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* ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-16  Jan Hubicka  <jh@suse.cz>
2
3         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
4         function body; do not check stdarg field of struct function.
5
6 2010-05-16  Jan Hubicka  <jh@suse.cz>
7
8         * cgraph.c (dump_cgraph_node): Dump versionable flag.
9         * cgraph.h (cgraph_local_info): Add versionable flag.
10         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
11         (ipcp_versionable_function_p): Use it.
12         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
13         versionable flag.
14
15 2010-05-16  Jan Hubicka  <jh@suse.cz>
16
17         * cgraph.c (cgraph_clone_node): Take decl argument and insert
18         clone into hash when it is different from orig.
19         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
20         * cgraph.h (cgraph_clone_node): Update prototype.
21         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
22         (lto_cgraph_encoder_delete): Delete body map.
23         (lto_cgraph_encoder_size): Move to header.
24         (lto_cgraph_encoder_encode_body_p,
25         lto_set_cgraph_encoder_encode_body): New.
26         (lto_output_node): Do not take written_decls argument; output clone_of
27         pointer.
28         (add_node_to): Add include_body_argument; call
29         lto_set_cgraph_encoder_encode_body on master of the clone.
30         (add_references): Update use of add_node_to.
31         (compute_ltrans_boundary): Likewise.
32         (output_cgraph): Do not create written_decls bitmap.
33         (input_node): Take nodes argument; stream in clone_of correctly.
34         (input_cgraph_1): Update use of input_node.
35         * lto-streamer-out.c (lto_output): Use encoder info to decide
36         what bodies to output.
37         * ipa-inline.c (cgraph_clone_inlined_nodes,
38         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
39         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
40         (lto_cgraph_encoder_size): Define here.
41         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
42         Declare.
43
44 2010-05-16  Richard Guenther  <rguenther@suse.de>
45
46         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
47         -fipa-type-escape.
48         * ipa-type-escape.c (gate_type_escape_vars): Run when
49         -fipa-struct-reorg runs.
50         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
51         * common.opt (fipa-type-escape): Remove.
52
53 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
54
55         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
56         (decode_options): Likewise.
57         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
58
59 2010-05-16  Jan Hubicka  <jh@suse.cz>
60
61         * ipa.c (function_and_variable_visibility): Also bring local all
62         aliases.
63
64 2010-05-16  Richard Guenther  <rguenther@suse.de>
65
66         * alias.c (nonoverlapping_memrefs_p): Remove use of
67         IPA type-escape information.
68
69 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
70
71         * c-common.c (c_common_reswords): Add _Static_assert for C.
72         * c-parser.c (c_token_starts_declaration,
73         c_parser_next_token_starts_declaration,
74         c_parser_static_assert_declaration_no_semi,
75         c_parser_static_assert_declaration): New.
76         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
77         Handle static assertions if static_assert_ok.
78         (c_parser_external_declaration, c_parser_declaration_or_fndef,
79         c_parser_compound_statement_nostart, c_parser_label,
80         c_parser_for_statement, c_parser_objc_methodprotolist,
81         c_parser_omp_for_loop): All callers of
82         c_parser_declaration_or_fndef changed.
83         (c_parser_struct_declaration): Handle static assertions.
84         (c_parser_compound_statement_nostart): Use
85         c_parser_next_token_starts_declaration and
86         c_token_starts_declaration to detect start of declarations.
87         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
88         Likewise.
89
90 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
91
92         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
93         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
94         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
95         TARGET_FUNCTION_VALUE_REGNO_P): Define.
96         (mmix_function_outgoing_value): Rename to...
97         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
98         (mmix_function_value_regno_p): Make static.
99         (mmix_libcall_value): New function.
100         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
101         mmix_function_value_regno_p): Remove declaration.
102
103 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
104
105         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
106         BUILT_IN_ALLOCA if stack checking is enabled.
107
108 2010-05-16  Richard Guenther  <rguenther@suse.de>
109
110         * var-tracking.c (vars_copy_1): Inline ...
111         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
112         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
113         (variable_merge_over_cur): Adjust.  Merge asserts.
114         (variable_merge_over_src): Likewise.
115         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
116         (variable_post_merge_new_vals): Merge asserts.
117         (variable_post_merge_perm_vals): Likewise.
118         (find_mem_expr_in_1pdv): Likewise.
119         (dataflow_set_different_value): Remove.
120         (onepart_variable_different_p): Merge asserts.
121         (variable_different_p): Likewise.
122         (dataflow_set_different_1): Inline ...
123         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
124         (emit_notes_for_differences_1): Merge asserts.
125
126 2010-05-16  Richard Guenther  <rguenther@suse.de>
127
128         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
129         * optabs.c (libfunc_decl_hash): Likewise.
130         * varasm.c (emutls_decl): Likewise.
131
132 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
133
134         * c-decl.c: Don't include gimple.h.
135         (merge_decls): Do not copy gimple_body.
136
137 2010-05-15  Jason Merrill  <jason@redhat.com>
138
139         * c.opt: Add -fnothrow-opt.
140
141 2010-05-15  Jan Hubicka  <jh@suse.cz>
142
143         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
144         analyzed.
145         * passes.c (ipa_write_summaries): Write all analyzed nodes.
146
147 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
148
149         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
150         * Makefile.in: Add it.
151         Fix all other Makefile dependencies for changes below.
152         * tree.h: Include it instead of defining VEC primitives here.
153         * gimple.h: Likewise.
154         * rtl.h: Likewise.
155         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
156         * except.h: Include vecir.h, break dependence on tree.h.
157
158         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
159         Move from here...
160         * tree-iterator.c: ...to here.
161         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
162
163         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
164         tm_p.h.
165         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
166         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
167         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
168         tree-mudflap.h, and target.h.
169         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
170         predict.h, tree-inline.h, gimple.h, and langhooks.h.
171         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
172         Add FIXME for why gimple.h is still included (should be unnecessary
173         since GCC 4.5 gimplification unit-at-a-time).
174         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
175         * c-pragma.c: Add FIXME for why function.h needs to be included just
176         for cfun, at front-end level.
177         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
178         Do not include ggc.h, but include vecprim.h for VEC(char).
179         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
180         Explain why target.h is included.
181         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
182         Explain why gimple.h is included.
183         * c-ppoutput.c: Do not include tm.h.
184         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
185         * c-parses.c: Explain why rtl.h is included, and that this (and only
186         this) is also why tm.h must be included.
187         Do not include except.h.
188         * c-lang.c: Do not include ggc.h.
189
190 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
191
192         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
193
194 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
195
196         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
197         unions by default if those structs and unions have no tags.  Do
198         not condition anonymous struct and unions handling on flag_iso.
199         Allow anonymous structs and unions for C1X.
200         (finish_struct): Do not diagnose lack of named fields when
201         anonymous structs and unions present for C1X.  Accept flexible
202         array members in structure with anonymous structs or unions but no
203         directly named fields.
204         * doc/extend.texi (Unnamed Fields): Update.
205
206 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
207
208         * gimple.h (compare_field_offset): Rename into...
209         (gimple_compare_field_offset): ...this.
210         * gimple.c (compare_field_offset): Rename into...
211         (gimple_compare_field_offset): ...this.  Compare the full access if
212         the offset is self-referential.
213         (gimple_types_compatible_p): Adjust for above renaming.
214         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
215         DECL_NONADDRESSABLE_P flag of fields before merging them.
216
217 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
218
219         * tree.h (ctor_to_list): Delete.
220         * tree.c (ctor_to_list): Delete.
221
222 2010-05-15  Jan Hubicka  <jh@suse.cz>
223
224         * ipa-reference.c: Include toplev.h
225         (is_proper_for_analysis): Only add to all_module_statics
226         if it is allocated.
227         (write_node_summary_p, stream_out_bitmap,
228         ipa_reference_write_optimization_summary,
229         ipa_reference_read_optimization_summary): New.
230         (struct ipa_opt_pass_d pass_ipa_reference): Add
231         optimization summary streaming.
232         * lto-cgraph.c (referenced_from_this_partition_p,
233         reachable_from_this_partition_p): New functions.
234         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
235         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
236         * opts.c (decode_options): Enable ipa_reference.
237         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
238         * lto-streamer.h (referenced_from_this_partition_p,
239         reachable_from_this_partition_p): Declare.
240
241 2010-05-15  Richard Guenther  <rguenther@suse.de>
242
243         PR tree-optimization/44038
244         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
245         taking the address of a V_C_E of a constant.
246
247 2010-05-14  Jan Hubicka  <jh@suse.cz>
248
249         * tree.h (memory_identifier_string): Remove.
250         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
251         (ipa_reference_global_vars_info_d): Remove statics_not_read and
252         statics_not_written.
253         (ipa_reference_optimization_summary_d): New structure.
254         (ipa_reference_optimization_summary_t): New type and vector.
255         (ipa_reference_vars_info_d): Embedd structures instead of using
256         pointers.
257         (reference_vars_to_consider): Remove out of GGC space.
258         (module_statics_escape): Remove.
259         (global_info_obstack): Rename to ...
260         (optimization_summary_obstack): ... this one.
261         (initialization_status_t): Remove.
262         (memory_identifier_string): Remove.
263         (get_reference_vars_info): Fix indenting.
264         (set_reference_vars_info): Likewise.
265         (get_reference_optimization_summary): New.
266         (set_reference_optimization_summary): New.
267         (get_global_reference_vars_info): Remove.
268         (ipa_reference_get_read_global): Remove.
269         (ipa_reference_get_written_global): Remove.
270         (ipa_reference_get_not_read_global): Update.
271         (ipa_reference_get_not_written_global): Update.
272         (is_proper_for_analysis): Outlaw addressable.
273         (propagate_bits): Update for new datastructures.
274         (analyze_variable): Remove.
275         (init_function_info): Update for new datastructures.
276         (clean_function_local_data): Remove.
277         (clean_function): Remove.
278         (copy_global_bitmap): Use optimizations_summary_obstack.
279         (duplicate_node_data): Duplicate optimization summary only.
280         (remove_node_data): Remove optimization summary only.
281         (generate_summary): Do not analyze variables; do not compute
282         module_statics_escape; do not prune solutions by it.
283         (read_write_all_from_decl): Fix typos in comments.
284         (propagate): Doscover readonly and nonaddressable first;
285         update for new datastructures; share global bitmaps.
286         * ipa-reference.h (ipa_reference_get_read_global,
287         ipa_reference_get_written_global): Remove.
288         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
289         * Makefile.in: Remove ipa-refereference from GT files.
290
291 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
292
293         PR debug/44112
294         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
295         for all SYMBOL_REF_DECLs.
296
297 2010-05-14  Jan Hubicka  <jh@suse.cz>
298
299         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
300         (varpool_all_refs_explicit_p): New inline function.
301         * ipa-reference.c: Update comment.
302         (module_statics_written): Remove.
303         (get_static_decl): Remove.
304         (ipa_init): Do not initialize module_statics_written.
305         (analyze_function): Likewise.
306         (generate_summary): Likewise; do not compute module_statics_readonly
307         and do not update variable flags.
308         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
309         * ipa.c: Inlucde flags.h
310         (cgraph_local_node_p): New.
311         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
312         promote functions to local.
313         (ipa_discover_readonly_nonaddressable_vars): New function.
314         (function_and_variable_visibility): Use cgraph_local_node_p.
315         * varpool.c (varpool_finalize_decl): Set force_output for
316         DECL_PRESERVE_P vars.
317
318 2010-05-14  Jan Hubicka  <jh@suse.cz>
319
320         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
321
322 2010-05-14  Richard Guenther  <rguenther@suse.de>
323
324         PR tree-optimization/44119
325         * tree-ssa-pre.c (eliminate): Properly mark replacement of
326         a PHI node necessary.
327
328 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
329
330         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
331
332 2010-05-14  Jason Merrill  <jason@redhat.com>
333
334         PR c++/44127
335         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
336         (gimple_call_set_nothrow): New.
337         * gimple.c (gimple_build_call_from_tree): Call it.
338         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
339
340         PR c++/44127
341         * gimplify.c (gimplify_seq_add_stmt): No longer static.
342         * gimple.h: Declare it.
343         * gimple.c (gimple_build_eh_filter): No ops.
344
345 2010-05-14  Jan Hubicka  <jh@suse.cz>
346
347         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
348         nodes already in queue.
349         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
350         re-enqueueing node.
351
352 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
353
354         PR debug/44136
355         * cfgexpand.c (expand_debug_expr): If non-memory op0
356         has BLKmode, return NULL.
357
358 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
359
360         * config.gcc: Add support for --with-cpu option for bdver1.
361         * config/i386/i386.h (TARGET_BDVER1): New macro.
362         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
363         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
364         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
365         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
366         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
367         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
368         (processor_type): Add PROCESSOR_BDVER1.
369         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
370         processor_type in config/i386/i386.h.
371         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
372         movaps <reg, reg> instead of movapd <reg, reg> when replacing
373         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
374         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
375         to emit packed xor instead of packed double/packed integer
376         xor for SSE and AVX when moving a zero value.
377         * config/i386/sse.md: Add check for
378         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
379         movapd/movdqa for SSE and AVX.
380         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
381         single logical operations i.e and, or and xor instead of packed double
382         logical operations for SSE and AVX.
383         * config/i386/i386-c.c (ix86_target_macros_internal):
384         Add PROCESSOR_BDVER1.
385         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
386         (has_fma4, has_xop): New.
387         * config/i386/i386.c (bdver1_cost): New variable.
388         (m_BDVER1): New macro.
389         (m_AMD_MULTIPLE): Add m_BDVER1.
