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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
2
3         * plugin.h (invoke_plugin_callbacks): New inline function.
4         * plugin.c (flag_plugin_added): New global flag.
5         (add_new_plugin): Initialize above flag.
6         (invoke_plugin_callbacks): Rename to ...
7         (invoke_plugin_callbacks_full): ... this.
8
9 2010-04-28  Jan Hubicka  <jh@suse.cz>
10
11         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
12         (lto_varpool_replace_node): New.
13         (lto_symtab_resolve_symbols): Resolve varpool nodes.
14         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
15         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
16         * cgraph.h (varpool_node_ptr): New type.
17         (varpool_node_ptr): New vector.
18         (varpool_node_set_def): New structure.
19         (varpool_node_set): New type.
20         (varpool_node_set): New vector.
21         (varpool_node_set_element_def): New structure.
22         (varpool_node_set_element, const_varpool_node_set_element): New types.
23         (varpool_node_set_iterator): New type.
24         (varpool_node): Add prev pointers, add used_from_other_partition,
25         in_other_partition.
26         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
27         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
28         varpool_get_node, varpool_remove_node): Declare.
29         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
30         varpool_node_set_size): New inlines.
31         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
32         * tree-pass.h (varpool_node_set_def): Forward declare.
33         (ipa_opt_pass_d): Summary writting takes vnode sets too.
34         (ipa_write_optimization_summaries): Update prototype.
35         * ipa-cp.c (ipcp_write_summary): Update.
36         * ipa-reference.c (ipa_reference_write_summary): Update.
37         * lto-cgraph.c (lto_output_varpool_node): New static function.
38         (output_varpool): New function.
39         (input_varpool_node): New static function.
40         (input_varpool_1): New function.
41         (input_cgraph): Input varpool.
42         * ipa-pure-const.c (pure_const_write_summary): Update.
43         * lto-streamer-out.c (lto_output): Update, output varpool too.
44         (write_global_stream): Kill WPA hack.
45         (produce_asm_for_decls): Update.
46         (output_alias_pair_p): Handle variables.
47         (output_unreferenced_globals): Output only needed partition of varpool.
48         * ipa-inline.c (inline_write_summary): Update.
49         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
50         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
51         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
52         varpool_node_set_new, varpool_node_set_add,
53         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
54         debug_varpool_node_set): New functions.
55         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
56         (execute_one_pass): Process new decls too.
57         (ipa_write_summaries_2): Pass around vsets.
58         (ipa_write_summaries_1): Likewise.
59         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
60         to add.
61         (ipa_write_optimization_summaries_1): Pass around vsets.
62         (ipa_write_optimization_summaries): Likewise.
63         * varpool.c (varpool_get_node): New.
64         (varpool_node): Update doubly linked lists.
65         (varpool_remove_node): New.
66         (dump_varpool_node): More dumping.
67         (varpool_enqueue_needed_node): Update doubly linked lists.
68         (decide_is_variable_needed): Kill ltrans hack.
69         (varpool_finalize_decl): Kill lto hack.
70         (varpool_assemble_decl): Skip decls in other partitions.
71         (varpool_assemble_pending_decls): Update doubly linkes lists.
72         (varpool_empty_needed_queue): Likewise.
73         (varpool_extra_name_alias): Likewise.
74         * lto-streamer.c (lto_get_section_name): Add vars section.
75         * lto-streamer.h (lto_section_type): Update.
76         (output_varpool, input_varpool): Declare.
77
78 2010-04-28  Mike Stump  <mikestump@comcast.net>
79
80         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
81
82 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
83
84         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
85         record or union type with RECORD_OR_UNION_TYPE_P predicate.
86         (lto_input_ts_type_tree_pointers): Likewise.
87         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
88         (lto_output_ts_type_tree_pointers): Likewise.
89
90 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
91
92         Uniquization of constants at the Tree level
93         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
94         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
95         bit to the end.
96         (tree_output_constant_def): Declare.
97         * gimplify.c (gimplify_init_constructor): When using block copy, first
98         uniquize the constant constructor on the RHS.
99         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
100         DECL_IN_CONSTANT_POOL flag.
101         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
102         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
103         constant pool.
104         (assemble_variable): Deal with symbols belonging to the tree constant
105         pool.
106         (get_constant_section): Add ALIGN parameter and simplify.
107         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
108         (assemble_constant_contents): Use the expression of the VAR_DECL.
109         (output_constant_def_contents): Use the alignment of the VAR_DECL.
110         (tree_output_constant_def): New global function.
111         (mark_constant): Use the expression of the VAR_DECL.
112         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
113         its expression.
114         (output_object_block): Likewise and assemble the expression.
115
116 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
117
118         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
119         hash_tree, eq_tree): New tree hash table.
120         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
121         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
122         lto_orig_address_remove): Reimplement.
123
124 2010-04-28  Xinliang David Li  <davidxl@google.com>
125
126         PR c/42643
127         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
128         (compute_uninit_opnds_pos): New function.
129         (is_non_loop_exit_postdominating): New function.
130         (compute_control_dep_chain): New function.
131         (find_pdom): New function.
132         (convert_control_dep_chain_into_preds): New function.
133         (find_predicates): New function.
134         (find_control_equiv_block): New function.
135         (collect_phi_def_edges): New function.
136         (find_def_preds): New function.
137         (find_dom): New function.
138         (dump_predicates): New function.
139         (get_cmp_code): New function.
140         (is_value_included_in): New function.
141         (find_matching_predicate_in_rest_chains): New function.
142         (use_pred_not_overlap_with_undef_path_pred): New function.
143         (is_use_properly_guarded): New function.
144         (normalize_cond_1): New function.
145         (is_and_or_or): New function.
146         (normalize_cond): New function.
147         (is_gcond_subset_of): New function.
148         (is_subset_of_any): New function.
149         (is_or_set_subset_of): New function.
150         (is_and_set_subset_of): New function.
151         (is_norm_cond_subset_of): New function.
152         (is_pred_expr_subset_of): New function.
153         (is_pred_chain_subset_of): New function.
154         (is_included_in): New function.
155         (is_superset_of): New function.
156         (find_uninit_use): New function.
157         (warn_uninitialized_phi): New function.
158         (compute_possibly_undefined_names): New function.
159         (ssa_undefined_value_p): New function.
160         (execute_late_warn_uninitialized): New function.
161         * tree-ssa.c (ssa_undefined_value_p): Removed.
162         (warn_uninit): Changed to extern.
163         (warn_uninitialized_phi): Removed.
164         (warn_uninitialized_vars): Changed to extern.
165         (execute_late_warn_uninitialized): Removed
166         * tree-flow.h: Add new prototypes.
167         * timevar.def: Add new time variable.
168         * Makefile.in: Add new build file.
169
170 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
171
172         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
173         type if available.
174
175 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
176
177         PR target/22224
178         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
179
180 2010-04-28  Martin Jambor  <mjambor@suse.cz>
181
182         * cgraph.h (struct cgraph_node): New field indirect_calls.
183         (struct cgraph_indirect_call_info): New type.
184         (struct cgraph_edge): Removed field indirect_call. New fields
185         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
186         (cgraph_create_indirect_edge): Declare.
187         (cgraph_make_edge_direct): Likewise.
188         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
189         * ipa-prop.h (struct ipa_param_call_note): Removed.
190         (struct ipa_node_params): Removed field param_calls.
191         (ipa_create_all_structures_for_iinln): Declare.
192         * cgraph.c: Described indirect edges and uids in initial comment.
193         (cgraph_add_edge_to_call_site_hash): New function.
194         (cgraph_edge): Search also among the indirect edges, use
195         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
196         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
197         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
198         site hash.
199         (initialize_inline_failed): Assign a reason to indirect edges.
200         (cgraph_create_edge_1): New function.
201         (cgraph_create_edge): Moved some functionality to
202         cgraph_create_edge_1.
203         (cgraph_create_indirect_edge): New function.
204         (cgraph_edge_remove_callee): Add an assert checking for
205         non-indirectness.
206         (cgraph_edge_remove_caller): Special-case indirect edges.
207         (cgraph_remove_edge): Likewise.
208         (cgraph_set_edge_callee): New function.
209         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
210         (cgraph_make_edge_direct): New function.
211         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
212         the declaration of the call statement matches.
213         (cgraph_node_remove_callees): Special-case indirect edges.
214         (cgraph_clone_edge): Likewise.
215         (cgraph_clone_node): Clone also the indirect edges.
216         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
217         indirect_call, dump count of indirect_calls edges.
218         * ipa-prop.c (iinlining_processed_edges): New variable.
219         (ipa_note_param_call): Create indirect edges instead of
220         creating notes.  New parameter node.
221         (ipa_analyze_call_uses): New parameter node, pass it on to
222         ipa_note_param_call.
223         (ipa_analyze_stmt_uses): Likewise.
224         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
225         (print_edge_addition_message): Work on edges rather than on notes.
226         (update_call_notes_after_inlining): Likewise, renamed to
227         update_indirect_edges_after_inlining.
228         (ipa_create_all_structures_for_iinln): New function.
229         (ipa_free_node_params_substructures): Do not free notes.
230         (ipa_edge_duplication_hook): Propagate bits within
231         iinlining_processed_edges bitmap.
232         (ipa_node_duplication_hook): Do not duplicate notes.
233         (free_all_ipa_structures_after_ipa_cp): Renamed to
234         ipa_free_all_structures_after_ipa_cp.
235         (free_all_ipa_structures_after_iinln): Renamed to
236         ipa_free_all_structures_after_iinln.g
237         (ipa_write_param_call_note): Removed.
238         (ipa_read_param_call_note): Removed.
239         (ipa_write_indirect_edge_info): New function.
240         (ipa_read_indirect_edge_info): Likewise.
241         (ipa_write_node_info): Do not stream notes, do stream information
242         in indirect edges.
243         (ipa_read_node_info): Likewise.
244         (lto_ipa_fixup_call_notes): Removed.
245         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
246         * ipa-inline.c (pass_ipa_inline): Likewise.
247         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
248         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
249         * tree-inline.c (copy_bb): Removed an unnecessary double check for
250         is_gimple_call.
251         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
252         edges.
253         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
254         (output_cgraph): Stream also indirect edges.
255         (lto_output_edge): Added capability to stream indirect edges.
256         (input_edge): Likewise.
257         (input_cgraph_1): Likewise.
258         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
259         of indirect edges.
260
261 2010-04-28  Richard Guenther  <rguenther@suse.de>
262
263         PR tree-optimization/43879
264         PR tree-optimization/43909
265         * tree-ssa-structalias.c (struct variable_info): Add
266         only_restrict_pointers flag.
267         (new_var_info): Initialize it.  Increment stats.total_vars here.
268         (create_function_info_for): Do not increment stats.total_vars
269         here.
270         (get_function_part_constraint): Fix build with C++.
271         (insert_into_field_list): Remove.
272         (push_fields_onto_fieldstack): Properly merge fields.
273         (create_variable_info_for): Split and simplify.
274         (create_variable_info_for_1): New piece.
275         (intra_create_variable_infos): Properly make restrict constraints
276         from parameters.
277
278 2010-04-28  Richard Guenther  <rguenther@suse.de>
279
280         PR c++/43880
281         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
282         value-exprs.
283
284 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
285             Jan Hubicka <hubicka@ucw.cz>
286
287         * doc/invoke.texi (-Wsuggest-attribute=const,
288         -Wsuggest-attribute=pure): Document.
289         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
290         (function_always_visible_to_compiler_p,
291         suggest_attribute, warn_function_pure, warn_function_const):
292         New functions.
293         (check_call): Improve debug info.
294         (analyze_function): Do not check availability.
295         (add_new_function): Check availability.
296         (propagate): Output warnings.
297         (skip_function_for_local_pure_const): New function.
298         (local_pure_const): Use it; output warnings.
299         * common.opt (Wsuggest-attribute=const,
300         Wsuggest-attribute=pure): New.
301
302 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
303
304         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
305         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
306         or DW_CFA_def_cfa_offset{,_sf}.
307
308 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
309
310         * tree.h: Fix truncated long macros.
311
312 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
313
314         * collect2.c (TARGET_64BIT): Redefine to target's default.
315         * tlink.c: Likewise.
316         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
317         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
318         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
319         for underscoring __USER_LABEL_PREFIX__.
320         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
321         (SUB_LINK_ENTRY32): New.
322         (SUB_LINK_ENTRY64): New.
323         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
324         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
325         (SUB_LINK_ENTRY64): New.
326         (SUB_LINK_ENTRY): New.
327         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
328         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
329         x64 target is choosen.
330         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
331         * configure: Regenerated.
332         * configure.ac (leading-mingw64-underscores): Option added.
333
334 2010-04-27  Jan Hubicka  <jh@suse.cz>
335
336         * doc/invoke.texi (-fipa-profile): Document.
337         * opts.c (decode_options): Enable ipa-profile at -O1.
338         * timevar.def (TV_IPA_PROFILE): Define.
339         * common.opt (fipa-profile): Add.
340         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
341         flag for clones.
342         (cgraph_propagate_frequency): Handle only local ones.
343         * tree-pass.h (pass_ipa_profile): Declare.
344         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
345         (pass_ipa_profile): Use TV_IPA_PROFILE.
346         * ipa.c (ipa_profile): New function.
347         (gate_ipa_profile): Likewise.
348         (pass_ipa_profile): New global variable.
349         * passes.c (pass_ipa_profile): New.
350
351 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
352
353         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
354
355 2010-04-27  Martin Jambor  <mjambor@suse.cz>
356
357         PR middle-end/43812
358         * ipa.c (dissolve_same_comdat_group_list): New function.
359         (function_and_variable_visibility): Call
360         dissolve_same_comdat_group_list when comdat group contains external or
361         newly local nodes.
362         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
363         lists are circular and that they contain only DECL_ONE_ONLY nodes.
364
365 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
366
367         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
368         (const_hash_1) <VECTOR_CST>: New case.
369         (compare_constant) <VECTOR_CST>: Likewise.
370         <ADDR_EXPR>: Deal with LABEL_REFs.
371         (copy_constant) <VECTOR_CST>: New case.
372
373 2010-04-27  Jan Hubicka  <jh@suse.cz>
374
375         * cgraph.c (cgraph_propagate_frequency): New function.
376         * cgraph.h (cgraph_propagate_frequency): Declare.
377         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
378         cgraph_propagate_frequency.
379
380 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
381
382         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
383
384 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
385
386         PR target/40657
387         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
388         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
389         here to determine which regs to push and how much stack to reserve.
390
391 2010-04-27  Jie Zhang  <jie@codesourcery.com>
392
393         * doc/gimple.texi (gimple_statement_with_ops): Remove
394         addresses_taken field.
395         (gimple_statement_with_memory_ops): Likewise.
396
397 2010-04-27  Jan Hubicka  <jh@suse.cz>
398
399         * tree-inline.c (eni_inlining_weights): Remove.
400         (estimate_num_insns): Special case more builtins.
401
402 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
403
404         PR c/32207
405         * c-typeck.c (build_binary_op): Move forward check for comparison
406         pointer with null pointer constant and adjust the diagnostic message.
407
408 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
409
410         PR lto/42776
411         * configure.ac (gcc_cv_as_section_has_align): Set if installed
412         binutils supports extended .section directive needed by LTO, or
413         warn if older binutils found.
414         (LTO_BINARY_READER): New AC_SUBST'd variable.
