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.
258 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
261 2010-04-28 Richard Guenther <rguenther@suse.de>
263 PR tree-optimization/43879
264 PR tree-optimization/43909
265 * tree-ssa-structalias.c (struct variable_info): Add
266 only_restrict_pointers flag.
267 (new_var_info): Initialize it. Increment stats.total_vars here.
268 (create_function_info_for): Do not increment stats.total_vars
270 (get_function_part_constraint): Fix build with C++.
271 (insert_into_field_list): Remove.
272 (push_fields_onto_fieldstack): Properly merge fields.
273 (create_variable_info_for): Split and simplify.
274 (create_variable_info_for_1): New piece.
275 (intra_create_variable_infos): Properly make restrict constraints
278 2010-04-28 Richard Guenther <rguenther@suse.de>
281 * tree-inline.c (copy_bind_expr): Also copy bind expr vars
284 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
285 Jan Hubicka <hubicka@ucw.cz>
287 * doc/invoke.texi (-Wsuggest-attribute=const,
288 -Wsuggest-attribute=pure): Document.
289 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
290 (function_always_visible_to_compiler_p,
291 suggest_attribute, warn_function_pure, warn_function_const):
293 (check_call): Improve debug info.
294 (analyze_function): Do not check availability.
295 (add_new_function): Check availability.
296 (propagate): Output warnings.
297 (skip_function_for_local_pure_const): New function.
298 (local_pure_const): Use it; output warnings.
299 * common.opt (Wsuggest-attribute=const,
300 Wsuggest-attribute=pure): New.
302 2010-04-27 Jakub Jelinek <jakub@redhat.com>
304 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
305 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
306 or DW_CFA_def_cfa_offset{,_sf}.
308 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
310 * tree.h: Fix truncated long macros.
312 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
314 * collect2.c (TARGET_64BIT): Redefine to target's default.
316 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
317 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
318 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
319 for underscoring __USER_LABEL_PREFIX__.
320 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
321 (SUB_LINK_ENTRY32): New.
322 (SUB_LINK_ENTRY64): New.
323 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
324 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
325 (SUB_LINK_ENTRY64): New.
326 (SUB_LINK_ENTRY): New.
327 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
328 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
329 x64 target is choosen.
330 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
331 * configure: Regenerated.
332 * configure.ac (leading-mingw64-underscores): Option added.
334 2010-04-27 Jan Hubicka <jh@suse.cz>
336 * doc/invoke.texi (-fipa-profile): Document.
337 * opts.c (decode_options): Enable ipa-profile at -O1.
338 * timevar.def (TV_IPA_PROFILE): Define.
339 * common.opt (fipa-profile): Add.
340 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
342 (cgraph_propagate_frequency): Handle only local ones.
343 * tree-pass.h (pass_ipa_profile): Declare.
344 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
345 (pass_ipa_profile): Use TV_IPA_PROFILE.
346 * ipa.c (ipa_profile): New function.
347 (gate_ipa_profile): Likewise.
348 (pass_ipa_profile): New global variable.
349 * passes.c (pass_ipa_profile): New.
351 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
353 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
355 2010-04-27 Martin Jambor <mjambor@suse.cz>
358 * ipa.c (dissolve_same_comdat_group_list): New function.
359 (function_and_variable_visibility): Call
360 dissolve_same_comdat_group_list when comdat group contains external or
362 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
363 lists are circular and that they contain only DECL_ONE_ONLY nodes.
365 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
367 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
368 (const_hash_1) <VECTOR_CST>: New case.
369 (compare_constant) <VECTOR_CST>: Likewise.
370 <ADDR_EXPR>: Deal with LABEL_REFs.
371 (copy_constant) <VECTOR_CST>: New case.
373 2010-04-27 Jan Hubicka <jh@suse.cz>
375 * cgraph.c (cgraph_propagate_frequency): New function.
376 * cgraph.h (cgraph_propagate_frequency): Declare.
377 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
378 cgraph_propagate_frequency.
380 2010-04-27 Jakub Jelinek <jakub@redhat.com>
382 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
384 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
387 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
388 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
389 here to determine which regs to push and how much stack to reserve.
391 2010-04-27 Jie Zhang <jie@codesourcery.com>
393 * doc/gimple.texi (gimple_statement_with_ops): Remove
394 addresses_taken field.
395 (gimple_statement_with_memory_ops): Likewise.
397 2010-04-27 Jan Hubicka <jh@suse.cz>
399 * tree-inline.c (eni_inlining_weights): Remove.
400 (estimate_num_insns): Special case more builtins.
402 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
405 * c-typeck.c (build_binary_op): Move forward check for comparison
406 pointer with null pointer constant and adjust the diagnostic message.
408 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
411 * configure.ac (gcc_cv_as_section_has_align): Set if installed
412 binutils supports extended .section directive needed by LTO, or
413 warn if older binutils found.
414 (LTO_BINARY_READER): New AC_SUBST'd variable.
415 (LTO_USE_LIBELF): Likewise.
416 * gcc/config.gcc (lto_binary_reader): New target-specific configure
418 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
419 (LTO_USE_LIBELF): Likewise.
420 * configure: Regenerate.
422 * collect2.c (is_elf): Rename from this ...
423 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
424 object files in addition to ELF-formatted ones.
425 (scan_prog_file): Caller updated. Also allow for LTO info marker
426 symbol to be prefixed or not by an extra underscore.
428 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
429 * config/i386/winnt.c: Also #include lto-streamer.h
430 (i386_pe_asm_named_section): Specify 1-byte section alignment for
432 (i386_pe_asm_output_aligned_decl_common): Add comment.
433 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
435 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
438 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
439 Add missing earlyclobber for second alternative.
441 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
443 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
444 bits for artificial defs at the top of the block.
445 * fwprop.c (single_def_use_enter_block): Don't call it.
447 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
450 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
451 instead of "$gcc_cv_objdump -T".
452 Use "-undefined dynamic_lookup" on darwin.
453 * gcc/configure: Regenerate.
455 2010-04-26 Jakub Jelinek <jakub@redhat.com>
458 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
460 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
462 * c-parser.c (struct c_token): Move location field up.
463 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
464 (struct c_declspecs): Convert typespec_word, storage_class, and
465 default_int_p into bitfields.
466 (struct c_declarator): Move loc field up.
468 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
470 * cfgloop.h (struct loop): Move can_be_parallel field up.
471 * ipa-prop.h (struct ip_node_params): Move bitfields up.
472 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
474 (struct iv_cand): Convert pos field into a bitfield.
475 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
477 (struct _stmt_vec_info): Shuffle fields for better packing.
479 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
481 * varasm.c (IN_NAMED_SECTION): Remove guard.
482 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
483 (IN_NAMED_SECTION_P): ...this.
484 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
485 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
487 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
489 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
490 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
491 of shadowing it. Fix comments.
493 2010-04-26 Jan Hubicka <jh@suse.cz>
495 * cgraph.c (cgraph_create_node): Set node frequency to normal.
496 (cgraph_clone_node): Copy function frequency.
497 * cgraph.h (node_frequency): New enum
498 (struct cgraph_node): Add.
499 * final.c (rest_of_clean_state): Update.
500 * lto-cgraph.c (lto_output_node): Output node frequency.
501 (input_overwrite_node): Input node frequency.
502 * tre-ssa-loop-ivopts (computation_cost): Update.
503 * lto-streamer-out.c (output_function): Do not output function
505 * predict.c (maybe_hot_frequency_p): Update and handle functions
507 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
509 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
510 (compute_function_frequency): Set noreturn functions to be executed
512 (choose_function_section): Update.
513 * lto-streamer-in.c (input_function): Do not input function frequency.
514 * function.c (allocate_struct_function): Do not initialize function
516 * function.h (function_frequency): Remove.
517 (struct function): Remove function frequency.
518 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
519 (try_update): Update.
520 * tree-inline.c (initialize_cfun): Do not update function frequency.
521 * passes.c (pass_init_dump_file): Update.
522 * i386.c (ix86_compute_frame_layout): Update.
523 (ix86_pad_returns): Update.
525 2010-04-26 Jie Zhang <jie@codesourcery.com>
527 PR tree-optimization/43833
528 * tree-vrp.c (range_int_cst_p): New.
529 (range_int_cst_singleton_p): New.
530 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
531 when both operands are constants. Use range_int_cst_p in
534 2010-04-26 Jan Hubicka <jh@suse.cz>
536 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
538 2010-04-26 Richard Guenther <rguenther@suse.de>
541 * gimple.c (gimple_decl_printable_name): Deal gracefully
542 with a NULL DECL_NAME.
544 2010-04-26 Richard Guenther <rguenther@suse.de>
547 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
548 if emitting debug information and it is either a function
551 2010-04-26 Ira Rosen <irar@il.ibm.com>
553 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
554 determine if the statement is vectorizable, and a macro to access it.
555 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
556 Skip statements that can't be vectorized. If the analysis fails,
557 mark the statement as unvectorizable if vectorizing basic block.
558 (vect_compute_data_refs_alignment): Likewise.
559 (vect_verify_datarefs_alignment): Skip statements marked as
560 unvectorizable. Add print.
561 (vect_analyze_group_access): Skip statements that can't be
562 vectorized. If the analysis fails, mark the statement as
563 unvectorizable if vectorizing basic block.
564 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
565 * tree-vect-stmts.c (vectorizable_store): Fix the number of
566 generated stmts for SLP.
567 (new_stmt_vec_info): Initialize the new field.
568 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
569 statements marked as unvectorizable.
571 2010-04-25 Joseph Myers <joseph@codesourcery.com>
573 * c-common.c (flag_isoc1x): New.
574 (flag_isoc99): Update comment.
575 * c-common.h (flag_isoc1x): New.
576 (flag_isoc99): Update comment.
577 * c-cppbuiltin.c (builtin_define_float_constants): Also define
578 __<type>_DECIMAL_DIG__.
579 * c-opts.c (set_std_c1x): New.
580 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
581 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
582 * c.opt (-std=c1x, -std=gnu1x): New options.
583 * doc/cpp.texi: Mention -std=c1x.
584 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
585 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
586 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
587 * doc/standards.texi: Mention C1X.
588 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
589 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
590 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
593 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
595 * config/i386/gmon-sol2.c (_mcleanup): Change format string
596 placeholder from 0x%x to %#x.
597 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
598 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
599 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
600 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
601 * config/i386/i386.c (ix86_target_string): Ditto.
602 (output_pic_addr_const): Ditto.
603 (print_operand): Ditto.
605 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
607 * combine.c (find_split_point): Add third argument. Use it
608 to find nested multiply-accumulate instructions. Adjust calls.
609 (try_combine): Adjust call to find_split_point.
611 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
613 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
615 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
617 PR tree-optimization/41442
618 * fold-const.c (merge_truthop_with_opposite_arm): New function.
619 (fold_binary_loc): Call it.
621 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
623 * toplev.c (general_init): Set default for fdiagnostics-show-option.
624 * opts.c (common_handle_option): Allow disabling it.
625 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
627 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
629 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
630 between modes if both types are integral.
632 2010-04-23 Richard Guenther <rguenther@suse.de>
634 PR tree-optimization/43572
635 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
637 2010-04-23 Richard Guenther <rguenther@suse.de>
640 * tree-inline.c (tree_can_inline_p): Also check compatibility
643 2010-04-23 Martin Jambor <mjambor@suse.cz>
645 PR tree-optimization/43846
646 * tree-sra.c (struct access): New flag grp_assignment_read.
647 (build_accesses_from_assign): Set grp_assignment_read.
648 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
649 (enum mark_read_status): New type.
650 (analyze_access_subtree): Propagate grp_assignment_read, create
651 accesses also if both direct_read and root->grp_assignment_read.
653 2010-04-23 Martin Jambor <mjambor@suse.cz>
656 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
657 function does not have type attributes.
659 2010-04-23 Richard Guenther <rguenther@suse.de>
662 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
665 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
667 * sese.h (create_if_region_on_edge): Remove.
669 * sese.c (create_if_region_on_edge): Make static.
671 * tree-inline.c: Do not include ggc.h.
673 * expr.c: Do not include ggc.h.
675 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
678 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
681 * config/sh/sh.c (find_barrier): Don't emit a constant pool
682 in the middle of insns for casesi_worker_2.
684 2010-04-22 David Edelsohn <edelsohn@gnu.org>
686 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
688 2010-04-22 Ira Rosen <irar@il.ibm.com>
690 PR tree-optimization/43842
691 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
692 loop unrolling in update of exit phis. Fix comment.
693 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
694 least two reduction statements in the loop before starting SLP
697 2010-04-22 Nick Clifton <nickc@redhat.com>
699 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
701 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
703 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
706 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
708 * tree-parloops.c (loop_parallel_p): New argument
709 parloop_obstack. Pass it down.
710 (parallelize_loops): New variable parloop_obstack. Initialize it,
711 pass it down, free it.
713 * tree-loop-linear.c (linear_transform_loops): Pass down
716 * tree-data-ref.h (lambda_compute_access_matrices): New argument
717 of type struct obstack *.
719 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
720 scratch_obstack. Initialize it, pass down, free it.
722 * lambda.h (lambda_loop_new): Remove.
723 (lambda_matrix_new, lambda_matrix_inverse)
724 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
725 argument of type struct obstack *.
727 * lambda-trans.c (lambda_trans_matrix_new): New argument
728 lambda_obstack. Pass it down, use obstack allocation for ret.
729 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
732 * lambda-mat.c (lambda_matrix_get_column)
733 (lambda_matrix_project_to_null): Remove.
734 (lambda_matrix_new): New argument lambda_obstack. Use obstack
736 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
739 * lambda-code.c (lambda_loop_new): New function.
740 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
741 (lambda_compute_auxillary_space, lambda_compute_target_space)
742 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
743 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
744 (build_access_matrix): New argument lambda_obstack. Use obstack
746 (lambda_compute_step_signs, lambda_compute_access_matrices): New
747 argument lambda_obstack. Pass it down.
749 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
751 * optabs.h (expand_widening_mult): Declare.
753 2010-04-22 Richard Guenther <rguenther@suse.de>
755 PR tree-optimization/43845
756 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
757 lookup the CALL_EXPR function and arguments.
759 2010-04-22 Nick Clifton <nickc@redhat.com>
761 * config/stormy16/stormy16.c
762 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
763 * config/stormy16/stormy16.h: Tidy up formatting.
764 (DONT_USE_BUILTIN_SETJMP): Remove definition.
765 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
766 (ineqbranchsi): Delete pattern.
767 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
768 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
769 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
770 stormy16-lib2-ucmpsi2.c.
772 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
774 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
775 df_simulate_find_noclobber_defs as appropriate. Keep track of an
776 extra set merge_set_noclobber, and use it to relax the final test
778 * df.h (df_simulate_find_noclobber_defs): Declare.
779 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
781 (df_simulate_find_noclobber_defs): New function.
783 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
785 * config/i386/i386.md: Use {} around multi-line preparation statements.
787 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
789 * c-tree.h (push_init_level, pop_init_level, set_init_index)
790 (process_init_element): New argument of type struct obstack *.
792 * c-typeck.c (push_init_level, pop_init_level, set_designator)
793 (set_init_index, set_init_label, set_nonincremental_init)
794 (set_nonincremental_init_from_string, find_init_member)
795 (output_init_element, output_pending_init_elements)
796 (process_init_element): New argument braced_init_obstack. Pass it
798 (push_range_stack, add_pending_init): New argument
799 braced_init_obstack. Use obstack allocation.
801 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
802 braced_init_obstack. Pass it down.
803 (c_parser_braced_init): New variables ret, braced_init_obstack.
804 Initialize obstack, pass it down and finally free it.
806 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
809 * tree-pass.h (pass_optimize_widening_mul): Declare.
810 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
811 gate_optimize_widening_mul): New static functions.
812 (pass_optimize_widening_mul): New.
813 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
814 <case MULT_EXPR>: Remove support for widening multiplies.
815 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
816 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
817 simplify_gen_unary rather than directly building extensions.
818 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
820 * expmed.c (expand_widening_mult): New function.
821 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
823 2010-04-21 Jan Hubicka <jh@suse.cz>
825 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
826 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
827 * lto-wpa-fixup.c: Remove.
828 * Makefile.in (lto-wpa-fixup.o): Remove.
829 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
830 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
831 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
833 2010-04-21 Jan Hubicka <jh@suse.cz>
835 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
836 add write_optimization_summary, read_optimization_summary.
837 (ipa_write_summaries_of_cgraph_node_set): Remove.
838 (ipa_write_optimization_summaries): Declare.
839 (ipa_read_optimization_summaries): Declare.
840 * ipa-cp.c (pass_ipa_cp): Update.
841 * ipa-reference.c (pass_ipa_reference): Update.
842 * ipa-pure-const.c (pass_ipa_pure_const): Update.
843 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
845 * ipa-inline.c (pass_ipa_inline): Update.
846 * ipa.c (pass_ipa_whole_program): Update.
847 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
848 * passes.c (ipa_write_summaries_1): Do not test wpa.
849 (ipa_write_optimization_summaries_1): New.
850 (ipa_write_optimization_summaries): New.
851 (ipa_read_summaries): Do not test ltrans.
852 (ipa_read_optimization_summaries_1): New.
853 (ipa_read_optimization_summaries): New.
855 2010-04-21 Jan Hubicka <jh@suse.cz>
857 * lto-cgraph.c (lto_output_node): Do not output comdat groups
859 (output_cgraph): Do not arrange comdat groups for boundary nodes.
861 2010-04-21 Jakub Jelinek <jakub@redhat.com>
864 * dwarf2out.c (add_name_and_src_coords_attributes): Add
865 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
867 2010-04-21 Jan Hubicka <jh@suse.cz>
869 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
871 2010-04-21 Jan Hubicka <jh@suse.cz>
873 * varpool.c (decide_is_variable_needed): Variable is always needed
876 2010-04-21 Jan Hubicka <jh@suse.cz>
878 * opts.c (decode_options): Enable pure-const pass for whopr.
880 2010-04-21 Jan Hubicka <jh@suse.cz>
882 * cgraph.c (dump_cgraph_node): Dump also assembler name.
883 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
885 (cgraph_decide_inlining): Do not expect callee to be removed in all
888 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
890 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
892 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
894 * config/i386/i386.md (x86_shrd): Add athlon_decode and
895 amdfam10_decode attributes.
897 2010-04-21 Jakub Jelinek <jakub@redhat.com>
900 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
901 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
902 (lower_copyprivate_clauses): Use private var in outer
903 context instead of original var. Make sure the types
904 are correct for VLAs.
906 2010-04-21 Richard Guenther <rguenther@suse.de>
908 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
909 to non-pointer objects.
911 2010-04-21 Jakub Jelinek <jakub@redhat.com>
913 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
914 last chain entry if it starts with the still current label.
915 (add_location_or_const_value_attribute): Check that
916 loc_list->first->next is NULL instead of comparing ->first with ->last.
917 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
918 to add_var_loc_to_decl.
920 * dwarf2out.c (output_call_frame_info): For dw_cie_version
921 >= 4 add also address size and segment size fields into CIE header.
923 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
924 long as address size is the same as sizeof (void *) and
926 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
927 address size or segment size is unexpected, return DW_EH_PE_omit.
928 (classify_object_over_fdes): If get_cie_encoding returned
929 DW_EH_PE_omit, return -1.
930 (init_object): If classify_object_over_fdes returned -1,
931 pretend there were no FDEs at all.
933 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
935 * config/i386/i386.md (bswap<mode>2): Macroize expander from
936 bswap{si,di}2 using SWI48 mode iterator.
937 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
938 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
939 set modrm attribute of bswap insn to 0 and remove length attribute.
940 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
941 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
942 set mode attribute to <MODE> and remove length attribute.
944 2010-04-20 James E. Wilson <wilson@codesourcery.com>
946 PR rtl-optimization/43520
947 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
948 zero available registers.
950 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
952 * builtins.c (fold_builtin_cproj): Fold more cases.
954 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
956 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
957 (fold_builtin_1): Fold builtin cproj.
958 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
959 Use ATTR_CONST_NOTHROW_LIST.
961 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
963 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
964 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
965 ffsi2_no_cmove for !TARGET_CMOVE.
966 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
967 (ffssi2): Remove expander.
968 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
970 (ctz<mode>2): Ditto from ctz{si,di}2.
971 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
973 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
976 2010-04-20 Jakub Jelinek <jakub@redhat.com>
978 * dwarf2out.c (AT_linkage_name): Define.
979 (clone_as_declaration): Handle DW_AT_linkage_name.
980 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
981 of DW_AT_MIPS_linkage_name.
982 (move_linkage_attr): Likewise.
983 (dwarf2out_finish): Likewise.
985 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
988 * fold-const.c (fold_comparison): New folding rule.
990 2010-04-20 Anatoly Sokolov <aesok@post.ru>
992 * double-int.h (double_int_setbit): Declare.
993 * double-int.c (double_int_setbit): New function.
994 * rtl.h (immed_double_int_const): Declare.
995 * emit-rtl.c (immed_double_int_const): New function.
996 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
997 and immed_double_int_const functions.
998 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
999 expand_copysign_bit): (Ditto.).
1000 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1001 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1002 * dojump.c (prefer_and_bit_test): (Ditto.).
1003 * expr.c (convert_modes, reduce_to_bit_field_precision,
1004 const_vector_from_tree): (Ditto.).
1005 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1007 2010-04-20 Jan Hubicka <jh@suse.cz>
1009 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1010 (dump_cgraph_node): Dump new flags.
1011 * cgraph.h (struct cgraph_node): Add flags
1012 reachable_from_other_partition and in_other_partition.
1013 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1014 other partition can not be removed.
1015 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1016 the other partition must be output; silence sanity checking on
1017 leaking functions bodies from other paritition.
1018 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1019 (lto_output_node): Output new flags; do not sanity check that inline
1020 clones are output; drop lto_forced_extern_inline_p code; do not mock
1021 visibility flags at partition boundaries.
1022 (add_node_to): New function.
1023 (output_cgraph): Use it to sort functions so masters appear before
1025 (input_overwrite_node): Input new flags.
1026 * passes.c (ipa_write_summaries): Do not call
1027 lto_new_extern_inline_states.
1028 * lto-section-out.c (forced_extern_inline,
1029 lto_new_extern_inline_states lto_delete_extern_inline_states,
1030 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1031 * lto-streamer.h (lto_new_extern_inline_states,
1032 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1033 lto_forced_extern_inline_p): Kill.
1035 2010-04-20 Richard Guenther <rguenther@suse.de>
1037 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1038 from vars that can have pointers.
1039 (process_constraint): Dump useless constraints.
1041 2010-04-20 Richard Guenther <rguenther@suse.de>
1043 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1044 (dump_sa_points_to_info): Remove asserts.
1045 (init_base_vars): nothing_id isn't an escape point nor does it
1048 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1050 * tree.h (TYPE_REF_IS_RVALUE): Define.
1051 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1052 should_move_die_to_comdat, prune_unused_types_walk): Handle
1053 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1054 (modified_type_die, gen_reference_type_die): Emit
1055 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1056 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1058 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1061 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1062 calls for -fpic -m31 if they have been sibcall optimized.
1064 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1066 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1067 ar.lc fixed and call-used.
1069 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1071 2010-04-19 Jan Hubicka <jh@suse.cz>
1073 * opts.c (decode_options): Disable whpr incompatible passes.
1074 * lto/lto.c (lto_1_to_1_map): Skip clones.
1075 (read_cgraph_and_symbols): Do not mark everything as needed.
1076 (do_whole_program_analysis): Do map only after optimizing;
1077 set proper cgraph_state; use passmanager.
