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PR debug/44112
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
2
3         PR debug/44112
4         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
5         for all SYMBOL_REF_DECLs.
6
7 2010-05-14  Jan Hubicka  <jh@suse.cz>
8
9         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
10         (varpool_all_refs_explicit_p): New inline function.
11         * ipa-reference.c: Update comment.
12         (module_statics_written): Remove.
13         (get_static_decl): Remove.
14         (ipa_init): Do not initialize module_statics_written.
15         (analyze_function): Likewise.
16         (generate_summary): Likewise; do not compute module_statics_readonly
17         and do not update variable flags.
18         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
19         * ipa.c: Inlucde flags.h
20         (cgraph_local_node_p): New.
21         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
22         promote functions to local.
23         (ipa_discover_readonly_nonaddressable_vars): New function.
24         (function_and_variable_visibility): Use cgraph_local_node_p.
25         * varpool.c (varpool_finalize_decl): Set force_output for
26         DECL_PRESERVE_P vars.
27
28 2010-05-14  Jan Hubicka  <jh@suse.cz>
29
30         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
31
32 2010-05-14  Richard Guenther  <rguenther@suse.de>
33
34         PR tree-optimization/44119
35         * tree-ssa-pre.c (eliminate): Properly mark replacement of
36         a PHI node necessary.
37
38 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
39
40         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
41
42 2010-05-14  Jason Merrill  <jason@redhat.com>
43
44         PR c++/44127
45         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
46         (gimple_call_set_nothrow): New.
47         * gimple.c (gimple_build_call_from_tree): Call it.
48         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
49
50         PR c++/44127
51         * gimplify.c (gimplify_seq_add_stmt): No longer static.
52         * gimple.h: Declare it.
53         * gimple.c (gimple_build_eh_filter): No ops.
54
55 2010-05-14  Jan Hubicka  <jh@suse.cz>
56
57         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
58         nodes already in queue.
59         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
60         re-enqueueing node.
61
62 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
63
64         PR debug/44136
65         * cfgexpand.c (expand_debug_expr): If non-memory op0
66         has BLKmode, return NULL.
67
68 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
69
70         * config.gcc: Add support for --with-cpu option for bdver1.
71         * config/i386/i386.h (TARGET_BDVER1): New macro.
72         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
73         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
74         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
75         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
76         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
77         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
78         (processor_type): Add PROCESSOR_BDVER1.
79         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
80         processor_type in config/i386/i386.h.
81         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
82         movaps <reg, reg> instead of movapd <reg, reg> when replacing
83         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
84         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
85         to emit packed xor instead of packed double/packed integer
86         xor for SSE and AVX when moving a zero value.
87         * config/i386/sse.md: Add check for
88         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
89         movapd/movdqa for SSE and AVX.
90         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
91         single logical operations i.e and, or and xor instead of packed double
92         logical operations for SSE and AVX.
93         * config/i386/i386-c.c: 
94         (ix86_target_macros_internal): Add PROCESSOR_BDVER1.
95         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
96         (has_fma4, has_xop): New.
97         * config/i386/i386.c (bdver1_cost): New variable.
98         (m_BDVER1): New macro.
99         (m_AMD_MULTIPLE): Add m_BDVER1.
100         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
101         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
102         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
103         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
104         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
105         x86_tune_sse_partial_reg_dependency,
106         x86_tune_sse_unaligned_load_optimal,
107         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
108         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
109         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
110         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
111         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
112         Enable/disable for bdver1.
113         (processor_target_table): Add bdver1_cost.
114         (cpu_names): Add bdver1.
115         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
116          processor_alias_table.
117         (ix86_expand_vector_move_misalign): Change.
118         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
119         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
120         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
121         of movupd/movdqu for SSE and AVX.
122         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
123         (ix86_tune_adjust_cost): Add code for bdver1.
124         (standard_sse_constant_opcode): Add check for
125         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
126         of packed double xor for SSE and AVX.
127
128 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
129
130         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
131         result to unsigned.
132
133 2010-05-14  Tristan Gingold  <gingold@adacore.com>
134
135         * toplev.c (default_debug_hooks): Remove this variable.
136         (process_options): Remove assignments to default_debug_hooks.
137
138 2010-05-14  Martin Jambor  <mjambor@suse.cz>
139
140         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
141         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
142         * langhooks.h (struct lang_hooks_for_decls): Removed field
143         fold_obj_type_ref.
144         * tree.c (free_lang_data): Remove assignment to
145         lang_hooks.fold_obj_type_ref.
146         * tree.def (OBJ_TYPE_REF): Update comment.
147
148 2010-05-14  Richard Guenther  <rguenther@suse.de>
149
150         PR tree-optimization/44124
151         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
152
153 2010-05-14  Alan Modra  <amodra@gmail.com>
154
155         PR target/44075
156         * config/rs6000/rs6000.c (struct machine_function): Reorder
157         fields for better packing.  Add lr_save_state.
158         (rs6000_ra_ever_killed): Return lr_save_state if set.
159         (rs6000_emit_eh_reg_restore): Set lr_save_state.
160
161 2010-05-13  Jan Hubicka  <jh@suse.cz>
162
163         * varpool.c (decide_is_variable_needed): Drop code checking
164         TREE_SYMBOL_REFERENCED.
165
166 2010-05-13  Jan Hubicka  <jh@suse.cz>
167
168         * final.c (output_addr_const): Do not call mark_decl_referenced.
169         * cgraphunit.c (process_function_and_variable_attributes): Use
170         mark_needed_node dirrectly.
171         (assemble_thunk): Do not call mark_decl_referenced.
172
173 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
174
175         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
176
177 2010-05-13  Jeff Law  <law@redhat.com>
178
179         * ira-conflicts.c (print_allocno_conflicts): New function broken out
180         from...
181         (print_conflicts): Call print_allocno_conflicts.
182
183 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
184
185         PR debug/44104
186         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
187         if it is NULL.
188
189 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
190
191         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
192         t-mingw-w64 or t-mingw-w32 for multilib configuration.
193         * config/i386/t-mingw-w32: New.
194         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
195         
196 2010-05-13  Martin Jambor  <mjambor@suse.cz>
197
198         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
199         gimple-fold.c).
200         * gimple-fold.c (get_base_binfo_for_type): New function.
201         (gimple_get_relevant_ref_binfo): Likewise.
202         (gimple_fold_obj_type_ref_known_binfo): Likewise.
203         (gimple_fold_obj_type_ref): Likewise.
204         (fold_gimple_call): Simplify condition for folding virtual calls
205         and call gimple_fold_obj_type_ref.
206         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
207         (gimple_fold_obj_type_ref_known_binfo): Likewise.
208
209 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
210
211         * config/rs6000/rs6000-protos.h
212         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
213         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
214         (rs6000_debug_mode_dependent_address)
215         (rs6000_mode_dependent_address_ptr): Likewise.
216
217 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
218
219         PR debug/43983
220         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
221         by SRA.
222         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
223         * tree-sra.c (create_access_replacement): Call unshare_expr before
224         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
225         it.
226         * dwarf2out.c: Include tree-flow.h.
227         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
228         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
229         Handle DW_OP_bit_piece.
230         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
231         construct_piece_list, adjust_piece_list): New functions.
232         (add_var_loc_to_decl): Handle SRA optimized variables.
233         Adjust for var_loc_note to loc field renaming.
234         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
235         in VAR_LOCATION note.
236         (new_loc_descr_op_bit_piece): New function.
237         (dw_sra_loc_expr): New function.
238         (dw_loc_list): Use it.  Don't handle the last range after the
239         loop, handle it inside of the loop.  Adjust for var_loc_note
240         to loc field renaming.
241         (add_location_or_const_value_attribute): Only special case
242         single entry loc lists if loc is NOTE_P.  Adjust for
243         var_loc_note to loc field renaming.
244         (dwarf2out_var_location): Don't set newloc->var_loc_note
245         and newloc->next here.
246
247 2010-05-12  Jan Hubicka  <jh@suse.cz>
248
249         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
250         flag.
251         * cgraph.h (cgraph_only_called_directly_p,
252         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
253         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
254         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
255         (assemble
256         * ipa.c (cgraph_remove_unreachable_nodes): Use
257         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
258         flags.
259         * tree-inline.c (copy_bb): Check address_taken flag.
260         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
261         externally_visible flag.
262
263 2010-05-12  Jason Merrill  <jason@redhat.com>
264
265         PR bootstrap/44048
266         PR target/44099
267         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
268         * sdbout.c (plain_type_1): Likewise.
269         * dwarf2out.c (is_base_type): Likewise.
270         (gen_type_die_with_usage): Likewise.  Generate
271         DW_TAG_unspecified_type for any LANG_TYPE.
272
273 2010-05-12  Jan Hubicka  <jh@suse.cz>
274
275         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
276         indrect edges too.
277         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
278         (cgraph_clone_edge): Update.
279         (cgraph_node_remove_callees): Remove indirect calls too.
280         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
281         (cgraph_create_indirect_edge): Update prototype.
282         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
283         is_proper_for_analysis.
284         (add_new_function, visited_nodes, function_insertion_hook_holder,
285         get_local_reference_vars_info, mark_address_taken, mark_address,
286         mark_load, mark_store, check_asm_memory_clobber, check_call,
287         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
288         (ipa_init): Do not initialize visited_nodes;
289         function_insertion_hook_holder.
290         (analyze_variable): Rewrite.
291         (analyze_function): Rewrite.
292         (copy_local_bitmap): Remove.
293         (duplicate_node_dat): Do not duplicate local info.
294         (generate_summary): Simplify to only walk cgraph.
295         (write_node_summary_p, ipa_reference_write_summary,
296         ipa_reference_read_summary): Remove.
297         (propagate): Do not remove function insertion;
298         generate summary.
299         (pass_ipa_reference): NULLify summary handling fields.
300         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
301         (input_edge): Input ecf_flags.
302         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
303         (update_indirect_edges_after_inlining): Ignore edges with unknown
304         param.
305
306 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
307
308         * implicit-zee.c: New file.
309         * tree-pass.h (pass_implicit_zee): Declare.
310         * passes.c (init_optimization_passes): Add zee pass.
311         * common.opt (fzee): New flag.
312         * timevar.def (TV_ZEE): Define.
313         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
314         and beyond.
315         * Makefile.in (implicit-zee.o): Add new build file.
316
317 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
318             Nathan Froyd  <froydnj@codesourcery.com>
319
320         * c-common.c (sync_resolve_params): Remove write-only variable.
321
322 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
323
324         * target.h (struct gcc_target): Add mode_dependent_address_p field.
325         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
326         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
327         * targhooks.c (default_mode_dependent_address_p): New function.
328         * targhooks.h (default_mode_dependent_address_p): Declare function.
329         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
330         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
331         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
332         target hook. Change return type to bool.
333         * recog.h: (mode_dependent_address_p): Change return type to bool.
334
335 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
336             Nathan Froyd  <froydnj@codesourcery.com>
337
338         * tree-mudflap.c (build_function_type_0, build_function_type_1,
339         build_function_type_2, build_function_type_3): Remove.
340         (mudflap_init): Use build_function_type_list.
341
342 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
343             Nathan Froyd  <froydnj@codesourcery.com>
344
345         * coverage.c (build_fn_info_value): Call build_constructor instead of
346         build_constructor_from_list.
347         (build_ctr_info_value): Likewise.
348         (build_gcov_info): Likewise.
349
350 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
351
352         * tree.c (build_constructor): Compute TREE_CONSTANT for the
353         resultant constructor.
354         (build_constructor_single): Don't set TREE_CONSTANT.
355         (build_constructor_from_list): Don't compute TREE_CONSTANT.
356
357 2010-05-12  Jan Hubicka  <jh@suse.cz>
358
359         * cgraph.h (struct varpool_node): Add aux.
360         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
361         * varpool.c (varpool_remove_node): Do not remove initializer.
362         (varpool_reset_queue): Export.
363         (varpool_finalize_decl): Volatile vars are forced to be output.
364         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
365         replaced decl.
366         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
367         process_references, varpool_can_remove_if_no_refs): New functions.
368         (cgraph_remove_unreachable_nodes): Handle variables too.
369
370 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
371
372         PR target/44088
373         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
374
375 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
376
377         PR middle-end/44085
378         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
379         change value of ORT_TASK.
380         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
381         (omp_notice_threadprivate_variable): New function.
382         (omp_notice_variable): Call it for threadprivate variables.
383         If enclosing ctx is a task, print enclosing task rather than
384         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
385         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
386         if task has untied clause.
387
388         PR debug/42278
389         * dwarf2out.c (base_type_die): Don't add name attribute here.
390         (modified_type_die): Instead of sizetype use
391         its underlying original type.  If a DW_TAG_base_type doesn't
392         have name added, add __unknown__.
393         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
394         always call force_type_die instead.
395
396 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
397
398         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
399         for __stack_chk_guard.
400
401 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
402
403         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
404         don't call start_source_file debug hook here...
405         (finish_options): ... but here, after outputting predefined and
406         command line defines and undefs.
407
408         PR middle-end/44071
409         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
410         no fallthru edge.
411         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
412         optimizing away empty bb with no successors, move over its
413         footer chain to fallthru predecessor.
414         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
415         (rtl_split_edge): For asm goto call patch_jump_insn even if
416         splitting fallthru edge.
417
418         PR c++/44059
419         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
420         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
421         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
422         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
423         on DW.ref.* decls.
