 Zdenek Dvorak <ook@ucw.cz>
3103 Sebastian Pop <sebastian.pop@amd.com>
3106 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3107 with multiple arguments.
3108 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3110 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3112 * graphite-dependences.c (print_pddr): Call print_pdr with an
3114 * graphite-poly.c (debug_pdr): Add an extra argument for the
3117 (print_pbb_domain): Same.
3119 (print_scop_context): Same.
3121 (print_cloog): Same.
3122 (debug_pbb_domain): Same.
3126 (debug_scop_context): Same.
3128 (debug_cloog): Same.
3129 (print_scop_params): Same.
3130 (debug_scop_params): Same.
3131 (print_iteration_domain): Same.
3132 (print_iteration_domains): Same.
3133 (debug_iteration_domain): Same.
3134 (debug_iteration_domains): Same.
3135 (print_scattering_function): Same.
3136 (print_scattering_functions): Same.
3137 (debug_scattering_function): Same.
3138 (debug_scattering_functions): Same.
3139 * graphite-poly.h (debug_pdr): Update declaration.
3141 (print_pbb_domain): Same.
3143 (print_scop_context): Same.
3145 (print_cloog): Same.
3146 (debug_pbb_domain): Same.
3150 (debug_scop_context): Same.
3152 (debug_cloog): Same.
3153 (print_scop_params): Same.
3154 (debug_scop_params): Same.
3155 (print_iteration_domain): Same.
3156 (print_iteration_domains): Same.
3157 (debug_iteration_domain): Same.
3158 (debug_iteration_domains): Same.
3159 (print_scattering_function): Same.
3160 (print_scattering_functions): Same.
3161 (debug_scattering_function): Same.
3162 (debug_scattering_functions): Same.
3164 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3166 * graphite-poly.c (print_scattering_function_1): New.
3167 (print_scattering_function): Call it.
3168 (print_scop_params): Remove spaces at the end of lines.
3171 * graphite-poly.h (print_cloog): Declared.
3172 (debug_cloog): Declared.
3174 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3176 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3178 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3179 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3180 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3181 to switch between adding the IV bump in loop->latch or in loop->header.
3183 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3185 * graphite-poly.c (print_scattering_function): Pretty print following
3188 (print_pbb_domain): Same.
3189 (dump_gbb_cases): Same.
3190 (dump_gbb_conditions): Same.
3193 (print_scop_params): Same.
3194 (print_scop_context): Same.
3196 (print_pbb_body): New.
3197 (lst_indent_to): New.
3198 (print_lst): Start new lines with a #.
3199 * graphite-poly.h (pbb_bb): New.
3200 (pbb_index): Use pbb_bb.
3201 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3203 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3205 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3207 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3208 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3209 and 0 instead of 1 for dw_val_class_flag.
3210 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3211 dw_val_class_range_list, dw_val_class_loc_list,
3212 dw_val_class_lineptr and dw_val_class_macptr, use
3213 DW_FORM_flag_present for dw_val_class_flag and
3214 DW_FORM_exprloc for dw_val_class_loc.
3215 (output_die): For -gdwarf-4 print dw_val_class_loc
3216 size as uleb128 instead of 1 or 2 bytes and don't print
3217 anything for dw_val_class_flag.
3219 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3220 instead of cselib_lookup following by tweaking locs->setting_insn.
3223 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3224 even before returning from label, setjmp call or volatile asm
3227 2010-03-31 Richard Guenther <rguenther@suse.de>
3230 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3231 temporary data on stack.
3233 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3235 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3236 (PUSHSECTION_ASM_OP): Remove.
3237 (POPSECTION_ASM_OP): Remove.
3238 (PUSHSECTION_FORMAT): Remove.
3239 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3240 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3241 * config/sol2.c (solaris_output_init_fini): Use it.
3243 2010-03-31 Jie Zhang <jie@codesourcery.com>
3246 * opt-functions.awk (var_type_struct): Use signed char type
3247 for simple variables.
3249 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3251 * config/sol2.c: Include output.h.
3252 (solaris_assemble_visibility): New function.
3253 * config/t-sol2 (sol2.o): Add output.h dependency.
3254 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3255 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3258 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3261 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3262 V2SImode or XFmode on PRE_DEC.
3265 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3268 2010-03-31 Jie Zhang <jie@codesourcery.com>
3271 * reload.h (caller_save_initialized_p): Declare.
3272 * toplev.c (backend_init_target): Don't call
3273 init_caller_save but set caller_save_initialized_p to false.
3274 * caller-save.c (caller_save_initialized_p): Define.
3275 (init_caller_save): Check caller_save_initialized_p.
3276 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3278 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3281 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3282 and soft-fp/t-softfp to tmake_file.
3283 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3284 (LIBGCC2_TF_CEXT): Define.
3287 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3290 * cselib.c (n_useless_values): Document handling of debug locs.
3291 (n_useless_debug_values, n_debug_values): New variables.
3292 (new_elt_loc_list): Don't add to debug values, keep count.
3293 (promote_debug_loc): New.
3294 (cselib_reset_table): Zero new variables.
3295 (entry_and_rtx_equal_p): Promote debug locs.
3296 (discard_useless_locs): Increment n_useless_debug_values for
3298 (remove_useless_values): Adjust n_useless_values and n_debug_values
3299 with n_useless_debug_values.
3300 (add_mem_for_addr): Promote debug locs.
3301 (cselib_lookup_mem): Likewise.
3302 (cselib_lookup_addr): Renamed to...
3303 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3304 (cselib_log_lookup): ... this. Turn into...
3305 (cselib_lookup_addr): ... new wrapper.
3306 (cselib_lookup_from_insn): New.
3307 (cselib_invalidate_regno): Increment n_useless_debug_values for
3309 (cselib_invalidate_mem): Likewise.
3310 (cselib_process_insn): Take n_deleted and n_debug_values into
3311 account to guard remove_useless_value call.
3312 (cselib_finish): Zero n_useless_debug_values.
3313 * cselib.h (cselib_lookup_from_insn): Declare.
3314 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3315 (sched_analyze_2): Likewise.
3317 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3319 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3321 (adjust_mems): Replace narrowing SUBREG of expression containing
3322 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3323 with operations in the narrower mode.
3326 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3327 regs_invalidated_by_call instead all call_used_reg_set registers.
3329 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3332 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3333 pointer comparisons with types_compatible_p.
3334 * tree-vect-stmts.c (vectorizable_call): Same.
3335 (vectorizable_condition): Same.
3337 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3339 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3340 stack check if the mask would be zero.
3342 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3343 Jack Howarth <howarth@bromo.med.uc.edu>
3345 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3348 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3351 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3353 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3354 Include ___unordxf2 and ___unordtf2.
3355 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3358 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3360 * config/lm32/t-lm32: New file.
3361 * config.gcc: Use the above file when targetting lm32.
3363 2010-03-28 Duncan Sands <baldrick@free.fr>
3365 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3367 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3370 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3371 Improve vectorization cost model diagnostic.
3373 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3376 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3377 compute_data_dependences_for_loop returns false, early exit
3378 and output an extra diagnostic for the failed data reference
3381 2010-03-29 Richard Guenther <rguenther@suse.de>
3383 PR tree-optimization/43560
3384 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3385 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3387 2010-03-29 Jie Zhang <jie@codesourcery.com>
3390 * toplev.c (process_options): Set optimization_default_node
3391 and optimization_current_node.
3392 * opts.c (decode_options): Don't set optimization_default_node
3393 and optimization_current_node.
3395 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3397 * config/rtems.h: Abandon -qrtems_debug.
3399 2010-03-28 Jan Hubicka <jh@suse.cz>
3401 PR tree-optimization/43505
3402 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3403 map should not be copied.
3405 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3408 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3409 cdtors, set DECL_PRESERVE_P.
3410 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3413 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3415 PR tree-optimization/43528
3416 * stor-layout.c (place_field): Check that constant fits into
3417 unsigned HWI when skipping calculation of MS bitfield layout.
3419 2010-03-27 Jan Hubicka <jh@suse.cz>
3422 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3423 notice_global_symbol work.
3425 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3427 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3428 instead of dwarf2out_decl.
3429 (struct var_loc_node): Remove section_label field.
3430 (dwarf2out_function_decl): New function.
3431 (dwarf2out_var_location): Don't set section_label field.
3432 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3434 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3436 PR tree-optimization/43544
3437 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3438 First argument for builtin vectorized function hook is now a
3439 tree to be able to distinguish between machine specific and
3441 * targhooks.c (default_builtin_vectorized_function): Ditto.
3442 * targhooks.h (default_builtin_vectorized_function): Ditto.
3443 * target.h (struct gcc_target): Ditto.
3444 * tree-vect-stmts.c (vectorizable_function): Ditto.
3445 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3446 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3449 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3452 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3453 nested binding iff it is a FUNCTION_DECL.
3454 (store_parm_decls_newstyle): Pass nested=true to bind for
3455 FUNCTION_DECLs amongst parameters.
3457 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3459 * var-tracking.c (vt_expand_loc_callback): Don't run
3460 cselib_expand_value_rtx_cb in dummy mode if
3461 cselib_dummy_expand_value_rtx_cb returned false.
3463 * var-tracking.c (emit_note_insn_var_location): For one part
3464 notes with offset 0, don't add EXPR_LIST around the location.
3465 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3466 add_location_or_const_value_attribute): Adjust for that change.
3469 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3470 into first operand and location into second.
3471 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3472 dw_cfi_oprnd_loc for DW_CFA_expression.
3473 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3474 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3475 assume first argument is regnum and second argument is location.
3477 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3480 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3481 of scratch register to DImode. Split to DImode comparison operator.
3482 Use SImode subreg of scratch register in the multiplication.
3483 (*cmp_sadd_sidi): Ditto.
3484 (*cmp_ssub_si): Ditto.
3485 (*cmp_ssub_sidi): Ditto.
3487 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3490 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3491 Remove invalid assert and wrong comment.
3493 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3496 * flags.h (final_insns_dump_p): New extern.
3497 * final.c (final_insns_dump_p): New variable.
3498 (rest_of_clean_state): Set it before -fdump-final-insns=
3499 dumping, clear afterwards.
3500 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3501 MEM_ALIAS_SET on MEMs.
3503 2010-03-26 David S. Miller <davem@davemloft.net>
3505 * configure.ac: Fix sparc GOTDATA_OP bug check.
3506 * configure: Rebuild.
3508 2010-03-26 Alan Modra <amodra@gmail.com>
3510 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3512 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3514 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3515 TLS_SECTION_ASM_FLAG.
3517 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3520 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3521 Clear first_function_block_is_cold.
3524 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3525 argument if the argument is truth_value_p.
3527 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3529 * config/rs6000/constraints.md: Update copyright year for my changes.
3532 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3533 used in reg+reg addressing, swap registers.
3535 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3538 * target.h (struct gcc_target): Add code_end hook.
3539 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3541 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3542 * toplev.c (compile_file): Call targetm.asm_out.code_end
3543 hook before unwind info/debug info output.
3544 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3545 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3546 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3547 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3548 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3549 * config/i386/i386.c (ix86_file_end): Renamed to...
3550 (ix86_code_end): ... this. Make static. Don't call
3551 file_end_indicate_exec_stack. Emit unwind info using
3552 final_start_function/final_end_function.
3553 (darwin_x86_file_end): Remove.
3554 (TARGET_ASM_CODE_END): Define.
3555 * config/i386/i386.h (TARGET_ASM_FILE_END,
3556 NEED_INDICATE_EXEC_STACK): Don't define.
3557 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3558 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3559 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3560 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3563 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3564 at the beginning and final_end_function at the end.
3565 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3567 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3569 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3570 and Sun as TLS syntax.
3571 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3572 * configure: Regenerate.
3573 * config.in: Regenerate.
3574 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3575 (default_elf_asm_named_section): Use it.
3576 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3577 (i386_output_dwarf_dtprel): Likewise.
3578 (output_addr_const_extra): Likewise.
3579 (output_pic_addr_const): Lowercase @GOTTPOFF.
3580 (output_addr_const_extra): Likewise.
3581 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3582 (output_addr_const_extra): Likewise.
3583 (output_pic_addr_const): Lowercase @INDNTPOFF.
3584 (output_addr_const_extra): Likewise.
3585 (output_pic_addr_const): Lowercase @NTPOFF.
3586 (output_addr_const_extra): Likewise.
3587 (output_pic_addr_const): Lowercase @TPOFF.
3588 (output_addr_const_extra): Likewise.
3589 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3590 (*tls_global_dynamic_64): Likewise.
3591 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3592 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3594 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3595 (ASM_OUTPUT_TLS_COMMON): Use it.
3596 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3599 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3600 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3601 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3602 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3603 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3604 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3606 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3608 * config/i386/i386.c (override_options): Don't accept
3609 -mtls-dialect=sun any longer.
3610 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3611 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3612 (*tls_local_dynamic_base_32_sun): Likewise.
3613 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3615 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3618 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3619 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3622 * ira.c (adjust_cleared_regs): New function.
3623 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3627 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3629 * expr.c (expand_expr_real): Restore previous
3630 curr_insn_source_location and curr_insn_block after
3631 expand_expr_real_1 call.
3632 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3633 instead of expand_expr_real_1.
3635 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3637 PR rtl-optimization/43413
3638 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3641 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3644 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3645 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3647 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3649 * config/i386/i386.c (ix86_target_string): Add -mfma.
3650 Fix a typo in comment.
3652 2010-03-22 Mike Stump <mikestump@comcast.net>
3655 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3656 Don't overly align based upon packed packed fields.
3658 2010-03-22 Jason Merrill <jason@redhat.com>
3660 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3661 Use () rather than [], and move before the element type.
3663 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3665 * doc/configfiles.texi (Configuration Files): Removed
3666 fixinc/Makefile*, intl/Makefile.*.
3667 * doc/makefile.texi: Fixed markup. Abstract from version
3668 control system used.
3669 (Makefile): Removed obsolete gcc/java/parse.y example.
3670 * doc/sourcebuild.texi: Likewise.
