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1 2010-05-16  Jan Hubicka  <jh@suse.cz>
2
3         * cgraph.c (cgraph_clone_node): Take decl argument and insert
4         clone into hash when it is different from orig.
5         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
6         * cgraph.h (cgraph_clone_node): Update prototype.
7         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
8         (lto_cgraph_encoder_delete): Delete body map.
9         (lto_cgraph_encoder_size): Move to header.
10         (lto_cgraph_encoder_encode_body_p, lto_set_cgraph_encoder_encode_body): New.
11         (lto_output_node): Do not take written_decls argument; output clone_of
12         pointer.
13         (add_node_to): Add include_body_argument; call
14         lto_set_cgraph_encoder_encode_body on master of the clone.
15         (add_references): Update use of add_node_to.
16         (compute_ltrans_boundary): Likewise.
17         (output_cgraph): Do not create written_decls bitmap.
18         (input_node): Take nodes argument; stream in clone_of correctly.
19         (input_cgraph_1): Update use of input_node.
20         * lto-streamer-out.c (lto_output): Use encoder info to decide
21         what bodies to output.
22         * ipa-inline.c (cgraph_clone_inlined_nodes,
23         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
24         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
25         (lto_cgraph_encoder_size): Define here.
26         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
27         Declare.
28
29 2010-05-16  Richard Guenther  <rguenther@suse.de>
30
31         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
32         -fipa-type-escape.
33         * ipa-type-escape.c (gate_type_escape_vars): Run when
34         -fipa-struct-reorg runs.
35         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
36         * common.opt (fipa-type-escape): Remove.
37
38 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
39
40         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
41         (decode_options): Likewise.
42         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
43
44 2010-05-16  Jan Hubicka  <jh@suse.cz>
45
46         * ipa.c (function_and_variable_visibility): Also bring local all
47         aliases.
48
49 2010-05-16  Richard Guenther  <rguenther@suse.de>
50
51         * alias.c (nonoverlapping_memrefs_p): Remove use of
52         IPA type-escape information.
53
54 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
55
56         * c-common.c (c_common_reswords): Add _Static_assert for C.
57         * c-parser.c (c_token_starts_declaration,
58         c_parser_next_token_starts_declaration,
59         c_parser_static_assert_declaration_no_semi,
60         c_parser_static_assert_declaration): New.
61         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
62         Handle static assertions if static_assert_ok.
63         (c_parser_external_declaration, c_parser_declaration_or_fndef,
64         c_parser_compound_statement_nostart, c_parser_label,
65         c_parser_for_statement, c_parser_objc_methodprotolist,
66         c_parser_omp_for_loop): All callers of
67         c_parser_declaration_or_fndef changed.
68         (c_parser_struct_declaration): Handle static assertions.
69         (c_parser_compound_statement_nostart): Use
70         c_parser_next_token_starts_declaration and
71         c_token_starts_declaration to detect start of declarations.
72         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
73         Likewise.
74
75 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
76
77         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
78         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
79         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
80         TARGET_FUNCTION_VALUE_REGNO_P): Define.
81         (mmix_function_outgoing_value): Rename to...
82         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
83         (mmix_function_value_regno_p): Make static.
84         (mmix_libcall_value): New function.
85         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
86         mmix_function_value_regno_p): Remove declaration.
87
88 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
89
90         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
91         BUILT_IN_ALLOCA if stack checking is enabled.
92
93 2010-05-16  Richard Guenther  <rguenther@suse.de>
94
95         * var-tracking.c (vars_copy_1): Inline ...
96         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
97         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
98         (variable_merge_over_cur): Adjust.  Merge asserts.
99         (variable_merge_over_src): Likewise.
100         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
101         (variable_post_merge_new_vals): Merge asserts.
102         (variable_post_merge_perm_vals): Likewise.
103         (find_mem_expr_in_1pdv): Likewise.
104         (dataflow_set_different_value): Remove.
105         (onepart_variable_different_p): Merge asserts.
106         (variable_different_p): Likewise.
107         (dataflow_set_different_1): Inline ...
108         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
109         (emit_notes_for_differences_1): Merge asserts.
110
111 2010-05-16  Richard Guenther  <rguenther@suse.de>
112
113         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
114         * optabs.c (libfunc_decl_hash): Likewise.
115         * varasm.c (emutls_decl): Likewise.
116
117 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
118
119         * c-decl.c: Don't include gimple.h.
120         (merge_decls): Do not copy gimple_body.
121
122 2010-05-15  Jason Merrill  <jason@redhat.com>
123
124         * c.opt: Add -fnothrow-opt.
125
126 2010-05-15  Jan Hubicka  <jh@suse.cz>
127
128         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
129         analyzed.
130         * passes.c (ipa_write_summaries): Write all analyzed nodes.
131
132 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
133
134         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
135         * Makefile.in: Add it.
136         Fix all other Makefile dependencies for changes below.
137         * tree.h: Include it instead of defining VEC primitives here.
138         * gimple.h: Likewise.
139         * rtl.h: Likewise.
140         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
141         * except.h: Include vecir.h, break dependence on tree.h.
142
143         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
144         Move from here...
145         * tree-iterator.c: ...to here.
146         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
147
148         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
149         tm_p.h.
150         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
151         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
152         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
153         tree-mudflap.h, and target.h.
154         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
155         predict.h, tree-inline.h, gimple.h, and langhooks.h.
156         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
157         Add FIXME for why gimple.h is still included (should be unnecessary
158         since GCC 4.5 gimplification unit-at-a-time).
159         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
160         * c-pragma.c: Add FIXME for why function.h needs to be included just
161         for cfun, at front-end level.
162         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
163         Do not include ggc.h, but include vecprim.h for VEC(char).
164         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
165         Explain why target.h is included.
166         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
167         Explain why gimple.h is included.
168         * c-ppoutput.c: Do not include tm.h.
169         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
170         * c-parses.c: Explain why rtl.h is included, and that this (and only
171         this) is also why tm.h must be included.
172         Do not include except.h.
173         * c-lang.c: Do not include ggc.h.
174
175 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
176
177         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
178
179 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
180
181         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
182         unions by default if those structs and unions have no tags.  Do
183         not condition anonymous struct and unions handling on flag_iso.
184         Allow anonymous structs and unions for C1X.
185         (finish_struct): Do not diagnose lack of named fields when
186         anonymous structs and unions present for C1X.  Accept flexible
187         array members in structure with anonymous structs or unions but no
188         directly named fields.
189         * doc/extend.texi (Unnamed Fields): Update.
190
191 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
192
193         * gimple.h (compare_field_offset): Rename into...
194         (gimple_compare_field_offset): ...this.
195         * gimple.c (compare_field_offset): Rename into...
196         (gimple_compare_field_offset): ...this.  Compare the full access if
197         the offset is self-referential.
198         (gimple_types_compatible_p): Adjust for above renaming.
199         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
200         DECL_NONADDRESSABLE_P flag of fields before merging them.
201
202 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
203
204         * tree.h (ctor_to_list): Delete.
205         * tree.c (ctor_to_list): Delete.
206
207 2010-05-15  Jan Hubicka  <jh@suse.cz>
208
209         * ipa-reference.c: Include toplev.h
210         (is_proper_for_analysis): Only add to all_module_statics
211         if it is allocated.
212         (write_node_summary_p, stream_out_bitmap,
213         ipa_reference_write_optimization_summary,
214         ipa_reference_read_optimization_summary): New.
215         (struct ipa_opt_pass_d pass_ipa_reference): Add
216         optimization summary streaming.
217         * lto-cgraph.c (referenced_from_this_partition_p,
218         reachable_from_this_partition_p): New functions.
219         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
220         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
221         * opts.c (decode_options): Enable ipa_reference.
222         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
223         * lto-streamer.h (referenced_from_this_partition_p,
224         reachable_from_this_partition_p): Declare.
225
226 2010-05-15  Richard Guenther  <rguenther@suse.de>
227
228         PR tree-optimization/44038
229         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
230         taking the address of a V_C_E of a constant.
231
232 2010-05-14  Jan Hubicka  <jh@suse.cz>
233
234         * tree.h (memory_identifier_string): Remove.
235         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
236         (ipa_reference_global_vars_info_d): Remove statics_not_read and
237         statics_not_written.
238         (ipa_reference_optimization_summary_d): New structure.
239         (ipa_reference_optimization_summary_t): New type and vector.
240         (ipa_reference_vars_info_d): Embedd structures instead of using
241         pointers.
242         (reference_vars_to_consider): Remove out of GGC space.
243         (module_statics_escape): Remove.
244         (global_info_obstack): Rename to ...
245         (optimization_summary_obstack): ... this one.
246         (initialization_status_t): Remove.
247         (memory_identifier_string): Remove.
248         (get_reference_vars_info): Fix indenting.
249         (set_reference_vars_info): Likewise.
250         (get_reference_optimization_summary): New.
251         (set_reference_optimization_summary): New.
252         (get_global_reference_vars_info): Remove.
253         (ipa_reference_get_read_global): Remove.
254         (ipa_reference_get_written_global): Remove.
255         (ipa_reference_get_not_read_global): Update.
256         (ipa_reference_get_not_written_global): Update.
257         (is_proper_for_analysis): Outlaw addressable.
258         (propagate_bits): Update for new datastructures.
259         (analyze_variable): Remove.
260         (init_function_info): Update for new datastructures.
261         (clean_function_local_data): Remove.
262         (clean_function): Remove.
263         (copy_global_bitmap): Use optimizations_summary_obstack.
264         (duplicate_node_data): Duplicate optimization summary only.
265         (remove_node_data): Remove optimization summary only.
266         (generate_summary): Do not analyze variables; do not compute
267         module_statics_escape; do not prune solutions by it.
268         (read_write_all_from_decl): Fix typos in comments.
269         (propagate): Doscover readonly and nonaddressable first;
270         update for new datastructures; share global bitmaps.
271         * ipa-reference.h (ipa_reference_get_read_global,
272         ipa_reference_get_written_global): Remove.
273         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
274         * Makefile.in: Remove ipa-refereference from GT files.
275
276 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
277
278         PR debug/44112
279         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
280         for all SYMBOL_REF_DECLs.
281
282 2010-05-14  Jan Hubicka  <jh@suse.cz>
283
284         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
285         (varpool_all_refs_explicit_p): New inline function.
286         * ipa-reference.c: Update comment.
287         (module_statics_written): Remove.
288         (get_static_decl): Remove.
289         (ipa_init): Do not initialize module_statics_written.
290         (analyze_function): Likewise.
291         (generate_summary): Likewise; do not compute module_statics_readonly
292         and do not update variable flags.
293         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
294         * ipa.c: Inlucde flags.h
295         (cgraph_local_node_p): New.
296         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
297         promote functions to local.
298         (ipa_discover_readonly_nonaddressable_vars): New function.
299         (function_and_variable_visibility): Use cgraph_local_node_p.
300         * varpool.c (varpool_finalize_decl): Set force_output for
301         DECL_PRESERVE_P vars.
302
303 2010-05-14  Jan Hubicka  <jh@suse.cz>
304
305         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
306
307 2010-05-14  Richard Guenther  <rguenther@suse.de>
308
309         PR tree-optimization/44119
310         * tree-ssa-pre.c (eliminate): Properly mark replacement of
311         a PHI node necessary.
312
313 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
314
315         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
316
317 2010-05-14  Jason Merrill  <jason@redhat.com>
318
319         PR c++/44127
320         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
321         (gimple_call_set_nothrow): New.
322         * gimple.c (gimple_build_call_from_tree): Call it.
323         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
324
325         PR c++/44127
326         * gimplify.c (gimplify_seq_add_stmt): No longer static.
327         * gimple.h: Declare it.
328         * gimple.c (gimple_build_eh_filter): No ops.
329
330 2010-05-14  Jan Hubicka  <jh@suse.cz>
331
332         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
333         nodes already in queue.
334         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
335         re-enqueueing node.
336
337 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
338
339         PR debug/44136
340         * cfgexpand.c (expand_debug_expr): If non-memory op0
341         has BLKmode, return NULL.
342
343 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
344
345         * config.gcc: Add support for --with-cpu option for bdver1.
346         * config/i386/i386.h (TARGET_BDVER1): New macro.
347         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
348         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
349         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
350         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
351         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
352         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
353         (processor_type): Add PROCESSOR_BDVER1.
354         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
355         processor_type in config/i386/i386.h.
356         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
357         movaps <reg, reg> instead of movapd <reg, reg> when replacing
358         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
359         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
360         to emit packed xor instead of packed double/packed integer
361         xor for SSE and AVX when moving a zero value.
362         * config/i386/sse.md: Add check for
363         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
364         movapd/movdqa for SSE and AVX.
365         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
366         single logical operations i.e and, or and xor instead of packed double
367         logical operations for SSE and AVX.
368         * config/i386/i386-c.c (ix86_target_macros_internal):
369         Add PROCESSOR_BDVER1.
370         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
371         (has_fma4, has_xop): New.
372         * config/i386/i386.c (bdver1_cost): New variable.
373         (m_BDVER1): New macro.
374         (m_AMD_MULTIPLE): Add m_BDVER1.
375         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
376         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
377         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
378         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
379         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
380         x86_tune_sse_partial_reg_dependency,
381         x86_tune_sse_unaligned_load_optimal,
382         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
383         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
384         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
385         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
386         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
387         Enable/disable for bdver1.
388         (processor_target_table): Add bdver1_cost.
389         (cpu_names): Add bdver1.
390         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
391          processor_alias_table.
392         (ix86_expand_vector_move_misalign): Change.
393         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
394         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
395         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
396         of movupd/movdqu for SSE and AVX.
397         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
398         (ix86_tune_adjust_cost): Add code for bdver1.
399         (standard_sse_constant_opcode): Add check for
400         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
401         of packed double xor for SSE and AVX.
402
403 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
404
405         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
406         result to unsigned.
407
408 2010-05-14  Tristan Gingold  <gingold@adacore.com>
409
410         * toplev.c (default_debug_hooks): Remove this variable.
411         (process_options): Remove assignments to default_debug_hooks.
412
413 2010-05-14  Martin Jambor  <mjambor@suse.cz>
414
415         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
416         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
417         * langhooks.h (struct lang_hooks_for_decls): Removed field
418         fold_obj_type_ref.
419         * tree.c (free_lang_data): Remove assignment to
420         lang_hooks.fold_obj_type_ref.
421         * tree.def (OBJ_TYPE_REF): Update comment.
422
423 2010-05-14  Richard Guenther  <rguenther@suse.de>
424
425         PR tree-optimization/44124
426         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
427
428 2010-05-14  Alan Modra  <amodra@gmail.com>
429
430         PR target/44075
431         * config/rs6000/rs6000.c (struct machine_function): Reorder
432         fields for better packing.  Add lr_save_state.
433         (rs6000_ra_ever_killed): Return lr_save_state if set.
434         (rs6000_emit_eh_reg_restore): Set lr_save_state.
435
436 2010-05-13  Jan Hubicka  <jh@suse.cz>
437
438         * varpool.c (decide_is_variable_needed): Drop code checking
439         TREE_SYMBOL_REFERENCED.
440
441 2010-05-13  Jan Hubicka  <jh@suse.cz>
442
443         * final.c (output_addr_const): Do not call mark_decl_referenced.
444         * cgraphunit.c (process_function_and_variable_attributes): Use
445         mark_needed_node dirrectly.
446         (assemble_thunk): Do not call mark_decl_referenced.
447
448 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
449
450         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
451
452 2010-05-13  Jeff Law  <law@redhat.com>
453
454         * ira-conflicts.c (print_allocno_conflicts): New function broken out
455         from...
456         (print_conflicts): Call print_allocno_conflicts.
457
458 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
459
460         PR debug/44104
461         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
462         if it is NULL.
463
464 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
465
466         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
467         t-mingw-w64 or t-mingw-w32 for multilib configuration.
468         * config/i386/t-mingw-w32: New.
469         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
470
471 2010-05-13  Martin Jambor  <mjambor@suse.cz>
472
473         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
474         gimple-fold.c).
