1 2010-05-14 Jan Hubicka <jh@suse.cz>
3 * tree.h (memory_identifier_string): Remove.
4 * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
5 (ipa_reference_global_vars_info_d): Remove statics_not_read and
7 (ipa_reference_optimization_summary_d): New structure.
8 (ipa_reference_optimization_summary_t): New type and vector.
9 (ipa_reference_vars_info_d): Embedd structures instead of using
11 (reference_vars_to_consider): Remove out of GGC space.
12 (module_statics_escape): Remove.
13 (global_info_obstack): Rename to ...
14 (optimization_summary_obstack): ... this one.
15 (initialization_status_t): Remove.
16 (memory_identifier_string): Remove.
17 (get_reference_vars_info): Fix indenting.
18 (set_reference_vars_info): Likewise.
19 (get_reference_optimization_summary): New.
20 (set_reference_optimization_summary): New.
21 (get_global_reference_vars_info): Remove.
22 (ipa_reference_get_read_global): Remove.
23 (ipa_reference_get_written_global): Remove.
24 (ipa_reference_get_not_read_global): Update.
25 (ipa_reference_get_not_written_global): Update.
26 (is_proper_for_analysis): Outlaw addressable.
27 (propagate_bits): Update for new datastructures.
28 (analyze_variable): Remove.
29 (init_function_info): Update for new datastructures.
30 (clean_function_local_data): Remove.
31 (clean_function): Remove.
32 (copy_global_bitmap): Use optimizations_summary_obstack.
33 (duplicate_node_data): Duplicate optimization summary only.
34 (remove_node_data): Remove optimization summary only.
35 (generate_summary): Do not analyze variables; do not compute
36 module_statics_escape; do not prune solutions by it.
37 (read_write_all_from_decl): Fix typos in comments.
38 (propagate): Doscover readonly and nonaddressable first;
39 update for new datastructures; share global bitmaps.
40 * ipa-reference.h (ipa_reference_get_read_global,
41 ipa_reference_get_written_global): Remove.
42 * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
43 * Makefile.in: Remove ipa-refereference from GT files.
45 2010-05-14 Jakub Jelinek <jakub@redhat.com>
48 * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
49 for all SYMBOL_REF_DECLs.
51 2010-05-14 Jan Hubicka <jh@suse.cz>
53 * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
54 (varpool_all_refs_explicit_p): New inline function.
55 * ipa-reference.c: Update comment.
56 (module_statics_written): Remove.
57 (get_static_decl): Remove.
58 (ipa_init): Do not initialize module_statics_written.
59 (analyze_function): Likewise.
60 (generate_summary): Likewise; do not compute module_statics_readonly
61 and do not update variable flags.
62 (propagate): Call ipa_discover_readonly_nonaddressable_vars.
63 * ipa.c: Inlucde flags.h
64 (cgraph_local_node_p): New.
65 (cgraph_remove_unreachable_nodes): Return early when not optimizing;
66 promote functions to local.
67 (ipa_discover_readonly_nonaddressable_vars): New function.
68 (function_and_variable_visibility): Use cgraph_local_node_p.
69 * varpool.c (varpool_finalize_decl): Set force_output for
72 2010-05-14 Jan Hubicka <jh@suse.cz>
74 * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
76 2010-05-14 Richard Guenther <rguenther@suse.de>
78 PR tree-optimization/44119
79 * tree-ssa-pre.c (eliminate): Properly mark replacement of
82 2010-05-14 Eric Botcazou <ebotcazou@adacore.com>
84 * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
86 2010-05-14 Jason Merrill <jason@redhat.com>
89 * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
90 (gimple_call_set_nothrow): New.
91 * gimple.c (gimple_build_call_from_tree): Call it.
92 (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
95 * gimplify.c (gimplify_seq_add_stmt): No longer static.
96 * gimple.h: Declare it.
97 * gimple.c (gimple_build_eh_filter): No ops.
99 2010-05-14 Jan Hubicka <jh@suse.cz>
101 * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
102 nodes already in queue.
103 (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
106 2010-05-14 Jakub Jelinek <jakub@redhat.com>
109 * cfgexpand.c (expand_debug_expr): If non-memory op0
110 has BLKmode, return NULL.
112 2010-05-14 Harsha Jagasia <harsha.jagasia@amd.com>
114 * config.gcc: Add support for --with-cpu option for bdver1.
115 * config/i386/i386.h (TARGET_BDVER1): New macro.
116 (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
117 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
118 (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
119 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
120 Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
121 (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
122 (processor_type): Add PROCESSOR_BDVER1.
123 * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
124 processor_type in config/i386/i386.h.
125 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
126 movaps <reg, reg> instead of movapd <reg, reg> when replacing
127 movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
128 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
129 to emit packed xor instead of packed double/packed integer
130 xor for SSE and AVX when moving a zero value.
131 * config/i386/sse.md: Add check for
132 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
133 movapd/movdqa for SSE and AVX.
134 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
135 single logical operations i.e and, or and xor instead of packed double
136 logical operations for SSE and AVX.
137 * config/i386/i386-c.c:
138 (ix86_target_macros_internal): Add PROCESSOR_BDVER1.
139 * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
140 (has_fma4, has_xop): New.
141 * config/i386/i386.c (bdver1_cost): New variable.
142 (m_BDVER1): New macro.
143 (m_AMD_MULTIPLE): Add m_BDVER1.
144 (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
145 x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
146 x86_tune_use_simode_fiop, x86_tune_promote_qimode,
147 x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
148 x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
149 x86_tune_sse_partial_reg_dependency,
150 x86_tune_sse_unaligned_load_optimal,
151 x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
152 x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
153 x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
154 x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
155 x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
156 Enable/disable for bdver1.
157 (processor_target_table): Add bdver1_cost.
158 (cpu_names): Add bdver1.
159 (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
160 processor_alias_table.
161 (ix86_expand_vector_move_misalign): Change.
162 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
163 Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
164 Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
165 of movupd/movdqu for SSE and AVX.
166 (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
167 (ix86_tune_adjust_cost): Add code for bdver1.
168 (standard_sse_constant_opcode): Add check for
169 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
170 of packed double xor for SSE and AVX.
172 2010-05-14 Pat Haugen <pthaugen@us.ibm.com>
174 * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
177 2010-05-14 Tristan Gingold <gingold@adacore.com>
179 * toplev.c (default_debug_hooks): Remove this variable.
180 (process_options): Remove assignments to default_debug_hooks.
182 2010-05-14 Martin Jambor <mjambor@suse.cz>
184 * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
185 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
186 * langhooks.h (struct lang_hooks_for_decls): Removed field
188 * tree.c (free_lang_data): Remove assignment to
189 lang_hooks.fold_obj_type_ref.
190 * tree.def (OBJ_TYPE_REF): Update comment.
192 2010-05-14 Richard Guenther <rguenther@suse.de>
194 PR tree-optimization/44124
195 * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
197 2010-05-14 Alan Modra <amodra@gmail.com>
200 * config/rs6000/rs6000.c (struct machine_function): Reorder
201 fields for better packing. Add lr_save_state.
202 (rs6000_ra_ever_killed): Return lr_save_state if set.
203 (rs6000_emit_eh_reg_restore): Set lr_save_state.
205 2010-05-13 Jan Hubicka <jh@suse.cz>
207 * varpool.c (decide_is_variable_needed): Drop code checking
208 TREE_SYMBOL_REFERENCED.
210 2010-05-13 Jan Hubicka <jh@suse.cz>
212 * final.c (output_addr_const): Do not call mark_decl_referenced.
213 * cgraphunit.c (process_function_and_variable_attributes): Use
214 mark_needed_node dirrectly.
215 (assemble_thunk): Do not call mark_decl_referenced.
217 2010-05-13 Anatoly Sokolov <aesok@post.ru>
219 * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
221 2010-05-13 Jeff Law <law@redhat.com>
223 * ira-conflicts.c (print_allocno_conflicts): New function broken out
225 (print_conflicts): Call print_allocno_conflicts.
227 2010-05-13 Jakub Jelinek <jakub@redhat.com>
230 * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
233 2010-05-13 Kai Tietz <kai.tietz@onevision.com>
235 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
236 t-mingw-w64 or t-mingw-w32 for multilib configuration.
237 * config/i386/t-mingw-w32: New.
238 * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
240 2010-05-13 Martin Jambor <mjambor@suse.cz>
242 * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
244 * gimple-fold.c (get_base_binfo_for_type): New function.
245 (gimple_get_relevant_ref_binfo): Likewise.
246 (gimple_fold_obj_type_ref_known_binfo): Likewise.
247 (gimple_fold_obj_type_ref): Likewise.
248 (fold_gimple_call): Simplify condition for folding virtual calls
249 and call gimple_fold_obj_type_ref.
250 * gimple.h (gimple_get_relevant_ref_binfo): Declare.
251 (gimple_fold_obj_type_ref_known_binfo): Likewise.
253 2010-05-13 Andreas Schwab <schwab@linux-m68k.org>
255 * config/rs6000/rs6000-protos.h
256 (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
257 * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
258 (rs6000_debug_mode_dependent_address)
259 (rs6000_mode_dependent_address_ptr): Likewise.
261 2010-05-13 Jakub Jelinek <jakub@redhat.com>
264 * var-tracking.c (track_expr_p): Allow tracking of variables optimized
266 * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
267 * tree-sra.c (create_access_replacement): Call unshare_expr before
268 passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
270 * dwarf2out.c: Include tree-flow.h.
271 (struct var_loc_node): Rename var_loc_note field to loc, add comment.
272 (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
273 Handle DW_OP_bit_piece.
274 (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
275 construct_piece_list, adjust_piece_list): New functions.
276 (add_var_loc_to_decl): Handle SRA optimized variables.
277 Adjust for var_loc_note to loc field renaming.
278 (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
279 in VAR_LOCATION note.
280 (new_loc_descr_op_bit_piece): New function.
281 (dw_sra_loc_expr): New function.
282 (dw_loc_list): Use it. Don't handle the last range after the
283 loop, handle it inside of the loop. Adjust for var_loc_note
284 to loc field renaming.
285 (add_location_or_const_value_attribute): Only special case
286 single entry loc lists if loc is NOTE_P. Adjust for
287 var_loc_note to loc field renaming.
288 (dwarf2out_var_location): Don't set newloc->var_loc_note
289 and newloc->next here.
291 2010-05-12 Jan Hubicka <jh@suse.cz>
293 * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
295 * cgraph.h (cgraph_only_called_directly_p,
296 cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
297 (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
298 * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
300 * ipa.c (cgraph_remove_unreachable_nodes): Use
301 cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
303 * tree-inline.c (copy_bb): Check address_taken flag.
304 * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
305 externally_visible flag.
307 2010-05-12 Jason Merrill <jason@redhat.com>
311 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
312 * sdbout.c (plain_type_1): Likewise.
313 * dwarf2out.c (is_base_type): Likewise.
314 (gen_type_die_with_usage): Likewise. Generate
315 DW_TAG_unspecified_type for any LANG_TYPE.
317 2010-05-12 Jan Hubicka <jh@suse.cz>
319 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
321 * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
322 (cgraph_clone_edge): Update.
323 (cgraph_node_remove_callees): Remove indirect calls too.
324 * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
325 (cgraph_create_indirect_edge): Update prototype.
326 * ipa-reference.c (has_proper_scope_for_analysis): Rename to
327 is_proper_for_analysis.
328 (add_new_function, visited_nodes, function_insertion_hook_holder,
329 get_local_reference_vars_info, mark_address_taken, mark_address,
330 mark_load, mark_store, check_asm_memory_clobber, check_call,
331 scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
332 (ipa_init): Do not initialize visited_nodes;
333 function_insertion_hook_holder.
334 (analyze_variable): Rewrite.
335 (analyze_function): Rewrite.
336 (copy_local_bitmap): Remove.
337 (duplicate_node_dat): Do not duplicate local info.
338 (generate_summary): Simplify to only walk cgraph.
339 (write_node_summary_p, ipa_reference_write_summary,
340 ipa_reference_read_summary): Remove.
341 (propagate): Do not remove function insertion;
343 (pass_ipa_reference): NULLify summary handling fields.
344 * lto-cgraph.c (lto_output_edge): Output ecf_flags.
345 (input_edge): Input ecf_flags.
346 * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
347 (update_indirect_edges_after_inlining): Ignore edges with unknown
350 2010-05-12 Sriraman Tallam <tmsriram@google.com>
352 * implicit-zee.c: New file.
353 * tree-pass.h (pass_implicit_zee): Declare.
354 * passes.c (init_optimization_passes): Add zee pass.
355 * common.opt (fzee): New flag.
356 * timevar.def (TV_ZEE): Define.
357 * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
359 * Makefile.in (implicit-zee.o): Add new build file.
361 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
362 Nathan Froyd <froydnj@codesourcery.com>
364 * c-common.c (sync_resolve_params): Remove write-only variable.
366 2010-05-12 Anatoly Sokolov <aesok@post.ru>
368 * target.h (struct gcc_target): Add mode_dependent_address_p field.
369 * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
370 (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
371 * targhooks.c (default_mode_dependent_address_p): New function.
372 * targhooks.h (default_mode_dependent_address_p): Declare function.
373 * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
374 (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
375 * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
376 target hook. Change return type to bool.
377 * recog.h: (mode_dependent_address_p): Change return type to bool.
379 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
380 Nathan Froyd <froydnj@codesourcery.com>
382 * tree-mudflap.c (build_function_type_0, build_function_type_1,
383 build_function_type_2, build_function_type_3): Remove.
384 (mudflap_init): Use build_function_type_list.
386 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
387 Nathan Froyd <froydnj@codesourcery.com>
389 * coverage.c (build_fn_info_value): Call build_constructor instead of
390 build_constructor_from_list.
391 (build_ctr_info_value): Likewise.
392 (build_gcov_info): Likewise.
394 2010-05-12 Nathan Froyd <froydnj@codesourcery.com>
396 * tree.c (build_constructor): Compute TREE_CONSTANT for the
397 resultant constructor.
398 (build_constructor_single): Don't set TREE_CONSTANT.
399 (build_constructor_from_list): Don't compute TREE_CONSTANT.
401 2010-05-12 Jan Hubicka <jh@suse.cz>
403 * cgraph.h (struct varpool_node): Add aux.
404 * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
405 * varpool.c (varpool_remove_node): Do not remove initializer.
406 (varpool_reset_queue): Export.
407 (varpool_finalize_decl): Volatile vars are forced to be output.
408 * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
410 * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
411 process_references, varpool_can_remove_if_no_refs): New functions.
412 (cgraph_remove_unreachable_nodes): Handle variables too.
414 2010-05-12 H.J. Lu <hongjiu.lu@intel.com>
417 * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
419 2010-05-12 Jakub Jelinek <jakub@redhat.com>
422 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
423 change value of ORT_TASK.
424 (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
425 (omp_notice_threadprivate_variable): New function.
426 (omp_notice_variable): Call it for threadprivate variables.
427 If enclosing ctx is a task, print enclosing task rather than
428 enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK.
429 (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
430 if task has untied clause.
433 * dwarf2out.c (base_type_die): Don't add name attribute here.
434 (modified_type_die): Instead of sizetype use
435 its underlying original type. If a DW_TAG_base_type doesn't
436 have name added, add __unknown__.
437 (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
438 always call force_type_die instead.
440 2010-05-12 Maxim Kuvyrkov <maxim@codesourcery.com>
442 * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
443 for __stack_chk_guard.
445 2010-05-11 Jakub Jelinek <jakub@redhat.com>
447 * c-opts.c (c_common_parse_file): If start_end_main_source_file,
448 don't call start_source_file debug hook here...
449 (finish_options): ... but here, after outputting predefined and
450 command line defines and undefs.
453 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
455 * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
456 optimizing away empty bb with no successors, move over its
457 footer chain to fallthru predecessor.
458 * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
459 (rtl_split_edge): For asm goto call patch_jump_insn even if
460 splitting fallthru edge.
463 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
464 even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
465 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
466 * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
470 * c-parser.c (c_parser_expression): Mark LHS of a comma
471 expression as read if it is a decl, handled component or
472 COMPOUND_EXPR with that on the RHS.
473 * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
474 if it is a decl or handled component.
476 2010-05-11 Jan Hubicka <jh@suse.cz>
478 * lto-symtab.c (lto_symtab_free): New function.
479 * lto-streamer.h (lto_symtab_free): Declare.
481 2010-05-11 Jan Hubicka <jh@suse.cz>
483 * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
484 that if function is needed it is reachable.
485 (lto_output_node): See if it the function is reachable or referenced.
486 (output_cgraph): Update call of lto_output_node.
487 * lto-streamer.h (reachable_from_other_partition_p): Declare.
489 2010-05-11 Jan Hubicka <jh@suse.cz>
491 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
494 2010-05-11 Jan Hubicka <jh@suse.cz>
496 PR tree-optimize/44063
497 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
499 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
501 (estimate_function_body_sizes): Compute sizes even when disregarding.
503 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
505 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
507 2010-05-11 Jan Hubicka <jh@suse.cz>
509 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
512 2010-05-11 Jan Hubicka <jh@suse.cz>
514 * matrix-reorg.c (matrix_reorg): Rebuild edges.
516 2010-05-11 Jan Hubicka <jh@suse.cz>
518 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
519 lto_streamer_cache_delete): Put nodes into heap.
520 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
523 2010-05-11 Jan Hubicka <jh@suse.cz>
525 * cgraphbuild.c (cgraph_rebuild_references): New.
526 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
528 * cgraph.h (cgraph_rebuild_references): Declare.
529 * tree-inline.c (tree_function_versioning): Use it.
530 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
532 2010-05-11 Jan Hubicka <jh@suse.cz>
534 * cgraph.c: Include ipa-utils.h
535 (cgraph_create_virtual_clone): Update references.
536 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
538 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
540 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
541 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
544 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
546 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
548 2010-05-11 Jakub Jelinek <jakub@redhat.com>
550 * gcc.c (execute): For -### don't quote arguments that
551 contain just alphanumerics and _/-. characters.
552 * doc/invoke.texi: Document that change for -###.
555 * df-problems.c (struct dead_debug): Add to_rescan field.
556 (dead_debug_init): Clear to_rescan field.
557 (dead_debug_finish): Rescan all debug insns in to_rescan
558 bitmap and free the bitmap.
559 (dead_debug_insert_before): Instead of rescanning debug insns
560 immediately queue their rescanning until dead_debug_finish.
561 (df_note_bb_compute): After dead_debug_add do continue instead
564 2010-05-10 Jakub Jelinek <jakub@redhat.com>
567 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
568 clear also INSN_REG_USE_LIST.
570 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
572 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
574 2010-05-10 Jan Hubicka <jh@suse.cz>
576 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
579 2010-05-10 Jan Hubicka <jh@suse.cz>
581 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
583 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
584 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
585 (lto_streamer_cache_create): Init alloc pool.
586 (lto_streamer_cache_delete): Free alloc pool.
587 * lto-streamer.h: Include alloc pool.
588 (lto_streamer_cache_d): Use alloc pool.
589 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
591 2010-05-10 Jan Hubicka <jh@suse.cz>
593 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
594 * cgraphbuild.c: Include except.h
595 (record_type_list, record_eh_tables): New function.
596 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
598 2010-05-10 Jan Hubicka <jh@suse.cz>
600 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
601 __frame_dummy_init_array_entry, force_to_data): Attribute as used
604 2010-05-10 Michael Matz <matz@suse.de>
606 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
607 (can_reassociate_p): Use FLOAT_TYPE_P.
608 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
609 (vect_force_simple_reduction): ... this.
610 * tree-parloops.c (gather_scalar_reductions): Use
611 vect_force_simple_reduction.
612 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
613 vect_is_simple_reduction, add modify argument, if true rewrite
615 (vect_is_simple_reduction, vect_force_simple_reduction): New
617 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
619 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
620 Vladimir Makarov <vmakarov@redhat.com>
622 PR rtl-optimization/44012
623 * ira-build.c (remove_unnecessary_allocnos): Nullify
624 regno_allocno_map of the removed allocno.
626 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
628 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
630 * configure: Regenerate.
632 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
634 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
636 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
637 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
639 * configure: Regenerate.
641 2010-05-10 Richard Guenther <rguenther@suse.de>
643 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
644 marked if the entry identifier is marked.
646 2010-05-10 Richard Guenther <rguenther@suse.de>
648 * c-common.c (struct c_common_attributes): Add fnspec attribute.
649 (handle_fnspec_attribute): New function.
650 * gimple.h (gimple_call_return_flags): Declare.
651 (gimple_call_arg_flags): Likewise.
652 * gimple.c (gimple_call_arg_flags): New function.
653 (gimple_call_return_flags): Likewise.
654 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
656 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
658 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
659 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
661 (make_heapvar_for): ... this new function.
662 (handle_rhs_call): Handle fnspec attribute argument specifiers.
663 (handle_lhs_call): Likewise.
664 (find_func_aliases): Adjust.
666 2010-05-10 Richard Guenther <rguenther@suse.de>
668 PR tree-optimization/44050
669 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
671 2010-05-10 Wei Guozhi <carrot@google.com>
674 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
676 2010-05-09 Joseph Myers <joseph@codesourcery.com>
679 * c-typeck.c (lookup_field): Take a type directly. Update
681 (build_component_ref): Update call to lookup_field.
682 (set_init_label): Use lookup_field to find initialized field.
683 Handle returned list of fields like a sequence of designators.
685 2010-05-09 Richard Guenther <rguenther@suse.de>
688 * fold-const.c (tree_single_nonzero_warnv_p): Properly
689 handle &FUNCTION_DECL.
691 2010-05-09 Joseph Myers <joseph@codesourcery.com>
694 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
695 structures and unions recursively.
696 (detect_field_duplicates): Move duplicate detection with a hash to
697 detect_field_duplicates_hash. Always use a hash if anonymous
698 structures or unions are present.
699 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
702 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
705 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
706 detect Atom, Core 2 and Core i7.
708 2010-05-09 Richard Guenther <rguenther@suse.de>
710 * gcc.c (store_arg): Handle temporary file deletion for
713 2010-05-09 Richard Guenther <rguenther@suse.de>
716 * ipa-inline.c (estimate_function_body_sizes): Return after
717 disregarding inline limits.
719 2010-05-09 Richard Guenther <rguenther@suse.de>
721 * gcc.c (store_arg): Revert last change.
723 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
726 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
727 (optimize_ops_list): Call it.
729 2010-05-08 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/44030
732 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
733 NECESSARY flag if we propagate from a inserted expression.
735 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
737 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
738 domain types as equal if they are both PLACEHOLDER_EXPRs.
740 2010-05-08 Richard Guenther <rguenther@suse.de>
742 * lto-wrapper.c (run_gcc): Remove linker output from
743 command line for LTRANS invocation.
745 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
747 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
748 lto-macho as lto_binary_reader.
749 * target.h (struct gcc_target): New hooks lto_start and lto_end.
750 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
751 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
752 in lto_start and lto_end calls.
753 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
755 (scan_prog_file): Update is_elf_or_coff call.
756 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
758 * collect2.c (main): Fix enum comparison.
760 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
762 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
763 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
764 and TARGET_ASM_LTO_END.
765 * darwin.c: Include obstack.h and lto-streamer.h.
766 (lto_section_names_offset, lto_section_names_obstack,
767 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
769 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
770 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
772 (darwin_asm_lto_end): New function. Restore asm_out_file.
773 (darwin_asm_named_section): For LTO sections, replace the name with
774 the offset of the section name in a string table, and build this
776 (darwin_file_start): Initialize global vars for LTO support.
777 (darwin_file_end): If output to asm_out_file was redirected, append it
778 to the proper asm_out_file here. Add the section names section.
780 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
782 * c-pragma.c (pending_weak_d, pending_weak): New.
783 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
784 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
785 handle_pragma_weak): Update the uses of pending_weaks.
787 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
789 PR documentation/44016
790 * doc/standards.texi (Standards): Link to unversioned
791 cxx0x_status.html page.
793 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
796 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
797 in addition to TREE_USED, to avoid "set but unused" warnings.
799 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
801 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
802 (is_loop_prefetching_profitable): Do not insert prefetches
803 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
804 times the prefetch ahead distance.
806 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
808 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
809 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
810 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
813 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
815 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
816 a diagnostic info when the insn-to-mem ratio is too small.
818 2010-05-07 Richard Guenther <rguenther@suse.de>
820 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
822 (store_arg): Queue temp_filename for deletion instead of
825 2010-05-07 Richard Guenther <rguenther@suse.de>
827 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
828 (run_gcc): Handle LTRANS phase invocation.
829 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
831 2010-05-07 Jakub Jelinek <jakub@redhat.com>
833 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
834 this is also meaningful on PARM_DECLs and RESULT_DECLs.
836 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
838 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
840 2010-05-07 Richard Guenther <rguenther@suse.de>
842 PR tree-optimization/44020
843 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
844 code when PRE is not yet initialized.
846 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
848 * config/mips/dbxmdebug.h: Remove.
849 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
851 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
853 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
854 with null pointer and also warn about ordered comparison of zero with
857 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
859 * graphite-blocking.c
860 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
861 * graphite-clast-to-gimple.c
862 (clast_to_gcc_expression): Same.
863 (precision_for_value): Same.
864 (precision_for_interval): Same.
865 (gcc_type_for_interval): Same.
866 (graphite_create_new_guard): Same.
867 (compute_bounds_for_level): Same.
868 (graphite_create_new_loop_guard): Same.
869 * graphite-interchange.c
870 (build_linearized_memory_access): Same.
871 (pdr_stride_in_loop): Same.
872 (memory_strides_in_loop_1): Same.
873 (memory_strides_in_loop): Same.
874 (extend_scattering): Same.
875 (psct_scattering_dim_for_loop_depth): Same.
876 (pbb_number_of_iterations): Same.
878 (debug_iteration_domains): Same.
880 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
881 (ppl_set_inhomogeneous_gmp): Same.
882 (ppl_strip_loop): Same.
883 (ppl_lexico_compare_linear_expressions): Same.
884 (ppl_read_polyhedron_matrix): Same.
885 (ppl_max_for_le_pointset): Same.
887 (ppl_read_polyhedron_matrix): Same.
888 (tree_int_to_gmp): Same.
889 (gmp_cst_to_tree): Same.
890 (ppl_set_inhomogeneous): Same.
891 (ppl_set_inhomogeneous_tree): Same.
892 (ppl_set_coef): Same.
893 (ppl_set_coef_tree): Same.
894 * graphite-sese-to-poly.c
895 (build_pbb_scattering_polyhedrons): Same.
896 (build_scop_scattering): Same.
897 (scan_tree_for_params_right_scev): Same.
898 (scan_tree_for_params): Same.
899 (find_params_in_bb): Same.
900 (find_scop_parameters): Same.
901 (add_upper_bounds_from_estimated_nit): Same.
902 (build_loop_iteration_domains): Same.
903 (add_condition_to_domain): Same.
904 (pdr_add_memory_accesses): Same.
906 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
908 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
909 CLooG's value_* macros to their respective mpz_* counterparts.
910 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
911 (graphite_create_new_loop_guard): Same.
912 * graphite-interchange.c (build_linearized_memory_access): Same.
913 (pdr_stride_in_loop): Same.
914 (memory_strides_in_loop_1): Same.
915 (1st_interchange_profitable_p): Same.
916 * graphite-poly.c (extend_scattering): Same.
917 (psct_scattering_dim_for_loop_depth): Same.
918 (pbb_number_of_iterations): Same.
919 (pbb_number_of_iterations_at_time): Same.
920 * graphite-poly.h (new_1st_loop): Same.
921 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
922 (oppose_constraint): Same.
923 (insert_constraint_into_matrix): Same.
924 (ppl_set_inhomogeneous_gmp): Same.
925 (ppl_set_coef_gmp): Same.
926 (ppl_strip_loop): Same.
927 (ppl_lexico_compare_linear_expressions): Same.
928 (ppl_max_for_le_pointset): Same.
929 (ppl_min_for_le_pointset): Same.
930 (ppl_build_realtion): Same.
931 * graphite-ppl.h (gmp_cst_to_tree): Same.
932 (ppl_set_inhomogeneous): Same.
933 (ppl_set_inhomogeneous_tree): Same.
934 (ppl_set_coef): Same.
935 (ppl_set_coef_tree): Same.
936 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
937 (build_scop_scattering): Same.
938 (add_value_to_dim): Same.
939 (scan_tree_for_params_right_scev): Same.
940 (scan_tree_for_params_int): Same.
941 (scan_tree_for_params): Same.
942 (find_params_in_bb): Same.
943 (find_scop_parameters): Same.
944 (add_upper_bounds_from_estimated_nit): Same.
945 (build_loop_iteration_domains): Same.
946 (create_linear_expr_from_tree): Same.
947 (add_condition_to_domain): Same.
948 (pdr_add_memory_accesses): Same.
950 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
951 Jason Merrill <jason@redhat.com>
953 * c-common.c (c_common_reswords): Add nullptr.
954 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
955 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
956 (gen_type_die_with_usage): Likewise.
957 * dbxout.c (dbxout_type): Likewise.
958 * sdbout.c (plain_type_1): Likewise.
960 2010-05-06 Jason Merrill <jason@redhat.com>
962 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
963 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
965 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
967 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
968 stripping WITH_SIZE_EXPR.
969 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
972 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
974 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
975 list of obsolete configurations.
976 Disabled check for obsolete configurations.
977 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
978 Removed support for previous versions.
979 * config/mips/iris.h: Removed.
980 * config/mips/iris5.h: Removed.
981 * config/mips/iris6.h: Merged old iris.h contents.
982 (TARGET_IRIX): Removed.
983 (DRIVER_SELF_SPECS): Removed mabi=32.
984 (IDENT_ASM_OP): Removed undef.
985 (STARTFILE_SPEC): Removed mabi=32.
986 (ENDFILE_SPEC): Likewise.
987 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
988 (MACHINE_TYPE): Update for IRIX 6.5.
989 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
990 TARGET_IRIX by TARGET_IRIX6.
991 (mips_file_start): Likewise.
992 (mips_output_external): Remove IRIX 5/6 O32 support.
993 (mips_output_function_prologue): Likewise.
994 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
996 (TARGET_CPU_CPP_BUILTINS): Likewise.
997 (TARGET_IRIX): Removed.
998 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
999 (MULTILIB_DIRNAMES): Removed 32.
1000 (MULTILIB_OSDIRNAMES): Removed ../lib.
1001 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1002 (Specific, mips-sgi-irix5): Document removal.
1003 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1004 Remove references to older IRIX 6 releases and the O32 ABI.
1006 2010-05-06 Jakub Jelinek <jakub@redhat.com>
1009 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1010 instead of DF_REF_REAL_REG.
1012 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
1015 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1016 handling to still return true for x64 targets.
1018 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1020 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1022 2010-05-06 Jan Hubicka <jh@suse.cz>
1024 PR tree-optimization/43791
1025 * ipa-inline.c (update_caller_keys): Remove bogus
1026 disregard_inline_limits check.
1028 2010-05-06 Michael Matz <matz@suse.de>
1030 PR tree-optimization/43984
1031 * tree-ssa-pre.c (inserted_phi_names): Remove.
1032 (inserted_exprs): Change to bitmap.
1033 (create_expression_by_pieces): Set bits, don't append to vector.
1034 (insert_into_preds_of_block): Don't handle inserted_phi_names.
1035 (eliminate): Don't look at inserted_phi_names, remove deleted
1036 insns from inserted_exprs.
1037 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1038 (init_pre, fini_pre): Allocate and free bitmaps.
1039 (execute_pre): Insert insns on edges before elimination.
1041 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1043 * tree.c (initializer_zerop): Handle STRING_CST.
1045 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
1048 * doc/invoke.texi (Wimplicit): Document as C only.
1049 * opts.c (common_handle_option): Add argument kind.
1050 (handle_option): Rename as read_cmdline_option. Factor out code to...
1051 (handle_option): ... here. New.