424
425         PR c++/44062
426         * c-parser.c (c_parser_expression): Mark LHS of a comma
427         expression as read if it is a decl, handled component or
428         COMPOUND_EXPR with that on the RHS.
429         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
430         if it is a decl or handled component.
431
432 2010-05-11  Jan Hubicka  <jh@suse.cz>
433
434         * lto-symtab.c (lto_symtab_free): New function.
435         * lto-streamer.h (lto_symtab_free): Declare.
436
437 2010-05-11  Jan Hubicka  <jh@suse.cz>
438
439         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
440         that if function is needed it is reachable.
441         (lto_output_node): See if it the function is reachable or referenced.
442         (output_cgraph): Update call of lto_output_node.
443         * lto-streamer.h (reachable_from_other_partition_p): Declare.
444
445 2010-05-11  Jan Hubicka  <jh@suse.cz>
446
447         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
448         Mark as used.
449
450 2010-05-11  Jan Hubicka  <jh@suse.cz>
451
452         PR tree-optimize/44063
453         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
454         queue.
455         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
456         limits.
457         (estimate_function_body_sizes): Compute sizes even when disregarding.
458
459 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
460
461         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
462
463 2010-05-11  Jan Hubicka  <jh@suse.cz>
464
465         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
466         into every boundary.
467
468 2010-05-11  Jan Hubicka  <jh@suse.cz>
469
470         * matrix-reorg.c (matrix_reorg): Rebuild edges.
471
472 2010-05-11  Jan Hubicka  <jh@suse.cz>
473
474         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
475         lto_streamer_cache_delete): Put nodes into heap.
476         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
477         heap.
478
479 2010-05-11  Jan Hubicka  <jh@suse.cz>
480
481         * cgraphbuild.c (cgraph_rebuild_references): New.
482         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
483         out extern inlines.
484         * cgraph.h (cgraph_rebuild_references): Declare.
485         * tree-inline.c (tree_function_versioning): Use it.
486         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
487
488 2010-05-11  Jan Hubicka  <jh@suse.cz>
489
490         * cgraph.c: Include ipa-utils.h
491         (cgraph_create_virtual_clone): Update references.
492         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
493
494 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
495
496         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
497         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
498         cache size.
499
500 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
501
502         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
503
504 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
505
506         * gcc.c (execute): For -### don't quote arguments that
507         contain just alphanumerics and _/-. characters.
508         * doc/invoke.texi: Document that change for -###.
509
510         PR debug/44023
511         * df-problems.c (struct dead_debug): Add to_rescan field.
512         (dead_debug_init): Clear to_rescan field.
513         (dead_debug_finish): Rescan all debug insns in to_rescan
514         bitmap and free the bitmap.
515         (dead_debug_insert_before): Instead of rescanning debug insns
516         immediately queue their rescanning until dead_debug_finish.
517         (df_note_bb_compute): After dead_debug_add do continue instead
518         of break.
519
520 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
521
522         PR debug/44028
523         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
524         clear also INSN_REG_USE_LIST.
525
526 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
527
528         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
529
530 2010-05-10  Jan Hubicka  <jh@suse.cz>
531
532         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
533         commited change.
534
535 2010-05-10  Jan Hubicka  <jh@suse.cz>
536
537         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
538         Allocate encoders.
539         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
540         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
541         (lto_streamer_cache_create): Init alloc pool.
542         (lto_streamer_cache_delete): Free alloc pool.
543         * lto-streamer.h: Include alloc pool.
544         (lto_streamer_cache_d): Use alloc pool.
545         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
546
547 2010-05-10  Jan Hubicka  <jh@suse.cz>
548
549         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
550         * cgraphbuild.c: Include except.h
551         (record_type_list, record_eh_tables): New function.
552         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
553
554 2010-05-10  Jan Hubicka  <jh@suse.cz>
555
556         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
557         __frame_dummy_init_array_entry, force_to_data): Attribute as used
558         rather than unused.
559
560 2010-05-10  Michael Matz  <matz@suse.de>
561
562         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
563         (can_reassociate_p): Use FLOAT_TYPE_P.
564         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
565         (vect_force_simple_reduction): ... this.
566         * tree-parloops.c (gather_scalar_reductions): Use
567         vect_force_simple_reduction.
568         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
569         vect_is_simple_reduction, add modify argument, if true rewrite
570         "a-b" into "a+(-b)".
571         (vect_is_simple_reduction, vect_force_simple_reduction): New
572         functions.
573         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
574
575 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
576             Vladimir Makarov  <vmakarov@redhat.com>
577
578         PR rtl-optimization/44012
579         * ira-build.c (remove_unnecessary_allocnos): Nullify
580         regno_allocno_map of the removed allocno.
581
582 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
583
584         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
585         to /dev/null.
586         * configure: Regenerate.
587
588 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
589
590         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
591         unused.
592         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
593         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
594         support in Sun ld.
595         * configure: Regenerate.
596
597 2010-05-10  Richard Guenther  <rguenther@suse.de>
598
599         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
600         marked if the entry identifier is marked.
601
602 2010-05-10  Richard Guenther  <rguenther@suse.de>
603
604         * c-common.c (struct c_common_attributes): Add fnspec attribute.
605         (handle_fnspec_attribute): New function.
606         * gimple.h (gimple_call_return_flags): Declare.
607         (gimple_call_arg_flags): Likewise.
608         * gimple.c (gimple_call_arg_flags): New function.
609         (gimple_call_return_flags): Likewise.
610         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
611         New argument flags.
612         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
613         return value flags.
614         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
615         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
616         main work to ...
617         (make_heapvar_for): ... this new function.
618         (handle_rhs_call): Handle fnspec attribute argument specifiers.
619         (handle_lhs_call): Likewise.
620         (find_func_aliases): Adjust.
621
622 2010-05-10  Richard Guenther  <rguenther@suse.de>
623
624         PR tree-optimization/44050
625         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
626
627 2010-05-10  Wei Guozhi  <carrot@google.com>
628
629         PR target/42879
630         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
631
632 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
633
634         PR c/10676
635         * c-typeck.c (lookup_field): Take a type directly.  Update
636         recursive calls.
637         (build_component_ref): Update call to lookup_field.
638         (set_init_label): Use lookup_field to find initialized field.
639         Handle returned list of fields like a sequence of designators.
640
641 2010-05-09  Richard Guenther  <rguenther@suse.de>
642
643         PR middle-end/44024
644         * fold-const.c (tree_single_nonzero_warnv_p): Properly
645         handle &FUNCTION_DECL.
646
647 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
648
649         PR c/4784
650         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
651         structures and unions recursively.
652         (detect_field_duplicates): Move duplicate detection with a hash to
653         detect_field_duplicates_hash.  Always use a hash if anonymous
654         structures or unions are present.
655         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
656         give errors.
657
658 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
659
660         PR target/44046
661         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
662         detect Atom, Core 2 and Core i7.
663
664 2010-05-09  Richard Guenther  <rguenther@suse.de>
665
666         * gcc.c (store_arg): Handle temporary file deletion for
667         joined arguments.
668
669 2010-05-09  Richard Guenther  <rguenther@suse.de>
670
671         PR middle-end/44043
672         * ipa-inline.c (estimate_function_body_sizes): Return after
673         disregarding inline limits.
674
675 2010-05-09  Richard Guenther  <rguenther@suse.de>
676
677         * gcc.c (store_arg): Revert last change.
678
679 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
680
681         PR middle-end/28685
682         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
683         (optimize_ops_list): Call it.
684
685 2010-05-08  Richard Guenther  <rguenther@suse.de>
686
687         PR tree-optimization/44030
688         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
689         NECESSARY flag if we propagate from a inserted expression.
690
691 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
692
693         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
694         domain types as equal if they are both PLACEHOLDER_EXPRs.
695
696 2010-05-08  Richard Guenther  <rguenther@suse.de>
697
698         * lto-wrapper.c (run_gcc): Remove linker output from
699         command line for LTRANS invocation.
700
701 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
702
703         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
704         lto-macho as lto_binary_reader.
705         * target.h (struct gcc_target): New hooks lto_start and lto_end.
706         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
707         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
708         in lto_start and lto_end calls.
709         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
710         magic numbers.
711         (scan_prog_file): Update is_elf_or_coff call.
712         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
713
714         * collect2.c (main): Fix enum comparison.
715
716         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
717         Add prototypes.
718         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
719         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
720         and TARGET_ASM_LTO_END.
721         * darwin.c: Include obstack.h and lto-streamer.h.
722         (lto_section_names_offset, lto_section_names_obstack,
723         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
724         global variables.
725         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
726         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
727         to a temporary file.
728         (darwin_asm_lto_end): New function.  Restore asm_out_file.
729         (darwin_asm_named_section): For LTO sections, replace the name with
730         the offset of the section name in a string table, and build this
731         table.
732         (darwin_file_start): Initialize global vars for LTO support.
733         (darwin_file_end): If output to asm_out_file was redirected, append it
734         to the proper asm_out_file here.  Add the section names section.
735
736 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
737
738         * c-pragma.c (pending_weak_d, pending_weak): New.
739         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
740         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
741         handle_pragma_weak): Update the uses of pending_weaks.
742
743 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
744
745         PR documentation/44016
746         * doc/standards.texi (Standards): Link to unversioned
747         cxx0x_status.html page.
748
749 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
750
751         PR target/43708
752         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
753         in addition to TREE_USED, to avoid "set but unused" warnings.
754
755 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
756
757         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
758         (is_loop_prefetching_profitable): Do not insert prefetches
759         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
760         times the prefetch ahead distance.
761
762 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
763
764         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
765         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
766         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
767         the unroll_factor.
768
769 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
770
771         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
772         a diagnostic info when the insn-to-mem ratio is too small.
773
774 2010-05-07  Richard Guenther <rguenther@suse.de>
775
776         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
777         the linker plugin.
778         (store_arg): Queue temp_filename for deletion instead of
779         the whole argument.
780
781 2010-05-07  Richard Guenther  <rguenther@suse.de>
782
783         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
784         (run_gcc): Handle LTRANS phase invocation.
785         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
786
787 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
788
789         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
790         this is also meaningful on PARM_DECLs and RESULT_DECLs.
791
792 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
793
794         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
795
796 2010-05-07  Richard Guenther  <rguenther@suse.de>
797
798         PR tree-optimization/44020
799         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
800         code when PRE is not yet initialized.
801
802 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
803
804         * config/mips/dbxmdebug.h: Remove.
805         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
806
807 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
808
809         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
810         with null pointer and also warn about ordered comparison of zero with
811         pointer if -Wextra.
812
813 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
814
815         * graphite-blocking.c
816         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
817         * graphite-clast-to-gimple.c
818         (clast_to_gcc_expression): Same.
819         (precision_for_value): Same.
820         (precision_for_interval): Same.
821         (gcc_type_for_interval): Same.
822         (graphite_create_new_guard): Same.
823         (compute_bounds_for_level): Same.
824         (graphite_create_new_loop_guard): Same.
825         * graphite-interchange.c
826         (build_linearized_memory_access): Same.
827         (pdr_stride_in_loop): Same.
828         (memory_strides_in_loop_1): Same.
829         (memory_strides_in_loop): Same.
830         (extend_scattering): Same.
831         (psct_scattering_dim_for_loop_depth): Same.
832         (pbb_number_of_iterations): Same.
833         * graphite-poly.h
834         (debug_iteration_domains): Same.
835         * graphite-ppl.c
836         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
837         (ppl_set_inhomogeneous_gmp): Same.
838         (ppl_strip_loop): Same.
839         (ppl_lexico_compare_linear_expressions): Same.
840         (ppl_read_polyhedron_matrix): Same.
841         (ppl_max_for_le_pointset): Same.
842         * graphite-ppl.h
843         (ppl_read_polyhedron_matrix): Same.
844         (tree_int_to_gmp): Same.
845         (gmp_cst_to_tree): Same.
846         (ppl_set_inhomogeneous): Same.
847         (ppl_set_inhomogeneous_tree): Same.
848         (ppl_set_coef): Same.
849         (ppl_set_coef_tree): Same.
850         * graphite-sese-to-poly.c
851         (build_pbb_scattering_polyhedrons): Same.
852         (build_scop_scattering): Same.
853         (scan_tree_for_params_right_scev): Same.
854         (scan_tree_for_params): Same.
855         (find_params_in_bb): Same.
856         (find_scop_parameters): Same.
857         (add_upper_bounds_from_estimated_nit): Same.
858         (build_loop_iteration_domains): Same.
859         (add_condition_to_domain): Same.
860         (pdr_add_memory_accesses): Same.
861
862 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
863
864         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
865         CLooG's value_* macros to their respective mpz_* counterparts.
866         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
867         (graphite_create_new_loop_guard): Same.
868         * graphite-interchange.c (build_linearized_memory_access): Same.
869         (pdr_stride_in_loop): Same.
870         (memory_strides_in_loop_1): Same.
871         (1st_interchange_profitable_p): Same.
872         * graphite-poly.c (extend_scattering): Same.
873         (psct_scattering_dim_for_loop_depth): Same.
874         (pbb_number_of_iterations): Same.
875         (pbb_number_of_iterations_at_time): Same.
876         * graphite-poly.h (new_1st_loop): Same.
877         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
878         (oppose_constraint): Same.
879         (insert_constraint_into_matrix): Same.