475         * gimple-fold.c (get_base_binfo_for_type): New function.
476         (gimple_get_relevant_ref_binfo): Likewise.
477         (gimple_fold_obj_type_ref_known_binfo): Likewise.
478         (gimple_fold_obj_type_ref): Likewise.
479         (fold_gimple_call): Simplify condition for folding virtual calls
480         and call gimple_fold_obj_type_ref.
481         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
482         (gimple_fold_obj_type_ref_known_binfo): Likewise.
483
484 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
485
486         * config/rs6000/rs6000-protos.h
487         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
488         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
489         (rs6000_debug_mode_dependent_address)
490         (rs6000_mode_dependent_address_ptr): Likewise.
491
492 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
493
494         PR debug/43983
495         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
496         by SRA.
497         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
498         * tree-sra.c (create_access_replacement): Call unshare_expr before
499         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
500         * dwarf2out.c: Include tree-flow.h.
501         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
502         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
503         Handle DW_OP_bit_piece.
504         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
505         construct_piece_list, adjust_piece_list): New functions.
506         (add_var_loc_to_decl): Handle SRA optimized variables.
507         Adjust for var_loc_note to loc field renaming.
508         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
509         in VAR_LOCATION note.
510         (new_loc_descr_op_bit_piece): New function.
511         (dw_sra_loc_expr): New function.
512         (dw_loc_list): Use it.  Don't handle the last range after the
513         loop, handle it inside of the loop.  Adjust for var_loc_note
514         to loc field renaming.
515         (add_location_or_const_value_attribute): Only special case
516         single entry loc lists if loc is NOTE_P.  Adjust for
517         var_loc_note to loc field renaming.
518         (dwarf2out_var_location): Don't set newloc->var_loc_note
519         and newloc->next here.
520
521 2010-05-12  Jan Hubicka  <jh@suse.cz>
522
523         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
524         flag.
525         * cgraph.h (cgraph_only_called_directly_p,
526         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
527         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
528         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
529         (assemble
530         * ipa.c (cgraph_remove_unreachable_nodes): Use
531         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
532         flags.
533         * tree-inline.c (copy_bb): Check address_taken flag.
534         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
535         externally_visible flag.
536
537 2010-05-12  Jason Merrill  <jason@redhat.com>
538
539         PR bootstrap/44048
540         PR target/44099
541         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
542         * sdbout.c (plain_type_1): Likewise.
543         * dwarf2out.c (is_base_type): Likewise.
544         (gen_type_die_with_usage): Likewise.  Generate
545         DW_TAG_unspecified_type for any LANG_TYPE.
546
547 2010-05-12  Jan Hubicka  <jh@suse.cz>
548
549         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
550         indrect edges too.
551         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
552         (cgraph_clone_edge): Update.
553         (cgraph_node_remove_callees): Remove indirect calls too.
554         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
555         (cgraph_create_indirect_edge): Update prototype.
556         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
557         is_proper_for_analysis.
558         (add_new_function, visited_nodes, function_insertion_hook_holder,
559         get_local_reference_vars_info, mark_address_taken, mark_address,
560         mark_load, mark_store, check_asm_memory_clobber, check_call,
561         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
562         (ipa_init): Do not initialize visited_nodes;
563         function_insertion_hook_holder.
564         (analyze_variable): Rewrite.
565         (analyze_function): Rewrite.
566         (copy_local_bitmap): Remove.
567         (duplicate_node_dat): Do not duplicate local info.
568         (generate_summary): Simplify to only walk cgraph.
569         (write_node_summary_p, ipa_reference_write_summary,
570         ipa_reference_read_summary): Remove.
571         (propagate): Do not remove function insertion;
572         generate summary.
573         (pass_ipa_reference): NULLify summary handling fields.
574         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
575         (input_edge): Input ecf_flags.
576         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
577         (update_indirect_edges_after_inlining): Ignore edges with unknown
578         param.
579
580 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
581
582         * implicit-zee.c: New file.
583         * tree-pass.h (pass_implicit_zee): Declare.
584         * passes.c (init_optimization_passes): Add zee pass.
585         * common.opt (fzee): New flag.
586         * timevar.def (TV_ZEE): Define.
587         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
588         and beyond.
589         * Makefile.in (implicit-zee.o): Add new build file.
590
591 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
592             Nathan Froyd  <froydnj@codesourcery.com>
593
594         * c-common.c (sync_resolve_params): Remove write-only variable.
595
596 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
597
598         * target.h (struct gcc_target): Add mode_dependent_address_p field.
599         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
600         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
601         * targhooks.c (default_mode_dependent_address_p): New function.
602         * targhooks.h (default_mode_dependent_address_p): Declare function.
603         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
604         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
605         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
606         target hook. Change return type to bool.
607         * recog.h: (mode_dependent_address_p): Change return type to bool.
608
609 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
610             Nathan Froyd  <froydnj@codesourcery.com>
611
612         * tree-mudflap.c (build_function_type_0, build_function_type_1,
613         build_function_type_2, build_function_type_3): Remove.
614         (mudflap_init): Use build_function_type_list.
615
616 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
617             Nathan Froyd  <froydnj@codesourcery.com>
618
619         * coverage.c (build_fn_info_value): Call build_constructor instead of
620         build_constructor_from_list.
621         (build_ctr_info_value): Likewise.
622         (build_gcov_info): Likewise.
623
624 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
625
626         * tree.c (build_constructor): Compute TREE_CONSTANT for the
627         resultant constructor.
628         (build_constructor_single): Don't set TREE_CONSTANT.
629         (build_constructor_from_list): Don't compute TREE_CONSTANT.
630
631 2010-05-12  Jan Hubicka  <jh@suse.cz>
632
633         * cgraph.h (struct varpool_node): Add aux.
634         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
635         * varpool.c (varpool_remove_node): Do not remove initializer.
636         (varpool_reset_queue): Export.
637         (varpool_finalize_decl): Volatile vars are forced to be output.
638         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
639         replaced decl.
640         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
641         process_references, varpool_can_remove_if_no_refs): New functions.
642         (cgraph_remove_unreachable_nodes): Handle variables too.
643
644 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
645
646         PR target/44088
647         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
648
649 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
650
651         PR middle-end/44085
652         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
653         change value of ORT_TASK.
654         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
655         (omp_notice_threadprivate_variable): New function.
656         (omp_notice_variable): Call it for threadprivate variables.
657         If enclosing ctx is a task, print enclosing task rather than
658         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
659         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
660         if task has untied clause.
661
662         PR debug/42278
663         * dwarf2out.c (base_type_die): Don't add name attribute here.
664         (modified_type_die): Instead of sizetype use
665         its underlying original type.  If a DW_TAG_base_type doesn't
666         have name added, add __unknown__.
667         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
668         always call force_type_die instead.
669
670 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
671
672         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
673         for __stack_chk_guard.
674
675 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
676
677         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
678         don't call start_source_file debug hook here...
679         (finish_options): ... but here, after outputting predefined and
680         command line defines and undefs.
681
682         PR middle-end/44071
683         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
684         no fallthru edge.
685         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
686         optimizing away empty bb with no successors, move over its
687         footer chain to fallthru predecessor.
688         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
689         (rtl_split_edge): For asm goto call patch_jump_insn even if
690         splitting fallthru edge.
691
692         PR c++/44059
693         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
694         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
695         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
696         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
697         on DW.ref.* decls.
698
699         PR c++/44062
700         * c-parser.c (c_parser_expression): Mark LHS of a comma
701         expression as read if it is a decl, handled component or
702         COMPOUND_EXPR with that on the RHS.
703         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
704         if it is a decl or handled component.
705
706 2010-05-11  Jan Hubicka  <jh@suse.cz>
707
708         * lto-symtab.c (lto_symtab_free): New function.
709         * lto-streamer.h (lto_symtab_free): Declare.
710
711 2010-05-11  Jan Hubicka  <jh@suse.cz>
712
713         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
714         that if function is needed it is reachable.
715         (lto_output_node): See if it the function is reachable or referenced.
716         (output_cgraph): Update call of lto_output_node.
717         * lto-streamer.h (reachable_from_other_partition_p): Declare.
718
719 2010-05-11  Jan Hubicka  <jh@suse.cz>
720
721         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
722         Mark as used.
723
724 2010-05-11  Jan Hubicka  <jh@suse.cz>
725
726         PR tree-optimize/44063
727         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
728         queue.
729         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
730         limits.
731         (estimate_function_body_sizes): Compute sizes even when disregarding.
732
733 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
734
735         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
736
737 2010-05-11  Jan Hubicka  <jh@suse.cz>
738
739         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
740         into every boundary.
741
742 2010-05-11  Jan Hubicka  <jh@suse.cz>
743
744         * matrix-reorg.c (matrix_reorg): Rebuild edges.
745
746 2010-05-11  Jan Hubicka  <jh@suse.cz>
747
748         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
749         lto_streamer_cache_delete): Put nodes into heap.
750         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
751         heap.
752
753 2010-05-11  Jan Hubicka  <jh@suse.cz>
754
755         * cgraphbuild.c (cgraph_rebuild_references): New.
756         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
757         out extern inlines.
758         * cgraph.h (cgraph_rebuild_references): Declare.
759         * tree-inline.c (tree_function_versioning): Use it.
760         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
761
762 2010-05-11  Jan Hubicka  <jh@suse.cz>
763
764         * cgraph.c: Include ipa-utils.h
765         (cgraph_create_virtual_clone): Update references.
766         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
767
768 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
769
770         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
771         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
772         cache size.
773
774 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
775
776         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
777
778 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
779
780         * gcc.c (execute): For -### don't quote arguments that
781         contain just alphanumerics and _/-. characters.
782         * doc/invoke.texi: Document that change for -###.
783
784         PR debug/44023
785         * df-problems.c (struct dead_debug): Add to_rescan field.
786         (dead_debug_init): Clear to_rescan field.
787         (dead_debug_finish): Rescan all debug insns in to_rescan
788         bitmap and free the bitmap.
789         (dead_debug_insert_before): Instead of rescanning debug insns
790         immediately queue their rescanning until dead_debug_finish.
791         (df_note_bb_compute): After dead_debug_add do continue instead
792         of break.
793
794 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
795
796         PR debug/44028
797         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
798         clear also INSN_REG_USE_LIST.
799
800 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
801
802         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
803
804 2010-05-10  Jan Hubicka  <jh@suse.cz>
805
806         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
807         commited change.
808
809 2010-05-10  Jan Hubicka  <jh@suse.cz>
810
811         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
812         Allocate encoders.
813         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
814         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
815         (lto_streamer_cache_create): Init alloc pool.
816         (lto_streamer_cache_delete): Free alloc pool.
817         * lto-streamer.h: Include alloc pool.
818         (lto_streamer_cache_d): Use alloc pool.
819         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
820
821 2010-05-10  Jan Hubicka  <jh@suse.cz>
822
823         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
824         * cgraphbuild.c: Include except.h
825         (record_type_list, record_eh_tables): New function.
826         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
827
828 2010-05-10  Jan Hubicka  <jh@suse.cz>
829
830         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
831         __frame_dummy_init_array_entry, force_to_data): Attribute as used
832         rather than unused.
833
834 2010-05-10  Michael Matz  <matz@suse.de>
835
836         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
837         (can_reassociate_p): Use FLOAT_TYPE_P.
838         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
839         (vect_force_simple_reduction): ... this.
840         * tree-parloops.c (gather_scalar_reductions): Use
841         vect_force_simple_reduction.
842         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
843         vect_is_simple_reduction, add modify argument, if true rewrite
844         "a-b" into "a+(-b)".
845         (vect_is_simple_reduction, vect_force_simple_reduction): New
846         functions.
847         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
848
849 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
850             Vladimir Makarov  <vmakarov@redhat.com>
851
852         PR rtl-optimization/44012
853         * ira-build.c (remove_unnecessary_allocnos): Nullify
854         regno_allocno_map of the removed allocno.
855
856 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
857
858         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
859         to /dev/null.
860         * configure: Regenerate.
861
862 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
863
864         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
865         unused.
866         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
867         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
868         support in Sun ld.
869         * configure: Regenerate.
870
871 2010-05-10  Richard Guenther  <rguenther@suse.de>
872
873         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
874         marked if the entry identifier is marked.
875
876 2010-05-10  Richard Guenther  <rguenther@suse.de>
877
878         * c-common.c (struct c_common_attributes): Add fnspec attribute.
879         (handle_fnspec_attribute): New function.
880         * gimple.h (gimple_call_return_flags): Declare.
881         (gimple_call_arg_flags): Likewise.
882         * gimple.c (gimple_call_arg_flags): New function.
883         (gimple_call_return_flags): Likewise.
884         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
885         New argument flags.
886         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
887         return value flags.
888         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
889         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
890         main work to ...
891         (make_heapvar_for): ... this new function.
892         (handle_rhs_call): Handle fnspec attribute argument specifiers.
893         (handle_lhs_call): Likewise.
894         (find_func_aliases): Adjust.
895
896 2010-05-10  Richard Guenther  <rguenther@suse.de>
897
898         PR tree-optimization/44050
899         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
900
901 2010-05-10  Wei Guozhi  <carrot@google.com>
902
903         PR target/42879
904         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
905
906 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
907
908         PR c/10676
909         * c-typeck.c (lookup_field): Take a type directly.  Update
910         recursive calls.
911         (build_component_ref): Update call to lookup_field.
912         (set_init_label): Use lookup_field to find initialized field.
913         Handle returned list of fields like a sequence of designators.
914
915 2010-05-09  Richard Guenther  <rguenther@suse.de>
916
917         PR middle-end/44024
918         * fold-const.c (tree_single_nonzero_warnv_p): Properly
919         handle &FUNCTION_DECL.
920
921 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
922
923         PR c/4784
924         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
925         structures and unions recursively.
926         (detect_field_duplicates): Move duplicate detection with a hash to
927         detect_field_duplicates_hash.  Always use a hash if anonymous
928         structures or unions are present.
929         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
930         give errors.
931
932 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
933
934         PR target/44046
935         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
936         detect Atom, Core 2 and Core i7.
937
938 2010-05-09  Richard Guenther  <rguenther@suse.de>
939
940         * gcc.c (store_arg): Handle temporary file deletion for
941         joined arguments.
942
943 2010-05-09  Richard Guenther  <rguenther@suse.de>
944
945         PR middle-end/44043
946         * ipa-inline.c (estimate_function_body_sizes): Return after
947         disregarding inline limits.
948
949 2010-05-09  Richard Guenther  <rguenther@suse.de>
950
951         * gcc.c (store_arg): Revert last change.
952
953 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
954
955         PR middle-end/28685
956         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
957         (optimize_ops_list): Call it.
958
959 2010-05-08  Richard Guenther  <rguenther@suse.de>
960
961         PR tree-optimization/44030
962         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
963         NECESSARY flag if we propagate from a inserted expression.
964
965 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
966
967         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
968         domain types as equal if they are both PLACEHOLDER_EXPRs.
969
970 2010-05-08  Richard Guenther  <rguenther@suse.de>
971
972         * lto-wrapper.c (run_gcc): Remove linker output from
973         command line for LTRANS invocation.
974
975 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
976
977         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
978         lto-macho as lto_binary_reader.
979         * target.h (struct gcc_target): New hooks lto_start and lto_end.
980         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
981         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
982         in lto_start and lto_end calls.
983         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
984         magic numbers.
985         (scan_prog_file): Update is_elf_or_coff call.
986         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
987
988         * collect2.c (main): Fix enum comparison.
989
990         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
991         Add prototypes.
992         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
993         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
994         and TARGET_ASM_LTO_END.
995         * darwin.c: Include obstack.h and lto-streamer.h.
996         (lto_section_names_offset, lto_section_names_obstack,
997         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
998         global variables.
999         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1000         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
1001         to a temporary file.
1002         (darwin_asm_lto_end): New function.  Restore asm_out_file.
1003         (darwin_asm_named_section): For LTO sections, replace the name with
1004         the offset of the section name in a string table, and build this
1005         table.
1006         (darwin_file_start): Initialize global vars for LTO support.