390         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
391         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
392         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
393         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
394         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
395         x86_tune_sse_partial_reg_dependency,
396         x86_tune_sse_unaligned_load_optimal,
397         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
398         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
399         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
400         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
401         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
402         Enable/disable for bdver1.
403         (processor_target_table): Add bdver1_cost.
404         (cpu_names): Add bdver1.
405         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
406          processor_alias_table.
407         (ix86_expand_vector_move_misalign): Change.
408         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
409         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
410         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
411         of movupd/movdqu for SSE and AVX.
412         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
413         (ix86_tune_adjust_cost): Add code for bdver1.
414         (standard_sse_constant_opcode): Add check for
415         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
416         of packed double xor for SSE and AVX.
417
418 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
419
420         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
421         result to unsigned.
422
423 2010-05-14  Tristan Gingold  <gingold@adacore.com>
424
425         * toplev.c (default_debug_hooks): Remove this variable.
426         (process_options): Remove assignments to default_debug_hooks.
427
428 2010-05-14  Martin Jambor  <mjambor@suse.cz>
429
430         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
431         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
432         * langhooks.h (struct lang_hooks_for_decls): Removed field
433         fold_obj_type_ref.
434         * tree.c (free_lang_data): Remove assignment to
435         lang_hooks.fold_obj_type_ref.
436         * tree.def (OBJ_TYPE_REF): Update comment.
437
438 2010-05-14  Richard Guenther  <rguenther@suse.de>
439
440         PR tree-optimization/44124
441         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
442
443 2010-05-14  Alan Modra  <amodra@gmail.com>
444
445         PR target/44075
446         * config/rs6000/rs6000.c (struct machine_function): Reorder
447         fields for better packing.  Add lr_save_state.
448         (rs6000_ra_ever_killed): Return lr_save_state if set.
449         (rs6000_emit_eh_reg_restore): Set lr_save_state.
450
451 2010-05-13  Jan Hubicka  <jh@suse.cz>
452
453         * varpool.c (decide_is_variable_needed): Drop code checking
454         TREE_SYMBOL_REFERENCED.
455
456 2010-05-13  Jan Hubicka  <jh@suse.cz>
457
458         * final.c (output_addr_const): Do not call mark_decl_referenced.
459         * cgraphunit.c (process_function_and_variable_attributes): Use
460         mark_needed_node dirrectly.
461         (assemble_thunk): Do not call mark_decl_referenced.
462
463 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
464
465         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
466
467 2010-05-13  Jeff Law  <law@redhat.com>
468
469         * ira-conflicts.c (print_allocno_conflicts): New function broken out
470         from...
471         (print_conflicts): Call print_allocno_conflicts.
472
473 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
474
475         PR debug/44104
476         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
477         if it is NULL.
478
479 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
480
481         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
482         t-mingw-w64 or t-mingw-w32 for multilib configuration.
483         * config/i386/t-mingw-w32: New.
484         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
485
486 2010-05-13  Martin Jambor  <mjambor@suse.cz>
487
488         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
489         gimple-fold.c).
490         * gimple-fold.c (get_base_binfo_for_type): New function.
491         (gimple_get_relevant_ref_binfo): Likewise.
492         (gimple_fold_obj_type_ref_known_binfo): Likewise.
493         (gimple_fold_obj_type_ref): Likewise.
494         (fold_gimple_call): Simplify condition for folding virtual calls
495         and call gimple_fold_obj_type_ref.
496         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
497         (gimple_fold_obj_type_ref_known_binfo): Likewise.
498
499 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
500
501         * config/rs6000/rs6000-protos.h
502         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
503         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
504         (rs6000_debug_mode_dependent_address)
505         (rs6000_mode_dependent_address_ptr): Likewise.
506
507 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
508
509         PR debug/43983
510         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
511         by SRA.
512         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
513         * tree-sra.c (create_access_replacement): Call unshare_expr before
514         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
515         * dwarf2out.c: Include tree-flow.h.
516         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
517         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
518         Handle DW_OP_bit_piece.
519         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
520         construct_piece_list, adjust_piece_list): New functions.
521         (add_var_loc_to_decl): Handle SRA optimized variables.
522         Adjust for var_loc_note to loc field renaming.
523         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
524         in VAR_LOCATION note.
525         (new_loc_descr_op_bit_piece): New function.
526         (dw_sra_loc_expr): New function.
527         (dw_loc_list): Use it.  Don't handle the last range after the
528         loop, handle it inside of the loop.  Adjust for var_loc_note
529         to loc field renaming.
530         (add_location_or_const_value_attribute): Only special case
531         single entry loc lists if loc is NOTE_P.  Adjust for
532         var_loc_note to loc field renaming.
533         (dwarf2out_var_location): Don't set newloc->var_loc_note
534         and newloc->next here.
535
536 2010-05-12  Jan Hubicka  <jh@suse.cz>
537
538         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
539         flag.
540         * cgraph.h (cgraph_only_called_directly_p,
541         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
542         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
543         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
544         (assemble
545         * ipa.c (cgraph_remove_unreachable_nodes): Use
546         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
547         flags.
548         * tree-inline.c (copy_bb): Check address_taken flag.
549         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
550         externally_visible flag.
551
552 2010-05-12  Jason Merrill  <jason@redhat.com>
553
554         PR bootstrap/44048
555         PR target/44099
556         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
557         * sdbout.c (plain_type_1): Likewise.
558         * dwarf2out.c (is_base_type): Likewise.
559         (gen_type_die_with_usage): Likewise.  Generate
560         DW_TAG_unspecified_type for any LANG_TYPE.
561
562 2010-05-12  Jan Hubicka  <jh@suse.cz>
563
564         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
565         indrect edges too.
566         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
567         (cgraph_clone_edge): Update.
568         (cgraph_node_remove_callees): Remove indirect calls too.
569         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
570         (cgraph_create_indirect_edge): Update prototype.
571         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
572         is_proper_for_analysis.
573         (add_new_function, visited_nodes, function_insertion_hook_holder,
574         get_local_reference_vars_info, mark_address_taken, mark_address,
575         mark_load, mark_store, check_asm_memory_clobber, check_call,
576         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
577         (ipa_init): Do not initialize visited_nodes;
578         function_insertion_hook_holder.
579         (analyze_variable): Rewrite.
580         (analyze_function): Rewrite.
581         (copy_local_bitmap): Remove.
582         (duplicate_node_dat): Do not duplicate local info.
583         (generate_summary): Simplify to only walk cgraph.
584         (write_node_summary_p, ipa_reference_write_summary,
585         ipa_reference_read_summary): Remove.
586         (propagate): Do not remove function insertion;
587         generate summary.
588         (pass_ipa_reference): NULLify summary handling fields.
589         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
590         (input_edge): Input ecf_flags.
591         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
592         (update_indirect_edges_after_inlining): Ignore edges with unknown
593         param.
594
595 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
596
597         * implicit-zee.c: New file.
598         * tree-pass.h (pass_implicit_zee): Declare.
599         * passes.c (init_optimization_passes): Add zee pass.
600         * common.opt (fzee): New flag.
601         * timevar.def (TV_ZEE): Define.
602         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
603         and beyond.
604         * Makefile.in (implicit-zee.o): Add new build file.
605
606 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
607             Nathan Froyd  <froydnj@codesourcery.com>
608
609         * c-common.c (sync_resolve_params): Remove write-only variable.
610
611 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
612
613         * target.h (struct gcc_target): Add mode_dependent_address_p field.
614         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
615         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
616         * targhooks.c (default_mode_dependent_address_p): New function.
617         * targhooks.h (default_mode_dependent_address_p): Declare function.
618         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
619         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
620         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
621         target hook. Change return type to bool.
622         * recog.h: (mode_dependent_address_p): Change return type to bool.
623
624 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
625             Nathan Froyd  <froydnj@codesourcery.com>
626
627         * tree-mudflap.c (build_function_type_0, build_function_type_1,
628         build_function_type_2, build_function_type_3): Remove.
629         (mudflap_init): Use build_function_type_list.
630
631 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
632             Nathan Froyd  <froydnj@codesourcery.com>
633
634         * coverage.c (build_fn_info_value): Call build_constructor instead of
635         build_constructor_from_list.
636         (build_ctr_info_value): Likewise.
637         (build_gcov_info): Likewise.
638
639 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
640
641         * tree.c (build_constructor): Compute TREE_CONSTANT for the
642         resultant constructor.
643         (build_constructor_single): Don't set TREE_CONSTANT.
644         (build_constructor_from_list): Don't compute TREE_CONSTANT.
645
646 2010-05-12  Jan Hubicka  <jh@suse.cz>
647
648         * cgraph.h (struct varpool_node): Add aux.
649         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
650         * varpool.c (varpool_remove_node): Do not remove initializer.
651         (varpool_reset_queue): Export.
652         (varpool_finalize_decl): Volatile vars are forced to be output.
653         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
654         replaced decl.
655         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
656         process_references, varpool_can_remove_if_no_refs): New functions.
657         (cgraph_remove_unreachable_nodes): Handle variables too.
658
659 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
660
661         PR target/44088
662         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
663
664 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
665
666         PR middle-end/44085
667         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
668         change value of ORT_TASK.
669         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
670         (omp_notice_threadprivate_variable): New function.
671         (omp_notice_variable): Call it for threadprivate variables.
672         If enclosing ctx is a task, print enclosing task rather than
673         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
674         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
675         if task has untied clause.
676
677         PR debug/42278
678         * dwarf2out.c (base_type_die): Don't add name attribute here.
679         (modified_type_die): Instead of sizetype use
680         its underlying original type.  If a DW_TAG_base_type doesn't
681         have name added, add __unknown__.
682         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
683         always call force_type_die instead.
684
685 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
686
687         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
688         for __stack_chk_guard.
689
690 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
691
692         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
693         don't call start_source_file debug hook here...
694         (finish_options): ... but here, after outputting predefined and
695         command line defines and undefs.
696
697         PR middle-end/44071
698         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
699         no fallthru edge.
700         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
701         optimizing away empty bb with no successors, move over its
702         footer chain to fallthru predecessor.
703         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
704         (rtl_split_edge): For asm goto call patch_jump_insn even if
705         splitting fallthru edge.
706
707         PR c++/44059
708         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
709         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
710         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
711         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
712         on DW.ref.* decls.
713
714         PR c++/44062
715         * c-parser.c (c_parser_expression): Mark LHS of a comma
716         expression as read if it is a decl, handled component or
717         COMPOUND_EXPR with that on the RHS.
718         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
719         if it is a decl or handled component.
720
721 2010-05-11  Jan Hubicka  <jh@suse.cz>
722
723         * lto-symtab.c (lto_symtab_free): New function.
724         * lto-streamer.h (lto_symtab_free): Declare.
725
726 2010-05-11  Jan Hubicka  <jh@suse.cz>
727
728         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
729         that if function is needed it is reachable.
730         (lto_output_node): See if it the function is reachable or referenced.
731         (output_cgraph): Update call of lto_output_node.
732         * lto-streamer.h (reachable_from_other_partition_p): Declare.
733
734 2010-05-11  Jan Hubicka  <jh@suse.cz>
735
736         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
737         Mark as used.
738
739 2010-05-11  Jan Hubicka  <jh@suse.cz>
740
741         PR tree-optimize/44063
742         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
743         queue.
744         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
745         limits.
746         (estimate_function_body_sizes): Compute sizes even when disregarding.
747
748 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
749
750         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
751
752 2010-05-11  Jan Hubicka  <jh@suse.cz>
753
754         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
755         into every boundary.
756
757 2010-05-11  Jan Hubicka  <jh@suse.cz>
758
759         * matrix-reorg.c (matrix_reorg): Rebuild edges.
760
761 2010-05-11  Jan Hubicka  <jh@suse.cz>
762
763         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
764         lto_streamer_cache_delete): Put nodes into heap.
765         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
766         heap.
767
768 2010-05-11  Jan Hubicka  <jh@suse.cz>
769
770         * cgraphbuild.c (cgraph_rebuild_references): New.
771         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
772         out extern inlines.
773         * cgraph.h (cgraph_rebuild_references): Declare.
774         * tree-inline.c (tree_function_versioning): Use it.
775         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
776
777 2010-05-11  Jan Hubicka  <jh@suse.cz>
778
779         * cgraph.c: Include ipa-utils.h
780         (cgraph_create_virtual_clone): Update references.
781         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
782
783 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
784
785         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
786         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
787         cache size.
788
789 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
790
791         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
792
793 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
794
795         * gcc.c (execute): For -### don't quote arguments that
796         contain just alphanumerics and _/-. characters.
797         * doc/invoke.texi: Document that change for -###.
798
799         PR debug/44023
800         * df-problems.c (struct dead_debug): Add to_rescan field.
801         (dead_debug_init): Clear to_rescan field.
802         (dead_debug_finish): Rescan all debug insns in to_rescan
803         bitmap and free the bitmap.
804         (dead_debug_insert_before): Instead of rescanning debug insns
805         immediately queue their rescanning until dead_debug_finish.
806         (df_note_bb_compute): After dead_debug_add do continue instead
807         of break.
808
809 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
810
811         PR debug/44028
812         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
813         clear also INSN_REG_USE_LIST.
814
815 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
816
817         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
818
819 2010-05-10  Jan Hubicka  <jh@suse.cz>
820
821         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
822         commited change.
823
824 2010-05-10  Jan Hubicka  <jh@suse.cz>
825
826         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
827         Allocate encoders.
828         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
829         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
830         (lto_streamer_cache_create): Init alloc pool.
831         (lto_streamer_cache_delete): Free alloc pool.
832         * lto-streamer.h: Include alloc pool.
833         (lto_streamer_cache_d): Use alloc pool.