880         (ppl_set_inhomogeneous_gmp): Same.
881         (ppl_set_coef_gmp): Same.
882         (ppl_strip_loop): Same.
883         (ppl_lexico_compare_linear_expressions): Same.
884         (ppl_max_for_le_pointset): Same.
885         (ppl_min_for_le_pointset): Same.
886         (ppl_build_realtion): Same.
887         * graphite-ppl.h (gmp_cst_to_tree): Same.
888         (ppl_set_inhomogeneous): Same.
889         (ppl_set_inhomogeneous_tree): Same.
890         (ppl_set_coef): Same.
891         (ppl_set_coef_tree): Same.
892         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
893         (build_scop_scattering): Same.
894         (add_value_to_dim): Same.
895         (scan_tree_for_params_right_scev): Same.
896         (scan_tree_for_params_int): Same.
897         (scan_tree_for_params): Same.
898         (find_params_in_bb): Same.
899         (find_scop_parameters): Same.
900         (add_upper_bounds_from_estimated_nit): Same.
901         (build_loop_iteration_domains): Same.
902         (create_linear_expr_from_tree): Same.
903         (add_condition_to_domain): Same.
904         (pdr_add_memory_accesses): Same.
905
906 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
907             Jason Merrill  <jason@redhat.com>
908
909         * c-common.c (c_common_reswords): Add nullptr.
910         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
911         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
912         (gen_type_die_with_usage): Likewise.
913         * dbxout.c (dbxout_type): Likewise.
914         * sdbout.c (plain_type_1): Likewise.
915
916 2010-05-06  Jason Merrill  <jason@redhat.com>
917
918         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
919         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
920         ret appropriately.
921         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
922
923         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
924         stripping WITH_SIZE_EXPR.
925         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
926         change.
927
928 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
929
930         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
931         list of obsolete configurations.
932         Disabled check for obsolete configurations.
933         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
934         Removed support for previous versions.
935         * config/mips/iris.h: Removed.
936         * config/mips/iris5.h: Removed.
937         * config/mips/iris6.h: Merged old iris.h contents.
938         (TARGET_IRIX): Removed.
939         (DRIVER_SELF_SPECS): Removed mabi=32.
940         (IDENT_ASM_OP): Removed undef.
941         (STARTFILE_SPEC): Removed mabi=32.
942         (ENDFILE_SPEC): Likewise.
943         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
944         (MACHINE_TYPE): Update for IRIX 6.5.
945         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
946         TARGET_IRIX by TARGET_IRIX6.
947         (mips_file_start): Likewise.
948         (mips_output_external): Remove IRIX 5/6 O32 support.
949         (mips_output_function_prologue): Likewise.
950         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
951         TARGET_IRIX6.
952         (TARGET_CPU_CPP_BUILTINS): Likewise.
953         (TARGET_IRIX): Removed.
954         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
955         (MULTILIB_DIRNAMES): Removed 32.
956         (MULTILIB_OSDIRNAMES): Removed ../lib.
957         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
958         (Specific, mips-sgi-irix5): Document removal.
959         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
960         Remove references to older IRIX 6 releases and the O32 ABI.
961
962 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
963
964         PR bootstrap/43994
965         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
966         instead of DF_REF_REAL_REG.
967
968 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
969
970         PR target/43888
971         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
972         handling to still return true for x64 targets.
973
974 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
975
976         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
977
978 2010-05-06  Jan Hubicka  <jh@suse.cz>
979
980         PR tree-optimization/43791
981         * ipa-inline.c (update_caller_keys): Remove bogus
982         disregard_inline_limits check.
983
984 2010-05-06  Michael Matz  <matz@suse.de>
985
986         PR tree-optimization/43984
987         * tree-ssa-pre.c (inserted_phi_names): Remove.
988         (inserted_exprs): Change to bitmap.
989         (create_expression_by_pieces): Set bits, don't append to vector.
990         (insert_into_preds_of_block): Don't handle inserted_phi_names.
991         (eliminate): Don't look at inserted_phi_names, remove deleted
992         insns from inserted_exprs.
993         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
994         (init_pre, fini_pre): Allocate and free bitmaps.
995         (execute_pre): Insert insns on edges before elimination.
996
997 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
998
999         * tree.c (initializer_zerop): Handle STRING_CST.
1000
1001 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1002
1003         PR 40989
1004         * doc/invoke.texi (Wimplicit): Document as C only.
1005         * opts.c (common_handle_option): Add argument kind.
1006         (handle_option): Rename as read_cmdline_option. Factor out code to...
1007         (handle_option): ... here. New.
1008         (handle_options): Rename as read_cmdline_options.
1009         (decode_options): Update call.
1010         (set_option): Use option index instead of option pointer. Classify
1011         diagnostics correctly.
1012         (enable_warning_as_error): Call handle_option.
1013         * opts.h (set_option): Update declaration.
1014         (handle_option): Declare.
1015         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1016         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1017         * c-opts.c (set_Wimplicit): Delete.
1018         (c_family_lang_mask): New static constant.
1019         (c_common_handle_option): Add argument kind. Use handle_option
1020         instead of set_Wimplicit.
1021         (c_common_post_options): warn_implicit and warn_implicit_int
1022         are disabled by default.
1023         * c-common.c (warn_implicit): Do not define here.
1024         * c-common.h (warn_implicit): Do not declare here.
1025         (c_common_handle_option): Update declaration.
1026         * lto-opts.c (lto_reissue_options): Update call to set_option.
1027
1028 2010-05-06  Richard Guenther  <rguenther@suse.de>
1029
1030         PR tree-optimization/43571
1031         * domwalk.c (walk_dominator_tree): Walk the dominator
1032         sons in more optimal order.
1033
1034 2010-05-06  Richard Guenther  <rguenther@suse.de>
1035
1036         PR tree-optimization/43934
1037         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1038         (stmt_cost): Likewise.
1039         (extract_true_false_args_from_phi): New helper.
1040         (determine_max_movement): For PHI nodes verify we can hoist them
1041         and compute their cost.
1042         (determine_invariantness_stmt): Handle PHI nodes.
1043         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1044         if-converted form using COND_EXPRs.
1045         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1046         (tree_ssa_lim): Likewise.
1047         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1048         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1049
1050 2010-05-06  Richard Guenther  <rguenther@suse.de>
1051
1052         PR tree-optimization/43987
1053         * tree-ssa-structalias.c (could_have_pointers): For possibly
1054         address-taken variables force pointers to be recorded.
1055         (create_variable_info_for_1): Likewise.
1056         (push_fields_onto_fieldstack): Pass in wheter all fields
1057         must have pointers.
1058         (find_func_aliases): Query types instead of vars whether
1059         they contain pointers where appropriate.
1060
1061 2010-05-06  Jan Hubicka  <jh@suse.cz>
1062
1063         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1064         (record_reference, mark_address, mark_load, mark_store): Record
1065         references.
1066         (record_references_in_initializer): Update call of record_references.
1067         (rebuild_cgraph_edges): Remove all references before rebuiding.
1068         * cgraph.c (cgraph_create_node): Clear ref list.
1069         (cgraph_remove_node): Remove references.
1070         (dump_cgraph_node): Dump references.
1071         (cgraph_clone_node): Clone references.
1072         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1073         (struct cgraph_node, varpool_node): Add ref_lst.
1074         * ipa-ref.c: New file.
1075         * ipa-ref.h: New file.
1076         * ipa-ref-inline.h: New file.
1077         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1078         (referenced_from_other_partition_p): New function.
1079         (lto_output_varpool_node): Take set arugment; call
1080         referenced_from_other_partition.
1081         (lto_output_ref): New.
1082         (add_references): New.
1083         (output_refs): New.
1084         (output_cgraph): Compute boundary based on references; output refs.
1085         (output_varpool): Accept cgraph_node_set argument.
1086         (input_ref): New.
1087         (input_refs): New.
1088         (input_cgraph): Call input_refs.
1089         * lto-section-in.c (lto_section_name): Add refs.
1090         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1091         (ipa-ref.o): New file.
1092         * varpool.c (varpool_node): Clear ipa ref list.
1093         (varpool_remove_node): Remove references.
1094         (dump_varpool_node): Dump references.
1095         (varpool_assemble_decl): Only compile finalized ones.
1096         (varpool_extra_name_alias): Initialize ref list.
1097         * lto-streamer.c (lto-get_section_name): Add .refs section.
1098         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1099         (referenced_from_other_partition_p): Declared.
1100
1101 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1102
1103         PR tree-optimization/43901
1104         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1105         type is not NULL if it's transformation phase, and return
1106         FALSE if it's analysis.
1107         (vectorizable_conversion, vectorizable_operation,
1108         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1109
1110 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1111
1112         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1113         Delete.
1114         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1115         New define.
1116         * config/mips/mips-protos.h
1117         (mips_small_register_classes_for_mode_p): Delete prototype.
1118
1119 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1120
1121         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1122         * config/arm/arm.c (multiple_operation_profitable_p,
1123         compute_offset_order): New static functions.
1124         (load_multiple_sequence, store_multiple_sequence): Use them.
1125         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1126         memory offsets, not register numbers.
1127         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1128
1129 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1130
1131         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1132         (get_pending_sizes, put_pending_size, put_pending_sizes):
1133         Update the uses of pending_sizes.
1134         * c-decl.c (store_parm_decls): Likewise.
1135         * c-tree.h (struct c_arg_info): Likewise.
1136         * tree.h: Update the prototype for get_pending_sizes and
1137         put_pending_sizes.
1138
1139 2010-05-05  Jason Merrill  <jason@redhat.com>
1140
1141         PR debug/43370
1142         * c-common.c (handle_aligned_attribute): Respect
1143         ATTR_FLAG_TYPE_IN_PLACE.
1144
1145         PR testsuite/43758
1146         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1147         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1148         (TARGET_INITIALIZER): Use it.
1149         * c-common.c (attribute_takes_identifier_p): Call it.
1150         * c-common.h: Update prototype.
1151         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1152         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1153
1154 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1155
1156         PR debug/43950
1157         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1158         DW_ID_down_case for Fortran compilation units.
1159
1160 2010-05-05  Jan Hubicka  <jh@suse.cz>
1161
1162         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1163         handle aliases.
1164
1165 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1166
1167         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1168         a variable-sized RESULT_DECL.
1169
1170 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1171
1172         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1173
1174 2010-05-05  Jason Merrill  <jason@redhat.com>
1175
1176         PR c++/43787
1177         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1178         returns GS_OK.
1179         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1180
1181 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1182             Jakub Jelinek  <jakub@redhat.com>
1183
1184         PR debug/43478
1185         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1186         (dead_debug_init, dead_debug_finish): New functions.
1187         (dead_debug_add, dead_debug_insert_before): Likewise.
1188         (df_note_bb_compute): Initialize a dead_debug object, add dead
1189         debug uses to it, insert debug bind insns before death insns,
1190         reset debug insns that refer to pending uses at the end.
1191         * rtl.h (make_debug_expr_from_rtl): New prototype.
1192         * varasm.c (make_debug_expr_from_rtl): New function.
1193
1194 2010-05-05  Jan Hubicka  <jh@suse.cz>
1195
1196         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1197         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1198         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1199         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1200         lto_varpool_encoder_encode_initializer_p,
1201         lto_set_varpool_encoder_encode_initializer): New functions.
1202         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1203         call output_varpool.
1204         (input_varpool_node): Do not always set analyzed.
1205         (input_cgraph_1): Return vector of cgraph nodes.
1206         (input_varpool_1): Return vector of varpools.
1207         (input_cgraph): Free the vectors.
1208         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1209         output only initializers needed.
1210         (lto_output): Only call output_cgraph.
1211         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1212         * lto-section-out.c (lto_new_out_decl_state): Initialize
1213         state->varpool_node_encoder.
1214         * lto-streamer.h (lto_varpool_encoder_d): New.
1215         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1216         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1217         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1218         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1219         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1220         Declare.
1221         (output_varpool, input_varpool): Remove declarations.
1222
1223 2010-05-05  Jan Hubicka  <jh@suse.cz>
1224
1225         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1226         with body can prevail.
1227
1228 2010-05-05  Jan Hubicka  <jh@suse.cz>
1229
1230         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1231         size.
1232
1233 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1234
1235         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1236
1237         * gengtype.h (erro_at_line): Constify pos argument.
1238
1239         * gengtype.c: Include hashtab.h.
1240         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1241         (error_at_line): Constify pos argument.
1242         (do_typedef): Initialize p->opt field.
1243         (get_file_gtfilename): Fix comment typo.
1244         (struct walk_type_data): Constify line field.
1245         (get_output_file_for_structure): New function.
1246         (write_local_func_for_structure): Constify orig_s argument.
1247         Use get_output_file_for_structure.
1248         (write_func_for_structure): Use get_output_file_for_structure.
1249         (INDENT): New define.
1250         (dump_pair, dump_type, dump_type_list, dump_typekind)
1251         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1252         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1253         functions.
1254         (seen_types): New variable.
1255         (main): New variable do_dump.  Process "-d" command line option.
1256         Call dump_everything if dump requested.
1257
1258 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1259
1260         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1261         in a temporary instead of invoking the macro multiple times.
1262         (track_expr_p): Likewise.
1263
1264 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1265
1266         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1267         per new semantics.
1268         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1269         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1270         conditions for printing notes.
1271         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1272         true, update documentation.