1052 (handle_options): Rename as read_cmdline_options.
1053 (decode_options): Update call.
1054 (set_option): Use option index instead of option pointer. Classify
1055 diagnostics correctly.
1056 (enable_warning_as_error): Call handle_option.
1057 * opts.h (set_option): Update declaration.
1058 (handle_option): Declare.
1059 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1060 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1061 * c-opts.c (set_Wimplicit): Delete.
1062 (c_family_lang_mask): New static constant.
1063 (c_common_handle_option): Add argument kind. Use handle_option
1064 instead of set_Wimplicit.
1065 (c_common_post_options): warn_implicit and warn_implicit_int
1066 are disabled by default.
1067 * c-common.c (warn_implicit): Do not define here.
1068 * c-common.h (warn_implicit): Do not declare here.
1069 (c_common_handle_option): Update declaration.
1070 * lto-opts.c (lto_reissue_options): Update call to set_option.
1072 2010-05-06 Richard Guenther <rguenther@suse.de>
1074 PR tree-optimization/43571
1075 * domwalk.c (walk_dominator_tree): Walk the dominator
1076 sons in more optimal order.
1078 2010-05-06 Richard Guenther <rguenther@suse.de>
1080 PR tree-optimization/43934
1081 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1082 (stmt_cost): Likewise.
1083 (extract_true_false_args_from_phi): New helper.
1084 (determine_max_movement): For PHI nodes verify we can hoist them
1085 and compute their cost.
1086 (determine_invariantness_stmt): Handle PHI nodes.
1087 (move_computations_stmt): Likewise. Hoist PHI nodes in
1088 if-converted form using COND_EXPRs.
1089 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1090 (tree_ssa_lim): Likewise.
1091 * tree-flow.h (tree_ssa_lim): Adjust prototype.
1092 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1094 2010-05-06 Richard Guenther <rguenther@suse.de>
1096 PR tree-optimization/43987
1097 * tree-ssa-structalias.c (could_have_pointers): For possibly
1098 address-taken variables force pointers to be recorded.
1099 (create_variable_info_for_1): Likewise.
1100 (push_fields_onto_fieldstack): Pass in wheter all fields
1102 (find_func_aliases): Query types instead of vars whether
1103 they contain pointers where appropriate.
1105 2010-05-06 Jan Hubicka <jh@suse.cz>
1107 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1108 (record_reference, mark_address, mark_load, mark_store): Record
1110 (record_references_in_initializer): Update call of record_references.
1111 (rebuild_cgraph_edges): Remove all references before rebuiding.
1112 * cgraph.c (cgraph_create_node): Clear ref list.
1113 (cgraph_remove_node): Remove references.
1114 (dump_cgraph_node): Dump references.
1115 (cgraph_clone_node): Clone references.
1116 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1117 (struct cgraph_node, varpool_node): Add ref_lst.
1118 * ipa-ref.c: New file.
1119 * ipa-ref.h: New file.
1120 * ipa-ref-inline.h: New file.
1121 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1122 (referenced_from_other_partition_p): New function.
1123 (lto_output_varpool_node): Take set arugment; call
1124 referenced_from_other_partition.
1125 (lto_output_ref): New.
1126 (add_references): New.
1128 (output_cgraph): Compute boundary based on references; output refs.
1129 (output_varpool): Accept cgraph_node_set argument.
1132 (input_cgraph): Call input_refs.
1133 * lto-section-in.c (lto_section_name): Add refs.
1134 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1135 (ipa-ref.o): New file.
1136 * varpool.c (varpool_node): Clear ipa ref list.
1137 (varpool_remove_node): Remove references.
1138 (dump_varpool_node): Dump references.
1139 (varpool_assemble_decl): Only compile finalized ones.
1140 (varpool_extra_name_alias): Initialize ref list.
1141 * lto-streamer.c (lto-get_section_name): Add .refs section.
1142 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1143 (referenced_from_other_partition_p): Declared.
1145 2010-05-06 Ira Rosen <irar@il.ibm.com>
1147 PR tree-optimization/43901
1148 * tree-vect-stmts.c (vectorizable_call): Assert that vector
1149 type is not NULL if it's transformation phase, and return
1150 FALSE if it's analysis.
1151 (vectorizable_conversion, vectorizable_operation,
1152 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1154 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
1156 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1158 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1160 * config/mips/mips-protos.h
1161 (mips_small_register_classes_for_mode_p): Delete prototype.
1163 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
1165 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1166 * config/arm/arm.c (multiple_operation_profitable_p,
1167 compute_offset_order): New static functions.
1168 (load_multiple_sequence, store_multiple_sequence): Use them.
1169 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
1170 memory offsets, not register numbers.
1171 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1173 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
1175 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1176 (get_pending_sizes, put_pending_size, put_pending_sizes):
1177 Update the uses of pending_sizes.
1178 * c-decl.c (store_parm_decls): Likewise.
1179 * c-tree.h (struct c_arg_info): Likewise.
1180 * tree.h: Update the prototype for get_pending_sizes and
1183 2010-05-05 Jason Merrill <jason@redhat.com>
1186 * c-common.c (handle_aligned_attribute): Respect
1187 ATTR_FLAG_TYPE_IN_PLACE.
1190 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1191 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1192 (TARGET_INITIALIZER): Use it.
1193 * c-common.c (attribute_takes_identifier_p): Call it.
1194 * c-common.h: Update prototype.
1195 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1196 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1198 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1201 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1202 DW_ID_down_case for Fortran compilation units.
1204 2010-05-05 Jan Hubicka <jh@suse.cz>
1206 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1209 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
1211 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1212 a variable-sized RESULT_DECL.
1214 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
1216 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1218 2010-05-05 Jason Merrill <jason@redhat.com>
1221 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1223 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1225 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
1226 Jakub Jelinek <jakub@redhat.com>
1229 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1230 (dead_debug_init, dead_debug_finish): New functions.
1231 (dead_debug_add, dead_debug_insert_before): Likewise.
1232 (df_note_bb_compute): Initialize a dead_debug object, add dead
1233 debug uses to it, insert debug bind insns before death insns,
1234 reset debug insns that refer to pending uses at the end.
1235 * rtl.h (make_debug_expr_from_rtl): New prototype.
1236 * varasm.c (make_debug_expr_from_rtl): New function.
1238 2010-05-05 Jan Hubicka <jh@suse.cz>
1240 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1241 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1242 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1243 lto_varpool_encoder_deref, lto_varpool_encoder_size,
1244 lto_varpool_encoder_encode_initializer_p,
1245 lto_set_varpool_encoder_encode_initializer): New functions.
1246 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1247 call output_varpool.
1248 (input_varpool_node): Do not always set analyzed.
1249 (input_cgraph_1): Return vector of cgraph nodes.
1250 (input_varpool_1): Return vector of varpools.
1251 (input_cgraph): Free the vectors.
1252 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1253 output only initializers needed.
1254 (lto_output): Only call output_cgraph.
1255 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1256 * lto-section-out.c (lto_new_out_decl_state): Initialize
1257 state->varpool_node_encoder.
1258 * lto-streamer.h (lto_varpool_encoder_d): New.
1259 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1260 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1261 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1262 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1263 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1265 (output_varpool, input_varpool): Remove declarations.
1267 2010-05-05 Jan Hubicka <jh@suse.cz>
1269 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1270 with body can prevail.
1272 2010-05-05 Jan Hubicka <jh@suse.cz>
1274 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1277 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1279 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1281 * gengtype.h (erro_at_line): Constify pos argument.
1283 * gengtype.c: Include hashtab.h.
1284 (enum gc_used): Document GC_MAYBE_POINTED_TO.
1285 (error_at_line): Constify pos argument.
1286 (do_typedef): Initialize p->opt field.
1287 (get_file_gtfilename): Fix comment typo.
1288 (struct walk_type_data): Constify line field.
1289 (get_output_file_for_structure): New function.
1290 (write_local_func_for_structure): Constify orig_s argument.
1291 Use get_output_file_for_structure.
1292 (write_func_for_structure): Use get_output_file_for_structure.
1293 (INDENT): New define.
1294 (dump_pair, dump_type, dump_type_list, dump_typekind)
1295 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1296 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1298 (seen_types): New variable.
1299 (main): New variable do_dump. Process "-d" command line option.
1300 Call dump_everything if dump requested.
1302 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1304 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1305 in a temporary instead of invoking the macro multiple times.
1306 (track_expr_p): Likewise.
1308 2010-05-04 Neil Vachharajani <nvachhar@google.com>
1310 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1312 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1313 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
1314 conditions for printing notes.
1315 * common.opt (-Wcoverage-mismatch): Allow negative, default to
1316 true, update documentation.
1317 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1319 2010-05-04 Jakub Jelinek <jakub@redhat.com>
1322 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1325 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1328 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1329 (*sse_prologue_save_insn1): Likewise.
1330 (SSE prologue save splitter): Likewise.
1332 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
1334 * tree.c (free_lang_data_in_one_sizepos): New inline function.
1335 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1336 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1337 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1338 all decls. Call it on DECL_FIELD_OFFSET of fields.
1339 (find_decls_types_r): Follow DECL_VALUE_EXPR.
1340 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1342 2010-05-04 Martin Jambor <mjambor@suse.cz>
1344 * tree-sra.c (build_access_from_expr_1): The first parameter type
1345 changed to simple tree.
1346 (build_access_from_expr): Likewise, gsi parameter was eliminated.
1347 (scan_assign_result): Renamed to assignment_mod_result, enum elements
1349 (build_accesses_from_assign): Removed all parameters except for a
1350 simple gimple statement. Now returns a simple bool.
1351 (scan_function): All non-analysis parts moved to separate functions
1352 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
1353 parameters and updated both callers.
1354 (sra_modify_expr): Removed parameter data.
1355 (sra_modify_function_body): New function.
1356 (perform_intra_sra): Call sra_modify_function_body to modify the
1358 (replace_removed_params_ssa_names): Parameter data changed into
1360 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
1361 changed the parameter dont_convert to convert with the opposite
1363 (sra_ipa_modify_assign): Parameter data changed into adjustments
1364 vector, return value changed to bool.
1365 (ipa_sra_modify_function_body): New function.
1366 (sra_ipa_reset_debug_stmts): Updated a comment.
1367 (modify_function): Use ipa_sra_modify_function_body to modify function
1370 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1373 * alias.c (true_dependence): Handle the same VALUE in x and mem.
1374 (canon_true_dependence): Likewise.
1375 (write_dependence_p): Likewise.
1377 2010-05-04 Jan Hubicka <jh@suse.cz>
1379 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1380 * cgraphbuild.c: Include ipa-utils.h
1381 (record_reference_ctx): New struct.
1382 (record_reference): Simplify to work on initializers; not statements.
1383 (mark_address, mark_load, mark_store): New.
1384 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1386 (record_references_in_initializer): Update use of record_reference.
1387 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1390 2010-05-04 Jan Hubicka <jh@suse.cz>
1392 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1393 node will be removed anyway.
1394 (lto_varpool_replace_node): Allow also unanalyzed nodes;
1395 relink aliases of node into prevailing node.
1396 * varpool.c (varpool_remove_node): Remove aliases properly;
1397 when removing node, remove all its aliases too; remove DECL_INITIAL
1398 of removed node; ggc_free the varpool node.
1400 2010-05-04 Richard Guenther <rguenther@suse.de>
1402 PR tree-optimization/43879
1403 * tree-ssa-structalias.c (alias_get_name): Use
1404 DECL_ASSEMBLER_NAME if available.
1405 (create_function_info_for): Return the varinfo node.
1406 (ipa_pta_execute): Associate same-body aliases and extra names
1407 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
1409 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
1411 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1413 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
1416 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1417 only if HONOR_REG_ALLOC_ORDER is not defined.
1419 2010-05-04 Richard Guenther <rguenther@suse.de>
1421 PR tree-optimization/43949
1422 * tree-vrp.c (extract_range_from_binary_expr): Only handle
1425 2010-04-26 Jason Merrill <jason@redhat.com>
1427 * c.opt (-fstrict-enums): New.
1428 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1430 2010-05-03 David Ung <davidu@mips.com>
1431 James E. Wilson <wilson@codesourcery.com>
1433 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1434 emit the trap instruction before the divide for TUNE_74K.
1436 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
1438 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1439 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1440 based on the above, for new target hook.
1442 * hooks.c (hook_bool_mode_true): New generic hook.
1443 * hooks.h (hook_bool_mode_true): Add prototype.
1445 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1447 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1448 target hook, set to hook_bool_mode_false.
1449 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1450 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1451 with targetm.small_register_classes_for_mode_p.
1452 (find_reusable_reload): Likewise.
1453 (combine_reloads): Likewise.
1454 * reload1.c (reload_as_needed): Likewise.
1455 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1456 * ifcvt.c (noce_process_if_block, check_cond_move_block,
1457 dead_or_predicable): Likewise.
1458 * regmove.c (optimize_reg_copy_1): Likewise.
1459 * calls.c (prepare_call_address): Likewise.
1460 (precompute_register_parameters): Likewise.
1462 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1464 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1465 implementation of the hook that considers all register classes
1466 small except for SH64.
1467 (sh_override_options): Use the new hook.
1468 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1471 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1473 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1474 implementation of the hook that considers all register classes
1476 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1479 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1481 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1482 implementation of the hook that considers all register classes
1484 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1487 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1489 * config/m32c/m32c.h: Likewise.
1490 * config/pdp11/pdp11.h: Likewise.
1491 * config/avr/avr.h: Likewise.
1492 * config/xtensa/xtensa.h: Likewise.
1493 * config/m68hc11/m68hc11.h: Likewise.
1494 * config/mn10300/mn10300.h: Likewise.
1495 * config/mcore/mcore.h: Likewise.
1496 * config/h8300/h8300.h: Likewise.
1497 * config/bfin/bfin.h: Likewise.
1499 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1500 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1502 2010-05-03 Anatoly Sokolov <aesok@post.ru>
1504 * double-int.h (tree_to_double_int): Remove macro.
1505 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1506 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1507 (tree_to_double_int): New function.
1508 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1510 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1512 2010-05-03 Richard Guenther <rguenther@suse.de>
1514 PR tree-optimization/43971
1515 * tree-ssa-structalias.c (get_constraint_for_1): Fix
1516 constraints in the !flag_delete_null_pointer_checks case.
1518 2010-05-03 Jakub Jelinek <jakub@redhat.com>
1521 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1522 result mode matches original rtl mode.
1524 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
1527 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1529 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1531 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1532 when processing flag options.
1534 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1536 * gcov-iov.c (main): Change format string placeholder
1537 from %#08x to 0x%08x.
1538 * genchecksum.c (dosum): Change format string placeholder
1539 from %#02x to 0x%02x.
1541 2010-05-02 Richard Guenther <rguenther@suse.de>
1543 PR tree-optimization/43879
1544 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1546 2010-05-02 Bruno Haible <bruno@clisp.org>
1548 * doc/extend.texi (Function Attributes): Fix a typo.
1550 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1553 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1554 placeholder from 0x%x to %#x.
1555 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1556 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1557 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1558 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1559 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1560 * config/i386/i386.c (ix86_target_string): Ditto.
1561 * config/i386/i386.c (output_pic_addr_const): Ditto.
1562 (print_operand): Ditto.
1564 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1566 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1567 placeholder from 0x%x to %#x.
1568 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1569 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1570 (ASM_OUTPUT_DEBUG_DATA): Ditto.
1571 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1572 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1573 * optc-gen.awk: Ditto.
1574 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1575 (HOST_WIDE_INT_PRINT_HEX): Ditto.
1576 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1577 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1579 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1581 * target.h (struct calls): Add function_value_regno_p field.
1582 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1583 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1584 * targhooks.c (default_function_value_regno_p): New function.
1585 * targhooks.h (default_function_value_regno_p): Declare function.
1586 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1587 * builtins.c. (apply_result_size): (Ditto.).
1588 * combine.c. (likely_spilled_retval_p): (Ditto.).
1589 * mode-switching.c. Include 'target.h'.
1590 (create_pre_exit): Use function_value_regno_p hook.
1591 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1592 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1593 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1595 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1596 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1597 (ix86_function_value_regno_p): Declare as static, change argument
1598 type to const unsigned int.
1599 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1601 2010-05-01 Richard Guenther <rguenther@suse.de>
1603 PR tree-optimization/43949
1604 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1606 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1608 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1610 * rtl.h (CONST_DOUBLE_P): Define.
1611 (rtx_to_double_int): Declare.
1612 * emit-rtl.c (rtx_to_double_int): New function.
1613 * dwarf2out.c (insert_double): New function.
1614 (loc_descriptor, add_const_value_attribute): Clean up, use
1615 rtx_to_double_int and insert_double functions.
1617 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
1619 * doc/extend.texi (Inline): Add missing return keyword to examples.
1620 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1623 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
1625 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1626 the variable part of the offset as well. Use highest_pow2_factor for
1627 all alignment checks.
1629 2010-04-30 Richard Guenther <rguenther@suse.de>
1631 PR tree-optimization/43879
1632 * tree-ssa-structalias.c (type_could_have_pointers): Functions
1635 2010-04-30 Jan Hubicka <jh@suse.cz>
1637 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1639 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1641 2010-04-30 Jan Hubicka <jh@suse.cz>
1643 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1645 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1646 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1647 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1648 cgraph_node_set_needs_ltrans_p): Remove.
1650 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1652 * sdbout.c: Include vec.h, do not include varray.h.
1653 (deferred_global_decls, sdbout_global_decl,
1654 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1655 * toplev.c: Do not include varray.h.
1656 (dump_memory_report): Do not dump VARRAY statistics.
1657 * gengtype.c (open_base_file): Ignore varray.h.
1658 * Makefile.in: Update for abovementioned changes.
1659 Remove all traces of varray.c and varray.h.
1660 * varray.c: Remove file.
1661 * varray.h: Remove file.
1663 2010-04-30 Jan Hubicka <jh@suse.cz>
1665 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1668 2010-04-30 Jan Hubicka <jh@suse.cz>
1670 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1673 2010-04-30 Richard Guenther <rguenther@suse.de>
1675 * tree-ssa-structalias.c (get_constraint_for_1): Generate
1676 constraints for CONSTRUCTOR.
1678 2010-04-30 Richard Guenther <rguenther@suse.de>
1681 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1682 first after all lowering passes.
1684 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1686 * toplev.c: Include varray.h for statistics dumping.
1687 * tree.h: Do not declare varray_head_tag.
1688 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1689 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1690 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1691 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1692 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1693 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1694 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1695 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1697 * Makefile.in: Update for abovementioned changes.
1699 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1702 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1704 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1706 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1707 Use this function to do machine-specific conversion.
1708 (picochip_legitimize_reload_address): Likewise.
1709 (picochip_legitimate_address_p): Check valid base register only if
1711 (picochip_check_conditional_copy): Check for modw only if opnd is
1713 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1714 to call the function in c.
1715 * config/picochip/picochip-protos.h
1716 (picochip_legitimize_reload_address): Define.
1717 * config/picochip/picochip.md (supported_compare1): Define.
1719 2010-04-30 Jan Hubicka <jh@suse.cz>
1721 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1722 (cgraph_global_info): Remove inlined.
1723 (LTO_cgraph_tag_names): Remove.
1724 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1725 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1726 simplify cgraph tags and document.
1727 (lto_output_node): Use only LTO_cgraph_unavail_node and
1728 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1729 for_functions_valid, global info, process and output flags.
1730 (input_overwrite_node): Initialize estimated stack size and
1731 estimated growth. Do not read flags we no longer store.
1732 (input_node): Likewise do not read info no longer stored.
1733 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1736 2010-04-30 Richard Guenther <rguenther@suse.de>
1738 PR tree-optimization/43879
1739 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1740 handle non-zero initializers.
1742 2010-04-30 Richard Guenther <rguenther@suse.de>
1744 * builtins.c (fold_builtin_1): Delete free (0).
1746 2010-04-29 Jan Hubicka <jh@suse.cz>
1748 * gengtype.c (open_base_files): Add lto-streamer.h
1749 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1750 (pass_ipa_cp): GGC collect.
1751 * toplev. (compile_file): Do not output symbols.
1752 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1753 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1754 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1755 * lto-section-in.c: Include ggc.h
1756 (lto_new_in_decl_state): Alloc in GGC.
1757 (lto_delete_in_decl_state): Likewise.
1758 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1761 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1764 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1765 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
1766 (HONOR_REG_ALLOC_ORDER): Describe new macro.
1767 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1768 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1769 account only if HONOR_REG_ALLOC_ORDER is not defined.
1770 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1771 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1773 2010-04-29 Jon Grant <04@jguk.org>
1775 * collect2.c (vflag): Change type from int to bool.
1777 (helpflag): New global bool.
1778 (main): Set vflag and debug with boolean, not integer truth values.
1779 Accept new "--help" option and output usage text if found.
1780 * collect2.h (vflag): Update prototype.
1783 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1786 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1788 2010-04-29 Richard Guenther <rguenther@suse.de>
1791 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1792 with ATTRIBUTE_UNUSED.
1794 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1797 * config/i386/i386.c (get_some_local_dynamic_name): Replace
1798 INSN_P with NONDEBUG_INSN_P.
1799 (distance_non_agu_define): Likewise.
1800 (distance_agu_use): Likewise.
1802 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1804 From Dominique d'Humieres <dominiq@lps.ens.fr>
1806 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1809 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
1811 * plugin.h (invoke_plugin_callbacks): New inline function.
1812 * plugin.c (flag_plugin_added): New global flag.
1813 (add_new_plugin): Initialize above flag.
1814 (invoke_plugin_callbacks): Rename to ...
1815 (invoke_plugin_callbacks_full): ... this.
1817 2010-04-28 Jan Hubicka <jh@suse.cz>
1819 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1820 (lto_varpool_replace_node): New.
1821 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1822 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1823 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1824 * cgraph.h (varpool_node_ptr): New type.
1825 (varpool_node_ptr): New vector.
1826 (varpool_node_set_def): New structure.
1827 (varpool_node_set): New type.
1828 (varpool_node_set): New vector.
1829 (varpool_node_set_element_def): New structure.
1830 (varpool_node_set_element, const_varpool_node_set_element): New types.
1831 (varpool_node_set_iterator): New type.
1832 (varpool_node): Add prev pointers, add used_from_other_partition,
1834 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1835 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1836 varpool_get_node, varpool_remove_node): Declare.
1837 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1838 varpool_node_set_size): New inlines.
1839 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1840 * tree-pass.h (varpool_node_set_def): Forward declare.
1841 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1842 (ipa_write_optimization_summaries): Update prototype.
1843 * ipa-cp.c (ipcp_write_summary): Update.
1844 * ipa-reference.c (ipa_reference_write_summary): Update.
1845 * lto-cgraph.c (lto_output_varpool_node): New static function.
1846 (output_varpool): New function.
1847 (input_varpool_node): New static function.
1848 (input_varpool_1): New function.
1849 (input_cgraph): Input varpool.
1850 * ipa-pure-const.c (pure_const_write_summary): Update.
1851 * lto-streamer-out.c (lto_output): Update, output varpool too.
1852 (write_global_stream): Kill WPA hack.
1853 (produce_asm_for_decls): Update.
1854 (output_alias_pair_p): Handle variables.
1855 (output_unreferenced_globals): Output only needed partition of varpool.
1856 * ipa-inline.c (inline_write_summary): Update.
1857 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1859 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1860 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1861 varpool_node_set_new, varpool_node_set_add,
1862 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1863 debug_varpool_node_set): New functions.
1864 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1865 (execute_one_pass): Process new decls too.
1866 (ipa_write_summaries_2): Pass around vsets.
1867 (ipa_write_summaries_1): Likewise.
1868 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1870 (ipa_write_optimization_summaries_1): Pass around vsets.
1871 (ipa_write_optimization_summaries): Likewise.
1872 * varpool.c (varpool_get_node): New.
1873 (varpool_node): Update doubly linked lists.
1874 (varpool_remove_node): New.
1875 (dump_varpool_node): More dumping.
1876 (varpool_enqueue_needed_node): Update doubly linked lists.
1877 (decide_is_variable_needed): Kill ltrans hack.
1878 (varpool_finalize_decl): Kill lto hack.
1879 (varpool_assemble_decl): Skip decls in other partitions.
1880 (varpool_assemble_pending_decls): Update doubly linkes lists.
1881 (varpool_empty_needed_queue): Likewise.
1882 (varpool_extra_name_alias): Likewise.
1883 * lto-streamer.c (lto_get_section_name): Add vars section.
1884 * lto-streamer.h (lto_section_type): Update.
1885 (output_varpool, input_varpool): Declare.
1887 2010-04-28 Mike Stump <mikestump@comcast.net>
1889 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1891 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1893 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1894 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1895 (lto_input_ts_type_tree_pointers): Likewise.
1896 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1897 (lto_output_ts_type_tree_pointers): Likewise.
1899 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1901 Uniquization of constants at the Tree level
1902 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1903 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1905 (tree_output_constant_def): Declare.
1906 * gimplify.c (gimplify_init_constructor): When using block copy, first
1907 uniquize the constant constructor on the RHS.
1908 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1909 DECL_IN_CONSTANT_POOL flag.
1910 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1911 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1913 (assemble_variable): Deal with symbols belonging to the tree constant
1915 (get_constant_section): Add ALIGN parameter and simplify.
1916 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1917 (assemble_constant_contents): Use the expression of the VAR_DECL.
1918 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1919 (tree_output_constant_def): New global function.
1920 (mark_constant): Use the expression of the VAR_DECL.
1921 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1923 (output_object_block): Likewise and assemble the expression.
1925 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1927 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1928 hash_tree, eq_tree): New tree hash table.
1929 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1930 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1931 lto_orig_address_remove): Reimplement.
1933 2010-04-28 Xinliang David Li <davidxl@google.com>
1936 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1937 (compute_uninit_opnds_pos): New function.
1938 (is_non_loop_exit_postdominating): New function.
1939 (compute_control_dep_chain): New function.
1940 (find_pdom): New function.
1941 (convert_control_dep_chain_into_preds): New function.
1942 (find_predicates): New function.
1943 (find_control_equiv_block): New function.
1944 (collect_phi_def_edges): New function.
1945 (find_def_preds): New function.
1946 (find_dom): New function.
1947 (dump_predicates): New function.
1948 (get_cmp_code): New function.
1949 (is_value_included_in): New function.
1950 (find_matching_predicate_in_rest_chains): New function.
1951 (use_pred_not_overlap_with_undef_path_pred): New function.
1952 (is_use_properly_guarded): New function.
1953 (normalize_cond_1): New function.
1954 (is_and_or_or): New function.
1955 (normalize_cond): New function.
1956 (is_gcond_subset_of): New function.
1957 (is_subset_of_any): New function.
1958 (is_or_set_subset_of): New function.
1959 (is_and_set_subset_of): New function.
1960 (is_norm_cond_subset_of): New function.
1961 (is_pred_expr_subset_of): New function.
1962 (is_pred_chain_subset_of): New function.
1963 (is_included_in): New function.
1964 (is_superset_of): New function.
1965 (find_uninit_use): New function.
1966 (warn_uninitialized_phi): New function.
1967 (compute_possibly_undefined_names): New function.
1968 (ssa_undefined_value_p): New function.
1969 (execute_late_warn_uninitialized): New function.
1970 * tree-ssa.c (ssa_undefined_value_p): Removed.
1971 (warn_uninit): Changed to extern.
1972 (warn_uninitialized_phi): Removed.
1973 (warn_uninitialized_vars): Changed to extern.
1974 (execute_late_warn_uninitialized): Removed
1975 * tree-flow.h: Add new prototypes.
1976 * timevar.def: Add new time variable.
1977 * Makefile.in: Add new build file.
1979 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1981 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1984 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1987 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1989 2010-04-28 Martin Jambor <mjambor@suse.cz>
1991 * cgraph.h (struct cgraph_node): New field indirect_calls.
1992 (struct cgraph_indirect_call_info): New type.
1993 (struct cgraph_edge): Removed field indirect_call. New fields
1994 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1995 (cgraph_create_indirect_edge): Declare.
1996 (cgraph_make_edge_direct): Likewise.
1997 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1998 * ipa-prop.h (struct ipa_param_call_note): Removed.
1999 (struct ipa_node_params): Removed field param_calls.
2000 (ipa_create_all_structures_for_iinln): Declare.
2001 * cgraph.c: Described indirect edges and uids in initial comment.
2002 (cgraph_add_edge_to_call_site_hash): New function.
2003 (cgraph_edge): Search also among the indirect edges, use
2004 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2005 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2006 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2008 (initialize_inline_failed): Assign a reason to indirect edges.
2009 (cgraph_create_edge_1): New function.
2010 (cgraph_create_edge): Moved some functionality to
2011 cgraph_create_edge_1.
2012 (cgraph_create_indirect_edge): New function.
2013 (cgraph_edge_remove_callee): Add an assert checking for
2015 (cgraph_edge_remove_caller): Special-case indirect edges.
2016 (cgraph_remove_edge): Likewise.
2017 (cgraph_set_edge_callee): New function.
2018 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2019 (cgraph_make_edge_direct): New function.
2020 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2021 the declaration of the call statement matches.
2022 (cgraph_node_remove_callees): Special-case indirect edges.
2023 (cgraph_clone_edge): Likewise.
2024 (cgraph_clone_node): Clone also the indirect edges.
2025 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2026 indirect_call, dump count of indirect_calls edges.
2027 * ipa-prop.c (iinlining_processed_edges): New variable.
2028 (ipa_note_param_call): Create indirect edges instead of
2029 creating notes. New parameter node.
2030 (ipa_analyze_call_uses): New parameter node, pass it on to
2031 ipa_note_param_call.
2032 (ipa_analyze_stmt_uses): Likewise.
2033 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2034 (print_edge_addition_message): Work on edges rather than on notes.
2035 (update_call_notes_after_inlining): Likewise, renamed to
2036 update_indirect_edges_after_inlining.
2037 (ipa_create_all_structures_for_iinln): New function.
2038 (ipa_free_node_params_substructures): Do not free notes.
2039 (ipa_edge_duplication_hook): Propagate bits within
2040 iinlining_processed_edges bitmap.
2041 (ipa_node_duplication_hook): Do not duplicate notes.
2042 (free_all_ipa_structures_after_ipa_cp): Renamed to
2043 ipa_free_all_structures_after_ipa_cp.
2044 (free_all_ipa_structures_after_iinln): Renamed to
2045 ipa_free_all_structures_after_iinln.
2046 (ipa_write_param_call_note): Removed.
2047 (ipa_read_param_call_note): Removed.
2048 (ipa_write_indirect_edge_info): New function.
2049 (ipa_read_indirect_edge_info): Likewise.
2050 (ipa_write_node_info): Do not stream notes, do stream information
2052 (ipa_read_node_info): Likewise.
2053 (lto_ipa_fixup_call_notes): Removed.
2054 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2055 * ipa-inline.c (pass_ipa_inline): Likewise.
2056 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2057 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2058 * tree-inline.c (copy_bb): Removed an unnecessary double check for
2060 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2062 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2063 (output_cgraph): Stream also indirect edges.
2064 (lto_output_edge): Added capability to stream indirect edges.
2065 (input_edge): Likewise.
2066 (input_cgraph_1): Likewise.
2067 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2070 2010-04-28 Richard Guenther <rguenther@suse.de>
2072 PR tree-optimization/43879
2073 PR tree-optimization/43909
2074 * tree-ssa-structalias.c (struct variable_info): Add
2075 only_restrict_pointers flag.
2076 (new_var_info): Initialize it. Increment stats.total_vars here.
2077 (create_function_info_for): Do not increment stats.total_vars here.
2078 (get_function_part_constraint): Fix build with C++.
2079 (insert_into_field_list): Remove.
2080 (push_fields_onto_fieldstack): Properly merge fields.
2081 (create_variable_info_for): Split and simplify.
2082 (create_variable_info_for_1): New piece.
