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1 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
2
3         PR debug/43942
4         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
5
6 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
7
8         * config/picochip/picochip.c (picochip_legitimize_address): Define.
9         Use this function to do machine-specific conversion.
10         (picochip_legitimize_reload_address): Likewise.
11         (picochip_legitimate_address_p): Check valid base register only if
12         strict.
13         (picochip_check_conditional_copy): Check for modw only if opnd is
14         register.
15         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
16         to call the function in c.
17         * config/picochip/picochip-protos.h
18         (picochip_legitimize_reload_address): Define.
19         * config/picochip/picochip.md (supported_compare1): Define.
20
21 2010-04-30  Jan Hubicka  <jh@suse.cz>
22
23         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
24         (cgraph_global_info): Remove inlined.
25         (LTO_cgraph_tag_names): Remove.
26         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
27         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
28         simplify cgraph tags and document.
29         (lto_output_node): Use only LTO_cgraph_unavail_node and
30         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
31         for_functions_valid, global info, process and output
32         flags.
33         (input_overwrite_node): Initialize estimated stack size and
34         estimated growth.
35         Do not read flags we no longer store.
36         (input_node): Likewise do not read info no longer stored.
37         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
38         flag.
39
40 2010-04-30  Richard Guenther  <rguenther@suse.de>
41
42         PR tree-optimization/43879
43         * tree-ssa-structalias.c (get_constraint_for_1): Properly
44         handle non-zero initializers.
45
46 2010-04-30  Richard Guenther  <rguenther@suse.de>
47
48         * builtins.c (fold_builtin_1): Delete free (0).
49
50 2010-04-29  Jan Hubicka  <jh@suse.cz>
51
52         * gengtype.c (open_base_files): Add lto-streamer.h
53         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
54         (pass_ipa_cp): GGC collect.
55         * toplev. (compile_file): Do not output symbols.
56         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
57         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
58         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
59         * lto-section-in.c: Include ggc.h
60         (lto_new_in_decl_state): Alloc in GGC.
61         (lto_delete_in_decl_state): Likewise.
62         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
63
64 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
65
66         PR target/42895
67         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
68         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
69         (HONOR_REG_ALLOC_ORDER): Describe new macro.
70         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
71         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
72         account only if HONOR_REG_ALLOC_ORDER is not defined.
73         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
74         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
75         
76 2010-04-29  Jon Grant <04@jguk.org>
77         
78         * collect2.c (vflag): Change type from int to bool.
79         (debug): Likewise.
80         (helpflag): New global bool.
81         (main): Set vflag and debug with boolean, not integer truth
82         values.  Accept new "--help" option and output usage text if
83         found.
84         * collect2.h (vflag): Update prototype.
85         (debug): Likewise.
86         
87 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
88
89         PR bootstrap/43936
90         * plugin.h (flag_plugin_added): Moved out of
91         invoke_plugin_callbacks.
92
93 2010-04-29  Richard Guenther  <rguenther@suse.de>
94
95         PR bootstrap/43935
96         * plugin.h (invoke_plugin_callbacks): Annotate arguments
97         with ATTRIBUTE_UNUSED.
98
99 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
100
101         PR target/43921
102         * config/i386/i386.c (get_some_local_dynamic_name): Replace
103         INSN_P with NONDEBUG_INSN_P.
104         (distance_non_agu_define): Likewise.
105         (distance_agu_use): Likewise.
106
107 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
108
109         From Dominique d'Humieres <dominiq@lps.ens.fr>
110         PR bootstrap/43858
111         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
112         test_set.
113
114 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
115
116         * plugin.h (invoke_plugin_callbacks): New inline function.
117         * plugin.c (flag_plugin_added): New global flag.
118         (add_new_plugin): Initialize above flag.
119         (invoke_plugin_callbacks): Rename to ...
120         (invoke_plugin_callbacks_full): ... this.
121
122 2010-04-28  Jan Hubicka  <jh@suse.cz>
123
124         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
125         (lto_varpool_replace_node): New.
126         (lto_symtab_resolve_symbols): Resolve varpool nodes.
127         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
128         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
129         * cgraph.h (varpool_node_ptr): New type.
130         (varpool_node_ptr): New vector.
131         (varpool_node_set_def): New structure.
132         (varpool_node_set): New type.
133         (varpool_node_set): New vector.
134         (varpool_node_set_element_def): New structure.
135         (varpool_node_set_element, const_varpool_node_set_element): New types.
136         (varpool_node_set_iterator): New type.
137         (varpool_node): Add prev pointers, add used_from_other_partition,
138         in_other_partition.
139         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
140         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
141         varpool_get_node, varpool_remove_node): Declare.
142         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
143         varpool_node_set_size): New inlines.
144         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
145         * tree-pass.h (varpool_node_set_def): Forward declare.
146         (ipa_opt_pass_d): Summary writting takes vnode sets too.
147         (ipa_write_optimization_summaries): Update prototype.
148         * ipa-cp.c (ipcp_write_summary): Update.
149         * ipa-reference.c (ipa_reference_write_summary): Update.
150         * lto-cgraph.c (lto_output_varpool_node): New static function.
151         (output_varpool): New function.
152         (input_varpool_node): New static function.
153         (input_varpool_1): New function.
154         (input_cgraph): Input varpool.
155         * ipa-pure-const.c (pure_const_write_summary): Update.
156         * lto-streamer-out.c (lto_output): Update, output varpool too.
157         (write_global_stream): Kill WPA hack.
158         (produce_asm_for_decls): Update.
159         (output_alias_pair_p): Handle variables.
160         (output_unreferenced_globals): Output only needed partition of varpool.
161         * ipa-inline.c (inline_write_summary): Update.
162         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
163         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
164         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
165         varpool_node_set_new, varpool_node_set_add,
166         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
167         debug_varpool_node_set): New functions.
168         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
169         (execute_one_pass): Process new decls too.
170         (ipa_write_summaries_2): Pass around vsets.
171         (ipa_write_summaries_1): Likewise.
172         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
173         to add.
174         (ipa_write_optimization_summaries_1): Pass around vsets.
175         (ipa_write_optimization_summaries): Likewise.
176         * varpool.c (varpool_get_node): New.
177         (varpool_node): Update doubly linked lists.
178         (varpool_remove_node): New.
179         (dump_varpool_node): More dumping.
180         (varpool_enqueue_needed_node): Update doubly linked lists.
181         (decide_is_variable_needed): Kill ltrans hack.
182         (varpool_finalize_decl): Kill lto hack.
183         (varpool_assemble_decl): Skip decls in other partitions.
184         (varpool_assemble_pending_decls): Update doubly linkes lists.
185         (varpool_empty_needed_queue): Likewise.
186         (varpool_extra_name_alias): Likewise.
187         * lto-streamer.c (lto_get_section_name): Add vars section.
188         * lto-streamer.h (lto_section_type): Update.
189         (output_varpool, input_varpool): Declare.
190
191 2010-04-28  Mike Stump  <mikestump@comcast.net>
192
193         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
194
195 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
196
197         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
198         record or union type with RECORD_OR_UNION_TYPE_P predicate.
199         (lto_input_ts_type_tree_pointers): Likewise.
200         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
201         (lto_output_ts_type_tree_pointers): Likewise.
202
203 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
204
205         Uniquization of constants at the Tree level
206         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
207         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
208         bit to the end.
209         (tree_output_constant_def): Declare.
210         * gimplify.c (gimplify_init_constructor): When using block copy, first
211         uniquize the constant constructor on the RHS.
212         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
213         DECL_IN_CONSTANT_POOL flag.
214         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
215         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
216         constant pool.
217         (assemble_variable): Deal with symbols belonging to the tree constant
218         pool.
219         (get_constant_section): Add ALIGN parameter and simplify.
220         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
221         (assemble_constant_contents): Use the expression of the VAR_DECL.
222         (output_constant_def_contents): Use the alignment of the VAR_DECL.
223         (tree_output_constant_def): New global function.
224         (mark_constant): Use the expression of the VAR_DECL.
225         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
226         its expression.
227         (output_object_block): Likewise and assemble the expression.
228
229 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
230
231         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
232         hash_tree, eq_tree): New tree hash table.
233         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
234         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
235         lto_orig_address_remove): Reimplement.
236
237 2010-04-28  Xinliang David Li  <davidxl@google.com>
238
239         PR c/42643
240         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
241         (compute_uninit_opnds_pos): New function.
242         (is_non_loop_exit_postdominating): New function.
243         (compute_control_dep_chain): New function.
244         (find_pdom): New function.
245         (convert_control_dep_chain_into_preds): New function.
246         (find_predicates): New function.
247         (find_control_equiv_block): New function.
248         (collect_phi_def_edges): New function.
249         (find_def_preds): New function.
250         (find_dom): New function.
251         (dump_predicates): New function.
252         (get_cmp_code): New function.
253         (is_value_included_in): New function.
254         (find_matching_predicate_in_rest_chains): New function.
255         (use_pred_not_overlap_with_undef_path_pred): New function.
256         (is_use_properly_guarded): New function.
257         (normalize_cond_1): New function.
258         (is_and_or_or): New function.
259         (normalize_cond): New function.
260         (is_gcond_subset_of): New function.
261         (is_subset_of_any): New function.
262         (is_or_set_subset_of): New function.
263         (is_and_set_subset_of): New function.
264         (is_norm_cond_subset_of): New function.
265         (is_pred_expr_subset_of): New function.
266         (is_pred_chain_subset_of): New function.
267         (is_included_in): New function.
268         (is_superset_of): New function.
269         (find_uninit_use): New function.
270         (warn_uninitialized_phi): New function.
271         (compute_possibly_undefined_names): New function.
272         (ssa_undefined_value_p): New function.
273         (execute_late_warn_uninitialized): New function.
274         * tree-ssa.c (ssa_undefined_value_p): Removed.
275         (warn_uninit): Changed to extern.
276         (warn_uninitialized_phi): Removed.
277         (warn_uninitialized_vars): Changed to extern.
278         (execute_late_warn_uninitialized): Removed
279         * tree-flow.h: Add new prototypes.
280         * timevar.def: Add new time variable.
281         * Makefile.in: Add new build file.
282
283 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
284
285         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
286         type if available.
287
288 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
289
290         PR target/22224
291         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
292
293 2010-04-28  Martin Jambor  <mjambor@suse.cz>
294
295         * cgraph.h (struct cgraph_node): New field indirect_calls.
296         (struct cgraph_indirect_call_info): New type.
297         (struct cgraph_edge): Removed field indirect_call. New fields
298         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
299         (cgraph_create_indirect_edge): Declare.
300         (cgraph_make_edge_direct): Likewise.
301         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
302         * ipa-prop.h (struct ipa_param_call_note): Removed.
303         (struct ipa_node_params): Removed field param_calls.
304         (ipa_create_all_structures_for_iinln): Declare.
305         * cgraph.c: Described indirect edges and uids in initial comment.
306         (cgraph_add_edge_to_call_site_hash): New function.
307         (cgraph_edge): Search also among the indirect edges, use
308         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
309         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
310         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
311         site hash.
312         (initialize_inline_failed): Assign a reason to indirect edges.
313         (cgraph_create_edge_1): New function.
314         (cgraph_create_edge): Moved some functionality to
315         cgraph_create_edge_1.
316         (cgraph_create_indirect_edge): New function.
317         (cgraph_edge_remove_callee): Add an assert checking for
318         non-indirectness.
319         (cgraph_edge_remove_caller): Special-case indirect edges.
320         (cgraph_remove_edge): Likewise.
321         (cgraph_set_edge_callee): New function.
322         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
323         (cgraph_make_edge_direct): New function.
324         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
325         the declaration of the call statement matches.
326         (cgraph_node_remove_callees): Special-case indirect edges.
327         (cgraph_clone_edge): Likewise.
328         (cgraph_clone_node): Clone also the indirect edges.
329         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
330         indirect_call, dump count of indirect_calls edges.
331         * ipa-prop.c (iinlining_processed_edges): New variable.
332         (ipa_note_param_call): Create indirect edges instead of
333         creating notes.  New parameter node.
334         (ipa_analyze_call_uses): New parameter node, pass it on to
335         ipa_note_param_call.
336         (ipa_analyze_stmt_uses): Likewise.
337         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
338         (print_edge_addition_message): Work on edges rather than on notes.
339         (update_call_notes_after_inlining): Likewise, renamed to
340         update_indirect_edges_after_inlining.
341         (ipa_create_all_structures_for_iinln): New function.
342         (ipa_free_node_params_substructures): Do not free notes.
343         (ipa_edge_duplication_hook): Propagate bits within
344         iinlining_processed_edges bitmap.
345         (ipa_node_duplication_hook): Do not duplicate notes.
346         (free_all_ipa_structures_after_ipa_cp): Renamed to
347         ipa_free_all_structures_after_ipa_cp.
348         (free_all_ipa_structures_after_iinln): Renamed to
349         ipa_free_all_structures_after_iinln.g
350         (ipa_write_param_call_note): Removed.
351         (ipa_read_param_call_note): Removed.
352         (ipa_write_indirect_edge_info): New function.
353         (ipa_read_indirect_edge_info): Likewise.
354         (ipa_write_node_info): Do not stream notes, do stream information
355         in indirect edges.
356         (ipa_read_node_info): Likewise.
357         (lto_ipa_fixup_call_notes): Removed.
358         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
359         * ipa-inline.c (pass_ipa_inline): Likewise.
360         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
361         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
362         * tree-inline.c (copy_bb): Removed an unnecessary double check for
363         is_gimple_call.
364         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
365         edges.
366         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
367         (output_cgraph): Stream also indirect edges.
368         (lto_output_edge): Added capability to stream indirect edges.
369         (input_edge): Likewise.
370         (input_cgraph_1): Likewise.
371         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
372         of indirect edges.
373
374 2010-04-28  Richard Guenther  <rguenther@suse.de>
375
376         PR tree-optimization/43879
377         PR tree-optimization/43909
378         * tree-ssa-structalias.c (struct variable_info): Add
379         only_restrict_pointers flag.
380         (new_var_info): Initialize it.  Increment stats.total_vars here.
381         (create_function_info_for): Do not increment stats.total_vars
382         here.
383         (get_function_part_constraint): Fix build with C++.
384         (insert_into_field_list): Remove.
385         (push_fields_onto_fieldstack): Properly merge fields.
386         (create_variable_info_for): Split and simplify.
387         (create_variable_info_for_1): New piece.
388         (intra_create_variable_infos): Properly make restrict constraints
389         from parameters.
390
391 2010-04-28  Richard Guenther  <rguenther@suse.de>
392
393         PR c++/43880
394         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
395         value-exprs.
396
397 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
398             Jan Hubicka <hubicka@ucw.cz>
399
400         * doc/invoke.texi (-Wsuggest-attribute=const,
401         -Wsuggest-attribute=pure): Document.
402         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
403         (function_always_visible_to_compiler_p,
404         suggest_attribute, warn_function_pure, warn_function_const):
405         New functions.
406         (check_call): Improve debug info.
407         (analyze_function): Do not check availability.
408         (add_new_function): Check availability.
409         (propagate): Output warnings.
410         (skip_function_for_local_pure_const): New function.
411         (local_pure_const): Use it; output warnings.
412         * common.opt (Wsuggest-attribute=const,
413         Wsuggest-attribute=pure): New.
414
415 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
416
417         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
418         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
419         or DW_CFA_def_cfa_offset{,_sf}.