415         (LTO_USE_LIBELF): Likewise.
416         * gcc/config.gcc (lto_binary_reader): New target-specific configure
417         variable.
418         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
419         (LTO_USE_LIBELF): Likewise.
420         * configure: Regenerate.
421
422         * collect2.c (is_elf): Rename from this ...
423         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
424          object files in addition to ELF-formatted ones.
425         (scan_prog_file): Caller updated.  Also allow for LTO info marker
426         symbol to be prefixed or not by an extra underscore.
427
428         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
429         * config/i386/winnt.c: Also #include lto-streamer.h
430         (i386_pe_asm_named_section): Specify 1-byte section alignment for
431         LTO named sections.
432         (i386_pe_asm_output_aligned_decl_common): Add comment.
433         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
434
435 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
436
437         PR target/43889
438         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
439         Add missing earlyclobber for second alternative.
440
441 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
442
443         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
444         bits for artificial defs at the top of the block.
445         * fwprop.c (single_def_use_enter_block): Don't call it.
446
447 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
448
449         PR 43715
450         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
451         instead of "$gcc_cv_objdump -T".
452         Use "-undefined dynamic_lookup" on darwin.
453         * gcc/configure: Regenerate.
454
455 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
456
457         PR c/43893
458         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
459
460 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
461
462         * c-parser.c (struct c_token): Move location field up.
463         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
464         (struct c_declspecs): Convert typespec_word, storage_class, and
465         default_int_p into bitfields.
466         (struct c_declarator): Move loc field up.
467
468 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
469
470         * cfgloop.h (struct loop): Move can_be_parallel field up.
471         * ipa-prop.h (struct ip_node_params): Move bitfields up.
472         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
473         down.
474         (struct iv_cand): Convert pos field into a bitfield.
475         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
476         field up.
477         (struct _stmt_vec_info): Shuffle fields for better packing.
478
479 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
480
481         * varasm.c (IN_NAMED_SECTION): Remove guard.
482         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
483         (IN_NAMED_SECTION_P): ...this.
484         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
485         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
486
487 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
488
489         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
490         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
491         of shadowing it.  Fix comments.
492
493 2010-04-26  Jan Hubicka  <jh@suse.cz>
494
495         * cgraph.c (cgraph_create_node): Set node frequency to normal.
496         (cgraph_clone_node): Copy function frequency.
497         * cgraph.h (node_frequency): New enum
498         (struct cgraph_node): Add.
499         * final.c (rest_of_clean_state): Update.
500         * lto-cgraph.c (lto_output_node): Output node frequency.
501         (input_overwrite_node): Input node frequency.
502         * tre-ssa-loop-ivopts (computation_cost): Update.
503         * lto-streamer-out.c (output_function): Do not output function
504         frequency.
505         * predict.c (maybe_hot_frequency_p): Update and handle functions
506         executed once.
507         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
508         attribute lookup.
509         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
510         (compute_function_frequency): Set noreturn functions to be executed
511         once.
512         (choose_function_section): Update.
513         * lto-streamer-in.c (input_function): Do not input function frequency.
514         * function.c (allocate_struct_function): Do not initialize function
515         frequency.
516         * function.h (function_frequency): Remove.
517         (struct function): Remove function frequency.
518         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
519         (try_update): Update.
520         * tree-inline.c (initialize_cfun): Do not update function frequency.
521         * passes.c (pass_init_dump_file): Update.
522         * i386.c (ix86_compute_frame_layout): Update.
523         (ix86_pad_returns): Update.
524
525 2010-04-26  Jie Zhang  <jie@codesourcery.com>
526
527         PR tree-optimization/43833
528         * tree-vrp.c (range_int_cst_p): New.
529         (range_int_cst_singleton_p): New.
530         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
531         when both operands are constants.  Use range_int_cst_p in
532         BIT_IOR_EXPR case.
533
534 2010-04-26  Jan Hubicka  <jh@suse.cz>
535
536         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
537
538 2010-04-26  Richard Guenther  <rguenther@suse.de>
539
540         PR lto/43080
541         * gimple.c (gimple_decl_printable_name): Deal gracefully
542         with a NULL DECL_NAME.
543
544 2010-04-26  Richard Guenther  <rguenther@suse.de>
545
546         PR lto/42425
547         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
548         if emitting debug information and it is either a function
549         or a namespace decl.
550
551 2010-04-26  Ira Rosen  <irar@il.ibm.com>
552
553         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
554         determine if the statement is vectorizable, and a macro to access it.
555         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
556         Skip statements that can't be vectorized. If the analysis fails,
557         mark the statement as unvectorizable if vectorizing basic block.
558         (vect_compute_data_refs_alignment): Likewise.
559         (vect_verify_datarefs_alignment): Skip statements marked as
560         unvectorizable. Add print.
561         (vect_analyze_group_access): Skip statements that can't be
562         vectorized. If the analysis fails, mark the statement as
563         unvectorizable if vectorizing basic block.
564         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
565         * tree-vect-stmts.c (vectorizable_store): Fix the number of
566         generated stmts for SLP.
567         (new_stmt_vec_info): Initialize the new field.
568         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
569         statements marked as unvectorizable.
570
571 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
572
573         * c-common.c (flag_isoc1x): New.
574         (flag_isoc99): Update comment.
575         * c-common.h (flag_isoc1x): New.
576         (flag_isoc99): Update comment.
577         * c-cppbuiltin.c (builtin_define_float_constants): Also define
578         __<type>_DECIMAL_DIG__.
579         * c-opts.c (set_std_c1x): New.
580         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
581         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
582         * c.opt (-std=c1x, -std=gnu1x): New options.
583         * doc/cpp.texi: Mention -std=c1x.
584         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
585         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
586         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
587         * doc/standards.texi: Mention C1X.
588         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
589         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
590         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
591         Define for C1X.
592
593 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
594
595         * config/i386/gmon-sol2.c (_mcleanup): Change format string
596         placeholder from 0x%x to %#x.
597         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
598         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
599         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
600         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
601         * config/i386/i386.c (ix86_target_string): Ditto.
602         (output_pic_addr_const): Ditto.
603         (print_operand): Ditto.
604
605 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
606
607         * combine.c (find_split_point): Add third argument.  Use it
608         to find nested multiply-accumulate instructions.  Adjust calls.
609         (try_combine): Adjust call to find_split_point.
610
611 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
612
613         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
614
615 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
616
617         PR tree-optimization/41442
618         * fold-const.c (merge_truthop_with_opposite_arm): New function.
619         (fold_binary_loc): Call it.
620
621 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
622
623         * toplev.c (general_init): Set default for fdiagnostics-show-option.
624         * opts.c (common_handle_option): Allow disabling it.
625         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
626
627 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
628
629         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
630         between modes if both types are integral.
631
632 2010-04-23  Richard Guenther  <rguenther@suse.de>
633
634         PR tree-optimization/43572
635         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
636
637 2010-04-23  Richard Guenther  <rguenther@suse.de>
638
639         PR lto/43455
640         * tree-inline.c (tree_can_inline_p): Also check compatibility
641         of return types.
642
643 2010-04-23  Martin Jambor  <mjambor@suse.cz>
644
645         PR tree-optimization/43846
646         * tree-sra.c (struct access): New flag grp_assignment_read.
647         (build_accesses_from_assign): Set grp_assignment_read.
648         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
649         (enum mark_read_status): New type.
650         (analyze_access_subtree): Propagate grp_assignment_read, create
651         accesses also if both direct_read and root->grp_assignment_read.
652
653 2010-04-23  Martin Jambor  <mjambor@suse.cz>
654
655         PR middle-end/43835
656         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
657         function does not have type attributes.
658
659 2010-04-23  Richard Guenther  <rguenther@suse.de>
660
661         PR lto/42653
662         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
663         of FUNCTION_DECLs.
664
665 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
666
667         * sese.h (create_if_region_on_edge): Remove.
668
669         * sese.c (create_if_region_on_edge): Make static.
670
671         * tree-inline.c: Do not include ggc.h.
672
673         * expr.c: Do not include ggc.h.
674
675         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
676         dependencies.
677
678 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
679
680         PR target/43744
681         * config/sh/sh.c (find_barrier): Don't emit a constant pool
682         in the middle of insns for casesi_worker_2.
683
684 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
685
686         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
687
688 2010-04-22  Ira Rosen  <irar@il.ibm.com>
689
690         PR tree-optimization/43842
691         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
692         loop unrolling in update of exit phis. Fix comment.
693         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
694         least two reduction statements in the loop before starting SLP
695         analysis.
696
697 2010-04-22  Nick Clifton  <nickc@redhat.com>
698
699         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
700
701 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
702
703         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
704         to simplify a + ~a.
705
706 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
707
708         * tree-parloops.c (loop_parallel_p): New argument
709         parloop_obstack.  Pass it down.
710         (parallelize_loops): New variable parloop_obstack.  Initialize it,
711         pass it down, free it.
712
713         * tree-loop-linear.c (linear_transform_loops): Pass down
714         lambda_obstack.
715
716         * tree-data-ref.h (lambda_compute_access_matrices): New argument
717         of type struct obstack *.
718
719         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
720         scratch_obstack.  Initialize it, pass down, free it.
721
722         * lambda.h (lambda_loop_new): Remove.
723         (lambda_matrix_new, lambda_matrix_inverse)
724         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
725         argument of type struct obstack *.
726
727         * lambda-trans.c (lambda_trans_matrix_new): New argument
728         lambda_obstack.  Pass it down, use obstack allocation for ret.
729         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
730         it down.
731
732         * lambda-mat.c (lambda_matrix_get_column)
733         (lambda_matrix_project_to_null): Remove.
734         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
735         allocation for mat.
736         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
737         lambda_obstack.
738
739         * lambda-code.c (lambda_loop_new): New function.
740         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
741         (lambda_compute_auxillary_space, lambda_compute_target_space)
742         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
743         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
744         (build_access_matrix): New argument lambda_obstack.  Use obstack
745         allocation for am.
746         (lambda_compute_step_signs, lambda_compute_access_matrices): New
747         argument lambda_obstack.  Pass it down.
748
749 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
750
751         * optabs.h (expand_widening_mult): Declare.
752
753 2010-04-22  Richard Guenther  <rguenther@suse.de>
754
755         PR tree-optimization/43845
756         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
757         lookup the CALL_EXPR function and arguments.
758
759 2010-04-22  Nick Clifton  <nickc@redhat.com>
760
761         * config/stormy16/stormy16.c
762         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
763         * config/stormy16/stormy16.h: Tidy up formatting.
764         (DONT_USE_BUILTIN_SETJMP): Remove definition.
765         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
766         (ineqbranchsi): Delete pattern.
767         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
768         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
769         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
770         stormy16-lib2-ucmpsi2.c.
771
772 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
773
774         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
775         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
776         extra set merge_set_noclobber, and use it to relax the final test
777         slightly.
778         * df.h (df_simulate_find_noclobber_defs): Declare.
779         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
780         conditional defs.
781         (df_simulate_find_noclobber_defs): New function.
782
783 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
784
785         * config/i386/i386.md: Use {} around multi-line preparation statements.
786
787 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
788
789         * c-tree.h (push_init_level, pop_init_level, set_init_index)
790         (process_init_element): New argument of type struct obstack *.
791
792         * c-typeck.c (push_init_level, pop_init_level, set_designator)
793         (set_init_index, set_init_label, set_nonincremental_init)
794         (set_nonincremental_init_from_string, find_init_member)
795         (output_init_element, output_pending_init_elements)
796         (process_init_element): New argument braced_init_obstack.  Pass it
797         down.
798         (push_range_stack, add_pending_init): New argument
799         braced_init_obstack.  Use obstack allocation.
800
801         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
802         braced_init_obstack.  Pass it down.
803         (c_parser_braced_init): New variables ret, braced_init_obstack.
804         Initialize obstack, pass it down and finally free it.
805
806 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
807
808         PR middle-end/29274
809         * tree-pass.h (pass_optimize_widening_mul): Declare.
810         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
811         gate_optimize_widening_mul): New static functions.
812         (pass_optimize_widening_mul): New.
813         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
814         <case MULT_EXPR>: Remove support for widening multiplies.
815         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
816         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
817         simplify_gen_unary rather than directly building extensions.
818         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
819         WIDEN_MULT_EXPR.
820         * expmed.c (expand_widening_mult): New function.
821         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
822
823 2010-04-21  Jan Hubicka  <jh@suse.cz>
824
825         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
826         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
827         * lto-wpa-fixup.c: Remove.
828         * Makefile.in (lto-wpa-fixup.o): Remove.
829         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
830         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
831         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
832
833 2010-04-21  Jan Hubicka  <jh@suse.cz>
834
835         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
836         add write_optimization_summary, read_optimization_summary.
837         (ipa_write_summaries_of_cgraph_node_set): Remove.
838         (ipa_write_optimization_summaries): Declare.
839         (ipa_read_optimization_summaries): Declare.
840         * ipa-cp.c (pass_ipa_cp): Update.
841         * ipa-reference.c (pass_ipa_reference): Update.
842         * ipa-pure-const.c (pass_ipa_pure_const): Update.
843         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
844         Update.
845         * ipa-inline.c (pass_ipa_inline): Update.
846         * ipa.c (pass_ipa_whole_program): Update.
847         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
848         * passes.c (ipa_write_summaries_1): Do not test wpa.
849         (ipa_write_optimization_summaries_1): New.
850         (ipa_write_optimization_summaries): New.
851         (ipa_read_summaries): Do not test ltrans.
852         (ipa_read_optimization_summaries_1): New.
853         (ipa_read_optimization_summaries): New.
854
855 2010-04-21  Jan Hubicka  <jh@suse.cz>
856
857         * lto-cgraph.c (lto_output_node): Do not output comdat groups
858         for boundary nodes.
859         (output_cgraph): Do not arrange comdat groups for boundary nodes.
860
861 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
862
863         PR debug/40040
864         * dwarf2out.c (add_name_and_src_coords_attributes): Add
865         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
866
867 2010-04-21  Jan Hubicka  <jh@suse.cz>
868
869         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
870
871 2010-04-21  Jan Hubicka  <jh@suse.cz>
872
873         * varpool.c (decide_is_variable_needed): Variable is always needed
874         during ltrans.
875
876 2010-04-21  Jan Hubicka  <jh@suse.cz>
877
878         * opts.c (decode_options): Enable pure-const pass for whopr.
879
880 2010-04-21  Jan Hubicka  <jh@suse.cz>
881
882         * cgraph.c (dump_cgraph_node): Dump also assembler name.
883         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
884         at WPA dumping.
885         (cgraph_decide_inlining): Do not expect callee to be removed in all
886         cases.
887
888 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
889
890         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
891
892 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
893
894         * config/i386/i386.md (x86_shrd): Add athlon_decode and
895         amdfam10_decode attributes.
896
897 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
898
899         PR middle-end/43570
900         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
901         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
902         (lower_copyprivate_clauses): Use private var in outer
903         context instead of original var.  Make sure the types
904         are correct for VLAs.
905
906 2010-04-21  Richard Guenther  <rguenther@suse.de>
907
908         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
909         to non-pointer objects.
910
911 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
912
913         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
914         last chain entry if it starts with the still current label.
915         (add_location_or_const_value_attribute): Check that
916         loc_list->first->next is NULL instead of comparing ->first with ->last.