2083 (intra_create_variable_infos): Properly make restrict constraints
2086 2010-04-28 Richard Guenther <rguenther@suse.de>
2089 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2091 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
2092 Jan Hubicka <hubicka@ucw.cz>
2094 * doc/invoke.texi (-Wsuggest-attribute=const,
2095 -Wsuggest-attribute=pure): Document.
2096 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2097 (function_always_visible_to_compiler_p,
2098 suggest_attribute, warn_function_pure, warn_function_const):
2100 (check_call): Improve debug info.
2101 (analyze_function): Do not check availability.
2102 (add_new_function): Check availability.
2103 (propagate): Output warnings.
2104 (skip_function_for_local_pure_const): New function.
2105 (local_pure_const): Use it; output warnings.
2106 * common.opt (Wsuggest-attribute=const,
2107 Wsuggest-attribute=pure): New.
2109 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2111 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2112 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2113 or DW_CFA_def_cfa_offset{,_sf}.
2115 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2117 * tree.h: Fix truncated long macros.
2119 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
2121 * collect2.c (TARGET_64BIT): Redefine to target's default.
2122 * tlink.c: Likewise.
2123 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2124 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2125 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2126 for underscoring __USER_LABEL_PREFIX__.
2127 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2128 (SUB_LINK_ENTRY32): New.
2129 (SUB_LINK_ENTRY64): New.
2130 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2131 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2132 (SUB_LINK_ENTRY64): New.
2133 (SUB_LINK_ENTRY): New.
2134 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2135 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2136 x64 target is choosen.
2137 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2138 * configure: Regenerated.
2139 * configure.ac (leading-mingw64-underscores): Option added.
2141 2010-04-27 Jan Hubicka <jh@suse.cz>
2143 * doc/invoke.texi (-fipa-profile): Document.
2144 * opts.c (decode_options): Enable ipa-profile at -O1.
2145 * timevar.def (TV_IPA_PROFILE): Define.
2146 * common.opt (fipa-profile): Add.
2147 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2149 (cgraph_propagate_frequency): Handle only local ones.
2150 * tree-pass.h (pass_ipa_profile): Declare.
2151 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2152 (pass_ipa_profile): Use TV_IPA_PROFILE.
2153 * ipa.c (ipa_profile): New function.
2154 (gate_ipa_profile): Likewise.
2155 (pass_ipa_profile): New global variable.
2156 * passes.c (pass_ipa_profile): New.
2158 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
2160 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2162 2010-04-27 Martin Jambor <mjambor@suse.cz>
2165 * ipa.c (dissolve_same_comdat_group_list): New function.
2166 (function_and_variable_visibility): Call
2167 dissolve_same_comdat_group_list when comdat group contains external or
2169 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2170 lists are circular and that they contain only DECL_ONE_ONLY nodes.
2172 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2174 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2175 (const_hash_1) <VECTOR_CST>: New case.
2176 (compare_constant) <VECTOR_CST>: Likewise.
2177 <ADDR_EXPR>: Deal with LABEL_REFs.
2178 (copy_constant) <VECTOR_CST>: New case.
2180 2010-04-27 Jan Hubicka <jh@suse.cz>
2182 * cgraph.c (cgraph_propagate_frequency): New function.
2183 * cgraph.h (cgraph_propagate_frequency): Declare.
2184 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2185 cgraph_propagate_frequency.
2187 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2189 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2191 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
2194 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2195 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2196 here to determine which regs to push and how much stack to reserve.
2198 2010-04-27 Jie Zhang <jie@codesourcery.com>
2200 * doc/gimple.texi (gimple_statement_with_ops): Remove
2201 addresses_taken field.
2202 (gimple_statement_with_memory_ops): Likewise.
2204 2010-04-27 Jan Hubicka <jh@suse.cz>
2206 * tree-inline.c (eni_inlining_weights): Remove.
2207 (estimate_num_insns): Special case more builtins.
2209 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
2212 * c-typeck.c (build_binary_op): Move forward check for comparison
2213 pointer with null pointer constant and adjust the diagnostic message.
2215 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
2218 * configure.ac (gcc_cv_as_section_has_align): Set if installed
2219 binutils supports extended .section directive needed by LTO, or
2220 warn if older binutils found.
2221 (LTO_BINARY_READER): New AC_SUBST'd variable.
2222 (LTO_USE_LIBELF): Likewise.
2223 * gcc/config.gcc (lto_binary_reader): New target-specific configure
2225 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2226 (LTO_USE_LIBELF): Likewise.
2227 * configure: Regenerate.
2229 * collect2.c (is_elf): Rename from this ...
2230 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2231 object files in addition to ELF-formatted ones.
2232 (scan_prog_file): Caller updated. Also allow for LTO info marker
2233 symbol to be prefixed or not by an extra underscore.
2235 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2236 * config/i386/winnt.c: Also #include lto-streamer.h
2237 (i386_pe_asm_named_section): Specify 1-byte section alignment for
2239 (i386_pe_asm_output_aligned_decl_common): Add comment.
2240 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2242 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
2245 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2246 Add missing earlyclobber for second alternative.
2248 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
2250 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2251 bits for artificial defs at the top of the block.
2252 * fwprop.c (single_def_use_enter_block): Don't call it.
2254 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
2257 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2258 instead of "$gcc_cv_objdump -T".
2259 Use "-undefined dynamic_lookup" on darwin.
2260 * gcc/configure: Regenerate.
2262 2010-04-26 Jakub Jelinek <jakub@redhat.com>
2265 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2267 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2269 * c-parser.c (struct c_token): Move location field up.
2270 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2271 (struct c_declspecs): Convert typespec_word, storage_class, and
2272 default_int_p into bitfields.
2273 (struct c_declarator): Move loc field up.
2275 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2277 * cfgloop.h (struct loop): Move can_be_parallel field up.
2278 * ipa-prop.h (struct ip_node_params): Move bitfields up.
2279 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2281 (struct iv_cand): Convert pos field into a bitfield.
2282 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2284 (struct _stmt_vec_info): Shuffle fields for better packing.
2286 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2288 * varasm.c (IN_NAMED_SECTION): Remove guard.
2289 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2290 (IN_NAMED_SECTION_P): ...this.
2291 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2292 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2294 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2296 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2297 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
2298 of shadowing it. Fix comments.
2300 2010-04-26 Jan Hubicka <jh@suse.cz>
2302 * cgraph.c (cgraph_create_node): Set node frequency to normal.
2303 (cgraph_clone_node): Copy function frequency.
2304 * cgraph.h (node_frequency): New enum
2305 (struct cgraph_node): Add.
2306 * final.c (rest_of_clean_state): Update.
2307 * lto-cgraph.c (lto_output_node): Output node frequency.
2308 (input_overwrite_node): Input node frequency.
2309 * tre-ssa-loop-ivopts (computation_cost): Update.
2310 * lto-streamer-out.c (output_function): Do not output function
2312 * predict.c (maybe_hot_frequency_p): Update and handle functions
2314 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2316 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2317 (compute_function_frequency): Set noreturn functions to be executed
2319 (choose_function_section): Update.
2320 * lto-streamer-in.c (input_function): Do not input function frequency.
2321 * function.c (allocate_struct_function): Do not initialize function
2323 * function.h (function_frequency): Remove.
2324 (struct function): Remove function frequency.
2325 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2326 (try_update): Update.
2327 * tree-inline.c (initialize_cfun): Do not update function frequency.
2328 * passes.c (pass_init_dump_file): Update.
2329 * i386.c (ix86_compute_frame_layout): Update.
2330 (ix86_pad_returns): Update.
2332 2010-04-26 Jie Zhang <jie@codesourcery.com>
2334 PR tree-optimization/43833
2335 * tree-vrp.c (range_int_cst_p): New.
2336 (range_int_cst_singleton_p): New.
2337 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2338 when both operands are constants. Use range_int_cst_p in
2341 2010-04-26 Jan Hubicka <jh@suse.cz>
2343 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2345 2010-04-26 Richard Guenther <rguenther@suse.de>
2348 * gimple.c (gimple_decl_printable_name): Deal gracefully
2349 with a NULL DECL_NAME.
2351 2010-04-26 Richard Guenther <rguenther@suse.de>
2354 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2355 if emitting debug information and it is either a function
2356 or a namespace decl.
2358 2010-04-26 Ira Rosen <irar@il.ibm.com>
2360 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2361 determine if the statement is vectorizable, and a macro to access it.
2362 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2363 Skip statements that can't be vectorized. If the analysis fails,
2364 mark the statement as unvectorizable if vectorizing basic block.
2365 (vect_compute_data_refs_alignment): Likewise.
2366 (vect_verify_datarefs_alignment): Skip statements marked as
2367 unvectorizable. Add print.
2368 (vect_analyze_group_access): Skip statements that can't be
2369 vectorized. If the analysis fails, mark the statement as
2370 unvectorizable if vectorizing basic block.
2371 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2372 * tree-vect-stmts.c (vectorizable_store): Fix the number of
2373 generated stmts for SLP.
2374 (new_stmt_vec_info): Initialize the new field.
2375 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2376 statements marked as unvectorizable.
2378 2010-04-25 Joseph Myers <joseph@codesourcery.com>
2380 * c-common.c (flag_isoc1x): New.
2381 (flag_isoc99): Update comment.
2382 * c-common.h (flag_isoc1x): New.
2383 (flag_isoc99): Update comment.
2384 * c-cppbuiltin.c (builtin_define_float_constants): Also define
2385 __<type>_DECIMAL_DIG__.
2386 * c-opts.c (set_std_c1x): New.
2387 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2388 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2389 * c.opt (-std=c1x, -std=gnu1x): New options.
2390 * doc/cpp.texi: Mention -std=c1x.
2391 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2392 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2393 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2394 * doc/standards.texi: Mention C1X.
2395 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2396 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2397 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2400 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
2402 * config/i386/gmon-sol2.c (_mcleanup): Change format string
2403 placeholder from 0x%x to %#x.
2404 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2405 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2406 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2407 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2408 * config/i386/i386.c (ix86_target_string): Ditto.
2409 (output_pic_addr_const): Ditto.
2410 (print_operand): Ditto.
2412 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
2414 * combine.c (find_split_point): Add third argument. Use it
2415 to find nested multiply-accumulate instructions. Adjust calls.
2416 (try_combine): Adjust call to find_split_point.
2418 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
2420 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2422 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
2424 PR tree-optimization/41442
2425 * fold-const.c (merge_truthop_with_opposite_arm): New function.
2426 (fold_binary_loc): Call it.
2428 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2430 * toplev.c (general_init): Set default for fdiagnostics-show-option.
2431 * opts.c (common_handle_option): Allow disabling it.
2432 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2434 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
2436 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2437 between modes if both types are integral.
2439 2010-04-23 Richard Guenther <rguenther@suse.de>
2441 PR tree-optimization/43572
2442 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2444 2010-04-23 Richard Guenther <rguenther@suse.de>
2447 * tree-inline.c (tree_can_inline_p): Also check compatibility
2450 2010-04-23 Martin Jambor <mjambor@suse.cz>
2452 PR tree-optimization/43846
2453 * tree-sra.c (struct access): New flag grp_assignment_read.
2454 (build_accesses_from_assign): Set grp_assignment_read.
2455 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2456 (enum mark_read_status): New type.
2457 (analyze_access_subtree): Propagate grp_assignment_read, create
2458 accesses also if both direct_read and root->grp_assignment_read.
2460 2010-04-23 Martin Jambor <mjambor@suse.cz>
2463 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2464 function does not have type attributes.
2466 2010-04-23 Richard Guenther <rguenther@suse.de>
2469 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2472 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2474 * sese.h (create_if_region_on_edge): Remove.
2476 * sese.c (create_if_region_on_edge): Make static.
2478 * tree-inline.c: Do not include ggc.h.
2480 * expr.c: Do not include ggc.h.
2482 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2485 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
2488 * config/sh/sh.c (find_barrier): Don't emit a constant pool
2489 in the middle of insns for casesi_worker_2.
2491 2010-04-22 David Edelsohn <edelsohn@gnu.org>
2493 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2495 2010-04-22 Ira Rosen <irar@il.ibm.com>
2497 PR tree-optimization/43842
2498 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2499 loop unrolling in update of exit phis. Fix comment.
2500 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2501 least two reduction statements in the loop before starting SLP
2504 2010-04-22 Nick Clifton <nickc@redhat.com>
2506 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2508 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
2510 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2513 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2515 * tree-parloops.c (loop_parallel_p): New argument
2516 parloop_obstack. Pass it down.
2517 (parallelize_loops): New variable parloop_obstack. Initialize it,
2518 pass it down, free it.
2520 * tree-loop-linear.c (linear_transform_loops): Pass down
2523 * tree-data-ref.h (lambda_compute_access_matrices): New argument
2524 of type struct obstack *.
2526 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2527 scratch_obstack. Initialize it, pass down, free it.
2529 * lambda.h (lambda_loop_new): Remove.
2530 (lambda_matrix_new, lambda_matrix_inverse)
2531 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2532 argument of type struct obstack *.
2534 * lambda-trans.c (lambda_trans_matrix_new): New argument
2535 lambda_obstack. Pass it down, use obstack allocation for ret.
2536 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
2539 * lambda-mat.c (lambda_matrix_get_column)
2540 (lambda_matrix_project_to_null): Remove.
2541 (lambda_matrix_new): New argument lambda_obstack. Use obstack
2543 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2546 * lambda-code.c (lambda_loop_new): New function.
2547 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2548 (lambda_compute_auxillary_space, lambda_compute_target_space)
2549 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2550 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2551 (build_access_matrix): New argument lambda_obstack. Use obstack
2553 (lambda_compute_step_signs, lambda_compute_access_matrices): New
2554 argument lambda_obstack. Pass it down.
2556 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2558 * optabs.h (expand_widening_mult): Declare.
2560 2010-04-22 Richard Guenther <rguenther@suse.de>
2562 PR tree-optimization/43845
2563 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2564 lookup the CALL_EXPR function and arguments.
2566 2010-04-22 Nick Clifton <nickc@redhat.com>
2568 * config/stormy16/stormy16.c
2569 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2570 * config/stormy16/stormy16.h: Tidy up formatting.
2571 (DONT_USE_BUILTIN_SETJMP): Remove definition.
2572 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2573 (ineqbranchsi): Delete pattern.
2574 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2575 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2576 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2577 stormy16-lib2-ucmpsi2.c.
2579 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2581 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2582 df_simulate_find_noclobber_defs as appropriate. Keep track of an
2583 extra set merge_set_noclobber, and use it to relax the final test
2585 * df.h (df_simulate_find_noclobber_defs): Declare.
2586 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2588 (df_simulate_find_noclobber_defs): New function.
2590 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
2592 * config/i386/i386.md: Use {} around multi-line preparation statements.
2594 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2596 * c-tree.h (push_init_level, pop_init_level, set_init_index)
2597 (process_init_element): New argument of type struct obstack *.
2599 * c-typeck.c (push_init_level, pop_init_level, set_designator)
2600 (set_init_index, set_init_label, set_nonincremental_init)
2601 (set_nonincremental_init_from_string, find_init_member)
2602 (output_init_element, output_pending_init_elements)
2603 (process_init_element): New argument braced_init_obstack. Pass it
2605 (push_range_stack, add_pending_init): New argument
2606 braced_init_obstack. Use obstack allocation.
2608 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2609 braced_init_obstack. Pass it down.
2610 (c_parser_braced_init): New variables ret, braced_init_obstack.
2611 Initialize obstack, pass it down and finally free it.
2613 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2616 * tree-pass.h (pass_optimize_widening_mul): Declare.
2617 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2618 gate_optimize_widening_mul): New static functions.
2619 (pass_optimize_widening_mul): New.
2620 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2621 <case MULT_EXPR>: Remove support for widening multiplies.
2622 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2623 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2624 simplify_gen_unary rather than directly building extensions.
2625 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2627 * expmed.c (expand_widening_mult): New function.
2628 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2630 2010-04-21 Jan Hubicka <jh@suse.cz>
2632 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2633 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2634 * lto-wpa-fixup.c: Remove.
2635 * Makefile.in (lto-wpa-fixup.o): Remove.
2636 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2637 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2638 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2640 2010-04-21 Jan Hubicka <jh@suse.cz>
2642 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2643 add write_optimization_summary, read_optimization_summary.
2644 (ipa_write_summaries_of_cgraph_node_set): Remove.
2645 (ipa_write_optimization_summaries): Declare.
2646 (ipa_read_optimization_summaries): Declare.
2647 * ipa-cp.c (pass_ipa_cp): Update.
2648 * ipa-reference.c (pass_ipa_reference): Update.
2649 * ipa-pure-const.c (pass_ipa_pure_const): Update.
2650 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2652 * ipa-inline.c (pass_ipa_inline): Update.
2653 * ipa.c (pass_ipa_whole_program): Update.
2654 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2655 * passes.c (ipa_write_summaries_1): Do not test wpa.
2656 (ipa_write_optimization_summaries_1): New.
2657 (ipa_write_optimization_summaries): New.
2658 (ipa_read_summaries): Do not test ltrans.
2659 (ipa_read_optimization_summaries_1): New.
2660 (ipa_read_optimization_summaries): New.
2662 2010-04-21 Jan Hubicka <jh@suse.cz>
2664 * lto-cgraph.c (lto_output_node): Do not output comdat groups
2666 (output_cgraph): Do not arrange comdat groups for boundary nodes.
2668 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2671 * dwarf2out.c (add_name_and_src_coords_attributes): Add
2672 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2674 2010-04-21 Jan Hubicka <jh@suse.cz>
2676 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2678 2010-04-21 Jan Hubicka <jh@suse.cz>
2680 * varpool.c (decide_is_variable_needed): Variable is always needed
2683 2010-04-21 Jan Hubicka <jh@suse.cz>
2685 * opts.c (decode_options): Enable pure-const pass for whopr.
2687 2010-04-21 Jan Hubicka <jh@suse.cz>
2689 * cgraph.c (dump_cgraph_node): Dump also assembler name.
2690 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2692 (cgraph_decide_inlining): Do not expect callee to be removed in all
2695 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2697 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2699 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2701 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2702 amdfam10_decode attributes.
2704 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2707 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2708 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2709 (lower_copyprivate_clauses): Use private var in outer
2710 context instead of original var. Make sure the types
2711 are correct for VLAs.
2713 2010-04-21 Richard Guenther <rguenther@suse.de>
2715 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2716 to non-pointer objects.
2718 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2720 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2721 last chain entry if it starts with the still current label.
2722 (add_location_or_const_value_attribute): Check that
2723 loc_list->first->next is NULL instead of comparing ->first with ->last.
2724 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2725 to add_var_loc_to_decl.
2727 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2728 >= 4 add also address size and segment size fields into CIE header.
2730 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2731 long as address size is the same as sizeof (void *) and
2733 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2734 address size or segment size is unexpected, return DW_EH_PE_omit.
2735 (classify_object_over_fdes): If get_cie_encoding returned
2736 DW_EH_PE_omit, return -1.
2737 (init_object): If classify_object_over_fdes returned -1,
2738 pretend there were no FDEs at all.
2740 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2742 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2743 bswap{si,di}2 using SWI48 mode iterator.
2744 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2745 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
2746 set modrm attribute of bswap insn to 0 and remove length attribute.
2747 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2748 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
2749 set mode attribute to <MODE> and remove length attribute.
2751 2010-04-20 James E. Wilson <wilson@codesourcery.com>
2753 PR rtl-optimization/43520
2754 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2755 zero available registers.
2757 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2759 * builtins.c (fold_builtin_cproj): Fold more cases.
2761 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2763 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2764 (fold_builtin_1): Fold builtin cproj.
2765 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2766 Use ATTR_CONST_NOTHROW_LIST.
2768 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
2770 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2771 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
2772 ffsi2_no_cmove for !TARGET_CMOVE.
2773 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
2774 (ffssi2): Remove expander.
2775 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2777 (ctz<mode>2): Ditto from ctz{si,di}2.
2778 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2780 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2783 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2785 * dwarf2out.c (AT_linkage_name): Define.
2786 (clone_as_declaration): Handle DW_AT_linkage_name.
2787 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2788 of DW_AT_MIPS_linkage_name.
2789 (move_linkage_attr): Likewise.
2790 (dwarf2out_finish): Likewise.
2792 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2795 * fold-const.c (fold_comparison): New folding rule.
2797 2010-04-20 Anatoly Sokolov <aesok@post.ru>
2799 * double-int.h (double_int_setbit): Declare.
2800 * double-int.c (double_int_setbit): New function.
2801 * rtl.h (immed_double_int_const): Declare.
2802 * emit-rtl.c (immed_double_int_const): New function.
2803 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2804 and immed_double_int_const functions.
2805 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2806 expand_copysign_bit): (Ditto.).
2807 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2808 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2809 * dojump.c (prefer_and_bit_test): (Ditto.).
2810 * expr.c (convert_modes, reduce_to_bit_field_precision,
2811 const_vector_from_tree): (Ditto.).
2812 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2814 2010-04-20 Jan Hubicka <jh@suse.cz>
2816 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2817 (dump_cgraph_node): Dump new flags.
2818 * cgraph.h (struct cgraph_node): Add flags
2819 reachable_from_other_partition and in_other_partition.
2820 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2821 other partition can not be removed.
2822 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2823 the other partition must be output; silence sanity checking on
2824 leaking functions bodies from other paritition.
2825 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2826 (lto_output_node): Output new flags; do not sanity check that inline
2827 clones are output; drop lto_forced_extern_inline_p code; do not mock
2828 visibility flags at partition boundaries.
2829 (add_node_to): New function.
2830 (output_cgraph): Use it to sort functions so masters appear before
2832 (input_overwrite_node): Input new flags.
2833 * passes.c (ipa_write_summaries): Do not call
2834 lto_new_extern_inline_states.
2835 * lto-section-out.c (forced_extern_inline,
2836 lto_new_extern_inline_states lto_delete_extern_inline_states,
2837 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2838 * lto-streamer.h (lto_new_extern_inline_states,
2839 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2840 lto_forced_extern_inline_p): Kill.
2842 2010-04-20 Richard Guenther <rguenther@suse.de>
2844 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2845 from vars that can have pointers.
2846 (process_constraint): Dump useless constraints.
2848 2010-04-20 Richard Guenther <rguenther@suse.de>
2850 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2851 (dump_sa_points_to_info): Remove asserts.
2852 (init_base_vars): nothing_id isn't an escape point nor does it
2855 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2857 * tree.h (TYPE_REF_IS_RVALUE): Define.
2858 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2859 should_move_die_to_comdat, prune_unused_types_walk): Handle
2860 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2861 (modified_type_die, gen_reference_type_die): Emit
2862 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2863 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2865 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2868 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2869 calls for -fpic -m31 if they have been sibcall optimized.
2871 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2873 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2874 ar.lc fixed and call-used.
2876 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2878 2010-04-19 Jan Hubicka <jh@suse.cz>
2880 * opts.c (decode_options): Disable whpr incompatible passes.
2881 * lto/lto.c (lto_1_to_1_map): Skip clones.
2882 (read_cgraph_and_symbols): Do not mark everything as needed.
2883 (do_whole_program_analysis): Do map only after optimizing;
2884 set proper cgraph_state; use passmanager.
2886 2010-04-19 DJ Delorie <dj@redhat.com>
2888 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2889 POINTER_PLUS_EXPR and fix them.
2891 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2893 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2894 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2895 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2896 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2897 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2898 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2899 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2900 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2901 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2902 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2903 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2905 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2907 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2908 (check_cond_move_block): Likewise.
2909 (cond_move_process_if_block): Likewise.
2910 (noce_find_if_block): Improve formatting.
2911 (find_if_header): Pass 0 to memset and tweak conditions.
2912 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2914 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2916 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2920 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2921 with non-local decl doesn't need chain.
2923 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2925 * ira-color.c (allocno_reload_assign): Avoid accumulating
2926 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2928 2010-04-19 Martin Jambor <mjambor@suse.cz>
2930 * gimple.h (create_tmp_reg): Declare.
2931 * gimplify.c (create_tmp_reg): New function.
2932 (gimplify_return_expr): Use create_tmp_reg.
2933 (gimplify_omp_atomic): Likewise.
2934 (gimple_regimplify_operands): Likewise.
2935 * tree-dfa.c (make_rename_temp): Likewise.
2936 * tree-predcom.c (predcom_tmp_var): Likewise.
2937 (reassociate_to_the_same_stmt): Likewise.
2938 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2939 (get_replaced_param_substitute): Likewise.
2940 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2941 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2942 * tree-ssa-pre.c (get_representative_for): Likewise.
2943 (create_expression_by_pieces): Likewise.
2944 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2945 (create_tailcall_accumulator): Likewise.
2947 2010-04-19 Martin Jambor <mjambor@suse.cz>
2949 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2951 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2953 2010-04-19 Richard Guenther <rguenther@suse.de>
2955 PR tree-optimization/43796
2956 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2957 from SCEV in the lattice.
2958 (vrp_visit_phi_node): Dump change.
2960 2010-04-19 Richard Guenther <rguenther@suse.de>
2962 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2963 * configure: Re-generated.
2965 2010-04-19 Richard Guenther <rguenther@suse.de>
2967 PR tree-optimization/43783
2968 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2969 constant ARRAY_REF operands two and three if possible.
2971 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2974 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2976 2010-04-19 Jie Zhang <jie@codesourcery.com>
2979 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2981 2010-04-19 Ira Rosen <irar@il.ibm.com>
2983 PR tree-optimization/37027
2984 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2985 and macro to access it.
2986 (vectorizable_reduction): Add argument.
2987 (vect_get_slp_defs): Likewise.
2988 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2989 statements for possible use in SLP.
2990 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2991 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2992 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2994 (vectorizable_reduction): Likewise.
2995 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2997 (vectorizable_type_demotion, vectorizable_type_promotion,
2998 vectorizable_store): Likewise.
2999 (vect_analyze_stmt): Update call to vectorizable_reduction.
3000 (vect_transform_stmt): Likewise.
3001 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3002 (vect_build_slp_tree): Fix indentation. Check that there are no loads
3003 from different interleaving chains in same node.
3004 (vect_slp_rearrange_stmts): New function.
3005 (vect_supported_load_permutation_p): Allow load permutations for
3006 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3007 inside SLP nodes if necessary.
3008 (vect_analyze_slp_instance): Handle reductions.
3009 (vect_analyze_slp): Try to build SLP instances originating from groups
3011 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3012 (vect_get_constant_vectors): Create initial vectors for reductions
3013 according to reduction code. Add new argument.
3014 (vect_get_slp_defs): Add new argument, pass it to
3015 vect_get_constant_vectors.
3016 (vect_schedule_slp_instance): Remove SLP tree root statements.
3018 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3020 * tree.h (ENUM_IS_SCOPED): Define.
3021 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3022 for ENUM_IS_SCOPED enums.
3024 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
3026 * fold-const.c (fold_comparison): Use ssizetype.
3027 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3028 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3029 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3030 * tree-object-size.c (compute_object_sizes): Use size_type_node.
3032 * tree.h (initialize_sizetypes): Remove parameter.
3033 (build_common_tree_nodes): Remove second parameter.
3034 * stor-layout.c (initialize_sizetypes): Remove parameter.
3035 Always create an unsigned type.
3036 (set_sizetype): Assert that the passed type is unsigned and simplify.
3037 * tree.c (build_common_tree_nodes): Remove second parameter.
3038 Adjust call to initialize_sizetypes.
3039 * c-decl.c (c_init_decl_processing): Remove second argument in call to
3040 build_common_tree_nodes.
3042 2010-04-18 Matthias Klose <doko@ubuntu.com>
3044 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3046 2010-04-18 Ira Rosen <irar@il.ibm.com>
3048 PR tree-optimization/43771
3049 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3050 load permutation doesn't have gaps.
3052 2010-04-18 Jan Hubicka <jh@suse.cz>
3054 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3055 (sse_prologue_save_insn expander): Use new pattern.
3056 (sse_prologue_save_insn1): New pattern and splitter.
3057 (sse_prologue_save_insn): Update to deal also with 64bit aligned
3059 * i386.c (setup_incoming_varargs_64): Do not compute jump
3061 (ix86_gimplify_va_arg): Update alignment needed.
3062 (ix86_local_alignment): Do not align all local arrays to 128bit.
3064 2010-04-17 Jan Hubicka <jh@suse.cz>
3066 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3068 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3070 * arm.md (negdi2): Remove redundant code to force values into a
3073 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3075 * arm/bpabi.S: Add EABI alignment attributes to objects.
3076 * arm/bpabi-v6m.S: Likewise.
3077 * arm/crti.asm: Likewise.
3078 * arm/crtn.asm: Likewise.
3079 * arm/lib1funcs.asm: Likewise.
3080 * arm/libunwind.S: Likewise.
3082 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3084 * arm-protos.h (tune_params): New structure.
3085 * arm.c (current_tune): New variable.
3086 (arm_constant_limit): Delete.
3087 (struct processors): Add pointer to the tune parameters.
3088 (arm_slowmul_tune): New tuning option.
3089 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3090 (all_cores): Adjust to pick up the tuning model.
3091 (arm_constant_limit): New function.
3092 (arm_override_options): Select the appropriate tuning model. Delete
3093 initialization of arm_const_limit.
3094 (arm_split_constant): Use the new constant-limit model.
3095 (arm_rtx_costs): Pick up the current tuning model.
3096 * arm.md (is_strongarm, is_xscale): Delete.
3097 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3098 for Xscale variant architectures.
3099 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3101 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3103 * config/arm/arm.c (arm_gen_constant): Remove unused variable
3105 (arm_rtx_costs_1): Remove unused variable extra_cost.
3106 (arm_unwind_emit_set): Use variable offset.
3107 (thumb1_output_casesi): Remove unused variable flags.
3109 2010-04-16 Jeff Law <law@redhat.com>
3111 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3112 needing assignment rather than doing a two-phase assignment. Remove
3113 unused variable 'm'.
3115 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3118 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3120 2010-04-16 Doug Kwan <dougkwan@google.com>
3122 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3123 (next_operand_entry_id): New static variable.
3124 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3125 (add_to_ops_vec): Assigned unique ID to operand entry.
3126 (struct oecount_s): New field ID.
3127 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3128 (undistribute_ops_list): Assign unique IDs to oecounts.
3129 (init_reassoc): reset next_operand_entry_id.
3131 2010-04-16 Doug Kwan <dougkwan@google.com>
3133 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3134 missing left parenthesis.
3136 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
3138 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3139 *btdi_rex64 using SWI48 mode iterator.
3140 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3141 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3142 *jcc_btdi_mask_rex64.
3144 2010-04-16 Anatoly Sokolov <aesok@post.ru>
3146 * double-int.h (tree_to_double_int): Convert to macro.
3147 * double-int.c (tree_to_double_int): Remove.
3149 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3152 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3153 with want_address 2 and in case a single element list might be
3154 possible, call it again with want_address 0.
3156 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3158 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3159 case 'W' print operands for HI mode.
3160 * config/h8300/h8300.h (Y0, Y2) : New constraints.
3161 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3162 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3163 * config/h8300/predicate.md (bit_register_indirect_operand): New.
3165 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3167 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3168 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3169 #xx:3 and #xx:4 mode.
3171 * config/h8300/h8300.md (inverted load with HImode dest): Add
3172 support for H8300SX.
3174 * config/h8300/predicate.md (bit_operand): Allow immediate values that
3175 satisfy 'U' constraint.
3177 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3179 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3180 * configure: Regenerate.
3181 * config.in: Regenerate.
3182 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3185 2010-04-16 Richard Guenther <rguenther@suse.de>
3187 * tree.h (struct tree_decl_minimal): Move pt_uid ...
3188 (struct tree_decl_common): ... here.
3189 (DECL_PT_UID): Adjust.
3190 (SET_DECL_PT_UID): Likewise.
3191 (DECL_PT_UID_SET_P): Likewise.
3193 2010-04-16 Richard Guenther <rguenther@suse.de>
3195 PR tree-optimization/43572
3196 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3197 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3198 * tree-flow.h (is_call_clobbered): Remove.
