OSDN Git Service

Move flag_plugin_added out of invoke_plugin_callbacks.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR bootstrap/43935
4         * plugin.h (flag_plugin_added): Moved out of
5         invoke_plugin_callbacks.
6
7 2010-04-29  Richard Guenther  <rguenther@suse.de>
8
9         PR bootstrap/43935
10         * plugin.h (invoke_plugin_callbacks): Annotate arguments
11         with ATTRIBUTE_UNUSED.
12
13 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
14
15         PR target/43921
16         * config/i386/i386.c (get_some_local_dynamic_name): Replace
17         INSN_P with NONDEBUG_INSN_P.
18         (distance_non_agu_define): Likewise.
19         (distance_agu_use): Likewise.
20
21 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
22
23         From Dominique d'Humieres <dominiq@lps.ens.fr>
24         PR bootstrap/43858
25         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
26         test_set.
27
28 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
29
30         * plugin.h (invoke_plugin_callbacks): New inline function.
31         * plugin.c (flag_plugin_added): New global flag.
32         (add_new_plugin): Initialize above flag.
33         (invoke_plugin_callbacks): Rename to ...
34         (invoke_plugin_callbacks_full): ... this.
35
36 2010-04-28  Jan Hubicka  <jh@suse.cz>
37
38         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
39         (lto_varpool_replace_node): New.
40         (lto_symtab_resolve_symbols): Resolve varpool nodes.
41         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
42         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
43         * cgraph.h (varpool_node_ptr): New type.
44         (varpool_node_ptr): New vector.
45         (varpool_node_set_def): New structure.
46         (varpool_node_set): New type.
47         (varpool_node_set): New vector.
48         (varpool_node_set_element_def): New structure.
49         (varpool_node_set_element, const_varpool_node_set_element): New types.
50         (varpool_node_set_iterator): New type.
51         (varpool_node): Add prev pointers, add used_from_other_partition,
52         in_other_partition.
53         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
54         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
55         varpool_get_node, varpool_remove_node): Declare.
56         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
57         varpool_node_set_size): New inlines.
58         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
59         * tree-pass.h (varpool_node_set_def): Forward declare.
60         (ipa_opt_pass_d): Summary writting takes vnode sets too.
61         (ipa_write_optimization_summaries): Update prototype.
62         * ipa-cp.c (ipcp_write_summary): Update.
63         * ipa-reference.c (ipa_reference_write_summary): Update.
64         * lto-cgraph.c (lto_output_varpool_node): New static function.
65         (output_varpool): New function.
66         (input_varpool_node): New static function.
67         (input_varpool_1): New function.
68         (input_cgraph): Input varpool.
69         * ipa-pure-const.c (pure_const_write_summary): Update.
70         * lto-streamer-out.c (lto_output): Update, output varpool too.
71         (write_global_stream): Kill WPA hack.
72         (produce_asm_for_decls): Update.
73         (output_alias_pair_p): Handle variables.
74         (output_unreferenced_globals): Output only needed partition of varpool.
75         * ipa-inline.c (inline_write_summary): Update.
76         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
77         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
78         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
79         varpool_node_set_new, varpool_node_set_add,
80         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
81         debug_varpool_node_set): New functions.
82         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
83         (execute_one_pass): Process new decls too.
84         (ipa_write_summaries_2): Pass around vsets.
85         (ipa_write_summaries_1): Likewise.
86         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
87         to add.
88         (ipa_write_optimization_summaries_1): Pass around vsets.
89         (ipa_write_optimization_summaries): Likewise.
90         * varpool.c (varpool_get_node): New.
91         (varpool_node): Update doubly linked lists.
92         (varpool_remove_node): New.
93         (dump_varpool_node): More dumping.
94         (varpool_enqueue_needed_node): Update doubly linked lists.
95         (decide_is_variable_needed): Kill ltrans hack.
96         (varpool_finalize_decl): Kill lto hack.
97         (varpool_assemble_decl): Skip decls in other partitions.
98         (varpool_assemble_pending_decls): Update doubly linkes lists.
99         (varpool_empty_needed_queue): Likewise.
100         (varpool_extra_name_alias): Likewise.
101         * lto-streamer.c (lto_get_section_name): Add vars section.
102         * lto-streamer.h (lto_section_type): Update.
103         (output_varpool, input_varpool): Declare.
104
105 2010-04-28  Mike Stump  <mikestump@comcast.net>
106
107         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
108
109 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
110
111         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
112         record or union type with RECORD_OR_UNION_TYPE_P predicate.
113         (lto_input_ts_type_tree_pointers): Likewise.
114         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
115         (lto_output_ts_type_tree_pointers): Likewise.
116
117 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
118
119         Uniquization of constants at the Tree level
120         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
121         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
122         bit to the end.
123         (tree_output_constant_def): Declare.
124         * gimplify.c (gimplify_init_constructor): When using block copy, first
125         uniquize the constant constructor on the RHS.
126         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
127         DECL_IN_CONSTANT_POOL flag.
128         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
129         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
130         constant pool.
131         (assemble_variable): Deal with symbols belonging to the tree constant
132         pool.
133         (get_constant_section): Add ALIGN parameter and simplify.
134         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
135         (assemble_constant_contents): Use the expression of the VAR_DECL.
136         (output_constant_def_contents): Use the alignment of the VAR_DECL.
137         (tree_output_constant_def): New global function.
138         (mark_constant): Use the expression of the VAR_DECL.
139         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
140         its expression.
141         (output_object_block): Likewise and assemble the expression.
142
143 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
144
145         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
146         hash_tree, eq_tree): New tree hash table.
147         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
148         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
149         lto_orig_address_remove): Reimplement.
150
151 2010-04-28  Xinliang David Li  <davidxl@google.com>
152
153         PR c/42643
154         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
155         (compute_uninit_opnds_pos): New function.
156         (is_non_loop_exit_postdominating): New function.
157         (compute_control_dep_chain): New function.
158         (find_pdom): New function.
159         (convert_control_dep_chain_into_preds): New function.
160         (find_predicates): New function.
161         (find_control_equiv_block): New function.
162         (collect_phi_def_edges): New function.
163         (find_def_preds): New function.
164         (find_dom): New function.
165         (dump_predicates): New function.
166         (get_cmp_code): New function.
167         (is_value_included_in): New function.
168         (find_matching_predicate_in_rest_chains): New function.
169         (use_pred_not_overlap_with_undef_path_pred): New function.
170         (is_use_properly_guarded): New function.
171         (normalize_cond_1): New function.
172         (is_and_or_or): New function.
173         (normalize_cond): New function.
174         (is_gcond_subset_of): New function.
175         (is_subset_of_any): New function.
176         (is_or_set_subset_of): New function.
177         (is_and_set_subset_of): New function.
178         (is_norm_cond_subset_of): New function.
179         (is_pred_expr_subset_of): New function.
180         (is_pred_chain_subset_of): New function.
181         (is_included_in): New function.
182         (is_superset_of): New function.
183         (find_uninit_use): New function.
184         (warn_uninitialized_phi): New function.
185         (compute_possibly_undefined_names): New function.
186         (ssa_undefined_value_p): New function.
187         (execute_late_warn_uninitialized): New function.
188         * tree-ssa.c (ssa_undefined_value_p): Removed.
189         (warn_uninit): Changed to extern.
190         (warn_uninitialized_phi): Removed.
191         (warn_uninitialized_vars): Changed to extern.
192         (execute_late_warn_uninitialized): Removed
193         * tree-flow.h: Add new prototypes.
194         * timevar.def: Add new time variable.
195         * Makefile.in: Add new build file.
196
197 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
198
199         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
200         type if available.
201
202 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
203
204         PR target/22224
205         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
206
207 2010-04-28  Martin Jambor  <mjambor@suse.cz>
208
209         * cgraph.h (struct cgraph_node): New field indirect_calls.
210         (struct cgraph_indirect_call_info): New type.
211         (struct cgraph_edge): Removed field indirect_call. New fields
212         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
213         (cgraph_create_indirect_edge): Declare.
214         (cgraph_make_edge_direct): Likewise.
215         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
216         * ipa-prop.h (struct ipa_param_call_note): Removed.
217         (struct ipa_node_params): Removed field param_calls.
218         (ipa_create_all_structures_for_iinln): Declare.
219         * cgraph.c: Described indirect edges and uids in initial comment.
220         (cgraph_add_edge_to_call_site_hash): New function.
221         (cgraph_edge): Search also among the indirect edges, use
222         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
223         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
224         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
225         site hash.
226         (initialize_inline_failed): Assign a reason to indirect edges.
227         (cgraph_create_edge_1): New function.
228         (cgraph_create_edge): Moved some functionality to
229         cgraph_create_edge_1.
230         (cgraph_create_indirect_edge): New function.
231         (cgraph_edge_remove_callee): Add an assert checking for
232         non-indirectness.
233         (cgraph_edge_remove_caller): Special-case indirect edges.
234         (cgraph_remove_edge): Likewise.
235         (cgraph_set_edge_callee): New function.
236         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
237         (cgraph_make_edge_direct): New function.
238         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
239         the declaration of the call statement matches.
240         (cgraph_node_remove_callees): Special-case indirect edges.
241         (cgraph_clone_edge): Likewise.
242         (cgraph_clone_node): Clone also the indirect edges.
243         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
244         indirect_call, dump count of indirect_calls edges.
245         * ipa-prop.c (iinlining_processed_edges): New variable.
246         (ipa_note_param_call): Create indirect edges instead of
247         creating notes.  New parameter node.
248         (ipa_analyze_call_uses): New parameter node, pass it on to
249         ipa_note_param_call.
250         (ipa_analyze_stmt_uses): Likewise.
251         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
252         (print_edge_addition_message): Work on edges rather than on notes.
253         (update_call_notes_after_inlining): Likewise, renamed to
254         update_indirect_edges_after_inlining.
255         (ipa_create_all_structures_for_iinln): New function.
256         (ipa_free_node_params_substructures): Do not free notes.
257         (ipa_edge_duplication_hook): Propagate bits within
258         iinlining_processed_edges bitmap.
259         (ipa_node_duplication_hook): Do not duplicate notes.
260         (free_all_ipa_structures_after_ipa_cp): Renamed to
261         ipa_free_all_structures_after_ipa_cp.
262         (free_all_ipa_structures_after_iinln): Renamed to
263         ipa_free_all_structures_after_iinln.g
264         (ipa_write_param_call_note): Removed.
265         (ipa_read_param_call_note): Removed.
266         (ipa_write_indirect_edge_info): New function.
267         (ipa_read_indirect_edge_info): Likewise.
268         (ipa_write_node_info): Do not stream notes, do stream information
269         in indirect edges.
270         (ipa_read_node_info): Likewise.
271         (lto_ipa_fixup_call_notes): Removed.
272         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
273         * ipa-inline.c (pass_ipa_inline): Likewise.
274         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
275         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
276         * tree-inline.c (copy_bb): Removed an unnecessary double check for
277         is_gimple_call.
278         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
279         edges.
280         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
281         (output_cgraph): Stream also indirect edges.
282         (lto_output_edge): Added capability to stream indirect edges.
283         (input_edge): Likewise.
284         (input_cgraph_1): Likewise.
285         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
286         of indirect edges.
287
288 2010-04-28  Richard Guenther  <rguenther@suse.de>
289
290         PR tree-optimization/43879
291         PR tree-optimization/43909
292         * tree-ssa-structalias.c (struct variable_info): Add
293         only_restrict_pointers flag.
294         (new_var_info): Initialize it.  Increment stats.total_vars here.
295         (create_function_info_for): Do not increment stats.total_vars
296         here.
297         (get_function_part_constraint): Fix build with C++.
298         (insert_into_field_list): Remove.
299         (push_fields_onto_fieldstack): Properly merge fields.
300         (create_variable_info_for): Split and simplify.
301         (create_variable_info_for_1): New piece.
302         (intra_create_variable_infos): Properly make restrict constraints
303         from parameters.
304
305 2010-04-28  Richard Guenther  <rguenther@suse.de>
306
307         PR c++/43880
308         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
309         value-exprs.
310
311 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
312             Jan Hubicka <hubicka@ucw.cz>
313
314         * doc/invoke.texi (-Wsuggest-attribute=const,
315         -Wsuggest-attribute=pure): Document.
316         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
317         (function_always_visible_to_compiler_p,
318         suggest_attribute, warn_function_pure, warn_function_const):
319         New functions.
320         (check_call): Improve debug info.
321         (analyze_function): Do not check availability.
322         (add_new_function): Check availability.
323         (propagate): Output warnings.
324         (skip_function_for_local_pure_const): New function.
325         (local_pure_const): Use it; output warnings.
326         * common.opt (Wsuggest-attribute=const,
327         Wsuggest-attribute=pure): New.
328
329 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
330
331         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
332         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
333         or DW_CFA_def_cfa_offset{,_sf}.
334
335 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
336
337         * tree.h: Fix truncated long macros.
338
339 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
340
341         * collect2.c (TARGET_64BIT): Redefine to target's default.
342         * tlink.c: Likewise.
343         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
344         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
345         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
346         for underscoring __USER_LABEL_PREFIX__.
347         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
348         (SUB_LINK_ENTRY32): New.
349         (SUB_LINK_ENTRY64): New.
