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1 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
2
3         * config.gcc: Add support for --with-cpu option for bdver1.
4         * config/i386/i386.h (TARGET_BDVER1): New macro.
5         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
6         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
7         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
8         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
9         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
10         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
11         (processor_type): Add PROCESSOR_BDVER1.
12         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
13         processor_type in config/i386/i386.h.
14         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
15         movaps <reg, reg> instead of movapd <reg, reg> when replacing
16         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
17         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
18         to emit packed xor instead of packed double/packed integer
19         xor for SSE and AVX when moving a zero value.
20         * config/i386/sse.md: Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
21          to emit movaps instead of movapd/movdqa for SSE and AVX.
22         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single
23         logical operations i.e and, or and xor instead of packed double logical
24         operations for SSE and AVX. 
25         * config/i386/i386-c.c: 
26         (ix86_target_macros_internal): Add PROCESSOR_BDVER1.
27         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
28         (has_fma4, has_xop): New.
29         * config/i386/i386.c (bdver1_cost): New variable.
30         (m_BDVER1): New macro.
31         (m_AMD_MULTIPLE): Add m_BDVER1.
32         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
33          x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
34          x86_tune_use_simode_fiop, x86_tune_promote_qimode, 
35          x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
36          x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
37          x86_tune_sse_partial_reg_dependency, x86_tune_sse_unaligned_load_optimal,
38          x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
39          x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
40          x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
41          x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
42          x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch): 
43         Enable/disable for bdver1.
44         (processor_target_table): Add bdver1_cost.
45         (cpu_names): Add bdver1.
46         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
47          processor_alias_table.
48         (ix86_expand_vector_move_misalign): Change 
49          TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
50          Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
51          Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
52          of movupd/movdqu for SSE and AVX.
53         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
54         (ix86_tune_adjust_cost): Add code for bdver1.
55         (standard_sse_constant_opcode): Add check for
56         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
57         of packed double xor for SSE and AVX.
58
59 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
60
61         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
62         result to unsigned.
63
64 2010-05-14  Tristan Gingold  <gingold@adacore.com>
65
66         * toplev.c (default_debug_hooks): Remove this variable.
67         (process_options): Remove assignments to default_debug_hooks.
68
69 2010-05-14  Martin Jambor  <mjambor@suse.cz>
70
71         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
72         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
73         * langhooks.h (struct lang_hooks_for_decls): Removed field
74         fold_obj_type_ref.
75         * tree.c (free_lang_data): Remove assignment to
76         lang_hooks.fold_obj_type_ref.
77         * tree.def (OBJ_TYPE_REF): Update comment.
78
79 2010-05-14  Richard Guenther  <rguenther@suse.de>
80
81         PR tree-optimization/44124
82         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
83
84 2010-05-14  Alan Modra  <amodra@gmail.com>
85
86         PR target/44075
87         * config/rs6000/rs6000.c (struct machine_function): Reorder
88         fields for better packing.  Add lr_save_state.
89         (rs6000_ra_ever_killed): Return lr_save_state if set.
90         (rs6000_emit_eh_reg_restore): Set lr_save_state.
91
92 2010-05-13  Jan Hubicka  <jh@suse.cz>
93
94         * varpool.c (decide_is_variable_needed): Drop code checking
95         TREE_SYMBOL_REFERENCED.
96
97 2010-05-13  Jan Hubicka  <jh@suse.cz>
98
99         * final.c (output_addr_const): Do not call mark_decl_referenced.
100         * cgraphunit.c (process_function_and_variable_attributes): Use
101         mark_needed_node dirrectly.
102         (assemble_thunk): Do not call mark_decl_referenced.
103
104 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
105
106         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
107
108 2010-05-13  Jeff Law  <law@redhat.com>
109
110         * ira-conflicts.c (print_allocno_conflicts): New function broken out
111         from...
112         (print_conflicts): Call print_allocno_conflicts.
113
114 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
115
116         PR debug/44104
117         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
118         if it is NULL.
119
120 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
121
122         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
123         t-mingw-w64 or t-mingw-w32 for multilib configuration.
124         * config/i386/t-mingw-w32: New.
125         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
126         
127 2010-05-13  Martin Jambor  <mjambor@suse.cz>
128
129         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
130         gimple-fold.c).
131         * gimple-fold.c (get_base_binfo_for_type): New function.
132         (gimple_get_relevant_ref_binfo): Likewise.
133         (gimple_fold_obj_type_ref_known_binfo): Likewise.
134         (gimple_fold_obj_type_ref): Likewise.
135         (fold_gimple_call): Simplify condition for folding virtual calls
136         and call gimple_fold_obj_type_ref.
137         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
138         (gimple_fold_obj_type_ref_known_binfo): Likewise.
139
140 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
141
142         * config/rs6000/rs6000-protos.h
143         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
144         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
145         (rs6000_debug_mode_dependent_address)
146         (rs6000_mode_dependent_address_ptr): Likewise.
147
148 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
149
150         PR debug/43983
151         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
152         by SRA.
153         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
154         * tree-sra.c (create_access_replacement): Call unshare_expr before
155         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
156         it.
157         * dwarf2out.c: Include tree-flow.h.
158         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
159         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
160         Handle DW_OP_bit_piece.
161         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
162         construct_piece_list, adjust_piece_list): New functions.
163         (add_var_loc_to_decl): Handle SRA optimized variables.
164         Adjust for var_loc_note to loc field renaming.
165         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
166         in VAR_LOCATION note.
167         (new_loc_descr_op_bit_piece): New function.
168         (dw_sra_loc_expr): New function.
169         (dw_loc_list): Use it.  Don't handle the last range after the
170         loop, handle it inside of the loop.  Adjust for var_loc_note
171         to loc field renaming.
172         (add_location_or_const_value_attribute): Only special case
173         single entry loc lists if loc is NOTE_P.  Adjust for
174         var_loc_note to loc field renaming.
175         (dwarf2out_var_location): Don't set newloc->var_loc_note
176         and newloc->next here.
177
178 2010-05-12  Jan Hubicka  <jh@suse.cz>
179
180         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
181         flag.
182         * cgraph.h (cgraph_only_called_directly_p,
183         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
184         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
185         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
186         (assemble
187         * ipa.c (cgraph_remove_unreachable_nodes): Use
188         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
189         flags.
190         * tree-inline.c (copy_bb): Check address_taken flag.
191         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
192         externally_visible flag.
193
194 2010-05-12  Jason Merrill  <jason@redhat.com>
195
196         PR bootstrap/44048
197         PR target/44099
198         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
199         * sdbout.c (plain_type_1): Likewise.
200         * dwarf2out.c (is_base_type): Likewise.
201         (gen_type_die_with_usage): Likewise.  Generate
202         DW_TAG_unspecified_type for any LANG_TYPE.
203
204 2010-05-12  Jan Hubicka  <jh@suse.cz>
205
206         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
207         indrect edges too.
208         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
209         (cgraph_clone_edge): Update.
210         (cgraph_node_remove_callees): Remove indirect calls too.
211         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
212         (cgraph_create_indirect_edge): Update prototype.
213         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
214         is_proper_for_analysis.
215         (add_new_function, visited_nodes, function_insertion_hook_holder,
216         get_local_reference_vars_info, mark_address_taken, mark_address,
217         mark_load, mark_store, check_asm_memory_clobber, check_call,
218         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
219         (ipa_init): Do not initialize visited_nodes;
220         function_insertion_hook_holder.
221         (analyze_variable): Rewrite.
222         (analyze_function): Rewrite.
223         (copy_local_bitmap): Remove.
224         (duplicate_node_dat): Do not duplicate local info.
225         (generate_summary): Simplify to only walk cgraph.
226         (write_node_summary_p, ipa_reference_write_summary,
227         ipa_reference_read_summary): Remove.
228         (propagate): Do not remove function insertion;
229         generate summary.
230         (pass_ipa_reference): NULLify summary handling fields.
231         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
232         (input_edge): Input ecf_flags.
233         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
234         (update_indirect_edges_after_inlining): Ignore edges with unknown
235         param.
236
237 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
238
239         * implicit-zee.c: New file.
240         * tree-pass.h (pass_implicit_zee): Declare.
241         * passes.c (init_optimization_passes): Add zee pass.
242         * common.opt (fzee): New flag.
243         * timevar.def (TV_ZEE): Define.
244         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
245         and beyond.
246         * Makefile.in (implicit-zee.o): Add new build file.
247
248 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
249             Nathan Froyd  <froydnj@codesourcery.com>
250
251         * c-common.c (sync_resolve_params): Remove write-only variable.
252
253 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
254
255         * target.h (struct gcc_target): Add mode_dependent_address_p field.
256         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
257         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
258         * targhooks.c (default_mode_dependent_address_p): New function.
259         * targhooks.h (default_mode_dependent_address_p): Declare function.
260         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
261         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
262         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
263         target hook. Change return type to bool.
264         * recog.h: (mode_dependent_address_p): Change return type to bool.
265
266 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
267             Nathan Froyd  <froydnj@codesourcery.com>
268
269         * tree-mudflap.c (build_function_type_0, build_function_type_1,
270         build_function_type_2, build_function_type_3): Remove.
271         (mudflap_init): Use build_function_type_list.
272
273 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
274             Nathan Froyd  <froydnj@codesourcery.com>
275
276         * coverage.c (build_fn_info_value): Call build_constructor instead of
277         build_constructor_from_list.
278         (build_ctr_info_value): Likewise.
279         (build_gcov_info): Likewise.
280
281 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
282
283         * tree.c (build_constructor): Compute TREE_CONSTANT for the
284         resultant constructor.
285         (build_constructor_single): Don't set TREE_CONSTANT.
286         (build_constructor_from_list): Don't compute TREE_CONSTANT.
287
288 2010-05-12  Jan Hubicka  <jh@suse.cz>
289
290         * cgraph.h (struct varpool_node): Add aux.
291         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
292         * varpool.c (varpool_remove_node): Do not remove initializer.
293         (varpool_reset_queue): Export.
294         (varpool_finalize_decl): Volatile vars are forced to be output.
295         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
296         replaced decl.
297         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
298         process_references, varpool_can_remove_if_no_refs): New functions.
299         (cgraph_remove_unreachable_nodes): Handle variables too.
300
301 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
302
303         PR target/44088
304         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
305
306 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
307
308         PR middle-end/44085
309         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
310         change value of ORT_TASK.
311         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
312         (omp_notice_threadprivate_variable): New function.
313         (omp_notice_variable): Call it for threadprivate variables.
314         If enclosing ctx is a task, print enclosing task rather than
315         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
316         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
317         if task has untied clause.
318
319         PR debug/42278
320         * dwarf2out.c (base_type_die): Don't add name attribute here.
321         (modified_type_die): Instead of sizetype use
322         its underlying original type.  If a DW_TAG_base_type doesn't
323         have name added, add __unknown__.
324         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
325         always call force_type_die instead.
326
327 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
328
329         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
330         for __stack_chk_guard.
331
332 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
333
334         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
335         don't call start_source_file debug hook here...
336         (finish_options): ... but here, after outputting predefined and
337         command line defines and undefs.
338
339         PR middle-end/44071
340         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
341         no fallthru edge.
342         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
343         optimizing away empty bb with no successors, move over its
344         footer chain to fallthru predecessor.
345         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
346         (rtl_split_edge): For asm goto call patch_jump_insn even if
347         splitting fallthru edge.
348
349         PR c++/44059
350         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
351         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
352         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
353         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
354         on DW.ref.* decls.
355
356         PR c++/44062
357         * c-parser.c (c_parser_expression): Mark LHS of a comma
358         expression as read if it is a decl, handled component or
359         COMPOUND_EXPR with that on the RHS.
360         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
361         if it is a decl or handled component.
362
363 2010-05-11  Jan Hubicka  <jh@suse.cz>
364
365         * lto-symtab.c (lto_symtab_free): New function.
366         * lto-streamer.h (lto_symtab_free): Declare.
367
368 2010-05-11  Jan Hubicka  <jh@suse.cz>
369
370         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
371         that if function is needed it is reachable.
372         (lto_output_node): See if it the function is reachable or referenced.
373         (output_cgraph): Update call of lto_output_node.
374         * lto-streamer.h (reachable_from_other_partition_p): Declare.
375
376 2010-05-11  Jan Hubicka  <jh@suse.cz>
377
378         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
379         Mark as used.
380
381 2010-05-11  Jan Hubicka  <jh@suse.cz>
382
383         PR tree-optimize/44063
384         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
385         queue.
386         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
387         limits.
388         (estimate_function_body_sizes): Compute sizes even when disregarding.
389
390 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
391
392         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
393
394 2010-05-11  Jan Hubicka  <jh@suse.cz>
395
396         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
397         into every boundary.
398
399 2010-05-11  Jan Hubicka  <jh@suse.cz>
400
401         * matrix-reorg.c (matrix_reorg): Rebuild edges.
402
403 2010-05-11  Jan Hubicka  <jh@suse.cz>
404
405         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
406         lto_streamer_cache_delete): Put nodes into heap.
407         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
408         heap.
409
410 2010-05-11  Jan Hubicka  <jh@suse.cz>
411
412         * cgraphbuild.c (cgraph_rebuild_references): New.
413         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
414         out extern inlines.
415         * cgraph.h (cgraph_rebuild_references): Declare.
416         * tree-inline.c (tree_function_versioning): Use it.
417         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
418
419 2010-05-11  Jan Hubicka  <jh@suse.cz>
420
421         * cgraph.c: Include ipa-utils.h
422         (cgraph_create_virtual_clone): Update references.
423         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
424
425 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
426
427         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
428         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
429         cache size.
430
431 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
432
433         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
434
435 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
436
437         * gcc.c (execute): For -### don't quote arguments that
438         contain just alphanumerics and _/-. characters.
439         * doc/invoke.texi: Document that change for -###.
440
441         PR debug/44023
442         * df-problems.c (struct dead_debug): Add to_rescan field.
443         (dead_debug_init): Clear to_rescan field.
444         (dead_debug_finish): Rescan all debug insns in to_rescan
445         bitmap and free the bitmap.
446         (dead_debug_insert_before): Instead of rescanning debug insns
447         immediately queue their rescanning until dead_debug_finish.
448         (df_note_bb_compute): After dead_debug_add do continue instead
449         of break.
450
451 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
452
453         PR debug/44028
454         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
455         clear also INSN_REG_USE_LIST.
456
457 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
458
459         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
460
461 2010-05-10  Jan Hubicka  <jh@suse.cz>
462
463         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
464         commited change.
465
466 2010-05-10  Jan Hubicka  <jh@suse.cz>
467
468         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
469         Allocate encoders.
470         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
471         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
472         (lto_streamer_cache_create): Init alloc pool.
473         (lto_streamer_cache_delete): Free alloc pool.
474         * lto-streamer.h: Include alloc pool.
475         (lto_streamer_cache_d): Use alloc pool.
476         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
477
478 2010-05-10  Jan Hubicka  <jh@suse.cz>
479
480         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
481         * cgraphbuild.c: Include except.h
482         (record_type_list, record_eh_tables): New function.
483         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
484
485 2010-05-10  Jan Hubicka  <jh@suse.cz>
486
487         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
488         __frame_dummy_init_array_entry, force_to_data): Attribute as used
489         rather than unused.
490
491 2010-05-10  Michael Matz  <matz@suse.de>
492
493         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
494         (can_reassociate_p): Use FLOAT_TYPE_P.
495         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
496         (vect_force_simple_reduction): ... this.
497         * tree-parloops.c (gather_scalar_reductions): Use
498         vect_force_simple_reduction.
