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PR c++/44127
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-14  Jason Merrill  <jason@redhat.com>
2
3         PR c++/44127
4         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
5         (gimple_call_set_nothrow): New.
6         * gimple.c (gimple_build_call_from_tree): Call it.
7         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
8
9         PR c++/44127
10         * gimplify.c (gimplify_seq_add_stmt): No longer static.
11         * gimple.h: Declare it.
12         * gimple.c (gimple_build_eh_filter): No ops.
13
14 2010-05-14  Jan Hubicka  <jh@suse.cz>
15
16         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
17         nodes already in queue.
18         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with re-enqueueing
19         node.
20
21 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
22
23         PR debug/44136
24         * cfgexpand.c (expand_debug_expr): If non-memory op0
25         has BLKmode, return NULL.
26
27 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
28
29         * config.gcc: Add support for --with-cpu option for bdver1.
30         * config/i386/i386.h (TARGET_BDVER1): New macro.
31         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
32         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
33         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
34         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
35         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
36         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
37         (processor_type): Add PROCESSOR_BDVER1.
38         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
39         processor_type in config/i386/i386.h.
40         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
41         movaps <reg, reg> instead of movapd <reg, reg> when replacing
42         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
43         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
44         to emit packed xor instead of packed double/packed integer
45         xor for SSE and AVX when moving a zero value.
46         * config/i386/sse.md: Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
47          to emit movaps instead of movapd/movdqa for SSE and AVX.
48         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single
49         logical operations i.e and, or and xor instead of packed double logical
50         operations for SSE and AVX. 
51         * config/i386/i386-c.c: 
52         (ix86_target_macros_internal): Add PROCESSOR_BDVER1.
53         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
54         (has_fma4, has_xop): New.
55         * config/i386/i386.c (bdver1_cost): New variable.
56         (m_BDVER1): New macro.
57         (m_AMD_MULTIPLE): Add m_BDVER1.
58         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
59          x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
60          x86_tune_use_simode_fiop, x86_tune_promote_qimode, 
61          x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
62          x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
63          x86_tune_sse_partial_reg_dependency, x86_tune_sse_unaligned_load_optimal,
64          x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
65          x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
66          x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
67          x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
68          x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch): 
69         Enable/disable for bdver1.
70         (processor_target_table): Add bdver1_cost.
71         (cpu_names): Add bdver1.
72         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
73          processor_alias_table.
74         (ix86_expand_vector_move_misalign): Change 
75          TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
76          Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
77          Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
78          of movupd/movdqu for SSE and AVX.
79         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
80         (ix86_tune_adjust_cost): Add code for bdver1.
81         (standard_sse_constant_opcode): Add check for
82         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
83         of packed double xor for SSE and AVX.
84
85 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
86
87         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
88         result to unsigned.
89
90 2010-05-14  Tristan Gingold  <gingold@adacore.com>
91
92         * toplev.c (default_debug_hooks): Remove this variable.
93         (process_options): Remove assignments to default_debug_hooks.
94
95 2010-05-14  Martin Jambor  <mjambor@suse.cz>
96
97         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
98         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
99         * langhooks.h (struct lang_hooks_for_decls): Removed field
100         fold_obj_type_ref.
101         * tree.c (free_lang_data): Remove assignment to
102         lang_hooks.fold_obj_type_ref.
103         * tree.def (OBJ_TYPE_REF): Update comment.
104
105 2010-05-14  Richard Guenther  <rguenther@suse.de>
106
107         PR tree-optimization/44124
108         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
109
110 2010-05-14  Alan Modra  <amodra@gmail.com>
111
112         PR target/44075
113         * config/rs6000/rs6000.c (struct machine_function): Reorder
114         fields for better packing.  Add lr_save_state.
115         (rs6000_ra_ever_killed): Return lr_save_state if set.
116         (rs6000_emit_eh_reg_restore): Set lr_save_state.
117
118 2010-05-13  Jan Hubicka  <jh@suse.cz>
119
120         * varpool.c (decide_is_variable_needed): Drop code checking
121         TREE_SYMBOL_REFERENCED.
122
123 2010-05-13  Jan Hubicka  <jh@suse.cz>
124
125         * final.c (output_addr_const): Do not call mark_decl_referenced.
126         * cgraphunit.c (process_function_and_variable_attributes): Use
127         mark_needed_node dirrectly.
128         (assemble_thunk): Do not call mark_decl_referenced.
129
130 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
131
132         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
133
134 2010-05-13  Jeff Law  <law@redhat.com>
135
136         * ira-conflicts.c (print_allocno_conflicts): New function broken out
137         from...
138         (print_conflicts): Call print_allocno_conflicts.
139
140 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
141
142         PR debug/44104
143         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
144         if it is NULL.
145
146 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
147
148         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
149         t-mingw-w64 or t-mingw-w32 for multilib configuration.
150         * config/i386/t-mingw-w32: New.
151         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
152         
153 2010-05-13  Martin Jambor  <mjambor@suse.cz>
154
155         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
156         gimple-fold.c).
157         * gimple-fold.c (get_base_binfo_for_type): New function.
158         (gimple_get_relevant_ref_binfo): Likewise.
159         (gimple_fold_obj_type_ref_known_binfo): Likewise.
160         (gimple_fold_obj_type_ref): Likewise.
161         (fold_gimple_call): Simplify condition for folding virtual calls
162         and call gimple_fold_obj_type_ref.
163         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
164         (gimple_fold_obj_type_ref_known_binfo): Likewise.
165
166 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
167
168         * config/rs6000/rs6000-protos.h
169         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
170         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
171         (rs6000_debug_mode_dependent_address)
172         (rs6000_mode_dependent_address_ptr): Likewise.
173
174 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
175
176         PR debug/43983
177         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
178         by SRA.
179         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
180         * tree-sra.c (create_access_replacement): Call unshare_expr before
181         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
182         it.
183         * dwarf2out.c: Include tree-flow.h.
184         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
185         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
186         Handle DW_OP_bit_piece.
187         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
188         construct_piece_list, adjust_piece_list): New functions.
189         (add_var_loc_to_decl): Handle SRA optimized variables.
190         Adjust for var_loc_note to loc field renaming.
191         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
192         in VAR_LOCATION note.
193         (new_loc_descr_op_bit_piece): New function.
194         (dw_sra_loc_expr): New function.
195         (dw_loc_list): Use it.  Don't handle the last range after the
196         loop, handle it inside of the loop.  Adjust for var_loc_note
197         to loc field renaming.
198         (add_location_or_const_value_attribute): Only special case
199         single entry loc lists if loc is NOTE_P.  Adjust for
200         var_loc_note to loc field renaming.
201         (dwarf2out_var_location): Don't set newloc->var_loc_note
202         and newloc->next here.
203
204 2010-05-12  Jan Hubicka  <jh@suse.cz>
205
206         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
207         flag.
208         * cgraph.h (cgraph_only_called_directly_p,
209         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
210         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
211         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
212         (assemble
213         * ipa.c (cgraph_remove_unreachable_nodes): Use
214         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
215         flags.
216         * tree-inline.c (copy_bb): Check address_taken flag.
217         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
218         externally_visible flag.
219
220 2010-05-12  Jason Merrill  <jason@redhat.com>
221
222         PR bootstrap/44048
223         PR target/44099
224         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
225         * sdbout.c (plain_type_1): Likewise.
226         * dwarf2out.c (is_base_type): Likewise.
227         (gen_type_die_with_usage): Likewise.  Generate
228         DW_TAG_unspecified_type for any LANG_TYPE.
229
230 2010-05-12  Jan Hubicka  <jh@suse.cz>
231
232         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
233         indrect edges too.
234         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
235         (cgraph_clone_edge): Update.
236         (cgraph_node_remove_callees): Remove indirect calls too.
237         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
238         (cgraph_create_indirect_edge): Update prototype.
239         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
240         is_proper_for_analysis.
241         (add_new_function, visited_nodes, function_insertion_hook_holder,
242         get_local_reference_vars_info, mark_address_taken, mark_address,
243         mark_load, mark_store, check_asm_memory_clobber, check_call,
244         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
245         (ipa_init): Do not initialize visited_nodes;
246         function_insertion_hook_holder.
247         (analyze_variable): Rewrite.
248         (analyze_function): Rewrite.
249         (copy_local_bitmap): Remove.
250         (duplicate_node_dat): Do not duplicate local info.
251         (generate_summary): Simplify to only walk cgraph.
252         (write_node_summary_p, ipa_reference_write_summary,
253         ipa_reference_read_summary): Remove.
254         (propagate): Do not remove function insertion;
255         generate summary.
256         (pass_ipa_reference): NULLify summary handling fields.
257         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
258         (input_edge): Input ecf_flags.
259         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
260         (update_indirect_edges_after_inlining): Ignore edges with unknown
261         param.
262
263 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
264
265         * implicit-zee.c: New file.
266         * tree-pass.h (pass_implicit_zee): Declare.
267         * passes.c (init_optimization_passes): Add zee pass.
268         * common.opt (fzee): New flag.
269         * timevar.def (TV_ZEE): Define.
270         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
271         and beyond.
272         * Makefile.in (implicit-zee.o): Add new build file.
273
274 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
275             Nathan Froyd  <froydnj@codesourcery.com>
276
277         * c-common.c (sync_resolve_params): Remove write-only variable.
278
279 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
280
281         * target.h (struct gcc_target): Add mode_dependent_address_p field.
282         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
283         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
284         * targhooks.c (default_mode_dependent_address_p): New function.
285         * targhooks.h (default_mode_dependent_address_p): Declare function.
286         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
287         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
288         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
289         target hook. Change return type to bool.
290         * recog.h: (mode_dependent_address_p): Change return type to bool.
291
292 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
293             Nathan Froyd  <froydnj@codesourcery.com>
294
295         * tree-mudflap.c (build_function_type_0, build_function_type_1,
296         build_function_type_2, build_function_type_3): Remove.
297         (mudflap_init): Use build_function_type_list.
298
299 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
300             Nathan Froyd  <froydnj@codesourcery.com>
301
302         * coverage.c (build_fn_info_value): Call build_constructor instead of
303         build_constructor_from_list.
304         (build_ctr_info_value): Likewise.
305         (build_gcov_info): Likewise.
306
307 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
308
309         * tree.c (build_constructor): Compute TREE_CONSTANT for the
310         resultant constructor.
311         (build_constructor_single): Don't set TREE_CONSTANT.
312         (build_constructor_from_list): Don't compute TREE_CONSTANT.
313
314 2010-05-12  Jan Hubicka  <jh@suse.cz>
315
316         * cgraph.h (struct varpool_node): Add aux.
317         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
318         * varpool.c (varpool_remove_node): Do not remove initializer.
319         (varpool_reset_queue): Export.
320         (varpool_finalize_decl): Volatile vars are forced to be output.
321         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
322         replaced decl.
323         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
324         process_references, varpool_can_remove_if_no_refs): New functions.
325         (cgraph_remove_unreachable_nodes): Handle variables too.
326
327 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
328
329         PR target/44088
330         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
331
332 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
333
334         PR middle-end/44085
335         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
336         change value of ORT_TASK.
337         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
338         (omp_notice_threadprivate_variable): New function.
339         (omp_notice_variable): Call it for threadprivate variables.
340         If enclosing ctx is a task, print enclosing task rather than
341         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
342         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
343         if task has untied clause.
344
345         PR debug/42278
346         * dwarf2out.c (base_type_die): Don't add name attribute here.
347         (modified_type_die): Instead of sizetype use
348         its underlying original type.  If a DW_TAG_base_type doesn't
349         have name added, add __unknown__.
350         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
351         always call force_type_die instead.
352
353 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
354
355         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
356         for __stack_chk_guard.
357
358 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
359
360         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
361         don't call start_source_file debug hook here...
362         (finish_options): ... but here, after outputting predefined and
363         command line defines and undefs.
364
365         PR middle-end/44071
366         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
367         no fallthru edge.
368         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
369         optimizing away empty bb with no successors, move over its
370         footer chain to fallthru predecessor.
371         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
372         (rtl_split_edge): For asm goto call patch_jump_insn even if
373         splitting fallthru edge.
374
375         PR c++/44059
376         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
377         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
378         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
379         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
380         on DW.ref.* decls.
381
382         PR c++/44062
383         * c-parser.c (c_parser_expression): Mark LHS of a comma
384         expression as read if it is a decl, handled component or
385         COMPOUND_EXPR with that on the RHS.
386         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
387         if it is a decl or handled component.
388
389 2010-05-11  Jan Hubicka  <jh@suse.cz>
390
391         * lto-symtab.c (lto_symtab_free): New function.
392         * lto-streamer.h (lto_symtab_free): Declare.
393
394 2010-05-11  Jan Hubicka  <jh@suse.cz>
395
396         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
397         that if function is needed it is reachable.
398         (lto_output_node): See if it the function is reachable or referenced.
399         (output_cgraph): Update call of lto_output_node.
400         * lto-streamer.h (reachable_from_other_partition_p): Declare.
401
402 2010-05-11  Jan Hubicka  <jh@suse.cz>
403
404         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
405         Mark as used.
406
407 2010-05-11  Jan Hubicka  <jh@suse.cz>
408
409         PR tree-optimize/44063
410         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
411         queue.
412         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
413         limits.
414         (estimate_function_body_sizes): Compute sizes even when disregarding.