350         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
351         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
352         (SUB_LINK_ENTRY64): New.
353         (SUB_LINK_ENTRY): New.
354         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
355         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
356         x64 target is choosen.
357         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
358         * configure: Regenerated.
359         * configure.ac (leading-mingw64-underscores): Option added.
360
361 2010-04-27  Jan Hubicka  <jh@suse.cz>
362
363         * doc/invoke.texi (-fipa-profile): Document.
364         * opts.c (decode_options): Enable ipa-profile at -O1.
365         * timevar.def (TV_IPA_PROFILE): Define.
366         * common.opt (fipa-profile): Add.
367         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
368         flag for clones.
369         (cgraph_propagate_frequency): Handle only local ones.
370         * tree-pass.h (pass_ipa_profile): Declare.
371         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
372         (pass_ipa_profile): Use TV_IPA_PROFILE.
373         * ipa.c (ipa_profile): New function.
374         (gate_ipa_profile): Likewise.
375         (pass_ipa_profile): New global variable.
376         * passes.c (pass_ipa_profile): New.
377
378 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
379
380         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
381
382 2010-04-27  Martin Jambor  <mjambor@suse.cz>
383
384         PR middle-end/43812
385         * ipa.c (dissolve_same_comdat_group_list): New function.
386         (function_and_variable_visibility): Call
387         dissolve_same_comdat_group_list when comdat group contains external or
388         newly local nodes.
389         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
390         lists are circular and that they contain only DECL_ONE_ONLY nodes.
391
392 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
393
394         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
395         (const_hash_1) <VECTOR_CST>: New case.
396         (compare_constant) <VECTOR_CST>: Likewise.
397         <ADDR_EXPR>: Deal with LABEL_REFs.
398         (copy_constant) <VECTOR_CST>: New case.
399
400 2010-04-27  Jan Hubicka  <jh@suse.cz>
401
402         * cgraph.c (cgraph_propagate_frequency): New function.
403         * cgraph.h (cgraph_propagate_frequency): Declare.
404         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
405         cgraph_propagate_frequency.
406
407 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
408
409         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
410
411 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
412
413         PR target/40657
414         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
415         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
416         here to determine which regs to push and how much stack to reserve.
417
418 2010-04-27  Jie Zhang  <jie@codesourcery.com>
419
420         * doc/gimple.texi (gimple_statement_with_ops): Remove
421         addresses_taken field.
422         (gimple_statement_with_memory_ops): Likewise.
423
424 2010-04-27  Jan Hubicka  <jh@suse.cz>
425
426         * tree-inline.c (eni_inlining_weights): Remove.
427         (estimate_num_insns): Special case more builtins.
428
429 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
430
431         PR c/32207
432         * c-typeck.c (build_binary_op): Move forward check for comparison
433         pointer with null pointer constant and adjust the diagnostic message.
434
435 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
436
437         PR lto/42776
438         * configure.ac (gcc_cv_as_section_has_align): Set if installed
439         binutils supports extended .section directive needed by LTO, or
440         warn if older binutils found.
441         (LTO_BINARY_READER): New AC_SUBST'd variable.
442         (LTO_USE_LIBELF): Likewise.
443         * gcc/config.gcc (lto_binary_reader): New target-specific configure
444         variable.
445         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
446         (LTO_USE_LIBELF): Likewise.
447         * configure: Regenerate.
448
449         * collect2.c (is_elf): Rename from this ...
450         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
451          object files in addition to ELF-formatted ones.
452         (scan_prog_file): Caller updated.  Also allow for LTO info marker
453         symbol to be prefixed or not by an extra underscore.
454
455         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
456         * config/i386/winnt.c: Also #include lto-streamer.h
457         (i386_pe_asm_named_section): Specify 1-byte section alignment for
458         LTO named sections.
459         (i386_pe_asm_output_aligned_decl_common): Add comment.
460         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
461
462 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
463
464         PR target/43889
465         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
466         Add missing earlyclobber for second alternative.
467
468 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
469
470         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
471         bits for artificial defs at the top of the block.
472         * fwprop.c (single_def_use_enter_block): Don't call it.
473
474 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
475
476         PR 43715
477         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
478         instead of "$gcc_cv_objdump -T".
479         Use "-undefined dynamic_lookup" on darwin.
480         * gcc/configure: Regenerate.
481
482 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
483
484         PR c/43893
485         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
486
487 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
488
489         * c-parser.c (struct c_token): Move location field up.
490         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
491         (struct c_declspecs): Convert typespec_word, storage_class, and
492         default_int_p into bitfields.
493         (struct c_declarator): Move loc field up.
494
495 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
496
497         * cfgloop.h (struct loop): Move can_be_parallel field up.
498         * ipa-prop.h (struct ip_node_params): Move bitfields up.
499         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
500         down.
501         (struct iv_cand): Convert pos field into a bitfield.
502         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
503         field up.
504         (struct _stmt_vec_info): Shuffle fields for better packing.
505
506 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
507
508         * varasm.c (IN_NAMED_SECTION): Remove guard.
509         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
510         (IN_NAMED_SECTION_P): ...this.
511         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
512         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
513
514 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
515
516         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
517         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
518         of shadowing it.  Fix comments.
519
520 2010-04-26  Jan Hubicka  <jh@suse.cz>
521
522         * cgraph.c (cgraph_create_node): Set node frequency to normal.
523         (cgraph_clone_node): Copy function frequency.
524         * cgraph.h (node_frequency): New enum
525         (struct cgraph_node): Add.
526         * final.c (rest_of_clean_state): Update.
527         * lto-cgraph.c (lto_output_node): Output node frequency.
528         (input_overwrite_node): Input node frequency.
529         * tre-ssa-loop-ivopts (computation_cost): Update.
530         * lto-streamer-out.c (output_function): Do not output function
531         frequency.
532         * predict.c (maybe_hot_frequency_p): Update and handle functions
533         executed once.
534         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
535         attribute lookup.
536         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
537         (compute_function_frequency): Set noreturn functions to be executed
538         once.
539         (choose_function_section): Update.
540         * lto-streamer-in.c (input_function): Do not input function frequency.
541         * function.c (allocate_struct_function): Do not initialize function
542         frequency.
543         * function.h (function_frequency): Remove.
544         (struct function): Remove function frequency.
545         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
546         (try_update): Update.
547         * tree-inline.c (initialize_cfun): Do not update function frequency.
548         * passes.c (pass_init_dump_file): Update.
549         * i386.c (ix86_compute_frame_layout): Update.
550         (ix86_pad_returns): Update.
551
552 2010-04-26  Jie Zhang  <jie@codesourcery.com>
553
554         PR tree-optimization/43833
555         * tree-vrp.c (range_int_cst_p): New.
556         (range_int_cst_singleton_p): New.
557         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
558         when both operands are constants.  Use range_int_cst_p in
559         BIT_IOR_EXPR case.
560
561 2010-04-26  Jan Hubicka  <jh@suse.cz>
562
563         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
564
565 2010-04-26  Richard Guenther  <rguenther@suse.de>
566
567         PR lto/43080
568         * gimple.c (gimple_decl_printable_name): Deal gracefully
569         with a NULL DECL_NAME.
570
571 2010-04-26  Richard Guenther  <rguenther@suse.de>
572
573         PR lto/42425
574         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
575         if emitting debug information and it is either a function
576         or a namespace decl.
577
578 2010-04-26  Ira Rosen  <irar@il.ibm.com>
579
580         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
581         determine if the statement is vectorizable, and a macro to access it.
582         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
583         Skip statements that can't be vectorized. If the analysis fails,
584         mark the statement as unvectorizable if vectorizing basic block.
585         (vect_compute_data_refs_alignment): Likewise.
586         (vect_verify_datarefs_alignment): Skip statements marked as
587         unvectorizable. Add print.
588         (vect_analyze_group_access): Skip statements that can't be
589         vectorized. If the analysis fails, mark the statement as
590         unvectorizable if vectorizing basic block.
591         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
592         * tree-vect-stmts.c (vectorizable_store): Fix the number of
593         generated stmts for SLP.
594         (new_stmt_vec_info): Initialize the new field.
595         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
596         statements marked as unvectorizable.
597
598 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
599
600         * c-common.c (flag_isoc1x): New.
601         (flag_isoc99): Update comment.
602         * c-common.h (flag_isoc1x): New.
603         (flag_isoc99): Update comment.
604         * c-cppbuiltin.c (builtin_define_float_constants): Also define
605         __<type>_DECIMAL_DIG__.
606         * c-opts.c (set_std_c1x): New.
607         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
608         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
609         * c.opt (-std=c1x, -std=gnu1x): New options.
610         * doc/cpp.texi: Mention -std=c1x.
611         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
612         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
613         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
614         * doc/standards.texi: Mention C1X.
615         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
616         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
617         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
618         Define for C1X.
619
620 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
621
622         * config/i386/gmon-sol2.c (_mcleanup): Change format string
623         placeholder from 0x%x to %#x.
624         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
625         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
626         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
627         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
628         * config/i386/i386.c (ix86_target_string): Ditto.
629         (output_pic_addr_const): Ditto.
630         (print_operand): Ditto.
631
632 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
633
634         * combine.c (find_split_point): Add third argument.  Use it
635         to find nested multiply-accumulate instructions.  Adjust calls.
636         (try_combine): Adjust call to find_split_point.
637
638 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
639
640         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
641
642 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
643
644         PR tree-optimization/41442
645         * fold-const.c (merge_truthop_with_opposite_arm): New function.
646         (fold_binary_loc): Call it.
647
648 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
649
650         * toplev.c (general_init): Set default for fdiagnostics-show-option.
651         * opts.c (common_handle_option): Allow disabling it.
652         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
653
654 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
655
656         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
657         between modes if both types are integral.
658
659 2010-04-23  Richard Guenther  <rguenther@suse.de>
660
661         PR tree-optimization/43572
662         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
663
664 2010-04-23  Richard Guenther  <rguenther@suse.de>
665
666         PR lto/43455
667         * tree-inline.c (tree_can_inline_p): Also check compatibility
668         of return types.
669
670 2010-04-23  Martin Jambor  <mjambor@suse.cz>
671
672         PR tree-optimization/43846
673         * tree-sra.c (struct access): New flag grp_assignment_read.
674         (build_accesses_from_assign): Set grp_assignment_read.
675         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
676         (enum mark_read_status): New type.
677         (analyze_access_subtree): Propagate grp_assignment_read, create
678         accesses also if both direct_read and root->grp_assignment_read.
679
680 2010-04-23  Martin Jambor  <mjambor@suse.cz>
681
682         PR middle-end/43835
683         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
684         function does not have type attributes.
685
686 2010-04-23  Richard Guenther  <rguenther@suse.de>
687
688         PR lto/42653
689         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
690         of FUNCTION_DECLs.
691
692 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
693
694         * sese.h (create_if_region_on_edge): Remove.
695
696         * sese.c (create_if_region_on_edge): Make static.
697
698         * tree-inline.c: Do not include ggc.h.
699
700         * expr.c: Do not include ggc.h.
701
702         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
703         dependencies.
704
705 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
706
707         PR target/43744
708         * config/sh/sh.c (find_barrier): Don't emit a constant pool
709         in the middle of insns for casesi_worker_2.
710
711 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
712
713         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
714
715 2010-04-22  Ira Rosen  <irar@il.ibm.com>
716
717         PR tree-optimization/43842
718         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
719         loop unrolling in update of exit phis. Fix comment.
720         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
721         least two reduction statements in the loop before starting SLP
722         analysis.
723
724 2010-04-22  Nick Clifton  <nickc@redhat.com>
725
726         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
727
728 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
729
730         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
731         to simplify a + ~a.
732
733 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
734
735         * tree-parloops.c (loop_parallel_p): New argument
736         parloop_obstack.  Pass it down.
737         (parallelize_loops): New variable parloop_obstack.  Initialize it,
738         pass it down, free it.
739
740         * tree-loop-linear.c (linear_transform_loops): Pass down
741         lambda_obstack.
742
743         * tree-data-ref.h (lambda_compute_access_matrices): New argument
744         of type struct obstack *.
745
746         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
747         scratch_obstack.  Initialize it, pass down, free it.
748
749         * lambda.h (lambda_loop_new): Remove.
750         (lambda_matrix_new, lambda_matrix_inverse)
751         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
752         argument of type struct obstack *.
753
754         * lambda-trans.c (lambda_trans_matrix_new): New argument
755         lambda_obstack.  Pass it down, use obstack allocation for ret.
756         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
757         it down.
758
759         * lambda-mat.c (lambda_matrix_get_column)
760         (lambda_matrix_project_to_null): Remove.
761         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
762         allocation for mat.
763         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
764         lambda_obstack.
765
766         * lambda-code.c (lambda_loop_new): New function.
767         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
768         (lambda_compute_auxillary_space, lambda_compute_target_space)
769         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
770         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
771         (build_access_matrix): New argument lambda_obstack.  Use obstack
772         allocation for am.
773         (lambda_compute_step_signs, lambda_compute_access_matrices): New
774         argument lambda_obstack.  Pass it down.
775
776 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
777
778         * optabs.h (expand_widening_mult): Declare.
779
780 2010-04-22  Richard Guenther  <rguenther@suse.de>
781
782         PR tree-optimization/43845
783         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
784         lookup the CALL_EXPR function and arguments.
