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1 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2
3         * config/picochip/picochip.c (picochip_legitimize_address): Define.
4         Use this function to do machine-specific conversion.
5         (picochip_legitimize_reload_address): Likewise.
6         (picochip_legitimate_address_p): Check valid base register only if
7         strict.
8         (picochip_check_conditional_copy): Check for modw only if opnd is
9         register.
10         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
11         to call the function in c.
12         * config/picochip/picochip-protos.h
13         (picochip_legitimize_reload_address): Define.
14         * config/picochip/picochip.md (supported_compare1): Define.
15
16 2010-04-30  Jan Hubicka  <jh@suse.cz>
17
18         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
19         (cgraph_global_info): Remove inlined.
20         (LTO_cgraph_tag_names): Remove.
21         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
22         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
23         simplify cgraph tags and document.
24         (lto_output_node): Use only LTO_cgraph_unavail_node and
25         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
26         for_functions_valid, global info, process and output
27         flags.
28         (input_overwrite_node): Initialize estimated stack size and
29         estimated growth.
30         Do not read flags we no longer store.
31         (input_node): Likewise do not read info no longer stored.
32         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
33         flag.
34
35 2010-04-30  Richard Guenther  <rguenther@suse.de>
36
37         PR tree-optimization/43879
38         * tree-ssa-structalias.c (get_constraint_for_1): Properly
39         handle non-zero initializers.
40
41 2010-04-30  Richard Guenther  <rguenther@suse.de>
42
43         * builtins.c (fold_builtin_1): Delete free (0).
44
45 2010-04-29  Jan Hubicka  <jh@suse.cz>
46
47         * gengtype.c (open_base_files): Add lto-streamer.h
48         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
49         (pass_ipa_cp): GGC collect.
50         * toplev. (compile_file): Do not output symbols.
51         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
52         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
53         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
54         * lto-section-in.c: Include ggc.h
55         (lto_new_in_decl_state): Alloc in GGC.
56         (lto_delete_in_decl_state): Likewise.
57         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
58
59 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
60
61         PR target/42895
62         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
63         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
64         (HONOR_REG_ALLOC_ORDER): Describe new macro.
65         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
66         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
67         account only if HONOR_REG_ALLOC_ORDER is not defined.
68         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
69         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
70         
71 2010-04-29  Jon Grant <04@jguk.org>
72         
73         * collect2.c (vflag): Change type from int to bool.
74         (debug): Likewise.
75         (helpflag): New global bool.
76         (main): Set vflag and debug with boolean, not integer truth
77         values.  Accept new "--help" option and output usage text if
78         found.
79         * collect2.h (vflag): Update prototype.
80         (debug): Likewise.
81         
82 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
83
84         PR bootstrap/43936
85         * plugin.h (flag_plugin_added): Moved out of
86         invoke_plugin_callbacks.
87
88 2010-04-29  Richard Guenther  <rguenther@suse.de>
89
90         PR bootstrap/43935
91         * plugin.h (invoke_plugin_callbacks): Annotate arguments
92         with ATTRIBUTE_UNUSED.
93
94 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
95
96         PR target/43921
97         * config/i386/i386.c (get_some_local_dynamic_name): Replace
98         INSN_P with NONDEBUG_INSN_P.
99         (distance_non_agu_define): Likewise.
100         (distance_agu_use): Likewise.
101
102 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
103
104         From Dominique d'Humieres <dominiq@lps.ens.fr>
105         PR bootstrap/43858
106         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
107         test_set.
108
109 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
110
111         * plugin.h (invoke_plugin_callbacks): New inline function.
112         * plugin.c (flag_plugin_added): New global flag.
113         (add_new_plugin): Initialize above flag.
114         (invoke_plugin_callbacks): Rename to ...
115         (invoke_plugin_callbacks_full): ... this.
116
117 2010-04-28  Jan Hubicka  <jh@suse.cz>
118
119         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
120         (lto_varpool_replace_node): New.
121         (lto_symtab_resolve_symbols): Resolve varpool nodes.
122         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
123         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
124         * cgraph.h (varpool_node_ptr): New type.
125         (varpool_node_ptr): New vector.
126         (varpool_node_set_def): New structure.
127         (varpool_node_set): New type.
128         (varpool_node_set): New vector.
129         (varpool_node_set_element_def): New structure.
130         (varpool_node_set_element, const_varpool_node_set_element): New types.
131         (varpool_node_set_iterator): New type.
132         (varpool_node): Add prev pointers, add used_from_other_partition,
133         in_other_partition.
134         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
135         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
136         varpool_get_node, varpool_remove_node): Declare.
137         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
138         varpool_node_set_size): New inlines.
139         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
140         * tree-pass.h (varpool_node_set_def): Forward declare.
141         (ipa_opt_pass_d): Summary writting takes vnode sets too.
142         (ipa_write_optimization_summaries): Update prototype.
143         * ipa-cp.c (ipcp_write_summary): Update.
144         * ipa-reference.c (ipa_reference_write_summary): Update.
145         * lto-cgraph.c (lto_output_varpool_node): New static function.
146         (output_varpool): New function.
147         (input_varpool_node): New static function.
148         (input_varpool_1): New function.
149         (input_cgraph): Input varpool.
150         * ipa-pure-const.c (pure_const_write_summary): Update.
151         * lto-streamer-out.c (lto_output): Update, output varpool too.
152         (write_global_stream): Kill WPA hack.
153         (produce_asm_for_decls): Update.
154         (output_alias_pair_p): Handle variables.
155         (output_unreferenced_globals): Output only needed partition of varpool.
156         * ipa-inline.c (inline_write_summary): Update.
157         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
158         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
159         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
160         varpool_node_set_new, varpool_node_set_add,
161         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
162         debug_varpool_node_set): New functions.
163         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
164         (execute_one_pass): Process new decls too.
165         (ipa_write_summaries_2): Pass around vsets.
166         (ipa_write_summaries_1): Likewise.
167         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
168         to add.
169         (ipa_write_optimization_summaries_1): Pass around vsets.
170         (ipa_write_optimization_summaries): Likewise.
171         * varpool.c (varpool_get_node): New.
172         (varpool_node): Update doubly linked lists.
173         (varpool_remove_node): New.
174         (dump_varpool_node): More dumping.
175         (varpool_enqueue_needed_node): Update doubly linked lists.
176         (decide_is_variable_needed): Kill ltrans hack.
177         (varpool_finalize_decl): Kill lto hack.
178         (varpool_assemble_decl): Skip decls in other partitions.
179         (varpool_assemble_pending_decls): Update doubly linkes lists.
180         (varpool_empty_needed_queue): Likewise.
181         (varpool_extra_name_alias): Likewise.
182         * lto-streamer.c (lto_get_section_name): Add vars section.
183         * lto-streamer.h (lto_section_type): Update.
184         (output_varpool, input_varpool): Declare.
185
186 2010-04-28  Mike Stump  <mikestump@comcast.net>
187
188         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
189
190 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
191
192         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
193         record or union type with RECORD_OR_UNION_TYPE_P predicate.
194         (lto_input_ts_type_tree_pointers): Likewise.
195         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
196         (lto_output_ts_type_tree_pointers): Likewise.
197
198 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
199
200         Uniquization of constants at the Tree level
201         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
202         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
203         bit to the end.
204         (tree_output_constant_def): Declare.
205         * gimplify.c (gimplify_init_constructor): When using block copy, first
206         uniquize the constant constructor on the RHS.
207         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
208         DECL_IN_CONSTANT_POOL flag.
209         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
210         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
211         constant pool.
212         (assemble_variable): Deal with symbols belonging to the tree constant
213         pool.
214         (get_constant_section): Add ALIGN parameter and simplify.
215         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
216         (assemble_constant_contents): Use the expression of the VAR_DECL.
217         (output_constant_def_contents): Use the alignment of the VAR_DECL.
218         (tree_output_constant_def): New global function.
219         (mark_constant): Use the expression of the VAR_DECL.
220         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
221         its expression.
222         (output_object_block): Likewise and assemble the expression.
223
224 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
225
226         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
227         hash_tree, eq_tree): New tree hash table.
228         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
229         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
230         lto_orig_address_remove): Reimplement.
231
232 2010-04-28  Xinliang David Li  <davidxl@google.com>
233
234         PR c/42643
235         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
236         (compute_uninit_opnds_pos): New function.
237         (is_non_loop_exit_postdominating): New function.
238         (compute_control_dep_chain): New function.
239         (find_pdom): New function.
240         (convert_control_dep_chain_into_preds): New function.
241         (find_predicates): New function.
242         (find_control_equiv_block): New function.
243         (collect_phi_def_edges): New function.
244         (find_def_preds): New function.
245         (find_dom): New function.
246         (dump_predicates): New function.
247         (get_cmp_code): New function.
248         (is_value_included_in): New function.
249         (find_matching_predicate_in_rest_chains): New function.
250         (use_pred_not_overlap_with_undef_path_pred): New function.
251         (is_use_properly_guarded): New function.
252         (normalize_cond_1): New function.
253         (is_and_or_or): New function.
254         (normalize_cond): New function.
255         (is_gcond_subset_of): New function.
256         (is_subset_of_any): New function.
257         (is_or_set_subset_of): New function.
258         (is_and_set_subset_of): New function.
259         (is_norm_cond_subset_of): New function.
260         (is_pred_expr_subset_of): New function.
261         (is_pred_chain_subset_of): New function.
262         (is_included_in): New function.
263         (is_superset_of): New function.
264         (find_uninit_use): New function.
265         (warn_uninitialized_phi): New function.
266         (compute_possibly_undefined_names): New function.
267         (ssa_undefined_value_p): New function.
268         (execute_late_warn_uninitialized): New function.
269         * tree-ssa.c (ssa_undefined_value_p): Removed.
270         (warn_uninit): Changed to extern.
271         (warn_uninitialized_phi): Removed.
272         (warn_uninitialized_vars): Changed to extern.
273         (execute_late_warn_uninitialized): Removed
274         * tree-flow.h: Add new prototypes.
275         * timevar.def: Add new time variable.
276         * Makefile.in: Add new build file.
277
278 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
279
280         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
281         type if available.
282
283 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
284
285         PR target/22224
286         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
287
288 2010-04-28  Martin Jambor  <mjambor@suse.cz>
289
290         * cgraph.h (struct cgraph_node): New field indirect_calls.
291         (struct cgraph_indirect_call_info): New type.
292         (struct cgraph_edge): Removed field indirect_call. New fields
293         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
294         (cgraph_create_indirect_edge): Declare.
295         (cgraph_make_edge_direct): Likewise.
296         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
297         * ipa-prop.h (struct ipa_param_call_note): Removed.
298         (struct ipa_node_params): Removed field param_calls.
299         (ipa_create_all_structures_for_iinln): Declare.
300         * cgraph.c: Described indirect edges and uids in initial comment.
301         (cgraph_add_edge_to_call_site_hash): New function.
302         (cgraph_edge): Search also among the indirect edges, use
303         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
304         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
305         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
306         site hash.
307         (initialize_inline_failed): Assign a reason to indirect edges.
308         (cgraph_create_edge_1): New function.
309         (cgraph_create_edge): Moved some functionality to
310         cgraph_create_edge_1.
311         (cgraph_create_indirect_edge): New function.
312         (cgraph_edge_remove_callee): Add an assert checking for
313         non-indirectness.
314         (cgraph_edge_remove_caller): Special-case indirect edges.
315         (cgraph_remove_edge): Likewise.
316         (cgraph_set_edge_callee): New function.
317         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
318         (cgraph_make_edge_direct): New function.
319         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
320         the declaration of the call statement matches.
321         (cgraph_node_remove_callees): Special-case indirect edges.
322         (cgraph_clone_edge): Likewise.
323         (cgraph_clone_node): Clone also the indirect edges.
324         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
325         indirect_call, dump count of indirect_calls edges.
326         * ipa-prop.c (iinlining_processed_edges): New variable.
327         (ipa_note_param_call): Create indirect edges instead of
328         creating notes.  New parameter node.
329         (ipa_analyze_call_uses): New parameter node, pass it on to
330         ipa_note_param_call.
331         (ipa_analyze_stmt_uses): Likewise.
332         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
333         (print_edge_addition_message): Work on edges rather than on notes.
334         (update_call_notes_after_inlining): Likewise, renamed to
335         update_indirect_edges_after_inlining.
336         (ipa_create_all_structures_for_iinln): New function.
337         (ipa_free_node_params_substructures): Do not free notes.
338         (ipa_edge_duplication_hook): Propagate bits within
339         iinlining_processed_edges bitmap.
340         (ipa_node_duplication_hook): Do not duplicate notes.
341         (free_all_ipa_structures_after_ipa_cp): Renamed to
342         ipa_free_all_structures_after_ipa_cp.
343         (free_all_ipa_structures_after_iinln): Renamed to
344         ipa_free_all_structures_after_iinln.g
345         (ipa_write_param_call_note): Removed.
346         (ipa_read_param_call_note): Removed.
347         (ipa_write_indirect_edge_info): New function.
348         (ipa_read_indirect_edge_info): Likewise.
349         (ipa_write_node_info): Do not stream notes, do stream information
350         in indirect edges.
351         (ipa_read_node_info): Likewise.
352         (lto_ipa_fixup_call_notes): Removed.
353         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
354         * ipa-inline.c (pass_ipa_inline): Likewise.
355         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
356         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
357         * tree-inline.c (copy_bb): Removed an unnecessary double check for
358         is_gimple_call.
359         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
360         edges.
361         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
362         (output_cgraph): Stream also indirect edges.
363         (lto_output_edge): Added capability to stream indirect edges.
364         (input_edge): Likewise.
365         (input_cgraph_1): Likewise.
366         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
367         of indirect edges.
368
369 2010-04-28  Richard Guenther  <rguenther@suse.de>
370
371         PR tree-optimization/43879
372         PR tree-optimization/43909
373         * tree-ssa-structalias.c (struct variable_info): Add
374         only_restrict_pointers flag.
375         (new_var_info): Initialize it.  Increment stats.total_vars here.
376         (create_function_info_for): Do not increment stats.total_vars
377         here.
378         (get_function_part_constraint): Fix build with C++.
379         (insert_into_field_list): Remove.
380         (push_fields_onto_fieldstack): Properly merge fields.
381         (create_variable_info_for): Split and simplify.
382         (create_variable_info_for_1): New piece.
383         (intra_create_variable_infos): Properly make restrict constraints
384         from parameters.
385
386 2010-04-28  Richard Guenther  <rguenther@suse.de>
387
388         PR c++/43880
389         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
390         value-exprs.
391
392 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
393             Jan Hubicka <hubicka@ucw.cz>
394
395         * doc/invoke.texi (-Wsuggest-attribute=const,
396         -Wsuggest-attribute=pure): Document.
397         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
398         (function_always_visible_to_compiler_p,
399         suggest_attribute, warn_function_pure, warn_function_const):
400         New functions.
401         (check_call): Improve debug info.
402         (analyze_function): Do not check availability.
403         (add_new_function): Check availability.
404         (propagate): Output warnings.
405         (skip_function_for_local_pure_const): New function.
406         (local_pure_const): Use it; output warnings.
407         * common.opt (Wsuggest-attribute=const,
408         Wsuggest-attribute=pure): New.
409
410 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
411
412         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
413         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
414         or DW_CFA_def_cfa_offset{,_sf}.