420
421 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
422
423         * tree.h: Fix truncated long macros.
424
425 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
426
427         * collect2.c (TARGET_64BIT): Redefine to target's default.
428         * tlink.c: Likewise.
429         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
430         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
431         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
432         for underscoring __USER_LABEL_PREFIX__.
433         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
434         (SUB_LINK_ENTRY32): New.
435         (SUB_LINK_ENTRY64): New.
436         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
437         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
438         (SUB_LINK_ENTRY64): New.
439         (SUB_LINK_ENTRY): New.
440         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
441         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
442         x64 target is choosen.
443         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
444         * configure: Regenerated.
445         * configure.ac (leading-mingw64-underscores): Option added.
446
447 2010-04-27  Jan Hubicka  <jh@suse.cz>
448
449         * doc/invoke.texi (-fipa-profile): Document.
450         * opts.c (decode_options): Enable ipa-profile at -O1.
451         * timevar.def (TV_IPA_PROFILE): Define.
452         * common.opt (fipa-profile): Add.
453         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
454         flag for clones.
455         (cgraph_propagate_frequency): Handle only local ones.
456         * tree-pass.h (pass_ipa_profile): Declare.
457         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
458         (pass_ipa_profile): Use TV_IPA_PROFILE.
459         * ipa.c (ipa_profile): New function.
460         (gate_ipa_profile): Likewise.
461         (pass_ipa_profile): New global variable.
462         * passes.c (pass_ipa_profile): New.
463
464 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
465
466         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
467
468 2010-04-27  Martin Jambor  <mjambor@suse.cz>
469
470         PR middle-end/43812
471         * ipa.c (dissolve_same_comdat_group_list): New function.
472         (function_and_variable_visibility): Call
473         dissolve_same_comdat_group_list when comdat group contains external or
474         newly local nodes.
475         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
476         lists are circular and that they contain only DECL_ONE_ONLY nodes.
477
478 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
479
480         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
481         (const_hash_1) <VECTOR_CST>: New case.
482         (compare_constant) <VECTOR_CST>: Likewise.
483         <ADDR_EXPR>: Deal with LABEL_REFs.
484         (copy_constant) <VECTOR_CST>: New case.
485
486 2010-04-27  Jan Hubicka  <jh@suse.cz>
487
488         * cgraph.c (cgraph_propagate_frequency): New function.
489         * cgraph.h (cgraph_propagate_frequency): Declare.
490         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
491         cgraph_propagate_frequency.
492
493 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
494
495         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
496
497 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
498
499         PR target/40657
500         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
501         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
502         here to determine which regs to push and how much stack to reserve.
503
504 2010-04-27  Jie Zhang  <jie@codesourcery.com>
505
506         * doc/gimple.texi (gimple_statement_with_ops): Remove
507         addresses_taken field.
508         (gimple_statement_with_memory_ops): Likewise.
509
510 2010-04-27  Jan Hubicka  <jh@suse.cz>
511
512         * tree-inline.c (eni_inlining_weights): Remove.
513         (estimate_num_insns): Special case more builtins.
514
515 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
516
517         PR c/32207
518         * c-typeck.c (build_binary_op): Move forward check for comparison
519         pointer with null pointer constant and adjust the diagnostic message.
520
521 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
522
523         PR lto/42776
524         * configure.ac (gcc_cv_as_section_has_align): Set if installed
525         binutils supports extended .section directive needed by LTO, or
526         warn if older binutils found.
527         (LTO_BINARY_READER): New AC_SUBST'd variable.
528         (LTO_USE_LIBELF): Likewise.
529         * gcc/config.gcc (lto_binary_reader): New target-specific configure
530         variable.
531         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
532         (LTO_USE_LIBELF): Likewise.
533         * configure: Regenerate.
534
535         * collect2.c (is_elf): Rename from this ...
536         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
537          object files in addition to ELF-formatted ones.
538         (scan_prog_file): Caller updated.  Also allow for LTO info marker
539         symbol to be prefixed or not by an extra underscore.
540
541         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
542         * config/i386/winnt.c: Also #include lto-streamer.h
543         (i386_pe_asm_named_section): Specify 1-byte section alignment for
544         LTO named sections.
545         (i386_pe_asm_output_aligned_decl_common): Add comment.
546         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
547
548 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
549
550         PR target/43889
551         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
552         Add missing earlyclobber for second alternative.
553
554 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
555
556         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
557         bits for artificial defs at the top of the block.
558         * fwprop.c (single_def_use_enter_block): Don't call it.
559
560 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
561
562         PR 43715
563         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
564         instead of "$gcc_cv_objdump -T".
565         Use "-undefined dynamic_lookup" on darwin.
566         * gcc/configure: Regenerate.
567
568 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
569
570         PR c/43893
571         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
572
573 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
574
575         * c-parser.c (struct c_token): Move location field up.
576         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
577         (struct c_declspecs): Convert typespec_word, storage_class, and
578         default_int_p into bitfields.
579         (struct c_declarator): Move loc field up.
580
581 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
582
583         * cfgloop.h (struct loop): Move can_be_parallel field up.
584         * ipa-prop.h (struct ip_node_params): Move bitfields up.
585         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
586         down.
587         (struct iv_cand): Convert pos field into a bitfield.
588         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
589         field up.
590         (struct _stmt_vec_info): Shuffle fields for better packing.
591
592 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
593
594         * varasm.c (IN_NAMED_SECTION): Remove guard.
595         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
596         (IN_NAMED_SECTION_P): ...this.
597         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
598         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
599
600 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
601
602         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
603         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
604         of shadowing it.  Fix comments.
605
606 2010-04-26  Jan Hubicka  <jh@suse.cz>
607
608         * cgraph.c (cgraph_create_node): Set node frequency to normal.
609         (cgraph_clone_node): Copy function frequency.
610         * cgraph.h (node_frequency): New enum
611         (struct cgraph_node): Add.
612         * final.c (rest_of_clean_state): Update.
613         * lto-cgraph.c (lto_output_node): Output node frequency.
614         (input_overwrite_node): Input node frequency.
615         * tre-ssa-loop-ivopts (computation_cost): Update.
616         * lto-streamer-out.c (output_function): Do not output function
617         frequency.
618         * predict.c (maybe_hot_frequency_p): Update and handle functions
619         executed once.
620         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
621         attribute lookup.
622         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
623         (compute_function_frequency): Set noreturn functions to be executed
624         once.
625         (choose_function_section): Update.
626         * lto-streamer-in.c (input_function): Do not input function frequency.
627         * function.c (allocate_struct_function): Do not initialize function
628         frequency.
629         * function.h (function_frequency): Remove.
630         (struct function): Remove function frequency.
631         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
632         (try_update): Update.
633         * tree-inline.c (initialize_cfun): Do not update function frequency.
634         * passes.c (pass_init_dump_file): Update.
635         * i386.c (ix86_compute_frame_layout): Update.
636         (ix86_pad_returns): Update.
637
638 2010-04-26  Jie Zhang  <jie@codesourcery.com>
639
640         PR tree-optimization/43833
641         * tree-vrp.c (range_int_cst_p): New.
642         (range_int_cst_singleton_p): New.
643         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
644         when both operands are constants.  Use range_int_cst_p in
645         BIT_IOR_EXPR case.
646
647 2010-04-26  Jan Hubicka  <jh@suse.cz>
648
649         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
650
651 2010-04-26  Richard Guenther  <rguenther@suse.de>
652
653         PR lto/43080
654         * gimple.c (gimple_decl_printable_name): Deal gracefully
655         with a NULL DECL_NAME.
656
657 2010-04-26  Richard Guenther  <rguenther@suse.de>
658
659         PR lto/42425
660         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
661         if emitting debug information and it is either a function
662         or a namespace decl.
663
664 2010-04-26  Ira Rosen  <irar@il.ibm.com>
665
666         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
667         determine if the statement is vectorizable, and a macro to access it.
668         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
669         Skip statements that can't be vectorized. If the analysis fails,
670         mark the statement as unvectorizable if vectorizing basic block.
671         (vect_compute_data_refs_alignment): Likewise.
672         (vect_verify_datarefs_alignment): Skip statements marked as
673         unvectorizable. Add print.
674         (vect_analyze_group_access): Skip statements that can't be
675         vectorized. If the analysis fails, mark the statement as
676         unvectorizable if vectorizing basic block.
677         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
678         * tree-vect-stmts.c (vectorizable_store): Fix the number of
679         generated stmts for SLP.
680         (new_stmt_vec_info): Initialize the new field.
681         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
682         statements marked as unvectorizable.
683
684 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
685
686         * c-common.c (flag_isoc1x): New.
687         (flag_isoc99): Update comment.
688         * c-common.h (flag_isoc1x): New.
689         (flag_isoc99): Update comment.
690         * c-cppbuiltin.c (builtin_define_float_constants): Also define
691         __<type>_DECIMAL_DIG__.
692         * c-opts.c (set_std_c1x): New.
693         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
694         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
695         * c.opt (-std=c1x, -std=gnu1x): New options.
696         * doc/cpp.texi: Mention -std=c1x.
697         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
698         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
699         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
700         * doc/standards.texi: Mention C1X.
701         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
702         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
703         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
704         Define for C1X.
705
706 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
707
708         * config/i386/gmon-sol2.c (_mcleanup): Change format string
709         placeholder from 0x%x to %#x.
710         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
711         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
712         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
713         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
714         * config/i386/i386.c (ix86_target_string): Ditto.
715         (output_pic_addr_const): Ditto.
716         (print_operand): Ditto.
717
718 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
719
720         * combine.c (find_split_point): Add third argument.  Use it
721         to find nested multiply-accumulate instructions.  Adjust calls.
722         (try_combine): Adjust call to find_split_point.
723
724 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
725
726         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
727
728 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
729
730         PR tree-optimization/41442
731         * fold-const.c (merge_truthop_with_opposite_arm): New function.
732         (fold_binary_loc): Call it.
733
734 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
735
736         * toplev.c (general_init): Set default for fdiagnostics-show-option.
737         * opts.c (common_handle_option): Allow disabling it.
738         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
739
740 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
741
742         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
743         between modes if both types are integral.
744
745 2010-04-23  Richard Guenther  <rguenther@suse.de>
746
747         PR tree-optimization/43572
748         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
749
750 2010-04-23  Richard Guenther  <rguenther@suse.de>
751
752         PR lto/43455
753         * tree-inline.c (tree_can_inline_p): Also check compatibility
754         of return types.
755
756 2010-04-23  Martin Jambor  <mjambor@suse.cz>
757
758         PR tree-optimization/43846
759         * tree-sra.c (struct access): New flag grp_assignment_read.
760         (build_accesses_from_assign): Set grp_assignment_read.
761         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
762         (enum mark_read_status): New type.
763         (analyze_access_subtree): Propagate grp_assignment_read, create
764         accesses also if both direct_read and root->grp_assignment_read.
765
766 2010-04-23  Martin Jambor  <mjambor@suse.cz>
767
768         PR middle-end/43835
769         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
770         function does not have type attributes.
771
772 2010-04-23  Richard Guenther  <rguenther@suse.de>
773
774         PR lto/42653
775         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
776         of FUNCTION_DECLs.
777
778 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
779
780         * sese.h (create_if_region_on_edge): Remove.
781
782         * sese.c (create_if_region_on_edge): Make static.
783
784         * tree-inline.c: Do not include ggc.h.
785
786         * expr.c: Do not include ggc.h.
787
788         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
789         dependencies.
790
791 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
792
793         PR target/43744
794         * config/sh/sh.c (find_barrier): Don't emit a constant pool
795         in the middle of insns for casesi_worker_2.
796
797 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
798
799         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
800
801 2010-04-22  Ira Rosen  <irar@il.ibm.com>
802
803         PR tree-optimization/43842
804         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
805         loop unrolling in update of exit phis. Fix comment.
806         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
807         least two reduction statements in the loop before starting SLP
808         analysis.
809
810 2010-04-22  Nick Clifton  <nickc@redhat.com>
811
812         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
813
814 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
815
816         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
817         to simplify a + ~a.
818
819 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
820
821         * tree-parloops.c (loop_parallel_p): New argument
822         parloop_obstack.  Pass it down.
823         (parallelize_loops): New variable parloop_obstack.  Initialize it,
824         pass it down, free it.
825
826         * tree-loop-linear.c (linear_transform_loops): Pass down
827         lambda_obstack.
828
829         * tree-data-ref.h (lambda_compute_access_matrices): New argument
830         of type struct obstack *.
831
832         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
833         scratch_obstack.  Initialize it, pass down, free it.
834
835         * lambda.h (lambda_loop_new): Remove.
836         (lambda_matrix_new, lambda_matrix_inverse)
837         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
838         argument of type struct obstack *.
839
840         * lambda-trans.c (lambda_trans_matrix_new): New argument
841         lambda_obstack.  Pass it down, use obstack allocation for ret.
842         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
843         it down.
844
845         * lambda-mat.c (lambda_matrix_get_column)
846         (lambda_matrix_project_to_null): Remove.
847         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
848         allocation for mat.
849         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
850         lambda_obstack.
851
852         * lambda-code.c (lambda_loop_new): New function.
853         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
854         (lambda_compute_auxillary_space, lambda_compute_target_space)
855         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
856         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
857         (build_access_matrix): New argument lambda_obstack.  Use obstack
858         allocation for am.
859         (lambda_compute_step_signs, lambda_compute_access_matrices): New
860         argument lambda_obstack.  Pass it down.
861
862 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
863
864         * optabs.h (expand_widening_mult): Declare.
865
866 2010-04-22  Richard Guenther  <rguenther@suse.de>
867
868         PR tree-optimization/43845
869         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
870         lookup the CALL_EXPR function and arguments.
871
872 2010-04-22  Nick Clifton  <nickc@redhat.com>
873
874         * config/stormy16/stormy16.c
875         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
876         * config/stormy16/stormy16.h: Tidy up formatting.
877         (DONT_USE_BUILTIN_SETJMP): Remove definition.
878         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
879         (ineqbranchsi): Delete pattern.
880         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
881         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
882         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
883         stormy16-lib2-ucmpsi2.c.
884
885 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
886
887         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
888         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
889         extra set merge_set_noclobber, and use it to relax the final test
890         slightly.
891         * df.h (df_simulate_find_noclobber_defs): Declare.
892         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
893         conditional defs.
894         (df_simulate_find_noclobber_defs): New function.
895
896 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
897
898         * config/i386/i386.md: Use {} around multi-line preparation statements.
899
900 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
901
902         * c-tree.h (push_init_level, pop_init_level, set_init_index)
903         (process_init_element): New argument of type struct obstack *.
904
905         * c-typeck.c (push_init_level, pop_init_level, set_designator)
906         (set_init_index, set_init_label, set_nonincremental_init)
907         (set_nonincremental_init_from_string, find_init_member)
908         (output_init_element, output_pending_init_elements)
909         (process_init_element): New argument braced_init_obstack.  Pass it
910         down.
911         (push_range_stack, add_pending_init): New argument
912         braced_init_obstack.  Use obstack allocation.
913
914         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
915         braced_init_obstack.  Pass it down.
916         (c_parser_braced_init): New variables ret, braced_init_obstack.
917         Initialize obstack, pass it down and finally free it.
918
919 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
920
921         PR middle-end/29274
922         * tree-pass.h (pass_optimize_widening_mul): Declare.