1007         (darwin_file_end): If output to asm_out_file was redirected, append it
1008         to the proper asm_out_file here.  Add the section names section.
1009
1010 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1011
1012         * c-pragma.c (pending_weak_d, pending_weak): New.
1013         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1014         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1015         handle_pragma_weak): Update the uses of pending_weaks.
1016
1017 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1018
1019         PR documentation/44016
1020         * doc/standards.texi (Standards): Link to unversioned
1021         cxx0x_status.html page.
1022
1023 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
1024
1025         PR target/43708
1026         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1027         in addition to TREE_USED, to avoid "set but unused" warnings.
1028
1029 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1030
1031         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1032         (is_loop_prefetching_profitable): Do not insert prefetches
1033         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1034         times the prefetch ahead distance.
1035
1036 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1037
1038         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1039         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1040         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1041         the unroll_factor.
1042
1043 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1044
1045         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1046         a diagnostic info when the insn-to-mem ratio is too small.
1047
1048 2010-05-07  Richard Guenther <rguenther@suse.de>
1049
1050         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1051         the linker plugin.
1052         (store_arg): Queue temp_filename for deletion instead of
1053         the whole argument.
1054
1055 2010-05-07  Richard Guenther  <rguenther@suse.de>
1056
1057         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1058         (run_gcc): Handle LTRANS phase invocation.
1059         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1060
1061 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
1062
1063         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1064         this is also meaningful on PARM_DECLs and RESULT_DECLs.
1065
1066 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1067
1068         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1069
1070 2010-05-07  Richard Guenther  <rguenther@suse.de>
1071
1072         PR tree-optimization/44020
1073         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1074         code when PRE is not yet initialized.
1075
1076 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1077
1078         * config/mips/dbxmdebug.h: Remove.
1079         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1080
1081 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
1082
1083         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1084         with null pointer and also warn about ordered comparison of zero with
1085         pointer if -Wextra.
1086
1087 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1088
1089         * graphite-blocking.c
1090         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1091         * graphite-clast-to-gimple.c
1092         (clast_to_gcc_expression): Same.
1093         (precision_for_value): Same.
1094         (precision_for_interval): Same.
1095         (gcc_type_for_interval): Same.
1096         (graphite_create_new_guard): Same.
1097         (compute_bounds_for_level): Same.
1098         (graphite_create_new_loop_guard): Same.
1099         * graphite-interchange.c
1100         (build_linearized_memory_access): Same.
1101         (pdr_stride_in_loop): Same.
1102         (memory_strides_in_loop_1): Same.
1103         (memory_strides_in_loop): Same.
1104         (extend_scattering): Same.
1105         (psct_scattering_dim_for_loop_depth): Same.
1106         (pbb_number_of_iterations): Same.
1107         * graphite-poly.h
1108         (debug_iteration_domains): Same.
1109         * graphite-ppl.c
1110         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1111         (ppl_set_inhomogeneous_gmp): Same.
1112         (ppl_strip_loop): Same.
1113         (ppl_lexico_compare_linear_expressions): Same.
1114         (ppl_read_polyhedron_matrix): Same.
1115         (ppl_max_for_le_pointset): Same.
1116         * graphite-ppl.h
1117         (ppl_read_polyhedron_matrix): Same.
1118         (tree_int_to_gmp): Same.
1119         (gmp_cst_to_tree): Same.
1120         (ppl_set_inhomogeneous): Same.
1121         (ppl_set_inhomogeneous_tree): Same.
1122         (ppl_set_coef): Same.
1123         (ppl_set_coef_tree): Same.
1124         * graphite-sese-to-poly.c
1125         (build_pbb_scattering_polyhedrons): Same.
1126         (build_scop_scattering): Same.
1127         (scan_tree_for_params_right_scev): Same.
1128         (scan_tree_for_params): Same.
1129         (find_params_in_bb): Same.
1130         (find_scop_parameters): Same.
1131         (add_upper_bounds_from_estimated_nit): Same.
1132         (build_loop_iteration_domains): Same.
1133         (add_condition_to_domain): Same.
1134         (pdr_add_memory_accesses): Same.
1135
1136 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1137
1138         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1139         CLooG's value_* macros to their respective mpz_* counterparts.
1140         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1141         (graphite_create_new_loop_guard): Same.
1142         * graphite-interchange.c (build_linearized_memory_access): Same.
1143         (pdr_stride_in_loop): Same.
1144         (memory_strides_in_loop_1): Same.
1145         (1st_interchange_profitable_p): Same.
1146         * graphite-poly.c (extend_scattering): Same.
1147         (psct_scattering_dim_for_loop_depth): Same.
1148         (pbb_number_of_iterations): Same.
1149         (pbb_number_of_iterations_at_time): Same.
1150         * graphite-poly.h (new_1st_loop): Same.
1151         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1152         (oppose_constraint): Same.
1153         (insert_constraint_into_matrix): Same.
1154         (ppl_set_inhomogeneous_gmp): Same.
1155         (ppl_set_coef_gmp): Same.
1156         (ppl_strip_loop): Same.
1157         (ppl_lexico_compare_linear_expressions): Same.
1158         (ppl_max_for_le_pointset): Same.
1159         (ppl_min_for_le_pointset): Same.
1160         (ppl_build_realtion): Same.
1161         * graphite-ppl.h (gmp_cst_to_tree): Same.
1162         (ppl_set_inhomogeneous): Same.
1163         (ppl_set_inhomogeneous_tree): Same.
1164         (ppl_set_coef): Same.
1165         (ppl_set_coef_tree): Same.
1166         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1167         (build_scop_scattering): Same.
1168         (add_value_to_dim): Same.
1169         (scan_tree_for_params_right_scev): Same.
1170         (scan_tree_for_params_int): Same.
1171         (scan_tree_for_params): Same.
1172         (find_params_in_bb): Same.
1173         (find_scop_parameters): Same.
1174         (add_upper_bounds_from_estimated_nit): Same.
1175         (build_loop_iteration_domains): Same.
1176         (create_linear_expr_from_tree): Same.
1177         (add_condition_to_domain): Same.
1178         (pdr_add_memory_accesses): Same.
1179
1180 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
1181             Jason Merrill  <jason@redhat.com>
1182
1183         * c-common.c (c_common_reswords): Add nullptr.
1184         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
1185         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1186         (gen_type_die_with_usage): Likewise.
1187         * dbxout.c (dbxout_type): Likewise.
1188         * sdbout.c (plain_type_1): Likewise.
1189
1190 2010-05-06  Jason Merrill  <jason@redhat.com>
1191
1192         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1193         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
1194         ret appropriately.
1195         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1196
1197         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1198         stripping WITH_SIZE_EXPR.
1199         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1200         change.
1201
1202 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1203
1204         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1205         list of obsolete configurations.
1206         Disabled check for obsolete configurations.
1207         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1208         Removed support for previous versions.
1209         * config/mips/iris.h: Removed.
1210         * config/mips/iris5.h: Removed.
1211         * config/mips/iris6.h: Merged old iris.h contents.
1212         (TARGET_IRIX): Removed.
1213         (DRIVER_SELF_SPECS): Removed mabi=32.
1214         (IDENT_ASM_OP): Removed undef.
1215         (STARTFILE_SPEC): Removed mabi=32.
1216         (ENDFILE_SPEC): Likewise.
1217         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1218         (MACHINE_TYPE): Update for IRIX 6.5.
1219         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1220         TARGET_IRIX by TARGET_IRIX6.
1221         (mips_file_start): Likewise.
1222         (mips_output_external): Remove IRIX 5/6 O32 support.
1223         (mips_output_function_prologue): Likewise.
1224         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1225         TARGET_IRIX6.
1226         (TARGET_CPU_CPP_BUILTINS): Likewise.
1227         (TARGET_IRIX): Removed.
1228         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1229         (MULTILIB_DIRNAMES): Removed 32.
1230         (MULTILIB_OSDIRNAMES): Removed ../lib.
1231         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1232         (Specific, mips-sgi-irix5): Document removal.
1233         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1234         Remove references to older IRIX 6 releases and the O32 ABI.
1235
1236 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1237
1238         PR bootstrap/43994
1239         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1240         instead of DF_REF_REAL_REG.
1241
1242 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1243
1244         PR target/43888
1245         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1246         handling to still return true for x64 targets.
1247
1248 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1249
1250         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1251
1252 2010-05-06  Jan Hubicka  <jh@suse.cz>
1253
1254         PR tree-optimization/43791
1255         * ipa-inline.c (update_caller_keys): Remove bogus
1256         disregard_inline_limits check.
1257
1258 2010-05-06  Michael Matz  <matz@suse.de>
1259
1260         PR tree-optimization/43984
1261         * tree-ssa-pre.c (inserted_phi_names): Remove.
1262         (inserted_exprs): Change to bitmap.
1263         (create_expression_by_pieces): Set bits, don't append to vector.
1264         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1265         (eliminate): Don't look at inserted_phi_names, remove deleted
1266         insns from inserted_exprs.
1267         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1268         (init_pre, fini_pre): Allocate and free bitmaps.
1269         (execute_pre): Insert insns on edges before elimination.
1270
1271 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1272
1273         * tree.c (initializer_zerop): Handle STRING_CST.
1274
1275 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1276
1277         PR 40989
1278         * doc/invoke.texi (Wimplicit): Document as C only.
1279         * opts.c (common_handle_option): Add argument kind.
1280         (handle_option): Rename as read_cmdline_option. Factor out code to...
1281         (handle_option): ... here. New.
1282         (handle_options): Rename as read_cmdline_options.
1283         (decode_options): Update call.
1284         (set_option): Use option index instead of option pointer. Classify
1285         diagnostics correctly.
1286         (enable_warning_as_error): Call handle_option.
1287         * opts.h (set_option): Update declaration.
1288         (handle_option): Declare.
1289         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1290         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1291         * c-opts.c (set_Wimplicit): Delete.
1292         (c_family_lang_mask): New static constant.
1293         (c_common_handle_option): Add argument kind. Use handle_option
1294         instead of set_Wimplicit.
1295         (c_common_post_options): warn_implicit and warn_implicit_int
1296         are disabled by default.
1297         * c-common.c (warn_implicit): Do not define here.
1298         * c-common.h (warn_implicit): Do not declare here.
1299         (c_common_handle_option): Update declaration.
1300         * lto-opts.c (lto_reissue_options): Update call to set_option.
1301
1302 2010-05-06  Richard Guenther  <rguenther@suse.de>
1303
1304         PR tree-optimization/43571
1305         * domwalk.c (walk_dominator_tree): Walk the dominator
1306         sons in more optimal order.
1307
1308 2010-05-06  Richard Guenther  <rguenther@suse.de>
1309
1310         PR tree-optimization/43934
1311         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1312         (stmt_cost): Likewise.
1313         (extract_true_false_args_from_phi): New helper.
1314         (determine_max_movement): For PHI nodes verify we can hoist them
1315         and compute their cost.
1316         (determine_invariantness_stmt): Handle PHI nodes.
1317         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1318         if-converted form using COND_EXPRs.
1319         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1320         (tree_ssa_lim): Likewise.
1321         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1322         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1323
1324 2010-05-06  Richard Guenther  <rguenther@suse.de>
1325
1326         PR tree-optimization/43987
1327         * tree-ssa-structalias.c (could_have_pointers): For possibly
1328         address-taken variables force pointers to be recorded.
1329         (create_variable_info_for_1): Likewise.
1330         (push_fields_onto_fieldstack): Pass in wheter all fields
1331         must have pointers.
1332         (find_func_aliases): Query types instead of vars whether
1333         they contain pointers where appropriate.
1334
1335 2010-05-06  Jan Hubicka  <jh@suse.cz>
1336
1337         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1338         (record_reference, mark_address, mark_load, mark_store): Record
1339         references.
1340         (record_references_in_initializer): Update call of record_references.
1341         (rebuild_cgraph_edges): Remove all references before rebuiding.
1342         * cgraph.c (cgraph_create_node): Clear ref list.
1343         (cgraph_remove_node): Remove references.
1344         (dump_cgraph_node): Dump references.
1345         (cgraph_clone_node): Clone references.
1346         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1347         (struct cgraph_node, varpool_node): Add ref_lst.
1348         * ipa-ref.c: New file.
1349         * ipa-ref.h: New file.
1350         * ipa-ref-inline.h: New file.
1351         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1352         (referenced_from_other_partition_p): New function.
1353         (lto_output_varpool_node): Take set arugment; call
1354         referenced_from_other_partition.
1355         (lto_output_ref): New.
1356         (add_references): New.
1357         (output_refs): New.
1358         (output_cgraph): Compute boundary based on references; output refs.
1359         (output_varpool): Accept cgraph_node_set argument.
1360         (input_ref): New.
1361         (input_refs): New.
1362         (input_cgraph): Call input_refs.
1363         * lto-section-in.c (lto_section_name): Add refs.
1364         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1365         (ipa-ref.o): New file.
1366         * varpool.c (varpool_node): Clear ipa ref list.
1367         (varpool_remove_node): Remove references.
1368         (dump_varpool_node): Dump references.
1369         (varpool_assemble_decl): Only compile finalized ones.
1370         (varpool_extra_name_alias): Initialize ref list.
1371         * lto-streamer.c (lto-get_section_name): Add .refs section.
1372         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1373         (referenced_from_other_partition_p): Declared.
1374
1375 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1376
1377         PR tree-optimization/43901
1378         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1379         type is not NULL if it's transformation phase, and return
1380         FALSE if it's analysis.
1381         (vectorizable_conversion, vectorizable_operation,
1382         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1383
1384 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1385
1386         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1387         Delete.
1388         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1389         New define.
1390         * config/mips/mips-protos.h
1391         (mips_small_register_classes_for_mode_p): Delete prototype.
1392
1393 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1394
1395         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1396         * config/arm/arm.c (multiple_operation_profitable_p,
1397         compute_offset_order): New static functions.
1398         (load_multiple_sequence, store_multiple_sequence): Use them.
1399         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1400         memory offsets, not register numbers.
1401         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1402
1403 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1404
1405         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1406         (get_pending_sizes, put_pending_size, put_pending_sizes):
1407         Update the uses of pending_sizes.
1408         * c-decl.c (store_parm_decls): Likewise.
1409         * c-tree.h (struct c_arg_info): Likewise.
1410         * tree.h: Update the prototype for get_pending_sizes and
1411         put_pending_sizes.
1412
1413 2010-05-05  Jason Merrill  <jason@redhat.com>
1414
1415         PR debug/43370
1416         * c-common.c (handle_aligned_attribute): Respect
1417         ATTR_FLAG_TYPE_IN_PLACE.
1418
1419         PR testsuite/43758
1420         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1421         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1422         (TARGET_INITIALIZER): Use it.
1423         * c-common.c (attribute_takes_identifier_p): Call it.
1424         * c-common.h: Update prototype.
1425         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1426         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1427
1428 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1429
1430         PR debug/43950
1431         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1432         DW_ID_down_case for Fortran compilation units.
1433
1434 2010-05-05  Jan Hubicka  <jh@suse.cz>
1435
1436         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1437         handle aliases.
1438
1439 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1440
1441         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1442         a variable-sized RESULT_DECL.
1443
1444 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1445
1446         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1447
1448 2010-05-05  Jason Merrill  <jason@redhat.com>
1449
1450         PR c++/43787
1451         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1452         returns GS_OK.
1453         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1454
1455 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1456             Jakub Jelinek  <jakub@redhat.com>
1457
1458         PR debug/43478
1459         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1460         (dead_debug_init, dead_debug_finish): New functions.
1461         (dead_debug_add, dead_debug_insert_before): Likewise.
1462         (df_note_bb_compute): Initialize a dead_debug object, add dead
1463         debug uses to it, insert debug bind insns before death insns,
1464         reset debug insns that refer to pending uses at the end.
1465         * rtl.h (make_debug_expr_from_rtl): New prototype.
1466         * varasm.c (make_debug_expr_from_rtl): New function.