3671 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3672 libgomp, libssp. Removed fastjar.
3673 (Miscellaneous Docs): Clarify location.
3674 Added COPYING3, COPYING3.LIB.
3675 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3677 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3680 * config/i386/i386.c (x86_function_profiler)
3681 [!NO_PROFILE_COUNTERS]: Fix typo.
3682 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3685 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3686 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3688 * doc/sourcebuild.texi (Test Directives): Split into six
3689 subsections, with most of the current text in new subsections
3690 Directives, Selectors, and Final Actions.
3691 (Directives): Split list of test directives into multiple
3693 (Selectors): Describe use and syntax of selectors.
3694 (Effective-Target Keywords): Describe all existing keywords.
3695 (Add Options): Describe features for dg-add-options.
3696 (Require Support): Describe variants of dg-require-support.
3697 (Final Actions): Describe commands to use in dg-final.
3699 2010-03-22 Michael Matz <matz@suse.de>
3702 * recog.c (validate_replace_rtx_group): Replace also in
3703 REG_EQUAL and REG_EQUIV notes.
3705 2010-03-22 Richard Guenther <rguenther@suse.de>
3707 PR tree-optimization/43390
3708 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3709 sure vector extracts are type correct.
3711 2010-03-22 Richard Guenther <rguenther@suse.de>
3714 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3715 x * sqrt (x) even when optimizing for size if the target
3716 has native support for sqrt.
3718 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3720 * varasm.c (make_decl_rtl_for_debug): Also clear
3721 flag_mudflap for the duration of make_decl_rtl call.
3724 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3725 locs from preserved VALUEs.
3727 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3730 * pa.md (movmemsi): Set align to one if zero.
3731 (movmemdi): Likewise.
3733 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3736 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3737 with their corresponding prologue pushes.
3739 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3742 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3743 at the begining or end.
3744 (spu_expand_epilogue): Likewise.
3746 2010-03-20 Richard Guenther <rguenther@suse.de>
3748 PR rtl-optimization/43438
3749 * combine.c (make_extraction): Properly zero-/sign-extend an
3750 extraction of the low part of a CONST_INT. Also handle
3753 2010-03-19 Mike Stump <mikestump@comcast.net>
3755 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3756 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3757 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3759 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3762 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3765 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3767 PR rtl-optimization/42258
3768 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3769 use that may match DEF.
3772 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3773 the cost of loading the constant rather than assuming
3775 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3776 outer code is AND, do the same tests as the andsi3 expander and
3777 return COSTS_N_INSNS (1) if and is cheap.
3779 * optabs.c (avoid_expensive_constant): Fix formatting.
3781 2010-03-19 Michael Matz <matz@suse.de>
3784 * attribs.c (decl_attributes): When rebuilding a function pointer
3785 type use the same qualifiers as the original pointer type.
3787 2010-03-19 Martin Jambor <mjambor@suse.cz>
3789 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3790 and is_gimple_ip_invariant_address.
3792 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3795 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3797 * config/arm/arm.c (arm_override_options): Turn off
3798 flag_dwarf2_cfi_asm for AAPCS variants.
3800 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3803 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3804 Use PRE_MODIFY instead of PRE_DEC.
3805 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3806 (vfp_emit_fstmd): Likewise.
3808 2010-03-19 Michael Matz <matz@suse.de>
3811 * builtins.c (expand_builtin_interclass_mathfn,
3812 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3815 2010-03-19 Richard Guenther <rguenther@suse.de>
3817 PR tree-optimization/43415
3818 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3819 (phi_translate_1): ... this.
3820 (phi_translate): Move all caching here. Cache all NARY
3821 and REFERENCE translations.
3823 2010-03-19 David S. Miller <davem@davemloft.net>
3825 With help from Eric Botcazou.
3826 * config/sparc/sparc.c: Include dwarf2out.h.
3827 (emit_pic_helper): Delete.
3828 (pic_helper_symbol_name): Delete.
3829 (pic_helper_emitted_p): Delete.
3830 (pic_helper_needed): New.
3831 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3832 (get_pc_thunk_name): New.
3833 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3834 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3835 Set pic_helper_needed to true. Don't call emit_pic_helper.
3836 (sparc_expand_prologue): Update load_pic_register call.
3837 (sparc_output_mi_thunk): Likewise.
3838 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3839 thunk if possible. Output CFI information as needed.
3841 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3842 Jack Howarth <howarth@bromo.med.uc.edu>
3845 * config/i386/i386.h: Fix ABI on darwin x86-32.
3847 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3849 * tree.h: Declare make_decl_rtl_for_debug.
3850 * varasm.c (make_decl_rtl_for_debug): New.
3851 * dwarf2out.c (rtl_for_decl_location): Call it.
3852 * cfgexpand.c (expand_debug_expr): Call it.
3854 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3857 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3861 * var-tracking.c (vt_init_cfa_base): Do nothing if
3862 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3864 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3867 * var-tracking.c (canonicalize_vars_star): New.
3868 (dataflow_post_merge_adjust): Use it.
3870 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3873 * var-tracking.c (non_suitable_const): New function.
3874 (add_uses): For DEBUG_INSNs with constants, don't record any
3875 value, instead just the constant value itself.
3876 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3877 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3878 (emit_notes_in_bb): Likewise.
3879 (emit_note_insn_var_location): For onepart variables if
3880 cur_loc is a VOIDmode constant, use DECL_MODE.
3882 2010-03-18 Martin Jambor <mjambor@suse.cz>
3885 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3886 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3887 all non-clones. Moved call redirection...
3888 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3889 (cgraph_materialize_all_clones): Dispose of all
3890 combined_args_to_skip bitmaps.
3891 (verify_cgraph_node): Do not check for edges pointing to wrong
3892 nodes in inline clones.
3893 * tree-inline.c (copy_bb): Call
3894 cgraph_redirect_edge_call_stmt_to_callee.
3895 * ipa.c (cgraph_remove_unreachable_nodes): Call
3896 cgraph_node_remove_callees even when there are used clones.
3898 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3900 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3902 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3905 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3908 2010-03-18 Michael Matz <matz@suse.de>
3911 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3912 into sqrt(x) if we need to preserve signed zeros.
3914 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3915 Eric Botcazou <ebotcazou@adacore.com>
3917 PR rtl-optimization/43360
3918 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3919 note if we don't know its invariant status.
3921 2010-03-18 Michael Matz <matz@suse.de>
3923 PR tree-optimization/43402
3924 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3925 PHI chains of ssa names registered for update.
3927 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3930 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3931 non-offsettable and pre_modify update addressing.
3932 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3933 and "2" alternatives "#".
3934 (*movdd_softfloat32): Make all alternatives "#";
3935 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3936 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3937 (*movdf_softfloat32): Make all alternatives "#";
3938 (movdi): Use the new DIFD mode iterator to create a common splitter
3939 for movdi, movdf and movdd patterns.
3941 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3943 * common.opt (dumpdir): Remove redundant tab.
3945 2010-03-17 Martin Jambor <mjambor@suse.cz>
3947 PR tree-optimization/43347
3948 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3949 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3951 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3953 PR rtl-optimization/42216
3954 * regrename.c (create_new_chain): New function, broken out from...
3955 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3956 appending a use to an empty chain.
3957 (build_def_use): Remove previous changes that convert OP_INOUT to
3958 OP_OUT operands; instead detect the case where an OP_INOUT operand
3959 uses a previously untracked register and create an empty chain for it.
3961 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3963 * doc/extend.texi (Function Attributes): Rewrite unfinished
3964 sentence in ms_abi documentation.
3966 2010-03-17 Alan Modra <amodra@gmail.com>
3968 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3969 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3970 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3971 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3973 2010-03-16 Richard Henderson <rth@redhat.com>
3976 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3977 (lower_try_finally): Save and restore eh_seq around the expansion
3980 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3982 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3983 statements before splitting block.
3985 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3987 * doc/sourcebuild.texi (Testsuites): Fix markup.
3988 Use pathnames relative to gcc/testsuite.
3989 (Test Directives): Move description of how timeout is determined.
3990 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3991 (C Tests): Correct gcc.misc-tests directory.
3992 Framework tests now live in gcc.test-framework.
3994 2010-03-16 Richard Guenther <rguenther@suse.de>
3997 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3998 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4000 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4001 Alexandre Oliva <aoliva@redhat.com>
4003 PR tree-optimization/42917
4004 * lambda-code.c (remove_iv): Skip debug statements.
4005 (lambda_loopnest_to_gcc_loopnest): Likewise.
4006 (not_interesting_stmt): Debug statements are not interesting.
4008 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4012 * cselib.c (cselib_preserve_constants,
4013 cfa_base_preserved_val): New static variables.
4014 (preserve_only_constants): New function.
4015 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4016 clear its REG_VALUES. If cselib_preserve_constants, don't
4017 empty the whole hash table, but preserve there VALUEs with constants,
4018 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4019 (cselib_preserve_cfa_base_value): New function.
4020 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4021 (cselib_init): Change argument to int bitfield. Set
4022 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4024 (cselib_finish): Clear cselib_preserve_constants and
4025 cfa_base_preserved_val.
4026 * cselib.h (enum cselib_record_what): New enum.
4027 (cselib_init): Change argument to int.
4028 (cselib_preserve_cfa_base_value): New prototype.
4029 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4030 * dse.c (dse_step1): Likewise.
4031 * cfgcleanup.c (thread_jump): Likewise.
4032 * sched-deps.c (sched_analyze): Likewise.
4033 * gcse.c (local_cprop_pass): Likewise.
4034 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4035 If FN is non-NULL, call the callback always and whenever it returns
4036 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4037 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4038 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4039 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4040 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4041 * var-tracking.c: Include recog.h.
4042 (bb_stack_adjust_offset): Remove.
4043 (vt_stack_adjustments): Don't call it, instead just gather the
4044 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4045 (adjust_stack_reference): Remove.
4046 (compute_cfa_pointer): New function.
4047 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4048 (struct adjust_mem_data): New type.
4049 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4051 (get_address_mode): New function.
4052 (replace_expr_with_values): Use it.
4053 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4054 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4055 (adjust_sets): Remove.
4056 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4057 Use get_address_mode.
4058 (get_adjusted_src): Remove.
4059 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4060 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4061 (add_with_sets): Don't call adjust_sets.
4062 (fp_setter, vt_init_cfa_base): New functions.
4063 (vt_initialize): Change return type to bool. Move most of pool etc.
4064 initialization to the beginning of the function from end. Pass
4065 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4066 If !frame_pointer_needed, call vt_stack_adjustment before mos
4067 vector is filled, call vt_init_cfa_base if argp/framep has been
4068 eliminated to sp. If frame_pointer_needed and argp/framep has
4069 been eliminated to hard frame pointer, set
4070 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4071 encountering fp setter in the prologue. For MO_ADJUST, call
4072 log_op_type before pusing the op into mos vector, not afterwards.
4073 Call adjust_insn before cselib_process_insn/add_with_sets,
4074 call cancel_changes (0) afterwards.
4075 (variable_tracking_main_1): Adjust for vt_initialize calling
4076 vt_stack_adjustments and returning whether it succeeded or not.
4078 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4080 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4083 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4085 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4087 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4088 drap_reg has not been set.
4090 2010-03-15 Michael Matz <matz@suse.de>
4093 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4094 use it to expand block copies.
4095 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4096 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4097 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4099 2010-03-15 Richard Guenther <rguenther@suse.de>
4101 PR tree-optimization/43367
4102 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4105 2010-03-15 Richard Guenther <rguenther@suse.de>
4107 PR tree-optimization/43317
4108 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4110 2010-03-15 Martin Jambor <mjambor@suse.cz>
4112 PR tree-optimization/43141
4113 * tree-sra.c (create_abstract_origin): New function.
4114 (modify_function): Call create_abstract_origin.
4116 2010-03-15 Chris Demetriou <cgd@google.com>
4118 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4121 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4124 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4125 call insert_out_of_ssa_copy for default definitions.
4127 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4129 * graphite-clast-to-gimple.c (my_long_long): Defined.
4130 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4131 * graphite-sese-to-poly.c (my_long_long): Defined.
4132 (scop_ivs_can_be_represented): Use it.
4134 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4136 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4137 graphite-max-bbs-per-function, and loop-block-tile-size.
4138 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4140 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4142 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4144 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4145 forward declaration.
4146 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4147 (add_upper_bounds_from_estimated_nit): New.
4148 (build_loop_iteration_domains): Use it.
4150 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4152 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4154 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4157 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4158 should be an INTEGER_CST. Also handle CASE_CONVERT.
4160 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4162 * graphite.c (graphite_initialize): To bound the number of bbs per
4163 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4164 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4165 * doc/invoke.texi: Document it.
4167 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4169 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4170 * graphite-sese-to-poly.h (build_poly_scop): Same.
4172 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4174 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4175 the number of parameters in the scop. Use as an upper bound
4176 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4177 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4178 * doc/invoke.texi: Document it.
4180 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4182 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4183 * doc/c-tree.texi: Remove.
4184 * doc/generic.texi: Merge c-tree.texi here.
4185 * doc/gccint.texi (Trees): Remove menu entry.
4186 (c-tree.texi): Remove @include.
4187 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4188 * doc/languages.texi (Reading RTL): Ditto.
4190 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4193 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4195 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4198 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4199 code added to work around reload clobbering CONST insns.
4201 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4203 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4204 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4205 (cselib_preserve_only_values): Remove retain argument, don't
4206 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4207 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4208 * var-tracking.c (micro_operation): Move insn field before union.
4209 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4210 (struct variable_tracking_info_def): Remove n_mos field, change
4211 mos into a vector of micro_operations.
4212 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4213 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4214 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4215 changing into a vector.
4216 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4217 come before all other uops generated by add_stores.
4218 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4220 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4221 a vector. Run just one pass over the bbs instead of separate counting
4222 and computation phase.
4223 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4226 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4227 into *nonlocalized_list vector.
4228 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4229 even if origin is non-NULL.
4230 (gen_variable_die): Likewise.