415
416 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
417
418         * tree.h: Fix truncated long macros.
419
420 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
421
422         * collect2.c (TARGET_64BIT): Redefine to target's default.
423         * tlink.c: Likewise.
424         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
425         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
426         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
427         for underscoring __USER_LABEL_PREFIX__.
428         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
429         (SUB_LINK_ENTRY32): New.
430         (SUB_LINK_ENTRY64): New.
431         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
432         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
433         (SUB_LINK_ENTRY64): New.
434         (SUB_LINK_ENTRY): New.
435         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
436         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
437         x64 target is choosen.
438         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
439         * configure: Regenerated.
440         * configure.ac (leading-mingw64-underscores): Option added.
441
442 2010-04-27  Jan Hubicka  <jh@suse.cz>
443
444         * doc/invoke.texi (-fipa-profile): Document.
445         * opts.c (decode_options): Enable ipa-profile at -O1.
446         * timevar.def (TV_IPA_PROFILE): Define.
447         * common.opt (fipa-profile): Add.
448         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
449         flag for clones.
450         (cgraph_propagate_frequency): Handle only local ones.
451         * tree-pass.h (pass_ipa_profile): Declare.
452         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
453         (pass_ipa_profile): Use TV_IPA_PROFILE.
454         * ipa.c (ipa_profile): New function.
455         (gate_ipa_profile): Likewise.
456         (pass_ipa_profile): New global variable.
457         * passes.c (pass_ipa_profile): New.
458
459 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
460
461         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
462
463 2010-04-27  Martin Jambor  <mjambor@suse.cz>
464
465         PR middle-end/43812
466         * ipa.c (dissolve_same_comdat_group_list): New function.
467         (function_and_variable_visibility): Call
468         dissolve_same_comdat_group_list when comdat group contains external or
469         newly local nodes.
470         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
471         lists are circular and that they contain only DECL_ONE_ONLY nodes.
472
473 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
474
475         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
476         (const_hash_1) <VECTOR_CST>: New case.
477         (compare_constant) <VECTOR_CST>: Likewise.
478         <ADDR_EXPR>: Deal with LABEL_REFs.
479         (copy_constant) <VECTOR_CST>: New case.
480
481 2010-04-27  Jan Hubicka  <jh@suse.cz>
482
483         * cgraph.c (cgraph_propagate_frequency): New function.
484         * cgraph.h (cgraph_propagate_frequency): Declare.
485         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
486         cgraph_propagate_frequency.
487
488 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
489
490         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
491
492 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
493
494         PR target/40657
495         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
496         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
497         here to determine which regs to push and how much stack to reserve.
498
499 2010-04-27  Jie Zhang  <jie@codesourcery.com>
500
501         * doc/gimple.texi (gimple_statement_with_ops): Remove
502         addresses_taken field.
503         (gimple_statement_with_memory_ops): Likewise.
504
505 2010-04-27  Jan Hubicka  <jh@suse.cz>
506
507         * tree-inline.c (eni_inlining_weights): Remove.
508         (estimate_num_insns): Special case more builtins.
509
510 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
511
512         PR c/32207
513         * c-typeck.c (build_binary_op): Move forward check for comparison
514         pointer with null pointer constant and adjust the diagnostic message.
515
516 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
517
518         PR lto/42776
519         * configure.ac (gcc_cv_as_section_has_align): Set if installed
520         binutils supports extended .section directive needed by LTO, or
521         warn if older binutils found.
522         (LTO_BINARY_READER): New AC_SUBST'd variable.
523         (LTO_USE_LIBELF): Likewise.
524         * gcc/config.gcc (lto_binary_reader): New target-specific configure
525         variable.
526         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
527         (LTO_USE_LIBELF): Likewise.
528         * configure: Regenerate.
529
530         * collect2.c (is_elf): Rename from this ...
531         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
532          object files in addition to ELF-formatted ones.
533         (scan_prog_file): Caller updated.  Also allow for LTO info marker
534         symbol to be prefixed or not by an extra underscore.
535
536         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
537         * config/i386/winnt.c: Also #include lto-streamer.h
538         (i386_pe_asm_named_section): Specify 1-byte section alignment for
539         LTO named sections.
540         (i386_pe_asm_output_aligned_decl_common): Add comment.
541         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
542
543 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
544
545         PR target/43889
546         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
547         Add missing earlyclobber for second alternative.
548
549 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
550
551         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
552         bits for artificial defs at the top of the block.
553         * fwprop.c (single_def_use_enter_block): Don't call it.
554
555 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
556
557         PR 43715
558         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
559         instead of "$gcc_cv_objdump -T".
560         Use "-undefined dynamic_lookup" on darwin.
561         * gcc/configure: Regenerate.
562
563 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
564
565         PR c/43893
566         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
567
568 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
569
570         * c-parser.c (struct c_token): Move location field up.
571         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
572         (struct c_declspecs): Convert typespec_word, storage_class, and
573         default_int_p into bitfields.
574         (struct c_declarator): Move loc field up.
575
576 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
577
578         * cfgloop.h (struct loop): Move can_be_parallel field up.
579         * ipa-prop.h (struct ip_node_params): Move bitfields up.
580         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
581         down.
582         (struct iv_cand): Convert pos field into a bitfield.
583         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
584         field up.
585         (struct _stmt_vec_info): Shuffle fields for better packing.
586
587 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
588
589         * varasm.c (IN_NAMED_SECTION): Remove guard.
590         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
591         (IN_NAMED_SECTION_P): ...this.
592         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
593         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
594
595 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
596
597         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
598         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
599         of shadowing it.  Fix comments.
600
601 2010-04-26  Jan Hubicka  <jh@suse.cz>
602
603         * cgraph.c (cgraph_create_node): Set node frequency to normal.
604         (cgraph_clone_node): Copy function frequency.
605         * cgraph.h (node_frequency): New enum
606         (struct cgraph_node): Add.
607         * final.c (rest_of_clean_state): Update.
608         * lto-cgraph.c (lto_output_node): Output node frequency.
609         (input_overwrite_node): Input node frequency.
610         * tre-ssa-loop-ivopts (computation_cost): Update.
611         * lto-streamer-out.c (output_function): Do not output function
612         frequency.
613         * predict.c (maybe_hot_frequency_p): Update and handle functions
614         executed once.
615         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
616         attribute lookup.
617         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
618         (compute_function_frequency): Set noreturn functions to be executed
619         once.
620         (choose_function_section): Update.
621         * lto-streamer-in.c (input_function): Do not input function frequency.
622         * function.c (allocate_struct_function): Do not initialize function
623         frequency.
624         * function.h (function_frequency): Remove.
625         (struct function): Remove function frequency.
626         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
627         (try_update): Update.
628         * tree-inline.c (initialize_cfun): Do not update function frequency.
629         * passes.c (pass_init_dump_file): Update.
630         * i386.c (ix86_compute_frame_layout): Update.
631         (ix86_pad_returns): Update.
632
633 2010-04-26  Jie Zhang  <jie@codesourcery.com>
634
635         PR tree-optimization/43833
636         * tree-vrp.c (range_int_cst_p): New.
637         (range_int_cst_singleton_p): New.
638         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
639         when both operands are constants.  Use range_int_cst_p in
640         BIT_IOR_EXPR case.
641
642 2010-04-26  Jan Hubicka  <jh@suse.cz>
643
644         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
645
646 2010-04-26  Richard Guenther  <rguenther@suse.de>
647
648         PR lto/43080
649         * gimple.c (gimple_decl_printable_name): Deal gracefully
650         with a NULL DECL_NAME.
651
652 2010-04-26  Richard Guenther  <rguenther@suse.de>
653
654         PR lto/42425
655         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
656         if emitting debug information and it is either a function
657         or a namespace decl.
658
659 2010-04-26  Ira Rosen  <irar@il.ibm.com>
660
661         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
662         determine if the statement is vectorizable, and a macro to access it.
663         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
664         Skip statements that can't be vectorized. If the analysis fails,
665         mark the statement as unvectorizable if vectorizing basic block.
666         (vect_compute_data_refs_alignment): Likewise.
667         (vect_verify_datarefs_alignment): Skip statements marked as
668         unvectorizable. Add print.
669         (vect_analyze_group_access): Skip statements that can't be
670         vectorized. If the analysis fails, mark the statement as
671         unvectorizable if vectorizing basic block.
672         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
673         * tree-vect-stmts.c (vectorizable_store): Fix the number of
674         generated stmts for SLP.
675         (new_stmt_vec_info): Initialize the new field.
676         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
677         statements marked as unvectorizable.
678
679 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
680
681         * c-common.c (flag_isoc1x): New.
682         (flag_isoc99): Update comment.
683         * c-common.h (flag_isoc1x): New.
684         (flag_isoc99): Update comment.
685         * c-cppbuiltin.c (builtin_define_float_constants): Also define
686         __<type>_DECIMAL_DIG__.
687         * c-opts.c (set_std_c1x): New.
688         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
689         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
690         * c.opt (-std=c1x, -std=gnu1x): New options.
691         * doc/cpp.texi: Mention -std=c1x.
692         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
693         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
694         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
695         * doc/standards.texi: Mention C1X.
696         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
697         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
698         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
699         Define for C1X.
700
701 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
702
703         * config/i386/gmon-sol2.c (_mcleanup): Change format string
704         placeholder from 0x%x to %#x.
705         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
706         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
707         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
708         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
709         * config/i386/i386.c (ix86_target_string): Ditto.
710         (output_pic_addr_const): Ditto.
711         (print_operand): Ditto.
712
713 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
714
715         * combine.c (find_split_point): Add third argument.  Use it
716         to find nested multiply-accumulate instructions.  Adjust calls.
717         (try_combine): Adjust call to find_split_point.
718
719 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
720
721         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
722
723 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
724
725         PR tree-optimization/41442
726         * fold-const.c (merge_truthop_with_opposite_arm): New function.
727         (fold_binary_loc): Call it.
728
729 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
730
731         * toplev.c (general_init): Set default for fdiagnostics-show-option.
732         * opts.c (common_handle_option): Allow disabling it.
733         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
734
735 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
736
737         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
738         between modes if both types are integral.
739
740 2010-04-23  Richard Guenther  <rguenther@suse.de>
741
742         PR tree-optimization/43572
743         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
744
745 2010-04-23  Richard Guenther  <rguenther@suse.de>
746
747         PR lto/43455
748         * tree-inline.c (tree_can_inline_p): Also check compatibility
749         of return types.
750
751 2010-04-23  Martin Jambor  <mjambor@suse.cz>
752
753         PR tree-optimization/43846
754         * tree-sra.c (struct access): New flag grp_assignment_read.
755         (build_accesses_from_assign): Set grp_assignment_read.
756         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
757         (enum mark_read_status): New type.
758         (analyze_access_subtree): Propagate grp_assignment_read, create
759         accesses also if both direct_read and root->grp_assignment_read.
760
761 2010-04-23  Martin Jambor  <mjambor@suse.cz>
762
763         PR middle-end/43835
764         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
765         function does not have type attributes.
766
767 2010-04-23  Richard Guenther  <rguenther@suse.de>
768
769         PR lto/42653
770         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
771         of FUNCTION_DECLs.
772
773 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
774
775         * sese.h (create_if_region_on_edge): Remove.
776
777         * sese.c (create_if_region_on_edge): Make static.
778
779         * tree-inline.c: Do not include ggc.h.
780
781         * expr.c: Do not include ggc.h.
782
783         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
784         dependencies.
785
786 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
787
788         PR target/43744
789         * config/sh/sh.c (find_barrier): Don't emit a constant pool
790         in the middle of insns for casesi_worker_2.
791
792 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
793
794         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
795
796 2010-04-22  Ira Rosen  <irar@il.ibm.com>
797
798         PR tree-optimization/43842
799         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
800         loop unrolling in update of exit phis. Fix comment.
801         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
802         least two reduction statements in the loop before starting SLP
803         analysis.
804
805 2010-04-22  Nick Clifton  <nickc@redhat.com>
806
807         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
808
809 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
810
811         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
812         to simplify a + ~a.
813
814 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
815
816         * tree-parloops.c (loop_parallel_p): New argument
817         parloop_obstack.  Pass it down.
818         (parallelize_loops): New variable parloop_obstack.  Initialize it,
819         pass it down, free it.
820
821         * tree-loop-linear.c (linear_transform_loops): Pass down
822         lambda_obstack.
823
824         * tree-data-ref.h (lambda_compute_access_matrices): New argument
825         of type struct obstack *.
826
827         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
828         scratch_obstack.  Initialize it, pass down, free it.
829
830         * lambda.h (lambda_loop_new): Remove.
831         (lambda_matrix_new, lambda_matrix_inverse)
832         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
833         argument of type struct obstack *.
834
835         * lambda-trans.c (lambda_trans_matrix_new): New argument
836         lambda_obstack.  Pass it down, use obstack allocation for ret.
837         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
838         it down.
839
840         * lambda-mat.c (lambda_matrix_get_column)
841         (lambda_matrix_project_to_null): Remove.
842         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
843         allocation for mat.
844         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
845         lambda_obstack.
846
847         * lambda-code.c (lambda_loop_new): New function.
848         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
849         (lambda_compute_auxillary_space, lambda_compute_target_space)
850         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
851         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
852         (build_access_matrix): New argument lambda_obstack.  Use obstack
853         allocation for am.
854         (lambda_compute_step_signs, lambda_compute_access_matrices): New
855         argument lambda_obstack.  Pass it down.
856
857 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
858
859         * optabs.h (expand_widening_mult): Declare.
860
861 2010-04-22  Richard Guenther  <rguenther@suse.de>
862
863         PR tree-optimization/43845
864         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
865         lookup the CALL_EXPR function and arguments.
866
867 2010-04-22  Nick Clifton  <nickc@redhat.com>
868
869         * config/stormy16/stormy16.c
870         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
871         * config/stormy16/stormy16.h: Tidy up formatting.
872         (DONT_USE_BUILTIN_SETJMP): Remove definition.
873         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
874         (ineqbranchsi): Delete pattern.
875         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
876         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
877         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
878         stormy16-lib2-ucmpsi2.c.
879
880 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
881
882         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
883         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
884         extra set merge_set_noclobber, and use it to relax the final test
885         slightly.
886         * df.h (df_simulate_find_noclobber_defs): Declare.
887         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
888         conditional defs.
889         (df_simulate_find_noclobber_defs): New function.
890
891 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
892
893         * config/i386/i386.md: Use {} around multi-line preparation statements.
894
895 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
896
897         * c-tree.h (push_init_level, pop_init_level, set_init_index)
898         (process_init_element): New argument of type struct obstack *.
899
900         * c-typeck.c (push_init_level, pop_init_level, set_designator)
901         (set_init_index, set_init_label, set_nonincremental_init)
902         (set_nonincremental_init_from_string, find_init_member)
903         (output_init_element, output_pending_init_elements)
904         (process_init_element): New argument braced_init_obstack.  Pass it
905         down.
906         (push_range_stack, add_pending_init): New argument
907         braced_init_obstack.  Use obstack allocation.
908
909         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
910         braced_init_obstack.  Pass it down.
911         (c_parser_braced_init): New variables ret, braced_init_obstack.
912         Initialize obstack, pass it down and finally free it.
913
914 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
915
916         PR middle-end/29274
917         * tree-pass.h (pass_optimize_widening_mul): Declare.
918         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
919         gate_optimize_widening_mul): New static functions.