1467
1468 2010-05-05  Jan Hubicka  <jh@suse.cz>
1469
1470         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1471         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1472         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1473         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1474         lto_varpool_encoder_encode_initializer_p,
1475         lto_set_varpool_encoder_encode_initializer): New functions.
1476         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1477         call output_varpool.
1478         (input_varpool_node): Do not always set analyzed.
1479         (input_cgraph_1): Return vector of cgraph nodes.
1480         (input_varpool_1): Return vector of varpools.
1481         (input_cgraph): Free the vectors.
1482         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1483         output only initializers needed.
1484         (lto_output): Only call output_cgraph.
1485         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1486         * lto-section-out.c (lto_new_out_decl_state): Initialize
1487         state->varpool_node_encoder.
1488         * lto-streamer.h (lto_varpool_encoder_d): New.
1489         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1490         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1491         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1492         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1493         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1494         Declare.
1495         (output_varpool, input_varpool): Remove declarations.
1496
1497 2010-05-05  Jan Hubicka  <jh@suse.cz>
1498
1499         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1500         with body can prevail.
1501
1502 2010-05-05  Jan Hubicka  <jh@suse.cz>
1503
1504         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1505         size.
1506
1507 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1508
1509         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1510
1511         * gengtype.h (erro_at_line): Constify pos argument.
1512
1513         * gengtype.c: Include hashtab.h.
1514         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1515         (error_at_line): Constify pos argument.
1516         (do_typedef): Initialize p->opt field.
1517         (get_file_gtfilename): Fix comment typo.
1518         (struct walk_type_data): Constify line field.
1519         (get_output_file_for_structure): New function.
1520         (write_local_func_for_structure): Constify orig_s argument.
1521         Use get_output_file_for_structure.
1522         (write_func_for_structure): Use get_output_file_for_structure.
1523         (INDENT): New define.
1524         (dump_pair, dump_type, dump_type_list, dump_typekind)
1525         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1526         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1527         functions.
1528         (seen_types): New variable.
1529         (main): New variable do_dump.  Process "-d" command line option.
1530         Call dump_everything if dump requested.
1531
1532 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1533
1534         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1535         in a temporary instead of invoking the macro multiple times.
1536         (track_expr_p): Likewise.
1537
1538 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1539
1540         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1541         per new semantics.
1542         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1543         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1544         conditions for printing notes.
1545         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1546         true, update documentation.
1547         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1548
1549 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1550
1551         PR c/43981
1552         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1553         on dimen.
1554
1555 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1556
1557         PR target/43799
1558         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1559         (*sse_prologue_save_insn1): Likewise.
1560         (SSE prologue save splitter): Likewise.
1561
1562 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1563
1564         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1565         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1566         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1567         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1568         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1569         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1570         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1571
1572 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1573
1574         * tree-sra.c (build_access_from_expr_1): The first parameter type
1575         changed to simple tree.
1576         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1577         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1578         renamed as well.
1579         (build_accesses_from_assign): Removed all parameters except for a
1580         simple gimple statement.  Now returns a simple bool.
1581         (scan_function): All non-analysis parts moved to separate functions
1582         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1583         parameters and updated both callers.
1584         (sra_modify_expr): Removed parameter data.
1585         (sra_modify_function_body): New function.
1586         (perform_intra_sra): Call sra_modify_function_body to modify the
1587         function body.
1588         (replace_removed_params_ssa_names): Parameter data changed into
1589         adjustments vector.
1590         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1591         changed the parameter dont_convert to convert with the opposite
1592         meaning.
1593         (sra_ipa_modify_assign): Parameter data changed into adjustments
1594         vector, return value changed to bool.
1595         (ipa_sra_modify_function_body): New function.
1596         (sra_ipa_reset_debug_stmts): Updated a comment.
1597         (modify_function): Use ipa_sra_modify_function_body to modify function
1598         body.
1599
1600 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1601
1602         PR middle-end/43671
1603         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1604         (canon_true_dependence): Likewise.
1605         (write_dependence_p): Likewise.
1606
1607 2010-05-04  Jan Hubicka  <jh@suse.cz>
1608
1609         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1610         * cgraphbuild.c: Include ipa-utils.h
1611         (record_reference_ctx): New struct.
1612         (record_reference): Simplify to work on initializers; not statements.
1613         (mark_address, mark_load, mark_store): New.
1614         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1615         walk PHI nodes too.
1616         (record_references_in_initializer): Update use of record_reference.
1617         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1618         walk PHI nodes too.
1619
1620 2010-05-04  Jan Hubicka  <jh@suse.cz>
1621
1622         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1623         node will be removed anyway.
1624         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1625         relink aliases of node into prevailing node.
1626         * varpool.c (varpool_remove_node): Remove aliases properly;
1627         when removing node, remove all its aliases too; remove DECL_INITIAL
1628         of removed node; ggc_free the varpool node.
1629
1630 2010-05-04  Richard Guenther  <rguenther@suse.de>
1631
1632         PR tree-optimization/43879
1633         * tree-ssa-structalias.c (alias_get_name): Use
1634         DECL_ASSEMBLER_NAME if available.
1635         (create_function_info_for): Return the varinfo node.
1636         (ipa_pta_execute): Associate same-body aliases and extra names
1637         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1638
1639 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1640
1641         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1642
1643 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1644
1645         PR bootstrap/43964
1646         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1647         only if HONOR_REG_ALLOC_ORDER is not defined.
1648
1649 2010-05-04  Richard Guenther  <rguenther@suse.de>
1650
1651         PR tree-optimization/43949
1652         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1653         TRUNC_MOD_EXPR.
1654
1655 2010-04-26  Jason Merrill  <jason@redhat.com>
1656
1657         * c.opt (-fstrict-enums): New.
1658         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1659
1660 2010-05-03  David Ung <davidu@mips.com>
1661             James E. Wilson  <wilson@codesourcery.com>
1662
1663         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1664         emit the trap instruction before the divide for TUNE_74K.
1665
1666 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1667
1668         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1669         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1670         based on the above, for new target hook.
1671
1672         * hooks.c (hook_bool_mode_true): New generic hook.
1673         * hooks.h (hook_bool_mode_true): Add prototype.
1674
1675         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1676         target hook.
1677         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1678         target hook, set to hook_bool_mode_false.
1679         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1680         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1681         with targetm.small_register_classes_for_mode_p.
1682         (find_reusable_reload): Likewise.
1683         (combine_reloads): Likewise.
1684         * reload1.c (reload_as_needed): Likewise.
1685         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1686         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1687         dead_or_predicable): Likewise.
1688         * regmove.c (optimize_reg_copy_1): Likewise.
1689         * calls.c (prepare_call_address): Likewise.
1690         (precompute_register_parameters): Likewise.
1691
1692         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1693         hook definition.
1694         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1695         implementation of the hook that considers all register classes
1696         small except for SH64.
1697         (sh_override_options): Use the new hook.
1698         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1699         Add prototype.
1700
1701         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1702         hook definition.
1703         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1704         implementation of the hook that considers all register classes
1705         small for THUMB1.
1706         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1707         Add prototype.
1708
1709         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1710         hook definition.
1711         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1712         implementation of the hook that considers all register classes
1713         small for MIPS16.
1714         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1715         Add prototype.
1716
1717         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1718         hook definition.
1719         * config/m32c/m32c.h: Likewise.
1720         * config/pdp11/pdp11.h: Likewise.
1721         * config/avr/avr.h: Likewise.
1722         * config/xtensa/xtensa.h: Likewise.
1723         * config/m68hc11/m68hc11.h: Likewise.
1724         * config/mn10300/mn10300.h: Likewise.
1725         * config/mcore/mcore.h: Likewise.
1726         * config/h8300/h8300.h: Likewise.
1727         * config/bfin/bfin.h: Likewise.
1728
1729         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1730         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1731
1732 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1733
1734         * double-int.h (tree_to_double_int): Remove macro.
1735         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1736         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1737         (tree_to_double_int): New function.
1738         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1739         Move ...
1740         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1741
1742 2010-05-03  Richard Guenther  <rguenther@suse.de>
1743
1744         PR tree-optimization/43971
1745         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1746         constraints in the !flag_delete_null_pointer_checks case.
1747
1748 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1749
1750         PR debug/43972
1751         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1752         result mode matches original rtl mode.
1753
1754 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1755
1756         PR target/43888
1757         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1758
1759 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1760
1761         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1762         when processing flag options.
1763
1764 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1765
1766         * gcov-iov.c (main): Change format string placeholder
1767         from %#08x to 0x%08x.
1768         * genchecksum.c (dosum): Change format string placeholder
1769         from %#02x to 0x%02x.
1770
1771 2010-05-02  Richard Guenther  <rguenther@suse.de>
1772
1773         PR tree-optimization/43879
1774         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1775
1776 2010-05-02  Bruno Haible  <bruno@clisp.org>
1777
1778         * doc/extend.texi (Function Attributes): Fix a typo.
1779
1780 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1781
1782         Revert:
1783         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1784         placeholder from 0x%x to %#x.
1785         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1786         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1787         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1788         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1789         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1790         * config/i386/i386.c (ix86_target_string): Ditto.
1791         * config/i386/i386.c (output_pic_addr_const): Ditto.
1792         (print_operand): Ditto.
1793
1794 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1795
1796         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1797         placeholder from 0x%x to %#x.
1798         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1799         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1800         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1801         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1802         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1803         * optc-gen.awk: Ditto.
1804         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1805         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1806         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1807         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1808
1809 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1810
1811         * target.h (struct calls): Add function_value_regno_p field.
1812         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1813         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1814         * targhooks.c (default_function_value_regno_p): New function.
1815         * targhooks.h (default_function_value_regno_p): Declare function.
1816         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1817         * builtins.c. (apply_result_size): (Ditto.).
1818         * combine.c. (likely_spilled_retval_p): (Ditto.).
1819         * mode-switching.c. Include 'target.h'.
1820         (create_pre_exit): Use function_value_regno_p hook.
1821         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1822         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1823         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1824
1825         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1826         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1827         (ix86_function_value_regno_p): Declare as static, change argument
1828         type to const unsigned int.
1829         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1830
1831 2010-05-01  Richard Guenther  <rguenther@suse.de>
1832
1833         PR tree-optimization/43949
1834         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1835         types.
1836         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1837
1838 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1839
1840         * rtl.h (CONST_DOUBLE_P): Define.
1841         (rtx_to_double_int): Declare.
1842         * emit-rtl.c (rtx_to_double_int): New function.
1843         * dwarf2out.c (insert_double): New function.
1844         (loc_descriptor, add_const_value_attribute): Clean up, use
1845         rtx_to_double_int and insert_double functions.
1846
1847 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1848
1849         * doc/extend.texi (Inline): Add missing return keyword to examples.
1850         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1851         "command-line".
1852
1853 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1854
1855         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1856         the variable part of the offset as well.  Use highest_pow2_factor for
1857         all alignment checks.
1858
1859 2010-04-30  Richard Guenther  <rguenther@suse.de>
1860
1861         PR tree-optimization/43879
1862         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1863         can have pointers.
1864
1865 2010-04-30  Jan Hubicka  <jh@suse.cz>
1866
1867         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1868         varpool.
1869         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1870
1871 2010-04-30  Jan Hubicka  <jh@suse.cz>
1872
1873         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1874         New.
1875         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1876         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1877         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1878         cgraph_node_set_needs_ltrans_p): Remove.
1879
1880 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1881
1882         * sdbout.c: Include vec.h, do not include varray.h.
1883         (deferred_global_decls, sdbout_global_decl,
1884         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1885         * toplev.c: Do not include varray.h.
1886         (dump_memory_report): Do not dump VARRAY statistics.
1887         * gengtype.c (open_base_file): Ignore varray.h.
1888         * Makefile.in: Update for abovementioned changes.
1889         Remove all traces of varray.c and varray.h.
1890         * varray.c: Remove file.
1891         * varray.h: Remove file.
1892
1893 2010-04-30  Jan Hubicka  <jh@suse.cz>
1894
1895         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1896         references.
1897
1898 2010-04-30  Jan Hubicka  <jh@suse.cz>
1899
1900         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1901         needed.
1902
1903 2010-04-30  Richard Guenther  <rguenther@suse.de>
1904
1905         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1906         constraints for CONSTRUCTOR.
1907
1908 2010-04-30  Richard Guenther  <rguenther@suse.de>
1909
1910         PR lto/43946
1911         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1912         first after all lowering passes.
1913
1914 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1915
1916         * toplev.c: Include varray.h for statistics dumping.
1917         * tree.h: Do not declare varray_head_tag.
1918         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1919         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1920         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1921         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1922         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1923         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1924         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1925         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1926         include varray.h.
1927         * Makefile.in: Update for abovementioned changes.
1928
1929 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1930
1931         PR debug/43942
1932         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1933
1934 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1935
1936         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1937         Use this function to do machine-specific conversion.
1938         (picochip_legitimize_reload_address): Likewise.
1939         (picochip_legitimate_address_p): Check valid base register only if
1940         strict.
1941         (picochip_check_conditional_copy): Check for modw only if opnd is
1942         register.
1943         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1944         to call the function in c.
1945         * config/picochip/picochip-protos.h
1946         (picochip_legitimize_reload_address): Define.
1947         * config/picochip/picochip.md (supported_compare1): Define.
1948
1949 2010-04-30  Jan Hubicka  <jh@suse.cz>
1950
1951         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1952         (cgraph_global_info): Remove inlined.
1953         (LTO_cgraph_tag_names): Remove.
1954         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1955         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1956         simplify cgraph tags and document.
1957         (lto_output_node): Use only LTO_cgraph_unavail_node and
1958         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1959         for_functions_valid, global info, process and output flags.
1960         (input_overwrite_node): Initialize estimated stack size and
1961         estimated growth.  Do not read flags we no longer store.
1962         (input_node): Likewise do not read info no longer stored.
1963         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1964         flag.
1965
1966 2010-04-30  Richard Guenther  <rguenther@suse.de>
1967
1968         PR tree-optimization/43879
1969         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1970         handle non-zero initializers.
1971
1972 2010-04-30  Richard Guenther  <rguenther@suse.de>
1973
1974         * builtins.c (fold_builtin_1): Delete free (0).
1975
1976 2010-04-29  Jan Hubicka  <jh@suse.cz>
1977
1978         * gengtype.c (open_base_files): Add lto-streamer.h
1979         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1980         (pass_ipa_cp): GGC collect.
1981         * toplev. (compile_file): Do not output symbols.
1982         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1983         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1984         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1985         * lto-section-in.c: Include ggc.h
1986         (lto_new_in_decl_state): Alloc in GGC.
1987         (lto_delete_in_decl_state): Likewise.
1988         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1989         Collect.
1990
1991 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1992
1993         PR target/42895
1994         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1995         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1996         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1997         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1998         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1999         account only if HONOR_REG_ALLOC_ORDER is not defined.
2000         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2001         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2002
2003 2010-04-29  Jon Grant  <04@jguk.org>
2004
2005         * collect2.c (vflag): Change type from int to bool.
2006         (debug): Likewise.
2007         (helpflag): New global bool.
2008         (main): Set vflag and debug with boolean, not integer truth values.
2009         Accept new "--help" option and output usage text if found.
2010         * collect2.h (vflag): Update prototype.
2011         (debug): Likewise.
2012
2013 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2014
2015         PR bootstrap/43936
2016         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2017
2018 2010-04-29  Richard Guenther  <rguenther@suse.de>
2019
2020         PR bootstrap/43935
2021         * plugin.h (invoke_plugin_callbacks): Annotate arguments
2022         with ATTRIBUTE_UNUSED.
2023
2024 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2025
2026         PR target/43921
2027         * config/i386/i386.c (get_some_local_dynamic_name): Replace
2028         INSN_P with NONDEBUG_INSN_P.
2029         (distance_non_agu_define): Likewise.
2030         (distance_agu_use): Likewise.
2031
2032 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2033
2034         From Dominique d'Humieres <dominiq@lps.ens.fr>
2035         PR bootstrap/43858
2036         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2037         test_set.
2038
2039 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
2040
2041         * plugin.h (invoke_plugin_callbacks): New inline function.