923         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
924         gate_optimize_widening_mul): New static functions.
925         (pass_optimize_widening_mul): New.
926         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
927         <case MULT_EXPR>: Remove support for widening multiplies.
928         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
929         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
930         simplify_gen_unary rather than directly building extensions.
931         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
932         WIDEN_MULT_EXPR.
933         * expmed.c (expand_widening_mult): New function.
934         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
935
936 2010-04-21  Jan Hubicka  <jh@suse.cz>
937
938         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
939         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
940         * lto-wpa-fixup.c: Remove.
941         * Makefile.in (lto-wpa-fixup.o): Remove.
942         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
943         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
944         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
945
946 2010-04-21  Jan Hubicka  <jh@suse.cz>
947
948         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
949         add write_optimization_summary, read_optimization_summary.
950         (ipa_write_summaries_of_cgraph_node_set): Remove.
951         (ipa_write_optimization_summaries): Declare.
952         (ipa_read_optimization_summaries): Declare.
953         * ipa-cp.c (pass_ipa_cp): Update.
954         * ipa-reference.c (pass_ipa_reference): Update.
955         * ipa-pure-const.c (pass_ipa_pure_const): Update.
956         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
957         Update.
958         * ipa-inline.c (pass_ipa_inline): Update.
959         * ipa.c (pass_ipa_whole_program): Update.
960         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
961         * passes.c (ipa_write_summaries_1): Do not test wpa.
962         (ipa_write_optimization_summaries_1): New.
963         (ipa_write_optimization_summaries): New.
964         (ipa_read_summaries): Do not test ltrans.
965         (ipa_read_optimization_summaries_1): New.
966         (ipa_read_optimization_summaries): New.
967
968 2010-04-21  Jan Hubicka  <jh@suse.cz>
969
970         * lto-cgraph.c (lto_output_node): Do not output comdat groups
971         for boundary nodes.
972         (output_cgraph): Do not arrange comdat groups for boundary nodes.
973
974 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
975
976         PR debug/40040
977         * dwarf2out.c (add_name_and_src_coords_attributes): Add
978         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
979
980 2010-04-21  Jan Hubicka  <jh@suse.cz>
981
982         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
983
984 2010-04-21  Jan Hubicka  <jh@suse.cz>
985
986         * varpool.c (decide_is_variable_needed): Variable is always needed
987         during ltrans.
988
989 2010-04-21  Jan Hubicka  <jh@suse.cz>
990
991         * opts.c (decode_options): Enable pure-const pass for whopr.
992
993 2010-04-21  Jan Hubicka  <jh@suse.cz>
994
995         * cgraph.c (dump_cgraph_node): Dump also assembler name.
996         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
997         at WPA dumping.
998         (cgraph_decide_inlining): Do not expect callee to be removed in all
999         cases.
1000
1001 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1002
1003         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1004
1005 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1006
1007         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1008         amdfam10_decode attributes.
1009
1010 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1011
1012         PR middle-end/43570
1013         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1014         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1015         (lower_copyprivate_clauses): Use private var in outer
1016         context instead of original var.  Make sure the types
1017         are correct for VLAs.
1018
1019 2010-04-21  Richard Guenther  <rguenther@suse.de>
1020
1021         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1022         to non-pointer objects.
1023
1024 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1025
1026         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1027         last chain entry if it starts with the still current label.
1028         (add_location_or_const_value_attribute): Check that
1029         loc_list->first->next is NULL instead of comparing ->first with ->last.
1030         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1031         to add_var_loc_to_decl.
1032
1033         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1034         >= 4 add also address size and segment size fields into CIE header.
1035
1036         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1037         long as address size is the same as sizeof (void *) and
1038         segment size is 0.
1039         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1040         address size or segment size is unexpected, return DW_EH_PE_omit.
1041         (classify_object_over_fdes): If get_cie_encoding returned
1042         DW_EH_PE_omit, return -1.
1043         (init_object): If classify_object_over_fdes returned -1,
1044         pretend there were no FDEs at all.
1045
1046 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1047
1048         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1049         bswap{si,di}2 using SWI48 mode iterator.
1050         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1051         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1052         set modrm attribute of bswap insn to 0 and remove length attribute.
1053         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1054         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1055         set mode attribute to <MODE> and remove length attribute.
1056
1057 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1058
1059         PR rtl-optimization/43520
1060         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1061         zero available registers.
1062
1063 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1064
1065         * builtins.c (fold_builtin_cproj): Fold more cases.
1066
1067 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1068
1069         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1070         (fold_builtin_1): Fold builtin cproj.
1071         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1072         Use ATTR_CONST_NOTHROW_LIST.
1073
1074 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1075
1076         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1077         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1078         ffsi2_no_cmove for !TARGET_CMOVE.
1079         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1080         (ffssi2): Remove expander.
1081         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1082         mode iterator.
1083         (ctz<mode>2): Ditto from ctz{si,di}2.
1084         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1085         mode iterator.
1086         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1087         mode iterator.
1088
1089 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1090
1091         * dwarf2out.c (AT_linkage_name): Define.
1092         (clone_as_declaration): Handle DW_AT_linkage_name.
1093         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1094         of DW_AT_MIPS_linkage_name.
1095         (move_linkage_attr): Likewise.
1096         (dwarf2out_finish): Likewise.
1097
1098 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1099
1100         PR middle-end/41952
1101         * fold-const.c (fold_comparison): New folding rule.
1102
1103 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1104
1105         * double-int.h (double_int_setbit): Declare.
1106         * double-int.c (double_int_setbit): New function.
1107         * rtl.h (immed_double_int_const): Declare.
1108         * emit-rtl.c (immed_double_int_const): New function.
1109         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1110         and immed_double_int_const functions.
1111         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1112         expand_copysign_bit):  (Ditto.).
1113         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1114         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1115         * dojump.c (prefer_and_bit_test): (Ditto.).
1116         * expr.c (convert_modes, reduce_to_bit_field_precision,
1117         const_vector_from_tree): (Ditto.).
1118         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1119
1120 2010-04-20  Jan Hubicka  <jh@suse.cz>
1121
1122         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1123         (dump_cgraph_node): Dump new flags.
1124         * cgraph.h (struct cgraph_node): Add flags
1125         reachable_from_other_partition and in_other_partition.
1126         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1127         other partition can not be removed.
1128         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1129         the other partition must be output; silence sanity checking on
1130         leaking functions bodies from other paritition.
1131         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1132         (lto_output_node): Output new flags; do not sanity check that inline
1133         clones are output; drop lto_forced_extern_inline_p code; do not mock
1134         visibility flags at partition boundaries.
1135         (add_node_to): New function.
1136         (output_cgraph): Use it to sort functions so masters appear before
1137         clones.
1138         (input_overwrite_node): Input new flags.
1139         * passes.c (ipa_write_summaries): Do not call
1140         lto_new_extern_inline_states.
1141         * lto-section-out.c (forced_extern_inline,
1142         lto_new_extern_inline_states lto_delete_extern_inline_states,
1143         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1144         * lto-streamer.h (lto_new_extern_inline_states,
1145         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1146         lto_forced_extern_inline_p): Kill.
1147
1148 2010-04-20  Richard Guenther  <rguenther@suse.de>
1149
1150         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1151         from vars that can have pointers.
1152         (process_constraint): Dump useless constraints.
1153
1154 2010-04-20  Richard Guenther  <rguenther@suse.de>
1155
1156         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1157         (dump_sa_points_to_info): Remove asserts.
1158         (init_base_vars): nothing_id isn't an escape point nor does it
1159         have pointers.
1160
1161 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1162
1163         * tree.h (TYPE_REF_IS_RVALUE): Define.
1164         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1165         should_move_die_to_comdat, prune_unused_types_walk): Handle
1166         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1167         (modified_type_die, gen_reference_type_die): Emit
1168         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1169         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1170
1171 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1172
1173         PR target/43635
1174         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1175         calls for -fpic -m31 if they have been sibcall optimized.
1176
1177 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1178
1179         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1180         ar.lc fixed and call-used.
1181
1182         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1183
1184 2010-04-19  Jan Hubicka  <jh@suse.cz>
1185
1186         * opts.c (decode_options): Disable whpr incompatible passes.
1187         * lto/lto.c (lto_1_to_1_map): Skip clones.
1188         (read_cgraph_and_symbols): Do not mark everything as needed.
1189         (do_whole_program_analysis): Do map only after optimizing;
1190         set proper cgraph_state; use passmanager.
1191
1192 2010-04-19  DJ Delorie  <dj@redhat.com>
1193
1194         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1195         POINTER_PLUS_EXPR and fix them.
1196
1197 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1198
1199         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1200         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1201         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1202         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1203         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1204         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1205         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1206         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1207         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1208         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1209         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1210
1211 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1212
1213         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1214         (check_cond_move_block): Likewise.
1215         (cond_move_process_if_block): Likewise.
1216         (noce_find_if_block): Improve formatting.
1217         (find_if_header): Pass 0 to memset and tweak conditions.
1218         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1219
1220 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1221
1222         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1223         for -gdwarf-4.
1224
1225         PR middle-end/43337
1226         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1227         with non-local decl doesn't need chain.
1228
1229 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1230
1231         * ira-color.c (allocno_reload_assign): Avoid accumulating
1232         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1233
1234 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1235
1236         * gimple.h (create_tmp_reg): Declare.
1237         * gimplify.c (create_tmp_reg): New function.
1238         (gimplify_return_expr): Use create_tmp_reg.
1239         (gimplify_omp_atomic): Likewise.
1240         (gimple_regimplify_operands): Likewise.
1241         * tree-dfa.c (make_rename_temp): Likewise.
1242         * tree-predcom.c (predcom_tmp_var): Likewise.
1243         (reassociate_to_the_same_stmt): Likewise.
1244         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1245         (get_replaced_param_substitute): Likewise.
1246         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1247         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1248         * tree-ssa-pre.c (get_representative_for): Likewise.
1249         (create_expression_by_pieces): Likewise.
1250         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1251         (create_tailcall_accumulator): Likewise.
1252
1253 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1254
1255         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1256         new_stmt.
1257         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1258
1259 2010-04-19  Richard Guenther  <rguenther@suse.de>
1260
1261         PR tree-optimization/43796
1262         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1263         from SCEV in the lattice.
1264         (vrp_visit_phi_node): Dump change.
1265
1266 2010-04-19  Richard Guenther  <rguenther@suse.de>
1267
1268         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1269         * configure: Re-generated.
1270
1271 2010-04-19  Richard Guenther  <rguenther@suse.de>
1272
1273         PR tree-optimization/43783
1274         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1275         constant ARRAY_REF operands two and three if possible.
1276
1277 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1278
1279         PR target/43766
1280         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1281
1282 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1283
1284         PR target/43662
1285         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1286
1287 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1288
1289         PR tree-optimization/37027
1290         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1291         and macro to access it.
1292         (vectorizable_reduction): Add argument.
1293         (vect_get_slp_defs): Likewise.
1294         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1295         statements for possible use in SLP.
1296         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1297         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1298         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1299         add new argument.
1300         (vectorizable_reduction): Likewise.
1301         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1302         vect_get_slp_defs.
1303         (vectorizable_type_demotion, vectorizable_type_promotion,
1304         vectorizable_store): Likewise.
1305         (vect_analyze_stmt): Update call to vectorizable_reduction.
1306         (vect_transform_stmt): Likewise.
1307         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1308         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1309         from different interleaving chains in same node.
1310         (vect_slp_rearrange_stmts): New function.
1311         (vect_supported_load_permutation_p): Allow load permutations for
1312         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1313         inside SLP nodes if necessary.
1314         (vect_analyze_slp_instance): Handle reductions.
1315         (vect_analyze_slp): Try to build SLP instances originating from groups
1316         of reductions.
1317         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1318         (vect_get_constant_vectors): Create initial vectors for reductions
1319         according to reduction code. Add new argument.
1320         (vect_get_slp_defs): Add new argument, pass it to
1321         vect_get_constant_vectors.
1322         (vect_schedule_slp_instance): Remove SLP tree root statements.
1323
1324 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1325
1326         * tree.h (ENUM_IS_SCOPED): Define.
1327         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1328         for ENUM_IS_SCOPED enums.
1329
1330 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1331
1332         * fold-const.c (fold_comparison): Use ssizetype.
1333         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1334         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1335         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1336         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1337
1338         * tree.h (initialize_sizetypes): Remove parameter.
1339         (build_common_tree_nodes): Remove second parameter.
1340         * stor-layout.c (initialize_sizetypes): Remove parameter.
1341         Always create an unsigned type.
1342         (set_sizetype): Assert that the passed type is unsigned and simplify.
1343         * tree.c (build_common_tree_nodes): Remove second parameter.
1344         Adjust call to initialize_sizetypes.
1345         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1346         build_common_tree_nodes.
1347
1348 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1349
1350         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1351
1352 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1353
1354         PR tree-optimization/43771
1355         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1356         load permutation doesn't have gaps.
1357
1358 2010-04-18  Jan Hubicka  <jh@suse.cz>
1359
1360         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1361         (sse_prologue_save_insn expander): Use new pattern.
1362         (sse_prologue_save_insn1): New pattern and splitter.
1363         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1364         blocks.
1365         * i386.c (setup_incoming_varargs_64): Do not compute jump
1366         destination here.
1367         (ix86_gimplify_va_arg): Update alignment needed.
1368         (ix86_local_alignment): Do not align all local arrays to 128bit.
1369
1370 2010-04-17  Jan Hubicka  <jh@suse.cz>
1371
1372         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1373
1374 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1375
1376         * arm.md (negdi2): Remove redundant code to force values into a
1377         register.
1378
1379 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1380
1381         * arm/bpabi.S: Add EABI alignment attributes to objects.
1382         * arm/bpabi-v6m.S: Likewise.
1383         * arm/crti.asm: Likewise.
1384         * arm/crtn.asm: Likewise.
1385         * arm/lib1funcs.asm: Likewise.
1386         * arm/libunwind.S: Likewise.
1387
1388 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1389
1390         * arm-protos.h (tune_params): New structure.
1391         * arm.c (current_tune): New variable.
1392         (arm_constant_limit): Delete.
1393         (struct processors): Add pointer to the tune parameters.
1394         (arm_slowmul_tune): New tuning option.
1395         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1396         (all_cores): Adjust to pick up the tuning model.
1397         (arm_constant_limit): New function.
1398         (arm_override_options): Select the appropriate tuning model.  Delete
1399         initialization of arm_const_limit.
1400         (arm_split_constant): Use the new constant-limit model.
1401         (arm_rtx_costs): Pick up the current tuning model.
1402         * arm.md (is_strongarm, is_xscale): Delete.
1403         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1404         for Xscale variant architectures.
1405         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1406
1407 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1408
1409         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1410         can_shift.
1411         (arm_rtx_costs_1): Remove unused variable extra_cost.
1412         (arm_unwind_emit_set): Use variable offset.
1413         (thumb1_output_casesi): Remove unused variable flags.
1414
1415 2010-04-16  Jeff Law  <law@redhat.com>
1416
1417         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1418         needing assignment rather than doing a two-phase assignment.  Remove
1419         unused variable 'm'.
1420
1421 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1422
1423         PR bootstrap/43767
1424         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1425
1426 2010-04-16  Doug Kwan  <dougkwan@google.com>
1427
1428         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1429         (next_operand_entry_id): New static variable.