917         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
918         to add_var_loc_to_decl.
919
920         * dwarf2out.c (output_call_frame_info): For dw_cie_version
921         >= 4 add also address size and segment size fields into CIE header.
922
923         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
924         long as address size is the same as sizeof (void *) and
925         segment size is 0.
926         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
927         address size or segment size is unexpected, return DW_EH_PE_omit.
928         (classify_object_over_fdes): If get_cie_encoding returned
929         DW_EH_PE_omit, return -1.
930         (init_object): If classify_object_over_fdes returned -1,
931         pretend there were no FDEs at all.
932
933 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
934
935         * config/i386/i386.md (bswap<mode>2): Macroize expander from
936         bswap{si,di}2 using SWI48 mode iterator.
937         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
938         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
939         set modrm attribute of bswap insn to 0 and remove length attribute.
940         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
941         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
942         set mode attribute to <MODE> and remove length attribute.
943
944 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
945
946         PR rtl-optimization/43520
947         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
948         zero available registers.
949
950 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
951
952         * builtins.c (fold_builtin_cproj): Fold more cases.
953
954 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
955
956         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
957         (fold_builtin_1): Fold builtin cproj.
958         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
959         Use ATTR_CONST_NOTHROW_LIST.
960
961 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
962
963         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
964         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
965         ffsi2_no_cmove for !TARGET_CMOVE.
966         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
967         (ffssi2): Remove expander.
968         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
969         mode iterator.
970         (ctz<mode>2): Ditto from ctz{si,di}2.
971         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
972         mode iterator.
973         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
974         mode iterator.
975
976 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
977
978         * dwarf2out.c (AT_linkage_name): Define.
979         (clone_as_declaration): Handle DW_AT_linkage_name.
980         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
981         of DW_AT_MIPS_linkage_name.
982         (move_linkage_attr): Likewise.
983         (dwarf2out_finish): Likewise.
984
985 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
986
987         PR middle-end/41952
988         * fold-const.c (fold_comparison): New folding rule.
989
990 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
991
992         * double-int.h (double_int_setbit): Declare.
993         * double-int.c (double_int_setbit): New function.
994         * rtl.h (immed_double_int_const): Declare.
995         * emit-rtl.c (immed_double_int_const): New function.
996         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
997         and immed_double_int_const functions.
998         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
999         expand_copysign_bit):  (Ditto.).
1000         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1001         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1002         * dojump.c (prefer_and_bit_test): (Ditto.).
1003         * expr.c (convert_modes, reduce_to_bit_field_precision,
1004         const_vector_from_tree): (Ditto.).
1005         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1006
1007 2010-04-20  Jan Hubicka  <jh@suse.cz>
1008
1009         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1010         (dump_cgraph_node): Dump new flags.
1011         * cgraph.h (struct cgraph_node): Add flags
1012         reachable_from_other_partition and in_other_partition.
1013         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1014         other partition can not be removed.
1015         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1016         the other partition must be output; silence sanity checking on
1017         leaking functions bodies from other paritition.
1018         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1019         (lto_output_node): Output new flags; do not sanity check that inline
1020         clones are output; drop lto_forced_extern_inline_p code; do not mock
1021         visibility flags at partition boundaries.
1022         (add_node_to): New function.
1023         (output_cgraph): Use it to sort functions so masters appear before
1024         clones.
1025         (input_overwrite_node): Input new flags.
1026         * passes.c (ipa_write_summaries): Do not call
1027         lto_new_extern_inline_states.
1028         * lto-section-out.c (forced_extern_inline,
1029         lto_new_extern_inline_states lto_delete_extern_inline_states,
1030         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1031         * lto-streamer.h (lto_new_extern_inline_states,
1032         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1033         lto_forced_extern_inline_p): Kill.
1034
1035 2010-04-20  Richard Guenther  <rguenther@suse.de>
1036
1037         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1038         from vars that can have pointers.
1039         (process_constraint): Dump useless constraints.
1040
1041 2010-04-20  Richard Guenther  <rguenther@suse.de>
1042
1043         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1044         (dump_sa_points_to_info): Remove asserts.
1045         (init_base_vars): nothing_id isn't an escape point nor does it
1046         have pointers.
1047
1048 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1049
1050         * tree.h (TYPE_REF_IS_RVALUE): Define.
1051         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1052         should_move_die_to_comdat, prune_unused_types_walk): Handle
1053         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1054         (modified_type_die, gen_reference_type_die): Emit
1055         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1056         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1057
1058 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1059
1060         PR target/43635
1061         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1062         calls for -fpic -m31 if they have been sibcall optimized.
1063
1064 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1065
1066         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1067         ar.lc fixed and call-used.
1068
1069         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1070
1071 2010-04-19  Jan Hubicka  <jh@suse.cz>
1072
1073         * opts.c (decode_options): Disable whpr incompatible passes.
1074         * lto/lto.c (lto_1_to_1_map): Skip clones.
1075         (read_cgraph_and_symbols): Do not mark everything as needed.
1076         (do_whole_program_analysis): Do map only after optimizing;
1077         set proper cgraph_state; use passmanager.
1078
1079 2010-04-19  DJ Delorie  <dj@redhat.com>
1080
1081         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1082         POINTER_PLUS_EXPR and fix them.
1083
1084 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1085
1086         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1087         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1088         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1089         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1090         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1091         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1092         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1093         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1094         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1095         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1096         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1097
1098 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1099
1100         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1101         (check_cond_move_block): Likewise.
1102         (cond_move_process_if_block): Likewise.
1103         (noce_find_if_block): Improve formatting.
1104         (find_if_header): Pass 0 to memset and tweak conditions.
1105         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1106
1107 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1108
1109         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1110         for -gdwarf-4.
1111
1112         PR middle-end/43337
1113         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1114         with non-local decl doesn't need chain.
1115
1116 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1117
1118         * ira-color.c (allocno_reload_assign): Avoid accumulating
1119         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1120
1121 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1122
1123         * gimple.h (create_tmp_reg): Declare.
1124         * gimplify.c (create_tmp_reg): New function.
1125         (gimplify_return_expr): Use create_tmp_reg.
1126         (gimplify_omp_atomic): Likewise.
1127         (gimple_regimplify_operands): Likewise.
1128         * tree-dfa.c (make_rename_temp): Likewise.
1129         * tree-predcom.c (predcom_tmp_var): Likewise.
1130         (reassociate_to_the_same_stmt): Likewise.
1131         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1132         (get_replaced_param_substitute): Likewise.
1133         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1134         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1135         * tree-ssa-pre.c (get_representative_for): Likewise.
1136         (create_expression_by_pieces): Likewise.
1137         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1138         (create_tailcall_accumulator): Likewise.
1139
1140 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1141
1142         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1143         new_stmt.
1144         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1145
1146 2010-04-19  Richard Guenther  <rguenther@suse.de>
1147
1148         PR tree-optimization/43796
1149         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1150         from SCEV in the lattice.
1151         (vrp_visit_phi_node): Dump change.
1152
1153 2010-04-19  Richard Guenther  <rguenther@suse.de>
1154
1155         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1156         * configure: Re-generated.
1157
1158 2010-04-19  Richard Guenther  <rguenther@suse.de>
1159
1160         PR tree-optimization/43783
1161         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1162         constant ARRAY_REF operands two and three if possible.
1163
1164 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1165
1166         PR target/43766
1167         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1168
1169 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1170
1171         PR target/43662
1172         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1173
1174 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1175
1176         PR tree-optimization/37027
1177         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1178         and macro to access it.
1179         (vectorizable_reduction): Add argument.
1180         (vect_get_slp_defs): Likewise.
1181         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1182         statements for possible use in SLP.
1183         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1184         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1185         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1186         add new argument.
1187         (vectorizable_reduction): Likewise.
1188         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1189         vect_get_slp_defs.
1190         (vectorizable_type_demotion, vectorizable_type_promotion,
1191         vectorizable_store): Likewise.
1192         (vect_analyze_stmt): Update call to vectorizable_reduction.
1193         (vect_transform_stmt): Likewise.
1194         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1195         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1196         from different interleaving chains in same node.
1197         (vect_slp_rearrange_stmts): New function.
1198         (vect_supported_load_permutation_p): Allow load permutations for
1199         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1200         inside SLP nodes if necessary.
1201         (vect_analyze_slp_instance): Handle reductions.
1202         (vect_analyze_slp): Try to build SLP instances originating from groups
1203         of reductions.
1204         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1205         (vect_get_constant_vectors): Create initial vectors for reductions
1206         according to reduction code. Add new argument.
1207         (vect_get_slp_defs): Add new argument, pass it to
1208         vect_get_constant_vectors.
1209         (vect_schedule_slp_instance): Remove SLP tree root statements.
1210
1211 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1212
1213         * tree.h (ENUM_IS_SCOPED): Define.
1214         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1215         for ENUM_IS_SCOPED enums.
1216
1217 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1218
1219         * fold-const.c (fold_comparison): Use ssizetype.
1220         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1221         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1222         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1223         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1224
1225         * tree.h (initialize_sizetypes): Remove parameter.
1226         (build_common_tree_nodes): Remove second parameter.
1227         * stor-layout.c (initialize_sizetypes): Remove parameter.
1228         Always create an unsigned type.
1229         (set_sizetype): Assert that the passed type is unsigned and simplify.
1230         * tree.c (build_common_tree_nodes): Remove second parameter.
1231         Adjust call to initialize_sizetypes.
1232         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1233         build_common_tree_nodes.
1234
1235 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1236
1237         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1238
1239 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1240
1241         PR tree-optimization/43771
1242         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1243         load permutation doesn't have gaps.
1244
1245 2010-04-18  Jan Hubicka  <jh@suse.cz>
1246
1247         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1248         (sse_prologue_save_insn expander): Use new pattern.
1249         (sse_prologue_save_insn1): New pattern and splitter.
1250         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1251         blocks.
1252         * i386.c (setup_incoming_varargs_64): Do not compute jump
1253         destination here.
1254         (ix86_gimplify_va_arg): Update alignment needed.
1255         (ix86_local_alignment): Do not align all local arrays to 128bit.
1256
1257 2010-04-17  Jan Hubicka  <jh@suse.cz>
1258
1259         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1260
1261 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1262
1263         * arm.md (negdi2): Remove redundant code to force values into a
1264         register.
1265
1266 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1267
1268         * arm/bpabi.S: Add EABI alignment attributes to objects.
1269         * arm/bpabi-v6m.S: Likewise.
1270         * arm/crti.asm: Likewise.
1271         * arm/crtn.asm: Likewise.
1272         * arm/lib1funcs.asm: Likewise.
1273         * arm/libunwind.S: Likewise.
1274
1275 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1276
1277         * arm-protos.h (tune_params): New structure.
1278         * arm.c (current_tune): New variable.
1279         (arm_constant_limit): Delete.
1280         (struct processors): Add pointer to the tune parameters.
1281         (arm_slowmul_tune): New tuning option.
1282         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1283         (all_cores): Adjust to pick up the tuning model.
1284         (arm_constant_limit): New function.
1285         (arm_override_options): Select the appropriate tuning model.  Delete
1286         initialization of arm_const_limit.
1287         (arm_split_constant): Use the new constant-limit model.
1288         (arm_rtx_costs): Pick up the current tuning model.
1289         * arm.md (is_strongarm, is_xscale): Delete.
1290         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1291         for Xscale variant architectures.
1292         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1293
1294 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1295
1296         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1297         can_shift.
1298         (arm_rtx_costs_1): Remove unused variable extra_cost.
1299         (arm_unwind_emit_set): Use variable offset.
1300         (thumb1_output_casesi): Remove unused variable flags.
1301
1302 2010-04-16  Jeff Law  <law@redhat.com>
1303
1304         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1305         needing assignment rather than doing a two-phase assignment.  Remove
1306         unused variable 'm'.
1307
1308 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1309
1310         PR bootstrap/43767
1311         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1312
1313 2010-04-16  Doug Kwan  <dougkwan@google.com>
1314
1315         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1316         (next_operand_entry_id): New static variable.
1317         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1318         (add_to_ops_vec): Assigned unique ID to operand entry.
1319         (struct oecount_s): New field ID.
1320         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1321         (undistribute_ops_list): Assign unique IDs to oecounts.
1322         (init_reassoc): reset next_operand_entry_id.
1323
1324 2010-04-16  Doug Kwan  <dougkwan@google.com>
1325
1326         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1327         missing left parenthesis.
1328
1329 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1330
1331         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1332         *btdi_rex64 using SWI48 mode iterator.
1333         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1334         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1335         *jcc_btdi_mask_rex64.
1336
1337 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1338
1339         * double-int.h (tree_to_double_int): Convert to macro.
1340         * double-int.c (tree_to_double_int): Remove.
1341
1342 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1343
1344         PR debug/43762
1345         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1346         with want_address 2 and in case a single element list might be
1347         possible, call it again with want_address 0.
1348
1349 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1350
1351         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1352         case 'W' print operands for HI mode.
1353         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1354         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1355         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1356         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1357
1358         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1359
1360         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1361         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1362         #xx:3 and #xx:4 mode.
1363
1364         * config/h8300/h8300.md (inverted load with HImode dest): Add
1365         support for H8300SX.
1366
1367         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1368         satisfy 'U' constraint.
1369
1370 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1371
1372         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1373         * configure: Regenerate.
1374         * config.in: Regenerate.
1375         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1376         works.
1377
1378 2010-04-16  Richard Guenther  <rguenther@suse.de>
1379
1380         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1381         (struct tree_decl_common): ... here.
1382         (DECL_PT_UID): Adjust.
1383         (SET_DECL_PT_UID): Likewise.
1384         (DECL_PT_UID_SET_P): Likewise.
1385
1386 2010-04-16  Richard Guenther  <rguenther@suse.de>
1387
1388         PR tree-optimization/43572
1389         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1390         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1391         * tree-flow.h (is_call_clobbered): Remove.
1392         * tree-flow-inline.h (is_call_clobbered): Likewise.
1393         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1394         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1395         (execute_return_slot_opt): Adjust.
1396         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1397         check for call clobbered vars here.
1398         (find_tail_calls): Move tailcall verification to the
1399         proper place.
1400
1401 2010-04-16  Diego Novillo  <dnovillo@google.com>
1402
1403         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1404
1405 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1406
1407         PR target/40603
1408         * config/arm/arm.md (cbranchqi4): New pattern.
1409         * config/arm/predicates.md (const0_operand,
1410         cbranchqi4_comparison_operator): New predicates.
1411
1412 2010-04-16  Richard Guenther  <rguenther@suse.de>
1413
1414         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1415         (dump_gimple_stmt): Likewise.
1416
1417 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1418
1419         * recog.h (struct recog_data): New field is_operator.
1420         (struct insn_operand_data): New field is_operator.
1421         * recog.c (extract_insn): Set recog_data.is_operator.
1422         * genoutput.c (output_operand_data): Emit code to set the
1423         is_operator field.
1424         * reload.c (find_reloads): Use it rather than testing for an
1425         empty constraint string.
1426
1427         PR target/41514
1428         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1429         If the previous insn is a cbranchsi4_insn with the same arguments,
1430         omit the compare instruction.
1431
1432         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1433         register, inputs must be low registers and we need a low register
1434         scratch.  Handle alternative 2 like alternative 3.