1079 2010-04-19 DJ Delorie <dj@redhat.com>
1081 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1082 POINTER_PLUS_EXPR and fix them.
1084 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1086 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1087 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1088 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1089 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1090 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1091 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1092 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1093 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1094 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1095 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1096 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1098 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1100 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1101 (check_cond_move_block): Likewise.
1102 (cond_move_process_if_block): Likewise.
1103 (noce_find_if_block): Improve formatting.
1104 (find_if_header): Pass 0 to memset and tweak conditions.
1105 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1107 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1109 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1113 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1114 with non-local decl doesn't need chain.
1116 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1118 * ira-color.c (allocno_reload_assign): Avoid accumulating
1119 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1121 2010-04-19 Martin Jambor <mjambor@suse.cz>
1123 * gimple.h (create_tmp_reg): Declare.
1124 * gimplify.c (create_tmp_reg): New function.
1125 (gimplify_return_expr): Use create_tmp_reg.
1126 (gimplify_omp_atomic): Likewise.
1127 (gimple_regimplify_operands): Likewise.
1128 * tree-dfa.c (make_rename_temp): Likewise.
1129 * tree-predcom.c (predcom_tmp_var): Likewise.
1130 (reassociate_to_the_same_stmt): Likewise.
1131 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1132 (get_replaced_param_substitute): Likewise.
1133 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1134 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1135 * tree-ssa-pre.c (get_representative_for): Likewise.
1136 (create_expression_by_pieces): Likewise.
1137 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1138 (create_tailcall_accumulator): Likewise.
1140 2010-04-19 Martin Jambor <mjambor@suse.cz>
1142 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1144 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1146 2010-04-19 Richard Guenther <rguenther@suse.de>
1148 PR tree-optimization/43796
1149 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1150 from SCEV in the lattice.
1151 (vrp_visit_phi_node): Dump change.
1153 2010-04-19 Richard Guenther <rguenther@suse.de>
1155 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1156 * configure: Re-generated.
1158 2010-04-19 Richard Guenther <rguenther@suse.de>
1160 PR tree-optimization/43783
1161 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1162 constant ARRAY_REF operands two and three if possible.
1164 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1167 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1169 2010-04-19 Jie Zhang <jie@codesourcery.com>
1172 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1174 2010-04-19 Ira Rosen <irar@il.ibm.com>
1176 PR tree-optimization/37027
1177 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1178 and macro to access it.
1179 (vectorizable_reduction): Add argument.
1180 (vect_get_slp_defs): Likewise.
1181 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1182 statements for possible use in SLP.
1183 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1184 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1185 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1187 (vectorizable_reduction): Likewise.
1188 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1190 (vectorizable_type_demotion, vectorizable_type_promotion,
1191 vectorizable_store): Likewise.
1192 (vect_analyze_stmt): Update call to vectorizable_reduction.
1193 (vect_transform_stmt): Likewise.
1194 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1195 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1196 from different interleaving chains in same node.
1197 (vect_slp_rearrange_stmts): New function.
1198 (vect_supported_load_permutation_p): Allow load permutations for
1199 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1200 inside SLP nodes if necessary.
1201 (vect_analyze_slp_instance): Handle reductions.
1202 (vect_analyze_slp): Try to build SLP instances originating from groups
1204 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1205 (vect_get_constant_vectors): Create initial vectors for reductions
1206 according to reduction code. Add new argument.
1207 (vect_get_slp_defs): Add new argument, pass it to
1208 vect_get_constant_vectors.
1209 (vect_schedule_slp_instance): Remove SLP tree root statements.
1211 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1213 * tree.h (ENUM_IS_SCOPED): Define.
1214 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1215 for ENUM_IS_SCOPED enums.
1217 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1219 * fold-const.c (fold_comparison): Use ssizetype.
1220 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1221 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1222 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1223 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1225 * tree.h (initialize_sizetypes): Remove parameter.
1226 (build_common_tree_nodes): Remove second parameter.
1227 * stor-layout.c (initialize_sizetypes): Remove parameter.
1228 Always create an unsigned type.
1229 (set_sizetype): Assert that the passed type is unsigned and simplify.
1230 * tree.c (build_common_tree_nodes): Remove second parameter.
1231 Adjust call to initialize_sizetypes.
1232 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1233 build_common_tree_nodes.
1235 2010-04-18 Matthias Klose <doko@ubuntu.com>
1237 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1239 2010-04-18 Ira Rosen <irar@il.ibm.com>
1241 PR tree-optimization/43771
1242 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1243 load permutation doesn't have gaps.
1245 2010-04-18 Jan Hubicka <jh@suse.cz>
1247 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1248 (sse_prologue_save_insn expander): Use new pattern.
1249 (sse_prologue_save_insn1): New pattern and splitter.
1250 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1252 * i386.c (setup_incoming_varargs_64): Do not compute jump
1254 (ix86_gimplify_va_arg): Update alignment needed.
1255 (ix86_local_alignment): Do not align all local arrays to 128bit.
1257 2010-04-17 Jan Hubicka <jh@suse.cz>
1259 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1261 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1263 * arm.md (negdi2): Remove redundant code to force values into a
1266 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1268 * arm/bpabi.S: Add EABI alignment attributes to objects.
1269 * arm/bpabi-v6m.S: Likewise.
1270 * arm/crti.asm: Likewise.
1271 * arm/crtn.asm: Likewise.
1272 * arm/lib1funcs.asm: Likewise.
1273 * arm/libunwind.S: Likewise.
1275 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1277 * arm-protos.h (tune_params): New structure.
1278 * arm.c (current_tune): New variable.
1279 (arm_constant_limit): Delete.
1280 (struct processors): Add pointer to the tune parameters.
1281 (arm_slowmul_tune): New tuning option.
1282 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1283 (all_cores): Adjust to pick up the tuning model.
1284 (arm_constant_limit): New function.
1285 (arm_override_options): Select the appropriate tuning model. Delete
1286 initialization of arm_const_limit.
1287 (arm_split_constant): Use the new constant-limit model.
1288 (arm_rtx_costs): Pick up the current tuning model.
1289 * arm.md (is_strongarm, is_xscale): Delete.
1290 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1291 for Xscale variant architectures.
1292 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1294 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1296 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1298 (arm_rtx_costs_1): Remove unused variable extra_cost.
1299 (arm_unwind_emit_set): Use variable offset.
1300 (thumb1_output_casesi): Remove unused variable flags.
1302 2010-04-16 Jeff Law <law@redhat.com>
1304 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1305 needing assignment rather than doing a two-phase assignment. Remove
1306 unused variable 'm'.
1308 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1311 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1313 2010-04-16 Doug Kwan <dougkwan@google.com>
1315 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1316 (next_operand_entry_id): New static variable.
1317 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1318 (add_to_ops_vec): Assigned unique ID to operand entry.
1319 (struct oecount_s): New field ID.
1320 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1321 (undistribute_ops_list): Assign unique IDs to oecounts.
1322 (init_reassoc): reset next_operand_entry_id.
1324 2010-04-16 Doug Kwan <dougkwan@google.com>
1326 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1327 missing left parenthesis.
1329 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1331 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1332 *btdi_rex64 using SWI48 mode iterator.
1333 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1334 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1335 *jcc_btdi_mask_rex64.
1337 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1339 * double-int.h (tree_to_double_int): Convert to macro.
1340 * double-int.c (tree_to_double_int): Remove.
1342 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1345 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1346 with want_address 2 and in case a single element list might be
1347 possible, call it again with want_address 0.
1349 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1351 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1352 case 'W' print operands for HI mode.
1353 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1354 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1355 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1356 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1358 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1360 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1361 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1362 #xx:3 and #xx:4 mode.
1364 * config/h8300/h8300.md (inverted load with HImode dest): Add
1365 support for H8300SX.
1367 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1368 satisfy 'U' constraint.
1370 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1372 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1373 * configure: Regenerate.
1374 * config.in: Regenerate.
1375 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1378 2010-04-16 Richard Guenther <rguenther@suse.de>
1380 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1381 (struct tree_decl_common): ... here.
1382 (DECL_PT_UID): Adjust.
1383 (SET_DECL_PT_UID): Likewise.
1384 (DECL_PT_UID_SET_P): Likewise.
1386 2010-04-16 Richard Guenther <rguenther@suse.de>
1388 PR tree-optimization/43572
1389 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1390 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1391 * tree-flow.h (is_call_clobbered): Remove.
1392 * tree-flow-inline.h (is_call_clobbered): Likewise.
1393 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1394 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1395 (execute_return_slot_opt): Adjust.
1396 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1397 check for call clobbered vars here.
1398 (find_tail_calls): Move tailcall verification to the
1401 2010-04-16 Diego Novillo <dnovillo@google.com>
1403 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1405 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1408 * config/arm/arm.md (cbranchqi4): New pattern.
1409 * config/arm/predicates.md (const0_operand,
1410 cbranchqi4_comparison_operator): New predicates.
1412 2010-04-16 Richard Guenther <rguenther@suse.de>
1414 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1415 (dump_gimple_stmt): Likewise.
1417 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1419 * recog.h (struct recog_data): New field is_operator.
1420 (struct insn_operand_data): New field is_operator.
1421 * recog.c (extract_insn): Set recog_data.is_operator.
1422 * genoutput.c (output_operand_data): Emit code to set the
1424 * reload.c (find_reloads): Use it rather than testing for an
1425 empty constraint string.
1428 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1429 If the previous insn is a cbranchsi4_insn with the same arguments,
1430 omit the compare instruction.
1432 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1433 register, inputs must be low registers and we need a low register
1434 scratch. Handle alternative 2 like alternative 3.
1436 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1438 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1439 don't call get_addr on both. If one expression is a VALUE and
1440 the other a REG, check VALUE's locs if the REG isn't among them.
1442 2010-04-16 Christian Bruel <christian.bruel@st.com>
1444 * config/sh/sh.h (sh_frame_pointer_required): New function.
1445 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1446 (flag_omit_frame_pointer) Set.
1447 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1448 (rounded_frame_size): Adjust size with outgoing_args_size.
1449 (sh_set_return_address): Must return from stack pointer.
1450 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1451 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1452 (ACCUMULATE_OUTGOING_ARGS): Define.
1453 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1454 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1456 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1459 * config/sh/sh.c (sh_legitimize_reload_address): Use
1460 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1461 Remove a unneeded check for offset_base.
1463 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1465 * configure: Regenerated.
1467 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1469 * config/s390/s390.c (s390_call_save_register_used): Switch back
1470 to HARD_REGNO_NREGS.
1472 2010-04-15 Richard Guenther <rguenther@suse.de>
1474 * alias.c (alias_set_subset_of): Handle alias-set zero
1477 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1478 Julian Brown <julian@codesourcery.com>
1480 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1481 alternatives according to use of high and low regs.
1482 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1483 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1484 optimizing for size on Thumb-2.
1486 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1488 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1490 2010-04-15 Richard Guenther <rguenther@suse.de>
1492 * tree-ssa-structalias.c (struct variable_info): Add
1494 (new_var_info): Initialize it.
1495 (dump_constraints): Support printing last added constraints.
1496 (debug_constraints): Adjust.
1497 (dump_constraint_graph): Likewise.
1498 (make_heapvar_for): Check for NULL cfun.
1499 (get_function_part_constraint): New function.
1500 (get_fi_for_callee): Likewise.
1501 (find_func_aliases): Properly implement IPA PTA constraints.
1502 (process_ipa_clobber): New function.
1503 (find_func_clobbers): Likewise.
1504 (insert_into_field_list_sorted): Remove.
1505 (create_function_info_for): Properly allocate vars for IPA mode.
1506 Do not use insert_into_field_list_sorted.
1507 (create_variable_info_for): Properly generate constraints for
1508 global vars in IPA mode.
1509 (dump_solution_for_var): Always dump the solution.
1510 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1511 (find_what_var_points_to): Adjust.
1512 (pt_solution_set): Change.
1513 (pt_solution_ior_into): New function.
1514 (pt_solution_empty_p): Export.
1515 (pt_solution_includes_global): Adjust.
1516 (pt_solution_includes_1): Likewise.
1517 (pt_solutions_intersect_1): Likewise.
1518 (dump_sa_points_to_info): Check some invariants.
1519 (solve_constraints): Move constraint dumping ...
1520 (compute_points_to_sets): ... here.
1521 (ipa_pta_execute): ... and here.
1522 (compute_may_aliases): Do not re-compute points-to info
1523 locally if IPA info is available.
1524 (ipa_escaped_pt): New global var.
1525 (ipa_pta_execute): Properly implement IPA PTA.
1526 * tree-into-ssa.c (dump_decl_set): Support dumping
1527 decls not in referenced-vars.
1528 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1529 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1530 (dump_points_to_solution): Likewise.
1531 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1532 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1533 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1534 (copy_decl_to_var): Copy DECL_PT_UID.
1535 (copy_result_decl_to_var): Likewise.
1536 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1537 (copy_node_stat): Copy it.
1538 * tree.h (DECL_PT_UID): New macro.
1539 (SET_DECL_PT_UID): Likewise.
1540 (DECL_PT_UID_SET_P): Likewise.
1541 (struct tree_decl_minimal): Add pt_uid member.
1542 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1543 (pt_solution_empty_p): Declare.
1544 (pt_solution_set): Adjust.
1545 (ipa_escaped_pt): Declare.
1546 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1547 * gimple-pretty-print.c (pp_points_to_solution): New function.
1548 (dump_gimple_call): Dump call clobber/use information.
1549 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1550 * tree-pass.h (TDF_ALIAS): New dump option.
1551 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1552 * doc/invoke.texi (-fipa-pta): Update documentation.
1554 2010-04-15 Richard Guenther <rguenther@suse.de>
1556 * Makefile.in (OBJS-common): Add gimple-fold.o.
1557 (gimple-fold.o): New rule.
1558 * tree.h (maybe_fold_offset_to_reference,
1559 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1561 * gimple.h: ... here.
1562 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1563 may_propagate_address_into_dereference): Move prototypes ...
1564 * gimple.h: ... here.
1565 * tree-ssa-ccp.c (get_symbol_constant_value,
1566 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1567 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1568 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1569 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1570 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1571 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1572 gimplify_and_update_call_from_tree): Move ...
1573 * gimple-fold.c: ... here. New file.
1574 (ccp_fold_builtin): Rename to ...
1575 (gimple_fold_builtin): ... this.
1576 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1578 2010-04-15 Richard Guenther <rguenther@suse.de>
1580 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1581 fit_double_type, force_fit_type_double, add_double_with_sign,
1582 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1583 lrotate_double, rrotate_double, div_and_round_double): Move ...
1584 * double-int.c: ... here.
1585 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1586 add_double, neg_double, mul_double_with_sign, mul_double,
1587 lshift_double, rshift_double, lrotate_double, rrotate_double,
1588 div_and_round_double): Move prototypes ...
1589 * double-int.h: ... here.
1591 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1594 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1595 matching constraints to ensure inputs match the output.
1597 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1600 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1601 in an input-only operand.
1603 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1605 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1606 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1607 (double_int_negative_p): Convert to static inline function.
1608 * double-int.c (double_int_lshift, double_int_lshift): New functions.
1609 (double_int_negative_p): Remove.
1610 * tree.h (lshift_double, rshift_double):
1611 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1612 * fold-const.c (fold_convert_const_int_from_real,
1613 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1614 (lshift_double): Change type of arith argument to bool.
1615 (rshift_double): Change type of arith argument to bool. Correct
1617 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1619 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1622 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1623 at the start and end of the then/else blocks, and omit them from the
1625 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1626 argument; all callers changed. Pass zero to old_insns_match_p instead.
1627 (flow_find_head_matching_sequence): New function.
1628 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1629 * basic-block.h (flow_find_cross_jump,
1630 flow_find_head_matching_sequence): Declare functions.
1632 2010-04-14 Jason Merrill <jason@redhat.com>
1635 * c-common.c (attribute_takes_identifier_p): New fn.
1636 * c-common.h: Declare it.
1638 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1640 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1642 (*udivmod<mode>4): Ditto.
1644 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1646 * config/i386/i386.md (maxmin_int): Rename code attribute from
1647 maxminiprefix and update all users.
1648 (maxmin_float): Ditto from maxminfprefix.
1649 (logic): Ditto from logicprefix.
1650 (absneg_mnemonic): Ditto from absnegprefix.
1651 * config/i386/mmx.md: Update all users of maxminiprefix,
1652 maxminfprefix and logicprefix for rename.
1653 * config/i386/sse.md: Ditto.
1654 * config/i386/sync.md (sync_<code><mode>): Update for
1657 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1660 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1661 warnings converted to errors.
1663 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1665 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1666 used insn_type variable.
1667 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1668 to avoid set-but-not-used warning.
1670 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1672 * df-core.c (df_ref_debug): Change format string placeholder
1674 * dwarf2asm.c (dw2_asm_output_data_raw,
1675 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1676 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1677 * dwarf2out.c (output_cfi, output_cfi_directive,
1678 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1679 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1681 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1682 * print-rtl.c (print_rtx): Ditto.
1684 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1687 * builtins.c (expand_builtin_pow_root): New function to expand pow
1688 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1689 series of sqrt and cbrt calls under -ffast-math.
1690 (expand_builtin_pow): Call it.
1692 2010-04-14 Michael Matz <matz@suse.de>
1694 PR tree-optimization/42963
1695 * tree-cfg.c (touched_switch_bbs): New static variable.
1696 (group_case_labels_stmt): New function broken out from ...
1697 (group_case_labels): ... here, use the above.
1698 (start_recording_case_labels): Allocate touched_switch_bbs.
1699 (end_recording_case_labels): Deallocate it, call
1700 group_case_labels_stmt.
1701 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1703 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1705 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1708 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1710 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1712 2010-04-13 Jan Hubicka <jh@suse.cz>
1714 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1715 of optimized out static functions.
1716 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1717 cost computation. Also sanity check for overflows.
1718 (update_caller_keys): Update cgraph_edge_badness call; properly
1719 update fibheap and sanity check that it is up to date.
1720 (add_new_edges_to_heap): Update cgraph_edge_badness.
1721 (cgraph_decide_inlining_of_small_function): Likewise;
1722 add sanity checking that badness in heap is up to date;
1723 improve dumping of reason; Update badness of calls to the
1724 offline copy of function currently inlined; dump badness
1725 of functions not inlined because of unit growth limits.
1727 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1730 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1731 because of sign-extension change when converting to sizetype here...
1732 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1734 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1735 the folding to constants. Remove redundant final conversion.
1736 (fold_binary) <associate>: Do not associate if the re-association of
1737 constants alone overflows.
1738 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1739 to the end of the list.
1740 (multiple_of_p) <COND_EXPR>: New case.
1742 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1744 * opt-functions.awk (opt_sanitized_name): New.
1746 * optc-gen.awk: Use it
1747 * opth-gen.awk: Use it.
1749 2010-04-13 Martin Jambor <mjambor@suse.cz>
1751 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1752 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1753 children. Call replace_uses_with_default_def_ssa_name to handle
1756 2010-04-13 Michael Matz <matz@suse.de>
1759 * builtins.c (expand_builtin_interclass_mathfn): Also create
1760 a register if the predicate doesn't match.
1762 2010-04-13 Diego Novillo <dnovillo@google.com>
1764 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1765 * c-pch.c: Include timevar.h.
1766 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1767 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1768 * ggc-common.c: Include timevar.h.
1769 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1770 * timevar.def (TV_PCH_SAVE): Define.
1771 (TV_PCH_CPP_SAVE): Define.
1772 (TV_PCH_PTR_REALLOC): Define.
1773 (TV_PCH_PTR_SORT): Define.
1774 (TV_PCH_RESTORE): Define.
1775 (TV_PCH_CPP_RESTORE): Define.
1777 2010-04-13 Michael Matz <matz@suse.de>
1779 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1781 (can_reassociate_p): New function.
1782 (break_up_subtract_bb, reassociate_bb): Use it.
1784 2010-04-13 Richard Guenther <rguenther@suse.de>
1787 * builtins.c (c_readstr): Fix assert.
1789 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1791 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1792 when generating cltd insn.
1794 (*ashl<mode>3_1): Remove special handling for register operand 2.
1795 (*ashlsi3_1_zext): Ditto.
1796 (*ashlhi3_1): Ditto.
1797 (*ashlhi3_1_lea): Ditto.
1798 (*ashlqi3_1): Ditto.
1799 (*ashlqi3_1_lea): Ditto.
1800 (*<shiftrt_insn><mode>3_1): Ditto.
1801 (*<shiftrt_insn>si3_1_zext): Ditto.
1802 (*<shiftrt_insn>qi3_1_slp): Ditto.
1803 (*<rotate_insn><mode>3_1): Ditto.
1804 (*<rotate_insn>si3_1_zext): Ditto.
1805 (*<rotate_insn>qi3_1_slp): Ditto.
1807 2010-04-13 Richard Guenther <rguenther@suse.de>
1809 * tree-ssa-structalias.c (callused_id): Remove.
1810 (call_stmt_vars): New.
1811 (get_call_vi): Likewise.
1812 (lookup_call_use_vi): Likewise.
1813 (lookup_call_clobber_vi): Likewise.
1814 (get_call_use_vi): Likewise.
1815 (get_call_clobber_vi): Likewise.
1816 (make_transitive_closure_constraints): Likewise.
1817 (handle_const_call): Adjust to do per-call call-used handling.
1818 (handle_pure_call): Likewise.
1819 (find_what_var_points_to): Remove general callused handling.
1820 (init_base_vars): Likewise.
1821 (init_alias_vars): Initialize call_stmt_vars.
1822 (compute_points_to_sets): Process call-used and call-clobbered
1823 vars for call statements.
1824 (delete_points_to_sets): Free call_stmt_vars.
1826 2010-04-13 Richard Guenther <rguenther@suse.de>
1828 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1829 Only add RW dependence for dependence distance zero.
1830 Adjust maximal vectorization factor according to dependences.
1831 Move alignment handling ...
1832 (vect_find_same_alignment_drs): ... here. New function.
1833 (vect_analyze_data_ref_dependences): Adjust.
1834 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1835 (vect_analyze_data_refs): Adjust minimal vectorization factor
1836 according to data references.
1837 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1838 dependences before determining the vectorization factor.
1839 Analyze alignment after determining the vectorization factor.
1840 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1841 dependences before alignment.
1842 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1844 (vect_analyze_data_refs): Likewise.
1845 (MAX_VECTORIZATION_FACTOR): New define.
1847 2010-04-13 Duncan Sands <baldrick@free.fr>
1849 * except.h (lang_eh_type_covers): Remove.
1850 * except.c (lang_eh_type_covers): Likewise.
1852 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1853 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1855 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1856 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1857 UNITS_PER_LONG where it is ABI relevant.
1858 (s390_return_addr_rtx): Likewise.
1859 (s390_back_chain_rtx): Likewise.
1860 (s390_frame_area): Likewise.
1861 (s390_frame_info): Likewise.
1862 (s390_initial_elimination_offset): Likewise.
1863 (save_gprs): Likewise.
1864 (s390_emit_prologue): Likewise.
1865 (s390_emit_epilogue): Likewise.
1866 (s390_function_arg_advance): Likewise.
1867 (s390_function_arg): Likewise.
1868 (s390_va_start): Likewise.
1869 (s390_gimplify_va_arg): Likewise.
1870 (s390_function_profiler): Likewise.
1871 (s390_optimize_prologue): Likewise.
1872 (s390_rtx_costs): Likewise.
1873 (s390_secondary_reload): Likewise.