1273         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1274
1275 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1276
1277         PR c/43981
1278         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1279         on dimen.
1280
1281 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1282
1283         PR target/43799
1284         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1285         (*sse_prologue_save_insn1): Likewise.
1286         (SSE prologue save splitter): Likewise.
1287
1288 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1289
1290         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1291         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1292         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1293         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1294         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1295         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1296         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1297
1298 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1299
1300         * tree-sra.c (build_access_from_expr_1): The first parameter type
1301         changed to simple tree.
1302         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1303         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1304         renamed as well.
1305         (build_accesses_from_assign): Removed all parameters except for a
1306         simple gimple statement.  Now returns a simple bool.
1307         (scan_function): All non-analysis parts moved to separate functions
1308         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1309         parameters and updated both callers.
1310         (sra_modify_expr): Removed parameter data.
1311         (sra_modify_function_body): New function.
1312         (perform_intra_sra): Call sra_modify_function_body to modify the
1313         function body.
1314         (replace_removed_params_ssa_names): Parameter data changed into
1315         adjustments vector.
1316         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1317         changed the parameter dont_convert to convert with the opposite
1318         meaning.
1319         (sra_ipa_modify_assign): Parameter data changed into adjustments
1320         vector, return value changed to bool.
1321         (ipa_sra_modify_function_body): New function.
1322         (sra_ipa_reset_debug_stmts): Updated a comment.
1323         (modify_function): Use ipa_sra_modify_function_body to modify function
1324         body.
1325
1326 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1327
1328         PR middle-end/43671
1329         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1330         (canon_true_dependence): Likewise.
1331         (write_dependence_p): Likewise.
1332
1333 2010-05-04  Jan Hubicka  <jh@suse.cz>
1334
1335         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1336         * cgraphbuild.c: Include ipa-utils.h
1337         (record_reference_ctx): New struct.
1338         (record_reference): Simplify to work on initializers; not statements.
1339         (mark_address, mark_load, mark_store): New.
1340         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1341         walk PHI nodes too.
1342         (record_references_in_initializer): Update use of record_reference.
1343         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1344         walk PHI nodes too.
1345
1346 2010-05-04  Jan Hubicka  <jh@suse.cz>
1347
1348         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1349         node will be removed anyway.
1350         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1351         relink aliases of node into prevailing node.
1352         * varpool.c (varpool_remove_node): Remove aliases properly;
1353         when removing node, remove all its aliases too; remove DECL_INITIAL
1354         of removed node; ggc_free the varpool node.
1355
1356 2010-05-04  Richard Guenther  <rguenther@suse.de>
1357
1358         PR tree-optimization/43879
1359         * tree-ssa-structalias.c (alias_get_name): Use
1360         DECL_ASSEMBLER_NAME if available.
1361         (create_function_info_for): Return the varinfo node.
1362         (ipa_pta_execute): Associate same-body aliases and extra names
1363         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1364
1365 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1366
1367         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1368
1369 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1370
1371         PR bootstrap/43964
1372         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1373         only if HONOR_REG_ALLOC_ORDER is not defined.
1374
1375 2010-05-04  Richard Guenther  <rguenther@suse.de>
1376
1377         PR tree-optimization/43949
1378         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1379         TRUNC_MOD_EXPR.
1380
1381 2010-04-26  Jason Merrill  <jason@redhat.com>
1382
1383         * c.opt (-fstrict-enums): New.
1384         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1385
1386 2010-05-03  David Ung <davidu@mips.com>
1387             James E. Wilson  <wilson@codesourcery.com>
1388
1389         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1390         emit the trap instruction before the divide for TUNE_74K.
1391
1392 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1393
1394         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1395         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1396         based on the above, for new target hook.
1397
1398         * hooks.c (hook_bool_mode_true): New generic hook.
1399         * hooks.h (hook_bool_mode_true): Add prototype.
1400
1401         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1402         target hook.
1403         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1404         target hook, set to hook_bool_mode_false.
1405         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1406         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1407         with targetm.small_register_classes_for_mode_p.
1408         (find_reusable_reload): Likewise.
1409         (combine_reloads): Likewise.
1410         * reload1.c (reload_as_needed): Likewise.
1411         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1412         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1413         dead_or_predicable): Likewise.
1414         * regmove.c (optimize_reg_copy_1): Likewise.
1415         * calls.c (prepare_call_address): Likewise.
1416         (precompute_register_parameters): Likewise.
1417
1418         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1419         hook definition.
1420         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1421         implementation of the hook that considers all register classes
1422         small except for SH64.
1423         (sh_override_options): Use the new hook.
1424         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1425         Add prototype.
1426
1427         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1428         hook definition.
1429         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1430         implementation of the hook that considers all register classes
1431         small for THUMB1.
1432         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1433         Add prototype.
1434
1435         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1436         hook definition.
1437         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1438         implementation of the hook that considers all register classes
1439         small for MIPS16.
1440         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1441         Add prototype.
1442
1443         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1444         hook definition.
1445         * config/m32c/m32c.h: Likewise.
1446         * config/pdp11/pdp11.h: Likewise.
1447         * config/avr/avr.h: Likewise.
1448         * config/xtensa/xtensa.h: Likewise.
1449         * config/m68hc11/m68hc11.h: Likewise.
1450         * config/mn10300/mn10300.h: Likewise.
1451         * config/mcore/mcore.h: Likewise.
1452         * config/h8300/h8300.h: Likewise.
1453         * config/bfin/bfin.h: Likewise.
1454
1455         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1456         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1457
1458 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1459
1460         * double-int.h (tree_to_double_int): Remove macro.
1461         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1462         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1463         (tree_to_double_int): New function.
1464         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1465         Move ...
1466         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1467
1468 2010-05-03  Richard Guenther  <rguenther@suse.de>
1469
1470         PR tree-optimization/43971
1471         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1472         constraints in the !flag_delete_null_pointer_checks case.
1473
1474 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1475
1476         PR debug/43972
1477         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1478         result mode matches original rtl mode.
1479
1480 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1481
1482         PR target/43888
1483         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1484
1485 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1486
1487         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1488         when processing flag options.
1489
1490 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1491
1492         * gcov-iov.c (main): Change format string placeholder
1493         from %#08x to 0x%08x.
1494         * genchecksum.c (dosum): Change format string placeholder
1495         from %#02x to 0x%02x.
1496
1497 2010-05-02  Richard Guenther  <rguenther@suse.de>
1498
1499         PR tree-optimization/43879
1500         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1501
1502 2010-05-02  Bruno Haible  <bruno@clisp.org>
1503
1504         * doc/extend.texi (Function Attributes): Fix a typo.
1505
1506 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1507
1508         Revert:
1509         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1510         placeholder from 0x%x to %#x.
1511         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1512         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1513         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1514         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1515         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1516         * config/i386/i386.c (ix86_target_string): Ditto.
1517         * config/i386/i386.c (output_pic_addr_const): Ditto.
1518         (print_operand): Ditto.
1519
1520 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1521
1522         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1523         placeholder from 0x%x to %#x.
1524         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1525         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1526         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1527         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1528         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1529         * optc-gen.awk: Ditto.
1530         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1531         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1532         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1533         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1534
1535 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1536
1537         * target.h (struct calls): Add function_value_regno_p field.
1538         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1539         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1540         * targhooks.c (default_function_value_regno_p): New function.
1541         * targhooks.h (default_function_value_regno_p): Declare function.
1542         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1543         * builtins.c. (apply_result_size): (Ditto.).
1544         * combine.c. (likely_spilled_retval_p): (Ditto.).
1545         * mode-switching.c. Include 'target.h'.
1546         (create_pre_exit): Use function_value_regno_p hook.
1547         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1548         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1549         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1550
1551         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1552         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1553         (ix86_function_value_regno_p): Declare as static, change argument
1554         type to const unsigned int.
1555         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1556
1557 2010-05-01  Richard Guenther  <rguenther@suse.de>
1558
1559         PR tree-optimization/43949
1560         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1561         types.
1562         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1563
1564 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1565
1566         * rtl.h (CONST_DOUBLE_P): Define.
1567         (rtx_to_double_int): Declare.
1568         * emit-rtl.c (rtx_to_double_int): New function.
1569         * dwarf2out.c (insert_double): New function.
1570         (loc_descriptor, add_const_value_attribute): Clean up, use
1571         rtx_to_double_int and insert_double functions.
1572
1573 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1574
1575         * doc/extend.texi (Inline): Add missing return keyword to examples.
1576         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1577         "command-line".
1578
1579 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1580
1581         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1582         the variable part of the offset as well.  Use highest_pow2_factor for
1583         all alignment checks.
1584
1585 2010-04-30  Richard Guenther  <rguenther@suse.de>
1586
1587         PR tree-optimization/43879
1588         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1589         can have pointers.
1590
1591 2010-04-30  Jan Hubicka  <jh@suse.cz>
1592
1593         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1594         varpool.
1595         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1596
1597 2010-04-30  Jan Hubicka  <jh@suse.cz>
1598
1599         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1600         New.
1601         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1602         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1603         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1604         cgraph_node_set_needs_ltrans_p): Remove.
1605
1606 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1607
1608         * sdbout.c: Include vec.h, do not include varray.h.
1609         (deferred_global_decls, sdbout_global_decl,
1610         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1611         * toplev.c: Do not include varray.h.
1612         (dump_memory_report): Do not dump VARRAY statistics.
1613         * gengtype.c (open_base_file): Ignore varray.h.
1614         * Makefile.in: Update for abovementioned changes.
1615         Remove all traces of varray.c and varray.h.
1616         * varray.c: Remove file.
1617         * varray.h: Remove file.
1618
1619 2010-04-30  Jan Hubicka  <jh@suse.cz>
1620
1621         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1622         references.
1623
1624 2010-04-30  Jan Hubicka  <jh@suse.cz>
1625
1626         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1627         needed.
1628
1629 2010-04-30  Richard Guenther  <rguenther@suse.de>
1630
1631         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1632         constraints for CONSTRUCTOR.
1633
1634 2010-04-30  Richard Guenther  <rguenther@suse.de>
1635
1636         PR lto/43946
1637         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1638         first after all lowering passes.
1639
1640 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1641
1642         * toplev.c: Include varray.h for statistics dumping.
1643         * tree.h: Do not declare varray_head_tag.
1644         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1645         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1646         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1647         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1648         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1649         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1650         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1651         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1652         include varray.h.
1653         * Makefile.in: Update for abovementioned changes.
1654
1655 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1656
1657         PR debug/43942
1658         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1659
1660 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1661
1662         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1663         Use this function to do machine-specific conversion.
1664         (picochip_legitimize_reload_address): Likewise.
1665         (picochip_legitimate_address_p): Check valid base register only if
1666         strict.
1667         (picochip_check_conditional_copy): Check for modw only if opnd is
1668         register.
1669         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1670         to call the function in c.
1671         * config/picochip/picochip-protos.h
1672         (picochip_legitimize_reload_address): Define.
1673         * config/picochip/picochip.md (supported_compare1): Define.
1674
1675 2010-04-30  Jan Hubicka  <jh@suse.cz>
1676
1677         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1678         (cgraph_global_info): Remove inlined.
1679         (LTO_cgraph_tag_names): Remove.
1680         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1681         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1682         simplify cgraph tags and document.
1683         (lto_output_node): Use only LTO_cgraph_unavail_node and
1684         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1685         for_functions_valid, global info, process and output flags.
1686         (input_overwrite_node): Initialize estimated stack size and
1687         estimated growth.  Do not read flags we no longer store.
1688         (input_node): Likewise do not read info no longer stored.
1689         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1690         flag.
1691
1692 2010-04-30  Richard Guenther  <rguenther@suse.de>
1693
1694         PR tree-optimization/43879
1695         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1696         handle non-zero initializers.
1697
1698 2010-04-30  Richard Guenther  <rguenther@suse.de>
1699
1700         * builtins.c (fold_builtin_1): Delete free (0).
1701
1702 2010-04-29  Jan Hubicka  <jh@suse.cz>
1703
1704         * gengtype.c (open_base_files): Add lto-streamer.h
1705         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1706         (pass_ipa_cp): GGC collect.
1707         * toplev. (compile_file): Do not output symbols.
1708         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1709         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1710         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1711         * lto-section-in.c: Include ggc.h
1712         (lto_new_in_decl_state): Alloc in GGC.
1713         (lto_delete_in_decl_state): Likewise.
1714         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1715         Collect.
1716
1717 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1718
1719         PR target/42895
1720         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1721         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1722         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1723         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1724         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1725         account only if HONOR_REG_ALLOC_ORDER is not defined.
1726         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1727         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1728
1729 2010-04-29  Jon Grant  <04@jguk.org>
1730
1731         * collect2.c (vflag): Change type from int to bool.
1732         (debug): Likewise.
1733         (helpflag): New global bool.
1734         (main): Set vflag and debug with boolean, not integer truth values.
1735         Accept new "--help" option and output usage text if found.
1736         * collect2.h (vflag): Update prototype.
1737         (debug): Likewise.
1738
1739 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1740
1741         PR bootstrap/43936
1742         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1743
1744 2010-04-29  Richard Guenther  <rguenther@suse.de>
1745
1746         PR bootstrap/43935
1747         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1748         with ATTRIBUTE_UNUSED.
1749
1750 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1751
1752         PR target/43921
1753         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1754         INSN_P with NONDEBUG_INSN_P.