1430         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1431         (add_to_ops_vec): Assigned unique ID to operand entry.
1432         (struct oecount_s): New field ID.
1433         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1434         (undistribute_ops_list): Assign unique IDs to oecounts.
1435         (init_reassoc): reset next_operand_entry_id.
1436
1437 2010-04-16  Doug Kwan  <dougkwan@google.com>
1438
1439         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1440         missing left parenthesis.
1441
1442 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1443
1444         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1445         *btdi_rex64 using SWI48 mode iterator.
1446         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1447         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1448         *jcc_btdi_mask_rex64.
1449
1450 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1451
1452         * double-int.h (tree_to_double_int): Convert to macro.
1453         * double-int.c (tree_to_double_int): Remove.
1454
1455 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1456
1457         PR debug/43762
1458         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1459         with want_address 2 and in case a single element list might be
1460         possible, call it again with want_address 0.
1461
1462 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1463
1464         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1465         case 'W' print operands for HI mode.
1466         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1467         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1468         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1469         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1470
1471         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1472
1473         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1474         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1475         #xx:3 and #xx:4 mode.
1476
1477         * config/h8300/h8300.md (inverted load with HImode dest): Add
1478         support for H8300SX.
1479
1480         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1481         satisfy 'U' constraint.
1482
1483 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1484
1485         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1486         * configure: Regenerate.
1487         * config.in: Regenerate.
1488         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1489         works.
1490
1491 2010-04-16  Richard Guenther  <rguenther@suse.de>
1492
1493         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1494         (struct tree_decl_common): ... here.
1495         (DECL_PT_UID): Adjust.
1496         (SET_DECL_PT_UID): Likewise.
1497         (DECL_PT_UID_SET_P): Likewise.
1498
1499 2010-04-16  Richard Guenther  <rguenther@suse.de>
1500
1501         PR tree-optimization/43572
1502         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1503         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1504         * tree-flow.h (is_call_clobbered): Remove.
1505         * tree-flow-inline.h (is_call_clobbered): Likewise.
1506         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1507         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1508         (execute_return_slot_opt): Adjust.
1509         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1510         check for call clobbered vars here.
1511         (find_tail_calls): Move tailcall verification to the
1512         proper place.
1513
1514 2010-04-16  Diego Novillo  <dnovillo@google.com>
1515
1516         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1517
1518 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1519
1520         PR target/40603
1521         * config/arm/arm.md (cbranchqi4): New pattern.
1522         * config/arm/predicates.md (const0_operand,
1523         cbranchqi4_comparison_operator): New predicates.
1524
1525 2010-04-16  Richard Guenther  <rguenther@suse.de>
1526
1527         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1528         (dump_gimple_stmt): Likewise.
1529
1530 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1531
1532         * recog.h (struct recog_data): New field is_operator.
1533         (struct insn_operand_data): New field is_operator.
1534         * recog.c (extract_insn): Set recog_data.is_operator.
1535         * genoutput.c (output_operand_data): Emit code to set the
1536         is_operator field.
1537         * reload.c (find_reloads): Use it rather than testing for an
1538         empty constraint string.
1539
1540         PR target/41514
1541         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1542         If the previous insn is a cbranchsi4_insn with the same arguments,
1543         omit the compare instruction.
1544
1545         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1546         register, inputs must be low registers and we need a low register
1547         scratch.  Handle alternative 2 like alternative 3.
1548
1549 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1550
1551         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1552         don't call get_addr on both.  If one expression is a VALUE and
1553         the other a REG, check VALUE's locs if the REG isn't among them.
1554
1555 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1556
1557         * config/sh/sh.h (sh_frame_pointer_required): New function.
1558         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1559         (flag_omit_frame_pointer) Set.
1560         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1561         (rounded_frame_size): Adjust size with outgoing_args_size.
1562         (sh_set_return_address): Must return from stack pointer.
1563         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1564         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1565         (ACCUMULATE_OUTGOING_ARGS): Define.
1566         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1567         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1568
1569 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1570
1571         PR target/43471
1572         * config/sh/sh.c (sh_legitimize_reload_address): Use
1573         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1574         Remove a unneeded check for offset_base.
1575
1576 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1577
1578         * configure: Regenerated.
1579
1580 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1581
1582         * config/s390/s390.c (s390_call_save_register_used): Switch back
1583         to HARD_REGNO_NREGS.
1584
1585 2010-04-15  Richard Guenther  <rguenther@suse.de>
1586
1587         * alias.c (alias_set_subset_of): Handle alias-set zero
1588         child properly.
1589
1590 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1591             Julian Brown  <julian@codesourcery.com>
1592
1593         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1594         alternatives according to use of high and low regs.
1595         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1596         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1597         optimizing for size on Thumb-2.
1598
1599 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1600
1601         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1602
1603 2010-04-15  Richard Guenther  <rguenther@suse.de>
1604
1605         * tree-ssa-structalias.c (struct variable_info): Add
1606         is_fn_info flag.
1607         (new_var_info): Initialize it.
1608         (dump_constraints): Support printing last added constraints.
1609         (debug_constraints): Adjust.
1610         (dump_constraint_graph): Likewise.
1611         (make_heapvar_for): Check for NULL cfun.
1612         (get_function_part_constraint): New function.
1613         (get_fi_for_callee): Likewise.
1614         (find_func_aliases): Properly implement IPA PTA constraints.
1615         (process_ipa_clobber): New function.
1616         (find_func_clobbers): Likewise.
1617         (insert_into_field_list_sorted): Remove.
1618         (create_function_info_for): Properly allocate vars for IPA mode.
1619         Do not use insert_into_field_list_sorted.
1620         (create_variable_info_for): Properly generate constraints for
1621         global vars in IPA mode.
1622         (dump_solution_for_var): Always dump the solution.
1623         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1624         (find_what_var_points_to): Adjust.
1625         (pt_solution_set): Change.
1626         (pt_solution_ior_into): New function.
1627         (pt_solution_empty_p): Export.
1628         (pt_solution_includes_global): Adjust.
1629         (pt_solution_includes_1): Likewise.
1630         (pt_solutions_intersect_1): Likewise.
1631         (dump_sa_points_to_info): Check some invariants.
1632         (solve_constraints): Move constraint dumping ...
1633         (compute_points_to_sets): ... here.
1634         (ipa_pta_execute): ... and here.
1635         (compute_may_aliases): Do not re-compute points-to info
1636         locally if IPA info is available.
1637         (ipa_escaped_pt): New global var.
1638         (ipa_pta_execute): Properly implement IPA PTA.
1639         * tree-into-ssa.c (dump_decl_set): Support dumping
1640         decls not in referenced-vars.
1641         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1642         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1643         (dump_points_to_solution): Likewise.
1644         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1645         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1646         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1647         (copy_decl_to_var): Copy DECL_PT_UID.
1648         (copy_result_decl_to_var): Likewise.
1649         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1650         (copy_node_stat): Copy it.
1651         * tree.h (DECL_PT_UID): New macro.
1652         (SET_DECL_PT_UID): Likewise.
1653         (DECL_PT_UID_SET_P): Likewise.
1654         (struct tree_decl_minimal): Add pt_uid member.
1655         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1656         (pt_solution_empty_p): Declare.
1657         (pt_solution_set): Adjust.
1658         (ipa_escaped_pt): Declare.
1659         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1660         * gimple-pretty-print.c (pp_points_to_solution): New function.
1661         (dump_gimple_call): Dump call clobber/use information.
1662         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1663         * tree-pass.h (TDF_ALIAS): New dump option.
1664         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1665         * doc/invoke.texi (-fipa-pta): Update documentation.
1666
1667 2010-04-15  Richard Guenther  <rguenther@suse.de>
1668
1669         * Makefile.in (OBJS-common): Add gimple-fold.o.
1670         (gimple-fold.o): New rule.
1671         * tree.h (maybe_fold_offset_to_reference,
1672         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1673         prototypes ...
1674         * gimple.h: ... here.
1675         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1676         may_propagate_address_into_dereference): Move prototypes ...
1677         * gimple.h: ... here.
1678         * tree-ssa-ccp.c (get_symbol_constant_value,
1679         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1680         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1681         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1682         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1683         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1684         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1685         gimplify_and_update_call_from_tree): Move ...
1686         * gimple-fold.c: ... here.  New file.
1687         (ccp_fold_builtin): Rename to ...
1688         (gimple_fold_builtin): ... this.
1689         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1690
1691 2010-04-15  Richard Guenther  <rguenther@suse.de>
1692
1693         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1694         fit_double_type, force_fit_type_double, add_double_with_sign,
1695         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1696         lrotate_double, rrotate_double, div_and_round_double): Move ...
1697         * double-int.c: ... here.
1698         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1699         add_double, neg_double, mul_double_with_sign, mul_double,
1700         lshift_double, rshift_double, lrotate_double, rrotate_double,
1701         div_and_round_double): Move prototypes ...
1702         * double-int.h: ... here.
1703
1704 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1705
1706         PR target/43742
1707         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1708         matching constraints to ensure inputs match the output.
1709
1710 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1711
1712         PR target/43742
1713         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1714         in an input-only operand.
1715
1716 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1717
1718         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1719         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1720         (double_int_negative_p): Convert to static inline function.
1721         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1722         (double_int_negative_p): Remove.
1723         * tree.h (lshift_double, rshift_double):
1724         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1725         * fold-const.c (fold_convert_const_int_from_real,
1726         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1727         (lshift_double): Change type of arith argument to bool.
1728         (rshift_double): Change type of arith argument to bool. Correct
1729         comment.
1730         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1731
1732 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1733
1734         PR target/21803
1735         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1736         at the start and end of the then/else blocks, and omit them from the
1737         conversion.
1738         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1739         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1740         (flow_find_head_matching_sequence): New function.
1741         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1742         * basic-block.h (flow_find_cross_jump,
1743         flow_find_head_matching_sequence): Declare functions.
1744
1745 2010-04-14  Jason Merrill  <jason@redhat.com>
1746
1747         PR c++/36625
1748         * c-common.c (attribute_takes_identifier_p): New fn.
1749         * c-common.h: Declare it.
1750
1751 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1752
1753         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1754         splitter condition.
1755         (*udivmod<mode>4): Ditto.
1756
1757 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1758
1759         * config/i386/i386.md (maxmin_int): Rename code attribute from
1760         maxminiprefix and update all users.
1761         (maxmin_float): Ditto from maxminfprefix.
1762         (logic): Ditto from logicprefix.
1763         (absneg_mnemonic): Ditto from absnegprefix.
1764         * config/i386/mmx.md: Update all users of maxminiprefix,
1765         maxminfprefix and logicprefix for rename.
1766         * config/i386/sse.md: Ditto.
1767         * config/i386/sync.md (sync_<code><mode>): Update for
1768         logicprefix rename.
1769
1770 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1771
1772         PR 42966
1773         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1774         warnings converted to errors.
1775
1776 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1777
1778         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1779         used insn_type variable.
1780         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1781         to avoid set-but-not-used warning.
1782
1783 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1784
1785         * df-core.c (df_ref_debug): Change format string placeholder
1786         from 0x%x to %#x.
1787         * dwarf2asm.c (dw2_asm_output_data_raw,
1788         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1789         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1790         * dwarf2out.c (output_cfi, output_cfi_directive,
1791         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1792         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1793         Ditto.
1794         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1795         * print-rtl.c (print_rtx): Ditto.
1796
1797 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1798
1799         PR middle-end/42694
1800         * builtins.c (expand_builtin_pow_root): New function to expand pow
1801         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1802         series of sqrt and cbrt calls under -ffast-math.
1803         (expand_builtin_pow): Call it.
1804
1805 2010-04-14  Michael Matz  <matz@suse.de>
1806
1807         PR tree-optimization/42963
1808         * tree-cfg.c (touched_switch_bbs): New static variable.
1809         (group_case_labels_stmt): New function broken out from ...
1810         (group_case_labels): ... here, use the above.
1811         (start_recording_case_labels): Allocate touched_switch_bbs.
1812         (end_recording_case_labels): Deallocate it, call
1813         group_case_labels_stmt.
1814         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1815
1816 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1817
1818         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1819         from insn template.
1820
1821 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1822
1823         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1824
1825 2010-04-13  Jan Hubicka  <jh@suse.cz>
1826
1827         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1828         of optimized out static functions.
1829         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1830         cost computation.  Also sanity check for overflows.
1831         (update_caller_keys): Update cgraph_edge_badness call; properly
1832         update fibheap and sanity check that it is up to date.
1833         (add_new_edges_to_heap): Update cgraph_edge_badness.
1834         (cgraph_decide_inlining_of_small_function): Likewise;
1835         add sanity checking that badness in heap is up to date;
1836         improve dumping of reason; Update badness of calls to the
1837         offline copy of function currently inlined; dump badness
1838         of functions not inlined because of unit growth limits.
1839
1840 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1841
1842         PR middle-end/32628
1843         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1844         because of sign-extension change when converting to sizetype here...
1845         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1846
1847         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1848         the folding to constants.  Remove redundant final conversion.
1849         (fold_binary) <associate>: Do not associate if the re-association of
1850         constants alone overflows.
1851         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1852         to the end of the list.
1853         (multiple_of_p) <COND_EXPR>: New case.
1854
1855 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1856
1857         * opt-functions.awk (opt_sanitized_name): New.
1858         (opt_enum): New.
1859         * optc-gen.awk: Use it
1860         * opth-gen.awk: Use it.
1861
1862 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1863
1864         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1865         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1866         children.  Call replace_uses_with_default_def_ssa_name to handle
1867         SSA_NAES on lhs.
1868
1869 2010-04-13  Michael Matz  <matz@suse.de>
1870
1871         PR middle-end/43730
1872         * builtins.c (expand_builtin_interclass_mathfn): Also create
1873         a register if the predicate doesn't match.
1874
1875 2010-04-13  Diego Novillo  <dnovillo@google.com>
1876
1877         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1878         * c-pch.c: Include timevar.h.
1879         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1880         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1881         * ggc-common.c: Include timevar.h.
1882         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1883         * timevar.def (TV_PCH_SAVE): Define.
1884         (TV_PCH_CPP_SAVE): Define.
1885         (TV_PCH_PTR_REALLOC): Define.
1886         (TV_PCH_PTR_SORT): Define.
1887         (TV_PCH_RESTORE): Define.
1888         (TV_PCH_CPP_RESTORE): Define.
1889
1890 2010-04-13  Michael Matz  <matz@suse.de>
1891
1892         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1893         into MINUS_EXPRs.
1894         (can_reassociate_p): New function.
1895         (break_up_subtract_bb, reassociate_bb): Use it.
1896
1897 2010-04-13  Richard Guenther  <rguenther@suse.de>
1898
1899         PR bootstrap/43737
1900         * builtins.c (c_readstr): Fix assert.
1901
1902 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1903
1904         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1905         when generating cltd insn.
1906
1907         (*ashl<mode>3_1): Remove special handling for register operand 2.
1908         (*ashlsi3_1_zext): Ditto.
1909         (*ashlhi3_1): Ditto.
1910         (*ashlhi3_1_lea): Ditto.
1911         (*ashlqi3_1): Ditto.
1912         (*ashlqi3_1_lea): Ditto.
1913         (*<shiftrt_insn><mode>3_1): Ditto.
1914         (*<shiftrt_insn>si3_1_zext): Ditto.