920         (pass_optimize_widening_mul): New.
921         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
922         <case MULT_EXPR>: Remove support for widening multiplies.
923         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
924         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
925         simplify_gen_unary rather than directly building extensions.
926         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
927         WIDEN_MULT_EXPR.
928         * expmed.c (expand_widening_mult): New function.
929         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
930
931 2010-04-21  Jan Hubicka  <jh@suse.cz>
932
933         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
934         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
935         * lto-wpa-fixup.c: Remove.
936         * Makefile.in (lto-wpa-fixup.o): Remove.
937         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
938         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
939         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
940
941 2010-04-21  Jan Hubicka  <jh@suse.cz>
942
943         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
944         add write_optimization_summary, read_optimization_summary.
945         (ipa_write_summaries_of_cgraph_node_set): Remove.
946         (ipa_write_optimization_summaries): Declare.
947         (ipa_read_optimization_summaries): Declare.
948         * ipa-cp.c (pass_ipa_cp): Update.
949         * ipa-reference.c (pass_ipa_reference): Update.
950         * ipa-pure-const.c (pass_ipa_pure_const): Update.
951         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
952         Update.
953         * ipa-inline.c (pass_ipa_inline): Update.
954         * ipa.c (pass_ipa_whole_program): Update.
955         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
956         * passes.c (ipa_write_summaries_1): Do not test wpa.
957         (ipa_write_optimization_summaries_1): New.
958         (ipa_write_optimization_summaries): New.
959         (ipa_read_summaries): Do not test ltrans.
960         (ipa_read_optimization_summaries_1): New.
961         (ipa_read_optimization_summaries): New.
962
963 2010-04-21  Jan Hubicka  <jh@suse.cz>
964
965         * lto-cgraph.c (lto_output_node): Do not output comdat groups
966         for boundary nodes.
967         (output_cgraph): Do not arrange comdat groups for boundary nodes.
968
969 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
970
971         PR debug/40040
972         * dwarf2out.c (add_name_and_src_coords_attributes): Add
973         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
974
975 2010-04-21  Jan Hubicka  <jh@suse.cz>
976
977         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
978
979 2010-04-21  Jan Hubicka  <jh@suse.cz>
980
981         * varpool.c (decide_is_variable_needed): Variable is always needed
982         during ltrans.
983
984 2010-04-21  Jan Hubicka  <jh@suse.cz>
985
986         * opts.c (decode_options): Enable pure-const pass for whopr.
987
988 2010-04-21  Jan Hubicka  <jh@suse.cz>
989
990         * cgraph.c (dump_cgraph_node): Dump also assembler name.
991         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
992         at WPA dumping.
993         (cgraph_decide_inlining): Do not expect callee to be removed in all
994         cases.
995
996 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
997
998         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
999
1000 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1001
1002         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1003         amdfam10_decode attributes.
1004
1005 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1006
1007         PR middle-end/43570
1008         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1009         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1010         (lower_copyprivate_clauses): Use private var in outer
1011         context instead of original var.  Make sure the types
1012         are correct for VLAs.
1013
1014 2010-04-21  Richard Guenther  <rguenther@suse.de>
1015
1016         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1017         to non-pointer objects.
1018
1019 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1020
1021         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1022         last chain entry if it starts with the still current label.
1023         (add_location_or_const_value_attribute): Check that
1024         loc_list->first->next is NULL instead of comparing ->first with ->last.
1025         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1026         to add_var_loc_to_decl.
1027
1028         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1029         >= 4 add also address size and segment size fields into CIE header.
1030
1031         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1032         long as address size is the same as sizeof (void *) and
1033         segment size is 0.
1034         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1035         address size or segment size is unexpected, return DW_EH_PE_omit.
1036         (classify_object_over_fdes): If get_cie_encoding returned
1037         DW_EH_PE_omit, return -1.
1038         (init_object): If classify_object_over_fdes returned -1,
1039         pretend there were no FDEs at all.
1040
1041 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1042
1043         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1044         bswap{si,di}2 using SWI48 mode iterator.
1045         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1046         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1047         set modrm attribute of bswap insn to 0 and remove length attribute.
1048         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1049         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1050         set mode attribute to <MODE> and remove length attribute.
1051
1052 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1053
1054         PR rtl-optimization/43520
1055         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1056         zero available registers.
1057
1058 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1059
1060         * builtins.c (fold_builtin_cproj): Fold more cases.
1061
1062 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1063
1064         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1065         (fold_builtin_1): Fold builtin cproj.
1066         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1067         Use ATTR_CONST_NOTHROW_LIST.
1068
1069 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1070
1071         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1072         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1073         ffsi2_no_cmove for !TARGET_CMOVE.
1074         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1075         (ffssi2): Remove expander.
1076         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1077         mode iterator.
1078         (ctz<mode>2): Ditto from ctz{si,di}2.
1079         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1080         mode iterator.
1081         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1082         mode iterator.
1083
1084 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1085
1086         * dwarf2out.c (AT_linkage_name): Define.
1087         (clone_as_declaration): Handle DW_AT_linkage_name.
1088         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1089         of DW_AT_MIPS_linkage_name.
1090         (move_linkage_attr): Likewise.
1091         (dwarf2out_finish): Likewise.
1092
1093 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1094
1095         PR middle-end/41952
1096         * fold-const.c (fold_comparison): New folding rule.
1097
1098 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1099
1100         * double-int.h (double_int_setbit): Declare.
1101         * double-int.c (double_int_setbit): New function.
1102         * rtl.h (immed_double_int_const): Declare.
1103         * emit-rtl.c (immed_double_int_const): New function.
1104         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1105         and immed_double_int_const functions.
1106         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1107         expand_copysign_bit):  (Ditto.).
1108         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1109         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1110         * dojump.c (prefer_and_bit_test): (Ditto.).
1111         * expr.c (convert_modes, reduce_to_bit_field_precision,
1112         const_vector_from_tree): (Ditto.).
1113         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1114
1115 2010-04-20  Jan Hubicka  <jh@suse.cz>
1116
1117         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1118         (dump_cgraph_node): Dump new flags.
1119         * cgraph.h (struct cgraph_node): Add flags
1120         reachable_from_other_partition and in_other_partition.
1121         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1122         other partition can not be removed.
1123         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1124         the other partition must be output; silence sanity checking on
1125         leaking functions bodies from other paritition.
1126         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1127         (lto_output_node): Output new flags; do not sanity check that inline
1128         clones are output; drop lto_forced_extern_inline_p code; do not mock
1129         visibility flags at partition boundaries.
1130         (add_node_to): New function.
1131         (output_cgraph): Use it to sort functions so masters appear before
1132         clones.
1133         (input_overwrite_node): Input new flags.
1134         * passes.c (ipa_write_summaries): Do not call
1135         lto_new_extern_inline_states.
1136         * lto-section-out.c (forced_extern_inline,
1137         lto_new_extern_inline_states lto_delete_extern_inline_states,
1138         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1139         * lto-streamer.h (lto_new_extern_inline_states,
1140         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1141         lto_forced_extern_inline_p): Kill.
1142
1143 2010-04-20  Richard Guenther  <rguenther@suse.de>
1144
1145         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1146         from vars that can have pointers.
1147         (process_constraint): Dump useless constraints.
1148
1149 2010-04-20  Richard Guenther  <rguenther@suse.de>
1150
1151         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1152         (dump_sa_points_to_info): Remove asserts.
1153         (init_base_vars): nothing_id isn't an escape point nor does it
1154         have pointers.
1155
1156 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1157
1158         * tree.h (TYPE_REF_IS_RVALUE): Define.
1159         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1160         should_move_die_to_comdat, prune_unused_types_walk): Handle
1161         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1162         (modified_type_die, gen_reference_type_die): Emit
1163         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1164         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1165
1166 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1167
1168         PR target/43635
1169         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1170         calls for -fpic -m31 if they have been sibcall optimized.
1171
1172 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1173
1174         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1175         ar.lc fixed and call-used.
1176
1177         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1178
1179 2010-04-19  Jan Hubicka  <jh@suse.cz>
1180
1181         * opts.c (decode_options): Disable whpr incompatible passes.
1182         * lto/lto.c (lto_1_to_1_map): Skip clones.
1183         (read_cgraph_and_symbols): Do not mark everything as needed.
1184         (do_whole_program_analysis): Do map only after optimizing;
1185         set proper cgraph_state; use passmanager.
1186
1187 2010-04-19  DJ Delorie  <dj@redhat.com>
1188
1189         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1190         POINTER_PLUS_EXPR and fix them.
1191
1192 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1193
1194         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1195         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1196         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1197         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1198         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1199         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1200         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1201         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1202         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1203         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1204         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1205
1206 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1207
1208         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1209         (check_cond_move_block): Likewise.
1210         (cond_move_process_if_block): Likewise.
1211         (noce_find_if_block): Improve formatting.
1212         (find_if_header): Pass 0 to memset and tweak conditions.
1213         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1214
1215 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1216
1217         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1218         for -gdwarf-4.
1219
1220         PR middle-end/43337
1221         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1222         with non-local decl doesn't need chain.
1223
1224 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1225
1226         * ira-color.c (allocno_reload_assign): Avoid accumulating
1227         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1228
1229 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1230
1231         * gimple.h (create_tmp_reg): Declare.
1232         * gimplify.c (create_tmp_reg): New function.
1233         (gimplify_return_expr): Use create_tmp_reg.
1234         (gimplify_omp_atomic): Likewise.
1235         (gimple_regimplify_operands): Likewise.
1236         * tree-dfa.c (make_rename_temp): Likewise.
1237         * tree-predcom.c (predcom_tmp_var): Likewise.
1238         (reassociate_to_the_same_stmt): Likewise.
1239         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1240         (get_replaced_param_substitute): Likewise.
1241         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1242         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1243         * tree-ssa-pre.c (get_representative_for): Likewise.
1244         (create_expression_by_pieces): Likewise.
1245         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1246         (create_tailcall_accumulator): Likewise.
1247
1248 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1249
1250         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1251         new_stmt.
1252         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1253
1254 2010-04-19  Richard Guenther  <rguenther@suse.de>
1255
1256         PR tree-optimization/43796
1257         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1258         from SCEV in the lattice.
1259         (vrp_visit_phi_node): Dump change.
1260
1261 2010-04-19  Richard Guenther  <rguenther@suse.de>
1262
1263         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1264         * configure: Re-generated.
1265
1266 2010-04-19  Richard Guenther  <rguenther@suse.de>
1267
1268         PR tree-optimization/43783
1269         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1270         constant ARRAY_REF operands two and three if possible.
1271
1272 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1273
1274         PR target/43766
1275         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1276
1277 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1278
1279         PR target/43662
1280         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1281
1282 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1283
1284         PR tree-optimization/37027
1285         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1286         and macro to access it.
1287         (vectorizable_reduction): Add argument.
1288         (vect_get_slp_defs): Likewise.
1289         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1290         statements for possible use in SLP.
1291         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1292         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1293         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1294         add new argument.
1295         (vectorizable_reduction): Likewise.
1296         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1297         vect_get_slp_defs.
1298         (vectorizable_type_demotion, vectorizable_type_promotion,
1299         vectorizable_store): Likewise.
1300         (vect_analyze_stmt): Update call to vectorizable_reduction.
1301         (vect_transform_stmt): Likewise.
1302         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1303         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1304         from different interleaving chains in same node.
1305         (vect_slp_rearrange_stmts): New function.
1306         (vect_supported_load_permutation_p): Allow load permutations for
1307         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1308         inside SLP nodes if necessary.
1309         (vect_analyze_slp_instance): Handle reductions.
1310         (vect_analyze_slp): Try to build SLP instances originating from groups
1311         of reductions.
1312         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1313         (vect_get_constant_vectors): Create initial vectors for reductions
1314         according to reduction code. Add new argument.
1315         (vect_get_slp_defs): Add new argument, pass it to
1316         vect_get_constant_vectors.
1317         (vect_schedule_slp_instance): Remove SLP tree root statements.
1318
1319 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1320
1321         * tree.h (ENUM_IS_SCOPED): Define.
1322         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1323         for ENUM_IS_SCOPED enums.
1324
1325 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1326
1327         * fold-const.c (fold_comparison): Use ssizetype.
1328         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1329         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1330         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1331         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1332
1333         * tree.h (initialize_sizetypes): Remove parameter.
1334         (build_common_tree_nodes): Remove second parameter.
1335         * stor-layout.c (initialize_sizetypes): Remove parameter.
1336         Always create an unsigned type.
1337         (set_sizetype): Assert that the passed type is unsigned and simplify.
1338         * tree.c (build_common_tree_nodes): Remove second parameter.
1339         Adjust call to initialize_sizetypes.
1340         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1341         build_common_tree_nodes.
1342
1343 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1344
1345         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1346
1347 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1348
1349         PR tree-optimization/43771
1350         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1351         load permutation doesn't have gaps.
1352
1353 2010-04-18  Jan Hubicka  <jh@suse.cz>
1354
1355         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1356         (sse_prologue_save_insn expander): Use new pattern.
1357         (sse_prologue_save_insn1): New pattern and splitter.
1358         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1359         blocks.
1360         * i386.c (setup_incoming_varargs_64): Do not compute jump
1361         destination here.
1362         (ix86_gimplify_va_arg): Update alignment needed.
1363         (ix86_local_alignment): Do not align all local arrays to 128bit.
1364
1365 2010-04-17  Jan Hubicka  <jh@suse.cz>
1366
1367         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1368
1369 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1370
1371         * arm.md (negdi2): Remove redundant code to force values into a
1372         register.
1373
1374 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1375
1376         * arm/bpabi.S: Add EABI alignment attributes to objects.
1377         * arm/bpabi-v6m.S: Likewise.
1378         * arm/crti.asm: Likewise.
1379         * arm/crtn.asm: Likewise.
1380         * arm/lib1funcs.asm: Likewise.
1381         * arm/libunwind.S: Likewise.
1382
1383 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1384
1385         * arm-protos.h (tune_params): New structure.
1386         * arm.c (current_tune): New variable.
1387         (arm_constant_limit): Delete.
1388         (struct processors): Add pointer to the tune parameters.
1389         (arm_slowmul_tune): New tuning option.
1390         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1391         (all_cores): Adjust to pick up the tuning model.
1392         (arm_constant_limit): New function.
1393         (arm_override_options): Select the appropriate tuning model.  Delete
1394         initialization of arm_const_limit.
1395         (arm_split_constant): Use the new constant-limit model.
1396         (arm_rtx_costs): Pick up the current tuning model.
1397         * arm.md (is_strongarm, is_xscale): Delete.
1398         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1399         for Xscale variant architectures.
1400         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1401
1402 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1403
1404         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1405         can_shift.
1406         (arm_rtx_costs_1): Remove unused variable extra_cost.
1407         (arm_unwind_emit_set): Use variable offset.
1408         (thumb1_output_casesi): Remove unused variable flags.
1409
1410 2010-04-16  Jeff Law  <law@redhat.com>
1411
1412         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1413         needing assignment rather than doing a two-phase assignment.  Remove
1414         unused variable 'm'.
1415
1416 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1417
1418         PR bootstrap/43767
1419         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1420
1421 2010-04-16  Doug Kwan  <dougkwan@google.com>
1422
1423         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1424         (next_operand_entry_id): New static variable.
1425         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1426         (add_to_ops_vec): Assigned unique ID to operand entry.