2042         * plugin.c (flag_plugin_added): New global flag.
2043         (add_new_plugin): Initialize above flag.
2044         (invoke_plugin_callbacks): Rename to ...
2045         (invoke_plugin_callbacks_full): ... this.
2046
2047 2010-04-28  Jan Hubicka  <jh@suse.cz>
2048
2049         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2050         (lto_varpool_replace_node): New.
2051         (lto_symtab_resolve_symbols): Resolve varpool nodes.
2052         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2053         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2054         * cgraph.h (varpool_node_ptr): New type.
2055         (varpool_node_ptr): New vector.
2056         (varpool_node_set_def): New structure.
2057         (varpool_node_set): New type.
2058         (varpool_node_set): New vector.
2059         (varpool_node_set_element_def): New structure.
2060         (varpool_node_set_element, const_varpool_node_set_element): New types.
2061         (varpool_node_set_iterator): New type.
2062         (varpool_node): Add prev pointers, add used_from_other_partition,
2063         in_other_partition.
2064         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2065         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2066         varpool_get_node, varpool_remove_node): Declare.
2067         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2068         varpool_node_set_size): New inlines.
2069         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2070         * tree-pass.h (varpool_node_set_def): Forward declare.
2071         (ipa_opt_pass_d): Summary writting takes vnode sets too.
2072         (ipa_write_optimization_summaries): Update prototype.
2073         * ipa-cp.c (ipcp_write_summary): Update.
2074         * ipa-reference.c (ipa_reference_write_summary): Update.
2075         * lto-cgraph.c (lto_output_varpool_node): New static function.
2076         (output_varpool): New function.
2077         (input_varpool_node): New static function.
2078         (input_varpool_1): New function.
2079         (input_cgraph): Input varpool.
2080         * ipa-pure-const.c (pure_const_write_summary): Update.
2081         * lto-streamer-out.c (lto_output): Update, output varpool too.
2082         (write_global_stream): Kill WPA hack.
2083         (produce_asm_for_decls): Update.
2084         (output_alias_pair_p): Handle variables.
2085         (output_unreferenced_globals): Output only needed partition of varpool.
2086         * ipa-inline.c (inline_write_summary): Update.
2087         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2088         cgraph.
2089         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2090         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2091         varpool_node_set_new, varpool_node_set_add,
2092         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2093         debug_varpool_node_set): New functions.
2094         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2095         (execute_one_pass): Process new decls too.
2096         (ipa_write_summaries_2): Pass around vsets.
2097         (ipa_write_summaries_1): Likewise.
2098         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2099         to add.
2100         (ipa_write_optimization_summaries_1): Pass around vsets.
2101         (ipa_write_optimization_summaries): Likewise.
2102         * varpool.c (varpool_get_node): New.
2103         (varpool_node): Update doubly linked lists.
2104         (varpool_remove_node): New.
2105         (dump_varpool_node): More dumping.
2106         (varpool_enqueue_needed_node): Update doubly linked lists.
2107         (decide_is_variable_needed): Kill ltrans hack.
2108         (varpool_finalize_decl): Kill lto hack.
2109         (varpool_assemble_decl): Skip decls in other partitions.
2110         (varpool_assemble_pending_decls): Update doubly linkes lists.
2111         (varpool_empty_needed_queue): Likewise.
2112         (varpool_extra_name_alias): Likewise.
2113         * lto-streamer.c (lto_get_section_name): Add vars section.
2114         * lto-streamer.h (lto_section_type): Update.
2115         (output_varpool, input_varpool): Declare.
2116
2117 2010-04-28  Mike Stump  <mikestump@comcast.net>
2118
2119         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2120
2121 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2122
2123         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2124         record or union type with RECORD_OR_UNION_TYPE_P predicate.
2125         (lto_input_ts_type_tree_pointers): Likewise.
2126         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2127         (lto_output_ts_type_tree_pointers): Likewise.
2128
2129 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2130
2131         Uniquization of constants at the Tree level
2132         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2133         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2134         bit to the end.
2135         (tree_output_constant_def): Declare.
2136         * gimplify.c (gimplify_init_constructor): When using block copy, first
2137         uniquize the constant constructor on the RHS.
2138         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2139         DECL_IN_CONSTANT_POOL flag.
2140         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2141         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2142         constant pool.
2143         (assemble_variable): Deal with symbols belonging to the tree constant
2144         pool.
2145         (get_constant_section): Add ALIGN parameter and simplify.
2146         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2147         (assemble_constant_contents): Use the expression of the VAR_DECL.
2148         (output_constant_def_contents): Use the alignment of the VAR_DECL.
2149         (tree_output_constant_def): New global function.
2150         (mark_constant): Use the expression of the VAR_DECL.
2151         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2152         its expression.
2153         (output_object_block): Likewise and assemble the expression.
2154
2155 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2156
2157         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2158         hash_tree, eq_tree): New tree hash table.
2159         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2160         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2161         lto_orig_address_remove): Reimplement.
2162
2163 2010-04-28  Xinliang David Li  <davidxl@google.com>
2164
2165         PR c/42643
2166         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2167         (compute_uninit_opnds_pos): New function.
2168         (is_non_loop_exit_postdominating): New function.
2169         (compute_control_dep_chain): New function.
2170         (find_pdom): New function.
2171         (convert_control_dep_chain_into_preds): New function.
2172         (find_predicates): New function.
2173         (find_control_equiv_block): New function.
2174         (collect_phi_def_edges): New function.
2175         (find_def_preds): New function.
2176         (find_dom): New function.
2177         (dump_predicates): New function.
2178         (get_cmp_code): New function.
2179         (is_value_included_in): New function.
2180         (find_matching_predicate_in_rest_chains): New function.
2181         (use_pred_not_overlap_with_undef_path_pred): New function.
2182         (is_use_properly_guarded): New function.
2183         (normalize_cond_1): New function.
2184         (is_and_or_or): New function.
2185         (normalize_cond): New function.
2186         (is_gcond_subset_of): New function.
2187         (is_subset_of_any): New function.
2188         (is_or_set_subset_of): New function.
2189         (is_and_set_subset_of): New function.
2190         (is_norm_cond_subset_of): New function.
2191         (is_pred_expr_subset_of): New function.
2192         (is_pred_chain_subset_of): New function.
2193         (is_included_in): New function.
2194         (is_superset_of): New function.
2195         (find_uninit_use): New function.
2196         (warn_uninitialized_phi): New function.
2197         (compute_possibly_undefined_names): New function.
2198         (ssa_undefined_value_p): New function.
2199         (execute_late_warn_uninitialized): New function.
2200         * tree-ssa.c (ssa_undefined_value_p): Removed.
2201         (warn_uninit): Changed to extern.
2202         (warn_uninitialized_phi): Removed.
2203         (warn_uninitialized_vars): Changed to extern.
2204         (execute_late_warn_uninitialized): Removed
2205         * tree-flow.h: Add new prototypes.
2206         * timevar.def: Add new time variable.
2207         * Makefile.in: Add new build file.
2208
2209 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
2210
2211         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2212         type if available.
2213
2214 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2215
2216         PR target/22224
2217         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2218
2219 2010-04-28  Martin Jambor  <mjambor@suse.cz>
2220
2221         * cgraph.h (struct cgraph_node): New field indirect_calls.
2222         (struct cgraph_indirect_call_info): New type.
2223         (struct cgraph_edge): Removed field indirect_call. New fields
2224         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2225         (cgraph_create_indirect_edge): Declare.
2226         (cgraph_make_edge_direct): Likewise.
2227         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2228         * ipa-prop.h (struct ipa_param_call_note): Removed.
2229         (struct ipa_node_params): Removed field param_calls.
2230         (ipa_create_all_structures_for_iinln): Declare.
2231         * cgraph.c: Described indirect edges and uids in initial comment.
2232         (cgraph_add_edge_to_call_site_hash): New function.
2233         (cgraph_edge): Search also among the indirect edges, use
2234         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2235         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2236         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2237         site hash.
2238         (initialize_inline_failed): Assign a reason to indirect edges.
2239         (cgraph_create_edge_1): New function.
2240         (cgraph_create_edge): Moved some functionality to
2241         cgraph_create_edge_1.
2242         (cgraph_create_indirect_edge): New function.
2243         (cgraph_edge_remove_callee): Add an assert checking for
2244         non-indirectness.
2245         (cgraph_edge_remove_caller): Special-case indirect edges.
2246         (cgraph_remove_edge): Likewise.
2247         (cgraph_set_edge_callee): New function.
2248         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2249         (cgraph_make_edge_direct): New function.
2250         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2251         the declaration of the call statement matches.
2252         (cgraph_node_remove_callees): Special-case indirect edges.
2253         (cgraph_clone_edge): Likewise.
2254         (cgraph_clone_node): Clone also the indirect edges.
2255         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2256         indirect_call, dump count of indirect_calls edges.
2257         * ipa-prop.c (iinlining_processed_edges): New variable.
2258         (ipa_note_param_call): Create indirect edges instead of
2259         creating notes.  New parameter node.
2260         (ipa_analyze_call_uses): New parameter node, pass it on to
2261         ipa_note_param_call.
2262         (ipa_analyze_stmt_uses): Likewise.
2263         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2264         (print_edge_addition_message): Work on edges rather than on notes.
2265         (update_call_notes_after_inlining): Likewise, renamed to
2266         update_indirect_edges_after_inlining.
2267         (ipa_create_all_structures_for_iinln): New function.
2268         (ipa_free_node_params_substructures): Do not free notes.
2269         (ipa_edge_duplication_hook): Propagate bits within
2270         iinlining_processed_edges bitmap.
2271         (ipa_node_duplication_hook): Do not duplicate notes.
2272         (free_all_ipa_structures_after_ipa_cp): Renamed to
2273         ipa_free_all_structures_after_ipa_cp.
2274         (free_all_ipa_structures_after_iinln): Renamed to
2275         ipa_free_all_structures_after_iinln.
2276         (ipa_write_param_call_note): Removed.
2277         (ipa_read_param_call_note): Removed.
2278         (ipa_write_indirect_edge_info): New function.
2279         (ipa_read_indirect_edge_info): Likewise.
2280         (ipa_write_node_info): Do not stream notes, do stream information
2281         in indirect edges.
2282         (ipa_read_node_info): Likewise.
2283         (lto_ipa_fixup_call_notes): Removed.
2284         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2285         * ipa-inline.c (pass_ipa_inline): Likewise.
2286         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2287         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2288         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2289         is_gimple_call.
2290         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2291         edges.
2292         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2293         (output_cgraph): Stream also indirect edges.
2294         (lto_output_edge): Added capability to stream indirect edges.
2295         (input_edge): Likewise.
2296         (input_cgraph_1): Likewise.
2297         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2298         of indirect edges.
2299
2300 2010-04-28  Richard Guenther  <rguenther@suse.de>
2301
2302         PR tree-optimization/43879
2303         PR tree-optimization/43909
2304         * tree-ssa-structalias.c (struct variable_info): Add
2305         only_restrict_pointers flag.
2306         (new_var_info): Initialize it.  Increment stats.total_vars here.
2307         (create_function_info_for): Do not increment stats.total_vars here.
2308         (get_function_part_constraint): Fix build with C++.
2309         (insert_into_field_list): Remove.
2310         (push_fields_onto_fieldstack): Properly merge fields.
2311         (create_variable_info_for): Split and simplify.
2312         (create_variable_info_for_1): New piece.
2313         (intra_create_variable_infos): Properly make restrict constraints
2314         from parameters.
2315
2316 2010-04-28  Richard Guenther  <rguenther@suse.de>
2317
2318         PR c++/43880
2319         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2320
2321 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2322             Jan Hubicka <hubicka@ucw.cz>
2323
2324         * doc/invoke.texi (-Wsuggest-attribute=const,
2325         -Wsuggest-attribute=pure): Document.
2326         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2327         (function_always_visible_to_compiler_p,
2328         suggest_attribute, warn_function_pure, warn_function_const):
2329         New functions.
2330         (check_call): Improve debug info.
2331         (analyze_function): Do not check availability.
2332         (add_new_function): Check availability.
2333         (propagate): Output warnings.
2334         (skip_function_for_local_pure_const): New function.
2335         (local_pure_const): Use it; output warnings.
2336         * common.opt (Wsuggest-attribute=const,
2337         Wsuggest-attribute=pure): New.
2338
2339 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2340
2341         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2342         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2343         or DW_CFA_def_cfa_offset{,_sf}.
2344
2345 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2346
2347         * tree.h: Fix truncated long macros.
2348
2349 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2350
2351         * collect2.c (TARGET_64BIT): Redefine to target's default.
2352         * tlink.c: Likewise.
2353         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2354         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2355         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2356         for underscoring __USER_LABEL_PREFIX__.
2357         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2358         (SUB_LINK_ENTRY32): New.
2359         (SUB_LINK_ENTRY64): New.
2360         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2361         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2362         (SUB_LINK_ENTRY64): New.
2363         (SUB_LINK_ENTRY): New.
2364         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2365         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2366         x64 target is choosen.
2367         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2368         * configure: Regenerated.
2369         * configure.ac (leading-mingw64-underscores): Option added.
2370
2371 2010-04-27  Jan Hubicka  <jh@suse.cz>
2372
2373         * doc/invoke.texi (-fipa-profile): Document.
2374         * opts.c (decode_options): Enable ipa-profile at -O1.
2375         * timevar.def (TV_IPA_PROFILE): Define.
2376         * common.opt (fipa-profile): Add.
2377         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2378         flag for clones.
2379         (cgraph_propagate_frequency): Handle only local ones.
2380         * tree-pass.h (pass_ipa_profile): Declare.
2381         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2382         (pass_ipa_profile): Use TV_IPA_PROFILE.
2383         * ipa.c (ipa_profile): New function.
2384         (gate_ipa_profile): Likewise.
2385         (pass_ipa_profile): New global variable.
2386         * passes.c (pass_ipa_profile): New.
2387
2388 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2389
2390         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2391
2392 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2393
2394         PR middle-end/43812
2395         * ipa.c (dissolve_same_comdat_group_list): New function.
2396         (function_and_variable_visibility): Call
2397         dissolve_same_comdat_group_list when comdat group contains external or
2398         newly local nodes.
2399         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2400         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2401
2402 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2403
2404         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2405         (const_hash_1) <VECTOR_CST>: New case.
2406         (compare_constant) <VECTOR_CST>: Likewise.
2407         <ADDR_EXPR>: Deal with LABEL_REFs.
2408         (copy_constant) <VECTOR_CST>: New case.
2409
2410 2010-04-27  Jan Hubicka  <jh@suse.cz>
2411
2412         * cgraph.c (cgraph_propagate_frequency): New function.
2413         * cgraph.h (cgraph_propagate_frequency): Declare.
2414         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2415         cgraph_propagate_frequency.
2416
2417 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2418
2419         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2420
2421 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2422
2423         PR target/40657
2424         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2425         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2426         here to determine which regs to push and how much stack to reserve.
2427
2428 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2429
2430         * doc/gimple.texi (gimple_statement_with_ops): Remove
2431         addresses_taken field.
2432         (gimple_statement_with_memory_ops): Likewise.
2433
2434 2010-04-27  Jan Hubicka  <jh@suse.cz>
2435
2436         * tree-inline.c (eni_inlining_weights): Remove.
2437         (estimate_num_insns): Special case more builtins.
2438
2439 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2440
2441         PR c/32207
2442         * c-typeck.c (build_binary_op): Move forward check for comparison
2443         pointer with null pointer constant and adjust the diagnostic message.
2444
2445 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2446
2447         PR lto/42776
2448         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2449         binutils supports extended .section directive needed by LTO, or
2450         warn if older binutils found.
2451         (LTO_BINARY_READER): New AC_SUBST'd variable.
2452         (LTO_USE_LIBELF): Likewise.
2453         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2454         variable.
2455         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2456         (LTO_USE_LIBELF): Likewise.
2457         * configure: Regenerate.
2458
2459         * collect2.c (is_elf): Rename from this ...
2460         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2461          object files in addition to ELF-formatted ones.