834         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
835
836 2010-05-10  Jan Hubicka  <jh@suse.cz>
837
838         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
839         * cgraphbuild.c: Include except.h
840         (record_type_list, record_eh_tables): New function.
841         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
842
843 2010-05-10  Jan Hubicka  <jh@suse.cz>
844
845         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
846         __frame_dummy_init_array_entry, force_to_data): Attribute as used
847         rather than unused.
848
849 2010-05-10  Michael Matz  <matz@suse.de>
850
851         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
852         (can_reassociate_p): Use FLOAT_TYPE_P.
853         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
854         (vect_force_simple_reduction): ... this.
855         * tree-parloops.c (gather_scalar_reductions): Use
856         vect_force_simple_reduction.
857         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
858         vect_is_simple_reduction, add modify argument, if true rewrite
859         "a-b" into "a+(-b)".
860         (vect_is_simple_reduction, vect_force_simple_reduction): New
861         functions.
862         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
863
864 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
865             Vladimir Makarov  <vmakarov@redhat.com>
866
867         PR rtl-optimization/44012
868         * ira-build.c (remove_unnecessary_allocnos): Nullify
869         regno_allocno_map of the removed allocno.
870
871 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
872
873         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
874         to /dev/null.
875         * configure: Regenerate.
876
877 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
878
879         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
880         unused.
881         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
882         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
883         support in Sun ld.
884         * configure: Regenerate.
885
886 2010-05-10  Richard Guenther  <rguenther@suse.de>
887
888         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
889         marked if the entry identifier is marked.
890
891 2010-05-10  Richard Guenther  <rguenther@suse.de>
892
893         * c-common.c (struct c_common_attributes): Add fnspec attribute.
894         (handle_fnspec_attribute): New function.
895         * gimple.h (gimple_call_return_flags): Declare.
896         (gimple_call_arg_flags): Likewise.
897         * gimple.c (gimple_call_arg_flags): New function.
898         (gimple_call_return_flags): Likewise.
899         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
900         New argument flags.
901         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
902         return value flags.
903         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
904         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
905         main work to ...
906         (make_heapvar_for): ... this new function.
907         (handle_rhs_call): Handle fnspec attribute argument specifiers.
908         (handle_lhs_call): Likewise.
909         (find_func_aliases): Adjust.
910
911 2010-05-10  Richard Guenther  <rguenther@suse.de>
912
913         PR tree-optimization/44050
914         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
915
916 2010-05-10  Wei Guozhi  <carrot@google.com>
917
918         PR target/42879
919         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
920
921 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
922
923         PR c/10676
924         * c-typeck.c (lookup_field): Take a type directly.  Update
925         recursive calls.
926         (build_component_ref): Update call to lookup_field.
927         (set_init_label): Use lookup_field to find initialized field.
928         Handle returned list of fields like a sequence of designators.
929
930 2010-05-09  Richard Guenther  <rguenther@suse.de>
931
932         PR middle-end/44024
933         * fold-const.c (tree_single_nonzero_warnv_p): Properly
934         handle &FUNCTION_DECL.
935
936 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
937
938         PR c/4784
939         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
940         structures and unions recursively.
941         (detect_field_duplicates): Move duplicate detection with a hash to
942         detect_field_duplicates_hash.  Always use a hash if anonymous
943         structures or unions are present.
944         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
945         give errors.
946
947 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
948
949         PR target/44046
950         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
951         detect Atom, Core 2 and Core i7.
952
953 2010-05-09  Richard Guenther  <rguenther@suse.de>
954
955         * gcc.c (store_arg): Handle temporary file deletion for
956         joined arguments.
957
958 2010-05-09  Richard Guenther  <rguenther@suse.de>
959
960         PR middle-end/44043
961         * ipa-inline.c (estimate_function_body_sizes): Return after
962         disregarding inline limits.
963
964 2010-05-09  Richard Guenther  <rguenther@suse.de>
965
966         * gcc.c (store_arg): Revert last change.
967
968 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
969
970         PR middle-end/28685
971         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
972         (optimize_ops_list): Call it.
973
974 2010-05-08  Richard Guenther  <rguenther@suse.de>
975
976         PR tree-optimization/44030
977         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
978         NECESSARY flag if we propagate from a inserted expression.
979
980 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
981
982         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
983         domain types as equal if they are both PLACEHOLDER_EXPRs.
984
985 2010-05-08  Richard Guenther  <rguenther@suse.de>
986
987         * lto-wrapper.c (run_gcc): Remove linker output from
988         command line for LTRANS invocation.
989
990 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
991
992         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
993         lto-macho as lto_binary_reader.
994         * target.h (struct gcc_target): New hooks lto_start and lto_end.
995         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
996         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
997         in lto_start and lto_end calls.
998         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
999         magic numbers.
1000         (scan_prog_file): Update is_elf_or_coff call.
1001         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1002
1003         * collect2.c (main): Fix enum comparison.
1004
1005         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1006         Add prototypes.
1007         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1008         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
1009         and TARGET_ASM_LTO_END.
1010         * darwin.c: Include obstack.h and lto-streamer.h.
1011         (lto_section_names_offset, lto_section_names_obstack,
1012         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1013         global variables.
1014         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1015         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
1016         to a temporary file.
1017         (darwin_asm_lto_end): New function.  Restore asm_out_file.
1018         (darwin_asm_named_section): For LTO sections, replace the name with
1019         the offset of the section name in a string table, and build this
1020         table.
1021         (darwin_file_start): Initialize global vars for LTO support.
1022         (darwin_file_end): If output to asm_out_file was redirected, append it
1023         to the proper asm_out_file here.  Add the section names section.
1024
1025 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1026
1027         * c-pragma.c (pending_weak_d, pending_weak): New.
1028         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1029         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1030         handle_pragma_weak): Update the uses of pending_weaks.
1031
1032 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1033
1034         PR documentation/44016
1035         * doc/standards.texi (Standards): Link to unversioned
1036         cxx0x_status.html page.
1037
1038 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
1039
1040         PR target/43708
1041         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1042         in addition to TREE_USED, to avoid "set but unused" warnings.
1043
1044 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1045
1046         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1047         (is_loop_prefetching_profitable): Do not insert prefetches
1048         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1049         times the prefetch ahead distance.
1050
1051 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1052
1053         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1054         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1055         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1056         the unroll_factor.
1057
1058 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1059
1060         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1061         a diagnostic info when the insn-to-mem ratio is too small.
1062
1063 2010-05-07  Richard Guenther <rguenther@suse.de>
1064
1065         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1066         the linker plugin.
1067         (store_arg): Queue temp_filename for deletion instead of
1068         the whole argument.
1069
1070 2010-05-07  Richard Guenther  <rguenther@suse.de>
1071
1072         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1073         (run_gcc): Handle LTRANS phase invocation.
1074         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1075
1076 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
1077
1078         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1079         this is also meaningful on PARM_DECLs and RESULT_DECLs.
1080
1081 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1082
1083         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1084
1085 2010-05-07  Richard Guenther  <rguenther@suse.de>
1086
1087         PR tree-optimization/44020
1088         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1089         code when PRE is not yet initialized.
1090
1091 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1092
1093         * config/mips/dbxmdebug.h: Remove.
1094         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1095
1096 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
1097
1098         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1099         with null pointer and also warn about ordered comparison of zero with
1100         pointer if -Wextra.
1101
1102 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1103
1104         * graphite-blocking.c
1105         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1106         * graphite-clast-to-gimple.c
1107         (clast_to_gcc_expression): Same.
1108         (precision_for_value): Same.
1109         (precision_for_interval): Same.
1110         (gcc_type_for_interval): Same.
1111         (graphite_create_new_guard): Same.
1112         (compute_bounds_for_level): Same.
1113         (graphite_create_new_loop_guard): Same.
1114         * graphite-interchange.c
1115         (build_linearized_memory_access): Same.
1116         (pdr_stride_in_loop): Same.
1117         (memory_strides_in_loop_1): Same.
1118         (memory_strides_in_loop): Same.
1119         (extend_scattering): Same.
1120         (psct_scattering_dim_for_loop_depth): Same.
1121         (pbb_number_of_iterations): Same.
1122         * graphite-poly.h
1123         (debug_iteration_domains): Same.
1124         * graphite-ppl.c
1125         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1126         (ppl_set_inhomogeneous_gmp): Same.
1127         (ppl_strip_loop): Same.
1128         (ppl_lexico_compare_linear_expressions): Same.
1129         (ppl_read_polyhedron_matrix): Same.
1130         (ppl_max_for_le_pointset): Same.
1131         * graphite-ppl.h
1132         (ppl_read_polyhedron_matrix): Same.
1133         (tree_int_to_gmp): Same.
1134         (gmp_cst_to_tree): Same.
1135         (ppl_set_inhomogeneous): Same.
1136         (ppl_set_inhomogeneous_tree): Same.
1137         (ppl_set_coef): Same.
1138         (ppl_set_coef_tree): Same.
1139         * graphite-sese-to-poly.c
1140         (build_pbb_scattering_polyhedrons): Same.
1141         (build_scop_scattering): Same.
1142         (scan_tree_for_params_right_scev): Same.
1143         (scan_tree_for_params): Same.
1144         (find_params_in_bb): Same.
1145         (find_scop_parameters): Same.
1146         (add_upper_bounds_from_estimated_nit): Same.
1147         (build_loop_iteration_domains): Same.
1148         (add_condition_to_domain): Same.
1149         (pdr_add_memory_accesses): Same.
1150
1151 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1152
1153         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1154         CLooG's value_* macros to their respective mpz_* counterparts.
1155         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1156         (graphite_create_new_loop_guard): Same.
1157         * graphite-interchange.c (build_linearized_memory_access): Same.
1158         (pdr_stride_in_loop): Same.
1159         (memory_strides_in_loop_1): Same.
1160         (1st_interchange_profitable_p): Same.
1161         * graphite-poly.c (extend_scattering): Same.
1162         (psct_scattering_dim_for_loop_depth): Same.
1163         (pbb_number_of_iterations): Same.
1164         (pbb_number_of_iterations_at_time): Same.
1165         * graphite-poly.h (new_1st_loop): Same.
1166         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1167         (oppose_constraint): Same.
1168         (insert_constraint_into_matrix): Same.
1169         (ppl_set_inhomogeneous_gmp): Same.
1170         (ppl_set_coef_gmp): Same.
1171         (ppl_strip_loop): Same.
1172         (ppl_lexico_compare_linear_expressions): Same.
1173         (ppl_max_for_le_pointset): Same.
1174         (ppl_min_for_le_pointset): Same.
1175         (ppl_build_realtion): Same.
1176         * graphite-ppl.h (gmp_cst_to_tree): Same.
1177         (ppl_set_inhomogeneous): Same.
1178         (ppl_set_inhomogeneous_tree): Same.
1179         (ppl_set_coef): Same.
1180         (ppl_set_coef_tree): Same.
1181         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1182         (build_scop_scattering): Same.
1183         (add_value_to_dim): Same.
1184         (scan_tree_for_params_right_scev): Same.
1185         (scan_tree_for_params_int): Same.
1186         (scan_tree_for_params): Same.
1187         (find_params_in_bb): Same.
1188         (find_scop_parameters): Same.
1189         (add_upper_bounds_from_estimated_nit): Same.
1190         (build_loop_iteration_domains): Same.
1191         (create_linear_expr_from_tree): Same.
1192         (add_condition_to_domain): Same.
1193         (pdr_add_memory_accesses): Same.
1194
1195 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
1196             Jason Merrill  <jason@redhat.com>
1197
1198         * c-common.c (c_common_reswords): Add nullptr.
1199         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
1200         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1201         (gen_type_die_with_usage): Likewise.
1202         * dbxout.c (dbxout_type): Likewise.
1203         * sdbout.c (plain_type_1): Likewise.
1204
1205 2010-05-06  Jason Merrill  <jason@redhat.com>
1206
1207         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1208         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
1209         ret appropriately.
1210         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1211
1212         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1213         stripping WITH_SIZE_EXPR.
1214         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1215         change.
1216
1217 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1218
1219         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1220         list of obsolete configurations.
1221         Disabled check for obsolete configurations.
1222         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1223         Removed support for previous versions.
1224         * config/mips/iris.h: Removed.
1225         * config/mips/iris5.h: Removed.
1226         * config/mips/iris6.h: Merged old iris.h contents.
1227         (TARGET_IRIX): Removed.
1228         (DRIVER_SELF_SPECS): Removed mabi=32.
1229         (IDENT_ASM_OP): Removed undef.
1230         (STARTFILE_SPEC): Removed mabi=32.
1231         (ENDFILE_SPEC): Likewise.
1232         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1233         (MACHINE_TYPE): Update for IRIX 6.5.
1234         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1235         TARGET_IRIX by TARGET_IRIX6.
1236         (mips_file_start): Likewise.
1237         (mips_output_external): Remove IRIX 5/6 O32 support.
1238         (mips_output_function_prologue): Likewise.
1239         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1240         TARGET_IRIX6.
1241         (TARGET_CPU_CPP_BUILTINS): Likewise.
1242         (TARGET_IRIX): Removed.
1243         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1244         (MULTILIB_DIRNAMES): Removed 32.
1245         (MULTILIB_OSDIRNAMES): Removed ../lib.
1246         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1247         (Specific, mips-sgi-irix5): Document removal.
1248         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1249         Remove references to older IRIX 6 releases and the O32 ABI.
1250
1251 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1252
1253         PR bootstrap/43994
1254         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1255         instead of DF_REF_REAL_REG.
1256
1257 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1258
1259         PR target/43888
1260         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1261         handling to still return true for x64 targets.