415
416 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
417
418         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
419
420 2010-05-11  Jan Hubicka  <jh@suse.cz>
421
422         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
423         into every boundary.
424
425 2010-05-11  Jan Hubicka  <jh@suse.cz>
426
427         * matrix-reorg.c (matrix_reorg): Rebuild edges.
428
429 2010-05-11  Jan Hubicka  <jh@suse.cz>
430
431         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
432         lto_streamer_cache_delete): Put nodes into heap.
433         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
434         heap.
435
436 2010-05-11  Jan Hubicka  <jh@suse.cz>
437
438         * cgraphbuild.c (cgraph_rebuild_references): New.
439         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
440         out extern inlines.
441         * cgraph.h (cgraph_rebuild_references): Declare.
442         * tree-inline.c (tree_function_versioning): Use it.
443         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
444
445 2010-05-11  Jan Hubicka  <jh@suse.cz>
446
447         * cgraph.c: Include ipa-utils.h
448         (cgraph_create_virtual_clone): Update references.
449         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
450
451 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
452
453         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
454         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
455         cache size.
456
457 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
458
459         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
460
461 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
462
463         * gcc.c (execute): For -### don't quote arguments that
464         contain just alphanumerics and _/-. characters.
465         * doc/invoke.texi: Document that change for -###.
466
467         PR debug/44023
468         * df-problems.c (struct dead_debug): Add to_rescan field.
469         (dead_debug_init): Clear to_rescan field.
470         (dead_debug_finish): Rescan all debug insns in to_rescan
471         bitmap and free the bitmap.
472         (dead_debug_insert_before): Instead of rescanning debug insns
473         immediately queue their rescanning until dead_debug_finish.
474         (df_note_bb_compute): After dead_debug_add do continue instead
475         of break.
476
477 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
478
479         PR debug/44028
480         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
481         clear also INSN_REG_USE_LIST.
482
483 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
484
485         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
486
487 2010-05-10  Jan Hubicka  <jh@suse.cz>
488
489         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
490         commited change.
491
492 2010-05-10  Jan Hubicka  <jh@suse.cz>
493
494         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
495         Allocate encoders.
496         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
497         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
498         (lto_streamer_cache_create): Init alloc pool.
499         (lto_streamer_cache_delete): Free alloc pool.
500         * lto-streamer.h: Include alloc pool.
501         (lto_streamer_cache_d): Use alloc pool.
502         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
503
504 2010-05-10  Jan Hubicka  <jh@suse.cz>
505
506         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
507         * cgraphbuild.c: Include except.h
508         (record_type_list, record_eh_tables): New function.
509         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
510
511 2010-05-10  Jan Hubicka  <jh@suse.cz>
512
513         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
514         __frame_dummy_init_array_entry, force_to_data): Attribute as used
515         rather than unused.
516
517 2010-05-10  Michael Matz  <matz@suse.de>
518
519         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
520         (can_reassociate_p): Use FLOAT_TYPE_P.
521         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
522         (vect_force_simple_reduction): ... this.
523         * tree-parloops.c (gather_scalar_reductions): Use
524         vect_force_simple_reduction.
525         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
526         vect_is_simple_reduction, add modify argument, if true rewrite
527         "a-b" into "a+(-b)".
528         (vect_is_simple_reduction, vect_force_simple_reduction): New
529         functions.
530         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
531
532 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
533             Vladimir Makarov  <vmakarov@redhat.com>
534
535         PR rtl-optimization/44012
536         * ira-build.c (remove_unnecessary_allocnos): Nullify
537         regno_allocno_map of the removed allocno.
538
539 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
540
541         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
542         to /dev/null.
543         * configure: Regenerate.
544
545 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
546
547         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
548         unused.
549         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
550         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
551         support in Sun ld.
552         * configure: Regenerate.
553
554 2010-05-10  Richard Guenther  <rguenther@suse.de>
555
556         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
557         marked if the entry identifier is marked.
558
559 2010-05-10  Richard Guenther  <rguenther@suse.de>
560
561         * c-common.c (struct c_common_attributes): Add fnspec attribute.
562         (handle_fnspec_attribute): New function.
563         * gimple.h (gimple_call_return_flags): Declare.
564         (gimple_call_arg_flags): Likewise.
565         * gimple.c (gimple_call_arg_flags): New function.
566         (gimple_call_return_flags): Likewise.
567         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
568         New argument flags.
569         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
570         return value flags.
571         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
572         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
573         main work to ...
574         (make_heapvar_for): ... this new function.
575         (handle_rhs_call): Handle fnspec attribute argument specifiers.
576         (handle_lhs_call): Likewise.
577         (find_func_aliases): Adjust.
578
579 2010-05-10  Richard Guenther  <rguenther@suse.de>
580
581         PR tree-optimization/44050
582         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
583
584 2010-05-10  Wei Guozhi  <carrot@google.com>
585
586         PR target/42879
587         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
588
589 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
590
591         PR c/10676
592         * c-typeck.c (lookup_field): Take a type directly.  Update
593         recursive calls.
594         (build_component_ref): Update call to lookup_field.
595         (set_init_label): Use lookup_field to find initialized field.
596         Handle returned list of fields like a sequence of designators.
597
598 2010-05-09  Richard Guenther  <rguenther@suse.de>
599
600         PR middle-end/44024
601         * fold-const.c (tree_single_nonzero_warnv_p): Properly
602         handle &FUNCTION_DECL.
603
604 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
605
606         PR c/4784
607         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
608         structures and unions recursively.
609         (detect_field_duplicates): Move duplicate detection with a hash to
610         detect_field_duplicates_hash.  Always use a hash if anonymous
611         structures or unions are present.
612         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
613         give errors.
614
615 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
616
617         PR target/44046
618         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
619         detect Atom, Core 2 and Core i7.
620
621 2010-05-09  Richard Guenther  <rguenther@suse.de>
622
623         * gcc.c (store_arg): Handle temporary file deletion for
624         joined arguments.
625
626 2010-05-09  Richard Guenther  <rguenther@suse.de>
627
628         PR middle-end/44043
629         * ipa-inline.c (estimate_function_body_sizes): Return after
630         disregarding inline limits.
631
632 2010-05-09  Richard Guenther  <rguenther@suse.de>
633
634         * gcc.c (store_arg): Revert last change.
635
636 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
637
638         PR middle-end/28685
639         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
640         (optimize_ops_list): Call it.
641
642 2010-05-08  Richard Guenther  <rguenther@suse.de>
643
644         PR tree-optimization/44030
645         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
646         NECESSARY flag if we propagate from a inserted expression.
647
648 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
649
650         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
651         domain types as equal if they are both PLACEHOLDER_EXPRs.
652
653 2010-05-08  Richard Guenther  <rguenther@suse.de>
654
655         * lto-wrapper.c (run_gcc): Remove linker output from
656         command line for LTRANS invocation.
657
658 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
659
660         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
661         lto-macho as lto_binary_reader.
662         * target.h (struct gcc_target): New hooks lto_start and lto_end.
663         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
664         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
665         in lto_start and lto_end calls.
666         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
667         magic numbers.
668         (scan_prog_file): Update is_elf_or_coff call.
669         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
670
671         * collect2.c (main): Fix enum comparison.
672
673         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
674         Add prototypes.
675         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
676         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
677         and TARGET_ASM_LTO_END.
678         * darwin.c: Include obstack.h and lto-streamer.h.
679         (lto_section_names_offset, lto_section_names_obstack,
680         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
681         global variables.
682         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
683         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
684         to a temporary file.
685         (darwin_asm_lto_end): New function.  Restore asm_out_file.
686         (darwin_asm_named_section): For LTO sections, replace the name with
687         the offset of the section name in a string table, and build this
688         table.
689         (darwin_file_start): Initialize global vars for LTO support.
690         (darwin_file_end): If output to asm_out_file was redirected, append it
691         to the proper asm_out_file here.  Add the section names section.
692
693 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
694
695         * c-pragma.c (pending_weak_d, pending_weak): New.
696         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
697         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
698         handle_pragma_weak): Update the uses of pending_weaks.
699
700 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
701
702         PR documentation/44016
703         * doc/standards.texi (Standards): Link to unversioned
704         cxx0x_status.html page.
705
706 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
707
708         PR target/43708
709         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
710         in addition to TREE_USED, to avoid "set but unused" warnings.
711
712 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
713
714         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
715         (is_loop_prefetching_profitable): Do not insert prefetches
716         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
717         times the prefetch ahead distance.
718
719 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
720
721         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
722         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
723         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
724         the unroll_factor.
725
726 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
727
728         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
729         a diagnostic info when the insn-to-mem ratio is too small.
730
731 2010-05-07  Richard Guenther <rguenther@suse.de>
732
733         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
734         the linker plugin.
735         (store_arg): Queue temp_filename for deletion instead of
736         the whole argument.
737
738 2010-05-07  Richard Guenther  <rguenther@suse.de>
739
740         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
741         (run_gcc): Handle LTRANS phase invocation.
742         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
743
744 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
745
746         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
747         this is also meaningful on PARM_DECLs and RESULT_DECLs.
748
749 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
750
751         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
752
753 2010-05-07  Richard Guenther  <rguenther@suse.de>
754
755         PR tree-optimization/44020
756         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
757         code when PRE is not yet initialized.
758
759 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
760
761         * config/mips/dbxmdebug.h: Remove.
762         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
763
764 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
765
766         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
767         with null pointer and also warn about ordered comparison of zero with
768         pointer if -Wextra.
769
770 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
771
772         * graphite-blocking.c
773         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
774         * graphite-clast-to-gimple.c
775         (clast_to_gcc_expression): Same.
776         (precision_for_value): Same.
777         (precision_for_interval): Same.
778         (gcc_type_for_interval): Same.
779         (graphite_create_new_guard): Same.
780         (compute_bounds_for_level): Same.
781         (graphite_create_new_loop_guard): Same.
782         * graphite-interchange.c
783         (build_linearized_memory_access): Same.
784         (pdr_stride_in_loop): Same.
785         (memory_strides_in_loop_1): Same.
786         (memory_strides_in_loop): Same.
787         (extend_scattering): Same.
788         (psct_scattering_dim_for_loop_depth): Same.
789         (pbb_number_of_iterations): Same.
790         * graphite-poly.h
791         (debug_iteration_domains): Same.
792         * graphite-ppl.c
793         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
794         (ppl_set_inhomogeneous_gmp): Same.
795         (ppl_strip_loop): Same.
796         (ppl_lexico_compare_linear_expressions): Same.
797         (ppl_read_polyhedron_matrix): Same.
798         (ppl_max_for_le_pointset): Same.
799         * graphite-ppl.h
800         (ppl_read_polyhedron_matrix): Same.
801         (tree_int_to_gmp): Same.
802         (gmp_cst_to_tree): Same.
803         (ppl_set_inhomogeneous): Same.
804         (ppl_set_inhomogeneous_tree): Same.
805         (ppl_set_coef): Same.
806         (ppl_set_coef_tree): Same.
807         * graphite-sese-to-poly.c
808         (build_pbb_scattering_polyhedrons): Same.
809         (build_scop_scattering): Same.
810         (scan_tree_for_params_right_scev): Same.
811         (scan_tree_for_params): Same.
812         (find_params_in_bb): Same.
813         (find_scop_parameters): Same.
814         (add_upper_bounds_from_estimated_nit): Same.
815         (build_loop_iteration_domains): Same.
816         (add_condition_to_domain): Same.
817         (pdr_add_memory_accesses): Same.
818
819 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
820
821         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
822         CLooG's value_* macros to their respective mpz_* counterparts.
823         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
824         (graphite_create_new_loop_guard): Same.
825         * graphite-interchange.c (build_linearized_memory_access): Same.
826         (pdr_stride_in_loop): Same.
827         (memory_strides_in_loop_1): Same.
828         (1st_interchange_profitable_p): Same.
829         * graphite-poly.c (extend_scattering): Same.
830         (psct_scattering_dim_for_loop_depth): Same.
831         (pbb_number_of_iterations): Same.
832         (pbb_number_of_iterations_at_time): Same.
833         * graphite-poly.h (new_1st_loop): Same.
834         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
835         (oppose_constraint): Same.
836         (insert_constraint_into_matrix): Same.
837         (ppl_set_inhomogeneous_gmp): Same.
838         (ppl_set_coef_gmp): Same.
839         (ppl_strip_loop): Same.
840         (ppl_lexico_compare_linear_expressions): Same.
841         (ppl_max_for_le_pointset): Same.
842         (ppl_min_for_le_pointset): Same.
843         (ppl_build_realtion): Same.
844         * graphite-ppl.h (gmp_cst_to_tree): Same.
845         (ppl_set_inhomogeneous): Same.
846         (ppl_set_inhomogeneous_tree): Same.
847         (ppl_set_coef): Same.
848         (ppl_set_coef_tree): Same.
849         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
850         (build_scop_scattering): Same.
851         (add_value_to_dim): Same.
852         (scan_tree_for_params_right_scev): Same.
853         (scan_tree_for_params_int): Same.
854         (scan_tree_for_params): Same.
855         (find_params_in_bb): Same.
856         (find_scop_parameters): Same.
857         (add_upper_bounds_from_estimated_nit): Same.
858         (build_loop_iteration_domains): Same.
859         (create_linear_expr_from_tree): Same.
860         (add_condition_to_domain): Same.