4231 (process_scope_var): Don't change origin.
4232 (gen_decl_die): Likewise.
4233 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4234 before adding new edges instead of after it, fix moving over
4237 2010-03-11 David S. Miller <davem@davemloft.net>
4239 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4241 * configure: Rebuild.
4243 2010-03-11 Martin Jambor <mjambor@suse.cz>
4245 PR tree-optimization/43257
4246 * tree.c (assign_assembler_name_if_neeeded): New function.
4247 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4249 * tree.h (assign_assembler_name_if_neeeded): Declare.
4250 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4251 the function if needed.
4253 2010-03-11 Chris Demetriou <cgd@google.com>
4255 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4256 include/stdint-gcc.h, and include/stdint.h world-readable.
4258 2010-03-11 Richard Guenther <rguenther@suse.de>
4260 PR tree-optimization/43255
4261 * tree-vrp.c (process_assert_insertions_for): Do not insert
4262 asserts for trivial conditions.
4264 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4266 PR tree-optimization/43280
4267 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4268 generation. Move calculation of size out of the if branch.
4269 (find_bswap): Modify compare number generation.
4271 2010-03-11 Richard Guenther <rguenther@suse.de>
4274 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4275 (input_gimple_stmt): Fixup handled component types during
4276 operand read. Also fix up decls in ADDR_EXPRs.
4278 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4280 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4281 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4283 2010-03-10 Jan Hubicka <jh@suse.cz>
4286 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4287 * varasm.c (get_variable_section): Don't do that here...
4288 (make_decl_rtl): ... and here.
4289 (do_assemble_alias): Produce decl RTL.
4290 (assemble_alias): Likewise.
4292 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4295 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4296 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4298 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4299 (based_loc_descr): Only express drap or vdrap regno based expressions
4300 using DW_OP_fbreg when not optimizing.
4301 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4302 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4303 REG_CFA_SET_VDRAP note.
4305 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4307 PR tree-optimization/43236
4308 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4309 error in calculation of base address in reverse iteration case.
4310 (generate_builtin): Take number of latch executions if the statement
4313 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4316 * tree-eh.c: Include pointer-set.h.
4317 (lower_eh_dispatch): Filter out duplicate case labels and
4318 remove the unneeded edge when the label is unused. Return
4319 true when some edges are removed.
4320 (execute_lower_eh_dispatch): When any lowering resulted in
4321 removing an edge, also delete unreachable blocks.
4323 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4326 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4327 UNSPEC_MACHOPIC_OFFSET.
4329 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4332 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4333 (m68k_delegitimize_address): New function.
4335 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4338 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4341 * var-tracking.c (adjust_sets): New function.
4342 (count_with_sets, add_with_sets): Use it.
4343 (get_adjusted_src): New inline function.
4344 (add_stores): Use it.
4347 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4348 call cselib_dummy_expand_value_rtx_cb instead of
4349 cselib_expand_value_rtx_cb.
4352 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4353 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4354 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4355 and .cfi_endproc around the pic thunks.
4356 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4357 all queued unwind info register saves are saved before the call.
4358 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4359 considered as sp-=4 for unwind info and the pop as sp+=4 which
4360 also clobbers dest, but doesn't actually restore it.
4363 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4364 RTX_FRAME_RELATED_P.
4366 2010-03-09 Jie Zhang <jie@codesourcery.com>
4368 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4369 whitespaces in output template.
4371 2010-03-09 Jie Zhang <jie@codesourcery.com>
4373 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4376 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4378 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4379 builtins.exp in a separate job.
4381 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4383 * graphite-sese-to-poly.c (add_param_constraints): Use
4384 lower_bound_in_type and upper_bound_in_type.
4386 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4388 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4389 instead of unsigned_type_node.
4391 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4392 Reza Yazdani <reza.yazdani@amd.com>
4395 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4396 on pointer type parameters.
4398 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4402 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4403 handle conversions from pointer to integers.
4404 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4405 induction variable, to be able to work with code generated by CLooG.
4406 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4407 (build_poly_scop): Bail out if we cannot codegen a loop.
4409 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4411 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4412 code generation with gloog_error.
4414 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4416 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4417 Call fold_convert on all the returned values.
4418 (expand_scalar_variables_expr): Pass to
4419 expand_scalar_variables_ssa_name the type of the resulting expression.
4421 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4423 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4424 ppl_min_for_le_pointset.
4425 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4426 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4428 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4430 * graphite-dependences.c (map_into_dep_poly): Removed.
4431 (dependence_polyhedron_1): Use combine_context_id_scat.
4433 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4435 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4436 (struct poly_bb): Same.
4437 (combine_context_id_scat): New.
4439 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4442 * sese.c (name_defined_in_loop_p): Return false for default
4445 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4447 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4448 and clean up the logic.
4450 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4452 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4455 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4457 * var-tracking.c (remove_cselib_value_chains): Define only for
4459 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4460 delete_slot_part, emit_notes_for_differences_1): Don't call
4461 remove_cselib_value_chains here.
4462 (set_slot_part, emit_notes_for_differences_2): Don't call
4463 add_cselib_value_chains here.
4464 (preserved_values): New vector.
4465 (preserve_value): New function.
4466 (add_uses, add_stores, vt_add_function_parameters): Use it
4467 instead of cselib_preserve_value.
4468 (changed_values_stack): New vector.
4469 (check_changed_vars_0): New function.
4470 (check_changed_vars_1, check_changed_vars_2): Use it.
4471 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4472 changed_values_stack VALUEs.
4473 (vt_emit_notes): For all preserved_values call
4474 add_cselib_value_chains. If ENABLE_CHECKING call
4475 remove_cselib_value_chains before verifying value_chains is empty.
4476 Initialize and free changed_values_stack.
4477 (vt_initialize): Initialize preserved_values.
4478 (vt_finalize): Free preserved_values.
4480 2010-03-08 Richard Guenther <rguenther@suse.de>
4482 PR tree-optimization/43269
4483 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4486 2010-03-08 Martin Jambor <mjambor@suse.cz>
4488 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4489 (ipa_is_param_called): Removed.
4490 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4491 (ipa_print_node_params): Do not print the called flag.
4492 (ipa_write_node_info): Do not stream the called flag.
4493 (ipa_read_node_info): Likewise.
4495 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4498 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4499 * cselib.c (struct expand_value_data): Add dummy field.
4500 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4502 (cselib_dummy_expand_value_rtx_cb): New function.
4503 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4505 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4506 * var-tracking.c: Include pointer-set.h.
4507 (variable): Change n_var_parts to char from int. Add
4508 cur_loc_changed and in_changed_variables fields.
4509 (variable_canonicalize): Remove.
4510 (shared_var_p): New inline function.
4511 (unshare_variable): Maintain cur_loc_changed and
4512 in_changed_variables fields. If var was in changed_variables,
4513 replace it there with new_var. Just copy cur_loc instead of
4514 resetting it to something else.
4515 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4516 (dataflow_set_union): Don't call variable_canonicalize.
4517 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4518 of their DEBUG_EXPR_TREE_DECLs.
4519 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4520 and in_changed_variables and cur_loc_changed is false.
4521 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4522 and cur_loc_changed. Don't update cur_loc here.
4523 (variable_merge_over_src): Don't call variable_canonicalize.
4524 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4525 removing loc that is equal to cur_loc, clear cur_loc,
4526 set cur_loc_changed and ensure variable_was_changed is called.
4527 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4528 compare pointers in cur_loc check, if it is equal to loc,
4529 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4530 (variable_different_p): Remove compare_current_location argument,
4531 don't compare cur_loc.
4532 (dataflow_set_different_1): Adjust variable_different_p caller.
4533 (variable_was_changed): If dv had some var in changed_variables
4534 already, reset in_changed_variables flag for it and propagate
4535 cur_loc_changed over to the new variable. On empty var
4536 always set cur_loc_changed. Set in_changed_variables on whatever
4537 var is added to changed_variables.
4538 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4539 Use shared_var_p. When removing loc that is equal to cur_loc,
4540 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4541 end, don't set it to something else, just call variable_was_changed.
4542 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4543 loc being removed, clear cur_loc and set cur_loc_changed.
4544 Set cur_loc_changed if all locations have been removed.
4545 (struct expand_loc_callback_data): New type.
4546 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4547 allocated. Always create SUBREGs if simplify_subreg failed.
4548 Prefer to use cur_loc, when that fails and still in
4549 changed_variables (and seen first time) recompute it. Set
4550 cur_loc_changed of variables which had to change cur_loc and
4551 compute elcd->cur_loc_changed if any of the subexpressions used
4552 had to change cur_loc.
4553 (vt_expand_loc): Adjust to pass arguments in
4554 expand_loc_callback_data structure.
4555 (vt_expand_loc_dummy): New function.
4556 (emitted_notes): New variable.
4557 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4558 that weren't used for any other decl in current
4559 emit_notes_for_changes call call vt_expand_loc_dummy to update
4560 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4561 first loc_chain location if NULL before. Always use just
4562 cur_loc instead of first loc_chain location. When cur_loc_changed
4563 is false, when not --enable-checking=rtl just don't emit any note.
4564 When rtl checking, compute the note and assert it is the same
4565 as previous note. Clear cur_loc_changed and in_changed_variables
4566 at the end before removing from changed_variables.
4567 (check_changed_vars_3): New function.
4568 (emit_notes_for_changes): Traverse changed_vars to call
4569 check_changed_vars_3 on each changed var.
4570 (emit_notes_for_differences_1): Clear cur_loc_changed and
4571 in_changed_variables. Recompute cur_loc of new_var.
4572 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4573 (vt_emit_notes): Initialize and destroy emitted_notes.
4575 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4577 PR rtl-optimization/42220
4578 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4579 Use verify_reg_tracked to determine if we should use OP_OUT rather
4581 (build_def_use): If we see an in-out operand for a register that we
4582 know nothing about, treat is an output if possible, fail the block if
4585 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4588 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4591 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4594 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4595 uses of relevant DEFs that are dead outside the loop too.
4597 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4599 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4601 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4603 * var-tracking.c (values_to_unmark): New variable.
4604 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4605 values_to_unmark vector. Moved body to...
4606 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4607 instead queue it into values_to_unmark vector.
4608 (vt_find_locations): Free values_to_unmark vector.
4610 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4612 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4613 (site.exp): Export them when plugins are enabled.
4615 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4618 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4620 (chrec_fold_multiply): Same.
4622 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4625 * c-decl.c (build_compound_literal): Return early if init is
4628 2010-03-04 Martin Jambor <mjambor@suse.cz>
4630 PR tree-optimization/43164
4631 PR tree-optimization/43191
4632 * tree-sra.c (type_consists_of_records_p): Reject records with
4633 zero-size bit-fields at the end.
4635 2010-03-04 Mike Stump <mikestump@comcast.net>
4637 * Makefile.in (TAGS): Remove *.y.
4639 2010-03-04 Richard Guenther <rguenther@suse.de>
4641 PR tree-optimization/40761
4642 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4644 (my_rev_post_order_compute): New function.
4645 (init_pre): Call it.
4647 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4650 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4651 decrease the cost of an IV candidate when the cost is infinite.
4653 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4655 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4656 Use '3DNow!' for the extension of that name, ensure normal space
4658 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4660 2010-03-03 Jeff Law <law@redhat.com>
4662 * PR middle-end/32693
4663 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4664 than gen_rtx_SUBREG.
4665 (extract_bit_field_1): Likewise.
4667 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4669 * doc/sourcebuild.texi (Test directives): Document that arguments
4670 include-opts and exclude-opts are now optional for dg-skip-if,
4671 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4673 2010-03-03 Jason Merrill <jason@redhat.com>
4676 * cgraph.h (varpool_node): Add extra_name field.
4677 * varpool.c (varpool_extra_name_alias): New.
4678 (varpool_assemble_decl): Emit extra name aliases.
4679 (varpool_mark_needed_node): Look past an extra name alias.
4680 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4681 * lto-streamer-in.c (lto_input_tree): Read it.
4682 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4684 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4686 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4687 (sparc*-*-solaris2*): ...this.
4689 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4692 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4693 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4694 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4695 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4698 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4699 fallthrough to default handling, just with want_address 0 instead of 2.
4700 For single element lists, add_AT_loc directly, otherwise create an
4701 artificial variable DIE and stick location list to it.
4704 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4705 (VAL_EXPR_HAS_REVERSE): Define.
4706 (reverse_op): New function.
4707 (add_stores): For reversible operations add an extra MO_VAL_USE.
4709 2010-03-02 Jason Merrill <jason@redhat.com>
4711 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4713 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4715 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4716 (sparc64-*-linux*): Likewise.
4717 (sparc64-*-solaris2*): Include assembler files before linker ones.
4718 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4719 * config/sparc/gas.h: Delete.
4720 * config/sparc/sol2-64.h: Add copyright notice.
4721 * config/sparc/sol2-gas-bi.h: Likewise.
4722 * config/sparc/sol2-gld.h: Likewise.
4723 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4724 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4725 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4726 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4727 (sparc_elf_asm_named_section): Rename into...
4728 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4730 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4732 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4734 2010-03-02 Jeff Law <law@redhat.com>
4737 * reload1.c (rtx_p, substitute_stack): Declare.
4738 (substitute): Record addresses of changed rtxs.
4739 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4740 Restore the original rtx when complete.
4741 (reload): Free subsitute_stack when complete.
4743 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4745 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4746 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4748 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4749 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4750 Torture Tests): Change from subsection to section.
4752 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4753 Steven Bosscher <steven@gcc.gnu.org>
4755 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4758 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4761 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4762 the assignment from the new induction variable to the assignment
4763 of the value from the original loop PHI function.
4765 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4766 Daniel Jacobowitz <dan@codesourcery.com>
4768 * doc/sourcebuild.texi (Test directives): Clarify options to
4771 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4773 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4774 Disable cfi directives unless GCC and gas agree on using read-only
4775 .eh_frame sections for 64-bit.
4776 * configure: Regenerate.