1874 (s390_promote_function_mode): Likewise.
1875 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1876 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1877 registers available.
1878 (s390_unwind_word_mode): New function.
1879 (s390_function_value): Split 64 bit values into register pair if
1880 used as return value.
1881 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1882 function call parameters. Handle parallels.
1883 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1884 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1885 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1886 (s390_expand_setmem): Remove unused variable src_addr.
1887 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1888 deal with 64 bit registers.
1889 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1890 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1891 (UNITS_PER_LONG): New macro.
1892 * libjava/include/s390-signal.h: Define extended ucontext
1893 structure containing the upper halfs of the 64 bit registers.
1895 2010-04-13 Simon Baldwin <simonb@google.com>
1897 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1899 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1901 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1902 rvalue on the RHS if the LHS is of a non-renamable type.
1903 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1905 2010-04-13 Matthias Klose <doko@ubuntu.com>
1907 * gcc.c (cc1_options): Handle -iplugindir before processing
1908 the cc1 spec. Only add -iplugindir once.
1909 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1911 * common.opt (iplugindir): Remove `Separate' property, initialize.
1912 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1914 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1915 (distclean): Remove plugin dir.
1916 * doc/invoke.texi: Document -iplugindir.
1918 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1920 * doc/plugins.texi (Loading Plugins): Document short
1921 -fplugin=foo option.
1922 (Plugin API): Mention default_plugin_dir_name function.
1924 * gcc.c (find_file_spec_function): Add new declaration.
1925 (static_spec_func): Use it for "find-file".
1926 (find_file_spec_function): Add new function.
1927 (cc1_options): Add -iplugindir option if -fplugin* options found.
1929 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1931 * plugin.c (add_new_plugin): Updated comment, and handle short
1933 (default_plugin_dir_name): Added new function.
1935 * common.opt (iplugindir): New option to set the plugin directory.
1937 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1939 * config/i386/i386.md (any_rotate): New code iterator.
1940 (rotate_insn): New code attribute.
1942 (SWIM124): New mode iterator.
1943 (<rotate_insn>ti3): New expander.
1944 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1945 any_rotate code iterator.
1946 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1947 using any_rotate code iterator and SWIM124 mode iterator.
1948 (ix86_rotlti3): New insn_and_split pattern.
1949 (ix86_rotrti3): Ditto.
1950 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1951 ix86_rotl{di,ti}3 patterns.
1952 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1953 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1954 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1955 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1956 code iterator and SWI mode iterator.
1957 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1958 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1960 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1961 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1962 (bswap rotatert splitter): Add splitter.
1963 (bswap splitter): Macroize splitter using any_rotate code iterator.
1964 Add insn predicate to split only for TARGET_USE_XCHGB or when
1965 optimizing function for size.
1967 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1969 * config/pa/pa.c (emit_move_sequence): Remove use of
1970 deleted variable flag_argument_noalias.
1972 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1974 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1976 Add to unsupported targets list.
1977 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1978 sparc*-sun-solaris2.[567]* from target lists.
1979 * configure: Regenerate.
1980 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1982 Remove Solaris 7 patch references.
1983 (Specific, sparc-sun-solaris2.7): Removed.
1984 (sparc-sun-solaris2*): Update Solaris 7 example.
1985 (sparc64-*-solaris2*): Likewise.
1987 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1989 * config.build (alpha*-dec-osf4*): Remove.
1990 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1991 of obsolete configurations.
1992 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1994 * config/alpha/t-osf4: Renamed to ...
1995 * config/alpha/t-osf5: ... this.
1996 * config/alpha/osf.h: Renamed to ...
1997 * config/alpha/osf5.h: ... this.
1998 Merged old osf5.h contents.
2000 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2001 (EXTRA_SPECS): Removed.
2002 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2003 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2006 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2008 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2010 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2013 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2014 __thiscall convention.
2016 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2018 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2020 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2022 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2024 * function.c (assign_parms_initialize_all): Add unused attribute
2027 2010-04-12 Richard Guenther <rguenther@suse.de>
2029 * gsstruct.def (GSS_CALL): New.
2030 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2031 * gimple.h: Include tree-ssa-alias.h.
2032 (struct gimple_statement_call): New.
2033 (union gimple_statement_struct_d): Add gimple_call member.
2034 (gimple_call_reset_alias_info): Declare.
2035 (gimple_call_use_set): New function.
2036 (gimple_call_clobber_set): Likewise.
2037 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2038 * gimple.c (gimple_call_reset_alias_info): New function.
2039 (gimple_build_call_1): Call it.
2040 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2041 * tree-inline.c (remap_gimple_stmt): Likewise.
2042 (expand_call_inline): Remove callused handling.
2043 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2044 * tree-dfa.c (dump_variable): Likewise.
2045 * tree-parloops.c (parallelize_loops): Likewise.
2046 * tree-ssa.c (init_tree_ssa): Likewise.
2047 (delete_tree_ssa): Likewise.
2048 * tree-flow-inline.h (is_call_used): Remove.
2049 * tree-flow.h (struct gimple_df): Remove callused member.
2050 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2051 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2052 (ref_maybe_used_by_call_p_1): Simplify.
2053 (call_may_clobber_ref_p_1): Likewise.
2054 * tree-ssa-structalias.c (compute_points_to_sets): Set
2055 the call stmt used and clobbered sets.
2056 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2057 (find_tail_calls): Verify the tail call.
2059 2010-04-12 Richard Guenther <rguenther@suse.de>
2061 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2062 single-iteration always-inline inlining.
2063 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2064 (cgraph_decide_inlining): Do not handle always-inline specially.
2065 (try_inline): Remove always-inline cycle detection special case.
2066 Do not recurse on always-inlines.
2067 (cgraph_early_inlining): Do not iterate if not optimizing.
2068 (cgraph_gate_early_inlining): remove.
2069 (pass_early_inline): Run unconditionally.
2070 (gate_cgraph_decide_inlining): New function.
2071 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2072 not inlining or optimizing.
2073 (cgraph_decide_inlining_of_small_functions): Also consider
2074 always-inline functions.
2075 (cgraph_default_inline_p): Return true for nodes which should
2076 disregard inline limits.
2077 (estimate_function_body_sizes): Assume zero size and time for
2078 nodes which are marked as disregarding inline limits.
2079 (cgraph_decide_recursive_inlining): Do not perform recursive
2080 inlining on always-inline nodes.
2082 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2085 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2086 for exprs satisfying handled_component_p.
2088 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2090 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2091 non-constant aggregate elements.
2093 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2094 is a real initialization.
2096 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2099 * c-decl.c (start_function): Move forward check for nested function.
2101 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2103 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2104 * config/sh/sh.c: Include reload.h.
2105 (sh_legitimize_reload_address): New.
2106 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2107 sh_legitimize_reload_address.
2109 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2111 * config/sh/sh.md (*movqi_pop): New insn pattern.
2112 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2114 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2116 * config/i386/i386.md (any_shiftrt): New code iterator.
2117 (shiftrt_insn): New code attribute.
2119 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2120 using any_shiftrt code iterator.
2121 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2122 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2123 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2124 pattern from corresponding peephole2 patterns.
2125 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2126 using any_shiftrt code iterator.
2127 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2128 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2129 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2130 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2131 *{ashr,lshr}<mode>3_cmp_zext.
2132 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2134 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2136 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2138 (*lshr<mode>3_cconly): Ditto.
2140 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2142 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2143 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2144 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2145 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2147 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2148 from corresponding peephole2 patterns.
2149 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2150 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2151 and *lshrdi3_1_rex64 using SWI mode iterator.
2152 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2153 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2154 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2155 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2156 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2157 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2158 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2159 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2160 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2163 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2165 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2166 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2167 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2168 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2170 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2171 from corresponding peephole2 patterns.
2172 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2173 (ashrsi3_cvt): Rename from ashrsi3_31.
2174 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2175 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2176 and x86_64_shift_adj_3 using SWI48 mode iterator.
2177 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2178 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2179 and *ashrdi3_1_rex64 using SWI mode iterator.
2180 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2181 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2182 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2183 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2184 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2185 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2186 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2187 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2188 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2190 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2191 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2192 x86_shift<mode>_adj_3 expanders.
2194 2010-04-10 Wei Guozhi <carrot@google.com>
2197 * config/arm/arm.c (arm_pic_static_addr): New function.
2198 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2200 (arm_output_addr_const_extra): Output expression for new pattern.
2201 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2203 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2205 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2208 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2209 * web.c: Include "insn-config.h" and "recog.h".
2210 (union_match_dups): New function.
2211 (web_main): Call it.
2212 (union_defs): Don't try to recognize match_dups.
2214 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2215 if doing so would replace the entire pattern.
2217 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2221 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2222 and splitter pattern. Change splitter operand 1 predicate to
2225 2010-04-09 Martin Jambor <mjambor@suse.cz>
2227 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2228 lattices are addresses of CONST_DECLs with the same initial value.
2229 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2230 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2232 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2233 Bernd Schmidt <bernds@codesourcery.com>
2235 * loop-invariant.c (replace_uses): New static function.
2236 (move_invariant_reg): Use it to ensure we can replace the uses.
2238 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2240 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2242 (picochip_override_options): Enable section anchors only above -O1.
2243 (picochip_reorg): Fixed a couple of build warnings.
2245 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2247 * configure.ac (plugin -rdynamic test): Log result.
2248 * configure: Regenerate.
2249 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2250 (RDYNAMIC_SPEC): Define.
2251 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2253 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2255 * configure.ac: Determine Sun ld version numbers.
2256 (comdat_group): Restrict GNU ld version checks to gld.
2257 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2258 (enable_comdat): Support --enable-comdat.
2259 * configure: Regenerate.
2260 * doc/install.texi (Configuration): Document --enable-comdat.
2262 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2264 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2265 * config/sol2-gld.h: ... here.
2266 * config.gcc (sparc*-*-solaris2*): Reflect this.
2267 (i[34567]86-*-solaris2*): Use it.
2269 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2271 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2273 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2275 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2278 * diagnostic.c (diagnostic_initialize): Initialize
2279 some_warnings_are_errors.
2280 (diagnostic_finish): New.
2281 (diagnostic_action_after_output): Call it before exiting.
2282 (diagnostic_report_diagnostic): Do not print message here. Set
2283 some_warnings_are_errors.
2284 * diagnostic.h (diagnostic_context): Delete
2285 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2286 (diagnostic_finish): Declare.
2287 * toplev.c (toplev_main): Call it before exit.
2289 2010-04-09 Jason Merrill <jason@redhat.com>
2292 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2293 for incomplete type.
2296 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2297 based on a warning flag.
2299 2010-04-09 Richard Guenther <rguenther@suse.de>
2301 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2303 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2306 * varasm.c (default_assemble_visibility): Wrap vars that are
2307 set, but unused, by targets without GAS.
2308 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2309 Remove set, but unused, vars.
2310 (rs6000_legitimize_tls_address): Likewise.
2311 (altivec_expand_dst_builtin): Likewise.
2312 * config/darwin.c (machopic_classify_symbol): Likewise.
2313 (machopic_indirection_name): Likewise.
2315 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2317 * config/i386/i386.md (DWI): New mode iterator.
2318 (S): New mode attribute.
2319 (shift_operand): Ditto.
2320 (shift_immediate_operand): Ditto.
2321 (ashl_input_operand): Ditto.
2322 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2323 using SDWIM mode iterator.
2324 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2325 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2327 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2328 from corresponding peephole2 patterns.
2329 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2330 and x86_64_shift_adj_1 using SWI48 mode iterator.
2331 (x86_shift<mode>_adj_2): Ditto.
2332 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2333 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2334 using SWI48 mode iterator.
2335 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2336 *ashldi3_cmp_rex64 using SWI mode iterator.
2337 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2338 *ashldi3_cconly_rex64 using SWI mode iterator.
2339 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2340 x86_shift<mode>_adj_{1,2}.
2341 (ix86_split_ashr): Ditto.
2342 (ix86_split_lshr): Ditto.
2344 2010-04-09 Richard Guenther <rguenther@suse.de>
2346 * target.h (builtin_conversion): Pass in input and output types.
2347 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2348 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2349 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2350 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2352 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2354 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2356 2010-04-09 Richard Guenther <rguenther@suse.de>
2359 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2361 2010-04-09 Richard Guenther <rguenther@suse.de>
2363 * tree-vectorizer.h (struct _stmt_vec_info): Document
2364 that vectype is the type of the LHS.
2365 (supportable_widening_operation, supportable_narrowing_operation):
2366 Get both input and output vector types as arguments.
2367 (vect_is_simple_use_1): Declare.
2368 (get_same_sized_vectype): Likewise.
2369 * tree-vect-loop.c (vect_determine_vectorization_factor):
2370 Set STMT_VINFO_VECTYPE to the vector type of the def.
2371 (vectorizable_reduction): Adjust.
2372 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2373 Adjust. Specify the output vector type.
2374 (vect_pattern_recog_1): Adjust.
2375 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2376 (vectorizable_call): Adjust.
2377 (vectorizable_conversion): Likewise.
2378 (vectorizable_operation): Likewise.
2379 (vectorizable_type_demotion): Likewise.
2380 (vectorizable_type_promotion): Likewise.
2381 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2383 (vect_is_simple_use_1): New function.
2384 (supportable_widening_operation): Get both input and output
2386 (supportable_narrowing_operation): Likewise.
2387 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2389 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2391 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2392 __thiscall and _thiscall as predefined macros.
2393 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2394 thiscall attribute handling.
2395 (ix86_comp_type_attributes): Likewise.
2396 (ix86_function_regparm): Likewise.
2397 (ix86_return_pops_args): Likewise.
2398 (init_cumulative_args): Likewise.
2399 (find_drap_reg): Likewise.
2400 (ix86_static_chain): Likewise.
2401 (x86_this_parameter): Likewise.
2402 (x86_output_mi_thunk): Likewise.
2403 (ix86_attribute_table): Add description for thiscall attribute.
2404 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2405 * doc/extend.texi: Add documentation for thiscall.
2407 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2410 * c.opt (Wint-to-pointer-cast): Available in C++.
2411 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2413 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2415 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2416 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2417 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2418 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2419 function type instead. Reorder and simplify checks.
2421 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2423 2010-04-08 Jing Yu <jingyu@google.com>
2424 Zdenek Dvorak <ook@ucw.cz>
2426 PR tree-optimization/42720
2427 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2428 loop unswitch conditions here from ...
2429 (tree_unswitch_single_loop): ... here.
2431 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2433 * tree-if-conv.c: Fix comments and simplify logic.
2435 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2437 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2438 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2439 (main_tree_if_conversion): Update call to tree_if_conversion.
2441 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2444 * doc/invoke.texi (-b,-V): Delete.
2445 * doc/tm.texi: Do not mention -b.
2446 * gcc.c (display_help): Delete -b and -V.
2447 (process_command): Delete -b and -V.
2448 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2450 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2451 Wolfgang Gellerich <gellerich@de.ibm.com>
2453 Implement target hook for loop unrolling
2454 * target.h (loop_unroll_adjust): Add a new target hook function.
2455 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2456 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2457 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2458 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2459 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2461 (decide_unroll_stupid): Likewise.
2463 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2466 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2468 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2470 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2471 (Specific, *-*-solaris2*): Likewise.
2472 Don't prefer Sun as over GNU as.
2474 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2476 * config/s390/s390.c (override_options): Adjust the z10
2477 defaults for max-unroll-times, max-completely-peeled-insns
2478 and max-completely-peel-times.
2480 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2482 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2483 instructions for z10.
2484 (s390_expand_setmem): Likewise.
2485 (s390_expand_cmpmem): Likewise.
2487 2010-04-08 Richard Guenther <rguenther@suse.de>
2489 PR tree-optimization/43679
2490 * tree-ssa-pre.c (eliminate): Only propagate copies.
2492 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2495 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2496 set but not used variable warning.
2498 2010-04-08 Wei Guozhi <carrot@google.com>
2501 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2502 (arm_size_rtx_costs): Call the new function when optimized for size.
2504 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2507 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2508 op0 is not a MEM, just return NULL instead of assertion
2510 (discover_nonconstant_array_refs): Don't walk debug stmts.
2512 2010-04-08 Doug Kwan <dougkwan@google.com>
2514 * configure.ac: Recognize gold and do not use its version number
2515 to test ld features.
2516 * configure: Regenerate.
2518 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2521 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2522 (negate_value): Move code to push elements to broken_up_substracts ...
2523 (eliminate_plus_minus_pair): ... here. Push operands that have no
2524 negative pair to plus_negates.
2525 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2527 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2529 * doc/install.texi (Configuration): Move description of
2530 --enable-lto, --with-libelf*, --enable-gold from Java section to
2533 * doc/generic.texi (Working with declarations)
2534 (Function Properties, C and C++ Trees): Fix typos.
2535 * doc/sourcebuild.texi (Top Level): Likewise.
2537 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2540 * tree.h (DECL_READ_P): Define.
2541 (struct tree_decl_common): Add decl_read_flag.
2542 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2543 a set but not used warning.
2544 (merge_decls): Merge DECL_READ_P flag.
2545 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2546 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2547 * c-common.c (handle_used_attribute, handle_unused_attribute):
2549 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2551 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2553 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2554 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2555 c_parser_binary_expression, c_parser_cast_expression,
2556 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2557 Call default_function_array_read_conversion instead of
2558 default_function_array_conversion where needed.
2559 (c_parser_unary_expression, c_parser_conditional_expression,
2560 c_parser_postfix_expression_after_primary, c_parser_initelt):
2561 Likewise. Call mark_exp_read where needed.
2562 (c_parser_statement_after_labels, c_parser_asm_operands,
2563 c_parser_typeof_specifier, c_parser_sizeof_expression,
2564 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2566 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2568 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2569 (warn_unused_but_set_parameter): Default to warn_unused
2571 * doc/invoke.texi: Document -Wunused-but-set-variable and
2572 -Wunused-but-set-parameter.
2574 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2575 used count variable.
2576 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2577 when operandN variables aren't used in the body of the expander
2579 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2580 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2581 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2582 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2583 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2584 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2585 * tree.c (PROCESS_ARG): Likewise.
2587 2010-04-07 Simon Baldwin <simonb@google.com>
2589 * diagnostic.h (diagnostic_override_option_index): New macro to
2590 set a diagnostic's option_index.
2591 * c-tree.h (c_cpp_error): Add warning reason argument.
2592 * opts.c (_warning_as_error_callback): New.
2593 (register_warning_as_error_callback): Store callback for
2594 warnings enabled via enable_warning_as_error.
2595 (enable_warning_as_error): Call callback, minor code tidy.
2596 * opts.h (register_warning_as_error_callback): Declare.
2597 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2598 response to -Werror=.
2599 (c_common_init_options): Register warning_as_error_callback in opts.c.
2600 * common.opt: Add -Wno-cpp option.
2601 * c-common.c (struct reason_option_codes_t): Map cpp warning
2602 reason codes to gcc option indexes.
2603 * (c_option_controlling_cpp_error): New function, lookup the gcc
2604 option index for a cpp warning reason code.
2605 * (c_cpp_error): Add warning reason argument, call
2606 c_option_controlling_cpp_error for diagnostic_override_option_index.
2607 * doc/invoke.texi: Document -Wno-cpp.
2609 2010-04-07 Richard Guenther <rguenther@suse.de>
2611 * ipa-reference.c (mark_load): Use get_base_address.
2612 (mark_store): Likewise.
2614 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2615 inserting GIMPLE_NOPs into the IL.
2616 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2617 Explicitly strip handled components and indirect references.
2619 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2620 folding address expressions.
2621 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2622 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2623 operand_equal_p to compare decls.
2624 (ptr_deref_may_alias_decl_p): Likewise.
2625 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2626 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2627 Handle reversed comparison ops.
2628 * tree-sra.c (asm_visit_addr): Use get_base_address.
2629 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2630 * ipa-reference.c (mark_address): Use get_base_address.
2632 2010-04-07 Richard Guenther <rguenther@suse.de>
2634 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2635 Propagate constants everywhere.
2637 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2640 * tree.c (MAX_INT_CACHED_PREC): Define.
2641 (nonstandard_integer_type_cache): New array.
2642 (build_nonstandard_integer_type): Cache results for precision
2643 <= MAX_INT_CACHED_PREC.
2645 2010-04-07 Richard Guenther <rguenther@suse.de>
2647 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2648 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2649 * common.opt: Likewise.
2650 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2651 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2652 (nonoverlapping_memrefs_p): Likewise.
2653 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2654 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2655 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2656 OPT_fargument_noalias_global for backward compatibility.
2658 2010-04-07 Richard Guenther <rguenther@suse.de>
2660 PR tree-optimization/43270
2661 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2662 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2663 * tree-ssa-pre.c (phi_translate_1): Adjust.
2664 (fully_constant_expression): Split out vn_reference handling to ...
2665 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2666 Fold reads from constant strings.
2667 (vn_reference_lookup): Handle fully constant references.
2668 (vn_reference_lookup_pieces): Likewise.
2669 * Makefile.in (expmed.o-warn): Add -Wno-error.
2671 2010-04-07 Martin Jambor <mjambor@suse.cz>
2673 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2675 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2678 * gcc.c: Add -static-libstdc++ to list of recognized options.
2680 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2682 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2684 2010-04-07 Richard Guenther <rguenther@suse.de>
2687 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2688 bases build simple mem attributes to retain points-to information.
2690 2010-04-07 Richard Guenther <rguenther@suse.de>
2693 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2694 preserve points-to related information.
2696 2010-04-07 Richard Guenther <rguenther@suse.de>
2699 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2700 discard plain indirect references.
2701 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2702 * tree.c (tree_nop_conversion): Likewise.
2704 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2707 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2709 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2711 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2712 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2714 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2716 * tree-if-conv.c: Fix indentation and comments.
2718 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2720 * tree-if-conv.c: Sort static functions in topological order.
2722 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2724 * tree-if-conv.c: Fix indentation and comments.
2726 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2729 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2730 lang_hooks.types.type_for_size instead of
2731 build_nonstandard_integer_type.
2732 When converting an unsigned type to signed, double its precision.
2733 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2734 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2735 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2738 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2741 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2742 POINTER_PLUS_EXPR for pointer types.
2744 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2747 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2748 * graphite-clast-to-gimple.c: Include langhooks.h.
2749 (max_signed_precision_type): New.
2750 (max_precision_type): Takes two types as arguments.
2751 (precision_for_value): New.
2752 (precision_for_interval): New.
2753 (gcc_type_for_interval): New.
2754 (gcc_type_for_value): New.
2755 (gcc_type_for_clast_term): New.
2756 (gcc_type_for_clast_red): New.
2757 (gcc_type_for_clast_bin): New.
2758 (gcc_type_for_clast_expr): Split up into several functions.
2759 (gcc_type_for_clast_eq): Rewritten.
2760 (compute_bounds_for_level): New.
2761 (compute_type_for_level_1): New.
2762 (compute_type_for_level): New.
2763 (gcc_type_for_cloog_iv): Removed.
2764 (gcc_type_for_iv_of_clast_loop): Rewritten.
2765 (graphite_create_new_loop): Compute the lower and upper bound types
2766 with gcc_type_for_clast_expr.
2767 (graphite_create_new_loop_guard): Same.
2768 (find_cloog_iv_in_expr): Removed.
2769 (compute_cloog_iv_types_1): Removed.
2770 (compute_cloog_iv_types): Removed.
2771 (gloog): Do not call compute_cloog_iv_types.
2772 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2774 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2775 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2776 (GBB_CLOOG_IV_TYPES): Removed.
2778 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2780 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2781 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2782 (detect_commutative_reduction): Same.