1262
1263 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1264
1265         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1266
1267 2010-05-06  Jan Hubicka  <jh@suse.cz>
1268
1269         PR tree-optimization/43791
1270         * ipa-inline.c (update_caller_keys): Remove bogus
1271         disregard_inline_limits check.
1272
1273 2010-05-06  Michael Matz  <matz@suse.de>
1274
1275         PR tree-optimization/43984
1276         * tree-ssa-pre.c (inserted_phi_names): Remove.
1277         (inserted_exprs): Change to bitmap.
1278         (create_expression_by_pieces): Set bits, don't append to vector.
1279         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1280         (eliminate): Don't look at inserted_phi_names, remove deleted
1281         insns from inserted_exprs.
1282         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1283         (init_pre, fini_pre): Allocate and free bitmaps.
1284         (execute_pre): Insert insns on edges before elimination.
1285
1286 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1287
1288         * tree.c (initializer_zerop): Handle STRING_CST.
1289
1290 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1291
1292         PR 40989
1293         * doc/invoke.texi (Wimplicit): Document as C only.
1294         * opts.c (common_handle_option): Add argument kind.
1295         (handle_option): Rename as read_cmdline_option. Factor out code to...
1296         (handle_option): ... here. New.
1297         (handle_options): Rename as read_cmdline_options.
1298         (decode_options): Update call.
1299         (set_option): Use option index instead of option pointer. Classify
1300         diagnostics correctly.
1301         (enable_warning_as_error): Call handle_option.
1302         * opts.h (set_option): Update declaration.
1303         (handle_option): Declare.
1304         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1305         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1306         * c-opts.c (set_Wimplicit): Delete.
1307         (c_family_lang_mask): New static constant.
1308         (c_common_handle_option): Add argument kind. Use handle_option
1309         instead of set_Wimplicit.
1310         (c_common_post_options): warn_implicit and warn_implicit_int
1311         are disabled by default.
1312         * c-common.c (warn_implicit): Do not define here.
1313         * c-common.h (warn_implicit): Do not declare here.
1314         (c_common_handle_option): Update declaration.
1315         * lto-opts.c (lto_reissue_options): Update call to set_option.
1316
1317 2010-05-06  Richard Guenther  <rguenther@suse.de>
1318
1319         PR tree-optimization/43571
1320         * domwalk.c (walk_dominator_tree): Walk the dominator
1321         sons in more optimal order.
1322
1323 2010-05-06  Richard Guenther  <rguenther@suse.de>
1324
1325         PR tree-optimization/43934
1326         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1327         (stmt_cost): Likewise.
1328         (extract_true_false_args_from_phi): New helper.
1329         (determine_max_movement): For PHI nodes verify we can hoist them
1330         and compute their cost.
1331         (determine_invariantness_stmt): Handle PHI nodes.
1332         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1333         if-converted form using COND_EXPRs.
1334         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1335         (tree_ssa_lim): Likewise.
1336         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1337         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1338
1339 2010-05-06  Richard Guenther  <rguenther@suse.de>
1340
1341         PR tree-optimization/43987
1342         * tree-ssa-structalias.c (could_have_pointers): For possibly
1343         address-taken variables force pointers to be recorded.
1344         (create_variable_info_for_1): Likewise.
1345         (push_fields_onto_fieldstack): Pass in wheter all fields
1346         must have pointers.
1347         (find_func_aliases): Query types instead of vars whether
1348         they contain pointers where appropriate.
1349
1350 2010-05-06  Jan Hubicka  <jh@suse.cz>
1351
1352         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1353         (record_reference, mark_address, mark_load, mark_store): Record
1354         references.
1355         (record_references_in_initializer): Update call of record_references.
1356         (rebuild_cgraph_edges): Remove all references before rebuiding.
1357         * cgraph.c (cgraph_create_node): Clear ref list.
1358         (cgraph_remove_node): Remove references.
1359         (dump_cgraph_node): Dump references.
1360         (cgraph_clone_node): Clone references.
1361         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1362         (struct cgraph_node, varpool_node): Add ref_lst.
1363         * ipa-ref.c: New file.
1364         * ipa-ref.h: New file.
1365         * ipa-ref-inline.h: New file.
1366         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1367         (referenced_from_other_partition_p): New function.
1368         (lto_output_varpool_node): Take set arugment; call
1369         referenced_from_other_partition.
1370         (lto_output_ref): New.
1371         (add_references): New.
1372         (output_refs): New.
1373         (output_cgraph): Compute boundary based on references; output refs.
1374         (output_varpool): Accept cgraph_node_set argument.
1375         (input_ref): New.
1376         (input_refs): New.
1377         (input_cgraph): Call input_refs.
1378         * lto-section-in.c (lto_section_name): Add refs.
1379         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1380         (ipa-ref.o): New file.
1381         * varpool.c (varpool_node): Clear ipa ref list.
1382         (varpool_remove_node): Remove references.
1383         (dump_varpool_node): Dump references.
1384         (varpool_assemble_decl): Only compile finalized ones.
1385         (varpool_extra_name_alias): Initialize ref list.
1386         * lto-streamer.c (lto-get_section_name): Add .refs section.
1387         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1388         (referenced_from_other_partition_p): Declared.
1389
1390 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1391
1392         PR tree-optimization/43901
1393         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1394         type is not NULL if it's transformation phase, and return
1395         FALSE if it's analysis.
1396         (vectorizable_conversion, vectorizable_operation,
1397         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1398
1399 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1400
1401         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1402         Delete.
1403         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1404         New define.
1405         * config/mips/mips-protos.h
1406         (mips_small_register_classes_for_mode_p): Delete prototype.
1407
1408 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1409
1410         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1411         * config/arm/arm.c (multiple_operation_profitable_p,
1412         compute_offset_order): New static functions.
1413         (load_multiple_sequence, store_multiple_sequence): Use them.
1414         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1415         memory offsets, not register numbers.
1416         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1417
1418 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1419
1420         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1421         (get_pending_sizes, put_pending_size, put_pending_sizes):
1422         Update the uses of pending_sizes.
1423         * c-decl.c (store_parm_decls): Likewise.
1424         * c-tree.h (struct c_arg_info): Likewise.
1425         * tree.h: Update the prototype for get_pending_sizes and
1426         put_pending_sizes.
1427
1428 2010-05-05  Jason Merrill  <jason@redhat.com>
1429
1430         PR debug/43370
1431         * c-common.c (handle_aligned_attribute): Respect
1432         ATTR_FLAG_TYPE_IN_PLACE.
1433
1434         PR testsuite/43758
1435         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1436         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1437         (TARGET_INITIALIZER): Use it.
1438         * c-common.c (attribute_takes_identifier_p): Call it.
1439         * c-common.h: Update prototype.
1440         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1441         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1442
1443 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1444
1445         PR debug/43950
1446         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1447         DW_ID_down_case for Fortran compilation units.
1448
1449 2010-05-05  Jan Hubicka  <jh@suse.cz>
1450
1451         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1452         handle aliases.
1453
1454 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1455
1456         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1457         a variable-sized RESULT_DECL.
1458
1459 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1460
1461         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1462
1463 2010-05-05  Jason Merrill  <jason@redhat.com>
1464
1465         PR c++/43787
1466         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1467         returns GS_OK.
1468         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1469
1470 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1471             Jakub Jelinek  <jakub@redhat.com>
1472
1473         PR debug/43478
1474         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1475         (dead_debug_init, dead_debug_finish): New functions.
1476         (dead_debug_add, dead_debug_insert_before): Likewise.
1477         (df_note_bb_compute): Initialize a dead_debug object, add dead
1478         debug uses to it, insert debug bind insns before death insns,
1479         reset debug insns that refer to pending uses at the end.
1480         * rtl.h (make_debug_expr_from_rtl): New prototype.
1481         * varasm.c (make_debug_expr_from_rtl): New function.
1482
1483 2010-05-05  Jan Hubicka  <jh@suse.cz>
1484
1485         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1486         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1487         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1488         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1489         lto_varpool_encoder_encode_initializer_p,
1490         lto_set_varpool_encoder_encode_initializer): New functions.
1491         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1492         call output_varpool.
1493         (input_varpool_node): Do not always set analyzed.
1494         (input_cgraph_1): Return vector of cgraph nodes.
1495         (input_varpool_1): Return vector of varpools.
1496         (input_cgraph): Free the vectors.
1497         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1498         output only initializers needed.
1499         (lto_output): Only call output_cgraph.
1500         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1501         * lto-section-out.c (lto_new_out_decl_state): Initialize
1502         state->varpool_node_encoder.
1503         * lto-streamer.h (lto_varpool_encoder_d): New.
1504         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1505         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1506         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1507         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1508         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1509         Declare.
1510         (output_varpool, input_varpool): Remove declarations.
1511
1512 2010-05-05  Jan Hubicka  <jh@suse.cz>
1513
1514         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1515         with body can prevail.
1516
1517 2010-05-05  Jan Hubicka  <jh@suse.cz>
1518
1519         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1520         size.
1521
1522 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1523
1524         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1525
1526         * gengtype.h (erro_at_line): Constify pos argument.
1527
1528         * gengtype.c: Include hashtab.h.
1529         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1530         (error_at_line): Constify pos argument.
1531         (do_typedef): Initialize p->opt field.
1532         (get_file_gtfilename): Fix comment typo.
1533         (struct walk_type_data): Constify line field.
1534         (get_output_file_for_structure): New function.
1535         (write_local_func_for_structure): Constify orig_s argument.
1536         Use get_output_file_for_structure.
1537         (write_func_for_structure): Use get_output_file_for_structure.
1538         (INDENT): New define.
1539         (dump_pair, dump_type, dump_type_list, dump_typekind)
1540         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1541         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1542         functions.
1543         (seen_types): New variable.
1544         (main): New variable do_dump.  Process "-d" command line option.
1545         Call dump_everything if dump requested.
1546
1547 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1548
1549         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1550         in a temporary instead of invoking the macro multiple times.
1551         (track_expr_p): Likewise.
1552
1553 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1554
1555         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1556         per new semantics.
1557         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1558         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1559         conditions for printing notes.
1560         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1561         true, update documentation.
1562         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1563
1564 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1565
1566         PR c/43981
1567         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1568         on dimen.
1569
1570 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1571
1572         PR target/43799
1573         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1574         (*sse_prologue_save_insn1): Likewise.
1575         (SSE prologue save splitter): Likewise.
1576
1577 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1578
1579         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1580         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1581         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1582         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1583         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1584         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1585         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1586
1587 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1588
1589         * tree-sra.c (build_access_from_expr_1): The first parameter type
1590         changed to simple tree.
1591         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1592         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1593         renamed as well.
1594         (build_accesses_from_assign): Removed all parameters except for a
1595         simple gimple statement.  Now returns a simple bool.
1596         (scan_function): All non-analysis parts moved to separate functions
1597         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1598         parameters and updated both callers.
1599         (sra_modify_expr): Removed parameter data.
1600         (sra_modify_function_body): New function.
1601         (perform_intra_sra): Call sra_modify_function_body to modify the
1602         function body.
1603         (replace_removed_params_ssa_names): Parameter data changed into
1604         adjustments vector.
1605         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1606         changed the parameter dont_convert to convert with the opposite
1607         meaning.
1608         (sra_ipa_modify_assign): Parameter data changed into adjustments
1609         vector, return value changed to bool.
1610         (ipa_sra_modify_function_body): New function.
1611         (sra_ipa_reset_debug_stmts): Updated a comment.
1612         (modify_function): Use ipa_sra_modify_function_body to modify function
1613         body.
1614
1615 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1616
1617         PR middle-end/43671
1618         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1619         (canon_true_dependence): Likewise.
1620         (write_dependence_p): Likewise.
1621
1622 2010-05-04  Jan Hubicka  <jh@suse.cz>
1623
1624         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1625         * cgraphbuild.c: Include ipa-utils.h
1626         (record_reference_ctx): New struct.
1627         (record_reference): Simplify to work on initializers; not statements.
1628         (mark_address, mark_load, mark_store): New.
1629         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1630         walk PHI nodes too.
1631         (record_references_in_initializer): Update use of record_reference.
1632         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1633         walk PHI nodes too.
1634
1635 2010-05-04  Jan Hubicka  <jh@suse.cz>
1636
1637         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1638         node will be removed anyway.
1639         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1640         relink aliases of node into prevailing node.
1641         * varpool.c (varpool_remove_node): Remove aliases properly;
1642         when removing node, remove all its aliases too; remove DECL_INITIAL
1643         of removed node; ggc_free the varpool node.
1644
1645 2010-05-04  Richard Guenther  <rguenther@suse.de>
1646
1647         PR tree-optimization/43879
1648         * tree-ssa-structalias.c (alias_get_name): Use
1649         DECL_ASSEMBLER_NAME if available.
1650         (create_function_info_for): Return the varinfo node.
1651         (ipa_pta_execute): Associate same-body aliases and extra names
1652         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1653
1654 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1655
1656         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1657
1658 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1659
1660         PR bootstrap/43964
1661         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1662         only if HONOR_REG_ALLOC_ORDER is not defined.
1663
1664 2010-05-04  Richard Guenther  <rguenther@suse.de>
1665
1666         PR tree-optimization/43949
1667         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1668         TRUNC_MOD_EXPR.
1669
1670 2010-04-26  Jason Merrill  <jason@redhat.com>
1671
1672         * c.opt (-fstrict-enums): New.
1673         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1674
1675 2010-05-03  David Ung <davidu@mips.com>
1676             James E. Wilson  <wilson@codesourcery.com>
1677
1678         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1679         emit the trap instruction before the divide for TUNE_74K.
1680
1681 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1682
1683         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1684         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1685         based on the above, for new target hook.
1686
1687         * hooks.c (hook_bool_mode_true): New generic hook.