785
786 2010-04-22  Nick Clifton  <nickc@redhat.com>
787
788         * config/stormy16/stormy16.c
789         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
790         * config/stormy16/stormy16.h: Tidy up formatting.
791         (DONT_USE_BUILTIN_SETJMP): Remove definition.
792         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
793         (ineqbranchsi): Delete pattern.
794         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
795         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
796         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
797         stormy16-lib2-ucmpsi2.c.
798
799 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
800
801         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
802         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
803         extra set merge_set_noclobber, and use it to relax the final test
804         slightly.
805         * df.h (df_simulate_find_noclobber_defs): Declare.
806         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
807         conditional defs.
808         (df_simulate_find_noclobber_defs): New function.
809
810 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
811
812         * config/i386/i386.md: Use {} around multi-line preparation statements.
813
814 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
815
816         * c-tree.h (push_init_level, pop_init_level, set_init_index)
817         (process_init_element): New argument of type struct obstack *.
818
819         * c-typeck.c (push_init_level, pop_init_level, set_designator)
820         (set_init_index, set_init_label, set_nonincremental_init)
821         (set_nonincremental_init_from_string, find_init_member)
822         (output_init_element, output_pending_init_elements)
823         (process_init_element): New argument braced_init_obstack.  Pass it
824         down.
825         (push_range_stack, add_pending_init): New argument
826         braced_init_obstack.  Use obstack allocation.
827
828         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
829         braced_init_obstack.  Pass it down.
830         (c_parser_braced_init): New variables ret, braced_init_obstack.
831         Initialize obstack, pass it down and finally free it.
832
833 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
834
835         PR middle-end/29274
836         * tree-pass.h (pass_optimize_widening_mul): Declare.
837         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
838         gate_optimize_widening_mul): New static functions.
839         (pass_optimize_widening_mul): New.
840         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
841         <case MULT_EXPR>: Remove support for widening multiplies.
842         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
843         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
844         simplify_gen_unary rather than directly building extensions.
845         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
846         WIDEN_MULT_EXPR.
847         * expmed.c (expand_widening_mult): New function.
848         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
849
850 2010-04-21  Jan Hubicka  <jh@suse.cz>
851
852         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
853         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
854         * lto-wpa-fixup.c: Remove.
855         * Makefile.in (lto-wpa-fixup.o): Remove.
856         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
857         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
858         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
859
860 2010-04-21  Jan Hubicka  <jh@suse.cz>
861
862         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
863         add write_optimization_summary, read_optimization_summary.
864         (ipa_write_summaries_of_cgraph_node_set): Remove.
865         (ipa_write_optimization_summaries): Declare.
866         (ipa_read_optimization_summaries): Declare.
867         * ipa-cp.c (pass_ipa_cp): Update.
868         * ipa-reference.c (pass_ipa_reference): Update.
869         * ipa-pure-const.c (pass_ipa_pure_const): Update.
870         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
871         Update.
872         * ipa-inline.c (pass_ipa_inline): Update.
873         * ipa.c (pass_ipa_whole_program): Update.
874         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
875         * passes.c (ipa_write_summaries_1): Do not test wpa.
876         (ipa_write_optimization_summaries_1): New.
877         (ipa_write_optimization_summaries): New.
878         (ipa_read_summaries): Do not test ltrans.
879         (ipa_read_optimization_summaries_1): New.
880         (ipa_read_optimization_summaries): New.
881
882 2010-04-21  Jan Hubicka  <jh@suse.cz>
883
884         * lto-cgraph.c (lto_output_node): Do not output comdat groups
885         for boundary nodes.
886         (output_cgraph): Do not arrange comdat groups for boundary nodes.
887
888 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
889
890         PR debug/40040
891         * dwarf2out.c (add_name_and_src_coords_attributes): Add
892         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
893
894 2010-04-21  Jan Hubicka  <jh@suse.cz>
895
896         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
897
898 2010-04-21  Jan Hubicka  <jh@suse.cz>
899
900         * varpool.c (decide_is_variable_needed): Variable is always needed
901         during ltrans.
902
903 2010-04-21  Jan Hubicka  <jh@suse.cz>
904
905         * opts.c (decode_options): Enable pure-const pass for whopr.
906
907 2010-04-21  Jan Hubicka  <jh@suse.cz>
908
909         * cgraph.c (dump_cgraph_node): Dump also assembler name.
910         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
911         at WPA dumping.
912         (cgraph_decide_inlining): Do not expect callee to be removed in all
913         cases.
914
915 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
916
917         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
918
919 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
920
921         * config/i386/i386.md (x86_shrd): Add athlon_decode and
922         amdfam10_decode attributes.
923
924 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
925
926         PR middle-end/43570
927         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
928         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
929         (lower_copyprivate_clauses): Use private var in outer
930         context instead of original var.  Make sure the types
931         are correct for VLAs.
932
933 2010-04-21  Richard Guenther  <rguenther@suse.de>
934
935         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
936         to non-pointer objects.
937
938 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
939
940         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
941         last chain entry if it starts with the still current label.
942         (add_location_or_const_value_attribute): Check that
943         loc_list->first->next is NULL instead of comparing ->first with ->last.
944         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
945         to add_var_loc_to_decl.
946
947         * dwarf2out.c (output_call_frame_info): For dw_cie_version
948         >= 4 add also address size and segment size fields into CIE header.
949
950         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
951         long as address size is the same as sizeof (void *) and
952         segment size is 0.
953         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
954         address size or segment size is unexpected, return DW_EH_PE_omit.
955         (classify_object_over_fdes): If get_cie_encoding returned
956         DW_EH_PE_omit, return -1.
957         (init_object): If classify_object_over_fdes returned -1,
958         pretend there were no FDEs at all.
959
960 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
961
962         * config/i386/i386.md (bswap<mode>2): Macroize expander from
963         bswap{si,di}2 using SWI48 mode iterator.
964         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
965         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
966         set modrm attribute of bswap insn to 0 and remove length attribute.
967         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
968         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
969         set mode attribute to <MODE> and remove length attribute.
970
971 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
972
973         PR rtl-optimization/43520
974         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
975         zero available registers.
976
977 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
978
979         * builtins.c (fold_builtin_cproj): Fold more cases.
980
981 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
982
983         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
984         (fold_builtin_1): Fold builtin cproj.
985         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
986         Use ATTR_CONST_NOTHROW_LIST.
987
988 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
989
990         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
991         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
992         ffsi2_no_cmove for !TARGET_CMOVE.
993         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
994         (ffssi2): Remove expander.
995         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
996         mode iterator.
997         (ctz<mode>2): Ditto from ctz{si,di}2.
998         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
999         mode iterator.
1000         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1001         mode iterator.
1002
1003 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1004
1005         * dwarf2out.c (AT_linkage_name): Define.
1006         (clone_as_declaration): Handle DW_AT_linkage_name.
1007         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1008         of DW_AT_MIPS_linkage_name.
1009         (move_linkage_attr): Likewise.
1010         (dwarf2out_finish): Likewise.
1011
1012 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1013
1014         PR middle-end/41952
1015         * fold-const.c (fold_comparison): New folding rule.
1016
1017 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1018
1019         * double-int.h (double_int_setbit): Declare.
1020         * double-int.c (double_int_setbit): New function.
1021         * rtl.h (immed_double_int_const): Declare.
1022         * emit-rtl.c (immed_double_int_const): New function.
1023         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1024         and immed_double_int_const functions.
1025         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1026         expand_copysign_bit):  (Ditto.).
1027         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1028         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1029         * dojump.c (prefer_and_bit_test): (Ditto.).
1030         * expr.c (convert_modes, reduce_to_bit_field_precision,
1031         const_vector_from_tree): (Ditto.).
1032         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1033
1034 2010-04-20  Jan Hubicka  <jh@suse.cz>
1035
1036         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1037         (dump_cgraph_node): Dump new flags.
1038         * cgraph.h (struct cgraph_node): Add flags
1039         reachable_from_other_partition and in_other_partition.
1040         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1041         other partition can not be removed.
1042         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1043         the other partition must be output; silence sanity checking on
1044         leaking functions bodies from other paritition.
1045         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1046         (lto_output_node): Output new flags; do not sanity check that inline
1047         clones are output; drop lto_forced_extern_inline_p code; do not mock
1048         visibility flags at partition boundaries.
1049         (add_node_to): New function.
1050         (output_cgraph): Use it to sort functions so masters appear before
1051         clones.
1052         (input_overwrite_node): Input new flags.
1053         * passes.c (ipa_write_summaries): Do not call
1054         lto_new_extern_inline_states.
1055         * lto-section-out.c (forced_extern_inline,
1056         lto_new_extern_inline_states lto_delete_extern_inline_states,
1057         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1058         * lto-streamer.h (lto_new_extern_inline_states,
1059         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1060         lto_forced_extern_inline_p): Kill.
1061
1062 2010-04-20  Richard Guenther  <rguenther@suse.de>
1063
1064         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1065         from vars that can have pointers.
1066         (process_constraint): Dump useless constraints.
1067
1068 2010-04-20  Richard Guenther  <rguenther@suse.de>
1069
1070         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1071         (dump_sa_points_to_info): Remove asserts.
1072         (init_base_vars): nothing_id isn't an escape point nor does it
1073         have pointers.
1074
1075 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1076
1077         * tree.h (TYPE_REF_IS_RVALUE): Define.
1078         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1079         should_move_die_to_comdat, prune_unused_types_walk): Handle
1080         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1081         (modified_type_die, gen_reference_type_die): Emit
1082         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1083         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1084
1085 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1086
1087         PR target/43635
1088         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1089         calls for -fpic -m31 if they have been sibcall optimized.
1090
1091 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1092
1093         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1094         ar.lc fixed and call-used.
1095
1096         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1097
1098 2010-04-19  Jan Hubicka  <jh@suse.cz>
1099
1100         * opts.c (decode_options): Disable whpr incompatible passes.
1101         * lto/lto.c (lto_1_to_1_map): Skip clones.
1102         (read_cgraph_and_symbols): Do not mark everything as needed.
1103         (do_whole_program_analysis): Do map only after optimizing;
1104         set proper cgraph_state; use passmanager.
1105
1106 2010-04-19  DJ Delorie  <dj@redhat.com>
1107
1108         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1109         POINTER_PLUS_EXPR and fix them.
1110
1111 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1112
1113         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1114         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1115         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1116         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1117         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1118         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1119         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1120         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1121         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1122         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1123         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1124
1125 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1126
1127         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1128         (check_cond_move_block): Likewise.
1129         (cond_move_process_if_block): Likewise.
1130         (noce_find_if_block): Improve formatting.
1131         (find_if_header): Pass 0 to memset and tweak conditions.
1132         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1133
1134 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1135
1136         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1137         for -gdwarf-4.
1138
1139         PR middle-end/43337
1140         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1141         with non-local decl doesn't need chain.
1142
1143 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1144
1145         * ira-color.c (allocno_reload_assign): Avoid accumulating
1146         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1147
1148 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1149
1150         * gimple.h (create_tmp_reg): Declare.
1151         * gimplify.c (create_tmp_reg): New function.
1152         (gimplify_return_expr): Use create_tmp_reg.
1153         (gimplify_omp_atomic): Likewise.
1154         (gimple_regimplify_operands): Likewise.
1155         * tree-dfa.c (make_rename_temp): Likewise.
1156         * tree-predcom.c (predcom_tmp_var): Likewise.
1157         (reassociate_to_the_same_stmt): Likewise.
1158         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1159         (get_replaced_param_substitute): Likewise.
1160         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1161         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1162         * tree-ssa-pre.c (get_representative_for): Likewise.
1163         (create_expression_by_pieces): Likewise.
1164         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1165         (create_tailcall_accumulator): Likewise.
1166
1167 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1168
1169         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1170         new_stmt.
1171         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1172
1173 2010-04-19  Richard Guenther  <rguenther@suse.de>
1174
1175         PR tree-optimization/43796
1176         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1177         from SCEV in the lattice.
1178         (vrp_visit_phi_node): Dump change.
1179
1180 2010-04-19  Richard Guenther  <rguenther@suse.de>
1181
1182         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1183         * configure: Re-generated.
1184
1185 2010-04-19  Richard Guenther  <rguenther@suse.de>
1186
1187         PR tree-optimization/43783
1188         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1189         constant ARRAY_REF operands two and three if possible.
1190
1191 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1192
1193         PR target/43766
1194         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1195
1196 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1197
1198         PR target/43662
1199         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1200
1201 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1202
1203         PR tree-optimization/37027
1204         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1205         and macro to access it.
1206         (vectorizable_reduction): Add argument.
1207         (vect_get_slp_defs): Likewise.
1208         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1209         statements for possible use in SLP.
1210         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1211         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1212         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1213         add new argument.
1214         (vectorizable_reduction): Likewise.
1215         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1216         vect_get_slp_defs.
1217         (vectorizable_type_demotion, vectorizable_type_promotion,
1218         vectorizable_store): Likewise.
1219         (vect_analyze_stmt): Update call to vectorizable_reduction.
1220         (vect_transform_stmt): Likewise.
1221         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1222         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1223         from different interleaving chains in same node.
1224         (vect_slp_rearrange_stmts): New function.