499         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
500         vect_is_simple_reduction, add modify argument, if true rewrite
501         "a-b" into "a+(-b)".
502         (vect_is_simple_reduction, vect_force_simple_reduction): New
503         functions.
504         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
505
506 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
507             Vladimir Makarov  <vmakarov@redhat.com>
508
509         PR rtl-optimization/44012
510         * ira-build.c (remove_unnecessary_allocnos): Nullify
511         regno_allocno_map of the removed allocno.
512
513 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
514
515         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
516         to /dev/null.
517         * configure: Regenerate.
518
519 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
520
521         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
522         unused.
523         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
524         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
525         support in Sun ld.
526         * configure: Regenerate.
527
528 2010-05-10  Richard Guenther  <rguenther@suse.de>
529
530         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
531         marked if the entry identifier is marked.
532
533 2010-05-10  Richard Guenther  <rguenther@suse.de>
534
535         * c-common.c (struct c_common_attributes): Add fnspec attribute.
536         (handle_fnspec_attribute): New function.
537         * gimple.h (gimple_call_return_flags): Declare.
538         (gimple_call_arg_flags): Likewise.
539         * gimple.c (gimple_call_arg_flags): New function.
540         (gimple_call_return_flags): Likewise.
541         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
542         New argument flags.
543         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
544         return value flags.
545         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
546         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
547         main work to ...
548         (make_heapvar_for): ... this new function.
549         (handle_rhs_call): Handle fnspec attribute argument specifiers.
550         (handle_lhs_call): Likewise.
551         (find_func_aliases): Adjust.
552
553 2010-05-10  Richard Guenther  <rguenther@suse.de>
554
555         PR tree-optimization/44050
556         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
557
558 2010-05-10  Wei Guozhi  <carrot@google.com>
559
560         PR target/42879
561         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
562
563 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
564
565         PR c/10676
566         * c-typeck.c (lookup_field): Take a type directly.  Update
567         recursive calls.
568         (build_component_ref): Update call to lookup_field.
569         (set_init_label): Use lookup_field to find initialized field.
570         Handle returned list of fields like a sequence of designators.
571
572 2010-05-09  Richard Guenther  <rguenther@suse.de>
573
574         PR middle-end/44024
575         * fold-const.c (tree_single_nonzero_warnv_p): Properly
576         handle &FUNCTION_DECL.
577
578 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
579
580         PR c/4784
581         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
582         structures and unions recursively.
583         (detect_field_duplicates): Move duplicate detection with a hash to
584         detect_field_duplicates_hash.  Always use a hash if anonymous
585         structures or unions are present.
586         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
587         give errors.
588
589 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
590
591         PR target/44046
592         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
593         detect Atom, Core 2 and Core i7.
594
595 2010-05-09  Richard Guenther  <rguenther@suse.de>
596
597         * gcc.c (store_arg): Handle temporary file deletion for
598         joined arguments.
599
600 2010-05-09  Richard Guenther  <rguenther@suse.de>
601
602         PR middle-end/44043
603         * ipa-inline.c (estimate_function_body_sizes): Return after
604         disregarding inline limits.
605
606 2010-05-09  Richard Guenther  <rguenther@suse.de>
607
608         * gcc.c (store_arg): Revert last change.
609
610 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
611
612         PR middle-end/28685
613         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
614         (optimize_ops_list): Call it.
615
616 2010-05-08  Richard Guenther  <rguenther@suse.de>
617
618         PR tree-optimization/44030
619         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
620         NECESSARY flag if we propagate from a inserted expression.
621
622 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
623
624         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
625         domain types as equal if they are both PLACEHOLDER_EXPRs.
626
627 2010-05-08  Richard Guenther  <rguenther@suse.de>
628
629         * lto-wrapper.c (run_gcc): Remove linker output from
630         command line for LTRANS invocation.
631
632 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
633
634         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
635         lto-macho as lto_binary_reader.
636         * target.h (struct gcc_target): New hooks lto_start and lto_end.
637         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
638         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
639         in lto_start and lto_end calls.
640         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
641         magic numbers.
642         (scan_prog_file): Update is_elf_or_coff call.
643         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
644
645         * collect2.c (main): Fix enum comparison.
646
647         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
648         Add prototypes.
649         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
650         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
651         and TARGET_ASM_LTO_END.
652         * darwin.c: Include obstack.h and lto-streamer.h.
653         (lto_section_names_offset, lto_section_names_obstack,
654         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
655         global variables.
656         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
657         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
658         to a temporary file.
659         (darwin_asm_lto_end): New function.  Restore asm_out_file.
660         (darwin_asm_named_section): For LTO sections, replace the name with
661         the offset of the section name in a string table, and build this
662         table.
663         (darwin_file_start): Initialize global vars for LTO support.
664         (darwin_file_end): If output to asm_out_file was redirected, append it
665         to the proper asm_out_file here.  Add the section names section.
666
667 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
668
669         * c-pragma.c (pending_weak_d, pending_weak): New.
670         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
671         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
672         handle_pragma_weak): Update the uses of pending_weaks.
673
674 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
675
676         PR documentation/44016
677         * doc/standards.texi (Standards): Link to unversioned
678         cxx0x_status.html page.
679
680 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
681
682         PR target/43708
683         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
684         in addition to TREE_USED, to avoid "set but unused" warnings.
685
686 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
687
688         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
689         (is_loop_prefetching_profitable): Do not insert prefetches
690         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
691         times the prefetch ahead distance.
692
693 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
694
695         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
696         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
697         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
698         the unroll_factor.
699
700 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
701
702         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
703         a diagnostic info when the insn-to-mem ratio is too small.
704
705 2010-05-07  Richard Guenther <rguenther@suse.de>
706
707         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
708         the linker plugin.
709         (store_arg): Queue temp_filename for deletion instead of
710         the whole argument.
711
712 2010-05-07  Richard Guenther  <rguenther@suse.de>
713
714         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
715         (run_gcc): Handle LTRANS phase invocation.
716         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
717
718 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
719
720         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
721         this is also meaningful on PARM_DECLs and RESULT_DECLs.
722
723 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
724
725         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
726
727 2010-05-07  Richard Guenther  <rguenther@suse.de>
728
729         PR tree-optimization/44020
730         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
731         code when PRE is not yet initialized.
732
733 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
734
735         * config/mips/dbxmdebug.h: Remove.
736         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
737
738 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
739
740         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
741         with null pointer and also warn about ordered comparison of zero with
742         pointer if -Wextra.
743
744 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
745
746         * graphite-blocking.c
747         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
748         * graphite-clast-to-gimple.c
749         (clast_to_gcc_expression): Same.
750         (precision_for_value): Same.
751         (precision_for_interval): Same.
752         (gcc_type_for_interval): Same.
753         (graphite_create_new_guard): Same.
754         (compute_bounds_for_level): Same.
755         (graphite_create_new_loop_guard): Same.
756         * graphite-interchange.c
757         (build_linearized_memory_access): Same.
758         (pdr_stride_in_loop): Same.
759         (memory_strides_in_loop_1): Same.
760         (memory_strides_in_loop): Same.
761         (extend_scattering): Same.
762         (psct_scattering_dim_for_loop_depth): Same.
763         (pbb_number_of_iterations): Same.
764         * graphite-poly.h
765         (debug_iteration_domains): Same.
766         * graphite-ppl.c
767         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
768         (ppl_set_inhomogeneous_gmp): Same.
769         (ppl_strip_loop): Same.
770         (ppl_lexico_compare_linear_expressions): Same.
771         (ppl_read_polyhedron_matrix): Same.
772         (ppl_max_for_le_pointset): Same.
773         * graphite-ppl.h
774         (ppl_read_polyhedron_matrix): Same.
775         (tree_int_to_gmp): Same.
776         (gmp_cst_to_tree): Same.
777         (ppl_set_inhomogeneous): Same.
778         (ppl_set_inhomogeneous_tree): Same.
779         (ppl_set_coef): Same.
780         (ppl_set_coef_tree): Same.
781         * graphite-sese-to-poly.c
782         (build_pbb_scattering_polyhedrons): Same.
783         (build_scop_scattering): Same.
784         (scan_tree_for_params_right_scev): Same.
785         (scan_tree_for_params): Same.
786         (find_params_in_bb): Same.
787         (find_scop_parameters): Same.
788         (add_upper_bounds_from_estimated_nit): Same.
789         (build_loop_iteration_domains): Same.
790         (add_condition_to_domain): Same.
791         (pdr_add_memory_accesses): Same.
792
793 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
794
795         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
796         CLooG's value_* macros to their respective mpz_* counterparts.
797         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
798         (graphite_create_new_loop_guard): Same.
799         * graphite-interchange.c (build_linearized_memory_access): Same.
800         (pdr_stride_in_loop): Same.
801         (memory_strides_in_loop_1): Same.
802         (1st_interchange_profitable_p): Same.
803         * graphite-poly.c (extend_scattering): Same.
804         (psct_scattering_dim_for_loop_depth): Same.
805         (pbb_number_of_iterations): Same.
806         (pbb_number_of_iterations_at_time): Same.
807         * graphite-poly.h (new_1st_loop): Same.
808         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
809         (oppose_constraint): Same.
810         (insert_constraint_into_matrix): Same.
811         (ppl_set_inhomogeneous_gmp): Same.
812         (ppl_set_coef_gmp): Same.
813         (ppl_strip_loop): Same.
814         (ppl_lexico_compare_linear_expressions): Same.
815         (ppl_max_for_le_pointset): Same.
816         (ppl_min_for_le_pointset): Same.
817         (ppl_build_realtion): Same.
818         * graphite-ppl.h (gmp_cst_to_tree): Same.
819         (ppl_set_inhomogeneous): Same.
820         (ppl_set_inhomogeneous_tree): Same.
821         (ppl_set_coef): Same.
822         (ppl_set_coef_tree): Same.
823         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
824         (build_scop_scattering): Same.
825         (add_value_to_dim): Same.
826         (scan_tree_for_params_right_scev): Same.
827         (scan_tree_for_params_int): Same.
828         (scan_tree_for_params): Same.
829         (find_params_in_bb): Same.
830         (find_scop_parameters): Same.
831         (add_upper_bounds_from_estimated_nit): Same.
832         (build_loop_iteration_domains): Same.
833         (create_linear_expr_from_tree): Same.
834         (add_condition_to_domain): Same.
835         (pdr_add_memory_accesses): Same.
836
837 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
838             Jason Merrill  <jason@redhat.com>
839
840         * c-common.c (c_common_reswords): Add nullptr.
841         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
842         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
843         (gen_type_die_with_usage): Likewise.
844         * dbxout.c (dbxout_type): Likewise.
845         * sdbout.c (plain_type_1): Likewise.
846
847 2010-05-06  Jason Merrill  <jason@redhat.com>
848
849         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
850         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
851         ret appropriately.
852         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
853
854         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
855         stripping WITH_SIZE_EXPR.
856         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
857         change.
858
859 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
860
861         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
862         list of obsolete configurations.
863         Disabled check for obsolete configurations.
864         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
865         Removed support for previous versions.
866         * config/mips/iris.h: Removed.
867         * config/mips/iris5.h: Removed.
868         * config/mips/iris6.h: Merged old iris.h contents.
869         (TARGET_IRIX): Removed.
870         (DRIVER_SELF_SPECS): Removed mabi=32.
871         (IDENT_ASM_OP): Removed undef.
872         (STARTFILE_SPEC): Removed mabi=32.
873         (ENDFILE_SPEC): Likewise.
874         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
875         (MACHINE_TYPE): Update for IRIX 6.5.
876         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
877         TARGET_IRIX by TARGET_IRIX6.
878         (mips_file_start): Likewise.
879         (mips_output_external): Remove IRIX 5/6 O32 support.
880         (mips_output_function_prologue): Likewise.
881         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
882         TARGET_IRIX6.
883         (TARGET_CPU_CPP_BUILTINS): Likewise.
884         (TARGET_IRIX): Removed.
885         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
886         (MULTILIB_DIRNAMES): Removed 32.
887         (MULTILIB_OSDIRNAMES): Removed ../lib.
888         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
889         (Specific, mips-sgi-irix5): Document removal.
890         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
891         Remove references to older IRIX 6 releases and the O32 ABI.
892
893 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
894
895         PR bootstrap/43994
896         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
897         instead of DF_REF_REAL_REG.
898
899 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
900
901         PR target/43888
902         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
903         handling to still return true for x64 targets.
904
905 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
906
907         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
908
909 2010-05-06  Jan Hubicka  <jh@suse.cz>
910
911         PR tree-optimization/43791
912         * ipa-inline.c (update_caller_keys): Remove bogus
913         disregard_inline_limits check.
914
915 2010-05-06  Michael Matz  <matz@suse.de>
916
917         PR tree-optimization/43984
918         * tree-ssa-pre.c (inserted_phi_names): Remove.
919         (inserted_exprs): Change to bitmap.
920         (create_expression_by_pieces): Set bits, don't append to vector.
921         (insert_into_preds_of_block): Don't handle inserted_phi_names.
922         (eliminate): Don't look at inserted_phi_names, remove deleted
923         insns from inserted_exprs.
924         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
925         (init_pre, fini_pre): Allocate and free bitmaps.
926         (execute_pre): Insert insns on edges before elimination.
927
928 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
929
930         * tree.c (initializer_zerop): Handle STRING_CST.
931
932 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
933
934         PR 40989
935         * doc/invoke.texi (Wimplicit): Document as C only.
936         * opts.c (common_handle_option): Add argument kind.
937         (handle_option): Rename as read_cmdline_option. Factor out code to...
938         (handle_option): ... here. New.
939         (handle_options): Rename as read_cmdline_options.
940         (decode_options): Update call.
941         (set_option): Use option index instead of option pointer. Classify
942         diagnostics correctly.
943         (enable_warning_as_error): Call handle_option.
944         * opts.h (set_option): Update declaration.
945         (handle_option): Declare.
946         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
947         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
948         * c-opts.c (set_Wimplicit): Delete.
949         (c_family_lang_mask): New static constant.
950         (c_common_handle_option): Add argument kind. Use handle_option
951         instead of set_Wimplicit.
952         (c_common_post_options): warn_implicit and warn_implicit_int
953         are disabled by default.
954         * c-common.c (warn_implicit): Do not define here.
955         * c-common.h (warn_implicit): Do not declare here.
956         (c_common_handle_option): Update declaration.
957         * lto-opts.c (lto_reissue_options): Update call to set_option.
958
959 2010-05-06  Richard Guenther  <rguenther@suse.de>
960
961         PR tree-optimization/43571
962         * domwalk.c (walk_dominator_tree): Walk the dominator
963         sons in more optimal order.
964
965 2010-05-06  Richard Guenther  <rguenther@suse.de>
966
967         PR tree-optimization/43934
968         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
969         (stmt_cost): Likewise.
970         (extract_true_false_args_from_phi): New helper.
971         (determine_max_movement): For PHI nodes verify we can hoist them
972         and compute their cost.
973         (determine_invariantness_stmt): Handle PHI nodes.
974         (move_computations_stmt): Likewise.  Hoist PHI nodes in
975         if-converted form using COND_EXPRs.
976         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
977         (tree_ssa_lim): Likewise.
978         * tree-flow.h (tree_ssa_lim): Adjust prototype.
979         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
980
981 2010-05-06  Richard Guenther  <rguenther@suse.de>
982
983         PR tree-optimization/43987
984         * tree-ssa-structalias.c (could_have_pointers): For possibly
985         address-taken variables force pointers to be recorded.