1435
1436 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1437
1438         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1439         don't call get_addr on both.  If one expression is a VALUE and
1440         the other a REG, check VALUE's locs if the REG isn't among them.
1441
1442 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1443
1444         * config/sh/sh.h (sh_frame_pointer_required): New function.
1445         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1446         (flag_omit_frame_pointer) Set.
1447         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1448         (rounded_frame_size): Adjust size with outgoing_args_size.
1449         (sh_set_return_address): Must return from stack pointer.
1450         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1451         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1452         (ACCUMULATE_OUTGOING_ARGS): Define.
1453         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1454         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1455
1456 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1457
1458         PR target/43471
1459         * config/sh/sh.c (sh_legitimize_reload_address): Use
1460         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1461         Remove a unneeded check for offset_base.
1462
1463 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1464
1465         * configure: Regenerated.
1466
1467 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1468
1469         * config/s390/s390.c (s390_call_save_register_used): Switch back
1470         to HARD_REGNO_NREGS.
1471
1472 2010-04-15  Richard Guenther  <rguenther@suse.de>
1473
1474         * alias.c (alias_set_subset_of): Handle alias-set zero
1475         child properly.
1476
1477 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1478             Julian Brown  <julian@codesourcery.com>
1479
1480         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1481         alternatives according to use of high and low regs.
1482         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1483         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1484         optimizing for size on Thumb-2.
1485
1486 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1487
1488         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1489
1490 2010-04-15  Richard Guenther  <rguenther@suse.de>
1491
1492         * tree-ssa-structalias.c (struct variable_info): Add
1493         is_fn_info flag.
1494         (new_var_info): Initialize it.
1495         (dump_constraints): Support printing last added constraints.
1496         (debug_constraints): Adjust.
1497         (dump_constraint_graph): Likewise.
1498         (make_heapvar_for): Check for NULL cfun.
1499         (get_function_part_constraint): New function.
1500         (get_fi_for_callee): Likewise.
1501         (find_func_aliases): Properly implement IPA PTA constraints.
1502         (process_ipa_clobber): New function.
1503         (find_func_clobbers): Likewise.
1504         (insert_into_field_list_sorted): Remove.
1505         (create_function_info_for): Properly allocate vars for IPA mode.
1506         Do not use insert_into_field_list_sorted.
1507         (create_variable_info_for): Properly generate constraints for
1508         global vars in IPA mode.
1509         (dump_solution_for_var): Always dump the solution.
1510         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1511         (find_what_var_points_to): Adjust.
1512         (pt_solution_set): Change.
1513         (pt_solution_ior_into): New function.
1514         (pt_solution_empty_p): Export.
1515         (pt_solution_includes_global): Adjust.
1516         (pt_solution_includes_1): Likewise.
1517         (pt_solutions_intersect_1): Likewise.
1518         (dump_sa_points_to_info): Check some invariants.
1519         (solve_constraints): Move constraint dumping ...
1520         (compute_points_to_sets): ... here.
1521         (ipa_pta_execute): ... and here.
1522         (compute_may_aliases): Do not re-compute points-to info
1523         locally if IPA info is available.
1524         (ipa_escaped_pt): New global var.
1525         (ipa_pta_execute): Properly implement IPA PTA.
1526         * tree-into-ssa.c (dump_decl_set): Support dumping
1527         decls not in referenced-vars.
1528         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1529         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1530         (dump_points_to_solution): Likewise.
1531         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1532         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1533         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1534         (copy_decl_to_var): Copy DECL_PT_UID.
1535         (copy_result_decl_to_var): Likewise.
1536         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1537         (copy_node_stat): Copy it.
1538         * tree.h (DECL_PT_UID): New macro.
1539         (SET_DECL_PT_UID): Likewise.
1540         (DECL_PT_UID_SET_P): Likewise.
1541         (struct tree_decl_minimal): Add pt_uid member.
1542         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1543         (pt_solution_empty_p): Declare.
1544         (pt_solution_set): Adjust.
1545         (ipa_escaped_pt): Declare.
1546         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1547         * gimple-pretty-print.c (pp_points_to_solution): New function.
1548         (dump_gimple_call): Dump call clobber/use information.
1549         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1550         * tree-pass.h (TDF_ALIAS): New dump option.
1551         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1552         * doc/invoke.texi (-fipa-pta): Update documentation.
1553
1554 2010-04-15  Richard Guenther  <rguenther@suse.de>
1555
1556         * Makefile.in (OBJS-common): Add gimple-fold.o.
1557         (gimple-fold.o): New rule.
1558         * tree.h (maybe_fold_offset_to_reference,
1559         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1560         prototypes ...
1561         * gimple.h: ... here.
1562         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1563         may_propagate_address_into_dereference): Move prototypes ...
1564         * gimple.h: ... here.
1565         * tree-ssa-ccp.c (get_symbol_constant_value,
1566         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1567         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1568         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1569         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1570         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1571         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1572         gimplify_and_update_call_from_tree): Move ...
1573         * gimple-fold.c: ... here.  New file.
1574         (ccp_fold_builtin): Rename to ...
1575         (gimple_fold_builtin): ... this.
1576         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1577
1578 2010-04-15  Richard Guenther  <rguenther@suse.de>
1579
1580         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1581         fit_double_type, force_fit_type_double, add_double_with_sign,
1582         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1583         lrotate_double, rrotate_double, div_and_round_double): Move ...
1584         * double-int.c: ... here.
1585         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1586         add_double, neg_double, mul_double_with_sign, mul_double,
1587         lshift_double, rshift_double, lrotate_double, rrotate_double,
1588         div_and_round_double): Move prototypes ...
1589         * double-int.h: ... here.
1590
1591 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1592
1593         PR target/43742
1594         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1595         matching constraints to ensure inputs match the output.
1596
1597 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1598
1599         PR target/43742
1600         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1601         in an input-only operand.
1602
1603 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1604
1605         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1606         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1607         (double_int_negative_p): Convert to static inline function.
1608         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1609         (double_int_negative_p): Remove.
1610         * tree.h (lshift_double, rshift_double):
1611         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1612         * fold-const.c (fold_convert_const_int_from_real,
1613         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1614         (lshift_double): Change type of arith argument to bool.
1615         (rshift_double): Change type of arith argument to bool. Correct
1616         comment.
1617         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1618
1619 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1620
1621         PR target/21803
1622         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1623         at the start and end of the then/else blocks, and omit them from the
1624         conversion.
1625         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1626         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1627         (flow_find_head_matching_sequence): New function.
1628         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1629         * basic-block.h (flow_find_cross_jump,
1630         flow_find_head_matching_sequence): Declare functions.
1631
1632 2010-04-14  Jason Merrill  <jason@redhat.com>
1633
1634         PR c++/36625
1635         * c-common.c (attribute_takes_identifier_p): New fn.
1636         * c-common.h: Declare it.
1637
1638 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1639
1640         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1641         splitter condition.
1642         (*udivmod<mode>4): Ditto.
1643
1644 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1645
1646         * config/i386/i386.md (maxmin_int): Rename code attribute from
1647         maxminiprefix and update all users.
1648         (maxmin_float): Ditto from maxminfprefix.
1649         (logic): Ditto from logicprefix.
1650         (absneg_mnemonic): Ditto from absnegprefix.
1651         * config/i386/mmx.md: Update all users of maxminiprefix,
1652         maxminfprefix and logicprefix for rename.
1653         * config/i386/sse.md: Ditto.
1654         * config/i386/sync.md (sync_<code><mode>): Update for
1655         logicprefix rename.
1656
1657 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1658
1659         PR 42966
1660         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1661         warnings converted to errors.
1662
1663 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1664
1665         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1666         used insn_type variable.
1667         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1668         to avoid set-but-not-used warning.
1669
1670 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1671
1672         * df-core.c (df_ref_debug): Change format string placeholder
1673         from 0x%x to %#x.
1674         * dwarf2asm.c (dw2_asm_output_data_raw,
1675         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1676         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1677         * dwarf2out.c (output_cfi, output_cfi_directive,
1678         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1679         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1680         Ditto.
1681         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1682         * print-rtl.c (print_rtx): Ditto.
1683
1684 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1685
1686         PR middle-end/42694
1687         * builtins.c (expand_builtin_pow_root): New function to expand pow
1688         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1689         series of sqrt and cbrt calls under -ffast-math.
1690         (expand_builtin_pow): Call it.
1691
1692 2010-04-14  Michael Matz  <matz@suse.de>
1693
1694         PR tree-optimization/42963
1695         * tree-cfg.c (touched_switch_bbs): New static variable.
1696         (group_case_labels_stmt): New function broken out from ...
1697         (group_case_labels): ... here, use the above.
1698         (start_recording_case_labels): Allocate touched_switch_bbs.
1699         (end_recording_case_labels): Deallocate it, call
1700         group_case_labels_stmt.
1701         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1702
1703 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1704
1705         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1706         from insn template.
1707
1708 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1709
1710         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1711
1712 2010-04-13  Jan Hubicka  <jh@suse.cz>
1713
1714         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1715         of optimized out static functions.
1716         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1717         cost computation.  Also sanity check for overflows.
1718         (update_caller_keys): Update cgraph_edge_badness call; properly
1719         update fibheap and sanity check that it is up to date.
1720         (add_new_edges_to_heap): Update cgraph_edge_badness.
1721         (cgraph_decide_inlining_of_small_function): Likewise;
1722         add sanity checking that badness in heap is up to date;
1723         improve dumping of reason; Update badness of calls to the
1724         offline copy of function currently inlined; dump badness
1725         of functions not inlined because of unit growth limits.
1726
1727 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1728
1729         PR middle-end/32628
1730         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1731         because of sign-extension change when converting to sizetype here...
1732         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1733
1734         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1735         the folding to constants.  Remove redundant final conversion.
1736         (fold_binary) <associate>: Do not associate if the re-association of
1737         constants alone overflows.
1738         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1739         to the end of the list.
1740         (multiple_of_p) <COND_EXPR>: New case.
1741
1742 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1743
1744         * opt-functions.awk (opt_sanitized_name): New.
1745         (opt_enum): New.
1746         * optc-gen.awk: Use it
1747         * opth-gen.awk: Use it.
1748
1749 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1750
1751         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1752         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1753         children.  Call replace_uses_with_default_def_ssa_name to handle
1754         SSA_NAES on lhs.
1755
1756 2010-04-13  Michael Matz  <matz@suse.de>
1757
1758         PR middle-end/43730
1759         * builtins.c (expand_builtin_interclass_mathfn): Also create
1760         a register if the predicate doesn't match.
1761
1762 2010-04-13  Diego Novillo  <dnovillo@google.com>
1763
1764         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1765         * c-pch.c: Include timevar.h.
1766         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1767         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1768         * ggc-common.c: Include timevar.h.
1769         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1770         * timevar.def (TV_PCH_SAVE): Define.
1771         (TV_PCH_CPP_SAVE): Define.
1772         (TV_PCH_PTR_REALLOC): Define.
1773         (TV_PCH_PTR_SORT): Define.
1774         (TV_PCH_RESTORE): Define.
1775         (TV_PCH_CPP_RESTORE): Define.
1776
1777 2010-04-13  Michael Matz  <matz@suse.de>
1778
1779         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1780         into MINUS_EXPRs.
1781         (can_reassociate_p): New function.
1782         (break_up_subtract_bb, reassociate_bb): Use it.
1783
1784 2010-04-13  Richard Guenther  <rguenther@suse.de>
1785
1786         PR bootstrap/43737
1787         * builtins.c (c_readstr): Fix assert.
1788
1789 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1790
1791         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1792         when generating cltd insn.
1793
1794         (*ashl<mode>3_1): Remove special handling for register operand 2.
1795         (*ashlsi3_1_zext): Ditto.
1796         (*ashlhi3_1): Ditto.
1797         (*ashlhi3_1_lea): Ditto.
1798         (*ashlqi3_1): Ditto.
1799         (*ashlqi3_1_lea): Ditto.
1800         (*<shiftrt_insn><mode>3_1): Ditto.
1801         (*<shiftrt_insn>si3_1_zext): Ditto.
1802         (*<shiftrt_insn>qi3_1_slp): Ditto.
1803         (*<rotate_insn><mode>3_1): Ditto.
1804         (*<rotate_insn>si3_1_zext): Ditto.
1805         (*<rotate_insn>qi3_1_slp): Ditto.
1806
1807 2010-04-13  Richard Guenther  <rguenther@suse.de>
1808
1809         * tree-ssa-structalias.c (callused_id): Remove.
1810         (call_stmt_vars): New.
1811         (get_call_vi): Likewise.
1812         (lookup_call_use_vi): Likewise.
1813         (lookup_call_clobber_vi): Likewise.
1814         (get_call_use_vi): Likewise.
1815         (get_call_clobber_vi): Likewise.
1816         (make_transitive_closure_constraints): Likewise.
1817         (handle_const_call): Adjust to do per-call call-used handling.
1818         (handle_pure_call): Likewise.
1819         (find_what_var_points_to): Remove general callused handling.
1820         (init_base_vars): Likewise.
1821         (init_alias_vars): Initialize call_stmt_vars.
1822         (compute_points_to_sets): Process call-used and call-clobbered
1823         vars for call statements.
1824         (delete_points_to_sets): Free call_stmt_vars.
1825
1826 2010-04-13  Richard Guenther  <rguenther@suse.de>
1827
1828         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1829         Only add RW dependence for dependence distance zero.
1830         Adjust maximal vectorization factor according to dependences.
1831         Move alignment handling ...
1832         (vect_find_same_alignment_drs): ... here.  New function.
1833         (vect_analyze_data_ref_dependences): Adjust.
1834         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1835         (vect_analyze_data_refs): Adjust minimal vectorization factor
1836         according to data references.
1837         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1838         dependences before determining the vectorization factor.
1839         Analyze alignment after determining the vectorization factor.
1840         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1841         dependences before alignment.
1842         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1843         Adjust prototype.
1844         (vect_analyze_data_refs): Likewise.
1845         (MAX_VECTORIZATION_FACTOR): New define.
1846
1847 2010-04-13  Duncan Sands  <baldrick@free.fr>
1848
1849         * except.h (lang_eh_type_covers): Remove.
1850         * except.c (lang_eh_type_covers): Likewise.
1851
1852 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1853             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1854
1855         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1856         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1857         UNITS_PER_LONG where it is ABI relevant.
1858         (s390_return_addr_rtx): Likewise.
1859         (s390_back_chain_rtx): Likewise.
1860         (s390_frame_area): Likewise.
1861         (s390_frame_info): Likewise.
1862         (s390_initial_elimination_offset): Likewise.
1863         (save_gprs): Likewise.
1864         (s390_emit_prologue): Likewise.
1865         (s390_emit_epilogue): Likewise.
1866         (s390_function_arg_advance): Likewise.
1867         (s390_function_arg): Likewise.
1868         (s390_va_start): Likewise.
1869         (s390_gimplify_va_arg): Likewise.
1870         (s390_function_profiler): Likewise.
1871         (s390_optimize_prologue): Likewise.
1872         (s390_rtx_costs): Likewise.
1873         (s390_secondary_reload): Likewise.
1874         (s390_promote_function_mode): Likewise.
1875         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1876         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1877         registers available.
1878         (s390_unwind_word_mode): New function.
1879         (s390_function_value): Split 64 bit values into register pair if
1880         used as return value.
1881         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1882         function call parameters.  Handle parallels.