861         (pdr_add_memory_accesses): Same.
862
863 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
864             Jason Merrill  <jason@redhat.com>
865
866         * c-common.c (c_common_reswords): Add nullptr.
867         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
868         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
869         (gen_type_die_with_usage): Likewise.
870         * dbxout.c (dbxout_type): Likewise.
871         * sdbout.c (plain_type_1): Likewise.
872
873 2010-05-06  Jason Merrill  <jason@redhat.com>
874
875         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
876         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
877         ret appropriately.
878         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
879
880         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
881         stripping WITH_SIZE_EXPR.
882         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
883         change.
884
885 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
886
887         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
888         list of obsolete configurations.
889         Disabled check for obsolete configurations.
890         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
891         Removed support for previous versions.
892         * config/mips/iris.h: Removed.
893         * config/mips/iris5.h: Removed.
894         * config/mips/iris6.h: Merged old iris.h contents.
895         (TARGET_IRIX): Removed.
896         (DRIVER_SELF_SPECS): Removed mabi=32.
897         (IDENT_ASM_OP): Removed undef.
898         (STARTFILE_SPEC): Removed mabi=32.
899         (ENDFILE_SPEC): Likewise.
900         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
901         (MACHINE_TYPE): Update for IRIX 6.5.
902         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
903         TARGET_IRIX by TARGET_IRIX6.
904         (mips_file_start): Likewise.
905         (mips_output_external): Remove IRIX 5/6 O32 support.
906         (mips_output_function_prologue): Likewise.
907         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
908         TARGET_IRIX6.
909         (TARGET_CPU_CPP_BUILTINS): Likewise.
910         (TARGET_IRIX): Removed.
911         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
912         (MULTILIB_DIRNAMES): Removed 32.
913         (MULTILIB_OSDIRNAMES): Removed ../lib.
914         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
915         (Specific, mips-sgi-irix5): Document removal.
916         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
917         Remove references to older IRIX 6 releases and the O32 ABI.
918
919 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
920
921         PR bootstrap/43994
922         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
923         instead of DF_REF_REAL_REG.
924
925 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
926
927         PR target/43888
928         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
929         handling to still return true for x64 targets.
930
931 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
932
933         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
934
935 2010-05-06  Jan Hubicka  <jh@suse.cz>
936
937         PR tree-optimization/43791
938         * ipa-inline.c (update_caller_keys): Remove bogus
939         disregard_inline_limits check.
940
941 2010-05-06  Michael Matz  <matz@suse.de>
942
943         PR tree-optimization/43984
944         * tree-ssa-pre.c (inserted_phi_names): Remove.
945         (inserted_exprs): Change to bitmap.
946         (create_expression_by_pieces): Set bits, don't append to vector.
947         (insert_into_preds_of_block): Don't handle inserted_phi_names.
948         (eliminate): Don't look at inserted_phi_names, remove deleted
949         insns from inserted_exprs.
950         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
951         (init_pre, fini_pre): Allocate and free bitmaps.
952         (execute_pre): Insert insns on edges before elimination.
953
954 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
955
956         * tree.c (initializer_zerop): Handle STRING_CST.
957
958 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
959
960         PR 40989
961         * doc/invoke.texi (Wimplicit): Document as C only.
962         * opts.c (common_handle_option): Add argument kind.
963         (handle_option): Rename as read_cmdline_option. Factor out code to...
964         (handle_option): ... here. New.
965         (handle_options): Rename as read_cmdline_options.
966         (decode_options): Update call.
967         (set_option): Use option index instead of option pointer. Classify
968         diagnostics correctly.
969         (enable_warning_as_error): Call handle_option.
970         * opts.h (set_option): Update declaration.
971         (handle_option): Declare.
972         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
973         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
974         * c-opts.c (set_Wimplicit): Delete.
975         (c_family_lang_mask): New static constant.
976         (c_common_handle_option): Add argument kind. Use handle_option
977         instead of set_Wimplicit.
978         (c_common_post_options): warn_implicit and warn_implicit_int
979         are disabled by default.
980         * c-common.c (warn_implicit): Do not define here.
981         * c-common.h (warn_implicit): Do not declare here.
982         (c_common_handle_option): Update declaration.
983         * lto-opts.c (lto_reissue_options): Update call to set_option.
984
985 2010-05-06  Richard Guenther  <rguenther@suse.de>
986
987         PR tree-optimization/43571
988         * domwalk.c (walk_dominator_tree): Walk the dominator
989         sons in more optimal order.
990
991 2010-05-06  Richard Guenther  <rguenther@suse.de>
992
993         PR tree-optimization/43934
994         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
995         (stmt_cost): Likewise.
996         (extract_true_false_args_from_phi): New helper.
997         (determine_max_movement): For PHI nodes verify we can hoist them
998         and compute their cost.
999         (determine_invariantness_stmt): Handle PHI nodes.
1000         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1001         if-converted form using COND_EXPRs.
1002         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1003         (tree_ssa_lim): Likewise.
1004         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1005         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1006
1007 2010-05-06  Richard Guenther  <rguenther@suse.de>
1008
1009         PR tree-optimization/43987
1010         * tree-ssa-structalias.c (could_have_pointers): For possibly
1011         address-taken variables force pointers to be recorded.
1012         (create_variable_info_for_1): Likewise.
1013         (push_fields_onto_fieldstack): Pass in wheter all fields
1014         must have pointers.
1015         (find_func_aliases): Query types instead of vars whether
1016         they contain pointers where appropriate.
1017
1018 2010-05-06  Jan Hubicka  <jh@suse.cz>
1019
1020         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1021         (record_reference, mark_address, mark_load, mark_store): Record
1022         references.
1023         (record_references_in_initializer): Update call of record_references.
1024         (rebuild_cgraph_edges): Remove all references before rebuiding.
1025         * cgraph.c (cgraph_create_node): Clear ref list.
1026         (cgraph_remove_node): Remove references.
1027         (dump_cgraph_node): Dump references.
1028         (cgraph_clone_node): Clone references.
1029         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1030         (struct cgraph_node, varpool_node): Add ref_lst.
1031         * ipa-ref.c: New file.
1032         * ipa-ref.h: New file.
1033         * ipa-ref-inline.h: New file.
1034         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1035         (referenced_from_other_partition_p): New function.
1036         (lto_output_varpool_node): Take set arugment; call
1037         referenced_from_other_partition.
1038         (lto_output_ref): New.
1039         (add_references): New.
1040         (output_refs): New.
1041         (output_cgraph): Compute boundary based on references; output refs.
1042         (output_varpool): Accept cgraph_node_set argument.
1043         (input_ref): New.
1044         (input_refs): New.
1045         (input_cgraph): Call input_refs.
1046         * lto-section-in.c (lto_section_name): Add refs.
1047         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1048         (ipa-ref.o): New file.
1049         * varpool.c (varpool_node): Clear ipa ref list.
1050         (varpool_remove_node): Remove references.
1051         (dump_varpool_node): Dump references.
1052         (varpool_assemble_decl): Only compile finalized ones.
1053         (varpool_extra_name_alias): Initialize ref list.
1054         * lto-streamer.c (lto-get_section_name): Add .refs section.
1055         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1056         (referenced_from_other_partition_p): Declared.
1057
1058 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1059
1060         PR tree-optimization/43901
1061         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1062         type is not NULL if it's transformation phase, and return
1063         FALSE if it's analysis.
1064         (vectorizable_conversion, vectorizable_operation,
1065         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1066
1067 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1068
1069         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1070         Delete.
1071         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1072         New define.
1073         * config/mips/mips-protos.h
1074         (mips_small_register_classes_for_mode_p): Delete prototype.
1075
1076 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1077
1078         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1079         * config/arm/arm.c (multiple_operation_profitable_p,
1080         compute_offset_order): New static functions.
1081         (load_multiple_sequence, store_multiple_sequence): Use them.
1082         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1083         memory offsets, not register numbers.
1084         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1085
1086 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1087
1088         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1089         (get_pending_sizes, put_pending_size, put_pending_sizes):
1090         Update the uses of pending_sizes.
1091         * c-decl.c (store_parm_decls): Likewise.
1092         * c-tree.h (struct c_arg_info): Likewise.
1093         * tree.h: Update the prototype for get_pending_sizes and
1094         put_pending_sizes.
1095
1096 2010-05-05  Jason Merrill  <jason@redhat.com>
1097
1098         PR debug/43370
1099         * c-common.c (handle_aligned_attribute): Respect
1100         ATTR_FLAG_TYPE_IN_PLACE.
1101
1102         PR testsuite/43758
1103         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1104         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1105         (TARGET_INITIALIZER): Use it.
1106         * c-common.c (attribute_takes_identifier_p): Call it.
1107         * c-common.h: Update prototype.
1108         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1109         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1110
1111 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1112
1113         PR debug/43950
1114         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1115         DW_ID_down_case for Fortran compilation units.
1116
1117 2010-05-05  Jan Hubicka  <jh@suse.cz>
1118
1119         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1120         handle aliases.
1121
1122 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1123
1124         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1125         a variable-sized RESULT_DECL.
1126
1127 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1128
1129         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1130
1131 2010-05-05  Jason Merrill  <jason@redhat.com>
1132
1133         PR c++/43787
1134         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1135         returns GS_OK.
1136         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1137
1138 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1139             Jakub Jelinek  <jakub@redhat.com>
1140
1141         PR debug/43478
1142         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1143         (dead_debug_init, dead_debug_finish): New functions.
1144         (dead_debug_add, dead_debug_insert_before): Likewise.
1145         (df_note_bb_compute): Initialize a dead_debug object, add dead
1146         debug uses to it, insert debug bind insns before death insns,
1147         reset debug insns that refer to pending uses at the end.
1148         * rtl.h (make_debug_expr_from_rtl): New prototype.
1149         * varasm.c (make_debug_expr_from_rtl): New function.
1150
1151 2010-05-05  Jan Hubicka  <jh@suse.cz>
1152
1153         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1154         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1155         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1156         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1157         lto_varpool_encoder_encode_initializer_p,
1158         lto_set_varpool_encoder_encode_initializer): New functions.
1159         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1160         call output_varpool.
1161         (input_varpool_node): Do not always set analyzed.
1162         (input_cgraph_1): Return vector of cgraph nodes.
1163         (input_varpool_1): Return vector of varpools.
1164         (input_cgraph): Free the vectors.
1165         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1166         output only initializers needed.
1167         (lto_output): Only call output_cgraph.
1168         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1169         * lto-section-out.c (lto_new_out_decl_state): Initialize
1170         state->varpool_node_encoder.
1171         * lto-streamer.h (lto_varpool_encoder_d): New.
1172         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1173         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1174         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1175         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1176         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1177         Declare.
1178         (output_varpool, input_varpool): Remove declarations.
1179
1180 2010-05-05  Jan Hubicka  <jh@suse.cz>
1181
1182         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1183         with body can prevail.
1184
1185 2010-05-05  Jan Hubicka  <jh@suse.cz>
1186
1187         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1188         size.
1189
1190 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1191
1192         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1193
1194         * gengtype.h (erro_at_line): Constify pos argument.
1195
1196         * gengtype.c: Include hashtab.h.
1197         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1198         (error_at_line): Constify pos argument.
1199         (do_typedef): Initialize p->opt field.
1200         (get_file_gtfilename): Fix comment typo.
1201         (struct walk_type_data): Constify line field.
1202         (get_output_file_for_structure): New function.
1203         (write_local_func_for_structure): Constify orig_s argument.
1204         Use get_output_file_for_structure.
1205         (write_func_for_structure): Use get_output_file_for_structure.
1206         (INDENT): New define.
1207         (dump_pair, dump_type, dump_type_list, dump_typekind)
1208         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1209         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1210         functions.
1211         (seen_types): New variable.
1212         (main): New variable do_dump.  Process "-d" command line option.
1213         Call dump_everything if dump requested.
1214
1215 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1216
1217         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1218         in a temporary instead of invoking the macro multiple times.
1219         (track_expr_p): Likewise.
1220
1221 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1222
1223         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1224         per new semantics.
1225         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1226         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1227         conditions for printing notes.
1228         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1229         true, update documentation.
1230         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1231
1232 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1233
1234         PR c/43981
1235         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1236         on dimen.
1237
1238 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1239
1240         PR target/43799
1241         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1242         (*sse_prologue_save_insn1): Likewise.
1243         (SSE prologue save splitter): Likewise.
1244
1245 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1246
1247         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1248         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1249         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1250         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1251         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1252         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1253         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1254
1255 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1256
1257         * tree-sra.c (build_access_from_expr_1): The first parameter type
1258         changed to simple tree.
1259         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1260         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1261         renamed as well.
1262         (build_accesses_from_assign): Removed all parameters except for a
1263         simple gimple statement.  Now returns a simple bool.
1264         (scan_function): All non-analysis parts moved to separate functions
1265         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1266         parameters and updated both callers.
1267         (sra_modify_expr): Removed parameter data.
1268         (sra_modify_function_body): New function.
1269         (perform_intra_sra): Call sra_modify_function_body to modify the
1270         function body.
1271         (replace_removed_params_ssa_names): Parameter data changed into
1272         adjustments vector.
1273         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1274         changed the parameter dont_convert to convert with the opposite
1275         meaning.
1276         (sra_ipa_modify_assign): Parameter data changed into adjustments
1277         vector, return value changed to bool.