1688         * hooks.h (hook_bool_mode_true): Add prototype.
1689
1690         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1691         target hook.
1692         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1693         target hook, set to hook_bool_mode_false.
1694         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1695         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1696         with targetm.small_register_classes_for_mode_p.
1697         (find_reusable_reload): Likewise.
1698         (combine_reloads): Likewise.
1699         * reload1.c (reload_as_needed): Likewise.
1700         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1701         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1702         dead_or_predicable): Likewise.
1703         * regmove.c (optimize_reg_copy_1): Likewise.
1704         * calls.c (prepare_call_address): Likewise.
1705         (precompute_register_parameters): Likewise.
1706
1707         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1708         hook definition.
1709         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1710         implementation of the hook that considers all register classes
1711         small except for SH64.
1712         (sh_override_options): Use the new hook.
1713         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1714         Add prototype.
1715
1716         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1717         hook definition.
1718         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1719         implementation of the hook that considers all register classes
1720         small for THUMB1.
1721         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1722         Add prototype.
1723
1724         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1725         hook definition.
1726         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1727         implementation of the hook that considers all register classes
1728         small for MIPS16.
1729         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1730         Add prototype.
1731
1732         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1733         hook definition.
1734         * config/m32c/m32c.h: Likewise.
1735         * config/pdp11/pdp11.h: Likewise.
1736         * config/avr/avr.h: Likewise.
1737         * config/xtensa/xtensa.h: Likewise.
1738         * config/m68hc11/m68hc11.h: Likewise.
1739         * config/mn10300/mn10300.h: Likewise.
1740         * config/mcore/mcore.h: Likewise.
1741         * config/h8300/h8300.h: Likewise.
1742         * config/bfin/bfin.h: Likewise.
1743
1744         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1745         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1746
1747 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1748
1749         * double-int.h (tree_to_double_int): Remove macro.
1750         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1751         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1752         (tree_to_double_int): New function.
1753         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1754         Move ...
1755         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1756
1757 2010-05-03  Richard Guenther  <rguenther@suse.de>
1758
1759         PR tree-optimization/43971
1760         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1761         constraints in the !flag_delete_null_pointer_checks case.
1762
1763 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1764
1765         PR debug/43972
1766         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1767         result mode matches original rtl mode.
1768
1769 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1770
1771         PR target/43888
1772         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1773
1774 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1775
1776         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1777         when processing flag options.
1778
1779 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1780
1781         * gcov-iov.c (main): Change format string placeholder
1782         from %#08x to 0x%08x.
1783         * genchecksum.c (dosum): Change format string placeholder
1784         from %#02x to 0x%02x.
1785
1786 2010-05-02  Richard Guenther  <rguenther@suse.de>
1787
1788         PR tree-optimization/43879
1789         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1790
1791 2010-05-02  Bruno Haible  <bruno@clisp.org>
1792
1793         * doc/extend.texi (Function Attributes): Fix a typo.
1794
1795 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1796
1797         Revert:
1798         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1799         placeholder from 0x%x to %#x.
1800         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1801         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1802         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1803         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1804         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1805         * config/i386/i386.c (ix86_target_string): Ditto.
1806         * config/i386/i386.c (output_pic_addr_const): Ditto.
1807         (print_operand): Ditto.
1808
1809 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1810
1811         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1812         placeholder from 0x%x to %#x.
1813         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1814         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1815         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1816         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1817         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1818         * optc-gen.awk: Ditto.
1819         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1820         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1821         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1822         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1823
1824 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1825
1826         * target.h (struct calls): Add function_value_regno_p field.
1827         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1828         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1829         * targhooks.c (default_function_value_regno_p): New function.
1830         * targhooks.h (default_function_value_regno_p): Declare function.
1831         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1832         * builtins.c. (apply_result_size): (Ditto.).
1833         * combine.c. (likely_spilled_retval_p): (Ditto.).
1834         * mode-switching.c. Include 'target.h'.
1835         (create_pre_exit): Use function_value_regno_p hook.
1836         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1837         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1838         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1839
1840         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1841         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1842         (ix86_function_value_regno_p): Declare as static, change argument
1843         type to const unsigned int.
1844         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1845
1846 2010-05-01  Richard Guenther  <rguenther@suse.de>
1847
1848         PR tree-optimization/43949
1849         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1850         types.
1851         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1852
1853 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1854
1855         * rtl.h (CONST_DOUBLE_P): Define.
1856         (rtx_to_double_int): Declare.
1857         * emit-rtl.c (rtx_to_double_int): New function.
1858         * dwarf2out.c (insert_double): New function.
1859         (loc_descriptor, add_const_value_attribute): Clean up, use
1860         rtx_to_double_int and insert_double functions.
1861
1862 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1863
1864         * doc/extend.texi (Inline): Add missing return keyword to examples.
1865         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1866         "command-line".
1867
1868 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1869
1870         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1871         the variable part of the offset as well.  Use highest_pow2_factor for
1872         all alignment checks.
1873
1874 2010-04-30  Richard Guenther  <rguenther@suse.de>
1875
1876         PR tree-optimization/43879
1877         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1878         can have pointers.
1879
1880 2010-04-30  Jan Hubicka  <jh@suse.cz>
1881
1882         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1883         varpool.
1884         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1885
1886 2010-04-30  Jan Hubicka  <jh@suse.cz>
1887
1888         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1889         New.
1890         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1891         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1892         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1893         cgraph_node_set_needs_ltrans_p): Remove.
1894
1895 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1896
1897         * sdbout.c: Include vec.h, do not include varray.h.
1898         (deferred_global_decls, sdbout_global_decl,
1899         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1900         * toplev.c: Do not include varray.h.
1901         (dump_memory_report): Do not dump VARRAY statistics.
1902         * gengtype.c (open_base_file): Ignore varray.h.
1903         * Makefile.in: Update for abovementioned changes.
1904         Remove all traces of varray.c and varray.h.
1905         * varray.c: Remove file.
1906         * varray.h: Remove file.
1907
1908 2010-04-30  Jan Hubicka  <jh@suse.cz>
1909
1910         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1911         references.
1912
1913 2010-04-30  Jan Hubicka  <jh@suse.cz>
1914
1915         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1916         needed.
1917
1918 2010-04-30  Richard Guenther  <rguenther@suse.de>
1919
1920         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1921         constraints for CONSTRUCTOR.
1922
1923 2010-04-30  Richard Guenther  <rguenther@suse.de>
1924
1925         PR lto/43946
1926         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1927         first after all lowering passes.
1928
1929 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1930
1931         * toplev.c: Include varray.h for statistics dumping.
1932         * tree.h: Do not declare varray_head_tag.
1933         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1934         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1935         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1936         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1937         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1938         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1939         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1940         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1941         include varray.h.
1942         * Makefile.in: Update for abovementioned changes.
1943
1944 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1945
1946         PR debug/43942
1947         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1948
1949 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1950
1951         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1952         Use this function to do machine-specific conversion.
1953         (picochip_legitimize_reload_address): Likewise.
1954         (picochip_legitimate_address_p): Check valid base register only if
1955         strict.
1956         (picochip_check_conditional_copy): Check for modw only if opnd is
1957         register.
1958         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1959         to call the function in c.
1960         * config/picochip/picochip-protos.h
1961         (picochip_legitimize_reload_address): Define.
1962         * config/picochip/picochip.md (supported_compare1): Define.
1963
1964 2010-04-30  Jan Hubicka  <jh@suse.cz>
1965
1966         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1967         (cgraph_global_info): Remove inlined.
1968         (LTO_cgraph_tag_names): Remove.
1969         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1970         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1971         simplify cgraph tags and document.
1972         (lto_output_node): Use only LTO_cgraph_unavail_node and
1973         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1974         for_functions_valid, global info, process and output flags.
1975         (input_overwrite_node): Initialize estimated stack size and
1976         estimated growth.  Do not read flags we no longer store.
1977         (input_node): Likewise do not read info no longer stored.
1978         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1979         flag.
1980
1981 2010-04-30  Richard Guenther  <rguenther@suse.de>
1982
1983         PR tree-optimization/43879
1984         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1985         handle non-zero initializers.
1986
1987 2010-04-30  Richard Guenther  <rguenther@suse.de>
1988
1989         * builtins.c (fold_builtin_1): Delete free (0).
1990
1991 2010-04-29  Jan Hubicka  <jh@suse.cz>
1992
1993         * gengtype.c (open_base_files): Add lto-streamer.h
1994         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1995         (pass_ipa_cp): GGC collect.
1996         * toplev. (compile_file): Do not output symbols.
1997         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1998         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1999         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2000         * lto-section-in.c: Include ggc.h
2001         (lto_new_in_decl_state): Alloc in GGC.
2002         (lto_delete_in_decl_state): Likewise.
2003         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2004         Collect.
2005
2006 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2007
2008         PR target/42895
2009         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2010         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
2011         (HONOR_REG_ALLOC_ORDER): Describe new macro.
2012         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2013         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2014         account only if HONOR_REG_ALLOC_ORDER is not defined.
2015         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2016         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2017
2018 2010-04-29  Jon Grant  <04@jguk.org>
2019
2020         * collect2.c (vflag): Change type from int to bool.
2021         (debug): Likewise.
2022         (helpflag): New global bool.
2023         (main): Set vflag and debug with boolean, not integer truth values.
2024         Accept new "--help" option and output usage text if found.
2025         * collect2.h (vflag): Update prototype.
2026         (debug): Likewise.
2027
2028 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2029
2030         PR bootstrap/43936
2031         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2032
2033 2010-04-29  Richard Guenther  <rguenther@suse.de>
2034
2035         PR bootstrap/43935
2036         * plugin.h (invoke_plugin_callbacks): Annotate arguments
2037         with ATTRIBUTE_UNUSED.
2038
2039 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2040
2041         PR target/43921
2042         * config/i386/i386.c (get_some_local_dynamic_name): Replace
2043         INSN_P with NONDEBUG_INSN_P.
2044         (distance_non_agu_define): Likewise.
2045         (distance_agu_use): Likewise.
2046
2047 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2048
2049         From Dominique d'Humieres <dominiq@lps.ens.fr>
2050         PR bootstrap/43858
2051         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2052         test_set.
2053
2054 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
2055
2056         * plugin.h (invoke_plugin_callbacks): New inline function.
2057         * plugin.c (flag_plugin_added): New global flag.
2058         (add_new_plugin): Initialize above flag.
2059         (invoke_plugin_callbacks): Rename to ...
2060         (invoke_plugin_callbacks_full): ... this.
2061
2062 2010-04-28  Jan Hubicka  <jh@suse.cz>
2063
2064         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2065         (lto_varpool_replace_node): New.
2066         (lto_symtab_resolve_symbols): Resolve varpool nodes.
2067         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2068         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2069         * cgraph.h (varpool_node_ptr): New type.
2070         (varpool_node_ptr): New vector.
2071         (varpool_node_set_def): New structure.
2072         (varpool_node_set): New type.
2073         (varpool_node_set): New vector.
2074         (varpool_node_set_element_def): New structure.
2075         (varpool_node_set_element, const_varpool_node_set_element): New types.
2076         (varpool_node_set_iterator): New type.
2077         (varpool_node): Add prev pointers, add used_from_other_partition,
2078         in_other_partition.
2079         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2080         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2081         varpool_get_node, varpool_remove_node): Declare.
2082         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2083         varpool_node_set_size): New inlines.
2084         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2085         * tree-pass.h (varpool_node_set_def): Forward declare.
2086         (ipa_opt_pass_d): Summary writting takes vnode sets too.
2087         (ipa_write_optimization_summaries): Update prototype.
2088         * ipa-cp.c (ipcp_write_summary): Update.
2089         * ipa-reference.c (ipa_reference_write_summary): Update.
2090         * lto-cgraph.c (lto_output_varpool_node): New static function.
2091         (output_varpool): New function.
2092         (input_varpool_node): New static function.
2093         (input_varpool_1): New function.
2094         (input_cgraph): Input varpool.
2095         * ipa-pure-const.c (pure_const_write_summary): Update.
2096         * lto-streamer-out.c (lto_output): Update, output varpool too.
2097         (write_global_stream): Kill WPA hack.
2098         (produce_asm_for_decls): Update.
2099         (output_alias_pair_p): Handle variables.
2100         (output_unreferenced_globals): Output only needed partition of varpool.
2101         * ipa-inline.c (inline_write_summary): Update.
2102         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2103         cgraph.
2104         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2105         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2106         varpool_node_set_new, varpool_node_set_add,
2107         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2108         debug_varpool_node_set): New functions.
2109         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2110         (execute_one_pass): Process new decls too.
2111         (ipa_write_summaries_2): Pass around vsets.
2112         (ipa_write_summaries_1): Likewise.
2113         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2114         to add.
2115         (ipa_write_optimization_summaries_1): Pass around vsets.
2116         (ipa_write_optimization_summaries): Likewise.
2117         * varpool.c (varpool_get_node): New.
2118         (varpool_node): Update doubly linked lists.
2119         (varpool_remove_node): New.
2120         (dump_varpool_node): More dumping.
2121         (varpool_enqueue_needed_node): Update doubly linked lists.
2122         (decide_is_variable_needed): Kill ltrans hack.
2123         (varpool_finalize_decl): Kill lto hack.
2124         (varpool_assemble_decl): Skip decls in other partitions.
2125         (varpool_assemble_pending_decls): Update doubly linkes lists.
2126         (varpool_empty_needed_queue): Likewise.
2127         (varpool_extra_name_alias): Likewise.
2128         * lto-streamer.c (lto_get_section_name): Add vars section.
2129         * lto-streamer.h (lto_section_type): Update.
2130         (output_varpool, input_varpool): Declare.