986         (create_variable_info_for_1): Likewise.
987         (push_fields_onto_fieldstack): Pass in wheter all fields
988         must have pointers.
989         (find_func_aliases): Query types instead of vars whether
990         they contain pointers where appropriate.
991
992 2010-05-06  Jan Hubicka  <jh@suse.cz>
993
994         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
995         (record_reference, mark_address, mark_load, mark_store): Record
996         references.
997         (record_references_in_initializer): Update call of record_references.
998         (rebuild_cgraph_edges): Remove all references before rebuiding.
999         * cgraph.c (cgraph_create_node): Clear ref list.
1000         (cgraph_remove_node): Remove references.
1001         (dump_cgraph_node): Dump references.
1002         (cgraph_clone_node): Clone references.
1003         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1004         (struct cgraph_node, varpool_node): Add ref_lst.
1005         * ipa-ref.c: New file.
1006         * ipa-ref.h: New file.
1007         * ipa-ref-inline.h: New file.
1008         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1009         (referenced_from_other_partition_p): New function.
1010         (lto_output_varpool_node): Take set arugment; call
1011         referenced_from_other_partition.
1012         (lto_output_ref): New.
1013         (add_references): New.
1014         (output_refs): New.
1015         (output_cgraph): Compute boundary based on references; output refs.
1016         (output_varpool): Accept cgraph_node_set argument.
1017         (input_ref): New.
1018         (input_refs): New.
1019         (input_cgraph): Call input_refs.
1020         * lto-section-in.c (lto_section_name): Add refs.
1021         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1022         (ipa-ref.o): New file.
1023         * varpool.c (varpool_node): Clear ipa ref list.
1024         (varpool_remove_node): Remove references.
1025         (dump_varpool_node): Dump references.
1026         (varpool_assemble_decl): Only compile finalized ones.
1027         (varpool_extra_name_alias): Initialize ref list.
1028         * lto-streamer.c (lto-get_section_name): Add .refs section.
1029         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1030         (referenced_from_other_partition_p): Declared.
1031
1032 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1033
1034         PR tree-optimization/43901
1035         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1036         type is not NULL if it's transformation phase, and return
1037         FALSE if it's analysis.
1038         (vectorizable_conversion, vectorizable_operation,
1039         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1040
1041 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1042
1043         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1044         Delete.
1045         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1046         New define.
1047         * config/mips/mips-protos.h
1048         (mips_small_register_classes_for_mode_p): Delete prototype.
1049
1050 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1051
1052         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1053         * config/arm/arm.c (multiple_operation_profitable_p,
1054         compute_offset_order): New static functions.
1055         (load_multiple_sequence, store_multiple_sequence): Use them.
1056         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1057         memory offsets, not register numbers.
1058         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1059
1060 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1061
1062         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1063         (get_pending_sizes, put_pending_size, put_pending_sizes):
1064         Update the uses of pending_sizes.
1065         * c-decl.c (store_parm_decls): Likewise.
1066         * c-tree.h (struct c_arg_info): Likewise.
1067         * tree.h: Update the prototype for get_pending_sizes and
1068         put_pending_sizes.
1069
1070 2010-05-05  Jason Merrill  <jason@redhat.com>
1071
1072         PR debug/43370
1073         * c-common.c (handle_aligned_attribute): Respect
1074         ATTR_FLAG_TYPE_IN_PLACE.
1075
1076         PR testsuite/43758
1077         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1078         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1079         (TARGET_INITIALIZER): Use it.
1080         * c-common.c (attribute_takes_identifier_p): Call it.
1081         * c-common.h: Update prototype.
1082         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1083         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1084
1085 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1086
1087         PR debug/43950
1088         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1089         DW_ID_down_case for Fortran compilation units.
1090
1091 2010-05-05  Jan Hubicka  <jh@suse.cz>
1092
1093         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1094         handle aliases.
1095
1096 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1097
1098         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1099         a variable-sized RESULT_DECL.
1100
1101 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1102
1103         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1104
1105 2010-05-05  Jason Merrill  <jason@redhat.com>
1106
1107         PR c++/43787
1108         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1109         returns GS_OK.
1110         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1111
1112 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1113             Jakub Jelinek  <jakub@redhat.com>
1114
1115         PR debug/43478
1116         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1117         (dead_debug_init, dead_debug_finish): New functions.
1118         (dead_debug_add, dead_debug_insert_before): Likewise.
1119         (df_note_bb_compute): Initialize a dead_debug object, add dead
1120         debug uses to it, insert debug bind insns before death insns,
1121         reset debug insns that refer to pending uses at the end.
1122         * rtl.h (make_debug_expr_from_rtl): New prototype.
1123         * varasm.c (make_debug_expr_from_rtl): New function.
1124
1125 2010-05-05  Jan Hubicka  <jh@suse.cz>
1126
1127         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1128         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1129         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1130         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1131         lto_varpool_encoder_encode_initializer_p,
1132         lto_set_varpool_encoder_encode_initializer): New functions.
1133         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1134         call output_varpool.
1135         (input_varpool_node): Do not always set analyzed.
1136         (input_cgraph_1): Return vector of cgraph nodes.
1137         (input_varpool_1): Return vector of varpools.
1138         (input_cgraph): Free the vectors.
1139         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1140         output only initializers needed.
1141         (lto_output): Only call output_cgraph.
1142         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1143         * lto-section-out.c (lto_new_out_decl_state): Initialize
1144         state->varpool_node_encoder.
1145         * lto-streamer.h (lto_varpool_encoder_d): New.
1146         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1147         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1148         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1149         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1150         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1151         Declare.
1152         (output_varpool, input_varpool): Remove declarations.
1153
1154 2010-05-05  Jan Hubicka  <jh@suse.cz>
1155
1156         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1157         with body can prevail.
1158
1159 2010-05-05  Jan Hubicka  <jh@suse.cz>
1160
1161         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1162         size.
1163
1164 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1165
1166         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1167
1168         * gengtype.h (erro_at_line): Constify pos argument.
1169
1170         * gengtype.c: Include hashtab.h.
1171         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1172         (error_at_line): Constify pos argument.
1173         (do_typedef): Initialize p->opt field.
1174         (get_file_gtfilename): Fix comment typo.
1175         (struct walk_type_data): Constify line field.
1176         (get_output_file_for_structure): New function.
1177         (write_local_func_for_structure): Constify orig_s argument.
1178         Use get_output_file_for_structure.
1179         (write_func_for_structure): Use get_output_file_for_structure.
1180         (INDENT): New define.
1181         (dump_pair, dump_type, dump_type_list, dump_typekind)
1182         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1183         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1184         functions.
1185         (seen_types): New variable.
1186         (main): New variable do_dump.  Process "-d" command line option.
1187         Call dump_everything if dump requested.
1188
1189 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1190
1191         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1192         in a temporary instead of invoking the macro multiple times.
1193         (track_expr_p): Likewise.
1194
1195 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1196
1197         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1198         per new semantics.
1199         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1200         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1201         conditions for printing notes.
1202         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1203         true, update documentation.
1204         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1205
1206 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1207
1208         PR c/43981
1209         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1210         on dimen.
1211
1212 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1213
1214         PR target/43799
1215         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1216         (*sse_prologue_save_insn1): Likewise.
1217         (SSE prologue save splitter): Likewise.
1218
1219 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1220
1221         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1222         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1223         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1224         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1225         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1226         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1227         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1228
1229 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1230
1231         * tree-sra.c (build_access_from_expr_1): The first parameter type
1232         changed to simple tree.
1233         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1234         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1235         renamed as well.
1236         (build_accesses_from_assign): Removed all parameters except for a
1237         simple gimple statement.  Now returns a simple bool.
1238         (scan_function): All non-analysis parts moved to separate functions
1239         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1240         parameters and updated both callers.
1241         (sra_modify_expr): Removed parameter data.
1242         (sra_modify_function_body): New function.
1243         (perform_intra_sra): Call sra_modify_function_body to modify the
1244         function body.
1245         (replace_removed_params_ssa_names): Parameter data changed into
1246         adjustments vector.
1247         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1248         changed the parameter dont_convert to convert with the opposite
1249         meaning.
1250         (sra_ipa_modify_assign): Parameter data changed into adjustments
1251         vector, return value changed to bool.
1252         (ipa_sra_modify_function_body): New function.
1253         (sra_ipa_reset_debug_stmts): Updated a comment.
1254         (modify_function): Use ipa_sra_modify_function_body to modify function
1255         body.
1256
1257 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1258
1259         PR middle-end/43671
1260         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1261         (canon_true_dependence): Likewise.
1262         (write_dependence_p): Likewise.
1263
1264 2010-05-04  Jan Hubicka  <jh@suse.cz>
1265
1266         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1267         * cgraphbuild.c: Include ipa-utils.h
1268         (record_reference_ctx): New struct.
1269         (record_reference): Simplify to work on initializers; not statements.
1270         (mark_address, mark_load, mark_store): New.
1271         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1272         walk PHI nodes too.
1273         (record_references_in_initializer): Update use of record_reference.
1274         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1275         walk PHI nodes too.
1276
1277 2010-05-04  Jan Hubicka  <jh@suse.cz>
1278
1279         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1280         node will be removed anyway.
1281         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1282         relink aliases of node into prevailing node.
1283         * varpool.c (varpool_remove_node): Remove aliases properly;
1284         when removing node, remove all its aliases too; remove DECL_INITIAL
1285         of removed node; ggc_free the varpool node.
1286
1287 2010-05-04  Richard Guenther  <rguenther@suse.de>
1288
1289         PR tree-optimization/43879
1290         * tree-ssa-structalias.c (alias_get_name): Use
1291         DECL_ASSEMBLER_NAME if available.
1292         (create_function_info_for): Return the varinfo node.
1293         (ipa_pta_execute): Associate same-body aliases and extra names
1294         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1295
1296 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1297
1298         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1299
1300 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1301
1302         PR bootstrap/43964
1303         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1304         only if HONOR_REG_ALLOC_ORDER is not defined.
1305
1306 2010-05-04  Richard Guenther  <rguenther@suse.de>
1307
1308         PR tree-optimization/43949
1309         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1310         TRUNC_MOD_EXPR.
1311
1312 2010-04-26  Jason Merrill  <jason@redhat.com>
1313
1314         * c.opt (-fstrict-enums): New.
1315         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1316
1317 2010-05-03  David Ung <davidu@mips.com>
1318             James E. Wilson  <wilson@codesourcery.com>
1319
1320         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1321         emit the trap instruction before the divide for TUNE_74K.
1322
1323 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1324
1325         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1326         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1327         based on the above, for new target hook.
1328
1329         * hooks.c (hook_bool_mode_true): New generic hook.
1330         * hooks.h (hook_bool_mode_true): Add prototype.
1331
1332         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1333         target hook.
1334         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1335         target hook, set to hook_bool_mode_false.
1336         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1337         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1338         with targetm.small_register_classes_for_mode_p.
1339         (find_reusable_reload): Likewise.
1340         (combine_reloads): Likewise.
1341         * reload1.c (reload_as_needed): Likewise.
1342         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1343         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1344         dead_or_predicable): Likewise.
1345         * regmove.c (optimize_reg_copy_1): Likewise.
1346         * calls.c (prepare_call_address): Likewise.
1347         (precompute_register_parameters): Likewise.
1348
1349         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1350         hook definition.
1351         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1352         implementation of the hook that considers all register classes
1353         small except for SH64.
1354         (sh_override_options): Use the new hook.
1355         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1356         Add prototype.
1357
1358         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1359         hook definition.
1360         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1361         implementation of the hook that considers all register classes
1362         small for THUMB1.
1363         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1364         Add prototype.
1365
1366         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1367         hook definition.
1368         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1369         implementation of the hook that considers all register classes
1370         small for MIPS16.
1371         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1372         Add prototype.
1373
1374         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1375         hook definition.
1376         * config/m32c/m32c.h: Likewise.
1377         * config/pdp11/pdp11.h: Likewise.
1378         * config/avr/avr.h: Likewise.
1379         * config/xtensa/xtensa.h: Likewise.
1380         * config/m68hc11/m68hc11.h: Likewise.
1381         * config/mn10300/mn10300.h: Likewise.
1382         * config/mcore/mcore.h: Likewise.
1383         * config/h8300/h8300.h: Likewise.
1384         * config/bfin/bfin.h: Likewise.
1385
1386         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1387         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1388
1389 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1390
1391         * double-int.h (tree_to_double_int): Remove macro.
1392         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1393         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1394         (tree_to_double_int): New function.
1395         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1396         Move ...
1397         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1398
1399 2010-05-03  Richard Guenther  <rguenther@suse.de>
1400
1401         PR tree-optimization/43971
1402         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1403         constraints in the !flag_delete_null_pointer_checks case.
1404
1405 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1406
1407         PR debug/43972
1408         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1409         result mode matches original rtl mode.
1410
1411 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1412
1413         PR target/43888
1414         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1415
1416 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1417
1418         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1419         when processing flag options.
1420
1421 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1422
1423         * gcov-iov.c (main): Change format string placeholder
1424         from %#08x to 0x%08x.
1425         * genchecksum.c (dosum): Change format string placeholder
1426         from %#02x to 0x%02x.
1427
1428 2010-05-02  Richard Guenther  <rguenther@suse.de>
1429
1430         PR tree-optimization/43879
1431         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1432
1433 2010-05-02  Bruno Haible  <bruno@clisp.org>
1434
1435         * doc/extend.texi (Function Attributes): Fix a typo.
1436
1437 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1438
1439         Revert:
1440         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1441         placeholder from 0x%x to %#x.
1442         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1443         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1444         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1445         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1446         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1447         * config/i386/i386.c (ix86_target_string): Ditto.
1448         * config/i386/i386.c (output_pic_addr_const): Ditto.
1449         (print_operand): Ditto.
1450
1451 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1452
1453         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1454         placeholder from 0x%x to %#x.
1455         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1456         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1457         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1458         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1459         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1460         * optc-gen.awk: Ditto.
1461         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1462         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1463         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1464         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1465
1466 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1467
1468         * target.h (struct calls): Add function_value_regno_p field.
1469         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1470         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1471         * targhooks.c (default_function_value_regno_p): New function.
1472         * targhooks.h (default_function_value_regno_p): Declare function.
1473         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1474         * builtins.c. (apply_result_size): (Ditto.).
1475         * combine.c. (likely_spilled_retval_p): (Ditto.).
1476         * mode-switching.c. Include 'target.h'.
1477         (create_pre_exit): Use function_value_regno_p hook.
1478         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1479         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1480         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1481
1482         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1483         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1484         (ix86_function_value_regno_p): Declare as static, change argument
1485         type to const unsigned int.
1486         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1487
1488 2010-05-01  Richard Guenther  <rguenther@suse.de>
1489
1490         PR tree-optimization/43949
1491         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1492         types.
1493         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1494
1495 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1496
1497         * rtl.h (CONST_DOUBLE_P): Define.
1498         (rtx_to_double_int): Declare.
1499         * emit-rtl.c (rtx_to_double_int): New function.
1500         * dwarf2out.c (insert_double): New function.
1501         (loc_descriptor, add_const_value_attribute): Clean up, use
1502         rtx_to_double_int and insert_double functions.
1503
1504 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1505
1506         * doc/extend.texi (Inline): Add missing return keyword to examples.
1507         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1508         "command-line".
1509
1510 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1511
1512         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1513         the variable part of the offset as well.  Use highest_pow2_factor for
1514         all alignment checks.