1427         (struct oecount_s): New field ID.
1428         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1429         (undistribute_ops_list): Assign unique IDs to oecounts.
1430         (init_reassoc): reset next_operand_entry_id.
1431
1432 2010-04-16  Doug Kwan  <dougkwan@google.com>
1433
1434         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1435         missing left parenthesis.
1436
1437 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1438
1439         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1440         *btdi_rex64 using SWI48 mode iterator.
1441         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1442         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1443         *jcc_btdi_mask_rex64.
1444
1445 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1446
1447         * double-int.h (tree_to_double_int): Convert to macro.
1448         * double-int.c (tree_to_double_int): Remove.
1449
1450 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1451
1452         PR debug/43762
1453         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1454         with want_address 2 and in case a single element list might be
1455         possible, call it again with want_address 0.
1456
1457 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1458
1459         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1460         case 'W' print operands for HI mode.
1461         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1462         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1463         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1464         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1465
1466         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1467
1468         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1469         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1470         #xx:3 and #xx:4 mode.
1471
1472         * config/h8300/h8300.md (inverted load with HImode dest): Add
1473         support for H8300SX.
1474
1475         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1476         satisfy 'U' constraint.
1477
1478 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1479
1480         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1481         * configure: Regenerate.
1482         * config.in: Regenerate.
1483         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1484         works.
1485
1486 2010-04-16  Richard Guenther  <rguenther@suse.de>
1487
1488         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1489         (struct tree_decl_common): ... here.
1490         (DECL_PT_UID): Adjust.
1491         (SET_DECL_PT_UID): Likewise.
1492         (DECL_PT_UID_SET_P): Likewise.
1493
1494 2010-04-16  Richard Guenther  <rguenther@suse.de>
1495
1496         PR tree-optimization/43572
1497         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1498         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1499         * tree-flow.h (is_call_clobbered): Remove.
1500         * tree-flow-inline.h (is_call_clobbered): Likewise.
1501         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1502         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1503         (execute_return_slot_opt): Adjust.
1504         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1505         check for call clobbered vars here.
1506         (find_tail_calls): Move tailcall verification to the
1507         proper place.
1508
1509 2010-04-16  Diego Novillo  <dnovillo@google.com>
1510
1511         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1512
1513 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1514
1515         PR target/40603
1516         * config/arm/arm.md (cbranchqi4): New pattern.
1517         * config/arm/predicates.md (const0_operand,
1518         cbranchqi4_comparison_operator): New predicates.
1519
1520 2010-04-16  Richard Guenther  <rguenther@suse.de>
1521
1522         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1523         (dump_gimple_stmt): Likewise.
1524
1525 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1526
1527         * recog.h (struct recog_data): New field is_operator.
1528         (struct insn_operand_data): New field is_operator.
1529         * recog.c (extract_insn): Set recog_data.is_operator.
1530         * genoutput.c (output_operand_data): Emit code to set the
1531         is_operator field.
1532         * reload.c (find_reloads): Use it rather than testing for an
1533         empty constraint string.
1534
1535         PR target/41514
1536         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1537         If the previous insn is a cbranchsi4_insn with the same arguments,
1538         omit the compare instruction.
1539
1540         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1541         register, inputs must be low registers and we need a low register
1542         scratch.  Handle alternative 2 like alternative 3.
1543
1544 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1545
1546         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1547         don't call get_addr on both.  If one expression is a VALUE and
1548         the other a REG, check VALUE's locs if the REG isn't among them.
1549
1550 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1551
1552         * config/sh/sh.h (sh_frame_pointer_required): New function.
1553         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1554         (flag_omit_frame_pointer) Set.
1555         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1556         (rounded_frame_size): Adjust size with outgoing_args_size.
1557         (sh_set_return_address): Must return from stack pointer.
1558         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1559         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1560         (ACCUMULATE_OUTGOING_ARGS): Define.
1561         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1562         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1563
1564 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1565
1566         PR target/43471
1567         * config/sh/sh.c (sh_legitimize_reload_address): Use
1568         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1569         Remove a unneeded check for offset_base.
1570
1571 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1572
1573         * configure: Regenerated.
1574
1575 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1576
1577         * config/s390/s390.c (s390_call_save_register_used): Switch back
1578         to HARD_REGNO_NREGS.
1579
1580 2010-04-15  Richard Guenther  <rguenther@suse.de>
1581
1582         * alias.c (alias_set_subset_of): Handle alias-set zero
1583         child properly.
1584
1585 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1586             Julian Brown  <julian@codesourcery.com>
1587
1588         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1589         alternatives according to use of high and low regs.
1590         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1591         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1592         optimizing for size on Thumb-2.
1593
1594 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1595
1596         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1597
1598 2010-04-15  Richard Guenther  <rguenther@suse.de>
1599
1600         * tree-ssa-structalias.c (struct variable_info): Add
1601         is_fn_info flag.
1602         (new_var_info): Initialize it.
1603         (dump_constraints): Support printing last added constraints.
1604         (debug_constraints): Adjust.
1605         (dump_constraint_graph): Likewise.
1606         (make_heapvar_for): Check for NULL cfun.
1607         (get_function_part_constraint): New function.
1608         (get_fi_for_callee): Likewise.
1609         (find_func_aliases): Properly implement IPA PTA constraints.
1610         (process_ipa_clobber): New function.
1611         (find_func_clobbers): Likewise.
1612         (insert_into_field_list_sorted): Remove.
1613         (create_function_info_for): Properly allocate vars for IPA mode.
1614         Do not use insert_into_field_list_sorted.
1615         (create_variable_info_for): Properly generate constraints for
1616         global vars in IPA mode.
1617         (dump_solution_for_var): Always dump the solution.
1618         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1619         (find_what_var_points_to): Adjust.
1620         (pt_solution_set): Change.
1621         (pt_solution_ior_into): New function.
1622         (pt_solution_empty_p): Export.
1623         (pt_solution_includes_global): Adjust.
1624         (pt_solution_includes_1): Likewise.
1625         (pt_solutions_intersect_1): Likewise.
1626         (dump_sa_points_to_info): Check some invariants.
1627         (solve_constraints): Move constraint dumping ...
1628         (compute_points_to_sets): ... here.
1629         (ipa_pta_execute): ... and here.
1630         (compute_may_aliases): Do not re-compute points-to info
1631         locally if IPA info is available.
1632         (ipa_escaped_pt): New global var.
1633         (ipa_pta_execute): Properly implement IPA PTA.
1634         * tree-into-ssa.c (dump_decl_set): Support dumping
1635         decls not in referenced-vars.
1636         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1637         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1638         (dump_points_to_solution): Likewise.
1639         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1640         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1641         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1642         (copy_decl_to_var): Copy DECL_PT_UID.
1643         (copy_result_decl_to_var): Likewise.
1644         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1645         (copy_node_stat): Copy it.
1646         * tree.h (DECL_PT_UID): New macro.
1647         (SET_DECL_PT_UID): Likewise.
1648         (DECL_PT_UID_SET_P): Likewise.
1649         (struct tree_decl_minimal): Add pt_uid member.
1650         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1651         (pt_solution_empty_p): Declare.
1652         (pt_solution_set): Adjust.
1653         (ipa_escaped_pt): Declare.
1654         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1655         * gimple-pretty-print.c (pp_points_to_solution): New function.
1656         (dump_gimple_call): Dump call clobber/use information.
1657         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1658         * tree-pass.h (TDF_ALIAS): New dump option.
1659         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1660         * doc/invoke.texi (-fipa-pta): Update documentation.
1661
1662 2010-04-15  Richard Guenther  <rguenther@suse.de>
1663
1664         * Makefile.in (OBJS-common): Add gimple-fold.o.
1665         (gimple-fold.o): New rule.
1666         * tree.h (maybe_fold_offset_to_reference,
1667         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1668         prototypes ...
1669         * gimple.h: ... here.
1670         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1671         may_propagate_address_into_dereference): Move prototypes ...
1672         * gimple.h: ... here.
1673         * tree-ssa-ccp.c (get_symbol_constant_value,
1674         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1675         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1676         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1677         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1678         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1679         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1680         gimplify_and_update_call_from_tree): Move ...
1681         * gimple-fold.c: ... here.  New file.
1682         (ccp_fold_builtin): Rename to ...
1683         (gimple_fold_builtin): ... this.
1684         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1685
1686 2010-04-15  Richard Guenther  <rguenther@suse.de>
1687
1688         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1689         fit_double_type, force_fit_type_double, add_double_with_sign,
1690         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1691         lrotate_double, rrotate_double, div_and_round_double): Move ...
1692         * double-int.c: ... here.
1693         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1694         add_double, neg_double, mul_double_with_sign, mul_double,
1695         lshift_double, rshift_double, lrotate_double, rrotate_double,
1696         div_and_round_double): Move prototypes ...
1697         * double-int.h: ... here.
1698
1699 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1700
1701         PR target/43742
1702         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1703         matching constraints to ensure inputs match the output.
1704
1705 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1706
1707         PR target/43742
1708         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1709         in an input-only operand.
1710
1711 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1712
1713         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1714         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1715         (double_int_negative_p): Convert to static inline function.
1716         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1717         (double_int_negative_p): Remove.
1718         * tree.h (lshift_double, rshift_double):
1719         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1720         * fold-const.c (fold_convert_const_int_from_real,
1721         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1722         (lshift_double): Change type of arith argument to bool.
1723         (rshift_double): Change type of arith argument to bool. Correct
1724         comment.
1725         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1726
1727 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1728
1729         PR target/21803
1730         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1731         at the start and end of the then/else blocks, and omit them from the
1732         conversion.
1733         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1734         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1735         (flow_find_head_matching_sequence): New function.
1736         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1737         * basic-block.h (flow_find_cross_jump,
1738         flow_find_head_matching_sequence): Declare functions.
1739
1740 2010-04-14  Jason Merrill  <jason@redhat.com>
1741
1742         PR c++/36625
1743         * c-common.c (attribute_takes_identifier_p): New fn.
1744         * c-common.h: Declare it.
1745
1746 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1747
1748         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1749         splitter condition.
1750         (*udivmod<mode>4): Ditto.
1751
1752 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1753
1754         * config/i386/i386.md (maxmin_int): Rename code attribute from
1755         maxminiprefix and update all users.
1756         (maxmin_float): Ditto from maxminfprefix.
1757         (logic): Ditto from logicprefix.
1758         (absneg_mnemonic): Ditto from absnegprefix.
1759         * config/i386/mmx.md: Update all users of maxminiprefix,
1760         maxminfprefix and logicprefix for rename.
1761         * config/i386/sse.md: Ditto.
1762         * config/i386/sync.md (sync_<code><mode>): Update for
1763         logicprefix rename.
1764
1765 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1766
1767         PR 42966
1768         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1769         warnings converted to errors.
1770
1771 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1772
1773         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1774         used insn_type variable.
1775         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1776         to avoid set-but-not-used warning.
1777
1778 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1779
1780         * df-core.c (df_ref_debug): Change format string placeholder
1781         from 0x%x to %#x.
1782         * dwarf2asm.c (dw2_asm_output_data_raw,
1783         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1784         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1785         * dwarf2out.c (output_cfi, output_cfi_directive,
1786         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1787         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1788         Ditto.
1789         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1790         * print-rtl.c (print_rtx): Ditto.
1791
1792 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1793
1794         PR middle-end/42694
1795         * builtins.c (expand_builtin_pow_root): New function to expand pow
1796         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1797         series of sqrt and cbrt calls under -ffast-math.
1798         (expand_builtin_pow): Call it.
1799
1800 2010-04-14  Michael Matz  <matz@suse.de>
1801
1802         PR tree-optimization/42963
1803         * tree-cfg.c (touched_switch_bbs): New static variable.
1804         (group_case_labels_stmt): New function broken out from ...
1805         (group_case_labels): ... here, use the above.
1806         (start_recording_case_labels): Allocate touched_switch_bbs.
1807         (end_recording_case_labels): Deallocate it, call
1808         group_case_labels_stmt.
1809         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1810
1811 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1812
1813         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1814         from insn template.
1815
1816 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1817
1818         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1819
1820 2010-04-13  Jan Hubicka  <jh@suse.cz>
1821
1822         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1823         of optimized out static functions.
1824         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1825         cost computation.  Also sanity check for overflows.
1826         (update_caller_keys): Update cgraph_edge_badness call; properly
1827         update fibheap and sanity check that it is up to date.
1828         (add_new_edges_to_heap): Update cgraph_edge_badness.
1829         (cgraph_decide_inlining_of_small_function): Likewise;
1830         add sanity checking that badness in heap is up to date;
1831         improve dumping of reason; Update badness of calls to the
1832         offline copy of function currently inlined; dump badness
1833         of functions not inlined because of unit growth limits.
1834
1835 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1836
1837         PR middle-end/32628
1838         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1839         because of sign-extension change when converting to sizetype here...
1840         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1841
1842         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1843         the folding to constants.  Remove redundant final conversion.
1844         (fold_binary) <associate>: Do not associate if the re-association of
1845         constants alone overflows.
1846         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1847         to the end of the list.
1848         (multiple_of_p) <COND_EXPR>: New case.
1849
1850 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1851
1852         * opt-functions.awk (opt_sanitized_name): New.
1853         (opt_enum): New.
1854         * optc-gen.awk: Use it
1855         * opth-gen.awk: Use it.
1856
1857 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1858
1859         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1860         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1861         children.  Call replace_uses_with_default_def_ssa_name to handle
1862         SSA_NAES on lhs.
1863
1864 2010-04-13  Michael Matz  <matz@suse.de>
1865
1866         PR middle-end/43730
1867         * builtins.c (expand_builtin_interclass_mathfn): Also create
1868         a register if the predicate doesn't match.
1869
1870 2010-04-13  Diego Novillo  <dnovillo@google.com>
1871
1872         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1873         * c-pch.c: Include timevar.h.
1874         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1875         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1876         * ggc-common.c: Include timevar.h.
1877         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1878         * timevar.def (TV_PCH_SAVE): Define.
1879         (TV_PCH_CPP_SAVE): Define.
1880         (TV_PCH_PTR_REALLOC): Define.
1881         (TV_PCH_PTR_SORT): Define.
1882         (TV_PCH_RESTORE): Define.
1883         (TV_PCH_CPP_RESTORE): Define.
1884
1885 2010-04-13  Michael Matz  <matz@suse.de>
1886
1887         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1888         into MINUS_EXPRs.
1889         (can_reassociate_p): New function.
1890         (break_up_subtract_bb, reassociate_bb): Use it.
1891
1892 2010-04-13  Richard Guenther  <rguenther@suse.de>
1893
1894         PR bootstrap/43737
1895         * builtins.c (c_readstr): Fix assert.
1896
1897 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1898
1899         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1900         when generating cltd insn.
1901
1902         (*ashl<mode>3_1): Remove special handling for register operand 2.
1903         (*ashlsi3_1_zext): Ditto.
1904         (*ashlhi3_1): Ditto.
1905         (*ashlhi3_1_lea): Ditto.
1906         (*ashlqi3_1): Ditto.
1907         (*ashlqi3_1_lea): Ditto.
1908         (*<shiftrt_insn><mode>3_1): Ditto.
1909         (*<shiftrt_insn>si3_1_zext): Ditto.
1910         (*<shiftrt_insn>qi3_1_slp): Ditto.