1755         (distance_non_agu_define): Likewise.
1756         (distance_agu_use): Likewise.
1757
1758 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1759
1760         From Dominique d'Humieres <dominiq@lps.ens.fr>
1761         PR bootstrap/43858
1762         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1763         test_set.
1764
1765 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1766
1767         * plugin.h (invoke_plugin_callbacks): New inline function.
1768         * plugin.c (flag_plugin_added): New global flag.
1769         (add_new_plugin): Initialize above flag.
1770         (invoke_plugin_callbacks): Rename to ...
1771         (invoke_plugin_callbacks_full): ... this.
1772
1773 2010-04-28  Jan Hubicka  <jh@suse.cz>
1774
1775         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1776         (lto_varpool_replace_node): New.
1777         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1778         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1779         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1780         * cgraph.h (varpool_node_ptr): New type.
1781         (varpool_node_ptr): New vector.
1782         (varpool_node_set_def): New structure.
1783         (varpool_node_set): New type.
1784         (varpool_node_set): New vector.
1785         (varpool_node_set_element_def): New structure.
1786         (varpool_node_set_element, const_varpool_node_set_element): New types.
1787         (varpool_node_set_iterator): New type.
1788         (varpool_node): Add prev pointers, add used_from_other_partition,
1789         in_other_partition.
1790         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1791         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1792         varpool_get_node, varpool_remove_node): Declare.
1793         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1794         varpool_node_set_size): New inlines.
1795         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1796         * tree-pass.h (varpool_node_set_def): Forward declare.
1797         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1798         (ipa_write_optimization_summaries): Update prototype.
1799         * ipa-cp.c (ipcp_write_summary): Update.
1800         * ipa-reference.c (ipa_reference_write_summary): Update.
1801         * lto-cgraph.c (lto_output_varpool_node): New static function.
1802         (output_varpool): New function.
1803         (input_varpool_node): New static function.
1804         (input_varpool_1): New function.
1805         (input_cgraph): Input varpool.
1806         * ipa-pure-const.c (pure_const_write_summary): Update.
1807         * lto-streamer-out.c (lto_output): Update, output varpool too.
1808         (write_global_stream): Kill WPA hack.
1809         (produce_asm_for_decls): Update.
1810         (output_alias_pair_p): Handle variables.
1811         (output_unreferenced_globals): Output only needed partition of varpool.
1812         * ipa-inline.c (inline_write_summary): Update.
1813         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1814         cgraph.
1815         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1816         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1817         varpool_node_set_new, varpool_node_set_add,
1818         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1819         debug_varpool_node_set): New functions.
1820         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1821         (execute_one_pass): Process new decls too.
1822         (ipa_write_summaries_2): Pass around vsets.
1823         (ipa_write_summaries_1): Likewise.
1824         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1825         to add.
1826         (ipa_write_optimization_summaries_1): Pass around vsets.
1827         (ipa_write_optimization_summaries): Likewise.
1828         * varpool.c (varpool_get_node): New.
1829         (varpool_node): Update doubly linked lists.
1830         (varpool_remove_node): New.
1831         (dump_varpool_node): More dumping.
1832         (varpool_enqueue_needed_node): Update doubly linked lists.
1833         (decide_is_variable_needed): Kill ltrans hack.
1834         (varpool_finalize_decl): Kill lto hack.
1835         (varpool_assemble_decl): Skip decls in other partitions.
1836         (varpool_assemble_pending_decls): Update doubly linkes lists.
1837         (varpool_empty_needed_queue): Likewise.
1838         (varpool_extra_name_alias): Likewise.
1839         * lto-streamer.c (lto_get_section_name): Add vars section.
1840         * lto-streamer.h (lto_section_type): Update.
1841         (output_varpool, input_varpool): Declare.
1842
1843 2010-04-28  Mike Stump  <mikestump@comcast.net>
1844
1845         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1846
1847 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1848
1849         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1850         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1851         (lto_input_ts_type_tree_pointers): Likewise.
1852         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1853         (lto_output_ts_type_tree_pointers): Likewise.
1854
1855 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1856
1857         Uniquization of constants at the Tree level
1858         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1859         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1860         bit to the end.
1861         (tree_output_constant_def): Declare.
1862         * gimplify.c (gimplify_init_constructor): When using block copy, first
1863         uniquize the constant constructor on the RHS.
1864         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1865         DECL_IN_CONSTANT_POOL flag.
1866         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1867         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1868         constant pool.
1869         (assemble_variable): Deal with symbols belonging to the tree constant
1870         pool.
1871         (get_constant_section): Add ALIGN parameter and simplify.
1872         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1873         (assemble_constant_contents): Use the expression of the VAR_DECL.
1874         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1875         (tree_output_constant_def): New global function.
1876         (mark_constant): Use the expression of the VAR_DECL.
1877         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1878         its expression.
1879         (output_object_block): Likewise and assemble the expression.
1880
1881 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1882
1883         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1884         hash_tree, eq_tree): New tree hash table.
1885         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1886         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1887         lto_orig_address_remove): Reimplement.
1888
1889 2010-04-28  Xinliang David Li  <davidxl@google.com>
1890
1891         PR c/42643
1892         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1893         (compute_uninit_opnds_pos): New function.
1894         (is_non_loop_exit_postdominating): New function.
1895         (compute_control_dep_chain): New function.
1896         (find_pdom): New function.
1897         (convert_control_dep_chain_into_preds): New function.
1898         (find_predicates): New function.
1899         (find_control_equiv_block): New function.
1900         (collect_phi_def_edges): New function.
1901         (find_def_preds): New function.
1902         (find_dom): New function.
1903         (dump_predicates): New function.
1904         (get_cmp_code): New function.
1905         (is_value_included_in): New function.
1906         (find_matching_predicate_in_rest_chains): New function.
1907         (use_pred_not_overlap_with_undef_path_pred): New function.
1908         (is_use_properly_guarded): New function.
1909         (normalize_cond_1): New function.
1910         (is_and_or_or): New function.
1911         (normalize_cond): New function.
1912         (is_gcond_subset_of): New function.
1913         (is_subset_of_any): New function.
1914         (is_or_set_subset_of): New function.
1915         (is_and_set_subset_of): New function.
1916         (is_norm_cond_subset_of): New function.
1917         (is_pred_expr_subset_of): New function.
1918         (is_pred_chain_subset_of): New function.
1919         (is_included_in): New function.
1920         (is_superset_of): New function.
1921         (find_uninit_use): New function.
1922         (warn_uninitialized_phi): New function.
1923         (compute_possibly_undefined_names): New function.
1924         (ssa_undefined_value_p): New function.
1925         (execute_late_warn_uninitialized): New function.
1926         * tree-ssa.c (ssa_undefined_value_p): Removed.
1927         (warn_uninit): Changed to extern.
1928         (warn_uninitialized_phi): Removed.
1929         (warn_uninitialized_vars): Changed to extern.
1930         (execute_late_warn_uninitialized): Removed
1931         * tree-flow.h: Add new prototypes.
1932         * timevar.def: Add new time variable.
1933         * Makefile.in: Add new build file.
1934
1935 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1936
1937         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1938         type if available.
1939
1940 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1941
1942         PR target/22224
1943         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1944
1945 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1946
1947         * cgraph.h (struct cgraph_node): New field indirect_calls.
1948         (struct cgraph_indirect_call_info): New type.
1949         (struct cgraph_edge): Removed field indirect_call. New fields
1950         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1951         (cgraph_create_indirect_edge): Declare.
1952         (cgraph_make_edge_direct): Likewise.
1953         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1954         * ipa-prop.h (struct ipa_param_call_note): Removed.
1955         (struct ipa_node_params): Removed field param_calls.
1956         (ipa_create_all_structures_for_iinln): Declare.
1957         * cgraph.c: Described indirect edges and uids in initial comment.
1958         (cgraph_add_edge_to_call_site_hash): New function.
1959         (cgraph_edge): Search also among the indirect edges, use
1960         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1961         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1962         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1963         site hash.
1964         (initialize_inline_failed): Assign a reason to indirect edges.
1965         (cgraph_create_edge_1): New function.
1966         (cgraph_create_edge): Moved some functionality to
1967         cgraph_create_edge_1.
1968         (cgraph_create_indirect_edge): New function.
1969         (cgraph_edge_remove_callee): Add an assert checking for
1970         non-indirectness.
1971         (cgraph_edge_remove_caller): Special-case indirect edges.
1972         (cgraph_remove_edge): Likewise.
1973         (cgraph_set_edge_callee): New function.
1974         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1975         (cgraph_make_edge_direct): New function.
1976         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1977         the declaration of the call statement matches.
1978         (cgraph_node_remove_callees): Special-case indirect edges.
1979         (cgraph_clone_edge): Likewise.
1980         (cgraph_clone_node): Clone also the indirect edges.
1981         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1982         indirect_call, dump count of indirect_calls edges.
1983         * ipa-prop.c (iinlining_processed_edges): New variable.
1984         (ipa_note_param_call): Create indirect edges instead of
1985         creating notes.  New parameter node.
1986         (ipa_analyze_call_uses): New parameter node, pass it on to
1987         ipa_note_param_call.
1988         (ipa_analyze_stmt_uses): Likewise.
1989         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1990         (print_edge_addition_message): Work on edges rather than on notes.
1991         (update_call_notes_after_inlining): Likewise, renamed to
1992         update_indirect_edges_after_inlining.
1993         (ipa_create_all_structures_for_iinln): New function.
1994         (ipa_free_node_params_substructures): Do not free notes.
1995         (ipa_edge_duplication_hook): Propagate bits within
1996         iinlining_processed_edges bitmap.
1997         (ipa_node_duplication_hook): Do not duplicate notes.
1998         (free_all_ipa_structures_after_ipa_cp): Renamed to
1999         ipa_free_all_structures_after_ipa_cp.
2000         (free_all_ipa_structures_after_iinln): Renamed to
2001         ipa_free_all_structures_after_iinln.
2002         (ipa_write_param_call_note): Removed.
2003         (ipa_read_param_call_note): Removed.
2004         (ipa_write_indirect_edge_info): New function.
2005         (ipa_read_indirect_edge_info): Likewise.
2006         (ipa_write_node_info): Do not stream notes, do stream information
2007         in indirect edges.
2008         (ipa_read_node_info): Likewise.
2009         (lto_ipa_fixup_call_notes): Removed.
2010         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2011         * ipa-inline.c (pass_ipa_inline): Likewise.
2012         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2013         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2014         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2015         is_gimple_call.
2016         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2017         edges.
2018         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2019         (output_cgraph): Stream also indirect edges.
2020         (lto_output_edge): Added capability to stream indirect edges.
2021         (input_edge): Likewise.
2022         (input_cgraph_1): Likewise.
2023         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2024         of indirect edges.
2025
2026 2010-04-28  Richard Guenther  <rguenther@suse.de>
2027
2028         PR tree-optimization/43879
2029         PR tree-optimization/43909
2030         * tree-ssa-structalias.c (struct variable_info): Add
2031         only_restrict_pointers flag.
2032         (new_var_info): Initialize it.  Increment stats.total_vars here.
2033         (create_function_info_for): Do not increment stats.total_vars here.
2034         (get_function_part_constraint): Fix build with C++.
2035         (insert_into_field_list): Remove.
2036         (push_fields_onto_fieldstack): Properly merge fields.
2037         (create_variable_info_for): Split and simplify.
2038         (create_variable_info_for_1): New piece.
2039         (intra_create_variable_infos): Properly make restrict constraints
2040         from parameters.
2041
2042 2010-04-28  Richard Guenther  <rguenther@suse.de>
2043
2044         PR c++/43880
2045         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2046
2047 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2048             Jan Hubicka <hubicka@ucw.cz>
2049
2050         * doc/invoke.texi (-Wsuggest-attribute=const,
2051         -Wsuggest-attribute=pure): Document.
2052         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2053         (function_always_visible_to_compiler_p,
2054         suggest_attribute, warn_function_pure, warn_function_const):
2055         New functions.
2056         (check_call): Improve debug info.
2057         (analyze_function): Do not check availability.
2058         (add_new_function): Check availability.
2059         (propagate): Output warnings.
2060         (skip_function_for_local_pure_const): New function.
2061         (local_pure_const): Use it; output warnings.
2062         * common.opt (Wsuggest-attribute=const,
2063         Wsuggest-attribute=pure): New.
2064
2065 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2066
2067         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2068         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2069         or DW_CFA_def_cfa_offset{,_sf}.
2070
2071 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2072
2073         * tree.h: Fix truncated long macros.
2074
2075 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2076
2077         * collect2.c (TARGET_64BIT): Redefine to target's default.
2078         * tlink.c: Likewise.
2079         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2080         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2081         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2082         for underscoring __USER_LABEL_PREFIX__.
2083         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2084         (SUB_LINK_ENTRY32): New.
2085         (SUB_LINK_ENTRY64): New.
2086         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2087         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2088         (SUB_LINK_ENTRY64): New.
2089         (SUB_LINK_ENTRY): New.
2090         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2091         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2092         x64 target is choosen.
2093         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2094         * configure: Regenerated.
2095         * configure.ac (leading-mingw64-underscores): Option added.
2096
2097 2010-04-27  Jan Hubicka  <jh@suse.cz>
2098
2099         * doc/invoke.texi (-fipa-profile): Document.
2100         * opts.c (decode_options): Enable ipa-profile at -O1.