1915         (*<shiftrt_insn>qi3_1_slp): Ditto.
1916         (*<rotate_insn><mode>3_1): Ditto.
1917         (*<rotate_insn>si3_1_zext): Ditto.
1918         (*<rotate_insn>qi3_1_slp): Ditto.
1919
1920 2010-04-13  Richard Guenther  <rguenther@suse.de>
1921
1922         * tree-ssa-structalias.c (callused_id): Remove.
1923         (call_stmt_vars): New.
1924         (get_call_vi): Likewise.
1925         (lookup_call_use_vi): Likewise.
1926         (lookup_call_clobber_vi): Likewise.
1927         (get_call_use_vi): Likewise.
1928         (get_call_clobber_vi): Likewise.
1929         (make_transitive_closure_constraints): Likewise.
1930         (handle_const_call): Adjust to do per-call call-used handling.
1931         (handle_pure_call): Likewise.
1932         (find_what_var_points_to): Remove general callused handling.
1933         (init_base_vars): Likewise.
1934         (init_alias_vars): Initialize call_stmt_vars.
1935         (compute_points_to_sets): Process call-used and call-clobbered
1936         vars for call statements.
1937         (delete_points_to_sets): Free call_stmt_vars.
1938
1939 2010-04-13  Richard Guenther  <rguenther@suse.de>
1940
1941         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1942         Only add RW dependence for dependence distance zero.
1943         Adjust maximal vectorization factor according to dependences.
1944         Move alignment handling ...
1945         (vect_find_same_alignment_drs): ... here.  New function.
1946         (vect_analyze_data_ref_dependences): Adjust.
1947         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1948         (vect_analyze_data_refs): Adjust minimal vectorization factor
1949         according to data references.
1950         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1951         dependences before determining the vectorization factor.
1952         Analyze alignment after determining the vectorization factor.
1953         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1954         dependences before alignment.
1955         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1956         Adjust prototype.
1957         (vect_analyze_data_refs): Likewise.
1958         (MAX_VECTORIZATION_FACTOR): New define.
1959
1960 2010-04-13  Duncan Sands  <baldrick@free.fr>
1961
1962         * except.h (lang_eh_type_covers): Remove.
1963         * except.c (lang_eh_type_covers): Likewise.
1964
1965 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1966             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1967
1968         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1969         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1970         UNITS_PER_LONG where it is ABI relevant.
1971         (s390_return_addr_rtx): Likewise.
1972         (s390_back_chain_rtx): Likewise.
1973         (s390_frame_area): Likewise.
1974         (s390_frame_info): Likewise.
1975         (s390_initial_elimination_offset): Likewise.
1976         (save_gprs): Likewise.
1977         (s390_emit_prologue): Likewise.
1978         (s390_emit_epilogue): Likewise.
1979         (s390_function_arg_advance): Likewise.
1980         (s390_function_arg): Likewise.
1981         (s390_va_start): Likewise.
1982         (s390_gimplify_va_arg): Likewise.
1983         (s390_function_profiler): Likewise.
1984         (s390_optimize_prologue): Likewise.
1985         (s390_rtx_costs): Likewise.
1986         (s390_secondary_reload): Likewise.
1987         (s390_promote_function_mode): Likewise.
1988         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1989         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1990         registers available.
1991         (s390_unwind_word_mode): New function.
1992         (s390_function_value): Split 64 bit values into register pair if
1993         used as return value.
1994         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1995         function call parameters.  Handle parallels.
1996         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1997         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1998         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1999         (s390_expand_setmem): Remove unused variable src_addr.
2000         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2001         deal with 64 bit registers.
2002         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2003         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2004         (UNITS_PER_LONG): New macro.
2005         * libjava/include/s390-signal.h: Define extended ucontext
2006         structure containing the upper halfs of the 64 bit registers.
2007
2008 2010-04-13  Simon Baldwin  <simonb@google.com>
2009
2010         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2011
2012 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2013
2014         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2015         rvalue on the RHS if the LHS is of a non-renamable type.
2016         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2017
2018 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2019
2020         * gcc.c (cc1_options): Handle -iplugindir before processing
2021         the cc1 spec. Only add -iplugindir once.
2022         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2023         found.
2024         * common.opt (iplugindir): Remove `Separate' property, initialize.
2025         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2026         option.
2027         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2028         (distclean): Remove plugin dir.
2029         * doc/invoke.texi: Document -iplugindir.
2030
2031 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2032
2033         * doc/plugins.texi (Loading Plugins): Document short
2034         -fplugin=foo option.
2035         (Plugin API): Mention default_plugin_dir_name function.
2036
2037         * gcc.c (find_file_spec_function): Add new declaration.
2038         (static_spec_func): Use it for "find-file".
2039         (find_file_spec_function): Add new function.
2040         (cc1_options): Add -iplugindir option if -fplugin* options found.
2041
2042         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2043
2044         * plugin.c (add_new_plugin): Updated comment, and handle short
2045         plugin name.
2046         (default_plugin_dir_name): Added new function.
2047
2048         * common.opt (iplugindir): New option to set the plugin directory.
2049
2050 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2051
2052         * config/i386/i386.md (any_rotate): New code iterator.
2053         (rotate_insn): New code attribute.
2054         (rotate): Ditto.
2055         (SWIM124): New mode iterator.
2056         (<rotate_insn>ti3): New expander.
2057         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2058         any_rotate code iterator.
2059         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2060         using any_rotate code iterator and SWIM124 mode iterator.
2061         (ix86_rotlti3): New insn_and_split pattern.
2062         (ix86_rotrti3): Ditto.
2063         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2064         ix86_rotl{di,ti}3 patterns.
2065         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2066         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2067         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2068         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2069         code iterator and SWI mode iterator.
2070         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2071         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2072         code iterator.
2073         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2074         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2075         (bswap rotatert splitter): Add splitter.
2076         (bswap splitter): Macroize splitter using any_rotate code iterator.
2077         Add insn predicate to split only for TARGET_USE_XCHGB or when
2078         optimizing function for size.
2079
2080 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2081
2082         * config/pa/pa.c (emit_move_sequence): Remove use of
2083         deleted variable flag_argument_noalias.
2084
2085 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2086
2087         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2088         configurations.
2089         Add to unsupported targets list.
2090         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2091         sparc*-sun-solaris2.[567]* from target lists.
2092         * configure: Regenerate.
2093         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2094         removal.
2095         Remove Solaris 7 patch references.
2096         (Specific, sparc-sun-solaris2.7): Removed.
2097         (sparc-sun-solaris2*): Update Solaris 7 example.
2098         (sparc64-*-solaris2*): Likewise.
2099
2100 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2101
2102         * config.build (alpha*-dec-osf4*): Remove.
2103         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2104         of obsolete configurations.
2105         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2106         support.
2107         * config/alpha/t-osf4: Renamed to ...
2108         * config/alpha/t-osf5: ... this.
2109         * config/alpha/osf.h: Renamed to ...
2110         * config/alpha/osf5.h: ... this.
2111         Merged old osf5.h contents.
2112         Update comments.
2113         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2114         (EXTRA_SPECS): Removed.
2115         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2116         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2117         Document that.
2118
2119 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2120
2121         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2122
2123 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2124
2125         PR/43702
2126         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2127         __thiscall convention.
2128
2129 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2130
2131         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2132         orig_base.
2133         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2134
2135 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2136
2137         * function.c (assign_parms_initialize_all): Add unused attribute
2138         to fntype.
2139
2140 2010-04-12  Richard Guenther  <rguenther@suse.de>
2141
2142         * gsstruct.def (GSS_CALL): New.
2143         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2144         * gimple.h: Include tree-ssa-alias.h.
2145         (struct gimple_statement_call): New.
2146         (union gimple_statement_struct_d): Add gimple_call member.
2147         (gimple_call_reset_alias_info): Declare.
2148         (gimple_call_use_set): New function.
2149         (gimple_call_clobber_set): Likewise.
2150         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2151         * gimple.c (gimple_call_reset_alias_info): New function.
2152         (gimple_build_call_1): Call it.
2153         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2154         * tree-inline.c (remap_gimple_stmt): Likewise.
2155         (expand_call_inline): Remove callused handling.
2156         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2157         * tree-dfa.c (dump_variable): Likewise.
2158         * tree-parloops.c (parallelize_loops): Likewise.
2159         * tree-ssa.c (init_tree_ssa): Likewise.
2160         (delete_tree_ssa): Likewise.
2161         * tree-flow-inline.h (is_call_used): Remove.
2162         * tree-flow.h (struct gimple_df): Remove callused member.
2163         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2164         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2165         (ref_maybe_used_by_call_p_1): Simplify.
2166         (call_may_clobber_ref_p_1): Likewise.
2167         * tree-ssa-structalias.c (compute_points_to_sets): Set
2168         the call stmt used and clobbered sets.
2169         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2170         (find_tail_calls): Verify the tail call.
2171
2172 2010-04-12  Richard Guenther  <rguenther@suse.de>
2173
2174         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2175         single-iteration always-inline inlining.
2176         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2177         (cgraph_decide_inlining): Do not handle always-inline specially.
2178         (try_inline): Remove always-inline cycle detection special case.
2179         Do not recurse on always-inlines.
2180         (cgraph_early_inlining): Do not iterate if not optimizing.
2181         (cgraph_gate_early_inlining): remove.
2182         (pass_early_inline): Run unconditionally.
2183         (gate_cgraph_decide_inlining): New function.
2184         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2185         not inlining or optimizing.
2186         (cgraph_decide_inlining_of_small_functions): Also consider
2187         always-inline functions.
2188         (cgraph_default_inline_p): Return true for nodes which should
2189         disregard inline limits.
2190         (estimate_function_body_sizes): Assume zero size and time for
2191         nodes which are marked as disregarding inline limits.
2192         (cgraph_decide_recursive_inlining): Do not perform recursive
2193         inlining on always-inline nodes.
2194
2195 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2196
2197         PR bootstrap/43699
2198         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2199         for exprs satisfying handled_component_p.
2200
2201 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2202
2203         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2204         non-constant aggregate elements.
2205
2206         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2207         is a real initialization.
2208
2209 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2210
2211         PR c/36774
2212         * c-decl.c (start_function): Move forward check for nested function.
2213
2214 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2215
2216         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2217         * config/sh/sh.c: Include reload.h.
2218         (sh_legitimize_reload_address): New.
2219         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2220         sh_legitimize_reload_address.
2221
2222 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2223
2224         * config/sh/sh.md (*movqi_pop): New insn pattern.
2225         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2226
2227 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2228
2229         * config/i386/i386.md (any_shiftrt): New code iterator.
2230         (shiftrt_insn): New code attribute.
2231         (shiftrt): Ditto.
2232         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2233         using any_shiftrt code iterator.
2234         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2235         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2236         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2237         pattern from corresponding peephole2 patterns.
2238         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2239         using any_shiftrt code iterator.
2240         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2241         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2242         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2243         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2244         *{ashr,lshr}<mode>3_cmp_zext.
2245         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2246
2247 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2248
2249         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2250         scratch register.
2251         (*lshr<mode>3_cconly): Ditto.
2252
2253 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2254
2255         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2256         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2257         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2258         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2259         DWI mode iterator.
2260         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2261         from corresponding peephole2 patterns.
2262         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2263         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2264         and *lshrdi3_1_rex64 using SWI mode iterator.
2265         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2266         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2267         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2268         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2269         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2270         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2271         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2272         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2273         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2274         SWI mode iterator.
2275
2276 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2277
2278         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2279         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2280         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2281         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2282         DWI mode iterator.
2283         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2284         from corresponding peephole2 patterns.
2285         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2286         (ashrsi3_cvt): Rename from ashrsi3_31.
2287         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2288         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2289         and x86_64_shift_adj_3 using SWI48 mode iterator.
2290         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2291         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2292         and *ashrdi3_1_rex64 using SWI mode iterator.
2293         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2294         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2295         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2296         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2297         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2298         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2299         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2300         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2301         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2302         SWI mode iterator.
2303         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2304         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2305         x86_shift<mode>_adj_3 expanders.
2306
2307 2010-04-10  Wei Guozhi  <carrot@google.com>
2308
2309         PR target/42601
2310         * config/arm/arm.c (arm_pic_static_addr): New function.
2311         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2312         a static symbol.
2313         (arm_output_addr_const_extra): Output expression for new pattern.
2314         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2315
2316 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2317
2318         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2319         not enabled.
2320
2321         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2322         * web.c: Include "insn-config.h" and "recog.h".
2323         (union_match_dups): New function.
2324         (web_main): Call it.
2325         (union_defs): Don't try to recognize match_dups.
2326
2327         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2328         if doing so would replace the entire pattern.
2329
2330 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2331
2332         PR target/43707
2333         PR target/43709
2334         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2335         and splitter pattern.  Change splitter operand 1 predicate to
2336         nonmemory_operand.
2337
2338 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2339
2340         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2341         lattices are addresses of CONST_DECLs with the same initial value.
2342         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2343         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2344
2345 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2346             Bernd Schmidt  <bernds@codesourcery.com>
2347
2348         * loop-invariant.c (replace_uses): New static function.
2349         (move_invariant_reg): Use it to ensure we can replace the uses.
2350
2351 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2352
2353         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2354         function template.
2355         (picochip_override_options): Enable section anchors only above -O1.
2356         (picochip_reorg): Fixed a couple of build warnings.
2357
2358 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2359
2360         * configure.ac (plugin -rdynamic test): Log result.
2361         * configure: Regenerate.
2362         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2363         (RDYNAMIC_SPEC): Define.
2364         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2365
2366 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2367
2368         * configure.ac: Determine Sun ld version numbers.
2369         (comdat_group): Restrict GNU ld version checks to gld.
2370         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2371         (enable_comdat): Support --enable-comdat.
2372         * configure: Regenerate.
2373         * doc/install.texi (Configuration): Document --enable-comdat.
2374
2375 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2376
2377         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2378         * config/sol2-gld.h: ... here.
2379         * config.gcc (sparc*-*-solaris2*): Reflect this.
2380         (i[34567]86-*-solaris2*): Use it.
2381
2382 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2383
2384         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2385         setup_clocks_p.
2386         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2387
2388 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2389
2390         PR 42965
2391         * diagnostic.c (diagnostic_initialize): Initialize
2392         some_warnings_are_errors.
2393         (diagnostic_finish): New.
2394         (diagnostic_action_after_output): Call it before exiting.
2395         (diagnostic_report_diagnostic): Do not print message here. Set
2396         some_warnings_are_errors.
2397         * diagnostic.h (diagnostic_context): Delete
2398         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2399         (diagnostic_finish): Declare.
2400         * toplev.c (toplev_main): Call it before exit.
2401
2402 2010-04-09  Jason Merrill  <jason@redhat.com>
2403
2404         PR c++/42623
2405         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2406         for incomplete type.
2407
2408         PR c++/41788
2409         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2410         based on a warning flag.
2411
2412 2010-04-09  Richard Guenther  <rguenther@suse.de>
2413
2414         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2415
2416 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2417
2418         PR bootstrap/43684
2419         * varasm.c (default_assemble_visibility): Wrap vars that are
2420         set, but unused, by targets without GAS.
2421         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2422         Remove set, but unused, vars.
2423         (rs6000_legitimize_tls_address): Likewise.
2424         (altivec_expand_dst_builtin): Likewise.
2425         * config/darwin.c (machopic_classify_symbol): Likewise.