1883         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1884         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1885         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1886         (s390_expand_setmem): Remove unused variable src_addr.
1887         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1888         deal with 64 bit registers.
1889         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1890         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1891         (UNITS_PER_LONG): New macro.
1892         * libjava/include/s390-signal.h: Define extended ucontext
1893         structure containing the upper halfs of the 64 bit registers.
1894
1895 2010-04-13  Simon Baldwin  <simonb@google.com>
1896
1897         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1898
1899 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1900
1901         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1902         rvalue on the RHS if the LHS is of a non-renamable type.
1903         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1904
1905 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1906
1907         * gcc.c (cc1_options): Handle -iplugindir before processing
1908         the cc1 spec. Only add -iplugindir once.
1909         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1910         found.
1911         * common.opt (iplugindir): Remove `Separate' property, initialize.
1912         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1913         option.
1914         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1915         (distclean): Remove plugin dir.
1916         * doc/invoke.texi: Document -iplugindir.
1917
1918 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1919
1920         * doc/plugins.texi (Loading Plugins): Document short
1921         -fplugin=foo option.
1922         (Plugin API): Mention default_plugin_dir_name function.
1923
1924         * gcc.c (find_file_spec_function): Add new declaration.
1925         (static_spec_func): Use it for "find-file".
1926         (find_file_spec_function): Add new function.
1927         (cc1_options): Add -iplugindir option if -fplugin* options found.
1928
1929         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1930
1931         * plugin.c (add_new_plugin): Updated comment, and handle short
1932         plugin name.
1933         (default_plugin_dir_name): Added new function.
1934
1935         * common.opt (iplugindir): New option to set the plugin directory.
1936
1937 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1938
1939         * config/i386/i386.md (any_rotate): New code iterator.
1940         (rotate_insn): New code attribute.
1941         (rotate): Ditto.
1942         (SWIM124): New mode iterator.
1943         (<rotate_insn>ti3): New expander.
1944         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1945         any_rotate code iterator.
1946         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1947         using any_rotate code iterator and SWIM124 mode iterator.
1948         (ix86_rotlti3): New insn_and_split pattern.
1949         (ix86_rotrti3): Ditto.
1950         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1951         ix86_rotl{di,ti}3 patterns.
1952         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1953         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1954         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1955         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1956         code iterator and SWI mode iterator.
1957         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1958         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1959         code iterator.
1960         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1961         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1962         (bswap rotatert splitter): Add splitter.
1963         (bswap splitter): Macroize splitter using any_rotate code iterator.
1964         Add insn predicate to split only for TARGET_USE_XCHGB or when
1965         optimizing function for size.
1966
1967 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1968
1969         * config/pa/pa.c (emit_move_sequence): Remove use of
1970         deleted variable flag_argument_noalias.
1971
1972 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1973
1974         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1975         configurations.
1976         Add to unsupported targets list.
1977         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1978         sparc*-sun-solaris2.[567]* from target lists.
1979         * configure: Regenerate.
1980         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1981         removal.
1982         Remove Solaris 7 patch references.
1983         (Specific, sparc-sun-solaris2.7): Removed.
1984         (sparc-sun-solaris2*): Update Solaris 7 example.
1985         (sparc64-*-solaris2*): Likewise.
1986
1987 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1988
1989         * config.build (alpha*-dec-osf4*): Remove.
1990         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1991         of obsolete configurations.
1992         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1993         support.
1994         * config/alpha/t-osf4: Renamed to ...
1995         * config/alpha/t-osf5: ... this.
1996         * config/alpha/osf.h: Renamed to ...
1997         * config/alpha/osf5.h: ... this.
1998         Merged old osf5.h contents.
1999         Update comments.
2000         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2001         (EXTRA_SPECS): Removed.
2002         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2003         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2004         Document that.
2005
2006 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2007
2008         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2009
2010 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2011
2012         PR/43702
2013         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2014         __thiscall convention.
2015
2016 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2017
2018         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2019         orig_base.
2020         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2021
2022 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2023
2024         * function.c (assign_parms_initialize_all): Add unused attribute
2025         to fntype.
2026
2027 2010-04-12  Richard Guenther  <rguenther@suse.de>
2028
2029         * gsstruct.def (GSS_CALL): New.
2030         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2031         * gimple.h: Include tree-ssa-alias.h.
2032         (struct gimple_statement_call): New.
2033         (union gimple_statement_struct_d): Add gimple_call member.
2034         (gimple_call_reset_alias_info): Declare.
2035         (gimple_call_use_set): New function.
2036         (gimple_call_clobber_set): Likewise.
2037         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2038         * gimple.c (gimple_call_reset_alias_info): New function.
2039         (gimple_build_call_1): Call it.
2040         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2041         * tree-inline.c (remap_gimple_stmt): Likewise.
2042         (expand_call_inline): Remove callused handling.
2043         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2044         * tree-dfa.c (dump_variable): Likewise.
2045         * tree-parloops.c (parallelize_loops): Likewise.
2046         * tree-ssa.c (init_tree_ssa): Likewise.
2047         (delete_tree_ssa): Likewise.
2048         * tree-flow-inline.h (is_call_used): Remove.
2049         * tree-flow.h (struct gimple_df): Remove callused member.
2050         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2051         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2052         (ref_maybe_used_by_call_p_1): Simplify.
2053         (call_may_clobber_ref_p_1): Likewise.
2054         * tree-ssa-structalias.c (compute_points_to_sets): Set
2055         the call stmt used and clobbered sets.
2056         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2057         (find_tail_calls): Verify the tail call.
2058
2059 2010-04-12  Richard Guenther  <rguenther@suse.de>
2060
2061         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2062         single-iteration always-inline inlining.
2063         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2064         (cgraph_decide_inlining): Do not handle always-inline specially.
2065         (try_inline): Remove always-inline cycle detection special case.
2066         Do not recurse on always-inlines.
2067         (cgraph_early_inlining): Do not iterate if not optimizing.
2068         (cgraph_gate_early_inlining): remove.
2069         (pass_early_inline): Run unconditionally.
2070         (gate_cgraph_decide_inlining): New function.
2071         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2072         not inlining or optimizing.
2073         (cgraph_decide_inlining_of_small_functions): Also consider
2074         always-inline functions.
2075         (cgraph_default_inline_p): Return true for nodes which should
2076         disregard inline limits.
2077         (estimate_function_body_sizes): Assume zero size and time for
2078         nodes which are marked as disregarding inline limits.
2079         (cgraph_decide_recursive_inlining): Do not perform recursive
2080         inlining on always-inline nodes.
2081
2082 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2083
2084         PR bootstrap/43699
2085         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2086         for exprs satisfying handled_component_p.
2087
2088 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2089
2090         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2091         non-constant aggregate elements.
2092
2093         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2094         is a real initialization.
2095
2096 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2097
2098         PR c/36774
2099         * c-decl.c (start_function): Move forward check for nested function.
2100
2101 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2102
2103         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2104         * config/sh/sh.c: Include reload.h.
2105         (sh_legitimize_reload_address): New.
2106         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2107         sh_legitimize_reload_address.
2108
2109 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2110
2111         * config/sh/sh.md (*movqi_pop): New insn pattern.
2112         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2113
2114 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2115
2116         * config/i386/i386.md (any_shiftrt): New code iterator.
2117         (shiftrt_insn): New code attribute.
2118         (shiftrt): Ditto.
2119         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2120         using any_shiftrt code iterator.
2121         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2122         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2123         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2124         pattern from corresponding peephole2 patterns.
2125         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2126         using any_shiftrt code iterator.
2127         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2128         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2129         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2130         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2131         *{ashr,lshr}<mode>3_cmp_zext.
2132         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2133
2134 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2135
2136         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2137         scratch register.
2138         (*lshr<mode>3_cconly): Ditto.
2139
2140 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2141
2142         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2143         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2144         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2145         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2146         DWI mode iterator.
2147         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2148         from corresponding peephole2 patterns.
2149         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2150         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2151         and *lshrdi3_1_rex64 using SWI mode iterator.
2152         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2153         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2154         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2155         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2156         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2157         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2158         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2159         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2160         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2161         SWI mode iterator.
2162
2163 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2164
2165         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2166         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2167         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2168         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2169         DWI mode iterator.
2170         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2171         from corresponding peephole2 patterns.
2172         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2173         (ashrsi3_cvt): Rename from ashrsi3_31.
2174         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2175         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2176         and x86_64_shift_adj_3 using SWI48 mode iterator.
2177         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2178         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2179         and *ashrdi3_1_rex64 using SWI mode iterator.
2180         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2181         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2182         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2183         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2184         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2185         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2186         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2187         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2188         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2189         SWI mode iterator.
2190         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2191         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2192         x86_shift<mode>_adj_3 expanders.
2193
2194 2010-04-10  Wei Guozhi  <carrot@google.com>
2195
2196         PR target/42601
2197         * config/arm/arm.c (arm_pic_static_addr): New function.
2198         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2199         a static symbol.
2200         (arm_output_addr_const_extra): Output expression for new pattern.
2201         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2202
2203 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2204
2205         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2206         not enabled.
2207
2208         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2209         * web.c: Include "insn-config.h" and "recog.h".
2210         (union_match_dups): New function.
2211         (web_main): Call it.
2212         (union_defs): Don't try to recognize match_dups.
2213
2214         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2215         if doing so would replace the entire pattern.
2216
2217 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2218
2219         PR target/43707
2220         PR target/43709
2221         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2222         and splitter pattern.  Change splitter operand 1 predicate to
2223         nonmemory_operand.
2224
2225 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2226
2227         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2228         lattices are addresses of CONST_DECLs with the same initial value.
2229         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2230         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2231
2232 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2233             Bernd Schmidt  <bernds@codesourcery.com>
2234
2235         * loop-invariant.c (replace_uses): New static function.
2236         (move_invariant_reg): Use it to ensure we can replace the uses.
2237
2238 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2239
2240         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2241         function template.
2242         (picochip_override_options): Enable section anchors only above -O1.
2243         (picochip_reorg): Fixed a couple of build warnings.
2244
2245 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2246
2247         * configure.ac (plugin -rdynamic test): Log result.
2248         * configure: Regenerate.
2249         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2250         (RDYNAMIC_SPEC): Define.
2251         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2252
2253 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2254
2255         * configure.ac: Determine Sun ld version numbers.
2256         (comdat_group): Restrict GNU ld version checks to gld.
2257         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2258         (enable_comdat): Support --enable-comdat.
2259         * configure: Regenerate.
2260         * doc/install.texi (Configuration): Document --enable-comdat.
2261
2262 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2263
2264         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2265         * config/sol2-gld.h: ... here.
2266         * config.gcc (sparc*-*-solaris2*): Reflect this.
2267         (i[34567]86-*-solaris2*): Use it.
2268
2269 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2270
2271         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2272         setup_clocks_p.
2273         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2274
2275 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2276
2277         PR 42965
2278         * diagnostic.c (diagnostic_initialize): Initialize
2279         some_warnings_are_errors.
2280         (diagnostic_finish): New.
2281         (diagnostic_action_after_output): Call it before exiting.
2282         (diagnostic_report_diagnostic): Do not print message here. Set
2283         some_warnings_are_errors.
2284         * diagnostic.h (diagnostic_context): Delete
2285         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2286         (diagnostic_finish): Declare.
2287         * toplev.c (toplev_main): Call it before exit.
2288
2289 2010-04-09  Jason Merrill  <jason@redhat.com>
2290
2291         PR c++/42623
2292         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2293         for incomplete type.
2294
2295         PR c++/41788
2296         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2297         based on a warning flag.
2298
2299 2010-04-09  Richard Guenther  <rguenther@suse.de>
2300
2301         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2302
2303 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2304
2305         PR bootstrap/43684
2306         * varasm.c (default_assemble_visibility): Wrap vars that are
2307         set, but unused, by targets without GAS.
2308         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2309         Remove set, but unused, vars.
2310         (rs6000_legitimize_tls_address): Likewise.
2311         (altivec_expand_dst_builtin): Likewise.
2312         * config/darwin.c (machopic_classify_symbol): Likewise.
2313         (machopic_indirection_name): Likewise.
2314
2315 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2316
2317         * config/i386/i386.md (DWI): New mode iterator.
2318         (S): New mode attribute.
2319         (shift_operand): Ditto.
2320         (shift_immediate_operand): Ditto.
2321         (ashl_input_operand): Ditto.
2322         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2323         using SDWIM mode iterator.
2324         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2325         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2326         DWI mode iterator.
2327         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2328         from corresponding peephole2 patterns.
2329         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2330         and x86_64_shift_adj_1 using SWI48 mode iterator.
2331         (x86_shift<mode>_adj_2): Ditto.
2332         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2333         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2334         using SWI48 mode iterator.
2335         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2336         *ashldi3_cmp_rex64 using SWI mode iterator.
2337         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2338         *ashldi3_cconly_rex64 using SWI mode iterator.
2339         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2340         x86_shift<mode>_adj_{1,2}.
2341         (ix86_split_ashr): Ditto.
2342         (ix86_split_lshr): Ditto.
2343
2344 2010-04-09  Richard Guenther  <rguenther@suse.de>
2345
2346         * target.h (builtin_conversion): Pass in input and output types.
2347         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2348         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2349         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2350         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2351
2352         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2353         Handle AVX modes.
2354         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2355
2356 2010-04-09  Richard Guenther  <rguenther@suse.de>
2357
2358         PR target/43152
2359         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2360
2361 2010-04-09  Richard Guenther  <rguenther@suse.de>
2362
2363         * tree-vectorizer.h (struct _stmt_vec_info): Document
2364         that vectype is the type of the LHS.
2365         (supportable_widening_operation, supportable_narrowing_operation):
2366         Get both input and output vector types as arguments.
2367         (vect_is_simple_use_1): Declare.
2368         (get_same_sized_vectype): Likewise.
2369         * tree-vect-loop.c (vect_determine_vectorization_factor):
2370         Set STMT_VINFO_VECTYPE to the vector type of the def.
2371         (vectorizable_reduction): Adjust.
2372         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2373         Adjust.  Specify the output vector type.
2374         (vect_pattern_recog_1): Adjust.
2375         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2376         (vectorizable_call): Adjust.
2377         (vectorizable_conversion): Likewise.
2378         (vectorizable_operation): Likewise.
2379         (vectorizable_type_demotion): Likewise.
2380         (vectorizable_type_promotion): Likewise.
2381         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2382         the def.
2383         (vect_is_simple_use_1): New function.
2384         (supportable_widening_operation): Get both input and output
2385         vector types.
2386         (supportable_narrowing_operation): Likewise.
2387         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2388
2389 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2390
2391         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2392         __thiscall and _thiscall as predefined macros.
2393         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2394         thiscall attribute handling.
2395         (ix86_comp_type_attributes): Likewise.
2396         (ix86_function_regparm): Likewise.
2397         (ix86_return_pops_args): Likewise.
2398         (init_cumulative_args): Likewise.
2399         (find_drap_reg): Likewise.
2400         (ix86_static_chain): Likewise.
2401         (x86_this_parameter): Likewise.
2402         (x86_output_mi_thunk): Likewise.
2403         (ix86_attribute_table): Add description for thiscall attribute.
2404         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2405         * doc/extend.texi: Add documentation for thiscall.
2406
2407 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2408
2409         PR c++/28584
2410         * c.opt (Wint-to-pointer-cast): Available in C++.