3199 * tree-flow-inline.h (is_call_clobbered): Likewise.
3200 * tree-dfa.c (dump_variable): Do not dump call clobber state.
3201 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3202 (execute_return_slot_opt): Adjust.
3203 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3204 check for call clobbered vars here.
3205 (find_tail_calls): Move tailcall verification to the
3208 2010-04-16 Diego Novillo <dnovillo@google.com>
3210 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3212 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3215 * config/arm/arm.md (cbranchqi4): New pattern.
3216 * config/arm/predicates.md (const0_operand,
3217 cbranchqi4_comparison_operator): New predicates.
3219 2010-04-16 Richard Guenther <rguenther@suse.de>
3221 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3222 (dump_gimple_stmt): Likewise.
3224 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3226 * recog.h (struct recog_data): New field is_operator.
3227 (struct insn_operand_data): New field is_operator.
3228 * recog.c (extract_insn): Set recog_data.is_operator.
3229 * genoutput.c (output_operand_data): Emit code to set the
3231 * reload.c (find_reloads): Use it rather than testing for an
3232 empty constraint string.
3235 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3236 If the previous insn is a cbranchsi4_insn with the same arguments,
3237 omit the compare instruction.
3239 * config/arm/arm.md (addsi3_cbranch): If destination is a high
3240 register, inputs must be low registers and we need a low register
3241 scratch. Handle alternative 2 like alternative 3.
3243 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3245 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3246 don't call get_addr on both. If one expression is a VALUE and
3247 the other a REG, check VALUE's locs if the REG isn't among them.
3249 2010-04-16 Christian Bruel <christian.bruel@st.com>
3251 * config/sh/sh.h (sh_frame_pointer_required): New function.
3252 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3253 (flag_omit_frame_pointer) Set.
3254 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3255 (rounded_frame_size): Adjust size with outgoing_args_size.
3256 (sh_set_return_address): Must return from stack pointer.
3257 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3258 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3259 (ACCUMULATE_OUTGOING_ARGS): Define.
3260 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3261 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3263 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3266 * config/sh/sh.c (sh_legitimize_reload_address): Use
3267 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3268 Remove a unneeded check for offset_base.
3270 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
3272 * configure: Regenerated.
3274 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3276 * config/s390/s390.c (s390_call_save_register_used): Switch back
3277 to HARD_REGNO_NREGS.
3279 2010-04-15 Richard Guenther <rguenther@suse.de>
3281 * alias.c (alias_set_subset_of): Handle alias-set zero
3284 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
3285 Julian Brown <julian@codesourcery.com>
3287 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3288 alternatives according to use of high and low regs.
3289 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3290 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3291 optimizing for size on Thumb-2.
3293 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
3295 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3297 2010-04-15 Richard Guenther <rguenther@suse.de>
3299 * tree-ssa-structalias.c (struct variable_info): Add
3301 (new_var_info): Initialize it.
3302 (dump_constraints): Support printing last added constraints.
3303 (debug_constraints): Adjust.
3304 (dump_constraint_graph): Likewise.
3305 (make_heapvar_for): Check for NULL cfun.
3306 (get_function_part_constraint): New function.
3307 (get_fi_for_callee): Likewise.
3308 (find_func_aliases): Properly implement IPA PTA constraints.
3309 (process_ipa_clobber): New function.
3310 (find_func_clobbers): Likewise.
3311 (insert_into_field_list_sorted): Remove.
3312 (create_function_info_for): Properly allocate vars for IPA mode.
3313 Do not use insert_into_field_list_sorted.
3314 (create_variable_info_for): Properly generate constraints for
3315 global vars in IPA mode.
3316 (dump_solution_for_var): Always dump the solution.
3317 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3318 (find_what_var_points_to): Adjust.
3319 (pt_solution_set): Change.
3320 (pt_solution_ior_into): New function.
3321 (pt_solution_empty_p): Export.
3322 (pt_solution_includes_global): Adjust.
3323 (pt_solution_includes_1): Likewise.
3324 (pt_solutions_intersect_1): Likewise.
3325 (dump_sa_points_to_info): Check some invariants.
3326 (solve_constraints): Move constraint dumping ...
3327 (compute_points_to_sets): ... here.
3328 (ipa_pta_execute): ... and here.
3329 (compute_may_aliases): Do not re-compute points-to info
3330 locally if IPA info is available.
3331 (ipa_escaped_pt): New global var.
3332 (ipa_pta_execute): Properly implement IPA PTA.
3333 * tree-into-ssa.c (dump_decl_set): Support dumping
3334 decls not in referenced-vars.
3335 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3336 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3337 (dump_points_to_solution): Likewise.
3338 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3339 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3340 (remap_gimple_stmt): Reset call clobber/use information if necessary.
3341 (copy_decl_to_var): Copy DECL_PT_UID.
3342 (copy_result_decl_to_var): Likewise.
3343 * tree.c (make_node_stat): Initialize DECL_PT_UID.
3344 (copy_node_stat): Copy it.
3345 * tree.h (DECL_PT_UID): New macro.
3346 (SET_DECL_PT_UID): Likewise.
3347 (DECL_PT_UID_SET_P): Likewise.
3348 (struct tree_decl_minimal): Add pt_uid member.
3349 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3350 (pt_solution_empty_p): Declare.
3351 (pt_solution_set): Adjust.
3352 (ipa_escaped_pt): Declare.
3353 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3354 * gimple-pretty-print.c (pp_points_to_solution): New function.
3355 (dump_gimple_call): Dump call clobber/use information.
3356 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3357 * tree-pass.h (TDF_ALIAS): New dump option.
3358 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3359 * doc/invoke.texi (-fipa-pta): Update documentation.
3361 2010-04-15 Richard Guenther <rguenther@suse.de>
3363 * Makefile.in (OBJS-common): Add gimple-fold.o.
3364 (gimple-fold.o): New rule.
3365 * tree.h (maybe_fold_offset_to_reference,
3366 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3368 * gimple.h: ... here.
3369 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3370 may_propagate_address_into_dereference): Move prototypes ...
3371 * gimple.h: ... here.
3372 * tree-ssa-ccp.c (get_symbol_constant_value,
3373 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3374 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3375 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3376 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3377 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3378 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3379 gimplify_and_update_call_from_tree): Move ...
3380 * gimple-fold.c: ... here. New file.
3381 (ccp_fold_builtin): Rename to ...
3382 (gimple_fold_builtin): ... this.
3383 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3385 2010-04-15 Richard Guenther <rguenther@suse.de>
3387 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3388 fit_double_type, force_fit_type_double, add_double_with_sign,
3389 neg_double, mul_double_with_sign, lshift_double, rshift_double,
3390 lrotate_double, rrotate_double, div_and_round_double): Move ...
3391 * double-int.c: ... here.
3392 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3393 add_double, neg_double, mul_double_with_sign, mul_double,
3394 lshift_double, rshift_double, lrotate_double, rrotate_double,
3395 div_and_round_double): Move prototypes ...
3396 * double-int.h: ... here.
3398 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
3401 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
3402 matching constraints to ensure inputs match the output.
3404 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3407 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3408 in an input-only operand.
3410 2010-04-15 Anatoly Sokolov <aesok@post.ru>
3412 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3413 (double_int_not, double_int_lshift, double_int_rshift): Declare.
3414 (double_int_negative_p): Convert to static inline function.
3415 * double-int.c (double_int_lshift, double_int_lshift): New functions.
3416 (double_int_negative_p): Remove.
3417 * tree.h (lshift_double, rshift_double):
3418 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3419 * fold-const.c (fold_convert_const_int_from_real,
3420 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3421 (lshift_double): Change type of arith argument to bool.
3422 (rshift_double): Change type of arith argument to bool. Correct
3424 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3426 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
3429 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3430 at the start and end of the then/else blocks, and omit them from the
3432 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
3433 argument; all callers changed. Pass zero to old_insns_match_p instead.
3434 (flow_find_head_matching_sequence): New function.
3435 (old_insns_match_p): Check REG_EH_REGION notes for calls.
3436 * basic-block.h (flow_find_cross_jump,
3437 flow_find_head_matching_sequence): Declare functions.
3439 2010-04-14 Jason Merrill <jason@redhat.com>
3442 * c-common.c (attribute_takes_identifier_p): New fn.
3443 * c-common.h: Declare it.
3445 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3447 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3449 (*udivmod<mode>4): Ditto.
3451 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3453 * config/i386/i386.md (maxmin_int): Rename code attribute from
3454 maxminiprefix and update all users.
3455 (maxmin_float): Ditto from maxminfprefix.
3456 (logic): Ditto from logicprefix.
3457 (absneg_mnemonic): Ditto from absnegprefix.
3458 * config/i386/mmx.md: Update all users of maxminiprefix,
3459 maxminfprefix and logicprefix for rename.
3460 * config/i386/sse.md: Ditto.
3461 * config/i386/sync.md (sync_<code><mode>): Update for
3464 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
3467 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3468 warnings converted to errors.
3470 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3472 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3473 used insn_type variable.
3474 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3475 to avoid set-but-not-used warning.
3477 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3479 * df-core.c (df_ref_debug): Change format string placeholder
3481 * dwarf2asm.c (dw2_asm_output_data_raw,
3482 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3483 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3484 * dwarf2out.c (output_cfi, output_cfi_directive,
3485 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3486 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3488 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3489 * print-rtl.c (print_rtx): Ditto.
3491 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3494 * builtins.c (expand_builtin_pow_root): New function to expand pow
3495 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3496 series of sqrt and cbrt calls under -ffast-math.
3497 (expand_builtin_pow): Call it.
3499 2010-04-14 Michael Matz <matz@suse.de>
3501 PR tree-optimization/42963
3502 * tree-cfg.c (touched_switch_bbs): New static variable.
3503 (group_case_labels_stmt): New function broken out from ...
3504 (group_case_labels): ... here, use the above.
3505 (start_recording_case_labels): Allocate touched_switch_bbs.
3506 (end_recording_case_labels): Deallocate it, call
3507 group_case_labels_stmt.
3508 (gimple_redirect_edge_and_branch): Remember index of affected BB.
3510 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3512 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3515 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3517 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3519 2010-04-13 Jan Hubicka <jh@suse.cz>
3521 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3522 of optimized out static functions.
3523 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3524 cost computation. Also sanity check for overflows.
3525 (update_caller_keys): Update cgraph_edge_badness call; properly
3526 update fibheap and sanity check that it is up to date.
3527 (add_new_edges_to_heap): Update cgraph_edge_badness.
3528 (cgraph_decide_inlining_of_small_function): Likewise;
3529 add sanity checking that badness in heap is up to date;
3530 improve dumping of reason; Update badness of calls to the
3531 offline copy of function currently inlined; dump badness
3532 of functions not inlined because of unit growth limits.
3534 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3537 * c-common.c (pointer_int_sum): Disregard overflow that occured only
3538 because of sign-extension change when converting to sizetype here...
3539 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3541 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3542 the folding to constants. Remove redundant final conversion.
3543 (fold_binary) <associate>: Do not associate if the re-association of
3544 constants alone overflows.
3545 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3546 to the end of the list.
3547 (multiple_of_p) <COND_EXPR>: New case.
3549 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
3551 * opt-functions.awk (opt_sanitized_name): New.
3553 * optc-gen.awk: Use it
3554 * opth-gen.awk: Use it.
3556 2010-04-13 Martin Jambor <mjambor@suse.cz>
3558 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3559 (sra_modify_assign): Delete stmts loading dead data even if racc has no
3560 children. Call replace_uses_with_default_def_ssa_name to handle
3563 2010-04-13 Michael Matz <matz@suse.de>
3566 * builtins.c (expand_builtin_interclass_mathfn): Also create
3567 a register if the predicate doesn't match.
3569 2010-04-13 Diego Novillo <dnovillo@google.com>
3571 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3572 * c-pch.c: Include timevar.h.
3573 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3574 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3575 * ggc-common.c: Include timevar.h.
3576 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3577 * timevar.def (TV_PCH_SAVE): Define.
3578 (TV_PCH_CPP_SAVE): Define.
3579 (TV_PCH_PTR_REALLOC): Define.
3580 (TV_PCH_PTR_SORT): Define.
3581 (TV_PCH_RESTORE): Define.
3582 (TV_PCH_CPP_RESTORE): Define.
3584 2010-04-13 Michael Matz <matz@suse.de>
3586 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3588 (can_reassociate_p): New function.
3589 (break_up_subtract_bb, reassociate_bb): Use it.
3591 2010-04-13 Richard Guenther <rguenther@suse.de>
3594 * builtins.c (c_readstr): Fix assert.
3596 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
3598 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3599 when generating cltd insn.
3601 (*ashl<mode>3_1): Remove special handling for register operand 2.
3602 (*ashlsi3_1_zext): Ditto.
3603 (*ashlhi3_1): Ditto.
3604 (*ashlhi3_1_lea): Ditto.
3605 (*ashlqi3_1): Ditto.
3606 (*ashlqi3_1_lea): Ditto.
3607 (*<shiftrt_insn><mode>3_1): Ditto.
3608 (*<shiftrt_insn>si3_1_zext): Ditto.
3609 (*<shiftrt_insn>qi3_1_slp): Ditto.
3610 (*<rotate_insn><mode>3_1): Ditto.
3611 (*<rotate_insn>si3_1_zext): Ditto.
3612 (*<rotate_insn>qi3_1_slp): Ditto.
3614 2010-04-13 Richard Guenther <rguenther@suse.de>
3616 * tree-ssa-structalias.c (callused_id): Remove.
3617 (call_stmt_vars): New.
3618 (get_call_vi): Likewise.
3619 (lookup_call_use_vi): Likewise.
3620 (lookup_call_clobber_vi): Likewise.
3621 (get_call_use_vi): Likewise.
3622 (get_call_clobber_vi): Likewise.
3623 (make_transitive_closure_constraints): Likewise.
3624 (handle_const_call): Adjust to do per-call call-used handling.
3625 (handle_pure_call): Likewise.
3626 (find_what_var_points_to): Remove general callused handling.
3627 (init_base_vars): Likewise.
3628 (init_alias_vars): Initialize call_stmt_vars.
3629 (compute_points_to_sets): Process call-used and call-clobbered
3630 vars for call statements.
3631 (delete_points_to_sets): Free call_stmt_vars.
3633 2010-04-13 Richard Guenther <rguenther@suse.de>
3635 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3636 Only add RW dependence for dependence distance zero.
3637 Adjust maximal vectorization factor according to dependences.
3638 Move alignment handling ...
3639 (vect_find_same_alignment_drs): ... here. New function.
3640 (vect_analyze_data_ref_dependences): Adjust.
3641 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3642 (vect_analyze_data_refs): Adjust minimal vectorization factor
3643 according to data references.
3644 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3645 dependences before determining the vectorization factor.
3646 Analyze alignment after determining the vectorization factor.
3647 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3648 dependences before alignment.
3649 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3651 (vect_analyze_data_refs): Likewise.
3652 (MAX_VECTORIZATION_FACTOR): New define.
3654 2010-04-13 Duncan Sands <baldrick@free.fr>
3656 * except.h (lang_eh_type_covers): Remove.
3657 * except.c (lang_eh_type_covers): Likewise.
3659 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3660 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3662 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3663 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3664 UNITS_PER_LONG where it is ABI relevant.
3665 (s390_return_addr_rtx): Likewise.
3666 (s390_back_chain_rtx): Likewise.
3667 (s390_frame_area): Likewise.
3668 (s390_frame_info): Likewise.
3669 (s390_initial_elimination_offset): Likewise.
3670 (save_gprs): Likewise.
3671 (s390_emit_prologue): Likewise.
3672 (s390_emit_epilogue): Likewise.
3673 (s390_function_arg_advance): Likewise.
3674 (s390_function_arg): Likewise.
3675 (s390_va_start): Likewise.
3676 (s390_gimplify_va_arg): Likewise.
3677 (s390_function_profiler): Likewise.
3678 (s390_optimize_prologue): Likewise.
3679 (s390_rtx_costs): Likewise.
3680 (s390_secondary_reload): Likewise.
3681 (s390_promote_function_mode): Likewise.
3682 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3683 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3684 registers available.
3685 (s390_unwind_word_mode): New function.
3686 (s390_function_value): Split 64 bit values into register pair if
3687 used as return value.
3688 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3689 function call parameters. Handle parallels.
3690 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3691 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3692 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3693 (s390_expand_setmem): Remove unused variable src_addr.
3694 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3695 deal with 64 bit registers.
3696 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3697 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3698 (UNITS_PER_LONG): New macro.
3699 * libjava/include/s390-signal.h: Define extended ucontext
3700 structure containing the upper halfs of the 64 bit registers.
3702 2010-04-13 Simon Baldwin <simonb@google.com>
3704 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3706 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3708 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3709 rvalue on the RHS if the LHS is of a non-renamable type.
3710 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3712 2010-04-13 Matthias Klose <doko@ubuntu.com>
3714 * gcc.c (cc1_options): Handle -iplugindir before processing
3715 the cc1 spec. Only add -iplugindir once.
3716 (cpp_unique_options): Add -iplugindir option if -fplugin* options
3718 * common.opt (iplugindir): Remove `Separate' property, initialize.
3719 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3721 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3722 (distclean): Remove plugin dir.
3723 * doc/invoke.texi: Document -iplugindir.
3725 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
3727 * doc/plugins.texi (Loading Plugins): Document short
3728 -fplugin=foo option.
3729 (Plugin API): Mention default_plugin_dir_name function.
3731 * gcc.c (find_file_spec_function): Add new declaration.
3732 (static_spec_func): Use it for "find-file".
3733 (find_file_spec_function): Add new function.
3734 (cc1_options): Add -iplugindir option if -fplugin* options found.
3736 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3738 * plugin.c (add_new_plugin): Updated comment, and handle short
3740 (default_plugin_dir_name): Added new function.
3742 * common.opt (iplugindir): New option to set the plugin directory.
3744 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
3746 * config/i386/i386.md (any_rotate): New code iterator.
3747 (rotate_insn): New code attribute.
3749 (SWIM124): New mode iterator.
3750 (<rotate_insn>ti3): New expander.
3751 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3752 any_rotate code iterator.
3753 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3754 using any_rotate code iterator and SWIM124 mode iterator.
3755 (ix86_rotlti3): New insn_and_split pattern.
3756 (ix86_rotrti3): Ditto.
3757 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3758 ix86_rotl{di,ti}3 patterns.
3759 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3760 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3761 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3762 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3763 code iterator and SWI mode iterator.
3764 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3765 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3767 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3768 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3769 (bswap rotatert splitter): Add splitter.
3770 (bswap splitter): Macroize splitter using any_rotate code iterator.
3771 Add insn predicate to split only for TARGET_USE_XCHGB or when
3772 optimizing function for size.
3774 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3776 * config/pa/pa.c (emit_move_sequence): Remove use of
3777 deleted variable flag_argument_noalias.
3779 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3781 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3783 Add to unsupported targets list.
3784 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3785 sparc*-sun-solaris2.[567]* from target lists.
3786 * configure: Regenerate.
3787 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3789 Remove Solaris 7 patch references.
3790 (Specific, sparc-sun-solaris2.7): Removed.
3791 (sparc-sun-solaris2*): Update Solaris 7 example.
3792 (sparc64-*-solaris2*): Likewise.
3794 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3796 * config.build (alpha*-dec-osf4*): Remove.
3797 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3798 of obsolete configurations.
3799 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3801 * config/alpha/t-osf4: Renamed to ...
3802 * config/alpha/t-osf5: ... this.
3803 * config/alpha/osf.h: Renamed to ...
3804 * config/alpha/osf5.h: ... this.
3805 Merged old osf5.h contents.
3807 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3808 (EXTRA_SPECS): Removed.
3809 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3810 reflect removal of Tru64 UNIX V4.0/V5.0 support.
3813 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3815 * doc/contrib.texi (Contributors, Rainer Orth): Update.
3817 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
3820 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3821 __thiscall convention.
3823 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3825 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3827 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3829 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3831 * function.c (assign_parms_initialize_all): Add unused attribute
3834 2010-04-12 Richard Guenther <rguenther@suse.de>
3836 * gsstruct.def (GSS_CALL): New.
3837 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3838 * gimple.h: Include tree-ssa-alias.h.
3839 (struct gimple_statement_call): New.
3840 (union gimple_statement_struct_d): Add gimple_call member.
3841 (gimple_call_reset_alias_info): Declare.
3842 (gimple_call_use_set): New function.
3843 (gimple_call_clobber_set): Likewise.
3844 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3845 * gimple.c (gimple_call_reset_alias_info): New function.
3846 (gimple_build_call_1): Call it.
3847 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3848 * tree-inline.c (remap_gimple_stmt): Likewise.
3849 (expand_call_inline): Remove callused handling.
3850 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3851 * tree-dfa.c (dump_variable): Likewise.
3852 * tree-parloops.c (parallelize_loops): Likewise.
3853 * tree-ssa.c (init_tree_ssa): Likewise.
3854 (delete_tree_ssa): Likewise.
3855 * tree-flow-inline.h (is_call_used): Remove.
3856 * tree-flow.h (struct gimple_df): Remove callused member.
3857 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3858 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3859 (ref_maybe_used_by_call_p_1): Simplify.
3860 (call_may_clobber_ref_p_1): Likewise.
3861 * tree-ssa-structalias.c (compute_points_to_sets): Set
3862 the call stmt used and clobbered sets.
3863 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3864 (find_tail_calls): Verify the tail call.
3866 2010-04-12 Richard Guenther <rguenther@suse.de>
3868 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3869 single-iteration always-inline inlining.
3870 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3871 (cgraph_decide_inlining): Do not handle always-inline specially.
3872 (try_inline): Remove always-inline cycle detection special case.
3873 Do not recurse on always-inlines.
3874 (cgraph_early_inlining): Do not iterate if not optimizing.
3875 (cgraph_gate_early_inlining): remove.
3876 (pass_early_inline): Run unconditionally.
3877 (gate_cgraph_decide_inlining): New function.
3878 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3879 not inlining or optimizing.
3880 (cgraph_decide_inlining_of_small_functions): Also consider
3881 always-inline functions.
3882 (cgraph_default_inline_p): Return true for nodes which should
3883 disregard inline limits.
3884 (estimate_function_body_sizes): Assume zero size and time for
3885 nodes which are marked as disregarding inline limits.
3886 (cgraph_decide_recursive_inlining): Do not perform recursive
3887 inlining on always-inline nodes.
3889 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3892 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3893 for exprs satisfying handled_component_p.
3895 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3897 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3898 non-constant aggregate elements.
3900 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3901 is a real initialization.
3903 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3906 * c-decl.c (start_function): Move forward check for nested function.
3908 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3910 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3911 * config/sh/sh.c: Include reload.h.
3912 (sh_legitimize_reload_address): New.
3913 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3914 sh_legitimize_reload_address.
3916 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3918 * config/sh/sh.md (*movqi_pop): New insn pattern.
3919 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3921 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3923 * config/i386/i386.md (any_shiftrt): New code iterator.
3924 (shiftrt_insn): New code attribute.
3926 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3927 using any_shiftrt code iterator.
3928 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3929 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3930 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3931 pattern from corresponding peephole2 patterns.
3932 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3933 using any_shiftrt code iterator.
3934 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3935 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3936 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3937 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3938 *{ashr,lshr}<mode>3_cmp_zext.
3939 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3941 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3943 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3945 (*lshr<mode>3_cconly): Ditto.
3947 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3949 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3950 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3951 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3952 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3954 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3955 from corresponding peephole2 patterns.
3956 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3957 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3958 and *lshrdi3_1_rex64 using SWI mode iterator.
3959 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3960 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3961 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3962 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3963 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3964 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3965 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3966 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3967 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3970 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3972 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3973 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3974 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3975 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3977 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3978 from corresponding peephole2 patterns.
3979 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3980 (ashrsi3_cvt): Rename from ashrsi3_31.
3981 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3982 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3983 and x86_64_shift_adj_3 using SWI48 mode iterator.
3984 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3985 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3986 and *ashrdi3_1_rex64 using SWI mode iterator.
3987 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3988 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3989 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3990 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3991 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3992 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3993 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3994 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3995 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3997 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3998 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3999 x86_shift<mode>_adj_3 expanders.
4001 2010-04-10 Wei Guozhi <carrot@google.com>
4004 * config/arm/arm.c (arm_pic_static_addr): New function.
4005 (legitimize_pic_address): Call arm_pic_static_addr when it detects
4007 (arm_output_addr_const_extra): Output expression for new pattern.
4008 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
4010 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
4012 * ira-costs.c (record_reg_classes): Ignore alternatives that are
4015 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
4016 * web.c: Include "insn-config.h" and "recog.h".
4017 (union_match_dups): New function.
4018 (web_main): Call it.
4019 (union_defs): Don't try to recognize match_dups.
4021 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
4022 if doing so would replace the entire pattern.
4024 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4028 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
4029 and splitter pattern. Change splitter operand 1 predicate to
4032 2010-04-09 Martin Jambor <mjambor@suse.cz>
4034 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
4035 lattices are addresses of CONST_DECLs with the same initial value.
4036 (ipcp_print_all_lattices): Print values of CONST_DECLs.
4037 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
4039 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
4040 Bernd Schmidt <bernds@codesourcery.com>
4042 * loop-invariant.c (replace_uses): New static function.
4043 (move_invariant_reg): Use it to ensure we can replace the uses.
4045 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
4047 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
4049 (picochip_override_options): Enable section anchors only above -O1.
4050 (picochip_reorg): Fixed a couple of build warnings.
4052 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4054 * configure.ac (plugin -rdynamic test): Log result.
4055 * configure: Regenerate.
4056 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
4057 (RDYNAMIC_SPEC): Define.
4058 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
4060 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4062 * configure.ac: Determine Sun ld version numbers.
4063 (comdat_group): Restrict GNU ld version checks to gld.
4064 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
4065 (enable_comdat): Support --enable-comdat.
4066 * configure: Regenerate.
4067 * doc/install.texi (Configuration): Document --enable-comdat.
4069 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4071 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
4072 * config/sol2-gld.h: ... here.
4073 * config.gcc (sparc*-*-solaris2*): Reflect this.
4074 (i[34567]86-*-solaris2*): Use it.
4076 2010-04-09 Steve Ellcey <sje@cup.hp.com>
4078 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
4080 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
4082 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4085 * diagnostic.c (diagnostic_initialize): Initialize
4086 some_warnings_are_errors.
4087 (diagnostic_finish): New.
4088 (diagnostic_action_after_output): Call it before exiting.
4089 (diagnostic_report_diagnostic): Do not print message here. Set
4090 some_warnings_are_errors.
4091 * diagnostic.h (diagnostic_context): Delete
4092 issue_warnings_are_errors_message. Add some_warnings_are_errors.
4093 (diagnostic_finish): Declare.
4094 * toplev.c (toplev_main): Call it before exit.
4096 2010-04-09 Jason Merrill <jason@redhat.com>
4099 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
4100 for incomplete type.
4103 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
4104 based on a warning flag.
4106 2010-04-09 Richard Guenther <rguenther@suse.de>
4108 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
4110 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
4113 * varasm.c (default_assemble_visibility): Wrap vars that are
4114 set, but unused, by targets without GAS.
4115 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
4116 Remove set, but unused, vars.
4117 (rs6000_legitimize_tls_address): Likewise.
4118 (altivec_expand_dst_builtin): Likewise.
4119 * config/darwin.c (machopic_classify_symbol): Likewise.
4120 (machopic_indirection_name): Likewise.
4122 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4124 * config/i386/i386.md (DWI): New mode iterator.
4125 (S): New mode attribute.
4126 (shift_operand): Ditto.
4127 (shift_immediate_operand): Ditto.
4128 (ashl_input_operand): Ditto.
4129 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
4130 using SDWIM mode iterator.
4131 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
4132 pattern from *ashl{di,ti}3_1 and corresponding splitters using
4134 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
4135 from corresponding peephole2 patterns.
4136 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
4137 and x86_64_shift_adj_1 using SWI48 mode iterator.
4138 (x86_shift<mode>_adj_2): Ditto.
4139 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
4140 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
4141 using SWI48 mode iterator.
4142 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
4143 *ashldi3_cmp_rex64 using SWI mode iterator.
4144 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
4145 *ashldi3_cconly_rex64 using SWI mode iterator.
4146 * config/i386/i386.c (ix86_split_ashl): Update for renamed
4147 x86_shift<mode>_adj_{1,2}.
4148 (ix86_split_ashr): Ditto.
4149 (ix86_split_lshr): Ditto.
4151 2010-04-09 Richard Guenther <rguenther@suse.de>
4153 * target.h (builtin_conversion): Pass in input and output types.
4154 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
4155 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
4156 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
4157 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
4159 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
4161 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
4163 2010-04-09 Richard Guenther <rguenther@suse.de>
4166 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
4168 2010-04-09 Richard Guenther <rguenther@suse.de>
4170 * tree-vectorizer.h (struct _stmt_vec_info): Document
4171 that vectype is the type of the LHS.
4172 (supportable_widening_operation, supportable_narrowing_operation):
4173 Get both input and output vector types as arguments.
4174 (vect_is_simple_use_1): Declare.
4175 (get_same_sized_vectype): Likewise.
4176 * tree-vect-loop.c (vect_determine_vectorization_factor):
4177 Set STMT_VINFO_VECTYPE to the vector type of the def.
4178 (vectorizable_reduction): Adjust.
4179 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
4180 Adjust. Specify the output vector type.
4181 (vect_pattern_recog_1): Adjust.
4182 * tree-vect-stmts.c (get_same_sized_vectype): New function.
4183 (vectorizable_call): Adjust.
4184 (vectorizable_conversion): Likewise.
4185 (vectorizable_operation): Likewise.
4186 (vectorizable_type_demotion): Likewise.
4187 (vectorizable_type_promotion): Likewise.
4188 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
4190 (vect_is_simple_use_1): New function.
4191 (supportable_widening_operation): Get both input and output
4193 (supportable_narrowing_operation): Likewise.
4194 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
4196 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
4198 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
4199 __thiscall and _thiscall as predefined macros.
4200 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
4201 thiscall attribute handling.
4202 (ix86_comp_type_attributes): Likewise.
4203 (ix86_function_regparm): Likewise.
4204 (ix86_return_pops_args): Likewise.
4205 (init_cumulative_args): Likewise.
4206 (find_drap_reg): Likewise.
4207 (ix86_static_chain): Likewise.
4208 (x86_this_parameter): Likewise.
4209 (x86_output_mi_thunk): Likewise.
4210 (ix86_attribute_table): Add description for thiscall attribute.
4211 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
4212 * doc/extend.texi: Add documentation for thiscall.
4214 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4217 * c.opt (Wint-to-pointer-cast): Available in C++.
4218 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
4220 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
4222 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
4223 * calls.c (expand_call): Pass the function type to aggregate_value_p.
4224 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
4225 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
4226 function type instead. Reorder and simplify checks.
4228 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
4230 2010-04-08 Jing Yu <jingyu@google.com>
4231 Zdenek Dvorak <ook@ucw.cz>
4233 PR tree-optimization/42720
4234 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
4235 loop unswitch conditions here from ...
4236 (tree_unswitch_single_loop): ... here.
4238 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4240 * tree-if-conv.c: Fix comments and simplify logic.
4242 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4244 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
4245 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
4246 (main_tree_if_conversion): Update call to tree_if_conversion.
4248 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
4251 * doc/invoke.texi (-b,-V): Delete.
4252 * doc/tm.texi: Do not mention -b.
4253 * gcc.c (display_help): Delete -b and -V.
4254 (process_command): Delete -b and -V.
4255 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
4257 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
4258 Wolfgang Gellerich <gellerich@de.ibm.com>
4260 Implement target hook for loop unrolling
4261 * target.h (loop_unroll_adjust): Add a new target hook function.
4262 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
4263 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
4264 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
4265 (s390_loop_unroll_adjust): Implement the new target hook for s390.