2784 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2786 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2787 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2789 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2790 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2791 (rewrite_commutative_reductions_out_of_ssa): Same.
2792 * passes.c (execute_function_todo): Call verify_ssa for every pass
2793 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2794 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2795 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2796 with an extra argument.
2797 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2798 verify_ssa only when the extra argument is true.
2799 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2800 with an extra argument.
2801 (tree_transform_and_unroll_loop): Same.
2803 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2805 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2806 for all the passes of the LNO having LOOP_CLOSED_SSA.
2807 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2808 * tree-loop-distribution.c (pass_loop_distribution): Same.
2809 * tree-pass.h (TODO_verify_loops): Removed.
2810 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2812 (pass_tree_unswitch): Same.
2813 (pass_predcom): Same.
2814 (pass_vectorize): Same.
2815 (pass_linear_transform): Same.
2816 (pass_graphite_transforms): Same.
2817 (pass_iv_canon): Same.
2818 (pass_complete_unroll): Same.
2819 (pass_complete_unrolli): Same.
2820 (pass_parallelize_loops): Same.
2821 (pass_loop_prefetch): Same.
2822 (pass_iv_optimize): Same.
2824 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2827 * passes.c (init_optimization_passes): Move pass_lim before
2828 pass_copy_prop and pass_dce_loop.
2830 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2833 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2834 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2835 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2836 MULTI_* defines for 4 argument vpermil2p* builtins.
2838 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2840 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2841 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2842 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2843 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2844 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2845 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2846 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2847 Use x86_maybe_negate_const_int to output insn mnemonic.
2848 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2849 check from instruction predicate. Update comments.
2850 * config/i386/sync.md (sync_add<mode>): Use
2851 x86_maybe_negate_const_int to output insn mnemonic.
2853 2010-04-06 Jan Hubicka <jh@suse.cz>
2855 PR tree-optimization/42906
2856 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2857 IGNORE_SELF argument. Set visited_control_parents for fully
2859 (find_obviously_necessary_stmts): Update call of
2860 mark_control_dependent_edges_necessary.
2861 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2863 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2865 * config/i386/i386.md: Remove comment about 'e' and 'E'
2868 2010-04-06 Richard Guenther <rguenther@suse.de>
2870 PR tree-optimization/43627
2871 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2872 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2875 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2877 * BASE-VER: Change to 4.6.0.
2880 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2883 2010-04-06 Richard Guenther <rguenther@suse.de>
2886 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2888 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2890 * doc/invoke.texi (Optimize Options): Document that LTO
2891 won't remove object access purely due to incompatible
2894 2010-04-04 Matthias Klose <doko@ubuntu.com>
2896 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2897 Initialize variable.
2899 2010-04-03 Richard Guenther <rguenther@suse.de>
2902 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2903 require a non-NULL MEM_OFFSET.
2905 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2907 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2908 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2909 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2910 config/alpha/predicates.md, config/arm/arm.md,
2911 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2912 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2913 config/darwin9.h, config/darwin.c, config/darwin.h,
2914 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2915 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2916 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2917 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2918 config/mips/mips.md, config/mn10300/mn10300.c,
2919 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2920 config/rs6000/aix.h, config/rs6000/dfp.md,
2921 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2922 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2923 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2924 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2925 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2926 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2927 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2928 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2929 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2930 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2931 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2932 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2933 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2934 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2935 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2936 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2937 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2938 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2939 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2940 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2941 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2942 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2943 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2944 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2945 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2946 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2947 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2948 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2949 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2950 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2951 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2952 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2953 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2954 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2955 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2956 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2958 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2961 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2962 * aclocal.m4: Regenerate.
2964 2010-04-02 Richard Guenther <rguenther@suse.de>
2966 PR tree-optimization/43629
2967 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2968 if we have seen a constant value.
2970 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2972 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2974 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2977 * arm.c (legitimize_tls_address): Adjust call to
2978 gen_tls_load_dot_plus_four.
2979 (arm_note_pic_base): New function.
2980 (arm_cannot_copy_insn_p): Use it.
2981 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2984 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2989 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2991 * Makefile.in ($(out_object_file)): Depend on
2992 gt-$(basename $(notdir $(out_file))).h.
2994 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2996 * config.gcc (lm32-*-rtems*): Add t-lm32.
2998 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3000 * config.gcc: Add lm32-*-rtems*.
3001 * config/lm32/rtems.h: New file.
3003 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3006 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3008 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3010 * dwarf2out.c (output_compilation_unit_header): For
3011 -gdwarf-4 use version 4 instead of version 3.
3012 (output_line_info): For version 4 and above emit additional
3013 maximum ops per insn header field.
3014 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3016 * dwarf2out.c (is_c_family, is_java): Remove.
3017 (lower_bound_default): New function.
3018 (add_bound_info, gen_descr_array_type_die): Use it.
3020 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3023 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3024 re-declaration when it happens in a function.
3026 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3028 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3029 (cgraph_remove_function_insertion_hook): Same.
3030 (cgraph_call_function_insertion_hooks): Same.
3032 2010-04-01 Richard Guenther <rguenther@suse.de>
3035 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3036 and TREE_THIS_VOLATILE.
3037 (copy_ref_info): Likewise.
3038 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3039 * tree.c (build6_stat): Ignore side-effects of all but arg5
3040 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3043 2010-04-01 Richard Guenther <rguenther@suse.de>
3045 PR tree-optimization/43607
3046 * ipa-type-escape.c (check_call): Do not access non-existing
3049 2010-04-01 Richard Guenther <rguenther@suse.de>
3053 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3054 Jack Howarth <howarth@bromo.med.uc.edu>
3056 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3059 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3061 * doc/install.texi (Prerequisites): Document libelf usability on
3062 IRIX 5/6 and Solaris 2.
3063 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3064 Update GNU as, GNU ld requirements.
3065 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3066 Document Sun Studio compiler download.
3067 Update and simplify as, ld recommendations.
3068 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3070 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3072 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3073 with_tune_32 to pentium4.
3075 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3077 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3079 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3081 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3082 obsoletion, removal.
3084 Document GNU as requirement.
3085 Update configure requirements.
3086 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3087 Recomment IRIX 6.5.18+.
3088 Document IDF/IDL requirement.
3089 Document GNU as requirement.
3090 Document GNU ld bootstrap failure.
3091 Remove freeware.sgi.com reference.
3093 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3095 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3096 UNIX V4.0, V5.0 obsoletion, removal.
3097 Remove --with-gc=simple reference.
3098 Update VM requirements during bootstrap.
3099 Remove -oldas bootstrap description.
3100 Update binutils reference.
3101 Remove comparison failure note.
3103 2010-03-31 Richard Guenther <rguenther@suse.de>
3104 Zdenek Dvorak <ook@ucw.cz>
3105 Sebastian Pop <sebastian.pop@amd.com>
3108 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3109 with multiple arguments.
3110 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3112 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3114 * graphite-dependences.c (print_pddr): Call print_pdr with an
3116 * graphite-poly.c (debug_pdr): Add an extra argument for the
3119 (print_pbb_domain): Same.
3121 (print_scop_context): Same.
3123 (print_cloog): Same.
3124 (debug_pbb_domain): Same.
3128 (debug_scop_context): Same.
3130 (debug_cloog): Same.
3131 (print_scop_params): Same.
3132 (debug_scop_params): Same.
3133 (print_iteration_domain): Same.
3134 (print_iteration_domains): Same.
3135 (debug_iteration_domain): Same.
3136 (debug_iteration_domains): Same.
3137 (print_scattering_function): Same.
3138 (print_scattering_functions): Same.
3139 (debug_scattering_function): Same.
3140 (debug_scattering_functions): Same.
3141 * graphite-poly.h (debug_pdr): Update declaration.
3143 (print_pbb_domain): Same.
3145 (print_scop_context): Same.
3147 (print_cloog): Same.
3148 (debug_pbb_domain): Same.
3152 (debug_scop_context): Same.
3154 (debug_cloog): Same.
3155 (print_scop_params): Same.
3156 (debug_scop_params): Same.
3157 (print_iteration_domain): Same.
3158 (print_iteration_domains): Same.
3159 (debug_iteration_domain): Same.
3160 (debug_iteration_domains): Same.
3161 (print_scattering_function): Same.
3162 (print_scattering_functions): Same.
3163 (debug_scattering_function): Same.
3164 (debug_scattering_functions): Same.
3166 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3168 * graphite-poly.c (print_scattering_function_1): New.
3169 (print_scattering_function): Call it.
3170 (print_scop_params): Remove spaces at the end of lines.
3173 * graphite-poly.h (print_cloog): Declared.
3174 (debug_cloog): Declared.
3176 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3178 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3180 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3181 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3182 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3183 to switch between adding the IV bump in loop->latch or in loop->header.
3185 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3187 * graphite-poly.c (print_scattering_function): Pretty print following
3190 (print_pbb_domain): Same.
3191 (dump_gbb_cases): Same.
3192 (dump_gbb_conditions): Same.
3195 (print_scop_params): Same.
3196 (print_scop_context): Same.
3198 (print_pbb_body): New.
3199 (lst_indent_to): New.
3200 (print_lst): Start new lines with a #.
3201 * graphite-poly.h (pbb_bb): New.
3202 (pbb_index): Use pbb_bb.
3203 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3205 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3207 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3209 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3210 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3211 and 0 instead of 1 for dw_val_class_flag.
3212 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3213 dw_val_class_range_list, dw_val_class_loc_list,
3214 dw_val_class_lineptr and dw_val_class_macptr, use
3215 DW_FORM_flag_present for dw_val_class_flag and
3216 DW_FORM_exprloc for dw_val_class_loc.
3217 (output_die): For -gdwarf-4 print dw_val_class_loc
3218 size as uleb128 instead of 1 or 2 bytes and don't print
3219 anything for dw_val_class_flag.
3221 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3222 instead of cselib_lookup following by tweaking locs->setting_insn.
3225 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3226 even before returning from label, setjmp call or volatile asm
3229 2010-03-31 Richard Guenther <rguenther@suse.de>
3232 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3233 temporary data on stack.
3235 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3237 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3238 (PUSHSECTION_ASM_OP): Remove.
3239 (POPSECTION_ASM_OP): Remove.
3240 (PUSHSECTION_FORMAT): Remove.
3241 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3242 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3243 * config/sol2.c (solaris_output_init_fini): Use it.
3245 2010-03-31 Jie Zhang <jie@codesourcery.com>
3248 * opt-functions.awk (var_type_struct): Use signed char type
3249 for simple variables.
3251 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3253 * config/sol2.c: Include output.h.
3254 (solaris_assemble_visibility): New function.
3255 * config/t-sol2 (sol2.o): Add output.h dependency.
3256 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3257 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3260 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3263 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3264 V2SImode or XFmode on PRE_DEC.
3267 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3270 2010-03-31 Jie Zhang <jie@codesourcery.com>
3273 * reload.h (caller_save_initialized_p): Declare.
3274 * toplev.c (backend_init_target): Don't call
3275 init_caller_save but set caller_save_initialized_p to false.
3276 * caller-save.c (caller_save_initialized_p): Define.
3277 (init_caller_save): Check caller_save_initialized_p.
3278 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3280 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3283 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3284 and soft-fp/t-softfp to tmake_file.
3285 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3286 (LIBGCC2_TF_CEXT): Define.
3289 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3292 * cselib.c (n_useless_values): Document handling of debug locs.
3293 (n_useless_debug_values, n_debug_values): New variables.
3294 (new_elt_loc_list): Don't add to debug values, keep count.
3295 (promote_debug_loc): New.
3296 (cselib_reset_table): Zero new variables.
3297 (entry_and_rtx_equal_p): Promote debug locs.
3298 (discard_useless_locs): Increment n_useless_debug_values for
3300 (remove_useless_values): Adjust n_useless_values and n_debug_values
3301 with n_useless_debug_values.
3302 (add_mem_for_addr): Promote debug locs.
3303 (cselib_lookup_mem): Likewise.
3304 (cselib_lookup_addr): Renamed to...
3305 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3306 (cselib_log_lookup): ... this. Turn into...
3307 (cselib_lookup_addr): ... new wrapper.
3308 (cselib_lookup_from_insn): New.
3309 (cselib_invalidate_regno): Increment n_useless_debug_values for
3311 (cselib_invalidate_mem): Likewise.
3312 (cselib_process_insn): Take n_deleted and n_debug_values into
3313 account to guard remove_useless_value call.
3314 (cselib_finish): Zero n_useless_debug_values.
3315 * cselib.h (cselib_lookup_from_insn): Declare.
3316 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3317 (sched_analyze_2): Likewise.
3319 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3321 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3323 (adjust_mems): Replace narrowing SUBREG of expression containing
3324 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3325 with operations in the narrower mode.
3328 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3329 regs_invalidated_by_call instead all call_used_reg_set registers.
3331 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3334 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3335 pointer comparisons with types_compatible_p.
3336 * tree-vect-stmts.c (vectorizable_call): Same.
3337 (vectorizable_condition): Same.
3339 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3341 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3342 stack check if the mask would be zero.
3344 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3345 Jack Howarth <howarth@bromo.med.uc.edu>
3347 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3350 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3353 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3355 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3356 Include ___unordxf2 and ___unordtf2.
3357 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3360 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3362 * config/lm32/t-lm32: New file.
3363 * config.gcc: Use the above file when targetting lm32.
3365 2010-03-28 Duncan Sands <baldrick@free.fr>
3367 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3369 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3372 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3373 Improve vectorization cost model diagnostic.
3375 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3378 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3379 compute_data_dependences_for_loop returns false, early exit
3380 and output an extra diagnostic for the failed data reference
3383 2010-03-29 Richard Guenther <rguenther@suse.de>
3385 PR tree-optimization/43560
3386 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3387 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3389 2010-03-29 Jie Zhang <jie@codesourcery.com>
3392 * toplev.c (process_options): Set optimization_default_node
3393 and optimization_current_node.
3394 * opts.c (decode_options): Don't set optimization_default_node
3395 and optimization_current_node.
3397 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3399 * config/rtems.h: Abandon -qrtems_debug.
3401 2010-03-28 Jan Hubicka <jh@suse.cz>
3403 PR tree-optimization/43505
3404 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3405 map should not be copied.
3407 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3410 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3411 cdtors, set DECL_PRESERVE_P.
3412 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3415 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3417 PR tree-optimization/43528
3418 * stor-layout.c (place_field): Check that constant fits into
3419 unsigned HWI when skipping calculation of MS bitfield layout.
3421 2010-03-27 Jan Hubicka <jh@suse.cz>
3424 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3425 notice_global_symbol work.
3427 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3429 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3430 instead of dwarf2out_decl.
3431 (struct var_loc_node): Remove section_label field.
3432 (dwarf2out_function_decl): New function.
3433 (dwarf2out_var_location): Don't set section_label field.
3434 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3436 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3438 PR tree-optimization/43544
3439 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3440 First argument for builtin vectorized function hook is now a
3441 tree to be able to distinguish between machine specific and
3443 * targhooks.c (default_builtin_vectorized_function): Ditto.
3444 * targhooks.h (default_builtin_vectorized_function): Ditto.
3445 * target.h (struct gcc_target): Ditto.
3446 * tree-vect-stmts.c (vectorizable_function): Ditto.
3447 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3448 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3451 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3454 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3455 nested binding iff it is a FUNCTION_DECL.
3456 (store_parm_decls_newstyle): Pass nested=true to bind for
3457 FUNCTION_DECLs amongst parameters.
3459 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3461 * var-tracking.c (vt_expand_loc_callback): Don't run
3462 cselib_expand_value_rtx_cb in dummy mode if
3463 cselib_dummy_expand_value_rtx_cb returned false.
3465 * var-tracking.c (emit_note_insn_var_location): For one part
3466 notes with offset 0, don't add EXPR_LIST around the location.
3467 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3468 add_location_or_const_value_attribute): Adjust for that change.
3471 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3472 into first operand and location into second.
3473 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3474 dw_cfi_oprnd_loc for DW_CFA_expression.
3475 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3476 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3477 assume first argument is regnum and second argument is location.
3479 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3482 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3483 of scratch register to DImode. Split to DImode comparison operator.
3484 Use SImode subreg of scratch register in the multiplication.
3485 (*cmp_sadd_sidi): Ditto.
3486 (*cmp_ssub_si): Ditto.
3487 (*cmp_ssub_sidi): Ditto.
3489 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3492 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3493 Remove invalid assert and wrong comment.
3495 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3498 * flags.h (final_insns_dump_p): New extern.
3499 * final.c (final_insns_dump_p): New variable.
3500 (rest_of_clean_state): Set it before -fdump-final-insns=
3501 dumping, clear afterwards.
3502 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3503 MEM_ALIAS_SET on MEMs.
3505 2010-03-26 David S. Miller <davem@davemloft.net>
3507 * configure.ac: Fix sparc GOTDATA_OP bug check.
3508 * configure: Rebuild.
3510 2010-03-26 Alan Modra <amodra@gmail.com>
3512 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3514 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3516 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3517 TLS_SECTION_ASM_FLAG.
3519 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3522 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3523 Clear first_function_block_is_cold.
3526 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3527 argument if the argument is truth_value_p.
3529 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3531 * config/rs6000/constraints.md: Update copyright year for my changes.
3534 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3535 used in reg+reg addressing, swap registers.
3537 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3540 * target.h (struct gcc_target): Add code_end hook.
3541 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3543 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3544 * toplev.c (compile_file): Call targetm.asm_out.code_end
3545 hook before unwind info/debug info output.
3546 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3547 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3548 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3549 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3550 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3551 * config/i386/i386.c (ix86_file_end): Renamed to...
3552 (ix86_code_end): ... this. Make static. Don't call
3553 file_end_indicate_exec_stack. Emit unwind info using
3554 final_start_function/final_end_function.
3555 (darwin_x86_file_end): Remove.
3556 (TARGET_ASM_CODE_END): Define.
3557 * config/i386/i386.h (TARGET_ASM_FILE_END,
3558 NEED_INDICATE_EXEC_STACK): Don't define.
3559 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3560 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3561 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3562 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3565 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3566 at the beginning and final_end_function at the end.
3567 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3569 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3571 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3572 and Sun as TLS syntax.
3573 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3574 * configure: Regenerate.
3575 * config.in: Regenerate.
3576 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3577 (default_elf_asm_named_section): Use it.
3578 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3579 (i386_output_dwarf_dtprel): Likewise.
3580 (output_addr_const_extra): Likewise.
3581 (output_pic_addr_const): Lowercase @GOTTPOFF.
3582 (output_addr_const_extra): Likewise.
3583 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3584 (output_addr_const_extra): Likewise.
3585 (output_pic_addr_const): Lowercase @INDNTPOFF.
3586 (output_addr_const_extra): Likewise.
3587 (output_pic_addr_const): Lowercase @NTPOFF.
3588 (output_addr_const_extra): Likewise.
3589 (output_pic_addr_const): Lowercase @TPOFF.
3590 (output_addr_const_extra): Likewise.
3591 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3592 (*tls_global_dynamic_64): Likewise.
3593 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3594 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3596 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3597 (ASM_OUTPUT_TLS_COMMON): Use it.
3598 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3601 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3602 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3603 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3604 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3605 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3606 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3608 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3610 * config/i386/i386.c (override_options): Don't accept
3611 -mtls-dialect=sun any longer.
3612 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3613 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3614 (*tls_local_dynamic_base_32_sun): Likewise.
3615 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3617 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3620 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3621 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3624 * ira.c (adjust_cleared_regs): New function.
3625 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3629 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3631 * expr.c (expand_expr_real): Restore previous
3632 curr_insn_source_location and curr_insn_block after
3633 expand_expr_real_1 call.
3634 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3635 instead of expand_expr_real_1.
3637 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3639 PR rtl-optimization/43413
3640 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3643 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3646 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3647 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3649 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3651 * config/i386/i386.c (ix86_target_string): Add -mfma.
3652 Fix a typo in comment.
3654 2010-03-22 Mike Stump <mikestump@comcast.net>
3657 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3658 Don't overly align based upon packed packed fields.
3660 2010-03-22 Jason Merrill <jason@redhat.com>
3662 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3663 Use () rather than [], and move before the element type.
3665 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3667 * doc/configfiles.texi (Configuration Files): Removed
3668 fixinc/Makefile*, intl/Makefile.*.
3669 * doc/makefile.texi: Fixed markup. Abstract from version
3670 control system used.
3671 (Makefile): Removed obsolete gcc/java/parse.y example.
3672 * doc/sourcebuild.texi: Likewise.
3673 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3674 libgomp, libssp. Removed fastjar.
3675 (Miscellaneous Docs): Clarify location.
3676 Added COPYING3, COPYING3.LIB.
3677 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3679 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3682 * config/i386/i386.c (x86_function_profiler)
3683 [!NO_PROFILE_COUNTERS]: Fix typo.
3684 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3687 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3688 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3690 * doc/sourcebuild.texi (Test Directives): Split into six
3691 subsections, with most of the current text in new subsections
3692 Directives, Selectors, and Final Actions.
3693 (Directives): Split list of test directives into multiple
3695 (Selectors): Describe use and syntax of selectors.
3696 (Effective-Target Keywords): Describe all existing keywords.
3697 (Add Options): Describe features for dg-add-options.
3698 (Require Support): Describe variants of dg-require-support.
3699 (Final Actions): Describe commands to use in dg-final.
3701 2010-03-22 Michael Matz <matz@suse.de>
3704 * recog.c (validate_replace_rtx_group): Replace also in
3705 REG_EQUAL and REG_EQUIV notes.
3707 2010-03-22 Richard Guenther <rguenther@suse.de>
3709 PR tree-optimization/43390
3710 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3711 sure vector extracts are type correct.
3713 2010-03-22 Richard Guenther <rguenther@suse.de>
3716 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3717 x * sqrt (x) even when optimizing for size if the target
3718 has native support for sqrt.
3720 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3722 * varasm.c (make_decl_rtl_for_debug): Also clear
3723 flag_mudflap for the duration of make_decl_rtl call.
3726 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3727 locs from preserved VALUEs.
3729 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3732 * pa.md (movmemsi): Set align to one if zero.
3733 (movmemdi): Likewise.
3735 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3738 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3739 with their corresponding prologue pushes.
3741 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3744 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3745 at the begining or end.
3746 (spu_expand_epilogue): Likewise.
3748 2010-03-20 Richard Guenther <rguenther@suse.de>
3750 PR rtl-optimization/43438
3751 * combine.c (make_extraction): Properly zero-/sign-extend an
3752 extraction of the low part of a CONST_INT. Also handle
3755 2010-03-19 Mike Stump <mikestump@comcast.net>
3757 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3758 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3759 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3761 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3764 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3767 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3769 PR rtl-optimization/42258
3770 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3771 use that may match DEF.
3774 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3775 the cost of loading the constant rather than assuming
3777 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3778 outer code is AND, do the same tests as the andsi3 expander and
3779 return COSTS_N_INSNS (1) if and is cheap.
3781 * optabs.c (avoid_expensive_constant): Fix formatting.
3783 2010-03-19 Michael Matz <matz@suse.de>
3786 * attribs.c (decl_attributes): When rebuilding a function pointer
3787 type use the same qualifiers as the original pointer type.
3789 2010-03-19 Martin Jambor <mjambor@suse.cz>
3791 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3792 and is_gimple_ip_invariant_address.
3794 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3797 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3799 * config/arm/arm.c (arm_override_options): Turn off
3800 flag_dwarf2_cfi_asm for AAPCS variants.
3802 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3805 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3806 Use PRE_MODIFY instead of PRE_DEC.