4778 2010-03-01 Richard Guenther <rguenther@suse.de>
4780 PR tree-optimization/43220
4781 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4782 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4784 2010-03-01 Richard Guenther <rguenther@suse.de>
4785 Martin Jambor <mjambor@suse.cz>
4788 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4789 gimplified parameters.
4791 2010-03-01 Christian Bruel <christian.bruel@st.com>
4793 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4795 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4797 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4799 2010-03-01 Richard Guenther <rguenther@suse.de>
4802 * expr.c (expand_assignment): Use the alias-oracle to tell
4803 if the rhs aliases the result decl.
4805 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4808 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4809 to sol_gt_pch_get_address.
4810 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4811 64-bit, SPARC and x86.
4812 (sol_gt_pch_get_address): New function.
4814 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4816 * toplev.h (inform_n, error_n): Declare.
4817 * diagnostic.c (inform_n, error_n): New function.
4819 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4821 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4822 has no rtl yet when processing local_decls, queue it and recheck
4823 if deferred stack allocation hasn't assigned it rtl.
4825 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4827 * config/sh/sh.c (unspec_bbr_uid): New.
4828 (gen_block_redirect): Use it instead of INSN_UID.
4829 (gen_far_branch): Likewise.
4831 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4833 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4834 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4836 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4838 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4839 (Warning Options): -Wno-conversion-null is valid for
4840 Objective-C++ as well.
4841 * doc/tm.texi (Named Address Spaces): Likewise.
4842 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4843 * doc/tree-ssa.texi (Tree SSA): Likewise.
4845 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4848 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4849 by default. Don't set the default arch for
4850 i[34567]86-*-darwin*|x86_64-*-darwin*.
4852 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4855 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4856 default. Set the default 32bit/64bit archs with $with_arch
4857 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4859 2010-02-27 Richard Guenther <rguenther@suse.de>
4861 PR tree-optimization/43186
4862 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4863 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4864 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4865 unroller iterations.
4867 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4869 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4870 required and i[34567]86-*-* targets don't support 64bit ISA.
4872 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4875 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4878 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4880 * config.gcc: Set the default arch at least to Prescott for
4881 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4882 if SSE math is enabled.
4884 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4886 * diagnostic.c (diagnostic_initialize): Update.
4887 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4889 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4890 (diagnostic_inhibit_notes): New.
4891 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4893 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4896 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4897 * doc/standards.texi: Likewise.
4898 * doc/extend.texi: Likewise.
4899 * doc/trouble.texi: Likewise.
4900 * doc/cppopts.texi: Likewise.
4901 * doc/install.texi: Likewise.
4902 * c.opt (std=c90,std=gnu90): New options.
4903 * c-opts.c (c_common_handle_option): Handle them.
4905 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4908 * c-decl.c (undeclared_variable): Use an informative note.
4910 2010-02-26 Richard Guenther <rguenther@suse.de>
4912 PR tree-optimization/43186
4913 * gimple.h (gimple_fold): Remove.
4914 * gimple.c (gimple_fold): Remove. Inline into single user ...
4915 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4916 Try harder for conditions.
4918 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4921 * function.c (used_types_insert): Don't skip through named pointer
4922 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4923 and it is different from the main variant's type.
4925 2010-02-26 Nick Clifton <nickc@redhat.com>
4927 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4929 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4931 * config.gcc: Support --with-fpmath=sse for x86.
4933 * config/i386/ssemath.h: New.
4935 * doc/install.texi (--with-fpmath=sse): Documented.
4937 2010-02-26 Richard Guenther <rguenther@suse.de>
4939 PR tree-optimization/43188
4940 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4941 vector types of over-aligned element type.
4943 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4946 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4947 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4949 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4951 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4953 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4955 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4956 * var-tracking.c: Include diagnostic.h.
4957 (debug_dv): New function.
4958 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4961 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4962 (add_value_chain, add_value_chains, remove_value_chain,
4963 remove_value_chains): Handle DEBUG_EXPRs.
4964 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4967 * regcprop.c (struct queued_debug_insn_change): New type.
4968 (struct value_data_entry): Add debug_insn_changes field.
4969 (struct value_data): Add n_debug_insn_changes field.
4970 (debug_insn_changes_pool): New variable.
4971 (free_debug_insn_changes, apply_debug_insn_changes,
4972 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4973 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4974 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4976 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4978 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4979 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4980 changes, call cprop_find_used_regs via note_stores.
4981 (copyprop_hardreg_forward): When copying vd from predecessor
4982 which has any queued DEBUG_INSN changes, make sure the pointers are
4983 cleared. At the end call df_analyze and then if there are any
4984 DEBUG_INSN changes queued at the end of some basic block for still
4985 live registers, apply them.
4986 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4988 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4990 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4993 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4995 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4996 targets. Set the default with_cpu/with_arch from arch/cpu.
4997 Allow x86-64 and native for with_cpu/with_arch.
4999 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5001 * ebitmap.c: Change calls to verify_popcount with calls to
5002 sbitmap_verify_popcount.
5003 (ebitmap_clear_bit): Fixed map->cacheindex test and
5004 map>cache update when bit clearing results in an empty
5007 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5010 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5011 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5012 and support both V2DF and V2DI modes.
5013 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5014 support both V2DF and V2DI modes.
5015 (general): Delete trailing whitespace from a few patterns.
5017 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5018 V2DF/V2DI interleave high/low builtins.
5020 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5023 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5024 interleave high/low functions.
5026 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5028 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5029 #pragma extern_prefix.
5031 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5034 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5035 BLKmode, assert op0 is a MEM and just adjust its mode.
5038 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5039 if bitpos isn't multiple of mode's bitsize.
5041 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5043 * c.opt (-ftemplate-depth=): New.
5044 (-ftemplate-depth-): Deprecate.
5045 * optc-gen.awk: Handle -ftemplate-depth=.
5046 * opth-gen.awk: Likewise.
5047 * c-opts.c (c_common_handle_option): Likewise.
5048 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5050 2010-02-24 Jason Merrill <jason@redhat.com>
5052 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5054 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5056 * cfg.c (alloc_aux_for_block): Remove inline.
5057 (alloc_aux_for_edge): Likewise.
5059 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5061 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5063 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5065 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5066 * config/i386/sol2-gas.h: New file.
5067 * config.gcc (i[34567]86-*-solaris2*): Use it.
5069 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5072 * c-typeck.c (ep_convert_and_check): New.
5073 (build_conditional_expr): Use it.
5074 (build_binary_op): Likewise.
5076 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5078 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5081 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5082 bounds even for -O+.
5083 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5084 expr needs to have DECL_NAME set.
5086 2010-02-24 Nick Clifton <nickc@redhat.com>
5088 * config/mep/mep.c: Include gimple.h.
5089 (mep_function_uses_sp): Delete unused function.
5090 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5091 parameters. Use unsigned integers to count args. Return a
5092 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5094 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5097 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5098 greater or equal to nelt instead of 2 * nelt.
5099 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5102 2010-02-23 Jason Merrill <jason@redhat.com>
5105 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5106 in cfun->local_decls even if they have register types.
5109 * stor-layout.c (place_field): Don't warn about unnecessary
5110 DECL_PACKED if the type is packed.
5112 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5115 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5116 GOTOFF relocs, even when the base reg isn't pic pointer.
5118 2010-02-23 Michael Matz <matz@suse.de>
5121 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5122 (expand_gimple_basic_block): Generate and use debug temps if there
5123 are debug uses left after the last real use of TERed ssa names.
5124 Unlink debug immediate uses when they are expanded.
5126 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5129 * config/i386/i386.c (override_options): Reorganise to provide
5130 better error messages.
5132 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5135 * graphite-scop-detection.c (create_single_exit_edge): Move
5136 the call to find_single_exit_edge to....
5137 (create_sese_edges): ...here. Don't handle multiple edges
5138 exiting the function.
5139 (build_graphite_scops): Don't handle multiple edges
5140 exiting the function.
5142 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5145 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5146 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5148 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5151 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5153 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5156 * c-typeck.c (convert_arguments): Print declaration location.
5157 * c-common.c (validate_nargs): Rename as
5158 builtin_function_validate_nargs.
5159 (check_builtin_function_arguments): Update.
5161 2010-02-22 Richard Guenther <rguenther@suse.de>
5164 * tree-inline.c (declare_return_variable): Use the type of
5165 the call stmt lhs if available.
5167 2010-02-22 Duncan Sands <baldrick@free.fr>
5169 * passes.c (register_pass): Always consider all pass lists when
5170 ref_pass_instance_number is zero.
5172 2010-02-22 Richard Guenther <rguenther@suse.de>
5174 PR tree-optimization/42749
5175 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5176 parameter. Do arithmetic in the original type.
5177 (update_accumulator_with_ops): Likewise.
5178 (adjust_accumulator_values): Adjust.
5180 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5182 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5183 (QI to BLKmode splitter): New splitter.
5185 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5187 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5188 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5190 2010-02-22 Richard Guenther <rguenther@suse.de>
5192 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5194 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5196 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5197 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5198 ($(T)crti.o, $(T)crtn.o): Remove rules.
5200 2010-02-21 Tobias Burnus <burnus@net-b.de>
5203 * doc/invoke.texi (-fassociative-math): Document that this
5204 option is automatically enabled for Fortran.
5206 2010-02-20 David S. Miller <davem@davemloft.net>
5208 * configure.ac: Test if linker and assembler properly support
5209 GOTDATA_OP relocations.
5210 * configure: Rebuild.
5211 * config.in: Likewise.
5212 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5213 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5214 (movsi_high_pic): Likewise.
5215 (movdi_lo_sum_pic): Likewise.
5216 (movdi_high_pic): Likewise.
5217 (movsi_pic_gotdata_op): New pattern.
5218 (movdi_pic_gotdata_op): Likewise.
5219 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5220 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5222 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5225 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5226 attribute to ssemul.
5227 (xop_mulv2div2di3_high): Ditto.
5229 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5232 * c.opt (Wconversion-null): New option.
5233 * doc/invoke.texi (Wconversion-null): Document.
5235 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5237 * common.opt (Wlarger-than-): Add Undocumented.
5239 2010-02-19 Mike Stump <mikestump@comcast.net>
5241 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5243 2010-02-19 Jason Merrill <jason@redhat.com>
5246 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5247 * configure: Likewise.
5249 2010-02-20 Alan Modra <amodra@gmail.com>
5252 * cgraph.h (cgraph_make_decl_local): Declare.
5253 * cgraph.c (cgraph_make_decl_local): New function.
5254 (cgraph_make_node_local): Use it.
5255 * cgraphunit.c (cgraph_function_versioning): Likewise.
5256 * ipa.c (function_and_variable_visibility): Likewise.
5258 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5261 * except.c (sjlj_emit_function_enter): Don't call
5262 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5264 * rtl.h (add_reg_br_prob_note): Remove prototype.
5266 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5269 * c-common.c (conversion_warning): Remove widening conversions
5270 before checking the conversion of integers to reals.
5272 2010-02-19 Mike Stump <mikestump@comcast.net>
5275 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5278 * cgraphunit.c (process_function_and_variable_attributes): Check
5279 DECL_PRESERVE_P instead of looking up attribute "used".
5280 * ipa-pure-const.c (check_decl): Likewise.
5281 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5282 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5283 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5284 instead of attribute "used".
5285 * config/sol2-c.c (solaris_pragma_init): Likewise.
5286 (solaris_pragma_fini): Likewise.
5288 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5290 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5291 Use XCNEW instead of xcalloc.
5292 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5293 XNEW instead of xmalloc.
5294 (get_fields): Use XNEWVEC instead of xmalloc.
5297 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5298 populate vars array.
5299 (create_new_general_access): For debug stmts just reset value.
5300 (get_stmt_accesses): For accesses within debug stmts just record them
5301 using add_access_to_acc_sites instead of preventing the peeling or
5302 counting them as accesses.
5305 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5307 2010-02-19 Richard Guenther <rguenther@suse.de>
5309 PR tree-optimization/42916
5310 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5313 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5315 * configure.ac: Replace all uses of changequote in macro arguments
5316 with proper quoting.
5318 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5321 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5323 2010-02-19 Richard Guenther <rguenther@suse.de>
5325 PR tree-optimization/42944
5326 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5327 test for aliasing with errno.
5329 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5332 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5333 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5334 * dojump.c: Include output.h.
5335 (inv): New inline function.
5336 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5337 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5338 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5339 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5340 argument, pass it down to other calls.
5341 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5342 add REG_BR_PROB note to the conditional jump.
5343 * cfgexpand.c (add_reg_br_prob_note): Removed.
5344 (expand_gimple_cond): Don't call it, add the probability
5345 as last argument to jumpif_1/jumpifnot_1.
5346 * Makefile.in (dojump.o): Depend on output.h.
5347 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5349 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5350 * stmt.c (do_jump_if_equal): Likewise.
5351 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5352 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5353 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5355 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5356 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5357 jumpifnot_1 callers.
5358 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5360 (store_expr): Adjust jumpifnot caller.
5361 (store_constructor): Adjust jumpif caller.
5364 * gimplify.c (gimple_boolify): For __builtin_expect call
5365 gimple_boolify also on its first argument.
5367 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5369 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5371 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5372 * configure: Regenerated.
5374 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5376 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5377 lang_hooks.types_compatible_p instead of comptypes.
5379 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5381 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5382 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5383 if __prefer_thumb__ is defined.
5385 2010-02-18 Martin Jambor <mjambor@suse.cz>
5387 PR tree-optimization/43066
5388 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5389 array with zero-sized element type.
5391 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5393 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5394 rtx, allocate struct var_loc_node here and return it to the
5395 caller, and only if it is actually needed.
5396 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5397 move it earlier and return immediately if it returns NULL.
5399 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5401 * config/sparc/gas.h: New file. Restore
5402 TARGET_ASM_NAMED_SECTION to its ELF default.
5403 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5405 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5406 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5407 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5408 after sparc/sysv4.h.
5410 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5412 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5414 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5416 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5417 patterns from predicated pattern.
