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