2131
2132 2010-04-28  Mike Stump  <mikestump@comcast.net>
2133
2134         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2135
2136 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2137
2138         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2139         record or union type with RECORD_OR_UNION_TYPE_P predicate.
2140         (lto_input_ts_type_tree_pointers): Likewise.
2141         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2142         (lto_output_ts_type_tree_pointers): Likewise.
2143
2144 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2145
2146         Uniquization of constants at the Tree level
2147         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2148         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2149         bit to the end.
2150         (tree_output_constant_def): Declare.
2151         * gimplify.c (gimplify_init_constructor): When using block copy, first
2152         uniquize the constant constructor on the RHS.
2153         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2154         DECL_IN_CONSTANT_POOL flag.
2155         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2156         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2157         constant pool.
2158         (assemble_variable): Deal with symbols belonging to the tree constant
2159         pool.
2160         (get_constant_section): Add ALIGN parameter and simplify.
2161         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2162         (assemble_constant_contents): Use the expression of the VAR_DECL.
2163         (output_constant_def_contents): Use the alignment of the VAR_DECL.
2164         (tree_output_constant_def): New global function.
2165         (mark_constant): Use the expression of the VAR_DECL.
2166         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2167         its expression.
2168         (output_object_block): Likewise and assemble the expression.
2169
2170 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2171
2172         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2173         hash_tree, eq_tree): New tree hash table.
2174         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2175         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2176         lto_orig_address_remove): Reimplement.
2177
2178 2010-04-28  Xinliang David Li  <davidxl@google.com>
2179
2180         PR c/42643
2181         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2182         (compute_uninit_opnds_pos): New function.
2183         (is_non_loop_exit_postdominating): New function.
2184         (compute_control_dep_chain): New function.
2185         (find_pdom): New function.
2186         (convert_control_dep_chain_into_preds): New function.
2187         (find_predicates): New function.
2188         (find_control_equiv_block): New function.
2189         (collect_phi_def_edges): New function.
2190         (find_def_preds): New function.
2191         (find_dom): New function.
2192         (dump_predicates): New function.
2193         (get_cmp_code): New function.
2194         (is_value_included_in): New function.
2195         (find_matching_predicate_in_rest_chains): New function.
2196         (use_pred_not_overlap_with_undef_path_pred): New function.
2197         (is_use_properly_guarded): New function.
2198         (normalize_cond_1): New function.
2199         (is_and_or_or): New function.
2200         (normalize_cond): New function.
2201         (is_gcond_subset_of): New function.
2202         (is_subset_of_any): New function.
2203         (is_or_set_subset_of): New function.
2204         (is_and_set_subset_of): New function.
2205         (is_norm_cond_subset_of): New function.
2206         (is_pred_expr_subset_of): New function.
2207         (is_pred_chain_subset_of): New function.
2208         (is_included_in): New function.
2209         (is_superset_of): New function.
2210         (find_uninit_use): New function.
2211         (warn_uninitialized_phi): New function.
2212         (compute_possibly_undefined_names): New function.
2213         (ssa_undefined_value_p): New function.
2214         (execute_late_warn_uninitialized): New function.
2215         * tree-ssa.c (ssa_undefined_value_p): Removed.
2216         (warn_uninit): Changed to extern.
2217         (warn_uninitialized_phi): Removed.
2218         (warn_uninitialized_vars): Changed to extern.
2219         (execute_late_warn_uninitialized): Removed
2220         * tree-flow.h: Add new prototypes.
2221         * timevar.def: Add new time variable.
2222         * Makefile.in: Add new build file.
2223
2224 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
2225
2226         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2227         type if available.
2228
2229 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2230
2231         PR target/22224
2232         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2233
2234 2010-04-28  Martin Jambor  <mjambor@suse.cz>
2235
2236         * cgraph.h (struct cgraph_node): New field indirect_calls.
2237         (struct cgraph_indirect_call_info): New type.
2238         (struct cgraph_edge): Removed field indirect_call. New fields
2239         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2240         (cgraph_create_indirect_edge): Declare.
2241         (cgraph_make_edge_direct): Likewise.
2242         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2243         * ipa-prop.h (struct ipa_param_call_note): Removed.
2244         (struct ipa_node_params): Removed field param_calls.
2245         (ipa_create_all_structures_for_iinln): Declare.
2246         * cgraph.c: Described indirect edges and uids in initial comment.
2247         (cgraph_add_edge_to_call_site_hash): New function.
2248         (cgraph_edge): Search also among the indirect edges, use
2249         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2250         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2251         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2252         site hash.
2253         (initialize_inline_failed): Assign a reason to indirect edges.
2254         (cgraph_create_edge_1): New function.
2255         (cgraph_create_edge): Moved some functionality to
2256         cgraph_create_edge_1.
2257         (cgraph_create_indirect_edge): New function.
2258         (cgraph_edge_remove_callee): Add an assert checking for
2259         non-indirectness.
2260         (cgraph_edge_remove_caller): Special-case indirect edges.
2261         (cgraph_remove_edge): Likewise.
2262         (cgraph_set_edge_callee): New function.
2263         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2264         (cgraph_make_edge_direct): New function.
2265         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2266         the declaration of the call statement matches.
2267         (cgraph_node_remove_callees): Special-case indirect edges.
2268         (cgraph_clone_edge): Likewise.
2269         (cgraph_clone_node): Clone also the indirect edges.
2270         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2271         indirect_call, dump count of indirect_calls edges.
2272         * ipa-prop.c (iinlining_processed_edges): New variable.
2273         (ipa_note_param_call): Create indirect edges instead of
2274         creating notes.  New parameter node.
2275         (ipa_analyze_call_uses): New parameter node, pass it on to
2276         ipa_note_param_call.
2277         (ipa_analyze_stmt_uses): Likewise.
2278         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2279         (print_edge_addition_message): Work on edges rather than on notes.
2280         (update_call_notes_after_inlining): Likewise, renamed to
2281         update_indirect_edges_after_inlining.
2282         (ipa_create_all_structures_for_iinln): New function.
2283         (ipa_free_node_params_substructures): Do not free notes.
2284         (ipa_edge_duplication_hook): Propagate bits within
2285         iinlining_processed_edges bitmap.
2286         (ipa_node_duplication_hook): Do not duplicate notes.
2287         (free_all_ipa_structures_after_ipa_cp): Renamed to
2288         ipa_free_all_structures_after_ipa_cp.
2289         (free_all_ipa_structures_after_iinln): Renamed to
2290         ipa_free_all_structures_after_iinln.
2291         (ipa_write_param_call_note): Removed.
2292         (ipa_read_param_call_note): Removed.
2293         (ipa_write_indirect_edge_info): New function.
2294         (ipa_read_indirect_edge_info): Likewise.
2295         (ipa_write_node_info): Do not stream notes, do stream information
2296         in indirect edges.
2297         (ipa_read_node_info): Likewise.
2298         (lto_ipa_fixup_call_notes): Removed.
2299         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2300         * ipa-inline.c (pass_ipa_inline): Likewise.
2301         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2302         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2303         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2304         is_gimple_call.
2305         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2306         edges.
2307         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2308         (output_cgraph): Stream also indirect edges.
2309         (lto_output_edge): Added capability to stream indirect edges.
2310         (input_edge): Likewise.
2311         (input_cgraph_1): Likewise.
2312         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2313         of indirect edges.
2314
2315 2010-04-28  Richard Guenther  <rguenther@suse.de>
2316
2317         PR tree-optimization/43879
2318         PR tree-optimization/43909
2319         * tree-ssa-structalias.c (struct variable_info): Add
2320         only_restrict_pointers flag.
2321         (new_var_info): Initialize it.  Increment stats.total_vars here.
2322         (create_function_info_for): Do not increment stats.total_vars here.
2323         (get_function_part_constraint): Fix build with C++.
2324         (insert_into_field_list): Remove.
2325         (push_fields_onto_fieldstack): Properly merge fields.
2326         (create_variable_info_for): Split and simplify.
2327         (create_variable_info_for_1): New piece.
2328         (intra_create_variable_infos): Properly make restrict constraints
2329         from parameters.
2330
2331 2010-04-28  Richard Guenther  <rguenther@suse.de>
2332
2333         PR c++/43880
2334         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2335
2336 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2337             Jan Hubicka <hubicka@ucw.cz>
2338
2339         * doc/invoke.texi (-Wsuggest-attribute=const,
2340         -Wsuggest-attribute=pure): Document.
2341         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2342         (function_always_visible_to_compiler_p,
2343         suggest_attribute, warn_function_pure, warn_function_const):
2344         New functions.
2345         (check_call): Improve debug info.
2346         (analyze_function): Do not check availability.
2347         (add_new_function): Check availability.
2348         (propagate): Output warnings.
2349         (skip_function_for_local_pure_const): New function.
2350         (local_pure_const): Use it; output warnings.
2351         * common.opt (Wsuggest-attribute=const,
2352         Wsuggest-attribute=pure): New.
2353
2354 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2355
2356         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2357         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2358         or DW_CFA_def_cfa_offset{,_sf}.
2359
2360 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2361
2362         * tree.h: Fix truncated long macros.
2363
2364 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2365
2366         * collect2.c (TARGET_64BIT): Redefine to target's default.
2367         * tlink.c: Likewise.
2368         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2369         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2370         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2371         for underscoring __USER_LABEL_PREFIX__.
2372         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2373         (SUB_LINK_ENTRY32): New.
2374         (SUB_LINK_ENTRY64): New.
2375         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2376         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2377         (SUB_LINK_ENTRY64): New.
2378         (SUB_LINK_ENTRY): New.
2379         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2380         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2381         x64 target is choosen.
2382         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2383         * configure: Regenerated.
2384         * configure.ac (leading-mingw64-underscores): Option added.
2385
2386 2010-04-27  Jan Hubicka  <jh@suse.cz>
2387
2388         * doc/invoke.texi (-fipa-profile): Document.
2389         * opts.c (decode_options): Enable ipa-profile at -O1.
2390         * timevar.def (TV_IPA_PROFILE): Define.
2391         * common.opt (fipa-profile): Add.
2392         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2393         flag for clones.
2394         (cgraph_propagate_frequency): Handle only local ones.
2395         * tree-pass.h (pass_ipa_profile): Declare.
2396         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2397         (pass_ipa_profile): Use TV_IPA_PROFILE.
2398         * ipa.c (ipa_profile): New function.
2399         (gate_ipa_profile): Likewise.
2400         (pass_ipa_profile): New global variable.
2401         * passes.c (pass_ipa_profile): New.
2402
2403 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2404
2405         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2406
2407 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2408
2409         PR middle-end/43812
2410         * ipa.c (dissolve_same_comdat_group_list): New function.
2411         (function_and_variable_visibility): Call
2412         dissolve_same_comdat_group_list when comdat group contains external or
2413         newly local nodes.
2414         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2415         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2416
2417 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2418
2419         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2420         (const_hash_1) <VECTOR_CST>: New case.
2421         (compare_constant) <VECTOR_CST>: Likewise.
2422         <ADDR_EXPR>: Deal with LABEL_REFs.
2423         (copy_constant) <VECTOR_CST>: New case.
2424
2425 2010-04-27  Jan Hubicka  <jh@suse.cz>
2426
2427         * cgraph.c (cgraph_propagate_frequency): New function.
2428         * cgraph.h (cgraph_propagate_frequency): Declare.
2429         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2430         cgraph_propagate_frequency.
2431
2432 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2433
2434         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2435
2436 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2437
2438         PR target/40657
2439         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2440         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2441         here to determine which regs to push and how much stack to reserve.
2442
2443 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2444
2445         * doc/gimple.texi (gimple_statement_with_ops): Remove
2446         addresses_taken field.
2447         (gimple_statement_with_memory_ops): Likewise.
2448
2449 2010-04-27  Jan Hubicka  <jh@suse.cz>
2450
2451         * tree-inline.c (eni_inlining_weights): Remove.
2452         (estimate_num_insns): Special case more builtins.
2453
2454 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2455
2456         PR c/32207
2457         * c-typeck.c (build_binary_op): Move forward check for comparison
2458         pointer with null pointer constant and adjust the diagnostic message.
2459
2460 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2461
2462         PR lto/42776
2463         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2464         binutils supports extended .section directive needed by LTO, or
2465         warn if older binutils found.
2466         (LTO_BINARY_READER): New AC_SUBST'd variable.
2467         (LTO_USE_LIBELF): Likewise.
2468         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2469         variable.
2470         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2471         (LTO_USE_LIBELF): Likewise.
2472         * configure: Regenerate.
2473
2474         * collect2.c (is_elf): Rename from this ...
2475         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2476          object files in addition to ELF-formatted ones.
2477         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2478         symbol to be prefixed or not by an extra underscore.
2479
2480         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2481         * config/i386/winnt.c: Also #include lto-streamer.h
2482         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2483         LTO named sections.
2484         (i386_pe_asm_output_aligned_decl_common): Add comment.
2485         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2486
2487 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2488
2489         PR target/43889
2490         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2491         Add missing earlyclobber for second alternative.
2492
2493 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2494
2495         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2496         bits for artificial defs at the top of the block.
2497         * fwprop.c (single_def_use_enter_block): Don't call it.
2498
2499 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2500
2501         PR 43715
2502         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2503         instead of "$gcc_cv_objdump -T".
2504         Use "-undefined dynamic_lookup" on darwin.
2505         * gcc/configure: Regenerate.
2506
2507 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2508
2509         PR c/43893
2510         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2511
2512 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2513
2514         * c-parser.c (struct c_token): Move location field up.
2515         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2516         (struct c_declspecs): Convert typespec_word, storage_class, and
2517         default_int_p into bitfields.