1278         (ipa_sra_modify_function_body): New function.
1279         (sra_ipa_reset_debug_stmts): Updated a comment.
1280         (modify_function): Use ipa_sra_modify_function_body to modify function
1281         body.
1282
1283 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1284
1285         PR middle-end/43671
1286         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1287         (canon_true_dependence): Likewise.
1288         (write_dependence_p): Likewise.
1289
1290 2010-05-04  Jan Hubicka  <jh@suse.cz>
1291
1292         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1293         * cgraphbuild.c: Include ipa-utils.h
1294         (record_reference_ctx): New struct.
1295         (record_reference): Simplify to work on initializers; not statements.
1296         (mark_address, mark_load, mark_store): New.
1297         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1298         walk PHI nodes too.
1299         (record_references_in_initializer): Update use of record_reference.
1300         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1301         walk PHI nodes too.
1302
1303 2010-05-04  Jan Hubicka  <jh@suse.cz>
1304
1305         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1306         node will be removed anyway.
1307         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1308         relink aliases of node into prevailing node.
1309         * varpool.c (varpool_remove_node): Remove aliases properly;
1310         when removing node, remove all its aliases too; remove DECL_INITIAL
1311         of removed node; ggc_free the varpool node.
1312
1313 2010-05-04  Richard Guenther  <rguenther@suse.de>
1314
1315         PR tree-optimization/43879
1316         * tree-ssa-structalias.c (alias_get_name): Use
1317         DECL_ASSEMBLER_NAME if available.
1318         (create_function_info_for): Return the varinfo node.
1319         (ipa_pta_execute): Associate same-body aliases and extra names
1320         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1321
1322 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1323
1324         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1325
1326 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1327
1328         PR bootstrap/43964
1329         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1330         only if HONOR_REG_ALLOC_ORDER is not defined.
1331
1332 2010-05-04  Richard Guenther  <rguenther@suse.de>
1333
1334         PR tree-optimization/43949
1335         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1336         TRUNC_MOD_EXPR.
1337
1338 2010-04-26  Jason Merrill  <jason@redhat.com>
1339
1340         * c.opt (-fstrict-enums): New.
1341         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1342
1343 2010-05-03  David Ung <davidu@mips.com>
1344             James E. Wilson  <wilson@codesourcery.com>
1345
1346         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1347         emit the trap instruction before the divide for TUNE_74K.
1348
1349 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1350
1351         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1352         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1353         based on the above, for new target hook.
1354
1355         * hooks.c (hook_bool_mode_true): New generic hook.
1356         * hooks.h (hook_bool_mode_true): Add prototype.
1357
1358         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1359         target hook.
1360         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1361         target hook, set to hook_bool_mode_false.
1362         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1363         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1364         with targetm.small_register_classes_for_mode_p.
1365         (find_reusable_reload): Likewise.
1366         (combine_reloads): Likewise.
1367         * reload1.c (reload_as_needed): Likewise.
1368         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1369         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1370         dead_or_predicable): Likewise.
1371         * regmove.c (optimize_reg_copy_1): Likewise.
1372         * calls.c (prepare_call_address): Likewise.
1373         (precompute_register_parameters): Likewise.
1374
1375         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1376         hook definition.
1377         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1378         implementation of the hook that considers all register classes
1379         small except for SH64.
1380         (sh_override_options): Use the new hook.
1381         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1382         Add prototype.
1383
1384         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1385         hook definition.
1386         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1387         implementation of the hook that considers all register classes
1388         small for THUMB1.
1389         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1390         Add prototype.
1391
1392         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1393         hook definition.
1394         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1395         implementation of the hook that considers all register classes
1396         small for MIPS16.
1397         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1398         Add prototype.
1399
1400         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1401         hook definition.
1402         * config/m32c/m32c.h: Likewise.
1403         * config/pdp11/pdp11.h: Likewise.
1404         * config/avr/avr.h: Likewise.
1405         * config/xtensa/xtensa.h: Likewise.
1406         * config/m68hc11/m68hc11.h: Likewise.
1407         * config/mn10300/mn10300.h: Likewise.
1408         * config/mcore/mcore.h: Likewise.
1409         * config/h8300/h8300.h: Likewise.
1410         * config/bfin/bfin.h: Likewise.
1411
1412         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1413         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1414
1415 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1416
1417         * double-int.h (tree_to_double_int): Remove macro.
1418         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1419         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1420         (tree_to_double_int): New function.
1421         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1422         Move ...
1423         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1424
1425 2010-05-03  Richard Guenther  <rguenther@suse.de>
1426
1427         PR tree-optimization/43971
1428         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1429         constraints in the !flag_delete_null_pointer_checks case.
1430
1431 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1432
1433         PR debug/43972
1434         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1435         result mode matches original rtl mode.
1436
1437 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1438
1439         PR target/43888
1440         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1441
1442 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1443
1444         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1445         when processing flag options.
1446
1447 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1448
1449         * gcov-iov.c (main): Change format string placeholder
1450         from %#08x to 0x%08x.
1451         * genchecksum.c (dosum): Change format string placeholder
1452         from %#02x to 0x%02x.
1453
1454 2010-05-02  Richard Guenther  <rguenther@suse.de>
1455
1456         PR tree-optimization/43879
1457         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1458
1459 2010-05-02  Bruno Haible  <bruno@clisp.org>
1460
1461         * doc/extend.texi (Function Attributes): Fix a typo.
1462
1463 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1464
1465         Revert:
1466         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1467         placeholder from 0x%x to %#x.
1468         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1469         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1470         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1471         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1472         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1473         * config/i386/i386.c (ix86_target_string): Ditto.
1474         * config/i386/i386.c (output_pic_addr_const): Ditto.
1475         (print_operand): Ditto.
1476
1477 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1478
1479         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1480         placeholder from 0x%x to %#x.
1481         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1482         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1483         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1484         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1485         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1486         * optc-gen.awk: Ditto.
1487         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1488         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1489         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1490         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1491
1492 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1493
1494         * target.h (struct calls): Add function_value_regno_p field.
1495         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1496         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1497         * targhooks.c (default_function_value_regno_p): New function.
1498         * targhooks.h (default_function_value_regno_p): Declare function.
1499         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1500         * builtins.c. (apply_result_size): (Ditto.).
1501         * combine.c. (likely_spilled_retval_p): (Ditto.).
1502         * mode-switching.c. Include 'target.h'.
1503         (create_pre_exit): Use function_value_regno_p hook.
1504         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1505         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1506         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1507
1508         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1509         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1510         (ix86_function_value_regno_p): Declare as static, change argument
1511         type to const unsigned int.
1512         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1513
1514 2010-05-01  Richard Guenther  <rguenther@suse.de>
1515
1516         PR tree-optimization/43949
1517         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1518         types.
1519         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1520
1521 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1522
1523         * rtl.h (CONST_DOUBLE_P): Define.
1524         (rtx_to_double_int): Declare.
1525         * emit-rtl.c (rtx_to_double_int): New function.
1526         * dwarf2out.c (insert_double): New function.
1527         (loc_descriptor, add_const_value_attribute): Clean up, use
1528         rtx_to_double_int and insert_double functions.
1529
1530 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1531
1532         * doc/extend.texi (Inline): Add missing return keyword to examples.
1533         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1534         "command-line".
1535
1536 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1537
1538         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1539         the variable part of the offset as well.  Use highest_pow2_factor for
1540         all alignment checks.
1541
1542 2010-04-30  Richard Guenther  <rguenther@suse.de>
1543
1544         PR tree-optimization/43879
1545         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1546         can have pointers.
1547
1548 2010-04-30  Jan Hubicka  <jh@suse.cz>
1549
1550         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1551         varpool.
1552         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1553
1554 2010-04-30  Jan Hubicka  <jh@suse.cz>
1555
1556         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1557         New.
1558         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1559         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1560         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1561         cgraph_node_set_needs_ltrans_p): Remove.
1562
1563 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1564
1565         * sdbout.c: Include vec.h, do not include varray.h.
1566         (deferred_global_decls, sdbout_global_decl,
1567         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1568         * toplev.c: Do not include varray.h.
1569         (dump_memory_report): Do not dump VARRAY statistics.
1570         * gengtype.c (open_base_file): Ignore varray.h.
1571         * Makefile.in: Update for abovementioned changes.
1572         Remove all traces of varray.c and varray.h.
1573         * varray.c: Remove file.
1574         * varray.h: Remove file.
1575
1576 2010-04-30  Jan Hubicka  <jh@suse.cz>
1577
1578         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1579         references.
1580
1581 2010-04-30  Jan Hubicka  <jh@suse.cz>
1582
1583         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1584         needed.
1585
1586 2010-04-30  Richard Guenther  <rguenther@suse.de>
1587
1588         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1589         constraints for CONSTRUCTOR.
1590
1591 2010-04-30  Richard Guenther  <rguenther@suse.de>
1592
1593         PR lto/43946
1594         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1595         first after all lowering passes.
1596
1597 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1598
1599         * toplev.c: Include varray.h for statistics dumping.
1600         * tree.h: Do not declare varray_head_tag.
1601         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1602         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1603         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1604         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1605         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1606         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1607         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1608         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1609         include varray.h.
1610         * Makefile.in: Update for abovementioned changes.
1611
1612 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1613
1614         PR debug/43942
1615         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1616
1617 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1618
1619         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1620         Use this function to do machine-specific conversion.
1621         (picochip_legitimize_reload_address): Likewise.
1622         (picochip_legitimate_address_p): Check valid base register only if
1623         strict.
1624         (picochip_check_conditional_copy): Check for modw only if opnd is
1625         register.
1626         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1627         to call the function in c.
1628         * config/picochip/picochip-protos.h
1629         (picochip_legitimize_reload_address): Define.
1630         * config/picochip/picochip.md (supported_compare1): Define.
1631
1632 2010-04-30  Jan Hubicka  <jh@suse.cz>
1633
1634         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1635         (cgraph_global_info): Remove inlined.
1636         (LTO_cgraph_tag_names): Remove.
1637         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1638         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1639         simplify cgraph tags and document.
1640         (lto_output_node): Use only LTO_cgraph_unavail_node and
1641         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1642         for_functions_valid, global info, process and output flags.
1643         (input_overwrite_node): Initialize estimated stack size and
1644         estimated growth.  Do not read flags we no longer store.
1645         (input_node): Likewise do not read info no longer stored.
1646         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1647         flag.
1648
1649 2010-04-30  Richard Guenther  <rguenther@suse.de>
1650
1651         PR tree-optimization/43879
1652         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1653         handle non-zero initializers.
1654
1655 2010-04-30  Richard Guenther  <rguenther@suse.de>
1656
1657         * builtins.c (fold_builtin_1): Delete free (0).
1658
1659 2010-04-29  Jan Hubicka  <jh@suse.cz>
1660
1661         * gengtype.c (open_base_files): Add lto-streamer.h
1662         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1663         (pass_ipa_cp): GGC collect.
1664         * toplev. (compile_file): Do not output symbols.
1665         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1666         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1667         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1668         * lto-section-in.c: Include ggc.h
1669         (lto_new_in_decl_state): Alloc in GGC.
1670         (lto_delete_in_decl_state): Likewise.
1671         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1672         Collect.
1673
1674 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1675
1676         PR target/42895
1677         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1678         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1679         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1680         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1681         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1682         account only if HONOR_REG_ALLOC_ORDER is not defined.
1683         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1684         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1685
1686 2010-04-29  Jon Grant  <04@jguk.org>
1687
1688         * collect2.c (vflag): Change type from int to bool.
1689         (debug): Likewise.
1690         (helpflag): New global bool.
1691         (main): Set vflag and debug with boolean, not integer truth values.
1692         Accept new "--help" option and output usage text if found.
1693         * collect2.h (vflag): Update prototype.
1694         (debug): Likewise.
1695
1696 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1697
1698         PR bootstrap/43936
1699         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1700
1701 2010-04-29  Richard Guenther  <rguenther@suse.de>
1702
1703         PR bootstrap/43935
1704         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1705         with ATTRIBUTE_UNUSED.
1706
1707 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1708
1709         PR target/43921
1710         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1711         INSN_P with NONDEBUG_INSN_P.
1712         (distance_non_agu_define): Likewise.
1713         (distance_agu_use): Likewise.
1714
1715 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1716
1717         From Dominique d'Humieres <dominiq@lps.ens.fr>
1718         PR bootstrap/43858
1719         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1720         test_set.
1721
1722 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1723
1724         * plugin.h (invoke_plugin_callbacks): New inline function.
1725         * plugin.c (flag_plugin_added): New global flag.
1726         (add_new_plugin): Initialize above flag.
1727         (invoke_plugin_callbacks): Rename to ...
1728         (invoke_plugin_callbacks_full): ... this.
1729
1730 2010-04-28  Jan Hubicka  <jh@suse.cz>
1731
1732         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1733         (lto_varpool_replace_node): New.
1734         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1735         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1736         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1737         * cgraph.h (varpool_node_ptr): New type.
1738         (varpool_node_ptr): New vector.
1739         (varpool_node_set_def): New structure.
1740         (varpool_node_set): New type.
1741         (varpool_node_set): New vector.
1742         (varpool_node_set_element_def): New structure.
1743         (varpool_node_set_element, const_varpool_node_set_element): New types.
1744         (varpool_node_set_iterator): New type.