5419 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5422 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5423 for insn mnemonic suffix.
5425 2010-02-17 Richard Guenther <rguenther@suse.de>
5427 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5430 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5433 * caller-save.c (save_call_clobbered_regs): If BB ends with
5434 a DEBUG_INSN, move any notes in between last real insn and the last
5435 DEBUG_INSN after the last DEBUG_INSN.
5437 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5439 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5440 Fix return type. Fix argument type. Explain meaning of return value.
5442 2010-02-16 Richard Guenther <rguenther@suse.de>
5444 PR tree-optimization/41043
5445 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5446 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5448 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5450 2010-02-16 Ira Rosen <irar@il.ibm.com>
5452 PR tree-optimization/43074
5453 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5454 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5455 vectorizable cycles in hybrid SLP check.
5456 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5458 2010-02-16 Richard Guenther <rguenther@suse.de>
5460 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5461 (true_dependence): If memrefs_conflict_p computes must-alias
5462 trust it. Move TBAA check after offset-based disambiguation.
5463 (canon_true_dependence): Likewise.
5465 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5467 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5468 * doc/invoke.texi: Document it.
5469 * var-tracking.c: Include toplev.h and params.h.
5470 (vt_find_locations): Return bool indicating success. Compute
5471 hash sizes unconditionally. Check new parameter, report.
5472 (variable_tracking_main_1): Check vt_find_locations results and
5473 retry. Renamed from...
5474 (variable_tracking_main): ... this. New wrapper to preserve
5475 flag_var_tracking_assignments.
5476 * Makefile.in (var-tracking.o): Adjust dependencies.
5478 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5479 Jakub Jelinek <jakub@redhat.com>
5482 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5483 if weak_import attribute is present.
5484 * config/darwin.c (machopic_select_section): Likewise.
5486 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5488 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5489 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5490 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5491 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5493 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5496 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5499 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5500 Rewrite text to refer to the names.
5502 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5504 * config/i386/i386-builtin-types.def
5505 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5506 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5507 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5508 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5509 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5510 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5511 IX86_BUILTIN_VPERMIL2PS256.
5512 (MULTI_ARG_4_DF2_DI_I): Defined.
5513 (MULTI_ARG_4_DF2_DI_I1): Defined.
5514 (MULTI_ARG_4_SF2_SI_I): Defined.
5515 (MULTI_ARG_4_SF2_SI_I1): Defined.
5516 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5517 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5518 __builtin_ia32_vpermil2ps256.
5519 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5520 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5521 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5522 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5523 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5524 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5525 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5526 CODE_FOR_xop_vpermil2v8sf3.
5527 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5528 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5529 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5530 (_mm256_permute2_pd): New.
5531 (_mm_permute2_ps): New.
5532 (_mm256_permute2_ps): New.
5534 2010-02-15 Nick Clifton <nickc@redhat.com>
5536 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5537 boolean parameters. Use emit_jump_insn when emitting a pop
5538 instruction containing a return insn.
5539 (push): Use 'true' rather than '1' as second parameter to F.
5540 (h8300_expand_prologue): Likewise.
5541 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5542 (h8300_expand_epilogue): Likewise.
5544 2010-02-15 Richard Guenther <rguenther@suse.de>
5547 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5550 2010-02-15 Nick Clifton <nickc@redhat.com>
5552 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5555 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5557 * intl.c (fake_ngettext): New function.
5558 * intl.h (fake_ngettext): Declare.
5559 (ngettext): Define macro.
5560 * collect2.c (notice_translated): New function.
5561 (main): Use notice_translated and ngettext.
5562 * collect2.h (notice_translated): Declare.
5564 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5566 * reorg.c (delete_computation): Comment fixes.
5567 * caller-save.c (setup_save_areas): Idem.
5568 * sel-sched-dump.c (dump_lv_set): Idem.
5571 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5573 * config/s390/s390.c (s390_sched_init): New function.
5574 (TARGET_SCHED_INIT): Target hook defined.
5576 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5577 Jack Howarth <howarth@bromo.med.uc.edu>
5578 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5581 Partial revert of unintended change in fix for PR41605.
5582 * config/darwin.h: Fix typo.
5583 * config/darwin9.h: Same.
5585 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5587 * c-pch.c (pch_init): Clear v.
5589 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5592 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5593 graphite_can_represent_init for MULT_EXPR.
5595 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5599 * graphite-sese-to-poly.c (remove_phi): New.
5600 (translate_scalar_reduction_to_array): Call remove_phi.
5602 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5605 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5606 * graphite-clast-to-gimple.h (gloog): Update declaration.
5607 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5608 * graphite-poly.h (struct poly_bb): Add missing comments.
5609 (struct scop): Add poly_scop_p field.
5611 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5612 * graphite.c (graphite_transform_loops): Build the polyhedral
5613 representation for each scop before code generation.
5614 * sese.c (rename_variables_in_operand): Removed.
5615 (rename_variables_in_expr): Return the renamed expression.
5616 (rename_sese_parameters): New.
5617 * sese.h (rename_sese_parameters): Declared.
5619 2010-02-11 Richard Guenther <rguenther@suse.de>
5621 PR tree-optimization/42998
5622 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5623 POINTER_PLUS_EXPR properly.
5625 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5626 Changpeng Fang <changpeng.fang@amd.com>
5629 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5630 the cost of an IV candidate when the IV is used in a test against zero.
5632 * gcc.dg/tree-ssa/ivopts-3.c: New.
5634 2010-02-11 Richard Guenther <rguenther@suse.de>
5637 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5638 pointer-vs-decl case by swapping refs. Handle some cases
5639 of pointer-vs-decl disambiguations more conservatively.
5640 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5641 to false after expanding.
5643 2010-02-11 Richard Guenther <rguenther@suse.de>
5646 * gcc.c (process_command): Handle LTO file@offset case more
5649 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5651 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5652 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5654 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5656 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5657 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5658 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5659 Optimize eq/ne comparisons when both arguments are known to be
5661 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5662 Don't mask operands unnecessarily if they are known to be already
5665 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5667 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5670 2010-02-10 Richard Guenther <rguenther@suse.de>
5672 PR tree-optimization/43017
5673 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5674 for wrapping signed arithmetic.
5676 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5679 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5680 if no debug info should be emitted for it.
5682 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5684 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5685 note when flag_exceptions is set.
5687 2010-02-10 Duncan Sands <baldrick@free.fr>
5689 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5691 2010-02-10 Richard Guenther <rguenther@suse.de>
5694 * tree.c (get_unwidened): Handle constants.
5695 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5697 2010-02-10 Martin Jambor <mjambor@suse.cz>
5700 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5701 check for variable argument counts independently.
5703 2010-02-10 Christian Bruel <christian.bruel@st.com>
5706 * config/sh/sh.c (find_barrier): Increase length for non delayed
5707 conditional branches.
5709 2010-02-10 Christian Bruel <christian.bruel@st.com>
5711 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5713 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5715 * builtins.c (set_builtin_user_assembler_name): Also handle
5716 ffs if int is smaller than word.
5718 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5721 * ira-conflicts.c (get_dup): Remove.
5722 (process_reg_shuffles): Add new parameter. Use it as an
5723 additional guard for copy generation.
5724 (add_insn_allocno_copies): Rewrite.
5726 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5728 * common.opt (fsched2-use-traces): Preserved for backward
5730 * doc/invoke.texi: Remove the documentation about option
5731 -fsched2-use-traces.
5732 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5733 flag_sched2_use_traces.
5734 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5735 the backward compatibility flag section.
5737 2010-02-09 Richard Guenther <rguenther@suse.de>
5739 PR tree-optimization/43008
5740 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5741 make HEAP variables initialized from global memory if they
5742 are not known builtin functions.
5743 (find_func_aliases): Adjust.
5745 2010-02-09 Richard Guenther <rguenther@suse.de>
5747 PR tree-optimization/43000
5748 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5749 arithmetic manually.
5751 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5753 PR tree-optimization/42931
5754 * tree-loop-linear.c (try_interchange_loops): Don't call
5755 double_int_mul if estimated_loop_iterations failed.
5757 2010-02-08 Martin Jambor <mjambor@suse.cz>
5760 * tree-sra.c (build_accesses_from_assign): Do not mark in
5761 should_scalarize_away_bitmap if stmt has volatile ops.
5762 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5765 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5767 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5769 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5771 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5774 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5777 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5779 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5782 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5783 to unknown_dependence.
5784 (graphite_legal_transform_dr): Handle the unknown_dependence.
5785 (graphite_carried_dependence_level_k): Same.
5787 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5789 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5791 2010-02-07 Richard Guenther <rguenther@suse.de>
5794 * expr.c (get_inner_reference): Always initialize *pbitsize.
5796 2010-02-07 Richard Guenther <rguenther@suse.de>
5799 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5800 new ARRAY_REFs on variable size element or minimal index arrays.
5802 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5803 gimple_fold_indirect_ref.
5805 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5808 * arm.c (arm_override_options): Just return if the user has specified
5809 an invalid fpu name.
5811 2010-02-03 Jason Merrill <jason@redhat.com>
5814 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5815 i386_pe_maybe_record_exported_symbol.
5817 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5820 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5821 (pa_delegitimize_address): New function.
5823 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5825 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5826 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5828 2010-02-05 Richard Guenther <rguenther@suse.de>
5831 * lto-streamer-in.c (get_resolution): Deal with references
5832 to undefined functions.
5834 2010-02-05 Richard Guenther <rguenther@suse.de>
5836 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5837 (fold_const_aggregate_ref): Likewise.
5838 (ccp_fold_stmt): Substitute loads.
5839 (maybe_fold_reference): Verify types before substituting.
5841 (fold_gimple_assign): Unshare properly.
5842 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5844 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5846 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5847 for rs6000_gen_cell_microcode.
5849 2010-02-04 Richard Guenther <rguenther@suse.de>
5851 PR rtl-optimization/42952
5852 * dse.c (const_or_frame_p): Remove MEM handling.
5854 2010-02-04 Nick Clifton <nickc@redhat.com>
5856 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5857 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5858 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5859 (mn10300_asm_output_mi_thunk): New function.
5860 (mn10300_can_output_mu_thunk): New function.
5861 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5862 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5863 (FUNCTION_ARG): Delete incorrect comment.
5865 2010-02-03 Jason Merrill <jason@redhat.com>
5868 * fold-const.c (operand_equal_p): Handle erroneous types.
5870 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5872 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5874 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5876 PR rtl-optimization/42941
5877 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5880 2010-02-03 Jason Merrill <jason@redhat.com>
5883 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5885 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5888 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5889 (cselib_reset_table): Renamed from...
5890 (cselib_reset_table_with_next_value): ... this.
5891 (cselib_get_next_uid): Renamed from...
5892 (cselib_get_next_unknown_value): ... this.
5893 * cselib.c (next_uid): Renamed from...
5894 (next_unknown_value): ... this.
5895 (cselib_clear_table): Adjust.
5896 (cselib_reset_table): Adjust. Renamed from...
5897 (cselib_reset_table_with_next_value): ... this.
5898 (cselib_get_next_uid): Adjust. Renamed from...
5899 (cselib_get_next_unknown_value): ... this.
5900 (get_value_hash): Use hash.
5901 (cselib_hash_rtx): Likewise.
5902 (new_cselib_val): Adjust. Set and dump uid.
5903 (cselib_lookup_mem): Pass next_uid as hash.
5904 (cselib_subst_to_values): Likewise.
5905 (cselib_log_lookup): Dump uid.
5906 (cselib_lookup): Pass next_uid as hash. Adjust.
5907 (cselib_process_insn): Adjust.
5908 (cselib_init): Initialize next_uid.
5909 (cselib_finish): Adjust.
5910 (dump_cselib_table): Likewise.
5911 * dse.c (canon_address): Dump value uid.
5912 * print-rtl.c (print_rtx): Print value uid.
5913 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5915 (dv_uid): New function, sort of renamed from...
5916 (dv_htab_hash): ... this, reimplemented in terms of it and...
5917 (dv_uid2hash): ... this. New.
5918 (variable_htab_eq): Drop excess assertions.
5919 (tie_break_pointers): Removed.
5920 (canon_value_cmp): Compare uids.
5921 (variable_post_merge_New_vals): Print uids.
5922 (vt_add_function_parameters): Adjust.
5923 (vt_initialize): Reset table. Adjust.
5925 2010-02-03 Richard Guenther <rguenther@suse.de>
5927 PR tree-optimization/42944
5928 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5929 (call_may_clobber_ref_p_1): Likewise. Properly handle
5930 malloc and calloc clobbering errno.
5932 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5934 * doc/invoke.texi: Fix name of sched1 dump.
5936 * opts.c (decode_options): Set flag_tree_switch_conversion
5937 only conditionally on optimize >= 2.
5939 * gcse.c: Assorted comment fixes in pass description.
5941 2010-02-03 Anthony Green <green@moxielogic.com>
5943 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5944 nop padding in order to maintain alignment of storage location of
5945 target function address.
5946 (moxie_trampoline_init): Store target function address at newly
5948 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5950 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5952 2010-02-03 Richard Guenther <rguenther@suse.de>
5955 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5957 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5959 * config.gcc: Reenable check for obsolete targets.
5960 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5961 mips-sgi-irix6.[0-4]*.
5963 2010-02-02 Nick Clifton <nickc@redhat.com>
5965 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5966 constant size of 4 as being the same as 0.
5967 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5968 can take values in the range 0..4.
5970 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5973 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5974 as _darwin10_Unwind_FindEnclosingFunction().
5975 * libgcc-libsystem.ver: New.
5977 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5980 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5981 implicitly set registers.
5983 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5985 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5986 (arm_override_options): Allow automatic selection of the thread
5987 pointer register if thumb2.
5988 (legitimize_pic_address): Improve code sequences for Thumb2.
5989 (arm_call_tls_get_addr): Likewise.
5990 (legitimize_tls_address): Likewise.
5991 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5992 (pic_load_addr_32bit): ... this. New named pattern.
5993 * thumb2.md (pic_load_addr_thumb2): Delete.