2411         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2412
2413 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2414
2415         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2416         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2417         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2418         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2419         function type instead.  Reorder and simplify checks.
2420
2421         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2422
2423 2010-04-08  Jing Yu  <jingyu@google.com>
2424             Zdenek Dvorak  <ook@ucw.cz>
2425
2426         PR tree-optimization/42720
2427         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2428         loop unswitch conditions here from ...
2429         (tree_unswitch_single_loop): ... here.
2430
2431 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         * tree-if-conv.c: Fix comments and simplify logic.
2434
2435 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2436
2437         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2438         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2439         (main_tree_if_conversion): Update call to tree_if_conversion.
2440
2441 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2442
2443         PR 42485
2444         * doc/invoke.texi (-b,-V): Delete.
2445         * doc/tm.texi: Do not mention -b.
2446         * gcc.c (display_help): Delete -b and -V.
2447         (process_command): Delete -b and -V.
2448         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2449
2450 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2451             Wolfgang Gellerich  <gellerich@de.ibm.com>
2452
2453         Implement target hook for loop unrolling
2454         * target.h (loop_unroll_adjust): Add a new target hook function.
2455         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2456         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2457         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2458         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2459         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2460         target hook.
2461         (decide_unroll_stupid): Likewise.
2462
2463 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2464
2465         PR target/43643
2466         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2467
2468 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2469
2470         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2471         (Specific, *-*-solaris2*): Likewise.
2472         Don't prefer Sun as over GNU as.
2473
2474 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2475
2476         * config/s390/s390.c (override_options): Adjust the z10
2477           defaults for max-unroll-times, max-completely-peeled-insns
2478           and max-completely-peel-times.
2479
2480 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2481
2482         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2483         instructions for z10.
2484         (s390_expand_setmem): Likewise.
2485         (s390_expand_cmpmem): Likewise.
2486
2487 2010-04-08  Richard Guenther  <rguenther@suse.de>
2488
2489         PR tree-optimization/43679
2490         * tree-ssa-pre.c (eliminate): Only propagate copies.
2491
2492 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2493
2494         PR bootstrap/43681
2495         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2496         set but not used variable warning.
2497
2498 2010-04-08  Wei Guozhi  <carrot@google.com>
2499
2500         PR target/41653
2501         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2502         (arm_size_rtx_costs): Call the new function when optimized for size.
2503
2504 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2505
2506         PR debug/43670
2507         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2508         op0 is not a MEM, just return NULL instead of assertion
2509         failure.
2510         (discover_nonconstant_array_refs): Don't walk debug stmts.
2511
2512 2010-04-08  Doug Kwan  <dougkwan@google.com>
2513
2514         * configure.ac: Recognize gold and do not use its version number
2515         to test ld features.
2516         * configure: Regenerate.
2517
2518 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2519
2520         PR middle-end/40815
2521         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2522         (negate_value): Move code to push elements to broken_up_substracts ...
2523         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2524         negative pair to plus_negates.
2525         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2526
2527 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2528
2529         * doc/install.texi (Configuration): Move description of
2530         --enable-lto, --with-libelf*, --enable-gold from Java section to
2531         general section.
2532
2533         * doc/generic.texi (Working with declarations)
2534         (Function Properties, C and C++ Trees): Fix typos.
2535         * doc/sourcebuild.texi (Top Level): Likewise.
2536
2537 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2538
2539         PR c/18624
2540         * tree.h (DECL_READ_P): Define.
2541         (struct tree_decl_common): Add decl_read_flag.
2542         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2543         a set but not used warning.
2544         (merge_decls): Merge DECL_READ_P flag.
2545         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2546         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2547         * c-common.c (handle_used_attribute, handle_unused_attribute):
2548         Likewise.
2549         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2550         New prototypes.
2551         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2552         New functions.
2553         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2554         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2555         c_parser_binary_expression, c_parser_cast_expression,
2556         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2557         Call default_function_array_read_conversion instead of
2558         default_function_array_conversion where needed.
2559         (c_parser_unary_expression, c_parser_conditional_expression,
2560         c_parser_postfix_expression_after_primary, c_parser_initelt):
2561         Likewise.  Call mark_exp_read where needed.
2562         (c_parser_statement_after_labels, c_parser_asm_operands,
2563         c_parser_typeof_specifier, c_parser_sizeof_expression,
2564         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2565         where needed.
2566         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2567         New.
2568         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2569         (warn_unused_but_set_parameter): Default to warn_unused
2570         && extra_warnings.
2571         * doc/invoke.texi: Document -Wunused-but-set-variable and
2572         -Wunused-but-set-parameter.
2573
2574         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2575         used count variable.
2576         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2577         when operandN variables aren't used in the body of the expander
2578         or splitter.
2579         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2580         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2581         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2582         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2583         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2584         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2585         * tree.c (PROCESS_ARG): Likewise.
2586
2587 2010-04-07  Simon Baldwin  <simonb@google.com>
2588
2589         * diagnostic.h (diagnostic_override_option_index): New macro to
2590         set a diagnostic's option_index.
2591         * c-tree.h (c_cpp_error): Add warning reason argument.
2592         * opts.c (_warning_as_error_callback): New.
2593         (register_warning_as_error_callback): Store callback for
2594         warnings enabled via enable_warning_as_error.
2595         (enable_warning_as_error): Call callback, minor code tidy.
2596         * opts.h (register_warning_as_error_callback): Declare.
2597         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2598         response to -Werror=.
2599         (c_common_init_options): Register warning_as_error_callback in opts.c.
2600         * common.opt: Add -Wno-cpp option.
2601         * c-common.c (struct reason_option_codes_t): Map cpp warning
2602         reason codes to gcc option indexes.
2603         * (c_option_controlling_cpp_error): New function, lookup the gcc
2604         option index for a cpp warning reason code.
2605         * (c_cpp_error): Add warning reason argument, call
2606         c_option_controlling_cpp_error for diagnostic_override_option_index.
2607         * doc/invoke.texi: Document -Wno-cpp.
2608
2609 2010-04-07  Richard Guenther  <rguenther@suse.de>
2610
2611         * ipa-reference.c (mark_load): Use get_base_address.
2612         (mark_store): Likewise.
2613
2614         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2615         inserting GIMPLE_NOPs into the IL.
2616         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2617         Explicitly strip handled components and indirect references.
2618
2619         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2620         folding address expressions.
2621         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2622         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2623         operand_equal_p to compare decls.
2624         (ptr_deref_may_alias_decl_p): Likewise.
2625         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2626         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2627         Handle reversed comparison ops.
2628         * tree-sra.c (asm_visit_addr): Use get_base_address.
2629         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2630         * ipa-reference.c (mark_address): Use get_base_address.
2631
2632 2010-04-07  Richard Guenther  <rguenther@suse.de>
2633
2634         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2635         Propagate constants everywhere.
2636
2637 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2638
2639         PR debug/43516
2640         * tree.c (MAX_INT_CACHED_PREC): Define.
2641         (nonstandard_integer_type_cache): New array.
2642         (build_nonstandard_integer_type): Cache results for precision
2643         <= MAX_INT_CACHED_PREC.
2644
2645 2010-04-07  Richard Guenther  <rguenther@suse.de>
2646
2647         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2648         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2649         * common.opt: Likewise.
2650         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2651         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2652         (nonoverlapping_memrefs_p): Likewise.
2653         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2654         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2655         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2656         OPT_fargument_noalias_global for backward compatibility.
2657
2658 2010-04-07  Richard Guenther  <rguenther@suse.de>
2659
2660         PR tree-optimization/43270
2661         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2662         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2663         * tree-ssa-pre.c (phi_translate_1): Adjust.
2664         (fully_constant_expression): Split out vn_reference handling to ...
2665         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2666         Fold reads from constant strings.
2667         (vn_reference_lookup): Handle fully constant references.
2668         (vn_reference_lookup_pieces): Likewise.
2669         * Makefile.in (expmed.o-warn): Add -Wno-error.
2670
2671 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2672
2673         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2674
2675 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2676
2677         PR driver/41594
2678         * gcc.c: Add -static-libstdc++ to list of recognized options.
2679
2680 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2681
2682         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2683
2684 2010-04-07  Richard Guenther  <rguenther@suse.de>
2685
2686         PR middle-end/42617
2687         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2688         bases build simple mem attributes to retain points-to information.
2689
2690 2010-04-07  Richard Guenther  <rguenther@suse.de>
2691
2692         PR middle-end/42617
2693         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2694         preserve points-to related information.
2695
2696 2010-04-07  Richard Guenther  <rguenther@suse.de>
2697
2698         PR middle-end/42617
2699         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2700         discard plain indirect references.
2701         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2702         * tree.c (tree_nop_conversion): Likewise.
2703
2704 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2705
2706         PR debug/43628
2707         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2708
2709 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2710
2711         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2712         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2713
2714 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2715
2716         * tree-if-conv.c: Fix indentation and comments.
2717
2718 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2719
2720         * tree-if-conv.c: Sort static functions in topological order.
2721
2722 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2723
2724         * tree-if-conv.c: Fix indentation and comments.
2725
2726 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2727
2728         PR middle-end/43519
2729         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2730         lang_hooks.types.type_for_size instead of
2731         build_nonstandard_integer_type.
2732         When converting an unsigned type to signed, double its precision.
2733         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2734         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2735         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2736         use lb <= ub.
2737
2738 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2739
2740         PR middle-end/43519
2741         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2742         POINTER_PLUS_EXPR for pointer types.
2743
2744 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2745
2746         PR middle-end/43519
2747         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2748         * graphite-clast-to-gimple.c: Include langhooks.h.
2749         (max_signed_precision_type): New.
2750         (max_precision_type): Takes two types as arguments.
2751         (precision_for_value): New.
2752         (precision_for_interval): New.
2753         (gcc_type_for_interval): New.
2754         (gcc_type_for_value): New.
2755         (gcc_type_for_clast_term): New.
2756         (gcc_type_for_clast_red): New.
2757         (gcc_type_for_clast_bin): New.
2758         (gcc_type_for_clast_expr): Split up into several functions.
2759         (gcc_type_for_clast_eq): Rewritten.
2760         (compute_bounds_for_level): New.
2761         (compute_type_for_level_1): New.
2762         (compute_type_for_level): New.
2763         (gcc_type_for_cloog_iv): Removed.
2764         (gcc_type_for_iv_of_clast_loop): Rewritten.
2765         (graphite_create_new_loop): Compute the lower and upper bound types
2766         with gcc_type_for_clast_expr.
2767         (graphite_create_new_loop_guard): Same.
2768         (find_cloog_iv_in_expr): Removed.
2769         (compute_cloog_iv_types_1): Removed.
2770         (compute_cloog_iv_types): Removed.
2771         (gloog): Do not call compute_cloog_iv_types.
2772         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2773         GBB_CLOOG_IV_TYPES.
2774         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2775         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2776         (GBB_CLOOG_IV_TYPES): Removed.
2777
2778 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2779
2780         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2781         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2782         (detect_commutative_reduction): Same.
2783
2784 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2785
2786         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2787         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2788         argument.
2789         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2790         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2791         (rewrite_commutative_reductions_out_of_ssa): Same.
2792         * passes.c (execute_function_todo): Call verify_ssa for every pass
2793         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2794         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2795         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2796         with an extra argument.
2797         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2798         verify_ssa only when the extra argument is true.
2799         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2800         with an extra argument.
2801         (tree_transform_and_unroll_loop): Same.
2802
2803 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2804
2805         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2806         for all the passes of the LNO having LOOP_CLOSED_SSA.
2807         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2808         * tree-loop-distribution.c (pass_loop_distribution): Same.
2809         * tree-pass.h (TODO_verify_loops): Removed.
2810         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2811         (pass_lim): Same.
2812         (pass_tree_unswitch): Same.
2813         (pass_predcom): Same.
2814         (pass_vectorize): Same.
2815         (pass_linear_transform): Same.
2816         (pass_graphite_transforms): Same.
2817         (pass_iv_canon): Same.
2818         (pass_complete_unroll): Same.
2819         (pass_complete_unrolli): Same.
2820         (pass_parallelize_loops): Same.
2821         (pass_loop_prefetch): Same.
2822         (pass_iv_optimize): Same.
2823
2824 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2825
2826         PR middle-end/32824
2827         * passes.c (init_optimization_passes): Move pass_lim before
2828         pass_copy_prop and pass_dce_loop.
2829
2830 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2831
2832         PR target/43667
2833         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2834         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2835         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2836         MULTI_* defines for 4 argument vpermil2p* builtins.
2837
2838 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2839
2840         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2841         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2842         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2843         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2844         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2845         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2846         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2847         Use x86_maybe_negate_const_int to output insn mnemonic.
2848         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2849         check from instruction predicate.  Update comments.
2850         * config/i386/sync.md (sync_add<mode>): Use
2851         x86_maybe_negate_const_int to output insn mnemonic.
2852
2853 2010-04-06  Jan Hubicka  <jh@suse.cz>
2854
2855         PR tree-optimization/42906
2856         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2857         IGNORE_SELF argument.  Set visited_control_parents for fully
2858         processed BBs.
2859         (find_obviously_necessary_stmts): Update call of
2860         mark_control_dependent_edges_necessary.
2861         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2862
2863 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2864
2865         * config/i386/i386.md: Remove comment about 'e' and 'E'
2866         operand modifier.
2867
2868 2010-04-06  Richard Guenther  <rguenther@suse.de>
2869
2870         PR tree-optimization/43627
2871         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2872         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2873         not varying.
2874
2875 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2876
2877         * BASE-VER: Change to 4.6.0.
2878
2879         PR target/43638
2880         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2881         handling.
2882
2883 2010-04-06  Richard Guenther  <rguenther@suse.de>
2884
2885         PR middle-end/43661
2886         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2887
2888 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2889
2890         * doc/invoke.texi (Optimize Options): Document that LTO
2891         won't remove object access purely due to incompatible
2892         declarations.
2893
2894 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2895
2896         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2897         Initialize variable.
2898
2899 2010-04-03  Richard Guenther  <rguenther@suse.de>
2900
2901         PR middle-end/42509
2902         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2903         require a non-NULL MEM_OFFSET.
2904
2905 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2906
2907         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2908         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2909         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2910         config/alpha/predicates.md, config/arm/arm.md,
2911         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2912         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2913         config/darwin9.h, config/darwin.c, config/darwin.h,
2914         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2915         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2916         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2917         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2918         config/mips/mips.md, config/mn10300/mn10300.c,
2919         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2920         config/rs6000/aix.h, config/rs6000/dfp.md,
2921         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2922         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2923         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2924         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2925         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2926         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2927         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2928         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2929         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2930         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2931         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2932         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2933         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2934         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2935         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2936         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2937         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2938         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2939         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2940         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2941         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2942         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2943         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2944         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2945         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2946         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2947         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2948         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2949         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2950         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2951         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2952         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2953         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2954         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2955         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2956         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2957
2958 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2959
2960         PR other/43620
2961         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2962         * aclocal.m4: Regenerate.
2963
2964 2010-04-02  Richard Guenther  <rguenther@suse.de>
2965
2966         PR tree-optimization/43629
2967         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2968         if we have seen a constant value.
2969
2970 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2971
2972         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2973
2974 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2975
2976         PR target/43469
2977         * arm.c (legitimize_tls_address): Adjust call to
2978         gen_tls_load_dot_plus_four.