1745         (varpool_node): Add prev pointers, add used_from_other_partition,
1746         in_other_partition.
1747         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1748         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1749         varpool_get_node, varpool_remove_node): Declare.
1750         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1751         varpool_node_set_size): New inlines.
1752         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1753         * tree-pass.h (varpool_node_set_def): Forward declare.
1754         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1755         (ipa_write_optimization_summaries): Update prototype.
1756         * ipa-cp.c (ipcp_write_summary): Update.
1757         * ipa-reference.c (ipa_reference_write_summary): Update.
1758         * lto-cgraph.c (lto_output_varpool_node): New static function.
1759         (output_varpool): New function.
1760         (input_varpool_node): New static function.
1761         (input_varpool_1): New function.
1762         (input_cgraph): Input varpool.
1763         * ipa-pure-const.c (pure_const_write_summary): Update.
1764         * lto-streamer-out.c (lto_output): Update, output varpool too.
1765         (write_global_stream): Kill WPA hack.
1766         (produce_asm_for_decls): Update.
1767         (output_alias_pair_p): Handle variables.
1768         (output_unreferenced_globals): Output only needed partition of varpool.
1769         * ipa-inline.c (inline_write_summary): Update.
1770         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1771         cgraph.
1772         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1773         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1774         varpool_node_set_new, varpool_node_set_add,
1775         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1776         debug_varpool_node_set): New functions.
1777         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1778         (execute_one_pass): Process new decls too.
1779         (ipa_write_summaries_2): Pass around vsets.
1780         (ipa_write_summaries_1): Likewise.
1781         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1782         to add.
1783         (ipa_write_optimization_summaries_1): Pass around vsets.
1784         (ipa_write_optimization_summaries): Likewise.
1785         * varpool.c (varpool_get_node): New.
1786         (varpool_node): Update doubly linked lists.
1787         (varpool_remove_node): New.
1788         (dump_varpool_node): More dumping.
1789         (varpool_enqueue_needed_node): Update doubly linked lists.
1790         (decide_is_variable_needed): Kill ltrans hack.
1791         (varpool_finalize_decl): Kill lto hack.
1792         (varpool_assemble_decl): Skip decls in other partitions.
1793         (varpool_assemble_pending_decls): Update doubly linkes lists.
1794         (varpool_empty_needed_queue): Likewise.
1795         (varpool_extra_name_alias): Likewise.
1796         * lto-streamer.c (lto_get_section_name): Add vars section.
1797         * lto-streamer.h (lto_section_type): Update.
1798         (output_varpool, input_varpool): Declare.
1799
1800 2010-04-28  Mike Stump  <mikestump@comcast.net>
1801
1802         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1803
1804 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1805
1806         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1807         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1808         (lto_input_ts_type_tree_pointers): Likewise.
1809         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1810         (lto_output_ts_type_tree_pointers): Likewise.
1811
1812 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1813
1814         Uniquization of constants at the Tree level
1815         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1816         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1817         bit to the end.
1818         (tree_output_constant_def): Declare.
1819         * gimplify.c (gimplify_init_constructor): When using block copy, first
1820         uniquize the constant constructor on the RHS.
1821         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1822         DECL_IN_CONSTANT_POOL flag.
1823         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1824         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1825         constant pool.
1826         (assemble_variable): Deal with symbols belonging to the tree constant
1827         pool.
1828         (get_constant_section): Add ALIGN parameter and simplify.
1829         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1830         (assemble_constant_contents): Use the expression of the VAR_DECL.
1831         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1832         (tree_output_constant_def): New global function.
1833         (mark_constant): Use the expression of the VAR_DECL.
1834         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1835         its expression.
1836         (output_object_block): Likewise and assemble the expression.
1837
1838 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1839
1840         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1841         hash_tree, eq_tree): New tree hash table.
1842         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1843         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1844         lto_orig_address_remove): Reimplement.
1845
1846 2010-04-28  Xinliang David Li  <davidxl@google.com>
1847
1848         PR c/42643
1849         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1850         (compute_uninit_opnds_pos): New function.
1851         (is_non_loop_exit_postdominating): New function.
1852         (compute_control_dep_chain): New function.
1853         (find_pdom): New function.
1854         (convert_control_dep_chain_into_preds): New function.
1855         (find_predicates): New function.
1856         (find_control_equiv_block): New function.
1857         (collect_phi_def_edges): New function.
1858         (find_def_preds): New function.
1859         (find_dom): New function.
1860         (dump_predicates): New function.
1861         (get_cmp_code): New function.
1862         (is_value_included_in): New function.
1863         (find_matching_predicate_in_rest_chains): New function.
1864         (use_pred_not_overlap_with_undef_path_pred): New function.
1865         (is_use_properly_guarded): New function.
1866         (normalize_cond_1): New function.
1867         (is_and_or_or): New function.
1868         (normalize_cond): New function.
1869         (is_gcond_subset_of): New function.
1870         (is_subset_of_any): New function.
1871         (is_or_set_subset_of): New function.
1872         (is_and_set_subset_of): New function.
1873         (is_norm_cond_subset_of): New function.
1874         (is_pred_expr_subset_of): New function.
1875         (is_pred_chain_subset_of): New function.
1876         (is_included_in): New function.
1877         (is_superset_of): New function.
1878         (find_uninit_use): New function.
1879         (warn_uninitialized_phi): New function.
1880         (compute_possibly_undefined_names): New function.
1881         (ssa_undefined_value_p): New function.
1882         (execute_late_warn_uninitialized): New function.
1883         * tree-ssa.c (ssa_undefined_value_p): Removed.
1884         (warn_uninit): Changed to extern.
1885         (warn_uninitialized_phi): Removed.
1886         (warn_uninitialized_vars): Changed to extern.
1887         (execute_late_warn_uninitialized): Removed
1888         * tree-flow.h: Add new prototypes.
1889         * timevar.def: Add new time variable.
1890         * Makefile.in: Add new build file.
1891
1892 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1893
1894         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1895         type if available.
1896
1897 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1898
1899         PR target/22224
1900         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1901
1902 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1903
1904         * cgraph.h (struct cgraph_node): New field indirect_calls.
1905         (struct cgraph_indirect_call_info): New type.
1906         (struct cgraph_edge): Removed field indirect_call. New fields
1907         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1908         (cgraph_create_indirect_edge): Declare.
1909         (cgraph_make_edge_direct): Likewise.
1910         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1911         * ipa-prop.h (struct ipa_param_call_note): Removed.
1912         (struct ipa_node_params): Removed field param_calls.
1913         (ipa_create_all_structures_for_iinln): Declare.
1914         * cgraph.c: Described indirect edges and uids in initial comment.
1915         (cgraph_add_edge_to_call_site_hash): New function.
1916         (cgraph_edge): Search also among the indirect edges, use
1917         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1918         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1919         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1920         site hash.
1921         (initialize_inline_failed): Assign a reason to indirect edges.
1922         (cgraph_create_edge_1): New function.
1923         (cgraph_create_edge): Moved some functionality to
1924         cgraph_create_edge_1.
1925         (cgraph_create_indirect_edge): New function.
1926         (cgraph_edge_remove_callee): Add an assert checking for
1927         non-indirectness.
1928         (cgraph_edge_remove_caller): Special-case indirect edges.
1929         (cgraph_remove_edge): Likewise.
1930         (cgraph_set_edge_callee): New function.
1931         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1932         (cgraph_make_edge_direct): New function.
1933         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1934         the declaration of the call statement matches.
1935         (cgraph_node_remove_callees): Special-case indirect edges.
1936         (cgraph_clone_edge): Likewise.
1937         (cgraph_clone_node): Clone also the indirect edges.
1938         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1939         indirect_call, dump count of indirect_calls edges.
1940         * ipa-prop.c (iinlining_processed_edges): New variable.
1941         (ipa_note_param_call): Create indirect edges instead of
1942         creating notes.  New parameter node.
1943         (ipa_analyze_call_uses): New parameter node, pass it on to
1944         ipa_note_param_call.
1945         (ipa_analyze_stmt_uses): Likewise.
1946         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1947         (print_edge_addition_message): Work on edges rather than on notes.
1948         (update_call_notes_after_inlining): Likewise, renamed to
1949         update_indirect_edges_after_inlining.
1950         (ipa_create_all_structures_for_iinln): New function.
1951         (ipa_free_node_params_substructures): Do not free notes.
1952         (ipa_edge_duplication_hook): Propagate bits within
1953         iinlining_processed_edges bitmap.
1954         (ipa_node_duplication_hook): Do not duplicate notes.
1955         (free_all_ipa_structures_after_ipa_cp): Renamed to
1956         ipa_free_all_structures_after_ipa_cp.
1957         (free_all_ipa_structures_after_iinln): Renamed to
1958         ipa_free_all_structures_after_iinln.
1959         (ipa_write_param_call_note): Removed.
1960         (ipa_read_param_call_note): Removed.
1961         (ipa_write_indirect_edge_info): New function.
1962         (ipa_read_indirect_edge_info): Likewise.
1963         (ipa_write_node_info): Do not stream notes, do stream information
1964         in indirect edges.
1965         (ipa_read_node_info): Likewise.
1966         (lto_ipa_fixup_call_notes): Removed.
1967         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1968         * ipa-inline.c (pass_ipa_inline): Likewise.
1969         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1970         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1971         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1972         is_gimple_call.
1973         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1974         edges.
1975         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1976         (output_cgraph): Stream also indirect edges.
1977         (lto_output_edge): Added capability to stream indirect edges.
1978         (input_edge): Likewise.
1979         (input_cgraph_1): Likewise.
1980         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1981         of indirect edges.
1982
1983 2010-04-28  Richard Guenther  <rguenther@suse.de>
1984
1985         PR tree-optimization/43879
1986         PR tree-optimization/43909
1987         * tree-ssa-structalias.c (struct variable_info): Add
1988         only_restrict_pointers flag.
1989         (new_var_info): Initialize it.  Increment stats.total_vars here.
1990         (create_function_info_for): Do not increment stats.total_vars here.
1991         (get_function_part_constraint): Fix build with C++.
1992         (insert_into_field_list): Remove.
1993         (push_fields_onto_fieldstack): Properly merge fields.
1994         (create_variable_info_for): Split and simplify.
1995         (create_variable_info_for_1): New piece.
1996         (intra_create_variable_infos): Properly make restrict constraints
1997         from parameters.
1998
1999 2010-04-28  Richard Guenther  <rguenther@suse.de>
2000
2001         PR c++/43880
2002         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2003
2004 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2005             Jan Hubicka <hubicka@ucw.cz>
2006
2007         * doc/invoke.texi (-Wsuggest-attribute=const,
2008         -Wsuggest-attribute=pure): Document.
2009         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2010         (function_always_visible_to_compiler_p,
2011         suggest_attribute, warn_function_pure, warn_function_const):
2012         New functions.
2013         (check_call): Improve debug info.
2014         (analyze_function): Do not check availability.
2015         (add_new_function): Check availability.
2016         (propagate): Output warnings.
2017         (skip_function_for_local_pure_const): New function.
2018         (local_pure_const): Use it; output warnings.
2019         * common.opt (Wsuggest-attribute=const,
2020         Wsuggest-attribute=pure): New.
2021
2022 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2023
2024         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2025         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2026         or DW_CFA_def_cfa_offset{,_sf}.
2027
2028 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2029
2030         * tree.h: Fix truncated long macros.
2031
2032 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2033
2034         * collect2.c (TARGET_64BIT): Redefine to target's default.
2035         * tlink.c: Likewise.
2036         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2037         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2038         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2039         for underscoring __USER_LABEL_PREFIX__.
2040         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2041         (SUB_LINK_ENTRY32): New.
2042         (SUB_LINK_ENTRY64): New.
2043         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2044         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2045         (SUB_LINK_ENTRY64): New.
2046         (SUB_LINK_ENTRY): New.
2047         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2048         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2049         x64 target is choosen.
2050         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2051         * configure: Regenerated.
2052         * configure.ac (leading-mingw64-underscores): Option added.
2053
2054 2010-04-27  Jan Hubicka  <jh@suse.cz>
2055
2056         * doc/invoke.texi (-fipa-profile): Document.
2057         * opts.c (decode_options): Enable ipa-profile at -O1.
2058         * timevar.def (TV_IPA_PROFILE): Define.
2059         * common.opt (fipa-profile): Add.
2060         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2061         flag for clones.
2062         (cgraph_propagate_frequency): Handle only local ones.
2063         * tree-pass.h (pass_ipa_profile): Declare.
2064         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2065         (pass_ipa_profile): Use TV_IPA_PROFILE.
2066         * ipa.c (ipa_profile): New function.
2067         (gate_ipa_profile): Likewise.
2068         (pass_ipa_profile): New global variable.
2069         * passes.c (pass_ipa_profile): New.
2070
2071 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2072
2073         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2074
2075 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2076
2077         PR middle-end/43812
2078         * ipa.c (dissolve_same_comdat_group_list): New function.
2079         (function_and_variable_visibility): Call
2080         dissolve_same_comdat_group_list when comdat group contains external or
2081         newly local nodes.
2082         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2083         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2084
2085 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2086
2087         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2088         (const_hash_1) <VECTOR_CST>: New case.
2089         (compare_constant) <VECTOR_CST>: Likewise.
2090         <ADDR_EXPR>: Deal with LABEL_REFs.
2091         (copy_constant) <VECTOR_CST>: New case.