5994 (pic_load_dot_plus_four): Delete.
5995 (tls_load_dot_plus_four): New named pattern.
5997 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6000 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6001 Document fix for TLS bug.
6003 2010-01-31 Richard Guenther <rguenther@suse.de>
6005 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6006 conservatively correct.
6008 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6012 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6014 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6016 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6018 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6020 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6022 * config.gcc: Adjust order of makefile fragments for mingw targets.
6024 2010-01-31 Richard Guenther <rguenther@suse.de>
6027 * gimplify.c (gimplify_init_constructor): For volatile LHS
6028 initialize a temporary.
6030 2010-01-31 Matthias Klose <doko@ubuntu.com>
6032 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6034 * configure: Regenerate.
6036 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6038 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6039 the same alias set and their sizes different constantness.
6040 (aliasing_component_refs_p): Revert 2009-10-24 change.
6042 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6044 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6047 2010-01-29 Richard Guenther <rguenther@suse.de>
6049 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6050 Assert we successfully updated the call.
6052 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6054 PR rtl-optimization/42889
6055 * df.h (df_set_bb_dirty_nonlr): New prototype.
6056 * df-core.c (df_set_bb_dirty_nonlr): New function.
6057 * df-scan.c (df_insn_rescan): Call it instead of
6058 df_set_bb_dirty for DEBUG_INSNs.
6060 2010-01-29 Richard Guenther <rguenther@suse.de>
6063 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6064 quadratic behavior in most cases.
6066 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6069 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6070 in the call to gen_x86_movsicc_0_m1.
6072 2010-01-28 Richard Guenther <rguenther@suse.de>
6074 PR tree-optimization/42871
6075 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6077 2010-01-28 Richard Guenther <rguenther@suse.de>
6079 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6080 into call arguments.
6082 2010-01-28 Richard Guenther <rguenther@suse.de>
6085 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6086 the forwarder if the destination is an EH landing pad.
6088 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6090 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6091 block list passed to gimple_duplicate_sese_tail.
6092 (parallelize_loops): Avoid parallelization when the function
6094 Avoid parallelization when the preheader is IRREDUCIBLE.
6095 Try to optimize when estimated_loop_iterations_int is unresolved.
6096 Add the loop's location to the dump file.
6097 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6098 (gimple_duplicate_sese_tail): Remove the check for the latch.
6099 Redirect nexits to the exit block.
6100 Remove handling of the incoming edges to the latch.
6101 Redirect the backedge from the copied latch to the exit bb.
6103 2010-01-28 Michael Matz <matz@suse.de>
6106 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6107 Wrap force_reg into a sequence, emit it before user.
6109 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6111 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6113 (arm_legacy_rev): Likewise.
6114 (thumb_legacy_rev): Likewise.
6116 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6118 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6119 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6120 on MEM's address failed, try avoid_constant_pool_reference and
6121 recurse if it returned something different.
6122 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6123 address, try avoid_constant_pool_reference and recurse if it
6124 returned something different.
6125 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6126 address and avoid_constant_pool_reference returned something
6127 different, don't set have_address.
6129 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6132 * var-tracking.c (val_store): Add modified argument, obey it.
6134 (count_uses): Move down logging of main.
6135 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6136 don't need resolution.
6137 (emit_notes_in_bb): Likewise.
6139 2010-01-27 Richard Guenther <rguenther@suse.de>
6142 * tree-inline.c (remap_decl): Delay remapping of SSA name
6143 default definitions until we need them.
6145 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6147 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6148 (rs6000_delegitimize_address): New function.
6150 * config/s390/s390.c (s390_delegitimize_address): Call
6151 delegitimize_mem_from_attrs.
6154 * tree-inline.c (cannot_copy_type_1): Removed.
6155 (copy_forbidden): Don't forbid copying of functions containing
6156 records/unions with variable length fields.
6158 2010-01-27 Christian Bruel <christian.bruel@st.com>
6162 * config/sh/sh.c (find_barrier): Increase length for non delayed
6163 conditional branches.
6165 2010-01-27 Matthias Klose <doko@ubuntu.com>
6167 * configure.ac (gnu-unique-object): Fix ldd version check.
6168 * configure: Regenerate.
6170 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6172 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6174 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6175 Test for HAVE_GNU_AS value.
6177 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6179 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6180 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6181 INT64_TYPE): Define.
6182 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6183 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6184 INT_LEAST64_TYPE): Define.
6185 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6186 UINT_LEAST64_TYPE): Define.
6187 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6188 INT_FAST64_TYPE): Define.
6189 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6190 UINT_FAST64_TYPE): Define.
6191 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6192 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6193 (SIG_ATOMIC_TYPE): Define.
6195 2010-01-26 Richard Guenther <rguenther@suse.de>
6197 * df-scan.c (df_scan_set_bb_info): Remove assert.
6198 (df_insn_rescan_debug_internal): Merge asserts.
6199 (df_install_ref): Likewise.
6200 (df_mark_reg): Use bitmap_set_range.
6201 (df_hard_reg_used_p): Remove assert.
6202 (df_hard_reg_used_count): Likewise.
6204 2010-01-26 Richard Guenther <rguenther@suse.de>
6206 PR rtl-optimization/42685
6207 * web.c (web_main): Ignore DEBUG_INSNs.
6209 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6211 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6213 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6214 Fix types of fndecl and arglist parameters.
6216 2010-01-26 Richard Guenther <rguenther@suse.de>
6219 * tree-eh.c (unsplit_eh): Skip debug insns.
6221 2010-01-26 Richard Guenther <rguenther@suse.de>
6223 PR tree-optimization/42250
6224 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6226 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6229 * omp-low.c (expand_omp_sections): Only use single_pred if
6230 l2_bb is single_pred_p.
6232 2010-01-25 Christian Bruel <christian.bruel@st.com>
6235 * config/sh/sh.c (find_barrier): Increase length for non delayed
6236 conditional branches.
6237 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6239 2010-01-24 David S. Miller <davem@davemloft.net>
6241 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6242 define if not using GAS.
6243 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6244 Likewise. Delete SECTION_MERGE code, which is only applicable
6247 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6250 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6251 mangling of va_list in system headers.
6253 2010-01-23 Toon Moene <toon@moene.org>
6255 * tree-predcom.c (combine_chains): Return NULL, not false.
6257 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6259 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6260 initialization of variable res to agree with return type.
6262 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6264 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6265 * tree-sra.c: Add include of expr.h.
6267 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6269 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6270 insert the debug stmt on the single non-EH edge from the stmt.
6272 2010-01-22 Richard Henderson <rth@redhat.com>
6275 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6276 the RHS until after generate_subtree_copies has insertted its
6277 code before the current statement.
6279 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6281 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6283 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6285 2010-01-21 Martin Jambor <mjambor@suse.cz>
6287 PR tree-optimization/42585
6288 * tree-sra.c (struct access): New field grp_total_scalarization.
6289 (dump_access): Dump the new field.
6290 (should_scalarize_away_bitmap): New variable.
6291 (cannot_scalarize_away_bitmap): Likewise.
6292 (sra_initialize): Allocate new bitmaps.
6293 (sra_deinitialize): Free new bitmaps.
6294 (create_access_1): New function.
6295 (create_access): Parts moved to create_access_1.
6296 (type_consists_of_records_p): New function.
6297 (completely_scalarize_record): Likewise.
6298 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6299 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6300 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6302 (analyze_all_variable_accesses): Completely scalarize small eligible
6305 2010-01-21 Martin Jambor <mjambor@suse.cz>
6307 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6309 2010-01-21 Andrew Haley <aph@redhat.com>
6311 * gcc.c (process_command): Move lang_specific_driver before
6312 setting cc_libexec_prefix.
6314 2010-01-21 Richard Guenther <rguenther@suse.de>
6317 * fold-const.c (negate_expr_p): Pretend only negative
6318 real constants are easily negatable.
6320 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6321 Jason Merrill <jason@redhat.com>
6323 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6324 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6325 * calls.c (initialize argument_information): Handle it.
6326 * c-common.c (handle_transparent_union_attribute): Use new name.
6327 * c-decl.c (finish_struct): Ditto.
6328 * c-typeck.c (type_lists_compatible_p): Ditto.
6329 (convert_for_assignment): Use new name and also handle record.
6330 * function.c (aggregate_value_p): Handle it.
6331 (pass_by_reference): Ditto.
6332 (assign_parm_data_types): Ditto.
6333 * print-tree.c (print_node): Ditto.
6334 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6335 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6336 * tree.c (first_field): New fn.
6338 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6341 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6342 even when linking statically, for now.
6344 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6347 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6348 without a cselib val.
6349 (count_uses): Accept MO_VAL_SET with no val on stores.
6350 (add_stores): Likewise.
6352 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6354 * var-tracking.c (check_value_val): Add a compile time assertion.
6355 (dv_is_decl_p): Simplify.
6356 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6357 gcc_assert if ENABLE_CHECKING.
6359 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6362 * var-tracking.c: Include tree-flow.h.
6363 (mem_dies_at_call): New.
6364 (dataflow_set_preserve_mem_locs): Use it.
6365 (dataflow_set_remove_mem_locs): Likewise.
6366 (dump_var): Renamed from dump_variable. Adjust all callers.
6367 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6368 * Makefile.in (var-tracking.o): Adjust deps.
6370 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6372 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6374 2010-01-20 Richard Guenther <rguenther@suse.de>
6376 PR tree-optimization/42717
6377 * tree-ssa-dce.c (get_live_post_dom): Remove.
6378 (forward_edge_to_pdom): Take an arbitrary edge to copy
6379 degenerate PHI args from.
6380 (remove_dead_stmt): Use the first post-dominator even if it
6381 does not contain live statements as redirection destination.
6383 2010-01-20 Richard Guenther <rguenther@suse.de>
6385 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6387 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6389 * sel-sched.c (create_speculation_check): Remove set but not used
6391 (try_transformation_cache): Remove set but not used variable ds.
6392 (calculate_privileged_insns): Remove set but not used variables
6393 cur_insn and min_spec_insn.
6394 (find_best_expr): Remove set but not used variable avail_n.
6395 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6397 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6399 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6400 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6403 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6406 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6407 cpu types. Add support for *-sse3 cpu types.
6408 (x86_64-*-*): Ditto.
6410 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6413 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6414 argument, call initializer_constant_valid_p_1 instead of
6415 initializer_constant_valid_p, pass CACHE to it, return NULL
6416 immediately if first call returns NULL.
6417 (initializer_constant_valid_p_1): New function.
6418 (initializer_constant_valid_p): Use it.
6420 2010-01-20 Thomas Quinot <quinot@adacore.com>
6422 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6424 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6426 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6427 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6428 (loc_list_from_tree): Don't handle unsigned division. Handle
6429 signed modulo using DW_OP_{over,over,div,mul,minus}.
6430 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6431 modulo instead of signed.
6433 2010-01-20 DJ Delorie <dj@redhat.com>
6435 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6437 (h8300_emit_stack_adjustment): Propogate it.
6439 (h8300_expand_prologue): Likewise.
6440 (h8300_expand_epilogue): Likewise.
6442 2010-01-19 Michael Matz <matz@suse.de>
6444 PR tree-optimization/41783
6445 * tree-data-ref.c (toplevel): Include flags.h.
6446 (dump_data_dependence_relation): Also dump the inputs if the
6447 result will be unknown.
6448 (split_constant_offset_1): Look through some conversions.
6449 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6450 the offset from last element is too large.
6451 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6452 (reassociate_to_the_same_stmt): Handle vector registers.
6453 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6455 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6456 wide_prolog_niters argument, emit widening instructions.
6457 (vect_do_peeling_for_alignment): Adjust caller, use widened
6458 variant of the iteration cound.
6459 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6461 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6464 * config/arm/neon-testgen.m (emit_automatics): New parameter
6465 features. Adjust for Fixed_return_reg feature.
6466 (test_intrinsic): Call emit_automatics with new feature.
6467 * config/arm/neon.ml: Update copyright years.
6468 (features): New Fixed_return_reg feature.
6469 (ops): Update feature for Vget_low.
6471 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6473 PR tree-optimization/42719
6474 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6478 * fwprop.c (all_uses_available_at): Return false if def_set dest
6479 is a REG that is used in def_insn.
6481 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6483 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6485 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6488 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6490 * target.h (struct gcc_target) <secondary_reload>: Change type
6491 of last argument to secondary_reload_info *.
6493 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6496 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6497 memory references with unaligned offsets. Remove CQImode handling.
6498 (unaligned_memory_operand): Return 1 for memory references with
6499 unaligned offsets. Remove CQImode handling.
6501 2010-01-18 Richard Guenther <rguenther@suse.de>
6504 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6507 2010-01-18 Richard Guenther <rguenther@suse.de>
6509 PR tree-optimization/42781
6510 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6511 restrict processing only if the original variable was artificial.
6513 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6515 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6516 find number of popped argument bytes.
6518 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6519 Fix the text that describes the return value for invalid insns.
6521 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6523 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6524 Clarify what 'cost of the -dependence' is. Fix quoting.
6526 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6527 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6529 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6531 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6532 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6534 2010-01-17 Richard Guenther <rguenther@suse.de>
6537 * function.c (split_complex_args): Take a VEC to modify.
6538 (assign_parms_augmented_arg_list): Build a VEC instead of
6539 a chain of PARM_DECLs.
6540 (assign_parms_unsplit_complex): Take a VEC of arguments.
6541 Do not fixup unmodified parms.
6542 (assign_parms): Deal with the VEC.
6543 (gimplify_parameters): Likewise.
6545 2010-01-17 Richard Guenther <rguenther@suse.de>
6547 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6548 node existence check.
6549 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6550 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6551 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6552 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6553 (gimple_execute_on_growing_pred): Likewise.
6555 2010-01-17 Richard Guenther <rguenther@suse.de>
6557 PR tree-optimization/42773
6558 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6559 (compute_antic_aux): Likewise.
6560 (compute_partial_antic_aux): Likewise.