2979         (arm_note_pic_base): New function.
2980         (arm_cannot_copy_insn_p): Use it.
2981         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2982         constraint.
2983
2984 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2985
2986         PR bootstrap/43531
2987
2988         Revert:
2989         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2990
2991         * Makefile.in ($(out_object_file)): Depend on
2992         gt-$(basename $(notdir $(out_file))).h.
2993
2994 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2995
2996         * config.gcc (lm32-*-rtems*): Add t-lm32.
2997
2998 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2999
3000         * config.gcc: Add lm32-*-rtems*.
3001         * config/lm32/rtems.h: New file.
3002
3003 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3004
3005         PR target/42609
3006         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3007
3008 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3009
3010         * dwarf2out.c (output_compilation_unit_header): For
3011         -gdwarf-4 use version 4 instead of version 3.
3012         (output_line_info): For version 4 and above emit additional
3013         maximum ops per insn header field.
3014         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3015
3016         * dwarf2out.c (is_c_family, is_java): Remove.
3017         (lower_bound_default): New function.
3018         (add_bound_info, gen_descr_array_type_die): Use it.
3019
3020 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3021
3022         PR debug/43325
3023         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3024         re-declaration when it happens in a function.
3025
3026 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3027
3028         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3029         (cgraph_remove_function_insertion_hook): Same.
3030         (cgraph_call_function_insertion_hooks): Same.
3031
3032 2010-04-01  Richard Guenther  <rguenther@suse.de>
3033
3034         PR middle-end/43614
3035         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3036         and TREE_THIS_VOLATILE.
3037         (copy_ref_info): Likewise.
3038         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3039         * tree.c (build6_stat): Ignore side-effects of all but arg5
3040         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3041         TARGET_MEM_REF.
3042
3043 2010-04-01  Richard Guenther  <rguenther@suse.de>
3044
3045         PR tree-optimization/43607
3046         * ipa-type-escape.c (check_call): Do not access non-existing
3047         arguments.
3048
3049 2010-04-01  Richard Guenther  <rguenther@suse.de>
3050
3051         PR middle-end/43602
3052         Revert
3053         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3054                     Jack Howarth <howarth@bromo.med.uc.edu>
3055
3056         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3057         variables TLS.
3058
3059 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3060
3061         * doc/install.texi (Prerequisites): Document libelf usability on
3062         IRIX 5/6 and Solaris 2.
3063         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3064         Update GNU as, GNU ld requirements.
3065         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3066         Document Sun Studio compiler download.
3067         Update and simplify as, ld recommendations.
3068         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3069
3070 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3071
3072         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3073         with_tune_32 to pentium4.
3074
3075 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3076
3077         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3078
3079 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3080
3081         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3082         obsoletion, removal.
3083         Update IDO URL.
3084         Document GNU as requirement.
3085         Update configure requirements.
3086         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3087         Recomment IRIX 6.5.18+.
3088         Document IDF/IDL requirement.
3089         Document GNU as requirement.
3090         Document GNU ld bootstrap failure.
3091         Remove freeware.sgi.com reference.
3092
3093 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3094
3095         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3096         UNIX V4.0, V5.0 obsoletion, removal.
3097         Remove --with-gc=simple reference.
3098         Update VM requirements during bootstrap.
3099         Remove -oldas bootstrap description.
3100         Update binutils reference.
3101         Remove comparison failure note.
3102
3103 2010-03-31  Richard Guenther  <rguenther@suse.de>
3104             Zdenek Dvorak  <ook@ucw.cz>
3105             Sebastian Pop  <sebastian.pop@amd.com>
3106
3107         PR middle-end/43464
3108         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3109         with multiple arguments.
3110         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3111
3112 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3113
3114         * graphite-dependences.c (print_pddr): Call print_pdr with an
3115         extra argument.
3116         * graphite-poly.c (debug_pdr): Add an extra argument for the
3117         verbosity level.
3118         (print_pdr): Same.
3119         (print_pbb_domain): Same.
3120         (print_pbb): Same.
3121         (print_scop_context): Same.
3122         (print_scop): Same.
3123         (print_cloog): Same.
3124         (debug_pbb_domain): Same.
3125         (debug_pbb): Same.
3126         (print_pdrs): Same.
3127         (debug_pdrs): Same.
3128         (debug_scop_context): Same.
3129         (debug_scop): Same.
3130         (debug_cloog): Same.
3131         (print_scop_params): Same.
3132         (debug_scop_params): Same.
3133         (print_iteration_domain): Same.
3134         (print_iteration_domains): Same.
3135         (debug_iteration_domain): Same.
3136         (debug_iteration_domains): Same.
3137         (print_scattering_function): Same.
3138         (print_scattering_functions): Same.
3139         (debug_scattering_function): Same.
3140         (debug_scattering_functions): Same.
3141         * graphite-poly.h (debug_pdr): Update declaration.
3142         (print_pdr): Same.
3143         (print_pbb_domain): Same.
3144         (print_pbb): Same.
3145         (print_scop_context): Same.
3146         (print_scop): Same.
3147         (print_cloog): Same.
3148         (debug_pbb_domain): Same.
3149         (debug_pbb): Same.
3150         (print_pdrs): Same.
3151         (debug_pdrs): Same.
3152         (debug_scop_context): Same.
3153         (debug_scop): Same.
3154         (debug_cloog): Same.
3155         (print_scop_params): Same.
3156         (debug_scop_params): Same.
3157         (print_iteration_domain): Same.
3158         (print_iteration_domains): Same.
3159         (debug_iteration_domain): Same.
3160         (debug_iteration_domains): Same.
3161         (print_scattering_function): Same.
3162         (print_scattering_functions): Same.
3163         (debug_scattering_function): Same.
3164         (debug_scattering_functions): Same.
3165
3166 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3167
3168         * graphite-poly.c (print_scattering_function_1): New.
3169         (print_scattering_function): Call it.
3170         (print_scop_params): Remove spaces at the end of lines.
3171         (print_cloog): New.
3172         (debug_cloog): New.
3173         * graphite-poly.h (print_cloog): Declared.
3174         (debug_cloog): Declared.
3175
3176 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3177
3178         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3179         in loop->header.
3180         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3181         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3182         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3183         to switch between adding the IV bump in loop->latch or in loop->header.
3184
3185 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3186
3187         * graphite-poly.c (print_scattering_function): Pretty print following
3188         the scoplib format.
3189         (print_pdr): Same.
3190         (print_pbb_domain): Same.
3191         (dump_gbb_cases): Same.
3192         (dump_gbb_conditions): Same.
3193         (print_pdrs): Same.
3194         (print_pbb): Same.
3195         (print_scop_params): Same.
3196         (print_scop_context): Same.
3197         (print_scop): Same.
3198         (print_pbb_body): New.
3199         (lst_indent_to): New.
3200         (print_lst): Start new lines with a #.
3201         * graphite-poly.h (pbb_bb): New.
3202         (pbb_index): Use pbb_bb.
3203         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3204         disjuncts.
3205         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3206
3207 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3208
3209         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3210         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3211         and 0 instead of 1 for dw_val_class_flag.
3212         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3213         dw_val_class_range_list, dw_val_class_loc_list,
3214         dw_val_class_lineptr and dw_val_class_macptr, use
3215         DW_FORM_flag_present for dw_val_class_flag and
3216         DW_FORM_exprloc for dw_val_class_loc.
3217         (output_die): For -gdwarf-4 print dw_val_class_loc
3218         size as uleb128 instead of 1 or 2 bytes and don't print
3219         anything for dw_val_class_flag.
3220
3221         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3222         instead of cselib_lookup following by tweaking locs->setting_insn.
3223
3224         PR bootstrap/43596
3225         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3226         even before returning from label, setjmp call or volatile asm
3227         handling.
3228
3229 2010-03-31  Richard Guenther  <rguenther@suse.de>
3230
3231         PR middle-end/43600
3232         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3233         temporary data on stack.
3234
3235 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3236
3237         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3238         (PUSHSECTION_ASM_OP): Remove.
3239         (POPSECTION_ASM_OP): Remove.
3240         (PUSHSECTION_FORMAT): Remove.
3241         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3242         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3243         * config/sol2.c (solaris_output_init_fini): Use it.
3244
3245 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3246
3247         PR 43574
3248         * opt-functions.awk (var_type_struct): Use signed char type
3249         for simple variables.
3250
3251 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3252
3253         * config/sol2.c: Include output.h.
3254         (solaris_assemble_visibility): New function.
3255         * config/t-sol2 (sol2.o): Add output.h dependency.
3256         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3257         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3258         Redefine.
3259
3260 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3261
3262         PR target/43580
3263         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3264         V2SImode or XFmode on PRE_DEC.
3265
3266         PR debug/43557
3267         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3268         BLKmode.
3269
3270 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3271
3272         PR 43562
3273         * reload.h (caller_save_initialized_p): Declare.
3274         * toplev.c (backend_init_target): Don't call
3275         init_caller_save but set caller_save_initialized_p to false.
3276         * caller-save.c (caller_save_initialized_p): Define.
3277         (init_caller_save): Check caller_save_initialized_p.
3278         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3279
3280 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3281
3282         PR target/39048
3283         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3284         and soft-fp/t-softfp to tmake_file.
3285         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3286         (LIBGCC2_TF_CEXT): Define.
3287         (TF_SIZE): Define.
3288
3289 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3290
3291         PR debug/42977
3292         * cselib.c (n_useless_values): Document handling of debug locs.
3293         (n_useless_debug_values, n_debug_values): New variables.
3294         (new_elt_loc_list): Don't add to debug values, keep count.
3295         (promote_debug_loc): New.
3296         (cselib_reset_table): Zero new variables.
3297         (entry_and_rtx_equal_p): Promote debug locs.
3298         (discard_useless_locs): Increment n_useless_debug_values for
3299         debug values.
3300         (remove_useless_values): Adjust n_useless_values and n_debug_values
3301         with n_useless_debug_values.
3302         (add_mem_for_addr): Promote debug locs.
3303         (cselib_lookup_mem): Likewise.
3304         (cselib_lookup_addr): Renamed to...
3305         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3306         (cselib_log_lookup): ... this.  Turn into...
3307         (cselib_lookup_addr): ... new wrapper.
3308         (cselib_lookup_from_insn): New.
3309         (cselib_invalidate_regno): Increment n_useless_debug_values for
3310         debug values.
3311         (cselib_invalidate_mem): Likewise.
3312         (cselib_process_insn): Take n_deleted and n_debug_values into
3313         account to guard remove_useless_value call.
3314         (cselib_finish): Zero n_useless_debug_values.
3315         * cselib.h (cselib_lookup_from_insn): Declare.
3316         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3317         (sched_analyze_2): Likewise.
3318
3319 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3320
3321         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3322         functions.
3323         (adjust_mems): Replace narrowing SUBREG of expression containing
3324         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3325         with operations in the narrower mode.
3326
3327         PR debug/43593
3328         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3329         regs_invalidated_by_call instead all call_used_reg_set registers.
3330
3331 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3332
3333         PR middle-end/43430
3334         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3335         pointer comparisons with types_compatible_p.
3336         * tree-vect-stmts.c (vectorizable_call): Same.
3337         (vectorizable_condition): Same.
3338
3339 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3340
3341         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3342         stack check if the mask would be zero.
3343
3344 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3345             Jack Howarth <howarth@bromo.med.uc.edu>
3346
3347         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3348         variables TLS.
3349
3350 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3351
3352         PR other/25232
3353         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3354         and __unordtf2.
3355         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3356         Include ___unordxf2 and ___unordtf2.
3357         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3358         GCC_4.4.0 here.
3359
3360 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3361
3362         * config/lm32/t-lm32: New file.
3363         * config.gcc: Use the above file when targetting lm32.
3364
3365 2010-03-28  Duncan Sands  <baldrick@free.fr>
3366
3367         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3368
3369 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3370
3371         PR middle-end/43431
3372         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3373         Improve vectorization cost model diagnostic.
3374
3375 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3376
3377         PR middle-end/43436
3378         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3379         compute_data_dependences_for_loop returns false, early exit
3380         and output an extra diagnostic for the failed data reference
3381         analysis.
3382
3383 2010-03-29  Richard Guenther  <rguenther@suse.de>
3384
3385         PR tree-optimization/43560
3386         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3387         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3388
3389 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3390
3391         PR 43564
3392         * toplev.c (process_options): Set optimization_default_node
3393         and optimization_current_node.
3394         * opts.c (decode_options): Don't set optimization_default_node
3395         and optimization_current_node.
3396
3397 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3398
3399         * config/rtems.h: Abandon -qrtems_debug.
3400
3401 2010-03-28  Jan Hubicka  <jh@suse.cz>
3402
3403         PR tree-optimization/43505
3404         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3405         map should not be copied.
3406
3407 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3408
3409         PR middle-end/41674
3410         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3411         cdtors, set DECL_PRESERVE_P.
3412         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3413         should be preseved.
3414
3415 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3416
3417         PR tree-optimization/43528
3418         * stor-layout.c (place_field): Check that constant fits into
3419         unsigned HWI when skipping calculation of MS bitfield layout.
3420
3421 2010-03-27  Jan Hubicka  <jh@suse.cz>
3422
3423         PR middle-end/43391
3424         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3425         notice_global_symbol work.
3426
3427 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3428
3429         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3430         instead of dwarf2out_decl.
3431         (struct var_loc_node): Remove section_label field.
3432         (dwarf2out_function_decl): New function.
3433         (dwarf2out_var_location): Don't set section_label field.
3434         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3435
3436 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3437
3438         PR tree-optimization/43544
3439         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3440         First argument for builtin vectorized function hook is now a
3441         tree to be able to distinguish between machine specific and
3442         standard builtins.
3443         * targhooks.c (default_builtin_vectorized_function): Ditto.
3444         * targhooks.h (default_builtin_vectorized_function): Ditto.
3445         * target.h (struct gcc_target): Ditto.
3446         * tree-vect-stmts.c (vectorizable_function): Ditto.
3447         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3448         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3449         Ditto.
3450
3451 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3452
3453         PR c/43381
3454         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3455         nested binding iff it is a FUNCTION_DECL.
3456         (store_parm_decls_newstyle): Pass nested=true to bind for
3457         FUNCTION_DECLs amongst parameters.
3458
3459 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3460
3461         * var-tracking.c (vt_expand_loc_callback): Don't run
3462         cselib_expand_value_rtx_cb in dummy mode if
3463         cselib_dummy_expand_value_rtx_cb returned false.
3464
3465         * var-tracking.c (emit_note_insn_var_location): For one part
3466         notes with offset 0, don't add EXPR_LIST around the location.
3467         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3468         add_location_or_const_value_attribute): Adjust for that change.
3469
3470         PR debug/43540
3471         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3472         into first operand and location into second.
3473         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3474         dw_cfi_oprnd_loc for DW_CFA_expression.
3475         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3476         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3477         assume first argument is regnum and second argument is location.
3478
3479 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3480
3481         PR target/42113
3482         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3483         of scratch register to DImode.  Split to DImode comparison operator.
3484         Use SImode subreg of scratch register in the multiplication.
3485         (*cmp_sadd_sidi): Ditto.
3486         (*cmp_ssub_si): Ditto.
3487         (*cmp_ssub_sidi): Ditto.