2462         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2463         symbol to be prefixed or not by an extra underscore.
2464
2465         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2466         * config/i386/winnt.c: Also #include lto-streamer.h
2467         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2468         LTO named sections.
2469         (i386_pe_asm_output_aligned_decl_common): Add comment.
2470         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2471
2472 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2473
2474         PR target/43889
2475         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2476         Add missing earlyclobber for second alternative.
2477
2478 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2479
2480         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2481         bits for artificial defs at the top of the block.
2482         * fwprop.c (single_def_use_enter_block): Don't call it.
2483
2484 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2485
2486         PR 43715
2487         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2488         instead of "$gcc_cv_objdump -T".
2489         Use "-undefined dynamic_lookup" on darwin.
2490         * gcc/configure: Regenerate.
2491
2492 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2493
2494         PR c/43893
2495         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2496
2497 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2498
2499         * c-parser.c (struct c_token): Move location field up.
2500         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2501         (struct c_declspecs): Convert typespec_word, storage_class, and
2502         default_int_p into bitfields.
2503         (struct c_declarator): Move loc field up.
2504
2505 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2506
2507         * cfgloop.h (struct loop): Move can_be_parallel field up.
2508         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2509         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2510         down.
2511         (struct iv_cand): Convert pos field into a bitfield.
2512         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2513         field up.
2514         (struct _stmt_vec_info): Shuffle fields for better packing.
2515
2516 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2517
2518         * varasm.c (IN_NAMED_SECTION): Remove guard.
2519         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2520         (IN_NAMED_SECTION_P): ...this.
2521         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2522         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2523
2524 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2525
2526         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2527         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2528         of shadowing it.  Fix comments.
2529
2530 2010-04-26  Jan Hubicka  <jh@suse.cz>
2531
2532         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2533         (cgraph_clone_node): Copy function frequency.
2534         * cgraph.h (node_frequency): New enum
2535         (struct cgraph_node): Add.
2536         * final.c (rest_of_clean_state): Update.
2537         * lto-cgraph.c (lto_output_node): Output node frequency.
2538         (input_overwrite_node): Input node frequency.
2539         * tre-ssa-loop-ivopts (computation_cost): Update.
2540         * lto-streamer-out.c (output_function): Do not output function
2541         frequency.
2542         * predict.c (maybe_hot_frequency_p): Update and handle functions
2543         executed once.
2544         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2545         attribute lookup.
2546         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2547         (compute_function_frequency): Set noreturn functions to be executed
2548         once.
2549         (choose_function_section): Update.
2550         * lto-streamer-in.c (input_function): Do not input function frequency.
2551         * function.c (allocate_struct_function): Do not initialize function
2552         frequency.
2553         * function.h (function_frequency): Remove.
2554         (struct function): Remove function frequency.
2555         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2556         (try_update): Update.
2557         * tree-inline.c (initialize_cfun): Do not update function frequency.
2558         * passes.c (pass_init_dump_file): Update.
2559         * i386.c (ix86_compute_frame_layout): Update.
2560         (ix86_pad_returns): Update.
2561
2562 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2563
2564         PR tree-optimization/43833
2565         * tree-vrp.c (range_int_cst_p): New.
2566         (range_int_cst_singleton_p): New.
2567         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2568         when both operands are constants.  Use range_int_cst_p in
2569         BIT_IOR_EXPR case.
2570
2571 2010-04-26  Jan Hubicka  <jh@suse.cz>
2572
2573         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2574
2575 2010-04-26  Richard Guenther  <rguenther@suse.de>
2576
2577         PR lto/43080
2578         * gimple.c (gimple_decl_printable_name): Deal gracefully
2579         with a NULL DECL_NAME.
2580
2581 2010-04-26  Richard Guenther  <rguenther@suse.de>
2582
2583         PR lto/42425
2584         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2585         if emitting debug information and it is either a function
2586         or a namespace decl.
2587
2588 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2589
2590         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2591         determine if the statement is vectorizable, and a macro to access it.
2592         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2593         Skip statements that can't be vectorized. If the analysis fails,
2594         mark the statement as unvectorizable if vectorizing basic block.
2595         (vect_compute_data_refs_alignment): Likewise.
2596         (vect_verify_datarefs_alignment): Skip statements marked as
2597         unvectorizable. Add print.
2598         (vect_analyze_group_access): Skip statements that can't be
2599         vectorized. If the analysis fails, mark the statement as
2600         unvectorizable if vectorizing basic block.
2601         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2602         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2603         generated stmts for SLP.
2604         (new_stmt_vec_info): Initialize the new field.
2605         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2606         statements marked as unvectorizable.
2607
2608 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2609
2610         * c-common.c (flag_isoc1x): New.
2611         (flag_isoc99): Update comment.
2612         * c-common.h (flag_isoc1x): New.
2613         (flag_isoc99): Update comment.
2614         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2615         __<type>_DECIMAL_DIG__.
2616         * c-opts.c (set_std_c1x): New.
2617         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2618         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2619         * c.opt (-std=c1x, -std=gnu1x): New options.
2620         * doc/cpp.texi: Mention -std=c1x.
2621         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2622         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2623         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2624         * doc/standards.texi: Mention C1X.
2625         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2626         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2627         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2628         Define for C1X.
2629
2630 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2631
2632         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2633         placeholder from 0x%x to %#x.
2634         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2635         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2636         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2637         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2638         * config/i386/i386.c (ix86_target_string): Ditto.
2639         (output_pic_addr_const): Ditto.
2640         (print_operand): Ditto.
2641
2642 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2643
2644         * combine.c (find_split_point): Add third argument.  Use it
2645         to find nested multiply-accumulate instructions.  Adjust calls.
2646         (try_combine): Adjust call to find_split_point.
2647
2648 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2649
2650         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2651
2652 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2653
2654         PR tree-optimization/41442
2655         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2656         (fold_binary_loc): Call it.
2657
2658 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2659
2660         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2661         * opts.c (common_handle_option): Allow disabling it.
2662         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2663
2664 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2665
2666         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2667         between modes if both types are integral.
2668
2669 2010-04-23  Richard Guenther  <rguenther@suse.de>
2670
2671         PR tree-optimization/43572
2672         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2673
2674 2010-04-23  Richard Guenther  <rguenther@suse.de>
2675
2676         PR lto/43455
2677         * tree-inline.c (tree_can_inline_p): Also check compatibility
2678         of return types.
2679
2680 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2681
2682         PR tree-optimization/43846
2683         * tree-sra.c (struct access): New flag grp_assignment_read.
2684         (build_accesses_from_assign): Set grp_assignment_read.
2685         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2686         (enum mark_read_status): New type.
2687         (analyze_access_subtree): Propagate grp_assignment_read, create
2688         accesses also if both direct_read and root->grp_assignment_read.
2689
2690 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2691
2692         PR middle-end/43835
2693         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2694         function does not have type attributes.
2695
2696 2010-04-23  Richard Guenther  <rguenther@suse.de>
2697
2698         PR lto/42653
2699         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2700         of FUNCTION_DECLs.
2701
2702 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2703
2704         * sese.h (create_if_region_on_edge): Remove.
2705
2706         * sese.c (create_if_region_on_edge): Make static.
2707
2708         * tree-inline.c: Do not include ggc.h.
2709
2710         * expr.c: Do not include ggc.h.
2711
2712         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2713         dependencies.
2714
2715 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2716
2717         PR target/43744
2718         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2719         in the middle of insns for casesi_worker_2.
2720
2721 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2722
2723         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2724
2725 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2726
2727         PR tree-optimization/43842
2728         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2729         loop unrolling in update of exit phis. Fix comment.
2730         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2731         least two reduction statements in the loop before starting SLP
2732         analysis.
2733
2734 2010-04-22  Nick Clifton  <nickc@redhat.com>
2735
2736         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2737
2738 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2739
2740         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2741         to simplify a + ~a.
2742
2743 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2744
2745         * tree-parloops.c (loop_parallel_p): New argument
2746         parloop_obstack.  Pass it down.
2747         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2748         pass it down, free it.
2749
2750         * tree-loop-linear.c (linear_transform_loops): Pass down
2751         lambda_obstack.
2752
2753         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2754         of type struct obstack *.
2755
2756         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2757         scratch_obstack.  Initialize it, pass down, free it.
2758
2759         * lambda.h (lambda_loop_new): Remove.
2760         (lambda_matrix_new, lambda_matrix_inverse)
2761         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2762         argument of type struct obstack *.
2763
2764         * lambda-trans.c (lambda_trans_matrix_new): New argument
2765         lambda_obstack.  Pass it down, use obstack allocation for ret.
2766         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2767         it down.
2768
2769         * lambda-mat.c (lambda_matrix_get_column)
2770         (lambda_matrix_project_to_null): Remove.
2771         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2772         allocation for mat.
2773         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2774         lambda_obstack.
2775
2776         * lambda-code.c (lambda_loop_new): New function.
2777         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2778         (lambda_compute_auxillary_space, lambda_compute_target_space)
2779         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2780         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2781         (build_access_matrix): New argument lambda_obstack.  Use obstack
2782         allocation for am.
2783         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2784         argument lambda_obstack.  Pass it down.
2785
2786 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2787
2788         * optabs.h (expand_widening_mult): Declare.
2789
2790 2010-04-22  Richard Guenther  <rguenther@suse.de>
2791
2792         PR tree-optimization/43845
2793         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2794         lookup the CALL_EXPR function and arguments.
2795
2796 2010-04-22  Nick Clifton  <nickc@redhat.com>
2797
2798         * config/stormy16/stormy16.c
2799         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2800         * config/stormy16/stormy16.h: Tidy up formatting.
2801         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2802         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2803         (ineqbranchsi): Delete pattern.
2804         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2805         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2806         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2807         stormy16-lib2-ucmpsi2.c.
2808
2809 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2810
2811         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2812         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2813         extra set merge_set_noclobber, and use it to relax the final test
2814         slightly.
2815         * df.h (df_simulate_find_noclobber_defs): Declare.
2816         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2817         conditional defs.
2818         (df_simulate_find_noclobber_defs): New function.
2819
2820 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2821
2822         * config/i386/i386.md: Use {} around multi-line preparation statements.
2823
2824 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2825
2826         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2827         (process_init_element): New argument of type struct obstack *.
2828
2829         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2830         (set_init_index, set_init_label, set_nonincremental_init)
2831         (set_nonincremental_init_from_string, find_init_member)
2832         (output_init_element, output_pending_init_elements)
2833         (process_init_element): New argument braced_init_obstack.  Pass it
2834         down.
2835         (push_range_stack, add_pending_init): New argument
2836         braced_init_obstack.  Use obstack allocation.
2837
2838         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2839         braced_init_obstack.  Pass it down.
2840         (c_parser_braced_init): New variables ret, braced_init_obstack.
2841         Initialize obstack, pass it down and finally free it.
2842
2843 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2844
2845         PR middle-end/29274
2846         * tree-pass.h (pass_optimize_widening_mul): Declare.
2847         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2848         gate_optimize_widening_mul): New static functions.
2849         (pass_optimize_widening_mul): New.
2850         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2851         <case MULT_EXPR>: Remove support for widening multiplies.
2852         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2853         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2854         simplify_gen_unary rather than directly building extensions.
2855         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2856         WIDEN_MULT_EXPR.
2857         * expmed.c (expand_widening_mult): New function.
2858         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2859
2860 2010-04-21  Jan Hubicka  <jh@suse.cz>
2861
2862         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2863         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2864         * lto-wpa-fixup.c: Remove.
2865         * Makefile.in (lto-wpa-fixup.o): Remove.
2866         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2867         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2868         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2869
2870 2010-04-21  Jan Hubicka  <jh@suse.cz>
2871
2872         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2873         add write_optimization_summary, read_optimization_summary.
2874         (ipa_write_summaries_of_cgraph_node_set): Remove.
2875         (ipa_write_optimization_summaries): Declare.
2876         (ipa_read_optimization_summaries): Declare.
2877         * ipa-cp.c (pass_ipa_cp): Update.
2878         * ipa-reference.c (pass_ipa_reference): Update.
2879         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2880         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2881         Update.
2882         * ipa-inline.c (pass_ipa_inline): Update.
2883         * ipa.c (pass_ipa_whole_program): Update.
2884         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2885         * passes.c (ipa_write_summaries_1): Do not test wpa.
2886         (ipa_write_optimization_summaries_1): New.
2887         (ipa_write_optimization_summaries): New.
2888         (ipa_read_summaries): Do not test ltrans.
2889         (ipa_read_optimization_summaries_1): New.
2890         (ipa_read_optimization_summaries): New.
2891
2892 2010-04-21  Jan Hubicka  <jh@suse.cz>
2893
2894         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2895         for boundary nodes.
2896         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2897
2898 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2899
2900         PR debug/40040
2901         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2902         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2903
2904 2010-04-21  Jan Hubicka  <jh@suse.cz>
2905
2906         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2907
2908 2010-04-21  Jan Hubicka  <jh@suse.cz>
2909
2910         * varpool.c (decide_is_variable_needed): Variable is always needed
2911         during ltrans.
2912
2913 2010-04-21  Jan Hubicka  <jh@suse.cz>
2914
2915         * opts.c (decode_options): Enable pure-const pass for whopr.
2916
2917 2010-04-21  Jan Hubicka  <jh@suse.cz>
2918
2919         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2920         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2921         at WPA dumping.
2922         (cgraph_decide_inlining): Do not expect callee to be removed in all
2923         cases.
2924
2925 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2926
2927         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2928
2929 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2930
2931         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2932         amdfam10_decode attributes.
2933
2934 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2935
2936         PR middle-end/43570
2937         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2938         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2939         (lower_copyprivate_clauses): Use private var in outer
2940         context instead of original var.  Make sure the types
2941         are correct for VLAs.
2942
2943 2010-04-21  Richard Guenther  <rguenther@suse.de>
2944
2945         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2946         to non-pointer objects.
2947
2948 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2949
2950         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2951         last chain entry if it starts with the still current label.
2952         (add_location_or_const_value_attribute): Check that
2953         loc_list->first->next is NULL instead of comparing ->first with ->last.
2954         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2955         to add_var_loc_to_decl.
2956
2957         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2958         >= 4 add also address size and segment size fields into CIE header.
2959
2960         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2961         long as address size is the same as sizeof (void *) and
2962         segment size is 0.
2963         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2964         address size or segment size is unexpected, return DW_EH_PE_omit.
2965         (classify_object_over_fdes): If get_cie_encoding returned
2966         DW_EH_PE_omit, return -1.
2967         (init_object): If classify_object_over_fdes returned -1,
2968         pretend there were no FDEs at all.
2969
2970 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2971
2972         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2973         bswap{si,di}2 using SWI48 mode iterator.
2974         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2975         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2976         set modrm attribute of bswap insn to 0 and remove length attribute.
2977         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2978         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2979         set mode attribute to <MODE> and remove length attribute.
2980
2981 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2982
2983         PR rtl-optimization/43520
2984         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2985         zero available registers.
2986
2987 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2988
2989         * builtins.c (fold_builtin_cproj): Fold more cases.
2990
2991 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2992
2993         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2994         (fold_builtin_1): Fold builtin cproj.
2995         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2996         Use ATTR_CONST_NOTHROW_LIST.
2997
2998 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2999
3000         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3001         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
3002         ffsi2_no_cmove for !TARGET_CMOVE.
3003         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
3004         (ffssi2): Remove expander.
3005         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3006         mode iterator.
3007         (ctz<mode>2): Ditto from ctz{si,di}2.
3008         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3009         mode iterator.
3010         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3011         mode iterator.
3012
3013 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3014
3015         * dwarf2out.c (AT_linkage_name): Define.
3016         (clone_as_declaration): Handle DW_AT_linkage_name.
3017         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3018         of DW_AT_MIPS_linkage_name.
3019         (move_linkage_attr): Likewise.
3020         (dwarf2out_finish): Likewise.
3021
3022 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
3023
3024         PR middle-end/41952
3025         * fold-const.c (fold_comparison): New folding rule.
3026
3027 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
3028
3029         * double-int.h (double_int_setbit): Declare.