1225         (vect_supported_load_permutation_p): Allow load permutations for
1226         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1227         inside SLP nodes if necessary.
1228         (vect_analyze_slp_instance): Handle reductions.
1229         (vect_analyze_slp): Try to build SLP instances originating from groups
1230         of reductions.
1231         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1232         (vect_get_constant_vectors): Create initial vectors for reductions
1233         according to reduction code. Add new argument.
1234         (vect_get_slp_defs): Add new argument, pass it to
1235         vect_get_constant_vectors.
1236         (vect_schedule_slp_instance): Remove SLP tree root statements.
1237
1238 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1239
1240         * tree.h (ENUM_IS_SCOPED): Define.
1241         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1242         for ENUM_IS_SCOPED enums.
1243
1244 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1245
1246         * fold-const.c (fold_comparison): Use ssizetype.
1247         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1248         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1249         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1250         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1251
1252         * tree.h (initialize_sizetypes): Remove parameter.
1253         (build_common_tree_nodes): Remove second parameter.
1254         * stor-layout.c (initialize_sizetypes): Remove parameter.
1255         Always create an unsigned type.
1256         (set_sizetype): Assert that the passed type is unsigned and simplify.
1257         * tree.c (build_common_tree_nodes): Remove second parameter.
1258         Adjust call to initialize_sizetypes.
1259         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1260         build_common_tree_nodes.
1261
1262 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1263
1264         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1265
1266 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1267
1268         PR tree-optimization/43771
1269         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1270         load permutation doesn't have gaps.
1271
1272 2010-04-18  Jan Hubicka  <jh@suse.cz>
1273
1274         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1275         (sse_prologue_save_insn expander): Use new pattern.
1276         (sse_prologue_save_insn1): New pattern and splitter.
1277         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1278         blocks.
1279         * i386.c (setup_incoming_varargs_64): Do not compute jump
1280         destination here.
1281         (ix86_gimplify_va_arg): Update alignment needed.
1282         (ix86_local_alignment): Do not align all local arrays to 128bit.
1283
1284 2010-04-17  Jan Hubicka  <jh@suse.cz>
1285
1286         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1287
1288 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1289
1290         * arm.md (negdi2): Remove redundant code to force values into a
1291         register.
1292
1293 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1294
1295         * arm/bpabi.S: Add EABI alignment attributes to objects.
1296         * arm/bpabi-v6m.S: Likewise.
1297         * arm/crti.asm: Likewise.
1298         * arm/crtn.asm: Likewise.
1299         * arm/lib1funcs.asm: Likewise.
1300         * arm/libunwind.S: Likewise.
1301
1302 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1303
1304         * arm-protos.h (tune_params): New structure.
1305         * arm.c (current_tune): New variable.
1306         (arm_constant_limit): Delete.
1307         (struct processors): Add pointer to the tune parameters.
1308         (arm_slowmul_tune): New tuning option.
1309         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1310         (all_cores): Adjust to pick up the tuning model.
1311         (arm_constant_limit): New function.
1312         (arm_override_options): Select the appropriate tuning model.  Delete
1313         initialization of arm_const_limit.
1314         (arm_split_constant): Use the new constant-limit model.
1315         (arm_rtx_costs): Pick up the current tuning model.
1316         * arm.md (is_strongarm, is_xscale): Delete.
1317         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1318         for Xscale variant architectures.
1319         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1320
1321 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1322
1323         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1324         can_shift.
1325         (arm_rtx_costs_1): Remove unused variable extra_cost.
1326         (arm_unwind_emit_set): Use variable offset.
1327         (thumb1_output_casesi): Remove unused variable flags.
1328
1329 2010-04-16  Jeff Law  <law@redhat.com>
1330
1331         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1332         needing assignment rather than doing a two-phase assignment.  Remove
1333         unused variable 'm'.
1334
1335 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1336
1337         PR bootstrap/43767
1338         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1339
1340 2010-04-16  Doug Kwan  <dougkwan@google.com>
1341
1342         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1343         (next_operand_entry_id): New static variable.
1344         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1345         (add_to_ops_vec): Assigned unique ID to operand entry.
1346         (struct oecount_s): New field ID.
1347         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1348         (undistribute_ops_list): Assign unique IDs to oecounts.
1349         (init_reassoc): reset next_operand_entry_id.
1350
1351 2010-04-16  Doug Kwan  <dougkwan@google.com>
1352
1353         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1354         missing left parenthesis.
1355
1356 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1357
1358         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1359         *btdi_rex64 using SWI48 mode iterator.
1360         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1361         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1362         *jcc_btdi_mask_rex64.
1363
1364 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1365
1366         * double-int.h (tree_to_double_int): Convert to macro.
1367         * double-int.c (tree_to_double_int): Remove.
1368
1369 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1370
1371         PR debug/43762
1372         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1373         with want_address 2 and in case a single element list might be
1374         possible, call it again with want_address 0.
1375
1376 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1377
1378         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1379         case 'W' print operands for HI mode.
1380         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1381         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1382         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1383         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1384
1385         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1386
1387         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1388         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1389         #xx:3 and #xx:4 mode.
1390
1391         * config/h8300/h8300.md (inverted load with HImode dest): Add
1392         support for H8300SX.
1393
1394         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1395         satisfy 'U' constraint.
1396
1397 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1398
1399         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1400         * configure: Regenerate.
1401         * config.in: Regenerate.
1402         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1403         works.
1404
1405 2010-04-16  Richard Guenther  <rguenther@suse.de>
1406
1407         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1408         (struct tree_decl_common): ... here.
1409         (DECL_PT_UID): Adjust.
1410         (SET_DECL_PT_UID): Likewise.
1411         (DECL_PT_UID_SET_P): Likewise.
1412
1413 2010-04-16  Richard Guenther  <rguenther@suse.de>
1414
1415         PR tree-optimization/43572
1416         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1417         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1418         * tree-flow.h (is_call_clobbered): Remove.
1419         * tree-flow-inline.h (is_call_clobbered): Likewise.
1420         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1421         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1422         (execute_return_slot_opt): Adjust.
1423         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1424         check for call clobbered vars here.
1425         (find_tail_calls): Move tailcall verification to the
1426         proper place.
1427
1428 2010-04-16  Diego Novillo  <dnovillo@google.com>
1429
1430         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1431
1432 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1433
1434         PR target/40603
1435         * config/arm/arm.md (cbranchqi4): New pattern.
1436         * config/arm/predicates.md (const0_operand,
1437         cbranchqi4_comparison_operator): New predicates.
1438
1439 2010-04-16  Richard Guenther  <rguenther@suse.de>
1440
1441         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1442         (dump_gimple_stmt): Likewise.
1443
1444 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1445
1446         * recog.h (struct recog_data): New field is_operator.
1447         (struct insn_operand_data): New field is_operator.
1448         * recog.c (extract_insn): Set recog_data.is_operator.
1449         * genoutput.c (output_operand_data): Emit code to set the
1450         is_operator field.
1451         * reload.c (find_reloads): Use it rather than testing for an
1452         empty constraint string.
1453
1454         PR target/41514
1455         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1456         If the previous insn is a cbranchsi4_insn with the same arguments,
1457         omit the compare instruction.
1458
1459         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1460         register, inputs must be low registers and we need a low register
1461         scratch.  Handle alternative 2 like alternative 3.
1462
1463 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1464
1465         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1466         don't call get_addr on both.  If one expression is a VALUE and
1467         the other a REG, check VALUE's locs if the REG isn't among them.
1468
1469 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1470
1471         * config/sh/sh.h (sh_frame_pointer_required): New function.
1472         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1473         (flag_omit_frame_pointer) Set.
1474         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1475         (rounded_frame_size): Adjust size with outgoing_args_size.
1476         (sh_set_return_address): Must return from stack pointer.
1477         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1478         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1479         (ACCUMULATE_OUTGOING_ARGS): Define.
1480         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1481         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1482
1483 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1484
1485         PR target/43471
1486         * config/sh/sh.c (sh_legitimize_reload_address): Use
1487         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1488         Remove a unneeded check for offset_base.
1489
1490 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1491
1492         * configure: Regenerated.
1493
1494 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1495
1496         * config/s390/s390.c (s390_call_save_register_used): Switch back
1497         to HARD_REGNO_NREGS.
1498
1499 2010-04-15  Richard Guenther  <rguenther@suse.de>
1500
1501         * alias.c (alias_set_subset_of): Handle alias-set zero
1502         child properly.
1503
1504 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1505             Julian Brown  <julian@codesourcery.com>
1506
1507         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1508         alternatives according to use of high and low regs.
1509         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1510         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1511         optimizing for size on Thumb-2.
1512
1513 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1514
1515         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1516
1517 2010-04-15  Richard Guenther  <rguenther@suse.de>
1518
1519         * tree-ssa-structalias.c (struct variable_info): Add
1520         is_fn_info flag.
1521         (new_var_info): Initialize it.
1522         (dump_constraints): Support printing last added constraints.
1523         (debug_constraints): Adjust.
1524         (dump_constraint_graph): Likewise.
1525         (make_heapvar_for): Check for NULL cfun.
1526         (get_function_part_constraint): New function.
1527         (get_fi_for_callee): Likewise.
1528         (find_func_aliases): Properly implement IPA PTA constraints.
1529         (process_ipa_clobber): New function.
1530         (find_func_clobbers): Likewise.
1531         (insert_into_field_list_sorted): Remove.
1532         (create_function_info_for): Properly allocate vars for IPA mode.
1533         Do not use insert_into_field_list_sorted.
1534         (create_variable_info_for): Properly generate constraints for
1535         global vars in IPA mode.
1536         (dump_solution_for_var): Always dump the solution.
1537         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1538         (find_what_var_points_to): Adjust.
1539         (pt_solution_set): Change.
1540         (pt_solution_ior_into): New function.
1541         (pt_solution_empty_p): Export.
1542         (pt_solution_includes_global): Adjust.
1543         (pt_solution_includes_1): Likewise.
1544         (pt_solutions_intersect_1): Likewise.
1545         (dump_sa_points_to_info): Check some invariants.
1546         (solve_constraints): Move constraint dumping ...
1547         (compute_points_to_sets): ... here.
1548         (ipa_pta_execute): ... and here.
1549         (compute_may_aliases): Do not re-compute points-to info
1550         locally if IPA info is available.
1551         (ipa_escaped_pt): New global var.
1552         (ipa_pta_execute): Properly implement IPA PTA.
1553         * tree-into-ssa.c (dump_decl_set): Support dumping
1554         decls not in referenced-vars.
1555         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1556         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1557         (dump_points_to_solution): Likewise.
1558         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1559         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1560         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1561         (copy_decl_to_var): Copy DECL_PT_UID.
1562         (copy_result_decl_to_var): Likewise.
1563         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1564         (copy_node_stat): Copy it.
1565         * tree.h (DECL_PT_UID): New macro.
1566         (SET_DECL_PT_UID): Likewise.
1567         (DECL_PT_UID_SET_P): Likewise.
1568         (struct tree_decl_minimal): Add pt_uid member.
1569         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1570         (pt_solution_empty_p): Declare.
1571         (pt_solution_set): Adjust.
1572         (ipa_escaped_pt): Declare.
1573         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1574         * gimple-pretty-print.c (pp_points_to_solution): New function.
1575         (dump_gimple_call): Dump call clobber/use information.
1576         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1577         * tree-pass.h (TDF_ALIAS): New dump option.
1578         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1579         * doc/invoke.texi (-fipa-pta): Update documentation.
1580
1581 2010-04-15  Richard Guenther  <rguenther@suse.de>
1582
1583         * Makefile.in (OBJS-common): Add gimple-fold.o.
1584         (gimple-fold.o): New rule.
1585         * tree.h (maybe_fold_offset_to_reference,
1586         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1587         prototypes ...
1588         * gimple.h: ... here.
1589         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1590         may_propagate_address_into_dereference): Move prototypes ...
1591         * gimple.h: ... here.
1592         * tree-ssa-ccp.c (get_symbol_constant_value,
1593         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1594         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1595         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1596         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1597         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1598         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1599         gimplify_and_update_call_from_tree): Move ...
1600         * gimple-fold.c: ... here.  New file.
1601         (ccp_fold_builtin): Rename to ...
1602         (gimple_fold_builtin): ... this.
1603         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1604
1605 2010-04-15  Richard Guenther  <rguenther@suse.de>
1606
1607         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1608         fit_double_type, force_fit_type_double, add_double_with_sign,
1609         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1610         lrotate_double, rrotate_double, div_and_round_double): Move ...
1611         * double-int.c: ... here.
1612         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1613         add_double, neg_double, mul_double_with_sign, mul_double,
1614         lshift_double, rshift_double, lrotate_double, rrotate_double,
1615         div_and_round_double): Move prototypes ...
1616         * double-int.h: ... here.
1617
1618 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1619
1620         PR target/43742
1621         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1622         matching constraints to ensure inputs match the output.
1623
1624 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1625
1626         PR target/43742
1627         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1628         in an input-only operand.
1629
1630 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1631
1632         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1633         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1634         (double_int_negative_p): Convert to static inline function.
1635         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1636         (double_int_negative_p): Remove.