2426         (machopic_indirection_name): Likewise.
2427
2428 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2429
2430         * config/i386/i386.md (DWI): New mode iterator.
2431         (S): New mode attribute.
2432         (shift_operand): Ditto.
2433         (shift_immediate_operand): Ditto.
2434         (ashl_input_operand): Ditto.
2435         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2436         using SDWIM mode iterator.
2437         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2438         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2439         DWI mode iterator.
2440         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2441         from corresponding peephole2 patterns.
2442         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2443         and x86_64_shift_adj_1 using SWI48 mode iterator.
2444         (x86_shift<mode>_adj_2): Ditto.
2445         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2446         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2447         using SWI48 mode iterator.
2448         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2449         *ashldi3_cmp_rex64 using SWI mode iterator.
2450         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2451         *ashldi3_cconly_rex64 using SWI mode iterator.
2452         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2453         x86_shift<mode>_adj_{1,2}.
2454         (ix86_split_ashr): Ditto.
2455         (ix86_split_lshr): Ditto.
2456
2457 2010-04-09  Richard Guenther  <rguenther@suse.de>
2458
2459         * target.h (builtin_conversion): Pass in input and output types.
2460         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2461         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2462         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2463         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2464
2465         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2466         Handle AVX modes.
2467         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2468
2469 2010-04-09  Richard Guenther  <rguenther@suse.de>
2470
2471         PR target/43152
2472         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2473
2474 2010-04-09  Richard Guenther  <rguenther@suse.de>
2475
2476         * tree-vectorizer.h (struct _stmt_vec_info): Document
2477         that vectype is the type of the LHS.
2478         (supportable_widening_operation, supportable_narrowing_operation):
2479         Get both input and output vector types as arguments.
2480         (vect_is_simple_use_1): Declare.
2481         (get_same_sized_vectype): Likewise.
2482         * tree-vect-loop.c (vect_determine_vectorization_factor):
2483         Set STMT_VINFO_VECTYPE to the vector type of the def.
2484         (vectorizable_reduction): Adjust.
2485         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2486         Adjust.  Specify the output vector type.
2487         (vect_pattern_recog_1): Adjust.
2488         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2489         (vectorizable_call): Adjust.
2490         (vectorizable_conversion): Likewise.
2491         (vectorizable_operation): Likewise.
2492         (vectorizable_type_demotion): Likewise.
2493         (vectorizable_type_promotion): Likewise.
2494         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2495         the def.
2496         (vect_is_simple_use_1): New function.
2497         (supportable_widening_operation): Get both input and output
2498         vector types.
2499         (supportable_narrowing_operation): Likewise.
2500         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2501
2502 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2503
2504         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2505         __thiscall and _thiscall as predefined macros.
2506         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2507         thiscall attribute handling.
2508         (ix86_comp_type_attributes): Likewise.
2509         (ix86_function_regparm): Likewise.
2510         (ix86_return_pops_args): Likewise.
2511         (init_cumulative_args): Likewise.
2512         (find_drap_reg): Likewise.
2513         (ix86_static_chain): Likewise.
2514         (x86_this_parameter): Likewise.
2515         (x86_output_mi_thunk): Likewise.
2516         (ix86_attribute_table): Add description for thiscall attribute.
2517         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2518         * doc/extend.texi: Add documentation for thiscall.
2519
2520 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2521
2522         PR c++/28584
2523         * c.opt (Wint-to-pointer-cast): Available in C++.
2524         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2525
2526 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2527
2528         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2529         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2530         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2531         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2532         function type instead.  Reorder and simplify checks.
2533
2534         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2535
2536 2010-04-08  Jing Yu  <jingyu@google.com>
2537             Zdenek Dvorak  <ook@ucw.cz>
2538
2539         PR tree-optimization/42720
2540         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2541         loop unswitch conditions here from ...
2542         (tree_unswitch_single_loop): ... here.
2543
2544 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2545
2546         * tree-if-conv.c: Fix comments and simplify logic.
2547
2548 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2549
2550         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2551         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2552         (main_tree_if_conversion): Update call to tree_if_conversion.
2553
2554 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2555
2556         PR 42485
2557         * doc/invoke.texi (-b,-V): Delete.
2558         * doc/tm.texi: Do not mention -b.
2559         * gcc.c (display_help): Delete -b and -V.
2560         (process_command): Delete -b and -V.
2561         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2562
2563 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2564             Wolfgang Gellerich  <gellerich@de.ibm.com>
2565
2566         Implement target hook for loop unrolling
2567         * target.h (loop_unroll_adjust): Add a new target hook function.
2568         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2569         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2570         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2571         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2572         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2573         target hook.
2574         (decide_unroll_stupid): Likewise.
2575
2576 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2577
2578         PR target/43643
2579         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2580
2581 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2582
2583         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2584         (Specific, *-*-solaris2*): Likewise.
2585         Don't prefer Sun as over GNU as.
2586
2587 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2588
2589         * config/s390/s390.c (override_options): Adjust the z10
2590           defaults for max-unroll-times, max-completely-peeled-insns
2591           and max-completely-peel-times.
2592
2593 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2594
2595         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2596         instructions for z10.
2597         (s390_expand_setmem): Likewise.
2598         (s390_expand_cmpmem): Likewise.
2599
2600 2010-04-08  Richard Guenther  <rguenther@suse.de>
2601
2602         PR tree-optimization/43679
2603         * tree-ssa-pre.c (eliminate): Only propagate copies.
2604
2605 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2606
2607         PR bootstrap/43681
2608         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2609         set but not used variable warning.
2610
2611 2010-04-08  Wei Guozhi  <carrot@google.com>
2612
2613         PR target/41653
2614         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2615         (arm_size_rtx_costs): Call the new function when optimized for size.
2616
2617 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2618
2619         PR debug/43670
2620         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2621         op0 is not a MEM, just return NULL instead of assertion
2622         failure.
2623         (discover_nonconstant_array_refs): Don't walk debug stmts.
2624
2625 2010-04-08  Doug Kwan  <dougkwan@google.com>
2626
2627         * configure.ac: Recognize gold and do not use its version number
2628         to test ld features.
2629         * configure: Regenerate.
2630
2631 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2632
2633         PR middle-end/40815
2634         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2635         (negate_value): Move code to push elements to broken_up_substracts ...
2636         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2637         negative pair to plus_negates.
2638         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2639
2640 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2641
2642         * doc/install.texi (Configuration): Move description of
2643         --enable-lto, --with-libelf*, --enable-gold from Java section to
2644         general section.
2645
2646         * doc/generic.texi (Working with declarations)
2647         (Function Properties, C and C++ Trees): Fix typos.
2648         * doc/sourcebuild.texi (Top Level): Likewise.
2649
2650 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2651
2652         PR c/18624
2653         * tree.h (DECL_READ_P): Define.
2654         (struct tree_decl_common): Add decl_read_flag.
2655         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2656         a set but not used warning.
2657         (merge_decls): Merge DECL_READ_P flag.
2658         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2659         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2660         * c-common.c (handle_used_attribute, handle_unused_attribute):
2661         Likewise.
2662         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2663         New prototypes.
2664         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2665         New functions.
2666         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2667         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2668         c_parser_binary_expression, c_parser_cast_expression,
2669         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2670         Call default_function_array_read_conversion instead of
2671         default_function_array_conversion where needed.
2672         (c_parser_unary_expression, c_parser_conditional_expression,
2673         c_parser_postfix_expression_after_primary, c_parser_initelt):
2674         Likewise.  Call mark_exp_read where needed.
2675         (c_parser_statement_after_labels, c_parser_asm_operands,
2676         c_parser_typeof_specifier, c_parser_sizeof_expression,
2677         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2678         where needed.
2679         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2680         New.
2681         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2682         (warn_unused_but_set_parameter): Default to warn_unused
2683         && extra_warnings.
2684         * doc/invoke.texi: Document -Wunused-but-set-variable and
2685         -Wunused-but-set-parameter.
2686
2687         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2688         used count variable.
2689         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2690         when operandN variables aren't used in the body of the expander
2691         or splitter.
2692         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2693         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2694         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2695         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2696         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2697         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2698         * tree.c (PROCESS_ARG): Likewise.
2699
2700 2010-04-07  Simon Baldwin  <simonb@google.com>
2701
2702         * diagnostic.h (diagnostic_override_option_index): New macro to
2703         set a diagnostic's option_index.
2704         * c-tree.h (c_cpp_error): Add warning reason argument.
2705         * opts.c (_warning_as_error_callback): New.
2706         (register_warning_as_error_callback): Store callback for
2707         warnings enabled via enable_warning_as_error.
2708         (enable_warning_as_error): Call callback, minor code tidy.
2709         * opts.h (register_warning_as_error_callback): Declare.
2710         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2711         response to -Werror=.
2712         (c_common_init_options): Register warning_as_error_callback in opts.c.
2713         * common.opt: Add -Wno-cpp option.
2714         * c-common.c (struct reason_option_codes_t): Map cpp warning
2715         reason codes to gcc option indexes.
2716         * (c_option_controlling_cpp_error): New function, lookup the gcc
2717         option index for a cpp warning reason code.
2718         * (c_cpp_error): Add warning reason argument, call
2719         c_option_controlling_cpp_error for diagnostic_override_option_index.
2720         * doc/invoke.texi: Document -Wno-cpp.
2721
2722 2010-04-07  Richard Guenther  <rguenther@suse.de>
2723
2724         * ipa-reference.c (mark_load): Use get_base_address.
2725         (mark_store): Likewise.
2726
2727         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2728         inserting GIMPLE_NOPs into the IL.
2729         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2730         Explicitly strip handled components and indirect references.
2731
2732         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2733         folding address expressions.
2734         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2735         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2736         operand_equal_p to compare decls.
2737         (ptr_deref_may_alias_decl_p): Likewise.
2738         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2739         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2740         Handle reversed comparison ops.
2741         * tree-sra.c (asm_visit_addr): Use get_base_address.
2742         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2743         * ipa-reference.c (mark_address): Use get_base_address.
2744
2745 2010-04-07  Richard Guenther  <rguenther@suse.de>
2746
2747         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2748         Propagate constants everywhere.
2749
2750 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2751
2752         PR debug/43516
2753         * tree.c (MAX_INT_CACHED_PREC): Define.
2754         (nonstandard_integer_type_cache): New array.
2755         (build_nonstandard_integer_type): Cache results for precision
2756         <= MAX_INT_CACHED_PREC.
2757
2758 2010-04-07  Richard Guenther  <rguenther@suse.de>
2759
2760         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2761         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2762         * common.opt: Likewise.
2763         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2764         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2765         (nonoverlapping_memrefs_p): Likewise.
2766         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2767         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2768         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2769         OPT_fargument_noalias_global for backward compatibility.
2770
2771 2010-04-07  Richard Guenther  <rguenther@suse.de>
2772
2773         PR tree-optimization/43270
2774         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2775         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2776         * tree-ssa-pre.c (phi_translate_1): Adjust.
2777         (fully_constant_expression): Split out vn_reference handling to ...
2778         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2779         Fold reads from constant strings.
2780         (vn_reference_lookup): Handle fully constant references.
2781         (vn_reference_lookup_pieces): Likewise.
2782         * Makefile.in (expmed.o-warn): Add -Wno-error.
2783
2784 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2785
2786         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2787
2788 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2789
2790         PR driver/41594
2791         * gcc.c: Add -static-libstdc++ to list of recognized options.
2792
2793 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2794
2795         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2796
2797 2010-04-07  Richard Guenther  <rguenther@suse.de>
2798
2799         PR middle-end/42617
2800         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2801         bases build simple mem attributes to retain points-to information.
2802
2803 2010-04-07  Richard Guenther  <rguenther@suse.de>
2804
2805         PR middle-end/42617
2806         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2807         preserve points-to related information.
2808
2809 2010-04-07  Richard Guenther  <rguenther@suse.de>
2810
2811         PR middle-end/42617
2812         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2813         discard plain indirect references.
2814         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2815         * tree.c (tree_nop_conversion): Likewise.
2816
2817 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2818
2819         PR debug/43628
2820         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2821
2822 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2823
2824         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2825         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2826
2827 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2828
2829         * tree-if-conv.c: Fix indentation and comments.
2830
2831 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2832
2833         * tree-if-conv.c: Sort static functions in topological order.
2834
2835 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2836
2837         * tree-if-conv.c: Fix indentation and comments.
2838
2839 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2840
2841         PR middle-end/43519
2842         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2843         lang_hooks.types.type_for_size instead of
2844         build_nonstandard_integer_type.
2845         When converting an unsigned type to signed, double its precision.
2846         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2847         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2848         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2849         use lb <= ub.
2850
2851 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2852
2853         PR middle-end/43519
2854         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2855         POINTER_PLUS_EXPR for pointer types.
2856
2857 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2858
2859         PR middle-end/43519
2860         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2861         * graphite-clast-to-gimple.c: Include langhooks.h.
2862         (max_signed_precision_type): New.
2863         (max_precision_type): Takes two types as arguments.
2864         (precision_for_value): New.
2865         (precision_for_interval): New.
2866         (gcc_type_for_interval): New.
2867         (gcc_type_for_value): New.
2868         (gcc_type_for_clast_term): New.
2869         (gcc_type_for_clast_red): New.
2870         (gcc_type_for_clast_bin): New.
2871         (gcc_type_for_clast_expr): Split up into several functions.
2872         (gcc_type_for_clast_eq): Rewritten.
2873         (compute_bounds_for_level): New.
2874         (compute_type_for_level_1): New.
2875         (compute_type_for_level): New.
2876         (gcc_type_for_cloog_iv): Removed.
2877         (gcc_type_for_iv_of_clast_loop): Rewritten.
2878         (graphite_create_new_loop): Compute the lower and upper bound types
2879         with gcc_type_for_clast_expr.
2880         (graphite_create_new_loop_guard): Same.
2881         (find_cloog_iv_in_expr): Removed.
2882         (compute_cloog_iv_types_1): Removed.
2883         (compute_cloog_iv_types): Removed.
2884         (gloog): Do not call compute_cloog_iv_types.
2885         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2886         GBB_CLOOG_IV_TYPES.
2887         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2888         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2889         (GBB_CLOOG_IV_TYPES): Removed.
2890
2891 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2892
2893         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2894         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2895         (detect_commutative_reduction): Same.
2896
2897 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2898
2899         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2900         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2901         argument.
2902         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2903         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2904         (rewrite_commutative_reductions_out_of_ssa): Same.
2905         * passes.c (execute_function_todo): Call verify_ssa for every pass
2906         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2907         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2908         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2909         with an extra argument.
2910         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2911         verify_ssa only when the extra argument is true.
2912         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2913         with an extra argument.
2914         (tree_transform_and_unroll_loop): Same.
2915
2916 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2917
2918         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2919         for all the passes of the LNO having LOOP_CLOSED_SSA.
2920         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2921         * tree-loop-distribution.c (pass_loop_distribution): Same.
2922         * tree-pass.h (TODO_verify_loops): Removed.
2923         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2924         (pass_lim): Same.
2925         (pass_tree_unswitch): Same.
2926         (pass_predcom): Same.
2927         (pass_vectorize): Same.
2928         (pass_linear_transform): Same.
2929         (pass_graphite_transforms): Same.
2930         (pass_iv_canon): Same.
2931         (pass_complete_unroll): Same.