2092
2093 2010-04-27  Jan Hubicka  <jh@suse.cz>
2094
2095         * cgraph.c (cgraph_propagate_frequency): New function.
2096         * cgraph.h (cgraph_propagate_frequency): Declare.
2097         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2098         cgraph_propagate_frequency.
2099
2100 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2101
2102         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2103
2104 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2105
2106         PR target/40657
2107         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2108         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2109         here to determine which regs to push and how much stack to reserve.
2110
2111 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2112
2113         * doc/gimple.texi (gimple_statement_with_ops): Remove
2114         addresses_taken field.
2115         (gimple_statement_with_memory_ops): Likewise.
2116
2117 2010-04-27  Jan Hubicka  <jh@suse.cz>
2118
2119         * tree-inline.c (eni_inlining_weights): Remove.
2120         (estimate_num_insns): Special case more builtins.
2121
2122 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2123
2124         PR c/32207
2125         * c-typeck.c (build_binary_op): Move forward check for comparison
2126         pointer with null pointer constant and adjust the diagnostic message.
2127
2128 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2129
2130         PR lto/42776
2131         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2132         binutils supports extended .section directive needed by LTO, or
2133         warn if older binutils found.
2134         (LTO_BINARY_READER): New AC_SUBST'd variable.
2135         (LTO_USE_LIBELF): Likewise.
2136         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2137         variable.
2138         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2139         (LTO_USE_LIBELF): Likewise.
2140         * configure: Regenerate.
2141
2142         * collect2.c (is_elf): Rename from this ...
2143         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2144          object files in addition to ELF-formatted ones.
2145         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2146         symbol to be prefixed or not by an extra underscore.
2147
2148         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2149         * config/i386/winnt.c: Also #include lto-streamer.h
2150         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2151         LTO named sections.
2152         (i386_pe_asm_output_aligned_decl_common): Add comment.
2153         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2154
2155 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2156
2157         PR target/43889
2158         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2159         Add missing earlyclobber for second alternative.
2160
2161 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2162
2163         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2164         bits for artificial defs at the top of the block.
2165         * fwprop.c (single_def_use_enter_block): Don't call it.
2166
2167 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2168
2169         PR 43715
2170         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2171         instead of "$gcc_cv_objdump -T".
2172         Use "-undefined dynamic_lookup" on darwin.
2173         * gcc/configure: Regenerate.
2174
2175 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2176
2177         PR c/43893
2178         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2179
2180 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2181
2182         * c-parser.c (struct c_token): Move location field up.
2183         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2184         (struct c_declspecs): Convert typespec_word, storage_class, and
2185         default_int_p into bitfields.
2186         (struct c_declarator): Move loc field up.
2187
2188 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2189
2190         * cfgloop.h (struct loop): Move can_be_parallel field up.
2191         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2192         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2193         down.
2194         (struct iv_cand): Convert pos field into a bitfield.
2195         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2196         field up.
2197         (struct _stmt_vec_info): Shuffle fields for better packing.
2198
2199 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2200
2201         * varasm.c (IN_NAMED_SECTION): Remove guard.
2202         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2203         (IN_NAMED_SECTION_P): ...this.
2204         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2205         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2206
2207 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2208
2209         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2210         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2211         of shadowing it.  Fix comments.
2212
2213 2010-04-26  Jan Hubicka  <jh@suse.cz>
2214
2215         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2216         (cgraph_clone_node): Copy function frequency.
2217         * cgraph.h (node_frequency): New enum
2218         (struct cgraph_node): Add.
2219         * final.c (rest_of_clean_state): Update.
2220         * lto-cgraph.c (lto_output_node): Output node frequency.
2221         (input_overwrite_node): Input node frequency.
2222         * tre-ssa-loop-ivopts (computation_cost): Update.
2223         * lto-streamer-out.c (output_function): Do not output function
2224         frequency.
2225         * predict.c (maybe_hot_frequency_p): Update and handle functions
2226         executed once.
2227         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2228         attribute lookup.
2229         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2230         (compute_function_frequency): Set noreturn functions to be executed
2231         once.
2232         (choose_function_section): Update.
2233         * lto-streamer-in.c (input_function): Do not input function frequency.
2234         * function.c (allocate_struct_function): Do not initialize function
2235         frequency.
2236         * function.h (function_frequency): Remove.
2237         (struct function): Remove function frequency.
2238         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2239         (try_update): Update.
2240         * tree-inline.c (initialize_cfun): Do not update function frequency.
2241         * passes.c (pass_init_dump_file): Update.
2242         * i386.c (ix86_compute_frame_layout): Update.
2243         (ix86_pad_returns): Update.
2244
2245 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2246
2247         PR tree-optimization/43833
2248         * tree-vrp.c (range_int_cst_p): New.
2249         (range_int_cst_singleton_p): New.
2250         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2251         when both operands are constants.  Use range_int_cst_p in
2252         BIT_IOR_EXPR case.
2253
2254 2010-04-26  Jan Hubicka  <jh@suse.cz>
2255
2256         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2257
2258 2010-04-26  Richard Guenther  <rguenther@suse.de>
2259
2260         PR lto/43080
2261         * gimple.c (gimple_decl_printable_name): Deal gracefully
2262         with a NULL DECL_NAME.
2263
2264 2010-04-26  Richard Guenther  <rguenther@suse.de>
2265
2266         PR lto/42425
2267         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2268         if emitting debug information and it is either a function
2269         or a namespace decl.
2270
2271 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2272
2273         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2274         determine if the statement is vectorizable, and a macro to access it.
2275         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2276         Skip statements that can't be vectorized. If the analysis fails,
2277         mark the statement as unvectorizable if vectorizing basic block.
2278         (vect_compute_data_refs_alignment): Likewise.
2279         (vect_verify_datarefs_alignment): Skip statements marked as
2280         unvectorizable. Add print.
2281         (vect_analyze_group_access): Skip statements that can't be
2282         vectorized. If the analysis fails, mark the statement as
2283         unvectorizable if vectorizing basic block.
2284         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2285         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2286         generated stmts for SLP.
2287         (new_stmt_vec_info): Initialize the new field.
2288         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2289         statements marked as unvectorizable.
2290
2291 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2292
2293         * c-common.c (flag_isoc1x): New.
2294         (flag_isoc99): Update comment.
2295         * c-common.h (flag_isoc1x): New.
2296         (flag_isoc99): Update comment.
2297         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2298         __<type>_DECIMAL_DIG__.
2299         * c-opts.c (set_std_c1x): New.
2300         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2301         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2302         * c.opt (-std=c1x, -std=gnu1x): New options.
2303         * doc/cpp.texi: Mention -std=c1x.
2304         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2305         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2306         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2307         * doc/standards.texi: Mention C1X.
2308         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2309         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2310         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2311         Define for C1X.
2312
2313 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2314
2315         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2316         placeholder from 0x%x to %#x.
2317         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2318         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2319         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2320         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2321         * config/i386/i386.c (ix86_target_string): Ditto.
2322         (output_pic_addr_const): Ditto.
2323         (print_operand): Ditto.
2324
2325 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2326
2327         * combine.c (find_split_point): Add third argument.  Use it
2328         to find nested multiply-accumulate instructions.  Adjust calls.
2329         (try_combine): Adjust call to find_split_point.
2330
2331 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2332
2333         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2334
2335 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2336
2337         PR tree-optimization/41442
2338         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2339         (fold_binary_loc): Call it.
2340
2341 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2342
2343         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2344         * opts.c (common_handle_option): Allow disabling it.
2345         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2346
2347 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2348
2349         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2350         between modes if both types are integral.
2351
2352 2010-04-23  Richard Guenther  <rguenther@suse.de>
2353
2354         PR tree-optimization/43572
2355         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2356
2357 2010-04-23  Richard Guenther  <rguenther@suse.de>
2358
2359         PR lto/43455
2360         * tree-inline.c (tree_can_inline_p): Also check compatibility
2361         of return types.
2362
2363 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2364
2365         PR tree-optimization/43846
2366         * tree-sra.c (struct access): New flag grp_assignment_read.
2367         (build_accesses_from_assign): Set grp_assignment_read.
2368         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2369         (enum mark_read_status): New type.
2370         (analyze_access_subtree): Propagate grp_assignment_read, create
2371         accesses also if both direct_read and root->grp_assignment_read.
2372
2373 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2374
2375         PR middle-end/43835
2376         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2377         function does not have type attributes.
2378
2379 2010-04-23  Richard Guenther  <rguenther@suse.de>
2380
2381         PR lto/42653
2382         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2383         of FUNCTION_DECLs.
2384
2385 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2386
2387         * sese.h (create_if_region_on_edge): Remove.
2388
2389         * sese.c (create_if_region_on_edge): Make static.
2390
2391         * tree-inline.c: Do not include ggc.h.
2392
2393         * expr.c: Do not include ggc.h.
2394
2395         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2396         dependencies.
2397
2398 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2399
2400         PR target/43744
2401         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2402         in the middle of insns for casesi_worker_2.
2403
2404 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2405
2406         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2407
2408 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2409
2410         PR tree-optimization/43842
2411         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2412         loop unrolling in update of exit phis. Fix comment.
2413         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2414         least two reduction statements in the loop before starting SLP
2415         analysis.
2416
2417 2010-04-22  Nick Clifton  <nickc@redhat.com>
2418
2419         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2420
2421 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2422
2423         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2424         to simplify a + ~a.
2425
2426 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2427
2428         * tree-parloops.c (loop_parallel_p): New argument
2429         parloop_obstack.  Pass it down.
2430         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2431         pass it down, free it.
2432
2433         * tree-loop-linear.c (linear_transform_loops): Pass down
2434         lambda_obstack.
2435
2436         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2437         of type struct obstack *.
2438
2439         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2440         scratch_obstack.  Initialize it, pass down, free it.
2441
2442         * lambda.h (lambda_loop_new): Remove.
2443         (lambda_matrix_new, lambda_matrix_inverse)
2444         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2445         argument of type struct obstack *.
2446
2447         * lambda-trans.c (lambda_trans_matrix_new): New argument
2448         lambda_obstack.  Pass it down, use obstack allocation for ret.
2449         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2450         it down.
2451
2452         * lambda-mat.c (lambda_matrix_get_column)
2453         (lambda_matrix_project_to_null): Remove.
2454         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2455         allocation for mat.
2456         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2457         lambda_obstack.
2458
2459         * lambda-code.c (lambda_loop_new): New function.
2460         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2461         (lambda_compute_auxillary_space, lambda_compute_target_space)
2462         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2463         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2464         (build_access_matrix): New argument lambda_obstack.  Use obstack
2465         allocation for am.
2466         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2467         argument lambda_obstack.  Pass it down.
2468
2469 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2470
2471         * optabs.h (expand_widening_mult): Declare.
2472
2473 2010-04-22  Richard Guenther  <rguenther@suse.de>
2474
2475         PR tree-optimization/43845
2476         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2477         lookup the CALL_EXPR function and arguments.
2478
2479 2010-04-22  Nick Clifton  <nickc@redhat.com>
2480
2481         * config/stormy16/stormy16.c
2482         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2483         * config/stormy16/stormy16.h: Tidy up formatting.
2484         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2485         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2486         (ineqbranchsi): Delete pattern.
2487         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2488         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2489         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2490         stormy16-lib2-ucmpsi2.c.
2491
2492 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2493
2494         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2495         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2496         extra set merge_set_noclobber, and use it to relax the final test
2497         slightly.
2498         * df.h (df_simulate_find_noclobber_defs): Declare.
2499         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2500         conditional defs.
2501         (df_simulate_find_noclobber_defs): New function.
2502
2503 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2504
2505         * config/i386/i386.md: Use {} around multi-line preparation statements.
2506
2507 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2508
2509         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2510         (process_init_element): New argument of type struct obstack *.
2511
2512         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2513         (set_init_index, set_init_label, set_nonincremental_init)
2514         (set_nonincremental_init_from_string, find_init_member)
2515         (output_init_element, output_pending_init_elements)
2516         (process_init_element): New argument braced_init_obstack.  Pass it
2517         down.
2518         (push_range_stack, add_pending_init): New argument
2519         braced_init_obstack.  Use obstack allocation.
2520
2521         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2522         braced_init_obstack.  Pass it down.
2523         (c_parser_braced_init): New variables ret, braced_init_obstack.
2524         Initialize obstack, pass it down and finally free it.
2525
2526 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2527
2528         PR middle-end/29274
2529         * tree-pass.h (pass_optimize_widening_mul): Declare.
2530         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2531         gate_optimize_widening_mul): New static functions.
2532         (pass_optimize_widening_mul): New.
2533         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2534         <case MULT_EXPR>: Remove support for widening multiplies.
2535         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2536         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2537         simplify_gen_unary rather than directly building extensions.
2538         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2539         WIDEN_MULT_EXPR.
2540         * expmed.c (expand_widening_mult): New function.
2541         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2542
2543 2010-04-21  Jan Hubicka  <jh@suse.cz>
2544
2545         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2546         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2547         * lto-wpa-fixup.c: Remove.
2548         * Makefile.in (lto-wpa-fixup.o): Remove.
2549         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2550         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2551         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2552
2553 2010-04-21  Jan Hubicka  <jh@suse.cz>
2554
2555         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2556         add write_optimization_summary, read_optimization_summary.