4266 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
4268 (decide_unroll_stupid): Likewise.
4270 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4273 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
4275 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4277 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
4278 (Specific, *-*-solaris2*): Likewise.
4279 Don't prefer Sun as over GNU as.
4281 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
4283 * config/s390/s390.c (override_options): Adjust the z10 defaults
4284 for max-unroll-times, max-completely-peeled-insns
4285 and max-completely-peel-times.
4287 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4289 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
4290 instructions for z10.
4291 (s390_expand_setmem): Likewise.
4292 (s390_expand_cmpmem): Likewise.
4294 2010-04-08 Richard Guenther <rguenther@suse.de>
4296 PR tree-optimization/43679
4297 * tree-ssa-pre.c (eliminate): Only propagate copies.
4299 2010-04-08 Jakub Jelinek <jakub@redhat.com>
4302 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
4303 set but not used variable warning.
4305 2010-04-08 Wei Guozhi <carrot@google.com>
4308 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
4309 (arm_size_rtx_costs): Call the new function when optimized for size.
4311 2010-04-08 Jakub Jelinek <jakub@redhat.com>
4314 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
4315 op0 is not a MEM, just return NULL instead of assertion
4317 (discover_nonconstant_array_refs): Don't walk debug stmts.
4319 2010-04-08 Doug Kwan <dougkwan@google.com>
4321 * configure.ac: Recognize gold and do not use its version number
4322 to test ld features.
4323 * configure: Regenerate.
4325 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
4328 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
4329 (negate_value): Move code to push elements to broken_up_substracts ...
4330 (eliminate_plus_minus_pair): ... here. Push operands that have no
4331 negative pair to plus_negates.
4332 (repropagate_negates, init_reassoc, fini_reassoc): Update.
4334 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4336 * doc/install.texi (Configuration): Move description of
4337 --enable-lto, --with-libelf*, --enable-gold from Java section to
4340 * doc/generic.texi (Working with declarations)
4341 (Function Properties, C and C++ Trees): Fix typos.
4342 * doc/sourcebuild.texi (Top Level): Likewise.
4344 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4347 * tree.h (DECL_READ_P): Define.
4348 (struct tree_decl_common): Add decl_read_flag.
4349 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
4350 a set but not used warning.
4351 (merge_decls): Merge DECL_READ_P flag.
4352 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
4353 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
4354 * c-common.c (handle_used_attribute, handle_unused_attribute):
4356 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
4358 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
4360 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
4361 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
4362 c_parser_binary_expression, c_parser_cast_expression,
4363 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
4364 Call default_function_array_read_conversion instead of
4365 default_function_array_conversion where needed.
4366 (c_parser_unary_expression, c_parser_conditional_expression,
4367 c_parser_postfix_expression_after_primary, c_parser_initelt):
4368 Likewise. Call mark_exp_read where needed.
4369 (c_parser_statement_after_labels, c_parser_asm_operands,
4370 c_parser_typeof_specifier, c_parser_sizeof_expression,
4371 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
4373 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
4375 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
4376 (warn_unused_but_set_parameter): Default to warn_unused
4378 * doc/invoke.texi: Document -Wunused-but-set-variable and
4379 -Wunused-but-set-parameter.
4381 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
4382 used count variable.
4383 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
4384 when operandN variables aren't used in the body of the expander
4386 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
4387 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
4388 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
4389 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
4390 FOR_EACH_IMM_USE_ON_STMT): Likewise.
4391 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
4392 * tree.c (PROCESS_ARG): Likewise.
4394 2010-04-07 Simon Baldwin <simonb@google.com>
4396 * diagnostic.h (diagnostic_override_option_index): New macro to
4397 set a diagnostic's option_index.
4398 * c-tree.h (c_cpp_error): Add warning reason argument.
4399 * opts.c (_warning_as_error_callback): New.
4400 (register_warning_as_error_callback): Store callback for
4401 warnings enabled via enable_warning_as_error.
4402 (enable_warning_as_error): Call callback, minor code tidy.
4403 * opts.h (register_warning_as_error_callback): Declare.
4404 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
4405 response to -Werror=.
4406 (c_common_init_options): Register warning_as_error_callback in opts.c.
4407 * common.opt: Add -Wno-cpp option.
4408 * c-common.c (struct reason_option_codes_t): Map cpp warning
4409 reason codes to gcc option indexes.
4410 * (c_option_controlling_cpp_error): New function, lookup the gcc
4411 option index for a cpp warning reason code.
4412 * (c_cpp_error): Add warning reason argument, call
4413 c_option_controlling_cpp_error for diagnostic_override_option_index.
4414 * doc/invoke.texi: Document -Wno-cpp.
4416 2010-04-07 Richard Guenther <rguenther@suse.de>
4418 * ipa-reference.c (mark_load): Use get_base_address.
4419 (mark_store): Likewise.
4421 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
4422 inserting GIMPLE_NOPs into the IL.
4423 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4424 Explicitly strip handled components and indirect references.
4426 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
4427 folding address expressions.
4428 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
4429 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
4430 operand_equal_p to compare decls.
4431 (ptr_deref_may_alias_decl_p): Likewise.
4432 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
4433 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
4434 Handle reversed comparison ops.
4435 * tree-sra.c (asm_visit_addr): Use get_base_address.
4436 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
4437 * ipa-reference.c (mark_address): Use get_base_address.
4439 2010-04-07 Richard Guenther <rguenther@suse.de>
4441 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
4442 Propagate constants everywhere.
4444 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4447 * tree.c (MAX_INT_CACHED_PREC): Define.
4448 (nonstandard_integer_type_cache): New array.
4449 (build_nonstandard_integer_type): Cache results for precision
4450 <= MAX_INT_CACHED_PREC.
4452 2010-04-07 Richard Guenther <rguenther@suse.de>
4454 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
4455 -fargument-noalias-global, -fargument-noalias-anything): Remove.
4456 * common.opt: Likewise.
4457 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
4458 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
4459 (nonoverlapping_memrefs_p): Likewise.
4460 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4461 * opts.c (common_handle_option): Handle OPT_fargument_alias,
4462 OPT_fargument_noalias, OPT_fargument_noalias_anything and
4463 OPT_fargument_noalias_global for backward compatibility.
4465 2010-04-07 Richard Guenther <rguenther@suse.de>
4467 PR tree-optimization/43270
4468 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
4469 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
4470 * tree-ssa-pre.c (phi_translate_1): Adjust.
4471 (fully_constant_expression): Split out vn_reference handling to ...
4472 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
4473 Fold reads from constant strings.
4474 (vn_reference_lookup): Handle fully constant references.
4475 (vn_reference_lookup_pieces): Likewise.
4476 * Makefile.in (expmed.o-warn): Add -Wno-error.
4478 2010-04-07 Martin Jambor <mjambor@suse.cz>
4480 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
4482 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
4485 * gcc.c: Add -static-libstdc++ to list of recognized options.
4487 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4489 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
4491 2010-04-07 Richard Guenther <rguenther@suse.de>
4494 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
4495 bases build simple mem attributes to retain points-to information.
4497 2010-04-07 Richard Guenther <rguenther@suse.de>
4500 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
4501 preserve points-to related information.
4503 2010-04-07 Richard Guenther <rguenther@suse.de>
4506 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
4507 discard plain indirect references.
4508 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
4509 * tree.c (tree_nop_conversion): Likewise.
4511 2010-04-07 Dodji Seketeli <dodji@redhat.com>
4514 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
4516 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
4518 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
4519 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
4521 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4523 * tree-if-conv.c: Fix indentation and comments.
4525 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4527 * tree-if-conv.c: Sort static functions in topological order.
4529 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4531 * tree-if-conv.c: Fix indentation and comments.
4533 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4536 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
4537 lang_hooks.types.type_for_size instead of
4538 build_nonstandard_integer_type.
4539 When converting an unsigned type to signed, double its precision.
4540 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
4541 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
4542 (graphite_create_new_loop_guard): When ub + 1 wraps around,
4545 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4548 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
4549 POINTER_PLUS_EXPR for pointer types.
4551 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4554 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
4555 * graphite-clast-to-gimple.c: Include langhooks.h.
4556 (max_signed_precision_type): New.
4557 (max_precision_type): Takes two types as arguments.
4558 (precision_for_value): New.
4559 (precision_for_interval): New.
4560 (gcc_type_for_interval): New.
4561 (gcc_type_for_value): New.
4562 (gcc_type_for_clast_term): New.
4563 (gcc_type_for_clast_red): New.
4564 (gcc_type_for_clast_bin): New.
4565 (gcc_type_for_clast_expr): Split up into several functions.
4566 (gcc_type_for_clast_eq): Rewritten.
4567 (compute_bounds_for_level): New.
4568 (compute_type_for_level_1): New.
4569 (compute_type_for_level): New.
4570 (gcc_type_for_cloog_iv): Removed.
4571 (gcc_type_for_iv_of_clast_loop): Rewritten.
4572 (graphite_create_new_loop): Compute the lower and upper bound types
4573 with gcc_type_for_clast_expr.
4574 (graphite_create_new_loop_guard): Same.
4575 (find_cloog_iv_in_expr): Removed.
4576 (compute_cloog_iv_types_1): Removed.
4577 (compute_cloog_iv_types): Removed.
4578 (gloog): Do not call compute_cloog_iv_types.
4579 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
4581 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
4582 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
4583 (GBB_CLOOG_IV_TYPES): Removed.
4585 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4587 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
4588 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
4589 (detect_commutative_reduction): Same.
4591 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4593 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
4594 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
4596 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
4597 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
4598 (rewrite_commutative_reductions_out_of_ssa): Same.
4599 * passes.c (execute_function_todo): Call verify_ssa for every pass
4600 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
4601 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
4602 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
4603 with an extra argument.
4604 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
4605 verify_ssa only when the extra argument is true.
4606 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
4607 with an extra argument.
4608 (tree_transform_and_unroll_loop): Same.
4610 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4612 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
4613 for all the passes of the LNO having LOOP_CLOSED_SSA.
4614 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
4615 * tree-loop-distribution.c (pass_loop_distribution): Same.
4616 * tree-pass.h (TODO_verify_loops): Removed.
4617 * tree-ssa-loop.c (pass_tree_loop_init): Same.
4619 (pass_tree_unswitch): Same.
4620 (pass_predcom): Same.
4621 (pass_vectorize): Same.
4622 (pass_linear_transform): Same.
4623 (pass_graphite_transforms): Same.
4624 (pass_iv_canon): Same.
4625 (pass_complete_unroll): Same.
4626 (pass_complete_unrolli): Same.
4627 (pass_parallelize_loops): Same.
4628 (pass_loop_prefetch): Same.
4629 (pass_iv_optimize): Same.
4631 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
4634 * passes.c (init_optimization_passes): Move pass_lim before
4635 pass_copy_prop and pass_dce_loop.
4637 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4640 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
4641 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
4642 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
4643 MULTI_* defines for 4 argument vpermil2p* builtins.
4645 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4647 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
4648 * config/i386/i386.c (x86_maybe_negate_const_int): New.
4649 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
4650 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
4651 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
4652 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
4653 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
4654 Use x86_maybe_negate_const_int to output insn mnemonic.
4655 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
4656 check from instruction predicate. Update comments.
4657 * config/i386/sync.md (sync_add<mode>): Use
4658 x86_maybe_negate_const_int to output insn mnemonic.
4660 2010-04-06 Jan Hubicka <jh@suse.cz>
4662 PR tree-optimization/42906
4663 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
4664 IGNORE_SELF argument. Set visited_control_parents for fully
4666 (find_obviously_necessary_stmts): Update call of
4667 mark_control_dependent_edges_necessary.
4668 (propagate_necessity): Likewise. Handle PHI edges more curefully.
4670 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4672 * config/i386/i386.md: Remove comment about 'e' and 'E'
4675 2010-04-06 Richard Guenther <rguenther@suse.de>
4677 PR tree-optimization/43627
4678 * tree-vrp.c (extract_range_from_unary_expr): Widenings
4679 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
4682 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4684 * BASE-VER: Change to 4.6.0.
4687 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
4690 2010-04-06 Richard Guenther <rguenther@suse.de>
4693 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4695 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4697 * doc/invoke.texi (Optimize Options): Document that LTO
4698 won't remove object access purely due to incompatible
4701 2010-04-04 Matthias Klose <doko@ubuntu.com>
4703 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4704 Initialize variable.
4706 2010-04-03 Richard Guenther <rguenther@suse.de>
4709 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
4710 require a non-NULL MEM_OFFSET.
4712 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
4714 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
4715 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
4716 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
4717 config/alpha/predicates.md, config/arm/arm.md,
4718 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
4719 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
4720 config/darwin9.h, config/darwin.c, config/darwin.h,
4721 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
4722 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
4723 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
4724 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
4725 config/mips/mips.md, config/mn10300/mn10300.c,
4726 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
4727 config/rs6000/aix.h, config/rs6000/dfp.md,
4728 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
4729 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
4730 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
4731 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
4732 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
4733 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
4734 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
4735 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
4736 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
4737 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
4738 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
4739 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
4740 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
4741 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
4742 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
4743 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
4744 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
4745 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
4746 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
4747 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
4748 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
4749 opt-functions.awk, opth-gen.awk, params.def, passes.c,
4750 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
4751 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
4752 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
4753 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
4754 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
4755 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
4756 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
4757 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
4758 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
4759 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
4760 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
4761 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
4762 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
4763 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
4765 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4768 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
4769 * aclocal.m4: Regenerate.
4771 2010-04-02 Richard Guenther <rguenther@suse.de>
4773 PR tree-optimization/43629
4774 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
4775 if we have seen a constant value.
4777 2010-04-02 Joseph Myers <joseph@codesourcery.com>
4779 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
4781 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
4784 * arm.c (legitimize_tls_address): Adjust call to
4785 gen_tls_load_dot_plus_four.
4786 (arm_note_pic_base): New function.
4787 (arm_cannot_copy_insn_p): Use it.
4788 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
4791 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4796 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4798 * Makefile.in ($(out_object_file)): Depend on
4799 gt-$(basename $(notdir $(out_file))).h.
4801 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
4803 * config.gcc (lm32-*-rtems*): Add t-lm32.
4805 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
4807 * config.gcc: Add lm32-*-rtems*.
4808 * config/lm32/rtems.h: New file.
4810 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
4813 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
4815 2010-04-01 Jakub Jelinek <jakub@redhat.com>
4817 * dwarf2out.c (output_compilation_unit_header): For
4818 -gdwarf-4 use version 4 instead of version 3.
4819 (output_line_info): For version 4 and above emit additional
4820 maximum ops per insn header field.
4821 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
4823 * dwarf2out.c (is_c_family, is_java): Remove.
4824 (lower_bound_default): New function.
4825 (add_bound_info, gen_descr_array_type_die): Use it.
4827 2010-04-01 Dodji Seketeli <dodji@redhat.com>
4830 * dwarf2out.c (gen_variable_die): Allow debug info for variable
4831 re-declaration when it happens in a function.
4833 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
4835 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
4836 (cgraph_remove_function_insertion_hook): Same.
4837 (cgraph_call_function_insertion_hooks): Same.
4839 2010-04-01 Richard Guenther <rguenther@suse.de>
4842 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
4843 and TREE_THIS_VOLATILE.
4844 (copy_ref_info): Likewise.
4845 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
4846 * tree.c (build6_stat): Ignore side-effects of all but arg5
4847 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
4850 2010-04-01 Richard Guenther <rguenther@suse.de>
4852 PR tree-optimization/43607
4853 * ipa-type-escape.c (check_call): Do not access non-existing
4856 2010-04-01 Richard Guenther <rguenther@suse.de>
4860 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4861 Jack Howarth <howarth@bromo.med.uc.edu>
4863 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4866 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4868 * doc/install.texi (Prerequisites): Document libelf usability on
4869 IRIX 5/6 and Solaris 2.
4870 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
4871 Update GNU as, GNU ld requirements.
4872 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
4873 Document Sun Studio compiler download.
4874 Update and simplify as, ld recommendations.
4875 (Specific, *-*-solaris2.7): Note obsoletion, removal.
4877 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4879 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
4880 with_tune_32 to pentium4.
4882 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
4884 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
4886 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4888 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
4889 obsoletion, removal.
4891 Document GNU as requirement.
4892 Update configure requirements.
4893 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
4894 Recomment IRIX 6.5.18+.
4895 Document IDF/IDL requirement.
4896 Document GNU as requirement.
4897 Document GNU ld bootstrap failure.
4898 Remove freeware.sgi.com reference.
4900 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4902 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
4903 UNIX V4.0, V5.0 obsoletion, removal.
4904 Remove --with-gc=simple reference.
4905 Update VM requirements during bootstrap.
4906 Remove -oldas bootstrap description.
4907 Update binutils reference.
4908 Remove comparison failure note.
4910 2010-03-31 Richard Guenther <rguenther@suse.de>
4911 Zdenek Dvorak <ook@ucw.cz>
4912 Sebastian Pop <sebastian.pop@amd.com>
4915 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
4916 with multiple arguments.
4917 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
4919 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4921 * graphite-dependences.c (print_pddr): Call print_pdr with an
4923 * graphite-poly.c (debug_pdr): Add an extra argument for the
4926 (print_pbb_domain): Same.
4928 (print_scop_context): Same.
4930 (print_cloog): Same.
4931 (debug_pbb_domain): Same.
4935 (debug_scop_context): Same.
4937 (debug_cloog): Same.
4938 (print_scop_params): Same.
4939 (debug_scop_params): Same.
4940 (print_iteration_domain): Same.
4941 (print_iteration_domains): Same.
4942 (debug_iteration_domain): Same.
4943 (debug_iteration_domains): Same.
4944 (print_scattering_function): Same.
4945 (print_scattering_functions): Same.
4946 (debug_scattering_function): Same.
4947 (debug_scattering_functions): Same.
4948 * graphite-poly.h (debug_pdr): Update declaration.
4950 (print_pbb_domain): Same.
4952 (print_scop_context): Same.
4954 (print_cloog): Same.
4955 (debug_pbb_domain): Same.
4959 (debug_scop_context): Same.
4961 (debug_cloog): Same.
4962 (print_scop_params): Same.
4963 (debug_scop_params): Same.
4964 (print_iteration_domain): Same.
4965 (print_iteration_domains): Same.
4966 (debug_iteration_domain): Same.
4967 (debug_iteration_domains): Same.
4968 (print_scattering_function): Same.
4969 (print_scattering_functions): Same.
4970 (debug_scattering_function): Same.
4971 (debug_scattering_functions): Same.
4973 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4975 * graphite-poly.c (print_scattering_function_1): New.
4976 (print_scattering_function): Call it.
4977 (print_scop_params): Remove spaces at the end of lines.
4980 * graphite-poly.h (print_cloog): Declared.
4981 (debug_cloog): Declared.
4983 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4985 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4987 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4988 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4989 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4990 to switch between adding the IV bump in loop->latch or in loop->header.
4992 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4994 * graphite-poly.c (print_scattering_function): Pretty print following
4997 (print_pbb_domain): Same.
4998 (dump_gbb_cases): Same.
4999 (dump_gbb_conditions): Same.
5002 (print_scop_params): Same.
5003 (print_scop_context): Same.
5005 (print_pbb_body): New.
5006 (lst_indent_to): New.
5007 (print_lst): Start new lines with a #.
5008 * graphite-poly.h (pbb_bb): New.
5009 (pbb_index): Use pbb_bb.
5010 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
5012 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
5014 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5016 * dwarf2out.c (size_of_die): For -gdwarf-4 use
5017 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
5018 and 0 instead of 1 for dw_val_class_flag.
5019 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
5020 dw_val_class_range_list, dw_val_class_loc_list,
5021 dw_val_class_lineptr and dw_val_class_macptr, use
5022 DW_FORM_flag_present for dw_val_class_flag and
5023 DW_FORM_exprloc for dw_val_class_loc.
5024 (output_die): For -gdwarf-4 print dw_val_class_loc
5025 size as uleb128 instead of 1 or 2 bytes and don't print
5026 anything for dw_val_class_flag.
5028 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
5029 instead of cselib_lookup following by tweaking locs->setting_insn.
5032 * cselib.c (cselib_process_insn): Clear cselib_current_insn
5033 even before returning from label, setjmp call or volatile asm
5036 2010-03-31 Richard Guenther <rguenther@suse.de>
5039 * cgraphunit.c (cgraph_output_in_order): Do not allocate
5040 temporary data on stack.
5042 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5044 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
5045 (PUSHSECTION_ASM_OP): Remove.
5046 (POPSECTION_ASM_OP): Remove.
5047 (PUSHSECTION_FORMAT): Remove.
5048 * config/sol2.h (PUSHSECTION_FORMAT): Define.
5049 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
5050 * config/sol2.c (solaris_output_init_fini): Use it.
5052 2010-03-31 Jie Zhang <jie@codesourcery.com>
5055 * opt-functions.awk (var_type_struct): Use signed char type
5056 for simple variables.
5058 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5060 * config/sol2.c: Include output.h.
5061 (solaris_assemble_visibility): New function.
5062 * config/t-sol2 (sol2.o): Add output.h dependency.
5063 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
5064 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
5067 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5070 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
5071 V2SImode or XFmode on PRE_DEC.
5074 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
5077 2010-03-31 Jie Zhang <jie@codesourcery.com>
5080 * reload.h (caller_save_initialized_p): Declare.
5081 * toplev.c (backend_init_target): Don't call
5082 init_caller_save but set caller_save_initialized_p to false.
5083 * caller-save.c (caller_save_initialized_p): Define.
5084 (init_caller_save): Check caller_save_initialized_p.
5085 * ira.c (ira): Call init_caller_save if flag_caller_saves.
5087 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5090 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
5091 and soft-fp/t-softfp to tmake_file.
5092 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
5093 (LIBGCC2_TF_CEXT): Define.
5096 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
5099 * cselib.c (n_useless_values): Document handling of debug locs.
5100 (n_useless_debug_values, n_debug_values): New variables.
5101 (new_elt_loc_list): Don't add to debug values, keep count.
5102 (promote_debug_loc): New.
5103 (cselib_reset_table): Zero new variables.
5104 (entry_and_rtx_equal_p): Promote debug locs.
5105 (discard_useless_locs): Increment n_useless_debug_values for
5107 (remove_useless_values): Adjust n_useless_values and n_debug_values
5108 with n_useless_debug_values.
5109 (add_mem_for_addr): Promote debug locs.
5110 (cselib_lookup_mem): Likewise.
5111 (cselib_lookup_addr): Renamed to...
5112 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
5113 (cselib_log_lookup): ... this. Turn into...
5114 (cselib_lookup_addr): ... new wrapper.
5115 (cselib_lookup_from_insn): New.
5116 (cselib_invalidate_regno): Increment n_useless_debug_values for
5118 (cselib_invalidate_mem): Likewise.
5119 (cselib_process_insn): Take n_deleted and n_debug_values into
5120 account to guard remove_useless_value call.
5121 (cselib_finish): Zero n_useless_debug_values.
5122 * cselib.h (cselib_lookup_from_insn): Declare.
5123 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
5124 (sched_analyze_2): Likewise.
5126 2010-03-30 Jakub Jelinek <jakub@redhat.com>
5128 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
5130 (adjust_mems): Replace narrowing SUBREG of expression containing
5131 just PLUS, MINUS, MULT and ASHIFT of registers and constants
5132 with operations in the narrower mode.
5135 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
5136 regs_invalidated_by_call instead all call_used_reg_set registers.
5138 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
5141 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
5142 pointer comparisons with types_compatible_p.
5143 * tree-vect-stmts.c (vectorizable_call): Same.
5144 (vectorizable_condition): Same.
5146 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5148 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
5149 stack check if the mask would be zero.
5151 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5152 Jack Howarth <howarth@bromo.med.uc.edu>
5154 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5157 2010-03-30 Joseph Myers <joseph@codesourcery.com>
5160 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
5162 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
5163 Include ___unordxf2 and ___unordtf2.
5164 * config/i386/libgcc-glibc.ver: Do not define inheritance from
5167 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
5169 * config/lm32/t-lm32: New file.
5170 * config.gcc: Use the above file when targetting lm32.
5172 2010-03-28 Duncan Sands <baldrick@free.fr>
5174 * Makefile.in (PLUGIN_HEADERS): Add except.h.
5176 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5179 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
5180 Improve vectorization cost model diagnostic.
5182 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5185 * tree-vect-data-refs.c (vect_analyze_data_refs): When
5186 compute_data_dependences_for_loop returns false, early exit
5187 and output an extra diagnostic for the failed data reference
5190 2010-03-29 Richard Guenther <rguenther@suse.de>
5192 PR tree-optimization/43560
5193 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
5194 (can_sm_ref_p): Treat stores to readonly locations as trapping.
5196 2010-03-29 Jie Zhang <jie@codesourcery.com>
5199 * toplev.c (process_options): Set optimization_default_node
5200 and optimization_current_node.
5201 * opts.c (decode_options): Don't set optimization_default_node
5202 and optimization_current_node.
5204 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
5206 * config/rtems.h: Abandon -qrtems_debug.
5208 2010-03-28 Jan Hubicka <jh@suse.cz>
5210 PR tree-optimization/43505
5211 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
5212 map should not be copied.
5214 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5217 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
5218 cdtors, set DECL_PRESERVE_P.
5219 * ipa.c (cgraph_externally_visible_p): Return true if declaration
5222 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
5224 PR tree-optimization/43528
5225 * stor-layout.c (place_field): Check that constant fits into
5226 unsigned HWI when skipping calculation of MS bitfield layout.
5228 2010-03-27 Jan Hubicka <jh@suse.cz>
5231 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
5232 notice_global_symbol work.
5234 2010-03-27 Jakub Jelinek <jakub@redhat.com>
5236 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
5237 instead of dwarf2out_decl.
5238 (struct var_loc_node): Remove section_label field.
5239 (dwarf2out_function_decl): New function.
5240 (dwarf2out_var_location): Don't set section_label field.
5241 (dwarf2out_begin_function): Don't empty decl_loc_table here.
5243 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
5245 PR tree-optimization/43544
5246 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5247 First argument for builtin vectorized function hook is now a
5248 tree to be able to distinguish between machine specific and
5250 * targhooks.c (default_builtin_vectorized_function): Ditto.
5251 * targhooks.h (default_builtin_vectorized_function): Ditto.
5252 * target.h (struct gcc_target): Ditto.
5253 * tree-vect-stmts.c (vectorizable_function): Ditto.
5254 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
5255 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
5258 2010-03-26 Joseph Myers <joseph@codesourcery.com>
5261 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
5262 nested binding iff it is a FUNCTION_DECL.
5263 (store_parm_decls_newstyle): Pass nested=true to bind for
5264 FUNCTION_DECLs amongst parameters.
5266 2010-03-26 Jakub Jelinek <jakub@redhat.com>
5268 * var-tracking.c (vt_expand_loc_callback): Don't run
5269 cselib_expand_value_rtx_cb in dummy mode if
5270 cselib_dummy_expand_value_rtx_cb returned false.
5272 * var-tracking.c (emit_note_insn_var_location): For one part
5273 notes with offset 0, don't add EXPR_LIST around the location.
5274 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
5275 add_location_or_const_value_attribute): Adjust for that change.
5278 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
5279 into first operand and location into second.
5280 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
5281 dw_cfi_oprnd_loc for DW_CFA_expression.
5282 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
5283 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
5284 assume first argument is regnum and second argument is location.
5286 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
5289 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
5290 of scratch register to DImode. Split to DImode comparison operator.
5291 Use SImode subreg of scratch register in the multiplication.
5292 (*cmp_sadd_sidi): Ditto.
5293 (*cmp_ssub_si): Ditto.
5294 (*cmp_ssub_sidi): Ditto.
5296 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
5299 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
5300 Remove invalid assert and wrong comment.
5302 2010-03-26 Jakub Jelinek <jakub@redhat.com>
5305 * flags.h (final_insns_dump_p): New extern.
5306 * final.c (final_insns_dump_p): New variable.
5307 (rest_of_clean_state): Set it before -fdump-final-insns=
5308 dumping, clear afterwards.
5309 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
5310 MEM_ALIAS_SET on MEMs.
5312 2010-03-26 David S. Miller <davem@davemloft.net>
5314 * configure.ac: Fix sparc GOTDATA_OP bug check.
5315 * configure: Rebuild.
5317 2010-03-26 Alan Modra <amodra@gmail.com>
5319 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
5321 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5323 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
5324 TLS_SECTION_ASM_FLAG.
5326 2010-03-25 Jakub Jelinek <jakub@redhat.com>
5329 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
5330 Clear first_function_block_is_cold.
5333 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
5334 argument if the argument is truth_value_p.
5336 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
5338 * config/rs6000/constraints.md: Update copyright year for my changes.
5341 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
5342 used in reg+reg addressing, swap registers.
5344 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5347 * target.h (struct gcc_target): Add code_end hook.
5348 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
5350 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
5351 * toplev.c (compile_file): Call targetm.asm_out.code_end
5352 hook before unwind info/debug info output.
5353 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
5354 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
5355 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5356 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
5357 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5358 * config/i386/i386.c (ix86_file_end): Renamed to...
5359 (ix86_code_end): ... this. Make static. Don't call
5360 file_end_indicate_exec_stack. Emit unwind info using
5361 final_start_function/final_end_function.
5362 (darwin_x86_file_end): Remove.
5363 (TARGET_ASM_CODE_END): Define.
5364 * config/i386/i386.h (TARGET_ASM_FILE_END,
5365 NEED_INDICATE_EXEC_STACK): Don't define.
5366 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
5367 (TARGET_ASM_FILE_END): Define to darwin_file_end.
5368 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
5369 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
5372 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
5373 at the beginning and final_end_function at the end.
5374 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
5376 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5378 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
5379 and Sun as TLS syntax.
5380 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
5381 * configure: Regenerate.
5382 * config.in: Regenerate.
5383 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
5384 (default_elf_asm_named_section): Use it.
5385 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
5386 (i386_output_dwarf_dtprel): Likewise.
5387 (output_addr_const_extra): Likewise.
5388 (output_pic_addr_const): Lowercase @GOTTPOFF.
5389 (output_addr_const_extra): Likewise.
5390 (output_pic_addr_const): Lowercase @GOTNTPOFF.
5391 (output_addr_const_extra): Likewise.
5392 (output_pic_addr_const): Lowercase @INDNTPOFF.
5393 (output_addr_const_extra): Likewise.
5394 (output_pic_addr_const): Lowercase @NTPOFF.
5395 (output_addr_const_extra): Likewise.
5396 (output_pic_addr_const): Lowercase @TPOFF.
5397 (output_addr_const_extra): Likewise.
5398 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
5399 (*tls_global_dynamic_64): Likewise.
5400 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
5401 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
5403 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
5404 (ASM_OUTPUT_TLS_COMMON): Use it.
5405 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
5408 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
5409 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
5410 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
5411 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
5412 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5413 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
5415 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5417 * config/i386/i386.c (override_options): Don't accept
5418 -mtls-dialect=sun any longer.
5419 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
5420 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
5421 (*tls_local_dynamic_base_32_sun): Likewise.
5422 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5424 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5427 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5428 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
5431 * ira.c (adjust_cleared_regs): New function.
5432 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
5436 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
5438 * expr.c (expand_expr_real): Restore previous
5439 curr_insn_source_location and curr_insn_block after
5440 expand_expr_real_1 call.
5441 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
5442 instead of expand_expr_real_1.
5444 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
5446 PR rtl-optimization/43413
5447 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
5450 2010-03-22 James E. Wilson <wilson@codesourcery.com>
5453 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
5454 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
5456 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
5458 * config/i386/i386.c (ix86_target_string): Add -mfma.
5459 Fix a typo in comment.
5461 2010-03-22 Mike Stump <mikestump@comcast.net>
5464 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5465 Don't overly align based upon packed packed fields.
5467 2010-03-22 Jason Merrill <jason@redhat.com>
5469 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
5470 Use () rather than [], and move before the element type.
5472 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5474 * doc/configfiles.texi (Configuration Files): Removed
5475 fixinc/Makefile*, intl/Makefile.*.