1515
1516 2010-04-30  Richard Guenther  <rguenther@suse.de>
1517
1518         PR tree-optimization/43879
1519         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1520         can have pointers.
1521
1522 2010-04-30  Jan Hubicka  <jh@suse.cz>
1523
1524         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1525         varpool.
1526         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1527
1528 2010-04-30  Jan Hubicka  <jh@suse.cz>
1529
1530         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1531         New.
1532         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1533         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1534         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1535         cgraph_node_set_needs_ltrans_p): Remove.
1536
1537 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1538
1539         * sdbout.c: Include vec.h, do not include varray.h.
1540         (deferred_global_decls, sdbout_global_decl,
1541         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1542         * toplev.c: Do not include varray.h.
1543         (dump_memory_report): Do not dump VARRAY statistics.
1544         * gengtype.c (open_base_file): Ignore varray.h.
1545         * Makefile.in: Update for abovementioned changes.
1546         Remove all traces of varray.c and varray.h.
1547         * varray.c: Remove file.
1548         * varray.h: Remove file.
1549
1550 2010-04-30  Jan Hubicka  <jh@suse.cz>
1551
1552         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1553         references.
1554
1555 2010-04-30  Jan Hubicka  <jh@suse.cz>
1556
1557         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1558         needed.
1559
1560 2010-04-30  Richard Guenther  <rguenther@suse.de>
1561
1562         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1563         constraints for CONSTRUCTOR.
1564
1565 2010-04-30  Richard Guenther  <rguenther@suse.de>
1566
1567         PR lto/43946
1568         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1569         first after all lowering passes.
1570
1571 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1572
1573         * toplev.c: Include varray.h for statistics dumping.
1574         * tree.h: Do not declare varray_head_tag.
1575         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1576         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1577         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1578         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1579         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1580         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1581         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1582         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1583         include varray.h.
1584         * Makefile.in: Update for abovementioned changes.
1585
1586 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1587
1588         PR debug/43942
1589         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1590
1591 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1592
1593         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1594         Use this function to do machine-specific conversion.
1595         (picochip_legitimize_reload_address): Likewise.
1596         (picochip_legitimate_address_p): Check valid base register only if
1597         strict.
1598         (picochip_check_conditional_copy): Check for modw only if opnd is
1599         register.
1600         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1601         to call the function in c.
1602         * config/picochip/picochip-protos.h
1603         (picochip_legitimize_reload_address): Define.
1604         * config/picochip/picochip.md (supported_compare1): Define.
1605
1606 2010-04-30  Jan Hubicka  <jh@suse.cz>
1607
1608         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1609         (cgraph_global_info): Remove inlined.
1610         (LTO_cgraph_tag_names): Remove.
1611         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1612         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1613         simplify cgraph tags and document.
1614         (lto_output_node): Use only LTO_cgraph_unavail_node and
1615         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1616         for_functions_valid, global info, process and output flags.
1617         (input_overwrite_node): Initialize estimated stack size and
1618         estimated growth.  Do not read flags we no longer store.
1619         (input_node): Likewise do not read info no longer stored.
1620         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1621         flag.
1622
1623 2010-04-30  Richard Guenther  <rguenther@suse.de>
1624
1625         PR tree-optimization/43879
1626         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1627         handle non-zero initializers.
1628
1629 2010-04-30  Richard Guenther  <rguenther@suse.de>
1630
1631         * builtins.c (fold_builtin_1): Delete free (0).
1632
1633 2010-04-29  Jan Hubicka  <jh@suse.cz>
1634
1635         * gengtype.c (open_base_files): Add lto-streamer.h
1636         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1637         (pass_ipa_cp): GGC collect.
1638         * toplev. (compile_file): Do not output symbols.
1639         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1640         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1641         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1642         * lto-section-in.c: Include ggc.h
1643         (lto_new_in_decl_state): Alloc in GGC.
1644         (lto_delete_in_decl_state): Likewise.
1645         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1646         Collect.
1647
1648 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1649
1650         PR target/42895
1651         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1652         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1653         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1654         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1655         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1656         account only if HONOR_REG_ALLOC_ORDER is not defined.
1657         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1658         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1659
1660 2010-04-29  Jon Grant  <04@jguk.org>
1661
1662         * collect2.c (vflag): Change type from int to bool.
1663         (debug): Likewise.
1664         (helpflag): New global bool.
1665         (main): Set vflag and debug with boolean, not integer truth values.
1666         Accept new "--help" option and output usage text if found.
1667         * collect2.h (vflag): Update prototype.
1668         (debug): Likewise.
1669
1670 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1671
1672         PR bootstrap/43936
1673         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1674
1675 2010-04-29  Richard Guenther  <rguenther@suse.de>
1676
1677         PR bootstrap/43935
1678         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1679         with ATTRIBUTE_UNUSED.
1680
1681 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1682
1683         PR target/43921
1684         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1685         INSN_P with NONDEBUG_INSN_P.
1686         (distance_non_agu_define): Likewise.
1687         (distance_agu_use): Likewise.
1688
1689 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1690
1691         From Dominique d'Humieres <dominiq@lps.ens.fr>
1692         PR bootstrap/43858
1693         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1694         test_set.
1695
1696 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1697
1698         * plugin.h (invoke_plugin_callbacks): New inline function.
1699         * plugin.c (flag_plugin_added): New global flag.
1700         (add_new_plugin): Initialize above flag.
1701         (invoke_plugin_callbacks): Rename to ...
1702         (invoke_plugin_callbacks_full): ... this.
1703
1704 2010-04-28  Jan Hubicka  <jh@suse.cz>
1705
1706         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1707         (lto_varpool_replace_node): New.
1708         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1709         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1710         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1711         * cgraph.h (varpool_node_ptr): New type.
1712         (varpool_node_ptr): New vector.
1713         (varpool_node_set_def): New structure.
1714         (varpool_node_set): New type.
1715         (varpool_node_set): New vector.
1716         (varpool_node_set_element_def): New structure.
1717         (varpool_node_set_element, const_varpool_node_set_element): New types.
1718         (varpool_node_set_iterator): New type.
1719         (varpool_node): Add prev pointers, add used_from_other_partition,
1720         in_other_partition.
1721         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1722         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1723         varpool_get_node, varpool_remove_node): Declare.
1724         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1725         varpool_node_set_size): New inlines.
1726         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1727         * tree-pass.h (varpool_node_set_def): Forward declare.
1728         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1729         (ipa_write_optimization_summaries): Update prototype.
1730         * ipa-cp.c (ipcp_write_summary): Update.
1731         * ipa-reference.c (ipa_reference_write_summary): Update.
1732         * lto-cgraph.c (lto_output_varpool_node): New static function.
1733         (output_varpool): New function.
1734         (input_varpool_node): New static function.
1735         (input_varpool_1): New function.
1736         (input_cgraph): Input varpool.
1737         * ipa-pure-const.c (pure_const_write_summary): Update.
1738         * lto-streamer-out.c (lto_output): Update, output varpool too.
1739         (write_global_stream): Kill WPA hack.
1740         (produce_asm_for_decls): Update.
1741         (output_alias_pair_p): Handle variables.
1742         (output_unreferenced_globals): Output only needed partition of varpool.
1743         * ipa-inline.c (inline_write_summary): Update.
1744         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1745         cgraph.
1746         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1747         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1748         varpool_node_set_new, varpool_node_set_add,
1749         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1750         debug_varpool_node_set): New functions.
1751         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1752         (execute_one_pass): Process new decls too.
1753         (ipa_write_summaries_2): Pass around vsets.
1754         (ipa_write_summaries_1): Likewise.
1755         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1756         to add.
1757         (ipa_write_optimization_summaries_1): Pass around vsets.
1758         (ipa_write_optimization_summaries): Likewise.
1759         * varpool.c (varpool_get_node): New.
1760         (varpool_node): Update doubly linked lists.
1761         (varpool_remove_node): New.
1762         (dump_varpool_node): More dumping.
1763         (varpool_enqueue_needed_node): Update doubly linked lists.
1764         (decide_is_variable_needed): Kill ltrans hack.
1765         (varpool_finalize_decl): Kill lto hack.
1766         (varpool_assemble_decl): Skip decls in other partitions.
1767         (varpool_assemble_pending_decls): Update doubly linkes lists.
1768         (varpool_empty_needed_queue): Likewise.
1769         (varpool_extra_name_alias): Likewise.
1770         * lto-streamer.c (lto_get_section_name): Add vars section.
1771         * lto-streamer.h (lto_section_type): Update.
1772         (output_varpool, input_varpool): Declare.
1773
1774 2010-04-28  Mike Stump  <mikestump@comcast.net>
1775
1776         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1777
1778 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1779
1780         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1781         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1782         (lto_input_ts_type_tree_pointers): Likewise.
1783         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1784         (lto_output_ts_type_tree_pointers): Likewise.
1785
1786 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1787
1788         Uniquization of constants at the Tree level
1789         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1790         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1791         bit to the end.
1792         (tree_output_constant_def): Declare.
1793         * gimplify.c (gimplify_init_constructor): When using block copy, first
1794         uniquize the constant constructor on the RHS.
1795         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1796         DECL_IN_CONSTANT_POOL flag.
1797         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1798         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1799         constant pool.
1800         (assemble_variable): Deal with symbols belonging to the tree constant
1801         pool.
1802         (get_constant_section): Add ALIGN parameter and simplify.
1803         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1804         (assemble_constant_contents): Use the expression of the VAR_DECL.
1805         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1806         (tree_output_constant_def): New global function.
1807         (mark_constant): Use the expression of the VAR_DECL.
1808         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1809         its expression.
1810         (output_object_block): Likewise and assemble the expression.
1811
1812 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1813
1814         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1815         hash_tree, eq_tree): New tree hash table.
1816         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1817         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1818         lto_orig_address_remove): Reimplement.
1819
1820 2010-04-28  Xinliang David Li  <davidxl@google.com>
1821
1822         PR c/42643
1823         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1824         (compute_uninit_opnds_pos): New function.
1825         (is_non_loop_exit_postdominating): New function.
1826         (compute_control_dep_chain): New function.
1827         (find_pdom): New function.
1828         (convert_control_dep_chain_into_preds): New function.
1829         (find_predicates): New function.
1830         (find_control_equiv_block): New function.
1831         (collect_phi_def_edges): New function.
1832         (find_def_preds): New function.
1833         (find_dom): New function.
1834         (dump_predicates): New function.
1835         (get_cmp_code): New function.
1836         (is_value_included_in): New function.
1837         (find_matching_predicate_in_rest_chains): New function.
1838         (use_pred_not_overlap_with_undef_path_pred): New function.
1839         (is_use_properly_guarded): New function.
1840         (normalize_cond_1): New function.
1841         (is_and_or_or): New function.
1842         (normalize_cond): New function.
1843         (is_gcond_subset_of): New function.
1844         (is_subset_of_any): New function.
1845         (is_or_set_subset_of): New function.
1846         (is_and_set_subset_of): New function.
1847         (is_norm_cond_subset_of): New function.
1848         (is_pred_expr_subset_of): New function.
1849         (is_pred_chain_subset_of): New function.
1850         (is_included_in): New function.
1851         (is_superset_of): New function.
1852         (find_uninit_use): New function.
1853         (warn_uninitialized_phi): New function.
1854         (compute_possibly_undefined_names): New function.
1855         (ssa_undefined_value_p): New function.
1856         (execute_late_warn_uninitialized): New function.
1857         * tree-ssa.c (ssa_undefined_value_p): Removed.
1858         (warn_uninit): Changed to extern.
1859         (warn_uninitialized_phi): Removed.
1860         (warn_uninitialized_vars): Changed to extern.
1861         (execute_late_warn_uninitialized): Removed
1862         * tree-flow.h: Add new prototypes.
1863         * timevar.def: Add new time variable.
1864         * Makefile.in: Add new build file.
1865
1866 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1867
1868         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1869         type if available.
1870
1871 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1872
1873         PR target/22224
1874         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1875
1876 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1877
1878         * cgraph.h (struct cgraph_node): New field indirect_calls.
1879         (struct cgraph_indirect_call_info): New type.
1880         (struct cgraph_edge): Removed field indirect_call. New fields
1881         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1882         (cgraph_create_indirect_edge): Declare.
1883         (cgraph_make_edge_direct): Likewise.
1884         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1885         * ipa-prop.h (struct ipa_param_call_note): Removed.
1886         (struct ipa_node_params): Removed field param_calls.
1887         (ipa_create_all_structures_for_iinln): Declare.
1888         * cgraph.c: Described indirect edges and uids in initial comment.
1889         (cgraph_add_edge_to_call_site_hash): New function.
1890         (cgraph_edge): Search also among the indirect edges, use
1891         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1892         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1893         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1894         site hash.
1895         (initialize_inline_failed): Assign a reason to indirect edges.
1896         (cgraph_create_edge_1): New function.
1897         (cgraph_create_edge): Moved some functionality to
1898         cgraph_create_edge_1.
1899         (cgraph_create_indirect_edge): New function.
1900         (cgraph_edge_remove_callee): Add an assert checking for
1901         non-indirectness.
1902         (cgraph_edge_remove_caller): Special-case indirect edges.
1903         (cgraph_remove_edge): Likewise.
1904         (cgraph_set_edge_callee): New function.
1905         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1906         (cgraph_make_edge_direct): New function.
1907         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1908         the declaration of the call statement matches.
1909         (cgraph_node_remove_callees): Special-case indirect edges.
1910         (cgraph_clone_edge): Likewise.
1911         (cgraph_clone_node): Clone also the indirect edges.
1912         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1913         indirect_call, dump count of indirect_calls edges.
1914         * ipa-prop.c (iinlining_processed_edges): New variable.
1915         (ipa_note_param_call): Create indirect edges instead of
1916         creating notes.  New parameter node.
1917         (ipa_analyze_call_uses): New parameter node, pass it on to
1918         ipa_note_param_call.
1919         (ipa_analyze_stmt_uses): Likewise.
1920         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1921         (print_edge_addition_message): Work on edges rather than on notes.
1922         (update_call_notes_after_inlining): Likewise, renamed to
1923         update_indirect_edges_after_inlining.
1924         (ipa_create_all_structures_for_iinln): New function.
1925         (ipa_free_node_params_substructures): Do not free notes.
1926         (ipa_edge_duplication_hook): Propagate bits within
1927         iinlining_processed_edges bitmap.
1928         (ipa_node_duplication_hook): Do not duplicate notes.
1929         (free_all_ipa_structures_after_ipa_cp): Renamed to
1930         ipa_free_all_structures_after_ipa_cp.
1931         (free_all_ipa_structures_after_iinln): Renamed to
1932         ipa_free_all_structures_after_iinln.
1933         (ipa_write_param_call_note): Removed.
1934         (ipa_read_param_call_note): Removed.
1935         (ipa_write_indirect_edge_info): New function.
1936         (ipa_read_indirect_edge_info): Likewise.
1937         (ipa_write_node_info): Do not stream notes, do stream information
1938         in indirect edges.
1939         (ipa_read_node_info): Likewise.
1940         (lto_ipa_fixup_call_notes): Removed.
1941         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1942         * ipa-inline.c (pass_ipa_inline): Likewise.
1943         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1944         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1945         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1946         is_gimple_call.
1947         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1948         edges.
1949         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1950         (output_cgraph): Stream also indirect edges.
1951         (lto_output_edge): Added capability to stream indirect edges.
1952         (input_edge): Likewise.
1953         (input_cgraph_1): Likewise.
1954         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1955         of indirect edges.