6562 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6565 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6568 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6570 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6573 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6574 Fix markup for strict argument.
6576 (TARGET_SCHED_REORDER2): Fix argument types.
6578 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6579 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6581 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6582 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6584 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6587 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6588 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6589 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6590 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6591 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6593 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6595 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6597 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6598 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6600 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6602 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6605 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6607 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6608 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6610 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6612 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6614 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6615 referring to it. Fix language.
6617 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6619 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6621 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6623 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6625 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6626 '@var{stream}. Remove stray 'and'.
6628 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6630 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6632 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6634 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6635 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6637 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6638 Fix description of return value.
6639 Rename argument "sz" to "len."
6641 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6642 Clarify meaning of 'true' return value.
6644 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6646 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6647 rep_mode versus mode_rep.
6649 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6651 (TARGET_BUILTIN_DECL): Fix name.
6653 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6655 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6657 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6659 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6661 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6663 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6666 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6667 Rename argument tm_fn to md_fn.
6669 (TARGET_OPTION_PRINT): Fix argument list.
6671 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6674 * config/i386/i386.c (ix86_fixup_binary_operands):
6675 Revert FMA4 fixup of operands.
6677 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6680 * Makefile.in (write_entries_to_file, install-plugin):
6681 Use \012 instead of \n with tr.
6683 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6685 * configure.ac (HAVE_AS_REF): New C macro.
6686 * configure: Regenerate.
6687 * config.in: Likewise.
6688 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6690 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6693 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6695 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6697 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6699 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6701 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6703 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6705 (TARGET_BINDS_LOCAL_P): Fix argument type.
6707 (TARGET_ASM_FILE_END): Use prototype.
6709 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6711 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6713 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6715 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6717 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6718 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6720 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6721 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6723 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6724 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6725 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6726 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6728 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6730 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6732 (TARGET_INIT_BUILTINS): Use prototype.
6734 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6735 Put 'const char *' in braces. Fix parameter types.
6736 (TARGET_INVALID_CONVERSION): Fix parameter types.
6737 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6738 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6740 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6743 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6745 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6747 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6749 * doc/tm.texi (TARGET_HELP): Fix return type.
6751 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6752 in braces. Fix argument types.
6754 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6756 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6758 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6760 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6761 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6763 (TARGET_MANGLE_TYPE): Fix argument types.
6765 (TARGET_IRA_COVER_CLASSES): Use prototype.
6767 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6769 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6771 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6773 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6775 (TARGET_CALLEE_COPIES): Fix argument types.
6777 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6779 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6781 (TARGET_FUNCTION_VALUE): Fix argument types.
6783 (TARGET_RETURN_IN_MSB): Fix argument type.
6785 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6787 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6789 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6791 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6792 agree with return type.
6794 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6796 2010-01-15 Jing Yu <jingyu@google.com>
6798 PR rtl-optimization/42691
6799 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6800 a pseudo to a constant and are merged, and adjust comments.
6802 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6804 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6806 2010-01-15 Richard Guenther <rguenther@suse.de>
6809 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6810 labels of computed or non-local gotos to the destination.
6811 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6812 landing pad label is the first label.
6814 2010-01-15 Richard Guenther <rguenther@suse.de>
6816 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6818 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6821 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6822 to allow generation of the xssqrtdp instruction on power7.
6823 (sqrtdf2_fpr): Ditto.
6825 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6828 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6829 functions with noreturn attribute.
6832 * varasm.c (declare_weak): Add weak attribute to decl if it
6833 doesn't have one already.
6834 (assemble_external): Only add decls to weak_decls if they also
6835 have weak attribute.
6837 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6839 * var-tracking.c (var_reg_delete): Don't delete the association
6840 between REGs and values or one-part variables if the register
6843 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6846 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6847 because its first operand is a non-localized variable.
6849 2010-01-14 Martin Jambor <mjambor@suse.cz>
6851 PR tree-optimization/42706
6852 * tree-sra.c (encountered_recursive_call): New variable.
6853 (encountered_unchangable_recursive_call): Likewise.
6854 (sra_initialize): Initialize both new variables.
6855 (callsite_has_enough_arguments_p): New function.
6856 (scan_function): Call decl and flags check only for IPA-SRA, check
6857 whether there is a recursive call and whether it has enough arguments.
6858 (all_callers_have_enough_arguments_p): New function.
6859 (convert_callers): Look for recursive calls only when
6860 encountered_recursive_call is set.
6861 (ipa_early_sra): Bail out either if
6862 !all_callers_have_enough_arguments_p or
6863 encountered_unchangable_recursive_call.
6865 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6867 * sel-sched.c: Add 2010 to copyright years.
6868 * sel-sched-ir.c: Likewise.
6869 * sel-sched-ir.h: Likewise.
6871 2010-01-14 Martin Jambor <mjambor@suse.cz>
6873 PR tree-optimization/42714
6874 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6875 constructors specially.
6877 2010-01-14 Andi Kleen <ak@linux.intel.com>
6879 * config/i386/drivers-i386.c (detect_caches_intel):
6880 Add l2sizekb parameter and fill in.
6881 (host_detect_local_cpu): Add l2sizekb, fill in.
6882 Add Atom small cache heuristic.
6884 2010-01-14 Andi Kleen <ak@linux.intel.com>
6886 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6887 Add level3 parameter and fill in.
6888 (detect_caches_intel): Handle level3 cache.
6890 2010-01-14 Andi Kleen <ak@linux.intel.com>
6892 * config/i386/drivers-i386.c (host_detect_local_cpu):
6893 Fix core duo detection.
6895 2010-01-14 Andi Kleen <ak@linux.intel.com>
6897 * config/i386/drivers-i386.c (host_detect_local_cpu):
6900 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6902 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6903 (rs6000_variable_issue_1): this. Use...
6904 (rs6000_variable_issue): here. Reimplement. Print debug info.
6906 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6908 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6909 sel_restore_notes. Update all callers. Call reemit_notes
6912 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6914 PR rtl-optimization/42246
6915 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6918 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6920 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6921 all successors is the same as number of successors in current region.
6923 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6925 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6926 to rename is not separable. Otherwise check that its LHS is not NULL.
6928 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6930 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6932 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6934 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6935 available registers when failed to discover LHS register class.
6936 Fix indentation. Update comment.
6938 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6939 Alexander Monakov <amonakov@ispras.ru>
6941 PR rtl-optimization/42389
6942 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6944 (advance_state_on_fence): Likewise.
6945 (sel_target_adjust_priority): Print debug output only when
6946 sched_verbose >= 4, not 2.
6947 (get_expr_cost): Do not issue all unique insns on the next cycle.
6948 (fill_insns): Initialize can_issue_more from the value saved
6950 * sel-sched-ir.c (flist_add): New parameter issue_more.
6951 Init FENCE_ISSUE_MORE with it.
6952 (merge_fences): Likewise.
6953 (init_fences): Update call to flist_add.
6954 (add_to_fences, add_clean_fence_to_fences)
6955 (add_dirty_fence_to_fences): Likewise.
6956 (move_fence_to_fences): Update call to merge_fences.
6957 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6959 * sel-sched-ir.h (struct _fence): New field issue_more.
6960 (FENCE_ISSUE_MORE): New accessor macro.
6962 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6964 PR rtl-optimization/42388
6965 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6966 that have no predecessors nor successors. Do not call move_bb_info
6967 for empty blocks outside of current region.
6969 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6971 PR rtl-optimization/42294
6972 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6973 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6974 originators' originators.
6976 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6978 PR rtl-optimization/39453
6979 PR rtl-optimization/42246
6980 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6982 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6984 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6985 Alexander Monakov <amonakov@ispras.ru>
6988 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6989 (maybe_tidy_empty_bb): ... here. Make static. Add new
6990 argument. Update all callers.
6991 (tidy_control_flow): ... and here. Recompute topological order
6992 of basic blocks in region if necessary.
6993 (sel_redirect_edge_and_branch): Change return type. Return true
6994 if topological order might have been invalidated.
6995 (purge_empty_blocks): Export and move from...
6996 * sel-sched.c (purge_empty_blocks): ... here.
6997 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6998 (maybe_tidy_empty_bb): Delete prototype.
6999 (purge_empty_blocks): Declare.
7001 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7003 PR rtl-optimization/42249
7004 * sel-sched.c (try_replace_dest_reg): When chosen register
7005 and original register is the same, do not bail out early, but
7006 still check all original insns for validity of replacing destination
7007 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7010 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7013 Port from no-undefined-overflow branch:
7014 2009-03-09 Richard Guenther <rguenther@suse.de>
7016 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7018 2010-01-14 Richard Guenther <rguenther@suse.de>
7021 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7023 2010-01-14 Ira Rosen <irar@il.ibm.com>
7025 PR tree-optimization/42709
7026 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7027 as scalar type in creation of constant vector operand.
7029 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7032 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7033 (check-parallel-%): Match `testsuite' directory component only
7036 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7038 PR translation/39521
7039 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7042 2010-01-13 Richard Guenther <rguenther@suse.de>
7044 PR tree-optimization/42730
7045 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7048 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7051 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7052 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7055 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7057 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7058 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7059 ___umulsi3_highpart.
7061 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7062 rather than schedule_insns if the pass is enabled.
7064 2010-01-13 Martin Jambor <mjambor@suse.cz>
7066 PR tree-optimization/42704
7067 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7070 2010-01-13 Martin Jambor <mjambor@suse.cz>
7072 PR tree-optimization/42703
7073 * tree-sra.c (analyze_access_subtree): Check that we can build a
7074 reference to the original data within the aggregate.
7076 2010-01-13 Richard Guenther <rguenther@suse.de>
7078 PR tree-optimization/42705
7079 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7081 2010-01-13 Richard Guenther <rguenther@suse.de>
7084 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7086 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7089 * var-tracking.c (values_to_unmark): New variable.
7090 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7091 values_to_unmark vector. Moved body to...
7092 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7093 instead queue it into values_to_unmark vector.
7094 (vt_find_locations): Free values_to_unmark vector.
7096 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7098 * config/s390/s390.c (override_options): Set
7099 default of max-pending-list-length to 256
7101 2010-01-13 Richard Guenther <rguenther@suse.de>
7104 * tree-pass.h (PROP_gimple_lcx): New.
7105 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7106 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7107 before the final cleanup_eh.
7108 (dump_properties): Dump PROP_gimple_lcx.
7109 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7110 (tree_lower_complex_O0): Remove.
7111 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7112 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7113 tree_lower_complex, schedule TODO_update_ssa.
7114 * lto-streamer-out.c (output_function): Stream the functions
7116 * lto-streamer-in.c (input_function): Likewise.
7117 (lto_read_body): Do not override them here.
7119 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7122 * c-typeck.c (build_c_cast): Fold value cast to union type before
7123 wrapping it in a CONSTRUCTOR.
7125 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7127 PR rtl-optimization/42699
7128 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7131 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7133 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7134 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7135 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7136 SUBTARGET_WARN_UNUSED_SPEC): ... here
7137 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7139 2010-01-12 Julian Brown <julian@codesourcery.com>
7141 * config/arm/neon-schedgen.ml (Utils): Don't try to
7142 open missing module.
7143 (find_with_result): New.
7145 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7148 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7149 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7151 PR tree-optimization/42645
7152 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7153 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7154 decl_map, set processing_debug_stmt to -1 and return name without
7157 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7159 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7160 binutils version, and reword target configuration description.
7162 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7164 * config/avr/avr.h (LINKER_NAME): Remove.
7166 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7169 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7170 that support VSX, warn for -mno-altivec if vsx is not disabled,
7173 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7174 Shujing Zhao <pearly.zhao@oracle.com>
7176 PR translation/42469
7177 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7178 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7179 character between option name and help text.
7180 * c.opt (imultilib): Likewise.
7182 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7184 * lto-streamer-out.c (output_unreferenced_globals): Output static
7187 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7189 PR rtl-optimization/42621
7190 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7191 optimizing for size.
7192 (duplicate_computed_gotos): Remove now-redundant check.
7194 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7197 * configure.ac: Save and restore LDFLAGS and LIBS
7198 * configure: Regenerate.
7200 2010-01-10 Richard Guenther <rguenther@suse.de>
7203 * builtins.c (fold_builtin_strlen): Add type argument and
7204 convert the resulting length to it.
7205 (fold_builtin_1): Adjust.
7207 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7209 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7210 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7212 (num_insns_constant_wide): Adjust for that change.
7214 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7217 * web.c (union_defs): Add used argument, to combine uses of
7219 (entry_register): Adjust type and tests of used argument.
7220 (web_main): Widen used for new use. Pass it to union_defs.
7221 * df.h (union_defs): Adjust prototype.
7223 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7226 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7227 uses in new incoming argument. Free body.
7228 (reset_debug_uses_in_loop): New.
7229 (analyze_insn_to_expand_var): Call the latter if the former found
7230 anything. Fix whitespace. Reject invalid dest overlaps before
7231 going through all insns in the loop.
7233 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7236 * haifa-sched.c (dying_use_p): Debug insns don't count.
7238 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7241 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7242 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7243 (verify_gimple_call): Reject LHS in noreturn calls.
7245 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7249 * tree-vect-loop-manip.c (adjust_info): New type.
7250 (adjust_vec): New pointer to vector.
7251 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7252 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7253 (slpeel_update_phis_for_duplicate_loop): Use them.
7254 (slpeel_update_phi_nodes_for_guard1): Likewise.
7255 (slpeel_update_phi_nodes_for_guard2): Likewise.
7256 (slpeel_tree_peel_loop_to_edge): Likewise.
7257 (vect_update_ivs_after_vectorizer): Likewise.
7259 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7261 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7262 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7264 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7266 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7267 bogus uninitialized warning.
7269 2010-01-09 Richard Guenther <rguenther@suse.de>
7272 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7273 the evolution is compatible with the initial condition.
7275 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7277 * gcc.c (process_command): Update copyright notice dates.
7278 * gcov.c (print_version): Likewise.
7279 * gcov-dump.c (print_version): Likewise.
7280 * mips-tfile.c (main): Likewise.