5476 * doc/makefile.texi: Fixed markup. Abstract from version
5477 control system used.
5478 (Makefile): Removed obsolete gcc/java/parse.y example.
5479 * doc/sourcebuild.texi: Likewise.
5480 (Top Level): Added config, gnattools, libdecnumber, libgcc,
5481 libgomp, libssp. Removed fastjar.
5482 (Miscellaneous Docs): Clarify location.
5483 Added COPYING3, COPYING3.LIB.
5484 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
5486 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5489 * config/i386/i386.c (x86_function_profiler)
5490 [!NO_PROFILE_COUNTERS]: Fix typo.
5491 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
5494 2010-03-22 Janis Johnson <janis187@us.ibm.com>
5495 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5497 * doc/sourcebuild.texi (Test Directives): Split into six
5498 subsections, with most of the current text in new subsections
5499 Directives, Selectors, and Final Actions.
5500 (Directives): Split list of test directives into multiple
5502 (Selectors): Describe use and syntax of selectors.
5503 (Effective-Target Keywords): Describe all existing keywords.
5504 (Add Options): Describe features for dg-add-options.
5505 (Require Support): Describe variants of dg-require-support.
5506 (Final Actions): Describe commands to use in dg-final.
5508 2010-03-22 Michael Matz <matz@suse.de>
5511 * recog.c (validate_replace_rtx_group): Replace also in
5512 REG_EQUAL and REG_EQUIV notes.
5514 2010-03-22 Richard Guenther <rguenther@suse.de>
5516 PR tree-optimization/43390
5517 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
5518 sure vector extracts are type correct.
5520 2010-03-22 Richard Guenther <rguenther@suse.de>
5523 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
5524 x * sqrt (x) even when optimizing for size if the target
5525 has native support for sqrt.
5527 2010-03-22 Jakub Jelinek <jakub@redhat.com>
5529 * varasm.c (make_decl_rtl_for_debug): Also clear
5530 flag_mudflap for the duration of make_decl_rtl call.
5533 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
5534 locs from preserved VALUEs.
5536 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5539 * pa.md (movmemsi): Set align to one if zero.
5540 (movmemdi): Likewise.
5542 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
5545 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
5546 with their corresponding prologue pushes.
5548 2010-03-20 Andrew Pinski <pinskia@gmail.com>
5551 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
5552 at the begining or end.
5553 (spu_expand_epilogue): Likewise.
5555 2010-03-20 Richard Guenther <rguenther@suse.de>
5557 PR rtl-optimization/43438
5558 * combine.c (make_extraction): Properly zero-/sign-extend an
5559 extraction of the low part of a CONST_INT. Also handle
5562 2010-03-19 Mike Stump <mikestump@comcast.net>
5564 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
5565 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
5566 (override_options): Use SUBTARGET32_DEFAULT_CPU.
5568 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5571 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
5574 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
5576 PR rtl-optimization/42258
5577 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
5578 use that may match DEF.
5581 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
5582 the cost of loading the constant rather than assuming
5584 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
5585 outer code is AND, do the same tests as the andsi3 expander and
5586 return COSTS_N_INSNS (1) if and is cheap.
5588 * optabs.c (avoid_expensive_constant): Fix formatting.
5590 2010-03-19 Michael Matz <matz@suse.de>
5593 * attribs.c (decl_attributes): When rebuilding a function pointer
5594 type use the same qualifiers as the original pointer type.
5596 2010-03-19 Martin Jambor <mjambor@suse.cz>
5598 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
5599 and is_gimple_ip_invariant_address.
5601 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5604 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5606 * config/arm/arm.c (arm_override_options): Turn off
5607 flag_dwarf2_cfi_asm for AAPCS variants.
5609 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5612 * config/arm/arm.c (emit_multi_reg_push): Update comments.
5613 Use PRE_MODIFY instead of PRE_DEC.
5614 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
5615 (vfp_emit_fstmd): Likewise.
5617 2010-03-19 Michael Matz <matz@suse.de>
5620 * builtins.c (expand_builtin_interclass_mathfn,
5621 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
5624 2010-03-19 Richard Guenther <rguenther@suse.de>
5626 PR tree-optimization/43415
5627 * tree-ssa-pre.c (phi_translate): Split out worker to ...
5628 (phi_translate_1): ... this.
5629 (phi_translate): Move all caching here. Cache all NARY
5630 and REFERENCE translations.
5632 2010-03-19 David S. Miller <davem@davemloft.net>
5634 With help from Eric Botcazou.
5635 * config/sparc/sparc.c: Include dwarf2out.h.
5636 (emit_pic_helper): Delete.
5637 (pic_helper_symbol_name): Delete.
5638 (pic_helper_emitted_p): Delete.
5639 (pic_helper_needed): New.
5640 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
5641 (get_pc_thunk_name): New.
5642 (load_pic_register): Remove 'delay_pic_helper' arg. Use
5643 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
5644 Set pic_helper_needed to true. Don't call emit_pic_helper.
5645 (sparc_expand_prologue): Update load_pic_register call.
5646 (sparc_output_mi_thunk): Likewise.
5647 (sparc_file_end): Emit a hidden comdat symbol for the PIC
5648 thunk if possible. Output CFI information as needed.
5650 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5651 Jack Howarth <howarth@bromo.med.uc.edu>
5654 * config/i386/i386.h: Fix ABI on darwin x86-32.
5656 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
5658 * tree.h: Declare make_decl_rtl_for_debug.
5659 * varasm.c (make_decl_rtl_for_debug): New.
5660 * dwarf2out.c (rtl_for_decl_location): Call it.
5661 * cfgexpand.c (expand_debug_expr): Call it.
5663 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5666 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
5670 * var-tracking.c (vt_init_cfa_base): Do nothing if
5671 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
5673 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
5676 * var-tracking.c (canonicalize_vars_star): New.
5677 (dataflow_post_merge_adjust): Use it.
5679 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5682 * var-tracking.c (non_suitable_const): New function.
5683 (add_uses): For DEBUG_INSNs with constants, don't record any
5684 value, instead just the constant value itself.
5685 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
5686 is not VAR_LOC_UNKNOWN_P, set var to the constant.
5687 (emit_notes_in_bb): Likewise.
5688 (emit_note_insn_var_location): For onepart variables if
5689 cur_loc is a VOIDmode constant, use DECL_MODE.
5691 2010-03-18 Martin Jambor <mjambor@suse.cz>
5694 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
5695 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
5696 all non-clones. Moved call redirection...
5697 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
5698 (cgraph_materialize_all_clones): Dispose of all
5699 combined_args_to_skip bitmaps.
5700 (verify_cgraph_node): Do not check for edges pointing to wrong
5701 nodes in inline clones.
5702 * tree-inline.c (copy_bb): Call
5703 cgraph_redirect_edge_call_stmt_to_callee.
5704 * ipa.c (cgraph_remove_unreachable_nodes): Call
5705 cgraph_node_remove_callees even when there are used clones.
5707 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5709 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
5711 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5714 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
5717 2010-03-18 Michael Matz <matz@suse.de>
5720 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
5721 into sqrt(x) if we need to preserve signed zeros.
5723 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
5724 Eric Botcazou <ebotcazou@adacore.com>
5726 PR rtl-optimization/43360
5727 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
5728 note if we don't know its invariant status.
5730 2010-03-18 Michael Matz <matz@suse.de>
5732 PR tree-optimization/43402
5733 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
5734 PHI chains of ssa names registered for update.
5736 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
5739 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
5740 non-offsettable and pre_modify update addressing.
5741 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
5742 and "2" alternatives "#".
5743 (*movdd_softfloat32): Make all alternatives "#";
5744 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
5745 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
5746 (*movdf_softfloat32): Make all alternatives "#";
5747 (movdi): Use the new DIFD mode iterator to create a common splitter
5748 for movdi, movdf and movdd patterns.
5750 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
5752 * common.opt (dumpdir): Remove redundant tab.
5754 2010-03-17 Martin Jambor <mjambor@suse.cz>
5756 PR tree-optimization/43347
5757 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
5758 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
5760 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
5762 PR rtl-optimization/42216
5763 * regrename.c (create_new_chain): New function, broken out from...
5764 (scan_rtx_reg): ... here. Call it. Handle the case where we are
5765 appending a use to an empty chain.
5766 (build_def_use): Remove previous changes that convert OP_INOUT to
5767 OP_OUT operands; instead detect the case where an OP_INOUT operand
5768 uses a previously untracked register and create an empty chain for it.
5770 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5772 * doc/extend.texi (Function Attributes): Rewrite unfinished
5773 sentence in ms_abi documentation.
5775 2010-03-17 Alan Modra <amodra@gmail.com>
5777 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
5778 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
5779 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
5780 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
5782 2010-03-16 Richard Henderson <rth@redhat.com>
5785 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
5786 (lower_try_finally): Save and restore eh_seq around the expansion
5789 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5791 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
5792 statements before splitting block.
5794 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5796 * doc/sourcebuild.texi (Testsuites): Fix markup.
5797 Use pathnames relative to gcc/testsuite.
5798 (Test Directives): Move description of how timeout is determined.
5799 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
5800 (C Tests): Correct gcc.misc-tests directory.
5801 Framework tests now live in gcc.test-framework.
5803 2010-03-16 Richard Guenther <rguenther@suse.de>
5806 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
5807 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
5809 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5810 Alexandre Oliva <aoliva@redhat.com>
5812 PR tree-optimization/42917
5813 * lambda-code.c (remove_iv): Skip debug statements.
5814 (lambda_loopnest_to_gcc_loopnest): Likewise.
5815 (not_interesting_stmt): Debug statements are not interesting.
5817 2010-03-16 Jakub Jelinek <jakub@redhat.com>
5821 * cselib.c (cselib_preserve_constants,
5822 cfa_base_preserved_val): New static variables.
5823 (preserve_only_constants): New function.
5824 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
5825 clear its REG_VALUES. If cselib_preserve_constants, don't
5826 empty the whole hash table, but preserve there VALUEs with constants,
5827 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
5828 (cselib_preserve_cfa_base_value): New function.
5829 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
5830 (cselib_init): Change argument to int bitfield. Set
5831 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
5833 (cselib_finish): Clear cselib_preserve_constants and
5834 cfa_base_preserved_val.
5835 * cselib.h (enum cselib_record_what): New enum.
5836 (cselib_init): Change argument to int.
5837 (cselib_preserve_cfa_base_value): New prototype.
5838 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
5839 * dse.c (dse_step1): Likewise.
5840 * cfgcleanup.c (thread_jump): Likewise.
5841 * sched-deps.c (sched_analyze): Likewise.
5842 * gcse.c (local_cprop_pass): Likewise.
5843 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
5844 If FN is non-NULL, call the callback always and whenever it returns
5845 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
5846 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
5847 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
5848 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
5849 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
5850 * var-tracking.c: Include recog.h.
5851 (bb_stack_adjust_offset): Remove.
5852 (vt_stack_adjustments): Don't call it, instead just gather the
5853 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
5854 (adjust_stack_reference): Remove.
5855 (compute_cfa_pointer): New function.
5856 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
5857 (struct adjust_mem_data): New type.
5858 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
5860 (get_address_mode): New function.
5861 (replace_expr_with_values): Use it.
5862 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
5863 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
5864 (adjust_sets): Remove.
5865 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
5866 Use get_address_mode.
5867 (get_adjusted_src): Remove.
5868 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
5869 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
5870 (add_with_sets): Don't call adjust_sets.
5871 (fp_setter, vt_init_cfa_base): New functions.
5872 (vt_initialize): Change return type to bool. Move most of pool etc.
5873 initialization to the beginning of the function from end. Pass
5874 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
5875 If !frame_pointer_needed, call vt_stack_adjustment before mos
5876 vector is filled, call vt_init_cfa_base if argp/framep has been
5877 eliminated to sp. If frame_pointer_needed and argp/framep has
5878 been eliminated to hard frame pointer, set
5879 hard_frame_pointer_adjustment and call vt_init_cfa_base after
5880 encountering fp setter in the prologue. For MO_ADJUST, call
5881 log_op_type before pusing the op into mos vector, not afterwards.
5882 Call adjust_insn before cselib_process_insn/add_with_sets,
5883 call cancel_changes (0) afterwards.
5884 (variable_tracking_main_1): Adjust for vt_initialize calling
5885 vt_stack_adjustments and returning whether it succeeded or not.
5887 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
5889 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
5892 2010-03-15 Jakub Jelinek <jakub@redhat.com>
5894 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
5896 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
5897 drap_reg has not been set.
5899 2010-03-15 Michael Matz <matz@suse.de>
5902 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5903 use it to expand block copies.
5904 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5905 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
5906 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
5908 2010-03-15 Richard Guenther <rguenther@suse.de>
5910 PR tree-optimization/43367
5911 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
5914 2010-03-15 Richard Guenther <rguenther@suse.de>
5916 PR tree-optimization/43317
5917 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
5919 2010-03-15 Martin Jambor <mjambor@suse.cz>
5921 PR tree-optimization/43141
5922 * tree-sra.c (create_abstract_origin): New function.
5923 (modify_function): Call create_abstract_origin.
5925 2010-03-15 Chris Demetriou <cgd@google.com>
5927 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
5930 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5933 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
5934 call insert_out_of_ssa_copy for default definitions.
5936 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5938 * graphite-clast-to-gimple.c (my_long_long): Defined.
5939 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5940 * graphite-sese-to-poly.c (my_long_long): Defined.
5941 (scop_ivs_can_be_represented): Use it.
5943 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5945 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5946 graphite-max-bbs-per-function, and loop-block-tile-size.
5947 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5949 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5951 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5953 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5954 forward declaration.
5955 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5956 (add_upper_bounds_from_estimated_nit): New.
5957 (build_loop_iteration_domains): Use it.
5959 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5961 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5963 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5966 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5967 should be an INTEGER_CST. Also handle CASE_CONVERT.
5969 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5971 * graphite.c (graphite_initialize): To bound the number of bbs per
5972 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5973 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5974 * doc/invoke.texi: Document it.
5976 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5978 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5979 * graphite-sese-to-poly.h (build_poly_scop): Same.
5981 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5983 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5984 the number of parameters in the scop. Use as an upper bound
5985 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5986 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5987 * doc/invoke.texi: Document it.
5989 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5991 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5992 * doc/c-tree.texi: Remove.
5993 * doc/generic.texi: Merge c-tree.texi here.
5994 * doc/gccint.texi (Trees): Remove menu entry.
5995 (c-tree.texi): Remove @include.
5996 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5997 * doc/languages.texi (Reading RTL): Ditto.
5999 2010-03-12 Steve Ellcey <sje@cup.hp.com>
6002 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
6004 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
6007 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
6008 code added to work around reload clobbering CONST insns.
6010 2010-03-12 Jakub Jelinek <jakub@redhat.com>
6012 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
6013 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
6014 (cselib_preserve_only_values): Remove retain argument, don't
6015 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
6016 * cselib.h (cselib_preserve_only_values): Remove retain argument.
6017 * var-tracking.c (micro_operation): Move insn field before union.
6018 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
6019 (struct variable_tracking_info_def): Remove n_mos field, change
6020 mos into a vector of micro_operations.
6021 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
6022 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
6023 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
6024 changing into a vector.
6025 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
6026 come before all other uops generated by add_stores.
6027 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
6029 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
6030 a vector. Run just one pass over the bbs instead of separate counting
6031 and computation phase.
6032 (vt_finalize): Free VTI (bb)->mos vector instead of array.
6035 * tree-inline.c (remap_decls): Put old_var rather than origin_var
6036 into *nonlocalized_list vector.
6037 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
6038 even if origin is non-NULL.
6039 (gen_variable_die): Likewise.
6040 (process_scope_var): Don't change origin.
6041 (gen_decl_die): Likewise.
6042 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
6043 before adding new edges instead of after it, fix moving over
6046 2010-03-11 David S. Miller <davem@davemloft.net>
6048 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
6050 * configure: Rebuild.
6052 2010-03-11 Martin Jambor <mjambor@suse.cz>
6054 PR tree-optimization/43257
6055 * tree.c (assign_assembler_name_if_neeeded): New function.
6056 (free_lang_data_in_cgraph): Assembler name assignment moved to the
6058 * tree.h (assign_assembler_name_if_neeeded): Declare.
6059 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
6060 the function if needed.
6062 2010-03-11 Chris Demetriou <cgd@google.com>
6064 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
6065 include/stdint-gcc.h, and include/stdint.h world-readable.
6067 2010-03-11 Richard Guenther <rguenther@suse.de>
6069 PR tree-optimization/43255
6070 * tree-vrp.c (process_assert_insertions_for): Do not insert
6071 asserts for trivial conditions.
6073 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6075 PR tree-optimization/43280
6076 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
6077 generation. Move calculation of size out of the if branch.
6078 (find_bswap): Modify compare number generation.
6080 2010-03-11 Richard Guenther <rguenther@suse.de>
6083 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
6084 (input_gimple_stmt): Fixup handled component types during
6085 operand read. Also fix up decls in ADDR_EXPRs.
6087 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
6089 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
6090 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
6092 2010-03-10 Jan Hubicka <jh@suse.cz>
6095 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
6096 * varasm.c (get_variable_section): Don't do that here...
6097 (make_decl_rtl): ... and here.
6098 (do_assemble_alias): Produce decl RTL.
6099 (assemble_alias): Likewise.
6101 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6104 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
6105 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
6107 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
6108 (based_loc_descr): Only express drap or vdrap regno based expressions
6109 using DW_OP_fbreg when not optimizing.
6110 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
6111 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
6112 REG_CFA_SET_VDRAP note.
6114 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
6116 PR tree-optimization/43236
6117 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
6118 error in calculation of base address in reverse iteration case.
6119 (generate_builtin): Take number of latch executions if the statement
6122 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
6125 * tree-eh.c: Include pointer-set.h.
6126 (lower_eh_dispatch): Filter out duplicate case labels and
6127 remove the unneeded edge when the label is unused. Return
6128 true when some edges are removed.
6129 (execute_lower_eh_dispatch): When any lowering resulted in
6130 removing an edge, also delete unreachable blocks.
6132 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6135 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
6136 UNSPEC_MACHOPIC_OFFSET.
6138 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
6141 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
6142 (m68k_delegitimize_address): New function.
6144 2010-03-09 Jakub Jelinek <jakub@redhat.com>
6147 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
6150 * var-tracking.c (adjust_sets): New function.
6151 (count_with_sets, add_with_sets): Use it.
6152 (get_adjusted_src): New inline function.
6153 (add_stores): Use it.
6156 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
6157 call cselib_dummy_expand_value_rtx_cb instead of
6158 cselib_expand_value_rtx_cb.
6161 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
6162 * config/i386/i386.c: Include debug.h and dwarf2out.h.
6163 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
6164 and .cfi_endproc around the pic thunks.
6165 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
6166 all queued unwind info register saves are saved before the call.
6167 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
6168 considered as sp-=4 for unwind info and the pop as sp+=4 which
6169 also clobbers dest, but doesn't actually restore it.
6172 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
6173 RTX_FRAME_RELATED_P.
6175 2010-03-09 Jie Zhang <jie@codesourcery.com>
6177 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
6178 whitespaces in output template.
6180 2010-03-09 Jie Zhang <jie@codesourcery.com>
6182 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
6185 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6187 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
6188 builtins.exp in a separate job.
6190 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6192 * graphite-sese-to-poly.c (add_param_constraints): Use
6193 lower_bound_in_type and upper_bound_in_type.
6195 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6197 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
6198 instead of unsigned_type_node.
6200 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6201 Reza Yazdani <reza.yazdani@amd.com>
6204 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
6205 on pointer type parameters.
6207 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6211 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
6212 handle conversions from pointer to integers.
6213 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
6214 induction variable, to be able to work with code generated by CLooG.
6215 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
6216 (build_poly_scop): Bail out if we cannot codegen a loop.
6218 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6220 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
6221 code generation with gloog_error.
6223 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6225 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
6226 Call fold_convert on all the returned values.
6227 (expand_scalar_variables_expr): Pass to
6228 expand_scalar_variables_ssa_name the type of the resulting expression.
6230 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6232 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
6233 ppl_min_for_le_pointset.
6234 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
6235 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
6237 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6239 * graphite-dependences.c (map_into_dep_poly): Removed.
6240 (dependence_polyhedron_1): Use combine_context_id_scat.
6242 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6244 * graphite-poly.h (struct poly_scattering): Add layout documentation.
6245 (struct poly_bb): Same.
6246 (combine_context_id_scat): New.
6248 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6251 * sese.c (name_defined_in_loop_p): Return false for default
6254 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6256 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
6257 and clean up the logic.
6259 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6261 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
6264 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6266 * var-tracking.c (remove_cselib_value_chains): Define only for
6268 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
6269 delete_slot_part, emit_notes_for_differences_1): Don't call
6270 remove_cselib_value_chains here.
6271 (set_slot_part, emit_notes_for_differences_2): Don't call
6272 add_cselib_value_chains here.
6273 (preserved_values): New vector.
6274 (preserve_value): New function.
6275 (add_uses, add_stores, vt_add_function_parameters): Use it
6276 instead of cselib_preserve_value.
6277 (changed_values_stack): New vector.
6278 (check_changed_vars_0): New function.
6279 (check_changed_vars_1, check_changed_vars_2): Use it.
6280 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
6281 changed_values_stack VALUEs.
6282 (vt_emit_notes): For all preserved_values call
6283 add_cselib_value_chains. If ENABLE_CHECKING call
6284 remove_cselib_value_chains before verifying value_chains is empty.
6285 Initialize and free changed_values_stack.
6286 (vt_initialize): Initialize preserved_values.
6287 (vt_finalize): Free preserved_values.
6289 2010-03-08 Richard Guenther <rguenther@suse.de>
6291 PR tree-optimization/43269
6292 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
6295 2010-03-08 Martin Jambor <mjambor@suse.cz>
6297 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
6298 (ipa_is_param_called): Removed.
6299 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
6300 (ipa_print_node_params): Do not print the called flag.
6301 (ipa_write_node_info): Do not stream the called flag.
6302 (ipa_read_node_info): Likewise.
6304 2010-03-07 Jakub Jelinek <jakub@redhat.com>
6307 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
6308 * cselib.c (struct expand_value_data): Add dummy field.
6309 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
6311 (cselib_dummy_expand_value_rtx_cb): New function.
6312 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
6314 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
6315 * var-tracking.c: Include pointer-set.h.
6316 (variable): Change n_var_parts to char from int. Add
6317 cur_loc_changed and in_changed_variables fields.
6318 (variable_canonicalize): Remove.
6319 (shared_var_p): New inline function.
6320 (unshare_variable): Maintain cur_loc_changed and
6321 in_changed_variables fields. If var was in changed_variables,
6322 replace it there with new_var. Just copy cur_loc instead of
6323 resetting it to something else.
6324 (variable_union): Don't recompute cur_loc. Use shared_var_p.
6325 (dataflow_set_union): Don't call variable_canonicalize.
6326 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
6327 of their DEBUG_EXPR_TREE_DECLs.
6328 (canonicalize_loc_order_check): Verify that cur_loc is NULL
6329 and in_changed_variables and cur_loc_changed is false.
6330 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
6331 and cur_loc_changed. Don't update cur_loc here.
6332 (variable_merge_over_src): Don't call variable_canonicalize.
6333 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
6334 removing loc that is equal to cur_loc, clear cur_loc,
6335 set cur_loc_changed and ensure variable_was_changed is called.
6336 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
6337 compare pointers in cur_loc check, if it is equal to loc,
6338 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
6339 (variable_different_p): Remove compare_current_location argument,
6340 don't compare cur_loc.
6341 (dataflow_set_different_1): Adjust variable_different_p caller.
6342 (variable_was_changed): If dv had some var in changed_variables
6343 already, reset in_changed_variables flag for it and propagate
6344 cur_loc_changed over to the new variable. On empty var
6345 always set cur_loc_changed. Set in_changed_variables on whatever
6346 var is added to changed_variables.
6347 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
6348 Use shared_var_p. When removing loc that is equal to cur_loc,
6349 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
6350 end, don't set it to something else, just call variable_was_changed.
6351 (delete_slot_part): Use shared_var_p. When cur_loc equals to
6352 loc being removed, clear cur_loc and set cur_loc_changed.
6353 Set cur_loc_changed if all locations have been removed.
6354 (struct expand_loc_callback_data): New type.
6355 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
6356 allocated. Always create SUBREGs if simplify_subreg failed.
6357 Prefer to use cur_loc, when that fails and still in
6358 changed_variables (and seen first time) recompute it. Set
6359 cur_loc_changed of variables which had to change cur_loc and
6360 compute elcd->cur_loc_changed if any of the subexpressions used
6361 had to change cur_loc.
6362 (vt_expand_loc): Adjust to pass arguments in
6363 expand_loc_callback_data structure.
6364 (vt_expand_loc_dummy): New function.
6365 (emitted_notes): New variable.
6366 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
6367 that weren't used for any other decl in current
6368 emit_notes_for_changes call call vt_expand_loc_dummy to update
6369 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
6370 first loc_chain location if NULL before. Always use just
6371 cur_loc instead of first loc_chain location. When cur_loc_changed
6372 is false, when not --enable-checking=rtl just don't emit any note.
6373 When rtl checking, compute the note and assert it is the same
6374 as previous note. Clear cur_loc_changed and in_changed_variables
6375 at the end before removing from changed_variables.
6376 (check_changed_vars_3): New function.
6377 (emit_notes_for_changes): Traverse changed_vars to call
6378 check_changed_vars_3 on each changed var.
6379 (emit_notes_for_differences_1): Clear cur_loc_changed and
6380 in_changed_variables. Recompute cur_loc of new_var.
6381 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
6382 (vt_emit_notes): Initialize and destroy emitted_notes.
6384 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
6386 PR rtl-optimization/42220
6387 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
6388 Use verify_reg_tracked to determine if we should use OP_OUT rather
6390 (build_def_use): If we see an in-out operand for a register that we
6391 know nothing about, treat is an output if possible, fail the block if
6394 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6397 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
6400 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6403 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
6404 uses of relevant DEFs that are dead outside the loop too.
6406 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6408 * var-tracking.c (dataflow_set_merge): Swap src and src2.
6410 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6412 * var-tracking.c (values_to_unmark): New variable.
6413 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6414 values_to_unmark vector. Moved body to...
6415 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6416 instead queue it into values_to_unmark vector.
6417 (vt_find_locations): Free values_to_unmark vector.
6419 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
6421 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
6422 (site.exp): Export them when plugins are enabled.
6424 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
6427 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
6429 (chrec_fold_multiply): Same.
6431 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
6434 * c-decl.c (build_compound_literal): Return early if init is
6437 2010-03-04 Martin Jambor <mjambor@suse.cz>
6439 PR tree-optimization/43164
6440 PR tree-optimization/43191
6441 * tree-sra.c (type_consists_of_records_p): Reject records with
6442 zero-size bit-fields at the end.
6444 2010-03-04 Mike Stump <mikestump@comcast.net>
6446 * Makefile.in (TAGS): Remove *.y.
6448 2010-03-04 Richard Guenther <rguenther@suse.de>
6450 PR tree-optimization/40761
6451 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
6453 (my_rev_post_order_compute): New function.
6454 (init_pre): Call it.
6456 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
6459 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
6460 decrease the cost of an IV candidate when the cost is infinite.
6462 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6464 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
6465 Use '3DNow!' for the extension of that name, ensure normal space
6467 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
6469 2010-03-03 Jeff Law <law@redhat.com>
6471 * PR middle-end/32693
6472 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
6473 than gen_rtx_SUBREG.
6474 (extract_bit_field_1): Likewise.
6476 2010-03-03 Janis Johnson <janis187@us.ibm.com>
6478 * doc/sourcebuild.texi (Test directives): Document that arguments
6479 include-opts and exclude-opts are now optional for dg-skip-if,
6480 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
6482 2010-03-03 Jason Merrill <jason@redhat.com>
6485 * cgraph.h (varpool_node): Add extra_name field.
6486 * varpool.c (varpool_extra_name_alias): New.
6487 (varpool_assemble_decl): Emit extra name aliases.
6488 (varpool_mark_needed_node): Look past an extra name alias.
6489 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
6490 * lto-streamer-in.c (lto_input_tree): Read it.
6491 * lto-streamer-out.c (output_unreferenced_globals): Write it.
6493 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
6495 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
6496 (sparc*-*-solaris2*): ...this.
6498 2010-03-03 Jakub Jelinek <jakub@redhat.com>
6501 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
6502 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
6503 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
6504 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
6507 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
6508 fallthrough to default handling, just with want_address 0 instead of 2.
6509 For single element lists, add_AT_loc directly, otherwise create an
6510 artificial variable DIE and stick location list to it.
6513 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
6514 (VAL_EXPR_HAS_REVERSE): Define.
6515 (reverse_op): New function.
6516 (add_stores): For reversible operations add an extra MO_VAL_USE.
6518 2010-03-02 Jason Merrill <jason@redhat.com>
6520 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
6522 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
6524 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
6525 (sparc64-*-linux*): Likewise.
6526 (sparc64-*-solaris2*): Include assembler files before linker ones.
6527 (sparc-*-solaris2*): Simplify and reorder to match previous case.
6528 * config/sparc/gas.h: Delete.
6529 * config/sparc/sol2-64.h: Add copyright notice.
6530 * config/sparc/sol2-gas-bi.h: Likewise.
6531 * config/sparc/sol2-gld.h: Likewise.
6532 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
6533 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
6534 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
6535 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
6536 (sparc_elf_asm_named_section): Rename into...
6537 (sparc_solaris_elf_asm_named_section): ...this. Always define.
6539 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
6541 * config/alpha/alpha.c (override_options): Fix -mtune error message.
6543 2010-03-02 Jeff Law <law@redhat.com>
6546 * reload1.c (rtx_p, substitute_stack): Declare.
6547 (substitute): Record addresses of changed rtxs.
6548 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
6549 Restore the original rtx when complete.
6550 (reload): Free subsitute_stack when complete.
6552 2010-03-02 Janis Johnson <janis187@us.ibm.com>
6554 * doc/gccint.texi (menu): Add Testsuites as a chapter.
6555 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
6557 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
6558 LTO Testing, gcov Testing, profopt Testing, compat Testing,
6559 Torture Tests): Change from subsection to section.
6561 2010-03-02 Jakub Jelinek <jakub@redhat.com>
6562 Steven Bosscher <steven@gcc.gnu.org>
6564 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
6567 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
6570 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
6571 the assignment from the new induction variable to the assignment
6572 of the value from the original loop PHI function.
6574 2010-03-01 Janis Johnson <janis187@us.ibm.com>
6575 Daniel Jacobowitz <dan@codesourcery.com>
6577 * doc/sourcebuild.texi (Test directives): Clarify options to
6580 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6582 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
6583 Disable cfi directives unless GCC and gas agree on using read-only
6584 .eh_frame sections for 64-bit.
6585 * configure: Regenerate.
6587 2010-03-01 Richard Guenther <rguenther@suse.de>
6589 PR tree-optimization/43220
6590 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
6591 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
6593 2010-03-01 Richard Guenther <rguenther@suse.de>
6594 Martin Jambor <mjambor@suse.cz>
6597 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
6598 gimplified parameters.
6600 2010-03-01 Christian Bruel <christian.bruel@st.com>
6602 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
6604 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
6606 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
6608 2010-03-01 Richard Guenther <rguenther@suse.de>
6611 * expr.c (expand_assignment): Use the alias-oracle to tell
6612 if the rhs aliases the result decl.
6614 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6617 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
6618 to sol_gt_pch_get_address.
6619 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
6620 64-bit, SPARC and x86.
6621 (sol_gt_pch_get_address): New function.
6623 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
6625 * toplev.h (inform_n, error_n): Declare.
6626 * diagnostic.c (inform_n, error_n): New function.
