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