3807 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3808 (vfp_emit_fstmd): Likewise.
3810 2010-03-19 Michael Matz <matz@suse.de>
3813 * builtins.c (expand_builtin_interclass_mathfn,
3814 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3817 2010-03-19 Richard Guenther <rguenther@suse.de>
3819 PR tree-optimization/43415
3820 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3821 (phi_translate_1): ... this.
3822 (phi_translate): Move all caching here. Cache all NARY
3823 and REFERENCE translations.
3825 2010-03-19 David S. Miller <davem@davemloft.net>
3827 With help from Eric Botcazou.
3828 * config/sparc/sparc.c: Include dwarf2out.h.
3829 (emit_pic_helper): Delete.
3830 (pic_helper_symbol_name): Delete.
3831 (pic_helper_emitted_p): Delete.
3832 (pic_helper_needed): New.
3833 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3834 (get_pc_thunk_name): New.
3835 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3836 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3837 Set pic_helper_needed to true. Don't call emit_pic_helper.
3838 (sparc_expand_prologue): Update load_pic_register call.
3839 (sparc_output_mi_thunk): Likewise.
3840 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3841 thunk if possible. Output CFI information as needed.
3843 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3844 Jack Howarth <howarth@bromo.med.uc.edu>
3847 * config/i386/i386.h: Fix ABI on darwin x86-32.
3849 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3851 * tree.h: Declare make_decl_rtl_for_debug.
3852 * varasm.c (make_decl_rtl_for_debug): New.
3853 * dwarf2out.c (rtl_for_decl_location): Call it.
3854 * cfgexpand.c (expand_debug_expr): Call it.
3856 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3859 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3863 * var-tracking.c (vt_init_cfa_base): Do nothing if
3864 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3866 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3869 * var-tracking.c (canonicalize_vars_star): New.
3870 (dataflow_post_merge_adjust): Use it.
3872 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3875 * var-tracking.c (non_suitable_const): New function.
3876 (add_uses): For DEBUG_INSNs with constants, don't record any
3877 value, instead just the constant value itself.
3878 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3879 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3880 (emit_notes_in_bb): Likewise.
3881 (emit_note_insn_var_location): For onepart variables if
3882 cur_loc is a VOIDmode constant, use DECL_MODE.
3884 2010-03-18 Martin Jambor <mjambor@suse.cz>
3887 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3888 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3889 all non-clones. Moved call redirection...
3890 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3891 (cgraph_materialize_all_clones): Dispose of all
3892 combined_args_to_skip bitmaps.
3893 (verify_cgraph_node): Do not check for edges pointing to wrong
3894 nodes in inline clones.
3895 * tree-inline.c (copy_bb): Call
3896 cgraph_redirect_edge_call_stmt_to_callee.
3897 * ipa.c (cgraph_remove_unreachable_nodes): Call
3898 cgraph_node_remove_callees even when there are used clones.
3900 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3902 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3904 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3907 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3910 2010-03-18 Michael Matz <matz@suse.de>
3913 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3914 into sqrt(x) if we need to preserve signed zeros.
3916 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3917 Eric Botcazou <ebotcazou@adacore.com>
3919 PR rtl-optimization/43360
3920 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3921 note if we don't know its invariant status.
3923 2010-03-18 Michael Matz <matz@suse.de>
3925 PR tree-optimization/43402
3926 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3927 PHI chains of ssa names registered for update.
3929 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3932 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3933 non-offsettable and pre_modify update addressing.
3934 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3935 and "2" alternatives "#".
3936 (*movdd_softfloat32): Make all alternatives "#";
3937 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3938 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3939 (*movdf_softfloat32): Make all alternatives "#";
3940 (movdi): Use the new DIFD mode iterator to create a common splitter
3941 for movdi, movdf and movdd patterns.
3943 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3945 * common.opt (dumpdir): Remove redundant tab.
3947 2010-03-17 Martin Jambor <mjambor@suse.cz>
3949 PR tree-optimization/43347
3950 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3951 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3953 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3955 PR rtl-optimization/42216
3956 * regrename.c (create_new_chain): New function, broken out from...
3957 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3958 appending a use to an empty chain.
3959 (build_def_use): Remove previous changes that convert OP_INOUT to
3960 OP_OUT operands; instead detect the case where an OP_INOUT operand
3961 uses a previously untracked register and create an empty chain for it.
3963 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3965 * doc/extend.texi (Function Attributes): Rewrite unfinished
3966 sentence in ms_abi documentation.
3968 2010-03-17 Alan Modra <amodra@gmail.com>
3970 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3971 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3972 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3973 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3975 2010-03-16 Richard Henderson <rth@redhat.com>
3978 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3979 (lower_try_finally): Save and restore eh_seq around the expansion
3982 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3984 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3985 statements before splitting block.
3987 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3989 * doc/sourcebuild.texi (Testsuites): Fix markup.
3990 Use pathnames relative to gcc/testsuite.
3991 (Test Directives): Move description of how timeout is determined.
3992 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3993 (C Tests): Correct gcc.misc-tests directory.
3994 Framework tests now live in gcc.test-framework.
3996 2010-03-16 Richard Guenther <rguenther@suse.de>
3999 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4000 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4002 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4003 Alexandre Oliva <aoliva@redhat.com>
4005 PR tree-optimization/42917
4006 * lambda-code.c (remove_iv): Skip debug statements.
4007 (lambda_loopnest_to_gcc_loopnest): Likewise.
4008 (not_interesting_stmt): Debug statements are not interesting.
4010 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4014 * cselib.c (cselib_preserve_constants,
4015 cfa_base_preserved_val): New static variables.
4016 (preserve_only_constants): New function.
4017 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4018 clear its REG_VALUES. If cselib_preserve_constants, don't
4019 empty the whole hash table, but preserve there VALUEs with constants,
4020 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4021 (cselib_preserve_cfa_base_value): New function.
4022 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4023 (cselib_init): Change argument to int bitfield. Set
4024 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4026 (cselib_finish): Clear cselib_preserve_constants and
4027 cfa_base_preserved_val.
4028 * cselib.h (enum cselib_record_what): New enum.
4029 (cselib_init): Change argument to int.
4030 (cselib_preserve_cfa_base_value): New prototype.
4031 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4032 * dse.c (dse_step1): Likewise.
4033 * cfgcleanup.c (thread_jump): Likewise.
4034 * sched-deps.c (sched_analyze): Likewise.
4035 * gcse.c (local_cprop_pass): Likewise.
4036 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4037 If FN is non-NULL, call the callback always and whenever it returns
4038 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4039 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4040 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4041 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4042 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4043 * var-tracking.c: Include recog.h.
4044 (bb_stack_adjust_offset): Remove.
4045 (vt_stack_adjustments): Don't call it, instead just gather the
4046 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4047 (adjust_stack_reference): Remove.
4048 (compute_cfa_pointer): New function.
4049 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4050 (struct adjust_mem_data): New type.
4051 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4053 (get_address_mode): New function.
4054 (replace_expr_with_values): Use it.
4055 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4056 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4057 (adjust_sets): Remove.
4058 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4059 Use get_address_mode.
4060 (get_adjusted_src): Remove.
4061 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4062 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4063 (add_with_sets): Don't call adjust_sets.
4064 (fp_setter, vt_init_cfa_base): New functions.
4065 (vt_initialize): Change return type to bool. Move most of pool etc.
4066 initialization to the beginning of the function from end. Pass
4067 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4068 If !frame_pointer_needed, call vt_stack_adjustment before mos
4069 vector is filled, call vt_init_cfa_base if argp/framep has been
4070 eliminated to sp. If frame_pointer_needed and argp/framep has
4071 been eliminated to hard frame pointer, set
4072 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4073 encountering fp setter in the prologue. For MO_ADJUST, call
4074 log_op_type before pusing the op into mos vector, not afterwards.
4075 Call adjust_insn before cselib_process_insn/add_with_sets,
4076 call cancel_changes (0) afterwards.
4077 (variable_tracking_main_1): Adjust for vt_initialize calling
4078 vt_stack_adjustments and returning whether it succeeded or not.
4080 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4082 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4085 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4087 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4089 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4090 drap_reg has not been set.
4092 2010-03-15 Michael Matz <matz@suse.de>
4095 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4096 use it to expand block copies.
4097 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4098 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4099 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4101 2010-03-15 Richard Guenther <rguenther@suse.de>
4103 PR tree-optimization/43367
4104 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4107 2010-03-15 Richard Guenther <rguenther@suse.de>
4109 PR tree-optimization/43317
4110 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4112 2010-03-15 Martin Jambor <mjambor@suse.cz>
4114 PR tree-optimization/43141
4115 * tree-sra.c (create_abstract_origin): New function.
4116 (modify_function): Call create_abstract_origin.
4118 2010-03-15 Chris Demetriou <cgd@google.com>
4120 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4123 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4126 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4127 call insert_out_of_ssa_copy for default definitions.
4129 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4131 * graphite-clast-to-gimple.c (my_long_long): Defined.
4132 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4133 * graphite-sese-to-poly.c (my_long_long): Defined.
4134 (scop_ivs_can_be_represented): Use it.
4136 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4138 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4139 graphite-max-bbs-per-function, and loop-block-tile-size.
4140 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4142 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4144 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4146 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4147 forward declaration.
4148 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4149 (add_upper_bounds_from_estimated_nit): New.
4150 (build_loop_iteration_domains): Use it.
4152 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4154 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4156 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4159 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4160 should be an INTEGER_CST. Also handle CASE_CONVERT.
4162 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4164 * graphite.c (graphite_initialize): To bound the number of bbs per
4165 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4166 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4167 * doc/invoke.texi: Document it.
4169 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4171 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4172 * graphite-sese-to-poly.h (build_poly_scop): Same.
4174 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4176 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4177 the number of parameters in the scop. Use as an upper bound
4178 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4179 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4180 * doc/invoke.texi: Document it.
4182 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4184 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4185 * doc/c-tree.texi: Remove.
4186 * doc/generic.texi: Merge c-tree.texi here.
4187 * doc/gccint.texi (Trees): Remove menu entry.
4188 (c-tree.texi): Remove @include.
4189 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4190 * doc/languages.texi (Reading RTL): Ditto.
4192 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4195 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4197 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4200 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4201 code added to work around reload clobbering CONST insns.
4203 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4205 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4206 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4207 (cselib_preserve_only_values): Remove retain argument, don't
4208 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4209 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4210 * var-tracking.c (micro_operation): Move insn field before union.
4211 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4212 (struct variable_tracking_info_def): Remove n_mos field, change
4213 mos into a vector of micro_operations.
4214 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4215 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4216 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4217 changing into a vector.
4218 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4219 come before all other uops generated by add_stores.
4220 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4222 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4223 a vector. Run just one pass over the bbs instead of separate counting
4224 and computation phase.
4225 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4228 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4229 into *nonlocalized_list vector.
4230 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4231 even if origin is non-NULL.
4232 (gen_variable_die): Likewise.
4233 (process_scope_var): Don't change origin.
4234 (gen_decl_die): Likewise.
4235 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4236 before adding new edges instead of after it, fix moving over
4239 2010-03-11 David S. Miller <davem@davemloft.net>
4241 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4243 * configure: Rebuild.
4245 2010-03-11 Martin Jambor <mjambor@suse.cz>
4247 PR tree-optimization/43257
4248 * tree.c (assign_assembler_name_if_neeeded): New function.
4249 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4251 * tree.h (assign_assembler_name_if_neeeded): Declare.
4252 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4253 the function if needed.
4255 2010-03-11 Chris Demetriou <cgd@google.com>
4257 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4258 include/stdint-gcc.h, and include/stdint.h world-readable.
4260 2010-03-11 Richard Guenther <rguenther@suse.de>
4262 PR tree-optimization/43255
4263 * tree-vrp.c (process_assert_insertions_for): Do not insert
4264 asserts for trivial conditions.
4266 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4268 PR tree-optimization/43280
4269 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4270 generation. Move calculation of size out of the if branch.
4271 (find_bswap): Modify compare number generation.
4273 2010-03-11 Richard Guenther <rguenther@suse.de>
4276 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4277 (input_gimple_stmt): Fixup handled component types during
4278 operand read. Also fix up decls in ADDR_EXPRs.
4280 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4282 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4283 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4285 2010-03-10 Jan Hubicka <jh@suse.cz>
4288 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4289 * varasm.c (get_variable_section): Don't do that here...
4290 (make_decl_rtl): ... and here.
4291 (do_assemble_alias): Produce decl RTL.
4292 (assemble_alias): Likewise.
4294 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4297 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4298 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4300 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4301 (based_loc_descr): Only express drap or vdrap regno based expressions
4302 using DW_OP_fbreg when not optimizing.
4303 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4304 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4305 REG_CFA_SET_VDRAP note.
4307 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4309 PR tree-optimization/43236
4310 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4311 error in calculation of base address in reverse iteration case.
4312 (generate_builtin): Take number of latch executions if the statement
4315 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4318 * tree-eh.c: Include pointer-set.h.
4319 (lower_eh_dispatch): Filter out duplicate case labels and
4320 remove the unneeded edge when the label is unused. Return
4321 true when some edges are removed.
4322 (execute_lower_eh_dispatch): When any lowering resulted in
4323 removing an edge, also delete unreachable blocks.
4325 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4328 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4329 UNSPEC_MACHOPIC_OFFSET.
4331 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4334 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4335 (m68k_delegitimize_address): New function.
4337 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4340 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4343 * var-tracking.c (adjust_sets): New function.
4344 (count_with_sets, add_with_sets): Use it.
4345 (get_adjusted_src): New inline function.
4346 (add_stores): Use it.
4349 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4350 call cselib_dummy_expand_value_rtx_cb instead of
4351 cselib_expand_value_rtx_cb.
4354 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4355 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4356 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4357 and .cfi_endproc around the pic thunks.
4358 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4359 all queued unwind info register saves are saved before the call.
4360 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4361 considered as sp-=4 for unwind info and the pop as sp+=4 which
4362 also clobbers dest, but doesn't actually restore it.
4365 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4366 RTX_FRAME_RELATED_P.
4368 2010-03-09 Jie Zhang <jie@codesourcery.com>
4370 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4371 whitespaces in output template.
4373 2010-03-09 Jie Zhang <jie@codesourcery.com>
4375 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4378 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4380 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4381 builtins.exp in a separate job.
4383 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4385 * graphite-sese-to-poly.c (add_param_constraints): Use
4386 lower_bound_in_type and upper_bound_in_type.
4388 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4390 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4391 instead of unsigned_type_node.
4393 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4394 Reza Yazdani <reza.yazdani@amd.com>
4397 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4398 on pointer type parameters.
4400 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4404 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4405 handle conversions from pointer to integers.
4406 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4407 induction variable, to be able to work with code generated by CLooG.
4408 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4409 (build_poly_scop): Bail out if we cannot codegen a loop.
4411 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4413 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4414 code generation with gloog_error.
4416 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4418 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4419 Call fold_convert on all the returned values.
4420 (expand_scalar_variables_expr): Pass to
4421 expand_scalar_variables_ssa_name the type of the resulting expression.
4423 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4425 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4426 ppl_min_for_le_pointset.
4427 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4428 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4430 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4432 * graphite-dependences.c (map_into_dep_poly): Removed.
4433 (dependence_polyhedron_1): Use combine_context_id_scat.
4435 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4437 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4438 (struct poly_bb): Same.
4439 (combine_context_id_scat): New.
4441 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4444 * sese.c (name_defined_in_loop_p): Return false for default
4447 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4449 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4450 and clean up the logic.
4452 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4454 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4457 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4459 * var-tracking.c (remove_cselib_value_chains): Define only for
4461 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4462 delete_slot_part, emit_notes_for_differences_1): Don't call
4463 remove_cselib_value_chains here.
4464 (set_slot_part, emit_notes_for_differences_2): Don't call
4465 add_cselib_value_chains here.
4466 (preserved_values): New vector.
4467 (preserve_value): New function.
4468 (add_uses, add_stores, vt_add_function_parameters): Use it
4469 instead of cselib_preserve_value.
4470 (changed_values_stack): New vector.
4471 (check_changed_vars_0): New function.
4472 (check_changed_vars_1, check_changed_vars_2): Use it.
4473 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4474 changed_values_stack VALUEs.
4475 (vt_emit_notes): For all preserved_values call
4476 add_cselib_value_chains. If ENABLE_CHECKING call
4477 remove_cselib_value_chains before verifying value_chains is empty.
4478 Initialize and free changed_values_stack.
4479 (vt_initialize): Initialize preserved_values.
4480 (vt_finalize): Free preserved_values.
4482 2010-03-08 Richard Guenther <rguenther@suse.de>
4484 PR tree-optimization/43269
4485 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4488 2010-03-08 Martin Jambor <mjambor@suse.cz>
4490 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4491 (ipa_is_param_called): Removed.
4492 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4493 (ipa_print_node_params): Do not print the called flag.
4494 (ipa_write_node_info): Do not stream the called flag.
4495 (ipa_read_node_info): Likewise.
4497 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4500 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4501 * cselib.c (struct expand_value_data): Add dummy field.
4502 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4504 (cselib_dummy_expand_value_rtx_cb): New function.
4505 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4507 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4508 * var-tracking.c: Include pointer-set.h.
4509 (variable): Change n_var_parts to char from int. Add
4510 cur_loc_changed and in_changed_variables fields.
4511 (variable_canonicalize): Remove.
4512 (shared_var_p): New inline function.
4513 (unshare_variable): Maintain cur_loc_changed and
4514 in_changed_variables fields. If var was in changed_variables,
4515 replace it there with new_var. Just copy cur_loc instead of
4516 resetting it to something else.
4517 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4518 (dataflow_set_union): Don't call variable_canonicalize.
4519 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4520 of their DEBUG_EXPR_TREE_DECLs.
4521 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4522 and in_changed_variables and cur_loc_changed is false.
4523 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4524 and cur_loc_changed. Don't update cur_loc here.
4525 (variable_merge_over_src): Don't call variable_canonicalize.
4526 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4527 removing loc that is equal to cur_loc, clear cur_loc,
4528 set cur_loc_changed and ensure variable_was_changed is called.
4529 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4530 compare pointers in cur_loc check, if it is equal to loc,
4531 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4532 (variable_different_p): Remove compare_current_location argument,
4533 don't compare cur_loc.
4534 (dataflow_set_different_1): Adjust variable_different_p caller.
4535 (variable_was_changed): If dv had some var in changed_variables
4536 already, reset in_changed_variables flag for it and propagate
4537 cur_loc_changed over to the new variable. On empty var
4538 always set cur_loc_changed. Set in_changed_variables on whatever
4539 var is added to changed_variables.
4540 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4541 Use shared_var_p. When removing loc that is equal to cur_loc,
4542 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4543 end, don't set it to something else, just call variable_was_changed.
4544 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4545 loc being removed, clear cur_loc and set cur_loc_changed.
4546 Set cur_loc_changed if all locations have been removed.
4547 (struct expand_loc_callback_data): New type.
4548 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4549 allocated. Always create SUBREGs if simplify_subreg failed.
4550 Prefer to use cur_loc, when that fails and still in
4551 changed_variables (and seen first time) recompute it. Set
4552 cur_loc_changed of variables which had to change cur_loc and
4553 compute elcd->cur_loc_changed if any of the subexpressions used
4554 had to change cur_loc.
4555 (vt_expand_loc): Adjust to pass arguments in
4556 expand_loc_callback_data structure.
4557 (vt_expand_loc_dummy): New function.
4558 (emitted_notes): New variable.
4559 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4560 that weren't used for any other decl in current
4561 emit_notes_for_changes call call vt_expand_loc_dummy to update
4562 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4563 first loc_chain location if NULL before. Always use just
4564 cur_loc instead of first loc_chain location. When cur_loc_changed
4565 is false, when not --enable-checking=rtl just don't emit any note.
4566 When rtl checking, compute the note and assert it is the same
4567 as previous note. Clear cur_loc_changed and in_changed_variables
4568 at the end before removing from changed_variables.
4569 (check_changed_vars_3): New function.
4570 (emit_notes_for_changes): Traverse changed_vars to call
4571 check_changed_vars_3 on each changed var.
4572 (emit_notes_for_differences_1): Clear cur_loc_changed and
4573 in_changed_variables. Recompute cur_loc of new_var.
4574 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4575 (vt_emit_notes): Initialize and destroy emitted_notes.
4577 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4579 PR rtl-optimization/42220
4580 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4581 Use verify_reg_tracked to determine if we should use OP_OUT rather
4583 (build_def_use): If we see an in-out operand for a register that we
4584 know nothing about, treat is an output if possible, fail the block if
4587 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4590 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4593 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4596 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4597 uses of relevant DEFs that are dead outside the loop too.
4599 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4601 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4603 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4605 * var-tracking.c (values_to_unmark): New variable.
4606 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4607 values_to_unmark vector. Moved body to...
4608 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4609 instead queue it into values_to_unmark vector.
4610 (vt_find_locations): Free values_to_unmark vector.
4612 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4614 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4615 (site.exp): Export them when plugins are enabled.
4617 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4620 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4622 (chrec_fold_multiply): Same.
4624 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4627 * c-decl.c (build_compound_literal): Return early if init is
4630 2010-03-04 Martin Jambor <mjambor@suse.cz>
4632 PR tree-optimization/43164
4633 PR tree-optimization/43191
4634 * tree-sra.c (type_consists_of_records_p): Reject records with
4635 zero-size bit-fields at the end.
4637 2010-03-04 Mike Stump <mikestump@comcast.net>
4639 * Makefile.in (TAGS): Remove *.y.
4641 2010-03-04 Richard Guenther <rguenther@suse.de>
4643 PR tree-optimization/40761
4644 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4646 (my_rev_post_order_compute): New function.
4647 (init_pre): Call it.
4649 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4652 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4653 decrease the cost of an IV candidate when the cost is infinite.
4655 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4657 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4658 Use '3DNow!' for the extension of that name, ensure normal space
4660 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4662 2010-03-03 Jeff Law <law@redhat.com>
4664 * PR middle-end/32693
4665 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4666 than gen_rtx_SUBREG.
4667 (extract_bit_field_1): Likewise.
4669 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4671 * doc/sourcebuild.texi (Test directives): Document that arguments
4672 include-opts and exclude-opts are now optional for dg-skip-if,
4673 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4675 2010-03-03 Jason Merrill <jason@redhat.com>
4678 * cgraph.h (varpool_node): Add extra_name field.
4679 * varpool.c (varpool_extra_name_alias): New.
4680 (varpool_assemble_decl): Emit extra name aliases.
4681 (varpool_mark_needed_node): Look past an extra name alias.
4682 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4683 * lto-streamer-in.c (lto_input_tree): Read it.
4684 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4686 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4688 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4689 (sparc*-*-solaris2*): ...this.
4691 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4694 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4695 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4696 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4697 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4700 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4701 fallthrough to default handling, just with want_address 0 instead of 2.
4702 For single element lists, add_AT_loc directly, otherwise create an
4703 artificial variable DIE and stick location list to it.
4706 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4707 (VAL_EXPR_HAS_REVERSE): Define.
4708 (reverse_op): New function.
4709 (add_stores): For reversible operations add an extra MO_VAL_USE.
4711 2010-03-02 Jason Merrill <jason@redhat.com>
4713 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4715 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4717 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4718 (sparc64-*-linux*): Likewise.
4719 (sparc64-*-solaris2*): Include assembler files before linker ones.
4720 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4721 * config/sparc/gas.h: Delete.
4722 * config/sparc/sol2-64.h: Add copyright notice.