1956
1957 2010-04-28  Richard Guenther  <rguenther@suse.de>
1958
1959         PR tree-optimization/43879
1960         PR tree-optimization/43909
1961         * tree-ssa-structalias.c (struct variable_info): Add
1962         only_restrict_pointers flag.
1963         (new_var_info): Initialize it.  Increment stats.total_vars here.
1964         (create_function_info_for): Do not increment stats.total_vars here.
1965         (get_function_part_constraint): Fix build with C++.
1966         (insert_into_field_list): Remove.
1967         (push_fields_onto_fieldstack): Properly merge fields.
1968         (create_variable_info_for): Split and simplify.
1969         (create_variable_info_for_1): New piece.
1970         (intra_create_variable_infos): Properly make restrict constraints
1971         from parameters.
1972
1973 2010-04-28  Richard Guenther  <rguenther@suse.de>
1974
1975         PR c++/43880
1976         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1977
1978 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1979             Jan Hubicka <hubicka@ucw.cz>
1980
1981         * doc/invoke.texi (-Wsuggest-attribute=const,
1982         -Wsuggest-attribute=pure): Document.
1983         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1984         (function_always_visible_to_compiler_p,
1985         suggest_attribute, warn_function_pure, warn_function_const):
1986         New functions.
1987         (check_call): Improve debug info.
1988         (analyze_function): Do not check availability.
1989         (add_new_function): Check availability.
1990         (propagate): Output warnings.
1991         (skip_function_for_local_pure_const): New function.
1992         (local_pure_const): Use it; output warnings.
1993         * common.opt (Wsuggest-attribute=const,
1994         Wsuggest-attribute=pure): New.
1995
1996 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1997
1998         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1999         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2000         or DW_CFA_def_cfa_offset{,_sf}.
2001
2002 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2003
2004         * tree.h: Fix truncated long macros.
2005
2006 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2007
2008         * collect2.c (TARGET_64BIT): Redefine to target's default.
2009         * tlink.c: Likewise.
2010         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2011         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2012         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2013         for underscoring __USER_LABEL_PREFIX__.
2014         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2015         (SUB_LINK_ENTRY32): New.
2016         (SUB_LINK_ENTRY64): New.
2017         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2018         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2019         (SUB_LINK_ENTRY64): New.
2020         (SUB_LINK_ENTRY): New.
2021         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2022         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2023         x64 target is choosen.
2024         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2025         * configure: Regenerated.
2026         * configure.ac (leading-mingw64-underscores): Option added.
2027
2028 2010-04-27  Jan Hubicka  <jh@suse.cz>
2029
2030         * doc/invoke.texi (-fipa-profile): Document.
2031         * opts.c (decode_options): Enable ipa-profile at -O1.
2032         * timevar.def (TV_IPA_PROFILE): Define.
2033         * common.opt (fipa-profile): Add.
2034         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2035         flag for clones.
2036         (cgraph_propagate_frequency): Handle only local ones.
2037         * tree-pass.h (pass_ipa_profile): Declare.
2038         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2039         (pass_ipa_profile): Use TV_IPA_PROFILE.
2040         * ipa.c (ipa_profile): New function.
2041         (gate_ipa_profile): Likewise.
2042         (pass_ipa_profile): New global variable.
2043         * passes.c (pass_ipa_profile): New.
2044
2045 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2046
2047         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2048
2049 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2050
2051         PR middle-end/43812
2052         * ipa.c (dissolve_same_comdat_group_list): New function.
2053         (function_and_variable_visibility): Call
2054         dissolve_same_comdat_group_list when comdat group contains external or
2055         newly local nodes.
2056         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2057         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2058
2059 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2060
2061         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2062         (const_hash_1) <VECTOR_CST>: New case.
2063         (compare_constant) <VECTOR_CST>: Likewise.
2064         <ADDR_EXPR>: Deal with LABEL_REFs.
2065         (copy_constant) <VECTOR_CST>: New case.
2066
2067 2010-04-27  Jan Hubicka  <jh@suse.cz>
2068
2069         * cgraph.c (cgraph_propagate_frequency): New function.
2070         * cgraph.h (cgraph_propagate_frequency): Declare.
2071         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2072         cgraph_propagate_frequency.
2073
2074 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2075
2076         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2077
2078 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2079
2080         PR target/40657
2081         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2082         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2083         here to determine which regs to push and how much stack to reserve.
2084
2085 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2086
2087         * doc/gimple.texi (gimple_statement_with_ops): Remove
2088         addresses_taken field.
2089         (gimple_statement_with_memory_ops): Likewise.
2090
2091 2010-04-27  Jan Hubicka  <jh@suse.cz>
2092
2093         * tree-inline.c (eni_inlining_weights): Remove.
2094         (estimate_num_insns): Special case more builtins.
2095
2096 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2097
2098         PR c/32207
2099         * c-typeck.c (build_binary_op): Move forward check for comparison
2100         pointer with null pointer constant and adjust the diagnostic message.
2101
2102 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2103
2104         PR lto/42776
2105         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2106         binutils supports extended .section directive needed by LTO, or
2107         warn if older binutils found.
2108         (LTO_BINARY_READER): New AC_SUBST'd variable.
2109         (LTO_USE_LIBELF): Likewise.
2110         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2111         variable.
2112         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2113         (LTO_USE_LIBELF): Likewise.
2114         * configure: Regenerate.
2115
2116         * collect2.c (is_elf): Rename from this ...
2117         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2118          object files in addition to ELF-formatted ones.
2119         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2120         symbol to be prefixed or not by an extra underscore.
2121
2122         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2123         * config/i386/winnt.c: Also #include lto-streamer.h
2124         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2125         LTO named sections.
2126         (i386_pe_asm_output_aligned_decl_common): Add comment.
2127         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2128
2129 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2130
2131         PR target/43889
2132         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2133         Add missing earlyclobber for second alternative.
2134
2135 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2136
2137         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2138         bits for artificial defs at the top of the block.
2139         * fwprop.c (single_def_use_enter_block): Don't call it.
2140
2141 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2142
2143         PR 43715
2144         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2145         instead of "$gcc_cv_objdump -T".
2146         Use "-undefined dynamic_lookup" on darwin.
2147         * gcc/configure: Regenerate.
2148
2149 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2150
2151         PR c/43893
2152         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2153
2154 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2155
2156         * c-parser.c (struct c_token): Move location field up.
2157         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2158         (struct c_declspecs): Convert typespec_word, storage_class, and
2159         default_int_p into bitfields.
2160         (struct c_declarator): Move loc field up.
2161
2162 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2163
2164         * cfgloop.h (struct loop): Move can_be_parallel field up.
2165         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2166         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2167         down.
2168         (struct iv_cand): Convert pos field into a bitfield.
2169         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2170         field up.
2171         (struct _stmt_vec_info): Shuffle fields for better packing.
2172
2173 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2174
2175         * varasm.c (IN_NAMED_SECTION): Remove guard.
2176         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2177         (IN_NAMED_SECTION_P): ...this.
2178         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2179         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2180
2181 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2182
2183         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2184         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2185         of shadowing it.  Fix comments.
2186
2187 2010-04-26  Jan Hubicka  <jh@suse.cz>
2188
2189         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2190         (cgraph_clone_node): Copy function frequency.
2191         * cgraph.h (node_frequency): New enum
2192         (struct cgraph_node): Add.
2193         * final.c (rest_of_clean_state): Update.
2194         * lto-cgraph.c (lto_output_node): Output node frequency.
2195         (input_overwrite_node): Input node frequency.
2196         * tre-ssa-loop-ivopts (computation_cost): Update.
2197         * lto-streamer-out.c (output_function): Do not output function
2198         frequency.
2199         * predict.c (maybe_hot_frequency_p): Update and handle functions
2200         executed once.
2201         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2202         attribute lookup.
2203         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2204         (compute_function_frequency): Set noreturn functions to be executed
2205         once.
2206         (choose_function_section): Update.
2207         * lto-streamer-in.c (input_function): Do not input function frequency.
2208         * function.c (allocate_struct_function): Do not initialize function
2209         frequency.
2210         * function.h (function_frequency): Remove.
2211         (struct function): Remove function frequency.
2212         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2213         (try_update): Update.
2214         * tree-inline.c (initialize_cfun): Do not update function frequency.
2215         * passes.c (pass_init_dump_file): Update.
2216         * i386.c (ix86_compute_frame_layout): Update.
2217         (ix86_pad_returns): Update.
2218
2219 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2220
2221         PR tree-optimization/43833
2222         * tree-vrp.c (range_int_cst_p): New.
2223         (range_int_cst_singleton_p): New.
2224         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2225         when both operands are constants.  Use range_int_cst_p in
2226         BIT_IOR_EXPR case.
2227
2228 2010-04-26  Jan Hubicka  <jh@suse.cz>
2229
2230         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2231
2232 2010-04-26  Richard Guenther  <rguenther@suse.de>
2233
2234         PR lto/43080
2235         * gimple.c (gimple_decl_printable_name): Deal gracefully
2236         with a NULL DECL_NAME.
2237
2238 2010-04-26  Richard Guenther  <rguenther@suse.de>
2239
2240         PR lto/42425
2241         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2242         if emitting debug information and it is either a function
2243         or a namespace decl.
2244
2245 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2246
2247         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2248         determine if the statement is vectorizable, and a macro to access it.
2249         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2250         Skip statements that can't be vectorized. If the analysis fails,
2251         mark the statement as unvectorizable if vectorizing basic block.
2252         (vect_compute_data_refs_alignment): Likewise.
2253         (vect_verify_datarefs_alignment): Skip statements marked as
2254         unvectorizable. Add print.
2255         (vect_analyze_group_access): Skip statements that can't be
2256         vectorized. If the analysis fails, mark the statement as
2257         unvectorizable if vectorizing basic block.
2258         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2259         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2260         generated stmts for SLP.
2261         (new_stmt_vec_info): Initialize the new field.
2262         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2263         statements marked as unvectorizable.
2264
2265 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2266
2267         * c-common.c (flag_isoc1x): New.
2268         (flag_isoc99): Update comment.
2269         * c-common.h (flag_isoc1x): New.
2270         (flag_isoc99): Update comment.
2271         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2272         __<type>_DECIMAL_DIG__.
2273         * c-opts.c (set_std_c1x): New.
2274         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2275         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2276         * c.opt (-std=c1x, -std=gnu1x): New options.
2277         * doc/cpp.texi: Mention -std=c1x.
2278         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2279         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2280         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2281         * doc/standards.texi: Mention C1X.
2282         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2283         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2284         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2285         Define for C1X.
2286
2287 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2288
2289         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2290         placeholder from 0x%x to %#x.
2291         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2292         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2293         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2294         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2295         * config/i386/i386.c (ix86_target_string): Ditto.
2296         (output_pic_addr_const): Ditto.
2297         (print_operand): Ditto.
2298
2299 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2300
2301         * combine.c (find_split_point): Add third argument.  Use it
2302         to find nested multiply-accumulate instructions.  Adjust calls.
2303         (try_combine): Adjust call to find_split_point.
2304
2305 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2306
2307         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2308
2309 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2310
2311         PR tree-optimization/41442
2312         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2313         (fold_binary_loc): Call it.
2314
2315 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2316
2317         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2318         * opts.c (common_handle_option): Allow disabling it.
2319         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2320
2321 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2322
2323         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2324         between modes if both types are integral.
2325
2326 2010-04-23  Richard Guenther  <rguenther@suse.de>
2327
2328         PR tree-optimization/43572
2329         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2330
2331 2010-04-23  Richard Guenther  <rguenther@suse.de>
2332
2333         PR lto/43455
2334         * tree-inline.c (tree_can_inline_p): Also check compatibility
2335         of return types.
2336
2337 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2338
2339         PR tree-optimization/43846
2340         * tree-sra.c (struct access): New flag grp_assignment_read.
2341         (build_accesses_from_assign): Set grp_assignment_read.
2342         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2343         (enum mark_read_status): New type.
2344         (analyze_access_subtree): Propagate grp_assignment_read, create
2345         accesses also if both direct_read and root->grp_assignment_read.
2346
2347 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2348
2349         PR middle-end/43835
2350         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2351         function does not have type attributes.
2352
2353 2010-04-23  Richard Guenther  <rguenther@suse.de>
2354
2355         PR lto/42653
2356         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2357         of FUNCTION_DECLs.
2358
2359 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2360
2361         * sese.h (create_if_region_on_edge): Remove.
2362
2363         * sese.c (create_if_region_on_edge): Make static.
2364
2365         * tree-inline.c: Do not include ggc.h.
2366
2367         * expr.c: Do not include ggc.h.
2368
2369         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2370         dependencies.
2371
2372 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2373
2374         PR target/43744
2375         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2376         in the middle of insns for casesi_worker_2.
2377
2378 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2379
2380         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2381
2382 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2383
2384         PR tree-optimization/43842
2385         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2386         loop unrolling in update of exit phis. Fix comment.
2387         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2388         least two reduction statements in the loop before starting SLP
2389         analysis.
2390
2391 2010-04-22  Nick Clifton  <nickc@redhat.com>
2392
2393         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2394
2395 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2396
2397         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2398         to simplify a + ~a.
2399
2400 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2401
2402         * tree-parloops.c (loop_parallel_p): New argument
2403         parloop_obstack.  Pass it down.
2404         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2405         pass it down, free it.
2406
2407         * tree-loop-linear.c (linear_transform_loops): Pass down
2408         lambda_obstack.
2409
2410         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2411         of type struct obstack *.
2412
2413         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2414         scratch_obstack.  Initialize it, pass down, free it.
2415
2416         * lambda.h (lambda_loop_new): Remove.
2417         (lambda_matrix_new, lambda_matrix_inverse)
2418         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2419         argument of type struct obstack *.
2420
2421         * lambda-trans.c (lambda_trans_matrix_new): New argument
2422         lambda_obstack.  Pass it down, use obstack allocation for ret.
2423         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2424         it down.
2425
2426         * lambda-mat.c (lambda_matrix_get_column)
2427         (lambda_matrix_project_to_null): Remove.
2428         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2429         allocation for mat.
2430         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2431         lambda_obstack.
2432
2433         * lambda-code.c (lambda_loop_new): New function.
2434         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2435         (lambda_compute_auxillary_space, lambda_compute_target_space)
2436         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2437         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2438         (build_access_matrix): New argument lambda_obstack.  Use obstack
2439         allocation for am.
2440         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2441         argument lambda_obstack.  Pass it down.
2442
2443 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2444
2445         * optabs.h (expand_widening_mult): Declare.
2446
2447 2010-04-22  Richard Guenther  <rguenther@suse.de>
2448
2449         PR tree-optimization/43845
2450         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2451         lookup the CALL_EXPR function and arguments.
2452
2453 2010-04-22  Nick Clifton  <nickc@redhat.com>
2454
2455         * config/stormy16/stormy16.c
2456         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2457         * config/stormy16/stormy16.h: Tidy up formatting.
2458         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2459         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2460         (ineqbranchsi): Delete pattern.
2461         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2462         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2463         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2464         stormy16-lib2-ucmpsi2.c.
2465
2466 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2467
2468         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2469         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2470         extra set merge_set_noclobber, and use it to relax the final test
2471         slightly.
2472         * df.h (df_simulate_find_noclobber_defs): Declare.
2473         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2474         conditional defs.
2475         (df_simulate_find_noclobber_defs): New function.
2476
2477 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2478
2479         * config/i386/i386.md: Use {} around multi-line preparation statements.
2480
2481 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2482
2483         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2484         (process_init_element): New argument of type struct obstack *.