1911         (*<rotate_insn><mode>3_1): Ditto.
1912         (*<rotate_insn>si3_1_zext): Ditto.
1913         (*<rotate_insn>qi3_1_slp): Ditto.
1914
1915 2010-04-13  Richard Guenther  <rguenther@suse.de>
1916
1917         * tree-ssa-structalias.c (callused_id): Remove.
1918         (call_stmt_vars): New.
1919         (get_call_vi): Likewise.
1920         (lookup_call_use_vi): Likewise.
1921         (lookup_call_clobber_vi): Likewise.
1922         (get_call_use_vi): Likewise.
1923         (get_call_clobber_vi): Likewise.
1924         (make_transitive_closure_constraints): Likewise.
1925         (handle_const_call): Adjust to do per-call call-used handling.
1926         (handle_pure_call): Likewise.
1927         (find_what_var_points_to): Remove general callused handling.
1928         (init_base_vars): Likewise.
1929         (init_alias_vars): Initialize call_stmt_vars.
1930         (compute_points_to_sets): Process call-used and call-clobbered
1931         vars for call statements.
1932         (delete_points_to_sets): Free call_stmt_vars.
1933
1934 2010-04-13  Richard Guenther  <rguenther@suse.de>
1935
1936         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1937         Only add RW dependence for dependence distance zero.
1938         Adjust maximal vectorization factor according to dependences.
1939         Move alignment handling ...
1940         (vect_find_same_alignment_drs): ... here.  New function.
1941         (vect_analyze_data_ref_dependences): Adjust.
1942         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1943         (vect_analyze_data_refs): Adjust minimal vectorization factor
1944         according to data references.
1945         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1946         dependences before determining the vectorization factor.
1947         Analyze alignment after determining the vectorization factor.
1948         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1949         dependences before alignment.
1950         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1951         Adjust prototype.
1952         (vect_analyze_data_refs): Likewise.
1953         (MAX_VECTORIZATION_FACTOR): New define.
1954
1955 2010-04-13  Duncan Sands  <baldrick@free.fr>
1956
1957         * except.h (lang_eh_type_covers): Remove.
1958         * except.c (lang_eh_type_covers): Likewise.
1959
1960 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1961             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1962
1963         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1964         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1965         UNITS_PER_LONG where it is ABI relevant.
1966         (s390_return_addr_rtx): Likewise.
1967         (s390_back_chain_rtx): Likewise.
1968         (s390_frame_area): Likewise.
1969         (s390_frame_info): Likewise.
1970         (s390_initial_elimination_offset): Likewise.
1971         (save_gprs): Likewise.
1972         (s390_emit_prologue): Likewise.
1973         (s390_emit_epilogue): Likewise.
1974         (s390_function_arg_advance): Likewise.
1975         (s390_function_arg): Likewise.
1976         (s390_va_start): Likewise.
1977         (s390_gimplify_va_arg): Likewise.
1978         (s390_function_profiler): Likewise.
1979         (s390_optimize_prologue): Likewise.
1980         (s390_rtx_costs): Likewise.
1981         (s390_secondary_reload): Likewise.
1982         (s390_promote_function_mode): Likewise.
1983         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1984         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1985         registers available.
1986         (s390_unwind_word_mode): New function.
1987         (s390_function_value): Split 64 bit values into register pair if
1988         used as return value.
1989         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1990         function call parameters.  Handle parallels.
1991         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1992         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1993         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1994         (s390_expand_setmem): Remove unused variable src_addr.
1995         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1996         deal with 64 bit registers.
1997         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1998         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1999         (UNITS_PER_LONG): New macro.
2000         * libjava/include/s390-signal.h: Define extended ucontext
2001         structure containing the upper halfs of the 64 bit registers.
2002
2003 2010-04-13  Simon Baldwin  <simonb@google.com>
2004
2005         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2006
2007 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2008
2009         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2010         rvalue on the RHS if the LHS is of a non-renamable type.
2011         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2012
2013 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2014
2015         * gcc.c (cc1_options): Handle -iplugindir before processing
2016         the cc1 spec. Only add -iplugindir once.
2017         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2018         found.
2019         * common.opt (iplugindir): Remove `Separate' property, initialize.
2020         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2021         option.
2022         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2023         (distclean): Remove plugin dir.
2024         * doc/invoke.texi: Document -iplugindir.
2025
2026 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2027
2028         * doc/plugins.texi (Loading Plugins): Document short
2029         -fplugin=foo option.
2030         (Plugin API): Mention default_plugin_dir_name function.
2031
2032         * gcc.c (find_file_spec_function): Add new declaration.
2033         (static_spec_func): Use it for "find-file".
2034         (find_file_spec_function): Add new function.
2035         (cc1_options): Add -iplugindir option if -fplugin* options found.
2036
2037         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2038
2039         * plugin.c (add_new_plugin): Updated comment, and handle short
2040         plugin name.
2041         (default_plugin_dir_name): Added new function.
2042
2043         * common.opt (iplugindir): New option to set the plugin directory.
2044
2045 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2046
2047         * config/i386/i386.md (any_rotate): New code iterator.
2048         (rotate_insn): New code attribute.
2049         (rotate): Ditto.
2050         (SWIM124): New mode iterator.
2051         (<rotate_insn>ti3): New expander.
2052         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2053         any_rotate code iterator.
2054         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2055         using any_rotate code iterator and SWIM124 mode iterator.
2056         (ix86_rotlti3): New insn_and_split pattern.
2057         (ix86_rotrti3): Ditto.
2058         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2059         ix86_rotl{di,ti}3 patterns.
2060         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2061         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2062         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2063         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2064         code iterator and SWI mode iterator.
2065         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2066         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2067         code iterator.
2068         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2069         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2070         (bswap rotatert splitter): Add splitter.
2071         (bswap splitter): Macroize splitter using any_rotate code iterator.
2072         Add insn predicate to split only for TARGET_USE_XCHGB or when
2073         optimizing function for size.
2074
2075 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2076
2077         * config/pa/pa.c (emit_move_sequence): Remove use of
2078         deleted variable flag_argument_noalias.
2079
2080 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2081
2082         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2083         configurations.
2084         Add to unsupported targets list.
2085         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2086         sparc*-sun-solaris2.[567]* from target lists.
2087         * configure: Regenerate.
2088         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2089         removal.
2090         Remove Solaris 7 patch references.
2091         (Specific, sparc-sun-solaris2.7): Removed.
2092         (sparc-sun-solaris2*): Update Solaris 7 example.
2093         (sparc64-*-solaris2*): Likewise.
2094
2095 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2096
2097         * config.build (alpha*-dec-osf4*): Remove.
2098         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2099         of obsolete configurations.
2100         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2101         support.
2102         * config/alpha/t-osf4: Renamed to ...
2103         * config/alpha/t-osf5: ... this.
2104         * config/alpha/osf.h: Renamed to ...
2105         * config/alpha/osf5.h: ... this.
2106         Merged old osf5.h contents.
2107         Update comments.
2108         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2109         (EXTRA_SPECS): Removed.
2110         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2111         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2112         Document that.
2113
2114 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2115
2116         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2117
2118 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2119
2120         PR/43702
2121         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2122         __thiscall convention.
2123
2124 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2125
2126         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2127         orig_base.
2128         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2129
2130 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2131
2132         * function.c (assign_parms_initialize_all): Add unused attribute
2133         to fntype.
2134
2135 2010-04-12  Richard Guenther  <rguenther@suse.de>
2136
2137         * gsstruct.def (GSS_CALL): New.
2138         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2139         * gimple.h: Include tree-ssa-alias.h.
2140         (struct gimple_statement_call): New.
2141         (union gimple_statement_struct_d): Add gimple_call member.
2142         (gimple_call_reset_alias_info): Declare.
2143         (gimple_call_use_set): New function.
2144         (gimple_call_clobber_set): Likewise.
2145         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2146         * gimple.c (gimple_call_reset_alias_info): New function.
2147         (gimple_build_call_1): Call it.
2148         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2149         * tree-inline.c (remap_gimple_stmt): Likewise.
2150         (expand_call_inline): Remove callused handling.
2151         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2152         * tree-dfa.c (dump_variable): Likewise.
2153         * tree-parloops.c (parallelize_loops): Likewise.
2154         * tree-ssa.c (init_tree_ssa): Likewise.
2155         (delete_tree_ssa): Likewise.
2156         * tree-flow-inline.h (is_call_used): Remove.
2157         * tree-flow.h (struct gimple_df): Remove callused member.
2158         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2159         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2160         (ref_maybe_used_by_call_p_1): Simplify.
2161         (call_may_clobber_ref_p_1): Likewise.
2162         * tree-ssa-structalias.c (compute_points_to_sets): Set
2163         the call stmt used and clobbered sets.
2164         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2165         (find_tail_calls): Verify the tail call.
2166
2167 2010-04-12  Richard Guenther  <rguenther@suse.de>
2168
2169         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2170         single-iteration always-inline inlining.
2171         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2172         (cgraph_decide_inlining): Do not handle always-inline specially.
2173         (try_inline): Remove always-inline cycle detection special case.
2174         Do not recurse on always-inlines.
2175         (cgraph_early_inlining): Do not iterate if not optimizing.
2176         (cgraph_gate_early_inlining): remove.
2177         (pass_early_inline): Run unconditionally.
2178         (gate_cgraph_decide_inlining): New function.
2179         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2180         not inlining or optimizing.
2181         (cgraph_decide_inlining_of_small_functions): Also consider
2182         always-inline functions.
2183         (cgraph_default_inline_p): Return true for nodes which should
2184         disregard inline limits.
2185         (estimate_function_body_sizes): Assume zero size and time for
2186         nodes which are marked as disregarding inline limits.
2187         (cgraph_decide_recursive_inlining): Do not perform recursive
2188         inlining on always-inline nodes.
2189
2190 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2191
2192         PR bootstrap/43699
2193         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2194         for exprs satisfying handled_component_p.
2195
2196 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2197
2198         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2199         non-constant aggregate elements.
2200
2201         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2202         is a real initialization.
2203
2204 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2205
2206         PR c/36774
2207         * c-decl.c (start_function): Move forward check for nested function.
2208
2209 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2210
2211         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2212         * config/sh/sh.c: Include reload.h.
2213         (sh_legitimize_reload_address): New.
2214         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2215         sh_legitimize_reload_address.
2216
2217 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2218
2219         * config/sh/sh.md (*movqi_pop): New insn pattern.
2220         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2221
2222 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2223
2224         * config/i386/i386.md (any_shiftrt): New code iterator.
2225         (shiftrt_insn): New code attribute.
2226         (shiftrt): Ditto.
2227         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2228         using any_shiftrt code iterator.
2229         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2230         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2231         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2232         pattern from corresponding peephole2 patterns.
2233         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2234         using any_shiftrt code iterator.
2235         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2236         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2237         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2238         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2239         *{ashr,lshr}<mode>3_cmp_zext.
2240         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2241
2242 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2243
2244         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2245         scratch register.
2246         (*lshr<mode>3_cconly): Ditto.
2247
2248 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2249
2250         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2251         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2252         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2253         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2254         DWI mode iterator.
2255         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2256         from corresponding peephole2 patterns.
2257         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2258         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2259         and *lshrdi3_1_rex64 using SWI mode iterator.
2260         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2261         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2262         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2263         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2264         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2265         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2266         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2267         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2268         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2269         SWI mode iterator.
2270
2271 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2272
2273         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2274         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2275         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2276         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2277         DWI mode iterator.
2278         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2279         from corresponding peephole2 patterns.
2280         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2281         (ashrsi3_cvt): Rename from ashrsi3_31.
2282         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2283         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2284         and x86_64_shift_adj_3 using SWI48 mode iterator.
2285         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2286         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2287         and *ashrdi3_1_rex64 using SWI mode iterator.
2288         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2289         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2290         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2291         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2292         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2293         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2294         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2295         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2296         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2297         SWI mode iterator.
2298         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2299         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2300         x86_shift<mode>_adj_3 expanders.
2301
2302 2010-04-10  Wei Guozhi  <carrot@google.com>
2303
2304         PR target/42601
2305         * config/arm/arm.c (arm_pic_static_addr): New function.
2306         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2307         a static symbol.
2308         (arm_output_addr_const_extra): Output expression for new pattern.
2309         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2310
2311 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2312
2313         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2314         not enabled.
2315
2316         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2317         * web.c: Include "insn-config.h" and "recog.h".
2318         (union_match_dups): New function.
2319         (web_main): Call it.
2320         (union_defs): Don't try to recognize match_dups.
2321
2322         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2323         if doing so would replace the entire pattern.
2324
2325 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2326
2327         PR target/43707
2328         PR target/43709
2329         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2330         and splitter pattern.  Change splitter operand 1 predicate to
2331         nonmemory_operand.
2332
2333 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2334
2335         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2336         lattices are addresses of CONST_DECLs with the same initial value.
2337         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2338         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2339
2340 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2341             Bernd Schmidt  <bernds@codesourcery.com>
2342
2343         * loop-invariant.c (replace_uses): New static function.
2344         (move_invariant_reg): Use it to ensure we can replace the uses.
2345
2346 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2347
2348         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2349         function template.
2350         (picochip_override_options): Enable section anchors only above -O1.
2351         (picochip_reorg): Fixed a couple of build warnings.
2352
2353 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2354
2355         * configure.ac (plugin -rdynamic test): Log result.
2356         * configure: Regenerate.
2357         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2358         (RDYNAMIC_SPEC): Define.
2359         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2360
2361 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2362
2363         * configure.ac: Determine Sun ld version numbers.
2364         (comdat_group): Restrict GNU ld version checks to gld.
2365         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2366         (enable_comdat): Support --enable-comdat.
2367         * configure: Regenerate.
2368         * doc/install.texi (Configuration): Document --enable-comdat.
2369
2370 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2371
2372         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2373         * config/sol2-gld.h: ... here.
2374         * config.gcc (sparc*-*-solaris2*): Reflect this.
2375         (i[34567]86-*-solaris2*): Use it.
2376
2377 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2378
2379         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2380         setup_clocks_p.
2381         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2382
2383 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2384
2385         PR 42965
2386         * diagnostic.c (diagnostic_initialize): Initialize
2387         some_warnings_are_errors.
2388         (diagnostic_finish): New.
2389         (diagnostic_action_after_output): Call it before exiting.
2390         (diagnostic_report_diagnostic): Do not print message here. Set
2391         some_warnings_are_errors.
2392         * diagnostic.h (diagnostic_context): Delete
2393         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2394         (diagnostic_finish): Declare.
2395         * toplev.c (toplev_main): Call it before exit.
2396
2397 2010-04-09  Jason Merrill  <jason@redhat.com>
2398
2399         PR c++/42623
2400         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2401         for incomplete type.
2402
2403         PR c++/41788
2404         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2405         based on a warning flag.
2406
2407 2010-04-09  Richard Guenther  <rguenther@suse.de>
2408
2409         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2410
2411 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2412
2413         PR bootstrap/43684
2414         * varasm.c (default_assemble_visibility): Wrap vars that are
2415         set, but unused, by targets without GAS.
2416         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2417         Remove set, but unused, vars.
2418         (rs6000_legitimize_tls_address): Likewise.
2419         (altivec_expand_dst_builtin): Likewise.
2420         * config/darwin.c (machopic_classify_symbol): Likewise.
2421         (machopic_indirection_name): Likewise.