6628 2010-03-01 Jakub Jelinek <jakub@redhat.com>
6630 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
6631 has no rtl yet when processing local_decls, queue it and recheck
6632 if deferred stack allocation hasn't assigned it rtl.
6634 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
6636 * config/sh/sh.c (unspec_bbr_uid): New.
6637 (gen_block_redirect): Use it instead of INSN_UID.
6638 (gen_far_branch): Likewise.
6640 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
6642 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
6643 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
6645 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6647 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
6648 (Warning Options): -Wno-conversion-null is valid for
6649 Objective-C++ as well.
6650 * doc/tm.texi (Named Address Spaces): Likewise.
6651 * doc/plugins.texi (Plugins): Replace TABs with spaces.
6652 * doc/tree-ssa.texi (Tree SSA): Likewise.
6654 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6657 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
6658 by default. Don't set the default arch for
6659 i[34567]86-*-darwin*|x86_64-*-darwin*.
6661 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6664 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
6665 default. Set the default 32bit/64bit archs with $with_arch
6666 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
6668 2010-02-27 Richard Guenther <rguenther@suse.de>
6670 PR tree-optimization/43186
6671 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
6672 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
6673 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
6674 unroller iterations.
6676 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6678 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
6679 required and i[34567]86-*-* targets don't support 64bit ISA.
6681 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
6684 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6687 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6689 * config.gcc: Set the default arch at least to Prescott for
6690 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
6691 if SSE math is enabled.
6693 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6695 * diagnostic.c (diagnostic_initialize): Update.
6696 (diagnostic_report_diagnostic): Test inhibit_notes_p for
6698 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
6699 (diagnostic_inhibit_notes): New.
6700 * toplev.c (process_options): inhibit notes with -fcompare-debug.
6702 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6705 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
6706 * doc/standards.texi: Likewise.
6707 * doc/extend.texi: Likewise.
6708 * doc/trouble.texi: Likewise.
6709 * doc/cppopts.texi: Likewise.
6710 * doc/install.texi: Likewise.
6711 * c.opt (std=c90,std=gnu90): New options.
6712 * c-opts.c (c_common_handle_option): Handle them.
6714 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6717 * c-decl.c (undeclared_variable): Use an informative note.
6719 2010-02-26 Richard Guenther <rguenther@suse.de>
6721 PR tree-optimization/43186
6722 * gimple.h (gimple_fold): Remove.
6723 * gimple.c (gimple_fold): Remove. Inline into single user ...
6724 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
6725 Try harder for conditions.
6727 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6730 * function.c (used_types_insert): Don't skip through named pointer
6731 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
6732 and it is different from the main variant's type.
6734 2010-02-26 Nick Clifton <nickc@redhat.com>
6736 * config/rx/rx.md (sminsi3): Remove bogus alternative.
6738 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6740 * config.gcc: Support --with-fpmath=sse for x86.
6742 * config/i386/ssemath.h: New.
6744 * doc/install.texi (--with-fpmath=sse): Documented.
6746 2010-02-26 Richard Guenther <rguenther@suse.de>
6748 PR tree-optimization/43188
6749 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
6750 vector types of over-aligned element type.
6752 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
6755 * config/i386/i386.c (expand_vec_perm_blend): Use correct
6756 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
6758 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
6760 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
6762 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6764 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
6765 * var-tracking.c: Include diagnostic.h.
6766 (debug_dv): New function.
6767 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
6770 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
6771 (add_value_chain, add_value_chains, remove_value_chain,
6772 remove_value_chains): Handle DEBUG_EXPRs.
6773 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
6776 * regcprop.c (struct queued_debug_insn_change): New type.
6777 (struct value_data_entry): Add debug_insn_changes field.
6778 (struct value_data): Add n_debug_insn_changes field.
6779 (debug_insn_changes_pool): New variable.
6780 (free_debug_insn_changes, apply_debug_insn_changes,
6781 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
6782 (kill_value_one_regno): Call free_debug_insn_changes if needed.
6783 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
6785 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
6787 (copyprop_hardreg_forward_1): Don't call apply_change_group for
6788 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
6789 changes, call cprop_find_used_regs via note_stores.
6790 (copyprop_hardreg_forward): When copying vd from predecessor
6791 which has any queued DEBUG_INSN changes, make sure the pointers are
6792 cleared. At the end call df_analyze and then if there are any
6793 DEBUG_INSN changes queued at the end of some basic block for still
6794 live registers, apply them.
6795 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
6797 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
6799 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
6802 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
6804 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
6805 targets. Set the default with_cpu/with_arch from arch/cpu.
6806 Allow x86-64 and native for with_cpu/with_arch.
6808 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
6810 * ebitmap.c: Change calls to verify_popcount with calls to
6811 sbitmap_verify_popcount.
6812 (ebitmap_clear_bit): Fixed map->cacheindex test and
6813 map>cache update when bit clearing results in an empty
6816 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
6819 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
6820 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
6821 and support both V2DF and V2DI modes.
6822 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
6823 support both V2DF and V2DI modes.
6824 (general): Delete trailing whitespace from a few patterns.
6826 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6827 V2DF/V2DI interleave high/low builtins.
6829 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
6832 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
6833 interleave high/low functions.
6835 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
6837 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
6838 #pragma extern_prefix.
6840 2010-02-25 Jakub Jelinek <jakub@redhat.com>
6843 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
6844 BLKmode, assert op0 is a MEM and just adjust its mode.
6847 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
6848 if bitpos isn't multiple of mode's bitsize.
6850 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6852 * c.opt (-ftemplate-depth=): New.
6853 (-ftemplate-depth-): Deprecate.
6854 * optc-gen.awk: Handle -ftemplate-depth=.
6855 * opth-gen.awk: Likewise.
6856 * c-opts.c (c_common_handle_option): Likewise.
6857 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
6859 2010-02-24 Jason Merrill <jason@redhat.com>
6861 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
6863 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6865 * cfg.c (alloc_aux_for_block): Remove inline.
6866 (alloc_aux_for_edge): Likewise.
6868 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6870 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
6872 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6874 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
6875 * config/i386/sol2-gas.h: New file.
6876 * config.gcc (i[34567]86-*-solaris2*): Use it.
6878 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6881 * c-typeck.c (ep_convert_and_check): New.
6882 (build_conditional_expr): Use it.
6883 (build_binary_op): Likewise.
6885 2010-02-24 Jakub Jelinek <jakub@redhat.com>
6887 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
6890 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
6891 bounds even for -O+.
6892 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
6893 expr needs to have DECL_NAME set.
6895 2010-02-24 Nick Clifton <nickc@redhat.com>
6897 * config/mep/mep.c: Include gimple.h.
6898 (mep_function_uses_sp): Delete unused function.
6899 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
6900 parameters. Use unsigned integers to count args. Return a
6901 NULL_RTX instead of an error_mark_node. Toidy up formatting.
6903 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6906 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
6907 greater or equal to nelt instead of 2 * nelt.
6908 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
6911 2010-02-23 Jason Merrill <jason@redhat.com>
6914 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
6915 in cfun->local_decls even if they have register types.
6918 * stor-layout.c (place_field): Don't warn about unnecessary
6919 DECL_PACKED if the type is packed.
6921 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6924 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
6925 GOTOFF relocs, even when the base reg isn't pic pointer.
6927 2010-02-23 Michael Matz <matz@suse.de>
6930 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
6931 (expand_gimple_basic_block): Generate and use debug temps if there
6932 are debug uses left after the last real use of TERed ssa names.
6933 Unlink debug immediate uses when they are expanded.
6935 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6938 * config/i386/i386.c (override_options): Reorganise to provide
6939 better error messages.
6941 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6944 * graphite-scop-detection.c (create_single_exit_edge): Move
6945 the call to find_single_exit_edge to....
6946 (create_sese_edges): ...here. Don't handle multiple edges
6947 exiting the function.
6948 (build_graphite_scops): Don't handle multiple edges
6949 exiting the function.
6951 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6954 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6955 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6957 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6960 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6962 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6965 * c-typeck.c (convert_arguments): Print declaration location.
6966 * c-common.c (validate_nargs): Rename as
6967 builtin_function_validate_nargs.
6968 (check_builtin_function_arguments): Update.
6970 2010-02-22 Richard Guenther <rguenther@suse.de>
6973 * tree-inline.c (declare_return_variable): Use the type of
6974 the call stmt lhs if available.
6976 2010-02-22 Duncan Sands <baldrick@free.fr>
6978 * passes.c (register_pass): Always consider all pass lists when
6979 ref_pass_instance_number is zero.
6981 2010-02-22 Richard Guenther <rguenther@suse.de>
6983 PR tree-optimization/42749
6984 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6985 parameter. Do arithmetic in the original type.
6986 (update_accumulator_with_ops): Likewise.
6987 (adjust_accumulator_values): Adjust.
6989 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6991 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6992 (QI to BLKmode splitter): New splitter.
6994 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6996 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6997 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6999 2010-02-22 Richard Guenther <rguenther@suse.de>
7001 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
7003 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
7005 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
7006 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
7007 ($(T)crti.o, $(T)crtn.o): Remove rules.
7009 2010-02-21 Tobias Burnus <burnus@net-b.de>
7012 * doc/invoke.texi (-fassociative-math): Document that this
7013 option is automatically enabled for Fortran.
7015 2010-02-20 David S. Miller <davem@davemloft.net>
7017 * configure.ac: Test if linker and assembler properly support
7018 GOTDATA_OP relocations.
7019 * configure: Rebuild.
7020 * config.in: Likewise.
7021 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
7022 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
7023 (movsi_high_pic): Likewise.
7024 (movdi_lo_sum_pic): Likewise.
7025 (movdi_high_pic): Likewise.
7026 (movsi_pic_gotdata_op): New pattern.
7027 (movdi_pic_gotdata_op): Likewise.
7028 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
7029 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
7031 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
7034 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
7035 attribute to ssemul.
7036 (xop_mulv2div2di3_high): Ditto.
7038 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7041 * c.opt (Wconversion-null): New option.
7042 * doc/invoke.texi (Wconversion-null): Document.
7044 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7046 * common.opt (Wlarger-than-): Add Undocumented.
7048 2010-02-19 Mike Stump <mikestump@comcast.net>
7050 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
7052 2010-02-19 Jason Merrill <jason@redhat.com>
7055 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
7056 * configure: Likewise.
7058 2010-02-20 Alan Modra <amodra@gmail.com>
7061 * cgraph.h (cgraph_make_decl_local): Declare.
7062 * cgraph.c (cgraph_make_decl_local): New function.
7063 (cgraph_make_node_local): Use it.
7064 * cgraphunit.c (cgraph_function_versioning): Likewise.
7065 * ipa.c (function_and_variable_visibility): Likewise.
7067 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7070 * except.c (sjlj_emit_function_enter): Don't call
7071 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
7073 * rtl.h (add_reg_br_prob_note): Remove prototype.
7075 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
7078 * c-common.c (conversion_warning): Remove widening conversions
7079 before checking the conversion of integers to reals.
7081 2010-02-19 Mike Stump <mikestump@comcast.net>
7084 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
7087 * cgraphunit.c (process_function_and_variable_attributes): Check
7088 DECL_PRESERVE_P instead of looking up attribute "used".
7089 * ipa-pure-const.c (check_decl): Likewise.
7090 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
7091 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
7092 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
7093 instead of attribute "used".
7094 * config/sol2-c.c (solaris_pragma_init): Likewise.
7095 (solaris_pragma_fini): Likewise.
7097 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7099 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
7100 Use XCNEW instead of xcalloc.
7101 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
7102 XNEW instead of xmalloc.
7103 (get_fields): Use XNEWVEC instead of xmalloc.
7106 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
7107 populate vars array.
7108 (create_new_general_access): For debug stmts just reset value.
7109 (get_stmt_accesses): For accesses within debug stmts just record them
7110 using add_access_to_acc_sites instead of preventing the peeling or
7111 counting them as accesses.
7114 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
7116 2010-02-19 Richard Guenther <rguenther@suse.de>
7118 PR tree-optimization/42916
7119 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
7122 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
7124 * configure.ac: Replace all uses of changequote in macro arguments
7125 with proper quoting.
7127 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7130 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
7132 2010-02-19 Richard Guenther <rguenther@suse.de>
7134 PR tree-optimization/42944
7135 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
7136 test for aliasing with errno.
7138 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7141 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
7142 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
7143 * dojump.c: Include output.h.
7144 (inv): New inline function.
7145 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
7146 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
7147 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
7148 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
7149 argument, pass it down to other calls.
7150 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
7151 add REG_BR_PROB note to the conditional jump.
7152 * cfgexpand.c (add_reg_br_prob_note): Removed.
7153 (expand_gimple_cond): Don't call it, add the probability
7154 as last argument to jumpif_1/jumpifnot_1.
7155 * Makefile.in (dojump.o): Depend on output.h.
7156 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
7158 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
7159 * stmt.c (do_jump_if_equal): Likewise.
7160 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
7161 * loop-unswitch.c (compare_and_jump_seq): Likewise.
7162 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
7164 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
7165 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
7166 jumpifnot_1 callers.
7167 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
7169 (store_expr): Adjust jumpifnot caller.
7170 (store_constructor): Adjust jumpif caller.
7173 * gimplify.c (gimple_boolify): For __builtin_expect call
7174 gimple_boolify also on its first argument.
7176 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
7178 * configure.ac (gnu-unique-object): Wrap regexps using [] in
7180 (__stack_chk_fail): Ditto. Remove quadrigraphs.
7181 * configure: Regenerated.
7183 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7185 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
7186 lang_hooks.types_compatible_p instead of comptypes.
7188 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
7190 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
7191 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
7192 if __prefer_thumb__ is defined.
7194 2010-02-18 Martin Jambor <mjambor@suse.cz>
7196 PR tree-optimization/43066
7197 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
7198 array with zero-sized element type.
7200 2010-02-18 Jakub Jelinek <jakub@redhat.com>
7202 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
7203 rtx, allocate struct var_loc_node here and return it to the
7204 caller, and only if it is actually needed.
7205 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
7206 move it earlier and return immediately if it returns NULL.
7208 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
7210 * config/sparc/gas.h: New file. Restore
7211 TARGET_ASM_NAMED_SECTION to its ELF default.
7212 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
7214 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7215 Likewise. Add ATTRIBUTE_UNUSED to prototype.
7216 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
7217 after sparc/sysv4.h.
7219 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
7221 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
7223 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
7225 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
7226 patterns from predicated pattern.
7228 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
7231 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
7232 for insn mnemonic suffix.
7234 2010-02-17 Richard Guenther <rguenther@suse.de>
7236 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
7239 2010-02-17 Jakub Jelinek <jakub@redhat.com>
7242 * caller-save.c (save_call_clobbered_regs): If BB ends with
7243 a DEBUG_INSN, move any notes in between last real insn and the last
7244 DEBUG_INSN after the last DEBUG_INSN.
7246 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
7248 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
7249 Fix return type. Fix argument type. Explain meaning of return value.
7251 2010-02-16 Richard Guenther <rguenther@suse.de>
7253 PR tree-optimization/41043
7254 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
7255 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
7257 (vrp_visit_phi_node): ... but only for loop PHI nodes.
7259 2010-02-16 Ira Rosen <irar@il.ibm.com>
7261 PR tree-optimization/43074
7262 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
7263 * tree-vect-loop.c (vect_analyze_loop_operations): Add
7264 vectorizable cycles in hybrid SLP check.
7265 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
7267 2010-02-16 Richard Guenther <rguenther@suse.de>
7269 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
7270 (true_dependence): If memrefs_conflict_p computes must-alias
7271 trust it. Move TBAA check after offset-based disambiguation.
7272 (canon_true_dependence): Likewise.
7274 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
7276 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
7277 * doc/invoke.texi: Document it.
7278 * var-tracking.c: Include toplev.h and params.h.
7279 (vt_find_locations): Return bool indicating success. Compute
7280 hash sizes unconditionally. Check new parameter, report.
7281 (variable_tracking_main_1): Check vt_find_locations results and
7282 retry. Renamed from...
7283 (variable_tracking_main): ... this. New wrapper to preserve
7284 flag_var_tracking_assignments.
7285 * Makefile.in (var-tracking.o): Adjust dependencies.
7287 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
7288 Jakub Jelinek <jakub@redhat.com>
7291 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
7292 if weak_import attribute is present.
7293 * config/darwin.c (machopic_select_section): Likewise.
7295 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
7297 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
7298 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
7299 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
7300 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
7302 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
7305 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
7308 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
7309 Rewrite text to refer to the names.
7311 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
7313 * config/i386/i386-builtin-types.def
7314 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
7315 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
7316 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
7317 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
7318 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
7319 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
7320 IX86_BUILTIN_VPERMIL2PS256.
7321 (MULTI_ARG_4_DF2_DI_I): Defined.
7322 (MULTI_ARG_4_DF2_DI_I1): Defined.
7323 (MULTI_ARG_4_SF2_SI_I): Defined.
7324 (MULTI_ARG_4_SF2_SI_I1): Defined.
7325 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
7326 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
7327 __builtin_ia32_vpermil2ps256.
7328 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7329 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7330 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
7331 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7332 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7333 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
7334 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
7335 CODE_FOR_xop_vpermil2v8sf3.
7336 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
7337 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
7338 * config/i386/xopintrin.h (_mm_permute2_pd): New.
7339 (_mm256_permute2_pd): New.
7340 (_mm_permute2_ps): New.
7341 (_mm256_permute2_ps): New.
7343 2010-02-15 Nick Clifton <nickc@redhat.com>
7345 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
7346 boolean parameters. Use emit_jump_insn when emitting a pop
7347 instruction containing a return insn.
7348 (push): Use 'true' rather than '1' as second parameter to F.
7349 (h8300_expand_prologue): Likewise.
7350 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
7351 (h8300_expand_epilogue): Likewise.
7353 2010-02-15 Richard Guenther <rguenther@suse.de>
7356 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
7359 2010-02-15 Nick Clifton <nickc@redhat.com>
7361 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
7364 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
7366 * intl.c (fake_ngettext): New function.
7367 * intl.h (fake_ngettext): Declare.
7368 (ngettext): Define macro.
7369 * collect2.c (notice_translated): New function.
7370 (main): Use notice_translated and ngettext.
7371 * collect2.h (notice_translated): Declare.
7373 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
7375 * reorg.c (delete_computation): Comment fixes.
7376 * caller-save.c (setup_save_areas): Idem.
7377 * sel-sched-dump.c (dump_lv_set): Idem.
7380 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7382 * config/s390/s390.c (s390_sched_init): New function.
7383 (TARGET_SCHED_INIT): Target hook defined.
7385 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
7386 Jack Howarth <howarth@bromo.med.uc.edu>
7387 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
7390 Partial revert of unintended change in fix for PR41605.
7391 * config/darwin.h: Fix typo.
7392 * config/darwin9.h: Same.
7394 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7396 * c-pch.c (pch_init): Clear v.
7398 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7401 * graphite-scop-detection.c (graphite_can_represent_scev): Call
7402 graphite_can_represent_init for MULT_EXPR.
7404 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7408 * graphite-sese-to-poly.c (remove_phi): New.
7409 (translate_scalar_reduction_to_array): Call remove_phi.
7411 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7414 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
7415 * graphite-clast-to-gimple.h (gloog): Update declaration.
7416 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
7417 * graphite-poly.h (struct poly_bb): Add missing comments.
7418 (struct scop): Add poly_scop_p field.
7420 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
7421 * graphite.c (graphite_transform_loops): Build the polyhedral
7422 representation for each scop before code generation.
7423 * sese.c (rename_variables_in_operand): Removed.
7424 (rename_variables_in_expr): Return the renamed expression.
7425 (rename_sese_parameters): New.
7426 * sese.h (rename_sese_parameters): Declared.
7428 2010-02-11 Richard Guenther <rguenther@suse.de>
7430 PR tree-optimization/42998
7431 * tree-ssa-pre.c (create_expression_by_pieces): Treat
7432 POINTER_PLUS_EXPR properly.
7434 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7435 Changpeng Fang <changpeng.fang@amd.com>
7438 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
7439 the cost of an IV candidate when the IV is used in a test against zero.
7441 * gcc.dg/tree-ssa/ivopts-3.c: New.
7443 2010-02-11 Richard Guenther <rguenther@suse.de>
7446 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
7447 pointer-vs-decl case by swapping refs. Handle some cases
7448 of pointer-vs-decl disambiguations more conservatively.
7449 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
7450 to false after expanding.
7452 2010-02-11 Richard Guenther <rguenther@suse.de>
7455 * gcc.c (process_command): Handle LTO file@offset case more
7458 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7460 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
7461 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
7463 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
7465 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
7466 if MEM's mode size isn't DWARF2_ADDR_SIZE.
7467 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
7468 Optimize eq/ne comparisons when both arguments are known to be
7470 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
7471 Don't mask operands unnecessarily if they are known to be already
7474 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
7476 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
7479 2010-02-10 Richard Guenther <rguenther@suse.de>
7481 PR tree-optimization/43017
7482 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
7483 for wrapping signed arithmetic.
7485 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7488 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
7489 if no debug info should be emitted for it.
7491 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
7493 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
7494 note when flag_exceptions is set.
7496 2010-02-10 Duncan Sands <baldrick@free.fr>
7498 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
7500 2010-02-10 Richard Guenther <rguenther@suse.de>
7503 * tree.c (get_unwidened): Handle constants.
7504 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
7506 2010-02-10 Martin Jambor <mjambor@suse.cz>
7509 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
7510 check for variable argument counts independently.
7512 2010-02-10 Christian Bruel <christian.bruel@st.com>
7515 * config/sh/sh.c (find_barrier): Increase length for non delayed
7516 conditional branches.
7518 2010-02-10 Christian Bruel <christian.bruel@st.com>
7520 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
7522 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7524 * builtins.c (set_builtin_user_assembler_name): Also handle
7525 ffs if int is smaller than word.
7527 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
7530 * ira-conflicts.c (get_dup): Remove.
7531 (process_reg_shuffles): Add new parameter. Use it as an
7532 additional guard for copy generation.
7533 (add_insn_allocno_copies): Rewrite.
7535 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
7537 * common.opt (fsched2-use-traces): Preserved for backward
7539 * doc/invoke.texi: Remove the documentation about option
7540 -fsched2-use-traces.
7541 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
7542 flag_sched2_use_traces.
7543 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
7544 the backward compatibility flag section.
7546 2010-02-09 Richard Guenther <rguenther@suse.de>
7548 PR tree-optimization/43008
7549 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
7550 make HEAP variables initialized from global memory if they
7551 are not known builtin functions.
7552 (find_func_aliases): Adjust.
7554 2010-02-09 Richard Guenther <rguenther@suse.de>
7556 PR tree-optimization/43000
7557 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
7558 arithmetic manually.
7560 2010-02-08 Jakub Jelinek <jakub@redhat.com>
7562 PR tree-optimization/42931
7563 * tree-loop-linear.c (try_interchange_loops): Don't call
7564 double_int_mul if estimated_loop_iterations failed.
7566 2010-02-08 Martin Jambor <mjambor@suse.cz>
7569 * tree-sra.c (build_accesses_from_assign): Do not mark in
7570 should_scalarize_away_bitmap if stmt has volatile ops.
7571 (sra_modify_assign): Do not process assigns piecemeal if if stmt
7574 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
7576 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
7578 2010-02-07 Adam Nemet <adambnmet@gmail.com>
7580 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
7583 2010-02-07 Andrew Pinski <pinskia@gmail.com>
7586 * df-core.c (df_finish_pass): Change type of saved_flags to int.
7588 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7591 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
7592 to unknown_dependence.
7593 (graphite_legal_transform_dr): Handle the unknown_dependence.
7594 (graphite_carried_dependence_level_k): Same.
7596 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7598 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
7600 2010-02-07 Richard Guenther <rguenther@suse.de>
7603 * expr.c (get_inner_reference): Always initialize *pbitsize.
7605 2010-02-07 Richard Guenther <rguenther@suse.de>
7608 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
7609 new ARRAY_REFs on variable size element or minimal index arrays.
7611 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
7612 gimple_fold_indirect_ref.
7614 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
7617 * arm.c (arm_override_options): Just return if the user has specified
7618 an invalid fpu name.
7620 2010-02-03 Jason Merrill <jason@redhat.com>
7623 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
7624 i386_pe_maybe_record_exported_symbol.
7626 2010-02-05 Steve Ellcey <sje@cup.hp.com>
7629 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7630 (pa_delegitimize_address): New function.
7632 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
7634 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
7635 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
7637 2010-02-05 Richard Guenther <rguenther@suse.de>
7640 * lto-streamer-in.c (get_resolution): Deal with references
7641 to undefined functions.
7643 2010-02-05 Richard Guenther <rguenther@suse.de>
7645 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
7646 (fold_const_aggregate_ref): Likewise.
7647 (ccp_fold_stmt): Substitute loads.
7648 (maybe_fold_reference): Verify types before substituting.
7650 (fold_gimple_assign): Unshare properly.
7651 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
7653 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
7655 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
7656 for rs6000_gen_cell_microcode.
7658 2010-02-04 Richard Guenther <rguenther@suse.de>
7660 PR rtl-optimization/42952
7661 * dse.c (const_or_frame_p): Remove MEM handling.
7663 2010-02-04 Nick Clifton <nickc@redhat.com>
7665 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
7666 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
7667 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
7668 (mn10300_asm_output_mi_thunk): New function.
7669 (mn10300_can_output_mu_thunk): New function.
7670 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
7671 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
7672 (FUNCTION_ARG): Delete incorrect comment.
7674 2010-02-03 Jason Merrill <jason@redhat.com>
7677 * fold-const.c (operand_equal_p): Handle erroneous types.
7679 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
7681 * config/h8300/h8300.md (can_delay): Fix attibute condition.
7683 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
7685 PR rtl-optimization/42941
7686 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
7689 2010-02-03 Jason Merrill <jason@redhat.com>
7692 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
7694 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
7697 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
7698 (cselib_reset_table): Renamed from...
7699 (cselib_reset_table_with_next_value): ... this.
7700 (cselib_get_next_uid): Renamed from...
7701 (cselib_get_next_unknown_value): ... this.
7702 * cselib.c (next_uid): Renamed from...
7703 (next_unknown_value): ... this.
7704 (cselib_clear_table): Adjust.
7705 (cselib_reset_table): Adjust. Renamed from...
7706 (cselib_reset_table_with_next_value): ... this.
7707 (cselib_get_next_uid): Adjust. Renamed from...
7708 (cselib_get_next_unknown_value): ... this.
7709 (get_value_hash): Use hash.
7710 (cselib_hash_rtx): Likewise.
7711 (new_cselib_val): Adjust. Set and dump uid.
7712 (cselib_lookup_mem): Pass next_uid as hash.
7713 (cselib_subst_to_values): Likewise.
7714 (cselib_log_lookup): Dump uid.
7715 (cselib_lookup): Pass next_uid as hash. Adjust.
7716 (cselib_process_insn): Adjust.
7717 (cselib_init): Initialize next_uid.
7718 (cselib_finish): Adjust.
7719 (dump_cselib_table): Likewise.
7720 * dse.c (canon_address): Dump value uid.
7721 * print-rtl.c (print_rtx): Print value uid.
7722 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
7724 (dv_uid): New function, sort of renamed from...
7725 (dv_htab_hash): ... this, reimplemented in terms of it and...
7726 (dv_uid2hash): ... this. New.
7727 (variable_htab_eq): Drop excess assertions.
7728 (tie_break_pointers): Removed.
7729 (canon_value_cmp): Compare uids.
7730 (variable_post_merge_New_vals): Print uids.
7731 (vt_add_function_parameters): Adjust.
7732 (vt_initialize): Reset table. Adjust.
7734 2010-02-03 Richard Guenther <rguenther@suse.de>
7736 PR tree-optimization/42944
7737 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
7738 (call_may_clobber_ref_p_1): Likewise. Properly handle
7739 malloc and calloc clobbering errno.
7741 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
7743 * doc/invoke.texi: Fix name of sched1 dump.
7745 * opts.c (decode_options): Set flag_tree_switch_conversion
7746 only conditionally on optimize >= 2.
7748 * gcse.c: Assorted comment fixes in pass description.
7750 2010-02-03 Anthony Green <green@moxielogic.com>
7752 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
7753 nop padding in order to maintain alignment of storage location of
7754 target function address.
7755 (moxie_trampoline_init): Store target function address at newly
7757 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
7759 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
7761 2010-02-03 Richard Guenther <rguenther@suse.de>
7764 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
7766 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7768 * config.gcc: Reenable check for obsolete targets.
7769 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
7770 mips-sgi-irix6.[0-4]*.
7772 2010-02-02 Nick Clifton <nickc@redhat.com>
7774 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
7775 constant size of 4 as being the same as 0.
7776 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
7777 can take values in the range 0..4.
7779 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
7782 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
7783 as _darwin10_Unwind_FindEnclosingFunction().
7784 * libgcc-libsystem.ver: New.
7786 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
7789 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
7790 implicitly set registers.
7792 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
7794 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
7795 (arm_override_options): Allow automatic selection of the thread
7796 pointer register if thumb2.
7797 (legitimize_pic_address): Improve code sequences for Thumb2.
7798 (arm_call_tls_get_addr): Likewise.
7799 (legitimize_tls_address): Likewise.
7800 * arm.md (pic_load_addr_arm): Delete. Replace with ...
7801 (pic_load_addr_32bit): ... this. New named pattern.
7802 * thumb2.md (pic_load_addr_thumb2): Delete.
7803 (pic_load_dot_plus_four): Delete.
7804 (tls_load_dot_plus_four): New named pattern.
7806 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7809 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
7810 Document fix for TLS bug.
7812 2010-01-31 Richard Guenther <rguenther@suse.de>
7814 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
7815 conservatively correct.
7817 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7821 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7823 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7825 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7827 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
7829 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
7831 * config.gcc: Adjust order of makefile fragments for mingw targets.
7833 2010-01-31 Richard Guenther <rguenther@suse.de>
7836 * gimplify.c (gimplify_init_constructor): For volatile LHS
7837 initialize a temporary.
7839 2010-01-31 Matthias Klose <doko@ubuntu.com>
7841 * configure.ac: Fix __stack_chk_fail check for cross builds configured
7843 * configure: Regenerate.
7845 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
7847 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7848 the same alias set and their sizes different constantness.
7849 (aliasing_component_refs_p): Revert 2009-10-24 change.
7851 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7853 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
7856 2010-01-29 Richard Guenther <rguenther@suse.de>
7858 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
7859 Assert we successfully updated the call.
7861 2010-01-29 Jakub Jelinek <jakub@redhat.com>
7863 PR rtl-optimization/42889
7864 * df.h (df_set_bb_dirty_nonlr): New prototype.
7865 * df-core.c (df_set_bb_dirty_nonlr): New function.
7866 * df-scan.c (df_insn_rescan): Call it instead of
7867 df_set_bb_dirty for DEBUG_INSNs.
7869 2010-01-29 Richard Guenther <rguenther@suse.de>
7872 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
7873 quadratic behavior in most cases.
7875 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
7878 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
7879 in the call to gen_x86_movsicc_0_m1.
7881 2010-01-28 Richard Guenther <rguenther@suse.de>
7883 PR tree-optimization/42871
7884 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
7886 2010-01-28 Richard Guenther <rguenther@suse.de>
7888 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
7889 into call arguments.
7891 2010-01-28 Richard Guenther <rguenther@suse.de>
7894 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
7895 the forwarder if the destination is an EH landing pad.
7897 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
7899 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
7900 block list passed to gimple_duplicate_sese_tail.
7901 (parallelize_loops): Avoid parallelization when the function
7903 Avoid parallelization when the preheader is IRREDUCIBLE.
7904 Try to optimize when estimated_loop_iterations_int is unresolved.
7905 Add the loop's location to the dump file.
7906 * tree-cfg.c (add_phi_args_after_redirect): Remove.
7907 (gimple_duplicate_sese_tail): Remove the check for the latch.