3488
3489 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3490
3491         PR target/43524
3492         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3493         Remove invalid assert and wrong comment.
3494
3495 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3496
3497         PR debug/43516
3498         * flags.h (final_insns_dump_p): New extern.
3499         * final.c (final_insns_dump_p): New variable.
3500         (rest_of_clean_state): Set it before -fdump-final-insns=
3501         dumping, clear afterwards.
3502         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3503         MEM_ALIAS_SET on MEMs.
3504
3505 2010-03-26  David S. Miller  <davem@davemloft.net>
3506
3507         * configure.ac: Fix sparc GOTDATA_OP bug check.
3508         * configure: Rebuild.
3509
3510 2010-03-26  Alan Modra  <amodra@gmail.com>
3511
3512         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3513
3514 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3515
3516         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3517         TLS_SECTION_ASM_FLAG.
3518
3519 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3520
3521         PR bootstrap/43511
3522         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3523         Clear first_function_block_is_cold.
3524
3525         PR c/43385
3526         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3527         argument if the argument is truth_value_p.
3528
3529 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3530
3531         * config/rs6000/constraints.md: Update copyright year for my changes.
3532
3533         PR target/43484
3534         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3535         used in reg+reg addressing, swap registers.
3536
3537 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3538
3539         PR debug/43293
3540         * target.h (struct gcc_target): Add code_end hook.
3541         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3542         if not yet defined.
3543         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3544         * toplev.c (compile_file): Call targetm.asm_out.code_end
3545         hook before unwind info/debug info output.
3546         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3547         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3548         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3549         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3550         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3551         * config/i386/i386.c (ix86_file_end): Renamed to...
3552         (ix86_code_end): ... this.  Make static.  Don't call
3553         file_end_indicate_exec_stack.  Emit unwind info using
3554         final_start_function/final_end_function.
3555         (darwin_x86_file_end): Remove.
3556         (TARGET_ASM_CODE_END): Define.
3557         * config/i386/i386.h (TARGET_ASM_FILE_END,
3558         NEED_INDICATE_EXEC_STACK): Don't define.
3559         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3560         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3561         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3562         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3563
3564         PR target/43498
3565         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3566         at the beginning and final_end_function at the end.
3567         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3568
3569 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3570
3571         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3572         and Sun as TLS syntax.
3573         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3574         * configure: Regenerate.
3575         * config.in: Regenerate.
3576         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3577         (default_elf_asm_named_section): Use it.
3578         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3579         (i386_output_dwarf_dtprel): Likewise.
3580         (output_addr_const_extra): Likewise.
3581         (output_pic_addr_const): Lowercase @GOTTPOFF.
3582         (output_addr_const_extra): Likewise.
3583         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3584         (output_addr_const_extra): Likewise.
3585         (output_pic_addr_const): Lowercase @INDNTPOFF.
3586         (output_addr_const_extra): Likewise.
3587         (output_pic_addr_const): Lowercase @NTPOFF.
3588         (output_addr_const_extra): Likewise.
3589         (output_pic_addr_const): Lowercase @TPOFF.
3590         (output_addr_const_extra): Likewise.
3591         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3592         (*tls_global_dynamic_64): Likewise.
3593         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3594         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3595
3596         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3597         (ASM_OUTPUT_TLS_COMMON): Use it.
3598         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3599
3600         PR target/38118
3601         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3602         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3603         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3604         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3605         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3606         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3607
3608 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3609
3610         * config/i386/i386.c (override_options): Don't accept
3611         -mtls-dialect=sun any longer.
3612         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3613         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3614         (*tls_local_dynamic_base_32_sun): Likewise.
3615         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3616
3617 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3618
3619         PR debug/43508
3620         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3621         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3622
3623         PR debug/43479
3624         * ira.c (adjust_cleared_regs): New function.
3625         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3626
3627         PR debug/19192
3628         PR debug/43479
3629         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3630         from gimple_block.
3631         * expr.c (expand_expr_real): Restore previous
3632         curr_insn_source_location and curr_insn_block after
3633         expand_expr_real_1 call.
3634         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3635         instead of expand_expr_real_1.
3636
3637 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3638
3639         PR rtl-optimization/43413
3640         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3641         hard regs too.
3642
3643 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3644
3645         PR target/43348
3646         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3647         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3648
3649 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3650
3651         * config/i386/i386.c (ix86_target_string): Add -mfma.
3652         Fix a typo in comment.
3653
3654 2010-03-22  Mike Stump  <mikestump@comcast.net>
3655
3656         PR target/23071
3657         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3658         Don't overly align based upon packed packed fields.
3659
3660 2010-03-22  Jason Merrill  <jason@redhat.com>
3661
3662         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3663         Use () rather than [], and move before the element type.
3664
3665 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3666
3667         * doc/configfiles.texi (Configuration Files): Removed
3668         fixinc/Makefile*, intl/Makefile.*.
3669         * doc/makefile.texi: Fixed markup. Abstract from version
3670         control system used.
3671         (Makefile): Removed obsolete gcc/java/parse.y example.
3672         * doc/sourcebuild.texi: Likewise.
3673         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3674         libgomp, libssp.  Removed fastjar.
3675         (Miscellaneous Docs): Clarify location.
3676         Added COPYING3, COPYING3.LIB.
3677         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3678
3679 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3680
3681         PR target/38085
3682         * config/i386/i386.c (x86_function_profiler)
3683         [!NO_PROFILE_COUNTERS]: Fix typo.
3684         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3685         instead of callq.
3686
3687 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3688             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3689
3690         * doc/sourcebuild.texi (Test Directives): Split into six
3691         subsections, with most of the current text in new subsections
3692         Directives, Selectors, and Final Actions.
3693         (Directives): Split list of test directives into multiple
3694         subsubsections.
3695         (Selectors): Describe use and syntax of selectors.
3696         (Effective-Target Keywords): Describe all existing keywords.
3697         (Add Options): Describe features for dg-add-options.
3698         (Require Support): Describe variants of dg-require-support.
3699         (Final Actions): Describe commands to use in dg-final.
3700
3701 2010-03-22  Michael Matz  <matz@suse.de>
3702
3703         PR middle-end/43475
3704         * recog.c (validate_replace_rtx_group): Replace also in
3705         REG_EQUAL and REG_EQUIV notes.
3706
3707 2010-03-22  Richard Guenther  <rguenther@suse.de>
3708
3709         PR tree-optimization/43390
3710         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3711         sure vector extracts are type correct.
3712
3713 2010-03-22  Richard Guenther  <rguenther@suse.de>
3714
3715         PR middle-end/40106
3716         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3717         x * sqrt (x) even when optimizing for size if the target
3718         has native support for sqrt.
3719
3720 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3721
3722         * varasm.c (make_decl_rtl_for_debug): Also clear
3723         flag_mudflap for the duration of make_decl_rtl call.
3724
3725         PR debug/43443
3726         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3727         locs from preserved VALUEs.
3728
3729 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3730
3731         PR middle-end/42718
3732         * pa.md (movmemsi): Set align to one if zero.
3733         (movmemdi): Likewise.
3734
3735 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3736
3737         PR target/42321
3738         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3739         with their corresponding prologue pushes.
3740
3741 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3742
3743         PR target/43156
3744         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3745         at the begining or end.
3746         (spu_expand_epilogue): Likewise.
3747
3748 2010-03-20  Richard Guenther  <rguenther@suse.de>
3749
3750         PR rtl-optimization/43438
3751         * combine.c (make_extraction): Properly zero-/sign-extend an
3752         extraction of the low part of a CONST_INT.  Also handle
3753         CONST_DOUBLE.
3754
3755 2010-03-19  Mike Stump  <mikestump@comcast.net>
3756
3757         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3758         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3759         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3760
3761 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3762
3763         PR c/43211
3764         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3765         an error.
3766
3767 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3768
3769         PR rtl-optimization/42258
3770         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3771         use that may match DEF.
3772
3773         PR target/40697
3774         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3775         the cost of loading the constant rather than assuming
3776         COSTS_N_INSNS (1).
3777         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3778         outer code is AND, do the same tests as the andsi3 expander and
3779         return COSTS_N_INSNS (1) if and is cheap.
3780
3781         * optabs.c (avoid_expensive_constant): Fix formatting.
3782
3783 2010-03-19  Michael Matz  <matz@suse.de>
3784
3785         PR c++/43116
3786         * attribs.c (decl_attributes): When rebuilding a function pointer
3787         type use the same qualifiers as the original pointer type.
3788
3789 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3790
3791         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3792         and is_gimple_ip_invariant_address.
3793
3794 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3795
3796         Revert
3797         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3798
3799         * config/arm/arm.c (arm_override_options): Turn off
3800         flag_dwarf2_cfi_asm for AAPCS variants.
3801
3802 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3803
3804         PR target/43399
3805         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3806         Use PRE_MODIFY instead of PRE_DEC.
3807         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3808         (vfp_emit_fstmd): Likewise.
3809
3810 2010-03-19  Michael Matz  <matz@suse.de>
3811
3812         PR target/43305
3813         * builtins.c (expand_builtin_interclass_mathfn,
3814         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3815         if that fails.
3816
3817 2010-03-19  Richard Guenther  <rguenther@suse.de>
3818
3819         PR tree-optimization/43415
3820         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3821         (phi_translate_1): ... this.
3822         (phi_translate): Move all caching here.  Cache all NARY
3823         and REFERENCE translations.
3824
3825 2010-03-19  David S. Miller  <davem@davemloft.net>
3826
3827         With help from Eric Botcazou.
3828         * config/sparc/sparc.c: Include dwarf2out.h.
3829         (emit_pic_helper): Delete.
3830         (pic_helper_symbol_name): Delete.
3831         (pic_helper_emitted_p): Delete.
3832         (pic_helper_needed): New.
3833         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3834         (get_pc_thunk_name): New.
3835         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3836         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3837         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3838         (sparc_expand_prologue): Update load_pic_register call.
3839         (sparc_output_mi_thunk): Likewise.
3840         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3841         thunk if possible.  Output CFI information as needed.
3842
3843 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3844             Jack Howarth <howarth@bromo.med.uc.edu>
3845
3846         PR target/36399
3847         * config/i386/i386.h: Fix ABI on darwin x86-32.
3848
3849 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3850
3851         * tree.h: Declare make_decl_rtl_for_debug.
3852         * varasm.c (make_decl_rtl_for_debug): New.
3853         * dwarf2out.c (rtl_for_decl_location): Call it.
3854         * cfgexpand.c (expand_debug_expr): Call it.
3855
3856 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3857
3858         PR bootstrap/43399
3859         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3860         mem_mode.
3861
3862         PR bootstrap/43403
3863         * var-tracking.c (vt_init_cfa_base): Do nothing if
3864         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3865
3866 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3867
3868         PR debug/42873
3869         * var-tracking.c (canonicalize_vars_star): New.
3870         (dataflow_post_merge_adjust): Use it.
3871
3872 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3873
3874         PR debug/43058
3875         * var-tracking.c (non_suitable_const): New function.
3876         (add_uses): For DEBUG_INSNs with constants, don't record any
3877         value, instead just the constant value itself.
3878         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3879         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3880         (emit_notes_in_bb): Likewise.
3881         (emit_note_insn_var_location): For onepart variables if
3882         cur_loc is a VOIDmode constant, use DECL_MODE.
3883
3884 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3885
3886         PR middle-end/42450
3887         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3888         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3889         all non-clones.  Moved call redirection...
3890         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3891         (cgraph_materialize_all_clones): Dispose of all
3892         combined_args_to_skip bitmaps.
3893         (verify_cgraph_node): Do not check for edges pointing to wrong
3894         nodes in inline clones.
3895         * tree-inline.c (copy_bb): Call
3896         cgraph_redirect_edge_call_stmt_to_callee.
3897         * ipa.c (cgraph_remove_unreachable_nodes): Call
3898         cgraph_node_remove_callees even when there are used clones.
3899
3900 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3901
3902         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3903
3904 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3905
3906         PR target/43383
3907         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3908         for 32bit.
3909
3910 2010-03-18  Michael Matz  <matz@suse.de>
3911
3912         PR middle-end/43419
3913         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3914         into sqrt(x) if we need to preserve signed zeros.
3915
3916 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3917             Eric Botcazou  <ebotcazou@adacore.com>
3918
3919         PR rtl-optimization/43360
3920         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3921         note if we don't know its invariant status.
3922
3923 2010-03-18  Michael Matz  <matz@suse.de>
3924
3925         PR tree-optimization/43402
3926         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3927         PHI chains of ssa names registered for update.
3928
3929 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3930
3931         PR target/42427
3932         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3933         non-offsettable and pre_modify update addressing.
3934         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3935         and "2" alternatives "#".
3936         (*movdd_softfloat32): Make all alternatives "#";
3937         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3938         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3939         (*movdf_softfloat32): Make all alternatives "#";
3940         (movdi): Use the new DIFD mode iterator to create a common splitter
3941         for movdi, movdf and movdd patterns.
3942
3943 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3944
3945         * common.opt (dumpdir): Remove redundant tab.
3946
3947 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3948
3949         PR tree-optimization/43347
3950         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3951         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3952
3953 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3954
3955         PR rtl-optimization/42216
3956         * regrename.c (create_new_chain): New function, broken out from...
3957         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3958         appending a use to an empty chain.
3959         (build_def_use): Remove previous changes that convert OP_INOUT to
3960         OP_OUT operands; instead detect the case where an OP_INOUT operand
3961         uses a previously untracked register and create an empty chain for it.
3962
3963 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3964
3965         * doc/extend.texi (Function Attributes): Rewrite unfinished
3966         sentence in ms_abi documentation.
3967
3968 2010-03-17  Alan Modra  <amodra@gmail.com>
3969
3970         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3971         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3972         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3973         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3974
3975 2010-03-16  Richard Henderson  <rth@redhat.com>
3976
3977         PR middle-end/43365
3978         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3979         (lower_try_finally): Save and restore eh_seq around the expansion
3980         of the try-finally.
3981
3982 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3983
3984         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3985         statements before splitting block.
3986
3987 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3988
3989         * doc/sourcebuild.texi (Testsuites): Fix markup.
3990         Use pathnames relative to gcc/testsuite.
3991         (Test Directives): Move description of how timeout is determined.
3992         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3993         (C Tests): Correct gcc.misc-tests directory.
3994         Framework tests now live in gcc.test-framework.
3995
3996 2010-03-16  Richard Guenther  <rguenther@suse.de>
3997
3998         PR middle-end/43379
3999         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4000         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4001
4002 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
4003             Alexandre Oliva  <aoliva@redhat.com>
4004
4005         PR tree-optimization/42917
4006         * lambda-code.c (remove_iv): Skip debug statements.
4007         (lambda_loopnest_to_gcc_loopnest): Likewise.
4008         (not_interesting_stmt): Debug statements are not interesting.
4009
4010 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
4011
4012         PR debug/43051
4013         PR debug/43092
4014         * cselib.c (cselib_preserve_constants,
4015         cfa_base_preserved_val): New static variables.
4016         (preserve_only_constants): New function.
4017         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4018         clear its REG_VALUES.  If cselib_preserve_constants, don't
4019         empty the whole hash table, but preserve there VALUEs with constants,
4020         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4021         (cselib_preserve_cfa_base_value): New function.
4022         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4023         (cselib_init): Change argument to int bitfield.  Set
4024         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4025  &n