2485
2486         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2487         (set_init_index, set_init_label, set_nonincremental_init)
2488         (set_nonincremental_init_from_string, find_init_member)
2489         (output_init_element, output_pending_init_elements)
2490         (process_init_element): New argument braced_init_obstack.  Pass it
2491         down.
2492         (push_range_stack, add_pending_init): New argument
2493         braced_init_obstack.  Use obstack allocation.
2494
2495         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2496         braced_init_obstack.  Pass it down.
2497         (c_parser_braced_init): New variables ret, braced_init_obstack.
2498         Initialize obstack, pass it down and finally free it.
2499
2500 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2501
2502         PR middle-end/29274
2503         * tree-pass.h (pass_optimize_widening_mul): Declare.
2504         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2505         gate_optimize_widening_mul): New static functions.
2506         (pass_optimize_widening_mul): New.
2507         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2508         <case MULT_EXPR>: Remove support for widening multiplies.
2509         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2510         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2511         simplify_gen_unary rather than directly building extensions.
2512         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2513         WIDEN_MULT_EXPR.
2514         * expmed.c (expand_widening_mult): New function.
2515         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2516
2517 2010-04-21  Jan Hubicka  <jh@suse.cz>
2518
2519         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2520         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2521         * lto-wpa-fixup.c: Remove.
2522         * Makefile.in (lto-wpa-fixup.o): Remove.
2523         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2524         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2525         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2526
2527 2010-04-21  Jan Hubicka  <jh@suse.cz>
2528
2529         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2530         add write_optimization_summary, read_optimization_summary.
2531         (ipa_write_summaries_of_cgraph_node_set): Remove.
2532         (ipa_write_optimization_summaries): Declare.
2533         (ipa_read_optimization_summaries): Declare.
2534         * ipa-cp.c (pass_ipa_cp): Update.
2535         * ipa-reference.c (pass_ipa_reference): Update.
2536         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2537         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2538         Update.
2539         * ipa-inline.c (pass_ipa_inline): Update.
2540         * ipa.c (pass_ipa_whole_program): Update.
2541         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2542         * passes.c (ipa_write_summaries_1): Do not test wpa.
2543         (ipa_write_optimization_summaries_1): New.
2544         (ipa_write_optimization_summaries): New.
2545         (ipa_read_summaries): Do not test ltrans.
2546         (ipa_read_optimization_summaries_1): New.
2547         (ipa_read_optimization_summaries): New.
2548
2549 2010-04-21  Jan Hubicka  <jh@suse.cz>
2550
2551         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2552         for boundary nodes.
2553         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2554
2555 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2556
2557         PR debug/40040
2558         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2559         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2560
2561 2010-04-21  Jan Hubicka  <jh@suse.cz>
2562
2563         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2564
2565 2010-04-21  Jan Hubicka  <jh@suse.cz>
2566
2567         * varpool.c (decide_is_variable_needed): Variable is always needed
2568         during ltrans.
2569
2570 2010-04-21  Jan Hubicka  <jh@suse.cz>
2571
2572         * opts.c (decode_options): Enable pure-const pass for whopr.
2573
2574 2010-04-21  Jan Hubicka  <jh@suse.cz>
2575
2576         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2577         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2578         at WPA dumping.
2579         (cgraph_decide_inlining): Do not expect callee to be removed in all
2580         cases.
2581
2582 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2583
2584         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2585
2586 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2587
2588         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2589         amdfam10_decode attributes.
2590
2591 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2592
2593         PR middle-end/43570
2594         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2595         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2596         (lower_copyprivate_clauses): Use private var in outer
2597         context instead of original var.  Make sure the types
2598         are correct for VLAs.
2599
2600 2010-04-21  Richard Guenther  <rguenther@suse.de>
2601
2602         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2603         to non-pointer objects.
2604
2605 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2606
2607         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2608         last chain entry if it starts with the still current label.
2609         (add_location_or_const_value_attribute): Check that
2610         loc_list->first->next is NULL instead of comparing ->first with ->last.
2611         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2612         to add_var_loc_to_decl.
2613
2614         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2615         >= 4 add also address size and segment size fields into CIE header.
2616
2617         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2618         long as address size is the same as sizeof (void *) and
2619         segment size is 0.
2620         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2621         address size or segment size is unexpected, return DW_EH_PE_omit.
2622         (classify_object_over_fdes): If get_cie_encoding returned
2623         DW_EH_PE_omit, return -1.
2624         (init_object): If classify_object_over_fdes returned -1,
2625         pretend there were no FDEs at all.
2626
2627 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2628
2629         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2630         bswap{si,di}2 using SWI48 mode iterator.
2631         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2632         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2633         set modrm attribute of bswap insn to 0 and remove length attribute.
2634         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2635         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2636         set mode attribute to <MODE> and remove length attribute.
2637
2638 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2639
2640         PR rtl-optimization/43520
2641         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2642         zero available registers.
2643
2644 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2645
2646         * builtins.c (fold_builtin_cproj): Fold more cases.
2647
2648 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2649
2650         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2651         (fold_builtin_1): Fold builtin cproj.
2652         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2653         Use ATTR_CONST_NOTHROW_LIST.
2654
2655 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2656
2657         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2658         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2659         ffsi2_no_cmove for !TARGET_CMOVE.
2660         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2661         (ffssi2): Remove expander.
2662         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2663         mode iterator.
2664         (ctz<mode>2): Ditto from ctz{si,di}2.
2665         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2666         mode iterator.
2667         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2668         mode iterator.
2669
2670 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2671
2672         * dwarf2out.c (AT_linkage_name): Define.
2673         (clone_as_declaration): Handle DW_AT_linkage_name.
2674         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2675         of DW_AT_MIPS_linkage_name.
2676         (move_linkage_attr): Likewise.
2677         (dwarf2out_finish): Likewise.
2678
2679 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2680
2681         PR middle-end/41952
2682         * fold-const.c (fold_comparison): New folding rule.
2683
2684 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2685
2686         * double-int.h (double_int_setbit): Declare.
2687         * double-int.c (double_int_setbit): New function.
2688         * rtl.h (immed_double_int_const): Declare.
2689         * emit-rtl.c (immed_double_int_const): New function.
2690         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2691         and immed_double_int_const functions.
2692         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2693         expand_copysign_bit):  (Ditto.).
2694         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2695         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2696         * dojump.c (prefer_and_bit_test): (Ditto.).
2697         * expr.c (convert_modes, reduce_to_bit_field_precision,
2698         const_vector_from_tree): (Ditto.).
2699         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2700
2701 2010-04-20  Jan Hubicka  <jh@suse.cz>
2702
2703         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2704         (dump_cgraph_node): Dump new flags.
2705         * cgraph.h (struct cgraph_node): Add flags
2706         reachable_from_other_partition and in_other_partition.
2707         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2708         other partition can not be removed.
2709         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2710         the other partition must be output; silence sanity checking on
2711         leaking functions bodies from other paritition.
2712         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2713         (lto_output_node): Output new flags; do not sanity check that inline
2714         clones are output; drop lto_forced_extern_inline_p code; do not mock
2715         visibility flags at partition boundaries.
2716         (add_node_to): New function.
2717         (output_cgraph): Use it to sort functions so masters appear before
2718         clones.
2719         (input_overwrite_node): Input new flags.
2720         * passes.c (ipa_write_summaries): Do not call
2721         lto_new_extern_inline_states.
2722         * lto-section-out.c (forced_extern_inline,
2723         lto_new_extern_inline_states lto_delete_extern_inline_states,
2724         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2725         * lto-streamer.h (lto_new_extern_inline_states,
2726         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2727         lto_forced_extern_inline_p): Kill.
2728
2729 2010-04-20  Richard Guenther  <rguenther@suse.de>
2730
2731         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2732         from vars that can have pointers.
2733         (process_constraint): Dump useless constraints.
2734
2735 2010-04-20  Richard Guenther  <rguenther@suse.de>
2736
2737         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2738         (dump_sa_points_to_info): Remove asserts.
2739         (init_base_vars): nothing_id isn't an escape point nor does it
2740         have pointers.
2741
2742 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2743
2744         * tree.h (TYPE_REF_IS_RVALUE): Define.
2745         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2746         should_move_die_to_comdat, prune_unused_types_walk): Handle
2747         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2748         (modified_type_die, gen_reference_type_die): Emit
2749         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2750         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2751
2752 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2753
2754         PR target/43635
2755         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2756         calls for -fpic -m31 if they have been sibcall optimized.
2757
2758 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2759
2760         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2761         ar.lc fixed and call-used.
2762
2763         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2764
2765 2010-04-19  Jan Hubicka  <jh@suse.cz>
2766
2767         * opts.c (decode_options): Disable whpr incompatible passes.
2768         * lto/lto.c (lto_1_to_1_map): Skip clones.
2769         (read_cgraph_and_symbols): Do not mark everything as needed.
2770         (do_whole_program_analysis): Do map only after optimizing;
2771         set proper cgraph_state; use passmanager.
2772
2773 2010-04-19  DJ Delorie  <dj@redhat.com>
2774
2775         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2776         POINTER_PLUS_EXPR and fix them.
2777
2778 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2779
2780         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2781         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2782         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2783         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2784         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2785         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2786         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2787         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2788         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2789         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2790         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2791
2792 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2793
2794         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2795         (check_cond_move_block): Likewise.
2796         (cond_move_process_if_block): Likewise.
2797         (noce_find_if_block): Improve formatting.
2798         (find_if_header): Pass 0 to memset and tweak conditions.
2799         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2800
2801 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2802
2803         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2804         for -gdwarf-4.
2805
2806         PR middle-end/43337
2807         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2808         with non-local decl doesn't need chain.
2809
2810 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2811
2812         * ira-color.c (allocno_reload_assign): Avoid accumulating
2813         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2814
2815 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2816
2817         * gimple.h (create_tmp_reg): Declare.
2818         * gimplify.c (create_tmp_reg): New function.
2819         (gimplify_return_expr): Use create_tmp_reg.
2820         (gimplify_omp_atomic): Likewise.
2821         (gimple_regimplify_operands): Likewise.
2822         * tree-dfa.c (make_rename_temp): Likewise.
2823         * tree-predcom.c (predcom_tmp_var): Likewise.
2824         (reassociate_to_the_same_stmt): Likewise.
2825         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2826         (get_replaced_param_substitute): Likewise.
2827         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2828         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2829         * tree-ssa-pre.c (get_representative_for): Likewise.
2830         (create_expression_by_pieces): Likewise.
2831         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2832         (create_tailcall_accumulator): Likewise.
2833
2834 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2835
2836         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2837         new_stmt.
2838         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2839
2840 2010-04-19  Richard Guenther  <rguenther@suse.de>
2841
2842         PR tree-optimization/43796
2843         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2844         from SCEV in the lattice.
2845         (vrp_visit_phi_node): Dump change.
2846
2847 2010-04-19  Richard Guenther  <rguenther@suse.de>
2848
2849         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2850         * configure: Re-generated.
2851
2852 2010-04-19  Richard Guenther  <rguenther@suse.de>
2853
2854         PR tree-optimization/43783
2855         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2856         constant ARRAY_REF operands two and three if possible.
2857
2858 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2859
2860         PR target/43766
2861         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2862
2863 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2864
2865         PR target/43662
2866         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2867
2868 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2869
2870         PR tree-optimization/37027
2871         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2872         and macro to access it.
2873         (vectorizable_reduction): Add argument.
2874         (vect_get_slp_defs): Likewise.
2875         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2876         statements for possible use in SLP.
2877         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2878         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2879         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2880         add new argument.
2881         (vectorizable_reduction): Likewise.
2882         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2883         vect_get_slp_defs.
2884         (vectorizable_type_demotion, vectorizable_type_promotion,
2885         vectorizable_store): Likewise.
2886         (vect_analyze_stmt): Update call to vectorizable_reduction.
2887         (vect_transform_stmt): Likewise.
2888         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2889         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2890         from different interleaving chains in same node.
2891         (vect_slp_rearrange_stmts): New function.
2892         (vect_supported_load_permutation_p): Allow load permutations for
2893         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2894         inside SLP nodes if necessary.
2895         (vect_analyze_slp_instance): Handle reductions.
2896         (vect_analyze_slp): Try to build SLP instances originating from groups
2897         of reductions.
2898         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2899         (vect_get_constant_vectors): Create initial vectors for reductions
2900         according to reduction code. Add new argument.
2901         (vect_get_slp_defs): Add new argument, pass it to
2902         vect_get_constant_vectors.
2903         (vect_schedule_slp_instance): Remove SLP tree root statements.
2904
2905 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2906
2907         * tree.h (ENUM_IS_SCOPED): Define.
2908         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2909         for ENUM_IS_SCOPED enums.
2910
2911 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2912
2913         * fold-const.c (fold_comparison): Use ssizetype.
2914         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2915         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2916         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2917         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2918
2919         * tree.h (initialize_sizetypes): Remove parameter.
2920         (build_common_tree_nodes): Remove second parameter.
2921         * stor-layout.c (initialize_sizetypes): Remove parameter.
2922         Always create an unsigned type.
2923         (set_sizetype): Assert that the passed type is unsigned and simplify.
2924         * tree.c (build_common_tree_nodes): Remove second parameter.
2925         Adjust call to initialize_sizetypes.
2926         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2927         build_common_tree_nodes.
2928
2929 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2930
2931         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2932
2933 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2934
2935         PR tree-optimization/43771
2936         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2937         load permutation doesn't have gaps.
2938
2939 2010-04-18  Jan Hubicka  <jh@suse.cz>
2940
2941         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2942         (sse_prologue_save_insn expander): Use new pattern.
2943         (sse_prologue_save_insn1): New pattern and splitter.
2944         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2945         blocks.
2946         * i386.c (setup_incoming_varargs_64): Do not compute jump
2947         destination here.
2948         (ix86_gimplify_va_arg): Update alignment needed.
2949         (ix86_local_alignment): Do not align all local arrays to 128bit.
2950
2951 2010-04-17  Jan Hubicka  <jh@suse.cz>
2952
2953         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2954
2955 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2956
2957         * arm.md (negdi2): Remove redundant code to force values into a
2958         register.
2959
2960 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2961
2962         * arm/bpabi.S: Add EABI alignment attributes to objects.
2963         * arm/bpabi-v6m.S: Likewise.
2964         * arm/crti.asm: Likewise.
2965         * arm/crtn.asm: Likewise.
2966         * arm/lib1funcs.asm: Likewise.
2967         * arm/libunwind.S: Likewise.
2968
2969 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2970
2971         * arm-protos.h (tune_params): New structure.
2972         * arm.c (current_tune): New variable.
2973         (arm_constant_limit): Delete.
2974         (struct processors): Add pointer to the tune parameters.
2975         (arm_slowmul_tune): New tuning option.
2976         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2977         (all_cores): Adjust to pick up the tuning model.
2978         (arm_constant_limit): New function.
2979         (arm_override_options): Select the appropriate tuning model.  Delete
2980         initialization of arm_const_limit.
2981         (arm_split_constant): Use the new constant-limit model.
2982         (arm_rtx_costs): Pick up the current tuning model.
2983         * arm.md (is_strongarm, is_xscale): Delete.
2984         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2985         for Xscale variant architectures.
2986         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2987
2988 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2989
2990         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2991         can_shift.
2992         (arm_rtx_costs_1): Remove unused variable extra_cost.
2993         (arm_unwind_emit_set): Use variable offset.
2994         (thumb1_output_casesi): Remove unused variable flags.
2995
2996 2010-04-16  Jeff Law  <law@redhat.com>
2997
2998         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2999         needing assignment rather than doing a two-phase assignment.  Remove
3000         unused variable 'm'.