1637         * tree.h (lshift_double, rshift_double):
1638         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1639         * fold-const.c (fold_convert_const_int_from_real,
1640         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1641         (lshift_double): Change type of arith argument to bool.
1642         (rshift_double): Change type of arith argument to bool. Correct
1643         comment.
1644         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1645
1646 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1647
1648         PR target/21803
1649         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1650         at the start and end of the then/else blocks, and omit them from the
1651         conversion.
1652         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1653         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1654         (flow_find_head_matching_sequence): New function.
1655         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1656         * basic-block.h (flow_find_cross_jump,
1657         flow_find_head_matching_sequence): Declare functions.
1658
1659 2010-04-14  Jason Merrill  <jason@redhat.com>
1660
1661         PR c++/36625
1662         * c-common.c (attribute_takes_identifier_p): New fn.
1663         * c-common.h: Declare it.
1664
1665 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1666
1667         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1668         splitter condition.
1669         (*udivmod<mode>4): Ditto.
1670
1671 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1672
1673         * config/i386/i386.md (maxmin_int): Rename code attribute from
1674         maxminiprefix and update all users.
1675         (maxmin_float): Ditto from maxminfprefix.
1676         (logic): Ditto from logicprefix.
1677         (absneg_mnemonic): Ditto from absnegprefix.
1678         * config/i386/mmx.md: Update all users of maxminiprefix,
1679         maxminfprefix and logicprefix for rename.
1680         * config/i386/sse.md: Ditto.
1681         * config/i386/sync.md (sync_<code><mode>): Update for
1682         logicprefix rename.
1683
1684 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1685
1686         PR 42966
1687         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1688         warnings converted to errors.
1689
1690 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1691
1692         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1693         used insn_type variable.
1694         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1695         to avoid set-but-not-used warning.
1696
1697 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1698
1699         * df-core.c (df_ref_debug): Change format string placeholder
1700         from 0x%x to %#x.
1701         * dwarf2asm.c (dw2_asm_output_data_raw,
1702         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1703         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1704         * dwarf2out.c (output_cfi, output_cfi_directive,
1705         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1706         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1707         Ditto.
1708         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1709         * print-rtl.c (print_rtx): Ditto.
1710
1711 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1712
1713         PR middle-end/42694
1714         * builtins.c (expand_builtin_pow_root): New function to expand pow
1715         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1716         series of sqrt and cbrt calls under -ffast-math.
1717         (expand_builtin_pow): Call it.
1718
1719 2010-04-14  Michael Matz  <matz@suse.de>
1720
1721         PR tree-optimization/42963
1722         * tree-cfg.c (touched_switch_bbs): New static variable.
1723         (group_case_labels_stmt): New function broken out from ...
1724         (group_case_labels): ... here, use the above.
1725         (start_recording_case_labels): Allocate touched_switch_bbs.
1726         (end_recording_case_labels): Deallocate it, call
1727         group_case_labels_stmt.
1728         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1729
1730 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1731
1732         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1733         from insn template.
1734
1735 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1736
1737         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1738
1739 2010-04-13  Jan Hubicka  <jh@suse.cz>
1740
1741         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1742         of optimized out static functions.
1743         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1744         cost computation.  Also sanity check for overflows.
1745         (update_caller_keys): Update cgraph_edge_badness call; properly
1746         update fibheap and sanity check that it is up to date.
1747         (add_new_edges_to_heap): Update cgraph_edge_badness.
1748         (cgraph_decide_inlining_of_small_function): Likewise;
1749         add sanity checking that badness in heap is up to date;
1750         improve dumping of reason; Update badness of calls to the
1751         offline copy of function currently inlined; dump badness
1752         of functions not inlined because of unit growth limits.
1753
1754 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1755
1756         PR middle-end/32628
1757         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1758         because of sign-extension change when converting to sizetype here...
1759         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1760
1761         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1762         the folding to constants.  Remove redundant final conversion.
1763         (fold_binary) <associate>: Do not associate if the re-association of
1764         constants alone overflows.
1765         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1766         to the end of the list.
1767         (multiple_of_p) <COND_EXPR>: New case.
1768
1769 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1770
1771         * opt-functions.awk (opt_sanitized_name): New.
1772         (opt_enum): New.
1773         * optc-gen.awk: Use it
1774         * opth-gen.awk: Use it.
1775
1776 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1777
1778         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1779         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1780         children.  Call replace_uses_with_default_def_ssa_name to handle
1781         SSA_NAES on lhs.
1782
1783 2010-04-13  Michael Matz  <matz@suse.de>
1784
1785         PR middle-end/43730
1786         * builtins.c (expand_builtin_interclass_mathfn): Also create
1787         a register if the predicate doesn't match.
1788
1789 2010-04-13  Diego Novillo  <dnovillo@google.com>
1790
1791         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1792         * c-pch.c: Include timevar.h.
1793         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1794         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1795         * ggc-common.c: Include timevar.h.
1796         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1797         * timevar.def (TV_PCH_SAVE): Define.
1798         (TV_PCH_CPP_SAVE): Define.
1799         (TV_PCH_PTR_REALLOC): Define.
1800         (TV_PCH_PTR_SORT): Define.
1801         (TV_PCH_RESTORE): Define.
1802         (TV_PCH_CPP_RESTORE): Define.
1803
1804 2010-04-13  Michael Matz  <matz@suse.de>
1805
1806         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1807         into MINUS_EXPRs.
1808         (can_reassociate_p): New function.
1809         (break_up_subtract_bb, reassociate_bb): Use it.
1810
1811 2010-04-13  Richard Guenther  <rguenther@suse.de>
1812
1813         PR bootstrap/43737
1814         * builtins.c (c_readstr): Fix assert.
1815
1816 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1817
1818         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1819         when generating cltd insn.
1820
1821         (*ashl<mode>3_1): Remove special handling for register operand 2.
1822         (*ashlsi3_1_zext): Ditto.
1823         (*ashlhi3_1): Ditto.
1824         (*ashlhi3_1_lea): Ditto.
1825         (*ashlqi3_1): Ditto.
1826         (*ashlqi3_1_lea): Ditto.
1827         (*<shiftrt_insn><mode>3_1): Ditto.
1828         (*<shiftrt_insn>si3_1_zext): Ditto.
1829         (*<shiftrt_insn>qi3_1_slp): Ditto.
1830         (*<rotate_insn><mode>3_1): Ditto.
1831         (*<rotate_insn>si3_1_zext): Ditto.
1832         (*<rotate_insn>qi3_1_slp): Ditto.
1833
1834 2010-04-13  Richard Guenther  <rguenther@suse.de>
1835
1836         * tree-ssa-structalias.c (callused_id): Remove.
1837         (call_stmt_vars): New.
1838         (get_call_vi): Likewise.
1839         (lookup_call_use_vi): Likewise.
1840         (lookup_call_clobber_vi): Likewise.
1841         (get_call_use_vi): Likewise.
1842         (get_call_clobber_vi): Likewise.
1843         (make_transitive_closure_constraints): Likewise.
1844         (handle_const_call): Adjust to do per-call call-used handling.
1845         (handle_pure_call): Likewise.
1846         (find_what_var_points_to): Remove general callused handling.
1847         (init_base_vars): Likewise.
1848         (init_alias_vars): Initialize call_stmt_vars.
1849         (compute_points_to_sets): Process call-used and call-clobbered
1850         vars for call statements.
1851         (delete_points_to_sets): Free call_stmt_vars.
1852
1853 2010-04-13  Richard Guenther  <rguenther@suse.de>
1854
1855         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1856         Only add RW dependence for dependence distance zero.
1857         Adjust maximal vectorization factor according to dependences.
1858         Move alignment handling ...
1859         (vect_find_same_alignment_drs): ... here.  New function.
1860         (vect_analyze_data_ref_dependences): Adjust.
1861         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1862         (vect_analyze_data_refs): Adjust minimal vectorization factor
1863         according to data references.
1864         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1865         dependences before determining the vectorization factor.
1866         Analyze alignment after determining the vectorization factor.
1867         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1868         dependences before alignment.
1869         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1870         Adjust prototype.
1871         (vect_analyze_data_refs): Likewise.
1872         (MAX_VECTORIZATION_FACTOR): New define.
1873
1874 2010-04-13  Duncan Sands  <baldrick@free.fr>
1875
1876         * except.h (lang_eh_type_covers): Remove.
1877         * except.c (lang_eh_type_covers): Likewise.
1878
1879 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1880             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1881
1882         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1883         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1884         UNITS_PER_LONG where it is ABI relevant.
1885         (s390_return_addr_rtx): Likewise.
1886         (s390_back_chain_rtx): Likewise.
1887         (s390_frame_area): Likewise.
1888         (s390_frame_info): Likewise.
1889         (s390_initial_elimination_offset): Likewise.
1890         (save_gprs): Likewise.
1891         (s390_emit_prologue): Likewise.
1892         (s390_emit_epilogue): Likewise.
1893         (s390_function_arg_advance): Likewise.
1894         (s390_function_arg): Likewise.
1895         (s390_va_start): Likewise.
1896         (s390_gimplify_va_arg): Likewise.
1897         (s390_function_profiler): Likewise.
1898         (s390_optimize_prologue): Likewise.
1899         (s390_rtx_costs): Likewise.
1900         (s390_secondary_reload): Likewise.
1901         (s390_promote_function_mode): Likewise.
1902         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1903         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1904         registers available.
1905         (s390_unwind_word_mode): New function.
1906         (s390_function_value): Split 64 bit values into register pair if
1907         used as return value.
1908         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1909         function call parameters.  Handle parallels.
1910         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1911         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1912         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1913         (s390_expand_setmem): Remove unused variable src_addr.
1914         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1915         deal with 64 bit registers.
1916         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1917         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1918         (UNITS_PER_LONG): New macro.
1919         * libjava/include/s390-signal.h: Define extended ucontext
1920         structure containing the upper halfs of the 64 bit registers.
1921
1922 2010-04-13  Simon Baldwin  <simonb@google.com>
1923
1924         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1925
1926 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1927
1928         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1929         rvalue on the RHS if the LHS is of a non-renamable type.
1930         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1931
1932 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1933
1934         * gcc.c (cc1_options): Handle -iplugindir before processing
1935         the cc1 spec. Only add -iplugindir once.
1936         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1937         found.
1938         * common.opt (iplugindir): Remove `Separate' property, initialize.
1939         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1940         option.
1941         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1942         (distclean): Remove plugin dir.
1943         * doc/invoke.texi: Document -iplugindir.
1944
1945 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1946
1947         * doc/plugins.texi (Loading Plugins): Document short
1948         -fplugin=foo option.
1949         (Plugin API): Mention default_plugin_dir_name function.
1950
1951         * gcc.c (find_file_spec_function): Add new declaration.
1952         (static_spec_func): Use it for "find-file".
1953         (find_file_spec_function): Add new function.
1954         (cc1_options): Add -iplugindir option if -fplugin* options found.
1955
1956         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1957
1958         * plugin.c (add_new_plugin): Updated comment, and handle short
1959         plugin name.
1960         (default_plugin_dir_name): Added new function.
1961
1962         * common.opt (iplugindir): New option to set the plugin directory.
1963
1964 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1965
1966         * config/i386/i386.md (any_rotate): New code iterator.
1967         (rotate_insn): New code attribute.
1968         (rotate): Ditto.
1969         (SWIM124): New mode iterator.
1970         (<rotate_insn>ti3): New expander.
1971         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1972         any_rotate code iterator.
1973         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1974         using any_rotate code iterator and SWIM124 mode iterator.
1975         (ix86_rotlti3): New insn_and_split pattern.
1976         (ix86_rotrti3): Ditto.
1977         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1978         ix86_rotl{di,ti}3 patterns.
1979         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1980         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1981         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1982         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1983         code iterator and SWI mode iterator.
1984         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1985         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1986         code iterator.
1987         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1988         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1989         (bswap rotatert splitter): Add splitter.
1990         (bswap splitter): Macroize splitter using any_rotate code iterator.
1991         Add insn predicate to split only for TARGET_USE_XCHGB or when
1992         optimizing function for size.
1993
1994 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1995
1996         * config/pa/pa.c (emit_move_sequence): Remove use of
1997         deleted variable flag_argument_noalias.
1998
1999 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2000
2001         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2002         configurations.
2003         Add to unsupported targets list.
2004         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2005         sparc*-sun-solaris2.[567]* from target lists.
2006         * configure: Regenerate.
2007         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2008         removal.
2009         Remove Solaris 7 patch references.
2010         (Specific, sparc-sun-solaris2.7): Removed.
2011         (sparc-sun-solaris2*): Update Solaris 7 example.
2012         (sparc64-*-solaris2*): Likewise.
2013
2014 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2015
2016         * config.build (alpha*-dec-osf4*): Remove.
2017         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2018         of obsolete configurations.
2019         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2020         support.
2021         * config/alpha/t-osf4: Renamed to ...
2022         * config/alpha/t-osf5: ... this.
2023         * config/alpha/osf.h: Renamed to ...
2024         * config/alpha/osf5.h: ... this.
2025         Merged old osf5.h contents.
2026         Update comments.
2027         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2028         (EXTRA_SPECS): Removed.
2029         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2030         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2031         Document that.
2032
2033 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2034
2035         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2036
2037 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2038
2039         PR/43702
2040         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2041         __thiscall convention.