2422
2423 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2424
2425         * config/i386/i386.md (DWI): New mode iterator.
2426         (S): New mode attribute.
2427         (shift_operand): Ditto.
2428         (shift_immediate_operand): Ditto.
2429         (ashl_input_operand): Ditto.
2430         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2431         using SDWIM mode iterator.
2432         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2433         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2434         DWI mode iterator.
2435         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2436         from corresponding peephole2 patterns.
2437         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2438         and x86_64_shift_adj_1 using SWI48 mode iterator.
2439         (x86_shift<mode>_adj_2): Ditto.
2440         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2441         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2442         using SWI48 mode iterator.
2443         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2444         *ashldi3_cmp_rex64 using SWI mode iterator.
2445         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2446         *ashldi3_cconly_rex64 using SWI mode iterator.
2447         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2448         x86_shift<mode>_adj_{1,2}.
2449         (ix86_split_ashr): Ditto.
2450         (ix86_split_lshr): Ditto.
2451
2452 2010-04-09  Richard Guenther  <rguenther@suse.de>
2453
2454         * target.h (builtin_conversion): Pass in input and output types.
2455         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2456         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2457         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2458         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2459
2460         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2461         Handle AVX modes.
2462         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2463
2464 2010-04-09  Richard Guenther  <rguenther@suse.de>
2465
2466         PR target/43152
2467         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2468
2469 2010-04-09  Richard Guenther  <rguenther@suse.de>
2470
2471         * tree-vectorizer.h (struct _stmt_vec_info): Document
2472         that vectype is the type of the LHS.
2473         (supportable_widening_operation, supportable_narrowing_operation):
2474         Get both input and output vector types as arguments.
2475         (vect_is_simple_use_1): Declare.
2476         (get_same_sized_vectype): Likewise.
2477         * tree-vect-loop.c (vect_determine_vectorization_factor):
2478         Set STMT_VINFO_VECTYPE to the vector type of the def.
2479         (vectorizable_reduction): Adjust.
2480         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2481         Adjust.  Specify the output vector type.
2482         (vect_pattern_recog_1): Adjust.
2483         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2484         (vectorizable_call): Adjust.
2485         (vectorizable_conversion): Likewise.
2486         (vectorizable_operation): Likewise.
2487         (vectorizable_type_demotion): Likewise.
2488         (vectorizable_type_promotion): Likewise.
2489         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2490         the def.
2491         (vect_is_simple_use_1): New function.
2492         (supportable_widening_operation): Get both input and output
2493         vector types.
2494         (supportable_narrowing_operation): Likewise.
2495         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2496
2497 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2498
2499         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2500         __thiscall and _thiscall as predefined macros.
2501         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2502         thiscall attribute handling.
2503         (ix86_comp_type_attributes): Likewise.
2504         (ix86_function_regparm): Likewise.
2505         (ix86_return_pops_args): Likewise.
2506         (init_cumulative_args): Likewise.
2507         (find_drap_reg): Likewise.
2508         (ix86_static_chain): Likewise.
2509         (x86_this_parameter): Likewise.
2510         (x86_output_mi_thunk): Likewise.
2511         (ix86_attribute_table): Add description for thiscall attribute.
2512         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2513         * doc/extend.texi: Add documentation for thiscall.
2514
2515 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2516
2517         PR c++/28584
2518         * c.opt (Wint-to-pointer-cast): Available in C++.
2519         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2520
2521 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2522
2523         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2524         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2525         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2526         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2527         function type instead.  Reorder and simplify checks.
2528
2529         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2530
2531 2010-04-08  Jing Yu  <jingyu@google.com>
2532             Zdenek Dvorak  <ook@ucw.cz>
2533
2534         PR tree-optimization/42720
2535         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2536         loop unswitch conditions here from ...
2537         (tree_unswitch_single_loop): ... here.
2538
2539 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2540
2541         * tree-if-conv.c: Fix comments and simplify logic.
2542
2543 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2544
2545         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2546         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2547         (main_tree_if_conversion): Update call to tree_if_conversion.
2548
2549 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2550
2551         PR 42485
2552         * doc/invoke.texi (-b,-V): Delete.
2553         * doc/tm.texi: Do not mention -b.
2554         * gcc.c (display_help): Delete -b and -V.
2555         (process_command): Delete -b and -V.
2556         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2557
2558 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2559             Wolfgang Gellerich  <gellerich@de.ibm.com>
2560
2561         Implement target hook for loop unrolling
2562         * target.h (loop_unroll_adjust): Add a new target hook function.
2563         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2564         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2565         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2566         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2567         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2568         target hook.
2569         (decide_unroll_stupid): Likewise.
2570
2571 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2572
2573         PR target/43643
2574         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2575
2576 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2577
2578         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2579         (Specific, *-*-solaris2*): Likewise.
2580         Don't prefer Sun as over GNU as.
2581
2582 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2583
2584         * config/s390/s390.c (override_options): Adjust the z10
2585           defaults for max-unroll-times, max-completely-peeled-insns
2586           and max-completely-peel-times.
2587
2588 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2589
2590         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2591         instructions for z10.
2592         (s390_expand_setmem): Likewise.
2593         (s390_expand_cmpmem): Likewise.
2594
2595 2010-04-08  Richard Guenther  <rguenther@suse.de>
2596
2597         PR tree-optimization/43679
2598         * tree-ssa-pre.c (eliminate): Only propagate copies.
2599
2600 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2601
2602         PR bootstrap/43681
2603         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2604         set but not used variable warning.
2605
2606 2010-04-08  Wei Guozhi  <carrot@google.com>
2607
2608         PR target/41653
2609         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2610         (arm_size_rtx_costs): Call the new function when optimized for size.
2611
2612 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2613
2614         PR debug/43670
2615         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2616         op0 is not a MEM, just return NULL instead of assertion
2617         failure.
2618         (discover_nonconstant_array_refs): Don't walk debug stmts.
2619
2620 2010-04-08  Doug Kwan  <dougkwan@google.com>
2621
2622         * configure.ac: Recognize gold and do not use its version number
2623         to test ld features.
2624         * configure: Regenerate.
2625
2626 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2627
2628         PR middle-end/40815
2629         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2630         (negate_value): Move code to push elements to broken_up_substracts ...
2631         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2632         negative pair to plus_negates.
2633         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2634
2635 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2636
2637         * doc/install.texi (Configuration): Move description of
2638         --enable-lto, --with-libelf*, --enable-gold from Java section to
2639         general section.
2640
2641         * doc/generic.texi (Working with declarations)
2642         (Function Properties, C and C++ Trees): Fix typos.
2643         * doc/sourcebuild.texi (Top Level): Likewise.
2644
2645 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2646
2647         PR c/18624
2648         * tree.h (DECL_READ_P): Define.
2649         (struct tree_decl_common): Add decl_read_flag.
2650         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2651         a set but not used warning.
2652         (merge_decls): Merge DECL_READ_P flag.
2653         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2654         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2655         * c-common.c (handle_used_attribute, handle_unused_attribute):
2656         Likewise.
2657         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2658         New prototypes.
2659         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2660         New functions.
2661         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2662         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2663         c_parser_binary_expression, c_parser_cast_expression,
2664         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2665         Call default_function_array_read_conversion instead of
2666         default_function_array_conversion where needed.
2667         (c_parser_unary_expression, c_parser_conditional_expression,
2668         c_parser_postfix_expression_after_primary, c_parser_initelt):
2669         Likewise.  Call mark_exp_read where needed.
2670         (c_parser_statement_after_labels, c_parser_asm_operands,
2671         c_parser_typeof_specifier, c_parser_sizeof_expression,
2672         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2673         where needed.
2674         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2675         New.
2676         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2677         (warn_unused_but_set_parameter): Default to warn_unused
2678         && extra_warnings.
2679         * doc/invoke.texi: Document -Wunused-but-set-variable and
2680         -Wunused-but-set-parameter.
2681
2682         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2683         used count variable.
2684         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2685         when operandN variables aren't used in the body of the expander
2686         or splitter.
2687         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2688         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2689         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2690         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2691         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2692         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2693         * tree.c (PROCESS_ARG): Likewise.
2694
2695 2010-04-07  Simon Baldwin  <simonb@google.com>
2696
2697         * diagnostic.h (diagnostic_override_option_index): New macro to
2698         set a diagnostic's option_index.
2699         * c-tree.h (c_cpp_error): Add warning reason argument.
2700         * opts.c (_warning_as_error_callback): New.
2701         (register_warning_as_error_callback): Store callback for
2702         warnings enabled via enable_warning_as_error.
2703         (enable_warning_as_error): Call callback, minor code tidy.
2704         * opts.h (register_warning_as_error_callback): Declare.
2705         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2706         response to -Werror=.
2707         (c_common_init_options): Register warning_as_error_callback in opts.c.
2708         * common.opt: Add -Wno-cpp option.
2709         * c-common.c (struct reason_option_codes_t): Map cpp warning
2710         reason codes to gcc option indexes.
2711         * (c_option_controlling_cpp_error): New function, lookup the gcc
2712         option index for a cpp warning reason code.
2713         * (c_cpp_error): Add warning reason argument, call
2714         c_option_controlling_cpp_error for diagnostic_override_option_index.
2715         * doc/invoke.texi: Document -Wno-cpp.
2716
2717 2010-04-07  Richard Guenther  <rguenther@suse.de>
2718
2719         * ipa-reference.c (mark_load): Use get_base_address.
2720         (mark_store): Likewise.
2721
2722         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2723         inserting GIMPLE_NOPs into the IL.
2724         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2725         Explicitly strip handled components and indirect references.
2726
2727         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2728         folding address expressions.
2729         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2730         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2731         operand_equal_p to compare decls.
2732         (ptr_deref_may_alias_decl_p): Likewise.
2733         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2734         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2735         Handle reversed comparison ops.
2736         * tree-sra.c (asm_visit_addr): Use get_base_address.
2737         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2738         * ipa-reference.c (mark_address): Use get_base_address.
2739
2740 2010-04-07  Richard Guenther  <rguenther@suse.de>
2741
2742         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2743         Propagate constants everywhere.
2744
2745 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2746
2747         PR debug/43516
2748         * tree.c (MAX_INT_CACHED_PREC): Define.
2749         (nonstandard_integer_type_cache): New array.
2750         (build_nonstandard_integer_type): Cache results for precision
2751         <= MAX_INT_CACHED_PREC.
2752
2753 2010-04-07  Richard Guenther  <rguenther@suse.de>
2754
2755         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2756         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2757         * common.opt: Likewise.
2758         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2759         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2760         (nonoverlapping_memrefs_p): Likewise.
2761         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2762         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2763         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2764         OPT_fargument_noalias_global for backward compatibility.
2765
2766 2010-04-07  Richard Guenther  <rguenther@suse.de>
2767
2768         PR tree-optimization/43270
2769         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2770         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2771         * tree-ssa-pre.c (phi_translate_1): Adjust.
2772         (fully_constant_expression): Split out vn_reference handling to ...
2773         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2774         Fold reads from constant strings.
2775         (vn_reference_lookup): Handle fully constant references.
2776         (vn_reference_lookup_pieces): Likewise.
2777         * Makefile.in (expmed.o-warn): Add -Wno-error.
2778
2779 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2780
2781         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2782
2783 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2784
2785         PR driver/41594
2786         * gcc.c: Add -static-libstdc++ to list of recognized options.
2787
2788 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2789
2790         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2791
2792 2010-04-07  Richard Guenther  <rguenther@suse.de>
2793
2794         PR middle-end/42617
2795         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2796         bases build simple mem attributes to retain points-to information.
2797
2798 2010-04-07  Richard Guenther  <rguenther@suse.de>
2799
2800         PR middle-end/42617
2801         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2802         preserve points-to related information.
2803
2804 2010-04-07  Richard Guenther  <rguenther@suse.de>
2805
2806         PR middle-end/42617
2807         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2808         discard plain indirect references.
2809         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2810         * tree.c (tree_nop_conversion): Likewise.
2811
2812 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2813
2814         PR debug/43628
2815         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2816
2817 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2818
2819         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2820         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2821
2822 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2823
2824         * tree-if-conv.c: Fix indentation and comments.
2825
2826 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2827
2828         * tree-if-conv.c: Sort static functions in topological order.
2829
2830 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2831
2832         * tree-if-conv.c: Fix indentation and comments.
2833
2834 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2835
2836         PR middle-end/43519
2837         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2838         lang_hooks.types.type_for_size instead of
2839         build_nonstandard_integer_type.
2840         When converting an unsigned type to signed, double its precision.
2841         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2842         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2843         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2844         use lb <= ub.
2845
2846 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2847
2848         PR middle-end/43519
2849         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2850         POINTER_PLUS_EXPR for pointer types.
2851
2852 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2853
2854         PR middle-end/43519
2855         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2856         * graphite-clast-to-gimple.c: Include langhooks.h.
2857         (max_signed_precision_type): New.
2858         (max_precision_type): Takes two types as arguments.
2859         (precision_for_value): New.
2860         (precision_for_interval): New.
2861         (gcc_type_for_interval): New.
2862         (gcc_type_for_value): New.
2863         (gcc_type_for_clast_term): New.
2864         (gcc_type_for_clast_red): New.
2865         (gcc_type_for_clast_bin): New.
2866         (gcc_type_for_clast_expr): Split up into several functions.
2867         (gcc_type_for_clast_eq): Rewritten.
2868         (compute_bounds_for_level): New.
2869         (compute_type_for_level_1): New.
2870         (compute_type_for_level): New.
2871         (gcc_type_for_cloog_iv): Removed.
2872         (gcc_type_for_iv_of_clast_loop): Rewritten.
2873         (graphite_create_new_loop): Compute the lower and upper bound types
2874         with gcc_type_for_clast_expr.
2875         (graphite_create_new_loop_guard): Same.
2876         (find_cloog_iv_in_expr): Removed.
2877         (compute_cloog_iv_types_1): Removed.
2878         (compute_cloog_iv_types): Removed.
2879         (gloog): Do not call compute_cloog_iv_types.
2880         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2881         GBB_CLOOG_IV_TYPES.
2882         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2883         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2884         (GBB_CLOOG_IV_TYPES): Removed.
2885
2886 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2887
2888         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2889         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2890         (detect_commutative_reduction): Same.
2891
2892 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2893
2894         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2895         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2896         argument.
2897         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2898         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2899         (rewrite_commutative_reductions_out_of_ssa): Same.
2900         * passes.c (execute_function_todo): Call verify_ssa for every pass
2901         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2902         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2903         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2904         with an extra argument.
2905         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2906         verify_ssa only when the extra argument is true.
2907         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2908         with an extra argument.
2909         (tree_transform_and_unroll_loop): Same.
2910
2911 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2912
2913         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2914         for all the passes of the LNO having LOOP_CLOSED_SSA.
2915         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2916         * tree-loop-distribution.c (pass_loop_distribution): Same.
2917         * tree-pass.h (TODO_verify_loops): Removed.
2918         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2919         (pass_lim): Same.
2920         (pass_tree_unswitch): Same.
2921         (pass_predcom): Same.
2922         (pass_vectorize): Same.
2923         (pass_linear_transform): Same.
2924         (pass_graphite_transforms): Same.
2925         (pass_iv_canon): Same.
2926         (pass_complete_unroll): Same.
2927         (pass_complete_unrolli): Same.
2928         (pass_parallelize_loops): Same.
2929         (pass_loop_prefetch): Same.