2518         (struct c_declarator): Move loc field up.
2519
2520 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2521
2522         * cfgloop.h (struct loop): Move can_be_parallel field up.
2523         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2524         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2525         down.
2526         (struct iv_cand): Convert pos field into a bitfield.
2527         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2528         field up.
2529         (struct _stmt_vec_info): Shuffle fields for better packing.
2530
2531 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2532
2533         * varasm.c (IN_NAMED_SECTION): Remove guard.
2534         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2535         (IN_NAMED_SECTION_P): ...this.
2536         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2537         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2538
2539 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2540
2541         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2542         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2543         of shadowing it.  Fix comments.
2544
2545 2010-04-26  Jan Hubicka  <jh@suse.cz>
2546
2547         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2548         (cgraph_clone_node): Copy function frequency.
2549         * cgraph.h (node_frequency): New enum
2550         (struct cgraph_node): Add.
2551         * final.c (rest_of_clean_state): Update.
2552         * lto-cgraph.c (lto_output_node): Output node frequency.
2553         (input_overwrite_node): Input node frequency.
2554         * tre-ssa-loop-ivopts (computation_cost): Update.
2555         * lto-streamer-out.c (output_function): Do not output function
2556         frequency.
2557         * predict.c (maybe_hot_frequency_p): Update and handle functions
2558         executed once.
2559         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2560         attribute lookup.
2561         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2562         (compute_function_frequency): Set noreturn functions to be executed
2563         once.
2564         (choose_function_section): Update.
2565         * lto-streamer-in.c (input_function): Do not input function frequency.
2566         * function.c (allocate_struct_function): Do not initialize function
2567         frequency.
2568         * function.h (function_frequency): Remove.
2569         (struct function): Remove function frequency.
2570         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2571         (try_update): Update.
2572         * tree-inline.c (initialize_cfun): Do not update function frequency.
2573         * passes.c (pass_init_dump_file): Update.
2574         * i386.c (ix86_compute_frame_layout): Update.
2575         (ix86_pad_returns): Update.
2576
2577 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2578
2579         PR tree-optimization/43833
2580         * tree-vrp.c (range_int_cst_p): New.
2581         (range_int_cst_singleton_p): New.
2582         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2583         when both operands are constants.  Use range_int_cst_p in
2584         BIT_IOR_EXPR case.
2585
2586 2010-04-26  Jan Hubicka  <jh@suse.cz>
2587
2588         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2589
2590 2010-04-26  Richard Guenther  <rguenther@suse.de>
2591
2592         PR lto/43080
2593         * gimple.c (gimple_decl_printable_name): Deal gracefully
2594         with a NULL DECL_NAME.
2595
2596 2010-04-26  Richard Guenther  <rguenther@suse.de>
2597
2598         PR lto/42425
2599         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2600         if emitting debug information and it is either a function
2601         or a namespace decl.
2602
2603 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2604
2605         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2606         determine if the statement is vectorizable, and a macro to access it.
2607         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2608         Skip statements that can't be vectorized. If the analysis fails,
2609         mark the statement as unvectorizable if vectorizing basic block.
2610         (vect_compute_data_refs_alignment): Likewise.
2611         (vect_verify_datarefs_alignment): Skip statements marked as
2612         unvectorizable. Add print.
2613         (vect_analyze_group_access): Skip statements that can't be
2614         vectorized. If the analysis fails, mark the statement as
2615         unvectorizable if vectorizing basic block.
2616         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2617         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2618         generated stmts for SLP.
2619         (new_stmt_vec_info): Initialize the new field.
2620         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2621         statements marked as unvectorizable.
2622
2623 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2624
2625         * c-common.c (flag_isoc1x): New.
2626         (flag_isoc99): Update comment.
2627         * c-common.h (flag_isoc1x): New.
2628         (flag_isoc99): Update comment.
2629         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2630         __<type>_DECIMAL_DIG__.
2631         * c-opts.c (set_std_c1x): New.
2632         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2633         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2634         * c.opt (-std=c1x, -std=gnu1x): New options.
2635         * doc/cpp.texi: Mention -std=c1x.
2636         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2637         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2638         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2639         * doc/standards.texi: Mention C1X.
2640         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2641         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2642         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2643         Define for C1X.
2644
2645 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2646
2647         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2648         placeholder from 0x%x to %#x.
2649         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2650         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2651         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2652         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2653         * config/i386/i386.c (ix86_target_string): Ditto.
2654         (output_pic_addr_const): Ditto.
2655         (print_operand): Ditto.
2656
2657 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2658
2659         * combine.c (find_split_point): Add third argument.  Use it
2660         to find nested multiply-accumulate instructions.  Adjust calls.
2661         (try_combine): Adjust call to find_split_point.
2662
2663 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2664
2665         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2666
2667 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2668
2669         PR tree-optimization/41442
2670         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2671         (fold_binary_loc): Call it.
2672
2673 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2674
2675         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2676         * opts.c (common_handle_option): Allow disabling it.
2677         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2678
2679 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2680
2681         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2682         between modes if both types are integral.
2683
2684 2010-04-23  Richard Guenther  <rguenther@suse.de>
2685
2686         PR tree-optimization/43572
2687         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2688
2689 2010-04-23  Richard Guenther  <rguenther@suse.de>
2690
2691         PR lto/43455
2692         * tree-inline.c (tree_can_inline_p): Also check compatibility
2693         of return types.
2694
2695 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2696
2697         PR tree-optimization/43846
2698         * tree-sra.c (struct access): New flag grp_assignment_read.
2699         (build_accesses_from_assign): Set grp_assignment_read.
2700         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2701         (enum mark_read_status): New type.
2702         (analyze_access_subtree): Propagate grp_assignment_read, create
2703         accesses also if both direct_read and root->grp_assignment_read.
2704
2705 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2706
2707         PR middle-end/43835
2708         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2709         function does not have type attributes.
2710
2711 2010-04-23  Richard Guenther  <rguenther@suse.de>
2712
2713         PR lto/42653
2714         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2715         of FUNCTION_DECLs.
2716
2717 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2718
2719         * sese.h (create_if_region_on_edge): Remove.
2720
2721         * sese.c (create_if_region_on_edge): Make static.
2722
2723         * tree-inline.c: Do not include ggc.h.
2724
2725         * expr.c: Do not include ggc.h.
2726
2727         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2728         dependencies.
2729
2730 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2731
2732         PR target/43744
2733         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2734         in the middle of insns for casesi_worker_2.
2735
2736 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2737
2738         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2739
2740 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2741
2742         PR tree-optimization/43842
2743         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2744         loop unrolling in update of exit phis. Fix comment.
2745         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2746         least two reduction statements in the loop before starting SLP
2747         analysis.
2748
2749 2010-04-22  Nick Clifton  <nickc@redhat.com>
2750
2751         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2752
2753 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2754
2755         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2756         to simplify a + ~a.
2757
2758 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2759
2760         * tree-parloops.c (loop_parallel_p): New argument
2761         parloop_obstack.  Pass it down.
2762         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2763         pass it down, free it.
2764
2765         * tree-loop-linear.c (linear_transform_loops): Pass down
2766         lambda_obstack.
2767
2768         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2769         of type struct obstack *.
2770
2771         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2772         scratch_obstack.  Initialize it, pass down, free it.
2773
2774         * lambda.h (lambda_loop_new): Remove.
2775         (lambda_matrix_new, lambda_matrix_inverse)
2776         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2777         argument of type struct obstack *.
2778
2779         * lambda-trans.c (lambda_trans_matrix_new): New argument
2780         lambda_obstack.  Pass it down, use obstack allocation for ret.
2781         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2782         it down.
2783
2784         * lambda-mat.c (lambda_matrix_get_column)
2785         (lambda_matrix_project_to_null): Remove.
2786         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2787         allocation for mat.
2788         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2789         lambda_obstack.
2790
2791         * lambda-code.c (lambda_loop_new): New function.
2792         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2793         (lambda_compute_auxillary_space, lambda_compute_target_space)
2794         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2795         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2796         (build_access_matrix): New argument lambda_obstack.  Use obstack
2797         allocation for am.
2798         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2799         argument lambda_obstack.  Pass it down.
2800
2801 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2802
2803         * optabs.h (expand_widening_mult): Declare.
2804
2805 2010-04-22  Richard Guenther  <rguenther@suse.de>
2806
2807         PR tree-optimization/43845
2808         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2809         lookup the CALL_EXPR function and arguments.
2810
2811 2010-04-22  Nick Clifton  <nickc@redhat.com>
2812
2813         * config/stormy16/stormy16.c
2814         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2815         * config/stormy16/stormy16.h: Tidy up formatting.
2816         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2817         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2818         (ineqbranchsi): Delete pattern.
2819         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2820         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2821         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2822         stormy16-lib2-ucmpsi2.c.
2823
2824 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2825
2826         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2827         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2828         extra set merge_set_noclobber, and use it to relax the final test
2829         slightly.
2830         * df.h (df_simulate_find_noclobber_defs): Declare.
2831         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2832         conditional defs.
2833         (df_simulate_find_noclobber_defs): New function.
2834
2835 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2836
2837         * config/i386/i386.md: Use {} around multi-line preparation statements.
2838
2839 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2840
2841         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2842         (process_init_element): New argument of type struct obstack *.
2843
2844         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2845         (set_init_index, set_init_label, set_nonincremental_init)
2846         (set_nonincremental_init_from_string, find_init_member)
2847         (output_init_element, output_pending_init_elements)
2848         (process_init_element): New argument braced_init_obstack.  Pass it
2849         down.
2850         (push_range_stack, add_pending_init): New argument
2851         braced_init_obstack.  Use obstack allocation.
2852
2853         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2854         braced_init_obstack.  Pass it down.
2855         (c_parser_braced_init): New variables ret, braced_init_obstack.
2856         Initialize obstack, pass it down and finally free it.
2857
2858 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2859
2860         PR middle-end/29274
2861         * tree-pass.h (pass_optimize_widening_mul): Declare.
2862         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2863         gate_optimize_widening_mul): New static functions.
2864         (pass_optimize_widening_mul): New.
2865         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2866         <case MULT_EXPR>: Remove support for widening multiplies.
2867         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2868         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2869         simplify_gen_unary rather than directly building extensions.
2870         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2871         WIDEN_MULT_EXPR.
2872         * expmed.c (expand_widening_mult): New function.
2873         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2874
2875 2010-04-21  Jan Hubicka  <jh@suse.cz>
2876
2877         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2878         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2879         * lto-wpa-fixup.c: Remove.
2880         * Makefile.in (lto-wpa-fixup.o): Remove.
2881         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2882         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2883         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2884
2885 2010-04-21  Jan Hubicka  <jh@suse.cz>
2886
2887         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2888         add write_optimization_summary, read_optimization_summary.
2889         (ipa_write_summaries_of_cgraph_node_set): Remove.
2890         (ipa_write_optimization_summaries): Declare.
2891         (ipa_read_optimization_summaries): Declare.
2892         * ipa-cp.c (pass_ipa_cp): Update.
2893         * ipa-reference.c (pass_ipa_reference): Update.
2894         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2895         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2896         Update.
2897         * ipa-inline.c (pass_ipa_inline): Update.
2898         * ipa.c (pass_ipa_whole_program): Update.
2899         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2900         * passes.c (ipa_write_summaries_1): Do not test wpa.
2901         (ipa_write_optimization_summaries_1): New.
2902         (ipa_write_optimization_summaries): New.
2903         (ipa_read_summaries): Do not test ltrans.
2904         (ipa_read_optimization_summaries_1): New.
2905         (ipa_read_optimization_summaries): New.
2906
2907 2010-04-21  Jan Hubicka  <jh@suse.cz>
2908
2909         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2910         for boundary nodes.
2911         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2912
2913 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2914
2915         PR debug/40040
2916         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2917         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2918
2919 2010-04-21  Jan Hubicka  <jh@suse.cz>
2920
2921         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2922
2923 2010-04-21  Jan Hubicka  <jh@suse.cz>
2924
2925         * varpool.c (decide_is_variable_needed): Variable is always needed
2926         during ltrans.
2927
2928 2010-04-21  Jan Hubicka  <jh@suse.cz>
2929
2930         * opts.c (decode_options): Enable pure-const pass for whopr.
2931
2932 2010-04-21  Jan Hubicka  <jh@suse.cz>
2933
2934         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2935         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2936         at WPA dumping.
2937         (cgraph_decide_inlining): Do not expect callee to be removed in all
2938         cases.
2939
2940 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2941
2942         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2943
2944 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2945
2946         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2947         amdfam10_decode attributes.
2948
2949 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2950
2951         PR middle-end/43570
2952         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2953         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2954         (lower_copyprivate_clauses): Use private var in outer
2955         context instead of original var.  Make sure the types
2956         are correct for VLAs.
2957
2958 2010-04-21  Richard Guenther  <rguenther@suse.de>
2959
2960         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2961         to non-pointer objects.
2962
2963 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2964
2965         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2966         last chain entry if it starts with the still current label.
2967         (add_location_or_const_value_attribute): Check that
2968         loc_list->first->next is NULL instead of comparing ->first with ->last.
2969         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2970         to add_var_loc_to_decl.
2971
2972         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2973         >= 4 add also address size and segment size fields into CIE header.
2974
2975         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2976         long as address size is the same as sizeof (void *) and
2977         segment size is 0.
2978         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2979         address size or segment size is unexpected, return DW_EH_PE_omit.
2980         (classify_object_over_fdes): If get_cie_encoding returned
2981         DW_EH_PE_omit, return -1.
2982         (init_object): If classify_object_over_fdes returned -1,
2983         pretend there were no FDEs at all.