2042
2043 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2044
2045         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2046         orig_base.
2047         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2048
2049 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2050
2051         * function.c (assign_parms_initialize_all): Add unused attribute
2052         to fntype.
2053
2054 2010-04-12  Richard Guenther  <rguenther@suse.de>
2055
2056         * gsstruct.def (GSS_CALL): New.
2057         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2058         * gimple.h: Include tree-ssa-alias.h.
2059         (struct gimple_statement_call): New.
2060         (union gimple_statement_struct_d): Add gimple_call member.
2061         (gimple_call_reset_alias_info): Declare.
2062         (gimple_call_use_set): New function.
2063         (gimple_call_clobber_set): Likewise.
2064         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2065         * gimple.c (gimple_call_reset_alias_info): New function.
2066         (gimple_build_call_1): Call it.
2067         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2068         * tree-inline.c (remap_gimple_stmt): Likewise.
2069         (expand_call_inline): Remove callused handling.
2070         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2071         * tree-dfa.c (dump_variable): Likewise.
2072         * tree-parloops.c (parallelize_loops): Likewise.
2073         * tree-ssa.c (init_tree_ssa): Likewise.
2074         (delete_tree_ssa): Likewise.
2075         * tree-flow-inline.h (is_call_used): Remove.
2076         * tree-flow.h (struct gimple_df): Remove callused member.
2077         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2078         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2079         (ref_maybe_used_by_call_p_1): Simplify.
2080         (call_may_clobber_ref_p_1): Likewise.
2081         * tree-ssa-structalias.c (compute_points_to_sets): Set
2082         the call stmt used and clobbered sets.
2083         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2084         (find_tail_calls): Verify the tail call.
2085
2086 2010-04-12  Richard Guenther  <rguenther@suse.de>
2087
2088         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2089         single-iteration always-inline inlining.
2090         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2091         (cgraph_decide_inlining): Do not handle always-inline specially.
2092         (try_inline): Remove always-inline cycle detection special case.
2093         Do not recurse on always-inlines.
2094         (cgraph_early_inlining): Do not iterate if not optimizing.
2095         (cgraph_gate_early_inlining): remove.
2096         (pass_early_inline): Run unconditionally.
2097         (gate_cgraph_decide_inlining): New function.
2098         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2099         not inlining or optimizing.
2100         (cgraph_decide_inlining_of_small_functions): Also consider
2101         always-inline functions.
2102         (cgraph_default_inline_p): Return true for nodes which should
2103         disregard inline limits.
2104         (estimate_function_body_sizes): Assume zero size and time for
2105         nodes which are marked as disregarding inline limits.
2106         (cgraph_decide_recursive_inlining): Do not perform recursive
2107         inlining on always-inline nodes.
2108
2109 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2110
2111         PR bootstrap/43699
2112         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2113         for exprs satisfying handled_component_p.
2114
2115 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2116
2117         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2118         non-constant aggregate elements.
2119
2120         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2121         is a real initialization.
2122
2123 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2124
2125         PR c/36774
2126         * c-decl.c (start_function): Move forward check for nested function.
2127
2128 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2129
2130         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2131         * config/sh/sh.c: Include reload.h.
2132         (sh_legitimize_reload_address): New.
2133         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2134         sh_legitimize_reload_address.
2135
2136 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2137
2138         * config/sh/sh.md (*movqi_pop): New insn pattern.
2139         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2140
2141 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2142
2143         * config/i386/i386.md (any_shiftrt): New code iterator.
2144         (shiftrt_insn): New code attribute.
2145         (shiftrt): Ditto.
2146         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2147         using any_shiftrt code iterator.
2148         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2149         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2150         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2151         pattern from corresponding peephole2 patterns.
2152         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2153         using any_shiftrt code iterator.
2154         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2155         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2156         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2157         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2158         *{ashr,lshr}<mode>3_cmp_zext.
2159         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2160
2161 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2162
2163         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2164         scratch register.
2165         (*lshr<mode>3_cconly): Ditto.
2166
2167 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2168
2169         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2170         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2171         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2172         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2173         DWI mode iterator.
2174         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2175         from corresponding peephole2 patterns.
2176         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2177         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2178         and *lshrdi3_1_rex64 using SWI mode iterator.
2179         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2180         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2181         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2182         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2183         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2184         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2185         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2186         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2187         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2188         SWI mode iterator.
2189
2190 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2191
2192         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2193         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2194         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2195         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2196         DWI mode iterator.
2197         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2198         from corresponding peephole2 patterns.
2199         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2200         (ashrsi3_cvt): Rename from ashrsi3_31.
2201         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2202         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2203         and x86_64_shift_adj_3 using SWI48 mode iterator.
2204         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2205         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2206         and *ashrdi3_1_rex64 using SWI mode iterator.
2207         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2208         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2209         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2210         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2211         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2212         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2213         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2214         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2215         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2216         SWI mode iterator.
2217         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2218         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2219         x86_shift<mode>_adj_3 expanders.
2220
2221 2010-04-10  Wei Guozhi  <carrot@google.com>
2222
2223         PR target/42601
2224         * config/arm/arm.c (arm_pic_static_addr): New function.
2225         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2226         a static symbol.
2227         (arm_output_addr_const_extra): Output expression for new pattern.
2228         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2229
2230 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2231
2232         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2233         not enabled.
2234
2235         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2236         * web.c: Include "insn-config.h" and "recog.h".
2237         (union_match_dups): New function.
2238         (web_main): Call it.
2239         (union_defs): Don't try to recognize match_dups.
2240
2241         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2242         if doing so would replace the entire pattern.
2243
2244 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2245
2246         PR target/43707
2247         PR target/43709
2248         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2249         and splitter pattern.  Change splitter operand 1 predicate to
2250         nonmemory_operand.
2251
2252 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2253
2254         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2255         lattices are addresses of CONST_DECLs with the same initial value.
2256         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2257         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2258
2259 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2260             Bernd Schmidt  <bernds@codesourcery.com>
2261
2262         * loop-invariant.c (replace_uses): New static function.
2263         (move_invariant_reg): Use it to ensure we can replace the uses.
2264
2265 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2266
2267         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2268         function template.
2269         (picochip_override_options): Enable section anchors only above -O1.
2270         (picochip_reorg): Fixed a couple of build warnings.
2271
2272 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2273
2274         * configure.ac (plugin -rdynamic test): Log result.
2275         * configure: Regenerate.
2276         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2277         (RDYNAMIC_SPEC): Define.
2278         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2279
2280 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2281
2282         * configure.ac: Determine Sun ld version numbers.
2283         (comdat_group): Restrict GNU ld version checks to gld.
2284         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2285         (enable_comdat): Support --enable-comdat.
2286         * configure: Regenerate.
2287         * doc/install.texi (Configuration): Document --enable-comdat.
2288
2289 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2290
2291         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2292         * config/sol2-gld.h: ... here.
2293         * config.gcc (sparc*-*-solaris2*): Reflect this.
2294         (i[34567]86-*-solaris2*): Use it.
2295
2296 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2297
2298         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2299         setup_clocks_p.
2300         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2301
2302 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2303
2304         PR 42965
2305         * diagnostic.c (diagnostic_initialize): Initialize
2306         some_warnings_are_errors.
2307         (diagnostic_finish): New.
2308         (diagnostic_action_after_output): Call it before exiting.
2309         (diagnostic_report_diagnostic): Do not print message here. Set
2310         some_warnings_are_errors.
2311         * diagnostic.h (diagnostic_context): Delete
2312         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2313         (diagnostic_finish): Declare.
2314         * toplev.c (toplev_main): Call it before exit.
2315
2316 2010-04-09  Jason Merrill  <jason@redhat.com>
2317
2318         PR c++/42623
2319         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2320         for incomplete type.
2321
2322         PR c++/41788
2323         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2324         based on a warning flag.
2325
2326 2010-04-09  Richard Guenther  <rguenther@suse.de>
2327
2328         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2329
2330 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2331
2332         PR bootstrap/43684
2333         * varasm.c (default_assemble_visibility): Wrap vars that are
2334         set, but unused, by targets without GAS.
2335         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2336         Remove set, but unused, vars.
2337         (rs6000_legitimize_tls_address): Likewise.
2338         (altivec_expand_dst_builtin): Likewise.
2339         * config/darwin.c (machopic_classify_symbol): Likewise.
2340         (machopic_indirection_name): Likewise.
2341
2342 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2343
2344         * config/i386/i386.md (DWI): New mode iterator.
2345         (S): New mode attribute.
2346         (shift_operand): Ditto.
2347         (shift_immediate_operand): Ditto.
2348         (ashl_input_operand): Ditto.
2349         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2350         using SDWIM mode iterator.
2351         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2352         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2353         DWI mode iterator.
2354         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2355         from corresponding peephole2 patterns.
2356         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2357         and x86_64_shift_adj_1 using SWI48 mode iterator.
2358         (x86_shift<mode>_adj_2): Ditto.
2359         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2360         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2361         using SWI48 mode iterator.
2362         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2363         *ashldi3_cmp_rex64 using SWI mode iterator.
2364         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2365         *ashldi3_cconly_rex64 using SWI mode iterator.
2366         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2367         x86_shift<mode>_adj_{1,2}.
2368         (ix86_split_ashr): Ditto.
2369         (ix86_split_lshr): Ditto.
2370
2371 2010-04-09  Richard Guenther  <rguenther@suse.de>
2372
2373         * target.h (builtin_conversion): Pass in input and output types.
2374         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2375         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2376         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2377         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2378
2379         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2380         Handle AVX modes.
2381         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2382
2383 2010-04-09  Richard Guenther  <rguenther@suse.de>
2384
2385         PR target/43152
2386         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2387
2388 2010-04-09  Richard Guenther  <rguenther@suse.de>
2389
2390         * tree-vectorizer.h (struct _stmt_vec_info): Document
2391         that vectype is the type of the LHS.
2392         (supportable_widening_operation, supportable_narrowing_operation):
2393         Get both input and output vector types as arguments.
2394         (vect_is_simple_use_1): Declare.
2395         (get_same_sized_vectype): Likewise.
2396         * tree-vect-loop.c (vect_determine_vectorization_factor):
2397         Set STMT_VINFO_VECTYPE to the vector type of the def.
2398         (vectorizable_reduction): Adjust.
2399         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2400         Adjust.  Specify the output vector type.
2401         (vect_pattern_recog_1): Adjust.
2402         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2403         (vectorizable_call): Adjust.
2404         (vectorizable_conversion): Likewise.
2405         (vectorizable_operation): Likewise.
2406         (vectorizable_type_demotion): Likewise.
2407         (vectorizable_type_promotion): Likewise.
2408         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2409         the def.
2410         (vect_is_simple_use_1): New function.
2411         (supportable_widening_operation): Get both input and output
2412         vector types.
2413         (supportable_narrowing_operation): Likewise.
2414         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2415
2416 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2417
2418         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2419         __thiscall and _thiscall as predefined macros.
2420         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2421         thiscall attribute handling.
2422         (ix86_comp_type_attributes): Likewise.
2423         (ix86_function_regparm): Likewise.
2424         (ix86_return_pops_args): Likewise.
2425         (init_cumulative_args): Likewise.
2426         (find_drap_reg): Likewise.
2427         (ix86_static_chain): Likewise.
2428         (x86_this_parameter): Likewise.
2429         (x86_output_mi_thunk): Likewise.
2430         (ix86_attribute_table): Add description for thiscall attribute.
2431         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2432         * doc/extend.texi: Add documentation for thiscall.
2433
2434 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2435
2436         PR c++/28584
2437         * c.opt (Wint-to-pointer-cast): Available in C++.
2438         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2439
2440 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2441
2442         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2443         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2444         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2445         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2446         function type instead.  Reorder and simplify checks.
2447
2448         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2449
2450 2010-04-08  Jing Yu  <jingyu@google.com>
2451             Zdenek Dvorak  <ook@ucw.cz>
2452
2453         PR tree-optimization/42720
2454         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2455         loop unswitch conditions here from ...
2456         (tree_unswitch_single_loop): ... here.
2457
2458 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2459
2460         * tree-if-conv.c: Fix comments and simplify logic.
2461
2462 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2463
2464         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2465         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2466         (main_tree_if_conversion): Update call to tree_if_conversion.
2467
2468 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2469
2470         PR 42485
2471         * doc/invoke.texi (-b,-V): Delete.
2472         * doc/tm.texi: Do not mention -b.
2473         * gcc.c (display_help): Delete -b and -V.
2474         (process_command): Delete -b and -V.
2475         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2476
2477 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2478             Wolfgang Gellerich  <gellerich@de.ibm.com>
2479
2480         Implement target hook for loop unrolling
2481         * target.h (loop_unroll_adjust): Add a new target hook function.
2482         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2483         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2484         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2485         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2486         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2487         target hook.
2488         (decide_unroll_stupid): Likewise.
2489
2490 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2491
2492         PR target/43643
2493         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2494
2495 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2496
2497         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2498         (Specific, *-*-solaris2*): Likewise.
2499         Don't prefer Sun as over GNU as.
2500
2501 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2502
2503         * config/s390/s390.c (override_options): Adjust the z10
2504           defaults for max-unroll-times, max-completely-peeled-insns
2505           and max-completely-peel-times.