3030         * double-int.c (double_int_setbit): New function.
3031         * rtl.h (immed_double_int_const): Declare.
3032         * emit-rtl.c (immed_double_int_const): New function.
3033         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3034         and immed_double_int_const functions.
3035         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3036         expand_copysign_bit):  (Ditto.).
3037         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3038         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3039         * dojump.c (prefer_and_bit_test): (Ditto.).
3040         * expr.c (convert_modes, reduce_to_bit_field_precision,
3041         const_vector_from_tree): (Ditto.).
3042         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3043
3044 2010-04-20  Jan Hubicka  <jh@suse.cz>
3045
3046         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3047         (dump_cgraph_node): Dump new flags.
3048         * cgraph.h (struct cgraph_node): Add flags
3049         reachable_from_other_partition and in_other_partition.
3050         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3051         other partition can not be removed.
3052         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3053         the other partition must be output; silence sanity checking on
3054         leaking functions bodies from other paritition.
3055         * lto-cgraph.c (reachable_from_other_partition_p): New function.
3056         (lto_output_node): Output new flags; do not sanity check that inline
3057         clones are output; drop lto_forced_extern_inline_p code; do not mock
3058         visibility flags at partition boundaries.
3059         (add_node_to): New function.
3060         (output_cgraph): Use it to sort functions so masters appear before
3061         clones.
3062         (input_overwrite_node): Input new flags.
3063         * passes.c (ipa_write_summaries): Do not call
3064         lto_new_extern_inline_states.
3065         * lto-section-out.c (forced_extern_inline,
3066         lto_new_extern_inline_states lto_delete_extern_inline_states,
3067         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3068         * lto-streamer.h (lto_new_extern_inline_states,
3069         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3070         lto_forced_extern_inline_p): Kill.
3071
3072 2010-04-20  Richard Guenther  <rguenther@suse.de>
3073
3074         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3075         from vars that can have pointers.
3076         (process_constraint): Dump useless constraints.
3077
3078 2010-04-20  Richard Guenther  <rguenther@suse.de>
3079
3080         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3081         (dump_sa_points_to_info): Remove asserts.
3082         (init_base_vars): nothing_id isn't an escape point nor does it
3083         have pointers.
3084
3085 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3086
3087         * tree.h (TYPE_REF_IS_RVALUE): Define.
3088         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3089         should_move_die_to_comdat, prune_unused_types_walk): Handle
3090         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3091         (modified_type_die, gen_reference_type_die): Emit
3092         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3093         if TYPE_REF_IS_RVALUE and -gdwarf-4.
3094
3095 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3096
3097         PR target/43635
3098         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3099         calls for -fpic -m31 if they have been sibcall optimized.
3100
3101 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
3102
3103         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3104         ar.lc fixed and call-used.
3105
3106         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3107
3108 2010-04-19  Jan Hubicka  <jh@suse.cz>
3109
3110         * opts.c (decode_options): Disable whpr incompatible passes.
3111         * lto/lto.c (lto_1_to_1_map): Skip clones.
3112         (read_cgraph_and_symbols): Do not mark everything as needed.
3113         (do_whole_program_analysis): Do map only after optimizing;
3114         set proper cgraph_state; use passmanager.
3115
3116 2010-04-19  DJ Delorie  <dj@redhat.com>
3117
3118         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3119         POINTER_PLUS_EXPR and fix them.
3120
3121 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
3122
3123         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3124         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3125         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3126         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3127         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3128         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3129         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3130         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3131         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3132         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3133         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3134
3135 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3136
3137         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3138         (check_cond_move_block): Likewise.
3139         (cond_move_process_if_block): Likewise.
3140         (noce_find_if_block): Improve formatting.
3141         (find_if_header): Pass 0 to memset and tweak conditions.
3142         (cond_exec_find_if_block): Fix long lines and tweak conditions.
3143
3144 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3145
3146         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3147         for -gdwarf-4.
3148
3149         PR middle-end/43337
3150         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3151         with non-local decl doesn't need chain.
3152
3153 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
3154
3155         * ira-color.c (allocno_reload_assign): Avoid accumulating
3156         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3157
3158 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3159
3160         * gimple.h (create_tmp_reg): Declare.
3161         * gimplify.c (create_tmp_reg): New function.
3162         (gimplify_return_expr): Use create_tmp_reg.
3163         (gimplify_omp_atomic): Likewise.
3164         (gimple_regimplify_operands): Likewise.
3165         * tree-dfa.c (make_rename_temp): Likewise.
3166         * tree-predcom.c (predcom_tmp_var): Likewise.
3167         (reassociate_to_the_same_stmt): Likewise.
3168         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3169         (get_replaced_param_substitute): Likewise.
3170         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3171         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3172         * tree-ssa-pre.c (get_representative_for): Likewise.
3173         (create_expression_by_pieces): Likewise.
3174         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3175         (create_tailcall_accumulator): Likewise.
3176
3177 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3178
3179         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3180         new_stmt.
3181         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3182
3183 2010-04-19  Richard Guenther  <rguenther@suse.de>
3184
3185         PR tree-optimization/43796
3186         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3187         from SCEV in the lattice.
3188         (vrp_visit_phi_node): Dump change.
3189
3190 2010-04-19  Richard Guenther  <rguenther@suse.de>
3191
3192         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3193         * configure: Re-generated.
3194
3195 2010-04-19  Richard Guenther  <rguenther@suse.de>
3196
3197         PR tree-optimization/43783
3198         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3199         constant ARRAY_REF operands two and three if possible.
3200
3201 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
3202
3203         PR target/43766
3204         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3205
3206 2010-04-19  Jie Zhang  <jie@codesourcery.com>
3207
3208         PR target/43662
3209         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3210
3211 2010-04-19  Ira Rosen  <irar@il.ibm.com>
3212
3213         PR tree-optimization/37027
3214         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3215         and macro to access it.
3216         (vectorizable_reduction): Add argument.
3217         (vect_get_slp_defs): Likewise.
3218         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3219         statements for possible use in SLP.
3220         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3221         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3222         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3223         add new argument.
3224         (vectorizable_reduction): Likewise.
3225         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3226         vect_get_slp_defs.
3227         (vectorizable_type_demotion, vectorizable_type_promotion,
3228         vectorizable_store): Likewise.
3229         (vect_analyze_stmt): Update call to vectorizable_reduction.
3230         (vect_transform_stmt): Likewise.
3231         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3232         (vect_build_slp_tree): Fix indentation. Check that there are no loads
3233         from different interleaving chains in same node.
3234         (vect_slp_rearrange_stmts): New function.
3235         (vect_supported_load_permutation_p): Allow load permutations for
3236         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3237         inside SLP nodes if necessary.
3238         (vect_analyze_slp_instance): Handle reductions.
3239         (vect_analyze_slp): Try to build SLP instances originating from groups
3240         of reductions.
3241         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3242         (vect_get_constant_vectors): Create initial vectors for reductions
3243         according to reduction code. Add new argument.
3244         (vect_get_slp_defs): Add new argument, pass it to
3245         vect_get_constant_vectors.
3246         (vect_schedule_slp_instance): Remove SLP tree root statements.
3247
3248 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3249
3250         * tree.h (ENUM_IS_SCOPED): Define.
3251         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3252         for ENUM_IS_SCOPED enums.
3253
3254 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3255
3256         * fold-const.c (fold_comparison): Use ssizetype.
3257         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3258         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3259         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3260         * tree-object-size.c (compute_object_sizes): Use size_type_node.
3261
3262         * tree.h (initialize_sizetypes): Remove parameter.
3263         (build_common_tree_nodes): Remove second parameter.
3264         * stor-layout.c (initialize_sizetypes): Remove parameter.
3265         Always create an unsigned type.
3266         (set_sizetype): Assert that the passed type is unsigned and simplify.
3267         * tree.c (build_common_tree_nodes): Remove second parameter.
3268         Adjust call to initialize_sizetypes.
3269         * c-decl.c (c_init_decl_processing): Remove second argument in call to
3270         build_common_tree_nodes.
3271
3272 2010-04-18  Matthias Klose  <doko@ubuntu.com>
3273
3274         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3275
3276 2010-04-18  Ira Rosen  <irar@il.ibm.com>
3277
3278         PR tree-optimization/43771
3279         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3280         load permutation doesn't have gaps.
3281
3282 2010-04-18  Jan Hubicka  <jh@suse.cz>
3283
3284         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3285         (sse_prologue_save_insn expander): Use new pattern.
3286         (sse_prologue_save_insn1): New pattern and splitter.
3287         (sse_prologue_save_insn): Update to deal also with 64bit aligned
3288         blocks.
3289         * i386.c (setup_incoming_varargs_64): Do not compute jump
3290         destination here.
3291         (ix86_gimplify_va_arg): Update alignment needed.
3292         (ix86_local_alignment): Do not align all local arrays to 128bit.
3293
3294 2010-04-17  Jan Hubicka  <jh@suse.cz>
3295
3296         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3297
3298 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3299
3300         * arm.md (negdi2): Remove redundant code to force values into a
3301         register.
3302
3303 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3304
3305         * arm/bpabi.S: Add EABI alignment attributes to objects.
3306         * arm/bpabi-v6m.S: Likewise.
3307         * arm/crti.asm: Likewise.
3308         * arm/crtn.asm: Likewise.
3309         * arm/lib1funcs.asm: Likewise.
3310         * arm/libunwind.S: Likewise.
3311
3312 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3313
3314         * arm-protos.h (tune_params): New structure.
3315         * arm.c (current_tune): New variable.
3316         (arm_constant_limit): Delete.
3317         (struct processors): Add pointer to the tune parameters.
3318         (arm_slowmul_tune): New tuning option.
3319         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3320         (all_cores): Adjust to pick up the tuning model.
3321         (arm_constant_limit): New function.
3322         (arm_override_options): Select the appropriate tuning model.  Delete
3323         initialization of arm_const_limit.
3324         (arm_split_constant): Use the new constant-limit model.
3325         (arm_rtx_costs): Pick up the current tuning model.
3326         * arm.md (is_strongarm, is_xscale): Delete.
3327         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3328         for Xscale variant architectures.
3329         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3330
3331 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3332
3333         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3334         can_shift.
3335         (arm_rtx_costs_1): Remove unused variable extra_cost.
3336         (arm_unwind_emit_set): Use variable offset.
3337         (thumb1_output_casesi): Remove unused variable flags.
3338
3339 2010-04-16  Jeff Law  <law@redhat.com>
3340
3341         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3342         needing assignment rather than doing a two-phase assignment.  Remove
3343         unused variable 'm'.
3344
3345 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3346
3347         PR bootstrap/43767
3348         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3349
3350 2010-04-16  Doug Kwan  <dougkwan@google.com>
3351
3352         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3353         (next_operand_entry_id): New static variable.
3354         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3355         (add_to_ops_vec): Assigned unique ID to operand entry.
3356         (struct oecount_s): New field ID.
3357         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3358         (undistribute_ops_list): Assign unique IDs to oecounts.
3359         (init_reassoc): reset next_operand_entry_id.
3360
3361 2010-04-16  Doug Kwan  <dougkwan@google.com>
3362
3363         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3364         missing left parenthesis.
3365
3366 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3367
3368         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3369         *btdi_rex64 using SWI48 mode iterator.
3370         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3371         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3372         *jcc_btdi_mask_rex64.
3373
3374 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3375
3376         * double-int.h (tree_to_double_int): Convert to macro.
3377         * double-int.c (tree_to_double_int): Remove.
3378
3379 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3380
3381         PR debug/43762
3382         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3383         with want_address 2 and in case a single element list might be
3384         possible, call it again with want_address 0.
3385
3386 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3387
3388         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3389         case 'W' print operands for HI mode.
3390         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3391         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3392         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3393         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3394
3395         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3396
3397         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3398         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3399         #xx:3 and #xx:4 mode.
3400
3401         * config/h8300/h8300.md (inverted load with HImode dest): Add
3402         support for H8300SX.
3403
3404         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3405         satisfy 'U' constraint.
3406
3407 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3408
3409         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3410         * configure: Regenerate.
3411         * config.in: Regenerate.
3412         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3413         works.
3414
3415 2010-04-16  Richard Guenther  <rguenther@suse.de>
3416
3417         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3418         (struct tree_decl_common): ... here.
3419         (DECL_PT_UID): Adjust.
3420         (SET_DECL_PT_UID): Likewise.
3421         (DECL_PT_UID_SET_P): Likewise.
3422
3423 2010-04-16  Richard Guenther  <rguenther@suse.de>
3424
3425         PR tree-optimization/43572
3426         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3427         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3428         * tree-flow.h (is_call_clobbered): Remove.
3429         * tree-flow-inline.h (is_call_clobbered): Likewise.
3430         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3431         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3432         (execute_return_slot_opt): Adjust.
3433         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3434         check for call clobbered vars here.
3435         (find_tail_calls): Move tailcall verification to the
3436         proper place.
3437
3438 2010-04-16  Diego Novillo  <dnovillo@google.com>
3439
3440         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3441
3442 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3443
3444         PR target/40603
3445         * config/arm/arm.md (cbranchqi4): New pattern.
3446         * config/arm/predicates.md (const0_operand,
3447         cbranchqi4_comparison_operator): New predicates.
3448
3449 2010-04-16  Richard Guenther  <rguenther@suse.de>
3450
3451         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3452         (dump_gimple_stmt): Likewise.
3453
3454 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3455
3456         * recog.h (struct recog_data): New field is_operator.
3457         (struct insn_operand_data): New field is_operator.
3458         * recog.c (extract_insn): Set recog_data.is_operator.
3459         * genoutput.c (output_operand_data): Emit code to set the
3460         is_operator field.
3461         * reload.c (find_reloads): Use it rather than testing for an
3462         empty constraint string.
3463
3464         PR target/41514
3465         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3466         If the previous insn is a cbranchsi4_insn with the same arguments,
3467         omit the compare instruction.
3468
3469         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3470         register, inputs must be low registers and we need a low register
3471         scratch.  Handle alternative 2 like alternative 3.
3472
3473 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3474
3475         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3476         don't call get_addr on both.  If one expression is a VALUE and
3477         the other a REG, check VALUE's locs if the REG isn't among them.
3478
3479 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3480
3481         * config/sh/sh.h (sh_frame_pointer_required): New function.
3482         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3483         (flag_omit_frame_pointer) Set.
3484         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3485         (rounded_frame_size): Adjust size with outgoing_args_size.
3486         (sh_set_return_address): Must return from stack pointer.
3487         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3488         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3489         (ACCUMULATE_OUTGOING_ARGS): Define.
3490         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3491         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3492
3493 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3494
3495         PR target/43471
3496         * config/sh/sh.c (sh_legitimize_reload_address): Use
3497         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3498         Remove a unneeded check for offset_base.
3499
3500 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3501
3502         * configure: Regenerated.
3503
3504 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3505
3506         * config/s390/s390.c (s390_call_save_register_used): Switch back
3507         to HARD_REGNO_NREGS.
3508
3509 2010-04-15  Richard Guenther  <rguenther@suse.de>
3510
3511         * alias.c (alias_set_subset_of): Handle alias-set zero
3512         child properly.
3513
3514 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3515             Julian Brown  <julian@codesourcery.com>
3516
3517         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3518         alternatives according to use of high and low regs.
3519         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3520         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3521         optimizing for size on Thumb-2.
3522
3523 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3524
3525         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3526
3527 2010-04-15  Richard Guenther  <rguenther@suse.de>
3528
3529         * tree-ssa-structalias.c (struct variable_info): Add
3530         is_fn_info flag.
3531         (new_var_info): Initialize it.
3532         (dump_constraints): Support printing last added constraints.
3533         (debug_constraints): Adjust.
3534         (dump_constraint_graph): Likewise.
3535         (make_heapvar_for): Check for NULL cfun.
3536         (get_function_part_constraint): New function.
3537         (get_fi_for_callee): Likewise.
3538         (find_func_aliases): Properly implement IPA PTA constraints.
3539         (process_ipa_clobber): New function.
3540         (find_func_clobbers): Likewise.