4723 * config/sparc/sol2-gas-bi.h: Likewise.
4724 * config/sparc/sol2-gld.h: Likewise.
4725 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4726 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4727 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4728 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4729 (sparc_elf_asm_named_section): Rename into...
4730 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4732 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4734 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4736 2010-03-02 Jeff Law <law@redhat.com>
4739 * reload1.c (rtx_p, substitute_stack): Declare.
4740 (substitute): Record addresses of changed rtxs.
4741 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4742 Restore the original rtx when complete.
4743 (reload): Free subsitute_stack when complete.
4745 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4747 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4748 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4750 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4751 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4752 Torture Tests): Change from subsection to section.
4754 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4755 Steven Bosscher <steven@gcc.gnu.org>
4757 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4760 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4763 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4764 the assignment from the new induction variable to the assignment
4765 of the value from the original loop PHI function.
4767 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4768 Daniel Jacobowitz <dan@codesourcery.com>
4770 * doc/sourcebuild.texi (Test directives): Clarify options to
4773 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4775 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4776 Disable cfi directives unless GCC and gas agree on using read-only
4777 .eh_frame sections for 64-bit.
4778 * configure: Regenerate.
4780 2010-03-01 Richard Guenther <rguenther@suse.de>
4782 PR tree-optimization/43220
4783 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4784 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4786 2010-03-01 Richard Guenther <rguenther@suse.de>
4787 Martin Jambor <mjambor@suse.cz>
4790 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4791 gimplified parameters.
4793 2010-03-01 Christian Bruel <christian.bruel@st.com>
4795 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4797 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4799 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4801 2010-03-01 Richard Guenther <rguenther@suse.de>
4804 * expr.c (expand_assignment): Use the alias-oracle to tell
4805 if the rhs aliases the result decl.
4807 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4810 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4811 to sol_gt_pch_get_address.
4812 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4813 64-bit, SPARC and x86.
4814 (sol_gt_pch_get_address): New function.
4816 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4818 * toplev.h (inform_n, error_n): Declare.
4819 * diagnostic.c (inform_n, error_n): New function.
4821 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4823 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4824 has no rtl yet when processing local_decls, queue it and recheck
4825 if deferred stack allocation hasn't assigned it rtl.
4827 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4829 * config/sh/sh.c (unspec_bbr_uid): New.
4830 (gen_block_redirect): Use it instead of INSN_UID.
4831 (gen_far_branch): Likewise.
4833 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4835 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4836 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4838 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4840 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4841 (Warning Options): -Wno-conversion-null is valid for
4842 Objective-C++ as well.
4843 * doc/tm.texi (Named Address Spaces): Likewise.
4844 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4845 * doc/tree-ssa.texi (Tree SSA): Likewise.
4847 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4850 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4851 by default. Don't set the default arch for
4852 i[34567]86-*-darwin*|x86_64-*-darwin*.
4854 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4857 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4858 default. Set the default 32bit/64bit archs with $with_arch
4859 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4861 2010-02-27 Richard Guenther <rguenther@suse.de>
4863 PR tree-optimization/43186
4864 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4865 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4866 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4867 unroller iterations.
4869 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4871 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4872 required and i[34567]86-*-* targets don't support 64bit ISA.
4874 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4877 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4880 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4882 * config.gcc: Set the default arch at least to Prescott for
4883 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4884 if SSE math is enabled.
4886 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4888 * diagnostic.c (diagnostic_initialize): Update.
4889 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4891 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4892 (diagnostic_inhibit_notes): New.
4893 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4895 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4898 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4899 * doc/standards.texi: Likewise.
4900 * doc/extend.texi: Likewise.
4901 * doc/trouble.texi: Likewise.
4902 * doc/cppopts.texi: Likewise.
4903 * doc/install.texi: Likewise.
4904 * c.opt (std=c90,std=gnu90): New options.
4905 * c-opts.c (c_common_handle_option): Handle them.
4907 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4910 * c-decl.c (undeclared_variable): Use an informative note.
4912 2010-02-26 Richard Guenther <rguenther@suse.de>
4914 PR tree-optimization/43186
4915 * gimple.h (gimple_fold): Remove.
4916 * gimple.c (gimple_fold): Remove. Inline into single user ...
4917 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4918 Try harder for conditions.
4920 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4923 * function.c (used_types_insert): Don't skip through named pointer
4924 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4925 and it is different from the main variant's type.
4927 2010-02-26 Nick Clifton <nickc@redhat.com>
4929 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4931 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4933 * config.gcc: Support --with-fpmath=sse for x86.
4935 * config/i386/ssemath.h: New.
4937 * doc/install.texi (--with-fpmath=sse): Documented.
4939 2010-02-26 Richard Guenther <rguenther@suse.de>
4941 PR tree-optimization/43188
4942 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4943 vector types of over-aligned element type.
4945 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4948 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4949 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4951 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4953 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4955 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4957 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4958 * var-tracking.c: Include diagnostic.h.
4959 (debug_dv): New function.
4960 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4963 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4964 (add_value_chain, add_value_chains, remove_value_chain,
4965 remove_value_chains): Handle DEBUG_EXPRs.
4966 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4969 * regcprop.c (struct queued_debug_insn_change): New type.
4970 (struct value_data_entry): Add debug_insn_changes field.
4971 (struct value_data): Add n_debug_insn_changes field.
4972 (debug_insn_changes_pool): New variable.
4973 (free_debug_insn_changes, apply_debug_insn_changes,
4974 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4975 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4976 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4978 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4980 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4981 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4982 changes, call cprop_find_used_regs via note_stores.
4983 (copyprop_hardreg_forward): When copying vd from predecessor
4984 which has any queued DEBUG_INSN changes, make sure the pointers are
4985 cleared. At the end call df_analyze and then if there are any
4986 DEBUG_INSN changes queued at the end of some basic block for still
4987 live registers, apply them.
4988 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4990 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4992 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4995 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4997 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4998 targets. Set the default with_cpu/with_arch from arch/cpu.
4999 Allow x86-64 and native for with_cpu/with_arch.
5001 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5003 * ebitmap.c: Change calls to verify_popcount with calls to
5004 sbitmap_verify_popcount.
5005 (ebitmap_clear_bit): Fixed map->cacheindex test and
5006 map>cache update when bit clearing results in an empty
5009 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5012 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5013 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5014 and support both V2DF and V2DI modes.
5015 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5016 support both V2DF and V2DI modes.
5017 (general): Delete trailing whitespace from a few patterns.
5019 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5020 V2DF/V2DI interleave high/low builtins.
5022 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5025 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5026 interleave high/low functions.
5028 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5030 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5031 #pragma extern_prefix.
5033 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5036 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5037 BLKmode, assert op0 is a MEM and just adjust its mode.
5040 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5041 if bitpos isn't multiple of mode's bitsize.
5043 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5045 * c.opt (-ftemplate-depth=): New.
5046 (-ftemplate-depth-): Deprecate.
5047 * optc-gen.awk: Handle -ftemplate-depth=.
5048 * opth-gen.awk: Likewise.
5049 * c-opts.c (c_common_handle_option): Likewise.
5050 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5052 2010-02-24 Jason Merrill <jason@redhat.com>
5054 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5056 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5058 * cfg.c (alloc_aux_for_block): Remove inline.
5059 (alloc_aux_for_edge): Likewise.
5061 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5063 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5065 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5067 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5068 * config/i386/sol2-gas.h: New file.
5069 * config.gcc (i[34567]86-*-solaris2*): Use it.
5071 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5074 * c-typeck.c (ep_convert_and_check): New.
5075 (build_conditional_expr): Use it.
5076 (build_binary_op): Likewise.
5078 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5080 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5083 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5084 bounds even for -O+.
5085 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5086 expr needs to have DECL_NAME set.
5088 2010-02-24 Nick Clifton <nickc@redhat.com>
5090 * config/mep/mep.c: Include gimple.h.
5091 (mep_function_uses_sp): Delete unused function.
5092 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5093 parameters. Use unsigned integers to count args. Return a
5094 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5096 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5099 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5100 greater or equal to nelt instead of 2 * nelt.
5101 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5104 2010-02-23 Jason Merrill <jason@redhat.com>
5107 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5108 in cfun->local_decls even if they have register types.
5111 * stor-layout.c (place_field): Don't warn about unnecessary
5112 DECL_PACKED if the type is packed.
5114 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5117 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5118 GOTOFF relocs, even when the base reg isn't pic pointer.
5120 2010-02-23 Michael Matz <matz@suse.de>
5123 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5124 (expand_gimple_basic_block): Generate and use debug temps if there
5125 are debug uses left after the last real use of TERed ssa names.
5126 Unlink debug immediate uses when they are expanded.
5128 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5131 * config/i386/i386.c (override_options): Reorganise to provide
5132 better error messages.
5134 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5137 * graphite-scop-detection.c (create_single_exit_edge): Move
5138 the call to find_single_exit_edge to....
5139 (create_sese_edges): ...here. Don't handle multiple edges
5140 exiting the function.
5141 (build_graphite_scops): Don't handle multiple edges
5142 exiting the function.
5144 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5147 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5148 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5150 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5153 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5155 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5158 * c-typeck.c (convert_arguments): Print declaration location.
5159 * c-common.c (validate_nargs): Rename as
5160 builtin_function_validate_nargs.
5161 (check_builtin_function_arguments): Update.
5163 2010-02-22 Richard Guenther <rguenther@suse.de>
5166 * tree-inline.c (declare_return_variable): Use the type of
5167 the call stmt lhs if available.
5169 2010-02-22 Duncan Sands <baldrick@free.fr>
5171 * passes.c (register_pass): Always consider all pass lists when
5172 ref_pass_instance_number is zero.
5174 2010-02-22 Richard Guenther <rguenther@suse.de>
5176 PR tree-optimization/42749
5177 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5178 parameter. Do arithmetic in the original type.
5179 (update_accumulator_with_ops): Likewise.
5180 (adjust_accumulator_values): Adjust.
5182 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5184 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5185 (QI to BLKmode splitter): New splitter.
5187 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5189 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5190 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5192 2010-02-22 Richard Guenther <rguenther@suse.de>
5194 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5196 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5198 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5199 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5200 ($(T)crti.o, $(T)crtn.o): Remove rules.
5202 2010-02-21 Tobias Burnus <burnus@net-b.de>
5205 * doc/invoke.texi (-fassociative-math): Document that this
5206 option is automatically enabled for Fortran.
5208 2010-02-20 David S. Miller <davem@davemloft.net>
5210 * configure.ac: Test if linker and assembler properly support
5211 GOTDATA_OP relocations.
5212 * configure: Rebuild.
5213 * config.in: Likewise.
5214 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5215 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5216 (movsi_high_pic): Likewise.
5217 (movdi_lo_sum_pic): Likewise.
5218 (movdi_high_pic): Likewise.
5219 (movsi_pic_gotdata_op): New pattern.
5220 (movdi_pic_gotdata_op): Likewise.
5221 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5222 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5224 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5227 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5228 attribute to ssemul.
5229 (xop_mulv2div2di3_high): Ditto.
5231 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5234 * c.opt (Wconversion-null): New option.
5235 * doc/invoke.texi (Wconversion-null): Document.
5237 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5239 * common.opt (Wlarger-than-): Add Undocumented.
5241 2010-02-19 Mike Stump <mikestump@comcast.net>
5243 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5245 2010-02-19 Jason Merrill <jason@redhat.com>
5248 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5249 * configure: Likewise.
5251 2010-02-20 Alan Modra <amodra@gmail.com>
5254 * cgraph.h (cgraph_make_decl_local): Declare.
5255 * cgraph.c (cgraph_make_decl_local): New function.
5256 (cgraph_make_node_local): Use it.
5257 * cgraphunit.c (cgraph_function_versioning): Likewise.
5258 * ipa.c (function_and_variable_visibility): Likewise.
5260 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5263 * except.c (sjlj_emit_function_enter): Don't call
5264 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5266 * rtl.h (add_reg_br_prob_note): Remove prototype.
5268 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5271 * c-common.c (conversion_warning): Remove widening conversions
5272 before checking the conversion of integers to reals.
5274 2010-02-19 Mike Stump <mikestump@comcast.net>
5277 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5280 * cgraphunit.c (process_function_and_variable_attributes): Check
5281 DECL_PRESERVE_P instead of looking up attribute "used".
5282 * ipa-pure-const.c (check_decl): Likewise.
5283 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5284 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5285 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5286 instead of attribute "used".
5287 * config/sol2-c.c (solaris_pragma_init): Likewise.
5288 (solaris_pragma_fini): Likewise.
5290 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5292 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5293 Use XCNEW instead of xcalloc.
5294 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5295 XNEW instead of xmalloc.
5296 (get_fields): Use XNEWVEC instead of xmalloc.
5299 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5300 populate vars array.
5301 (create_new_general_access): For debug stmts just reset value.
5302 (get_stmt_accesses): For accesses within debug stmts just record them
5303 using add_access_to_acc_sites instead of preventing the peeling or
5304 counting them as accesses.
5307 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5309 2010-02-19 Richard Guenther <rguenther@suse.de>
5311 PR tree-optimization/42916
5312 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5315 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5317 * configure.ac: Replace all uses of changequote in macro arguments
5318 with proper quoting.
5320 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5323 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5325 2010-02-19 Richard Guenther <rguenther@suse.de>
5327 PR tree-optimization/42944
5328 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5329 test for aliasing with errno.
5331 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5334 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5335 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5336 * dojump.c: Include output.h.
5337 (inv): New inline function.
5338 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5339 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5340 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5341 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5342 argument, pass it down to other calls.
5343 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5344 add REG_BR_PROB note to the conditional jump.
5345 * cfgexpand.c (add_reg_br_prob_note): Removed.
5346 (expand_gimple_cond): Don't call it, add the probability
5347 as last argument to jumpif_1/jumpifnot_1.
5348 * Makefile.in (dojump.o): Depend on output.h.
5349 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5351 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5352 * stmt.c (do_jump_if_equal): Likewise.
5353 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5354 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5355 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5357 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5358 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5359 jumpifnot_1 callers.
5360 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5362 (store_expr): Adjust jumpifnot caller.
5363 (store_constructor): Adjust jumpif caller.
5366 * gimplify.c (gimple_boolify): For __builtin_expect call
5367 gimple_boolify also on its first argument.
5369 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5371 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5373 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5374 * configure: Regenerated.
5376 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5378 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5379 lang_hooks.types_compatible_p instead of comptypes.
5381 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5383 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5384 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5385 if __prefer_thumb__ is defined.
5387 2010-02-18 Martin Jambor <mjambor@suse.cz>
5389 PR tree-optimization/43066
5390 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5391 array with zero-sized element type.
5393 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5395 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5396 rtx, allocate struct var_loc_node here and return it to the
5397 caller, and only if it is actually needed.
5398 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5399 move it earlier and return immediately if it returns NULL.
5401 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5403 * config/sparc/gas.h: New file. Restore
5404 TARGET_ASM_NAMED_SECTION to its ELF default.
5405 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5407 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5408 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5409 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5410 after sparc/sysv4.h.
5412 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5414 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5416 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5418 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5419 patterns from predicated pattern.
5421 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5424 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5425 for insn mnemonic suffix.
5427 2010-02-17 Richard Guenther <rguenther@suse.de>
5429 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5432 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5435 * caller-save.c (save_call_clobbered_regs): If BB ends with
5436 a DEBUG_INSN, move any notes in between last real insn and the last
5437 DEBUG_INSN after the last DEBUG_INSN.
5439 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5441 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5442 Fix return type. Fix argument type. Explain meaning of return value.
5444 2010-02-16 Richard Guenther <rguenther@suse.de>
5446 PR tree-optimization/41043
5447 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5448 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5450 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5452 2010-02-16 Ira Rosen <irar@il.ibm.com>
5454 PR tree-optimization/43074
5455 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5456 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5457 vectorizable cycles in hybrid SLP check.
5458 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5460 2010-02-16 Richard Guenther <rguenther@suse.de>
5462 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5463 (true_dependence): If memrefs_conflict_p computes must-alias
5464 trust it. Move TBAA check after offset-based disambiguation.
5465 (canon_true_dependence): Likewise.
5467 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5469 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5470 * doc/invoke.texi: Document it.
5471 * var-tracking.c: Include toplev.h and params.h.
5472 (vt_find_locations): Return bool indicating success. Compute
5473 hash sizes unconditionally. Check new parameter, report.
5474 (variable_tracking_main_1): Check vt_find_locations results and
5475 retry. Renamed from...
5476 (variable_tracking_main): ... this. New wrapper to preserve
5477 flag_var_tracking_assignments.
5478 * Makefile.in (var-tracking.o): Adjust dependencies.
5480 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5481 Jakub Jelinek <jakub@redhat.com>
5484 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5485 if weak_import attribute is present.
5486 * config/darwin.c (machopic_select_section): Likewise.
5488 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5490 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5491 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5492 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5493 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5495 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5498 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5501 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5502 Rewrite text to refer to the names.
5504 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5506 * config/i386/i386-builtin-types.def
5507 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5508 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5509 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5510 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5511 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5512 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5513 IX86_BUILTIN_VPERMIL2PS256.
5514 (MULTI_ARG_4_DF2_DI_I): Defined.
5515 (MULTI_ARG_4_DF2_DI_I1): Defined.
5516 (MULTI_ARG_4_SF2_SI_I): Defined.
5517 (MULTI_ARG_4_SF2_SI_I1): Defined.
5518 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5519 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5520 __builtin_ia32_vpermil2ps256.
5521 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5522 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5523 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5524 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5525 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5526 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5527 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5528 CODE_FOR_xop_vpermil2v8sf3.
5529 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5530 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5531 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5532 (_mm256_permute2_pd): New.
5533 (_mm_permute2_ps): New.
5534 (_mm256_permute2_ps): New.
5536 2010-02-15 Nick Clifton <nickc@redhat.com>
5538 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5539 boolean parameters. Use emit_jump_insn when emitting a pop
5540 instruction containing a return insn.
5541 (push): Use 'true' rather than '1' as second parameter to F.
5542 (h8300_expand_prologue): Likewise.
5543 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5544 (h8300_expand_epilogue): Likewise.
5546 2010-02-15 Richard Guenther <rguenther@suse.de>
5549 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5552 2010-02-15 Nick Clifton <nickc@redhat.com>
5554 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5557 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5559 * intl.c (fake_ngettext): New function.
5560 * intl.h (fake_ngettext): Declare.
5561 (ngettext): Define macro.
5562 * collect2.c (notice_translated): New function.
5563 (main): Use notice_translated and ngettext.
5564 * collect2.h (notice_translated): Declare.
5566 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5568 * reorg.c (delete_computation): Comment fixes.
5569 * caller-save.c (setup_save_areas): Idem.
5570 * sel-sched-dump.c (dump_lv_set): Idem.
5573 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5575 * config/s390/s390.c (s390_sched_init): New function.
5576 (TARGET_SCHED_INIT): Target hook defined.
5578 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5579 Jack Howarth <howarth@bromo.med.uc.edu>
5580 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5583 Partial revert of unintended change in fix for PR41605.
5584 * config/darwin.h: Fix typo.
5585 * config/darwin9.h: Same.
5587 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5589 * c-pch.c (pch_init): Clear v.
5591 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5594 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5595 graphite_can_represent_init for MULT_EXPR.
5597 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5601 * graphite-sese-to-poly.c (remove_phi): New.
5602 (translate_scalar_reduction_to_array): Call remove_phi.
5604 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5607 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5608 * graphite-clast-to-gimple.h (gloog): Update declaration.
5609 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5610 * graphite-poly.h (struct poly_bb): Add missing comments.
5611 (struct scop): Add poly_scop_p field.
5613 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5614 * graphite.c (graphite_transform_loops): Build the polyhedral
5615 representation for each scop before code generation.
5616 * sese.c (rename_variables_in_operand): Removed.
5617 (rename_variables_in_expr): Return the renamed expression.
5618 (rename_sese_parameters): New.
5619 * sese.h (rename_sese_parameters): Declared.
5621 2010-02-11 Richard Guenther <rguenther@suse.de>
5623 PR tree-optimization/42998
5624 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5625 POINTER_PLUS_EXPR properly.
5627 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5628 Changpeng Fang <changpeng.fang@amd.com>
5631 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5632 the cost of an IV candidate when the IV is used in a test against zero.
5634 * gcc.dg/tree-ssa/ivopts-3.c: New.
5636 2010-02-11 Richard Guenther <rguenther@suse.de>
5639 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5640 pointer-vs-decl case by swapping refs. Handle some cases
5641 of pointer-vs-decl disambiguations more conservatively.
5642 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5643 to false after expanding.
5645 2010-02-11 Richard Guenther <rguenther@suse.de>
5648 * gcc.c (process_command): Handle LTO file@offset case more
5651 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5653 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5654 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5656 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5658 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5659 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5660 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5661 Optimize eq/ne comparisons when both arguments are known to be
5663 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5664 Don't mask operands unnecessarily if they are known to be already
5667 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5669 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5672 2010-02-10 Richard Guenther <rguenther@suse.de>
5674 PR tree-optimization/43017
5675 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5676 for wrapping signed arithmetic.
5678 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5681 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5682 if no debug info should be emitted for it.
5684 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5686 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5687 note when flag_exceptions is set.
5689 2010-02-10 Duncan Sands <baldrick@free.fr>
5691 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5693 2010-02-10 Richard Guenther <rguenther@suse.de>
5696 * tree.c (get_unwidened): Handle constants.
5697 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5699 2010-02-10 Martin Jambor <mjambor@suse.cz>
5702 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5703 check for variable argument counts independently.
5705 2010-02-10 Christian Bruel <christian.bruel@st.com>
5708 * config/sh/sh.c (find_barrier): Increase length for non delayed
5709 conditional branches.
5711 2010-02-10 Christian Bruel <christian.bruel@st.com>
5713 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5715 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5717 * builtins.c (set_builtin_user_assembler_name): Also handle
5718 ffs if int is smaller than word.
5720 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5723 * ira-conflicts.c (get_dup): Remove.
5724 (process_reg_shuffles): Add new parameter. Use it as an
5725 additional guard for copy generation.
5726 (add_insn_allocno_copies): Rewrite.
5728 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5730 * common.opt (fsched2-use-traces): Preserved for backward
5732 * doc/invoke.texi: Remove the documentation about option
5733 -fsched2-use-traces.
5734 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5735 flag_sched2_use_traces.
5736 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5737 the backward compatibility flag section.
5739 2010-02-09 Richard Guenther <rguenther@suse.de>
5741 PR tree-optimization/43008
5742 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5743 make HEAP variables initialized from global memory if they
5744 are not known builtin functions.
5745 (find_func_aliases): Adjust.
5747 2010-02-09 Richard Guenther <rguenther@suse.de>
5749 PR tree-optimization/43000
5750 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5751 arithmetic manually.
5753 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5755 PR tree-optimization/42931
5756 * tree-loop-linear.c (try_interchange_loops): Don't call
5757 double_int_mul if estimated_loop_iterations failed.
5759 2010-02-08 Martin Jambor <mjambor@suse.cz>
5762 * tree-sra.c (build_accesses_from_assign): Do not mark in
5763 should_scalarize_away_bitmap if stmt has volatile ops.
5764 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5767 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5769 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5771 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5773 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5776 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5779 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5781 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5784 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5785 to unknown_dependence.
5786 (graphite_legal_transform_dr): Handle the unknown_dependence.
5787 (graphite_carried_dependence_level_k): Same.
5789 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5791 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5793 2010-02-07 Richard Guenther <rguenther@suse.de>
5796 * expr.c (get_inner_reference): Always initialize *pbitsize.