2932         (pass_complete_unrolli): Same.
2933         (pass_parallelize_loops): Same.
2934         (pass_loop_prefetch): Same.
2935         (pass_iv_optimize): Same.
2936
2937 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2938
2939         PR middle-end/32824
2940         * passes.c (init_optimization_passes): Move pass_lim before
2941         pass_copy_prop and pass_dce_loop.
2942
2943 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2944
2945         PR target/43667
2946         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2947         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2948         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2949         MULTI_* defines for 4 argument vpermil2p* builtins.
2950
2951 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2952
2953         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2954         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2955         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2956         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2957         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2958         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2959         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2960         Use x86_maybe_negate_const_int to output insn mnemonic.
2961         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2962         check from instruction predicate.  Update comments.
2963         * config/i386/sync.md (sync_add<mode>): Use
2964         x86_maybe_negate_const_int to output insn mnemonic.
2965
2966 2010-04-06  Jan Hubicka  <jh@suse.cz>
2967
2968         PR tree-optimization/42906
2969         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2970         IGNORE_SELF argument.  Set visited_control_parents for fully
2971         processed BBs.
2972         (find_obviously_necessary_stmts): Update call of
2973         mark_control_dependent_edges_necessary.
2974         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2975
2976 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2977
2978         * config/i386/i386.md: Remove comment about 'e' and 'E'
2979         operand modifier.
2980
2981 2010-04-06  Richard Guenther  <rguenther@suse.de>
2982
2983         PR tree-optimization/43627
2984         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2985         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2986         not varying.
2987
2988 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2989
2990         * BASE-VER: Change to 4.6.0.
2991
2992         PR target/43638
2993         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2994         handling.
2995
2996 2010-04-06  Richard Guenther  <rguenther@suse.de>
2997
2998         PR middle-end/43661
2999         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3000
3001 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3002
3003         * doc/invoke.texi (Optimize Options): Document that LTO
3004         won't remove object access purely due to incompatible
3005         declarations.
3006
3007 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3008
3009         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3010         Initialize variable.
3011
3012 2010-04-03  Richard Guenther  <rguenther@suse.de>
3013
3014         PR middle-end/42509
3015         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3016         require a non-NULL MEM_OFFSET.
3017
3018 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3019
3020         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3021         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3022         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3023         config/alpha/predicates.md, config/arm/arm.md,
3024         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3025         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3026         config/darwin9.h, config/darwin.c, config/darwin.h,
3027         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3028         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3029         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3030         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3031         config/mips/mips.md, config/mn10300/mn10300.c,
3032         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3033         config/rs6000/aix.h, config/rs6000/dfp.md,
3034         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3035         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3036         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3037         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3038         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3039         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3040         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3041         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3042         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3043         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3044         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3045         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3046         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3047         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3048         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3049         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3050         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3051         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3052         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3053         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3054         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3055         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3056         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3057         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3058         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3059         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3060         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3061         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3062         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3063         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3064         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3065         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3066         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3067         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3068         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3069         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3070
3071 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3072
3073         PR other/43620
3074         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3075         * aclocal.m4: Regenerate.
3076
3077 2010-04-02  Richard Guenther  <rguenther@suse.de>
3078
3079         PR tree-optimization/43629
3080         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3081         if we have seen a constant value.
3082
3083 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3084
3085         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3086
3087 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3088
3089         PR target/43469
3090         * arm.c (legitimize_tls_address): Adjust call to
3091         gen_tls_load_dot_plus_four.
3092         (arm_note_pic_base): New function.
3093         (arm_cannot_copy_insn_p): Use it.
3094         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3095         constraint.
3096
3097 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3098
3099         PR bootstrap/43531
3100
3101         Revert:
3102         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3103
3104         * Makefile.in ($(out_object_file)): Depend on
3105         gt-$(basename $(notdir $(out_file))).h.
3106
3107 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3108
3109         * config.gcc (lm32-*-rtems*): Add t-lm32.
3110
3111 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3112
3113         * config.gcc: Add lm32-*-rtems*.
3114         * config/lm32/rtems.h: New file.
3115
3116 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3117
3118         PR target/42609
3119         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3120
3121 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3122
3123         * dwarf2out.c (output_compilation_unit_header): For
3124         -gdwarf-4 use version 4 instead of version 3.
3125         (output_line_info): For version 4 and above emit additional
3126         maximum ops per insn header field.
3127         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3128
3129         * dwarf2out.c (is_c_family, is_java): Remove.
3130         (lower_bound_default): New function.
3131         (add_bound_info, gen_descr_array_type_die): Use it.
3132
3133 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3134
3135         PR debug/43325
3136         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3137         re-declaration when it happens in a function.
3138
3139 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3140
3141         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3142         (cgraph_remove_function_insertion_hook): Same.
3143         (cgraph_call_function_insertion_hooks): Same.
3144
3145 2010-04-01  Richard Guenther  <rguenther@suse.de>
3146
3147         PR middle-end/43614
3148         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3149         and TREE_THIS_VOLATILE.
3150         (copy_ref_info): Likewise.
3151         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3152         * tree.c (build6_stat): Ignore side-effects of all but arg5
3153         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3154         TARGET_MEM_REF.
3155
3156 2010-04-01  Richard Guenther  <rguenther@suse.de>
3157
3158         PR tree-optimization/43607
3159         * ipa-type-escape.c (check_call): Do not access non-existing
3160         arguments.
3161
3162 2010-04-01  Richard Guenther  <rguenther@suse.de>
3163
3164         PR middle-end/43602
3165         Revert
3166         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3167                     Jack Howarth <howarth@bromo.med.uc.edu>
3168
3169         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3170         variables TLS.
3171
3172 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3173
3174         * doc/install.texi (Prerequisites): Document libelf usability on
3175         IRIX 5/6 and Solaris 2.
3176         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3177         Update GNU as, GNU ld requirements.
3178         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3179         Document Sun Studio compiler download.
3180         Update and simplify as, ld recommendations.
3181         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3182
3183 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3184
3185         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3186         with_tune_32 to pentium4.
3187
3188 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3189
3190         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3191
3192 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3193
3194         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3195         obsoletion, removal.
3196         Update IDO URL.
3197         Document GNU as requirement.
3198         Update configure requirements.
3199         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3200         Recomment IRIX 6.5.18+.
3201         Document IDF/IDL requirement.
3202         Document GNU as requirement.
3203         Document GNU ld bootstrap failure.
3204         Remove freeware.sgi.com reference.
3205
3206 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3207
3208         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3209         UNIX V4.0, V5.0 obsoletion, removal.
3210         Remove --with-gc=simple reference.
3211         Update VM requirements during bootstrap.
3212         Remove -oldas bootstrap description.
3213         Update binutils reference.
3214         Remove comparison failure note.
3215
3216 2010-03-31  Richard Guenther  <rguenther@suse.de>
3217             Zdenek Dvorak  <ook@ucw.cz>
3218             Sebastian Pop  <sebastian.pop@amd.com>
3219
3220         PR middle-end/43464
3221         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3222         with multiple arguments.
3223         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3224
3225 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3226
3227         * graphite-dependences.c (print_pddr): Call print_pdr with an
3228         extra argument.
3229         * graphite-poly.c (debug_pdr): Add an extra argument for the
3230         verbosity level.
3231         (print_pdr): Same.
3232         (print_pbb_domain): Same.
3233         (print_pbb): Same.
3234         (print_scop_context): Same.
3235         (print_scop): Same.
3236         (print_cloog): Same.
3237         (debug_pbb_domain): Same.
3238         (debug_pbb): Same.
3239         (print_pdrs): Same.
3240         (debug_pdrs): Same.
3241         (debug_scop_context): Same.
3242         (debug_scop): Same.
3243         (debug_cloog): Same.
3244         (print_scop_params): Same.
3245         (debug_scop_params): Same.
3246         (print_iteration_domain): Same.
3247         (print_iteration_domains): Same.
3248         (debug_iteration_domain): Same.
3249         (debug_iteration_domains): Same.
3250         (print_scattering_function): Same.
3251         (print_scattering_functions): Same.
3252         (debug_scattering_function): Same.
3253         (debug_scattering_functions): Same.
3254         * graphite-poly.h (debug_pdr): Update declaration.
3255         (print_pdr): Same.
3256         (print_pbb_domain): Same.
3257         (print_pbb): Same.
3258         (print_scop_context): Same.
3259         (print_scop): Same.
3260         (print_cloog): Same.
3261         (debug_pbb_domain): Same.
3262         (debug_pbb): Same.
3263         (print_pdrs): Same.
3264         (debug_pdrs): Same.
3265         (debug_scop_context): Same.
3266         (debug_scop): Same.
3267         (debug_cloog): Same.
3268         (print_scop_params): Same.
3269         (debug_scop_params): Same.
3270         (print_iteration_domain): Same.
3271         (print_iteration_domains): Same.
3272         (debug_iteration_domain): Same.
3273         (debug_iteration_domains): Same.
3274         (print_scattering_function): Same.
3275         (print_scattering_functions): Same.
3276         (debug_scattering_function): Same.
3277         (debug_scattering_functions): Same.
3278
3279 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3280
3281         * graphite-poly.c (print_scattering_function_1): New.
3282         (print_scattering_function): Call it.
3283         (print_scop_params): Remove spaces at the end of lines.
3284         (print_cloog): New.
3285         (debug_cloog): New.
3286         * graphite-poly.h (print_cloog): Declared.
3287         (debug_cloog): Declared.
3288
3289 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3290
3291         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3292         in loop->header.
3293         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3294         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3295         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3296         to switch between adding the IV bump in loop->latch or in loop->header.
3297
3298 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3299
3300         * graphite-poly.c (print_scattering_function): Pretty print following
3301         the scoplib format.
3302         (print_pdr): Same.
3303         (print_pbb_domain): Same.
3304         (dump_gbb_cases): Same.
3305         (dump_gbb_conditions): Same.
3306         (print_pdrs): Same.
3307         (print_pbb): Same.
3308         (print_scop_params): Same.
3309         (print_scop_context): Same.
3310         (print_scop): Same.
3311         (print_pbb_body): New.
3312         (lst_indent_to): New.
3313         (print_lst): Start new lines with a #.
3314         * graphite-poly.h (pbb_bb): New.
3315         (pbb_index): Use pbb_bb.
3316         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3317         disjuncts.
3318         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3319
3320 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3321
3322         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3323         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3324         and 0 instead of 1 for dw_val_class_flag.
3325         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3326         dw_val_class_range_list, dw_val_class_loc_list,
3327         dw_val_class_lineptr and dw_val_class_macptr, use
3328         DW_FORM_flag_present for dw_val_class_flag and
3329         DW_FORM_exprloc for dw_val_class_loc.
3330         (output_die): For -gdwarf-4 print dw_val_class_loc
3331         size as uleb128 instead of 1 or 2 bytes and don't print
3332         anything for dw_val_class_flag.
3333
3334         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3335         instead of cselib_lookup following by tweaking locs->setting_insn.
3336
3337         PR bootstrap/43596
3338         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3339         even before returning from label, setjmp call or volatile asm
3340         handling.
3341
3342 2010-03-31  Richard Guenther  <rguenther@suse.de>
3343
3344         PR middle-end/43600
3345         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3346         temporary data on stack.
3347
3348 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3349
3350         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3351         (PUSHSECTION_ASM_OP): Remove.
3352         (POPSECTION_ASM_OP): Remove.
3353         (PUSHSECTION_FORMAT): Remove.
3354         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3355         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3356         * config/sol2.c (solaris_output_init_fini): Use it.
3357
3358 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3359
3360         PR 43574
3361         * opt-functions.awk (var_type_struct): Use signed char type
3362         for simple variables.
3363
3364 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3365
3366         * config/sol2.c: Include output.h.
3367         (solaris_assemble_visibility): New function.
3368         * config/t-sol2 (sol2.o): Add output.h dependency.
3369         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3370         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3371         Redefine.
3372
3373 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3374
3375         PR target/43580
3376         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3377         V2SImode or XFmode on PRE_DEC.
3378
3379         PR debug/43557
3380         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3381         BLKmode.
3382
3383 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3384
3385         PR 43562
3386         * reload.h (caller_save_initialized_p): Declare.
3387         * toplev.c (backend_init_target): Don't call
3388         init_caller_save but set caller_save_initialized_p to false.
3389         * caller-save.c (caller_save_initialized_p): Define.
3390         (init_caller_save): Check caller_save_initialized_p.
3391         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3392
3393 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3394
3395         PR target/39048
3396         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3397         and soft-fp/t-softfp to tmake_file.
3398         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3399         (LIBGCC2_TF_CEXT): Define.
3400         (TF_SIZE): Define.
3401
3402 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3403
3404         PR debug/42977
3405         * cselib.c (n_useless_values): Document handling of debug locs.
3406         (n_useless_debug_values, n_debug_values): New variables.
3407         (new_elt_loc_list): Don't add to debug values, keep count.
3408         (promote_debug_loc): New.
3409         (cselib_reset_table): Zero new variables.
3410         (entry_and_rtx_equal_p): Promote debug locs.
3411         (discard_useless_locs): Increment n_useless_debug_values for
3412         debug values.
3413         (remove_useless_values): Adjust n_useless_values and n_debug_values
3414         with n_useless_debug_values.
3415         (add_mem_for_addr): Promote debug locs.
3416         (cselib_lookup_mem): Likewise.
3417         (cselib_lookup_addr): Renamed to...
3418         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3419         (cselib_log_lookup): ... this.  Turn into...
3420         (cselib_lookup_addr): ... new wrapper.
3421         (cselib_lookup_from_insn): New.
3422         (cselib_invalidate_regno): Increment n_useless_debug_values for
3423         debug values.
3424         (cselib_invalidate_mem): Likewise.
3425         (cselib_process_insn): Take n_deleted and n_debug_values into
3426         account to guard remove_useless_value call.
3427         (cselib_finish): Zero n_useless_debug_values.
3428         * cselib.h (cselib_lookup_from_insn): Declare.
3429         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3430         (sched_analyze_2): Likewise.
3431
3432 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3433
3434         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3435         functions.
3436         (adjust_mems): Replace narrowing SUBREG of expression containing
3437         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3438         with operations in the narrower mode.
3439
3440         PR debug/43593
3441         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3442         regs_invalidated_by_call instead all call_used_reg_set registers.
3443
3444 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3445
3446         PR middle-end/43430
3447         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3448         pointer comparisons with types_compatible_p.
3449         * tree-vect-stmts.c (vectorizable_call): Same.
3450         (vectorizable_condition): Same.
3451
3452 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3453
3454         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3455         stack check if the mask would be zero.
3456
3457 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3458             Jack Howarth <howarth@bromo.med.uc.edu>
3459
3460         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3461         variables TLS.
3462
3463 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3464
3465         PR other/25232
3466         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3467         and __unordtf2.
3468         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3469         Include ___unordxf2 and ___unordtf2.
3470         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3471         GCC_4.4.0 here.
3472
3473 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3474
3475         * config/lm32/t-lm32: New file.
3476         * config.gcc: Use the above file when targetting lm32.
3477
3478 2010-03-28  Duncan Sands  <baldrick@free.fr>
3479
3480         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3481
3482 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3483
3484         PR middle-end/43431
3485         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3486         Improve vectorization cost model diagnostic.