2101         * timevar.def (TV_IPA_PROFILE): Define.
2102         * common.opt (fipa-profile): Add.
2103         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2104         flag for clones.
2105         (cgraph_propagate_frequency): Handle only local ones.
2106         * tree-pass.h (pass_ipa_profile): Declare.
2107         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2108         (pass_ipa_profile): Use TV_IPA_PROFILE.
2109         * ipa.c (ipa_profile): New function.
2110         (gate_ipa_profile): Likewise.
2111         (pass_ipa_profile): New global variable.
2112         * passes.c (pass_ipa_profile): New.
2113
2114 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2115
2116         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2117
2118 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2119
2120         PR middle-end/43812
2121         * ipa.c (dissolve_same_comdat_group_list): New function.
2122         (function_and_variable_visibility): Call
2123         dissolve_same_comdat_group_list when comdat group contains external or
2124         newly local nodes.
2125         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2126         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2127
2128 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2129
2130         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2131         (const_hash_1) <VECTOR_CST>: New case.
2132         (compare_constant) <VECTOR_CST>: Likewise.
2133         <ADDR_EXPR>: Deal with LABEL_REFs.
2134         (copy_constant) <VECTOR_CST>: New case.
2135
2136 2010-04-27  Jan Hubicka  <jh@suse.cz>
2137
2138         * cgraph.c (cgraph_propagate_frequency): New function.
2139         * cgraph.h (cgraph_propagate_frequency): Declare.
2140         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2141         cgraph_propagate_frequency.
2142
2143 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2144
2145         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2146
2147 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2148
2149         PR target/40657
2150         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2151         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2152         here to determine which regs to push and how much stack to reserve.
2153
2154 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2155
2156         * doc/gimple.texi (gimple_statement_with_ops): Remove
2157         addresses_taken field.
2158         (gimple_statement_with_memory_ops): Likewise.
2159
2160 2010-04-27  Jan Hubicka  <jh@suse.cz>
2161
2162         * tree-inline.c (eni_inlining_weights): Remove.
2163         (estimate_num_insns): Special case more builtins.
2164
2165 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2166
2167         PR c/32207
2168         * c-typeck.c (build_binary_op): Move forward check for comparison
2169         pointer with null pointer constant and adjust the diagnostic message.
2170
2171 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2172
2173         PR lto/42776
2174         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2175         binutils supports extended .section directive needed by LTO, or
2176         warn if older binutils found.
2177         (LTO_BINARY_READER): New AC_SUBST'd variable.
2178         (LTO_USE_LIBELF): Likewise.
2179         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2180         variable.
2181         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2182         (LTO_USE_LIBELF): Likewise.
2183         * configure: Regenerate.
2184
2185         * collect2.c (is_elf): Rename from this ...
2186         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2187          object files in addition to ELF-formatted ones.
2188         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2189         symbol to be prefixed or not by an extra underscore.
2190
2191         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2192         * config/i386/winnt.c: Also #include lto-streamer.h
2193         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2194         LTO named sections.
2195         (i386_pe_asm_output_aligned_decl_common): Add comment.
2196         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2197
2198 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2199
2200         PR target/43889
2201         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2202         Add missing earlyclobber for second alternative.
2203
2204 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2205
2206         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2207         bits for artificial defs at the top of the block.
2208         * fwprop.c (single_def_use_enter_block): Don't call it.
2209
2210 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2211
2212         PR 43715
2213         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2214         instead of "$gcc_cv_objdump -T".
2215         Use "-undefined dynamic_lookup" on darwin.
2216         * gcc/configure: Regenerate.
2217
2218 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2219
2220         PR c/43893
2221         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2222
2223 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2224
2225         * c-parser.c (struct c_token): Move location field up.
2226         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2227         (struct c_declspecs): Convert typespec_word, storage_class, and
2228         default_int_p into bitfields.
2229         (struct c_declarator): Move loc field up.
2230
2231 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2232
2233         * cfgloop.h (struct loop): Move can_be_parallel field up.
2234         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2235         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2236         down.
2237         (struct iv_cand): Convert pos field into a bitfield.
2238         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2239         field up.
2240         (struct _stmt_vec_info): Shuffle fields for better packing.
2241
2242 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2243
2244         * varasm.c (IN_NAMED_SECTION): Remove guard.
2245         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2246         (IN_NAMED_SECTION_P): ...this.
2247         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2248         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2249
2250 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2251
2252         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2253         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2254         of shadowing it.  Fix comments.
2255
2256 2010-04-26  Jan Hubicka  <jh@suse.cz>
2257
2258         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2259         (cgraph_clone_node): Copy function frequency.
2260         * cgraph.h (node_frequency): New enum
2261         (struct cgraph_node): Add.
2262         * final.c (rest_of_clean_state): Update.
2263         * lto-cgraph.c (lto_output_node): Output node frequency.
2264         (input_overwrite_node): Input node frequency.
2265         * tre-ssa-loop-ivopts (computation_cost): Update.
2266         * lto-streamer-out.c (output_function): Do not output function
2267         frequency.
2268         * predict.c (maybe_hot_frequency_p): Update and handle functions
2269         executed once.
2270         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2271         attribute lookup.
2272         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2273         (compute_function_frequency): Set noreturn functions to be executed
2274         once.
2275         (choose_function_section): Update.
2276         * lto-streamer-in.c (input_function): Do not input function frequency.
2277         * function.c (allocate_struct_function): Do not initialize function
2278         frequency.
2279         * function.h (function_frequency): Remove.
2280         (struct function): Remove function frequency.
2281         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2282         (try_update): Update.
2283         * tree-inline.c (initialize_cfun): Do not update function frequency.
2284         * passes.c (pass_init_dump_file): Update.
2285         * i386.c (ix86_compute_frame_layout): Update.
2286         (ix86_pad_returns): Update.
2287
2288 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2289
2290         PR tree-optimization/43833
2291         * tree-vrp.c (range_int_cst_p): New.
2292         (range_int_cst_singleton_p): New.
2293         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2294         when both operands are constants.  Use range_int_cst_p in
2295         BIT_IOR_EXPR case.
2296
2297 2010-04-26  Jan Hubicka  <jh@suse.cz>
2298
2299         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2300
2301 2010-04-26  Richard Guenther  <rguenther@suse.de>
2302
2303         PR lto/43080
2304         * gimple.c (gimple_decl_printable_name): Deal gracefully
2305         with a NULL DECL_NAME.
2306
2307 2010-04-26  Richard Guenther  <rguenther@suse.de>
2308
2309         PR lto/42425
2310         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2311         if emitting debug information and it is either a function
2312         or a namespace decl.
2313
2314 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2315
2316         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2317         determine if the statement is vectorizable, and a macro to access it.
2318         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2319         Skip statements that can't be vectorized. If the analysis fails,
2320         mark the statement as unvectorizable if vectorizing basic block.
2321         (vect_compute_data_refs_alignment): Likewise.
2322         (vect_verify_datarefs_alignment): Skip statements marked as
2323         unvectorizable. Add print.
2324         (vect_analyze_group_access): Skip statements that can't be
2325         vectorized. If the analysis fails, mark the statement as
2326         unvectorizable if vectorizing basic block.
2327         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2328         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2329         generated stmts for SLP.
2330         (new_stmt_vec_info): Initialize the new field.
2331         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2332         statements marked as unvectorizable.
2333
2334 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2335
2336         * c-common.c (flag_isoc1x): New.
2337         (flag_isoc99): Update comment.
2338         * c-common.h (flag_isoc1x): New.
2339         (flag_isoc99): Update comment.
2340         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2341         __<type>_DECIMAL_DIG__.
2342         * c-opts.c (set_std_c1x): New.
2343         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2344         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2345         * c.opt (-std=c1x, -std=gnu1x): New options.
2346         * doc/cpp.texi: Mention -std=c1x.
2347         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2348         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2349         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2350         * doc/standards.texi: Mention C1X.
2351         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2352         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2353         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2354         Define for C1X.
2355
2356 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2357
2358         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2359         placeholder from 0x%x to %#x.
2360         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2361         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2362         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2363         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2364         * config/i386/i386.c (ix86_target_string): Ditto.
2365         (output_pic_addr_const): Ditto.
2366         (print_operand): Ditto.
2367
2368 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2369
2370         * combine.c (find_split_point): Add third argument.  Use it
2371         to find nested multiply-accumulate instructions.  Adjust calls.
2372         (try_combine): Adjust call to find_split_point.
2373
2374 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2375
2376         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2377
2378 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2379
2380         PR tree-optimization/41442
2381         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2382         (fold_binary_loc): Call it.
2383
2384 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2385
2386         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2387         * opts.c (common_handle_option): Allow disabling it.
2388         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2389
2390 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2391
2392         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2393         between modes if both types are integral.
2394
2395 2010-04-23  Richard Guenther  <rguenther@suse.de>
2396
2397         PR tree-optimization/43572
2398         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2399
2400 2010-04-23  Richard Guenther  <rguenther@suse.de>
2401
2402         PR lto/43455
2403         * tree-inline.c (tree_can_inline_p): Also check compatibility
2404         of return types.
2405
2406 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2407
2408         PR tree-optimization/43846
2409         * tree-sra.c (struct access): New flag grp_assignment_read.
2410         (build_accesses_from_assign): Set grp_assignment_read.
2411         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2412         (enum mark_read_status): New type.
2413         (analyze_access_subtree): Propagate grp_assignment_read, create
2414         accesses also if both direct_read and root->grp_assignment_read.
2415
2416 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2417
2418         PR middle-end/43835
2419         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2420         function does not have type attributes.
2421
2422 2010-04-23  Richard Guenther  <rguenther@suse.de>
2423
2424         PR lto/42653
2425         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2426         of FUNCTION_DECLs.
2427
2428 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2429
2430         * sese.h (create_if_region_on_edge): Remove.
2431
2432         * sese.c (create_if_region_on_edge): Make static.
2433
2434         * tree-inline.c: Do not include ggc.h.
2435
2436         * expr.c: Do not include ggc.h.
2437
2438         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2439         dependencies.
2440
2441 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2442
2443         PR target/43744
2444         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2445         in the middle of insns for casesi_worker_2.
2446
2447 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2448
2449         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2450
2451 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2452
2453         PR tree-optimization/43842
2454         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2455         loop unrolling in update of exit phis. Fix comment.
2456         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2457         least two reduction statements in the loop before starting SLP
2458         analysis.
2459
2460 2010-04-22  Nick Clifton  <nickc@redhat.com>
2461
2462         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2463
2464 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2465
2466         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2467         to simplify a + ~a.
2468
2469 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2470
2471         * tree-parloops.c (loop_parallel_p): New argument
2472         parloop_obstack.  Pass it down.
2473         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2474         pass it down, free it.
2475
2476         * tree-loop-linear.c (linear_transform_loops): Pass down
2477         lambda_obstack.
2478
2479         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2480         of type struct obstack *.
2481
2482         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2483         scratch_obstack.  Initialize it, pass down, free it.
2484
2485         * lambda.h (lambda_loop_new): Remove.
2486         (lambda_matrix_new, lambda_matrix_inverse)
2487         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2488         argument of type struct obstack *.
2489
2490         * lambda-trans.c (lambda_trans_matrix_new): New argument
2491         lambda_obstack.  Pass it down, use obstack allocation for ret.
2492         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2493         it down.
2494
2495         * lambda-mat.c (lambda_matrix_get_column)
2496         (lambda_matrix_project_to_null): Remove.
2497         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2498         allocation for mat.
2499         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2500         lambda_obstack.
2501
2502         * lambda-code.c (lambda_loop_new): New function.
2503         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2504         (lambda_compute_auxillary_space, lambda_compute_target_space)
2505         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2506         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2507         (build_access_matrix): New argument lambda_obstack.  Use obstack
2508         allocation for am.
2509         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2510         argument lambda_obstack.  Pass it down.
2511
2512 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2513
2514         * optabs.h (expand_widening_mult): Declare.
2515
2516 2010-04-22  Richard Guenther  <rguenther@suse.de>
2517
2518         PR tree-optimization/43845
2519         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2520         lookup the CALL_EXPR function and arguments.
2521
2522 2010-04-22  Nick Clifton  <nickc@redhat.com>
2523
2524         * config/stormy16/stormy16.c
2525         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2526         * config/stormy16/stormy16.h: Tidy up formatting.
2527         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2528         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2529         (ineqbranchsi): Delete pattern.
2530         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2531         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2532         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2533         stormy16-lib2-ucmpsi2.c.
2534
2535 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2536
2537         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2538         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2539         extra set merge_set_noclobber, and use it to relax the final test
2540         slightly.
2541         * df.h (df_simulate_find_noclobber_defs): Declare.
2542         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2543         conditional defs.
2544         (df_simulate_find_noclobber_defs): New function.
2545
2546 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2547
2548         * config/i386/i386.md: Use {} around multi-line preparation statements.
2549
2550 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2551
2552         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2553         (process_init_element): New argument of type struct obstack *.
2554
2555         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2556         (set_init_index, set_init_label, set_nonincremental_init)
2557         (set_nonincremental_init_from_string, find_init_member)
2558         (output_init_element, output_pending_init_elements)
2559         (process_init_element): New argument braced_init_obstack.  Pass it
2560         down.
2561         (push_range_stack, add_pending_init): New argument
2562         braced_init_obstack.  Use obstack allocation.