3541         (insert_into_field_list_sorted): Remove.
3542         (create_function_info_for): Properly allocate vars for IPA mode.
3543         Do not use insert_into_field_list_sorted.
3544         (create_variable_info_for): Properly generate constraints for
3545         global vars in IPA mode.
3546         (dump_solution_for_var): Always dump the solution.
3547         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3548         (find_what_var_points_to): Adjust.
3549         (pt_solution_set): Change.
3550         (pt_solution_ior_into): New function.
3551         (pt_solution_empty_p): Export.
3552         (pt_solution_includes_global): Adjust.
3553         (pt_solution_includes_1): Likewise.
3554         (pt_solutions_intersect_1): Likewise.
3555         (dump_sa_points_to_info): Check some invariants.
3556         (solve_constraints): Move constraint dumping ...
3557         (compute_points_to_sets): ... here.
3558         (ipa_pta_execute): ... and here.
3559         (compute_may_aliases): Do not re-compute points-to info
3560         locally if IPA info is available.
3561         (ipa_escaped_pt): New global var.
3562         (ipa_pta_execute): Properly implement IPA PTA.
3563         * tree-into-ssa.c (dump_decl_set): Support dumping
3564         decls not in referenced-vars.
3565         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3566         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3567         (dump_points_to_solution): Likewise.
3568         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3569         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3570         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3571         (copy_decl_to_var): Copy DECL_PT_UID.
3572         (copy_result_decl_to_var): Likewise.
3573         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3574         (copy_node_stat): Copy it.
3575         * tree.h (DECL_PT_UID): New macro.
3576         (SET_DECL_PT_UID): Likewise.
3577         (DECL_PT_UID_SET_P): Likewise.
3578         (struct tree_decl_minimal): Add pt_uid member.
3579         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3580         (pt_solution_empty_p): Declare.
3581         (pt_solution_set): Adjust.
3582         (ipa_escaped_pt): Declare.
3583         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3584         * gimple-pretty-print.c (pp_points_to_solution): New function.
3585         (dump_gimple_call): Dump call clobber/use information.
3586         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3587         * tree-pass.h (TDF_ALIAS): New dump option.
3588         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3589         * doc/invoke.texi (-fipa-pta): Update documentation.
3590
3591 2010-04-15  Richard Guenther  <rguenther@suse.de>
3592
3593         * Makefile.in (OBJS-common): Add gimple-fold.o.
3594         (gimple-fold.o): New rule.
3595         * tree.h (maybe_fold_offset_to_reference,
3596         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3597         prototypes ...
3598         * gimple.h: ... here.
3599         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3600         may_propagate_address_into_dereference): Move prototypes ...
3601         * gimple.h: ... here.
3602         * tree-ssa-ccp.c (get_symbol_constant_value,
3603         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3604         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3605         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3606         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3607         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3608         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3609         gimplify_and_update_call_from_tree): Move ...
3610         * gimple-fold.c: ... here.  New file.
3611         (ccp_fold_builtin): Rename to ...
3612         (gimple_fold_builtin): ... this.
3613         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3614
3615 2010-04-15  Richard Guenther  <rguenther@suse.de>
3616
3617         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3618         fit_double_type, force_fit_type_double, add_double_with_sign,
3619         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3620         lrotate_double, rrotate_double, div_and_round_double): Move ...
3621         * double-int.c: ... here.
3622         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3623         add_double, neg_double, mul_double_with_sign, mul_double,
3624         lshift_double, rshift_double, lrotate_double, rrotate_double,
3625         div_and_round_double): Move prototypes ...
3626         * double-int.h: ... here.
3627
3628 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3629
3630         PR target/43742
3631         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3632         matching constraints to ensure inputs match the output.
3633
3634 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3635
3636         PR target/43742
3637         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3638         in an input-only operand.
3639
3640 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3641
3642         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3643         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3644         (double_int_negative_p): Convert to static inline function.
3645         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3646         (double_int_negative_p): Remove.
3647         * tree.h (lshift_double, rshift_double):
3648         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3649         * fold-const.c (fold_convert_const_int_from_real,
3650         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3651         (lshift_double): Change type of arith argument to bool.
3652         (rshift_double): Change type of arith argument to bool. Correct
3653         comment.
3654         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3655
3656 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3657
3658         PR target/21803
3659         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3660         at the start and end of the then/else blocks, and omit them from the
3661         conversion.
3662         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3663         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3664         (flow_find_head_matching_sequence): New function.
3665         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3666         * basic-block.h (flow_find_cross_jump,
3667         flow_find_head_matching_sequence): Declare functions.
3668
3669 2010-04-14  Jason Merrill  <jason@redhat.com>
3670
3671         PR c++/36625
3672         * c-common.c (attribute_takes_identifier_p): New fn.
3673         * c-common.h: Declare it.
3674
3675 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3676
3677         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3678         splitter condition.
3679         (*udivmod<mode>4): Ditto.
3680
3681 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3682
3683         * config/i386/i386.md (maxmin_int): Rename code attribute from
3684         maxminiprefix and update all users.
3685         (maxmin_float): Ditto from maxminfprefix.
3686         (logic): Ditto from logicprefix.
3687         (absneg_mnemonic): Ditto from absnegprefix.
3688         * config/i386/mmx.md: Update all users of maxminiprefix,
3689         maxminfprefix and logicprefix for rename.
3690         * config/i386/sse.md: Ditto.
3691         * config/i386/sync.md (sync_<code><mode>): Update for
3692         logicprefix rename.
3693
3694 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3695
3696         PR 42966
3697         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3698         warnings converted to errors.
3699
3700 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3701
3702         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3703         used insn_type variable.
3704         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3705         to avoid set-but-not-used warning.
3706
3707 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3708
3709         * df-core.c (df_ref_debug): Change format string placeholder
3710         from 0x%x to %#x.
3711         * dwarf2asm.c (dw2_asm_output_data_raw,
3712         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3713         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3714         * dwarf2out.c (output_cfi, output_cfi_directive,
3715         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3716         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3717         Ditto.
3718         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3719         * print-rtl.c (print_rtx): Ditto.
3720
3721 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3722
3723         PR middle-end/42694
3724         * builtins.c (expand_builtin_pow_root): New function to expand pow
3725         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3726         series of sqrt and cbrt calls under -ffast-math.
3727         (expand_builtin_pow): Call it.
3728
3729 2010-04-14  Michael Matz  <matz@suse.de>
3730
3731         PR tree-optimization/42963
3732         * tree-cfg.c (touched_switch_bbs): New static variable.
3733         (group_case_labels_stmt): New function broken out from ...
3734         (group_case_labels): ... here, use the above.
3735         (start_recording_case_labels): Allocate touched_switch_bbs.
3736         (end_recording_case_labels): Deallocate it, call
3737         group_case_labels_stmt.
3738         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3739
3740 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3741
3742         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3743         from insn template.
3744
3745 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3746
3747         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3748
3749 2010-04-13  Jan Hubicka  <jh@suse.cz>
3750
3751         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3752         of optimized out static functions.
3753         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3754         cost computation.  Also sanity check for overflows.
3755         (update_caller_keys): Update cgraph_edge_badness call; properly
3756         update fibheap and sanity check that it is up to date.
3757         (add_new_edges_to_heap): Update cgraph_edge_badness.
3758         (cgraph_decide_inlining_of_small_function): Likewise;
3759         add sanity checking that badness in heap is up to date;
3760         improve dumping of reason; Update badness of calls to the
3761         offline copy of function currently inlined; dump badness
3762         of functions not inlined because of unit growth limits.
3763
3764 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3765
3766         PR middle-end/32628
3767         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3768         because of sign-extension change when converting to sizetype here...
3769         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3770
3771         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3772         the folding to constants.  Remove redundant final conversion.
3773         (fold_binary) <associate>: Do not associate if the re-association of
3774         constants alone overflows.
3775         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3776         to the end of the list.
3777         (multiple_of_p) <COND_EXPR>: New case.
3778
3779 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3780
3781         * opt-functions.awk (opt_sanitized_name): New.
3782         (opt_enum): New.
3783         * optc-gen.awk: Use it
3784         * opth-gen.awk: Use it.
3785
3786 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3787
3788         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3789         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3790         children.  Call replace_uses_with_default_def_ssa_name to handle
3791         SSA_NAES on lhs.
3792
3793 2010-04-13  Michael Matz  <matz@suse.de>
3794
3795         PR middle-end/43730
3796         * builtins.c (expand_builtin_interclass_mathfn): Also create
3797         a register if the predicate doesn't match.
3798
3799 2010-04-13  Diego Novillo  <dnovillo@google.com>
3800
3801         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3802         * c-pch.c: Include timevar.h.
3803         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3804         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3805         * ggc-common.c: Include timevar.h.
3806         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3807         * timevar.def (TV_PCH_SAVE): Define.
3808         (TV_PCH_CPP_SAVE): Define.
3809         (TV_PCH_PTR_REALLOC): Define.
3810         (TV_PCH_PTR_SORT): Define.
3811         (TV_PCH_RESTORE): Define.
3812         (TV_PCH_CPP_RESTORE): Define.
3813
3814 2010-04-13  Michael Matz  <matz@suse.de>
3815
3816         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3817         into MINUS_EXPRs.
3818         (can_reassociate_p): New function.
3819         (break_up_subtract_bb, reassociate_bb): Use it.
3820
3821 2010-04-13  Richard Guenther  <rguenther@suse.de>
3822
3823         PR bootstrap/43737
3824         * builtins.c (c_readstr): Fix assert.
3825
3826 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3827
3828         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3829         when generating cltd insn.
3830
3831         (*ashl<mode>3_1): Remove special handling for register operand 2.
3832         (*ashlsi3_1_zext): Ditto.
3833         (*ashlhi3_1): Ditto.
3834         (*ashlhi3_1_lea): Ditto.
3835         (*ashlqi3_1): Ditto.
3836         (*ashlqi3_1_lea): Ditto.
3837         (*<shiftrt_insn><mode>3_1): Ditto.
3838         (*<shiftrt_insn>si3_1_zext): Ditto.
3839         (*<shiftrt_insn>qi3_1_slp): Ditto.
3840         (*<rotate_insn><mode>3_1): Ditto.
3841         (*<rotate_insn>si3_1_zext): Ditto.
3842         (*<rotate_insn>qi3_1_slp): Ditto.
3843
3844 2010-04-13  Richard Guenther  <rguenther@suse.de>
3845
3846         * tree-ssa-structalias.c (callused_id): Remove.
3847         (call_stmt_vars): New.
3848         (get_call_vi): Likewise.
3849         (lookup_call_use_vi): Likewise.
3850         (lookup_call_clobber_vi): Likewise.
3851         (get_call_use_vi): Likewise.
3852         (get_call_clobber_vi): Likewise.
3853         (make_transitive_closure_constraints): Likewise.
3854         (handle_const_call): Adjust to do per-call call-used handling.
3855         (handle_pure_call): Likewise.
3856         (find_what_var_points_to): Remove general callused handling.
3857         (init_base_vars): Likewise.
3858         (init_alias_vars): Initialize call_stmt_vars.
3859         (compute_points_to_sets): Process call-used and call-clobbered
3860         vars for call statements.
3861         (delete_points_to_sets): Free call_stmt_vars.
3862
3863 2010-04-13  Richard Guenther  <rguenther@suse.de>
3864
3865         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3866         Only add RW dependence for dependence distance zero.
3867         Adjust maximal vectorization factor according to dependences.
3868         Move alignment handling ...
3869         (vect_find_same_alignment_drs): ... here.  New function.
3870         (vect_analyze_data_ref_dependences): Adjust.
3871         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3872         (vect_analyze_data_refs): Adjust minimal vectorization factor
3873         according to data references.
3874         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3875         dependences before determining the vectorization factor.
3876         Analyze alignment after determining the vectorization factor.
3877         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3878         dependences before alignment.
3879         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3880         Adjust prototype.
3881         (vect_analyze_data_refs): Likewise.
3882         (MAX_VECTORIZATION_FACTOR): New define.
3883
3884 2010-04-13  Duncan Sands  <baldrick@free.fr>
3885
3886         * except.h (lang_eh_type_covers): Remove.
3887         * except.c (lang_eh_type_covers): Likewise.
3888
3889 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3890             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3891
3892         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3893         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3894         UNITS_PER_LONG where it is ABI relevant.
3895         (s390_return_addr_rtx): Likewise.
3896         (s390_back_chain_rtx): Likewise.
3897         (s390_frame_area): Likewise.
3898         (s390_frame_info): Likewise.
3899         (s390_initial_elimination_offset): Likewise.
3900         (save_gprs): Likewise.
3901         (s390_emit_prologue): Likewise.
3902         (s390_emit_epilogue): Likewise.
3903         (s390_function_arg_advance): Likewise.
3904         (s390_function_arg): Likewise.
3905         (s390_va_start): Likewise.
3906         (s390_gimplify_va_arg): Likewise.
3907         (s390_function_profiler): Likewise.
3908         (s390_optimize_prologue): Likewise.
3909         (s390_rtx_costs): Likewise.
3910         (s390_secondary_reload): Likewise.
3911         (s390_promote_function_mode): Likewise.
3912         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3913         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3914         registers available.
3915         (s390_unwind_word_mode): New function.
3916         (s390_function_value): Split 64 bit values into register pair if
3917         used as return value.
3918         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3919         function call parameters.  Handle parallels.
3920         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3921         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3922         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3923         (s390_expand_setmem): Remove unused variable src_addr.
3924         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3925         deal with 64 bit registers.
3926         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3927         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3928         (UNITS_PER_LONG): New macro.
3929         * libjava/include/s390-signal.h: Define extended ucontext
3930         structure containing the upper halfs of the 64 bit registers.
3931
3932 2010-04-13  Simon Baldwin  <simonb@google.com>
3933
3934         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3935
3936 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3937
3938         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3939         rvalue on the RHS if the LHS is of a non-renamable type.
3940         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3941
3942 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3943
3944         * gcc.c (cc1_options): Handle -iplugindir before processing
3945         the cc1 spec. Only add -iplugindir once.
3946         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3947         found.
3948         * common.opt (iplugindir): Remove `Separate' property, initialize.
3949         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3950         option.
3951         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3952         (distclean): Remove plugin dir.
3953         * doc/invoke.texi: Document -iplugindir.
3954
3955 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3956
3957         * doc/plugins.texi (Loading Plugins): Document short
3958         -fplugin=foo option.
3959         (Plugin API): Mention default_plugin_dir_name function.
3960
3961         * gcc.c (find_file_spec_function): Add new declaration.
3962         (static_spec_func): Use it for "find-file".
3963         (find_file_spec_function): Add new function.
3964         (cc1_options): Add -iplugindir option if -fplugin* options found.
3965
3966         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3967
3968         * plugin.c (add_new_plugin): Updated comment, and handle short
3969         plugin name.
3970         (default_plugin_dir_name): Added new function.
3971
3972         * common.opt (iplugindir): New option to set the plugin directory.
3973
3974 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3975
3976         * config/i386/i386.md (any_rotate): New code iterator.
3977         (rotate_insn): New code attribute.
3978         (rotate): Ditto.
3979         (SWIM124): New mode iterator.
3980         (<rotate_insn>ti3): New expander.
3981         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3982         any_rotate code iterator.
3983         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3984         using any_rotate code iterator and SWIM124 mode iterator.
3985         (ix86_rotlti3): New insn_and_split pattern.
3986         (ix86_rotrti3): Ditto.
3987         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3988         ix86_rotl{di,ti}3 patterns.
3989         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3990         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3991         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3992         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3993         code iterator and SWI mode iterator.
3994         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3995         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3996         code iterator.
3997         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3998         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3999         (bswap rotatert splitter): Add splitter.
4000         (bswap splitter): Macroize splitter using any_rotate code iterator.
4001         Add insn predicate to split only for TARGET_USE_XCHGB or when
4002         optimizing function for size.
4003
4004 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
4005
4006         * config/pa/pa.c (emit_move_sequence): Remove use of
4007         deleted variable flag_argument_noalias.