5798 2010-02-07 Richard Guenther <rguenther@suse.de>
5801 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5802 new ARRAY_REFs on variable size element or minimal index arrays.
5804 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5805 gimple_fold_indirect_ref.
5807 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5810 * arm.c (arm_override_options): Just return if the user has specified
5811 an invalid fpu name.
5813 2010-02-03 Jason Merrill <jason@redhat.com>
5816 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5817 i386_pe_maybe_record_exported_symbol.
5819 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5822 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5823 (pa_delegitimize_address): New function.
5825 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5827 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5828 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5830 2010-02-05 Richard Guenther <rguenther@suse.de>
5833 * lto-streamer-in.c (get_resolution): Deal with references
5834 to undefined functions.
5836 2010-02-05 Richard Guenther <rguenther@suse.de>
5838 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5839 (fold_const_aggregate_ref): Likewise.
5840 (ccp_fold_stmt): Substitute loads.
5841 (maybe_fold_reference): Verify types before substituting.
5843 (fold_gimple_assign): Unshare properly.
5844 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5846 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5848 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5849 for rs6000_gen_cell_microcode.
5851 2010-02-04 Richard Guenther <rguenther@suse.de>
5853 PR rtl-optimization/42952
5854 * dse.c (const_or_frame_p): Remove MEM handling.
5856 2010-02-04 Nick Clifton <nickc@redhat.com>
5858 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5859 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5860 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5861 (mn10300_asm_output_mi_thunk): New function.
5862 (mn10300_can_output_mu_thunk): New function.
5863 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5864 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5865 (FUNCTION_ARG): Delete incorrect comment.
5867 2010-02-03 Jason Merrill <jason@redhat.com>
5870 * fold-const.c (operand_equal_p): Handle erroneous types.
5872 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5874 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5876 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5878 PR rtl-optimization/42941
5879 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5882 2010-02-03 Jason Merrill <jason@redhat.com>
5885 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5887 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5890 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5891 (cselib_reset_table): Renamed from...
5892 (cselib_reset_table_with_next_value): ... this.
5893 (cselib_get_next_uid): Renamed from...
5894 (cselib_get_next_unknown_value): ... this.
5895 * cselib.c (next_uid): Renamed from...
5896 (next_unknown_value): ... this.
5897 (cselib_clear_table): Adjust.
5898 (cselib_reset_table): Adjust. Renamed from...
5899 (cselib_reset_table_with_next_value): ... this.
5900 (cselib_get_next_uid): Adjust. Renamed from...
5901 (cselib_get_next_unknown_value): ... this.
5902 (get_value_hash): Use hash.
5903 (cselib_hash_rtx): Likewise.
5904 (new_cselib_val): Adjust. Set and dump uid.
5905 (cselib_lookup_mem): Pass next_uid as hash.
5906 (cselib_subst_to_values): Likewise.
5907 (cselib_log_lookup): Dump uid.
5908 (cselib_lookup): Pass next_uid as hash. Adjust.
5909 (cselib_process_insn): Adjust.
5910 (cselib_init): Initialize next_uid.
5911 (cselib_finish): Adjust.
5912 (dump_cselib_table): Likewise.
5913 * dse.c (canon_address): Dump value uid.
5914 * print-rtl.c (print_rtx): Print value uid.
5915 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5917 (dv_uid): New function, sort of renamed from...
5918 (dv_htab_hash): ... this, reimplemented in terms of it and...
5919 (dv_uid2hash): ... this. New.
5920 (variable_htab_eq): Drop excess assertions.
5921 (tie_break_pointers): Removed.
5922 (canon_value_cmp): Compare uids.
5923 (variable_post_merge_New_vals): Print uids.
5924 (vt_add_function_parameters): Adjust.
5925 (vt_initialize): Reset table. Adjust.
5927 2010-02-03 Richard Guenther <rguenther@suse.de>
5929 PR tree-optimization/42944
5930 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5931 (call_may_clobber_ref_p_1): Likewise. Properly handle
5932 malloc and calloc clobbering errno.
5934 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5936 * doc/invoke.texi: Fix name of sched1 dump.
5938 * opts.c (decode_options): Set flag_tree_switch_conversion
5939 only conditionally on optimize >= 2.
5941 * gcse.c: Assorted comment fixes in pass description.
5943 2010-02-03 Anthony Green <green@moxielogic.com>
5945 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5946 nop padding in order to maintain alignment of storage location of
5947 target function address.
5948 (moxie_trampoline_init): Store target function address at newly
5950 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5952 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5954 2010-02-03 Richard Guenther <rguenther@suse.de>
5957 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5959 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5961 * config.gcc: Reenable check for obsolete targets.
5962 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5963 mips-sgi-irix6.[0-4]*.
5965 2010-02-02 Nick Clifton <nickc@redhat.com>
5967 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5968 constant size of 4 as being the same as 0.
5969 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5970 can take values in the range 0..4.
5972 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5975 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5976 as _darwin10_Unwind_FindEnclosingFunction().
5977 * libgcc-libsystem.ver: New.
5979 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5982 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5983 implicitly set registers.
5985 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5987 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5988 (arm_override_options): Allow automatic selection of the thread
5989 pointer register if thumb2.
5990 (legitimize_pic_address): Improve code sequences for Thumb2.
5991 (arm_call_tls_get_addr): Likewise.
5992 (legitimize_tls_address): Likewise.
5993 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5994 (pic_load_addr_32bit): ... this. New named pattern.
5995 * thumb2.md (pic_load_addr_thumb2): Delete.
5996 (pic_load_dot_plus_four): Delete.
5997 (tls_load_dot_plus_four): New named pattern.
5999 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6002 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6003 Document fix for TLS bug.
6005 2010-01-31 Richard Guenther <rguenther@suse.de>
6007 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6008 conservatively correct.
6010 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6014 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6016 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6018 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6020 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6022 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6024 * config.gcc: Adjust order of makefile fragments for mingw targets.
6026 2010-01-31 Richard Guenther <rguenther@suse.de>
6029 * gimplify.c (gimplify_init_constructor): For volatile LHS
6030 initialize a temporary.
6032 2010-01-31 Matthias Klose <doko@ubuntu.com>
6034 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6036 * configure: Regenerate.
6038 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6040 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6041 the same alias set and their sizes different constantness.
6042 (aliasing_component_refs_p): Revert 2009-10-24 change.
6044 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6046 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6049 2010-01-29 Richard Guenther <rguenther@suse.de>
6051 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6052 Assert we successfully updated the call.
6054 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6056 PR rtl-optimization/42889
6057 * df.h (df_set_bb_dirty_nonlr): New prototype.
6058 * df-core.c (df_set_bb_dirty_nonlr): New function.
6059 * df-scan.c (df_insn_rescan): Call it instead of
6060 df_set_bb_dirty for DEBUG_INSNs.
6062 2010-01-29 Richard Guenther <rguenther@suse.de>
6065 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6066 quadratic behavior in most cases.
6068 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6071 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6072 in the call to gen_x86_movsicc_0_m1.
6074 2010-01-28 Richard Guenther <rguenther@suse.de>
6076 PR tree-optimization/42871
6077 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6079 2010-01-28 Richard Guenther <rguenther@suse.de>
6081 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6082 into call arguments.
6084 2010-01-28 Richard Guenther <rguenther@suse.de>
6087 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6088 the forwarder if the destination is an EH landing pad.
6090 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6092 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6093 block list passed to gimple_duplicate_sese_tail.
6094 (parallelize_loops): Avoid parallelization when the function
6096 Avoid parallelization when the preheader is IRREDUCIBLE.
6097 Try to optimize when estimated_loop_iterations_int is unresolved.
6098 Add the loop's location to the dump file.
6099 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6100 (gimple_duplicate_sese_tail): Remove the check for the latch.
6101 Redirect nexits to the exit block.
6102 Remove handling of the incoming edges to the latch.
6103 Redirect the backedge from the copied latch to the exit bb.
6105 2010-01-28 Michael Matz <matz@suse.de>
6108 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6109 Wrap force_reg into a sequence, emit it before user.
6111 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6113 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6115 (arm_legacy_rev): Likewise.
6116 (thumb_legacy_rev): Likewise.
6118 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6120 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6121 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6122 on MEM's address failed, try avoid_constant_pool_reference and
6123 recurse if it returned something different.
6124 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6125 address, try avoid_constant_pool_reference and recurse if it
6126 returned something different.
6127 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6128 address and avoid_constant_pool_reference returned something
6129 different, don't set have_address.
6131 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6134 * var-tracking.c (val_store): Add modified argument, obey it.
6136 (count_uses): Move down logging of main.
6137 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6138 don't need resolution.
6139 (emit_notes_in_bb): Likewise.
6141 2010-01-27 Richard Guenther <rguenther@suse.de>
6144 * tree-inline.c (remap_decl): Delay remapping of SSA name
6145 default definitions until we need them.
6147 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6149 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6150 (rs6000_delegitimize_address): New function.
6152 * config/s390/s390.c (s390_delegitimize_address): Call
6153 delegitimize_mem_from_attrs.
6156 * tree-inline.c (cannot_copy_type_1): Removed.
6157 (copy_forbidden): Don't forbid copying of functions containing
6158 records/unions with variable length fields.
6160 2010-01-27 Christian Bruel <christian.bruel@st.com>
6164 * config/sh/sh.c (find_barrier): Increase length for non delayed
6165 conditional branches.
6167 2010-01-27 Matthias Klose <doko@ubuntu.com>
6169 * configure.ac (gnu-unique-object): Fix ldd version check.
6170 * configure: Regenerate.
6172 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6174 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6176 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6177 Test for HAVE_GNU_AS value.
6179 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6181 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6182 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6183 INT64_TYPE): Define.
6184 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6185 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6186 INT_LEAST64_TYPE): Define.
6187 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6188 UINT_LEAST64_TYPE): Define.
6189 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6190 INT_FAST64_TYPE): Define.
6191 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6192 UINT_FAST64_TYPE): Define.
6193 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6194 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6195 (SIG_ATOMIC_TYPE): Define.
6197 2010-01-26 Richard Guenther <rguenther@suse.de>
6199 * df-scan.c (df_scan_set_bb_info): Remove assert.
6200 (df_insn_rescan_debug_internal): Merge asserts.
6201 (df_install_ref): Likewise.
6202 (df_mark_reg): Use bitmap_set_range.
6203 (df_hard_reg_used_p): Remove assert.
6204 (df_hard_reg_used_count): Likewise.
6206 2010-01-26 Richard Guenther <rguenther@suse.de>
6208 PR rtl-optimization/42685
6209 * web.c (web_main): Ignore DEBUG_INSNs.
6211 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6213 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6215 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6216 Fix types of fndecl and arglist parameters.
6218 2010-01-26 Richard Guenther <rguenther@suse.de>
6221 * tree-eh.c (unsplit_eh): Skip debug insns.
6223 2010-01-26 Richard Guenther <rguenther@suse.de>
6225 PR tree-optimization/42250
6226 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6228 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6231 * omp-low.c (expand_omp_sections): Only use single_pred if
6232 l2_bb is single_pred_p.
6234 2010-01-25 Christian Bruel <christian.bruel@st.com>
6237 * config/sh/sh.c (find_barrier): Increase length for non delayed
6238 conditional branches.
6239 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6241 2010-01-24 David S. Miller <davem@davemloft.net>
6243 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6244 define if not using GAS.
6245 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6246 Likewise. Delete SECTION_MERGE code, which is only applicable
6249 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6252 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6253 mangling of va_list in system headers.
6255 2010-01-23 Toon Moene <toon@moene.org>
6257 * tree-predcom.c (combine_chains): Return NULL, not false.
6259 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6261 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6262 initialization of variable res to agree with return type.
6264 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6266 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6267 * tree-sra.c: Add include of expr.h.
6269 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6271 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6272 insert the debug stmt on the single non-EH edge from the stmt.
6274 2010-01-22 Richard Henderson <rth@redhat.com>
6277 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6278 the RHS until after generate_subtree_copies has insertted its
6279 code before the current statement.
6281 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6283 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6285 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6287 2010-01-21 Martin Jambor <mjambor@suse.cz>
6289 PR tree-optimization/42585
6290 * tree-sra.c (struct access): New field grp_total_scalarization.
6291 (dump_access): Dump the new field.
6292 (should_scalarize_away_bitmap): New variable.
6293 (cannot_scalarize_away_bitmap): Likewise.
6294 (sra_initialize): Allocate new bitmaps.
6295 (sra_deinitialize): Free new bitmaps.
6296 (create_access_1): New function.
6297 (create_access): Parts moved to create_access_1.
6298 (type_consists_of_records_p): New function.
6299 (completely_scalarize_record): Likewise.
6300 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6301 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6302 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6304 (analyze_all_variable_accesses): Completely scalarize small eligible
6307 2010-01-21 Martin Jambor <mjambor@suse.cz>
6309 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6311 2010-01-21 Andrew Haley <aph@redhat.com>
6313 * gcc.c (process_command): Move lang_specific_driver before
6314 setting cc_libexec_prefix.
6316 2010-01-21 Richard Guenther <rguenther@suse.de>
6319 * fold-const.c (negate_expr_p): Pretend only negative
6320 real constants are easily negatable.
6322 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6323 Jason Merrill <jason@redhat.com>
6325 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6326 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6327 * calls.c (initialize argument_information): Handle it.
6328 * c-common.c (handle_transparent_union_attribute): Use new name.
6329 * c-decl.c (finish_struct): Ditto.
6330 * c-typeck.c (type_lists_compatible_p): Ditto.
6331 (convert_for_assignment): Use new name and also handle record.
6332 * function.c (aggregate_value_p): Handle it.
6333 (pass_by_reference): Ditto.
6334 (assign_parm_data_types): Ditto.
6335 * print-tree.c (print_node): Ditto.
6336 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6337 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6338 * tree.c (first_field): New fn.
6340 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6343 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6344 even when linking statically, for now.
6346 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6349 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6350 without a cselib val.
6351 (count_uses): Accept MO_VAL_SET with no val on stores.
6352 (add_stores): Likewise.
6354 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6356 * var-tracking.c (check_value_val): Add a compile time assertion.
6357 (dv_is_decl_p): Simplify.
6358 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6359 gcc_assert if ENABLE_CHECKING.
6361 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6364 * var-tracking.c: Include tree-flow.h.
6365 (mem_dies_at_call): New.
6366 (dataflow_set_preserve_mem_locs): Use it.
6367 (dataflow_set_remove_mem_locs): Likewise.
6368 (dump_var): Renamed from dump_variable. Adjust all callers.
6369 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6370 * Makefile.in (var-tracking.o): Adjust deps.
6372 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6374 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6376 2010-01-20 Richard Guenther <rguenther@suse.de>
6378 PR tree-optimization/42717
6379 * tree-ssa-dce.c (get_live_post_dom): Remove.
6380 (forward_edge_to_pdom): Take an arbitrary edge to copy
6381 degenerate PHI args from.
6382 (remove_dead_stmt): Use the first post-dominator even if it
6383 does not contain live statements as redirection destination.
6385 2010-01-20 Richard Guenther <rguenther@suse.de>
6387 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6389 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6391 * sel-sched.c (create_speculation_check): Remove set but not used
6393 (try_transformation_cache): Remove set but not used variable ds.
6394 (calculate_privileged_insns): Remove set but not used variables
6395 cur_insn and min_spec_insn.
6396 (find_best_expr): Remove set but not used variable avail_n.
6397 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6399 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6401 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6402 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6405 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6408 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6409 cpu types. Add support for *-sse3 cpu types.
6410 (x86_64-*-*): Ditto.
6412 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6415 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6416 argument, call initializer_constant_valid_p_1 instead of
6417 initializer_constant_valid_p, pass CACHE to it, return NULL
6418 immediately if first call returns NULL.
6419 (initializer_constant_valid_p_1): New function.
6420 (initializer_constant_valid_p): Use it.
6422 2010-01-20 Thomas Quinot <quinot@adacore.com>
6424 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6426 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6428 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6429 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6430 (loc_list_from_tree): Don't handle unsigned division. Handle
6431 signed modulo using DW_OP_{over,over,div,mul,minus}.
6432 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6433 modulo instead of signed.
6435 2010-01-20 DJ Delorie <dj@redhat.com>
6437 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6439 (h8300_emit_stack_adjustment): Propogate it.
6441 (h8300_expand_prologue): Likewise.
6442 (h8300_expand_epilogue): Likewise.
6444 2010-01-19 Michael Matz <matz@suse.de>
6446 PR tree-optimization/41783
6447 * tree-data-ref.c (toplevel): Include flags.h.
6448 (dump_data_dependence_relation): Also dump the inputs if the
6449 result will be unknown.
6450 (split_constant_offset_1): Look through some conversions.
6451 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6452 the offset from last element is too large.
6453 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6454 (reassociate_to_the_same_stmt): Handle vector registers.
6455 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6457 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6458 wide_prolog_niters argument, emit widening instructions.
6459 (vect_do_peeling_for_alignment): Adjust caller, use widened
6460 variant of the iteration cound.
6461 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6463 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6466 * config/arm/neon-testgen.m (emit_automatics): New parameter
6467 features. Adjust for Fixed_return_reg feature.
6468 (test_intrinsic): Call emit_automatics with new feature.
6469 * config/arm/neon.ml: Update copyright years.
6470 (features): New Fixed_return_reg feature.
6471 (ops): Update feature for Vget_low.
6473 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6475 PR tree-optimization/42719
6476 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6480 * fwprop.c (all_uses_available_at): Return false if def_set dest
6481 is a REG that is used in def_insn.
6483 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6485 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6487 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6490 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6492 * target.h (struct gcc_target) <secondary_reload>: Change type
6493 of last argument to secondary_reload_info *.
6495 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6498 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6499 memory references with unaligned offsets. Remove CQImode handling.
6500 (unaligned_memory_operand): Return 1 for memory references with
6501 unaligned offsets. Remove CQImode handling.
6503 2010-01-18 Richard Guenther <rguenther@suse.de>
6506 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6509 2010-01-18 Richard Guenther <rguenther@suse.de>
6511 PR tree-optimization/42781
6512 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6513 restrict processing only if the original variable was artificial.
6515 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6517 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6518 find number of popped argument bytes.
6520 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6521 Fix the text that describes the return value for invalid insns.
6523 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6525 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6526 Clarify what 'cost of the -dependence' is. Fix quoting.
6528 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6529 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6531 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6533 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6534 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6536 2010-01-17 Richard Guenther <rguenther@suse.de>
6539 * function.c (split_complex_args): Take a VEC to modify.
6540 (assign_parms_augmented_arg_list): Build a VEC instead of
6541 a chain of PARM_DECLs.
6542 (assign_parms_unsplit_complex): Take a VEC of arguments.
6543 Do not fixup unmodified parms.
6544 (assign_parms): Deal with the VEC.
6545 (gimplify_parameters): Likewise.
6547 2010-01-17 Richard Guenther <rguenther@suse.de>
6549 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6550 node existence check.
6551 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6552 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6553 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6554 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6555 (gimple_execute_on_growing_pred): Likewise.
6557 2010-01-17 Richard Guenther <rguenther@suse.de>
6559 PR tree-optimization/42773
6560 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6561 (compute_antic_aux): Likewise.
6562 (compute_partial_antic_aux): Likewise.
6564 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6567 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6570 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6572 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6575 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6576 Fix markup for strict argument.
6578 (TARGET_SCHED_REORDER2): Fix argument types.
6580 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6581 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6583 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6584 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6586 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6589 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6590 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6591 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6592 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6593 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6595 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6597 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6599 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6600 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6602 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6604 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6607 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6609 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6610 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6612 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6614 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6616 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6617 referring to it. Fix language.
6619 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6621 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6623 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6625 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6627 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6628 '@var{stream}. Remove stray 'and'.
6630 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6632 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6634 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6636 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6637 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6639 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6640 Fix description of return value.
6641 Rename argument "sz" to "len."
6643 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6644 Clarify meaning of 'true' return value.
6646 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6648 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6649 rep_mode versus mode_rep.
6651 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6653 (TARGET_BUILTIN_DECL): Fix name.
6655 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6657 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6659 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6661 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6663 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6665 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6668 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6669 Rename argument tm_fn to md_fn.
6671 (TARGET_OPTION_PRINT): Fix argument list.
6673 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6676 * config/i386/i386.c (ix86_fixup_binary_operands):
6677 Revert FMA4 fixup of operands.
6679 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6682 * Makefile.in (write_entries_to_file, install-plugin):
6683 Use \012 instead of \n with tr.
6685 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6687 * configure.ac (HAVE_AS_REF): New C macro.
6688 * configure: Regenerate.
6689 * config.in: Likewise.
6690 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6692 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6695 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6697 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6699 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6701 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6703 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6705 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6707 (TARGET_BINDS_LOCAL_P): Fix argument type.
6709 (TARGET_ASM_FILE_END): Use prototype.
6711 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6713 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6715 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6717 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6719 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6720 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6722 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6723 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6725 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6726 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6727 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6728 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6730 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6732 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6734 (TARGET_INIT_BUILTINS): Use prototype.
6736 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6737 Put 'const char *' in braces. Fix parameter types.
6738 (TARGET_INVALID_CONVERSION): Fix parameter types.
6739 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6740 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6742 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6745 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6747 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6749 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6751 * doc/tm.texi (TARGET_HELP): Fix return type.
6753 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6754 in braces. Fix argument types.
6756 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6758 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6760 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6762 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6763 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6765 (TARGET_MANGLE_TYPE): Fix argument types.
6767 (TARGET_IRA_COVER_CLASSES): Use prototype.
6769 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6771 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6773 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6775 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6777 (TARGET_CALLEE_COPIES): Fix argument types.
6779 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6781 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6783 (TARGET_FUNCTION_VALUE): Fix argument types.
6785 (TARGET_RETURN_IN_MSB): Fix argument type.
6787 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6789 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6791 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6793 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6794 agree with return type.
6796 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6798 2010-01-15 Jing Yu <jingyu@google.com>
6800 PR rtl-optimization/42691
6801 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6802 a pseudo to a constant and are merged, and adjust comments.
6804 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6806 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6808 2010-01-15 Richard Guenther <rguenther@suse.de>
6811 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6812 labels of computed or non-local gotos to the destination.
6813 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6814 landing pad label is the first label.
6816 2010-01-15 Richard Guenther <rguenther@suse.de>
6818 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6820 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6823 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6824 to allow generation of the xssqrtdp instruction on power7.
6825 (sqrtdf2_fpr): Ditto.
6827 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6830 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6831 functions with noreturn attribute.
6834 * varasm.c (declare_weak): Add weak attribute to decl if it
6835 doesn't have one already.
6836 (assemble_external): Only add decls to weak_decls if they also
6837 have weak attribute.
6839 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6841 * var-tracking.c (var_reg_delete): Don't delete the association
6842 between REGs and values or one-part variables if the register
6845 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6848 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6849 because its first operand is a non-localized variable.
6851 2010-01-14 Martin Jambor <mjambor@suse.cz>
6853 PR tree-optimization/42706
6854 * tree-sra.c (encountered_recursive_call): New variable.
6855 (encountered_unchangable_recursive_call): Likewise.
6856 (sra_initialize): Initialize both new variables.
6857 (callsite_has_enough_arguments_p): New function.
6858 (scan_function): Call decl and flags check only for IPA-SRA, check
6859 whether there is a recursive call and whether it has enough arguments.
6860 (all_callers_have_enough_arguments_p): New function.
6861 (convert_callers): Look for recursive calls only when
6862 encountered_recursive_call is set.