2563
2564         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2565         braced_init_obstack.  Pass it down.
2566         (c_parser_braced_init): New variables ret, braced_init_obstack.
2567         Initialize obstack, pass it down and finally free it.
2568
2569 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2570
2571         PR middle-end/29274
2572         * tree-pass.h (pass_optimize_widening_mul): Declare.
2573         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2574         gate_optimize_widening_mul): New static functions.
2575         (pass_optimize_widening_mul): New.
2576         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2577         <case MULT_EXPR>: Remove support for widening multiplies.
2578         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2579         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2580         simplify_gen_unary rather than directly building extensions.
2581         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2582         WIDEN_MULT_EXPR.
2583         * expmed.c (expand_widening_mult): New function.
2584         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2585
2586 2010-04-21  Jan Hubicka  <jh@suse.cz>
2587
2588         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2589         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2590         * lto-wpa-fixup.c: Remove.
2591         * Makefile.in (lto-wpa-fixup.o): Remove.
2592         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2593         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2594         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2595
2596 2010-04-21  Jan Hubicka  <jh@suse.cz>
2597
2598         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2599         add write_optimization_summary, read_optimization_summary.
2600         (ipa_write_summaries_of_cgraph_node_set): Remove.
2601         (ipa_write_optimization_summaries): Declare.
2602         (ipa_read_optimization_summaries): Declare.
2603         * ipa-cp.c (pass_ipa_cp): Update.
2604         * ipa-reference.c (pass_ipa_reference): Update.
2605         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2606         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2607         Update.
2608         * ipa-inline.c (pass_ipa_inline): Update.
2609         * ipa.c (pass_ipa_whole_program): Update.
2610         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2611         * passes.c (ipa_write_summaries_1): Do not test wpa.
2612         (ipa_write_optimization_summaries_1): New.
2613         (ipa_write_optimization_summaries): New.
2614         (ipa_read_summaries): Do not test ltrans.
2615         (ipa_read_optimization_summaries_1): New.
2616         (ipa_read_optimization_summaries): New.
2617
2618 2010-04-21  Jan Hubicka  <jh@suse.cz>
2619
2620         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2621         for boundary nodes.
2622         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2623
2624 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2625
2626         PR debug/40040
2627         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2628         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2629
2630 2010-04-21  Jan Hubicka  <jh@suse.cz>
2631
2632         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2633
2634 2010-04-21  Jan Hubicka  <jh@suse.cz>
2635
2636         * varpool.c (decide_is_variable_needed): Variable is always needed
2637         during ltrans.
2638
2639 2010-04-21  Jan Hubicka  <jh@suse.cz>
2640
2641         * opts.c (decode_options): Enable pure-const pass for whopr.
2642
2643 2010-04-21  Jan Hubicka  <jh@suse.cz>
2644
2645         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2646         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2647         at WPA dumping.
2648         (cgraph_decide_inlining): Do not expect callee to be removed in all
2649         cases.
2650
2651 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2652
2653         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2654
2655 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2656
2657         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2658         amdfam10_decode attributes.
2659
2660 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2661
2662         PR middle-end/43570
2663         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2664         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2665         (lower_copyprivate_clauses): Use private var in outer
2666         context instead of original var.  Make sure the types
2667         are correct for VLAs.
2668
2669 2010-04-21  Richard Guenther  <rguenther@suse.de>
2670
2671         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2672         to non-pointer objects.
2673
2674 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2675
2676         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2677         last chain entry if it starts with the still current label.
2678         (add_location_or_const_value_attribute): Check that
2679         loc_list->first->next is NULL instead of comparing ->first with ->last.
2680         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2681         to add_var_loc_to_decl.
2682
2683         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2684         >= 4 add also address size and segment size fields into CIE header.
2685
2686         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2687         long as address size is the same as sizeof (void *) and
2688         segment size is 0.
2689         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2690         address size or segment size is unexpected, return DW_EH_PE_omit.
2691         (classify_object_over_fdes): If get_cie_encoding returned
2692         DW_EH_PE_omit, return -1.
2693         (init_object): If classify_object_over_fdes returned -1,
2694         pretend there were no FDEs at all.
2695
2696 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2697
2698         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2699         bswap{si,di}2 using SWI48 mode iterator.
2700         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2701         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2702         set modrm attribute of bswap insn to 0 and remove length attribute.
2703         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2704         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2705         set mode attribute to <MODE> and remove length attribute.
2706
2707 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2708
2709         PR rtl-optimization/43520
2710         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2711         zero available registers.
2712
2713 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2714
2715         * builtins.c (fold_builtin_cproj): Fold more cases.
2716
2717 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2718
2719         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2720         (fold_builtin_1): Fold builtin cproj.
2721         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2722         Use ATTR_CONST_NOTHROW_LIST.
2723
2724 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2725
2726         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2727         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2728         ffsi2_no_cmove for !TARGET_CMOVE.
2729         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2730         (ffssi2): Remove expander.
2731         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2732         mode iterator.
2733         (ctz<mode>2): Ditto from ctz{si,di}2.
2734         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2735         mode iterator.
2736         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2737         mode iterator.
2738
2739 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2740
2741         * dwarf2out.c (AT_linkage_name): Define.
2742         (clone_as_declaration): Handle DW_AT_linkage_name.
2743         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2744         of DW_AT_MIPS_linkage_name.
2745         (move_linkage_attr): Likewise.
2746         (dwarf2out_finish): Likewise.
2747
2748 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2749
2750         PR middle-end/41952
2751         * fold-const.c (fold_comparison): New folding rule.
2752
2753 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2754
2755         * double-int.h (double_int_setbit): Declare.
2756         * double-int.c (double_int_setbit): New function.
2757         * rtl.h (immed_double_int_const): Declare.
2758         * emit-rtl.c (immed_double_int_const): New function.
2759         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2760         and immed_double_int_const functions.
2761         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2762         expand_copysign_bit):  (Ditto.).
2763         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2764         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2765         * dojump.c (prefer_and_bit_test): (Ditto.).
2766         * expr.c (convert_modes, reduce_to_bit_field_precision,
2767         const_vector_from_tree): (Ditto.).
2768         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2769
2770 2010-04-20  Jan Hubicka  <jh@suse.cz>
2771
2772         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2773         (dump_cgraph_node): Dump new flags.
2774         * cgraph.h (struct cgraph_node): Add flags
2775         reachable_from_other_partition and in_other_partition.
2776         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2777         other partition can not be removed.
2778         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2779         the other partition must be output; silence sanity checking on
2780         leaking functions bodies from other paritition.
2781         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2782         (lto_output_node): Output new flags; do not sanity check that inline
2783         clones are output; drop lto_forced_extern_inline_p code; do not mock
2784         visibility flags at partition boundaries.
2785         (add_node_to): New function.
2786         (output_cgraph): Use it to sort functions so masters appear before
2787         clones.
2788         (input_overwrite_node): Input new flags.
2789         * passes.c (ipa_write_summaries): Do not call
2790         lto_new_extern_inline_states.
2791         * lto-section-out.c (forced_extern_inline,
2792         lto_new_extern_inline_states lto_delete_extern_inline_states,
2793         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2794         * lto-streamer.h (lto_new_extern_inline_states,
2795         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2796         lto_forced_extern_inline_p): Kill.
2797
2798 2010-04-20  Richard Guenther  <rguenther@suse.de>
2799
2800         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2801         from vars that can have pointers.
2802         (process_constraint): Dump useless constraints.
2803
2804 2010-04-20  Richard Guenther  <rguenther@suse.de>
2805
2806         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2807         (dump_sa_points_to_info): Remove asserts.
2808         (init_base_vars): nothing_id isn't an escape point nor does it
2809         have pointers.
2810
2811 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2812
2813         * tree.h (TYPE_REF_IS_RVALUE): Define.
2814         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2815         should_move_die_to_comdat, prune_unused_types_walk): Handle
2816         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2817         (modified_type_die, gen_reference_type_die): Emit
2818         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2819         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2820
2821 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2822
2823         PR target/43635
2824         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2825         calls for -fpic -m31 if they have been sibcall optimized.
2826
2827 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2828
2829         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2830         ar.lc fixed and call-used.
2831
2832         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2833
2834 2010-04-19  Jan Hubicka  <jh@suse.cz>
2835
2836         * opts.c (decode_options): Disable whpr incompatible passes.
2837         * lto/lto.c (lto_1_to_1_map): Skip clones.
2838         (read_cgraph_and_symbols): Do not mark everything as needed.
2839         (do_whole_program_analysis): Do map only after optimizing;
2840         set proper cgraph_state; use passmanager.
2841
2842 2010-04-19  DJ Delorie  <dj@redhat.com>
2843
2844         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2845         POINTER_PLUS_EXPR and fix them.
2846
2847 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2848
2849         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2850         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2851         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2852         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2853         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2854         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2855         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2856         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2857         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2858         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2859         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2860
2861 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2862
2863         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2864         (check_cond_move_block): Likewise.
2865         (cond_move_process_if_block): Likewise.
2866         (noce_find_if_block): Improve formatting.
2867         (find_if_header): Pass 0 to memset and tweak conditions.
2868         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2869
2870 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2871
2872         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2873         for -gdwarf-4.
2874
2875         PR middle-end/43337
2876         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2877         with non-local decl doesn't need chain.
2878
2879 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2880
2881         * ira-color.c (allocno_reload_assign): Avoid accumulating
2882         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2883
2884 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2885
2886         * gimple.h (create_tmp_reg): Declare.
2887         * gimplify.c (create_tmp_reg): New function.
2888         (gimplify_return_expr): Use create_tmp_reg.
2889         (gimplify_omp_atomic): Likewise.
2890         (gimple_regimplify_operands): Likewise.
2891         * tree-dfa.c (make_rename_temp): Likewise.
2892         * tree-predcom.c (predcom_tmp_var): Likewise.
2893         (reassociate_to_the_same_stmt): Likewise.
2894         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2895         (get_replaced_param_substitute): Likewise.
2896         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2897         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2898         * tree-ssa-pre.c (get_representative_for): Likewise.
2899         (create_expression_by_pieces): Likewise.
2900         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2901         (create_tailcall_accumulator): Likewise.
2902
2903 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2904
2905         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2906         new_stmt.
2907         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2908
2909 2010-04-19  Richard Guenther  <rguenther@suse.de>
2910
2911         PR tree-optimization/43796
2912         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2913         from SCEV in the lattice.
2914         (vrp_visit_phi_node): Dump change.
2915
2916 2010-04-19  Richard Guenther  <rguenther@suse.de>
2917
2918         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2919         * configure: Re-generated.
2920
2921 2010-04-19  Richard Guenther  <rguenther@suse.de>
2922
2923         PR tree-optimization/43783
2924         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2925         constant ARRAY_REF operands two and three if possible.
2926
2927 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2928
2929         PR target/43766
2930         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2931
2932 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2933
2934         PR target/43662
2935         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2936
2937 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2938
2939         PR tree-optimization/37027
2940         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2941         and macro to access it.
2942         (vectorizable_reduction): Add argument.
2943         (vect_get_slp_defs): Likewise.
2944         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2945         statements for possible use in SLP.
2946         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2947         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2948         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2949         add new argument.
2950         (vectorizable_reduction): Likewise.
2951         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2952         vect_get_slp_defs.
2953         (vectorizable_type_demotion, vectorizable_type_promotion,
2954         vectorizable_store): Likewise.
2955         (vect_analyze_stmt): Update call to vectorizable_reduction.
2956         (vect_transform_stmt): Likewise.
2957         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2958         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2959         from different interleaving chains in same node.
2960         (vect_slp_rearrange_stmts): New function.
2961         (vect_supported_load_permutation_p): Allow load permutations for
2962         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2963         inside SLP nodes if necessary.
2964         (vect_analyze_slp_instance): Handle reductions.
2965         (vect_analyze_slp): Try to build SLP instances originating from groups
2966         of reductions.
2967         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2968         (vect_get_constant_vectors): Create initial vectors for reductions
2969         according to reduction code. Add new argument.
2970         (vect_get_slp_defs): Add new argument, pass it to
2971         vect_get_constant_vectors.
2972         (vect_schedule_slp_instance): Remove SLP tree root statements.
2973
2974 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2975
2976         * tree.h (ENUM_IS_SCOPED): Define.
2977         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2978         for ENUM_IS_SCOPED enums.
2979
2980 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2981
2982         * fold-const.c (fold_comparison): Use ssizetype.
2983         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2984         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2985         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2986         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2987
2988         * tree.h (initialize_sizetypes): Remove parameter.
2989         (build_common_tree_nodes): Remove second parameter.
2990         * stor-layout.c (initialize_sizetypes): Remove parameter.
2991         Always create an unsigned type.
2992         (set_sizetype): Assert that the passed type is unsigned and simplify.
2993         * tree.c (build_common_tree_nodes): Remove second parameter.
2994         Adjust call to initialize_sizetypes.
2995         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2996         build_common_tree_nodes.
2997
2998 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2999
3000         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3001
3002 2010-04-18  Ira Rosen  <irar@il.ibm.com>
3003
3004         PR tree-optimization/43771
3005         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3006         load permutation doesn't have gaps.
3007
3008 2010-04-18  Jan Hubicka  <jh@suse.cz>
3009
3010         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3011         (sse_prologue_save_insn expander): Use new pattern.
3012         (sse_prologue_save_insn1): New pattern and splitter.