2506
2507 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2508
2509         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2510         instructions for z10.
2511         (s390_expand_setmem): Likewise.
2512         (s390_expand_cmpmem): Likewise.
2513
2514 2010-04-08  Richard Guenther  <rguenther@suse.de>
2515
2516         PR tree-optimization/43679
2517         * tree-ssa-pre.c (eliminate): Only propagate copies.
2518
2519 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2520
2521         PR bootstrap/43681
2522         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2523         set but not used variable warning.
2524
2525 2010-04-08  Wei Guozhi  <carrot@google.com>
2526
2527         PR target/41653
2528         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2529         (arm_size_rtx_costs): Call the new function when optimized for size.
2530
2531 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2532
2533         PR debug/43670
2534         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2535         op0 is not a MEM, just return NULL instead of assertion
2536         failure.
2537         (discover_nonconstant_array_refs): Don't walk debug stmts.
2538
2539 2010-04-08  Doug Kwan  <dougkwan@google.com>
2540
2541         * configure.ac: Recognize gold and do not use its version number
2542         to test ld features.
2543         * configure: Regenerate.
2544
2545 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2546
2547         PR middle-end/40815
2548         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2549         (negate_value): Move code to push elements to broken_up_substracts ...
2550         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2551         negative pair to plus_negates.
2552         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2553
2554 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2555
2556         * doc/install.texi (Configuration): Move description of
2557         --enable-lto, --with-libelf*, --enable-gold from Java section to
2558         general section.
2559
2560         * doc/generic.texi (Working with declarations)
2561         (Function Properties, C and C++ Trees): Fix typos.
2562         * doc/sourcebuild.texi (Top Level): Likewise.
2563
2564 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2565
2566         PR c/18624
2567         * tree.h (DECL_READ_P): Define.
2568         (struct tree_decl_common): Add decl_read_flag.
2569         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2570         a set but not used warning.
2571         (merge_decls): Merge DECL_READ_P flag.
2572         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2573         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2574         * c-common.c (handle_used_attribute, handle_unused_attribute):
2575         Likewise.
2576         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2577         New prototypes.
2578         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2579         New functions.
2580         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2581         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2582         c_parser_binary_expression, c_parser_cast_expression,
2583         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2584         Call default_function_array_read_conversion instead of
2585         default_function_array_conversion where needed.
2586         (c_parser_unary_expression, c_parser_conditional_expression,
2587         c_parser_postfix_expression_after_primary, c_parser_initelt):
2588         Likewise.  Call mark_exp_read where needed.
2589         (c_parser_statement_after_labels, c_parser_asm_operands,
2590         c_parser_typeof_specifier, c_parser_sizeof_expression,
2591         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2592         where needed.
2593         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2594         New.
2595         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2596         (warn_unused_but_set_parameter): Default to warn_unused
2597         && extra_warnings.
2598         * doc/invoke.texi: Document -Wunused-but-set-variable and
2599         -Wunused-but-set-parameter.
2600
2601         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2602         used count variable.
2603         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2604         when operandN variables aren't used in the body of the expander
2605         or splitter.
2606         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2607         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2608         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2609         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2610         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2611         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2612         * tree.c (PROCESS_ARG): Likewise.
2613
2614 2010-04-07  Simon Baldwin  <simonb@google.com>
2615
2616         * diagnostic.h (diagnostic_override_option_index): New macro to
2617         set a diagnostic's option_index.
2618         * c-tree.h (c_cpp_error): Add warning reason argument.
2619         * opts.c (_warning_as_error_callback): New.
2620         (register_warning_as_error_callback): Store callback for
2621         warnings enabled via enable_warning_as_error.
2622         (enable_warning_as_error): Call callback, minor code tidy.
2623         * opts.h (register_warning_as_error_callback): Declare.
2624         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2625         response to -Werror=.
2626         (c_common_init_options): Register warning_as_error_callback in opts.c.
2627         * common.opt: Add -Wno-cpp option.
2628         * c-common.c (struct reason_option_codes_t): Map cpp warning
2629         reason codes to gcc option indexes.
2630         * (c_option_controlling_cpp_error): New function, lookup the gcc
2631         option index for a cpp warning reason code.
2632         * (c_cpp_error): Add warning reason argument, call
2633         c_option_controlling_cpp_error for diagnostic_override_option_index.
2634         * doc/invoke.texi: Document -Wno-cpp.
2635
2636 2010-04-07  Richard Guenther  <rguenther@suse.de>
2637
2638         * ipa-reference.c (mark_load): Use get_base_address.
2639         (mark_store): Likewise.
2640
2641         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2642         inserting GIMPLE_NOPs into the IL.
2643         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2644         Explicitly strip handled components and indirect references.
2645
2646         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2647         folding address expressions.
2648         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2649         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2650         operand_equal_p to compare decls.
2651         (ptr_deref_may_alias_decl_p): Likewise.
2652         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2653         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2654         Handle reversed comparison ops.
2655         * tree-sra.c (asm_visit_addr): Use get_base_address.
2656         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2657         * ipa-reference.c (mark_address): Use get_base_address.
2658
2659 2010-04-07  Richard Guenther  <rguenther@suse.de>
2660
2661         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2662         Propagate constants everywhere.
2663
2664 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2665
2666         PR debug/43516
2667         * tree.c (MAX_INT_CACHED_PREC): Define.
2668         (nonstandard_integer_type_cache): New array.
2669         (build_nonstandard_integer_type): Cache results for precision
2670         <= MAX_INT_CACHED_PREC.
2671
2672 2010-04-07  Richard Guenther  <rguenther@suse.de>
2673
2674         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2675         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2676         * common.opt: Likewise.
2677         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2678         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2679         (nonoverlapping_memrefs_p): Likewise.
2680         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2681         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2682         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2683         OPT_fargument_noalias_global for backward compatibility.
2684
2685 2010-04-07  Richard Guenther  <rguenther@suse.de>
2686
2687         PR tree-optimization/43270
2688         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2689         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2690         * tree-ssa-pre.c (phi_translate_1): Adjust.
2691         (fully_constant_expression): Split out vn_reference handling to ...
2692         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2693         Fold reads from constant strings.
2694         (vn_reference_lookup): Handle fully constant references.
2695         (vn_reference_lookup_pieces): Likewise.
2696         * Makefile.in (expmed.o-warn): Add -Wno-error.
2697
2698 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2699
2700         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2701
2702 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2703
2704         PR driver/41594
2705         * gcc.c: Add -static-libstdc++ to list of recognized options.
2706
2707 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2708
2709         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2710
2711 2010-04-07  Richard Guenther  <rguenther@suse.de>
2712
2713         PR middle-end/42617
2714         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2715         bases build simple mem attributes to retain points-to information.
2716
2717 2010-04-07  Richard Guenther  <rguenther@suse.de>
2718
2719         PR middle-end/42617
2720         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2721         preserve points-to related information.
2722
2723 2010-04-07  Richard Guenther  <rguenther@suse.de>
2724
2725         PR middle-end/42617
2726         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2727         discard plain indirect references.
2728         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2729         * tree.c (tree_nop_conversion): Likewise.
2730
2731 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2732
2733         PR debug/43628
2734         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2735
2736 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2737
2738         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2739         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2740
2741 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2742
2743         * tree-if-conv.c: Fix indentation and comments.
2744
2745 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2746
2747         * tree-if-conv.c: Sort static functions in topological order.
2748
2749 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2750
2751         * tree-if-conv.c: Fix indentation and comments.
2752
2753 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2754
2755         PR middle-end/43519
2756         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2757         lang_hooks.types.type_for_size instead of
2758         build_nonstandard_integer_type.
2759         When converting an unsigned type to signed, double its precision.
2760         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2761         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2762         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2763         use lb <= ub.
2764
2765 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2766
2767         PR middle-end/43519
2768         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2769         POINTER_PLUS_EXPR for pointer types.
2770
2771 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2772
2773         PR middle-end/43519
2774         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2775         * graphite-clast-to-gimple.c: Include langhooks.h.
2776         (max_signed_precision_type): New.
2777         (max_precision_type): Takes two types as arguments.
2778         (precision_for_value): New.
2779         (precision_for_interval): New.
2780         (gcc_type_for_interval): New.
2781         (gcc_type_for_value): New.
2782         (gcc_type_for_clast_term): New.
2783         (gcc_type_for_clast_red): New.
2784         (gcc_type_for_clast_bin): New.
2785         (gcc_type_for_clast_expr): Split up into several functions.
2786         (gcc_type_for_clast_eq): Rewritten.
2787         (compute_bounds_for_level): New.
2788         (compute_type_for_level_1): New.
2789         (compute_type_for_level): New.
2790         (gcc_type_for_cloog_iv): Removed.
2791         (gcc_type_for_iv_of_clast_loop): Rewritten.
2792         (graphite_create_new_loop): Compute the lower and upper bound types
2793         with gcc_type_for_clast_expr.
2794         (graphite_create_new_loop_guard): Same.
2795         (find_cloog_iv_in_expr): Removed.
2796         (compute_cloog_iv_types_1): Removed.
2797         (compute_cloog_iv_types): Removed.
2798         (gloog): Do not call compute_cloog_iv_types.
2799         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2800         GBB_CLOOG_IV_TYPES.
2801         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2802         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2803         (GBB_CLOOG_IV_TYPES): Removed.
2804
2805 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2806
2807         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2808         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2809         (detect_commutative_reduction): Same.
2810
2811 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2812
2813         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2814         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2815         argument.
2816         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2817         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2818         (rewrite_commutative_reductions_out_of_ssa): Same.
2819         * passes.c (execute_function_todo): Call verify_ssa for every pass
2820         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2821         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2822         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2823         with an extra argument.
2824         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2825         verify_ssa only when the extra argument is true.
2826         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2827         with an extra argument.
2828         (tree_transform_and_unroll_loop): Same.
2829
2830 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2831
2832         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2833         for all the passes of the LNO having LOOP_CLOSED_SSA.
2834         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2835         * tree-loop-distribution.c (pass_loop_distribution): Same.
2836         * tree-pass.h (TODO_verify_loops): Removed.
2837         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2838         (pass_lim): Same.
2839         (pass_tree_unswitch): Same.
2840         (pass_predcom): Same.
2841         (pass_vectorize): Same.
2842         (pass_linear_transform): Same.
2843         (pass_graphite_transforms): Same.
2844         (pass_iv_canon): Same.
2845         (pass_complete_unroll): Same.
2846         (pass_complete_unrolli): Same.
2847         (pass_parallelize_loops): Same.
2848         (pass_loop_prefetch): Same.
2849         (pass_iv_optimize): Same.
2850
2851 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2852
2853         PR middle-end/32824
2854         * passes.c (init_optimization_passes): Move pass_lim before
2855         pass_copy_prop and pass_dce_loop.
2856
2857 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2858
2859         PR target/43667
2860         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2861         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2862         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2863         MULTI_* defines for 4 argument vpermil2p* builtins.
2864
2865 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2866
2867         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2868         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2869         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2870         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2871         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2872         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2873         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2874         Use x86_maybe_negate_const_int to output insn mnemonic.
2875         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2876         check from instruction predicate.  Update comments.
2877         * config/i386/sync.md (sync_add<mode>): Use
2878         x86_maybe_negate_const_int to output insn mnemonic.
2879
2880 2010-04-06  Jan Hubicka  <jh@suse.cz>
2881
2882         PR tree-optimization/42906
2883         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2884         IGNORE_SELF argument.  Set visited_control_parents for fully
2885         processed BBs.
2886         (find_obviously_necessary_stmts): Update call of
2887         mark_control_dependent_edges_necessary.
2888         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2889
2890 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2891
2892         * config/i386/i386.md: Remove comment about 'e' and 'E'
2893         operand modifier.
2894
2895 2010-04-06  Richard Guenther  <rguenther@suse.de>
2896
2897         PR tree-optimization/43627
2898         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2899         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2900         not varying.
2901
2902 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2903
2904         * BASE-VER: Change to 4.6.0.
2905
2906         PR target/43638
2907         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2908         handling.
2909
2910 2010-04-06  Richard Guenther  <rguenther@suse.de>
2911
2912         PR middle-end/43661
2913         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2914
2915 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2916
2917         * doc/invoke.texi (Optimize Options): Document that LTO
2918         won't remove object access purely due to incompatible
2919         declarations.
2920
2921 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2922
2923         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2924         Initialize variable.
2925
2926 2010-04-03  Richard Guenther  <rguenther@suse.de>
2927
2928         PR middle-end/42509
2929         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2930         require a non-NULL MEM_OFFSET.
2931
2932 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2933
2934         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2935         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2936         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2937         config/alpha/predicates.md, config/arm/arm.md,
2938         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2939         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2940         config/darwin9.h, config/darwin.c, config/darwin.h,
2941         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2942         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2943         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2944         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2945         config/mips/mips.md, config/mn10300/mn10300.c,
2946         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2947         config/rs6000/aix.h, config/rs6000/dfp.md,
2948         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2949         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2950         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2951         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2952         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2953         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2954         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2955         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2956         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2957         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2958         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2959         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2960         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2961         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2962         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2963         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2964         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2965         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2966         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2967         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2968         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2969         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2970         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2971         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2972         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2973         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2974         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2975         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2976         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2977         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2978         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2979         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2980         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2981         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2982         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2983         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2984
2985 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2986
2987         PR other/43620
2988         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2989         * aclocal.m4: Regenerate.