2557         (ipa_write_summaries_of_cgraph_node_set): Remove.
2558         (ipa_write_optimization_summaries): Declare.
2559         (ipa_read_optimization_summaries): Declare.
2560         * ipa-cp.c (pass_ipa_cp): Update.
2561         * ipa-reference.c (pass_ipa_reference): Update.
2562         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2563         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2564         Update.
2565         * ipa-inline.c (pass_ipa_inline): Update.
2566         * ipa.c (pass_ipa_whole_program): Update.
2567         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2568         * passes.c (ipa_write_summaries_1): Do not test wpa.
2569         (ipa_write_optimization_summaries_1): New.
2570         (ipa_write_optimization_summaries): New.
2571         (ipa_read_summaries): Do not test ltrans.
2572         (ipa_read_optimization_summaries_1): New.
2573         (ipa_read_optimization_summaries): New.
2574
2575 2010-04-21  Jan Hubicka  <jh@suse.cz>
2576
2577         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2578         for boundary nodes.
2579         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2580
2581 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2582
2583         PR debug/40040
2584         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2585         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2586
2587 2010-04-21  Jan Hubicka  <jh@suse.cz>
2588
2589         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2590
2591 2010-04-21  Jan Hubicka  <jh@suse.cz>
2592
2593         * varpool.c (decide_is_variable_needed): Variable is always needed
2594         during ltrans.
2595
2596 2010-04-21  Jan Hubicka  <jh@suse.cz>
2597
2598         * opts.c (decode_options): Enable pure-const pass for whopr.
2599
2600 2010-04-21  Jan Hubicka  <jh@suse.cz>
2601
2602         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2603         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2604         at WPA dumping.
2605         (cgraph_decide_inlining): Do not expect callee to be removed in all
2606         cases.
2607
2608 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2609
2610         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2611
2612 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2613
2614         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2615         amdfam10_decode attributes.
2616
2617 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2618
2619         PR middle-end/43570
2620         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2621         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2622         (lower_copyprivate_clauses): Use private var in outer
2623         context instead of original var.  Make sure the types
2624         are correct for VLAs.
2625
2626 2010-04-21  Richard Guenther  <rguenther@suse.de>
2627
2628         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2629         to non-pointer objects.
2630
2631 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2632
2633         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2634         last chain entry if it starts with the still current label.
2635         (add_location_or_const_value_attribute): Check that
2636         loc_list->first->next is NULL instead of comparing ->first with ->last.
2637         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2638         to add_var_loc_to_decl.
2639
2640         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2641         >= 4 add also address size and segment size fields into CIE header.
2642
2643         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2644         long as address size is the same as sizeof (void *) and
2645         segment size is 0.
2646         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2647         address size or segment size is unexpected, return DW_EH_PE_omit.
2648         (classify_object_over_fdes): If get_cie_encoding returned
2649         DW_EH_PE_omit, return -1.
2650         (init_object): If classify_object_over_fdes returned -1,
2651         pretend there were no FDEs at all.
2652
2653 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2654
2655         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2656         bswap{si,di}2 using SWI48 mode iterator.
2657         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2658         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2659         set modrm attribute of bswap insn to 0 and remove length attribute.
2660         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2661         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2662         set mode attribute to <MODE> and remove length attribute.
2663
2664 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2665
2666         PR rtl-optimization/43520
2667         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2668         zero available registers.
2669
2670 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2671
2672         * builtins.c (fold_builtin_cproj): Fold more cases.
2673
2674 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2675
2676         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2677         (fold_builtin_1): Fold builtin cproj.
2678         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2679         Use ATTR_CONST_NOTHROW_LIST.
2680
2681 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2682
2683         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2684         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2685         ffsi2_no_cmove for !TARGET_CMOVE.
2686         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2687         (ffssi2): Remove expander.
2688         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2689         mode iterator.
2690         (ctz<mode>2): Ditto from ctz{si,di}2.
2691         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2692         mode iterator.
2693         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2694         mode iterator.
2695
2696 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2697
2698         * dwarf2out.c (AT_linkage_name): Define.
2699         (clone_as_declaration): Handle DW_AT_linkage_name.
2700         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2701         of DW_AT_MIPS_linkage_name.
2702         (move_linkage_attr): Likewise.
2703         (dwarf2out_finish): Likewise.
2704
2705 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2706
2707         PR middle-end/41952
2708         * fold-const.c (fold_comparison): New folding rule.
2709
2710 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2711
2712         * double-int.h (double_int_setbit): Declare.
2713         * double-int.c (double_int_setbit): New function.
2714         * rtl.h (immed_double_int_const): Declare.
2715         * emit-rtl.c (immed_double_int_const): New function.
2716         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2717         and immed_double_int_const functions.
2718         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2719         expand_copysign_bit):  (Ditto.).
2720         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2721         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2722         * dojump.c (prefer_and_bit_test): (Ditto.).
2723         * expr.c (convert_modes, reduce_to_bit_field_precision,
2724         const_vector_from_tree): (Ditto.).
2725         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2726
2727 2010-04-20  Jan Hubicka  <jh@suse.cz>
2728
2729         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2730         (dump_cgraph_node): Dump new flags.
2731         * cgraph.h (struct cgraph_node): Add flags
2732         reachable_from_other_partition and in_other_partition.
2733         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2734         other partition can not be removed.
2735         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2736         the other partition must be output; silence sanity checking on
2737         leaking functions bodies from other paritition.
2738         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2739         (lto_output_node): Output new flags; do not sanity check that inline
2740         clones are output; drop lto_forced_extern_inline_p code; do not mock
2741         visibility flags at partition boundaries.
2742         (add_node_to): New function.
2743         (output_cgraph): Use it to sort functions so masters appear before
2744         clones.
2745         (input_overwrite_node): Input new flags.
2746         * passes.c (ipa_write_summaries): Do not call
2747         lto_new_extern_inline_states.
2748         * lto-section-out.c (forced_extern_inline,
2749         lto_new_extern_inline_states lto_delete_extern_inline_states,
2750         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2751         * lto-streamer.h (lto_new_extern_inline_states,
2752         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2753         lto_forced_extern_inline_p): Kill.
2754
2755 2010-04-20  Richard Guenther  <rguenther@suse.de>
2756
2757         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2758         from vars that can have pointers.
2759         (process_constraint): Dump useless constraints.
2760
2761 2010-04-20  Richard Guenther  <rguenther@suse.de>
2762
2763         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2764         (dump_sa_points_to_info): Remove asserts.
2765         (init_base_vars): nothing_id isn't an escape point nor does it
2766         have pointers.
2767
2768 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2769
2770         * tree.h (TYPE_REF_IS_RVALUE): Define.
2771         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2772         should_move_die_to_comdat, prune_unused_types_walk): Handle
2773         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2774         (modified_type_die, gen_reference_type_die): Emit
2775         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2776         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2777
2778 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2779
2780         PR target/43635
2781         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2782         calls for -fpic -m31 if they have been sibcall optimized.
2783
2784 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2785
2786         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2787         ar.lc fixed and call-used.
2788
2789         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2790
2791 2010-04-19  Jan Hubicka  <jh@suse.cz>
2792
2793         * opts.c (decode_options): Disable whpr incompatible passes.
2794         * lto/lto.c (lto_1_to_1_map): Skip clones.
2795         (read_cgraph_and_symbols): Do not mark everything as needed.
2796         (do_whole_program_analysis): Do map only after optimizing;
2797         set proper cgraph_state; use passmanager.
2798
2799 2010-04-19  DJ Delorie  <dj@redhat.com>
2800
2801         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2802         POINTER_PLUS_EXPR and fix them.
2803
2804 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2805
2806         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2807         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2808         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2809         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2810         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2811         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2812         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2813         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2814         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2815         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2816         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2817
2818 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2819
2820         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2821         (check_cond_move_block): Likewise.
2822         (cond_move_process_if_block): Likewise.
2823         (noce_find_if_block): Improve formatting.
2824         (find_if_header): Pass 0 to memset and tweak conditions.
2825         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2826
2827 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2828
2829         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2830         for -gdwarf-4.
2831
2832         PR middle-end/43337
2833         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2834         with non-local decl doesn't need chain.
2835
2836 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2837
2838         * ira-color.c (allocno_reload_assign): Avoid accumulating
2839         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2840
2841 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2842
2843         * gimple.h (create_tmp_reg): Declare.
2844         * gimplify.c (create_tmp_reg): New function.
2845         (gimplify_return_expr): Use create_tmp_reg.
2846         (gimplify_omp_atomic): Likewise.
2847         (gimple_regimplify_operands): Likewise.
2848         * tree-dfa.c (make_rename_temp): Likewise.
2849         * tree-predcom.c (predcom_tmp_var): Likewise.
2850         (reassociate_to_the_same_stmt): Likewise.
2851         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2852         (get_replaced_param_substitute): Likewise.
2853         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2854         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2855         * tree-ssa-pre.c (get_representative_for): Likewise.
2856         (create_expression_by_pieces): Likewise.
2857         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2858         (create_tailcall_accumulator): Likewise.
2859
2860 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2861
2862         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2863         new_stmt.
2864         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2865
2866 2010-04-19  Richard Guenther  <rguenther@suse.de>
2867
2868         PR tree-optimization/43796
2869         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2870         from SCEV in the lattice.
2871         (vrp_visit_phi_node): Dump change.
2872
2873 2010-04-19  Richard Guenther  <rguenther@suse.de>
2874
2875         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2876         * configure: Re-generated.
2877
2878 2010-04-19  Richard Guenther  <rguenther@suse.de>
2879
2880         PR tree-optimization/43783
2881         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2882         constant ARRAY_REF operands two and three if possible.
2883
2884 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2885
2886         PR target/43766
2887         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2888
2889 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2890
2891         PR target/43662
2892         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2893
2894 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2895
2896         PR tree-optimization/37027
2897         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2898         and macro to access it.
2899         (vectorizable_reduction): Add argument.
2900         (vect_get_slp_defs): Likewise.
2901         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2902         statements for possible use in SLP.
2903         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2904         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2905         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2906         add new argument.
2907         (vectorizable_reduction): Likewise.
2908         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2909         vect_get_slp_defs.
2910         (vectorizable_type_demotion, vectorizable_type_promotion,
2911         vectorizable_store): Likewise.
2912         (vect_analyze_stmt): Update call to vectorizable_reduction.
2913         (vect_transform_stmt): Likewise.
2914         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2915         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2916         from different interleaving chains in same node.
2917         (vect_slp_rearrange_stmts): New function.
2918         (vect_supported_load_permutation_p): Allow load permutations for
2919         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2920         inside SLP nodes if necessary.
2921         (vect_analyze_slp_instance): Handle reductions.
2922         (vect_analyze_slp): Try to build SLP instances originating from groups
2923         of reductions.
2924         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2925         (vect_get_constant_vectors): Create initial vectors for reductions
2926         according to reduction code. Add new argument.
2927         (vect_get_slp_defs): Add new argument, pass it to
2928         vect_get_constant_vectors.
2929         (vect_schedule_slp_instance): Remove SLP tree root statements.
2930
2931 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2932
2933         * tree.h (ENUM_IS_SCOPED): Define.
2934         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2935         for ENUM_IS_SCOPED enums.
2936
2937 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2938
2939         * fold-const.c (fold_comparison): Use ssizetype.
2940         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2941         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2942         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2943         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2944
2945         * tree.h (initialize_sizetypes): Remove parameter.
2946         (build_common_tree_nodes): Remove second parameter.
2947         * stor-layout.c (initialize_sizetypes): Remove parameter.
2948         Always create an unsigned type.
2949         (set_sizetype): Assert that the passed type is unsigned and simplify.
2950         * tree.c (build_common_tree_nodes): Remove second parameter.
2951         Adjust call to initialize_sizetypes.
2952         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2953         build_common_tree_nodes.
2954
2955 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2956
2957         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2958
2959 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2960
2961         PR tree-optimization/43771
2962         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2963         load permutation doesn't have gaps.
2964
2965 2010-04-18  Jan Hubicka  <jh@suse.cz>
2966
2967         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2968         (sse_prologue_save_insn expander): Use new pattern.
2969         (sse_prologue_save_insn1): New pattern and splitter.
2970         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2971         blocks.
2972         * i386.c (setup_incoming_varargs_64): Do not compute jump
2973         destination here.
2974         (ix86_gimplify_va_arg): Update alignment needed.
2975         (ix86_local_alignment): Do not align all local arrays to 128bit.
2976
2977 2010-04-17  Jan Hubicka  <jh@suse.cz>
2978
2979         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2980
2981 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2982
2983         * arm.md (negdi2): Remove redundant code to force values into a
2984         register.
2985
2986 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2987
2988         * arm/bpabi.S: Add EABI alignment attributes to objects.
2989         * arm/bpabi-v6m.S: Likewise.
2990         * arm/crti.asm: Likewise.
2991         * arm/crtn.asm: Likewise.
2992         * arm/lib1funcs.asm: Likewise.
2993         * arm/libunwind.S: Likewise.
2994
2995 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2996
2997         * arm-protos.h (tune_params): New structure.
2998         * arm.c (current_tune): New variable.
2999         (arm_constant_limit): Delete.
3000         (struct processors): Add pointer to the tune parameters.
3001         (arm_slowmul_tune): New tuning option.
3002         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3003         (all_cores): Adjust to pick up the tuning model.