3001
3002 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3003
3004         PR bootstrap/43767
3005         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3006
3007 2010-04-16  Doug Kwan  <dougkwan@google.com>
3008
3009         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3010         (next_operand_entry_id): New static variable.
3011         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3012         (add_to_ops_vec): Assigned unique ID to operand entry.
3013         (struct oecount_s): New field ID.
3014         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3015         (undistribute_ops_list): Assign unique IDs to oecounts.
3016         (init_reassoc): reset next_operand_entry_id.
3017
3018 2010-04-16  Doug Kwan  <dougkwan@google.com>
3019
3020         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3021         missing left parenthesis.
3022
3023 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3024
3025         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3026         *btdi_rex64 using SWI48 mode iterator.
3027         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3028         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3029         *jcc_btdi_mask_rex64.
3030
3031 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3032
3033         * double-int.h (tree_to_double_int): Convert to macro.
3034         * double-int.c (tree_to_double_int): Remove.
3035
3036 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3037
3038         PR debug/43762
3039         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3040         with want_address 2 and in case a single element list might be
3041         possible, call it again with want_address 0.
3042
3043 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3044
3045         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3046         case 'W' print operands for HI mode.
3047         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3048         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3049         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3050         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3051
3052         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3053
3054         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3055         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3056         #xx:3 and #xx:4 mode.
3057
3058         * config/h8300/h8300.md (inverted load with HImode dest): Add
3059         support for H8300SX.
3060
3061         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3062         satisfy 'U' constraint.
3063
3064 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3065
3066         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3067         * configure: Regenerate.
3068         * config.in: Regenerate.
3069         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3070         works.
3071
3072 2010-04-16  Richard Guenther  <rguenther@suse.de>
3073
3074         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3075         (struct tree_decl_common): ... here.
3076         (DECL_PT_UID): Adjust.
3077         (SET_DECL_PT_UID): Likewise.
3078         (DECL_PT_UID_SET_P): Likewise.
3079
3080 2010-04-16  Richard Guenther  <rguenther@suse.de>
3081
3082         PR tree-optimization/43572
3083         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3084         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3085         * tree-flow.h (is_call_clobbered): Remove.
3086         * tree-flow-inline.h (is_call_clobbered): Likewise.
3087         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3088         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3089         (execute_return_slot_opt): Adjust.
3090         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3091         check for call clobbered vars here.
3092         (find_tail_calls): Move tailcall verification to the
3093         proper place.
3094
3095 2010-04-16  Diego Novillo  <dnovillo@google.com>
3096
3097         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3098
3099 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3100
3101         PR target/40603
3102         * config/arm/arm.md (cbranchqi4): New pattern.
3103         * config/arm/predicates.md (const0_operand,
3104         cbranchqi4_comparison_operator): New predicates.
3105
3106 2010-04-16  Richard Guenther  <rguenther@suse.de>
3107
3108         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3109         (dump_gimple_stmt): Likewise.
3110
3111 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3112
3113         * recog.h (struct recog_data): New field is_operator.
3114         (struct insn_operand_data): New field is_operator.
3115         * recog.c (extract_insn): Set recog_data.is_operator.
3116         * genoutput.c (output_operand_data): Emit code to set the
3117         is_operator field.
3118         * reload.c (find_reloads): Use it rather than testing for an
3119         empty constraint string.
3120
3121         PR target/41514
3122         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3123         If the previous insn is a cbranchsi4_insn with the same arguments,
3124         omit the compare instruction.
3125
3126         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3127         register, inputs must be low registers and we need a low register
3128         scratch.  Handle alternative 2 like alternative 3.
3129
3130 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3131
3132         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3133         don't call get_addr on both.  If one expression is a VALUE and
3134         the other a REG, check VALUE's locs if the REG isn't among them.
3135
3136 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3137
3138         * config/sh/sh.h (sh_frame_pointer_required): New function.
3139         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3140         (flag_omit_frame_pointer) Set.
3141         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3142         (rounded_frame_size): Adjust size with outgoing_args_size.
3143         (sh_set_return_address): Must return from stack pointer.
3144         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3145         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3146         (ACCUMULATE_OUTGOING_ARGS): Define.
3147         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3148         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3149
3150 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3151
3152         PR target/43471
3153         * config/sh/sh.c (sh_legitimize_reload_address): Use
3154         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3155         Remove a unneeded check for offset_base.
3156
3157 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3158
3159         * configure: Regenerated.
3160
3161 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3162
3163         * config/s390/s390.c (s390_call_save_register_used): Switch back
3164         to HARD_REGNO_NREGS.
3165
3166 2010-04-15  Richard Guenther  <rguenther@suse.de>
3167
3168         * alias.c (alias_set_subset_of): Handle alias-set zero
3169         child properly.
3170
3171 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3172             Julian Brown  <julian@codesourcery.com>
3173
3174         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3175         alternatives according to use of high and low regs.
3176         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3177         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3178         optimizing for size on Thumb-2.
3179
3180 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3181
3182         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3183
3184 2010-04-15  Richard Guenther  <rguenther@suse.de>
3185
3186         * tree-ssa-structalias.c (struct variable_info): Add
3187         is_fn_info flag.
3188         (new_var_info): Initialize it.
3189         (dump_constraints): Support printing last added constraints.
3190         (debug_constraints): Adjust.
3191         (dump_constraint_graph): Likewise.
3192         (make_heapvar_for): Check for NULL cfun.
3193         (get_function_part_constraint): New function.
3194         (get_fi_for_callee): Likewise.
3195         (find_func_aliases): Properly implement IPA PTA constraints.
3196         (process_ipa_clobber): New function.
3197         (find_func_clobbers): Likewise.
3198         (insert_into_field_list_sorted): Remove.
3199         (create_function_info_for): Properly allocate vars for IPA mode.
3200         Do not use insert_into_field_list_sorted.
3201         (create_variable_info_for): Properly generate constraints for
3202         global vars in IPA mode.
3203         (dump_solution_for_var): Always dump the solution.
3204         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3205         (find_what_var_points_to): Adjust.
3206         (pt_solution_set): Change.
3207         (pt_solution_ior_into): New function.
3208         (pt_solution_empty_p): Export.
3209         (pt_solution_includes_global): Adjust.
3210         (pt_solution_includes_1): Likewise.
3211         (pt_solutions_intersect_1): Likewise.
3212         (dump_sa_points_to_info): Check some invariants.
3213         (solve_constraints): Move constraint dumping ...
3214         (compute_points_to_sets): ... here.
3215         (ipa_pta_execute): ... and here.
3216         (compute_may_aliases): Do not re-compute points-to info
3217         locally if IPA info is available.
3218         (ipa_escaped_pt): New global var.
3219         (ipa_pta_execute): Properly implement IPA PTA.
3220         * tree-into-ssa.c (dump_decl_set): Support dumping
3221         decls not in referenced-vars.
3222         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3223         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3224         (dump_points_to_solution): Likewise.
3225         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3226         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3227         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3228         (copy_decl_to_var): Copy DECL_PT_UID.
3229         (copy_result_decl_to_var): Likewise.
3230         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3231         (copy_node_stat): Copy it.
3232         * tree.h (DECL_PT_UID): New macro.
3233         (SET_DECL_PT_UID): Likewise.
3234         (DECL_PT_UID_SET_P): Likewise.
3235         (struct tree_decl_minimal): Add pt_uid member.
3236         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3237         (pt_solution_empty_p): Declare.
3238         (pt_solution_set): Adjust.
3239         (ipa_escaped_pt): Declare.
3240         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3241         * gimple-pretty-print.c (pp_points_to_solution): New function.
3242         (dump_gimple_call): Dump call clobber/use information.
3243         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3244         * tree-pass.h (TDF_ALIAS): New dump option.
3245         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3246         * doc/invoke.texi (-fipa-pta): Update documentation.
3247
3248 2010-04-15  Richard Guenther  <rguenther@suse.de>
3249
3250         * Makefile.in (OBJS-common): Add gimple-fold.o.
3251         (gimple-fold.o): New rule.
3252         * tree.h (maybe_fold_offset_to_reference,
3253         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3254         prototypes ...
3255         * gimple.h: ... here.
3256         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3257         may_propagate_address_into_dereference): Move prototypes ...
3258         * gimple.h: ... here.
3259         * tree-ssa-ccp.c (get_symbol_constant_value,
3260         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3261         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3262         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3263         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3264         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3265         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3266         gimplify_and_update_call_from_tree): Move ...
3267         * gimple-fold.c: ... here.  New file.
3268         (ccp_fold_builtin): Rename to ...
3269         (gimple_fold_builtin): ... this.
3270         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3271
3272 2010-04-15  Richard Guenther  <rguenther@suse.de>
3273
3274         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3275         fit_double_type, force_fit_type_double, add_double_with_sign,
3276         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3277         lrotate_double, rrotate_double, div_and_round_double): Move ...
3278         * double-int.c: ... here.
3279         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3280         add_double, neg_double, mul_double_with_sign, mul_double,
3281         lshift_double, rshift_double, lrotate_double, rrotate_double,
3282         div_and_round_double): Move prototypes ...
3283         * double-int.h: ... here.
3284
3285 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3286
3287         PR target/43742
3288         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3289         matching constraints to ensure inputs match the output.
3290
3291 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3292
3293         PR target/43742
3294         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3295         in an input-only operand.
3296
3297 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3298
3299         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3300         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3301         (double_int_negative_p): Convert to static inline function.
3302         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3303         (double_int_negative_p): Remove.
3304         * tree.h (lshift_double, rshift_double):
3305         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3306         * fold-const.c (fold_convert_const_int_from_real,
3307         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3308         (lshift_double): Change type of arith argument to bool.
3309         (rshift_double): Change type of arith argument to bool. Correct
3310         comment.
3311         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3312
3313 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3314
3315         PR target/21803
3316         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3317         at the start and end of the then/else blocks, and omit them from the
3318         conversion.
3319         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3320         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3321         (flow_find_head_matching_sequence): New function.
3322         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3323         * basic-block.h (flow_find_cross_jump,
3324         flow_find_head_matching_sequence): Declare functions.
3325
3326 2010-04-14  Jason Merrill  <jason@redhat.com>
3327
3328         PR c++/36625
3329         * c-common.c (attribute_takes_identifier_p): New fn.
3330         * c-common.h: Declare it.
3331
3332 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3333
3334         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3335         splitter condition.
3336         (*udivmod<mode>4): Ditto.
3337
3338 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3339
3340         * config/i386/i386.md (maxmin_int): Rename code attribute from
3341         maxminiprefix and update all users.
3342         (maxmin_float): Ditto from maxminfprefix.
3343         (logic): Ditto from logicprefix.
3344         (absneg_mnemonic): Ditto from absnegprefix.
3345         * config/i386/mmx.md: Update all users of maxminiprefix,
3346         maxminfprefix and logicprefix for rename.
3347         * config/i386/sse.md: Ditto.
3348         * config/i386/sync.md (sync_<code><mode>): Update for
3349         logicprefix rename.
3350
3351 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3352
3353         PR 42966
3354         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3355         warnings converted to errors.
3356
3357 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3358
3359         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3360         used insn_type variable.
3361         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3362         to avoid set-but-not-used warning.
3363
3364 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3365
3366         * df-core.c (df_ref_debug): Change format string placeholder
3367         from 0x%x to %#x.
3368         * dwarf2asm.c (dw2_asm_output_data_raw,
3369         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3370         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3371         * dwarf2out.c (output_cfi, output_cfi_directive,
3372         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3373         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3374         Ditto.
3375         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3376         * print-rtl.c (print_rtx): Ditto.
3377
3378 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3379
3380         PR middle-end/42694
3381         * builtins.c (expand_builtin_pow_root): New function to expand pow
3382         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3383         series of sqrt and cbrt calls under -ffast-math.
3384         (expand_builtin_pow): Call it.
3385
3386 2010-04-14  Michael Matz  <matz@suse.de>
3387
3388         PR tree-optimization/42963
3389         * tree-cfg.c (touched_switch_bbs): New static variable.
3390         (group_case_labels_stmt): New function broken out from ...
3391         (group_case_labels): ... here, use the above.
3392         (start_recording_case_labels): Allocate touched_switch_bbs.
3393         (end_recording_case_labels): Deallocate it, call
3394         group_case_labels_stmt.
3395         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3396
3397 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3398
3399         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3400         from insn template.
3401
3402 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3403
3404         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3405
3406 2010-04-13  Jan Hubicka  <jh@suse.cz>
3407
3408         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3409         of optimized out static functions.
3410         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3411         cost computation.  Also sanity check for overflows.
3412         (update_caller_keys): Update cgraph_edge_badness call; properly
3413         update fibheap and sanity check that it is up to date.
3414         (add_new_edges_to_heap): Update cgraph_edge_badness.
3415         (cgraph_decide_inlining_of_small_function): Likewise;
3416         add sanity checking that badness in heap is up to date;
3417         improve dumping of reason; Update badness of calls to the
3418         offline copy of function currently inlined; dump badness
3419         of functions not inlined because of unit growth limits.
3420
3421 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3422
3423         PR middle-end/32628
3424         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3425         because of sign-extension change when converting to sizetype here...
3426         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3427
3428         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3429         the folding to constants.  Remove redundant final conversion.
3430         (fold_binary) <associate>: Do not associate if the re-association of
3431         constants alone overflows.
3432         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3433         to the end of the list.
3434         (multiple_of_p) <COND_EXPR>: New case.
3435
3436 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3437
3438         * opt-functions.awk (opt_sanitized_name): New.
3439         (opt_enum): New.
3440         * optc-gen.awk: Use it
3441         * opth-gen.awk: Use it.
3442
3443 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3444
3445         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3446         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3447         children.  Call replace_uses_with_default_def_ssa_name to handle
3448         SSA_NAES on lhs.
3449
3450 2010-04-13  Michael Matz  <matz@suse.de>
3451
3452         PR middle-end/43730
3453         * builtins.c (expand_builtin_interclass_mathfn): Also create
3454         a register if the predicate doesn't match.
3455
3456 2010-04-13  Diego Novillo  <dnovillo@google.com>
3457
3458         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3459         * c-pch.c: Include timevar.h.
3460         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3461         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3462         * ggc-common.c: Include timevar.h.
3463         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3464         * timevar.def (TV_PCH_SAVE): Define.
3465         (TV_PCH_CPP_SAVE): Define.
3466         (TV_PCH_PTR_REALLOC): Define.
3467         (TV_PCH_PTR_SORT): Define.
3468         (TV_PCH_RESTORE): Define.
3469         (TV_PCH_CPP_RESTORE): Define.
3470
3471 2010-04-13  Michael Matz  <matz@suse.de>
3472
3473         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3474         into MINUS_EXPRs.
3475         (can_reassociate_p): New function.
3476         (break_up_subtract_bb, reassociate_bb): Use it.
3477
3478 2010-04-13  Richard Guenther  <rguenther@suse.de>
3479
3480         PR bootstrap/43737
3481         * builtins.c (c_readstr): Fix assert.
3482
3483 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3484
3485         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3486         when generating cltd insn.
3487
3488         (*ashl<mode>3_1): Remove special handling for register operand 2.
3489         (*ashlsi3_1_zext): Ditto.
3490         (*ashlhi3_1): Ditto.
3491         (*ashlhi3_1_lea): Ditto.
3492         (*ashlqi3_1): Ditto.
3493         (*ashlqi3_1_lea): Ditto.
3494         (*<shiftrt_insn><mode>3_1): Ditto.