7281 * mips-tdump.c (main): Likewise.
7283 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7286 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7288 (rotlhi3_8): Delete.
7290 (rotlsi3_8): Delete.
7291 (rotlsi3_16): Delete.
7292 (rotlsi3_24): Delete.
7294 (*rotw<mode>3): New.
7295 (*rotb<mode>3): New.
7296 * config/avr/avr.c (avr_rotate_bytes): New function.
7297 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7299 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7302 * configure.ac: Modify -rdynamic check.
7303 * configure: Regenerate.
7305 2010-01-08 DJ Delorie <dj@redhat.com>
7307 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7308 register popping order.
7310 2010-01-08 Richard Guenther <rguenther@suse.de>
7313 * c.opt (fsigned-char): Also let LTO handle this option.
7314 (funsigned-char): Likewise.
7316 2010-01-07 Richard Guenther <rguenther@suse.de>
7318 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7319 (gimple_op): Likewise.
7320 (gimple_op_ptr): Likewise.
7321 (gimple_assign_set_lhs): Remove gcc_assert.
7322 (gimple_assign_set_rhs1): Likewise.
7323 (gimple_assign_set_rhs2): Likewise.
7324 (gimple_call_set_lhs): Likewise.
7325 (gimple_call_set_fn): Likewise.
7326 (gimple_call_set_fndecl): Likewise.
7327 (gimple_call_fndecl): Likewise.
7328 (gimple_call_return_type): Likewise.
7329 (gimple_call_set_chain): Likewise.
7330 (gimple_call_num_args): Likewise.
7331 (gimple_call_set_arg): Likewise.
7332 (gimple_cond_set_code): Likewise.
7333 (gimple_cond_set_lhs): Likewise.
7334 (gimple_cond_set_rhs): Likewise.
7335 (gimple_cond_set_true_label): Likewise.
7336 (gimple_cond_set_false_label): Likewise.
7337 (gimple_label_set_label): Likewise.
7338 (gimple_goto_set_dest): Likewise.
7339 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7340 (gimple_debug_bind_get_value): Likewise.
7341 (gimple_debug_bind_get_value_ptr): Likewise.
7342 (gimple_debug_bind_set_var): Likewise.
7343 (gimple_debug_bind_set_value): Likewise.
7344 (gimple_debug_bind_reset_value): Likewise.
7345 (gimple_debug_bind_has_value_p): Likewise.
7346 (gimple_return_retval_ptr): Remove gcc_assert.
7347 (gimple_return_retval): Likewise.
7348 (gimple_return_set_retval): Likewise.
7349 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7350 (safe_referenced_var_iterator): Remove.
7351 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7352 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7353 (fill_referenced_var_vec): Remove.
7354 (first_readonly_imm_use): Remove redundant gcc_assert.
7355 (phi_arg_index_from_use): Combine gcc_asserts.
7356 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7357 (first_imm_use_stmt): Remove redundant gcc_assert.
7358 * tree-cfg.c (verify_gimple_call): Verify function and chain
7359 operands. Verify arguments.
7360 (verify_types_in_gimple_stmt): Verify condition code and labels.
7362 2010-01-07 Richard Guenther <rguenther@suse.de>
7364 PR tree-optimization/42641
7365 * sese.c (rename_map_elt_info): Use the SSA name version, do
7368 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7370 PR tree-optimization/42625
7371 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7372 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7374 2010-01-07 Duncan Sands <baldrick@free.fr>
7376 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7378 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7381 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7382 note itself is not function_invariant_p.
7384 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7386 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7387 Do not add the DF_NOTE problem.
7388 * store-motion.c (execute_rtl_store_motion): Likewise.
7390 2010-01-07 Martin Jambor <mjambor@suse.cz>
7392 PR tree-optimization/42157
7393 * tree-sra.c (compare_access_positions): Stabilize sort if both
7394 accesses have integer types, return zero immediately if they are the
7397 2010-01-06 Richard Henderson <rth@redhat.com>
7400 * haifa-sched.c (add_to_note_list): Merge into ...
7401 (concat_note_lists): ... here, and ...
7402 (unlink_other_notes, rm_other_notes): Merge into...
7403 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7404 NOTE_INSN_EPILOGUE_BEG.
7406 2010-01-06 Richard Guenther <rguenther@suse.de>
7408 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7409 not inline regular functions into always-inline functions.
7411 2010-01-06 Nick Clifton <nickc@redhat.com>
7413 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7414 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7416 (OVERRIDE_OPTIONS): Delete.
7417 (OPTIMIZATION_OPTIONS): Define.
7418 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7419 * config/rx/rx.c (rx_handle_option): Issue an error message if
7420 -mcpu=rx200 and -fpu are used together.
7421 (rx_set_optimization_options): New function. Issue an error
7422 message if an optimization attribute attempts to reset the FPU/
7423 math optimization pairing.
7424 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7425 * config/rx/rx.opt: Set the default to 32-bit doubles.
7426 * config/rx/t-rx: Add multilibs for -nofpu option.
7427 * doc/invoke.texi: Update documentation of RX options.
7429 2010-01-06 Richard Guenther <rguenther@suse.de>
7431 * tree-ssa-pre.c (name_to_id): New global.
7432 (alloc_expression_id): Simplify SSA name handling.
7433 (lookup_expression_id): Likewise.
7434 (init_pre): Zero name_to_id.
7435 (fini_pre): Free it.
7437 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7439 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7441 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7444 * config/i386/sse.md (smaxv2di3): New.
7445 (umaxv2di3): Likewise.
7446 (sminv2di3): Likewise.
7447 (uminv2di3): Likewise.
7449 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7452 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7453 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7454 (legitimize_tls_address): Likewise.
7455 (sparc_tls_referenced_p): Likewise.
7456 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7457 and adjust calls to legitimize_pic_address.
7458 (legitimate_constant_p) Use sparc_tls_referenced_p.
7459 (legitimate_pic_operand_p): Likewise.
7460 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7461 (sparc_tls_symbol_ref_1): Delete.
7462 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7463 (legitimize_tls_address): Make static, handle CONST patterns.
7464 (legitimize_pic_address): Make static, remove unused parameter and
7465 adjust recursive calls.
7466 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7467 and adjust call to legitimize_pic_address.
7468 (sparc_output_mi_thunk): Likewise.
7470 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7471 H.J. Lu <hongjiu.lu@intel.com>
7474 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7475 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7476 operands to make them signed.
7479 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7482 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7483 GTU to GT for V4SI and V2DI.
7485 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7486 (umin<mode>3): Removed.
7488 (uminv4si3): Likewise.
7490 2010-01-05 Martin Jambor <mjambor@suse.cz>
7492 PR tree-optimization/42462
7493 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7494 current_function_decl to helper functions and macros.
7496 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7499 * flags.h: Don't include real.h.
7500 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7501 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7502 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7503 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7504 * dominance.c: Update copyright.
7505 * gimple.c (walk_gimple_op): Remove inline.
7506 * tree-ssa-reassoc.c: Include real.h.
7507 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7508 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7510 2010-01-05 Nick Clifton <nickc@redhat.com>
7512 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7513 register to push into the stack frame when the accumulator has to
7514 be saved during interrupts.
7516 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7518 * doc/invoke.texi: Remove the documentation about option
7520 * common.opt (Wunreachable-code): Preserved for backward
7522 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7523 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7524 the backward compatibility flag section.
7526 2010-01-05 Richard Guenther <rguenther@suse.de>
7528 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7530 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7533 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7535 PR tree-optimization/42508
7536 * tree-sra.c (convert_callers): Check for recursive call
7537 by comparing cgraph nodes instead of decls.
7538 (modify_function): Call ipa_modify_formal_parameters also
7539 on all same_body aliases.
7541 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7542 cgraph nodes when checking for same_body aliases.
7544 2010-01-05 Richard Guenther <rguenther@suse.de>
7546 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7547 allocation and lookup.
7548 (get_or_alloc_expr_for_constant): Likewise.
7549 (phi_translate): Sink allocation.
7551 2010-01-04 Richard Guenther <rguenther@suse.de>
7553 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7554 a new entry only if needed.
7555 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7556 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7558 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7560 (phi_translate): Handle CONSTANTs early.
7562 2010-01-04 Martin Jambor <mjambor@suse.cz>
7564 PR tree-optimization/42398
7565 * tree-sra.c (struct access): Removed flag grp_different_types.
7566 (dump_access): Do not dump the removed flag.
7567 (sort_and_splice_var_accesses): Do not set the removed flag.
7568 (sra_modify_expr): Check for type compatibility directly.
7570 2010-01-04 Martin Jambor <mjambor@suse.cz>
7572 PR tree-optimization/42366
7573 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7574 edges with variable number of parameters.
7575 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7576 flag instead of asserting it.
7577 (ipa_read_node_info): Read uses_analysis_done flag.
7579 2010-01-04 Richard Guenther <rguenther@suse.de>
7581 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7582 iterative_hash_* as intended.
7583 (vn_reference_compute_hash): Likewise. Simplify hashing
7585 (vn_reference_lookup_2): Likewise.
7586 (vn_nary_op_compute_hash): Likewise.
7587 (vn_phi_compute_hash): Likewise.
7588 (expressions_equal_p): Remove strange code.
7589 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7590 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7591 (bitmap_insert_into_set_1): Take value-id as parameter.
7592 (add_to_value): Pass it.
7593 (bitmap_insert_into_set): Likewise.
7594 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7596 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7599 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7600 (do_self_spec): For switches with SWITCH_IGNORE set set also
7601 SWITCH_IGNORE_PERMANENTLY.
7602 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7605 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7607 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7608 tree of an unreferenced global var.
7610 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7613 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7614 GTU to GT for V4SI and V2DI.
7616 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7617 (umin<mode>3): Removed.
7619 (uminv4si3): Likewise.
7621 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7624 * collect2.c (main): Turn on trace in collect2 if -v is passed
7627 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7629 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7630 description of expression operand.
7632 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7634 * configure.ac: Add install-html to target_list for Make-hooks.
7635 * configure: Regenerate.
7636 * fortran/Make-lang.in (F95_HTMLFILES): New.
7637 (fortran.html): Use it.
7638 (fortran.install-html): New.
7639 * Makefile.in (install-html): Add lang.install-html.
7640 * java/Make-lang.in (JAVA_HTMLFILES): New.
7641 (java.html): Use it.
7642 (java.install-html): New.
7643 * objc/Make-lang.in (objc.install-html): New.
7644 * objcp/Make-lang.in (obj-c++.install-html): New.
7645 * cp/Make-lang.in (c++.install-html): New.
7646 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7647 * lto/Make-lang.in (lto.install-html): New.
7649 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7652 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7654 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7656 PR rtl-optimization/41862
7657 * store-motion.c (store_killed_in_insn, compute_store_table,
7658 remove_reachable_equiv_notes, replace_store_insn,
7659 build_store_vectors): Ignore all DEBUG_INSNs.
7661 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7664 * common.opt: Add dumpdir.
7666 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7668 (option_map): Add --dumpdir.
7670 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7672 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7674 * opts.c (decode_options): Try dump_dir_name first if
7675 dump_base_name isn't an absolute path.
7676 (common_handle_option): Handle OPT_dumpdir.
7678 * toplev.c (dump_dir_name): New.
7679 (print_switch_values): Also ignore -dumpdir.
7681 * toplev.h (dump_dir_name): New.
7683 2010-01-03 Richard Guenther <rguenther@suse.de>
7685 PR tree-optimization/42589
7686 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7687 double-word expansion of bswap32.
7689 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7691 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7692 with BLOCK_FOR_INSN.
7693 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7694 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7695 noce_process_if_block): Likewise.
7696 * gcse.c (compute_local_properties, insert_expr_in_table,
7697 insert_set_in_table, canon_list_insert, find_avail_set,
7698 pre_insert_copy_insn): Likewise.
7700 * basic-block.h (BLOCK_NUM): Move from here...
7701 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7703 2010-01-03 Richard Guenther <rguenther@suse.de>
7705 PR tree-optimization/42438
7706 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7707 contains_may_not_return_call flag.
7708 (BB_MAY_NOTRETURN): New.
7709 (valid_in_sets): Trapping nary operations are not valid
7710 in blocks that may not return.
7711 (insert_into_preds_of_block): Remove check for trapping expressions.
7712 (compute_avail): Compute also BB_MAY_NOTRETURN.
7714 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7716 * doc/invoke.texi: Add 2010 to copyright years.
7718 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7720 * config/sparc/sparc.c: Fix formatting nits.
7722 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7723 Alexander Monakov <amonakov@ispras.ru>
7725 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7727 2010-01-02 Richard Guenther <rguenther@suse.de>
7730 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7731 (simplify_switch_using_ranges): Mark to be removed edges
7734 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7736 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7738 * collect2.c (scan_libraries): Add missing argument in call to
7741 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7744 * config/alpha/predicates.md (aligned_memory_operand): Return false
7746 (unaligned_memory_operand): Return true for CQImode.
7747 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7748 doesn not cross aligned SImode word boundary.
7750 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7752 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7754 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7755 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7757 2010-01-02 Richard Guenther <rguenther@suse.de>
7760 * toplev.c (compile_file): Emit LTO marker properly. Change
7762 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7764 2010-01-01 Richard Guenther <rguenther@suse.de>
7767 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7769 2010-01-01 Richard Guenther <rguenther@suse.de>
7772 * c-decl.c (grokdeclarator): For zero-size arrays force
7773 structural equality checks as layout_type does.
7775 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7777 * builtins.c: Update copyright to 2010.
7779 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7782 * lto-streamer-out.c (produce_asm): Revert the last change.
7783 (copy_function): Likewise.
7785 * lto-streamer.c (lto_get_section_name): Skip any leading
7788 2010-01-01 Richard Guenther <rguenther@suse.de>
7791 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7795 Copyright (C) 2010 Free Software Foundation, Inc.
7797 Copying and distribution of this file, with or without modification,
7798 are permitted in any medium without royalty provided the copyright
7799 notice and this notice are preserved.