2990
2991 2010-04-02  Richard Guenther  <rguenther@suse.de>
2992
2993         PR tree-optimization/43629
2994         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2995         if we have seen a constant value.
2996
2997 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2998
2999         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3000
3001 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3002
3003         PR target/43469
3004         * arm.c (legitimize_tls_address): Adjust call to
3005         gen_tls_load_dot_plus_four.
3006         (arm_note_pic_base): New function.
3007         (arm_cannot_copy_insn_p): Use it.
3008         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3009         constraint.
3010
3011 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3012
3013         PR bootstrap/43531
3014
3015         Revert:
3016         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3017
3018         * Makefile.in ($(out_object_file)): Depend on
3019         gt-$(basename $(notdir $(out_file))).h.
3020
3021 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3022
3023         * config.gcc (lm32-*-rtems*): Add t-lm32.
3024
3025 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3026
3027         * config.gcc: Add lm32-*-rtems*.
3028         * config/lm32/rtems.h: New file.
3029
3030 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3031
3032         PR target/42609
3033         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3034
3035 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3036
3037         * dwarf2out.c (output_compilation_unit_header): For
3038         -gdwarf-4 use version 4 instead of version 3.
3039         (output_line_info): For version 4 and above emit additional
3040         maximum ops per insn header field.
3041         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3042
3043         * dwarf2out.c (is_c_family, is_java): Remove.
3044         (lower_bound_default): New function.
3045         (add_bound_info, gen_descr_array_type_die): Use it.
3046
3047 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3048
3049         PR debug/43325
3050         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3051         re-declaration when it happens in a function.
3052
3053 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3054
3055         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3056         (cgraph_remove_function_insertion_hook): Same.
3057         (cgraph_call_function_insertion_hooks): Same.
3058
3059 2010-04-01  Richard Guenther  <rguenther@suse.de>
3060
3061         PR middle-end/43614
3062         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3063         and TREE_THIS_VOLATILE.
3064         (copy_ref_info): Likewise.
3065         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3066         * tree.c (build6_stat): Ignore side-effects of all but arg5
3067         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3068         TARGET_MEM_REF.
3069
3070 2010-04-01  Richard Guenther  <rguenther@suse.de>
3071
3072         PR tree-optimization/43607
3073         * ipa-type-escape.c (check_call): Do not access non-existing
3074         arguments.
3075
3076 2010-04-01  Richard Guenther  <rguenther@suse.de>
3077
3078         PR middle-end/43602
3079         Revert
3080         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3081                     Jack Howarth <howarth@bromo.med.uc.edu>
3082
3083         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3084         variables TLS.
3085
3086 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3087
3088         * doc/install.texi (Prerequisites): Document libelf usability on
3089         IRIX 5/6 and Solaris 2.
3090         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3091         Update GNU as, GNU ld requirements.
3092         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3093         Document Sun Studio compiler download.
3094         Update and simplify as, ld recommendations.
3095         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3096
3097 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3098
3099         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3100         with_tune_32 to pentium4.
3101
3102 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3103
3104         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3105
3106 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3107
3108         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3109         obsoletion, removal.
3110         Update IDO URL.
3111         Document GNU as requirement.
3112         Update configure requirements.
3113         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3114         Recomment IRIX 6.5.18+.
3115         Document IDF/IDL requirement.
3116         Document GNU as requirement.
3117         Document GNU ld bootstrap failure.
3118         Remove freeware.sgi.com reference.
3119
3120 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3121
3122         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3123         UNIX V4.0, V5.0 obsoletion, removal.
3124         Remove --with-gc=simple reference.
3125         Update VM requirements during bootstrap.
3126         Remove -oldas bootstrap description.
3127         Update binutils reference.
3128         Remove comparison failure note.
3129
3130 2010-03-31  Richard Guenther  <rguenther@suse.de>
3131             Zdenek Dvorak  <ook@ucw.cz>
3132             Sebastian Pop  <sebastian.pop@amd.com>
3133
3134         PR middle-end/43464
3135         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3136         with multiple arguments.
3137         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3138
3139 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3140
3141         * graphite-dependences.c (print_pddr): Call print_pdr with an
3142         extra argument.
3143         * graphite-poly.c (debug_pdr): Add an extra argument for the
3144         verbosity level.
3145         (print_pdr): Same.
3146         (print_pbb_domain): Same.
3147         (print_pbb): Same.
3148         (print_scop_context): Same.
3149         (print_scop): Same.
3150         (print_cloog): Same.
3151         (debug_pbb_domain): Same.
3152         (debug_pbb): Same.
3153         (print_pdrs): Same.
3154         (debug_pdrs): Same.
3155         (debug_scop_context): Same.
3156         (debug_scop): Same.
3157         (debug_cloog): Same.
3158         (print_scop_params): Same.
3159         (debug_scop_params): Same.
3160         (print_iteration_domain): Same.
3161         (print_iteration_domains): Same.
3162         (debug_iteration_domain): Same.
3163         (debug_iteration_domains): Same.
3164         (print_scattering_function): Same.
3165         (print_scattering_functions): Same.
3166         (debug_scattering_function): Same.
3167         (debug_scattering_functions): Same.
3168         * graphite-poly.h (debug_pdr): Update declaration.
3169         (print_pdr): Same.
3170         (print_pbb_domain): Same.
3171         (print_pbb): Same.
3172         (print_scop_context): Same.
3173         (print_scop): Same.
3174         (print_cloog): Same.
3175         (debug_pbb_domain): Same.
3176         (debug_pbb): Same.
3177         (print_pdrs): Same.
3178         (debug_pdrs): Same.
3179         (debug_scop_context): Same.
3180         (debug_scop): Same.
3181         (debug_cloog): Same.
3182         (print_scop_params): Same.
3183         (debug_scop_params): Same.
3184         (print_iteration_domain): Same.
3185         (print_iteration_domains): Same.
3186         (debug_iteration_domain): Same.
3187         (debug_iteration_domains): Same.
3188         (print_scattering_function): Same.
3189         (print_scattering_functions): Same.
3190         (debug_scattering_function): Same.
3191         (debug_scattering_functions): Same.
3192
3193 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3194
3195         * graphite-poly.c (print_scattering_function_1): New.
3196         (print_scattering_function): Call it.
3197         (print_scop_params): Remove spaces at the end of lines.
3198         (print_cloog): New.
3199         (debug_cloog): New.
3200         * graphite-poly.h (print_cloog): Declared.
3201         (debug_cloog): Declared.
3202
3203 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3204
3205         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3206         in loop->header.
3207         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3208         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3209         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3210         to switch between adding the IV bump in loop->latch or in loop->header.
3211
3212 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3213
3214         * graphite-poly.c (print_scattering_function): Pretty print following
3215         the scoplib format.
3216         (print_pdr): Same.
3217         (print_pbb_domain): Same.
3218         (dump_gbb_cases): Same.
3219         (dump_gbb_conditions): Same.
3220         (print_pdrs): Same.
3221         (print_pbb): Same.
3222         (print_scop_params): Same.
3223         (print_scop_context): Same.
3224         (print_scop): Same.
3225         (print_pbb_body): New.
3226         (lst_indent_to): New.
3227         (print_lst): Start new lines with a #.
3228         * graphite-poly.h (pbb_bb): New.
3229         (pbb_index): Use pbb_bb.
3230         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3231         disjuncts.
3232         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3233
3234 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3235
3236         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3237         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3238         and 0 instead of 1 for dw_val_class_flag.
3239         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3240         dw_val_class_range_list, dw_val_class_loc_list,
3241         dw_val_class_lineptr and dw_val_class_macptr, use
3242         DW_FORM_flag_present for dw_val_class_flag and
3243         DW_FORM_exprloc for dw_val_class_loc.
3244         (output_die): For -gdwarf-4 print dw_val_class_loc
3245         size as uleb128 instead of 1 or 2 bytes and don't print
3246         anything for dw_val_class_flag.
3247
3248         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3249         instead of cselib_lookup following by tweaking locs->setting_insn.
3250
3251         PR bootstrap/43596
3252         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3253         even before returning from label, setjmp call or volatile asm
3254         handling.
3255
3256 2010-03-31  Richard Guenther  <rguenther@suse.de>
3257
3258         PR middle-end/43600
3259         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3260         temporary data on stack.
3261
3262 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3263
3264         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3265         (PUSHSECTION_ASM_OP): Remove.
3266         (POPSECTION_ASM_OP): Remove.
3267         (PUSHSECTION_FORMAT): Remove.
3268         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3269         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3270         * config/sol2.c (solaris_output_init_fini): Use it.
3271
3272 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3273
3274         PR 43574
3275         * opt-functions.awk (var_type_struct): Use signed char type
3276         for simple variables.
3277
3278 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3279
3280         * config/sol2.c: Include output.h.
3281         (solaris_assemble_visibility): New function.
3282         * config/t-sol2 (sol2.o): Add output.h dependency.
3283         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3284         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3285         Redefine.
3286
3287 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3288
3289         PR target/43580
3290         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3291         V2SImode or XFmode on PRE_DEC.
3292
3293         PR debug/43557
3294         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3295         BLKmode.
3296
3297 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3298
3299         PR 43562
3300         * reload.h (caller_save_initialized_p): Declare.
3301         * toplev.c (backend_init_target): Don't call
3302         init_caller_save but set caller_save_initialized_p to false.
3303         * caller-save.c (caller_save_initialized_p): Define.
3304         (init_caller_save): Check caller_save_initialized_p.
3305         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3306
3307 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3308
3309         PR target/39048
3310         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3311         and soft-fp/t-softfp to tmake_file.
3312         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3313         (LIBGCC2_TF_CEXT): Define.
3314         (TF_SIZE): Define.
3315
3316 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3317
3318         PR debug/42977
3319         * cselib.c (n_useless_values): Document handling of debug locs.
3320         (n_useless_debug_values, n_debug_values): New variables.
3321         (new_elt_loc_list): Don't add to debug values, keep count.
3322         (promote_debug_loc): New.
3323         (cselib_reset_table): Zero new variables.
3324         (entry_and_rtx_equal_p): Promote debug locs.
3325         (discard_useless_locs): Increment n_useless_debug_values for
3326         debug values.
3327         (remove_useless_values): Adjust n_useless_values and n_debug_values
3328         with n_useless_debug_values.
3329         (add_mem_for_addr): Promote debug locs.
3330         (cselib_lookup_mem): Likewise.
3331         (cselib_lookup_addr): Renamed to...
3332         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3333         (cselib_log_lookup): ... this.  Turn into...
3334         (cselib_lookup_addr): ... new wrapper.
3335         (cselib_lookup_from_insn): New.
3336         (cselib_invalidate_regno): Increment n_useless_debug_values for
3337         debug values.
3338         (cselib_invalidate_mem): Likewise.
3339         (cselib_process_insn): Take n_deleted and n_debug_values into
3340         account to guard remove_useless_value call.
3341         (cselib_finish): Zero n_useless_debug_values.
3342         * cselib.h (cselib_lookup_from_insn): Declare.
3343         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3344         (sched_analyze_2): Likewise.
3345
3346 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3347
3348         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3349         functions.
3350         (adjust_mems): Replace narrowing SUBREG of expression containing
3351         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3352         with operations in the narrower mode.
3353
3354         PR debug/43593
3355         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3356         regs_invalidated_by_call instead all call_used_reg_set registers.
3357
3358 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3359
3360         PR middle-end/43430
3361         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3362         pointer comparisons with types_compatible_p.
3363         * tree-vect-stmts.c (vectorizable_call): Same.
3364         (vectorizable_condition): Same.
3365
3366 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3367
3368         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3369         stack check if the mask would be zero.
3370
3371 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3372             Jack Howarth <howarth@bromo.med.uc.edu>
3373
3374         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3375         variables TLS.
3376
3377 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3378
3379         PR other/25232
3380         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3381         and __unordtf2.
3382         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3383         Include ___unordxf2 and ___unordtf2.
3384         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3385         GCC_4.4.0 here.
3386
3387 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3388
3389         * config/lm32/t-lm32: New file.
3390         * config.gcc: Use the above file when targetting lm32.
3391
3392 2010-03-28  Duncan Sands  <baldrick@free.fr>
3393
3394         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3395
3396 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3397
3398         PR middle-end/43431
3399         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3400         Improve vectorization cost model diagnostic.
3401
3402 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3403
3404         PR middle-end/43436
3405         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3406         compute_data_dependences_for_loop returns false, early exit
3407         and output an extra diagnostic for the failed data reference
3408         analysis.
3409
3410 2010-03-29  Richard Guenther  <rguenther@suse.de>
3411
3412         PR tree-optimization/43560
3413         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3414         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3415
3416 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3417
3418         PR 43564
3419         * toplev.c (process_options): Set optimization_default_node
3420         and optimization_current_node.
3421         * opts.c (decode_options): Don't set optimization_default_node
3422         and optimization_current_node.
3423
3424 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3425
3426         * config/rtems.h: Abandon -qrtems_debug.
3427
3428 2010-03-28  Jan Hubicka  <jh@suse.cz>
3429
3430         PR tree-optimization/43505
3431         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3432         map&