3487
3488 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3489
3490         PR middle-end/43436
3491         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3492         compute_data_dependences_for_loop returns false, early exit
3493         and output an extra diagnostic for the failed data reference
3494         analysis.
3495
3496 2010-03-29  Richard Guenther  <rguenther@suse.de>
3497
3498         PR tree-optimization/43560
3499         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3500         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3501
3502 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3503
3504         PR 43564
3505         * toplev.c (process_options): Set optimization_default_node
3506         and optimization_current_node.
3507         * opts.c (decode_options): Don't set optimization_default_node
3508         and optimization_current_node.
3509
3510 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3511
3512         * config/rtems.h: Abandon -qrtems_debug.
3513
3514 2010-03-28  Jan Hubicka  <jh@suse.cz>
3515
3516         PR tree-optimization/43505
3517         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3518         map should not be copied.
3519
3520 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3521
3522         PR middle-end/41674
3523         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3524         cdtors, set DECL_PRESERVE_P.
3525         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3526         should be preseved.
3527
3528 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3529
3530         PR tree-optimization/43528
3531         * stor-layout.c (place_field): Check that constant fits into
3532         unsigned HWI when skipping calculation of MS bitfield layout.
3533
3534 2010-03-27  Jan Hubicka  <jh@suse.cz>
3535
3536         PR middle-end/43391
3537         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3538         notice_global_symbol work.
3539
3540 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3541
3542         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3543         instead of dwarf2out_decl.
3544         (struct var_loc_node): Remove section_label field.
3545         (dwarf2out_function_decl): New function.
3546         (dwarf2out_var_location): Don't set section_label field.
3547         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3548
3549 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3550
3551         PR tree-optimization/43544
3552         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3553         First argument for builtin vectorized function hook is now a
3554         tree to be able to distinguish between machine specific and
3555         standard builtins.
3556         * targhooks.c (default_builtin_vectorized_function): Ditto.
3557         * targhooks.h (default_builtin_vectorized_function): Ditto.
3558         * target.h (struct gcc_target): Ditto.
3559         * tree-vect-stmts.c (vectorizable_function): Ditto.
3560         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3561         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3562         Ditto.
3563
3564 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3565
3566         PR c/43381
3567         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3568         nested binding iff it is a FUNCTION_DECL.
3569         (store_parm_decls_newstyle): Pass nested=true to bind for
3570         FUNCTION_DECLs amongst parameters.
3571
3572 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3573
3574         * var-tracking.c (vt_expand_loc_callback): Don't run
3575         cselib_expand_value_rtx_cb in dummy mode if
3576         cselib_dummy_expand_value_rtx_cb returned false.
3577
3578         * var-tracking.c (emit_note_insn_var_location): For one part
3579         notes with offset 0, don't add EXPR_LIST around the location.
3580         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3581         add_location_or_const_value_attribute): Adjust for that change.
3582
3583         PR debug/43540
3584         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3585         into first operand and location into second.
3586         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3587         dw_cfi_oprnd_loc for DW_CFA_expression.
3588         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3589         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3590         assume first argument is regnum and second argument is location.
3591
3592 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3593
3594         PR target/42113
3595         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3596         of scratch register to DImode.  Split to DImode comparison operator.
3597         Use SImode subreg of scratch register in the multiplication.
3598         (*cmp_sadd_sidi): Ditto.
3599         (*cmp_ssub_si): Ditto.
3600         (*cmp_ssub_sidi): Ditto.
3601
3602 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3603
3604         PR target/43524
3605         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3606         Remove invalid assert and wrong comment.
3607
3608 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3609
3610         PR debug/43516
3611         * flags.h (final_insns_dump_p): New extern.
3612         * final.c (final_insns_dump_p): New variable.
3613         (rest_of_clean_state): Set it before -fdump-final-insns=
3614         dumping, clear afterwards.
3615         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3616         MEM_ALIAS_SET on MEMs.
3617
3618 2010-03-26  David S. Miller  <davem@davemloft.net>
3619
3620         * configure.ac: Fix sparc GOTDATA_OP bug check.
3621         * configure: Rebuild.
3622
3623 2010-03-26  Alan Modra  <amodra@gmail.com>
3624
3625         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3626
3627 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3628
3629         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3630         TLS_SECTION_ASM_FLAG.
3631
3632 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3633
3634         PR bootstrap/43511
3635         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3636         Clear first_function_block_is_cold.
3637
3638         PR c/43385
3639         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3640         argument if the argument is truth_value_p.
3641
3642 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3643
3644         * config/rs6000/constraints.md: Update copyright year for my changes.
3645
3646         PR target/43484
3647         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3648         used in reg+reg addressing, swap registers.
3649
3650 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3651
3652         PR debug/43293
3653         * target.h (struct gcc_target): Add code_end hook.
3654         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3655         if not yet defined.
3656         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3657         * toplev.c (compile_file): Call targetm.asm_out.code_end
3658         hook before unwind info/debug info output.
3659         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3660         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3661         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3662         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3663         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3664         * config/i386/i386.c (ix86_file_end): Renamed to...
3665         (ix86_code_end): ... this.  Make static.  Don't call
3666         file_end_indicate_exec_stack.  Emit unwind info using
3667         final_start_function/final_end_function.
3668         (darwin_x86_file_end): Remove.
3669         (TARGET_ASM_CODE_END): Define.
3670         * config/i386/i386.h (TARGET_ASM_FILE_END,
3671         NEED_INDICATE_EXEC_STACK): Don't define.
3672         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3673         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3674         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3675         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3676
3677         PR target/43498
3678         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3679         at the beginning and final_end_function at the end.
3680         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3681
3682 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3683
3684         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3685         and Sun as TLS syntax.
3686         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3687         * configure: Regenerate.
3688         * config.in: Regenerate.
3689         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3690         (default_elf_asm_named_section): Use it.
3691         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3692         (i386_output_dwarf_dtprel): Likewise.
3693         (output_addr_const_extra): Likewise.
3694         (output_pic_addr_const): Lowercase @GOTTPOFF.
3695         (output_addr_const_extra): Likewise.
3696         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3697         (output_addr_const_extra): Likewise.
3698         (output_pic_addr_const): Lowercase @INDNTPOFF.
3699         (output_addr_const_extra): Likewise.
3700         (output_pic_addr_const): Lowercase @NTPOFF.
3701         (output_addr_const_extra): Likewise.
3702         (output_pic_addr_const): Lowercase @TPOFF.
3703         (output_addr_const_extra): Likewise.
3704         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3705         (*tls_global_dynamic_64): Likewise.
3706         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3707         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3708
3709         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3710         (ASM_OUTPUT_TLS_COMMON): Use it.
3711         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3712
3713         PR target/38118
3714         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3715         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3716         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3717         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3718         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3719         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3720
3721 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3722
3723         * config/i386/i386.c (override_options): Don't accept
3724         -mtls-dialect=sun any longer.
3725         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3726         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3727         (*tls_local_dynamic_base_32_sun): Likewise.
3728         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3729
3730 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3731
3732         PR debug/43508
3733         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3734         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3735
3736         PR debug/43479
3737         * ira.c (adjust_cleared_regs): New function.
3738         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3739
3740         PR debug/19192
3741         PR debug/43479
3742         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3743         from gimple_block.
3744         * expr.c (expand_expr_real): Restore previous
3745         curr_insn_source_location and curr_insn_block after
3746         expand_expr_real_1 call.
3747         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3748         instead of expand_expr_real_1.
3749
3750 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3751
3752         PR rtl-optimization/43413
3753         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3754         hard regs too.
3755
3756 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3757
3758         PR target/43348
3759         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3760         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3761
3762 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3763
3764         * config/i386/i386.c (ix86_target_string): Add -mfma.
3765         Fix a typo in comment.
3766
3767 2010-03-22  Mike Stump  <mikestump@comcast.net>
3768
3769         PR target/23071
3770         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3771         Don't overly align based upon packed packed fields.
3772
3773 2010-03-22  Jason Merrill  <jason@redhat.com>
3774
3775         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3776         Use () rather than [], and move before the element type.
3777
3778 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3779
3780         * doc/configfiles.texi (Configuration Files): Removed
3781         fixinc/Makefile*, intl/Makefile.*.
3782         * doc/makefile.texi: Fixed markup. Abstract from version
3783         control system used.
3784         (Makefile): Removed obsolete gcc/java/parse.y example.
3785         * doc/sourcebuild.texi: Likewise.
3786         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3787         libgomp, libssp.  Removed fastjar.
3788         (Miscellaneous Docs): Clarify location.
3789         Added COPYING3, COPYING3.LIB.
3790         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3791
3792 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3793
3794         PR target/38085
3795         * config/i386/i386.c (x86_function_profiler)
3796         [!NO_PROFILE_COUNTERS]: Fix typo.
3797         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3798         instead of callq.
3799
3800 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3801             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3802
3803         * doc/sourcebuild.texi (Test Directives): Split into six
3804         subsections, with most of the current text in new subsections
3805         Directives, Selectors, and Final Actions.
3806         (Directives): Split list of test directives into multiple
3807         subsubsections.
3808         (Selectors): Describe use and syntax of selectors.
3809         (Effective-Target Keywords): Describe all existing keywords.
3810         (Add Options): Describe features for dg-add-options.
3811         (Require Support): Describe variants of dg-require-support.
3812         (Final Actions): Describe commands to use in dg-final.
3813
3814 2010-03-22  Michael Matz  <matz@suse.de>
3815
3816         PR middle-end/43475
3817         * recog.c (validate_replace_rtx_group): Replace also in
3818         REG_EQUAL and REG_EQUIV notes.
3819
3820 2010-03-22  Richard Guenther  <rguenther@suse.de>
3821
3822         PR tree-optimization/43390
3823         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3824         sure vector extracts are type correct.
3825
3826 2010-03-22  Richard Guenther  <rguenther@suse.de>
3827
3828         PR middle-end/40106
3829         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3830         x * sqrt (x) even when optimizing for size if the target
3831         has native support for sqrt.
3832
3833 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3834
3835         * varasm.c (make_decl_rtl_for_debug): Also clear
3836         flag_mudflap for the duration of make_decl_rtl call.
3837
3838         PR debug/43443
3839         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3840         locs from preserved VALUEs.
3841
3842 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3843
3844         PR middle-end/42718
3845         * pa.md (movmemsi): Set align to one if zero.
3846         (movmemdi): Likewise.
3847
3848 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3849
3850         PR target/42321
3851         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3852         with their corresponding prologue pushes.
3853
3854 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3855
3856         PR target/43156
3857         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3858         at the begining or end.
3859         (spu_expand_epilogue): Likewise.
3860
3861 2010-03-20  Richard Guenther  <rguenther@suse.de>
3862
3863         PR rtl-optimization/43438
3864         * combine.c (make_extraction): Properly zero-/sign-extend an
3865         extraction of the low part of a CONST_INT.  Also handle
3866         CONST_DOUBLE.
3867
3868 2010-03-19  Mike Stump  <mikestump@comcast.net>
3869
3870         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3871         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3872         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3873
3874 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3875
3876         PR c/43211
3877         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3878         an error.
3879
3880 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3881
3882         PR rtl-optimization/42258
3883         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3884         use that may match DEF.
3885
3886         PR target/40697
3887         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3888         the cost of loading the constant rather than assuming
3889         COSTS_N_INSNS (1).
3890         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3891         outer code is AND, do the same tests as the andsi3 expander and
3892         return COSTS_N_INSNS (1) if and is cheap.
3893
3894         * optabs.c (avoid_expensive_constant): Fix formatting.
3895
3896 2010-03-19  Michael Matz  <matz@suse.de>
3897
3898         PR c++/43116
3899         * attribs.c (decl_attributes): When rebuilding a function pointer
3900         type use the same qualifiers as the original pointer type.
3901
3902 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3903
3904         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3905         and is_gimple_ip_invariant_address.
3906
3907 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3908
3909         Revert
3910         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3911
3912         * config/arm/arm.c (arm_override_options): Turn off
3913         flag_dwarf2_cfi_asm for AAPCS variants.
3914
3915 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3916
3917         PR target/43399
3918         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3919         Use PRE_MODIFY instead of PRE_DEC.
3920         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3921         (vfp_emit_fstmd): Likewise.
3922
3923 2010-03-19  Michael Matz  <matz@suse.de>
3924
3925         PR target/43305
3926         * builtins.c (expand_builtin_interclass_mathfn,
3927         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3928         if that fails.
3929
3930 2010-03-19  Richard Guenther  <rguenther@suse.de>
3931
3932         PR tree-optimization/43415
3933         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3934         (phi_translate_1): ... this.
3935         (phi_translate): Move all caching here.  Cache all NARY
3936         and REFERENCE translations.
3937
3938 2010-03-19  David S. Miller  <davem@davemloft.net>
3939
3940         With help from Eric Botcazou.
3941         * config/sparc/sparc.c: Include dwarf2out.h.
3942         (emit_pic_helper): Delete.
3943         (pic_helper_symbol_name): Delete.
3944         (pic_helper_emitted_p): Delete.
3945         (pic_helper_needed): New.
3946         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3947         (get_pc_thunk_name): New.
3948         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3949         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3950         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3951         (sparc_expand_prologue): Update load_pic_register call.
3952         (sparc_output_mi_thunk): Likewise.
3953         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3954         thunk if possible.  Output CFI information as needed.
3955
3956 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3957             Jack Howarth <howarth@bromo.med.uc.edu>
3958
3959         PR target/36399
3960         * config/i386/i386.h: Fix ABI on darwin x86-32.
3961
3962 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3963
3964         * tree.h: Declare make_decl_rtl_for_debug.
3965         * varasm.c (make_decl_rtl_for_debug): New.
3966         * dwarf2out.c (rtl_for_decl_location): Call it.
3967         * cfgexpand.c (expand_debug_expr): Call it.
3968
3969 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3970
3971         PR bootstrap/43399
3972         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3973         mem_mode.
3974
3975         PR bootstrap/43403
3976         * var-tracking.c (vt_init_cfa_base): Do nothing if
3977         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3978
3979 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3980
3981         PR debug/42873
3982         * var-tracking.c (canonicalize_vars_star): New.
3983         (dataflow_post_merge_adjust): Use it.
3984
3985 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3986
3987         PR debug/43058
3988         * var-tracking.c (non_suitable_const): New function.
3989         (add_uses): For DEBUG_INSNs with constants, don't record any
3990         value, instead just the constant value itself.
3991         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3992         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3993         (emit_notes_in_bb): Likewise.
3994         (emit_note_insn_var_location): For onepart variables if
3995         cur_loc is a VOIDmode constant, use DECL_MODE.
3996
3997 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3998
3999         PR middle-end/42450
4000         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4001         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4002         all non-clones.  Moved call redirection...
4003         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4004         (cgraph_materialize_all_clones): Dispose of all
4005         combined_args_to_skip bitmaps.
4006         (verify_cgraph_node): Do not check for edges pointing to wrong
4007         nodes in inline clones.
4008         * tree-inline.c (copy_bb): Call
4009         cgraph_redirect_edge_call_stmt_to_callee.
4010         * ipa.c (cgraph_remove_unreachable_nodes): Call
4011         cgraph_node_remove_callees even when there are used clones.
4012
4013 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
4014
4015         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4016
4017 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
4018
4019         PR target/43383
4020         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4021         for 32bit.
4022
4023 2010-03-18  Michael Matz  <matz@suse.de>
4024
4025         PR middle-end/43419
4026         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)