3495         (*<shiftrt_insn>si3_1_zext): Ditto.
3496         (*<shiftrt_insn>qi3_1_slp): Ditto.
3497         (*<rotate_insn><mode>3_1): Ditto.
3498         (*<rotate_insn>si3_1_zext): Ditto.
3499         (*<rotate_insn>qi3_1_slp): Ditto.
3500
3501 2010-04-13  Richard Guenther  <rguenther@suse.de>
3502
3503         * tree-ssa-structalias.c (callused_id): Remove.
3504         (call_stmt_vars): New.
3505         (get_call_vi): Likewise.
3506         (lookup_call_use_vi): Likewise.
3507         (lookup_call_clobber_vi): Likewise.
3508         (get_call_use_vi): Likewise.
3509         (get_call_clobber_vi): Likewise.
3510         (make_transitive_closure_constraints): Likewise.
3511         (handle_const_call): Adjust to do per-call call-used handling.
3512         (handle_pure_call): Likewise.
3513         (find_what_var_points_to): Remove general callused handling.
3514         (init_base_vars): Likewise.
3515         (init_alias_vars): Initialize call_stmt_vars.
3516         (compute_points_to_sets): Process call-used and call-clobbered
3517         vars for call statements.
3518         (delete_points_to_sets): Free call_stmt_vars.
3519
3520 2010-04-13  Richard Guenther  <rguenther@suse.de>
3521
3522         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3523         Only add RW dependence for dependence distance zero.
3524         Adjust maximal vectorization factor according to dependences.
3525         Move alignment handling ...
3526         (vect_find_same_alignment_drs): ... here.  New function.
3527         (vect_analyze_data_ref_dependences): Adjust.
3528         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3529         (vect_analyze_data_refs): Adjust minimal vectorization factor
3530         according to data references.
3531         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3532         dependences before determining the vectorization factor.
3533         Analyze alignment after determining the vectorization factor.
3534         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3535         dependences before alignment.
3536         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3537         Adjust prototype.
3538         (vect_analyze_data_refs): Likewise.
3539         (MAX_VECTORIZATION_FACTOR): New define.
3540
3541 2010-04-13  Duncan Sands  <baldrick@free.fr>
3542
3543         * except.h (lang_eh_type_covers): Remove.
3544         * except.c (lang_eh_type_covers): Likewise.
3545
3546 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3547             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3548
3549         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3550         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3551         UNITS_PER_LONG where it is ABI relevant.
3552         (s390_return_addr_rtx): Likewise.
3553         (s390_back_chain_rtx): Likewise.
3554         (s390_frame_area): Likewise.
3555         (s390_frame_info): Likewise.
3556         (s390_initial_elimination_offset): Likewise.
3557         (save_gprs): Likewise.
3558         (s390_emit_prologue): Likewise.
3559         (s390_emit_epilogue): Likewise.
3560         (s390_function_arg_advance): Likewise.
3561         (s390_function_arg): Likewise.
3562         (s390_va_start): Likewise.
3563         (s390_gimplify_va_arg): Likewise.
3564         (s390_function_profiler): Likewise.
3565         (s390_optimize_prologue): Likewise.
3566         (s390_rtx_costs): Likewise.
3567         (s390_secondary_reload): Likewise.
3568         (s390_promote_function_mode): Likewise.
3569         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3570         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3571         registers available.
3572         (s390_unwind_word_mode): New function.
3573         (s390_function_value): Split 64 bit values into register pair if
3574         used as return value.
3575         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3576         function call parameters.  Handle parallels.
3577         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3578         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3579         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3580         (s390_expand_setmem): Remove unused variable src_addr.
3581         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3582         deal with 64 bit registers.
3583         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3584         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3585         (UNITS_PER_LONG): New macro.
3586         * libjava/include/s390-signal.h: Define extended ucontext
3587         structure containing the upper halfs of the 64 bit registers.
3588
3589 2010-04-13  Simon Baldwin  <simonb@google.com>
3590
3591         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3592
3593 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3594
3595         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3596         rvalue on the RHS if the LHS is of a non-renamable type.
3597         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3598
3599 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3600
3601         * gcc.c (cc1_options): Handle -iplugindir before processing
3602         the cc1 spec. Only add -iplugindir once.
3603         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3604         found.
3605         * common.opt (iplugindir): Remove `Separate' property, initialize.
3606         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3607         option.
3608         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3609         (distclean): Remove plugin dir.
3610         * doc/invoke.texi: Document -iplugindir.
3611
3612 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3613
3614         * doc/plugins.texi (Loading Plugins): Document short
3615         -fplugin=foo option.
3616         (Plugin API): Mention default_plugin_dir_name function.
3617
3618         * gcc.c (find_file_spec_function): Add new declaration.
3619         (static_spec_func): Use it for "find-file".
3620         (find_file_spec_function): Add new function.
3621         (cc1_options): Add -iplugindir option if -fplugin* options found.
3622
3623         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3624
3625         * plugin.c (add_new_plugin): Updated comment, and handle short
3626         plugin name.
3627         (default_plugin_dir_name): Added new function.
3628
3629         * common.opt (iplugindir): New option to set the plugin directory.
3630
3631 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3632
3633         * config/i386/i386.md (any_rotate): New code iterator.
3634         (rotate_insn): New code attribute.
3635         (rotate): Ditto.
3636         (SWIM124): New mode iterator.
3637         (<rotate_insn>ti3): New expander.
3638         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3639         any_rotate code iterator.
3640         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3641         using any_rotate code iterator and SWIM124 mode iterator.
3642         (ix86_rotlti3): New insn_and_split pattern.
3643         (ix86_rotrti3): Ditto.
3644         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3645         ix86_rotl{di,ti}3 patterns.
3646         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3647         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3648         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3649         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3650         code iterator and SWI mode iterator.
3651         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3652         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3653         code iterator.
3654         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3655         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3656         (bswap rotatert splitter): Add splitter.
3657         (bswap splitter): Macroize splitter using any_rotate code iterator.
3658         Add insn predicate to split only for TARGET_USE_XCHGB or when
3659         optimizing function for size.
3660
3661 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3662
3663         * config/pa/pa.c (emit_move_sequence): Remove use of
3664         deleted variable flag_argument_noalias.
3665
3666 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3667
3668         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3669         configurations.
3670         Add to unsupported targets list.
3671         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3672         sparc*-sun-solaris2.[567]* from target lists.
3673         * configure: Regenerate.
3674         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3675         removal.
3676         Remove Solaris 7 patch references.
3677         (Specific, sparc-sun-solaris2.7): Removed.
3678         (sparc-sun-solaris2*): Update Solaris 7 example.
3679         (sparc64-*-solaris2*): Likewise.
3680
3681 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3682
3683         * config.build (alpha*-dec-osf4*): Remove.
3684         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3685         of obsolete configurations.
3686         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3687         support.
3688         * config/alpha/t-osf4: Renamed to ...
3689         * config/alpha/t-osf5: ... this.
3690         * config/alpha/osf.h: Renamed to ...
3691         * config/alpha/osf5.h: ... this.
3692         Merged old osf5.h contents.
3693         Update comments.
3694         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3695         (EXTRA_SPECS): Removed.
3696         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3697         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3698         Document that.
3699
3700 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3701
3702         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3703
3704 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3705
3706         PR/43702
3707         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3708         __thiscall convention.
3709
3710 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3711
3712         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3713         orig_base.
3714         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3715
3716 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3717
3718         * function.c (assign_parms_initialize_all): Add unused attribute
3719         to fntype.
3720
3721 2010-04-12  Richard Guenther  <rguenther@suse.de>
3722
3723         * gsstruct.def (GSS_CALL): New.
3724         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3725         * gimple.h: Include tree-ssa-alias.h.
3726         (struct gimple_statement_call): New.
3727         (union gimple_statement_struct_d): Add gimple_call member.
3728         (gimple_call_reset_alias_info): Declare.
3729         (gimple_call_use_set): New function.
3730         (gimple_call_clobber_set): Likewise.
3731         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3732         * gimple.c (gimple_call_reset_alias_info): New function.
3733         (gimple_build_call_1): Call it.
3734         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3735         * tree-inline.c (remap_gimple_stmt): Likewise.
3736         (expand_call_inline): Remove callused handling.
3737         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3738         * tree-dfa.c (dump_variable): Likewise.
3739         * tree-parloops.c (parallelize_loops): Likewise.
3740         * tree-ssa.c (init_tree_ssa): Likewise.
3741         (delete_tree_ssa): Likewise.
3742         * tree-flow-inline.h (is_call_used): Remove.
3743         * tree-flow.h (struct gimple_df): Remove callused member.
3744         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3745         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3746         (ref_maybe_used_by_call_p_1): Simplify.
3747         (call_may_clobber_ref_p_1): Likewise.
3748         * tree-ssa-structalias.c (compute_points_to_sets): Set
3749         the call stmt used and clobbered sets.
3750         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3751         (find_tail_calls): Verify the tail call.
3752
3753 2010-04-12  Richard Guenther  <rguenther@suse.de>
3754
3755         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3756         single-iteration always-inline inlining.
3757         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3758         (cgraph_decide_inlining): Do not handle always-inline specially.
3759         (try_inline): Remove always-inline cycle detection special case.
3760         Do not recurse on always-inlines.
3761         (cgraph_early_inlining): Do not iterate if not optimizing.
3762         (cgraph_gate_early_inlining): remove.
3763         (pass_early_inline): Run unconditionally.
3764         (gate_cgraph_decide_inlining): New function.
3765         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3766         not inlining or optimizing.
3767         (cgraph_decide_inlining_of_small_functions): Also consider
3768         always-inline functions.
3769         (cgraph_default_inline_p): Return true for nodes which should
3770         disregard inline limits.
3771         (estimate_function_body_sizes): Assume zero size and time for
3772         nodes which are marked as disregarding inline limits.
3773         (cgraph_decide_recursive_inlining): Do not perform recursive
3774         inlining on always-inline nodes.
3775
3776 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3777
3778         PR bootstrap/43699
3779         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3780         for exprs satisfying handled_component_p.
3781
3782 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3783
3784         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3785         non-constant aggregate elements.
3786
3787         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3788         is a real initialization.
3789
3790 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3791
3792         PR c/36774
3793         * c-decl.c (start_function): Move forward check for nested function.
3794
3795 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3796
3797         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3798         * config/sh/sh.c: Include reload.h.
3799         (sh_legitimize_reload_address): New.
3800         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3801         sh_legitimize_reload_address.
3802
3803 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3804
3805         * config/sh/sh.md (*movqi_pop): New insn pattern.
3806         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3807
3808 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3809
3810         * config/i386/i386.md (any_shiftrt): New code iterator.
3811         (shiftrt_insn): New code attribute.
3812         (shiftrt): Ditto.
3813         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3814         using any_shiftrt code iterator.
3815         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3816         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3817         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3818         pattern from corresponding peephole2 patterns.
3819         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3820         using any_shiftrt code iterator.
3821         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3822         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3823         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3824         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3825         *{ashr,lshr}<mode>3_cmp_zext.
3826         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3827
3828 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3829
3830         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3831         scratch register.
3832         (*lshr<mode>3_cconly): Ditto.
3833
3834 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3835
3836         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3837         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3838         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3839         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3840         DWI mode iterator.
3841         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3842         from corresponding peephole2 patterns.
3843         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3844         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3845         and *lshrdi3_1_rex64 using SWI mode iterator.
3846         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3847         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3848         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3849         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3850         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3851         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3852         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3853         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3854         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3855         SWI mode iterator.
3856
3857 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3858
3859         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3860         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3861         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3862         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3863         DWI mode iterator.
3864         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3865         from corresponding peephole2 patterns.
3866         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3867         (ashrsi3_cvt): Rename from ashrsi3_31.
3868         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3869         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3870         and x86_64_shift_adj_3 using SWI48 mode iterator.
3871         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3872         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3873         and *ashrdi3_1_rex64 using SWI mode iterator.
3874         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3875         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3876         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3877         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3878         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3879         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3880         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3881         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3882         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3883         SWI mode iterator.
3884         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3885         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3886         x86_shift<mode>_adj_3 expanders.
3887
3888 2010-04-10  Wei Guozhi  <carrot@google.com>
3889
3890         PR target/42601
3891         * config/arm/arm.c (arm_pic_static_addr): New function.
3892         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3893         a static symbol.
3894         (arm_output_addr_const_extra): Output expression for new pattern.
3895         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3896
3897 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3898
3899         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3900         not enabled.
3901
3902         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3903         * web.c: Include "insn-config.h" and "recog.h".
3904         (union_match_dups): New function.
3905         (web_main): Call it.
3906         (union_defs): Don't try to recognize match_dups.
3907
3908         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3909         if doing so would replace the entire pattern.
3910
3911 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3912
3913         PR target/43707
3914         PR target/43709
3915         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3916         and splitter pattern.  Change splitter operand 1 predicate to
3917         nonmemory_operand.
3918
3919 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3920
3921         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3922         lattices are addresses of CONST_DECLs with the same initial value.
3923         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3924         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3925
3926 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3927             Bernd Schmidt  <bernds@codesourcery.com>
3928
3929         * loop-invariant.c (replace_uses): New static function.
3930         (move_invariant_reg): Use it to ensure we can replace the uses.
3931
3932 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3933
3934         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3935         function template.
3936         (picochip_override_options): Enable section anchors only above -O1.
3937         (picochip_reorg): Fixed a couple of build warnings.
3938
3939 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3940
3941         * configure.ac (plugin -rdynamic test): Log result.
3942         * configure: Regenerate.
3943         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3944         (RDYNAMIC_SPEC): Define.
3945         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3946
3947 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3948
3949         * configure.ac: Determine Sun ld version numbers.
3950         (comdat_group): Restrict GNU ld version checks to gld.
3951         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3952         (enable_comdat): Support --enable-comdat.
3953         * configure: Regenerate.
3954         * doc/install.texi (Configuration): Document --enable-comdat.
3955
3956 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3957
3958         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3959         * config/sol2-gld.h: ... here.
3960         * config.gcc (sparc*-*-solaris2*): Reflect this.
3961         (i[34567]86-*-solaris2*): Use it.
3962
3963 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3964
3965         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3966         setup_clocks_p.
3967         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3968
3969 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3970
3971         PR 42965
3972         * diagnostic.c (diagnostic_initialize): Initialize
3973         some_warnings_are_errors.
3974         (diagnostic_finish): New.
3975         (diagnostic_action_after_output): Call it before exiting.
3976         (diagnostic_report_diagnostic): Do not print message here. Set
3977         some_warnings_are_errors.
3978         * diagnostic.h (diagnostic_context): Delete
3979         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3980         (diagnostic_finish): Declare.
3981         * toplev.c (toplev_main): Call it before exit.
3982
3983 2010-04-09  Jason Merrill  <jason@redhat.com>
3984
3985         PR c++/42623
3986         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3987         for incomplete type.
3988
3989         PR c++/41788
3990         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3991         based on a warning flag.
3992
3993 2010-04-09  Richard Guenther  <rguenther@suse.de>
3994
3995         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3996
3997 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3998
3999         PR bootstrap/43684
4000         * varasm.c (default_assemble_visibility): Wrap vars that are
4001         set, but unused, by targets without GAS.
4002         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
4003         Remove set, but unused, vars.
4004         (rs6000_legitimize_tls_address): Likewise.
4005         (altivec_expand_dst_builtin): Likewise.
4006         * config/darwin.c (machopic_classify_symbol): Likewise.
4007         (machopic_indirection_name): Likewise.
4008
4009 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>