2930         (pass_iv_optimize): Same.
2931
2932 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2933
2934         PR middle-end/32824
2935         * passes.c (init_optimization_passes): Move pass_lim before
2936         pass_copy_prop and pass_dce_loop.
2937
2938 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2939
2940         PR target/43667
2941         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2942         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2943         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2944         MULTI_* defines for 4 argument vpermil2p* builtins.
2945
2946 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2947
2948         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2949         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2950         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2951         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2952         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2953         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2954         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2955         Use x86_maybe_negate_const_int to output insn mnemonic.
2956         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2957         check from instruction predicate.  Update comments.
2958         * config/i386/sync.md (sync_add<mode>): Use
2959         x86_maybe_negate_const_int to output insn mnemonic.
2960
2961 2010-04-06  Jan Hubicka  <jh@suse.cz>
2962
2963         PR tree-optimization/42906
2964         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2965         IGNORE_SELF argument.  Set visited_control_parents for fully
2966         processed BBs.
2967         (find_obviously_necessary_stmts): Update call of
2968         mark_control_dependent_edges_necessary.
2969         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2970
2971 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2972
2973         * config/i386/i386.md: Remove comment about 'e' and 'E'
2974         operand modifier.
2975
2976 2010-04-06  Richard Guenther  <rguenther@suse.de>
2977
2978         PR tree-optimization/43627
2979         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2980         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2981         not varying.
2982
2983 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2984
2985         * BASE-VER: Change to 4.6.0.
2986
2987         PR target/43638
2988         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2989         handling.
2990
2991 2010-04-06  Richard Guenther  <rguenther@suse.de>
2992
2993         PR middle-end/43661
2994         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2995
2996 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2997
2998         * doc/invoke.texi (Optimize Options): Document that LTO
2999         won't remove object access purely due to incompatible
3000         declarations.
3001
3002 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3003
3004         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3005         Initialize variable.
3006
3007 2010-04-03  Richard Guenther  <rguenther@suse.de>
3008
3009         PR middle-end/42509
3010         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3011         require a non-NULL MEM_OFFSET.
3012
3013 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3014
3015         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3016         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3017         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3018         config/alpha/predicates.md, config/arm/arm.md,
3019         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3020         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3021         config/darwin9.h, config/darwin.c, config/darwin.h,
3022         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3023         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3024         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3025         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3026         config/mips/mips.md, config/mn10300/mn10300.c,
3027         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3028         config/rs6000/aix.h, config/rs6000/dfp.md,
3029         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3030         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3031         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3032         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3033         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3034         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3035         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3036         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3037         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3038         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3039         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3040         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3041         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3042         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3043         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3044         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3045         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3046         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3047         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3048         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3049         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3050         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3051         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3052         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3053         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3054         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3055         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3056         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3057         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3058         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3059         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3060         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3061         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3062         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3063         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3064         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3065
3066 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3067
3068         PR other/43620
3069         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3070         * aclocal.m4: Regenerate.
3071
3072 2010-04-02  Richard Guenther  <rguenther@suse.de>
3073
3074         PR tree-optimization/43629
3075         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3076         if we have seen a constant value.
3077
3078 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3079
3080         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3081
3082 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3083
3084         PR target/43469
3085         * arm.c (legitimize_tls_address): Adjust call to
3086         gen_tls_load_dot_plus_four.
3087         (arm_note_pic_base): New function.
3088         (arm_cannot_copy_insn_p): Use it.
3089         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3090         constraint.
3091
3092 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3093
3094         PR bootstrap/43531
3095
3096         Revert:
3097         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3098
3099         * Makefile.in ($(out_object_file)): Depend on
3100         gt-$(basename $(notdir $(out_file))).h.
3101
3102 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3103
3104         * config.gcc (lm32-*-rtems*): Add t-lm32.
3105
3106 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3107
3108         * config.gcc: Add lm32-*-rtems*.
3109         * config/lm32/rtems.h: New file.
3110
3111 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3112
3113         PR target/42609
3114         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3115
3116 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3117
3118         * dwarf2out.c (output_compilation_unit_header): For
3119         -gdwarf-4 use version 4 instead of version 3.
3120         (output_line_info): For version 4 and above emit additional
3121         maximum ops per insn header field.
3122         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3123
3124         * dwarf2out.c (is_c_family, is_java): Remove.
3125         (lower_bound_default): New function.
3126         (add_bound_info, gen_descr_array_type_die): Use it.
3127
3128 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3129
3130         PR debug/43325
3131         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3132         re-declaration when it happens in a function.
3133
3134 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3135
3136         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3137         (cgraph_remove_function_insertion_hook): Same.
3138         (cgraph_call_function_insertion_hooks): Same.
3139
3140 2010-04-01  Richard Guenther  <rguenther@suse.de>
3141
3142         PR middle-end/43614
3143         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3144         and TREE_THIS_VOLATILE.
3145         (copy_ref_info): Likewise.
3146         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3147         * tree.c (build6_stat): Ignore side-effects of all but arg5
3148         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3149         TARGET_MEM_REF.
3150
3151 2010-04-01  Richard Guenther  <rguenther@suse.de>
3152
3153         PR tree-optimization/43607
3154         * ipa-type-escape.c (check_call): Do not access non-existing
3155         arguments.
3156
3157 2010-04-01  Richard Guenther  <rguenther@suse.de>
3158
3159         PR middle-end/43602
3160         Revert
3161         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3162                     Jack Howarth <howarth@bromo.med.uc.edu>
3163
3164         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3165         variables TLS.
3166
3167 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3168
3169         * doc/install.texi (Prerequisites): Document libelf usability on
3170         IRIX 5/6 and Solaris 2.
3171         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3172         Update GNU as, GNU ld requirements.
3173         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3174         Document Sun Studio compiler download.
3175         Update and simplify as, ld recommendations.
3176         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3177
3178 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3179
3180         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3181         with_tune_32 to pentium4.
3182
3183 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3184
3185         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3186
3187 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3188
3189         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3190         obsoletion, removal.
3191         Update IDO URL.
3192         Document GNU as requirement.
3193         Update configure requirements.
3194         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3195         Recomment IRIX 6.5.18+.
3196         Document IDF/IDL requirement.
3197         Document GNU as requirement.
3198         Document GNU ld bootstrap failure.
3199         Remove freeware.sgi.com reference.
3200
3201 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3202
3203         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3204         UNIX V4.0, V5.0 obsoletion, removal.
3205         Remove --with-gc=simple reference.
3206         Update VM requirements during bootstrap.
3207         Remove -oldas bootstrap description.
3208         Update binutils reference.
3209         Remove comparison failure note.
3210
3211 2010-03-31  Richard Guenther  <rguenther@suse.de>
3212             Zdenek Dvorak  <ook@ucw.cz>
3213             Sebastian Pop  <sebastian.pop@amd.com>
3214
3215         PR middle-end/43464
3216         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3217         with multiple arguments.
3218         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3219
3220 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3221
3222         * graphite-dependences.c (print_pddr): Call print_pdr with an
3223         extra argument.
3224         * graphite-poly.c (debug_pdr): Add an extra argument for the
3225         verbosity level.
3226         (print_pdr): Same.
3227         (print_pbb_domain): Same.
3228         (print_pbb): Same.
3229         (print_scop_context): Same.
3230         (print_scop): Same.
3231         (print_cloog): Same.
3232         (debug_pbb_domain): Same.
3233         (debug_pbb): Same.
3234         (print_pdrs): Same.
3235         (debug_pdrs): Same.
3236         (debug_scop_context): Same.
3237         (debug_scop): Same.
3238         (debug_cloog): Same.
3239         (print_scop_params): Same.
3240         (debug_scop_params): Same.
3241         (print_iteration_domain): Same.
3242         (print_iteration_domains): Same.
3243         (debug_iteration_domain): Same.
3244         (debug_iteration_domains): Same.
3245         (print_scattering_function): Same.
3246         (print_scattering_functions): Same.
3247         (debug_scattering_function): Same.
3248         (debug_scattering_functions): Same.
3249         * graphite-poly.h (debug_pdr): Update declaration.
3250         (print_pdr): Same.
3251         (print_pbb_domain): Same.
3252         (print_pbb): Same.
3253         (print_scop_context): Same.
3254         (print_scop): Same.
3255         (print_cloog): Same.
3256         (debug_pbb_domain): Same.
3257         (debug_pbb): Same.
3258         (print_pdrs): Same.
3259         (debug_pdrs): Same.
3260         (debug_scop_context): Same.
3261         (debug_scop): Same.
3262         (debug_cloog): Same.
3263         (print_scop_params): Same.
3264         (debug_scop_params): Same.
3265         (print_iteration_domain): Same.
3266         (print_iteration_domains): Same.
3267         (debug_iteration_domain): Same.
3268         (debug_iteration_domains): Same.
3269         (print_scattering_function): Same.
3270         (print_scattering_functions): Same.
3271         (debug_scattering_function): Same.
3272         (debug_scattering_functions): Same.
3273
3274 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3275
3276         * graphite-poly.c (print_scattering_function_1): New.
3277         (print_scattering_function): Call it.
3278         (print_scop_params): Remove spaces at the end of lines.
3279         (print_cloog): New.
3280         (debug_cloog): New.
3281         * graphite-poly.h (print_cloog): Declared.
3282         (debug_cloog): Declared.
3283
3284 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3285
3286         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3287         in loop->header.
3288         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3289         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3290         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3291         to switch between adding the IV bump in loop->latch or in loop->header.
3292
3293 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3294
3295         * graphite-poly.c (print_scattering_function): Pretty print following
3296         the scoplib format.
3297         (print_pdr): Same.
3298         (print_pbb_domain): Same.
3299         (dump_gbb_cases): Same.
3300         (dump_gbb_conditions): Same.
3301         (print_pdrs): Same.
3302         (print_pbb): Same.
3303         (print_scop_params): Same.
3304         (print_scop_context): Same.
3305         (print_scop): Same.
3306         (print_pbb_body): New.
3307         (lst_indent_to): New.
3308         (print_lst): Start new lines with a #.
3309         * graphite-poly.h (pbb_bb): New.
3310         (pbb_index): Use pbb_bb.
3311         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3312         disjuncts.
3313         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3314
3315 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3316
3317         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3318         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3319         and 0 instead of 1 for dw_val_class_flag.
3320         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3321         dw_val_class_range_list, dw_val_class_loc_list,
3322         dw_val_class_lineptr and dw_val_class_macptr, use
3323         DW_FORM_flag_present for dw_val_class_flag and
3324         DW_FORM_exprloc for dw_val_class_loc.
3325         (output_die): For -gdwarf-4 print dw_val_class_loc
3326         size as uleb128 instead of 1 or 2 bytes and don't print
3327         anything for dw_val_class_flag.
3328
3329         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3330         instead of cselib_lookup following by tweaking locs->setting_insn.
3331
3332         PR bootstrap/43596
3333         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3334         even before returning from label, setjmp call or volatile asm
3335         handling.
3336
3337 2010-03-31  Richard Guenther  <rguenther@suse.de>
3338
3339         PR middle-end/43600
3340         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3341         temporary data on stack.
3342
3343 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3344
3345         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3346         (PUSHSECTION_ASM_OP): Remove.
3347         (POPSECTION_ASM_OP): Remove.
3348         (PUSHSECTION_FORMAT): Remove.
3349         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3350         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3351         * config/sol2.c (solaris_output_init_fini): Use it.
3352
3353 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3354
3355         PR 43574
3356         * opt-functions.awk (var_type_struct): Use signed char type
3357         for simple variables.
3358
3359 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3360
3361         * config/sol2.c: Include output.h.
3362         (solaris_assemble_visibility): New function.
3363         * config/t-sol2 (sol2.o): Add output.h dependency.
3364         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3365         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3366         Redefine.
3367
3368 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3369
3370         PR target/43580
3371         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3372         V2SImode or XFmode on PRE_DEC.
3373
3374         PR debug/43557
3375         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3376         BLKmode.
3377
3378 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3379
3380         PR 43562
3381         * reload.h (caller_save_initialized_p): Declare.
3382         * toplev.c (backend_init_target): Don't call
3383         init_caller_save but set caller_save_initialized_p to false.
3384         * caller-save.c (caller_save_initialized_p): Define.
3385         (init_caller_save): Check caller_save_initialized_p.
3386         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3387
3388 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3389
3390         PR target/39048
3391         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3392         and soft-fp/t-softfp to tmake_file.
3393         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3394         (LIBGCC2_TF_CEXT): Define.
3395         (TF_SIZE): Define.
3396
3397 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3398
3399         PR debug/42977
3400         * cselib.c (n_useless_values): Document handling of debug locs.
3401         (n_useless_debug_values, n_debug_values): New variables.
3402         (new_elt_loc_list): Don't add to debug values, keep count.
3403         (promote_debug_loc): New.
3404         (cselib_reset_table): Zero new variables.
3405         (entry_and_rtx_equal_p): Promote debug locs.
3406         (discard_useless_locs): Increment n_useless_debug_values for
3407         debug values.
3408         (remove_useless_values): Adjust n_useless_values and n_debug_values
3409         with n_useless_debug_values.
3410         (add_mem_for_addr): Promote debug locs.
3411         (cselib_lookup_mem): Likewise.
3412         (cselib_lookup_addr): Renamed to...
3413         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3414         (cselib_log_lookup): ... this.  Turn into...
3415         (cselib_lookup_addr): ... new wrapper.
3416         (cselib_lookup_from_insn): New.
3417         (cselib_invalidate_regno): Increment n_useless_debug_values for
3418         debug values.
3419         (cselib_invalidate_mem): Likewise.
3420         (cselib_process_insn): Take n_deleted and n_debug_values into
3421         account to guard remove_useless_value call.
3422         (cselib_finish): Zero n_useless_debug_values.
3423         * cselib.h (cselib_lookup_from_insn): Declare.
3424         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3425         (sched_analyze_2): Likewise.
3426
3427 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3428
3429         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3430         functions.
3431         (adjust_mems): Replace narrowing SUBREG of expression containing
3432         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3433         with operations in the narrower mode.
3434
3435         PR debug/43593
3436         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3437         regs_invalidated_by_call instead all call_used_reg_set registers.
3438
3439 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441         PR middle-end/43430
3442         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3443         pointer comparisons with types_compatible_p.
3444         * tree-vect-stmts.c (vectorizable_call): Same.
3445         (vectorizable_condition): Same.
3446
3447 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3448
3449         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3450         stack check if the mask would be zero.
3451
3452 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3453             Jack Howarth <howarth@bromo.med.uc.edu>
3454
3455         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3456         variables TLS.
3457
3458 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3459
3460         PR other/25232
3461         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3462         and __unordtf2.
3463         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3464         Include ___unordxf2 and ___unordtf2.
3465         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3466         GCC_4.4.0 here.
3467
3468 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3469
3470         * config/lm32/t-lm32: New file.
3471         * config.gcc: Use the above file when targetting lm32.
3472
3473 2010-03-28  Duncan Sands  <baldrick@free.fr>
3474
3475         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3476
3477 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3478
3479         PR middle-end/43431
3480         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3481         Improve vectorization cost model diagnostic.
3482
3483 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3484
3485         PR middle-end/43436
3486         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3487         compute_data_dependences_for_loop returns false, early exit
3488         and output an extra diagnostic for the failed data reference
3489         analysis.