3013         (sse_prologue_save_insn): Update to deal also with 64bit aligned
3014         blocks.
3015         * i386.c (setup_incoming_varargs_64): Do not compute jump
3016         destination here.
3017         (ix86_gimplify_va_arg): Update alignment needed.
3018         (ix86_local_alignment): Do not align all local arrays to 128bit.
3019
3020 2010-04-17  Jan Hubicka  <jh@suse.cz>
3021
3022         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3023
3024 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3025
3026         * arm.md (negdi2): Remove redundant code to force values into a
3027         register.
3028
3029 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3030
3031         * arm/bpabi.S: Add EABI alignment attributes to objects.
3032         * arm/bpabi-v6m.S: Likewise.
3033         * arm/crti.asm: Likewise.
3034         * arm/crtn.asm: Likewise.
3035         * arm/lib1funcs.asm: Likewise.
3036         * arm/libunwind.S: Likewise.
3037
3038 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3039
3040         * arm-protos.h (tune_params): New structure.
3041         * arm.c (current_tune): New variable.
3042         (arm_constant_limit): Delete.
3043         (struct processors): Add pointer to the tune parameters.
3044         (arm_slowmul_tune): New tuning option.
3045         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3046         (all_cores): Adjust to pick up the tuning model.
3047         (arm_constant_limit): New function.
3048         (arm_override_options): Select the appropriate tuning model.  Delete
3049         initialization of arm_const_limit.
3050         (arm_split_constant): Use the new constant-limit model.
3051         (arm_rtx_costs): Pick up the current tuning model.
3052         * arm.md (is_strongarm, is_xscale): Delete.
3053         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3054         for Xscale variant architectures.
3055         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3056
3057 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3058
3059         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3060         can_shift.
3061         (arm_rtx_costs_1): Remove unused variable extra_cost.
3062         (arm_unwind_emit_set): Use variable offset.
3063         (thumb1_output_casesi): Remove unused variable flags.
3064
3065 2010-04-16  Jeff Law  <law@redhat.com>
3066
3067         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3068         needing assignment rather than doing a two-phase assignment.  Remove
3069         unused variable 'm'.
3070
3071 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3072
3073         PR bootstrap/43767
3074         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3075
3076 2010-04-16  Doug Kwan  <dougkwan@google.com>
3077
3078         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3079         (next_operand_entry_id): New static variable.
3080         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3081         (add_to_ops_vec): Assigned unique ID to operand entry.
3082         (struct oecount_s): New field ID.
3083         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3084         (undistribute_ops_list): Assign unique IDs to oecounts.
3085         (init_reassoc): reset next_operand_entry_id.
3086
3087 2010-04-16  Doug Kwan  <dougkwan@google.com>
3088
3089         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3090         missing left parenthesis.
3091
3092 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3093
3094         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3095         *btdi_rex64 using SWI48 mode iterator.
3096         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3097         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3098         *jcc_btdi_mask_rex64.
3099
3100 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3101
3102         * double-int.h (tree_to_double_int): Convert to macro.
3103         * double-int.c (tree_to_double_int): Remove.
3104
3105 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3106
3107         PR debug/43762
3108         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3109         with want_address 2 and in case a single element list might be
3110         possible, call it again with want_address 0.
3111
3112 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3113
3114         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3115         case 'W' print operands for HI mode.
3116         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3117         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3118         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3119         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3120
3121         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3122
3123         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3124         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3125         #xx:3 and #xx:4 mode.
3126
3127         * config/h8300/h8300.md (inverted load with HImode dest): Add
3128         support for H8300SX.
3129
3130         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3131         satisfy 'U' constraint.
3132
3133 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3134
3135         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3136         * configure: Regenerate.
3137         * config.in: Regenerate.
3138         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3139         works.
3140
3141 2010-04-16  Richard Guenther  <rguenther@suse.de>
3142
3143         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3144         (struct tree_decl_common): ... here.
3145         (DECL_PT_UID): Adjust.
3146         (SET_DECL_PT_UID): Likewise.
3147         (DECL_PT_UID_SET_P): Likewise.
3148
3149 2010-04-16  Richard Guenther  <rguenther@suse.de>
3150
3151         PR tree-optimization/43572
3152         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3153         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3154         * tree-flow.h (is_call_clobbered): Remove.
3155         * tree-flow-inline.h (is_call_clobbered): Likewise.
3156         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3157         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3158         (execute_return_slot_opt): Adjust.
3159         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3160         check for call clobbered vars here.
3161         (find_tail_calls): Move tailcall verification to the
3162         proper place.
3163
3164 2010-04-16  Diego Novillo  <dnovillo@google.com>
3165
3166         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3167
3168 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3169
3170         PR target/40603
3171         * config/arm/arm.md (cbranchqi4): New pattern.
3172         * config/arm/predicates.md (const0_operand,
3173         cbranchqi4_comparison_operator): New predicates.
3174
3175 2010-04-16  Richard Guenther  <rguenther@suse.de>
3176
3177         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3178         (dump_gimple_stmt): Likewise.
3179
3180 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3181
3182         * recog.h (struct recog_data): New field is_operator.
3183         (struct insn_operand_data): New field is_operator.
3184         * recog.c (extract_insn): Set recog_data.is_operator.
3185         * genoutput.c (output_operand_data): Emit code to set the
3186         is_operator field.
3187         * reload.c (find_reloads): Use it rather than testing for an
3188         empty constraint string.
3189
3190         PR target/41514
3191         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3192         If the previous insn is a cbranchsi4_insn with the same arguments,
3193         omit the compare instruction.
3194
3195         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3196         register, inputs must be low registers and we need a low register
3197         scratch.  Handle alternative 2 like alternative 3.
3198
3199 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3200
3201         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3202         don't call get_addr on both.  If one expression is a VALUE and
3203         the other a REG, check VALUE's locs if the REG isn't among them.
3204
3205 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3206
3207         * config/sh/sh.h (sh_frame_pointer_required): New function.
3208         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3209         (flag_omit_frame_pointer) Set.
3210         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3211         (rounded_frame_size): Adjust size with outgoing_args_size.
3212         (sh_set_return_address): Must return from stack pointer.
3213         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3214         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3215         (ACCUMULATE_OUTGOING_ARGS): Define.
3216         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3217         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3218
3219 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3220
3221         PR target/43471
3222         * config/sh/sh.c (sh_legitimize_reload_address): Use
3223         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3224         Remove a unneeded check for offset_base.
3225
3226 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3227
3228         * configure: Regenerated.
3229
3230 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3231
3232         * config/s390/s390.c (s390_call_save_register_used): Switch back
3233         to HARD_REGNO_NREGS.
3234
3235 2010-04-15  Richard Guenther  <rguenther@suse.de>
3236
3237         * alias.c (alias_set_subset_of): Handle alias-set zero
3238         child properly.
3239
3240 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3241             Julian Brown  <julian@codesourcery.com>
3242
3243         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3244         alternatives according to use of high and low regs.
3245         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3246         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3247         optimizing for size on Thumb-2.
3248
3249 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3250
3251         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3252
3253 2010-04-15  Richard Guenther  <rguenther@suse.de>
3254
3255         * tree-ssa-structalias.c (struct variable_info): Add
3256         is_fn_info flag.
3257         (new_var_info): Initialize it.
3258         (dump_constraints): Support printing last added constraints.
3259         (debug_constraints): Adjust.
3260         (dump_constraint_graph): Likewise.
3261         (make_heapvar_for): Check for NULL cfun.
3262         (get_function_part_constraint): New function.
3263         (get_fi_for_callee): Likewise.
3264         (find_func_aliases): Properly implement IPA PTA constraints.
3265         (process_ipa_clobber): New function.
3266         (find_func_clobbers): Likewise.
3267         (insert_into_field_list_sorted): Remove.
3268         (create_function_info_for): Properly allocate vars for IPA mode.
3269         Do not use insert_into_field_list_sorted.
3270         (create_variable_info_for): Properly generate constraints for
3271         global vars in IPA mode.
3272         (dump_solution_for_var): Always dump the solution.
3273         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3274         (find_what_var_points_to): Adjust.
3275         (pt_solution_set): Change.
3276         (pt_solution_ior_into): New function.
3277         (pt_solution_empty_p): Export.
3278         (pt_solution_includes_global): Adjust.
3279         (pt_solution_includes_1): Likewise.
3280         (pt_solutions_intersect_1): Likewise.
3281         (dump_sa_points_to_info): Check some invariants.
3282         (solve_constraints): Move constraint dumping ...
3283         (compute_points_to_sets): ... here.
3284         (ipa_pta_execute): ... and here.
3285         (compute_may_aliases): Do not re-compute points-to info
3286         locally if IPA info is available.
3287         (ipa_escaped_pt): New global var.
3288         (ipa_pta_execute): Properly implement IPA PTA.
3289         * tree-into-ssa.c (dump_decl_set): Support dumping
3290         decls not in referenced-vars.
3291         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3292         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3293         (dump_points_to_solution): Likewise.
3294         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3295         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3296         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3297         (copy_decl_to_var): Copy DECL_PT_UID.
3298         (copy_result_decl_to_var): Likewise.
3299         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3300         (copy_node_stat): Copy it.
3301         * tree.h (DECL_PT_UID): New macro.
3302         (SET_DECL_PT_UID): Likewise.
3303         (DECL_PT_UID_SET_P): Likewise.
3304         (struct tree_decl_minimal): Add pt_uid member.
3305         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3306         (pt_solution_empty_p): Declare.
3307         (pt_solution_set): Adjust.
3308         (ipa_escaped_pt): Declare.
3309         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3310         * gimple-pretty-print.c (pp_points_to_solution): New function.
3311         (dump_gimple_call): Dump call clobber/use information.
3312         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3313         * tree-pass.h (TDF_ALIAS): New dump option.
3314         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3315         * doc/invoke.texi (-fipa-pta): Update documentation.
3316
3317 2010-04-15  Richard Guenther  <rguenther@suse.de>
3318
3319         * Makefile.in (OBJS-common): Add gimple-fold.o.
3320         (gimple-fold.o): New rule.
3321         * tree.h (maybe_fold_offset_to_reference,
3322         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3323         prototypes ...
3324         * gimple.h: ... here.
3325         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3326         may_propagate_address_into_dereference): Move prototypes ...
3327         * gimple.h: ... here.
3328         * tree-ssa-ccp.c (get_symbol_constant_value,
3329         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3330         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3331         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3332         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3333         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3334         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3335         gimplify_and_update_call_from_tree): Move ...
3336         * gimple-fold.c: ... here.  New file.
3337         (ccp_fold_builtin): Rename to ...
3338         (gimple_fold_builtin): ... this.
3339         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3340
3341 2010-04-15  Richard Guenther  <rguenther@suse.de>
3342
3343         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3344         fit_double_type, force_fit_type_double, add_double_with_sign,
3345         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3346         lrotate_double, rrotate_double, div_and_round_double): Move ...
3347         * double-int.c: ... here.
3348         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3349         add_double, neg_double, mul_double_with_sign, mul_double,
3350         lshift_double, rshift_double, lrotate_double, rrotate_double,
3351         div_and_round_double): Move prototypes ...
3352         * double-int.h: ... here.
3353
3354 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3355
3356         PR target/43742
3357         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3358         matching constraints to ensure inputs match the output.
3359
3360 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3361
3362         PR target/43742
3363         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3364         in an input-only operand.
3365
3366 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3367
3368         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3369         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3370         (double_int_negative_p): Convert to static inline function.
3371         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3372         (double_int_negative_p): Remove.
3373         * tree.h (lshift_double, rshift_double):
3374         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3375         * fold-const.c (fold_convert_const_int_from_real,
3376         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3377         (lshift_double): Change type of arith argument to bool.
3378         (rshift_double): Change type of arith argument to bool. Correct
3379         comment.
3380         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3381
3382 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3383
3384         PR target/21803
3385         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3386         at the start and end of the then/else blocks, and omit them from the
3387         conversion.
3388         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3389         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3390         (flow_find_head_matching_sequence): New function.
3391         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3392         * basic-block.h (flow_find_cross_jump,
3393         flow_find_head_matching_sequence): Declare functions.
3394
3395 2010-04-14  Jason Merrill  <jason@redhat.com>
3396
3397         PR c++/36625
3398         * c-common.c (attribute_takes_identifier_p): New fn.
3399         * c-common.h: Declare it.
3400
3401 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3402
3403         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3404         splitter condition.
3405         (*udivmod<mode>4): Ditto.
3406
3407 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3408
3409         * config/i386/i386.md (maxmin_int): Rename code attribute from
3410         maxminiprefix and update all users.
3411         (maxmin_float): Ditto from maxminfprefix.
3412         (logic): Ditto from logicprefix.
3413         (absneg_mnemonic): Ditto from absnegprefix.
3414         * config/i386/mmx.md: Update all users of maxminiprefix,
3415         maxminfprefix and logicprefix for rename.
3416         * config/i386/sse.md: Ditto.
3417         * config/i386/sync.md (sync_<code><mode>): Update for
3418         logicprefix rename.
3419
3420 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3421
3422         PR 42966
3423         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3424         warnings converted to errors.
3425
3426 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3427
3428         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3429         used insn_type variable.
3430         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3431         to avoid set-but-not-used warning.
3432
3433 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3434
3435         * df-core.c (df_ref_debug): Change format string placeholder