2984
2985 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2986
2987         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2988         bswap{si,di}2 using SWI48 mode iterator.
2989         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2990         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2991         set modrm attribute of bswap insn to 0 and remove length attribute.
2992         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2993         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2994         set mode attribute to <MODE> and remove length attribute.
2995
2996 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2997
2998         PR rtl-optimization/43520
2999         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3000         zero available registers.
3001
3002 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3003
3004         * builtins.c (fold_builtin_cproj): Fold more cases.
3005
3006 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3007
3008         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3009         (fold_builtin_1): Fold builtin cproj.
3010         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3011         Use ATTR_CONST_NOTHROW_LIST.
3012
3013 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
3014
3015         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3016         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
3017         ffsi2_no_cmove for !TARGET_CMOVE.
3018         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
3019         (ffssi2): Remove expander.
3020         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3021         mode iterator.
3022         (ctz<mode>2): Ditto from ctz{si,di}2.
3023         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3024         mode iterator.
3025         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3026         mode iterator.
3027
3028 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3029
3030         * dwarf2out.c (AT_linkage_name): Define.
3031         (clone_as_declaration): Handle DW_AT_linkage_name.
3032         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3033         of DW_AT_MIPS_linkage_name.
3034         (move_linkage_attr): Likewise.
3035         (dwarf2out_finish): Likewise.
3036
3037 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
3038
3039         PR middle-end/41952
3040         * fold-const.c (fold_comparison): New folding rule.
3041
3042 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
3043
3044         * double-int.h (double_int_setbit): Declare.
3045         * double-int.c (double_int_setbit): New function.
3046         * rtl.h (immed_double_int_const): Declare.
3047         * emit-rtl.c (immed_double_int_const): New function.
3048         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3049         and immed_double_int_const functions.
3050         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3051         expand_copysign_bit):  (Ditto.).
3052         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3053         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3054         * dojump.c (prefer_and_bit_test): (Ditto.).
3055         * expr.c (convert_modes, reduce_to_bit_field_precision,
3056         const_vector_from_tree): (Ditto.).
3057         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3058
3059 2010-04-20  Jan Hubicka  <jh@suse.cz>
3060
3061         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3062         (dump_cgraph_node): Dump new flags.
3063         * cgraph.h (struct cgraph_node): Add flags
3064         reachable_from_other_partition and in_other_partition.
3065         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3066         other partition can not be removed.
3067         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3068         the other partition must be output; silence sanity checking on
3069         leaking functions bodies from other paritition.
3070         * lto-cgraph.c (reachable_from_other_partition_p): New function.
3071         (lto_output_node): Output new flags; do not sanity check that inline
3072         clones are output; drop lto_forced_extern_inline_p code; do not mock
3073         visibility flags at partition boundaries.
3074         (add_node_to): New function.
3075         (output_cgraph): Use it to sort functions so masters appear before
3076         clones.
3077         (input_overwrite_node): Input new flags.
3078         * passes.c (ipa_write_summaries): Do not call
3079         lto_new_extern_inline_states.
3080         * lto-section-out.c (forced_extern_inline,
3081         lto_new_extern_inline_states lto_delete_extern_inline_states,
3082         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3083         * lto-streamer.h (lto_new_extern_inline_states,
3084         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3085         lto_forced_extern_inline_p): Kill.
3086
3087 2010-04-20  Richard Guenther  <rguenther@suse.de>
3088
3089         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3090         from vars that can have pointers.
3091         (process_constraint): Dump useless constraints.
3092
3093 2010-04-20  Richard Guenther  <rguenther@suse.de>
3094
3095         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3096         (dump_sa_points_to_info): Remove asserts.
3097         (init_base_vars): nothing_id isn't an escape point nor does it
3098         have pointers.
3099
3100 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3101
3102         * tree.h (TYPE_REF_IS_RVALUE): Define.
3103         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3104         should_move_die_to_comdat, prune_unused_types_walk): Handle
3105         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3106         (modified_type_die, gen_reference_type_die): Emit
3107         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3108         if TYPE_REF_IS_RVALUE and -gdwarf-4.
3109
3110 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3111
3112         PR target/43635
3113         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3114         calls for -fpic -m31 if they have been sibcall optimized.
3115
3116 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
3117
3118         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3119         ar.lc fixed and call-used.
3120
3121         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3122
3123 2010-04-19  Jan Hubicka  <jh@suse.cz>
3124
3125         * opts.c (decode_options): Disable whpr incompatible passes.
3126         * lto/lto.c (lto_1_to_1_map): Skip clones.
3127         (read_cgraph_and_symbols): Do not mark everything as needed.
3128         (do_whole_program_analysis): Do map only after optimizing;
3129         set proper cgraph_state; use passmanager.
3130
3131 2010-04-19  DJ Delorie  <dj@redhat.com>
3132
3133         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3134         POINTER_PLUS_EXPR and fix them.
3135
3136 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
3137
3138         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3139         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3140         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3141         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3142         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3143         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3144         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3145         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3146         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3147         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3148         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3149
3150 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3151
3152         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3153         (check_cond_move_block): Likewise.
3154         (cond_move_process_if_block): Likewise.
3155         (noce_find_if_block): Improve formatting.
3156         (find_if_header): Pass 0 to memset and tweak conditions.
3157         (cond_exec_find_if_block): Fix long lines and tweak conditions.
3158
3159 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3160
3161         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3162         for -gdwarf-4.
3163
3164         PR middle-end/43337
3165         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3166         with non-local decl doesn't need chain.
3167
3168 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
3169
3170         * ira-color.c (allocno_reload_assign): Avoid accumulating
3171         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3172
3173 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3174
3175         * gimple.h (create_tmp_reg): Declare.
3176         * gimplify.c (create_tmp_reg): New function.
3177         (gimplify_return_expr): Use create_tmp_reg.
3178         (gimplify_omp_atomic): Likewise.
3179         (gimple_regimplify_operands): Likewise.
3180         * tree-dfa.c (make_rename_temp): Likewise.
3181         * tree-predcom.c (predcom_tmp_var): Likewise.
3182         (reassociate_to_the_same_stmt): Likewise.
3183         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3184         (get_replaced_param_substitute): Likewise.
3185         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3186         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3187         * tree-ssa-pre.c (get_representative_for): Likewise.
3188         (create_expression_by_pieces): Likewise.
3189         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3190         (create_tailcall_accumulator): Likewise.
3191
3192 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3193
3194         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3195         new_stmt.
3196         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3197
3198 2010-04-19  Richard Guenther  <rguenther@suse.de>
3199
3200         PR tree-optimization/43796
3201         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3202         from SCEV in the lattice.
3203         (vrp_visit_phi_node): Dump change.
3204
3205 2010-04-19  Richard Guenther  <rguenther@suse.de>
3206
3207         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3208         * configure: Re-generated.
3209
3210 2010-04-19  Richard Guenther  <rguenther@suse.de>
3211
3212         PR tree-optimization/43783
3213         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3214         constant ARRAY_REF operands two and three if possible.
3215
3216 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
3217
3218         PR target/43766
3219         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3220
3221 2010-04-19  Jie Zhang  <jie@codesourcery.com>
3222
3223         PR target/43662
3224         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3225
3226 2010-04-19  Ira Rosen  <irar@il.ibm.com>
3227
3228         PR tree-optimization/37027
3229         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3230         and macro to access it.
3231         (vectorizable_reduction): Add argument.
3232         (vect_get_slp_defs): Likewise.
3233         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3234         statements for possible use in SLP.
3235         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3236         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3237         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3238         add new argument.
3239         (vectorizable_reduction): Likewise.
3240         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3241         vect_get_slp_defs.
3242         (vectorizable_type_demotion, vectorizable_type_promotion,
3243         vectorizable_store): Likewise.
3244         (vect_analyze_stmt): Update call to vectorizable_reduction.
3245         (vect_transform_stmt): Likewise.
3246         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3247         (vect_build_slp_tree): Fix indentation. Check that there are no loads
3248         from different interleaving chains in same node.
3249         (vect_slp_rearrange_stmts): New function.
3250         (vect_supported_load_permutation_p): Allow load permutations for
3251         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3252         inside SLP nodes if necessary.
3253         (vect_analyze_slp_instance): Handle reductions.
3254         (vect_analyze_slp): Try to build SLP instances originating from groups
3255         of reductions.
3256         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3257         (vect_get_constant_vectors): Create initial vectors for reductions
3258         according to reduction code. Add new argument.
3259         (vect_get_slp_defs): Add new argument, pass it to
3260         vect_get_constant_vectors.
3261         (vect_schedule_slp_instance): Remove SLP tree root statements.
3262
3263 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3264
3265         * tree.h (ENUM_IS_SCOPED): Define.
3266         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3267         for ENUM_IS_SCOPED enums.
3268
3269 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3270
3271         * fold-const.c (fold_comparison): Use ssizetype.
3272         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3273         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3274         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3275         * tree-object-size.c (compute_object_sizes): Use size_type_node.
3276
3277         * tree.h (initialize_sizetypes): Remove parameter.
3278         (build_common_tree_nodes): Remove second parameter.
3279         * stor-layout.c (initialize_sizetypes): Remove parameter.
3280         Always create an unsigned type.
3281         (set_sizetype): Assert that the passed type is unsigned and simplify.
3282         * tree.c (build_common_tree_nodes): Remove second parameter.
3283         Adjust call to initialize_sizetypes.
3284         * c-decl.c (c_init_decl_processing): Remove second argument in call to
3285         build_common_tree_nodes.
3286
3287 2010-04-18  Matthias Klose  <doko@ubuntu.com>
3288
3289         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3290
3291 2010-04-18  Ira Rosen  <irar@il.ibm.com>
3292
3293         PR tree-optimization/43771
3294         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3295         load permutation doesn't have gaps.
3296
3297 2010-04-18  Jan Hubicka  <jh@suse.cz>
3298
3299         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3300         (sse_prologue_save_insn expander): Use new pattern.
3301         (sse_prologue_save_insn1): New pattern and splitter.
3302         (sse_prologue_save_insn): Update to deal also with 64bit aligned
3303         blocks.
3304         * i386.c (setup_incoming_varargs_64): Do not compute jump
3305         destination here.
3306         (ix86_gimplify_va_arg): Update alignment needed.
3307         (ix86_local_alignment): Do not align all local arrays to 128bit.
3308
3309 2010-04-17  Jan Hubicka  <jh@suse.cz>
3310
3311         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3312
3313 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3314
3315         * arm.md (negdi2): Remove redundant code to force values into a
3316         register.
3317
3318 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3319
3320         * arm/bpabi.S: Add EABI alignment attributes to objects.
3321         * arm/bpabi-v6m.S: Likewise.
3322         * arm/crti.asm: Likewise.
3323         * arm/crtn.asm: Likewise.
3324         * arm/lib1funcs.asm: Likewise.
3325         * arm/libunwind.S: Likewise.
3326
3327 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3328
3329         * arm-protos.h (tune_params): New structure.
3330         * arm.c (current_tune): New variable.
3331         (arm_constant_limit): Delete.
3332         (struct processors): Add pointer to the tune parameters.
3333         (arm_slowmul_tune): New tuning option.
3334         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3335         (all_cores): Adjust to pick up the tuning model.
3336         (arm_constant_limit): New function.
3337         (arm_override_options): Select the appropriate tuning model.  Delete
3338         initialization of arm_const_limit.
3339         (arm_split_constant): Use the new constant-limit model.
3340         (arm_rtx_costs): Pick up the current tuning model.
3341         * arm.md (is_strongarm, is_xscale): Delete.
3342         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3343         for Xscale variant architectures.
3344         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3345
3346 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3347
3348         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3349         can_shift.
3350         (arm_rtx_costs_1): Remove unused variable extra_cost.
3351         (arm_unwind_emit_set): Use variable offset.
3352         (thumb1_output_casesi): Remove unused variable flags.
3353
3354 2010-04-16  Jeff Law  <law@redhat.com>
3355
3356         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3357         needing assignment rather than doing a two-phase assignment.  Remove
3358         unused variable 'm'.
3359
3360 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3361
3362         PR bootstrap/43767
3363         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3364
3365 2010-04-16  Doug Kwan  <dougkwan@google.com>
3366
3367         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3368         (next_operand_entry_id): New static variable.
3369         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3370         (add_to_ops_vec): Assigned unique ID to operand entry.
3371         (struct oecount_s): New field ID.
3372         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3373         (undistribute_ops_list): Assign unique IDs to oecounts.
3374         (init_reassoc): reset next_operand_entry_id.
3375
3376 2010-04-16  Doug Kwan  <dougkwan@google.com>
3377
3378         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3379         missing left parenthesis.
3380
3381 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3382
3383         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3384         *btdi_rex64 using SWI48 mode iterator.
3385         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3386         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3387         *jcc_btdi_mask_rex64.
3388
3389 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3390
3391         * double-int.h (tree_to_double_int): Convert to macro.
3392         * double-int.c (tree_to_double_int): Remove.
3393
3394 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3395
3396         PR debug/43762
3397         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3398         with want_address 2 and in case a single element list might be
3399         possible, call it again with want_address 0.
3400
3401 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3402
3403         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3404         case 'W' print operands for HI mode.
3405         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3406         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3407         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3408         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3409
3410         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3411
3412         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3413         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3414         #xx:3 and #xx:4 mode.
3415
3416         * config/h8300/h8300.md (inverted load with HImode dest): Add
3417         support for H8300SX.
3418
3419         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3420         satisfy 'U' constraint.
3421
3422 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3423
3424         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3425         * configure: Regenerate.
3426         * config.in: Regenerate.
3427         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3428         works.
3429
3430 2010-04-16  Richard Guenther  <rguenther@suse.de>