3490
3491 2010-03-29  Richard Guenther  <rguenther@suse.de>
3492
3493         PR tree-optimization/43560
3494         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3495         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3496
3497 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3498
3499         PR 43564
3500         * toplev.c (process_options): Set optimization_default_node
3501         and optimization_current_node.
3502         * opts.c (decode_options): Don't set optimization_default_node
3503         and optimization_current_node.
3504
3505 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3506
3507         * config/rtems.h: Abandon -qrtems_debug.
3508
3509 2010-03-28  Jan Hubicka  <jh@suse.cz>
3510
3511         PR tree-optimization/43505
3512         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3513         map should not be copied.
3514
3515 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3516
3517         PR middle-end/41674
3518         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3519         cdtors, set DECL_PRESERVE_P.
3520         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3521         should be preseved.
3522
3523 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3524
3525         PR tree-optimization/43528
3526         * stor-layout.c (place_field): Check that constant fits into
3527         unsigned HWI when skipping calculation of MS bitfield layout.
3528
3529 2010-03-27  Jan Hubicka  <jh@suse.cz>
3530
3531         PR middle-end/43391
3532         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3533         notice_global_symbol work.
3534
3535 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3536
3537         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3538         instead of dwarf2out_decl.
3539         (struct var_loc_node): Remove section_label field.
3540         (dwarf2out_function_decl): New function.
3541         (dwarf2out_var_location): Don't set section_label field.
3542         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3543
3544 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3545
3546         PR tree-optimization/43544
3547         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3548         First argument for builtin vectorized function hook is now a
3549         tree to be able to distinguish between machine specific and
3550         standard builtins.
3551         * targhooks.c (default_builtin_vectorized_function): Ditto.
3552         * targhooks.h (default_builtin_vectorized_function): Ditto.
3553         * target.h (struct gcc_target): Ditto.
3554         * tree-vect-stmts.c (vectorizable_function): Ditto.
3555         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3556         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3557         Ditto.
3558
3559 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3560
3561         PR c/43381
3562         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3563         nested binding iff it is a FUNCTION_DECL.
3564         (store_parm_decls_newstyle): Pass nested=true to bind for
3565         FUNCTION_DECLs amongst parameters.
3566
3567 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3568
3569         * var-tracking.c (vt_expand_loc_callback): Don't run
3570         cselib_expand_value_rtx_cb in dummy mode if
3571         cselib_dummy_expand_value_rtx_cb returned false.
3572
3573         * var-tracking.c (emit_note_insn_var_location): For one part
3574         notes with offset 0, don't add EXPR_LIST around the location.
3575         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3576         add_location_or_const_value_attribute): Adjust for that change.
3577
3578         PR debug/43540
3579         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3580         into first operand and location into second.
3581         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3582         dw_cfi_oprnd_loc for DW_CFA_expression.
3583         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3584         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3585         assume first argument is regnum and second argument is location.
3586
3587 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3588
3589         PR target/42113
3590         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3591         of scratch register to DImode.  Split to DImode comparison operator.
3592         Use SImode subreg of scratch register in the multiplication.
3593         (*cmp_sadd_sidi): Ditto.
3594         (*cmp_ssub_si): Ditto.
3595         (*cmp_ssub_sidi): Ditto.
3596
3597 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3598
3599         PR target/43524
3600         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3601         Remove invalid assert and wrong comment.
3602
3603 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3604
3605         PR debug/43516
3606         * flags.h (final_insns_dump_p): New extern.
3607         * final.c (final_insns_dump_p): New variable.
3608         (rest_of_clean_state): Set it before -fdump-final-insns=
3609         dumping, clear afterwards.
3610         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3611         MEM_ALIAS_SET on MEMs.
3612
3613 2010-03-26  David S. Miller  <davem@davemloft.net>
3614
3615         * configure.ac: Fix sparc GOTDATA_OP bug check.
3616         * configure: Rebuild.
3617
3618 2010-03-26  Alan Modra  <amodra@gmail.com>
3619
3620         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3621
3622 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3623
3624         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3625         TLS_SECTION_ASM_FLAG.
3626
3627 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3628
3629         PR bootstrap/43511
3630         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3631         Clear first_function_block_is_cold.
3632
3633         PR c/43385
3634         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3635         argument if the argument is truth_value_p.
3636
3637 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3638
3639         * config/rs6000/constraints.md: Update copyright year for my changes.
3640
3641         PR target/43484
3642         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3643         used in reg+reg addressing, swap registers.
3644
3645 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3646
3647         PR debug/43293
3648         * target.h (struct gcc_target): Add code_end hook.
3649         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3650         if not yet defined.
3651         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3652         * toplev.c (compile_file): Call targetm.asm_out.code_end
3653         hook before unwind info/debug info output.
3654         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3655         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3656         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3657         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3658         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3659         * config/i386/i386.c (ix86_file_end): Renamed to...
3660         (ix86_code_end): ... this.  Make static.  Don't call
3661         file_end_indicate_exec_stack.  Emit unwind info using
3662         final_start_function/final_end_function.
3663         (darwin_x86_file_end): Remove.
3664         (TARGET_ASM_CODE_END): Define.
3665         * config/i386/i386.h (TARGET_ASM_FILE_END,
3666         NEED_INDICATE_EXEC_STACK): Don't define.
3667         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3668         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3669         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3670         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3671
3672         PR target/43498
3673         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3674         at the beginning and final_end_function at the end.
3675         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3676
3677 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3678
3679         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3680         and Sun as TLS syntax.
3681         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3682         * configure: Regenerate.
3683         * config.in: Regenerate.
3684         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3685         (default_elf_asm_named_section): Use it.
3686         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3687         (i386_output_dwarf_dtprel): Likewise.
3688         (output_addr_const_extra): Likewise.
3689         (output_pic_addr_const): Lowercase @GOTTPOFF.
3690         (output_addr_const_extra): Likewise.
3691         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3692         (output_addr_const_extra): Likewise.
3693         (output_pic_addr_const): Lowercase @INDNTPOFF.
3694         (output_addr_const_extra): Likewise.
3695         (output_pic_addr_const): Lowercase @NTPOFF.
3696         (output_addr_const_extra): Likewise.
3697         (output_pic_addr_const): Lowercase @TPOFF.
3698         (output_addr_const_extra): Likewise.
3699         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3700         (*tls_global_dynamic_64): Likewise.
3701         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3702         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3703
3704         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3705         (ASM_OUTPUT_TLS_COMMON): Use it.
3706         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3707
3708         PR target/38118
3709         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3710         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3711         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3712         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3713         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3714         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3715
3716 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3717
3718         * config/i386/i386.c (override_options): Don't accept
3719         -mtls-dialect=sun any longer.
3720         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3721         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3722         (*tls_local_dynamic_base_32_sun): Likewise.
3723         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3724
3725 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3726
3727         PR debug/43508
3728         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3729         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3730
3731         PR debug/43479
3732         * ira.c (adjust_cleared_regs): New function.
3733         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3734
3735         PR debug/19192
3736         PR debug/43479
3737         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3738         from gimple_block.
3739         * expr.c (expand_expr_real): Restore previous
3740         curr_insn_source_location and curr_insn_block after
3741         expand_expr_real_1 call.
3742         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3743         instead of expand_expr_real_1.
3744
3745 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3746
3747         PR rtl-optimization/43413
3748         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3749         hard regs too.
3750
3751 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3752
3753         PR target/43348
3754         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3755         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3756
3757 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3758
3759         * config/i386/i386.c (ix86_target_string): Add -mfma.
3760         Fix a typo in comment.
3761
3762 2010-03-22  Mike Stump  <mikestump@comcast.net>
3763
3764         PR target/23071
3765         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3766         Don't overly align based upon packed packed fields.
3767
3768 2010-03-22  Jason Merrill  <jason@redhat.com>
3769
3770         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3771         Use () rather than [], and move before the element type.
3772
3773 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3774
3775         * doc/configfiles.texi (Configuration Files): Removed
3776         fixinc/Makefile*, intl/Makefile.*.
3777         * doc/makefile.texi: Fixed markup. Abstract from version
3778         control system used.
3779         (Makefile): Removed obsolete gcc/java/parse.y example.
3780         * doc/sourcebuild.texi: Likewise.
3781         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3782         libgomp, libssp.  Removed fastjar.
3783         (Miscellaneous Docs): Clarify location.
3784         Added COPYING3, COPYING3.LIB.
3785         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3786
3787 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3788
3789         PR target/38085
3790         * config/i386/i386.c (x86_function_profiler)
3791         [!NO_PROFILE_COUNTERS]: Fix typo.
3792         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3793         instead of callq.
3794
3795 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3796             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3797
3798         * doc/sourcebuild.texi (Test Directives): Split into six
3799         subsections, with most of the current text in new subsections
3800         Directives, Selectors, and Final Actions.
3801         (Directives): Split list of test directives into multiple
3802         subsubsections.
3803         (Selectors): Describe use and syntax of selectors.
3804         (Effective-Target Keywords): Describe all existing keywords.
3805         (Add Options): Describe features for dg-add-options.
3806         (Require Support): Describe variants of dg-require-support.
3807         (Final Actions): Describe commands to use in dg-final.
3808
3809 2010-03-22  Michael Matz  <matz@suse.de>
3810
3811         PR middle-end/43475
3812         * recog.c (validate_replace_rtx_group): Replace also in
3813         REG_EQUAL and REG_EQUIV notes.
3814
3815 2010-03-22  Richard Guenther  <rguenther@suse.de>
3816
3817         PR tree-optimization/43390
3818         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3819         sure vector extracts are type correct.
3820
3821 2010-03-22  Richard Guenther  <rguenther@suse.de>
3822
3823         PR middle-end/40106
3824         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3825         x * sqrt (x) even when optimizing for size if the target
3826         has native support for sqrt.
3827
3828 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3829
3830         * varasm.c (make_decl_rtl_for_debug): Also clear
3831         flag_mudflap for the duration of make_decl_rtl call.
3832
3833         PR debug/43443
3834         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3835         locs from preserved VALUEs.
3836
3837 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3838
3839         PR middle-end/42718
3840         * pa.md (movmemsi): Set align to one if zero.
3841         (movmemdi): Likewise.
3842
3843 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3844
3845         PR target/42321
3846         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3847         with their corresponding prologue pushes.
3848
3849 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3850
3851         PR target/43156
3852         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3853         at the begining or end.
3854         (spu_expand_epilogue): Likewise.
3855
3856 2010-03-20  Richard Guenther  <rguenther@suse.de>
3857
3858         PR rtl-optimization/43438
3859         * combine.c (make_extraction): Properly zero-/sign-extend an
3860         extraction of the low part of a CONST_INT.  Also handle
3861         CONST_DOUBLE.
3862
3863 2010-03-19  Mike Stump  <mikestump@comcast.net>
3864
3865         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3866         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3867         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3868
3869 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3870
3871         PR c/43211
3872         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3873         an error.
3874
3875 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3876
3877         PR rtl-optimization/42258
3878         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3879         use that may match DEF.
3880
3881         PR target/40697
3882         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3883         the cost of loading the constant rather than assuming
3884         COSTS_N_INSNS (1).
3885         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3886         outer code is AND, do the same tests as the andsi3 expander and
3887         return COSTS_N_INSNS (1) if and is cheap.
3888
3889         * optabs.c (avoid_expensive_constant): Fix formatting.
3890
3891 2010-03-19  Michael Matz  <matz@suse.de>
3892
3893         PR c++/43116
3894         * attribs.c (decl_attributes): When rebuilding a function pointer
3895         type use the same qualifiers as the original pointer type.
3896
3897 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3898
3899         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3900         and is_gimple_ip_invariant_address.
3901
3902 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3903
3904         Revert
3905         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3906
3907         * config/arm/arm.c (arm_override_options): Turn off
3908         flag_dwarf2_cfi_asm for AAPCS variants.
3909
3910 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3911
3912         PR target/43399
3913         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3914         Use PRE_MODIFY instead of PRE_DEC.
3915         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3916         (vfp_emit_fstmd): Likewise.
3917
3918 2010-03-19  Michael Matz  <matz@suse.de>
3919
3920         PR target/43305
3921         * builtins.c (expand_builtin_interclass_mathfn,
3922         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3923         if that fails.
3924
3925 2010-03-19  Richard Guenther  <rguenther@suse.de>
3926
3927         PR tree-optimization/43415
3928         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3929         (phi_translate_1): ... this.
3930         (phi_translate): Move all caching here.  Cache all NARY
3931         and REFERENCE translations.
3932
3933 2010-03-19  David S. Miller  <davem@davemloft.net>
3934
3935         With help from Eric Botcazou.
3936         * config/sparc/sparc.c: Include dwarf2out.h.
3937         (emit_pic_helper): Delete.
3938         (pic_helper_symbol_name): Delete.
3939         (pic_helper_emitted_p): Delete.
3940         (pic_helper_needed): New.
3941         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3942         (get_pc_thunk_name): New.
3943         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3944         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3945         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3946         (sparc_expand_prologue): Update load_pic_register call.
3947         (sparc_output_mi_thunk): Likewise.
3948         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3949         thunk if possible.  Output CFI information as needed.
3950
3951 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3952             Jack Howarth <howarth@bromo.med.uc.edu>
3953
3954         PR target/36399
3955         * config/i386/i386.h: Fix ABI on darwin x86-32.
3956
3957 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3958
3959         * tree.h: Declare make_decl_rtl_for_debug.
3960         * varasm.c (make_decl_rtl_for_debug): New.
3961         * dwarf2out.c (rtl_for_decl_location): Call it.
3962         * cfgexpand.c (expand_debug_expr): Call it.
3963
3964 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3965
3966         PR bootstrap/43399
3967         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3968         mem_mode.
3969
3970         PR bootstrap/43403
3971         * var-tracking.c (vt_init_cfa_base): Do nothing if
3972         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3973
3974 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3975
3976         PR debug/42873
3977         * var-tracking.c (canonicalize_vars_star): New.
3978         (dataflow_post_merge_adjust): Use it.
3979
3980 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3981
3982         PR debug/43058
3983         * var-tracking.c (non_suitable_const): New function.
3984         (add_uses): For DEBUG_INSNs with constants, don't record any
3985         value, instead just the constant value itself.
3986         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3987         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3988         (emit_notes_in_bb): Likewise.
3989         (emit_note_insn_var_location): For onepart variables if
3990         cur_loc is a VOIDmode constant, use DECL_MODE.
3991
3992 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3993
3994         PR middle-end/42450
3995         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3996         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3997         all non-clones.  Moved call redirection...
3998         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3999         (cgraph_materialize_all_clones): Dispose of all
4000         combined_args_to_skip bitmaps.
4001         (verify_cgraph_node): Do not check for edges pointing to wrong
4002         nodes in inline clones.
4003         * tree-inline.c (copy_bb): Call
4004         cgraph_redirect_edge_call_stmt_to_callee.
4005         * ipa.c (cgraph_remove_unreachable_nodes): Call
4006         cgraph_node_remove_callees even when there are used clones.
4007
4008 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
4009
4010         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4011
4012 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
4013
4014         PR target/43383
4015         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4016         for 32bit.
4017
4018 2010-03-18  Michael Matz  <matz@suse.de>
4019
4020         PR middle-end/43419
4021         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4022         into sqrt(x) if we need to preserve signed zeros.
4023
4024 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
4025             Eric Botcazou  <ebotcazou@adacore.com>
4026