3004         (arm_constant_limit): New function.
3005         (arm_override_options): Select the appropriate tuning model.  Delete
3006         initialization of arm_const_limit.
3007         (arm_split_constant): Use the new constant-limit model.
3008         (arm_rtx_costs): Pick up the current tuning model.
3009         * arm.md (is_strongarm, is_xscale): Delete.
3010         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3011         for Xscale variant architectures.
3012         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3013
3014 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3015
3016         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3017         can_shift.
3018         (arm_rtx_costs_1): Remove unused variable extra_cost.
3019         (arm_unwind_emit_set): Use variable offset.
3020         (thumb1_output_casesi): Remove unused variable flags.
3021
3022 2010-04-16  Jeff Law  <law@redhat.com>
3023
3024         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3025         needing assignment rather than doing a two-phase assignment.  Remove
3026         unused variable 'm'.
3027
3028 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3029
3030         PR bootstrap/43767
3031         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3032
3033 2010-04-16  Doug Kwan  <dougkwan@google.com>
3034
3035         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3036         (next_operand_entry_id): New static variable.
3037         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3038         (add_to_ops_vec): Assigned unique ID to operand entry.
3039         (struct oecount_s): New field ID.
3040         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3041         (undistribute_ops_list): Assign unique IDs to oecounts.
3042         (init_reassoc): reset next_operand_entry_id.
3043
3044 2010-04-16  Doug Kwan  <dougkwan@google.com>
3045
3046         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3047         missing left parenthesis.
3048
3049 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3050
3051         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3052         *btdi_rex64 using SWI48 mode iterator.
3053         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3054         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3055         *jcc_btdi_mask_rex64.
3056
3057 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3058
3059         * double-int.h (tree_to_double_int): Convert to macro.
3060         * double-int.c (tree_to_double_int): Remove.
3061
3062 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3063
3064         PR debug/43762
3065         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3066         with want_address 2 and in case a single element list might be
3067         possible, call it again with want_address 0.
3068
3069 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3070
3071         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3072         case 'W' print operands for HI mode.
3073         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3074         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3075         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3076         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3077
3078         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3079
3080         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3081         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3082         #xx:3 and #xx:4 mode.
3083
3084         * config/h8300/h8300.md (inverted load with HImode dest): Add
3085         support for H8300SX.
3086
3087         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3088         satisfy 'U' constraint.
3089
3090 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3091
3092         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3093         * configure: Regenerate.
3094         * config.in: Regenerate.
3095         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3096         works.
3097
3098 2010-04-16  Richard Guenther  <rguenther@suse.de>
3099
3100         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3101         (struct tree_decl_common): ... here.
3102         (DECL_PT_UID): Adjust.
3103         (SET_DECL_PT_UID): Likewise.
3104         (DECL_PT_UID_SET_P): Likewise.
3105
3106 2010-04-16  Richard Guenther  <rguenther@suse.de>
3107
3108         PR tree-optimization/43572
3109         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3110         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3111         * tree-flow.h (is_call_clobbered): Remove.
3112         * tree-flow-inline.h (is_call_clobbered): Likewise.
3113         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3114         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3115         (execute_return_slot_opt): Adjust.
3116         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3117         check for call clobbered vars here.
3118         (find_tail_calls): Move tailcall verification to the
3119         proper place.
3120
3121 2010-04-16  Diego Novillo  <dnovillo@google.com>
3122
3123         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3124
3125 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3126
3127         PR target/40603
3128         * config/arm/arm.md (cbranchqi4): New pattern.
3129         * config/arm/predicates.md (const0_operand,
3130         cbranchqi4_comparison_operator): New predicates.
3131
3132 2010-04-16  Richard Guenther  <rguenther@suse.de>
3133
3134         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3135         (dump_gimple_stmt): Likewise.
3136
3137 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3138
3139         * recog.h (struct recog_data): New field is_operator.
3140         (struct insn_operand_data): New field is_operator.
3141         * recog.c (extract_insn): Set recog_data.is_operator.
3142         * genoutput.c (output_operand_data): Emit code to set the
3143         is_operator field.
3144         * reload.c (find_reloads): Use it rather than testing for an
3145         empty constraint string.
3146
3147         PR target/41514
3148         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3149         If the previous insn is a cbranchsi4_insn with the same arguments,
3150         omit the compare instruction.
3151
3152         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3153         register, inputs must be low registers and we need a low register
3154         scratch.  Handle alternative 2 like alternative 3.
3155
3156 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3157
3158         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3159         don't call get_addr on both.  If one expression is a VALUE and
3160         the other a REG, check VALUE's locs if the REG isn't among them.
3161
3162 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3163
3164         * config/sh/sh.h (sh_frame_pointer_required): New function.
3165         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3166         (flag_omit_frame_pointer) Set.
3167         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3168         (rounded_frame_size): Adjust size with outgoing_args_size.
3169         (sh_set_return_address): Must return from stack pointer.
3170         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3171         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3172         (ACCUMULATE_OUTGOING_ARGS): Define.
3173         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3174         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3175
3176 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3177
3178         PR target/43471
3179         * config/sh/sh.c (sh_legitimize_reload_address): Use
3180         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3181         Remove a unneeded check for offset_base.
3182
3183 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3184
3185         * configure: Regenerated.
3186
3187 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3188
3189         * config/s390/s390.c (s390_call_save_register_used): Switch back
3190         to HARD_REGNO_NREGS.
3191
3192 2010-04-15  Richard Guenther  <rguenther@suse.de>
3193
3194         * alias.c (alias_set_subset_of): Handle alias-set zero
3195         child properly.
3196
3197 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3198             Julian Brown  <julian@codesourcery.com>
3199
3200         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3201         alternatives according to use of high and low regs.
3202         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3203         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3204         optimizing for size on Thumb-2.
3205
3206 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3207
3208         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3209
3210 2010-04-15  Richard Guenther  <rguenther@suse.de>
3211
3212         * tree-ssa-structalias.c (struct variable_info): Add
3213         is_fn_info flag.
3214         (new_var_info): Initialize it.
3215         (dump_constraints): Support printing last added constraints.
3216         (debug_constraints): Adjust.
3217         (dump_constraint_graph): Likewise.
3218         (make_heapvar_for): Check for NULL cfun.
3219         (get_function_part_constraint): New function.
3220         (get_fi_for_callee): Likewise.
3221         (find_func_aliases): Properly implement IPA PTA constraints.
3222         (process_ipa_clobber): New function.
3223         (find_func_clobbers): Likewise.
3224         (insert_into_field_list_sorted): Remove.
3225         (create_function_info_for): Properly allocate vars for IPA mode.
3226         Do not use insert_into_field_list_sorted.
3227         (create_variable_info_for): Properly generate constraints for
3228         global vars in IPA mode.
3229         (dump_solution_for_var): Always dump the solution.
3230         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3231         (find_what_var_points_to): Adjust.
3232         (pt_solution_set): Change.
3233         (pt_solution_ior_into): New function.
3234         (pt_solution_empty_p): Export.
3235         (pt_solution_includes_global): Adjust.
3236         (pt_solution_includes_1): Likewise.
3237         (pt_solutions_intersect_1): Likewise.
3238         (dump_sa_points_to_info): Check some invariants.
3239         (solve_constraints): Move constraint dumping ...
3240         (compute_points_to_sets): ... here.
3241         (ipa_pta_execute): ... and here.
3242         (compute_may_aliases): Do not re-compute points-to info
3243         locally if IPA info is available.
3244         (ipa_escaped_pt): New global var.
3245         (ipa_pta_execute): Properly implement IPA PTA.
3246         * tree-into-ssa.c (dump_decl_set): Support dumping
3247         decls not in referenced-vars.
3248         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3249         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3250         (dump_points_to_solution): Likewise.
3251         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3252         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3253         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3254         (copy_decl_to_var): Copy DECL_PT_UID.
3255         (copy_result_decl_to_var): Likewise.
3256         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3257         (copy_node_stat): Copy it.
3258         * tree.h (DECL_PT_UID): New macro.
3259         (SET_DECL_PT_UID): Likewise.
3260         (DECL_PT_UID_SET_P): Likewise.
3261         (struct tree_decl_minimal): Add pt_uid member.
3262         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3263         (pt_solution_empty_p): Declare.
3264         (pt_solution_set): Adjust.
3265         (ipa_escaped_pt): Declare.
3266         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3267         * gimple-pretty-print.c (pp_points_to_solution): New function.
3268         (dump_gimple_call): Dump call clobber/use information.
3269         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3270         * tree-pass.h (TDF_ALIAS): New dump option.
3271         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3272         * doc/invoke.texi (-fipa-pta): Update documentation.
3273
3274 2010-04-15  Richard Guenther  <rguenther@suse.de>
3275
3276         * Makefile.in (OBJS-common): Add gimple-fold.o.
3277         (gimple-fold.o): New rule.
3278         * tree.h (maybe_fold_offset_to_reference,
3279         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3280         prototypes ...
3281         * gimple.h: ... here.
3282         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3283         may_propagate_address_into_dereference): Move prototypes ...
3284         * gimple.h: ... here.
3285         * tree-ssa-ccp.c (get_symbol_constant_value,
3286         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3287         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3288         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3289         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3290         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3291         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3292         gimplify_and_update_call_from_tree): Move ...
3293         * gimple-fold.c: ... here.  New file.
3294         (ccp_fold_builtin): Rename to ...
3295         (gimple_fold_builtin): ... this.
3296         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3297
3298 2010-04-15  Richard Guenther  <rguenther@suse.de>
3299
3300         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3301         fit_double_type, force_fit_type_double, add_double_with_sign,
3302         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3303         lrotate_double, rrotate_double, div_and_round_double): Move ...
3304         * double-int.c: ... here.
3305         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3306         add_double, neg_double, mul_double_with_sign, mul_double,
3307         lshift_double, rshift_double, lrotate_double, rrotate_double,
3308         div_and_round_double): Move prototypes ...
3309         * double-int.h: ... here.
3310
3311 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3312
3313         PR target/43742
3314         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3315         matching constraints to ensure inputs match the output.
3316
3317 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3318
3319         PR target/43742
3320         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3321         in an input-only operand.
3322
3323 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3324
3325         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3326         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3327         (double_int_negative_p): Convert to static inline function.
3328         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3329         (double_int_negative_p): Remove.
3330         * tree.h (lshift_double, rshift_double):
3331         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3332         * fold-const.c (fold_convert_const_int_from_real,
3333         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3334         (lshift_double): Change type of arith argument to bool.
3335         (rshift_double): Change type of arith argument to bool. Correct
3336         comment.
3337         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3338
3339 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3340
3341         PR target/21803
3342         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3343         at the start and end of the then/else blocks, and omit them from the
3344         conversion.
3345         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3346         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3347         (flow_find_head_matching_sequence): New function.
3348         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3349         * basic-block.h (flow_find_cross_jump,
3350         flow_find_head_matching_sequence): Declare functions.
3351
3352 2010-04-14  Jason Merrill  <jason@redhat.com>
3353
3354         PR c++/36625
3355         * c-common.c (attribute_takes_identifier_p): New fn.
3356         * c-common.h: Declare it.
3357
3358 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3359
3360         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3361         splitter condition.
3362         (*udivmod<mode>4): Ditto.
3363
3364 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3365
3366         * config/i386/i386.md (maxmin_int): Rename code attribute from
3367         maxminiprefix and update all users.
3368         (maxmin_float): Ditto from maxminfprefix.
3369         (logic): Ditto from logicprefix.
3370         (absneg_mnemonic): Ditto from absnegprefix.
3371         * config/i386/mmx.md: Update all users of maxminiprefix,
3372         maxminfprefix and logicprefix for rename.
3373         * config/i386/sse.md: Ditto.
3374         * config/i386/sync.md (sync_<code><mode>): Update for
3375         logicprefix rename.
3376
3377 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3378
3379         PR 42966
3380         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3381         warnings converted to errors.
3382
3383 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3384
3385         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3386         used insn_type variable.
3387         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3388         to avoid set-but-not-used warning.
3389
3390 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3391
3392         * df-core.c (df_ref_debug): Change format string placeholder
3393         from 0x%x to %#x.
3394         * dwarf2asm.c (dw2_asm_output_data_raw,
3395         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3396         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3397         * dwarf2out.c (output_cfi, output_cfi_directive,
3398         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3399         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3400         Ditto.
3401         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3402         * print-rtl.c (print_rtx): Ditto.
3403
3404 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3405
3406         PR middle-end/42694
3407         * builtins.c (expand_builtin_pow_root): New function to expand pow
3408         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3409         series of sqrt and cbrt calls under -ffast-math.
3410         (expand_builtin_pow): Call it.
3411
3412 2010-04-14  Michael Matz  <matz@suse.de>
3413
3414         PR tree-optimization/42963
3415         * tree-cfg.c (touched_switch_bbs): New static variable.
3416         (group_case_labels_stmt): New function broken out from ...
3417         (group_case_labels): ... here, use the above.
3418         (start_recording_case_labels): Allocate touched_switch_bbs.
3419         (end_recording_case_labels): Deallocate it, call
3420         group_case_labels_stmt.
3421         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3422
3423 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3424
3425         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3426         from insn template.
3427
3428 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3429
3430         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3431
3432 2010-04-13  Jan Hubicka  <jh@suse.cz>
3433
3434         * ipa-inline.c (cgraph_mark_i