6863 (ipa_early_sra): Bail out either if
6864 !all_callers_have_enough_arguments_p or
6865 encountered_unchangable_recursive_call.
6867 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6869 * sel-sched.c: Add 2010 to copyright years.
6870 * sel-sched-ir.c: Likewise.
6871 * sel-sched-ir.h: Likewise.
6873 2010-01-14 Martin Jambor <mjambor@suse.cz>
6875 PR tree-optimization/42714
6876 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6877 constructors specially.
6879 2010-01-14 Andi Kleen <ak@linux.intel.com>
6881 * config/i386/drivers-i386.c (detect_caches_intel):
6882 Add l2sizekb parameter and fill in.
6883 (host_detect_local_cpu): Add l2sizekb, fill in.
6884 Add Atom small cache heuristic.
6886 2010-01-14 Andi Kleen <ak@linux.intel.com>
6888 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6889 Add level3 parameter and fill in.
6890 (detect_caches_intel): Handle level3 cache.
6892 2010-01-14 Andi Kleen <ak@linux.intel.com>
6894 * config/i386/drivers-i386.c (host_detect_local_cpu):
6895 Fix core duo detection.
6897 2010-01-14 Andi Kleen <ak@linux.intel.com>
6899 * config/i386/drivers-i386.c (host_detect_local_cpu):
6902 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6904 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6905 (rs6000_variable_issue_1): this. Use...
6906 (rs6000_variable_issue): here. Reimplement. Print debug info.
6908 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6910 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6911 sel_restore_notes. Update all callers. Call reemit_notes
6914 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6916 PR rtl-optimization/42246
6917 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6920 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6922 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6923 all successors is the same as number of successors in current region.
6925 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6927 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6928 to rename is not separable. Otherwise check that its LHS is not NULL.
6930 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6932 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6934 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6936 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6937 available registers when failed to discover LHS register class.
6938 Fix indentation. Update comment.
6940 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6941 Alexander Monakov <amonakov@ispras.ru>
6943 PR rtl-optimization/42389
6944 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6946 (advance_state_on_fence): Likewise.
6947 (sel_target_adjust_priority): Print debug output only when
6948 sched_verbose >= 4, not 2.
6949 (get_expr_cost): Do not issue all unique insns on the next cycle.
6950 (fill_insns): Initialize can_issue_more from the value saved
6952 * sel-sched-ir.c (flist_add): New parameter issue_more.
6953 Init FENCE_ISSUE_MORE with it.
6954 (merge_fences): Likewise.
6955 (init_fences): Update call to flist_add.
6956 (add_to_fences, add_clean_fence_to_fences)
6957 (add_dirty_fence_to_fences): Likewise.
6958 (move_fence_to_fences): Update call to merge_fences.
6959 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6961 * sel-sched-ir.h (struct _fence): New field issue_more.
6962 (FENCE_ISSUE_MORE): New accessor macro.
6964 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6966 PR rtl-optimization/42388
6967 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6968 that have no predecessors nor successors. Do not call move_bb_info
6969 for empty blocks outside of current region.
6971 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6973 PR rtl-optimization/42294
6974 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6975 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6976 originators' originators.
6978 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6980 PR rtl-optimization/39453
6981 PR rtl-optimization/42246
6982 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6984 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6986 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6987 Alexander Monakov <amonakov@ispras.ru>
6990 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6991 (maybe_tidy_empty_bb): ... here. Make static. Add new
6992 argument. Update all callers.
6993 (tidy_control_flow): ... and here. Recompute topological order
6994 of basic blocks in region if necessary.
6995 (sel_redirect_edge_and_branch): Change return type. Return true
6996 if topological order might have been invalidated.
6997 (purge_empty_blocks): Export and move from...
6998 * sel-sched.c (purge_empty_blocks): ... here.
6999 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7000 (maybe_tidy_empty_bb): Delete prototype.
7001 (purge_empty_blocks): Declare.
7003 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7005 PR rtl-optimization/42249
7006 * sel-sched.c (try_replace_dest_reg): When chosen register
7007 and original register is the same, do not bail out early, but
7008 still check all original insns for validity of replacing destination
7009 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7012 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7015 Port from no-undefined-overflow branch:
7016 2009-03-09 Richard Guenther <rguenther@suse.de>
7018 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7020 2010-01-14 Richard Guenther <rguenther@suse.de>
7023 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7025 2010-01-14 Ira Rosen <irar@il.ibm.com>
7027 PR tree-optimization/42709
7028 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7029 as scalar type in creation of constant vector operand.
7031 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7034 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7035 (check-parallel-%): Match `testsuite' directory component only
7038 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7040 PR translation/39521
7041 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7044 2010-01-13 Richard Guenther <rguenther@suse.de>
7046 PR tree-optimization/42730
7047 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7050 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7053 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7054 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7057 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7059 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7060 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7061 ___umulsi3_highpart.
7063 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7064 rather than schedule_insns if the pass is enabled.
7066 2010-01-13 Martin Jambor <mjambor@suse.cz>
7068 PR tree-optimization/42704
7069 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7072 2010-01-13 Martin Jambor <mjambor@suse.cz>
7074 PR tree-optimization/42703
7075 * tree-sra.c (analyze_access_subtree): Check that we can build a
7076 reference to the original data within the aggregate.
7078 2010-01-13 Richard Guenther <rguenther@suse.de>
7080 PR tree-optimization/42705
7081 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7083 2010-01-13 Richard Guenther <rguenther@suse.de>
7086 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7088 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7091 * var-tracking.c (values_to_unmark): New variable.
7092 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7093 values_to_unmark vector. Moved body to...
7094 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7095 instead queue it into values_to_unmark vector.
7096 (vt_find_locations): Free values_to_unmark vector.
7098 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7100 * config/s390/s390.c (override_options): Set
7101 default of max-pending-list-length to 256
7103 2010-01-13 Richard Guenther <rguenther@suse.de>
7106 * tree-pass.h (PROP_gimple_lcx): New.
7107 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7108 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7109 before the final cleanup_eh.
7110 (dump_properties): Dump PROP_gimple_lcx.
7111 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7112 (tree_lower_complex_O0): Remove.
7113 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7114 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7115 tree_lower_complex, schedule TODO_update_ssa.
7116 * lto-streamer-out.c (output_function): Stream the functions
7118 * lto-streamer-in.c (input_function): Likewise.
7119 (lto_read_body): Do not override them here.
7121 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7124 * c-typeck.c (build_c_cast): Fold value cast to union type before
7125 wrapping it in a CONSTRUCTOR.
7127 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7129 PR rtl-optimization/42699
7130 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7133 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7135 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7136 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7137 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7138 SUBTARGET_WARN_UNUSED_SPEC): ... here
7139 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7141 2010-01-12 Julian Brown <julian@codesourcery.com>
7143 * config/arm/neon-schedgen.ml (Utils): Don't try to
7144 open missing module.
7145 (find_with_result): New.
7147 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7150 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7151 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7153 PR tree-optimization/42645
7154 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7155 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7156 decl_map, set processing_debug_stmt to -1 and return name without
7159 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7161 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7162 binutils version, and reword target configuration description.
7164 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7166 * config/avr/avr.h (LINKER_NAME): Remove.
7168 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7171 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7172 that support VSX, warn for -mno-altivec if vsx is not disabled,
7175 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7176 Shujing Zhao <pearly.zhao@oracle.com>
7178 PR translation/42469
7179 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7180 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7181 character between option name and help text.
7182 * c.opt (imultilib): Likewise.
7184 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7186 * lto-streamer-out.c (output_unreferenced_globals): Output static
7189 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7191 PR rtl-optimization/42621
7192 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7193 optimizing for size.
7194 (duplicate_computed_gotos): Remove now-redundant check.
7196 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7199 * configure.ac: Save and restore LDFLAGS and LIBS
7200 * configure: Regenerate.
7202 2010-01-10 Richard Guenther <rguenther@suse.de>
7205 * builtins.c (fold_builtin_strlen): Add type argument and
7206 convert the resulting length to it.
7207 (fold_builtin_1): Adjust.
7209 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7211 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7212 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7214 (num_insns_constant_wide): Adjust for that change.
7216 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7219 * web.c (union_defs): Add used argument, to combine uses of
7221 (entry_register): Adjust type and tests of used argument.
7222 (web_main): Widen used for new use. Pass it to union_defs.
7223 * df.h (union_defs): Adjust prototype.
7225 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7228 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7229 uses in new incoming argument. Free body.
7230 (reset_debug_uses_in_loop): New.
7231 (analyze_insn_to_expand_var): Call the latter if the former found
7232 anything. Fix whitespace. Reject invalid dest overlaps before
7233 going through all insns in the loop.
7235 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7238 * haifa-sched.c (dying_use_p): Debug insns don't count.
7240 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7243 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7244 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7245 (verify_gimple_call): Reject LHS in noreturn calls.
7247 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7251 * tree-vect-loop-manip.c (adjust_info): New type.
7252 (adjust_vec): New pointer to vector.
7253 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7254 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7255 (slpeel_update_phis_for_duplicate_loop): Use them.
7256 (slpeel_update_phi_nodes_for_guard1): Likewise.
7257 (slpeel_update_phi_nodes_for_guard2): Likewise.
7258 (slpeel_tree_peel_loop_to_edge): Likewise.
7259 (vect_update_ivs_after_vectorizer): Likewise.
7261 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7263 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7264 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7266 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7268 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7269 bogus uninitialized warning.
7271 2010-01-09 Richard Guenther <rguenther@suse.de>
7274 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7275 the evolution is compatible with the initial condition.
7277 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7279 * gcc.c (process_command): Update copyright notice dates.
7280 * gcov.c (print_version): Likewise.
7281 * gcov-dump.c (print_version): Likewise.
7282 * mips-tfile.c (main): Likewise.
7283 * mips-tdump.c (main): Likewise.
7285 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7288 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7290 (rotlhi3_8): Delete.
7292 (rotlsi3_8): Delete.
7293 (rotlsi3_16): Delete.
7294 (rotlsi3_24): Delete.
7296 (*rotw<mode>3): New.
7297 (*rotb<mode>3): New.
7298 * config/avr/avr.c (avr_rotate_bytes): New function.
7299 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7301 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7304 * configure.ac: Modify -rdynamic check.
7305 * configure: Regenerate.
7307 2010-01-08 DJ Delorie <dj@redhat.com>
7309 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7310 register popping order.
7312 2010-01-08 Richard Guenther <rguenther@suse.de>
7315 * c.opt (fsigned-char): Also let LTO handle this option.
7316 (funsigned-char): Likewise.
7318 2010-01-07 Richard Guenther <rguenther@suse.de>
7320 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7321 (gimple_op): Likewise.
7322 (gimple_op_ptr): Likewise.
7323 (gimple_assign_set_lhs): Remove gcc_assert.
7324 (gimple_assign_set_rhs1): Likewise.
7325 (gimple_assign_set_rhs2): Likewise.
7326 (gimple_call_set_lhs): Likewise.
7327 (gimple_call_set_fn): Likewise.
7328 (gimple_call_set_fndecl): Likewise.
7329 (gimple_call_fndecl): Likewise.
7330 (gimple_call_return_type): Likewise.
7331 (gimple_call_set_chain): Likewise.
7332 (gimple_call_num_args): Likewise.
7333 (gimple_call_set_arg): Likewise.
7334 (gimple_cond_set_code): Likewise.
7335 (gimple_cond_set_lhs): Likewise.
7336 (gimple_cond_set_rhs): Likewise.
7337 (gimple_cond_set_true_label): Likewise.
7338 (gimple_cond_set_false_label): Likewise.
7339 (gimple_label_set_label): Likewise.
7340 (gimple_goto_set_dest): Likewise.
7341 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7342 (gimple_debug_bind_get_value): Likewise.
7343 (gimple_debug_bind_get_value_ptr): Likewise.
7344 (gimple_debug_bind_set_var): Likewise.
7345 (gimple_debug_bind_set_value): Likewise.
7346 (gimple_debug_bind_reset_value): Likewise.
7347 (gimple_debug_bind_has_value_p): Likewise.
7348 (gimple_return_retval_ptr): Remove gcc_assert.
7349 (gimple_return_retval): Likewise.
7350 (gimple_return_set_retval): Likewise.
7351 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7352 (safe_referenced_var_iterator): Remove.
7353 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7354 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7355 (fill_referenced_var_vec): Remove.
7356 (first_readonly_imm_use): Remove redundant gcc_assert.
7357 (phi_arg_index_from_use): Combine gcc_asserts.
7358 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7359 (first_imm_use_stmt): Remove redundant gcc_assert.
7360 * tree-cfg.c (verify_gimple_call): Verify function and chain
7361 operands. Verify arguments.
7362 (verify_types_in_gimple_stmt): Verify condition code and labels.
7364 2010-01-07 Richard Guenther <rguenther@suse.de>
7366 PR tree-optimization/42641
7367 * sese.c (rename_map_elt_info): Use the SSA name version, do
7370 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7372 PR tree-optimization/42625
7373 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7374 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7376 2010-01-07 Duncan Sands <baldrick@free.fr>
7378 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7380 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7383 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7384 note itself is not function_invariant_p.
7386 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7388 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7389 Do not add the DF_NOTE problem.
7390 * store-motion.c (execute_rtl_store_motion): Likewise.
7392 2010-01-07 Martin Jambor <mjambor@suse.cz>
7394 PR tree-optimization/42157
7395 * tree-sra.c (compare_access_positions): Stabilize sort if both
7396 accesses have integer types, return zero immediately if they are the
7399 2010-01-06 Richard Henderson <rth@redhat.com>
7402 * haifa-sched.c (add_to_note_list): Merge into ...
7403 (concat_note_lists): ... here, and ...
7404 (unlink_other_notes, rm_other_notes): Merge into...
7405 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7406 NOTE_INSN_EPILOGUE_BEG.
7408 2010-01-06 Richard Guenther <rguenther@suse.de>
7410 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7411 not inline regular functions into always-inline functions.
7413 2010-01-06 Nick Clifton <nickc@redhat.com>
7415 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7416 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7418 (OVERRIDE_OPTIONS): Delete.
7419 (OPTIMIZATION_OPTIONS): Define.
7420 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7421 * config/rx/rx.c (rx_handle_option): Issue an error message if
7422 -mcpu=rx200 and -fpu are used together.
7423 (rx_set_optimization_options): New function. Issue an error
7424 message if an optimization attribute attempts to reset the FPU/
7425 math optimization pairing.
7426 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7427 * config/rx/rx.opt: Set the default to 32-bit doubles.
7428 * config/rx/t-rx: Add multilibs for -nofpu option.
7429 * doc/invoke.texi: Update documentation of RX options.
7431 2010-01-06 Richard Guenther <rguenther@suse.de>
7433 * tree-ssa-pre.c (name_to_id): New global.
7434 (alloc_expression_id): Simplify SSA name handling.
7435 (lookup_expression_id): Likewise.
7436 (init_pre): Zero name_to_id.
7437 (fini_pre): Free it.
7439 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7441 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7443 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7446 * config/i386/sse.md (smaxv2di3): New.
7447 (umaxv2di3): Likewise.
7448 (sminv2di3): Likewise.
7449 (uminv2di3): Likewise.
7451 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7454 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7455 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7456 (legitimize_tls_address): Likewise.
7457 (sparc_tls_referenced_p): Likewise.
7458 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7459 and adjust calls to legitimize_pic_address.
7460 (legitimate_constant_p) Use sparc_tls_referenced_p.
7461 (legitimate_pic_operand_p): Likewise.
7462 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7463 (sparc_tls_symbol_ref_1): Delete.
7464 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7465 (legitimize_tls_address): Make static, handle CONST patterns.
7466 (legitimize_pic_address): Make static, remove unused parameter and
7467 adjust recursive calls.
7468 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7469 and adjust call to legitimize_pic_address.
7470 (sparc_output_mi_thunk): Likewise.
7472 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7473 H.J. Lu <hongjiu.lu@intel.com>
7476 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7477 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7478 operands to make them signed.
7481 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7484 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7485 GTU to GT for V4SI and V2DI.
7487 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7488 (umin<mode>3): Removed.
7490 (uminv4si3): Likewise.
7492 2010-01-05 Martin Jambor <mjambor@suse.cz>
7494 PR tree-optimization/42462
7495 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7496 current_function_decl to helper functions and macros.
7498 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7501 * flags.h: Don't include real.h.
7502 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7503 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7504 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7505 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7506 * dominance.c: Update copyright.
7507 * gimple.c (walk_gimple_op): Remove inline.
7508 * tree-ssa-reassoc.c: Include real.h.
7509 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7510 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7512 2010-01-05 Nick Clifton <nickc@redhat.com>
7514 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7515 register to push into the stack frame when the accumulator has to
7516 be saved during interrupts.
7518 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7520 * doc/invoke.texi: Remove the documentation about option
7522 * common.opt (Wunreachable-code): Preserved for backward
7524 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7525 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7526 the backward compatibility flag section.
7528 2010-01-05 Richard Guenther <rguenther@suse.de>
7530 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7532 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7535 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7537 PR tree-optimization/42508
7538 * tree-sra.c (convert_callers): Check for recursive call
7539 by comparing cgraph nodes instead of decls.
7540 (modify_function): Call ipa_modify_formal_parameters also
7541 on all same_body aliases.
7543 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7544 cgraph nodes when checking for same_body aliases.
7546 2010-01-05 Richard Guenther <rguenther@suse.de>
7548 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7549 allocation and lookup.
7550 (get_or_alloc_expr_for_constant): Likewise.
7551 (phi_translate): Sink allocation.
7553 2010-01-04 Richard Guenther <rguenther@suse.de>
7555 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7556 a new entry only if needed.
7557 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7558 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7560 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7562 (phi_translate): Handle CONSTANTs early.
7564 2010-01-04 Martin Jambor <mjambor@suse.cz>
7566 PR tree-optimization/42398
7567 * tree-sra.c (struct access): Removed flag grp_different_types.
7568 (dump_access): Do not dump the removed flag.
7569 (sort_and_splice_var_accesses): Do not set the removed flag.
7570 (sra_modify_expr): Check for type compatibility directly.
7572 2010-01-04 Martin Jambor <mjambor@suse.cz>
7574 PR tree-optimization/42366
7575 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7576 edges with variable number of parameters.
7577 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7578 flag instead of asserting it.
7579 (ipa_read_node_info): Read uses_analysis_done flag.
7581 2010-01-04 Richard Guenther <rguenther@suse.de>
7583 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7584 iterative_hash_* as intended.
7585 (vn_reference_compute_hash): Likewise. Simplify hashing
7587 (vn_reference_lookup_2): Likewise.
7588 (vn_nary_op_compute_hash): Likewise.
7589 (vn_phi_compute_hash): Likewise.
7590 (expressions_equal_p): Remove strange code.
7591 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7592 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7593 (bitmap_insert_into_set_1): Take value-id as parameter.
7594 (add_to_value): Pass it.
7595 (bitmap_insert_into_set): Likewise.
7596 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7598 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7601 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7602 (do_self_spec): For switches with SWITCH_IGNORE set set also
7603 SWITCH_IGNORE_PERMANENTLY.
7604 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7607 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7609 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7610 tree of an unreferenced global var.
7612 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7615 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7616 GTU to GT for V4SI and V2DI.
7618 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7619 (umin<mode>3): Removed.
7621 (uminv4si3): Likewise.
7623 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7626 * collect2.c (main): Turn on trace in collect2 if -v is passed
7629 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7631 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7632 description of expression operand.
7634 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7636 * configure.ac: Add install-html to target_list for Make-hooks.
7637 * configure: Regenerate.
7638 * fortran/Make-lang.in (F95_HTMLFILES): New.
7639 (fortran.html): Use it.
7640 (fortran.install-html): New.
7641 * Makefile.in (install-html): Add lang.install-html.
7642 * java/Make-lang.in (JAVA_HTMLFILES): New.
7643 (java.html): Use it.
7644 (java.install-html): New.
7645 * objc/Make-lang.in (objc.install-html): New.
7646 * objcp/Make-lang.in (obj-c++.install-html): New.
7647 * cp/Make-lang.in (c++.install-html): New.
7648 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7649 * lto/Make-lang.in (lto.install-html): New.
7651 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7654 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7656 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7658 PR rtl-optimization/41862
7659 * store-motion.c (store_killed_in_insn, compute_store_table,
7660 remove_reachable_equiv_notes, replace_store_insn,
7661 build_store_vectors): Ignore all DEBUG_INSNs.
7663 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7666 * common.opt: Add dumpdir.
7668 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7670 (option_map): Add --dumpdir.
7672 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7674 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7676 * opts.c (decode_options): Try dump_dir_name first if
7677 dump_base_name isn't an absolute path.
7678 (common_handle_option): Handle OPT_dumpdir.
7680 * toplev.c (dump_dir_name): New.
7681 (print_switch_values): Also ignore -dumpdir.
7683 * toplev.h (dump_dir_name): New.
7685 2010-01-03 Richard Guenther <rguenther@suse.de>
7687 PR tree-optimization/42589
7688 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7689 double-word expansion of bswap32.
7691 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7693 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7694 with BLOCK_FOR_INSN.
7695 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7696 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7697 noce_process_if_block): Likewise.
7698 * gcse.c (compute_local_properties, insert_expr_in_table,
7699 insert_set_in_table, canon_list_insert, find_avail_set,
7700 pre_insert_copy_insn): Likewise.
7702 * basic-block.h (BLOCK_NUM): Move from here...
7703 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7705 2010-01-03 Richard Guenther <rguenther@suse.de>
7707 PR tree-optimization/42438
7708 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7709 contains_may_not_return_call flag.
7710 (BB_MAY_NOTRETURN): New.
7711 (valid_in_sets): Trapping nary operations are not valid
7712 in blocks that may not return.
7713 (insert_into_preds_of_block): Remove check for trapping expressions.
7714 (compute_avail): Compute also BB_MAY_NOTRETURN.
7716 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7718 * doc/invoke.texi: Add 2010 to copyright years.
7720 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7722 * config/sparc/sparc.c: Fix formatting nits.
7724 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7725 Alexander Monakov <amonakov@ispras.ru>
7727 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7729 2010-01-02 Richard Guenther <rguenther@suse.de>
7732 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7733 (simplify_switch_using_ranges): Mark to be removed edges
7736 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7738 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7740 * collect2.c (scan_libraries): Add missing argument in call to
7743 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7746 * config/alpha/predicates.md (aligned_memory_operand): Return false
7748 (unaligned_memory_operand): Return true for CQImode.
7749 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7750 doesn not cross aligned SImode word boundary.
7752 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7754 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7756 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7757 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7759 2010-01-02 Richard Guenther <rguenther@suse.de>
7762 * toplev.c (compile_file): Emit LTO marker properly. Change
7764 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7766 2010-01-01 Richard Guenther <rguenther@suse.de>
7769 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7771 2010-01-01 Richard Guenther <rguenther@suse.de>
7774 * c-decl.c (grokdeclarator): For zero-size arrays force
7775 structural equality checks as layout_type does.
7777 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7779 * builtins.c: Update copyright to 2010.
7781 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7784 * lto-streamer-out.c (produce_asm): Revert the last change.
7785 (copy_function): Likewise.
7787 * lto-streamer.c (lto_get_section_name): Skip any leading
7790 2010-01-01 Richard Guenther <rguenther@suse.de>
7793 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7797 Copyright (C) 2010 Free Software Foundation, Inc.
7799 Copying and distribution of this file, with or without modification,
7800 are permitted in any medium without royalty provided the copyright
7801 notice and this notice are preserved.