7908 Redirect nexits to the exit block.
7909 Remove handling of the incoming edges to the latch.
7910 Redirect the backedge from the copied latch to the exit bb.
7912 2010-01-28 Michael Matz <matz@suse.de>
7915 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
7916 Wrap force_reg into a sequence, emit it before user.
7918 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
7920 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
7922 (arm_legacy_rev): Likewise.
7923 (thumb_legacy_rev): Likewise.
7925 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7927 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
7928 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
7929 on MEM's address failed, try avoid_constant_pool_reference and
7930 recurse if it returned something different.
7931 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
7932 address, try avoid_constant_pool_reference and recurse if it
7933 returned something different.
7934 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7935 address and avoid_constant_pool_reference returned something
7936 different, don't set have_address.
7938 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7941 * var-tracking.c (val_store): Add modified argument, obey it.
7943 (count_uses): Move down logging of main.
7944 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7945 don't need resolution.
7946 (emit_notes_in_bb): Likewise.
7948 2010-01-27 Richard Guenther <rguenther@suse.de>
7951 * tree-inline.c (remap_decl): Delay remapping of SSA name
7952 default definitions until we need them.
7954 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7956 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7957 (rs6000_delegitimize_address): New function.
7959 * config/s390/s390.c (s390_delegitimize_address): Call
7960 delegitimize_mem_from_attrs.
7963 * tree-inline.c (cannot_copy_type_1): Removed.
7964 (copy_forbidden): Don't forbid copying of functions containing
7965 records/unions with variable length fields.
7967 2010-01-27 Christian Bruel <christian.bruel@st.com>
7971 * config/sh/sh.c (find_barrier): Increase length for non delayed
7972 conditional branches.
7974 2010-01-27 Matthias Klose <doko@ubuntu.com>
7976 * configure.ac (gnu-unique-object): Fix ldd version check.
7977 * configure: Regenerate.
7979 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7981 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7983 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7984 Test for HAVE_GNU_AS value.
7986 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7988 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7989 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7990 INT64_TYPE): Define.
7991 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7992 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7993 INT_LEAST64_TYPE): Define.
7994 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7995 UINT_LEAST64_TYPE): Define.
7996 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7997 INT_FAST64_TYPE): Define.
7998 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7999 UINT_FAST64_TYPE): Define.
8000 (INTMAX_TYPE, UINTMAX_TYPE): Define.
8001 (INTPTR_TYPE, UINTPTR_TYPE): Define.
8002 (SIG_ATOMIC_TYPE): Define.
8004 2010-01-26 Richard Guenther <rguenther@suse.de>
8006 * df-scan.c (df_scan_set_bb_info): Remove assert.
8007 (df_insn_rescan_debug_internal): Merge asserts.
8008 (df_install_ref): Likewise.
8009 (df_mark_reg): Use bitmap_set_range.
8010 (df_hard_reg_used_p): Remove assert.
8011 (df_hard_reg_used_count): Likewise.
8013 2010-01-26 Richard Guenther <rguenther@suse.de>
8015 PR rtl-optimization/42685
8016 * web.c (web_main): Ignore DEBUG_INSNs.
8018 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
8020 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
8022 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
8023 Fix types of fndecl and arglist parameters.
8025 2010-01-26 Richard Guenther <rguenther@suse.de>
8028 * tree-eh.c (unsplit_eh): Skip debug insns.
8030 2010-01-26 Richard Guenther <rguenther@suse.de>
8032 PR tree-optimization/42250
8033 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
8035 2010-01-26 Jakub Jelinek <jakub@redhat.com>
8038 * omp-low.c (expand_omp_sections): Only use single_pred if
8039 l2_bb is single_pred_p.
8041 2010-01-25 Christian Bruel <christian.bruel@st.com>
8044 * config/sh/sh.c (find_barrier): Increase length for non delayed
8045 conditional branches.
8046 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
8048 2010-01-24 David S. Miller <davem@davemloft.net>
8050 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
8051 define if not using GAS.
8052 * config/sparc/sparc.c (sparc_elf_asm_named_section):
8053 Likewise. Delete SECTION_MERGE code, which is only applicable
8056 2010-01-24 Mark Mitchell <mark@codesourcery.com>
8059 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
8060 mangling of va_list in system headers.
8062 2010-01-23 Toon Moene <toon@moene.org>
8064 * tree-predcom.c (combine_chains): Return NULL, not false.
8066 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
8068 * tree-loop-distribution.c (distribute_loop): Fix declaration and
8069 initialization of variable res to agree with return type.
8071 2010-01-22 Steve Ellcey <sje@cup.hp.com>
8073 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
8074 * tree-sra.c: Add include of expr.h.
8076 2010-01-22 Jakub Jelinek <jakub@redhat.com>
8078 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
8079 insert the debug stmt on the single non-EH edge from the stmt.
8081 2010-01-22 Richard Henderson <rth@redhat.com>
8084 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
8085 the RHS until after generate_subtree_copies has insertted its
8086 code before the current statement.
8088 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
8090 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
8092 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
8094 2010-01-21 Martin Jambor <mjambor@suse.cz>
8096 PR tree-optimization/42585
8097 * tree-sra.c (struct access): New field grp_total_scalarization.
8098 (dump_access): Dump the new field.
8099 (should_scalarize_away_bitmap): New variable.
8100 (cannot_scalarize_away_bitmap): Likewise.
8101 (sra_initialize): Allocate new bitmaps.
8102 (sra_deinitialize): Free new bitmaps.
8103 (create_access_1): New function.
8104 (create_access): Parts moved to create_access_1.
8105 (type_consists_of_records_p): New function.
8106 (completely_scalarize_record): Likewise.
8107 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
8108 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
8109 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
8111 (analyze_all_variable_accesses): Completely scalarize small eligible
8114 2010-01-21 Martin Jambor <mjambor@suse.cz>
8116 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
8118 2010-01-21 Andrew Haley <aph@redhat.com>
8120 * gcc.c (process_command): Move lang_specific_driver before
8121 setting cc_libexec_prefix.
8123 2010-01-21 Richard Guenther <rguenther@suse.de>
8126 * fold-const.c (negate_expr_p): Pretend only negative
8127 real constants are easily negatable.
8129 2010-01-20 Janis Johnson <janis187@us.ibm.com>
8130 Jason Merrill <jason@redhat.com>
8132 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
8133 (TYPE_TRANSPARENT_AGGR): this, for union and record.
8134 * calls.c (initialize argument_information): Handle it.
8135 * c-common.c (handle_transparent_union_attribute): Use new name.
8136 * c-decl.c (finish_struct): Ditto.
8137 * c-typeck.c (type_lists_compatible_p): Ditto.
8138 (convert_for_assignment): Use new name and also handle record.
8139 * function.c (aggregate_value_p): Handle it.
8140 (pass_by_reference): Ditto.
8141 (assign_parm_data_types): Ditto.
8142 * print-tree.c (print_node): Ditto.
8143 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
8144 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
8145 * tree.c (first_field): New fn.
8147 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
8150 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
8151 even when linking statically, for now.
8153 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8156 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
8157 without a cselib val.
8158 (count_uses): Accept MO_VAL_SET with no val on stores.
8159 (add_stores): Likewise.
8161 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8163 * var-tracking.c (check_value_val): Add a compile time assertion.
8164 (dv_is_decl_p): Simplify.
8165 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
8166 gcc_assert if ENABLE_CHECKING.
8168 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8171 * var-tracking.c: Include tree-flow.h.
8172 (mem_dies_at_call): New.
8173 (dataflow_set_preserve_mem_locs): Use it.
8174 (dataflow_set_remove_mem_locs): Likewise.
8175 (dump_var): Renamed from dump_variable. Adjust all callers.
8176 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
8177 * Makefile.in (var-tracking.o): Adjust deps.
8179 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
8181 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
8183 2010-01-20 Richard Guenther <rguenther@suse.de>
8185 PR tree-optimization/42717
8186 * tree-ssa-dce.c (get_live_post_dom): Remove.
8187 (forward_edge_to_pdom): Take an arbitrary edge to copy
8188 degenerate PHI args from.
8189 (remove_dead_stmt): Use the first post-dominator even if it
8190 does not contain live statements as redirection destination.
8192 2010-01-20 Richard Guenther <rguenther@suse.de>
8194 * tree-inline.c (estimate_num_insns): Handle EH builtins.
8196 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8198 * sel-sched.c (create_speculation_check): Remove set but not used
8200 (try_transformation_cache): Remove set but not used variable ds.
8201 (calculate_privileged_insns): Remove set but not used variables
8202 cur_insn and min_spec_insn.
8203 (find_best_expr): Remove set but not used variable avail_n.
8204 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
8206 * cgraphunit.c (assemble_thunk): Remove set but not used variable
8208 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
8209 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
8212 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
8215 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
8216 cpu types. Add support for *-sse3 cpu types.
8217 (x86_64-*-*): Ditto.
8219 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8222 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
8223 argument, call initializer_constant_valid_p_1 instead of
8224 initializer_constant_valid_p, pass CACHE to it, return NULL
8225 immediately if first call returns NULL.
8226 (initializer_constant_valid_p_1): New function.
8227 (initializer_constant_valid_p): Use it.
8229 2010-01-20 Thomas Quinot <quinot@adacore.com>
8231 * tree.def (PLACEHOLDER_EXPR): Fix comment.
8233 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8235 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
8236 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
8237 (loc_list_from_tree): Don't handle unsigned division. Handle
8238 signed modulo using DW_OP_{over,over,div,mul,minus}.
8239 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
8240 modulo instead of signed.
8242 2010-01-20 DJ Delorie <dj@redhat.com>
8244 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
8246 (h8300_emit_stack_adjustment): Propogate it.
8248 (h8300_expand_prologue): Likewise.
8249 (h8300_expand_epilogue): Likewise.
8251 2010-01-19 Michael Matz <matz@suse.de>
8253 PR tree-optimization/41783
8254 * tree-data-ref.c (toplevel): Include flags.h.
8255 (dump_data_dependence_relation): Also dump the inputs if the
8256 result will be unknown.
8257 (split_constant_offset_1): Look through some conversions.
8258 * tree-predcom.c (determine_roots_comp): Restart a new chain if
8259 the offset from last element is too large.
8260 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
8261 (reassociate_to_the_same_stmt): Handle vector registers.
8262 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
8264 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
8265 wide_prolog_niters argument, emit widening instructions.
8266 (vect_do_peeling_for_alignment): Adjust caller, use widened
8267 variant of the iteration cound.
8268 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
8270 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
8273 * config/arm/neon-testgen.m (emit_automatics): New parameter
8274 features. Adjust for Fixed_return_reg feature.
8275 (test_intrinsic): Call emit_automatics with new feature.
8276 * config/arm/neon.ml: Update copyright years.
8277 (features): New Fixed_return_reg feature.
8278 (ops): Update feature for Vget_low.
8280 2010-01-19 Jakub Jelinek <jakub@redhat.com>
8282 PR tree-optimization/42719
8283 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
8287 * fwprop.c (all_uses_available_at): Return false if def_set dest
8288 is a REG that is used in def_insn.
8290 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
8292 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
8294 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
8297 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
8299 * target.h (struct gcc_target) <secondary_reload>: Change type
8300 of last argument to secondary_reload_info *.
8302 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
8305 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
8306 memory references with unaligned offsets. Remove CQImode handling.
8307 (unaligned_memory_operand): Return 1 for memory references with
8308 unaligned offsets. Remove CQImode handling.
8310 2010-01-18 Richard Guenther <rguenther@suse.de>
8313 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
8316 2010-01-18 Richard Guenther <rguenther@suse.de>
8318 PR tree-optimization/42781
8319 * tree-ssa-structalias.c (find_what_var_points_to): Skip
8320 restrict processing only if the original variable was artificial.
8322 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
8324 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
8325 find number of popped argument bytes.
8327 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
8328 Fix the text that describes the return value for invalid insns.
8330 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
8332 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
8333 Clarify what 'cost of the -dependence' is. Fix quoting.
8335 * toplev.c (default_get_pch_validity): Rename argument to "sz".
8336 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
8338 2010-01-17 Jakub Jelinek <jakub@redhat.com>
8340 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
8341 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
8343 2010-01-17 Richard Guenther <rguenther@suse.de>
8346 * function.c (split_complex_args): Take a VEC to modify.
8347 (assign_parms_augmented_arg_list): Build a VEC instead of
8348 a chain of PARM_DECLs.
8349 (assign_parms_unsplit_complex): Take a VEC of arguments.
8350 Do not fixup unmodified parms.
8351 (assign_parms): Deal with the VEC.
8352 (gimplify_parameters): Likewise.
8354 2010-01-17 Richard Guenther <rguenther@suse.de>
8356 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
8357 node existence check.
8358 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
8359 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
8360 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
8361 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
8362 (gimple_execute_on_growing_pred): Likewise.
8364 2010-01-17 Richard Guenther <rguenther@suse.de>
8366 PR tree-optimization/42773
8367 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
8368 (compute_antic_aux): Likewise.
8369 (compute_partial_antic_aux): Likewise.
8371 2010-01-17 Jie Zhang <jie.zhang@analog.com>
8374 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
8377 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
8379 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
8382 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
8383 Fix markup for strict argument.
8385 (TARGET_SCHED_REORDER2): Fix argument types.
8387 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
8388 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
8390 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
8391 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
8393 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
8396 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
8397 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
8398 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
8399 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
8400 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
8402 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
8404 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
8406 (TARGET_ASM_RELOC_RW_MASK): Add return type.
8407 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
8409 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
8411 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
8414 (TARGET_ASM_NAMED_SECTION): Fix argument list.
8416 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
8417 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
8419 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
8421 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
8423 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
8424 referring to it. Fix language.
8426 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
8428 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
8430 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
8432 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
8434 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
8435 '@var{stream}. Remove stray 'and'.
8437 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
8439 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
8441 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
8443 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
8444 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
8446 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
8447 Fix description of return value.
8448 Rename argument "sz" to "len."
8450 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
8451 Clarify meaning of 'true' return value.
8453 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
8455 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
8456 rep_mode versus mode_rep.
8458 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
8460 (TARGET_BUILTIN_DECL): Fix name.
8462 (TARGET_COMMUTATIVE_P): Fix type of first argument.
8464 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
8466 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
8468 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
8470 (TARGET_RELAXED_ORDERING): Use @deftypevr.
8472 (TARGET_GET_DRAP_RTX): Note that this is a hook.
8475 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
8476 Rename argument tm_fn to md_fn.
8478 (TARGET_OPTION_PRINT): Fix argument list.
8480 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
8483 * config/i386/i386.c (ix86_fixup_binary_operands):
8484 Revert FMA4 fixup of operands.
8486 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8489 * Makefile.in (write_entries_to_file, install-plugin):
8490 Use \012 instead of \n with tr.
8492 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
8494 * configure.ac (HAVE_AS_REF): New C macro.
8495 * configure: Regenerate.
8496 * config.in: Likewise.
8497 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
8499 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
8502 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
8504 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
8506 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
8508 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
8510 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
8512 (TARGET_IN_SMALL_DATA_P): Fix argument type.
8514 (TARGET_BINDS_LOCAL_P): Fix argument type.
8516 (TARGET_ASM_FILE_END): Use prototype.
8518 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
8520 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
8522 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
8524 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
8526 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
8527 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
8529 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
8530 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
8532 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
8533 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
8534 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
8535 (TARGET_ADDR_SPACE_CONVERT): Likewise.
8537 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
8539 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
8541 (TARGET_INIT_BUILTINS): Use prototype.
8543 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
8544 Put 'const char *' in braces. Fix parameter types.
8545 (TARGET_INVALID_CONVERSION): Fix parameter types.
8546 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
8547 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
8549 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
8552 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
8554 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
8556 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
8558 * doc/tm.texi (TARGET_HELP): Fix return type.
8560 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
8561 in braces. Fix argument types.
8563 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
8565 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
8567 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
8569 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
8570 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
8572 (TARGET_MANGLE_TYPE): Fix argument types.
8574 (TARGET_IRA_COVER_CLASSES): Use prototype.
8576 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
8578 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
8580 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
8582 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
8584 (TARGET_CALLEE_COPIES): Fix argument types.
8586 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
8588 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
8590 (TARGET_FUNCTION_VALUE): Fix argument types.
8592 (TARGET_RETURN_IN_MSB): Fix argument type.
8594 (TARGET_RETURN_IN_MEMORY): Fix argument types.
8596 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
8598 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
8600 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
8601 agree with return type.
8603 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
8605 2010-01-15 Jing Yu <jingyu@google.com>
8607 PR rtl-optimization/42691
8608 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
8609 a pseudo to a constant and are merged, and adjust comments.
8611 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
8613 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
8615 2010-01-15 Richard Guenther <rguenther@suse.de>
8618 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
8619 labels of computed or non-local gotos to the destination.
8620 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
8621 landing pad label is the first label.
8623 2010-01-15 Richard Guenther <rguenther@suse.de>
8625 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
8627 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8630 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
8631 to allow generation of the xssqrtdp instruction on power7.
8632 (sqrtdf2_fpr): Ditto.
8634 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8637 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
8638 functions with noreturn attribute.
8641 * varasm.c (declare_weak): Add weak attribute to decl if it
8642 doesn't have one already.
8643 (assemble_external): Only add decls to weak_decls if they also
8644 have weak attribute.
8646 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
8648 * var-tracking.c (var_reg_delete): Don't delete the association
8649 between REGs and values or one-part variables if the register
8652 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8655 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
8656 because its first operand is a non-localized variable.
8658 2010-01-14 Martin Jambor <mjambor@suse.cz>
8660 PR tree-optimization/42706
8661 * tree-sra.c (encountered_recursive_call): New variable.
8662 (encountered_unchangable_recursive_call): Likewise.
8663 (sra_initialize): Initialize both new variables.
8664 (callsite_has_enough_arguments_p): New function.
8665 (scan_function): Call decl and flags check only for IPA-SRA, check
8666 whether there is a recursive call and whether it has enough arguments.
8667 (all_callers_have_enough_arguments_p): New function.
8668 (convert_callers): Look for recursive calls only when
8669 encountered_recursive_call is set.
8670 (ipa_early_sra): Bail out either if
8671 !all_callers_have_enough_arguments_p or
8672 encountered_unchangable_recursive_call.
8674 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8676 * sel-sched.c: Add 2010 to copyright years.
8677 * sel-sched-ir.c: Likewise.
8678 * sel-sched-ir.h: Likewise.
8680 2010-01-14 Martin Jambor <mjambor@suse.cz>
8682 PR tree-optimization/42714
8683 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
8684 constructors specially.
8686 2010-01-14 Andi Kleen <ak@linux.intel.com>
8688 * config/i386/drivers-i386.c (detect_caches_intel):
8689 Add l2sizekb parameter and fill in.
8690 (host_detect_local_cpu): Add l2sizekb, fill in.
8691 Add Atom small cache heuristic.
8693 2010-01-14 Andi Kleen <ak@linux.intel.com>
8695 * config/i386/drivers-i386.c (detect_caches_cpuid4):
8696 Add level3 parameter and fill in.
8697 (detect_caches_intel): Handle level3 cache.
8699 2010-01-14 Andi Kleen <ak@linux.intel.com>
8701 * config/i386/drivers-i386.c (host_detect_local_cpu):
8702 Fix core duo detection.
8704 2010-01-14 Andi Kleen <ak@linux.intel.com>
8706 * config/i386/drivers-i386.c (host_detect_local_cpu):
8709 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8711 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
8712 (rs6000_variable_issue_1): this. Use...
8713 (rs6000_variable_issue): here. Reimplement. Print debug info.
8715 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8717 * sel-sched-ir.c (sel_restore_other_notes): Rename to
8718 sel_restore_notes. Update all callers. Call reemit_notes
8721 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8723 PR rtl-optimization/42246
8724 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
8727 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8729 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
8730 all successors is the same as number of successors in current region.
8732 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8734 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
8735 to rename is not separable. Otherwise check that its LHS is not NULL.
8737 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8739 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
8741 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8743 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
8744 available registers when failed to discover LHS register class.
8745 Fix indentation. Update comment.
8747 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8748 Alexander Monakov <amonakov@ispras.ru>
8750 PR rtl-optimization/42389
8751 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
8753 (advance_state_on_fence): Likewise.
8754 (sel_target_adjust_priority): Print debug output only when
8755 sched_verbose >= 4, not 2.
8756 (get_expr_cost): Do not issue all unique insns on the next cycle.
8757 (fill_insns): Initialize can_issue_more from the value saved
8759 * sel-sched-ir.c (flist_add): New parameter issue_more.
8760 Init FENCE_ISSUE_MORE with it.
8761 (merge_fences): Likewise.
8762 (init_fences): Update call to flist_add.
8763 (add_to_fences, add_clean_fence_to_fences)
8764 (add_dirty_fence_to_fences): Likewise.
8765 (move_fence_to_fences): Update call to merge_fences.
8766 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
8768 * sel-sched-ir.h (struct _fence): New field issue_more.
8769 (FENCE_ISSUE_MORE): New accessor macro.
8771 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8773 PR rtl-optimization/42388
8774 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
8775 that have no predecessors nor successors. Do not call move_bb_info
8776 for empty blocks outside of current region.
8778 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8780 PR rtl-optimization/42294
8781 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
8782 * sel-sched.c (move_exprs_to_boundary): Transitively add all
8783 originators' originators.
8785 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8787 PR rtl-optimization/39453
8788 PR rtl-optimization/42246
8789 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
8791 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
8793 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8794 Alexander Monakov <amonakov@ispras.ru>
8797 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
8798 (maybe_tidy_empty_bb): ... here. Make static. Add new
8799 argument. Update all callers.
8800 (tidy_control_flow): ... and here. Recompute topological order
8801 of basic blocks in region if necessary.
8802 (sel_redirect_edge_and_branch): Change return type. Return true
8803 if topological order might have been invalidated.
8804 (purge_empty_blocks): Export and move from...
8805 * sel-sched.c (purge_empty_blocks): ... here.
8806 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
8807 (maybe_tidy_empty_bb): Delete prototype.
8808 (purge_empty_blocks): Declare.
8810 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8812 PR rtl-optimization/42249
8813 * sel-sched.c (try_replace_dest_reg): When chosen register
8814 and original register is the same, do not bail out early, but
8815 still check all original insns for validity of replacing destination
8816 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
8819 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8822 Port from no-undefined-overflow branch:
8823 2009-03-09 Richard Guenther <rguenther@suse.de>
8825 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
8827 2010-01-14 Richard Guenther <rguenther@suse.de>
8830 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
8832 2010-01-14 Ira Rosen <irar@il.ibm.com>
8834 PR tree-optimization/42709
8835 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
8836 as scalar type in creation of constant vector operand.
8838 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8841 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
8842 (check-parallel-%): Match `testsuite' directory component only
8845 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
8847 PR translation/39521
8848 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
8851 2010-01-13 Richard Guenther <rguenther@suse.de>
8853 PR tree-optimization/42730
8854 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
8857 2010-01-13 Steve Ellcey <sje@cup.hp.com>
8860 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
8861 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
8864 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
8866 * config/bfin/libgcc-bfin.ver: Regenerate based on current
8867 libgcc-std.ver. Add entries for ___smulsi3_highpart and
8868 ___umulsi3_highpart.
8870 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
8871 rather than schedule_insns if the pass is enabled.
8873 2010-01-13 Martin Jambor <mjambor@suse.cz>
8875 PR tree-optimization/42704
8876 * tree-sra.c (sra_modify_assign): Do not delete assignments to
8879 2010-01-13 Martin Jambor <mjambor@suse.cz>
8881 PR tree-optimization/42703
8882 * tree-sra.c (analyze_access_subtree): Check that we can build a
8883 reference to the original data within the aggregate.
8885 2010-01-13 Richard Guenther <rguenther@suse.de>
8887 PR tree-optimization/42705
8888 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
8890 2010-01-13 Richard Guenther <rguenther@suse.de>
8893 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
8895 2010-01-13 Jakub Jelinek <jakub@redhat.com>
8898 * var-tracking.c (values_to_unmark): New variable.
8899 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8900 values_to_unmark vector. Moved body to...
8901 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
8902 instead queue it into values_to_unmark vector.
8903 (vt_find_locations): Free values_to_unmark vector.
8905 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
8907 * config/s390/s390.c (override_options): Set
8908 default of max-pending-list-length to 256
8910 2010-01-13 Richard Guenther <rguenther@suse.de>
8913 * tree-pass.h (PROP_gimple_lcx): New.
8914 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
8915 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
8916 before the final cleanup_eh.
8917 (dump_properties): Dump PROP_gimple_lcx.
8918 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
8919 (tree_lower_complex_O0): Remove.
8920 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
8921 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
8922 tree_lower_complex, schedule TODO_update_ssa.
8923 * lto-streamer-out.c (output_function): Stream the functions
8925 * lto-streamer-in.c (input_function): Likewise.
8926 (lto_read_body): Do not override them here.
8928 2010-01-12 Joseph Myers <joseph@codesourcery.com>
8931 * c-typeck.c (build_c_cast): Fold value cast to union type before
8932 wrapping it in a CONSTRUCTOR.
8934 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8936 PR rtl-optimization/42699
8937 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8940 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8942 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8943 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8944 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8945 SUBTARGET_WARN_UNUSED_SPEC): ... here
8946 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8948 2010-01-12 Julian Brown <julian@codesourcery.com>
8950 * config/arm/neon-schedgen.ml (Utils): Don't try to
8951 open missing module.
8952 (find_with_result): New.
8954 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8957 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8958 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8960 PR tree-optimization/42645
8961 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8962 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8963 decl_map, set processing_debug_stmt to -1 and return name without
8966 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8968 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8969 binutils version, and reword target configuration description.
8971 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8973 * config/avr/avr.h (LINKER_NAME): Remove.
8975 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8978 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8979 that support VSX, warn for -mno-altivec if vsx is not disabled,
8982 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8983 Shujing Zhao <pearly.zhao@oracle.com>
8985 PR translation/42469
8986 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8987 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8988 character between option name and help text.
8989 * c.opt (imultilib): Likewise.
8991 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8993 * lto-streamer-out.c (output_unreferenced_globals): Output static
8996 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8998 PR rtl-optimization/42621
8999 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
9000 optimizing for size.
9001 (duplicate_computed_gotos): Remove now-redundant check.
9003 2010-01-10 Steve Ellcey <sje@cup.hp.com>
9006 * configure.ac: Save and restore LDFLAGS and LIBS
9007 * configure: Regenerate.
9009 2010-01-10 Richard Guenther <rguenther@suse.de>
9012 * builtins.c (fold_builtin_strlen): Add type argument and
9013 convert the resulting length to it.
9014 (fold_builtin_1): Adjust.
9016 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9018 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
9019 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
9021 (num_insns_constant_wide): Adjust for that change.
9023 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9026 * web.c (union_defs): Add used argument, to combine uses of
9028 (entry_register): Adjust type and tests of used argument.
9029 (web_main): Widen used for new use. Pass it to union_defs.
9030 * df.h (union_defs): Adjust prototype.
9032 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9035 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
9036 uses in new incoming argument. Free body.
9037 (reset_debug_uses_in_loop): New.
9038 (analyze_insn_to_expand_var): Call the latter if the former found
9039 anything. Fix whitespace. Reject invalid dest overlaps before
9040 going through all insns in the loop.
9042 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9045 * haifa-sched.c (dying_use_p): Debug insns don't count.
9047 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9050 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
9051 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
9052 (verify_gimple_call): Reject LHS in noreturn calls.
9054 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9058 * tree-vect-loop-manip.c (adjust_info): New type.
9059 (adjust_vec): New pointer to vector.
9060 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
9061 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
9062 (slpeel_update_phis_for_duplicate_loop): Use them.
9063 (slpeel_update_phi_nodes_for_guard1): Likewise.
9064 (slpeel_update_phi_nodes_for_guard2): Likewise.
9065 (slpeel_tree_peel_loop_to_edge): Likewise.
9066 (vect_update_ivs_after_vectorizer): Likewise.
9068 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9070 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
9071 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
9073 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9075 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
9076 bogus uninitialized warning.
9078 2010-01-09 Richard Guenther <rguenther@suse.de>
9081 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
9082 the evolution is compatible with the initial condition.
9084 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9086 * gcc.c (process_command): Update copyright notice dates.
9087 * gcov.c (print_version): Likewise.
9088 * gcov-dump.c (print_version): Likewise.
9089 * mips-tfile.c (main): Likewise.
9090 * mips-tdump.c (main): Likewise.
9092 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9095 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
9097 (rotlhi3_8): Delete.
9099 (rotlsi3_8): Delete.
9100 (rotlsi3_16): Delete.
9101 (rotlsi3_24): Delete.
9103 (*rotw<mode>3): New.
9104 (*rotb<mode>3): New.
9105 * config/avr/avr.c (avr_rotate_bytes): New function.
9106 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
9108 2010-01-08 Steve Ellcey <sje@cup.hp.com>
9111 * configure.ac: Modify -rdynamic check.
9112 * configure: Regenerate.
9114 2010-01-08 DJ Delorie <dj@redhat.com>
9116 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
9117 register popping order.
9119 2010-01-08 Richard Guenther <rguenther@suse.de>
9122 * c.opt (fsigned-char): Also let LTO handle this option.
9123 (funsigned-char): Likewise.
9125 2010-01-07 Richard Guenther <rguenther@suse.de>
9127 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
9128 (gimple_op): Likewise.
9129 (gimple_op_ptr): Likewise.
9130 (gimple_assign_set_lhs): Remove gcc_assert.
9131 (gimple_assign_set_rhs1): Likewise.
9132 (gimple_assign_set_rhs2): Likewise.
9133 (gimple_call_set_lhs): Likewise.
9134 (gimple_call_set_fn): Likewise.
9135 (gimple_call_set_fndecl): Likewise.
9136 (gimple_call_fndecl): Likewise.
9137 (gimple_call_return_type): Likewise.
9138 (gimple_call_set_chain): Likewise.
9139 (gimple_call_num_args): Likewise.
9140 (gimple_call_set_arg): Likewise.
9141 (gimple_cond_set_code): Likewise.
9142 (gimple_cond_set_lhs): Likewise.
9143 (gimple_cond_set_rhs): Likewise.
9144 (gimple_cond_set_true_label): Likewise.
9145 (gimple_cond_set_false_label): Likewise.
9146 (gimple_label_set_label): Likewise.
9147 (gimple_goto_set_dest): Likewise.
9148 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
9149 (gimple_debug_bind_get_value): Likewise.
9150 (gimple_debug_bind_get_value_ptr): Likewise.
9151 (gimple_debug_bind_set_var): Likewise.
9152 (gimple_debug_bind_set_value): Likewise.
9153 (gimple_debug_bind_reset_value): Likewise.
9154 (gimple_debug_bind_has_value_p): Likewise.
9155 (gimple_return_retval_ptr): Remove gcc_assert.
9156 (gimple_return_retval): Likewise.
9157 (gimple_return_set_retval): Likewise.
9158 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
9159 (safe_referenced_var_iterator): Remove.
9160 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
9161 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
9162 (fill_referenced_var_vec): Remove.
9163 (first_readonly_imm_use): Remove redundant gcc_assert.
9164 (phi_arg_index_from_use): Combine gcc_asserts.
9165 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
9166 (first_imm_use_stmt): Remove redundant gcc_assert.
9167 * tree-cfg.c (verify_gimple_call): Verify function and chain
9168 operands. Verify arguments.
9169 (verify_types_in_gimple_stmt): Verify condition code and labels.
9171 2010-01-07 Richard Guenther <rguenther@suse.de>
9173 PR tree-optimization/42641
9174 * sese.c (rename_map_elt_info): Use the SSA name version, do
9177 2010-01-07 Jakub Jelinek <jakub@redhat.com>
9179 PR tree-optimization/42625
9180 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
9181 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
9183 2010-01-07 Duncan Sands <baldrick@free.fr>
9185 * Makefile.in (PLUGIN_HEADERS): Add version.h.
9187 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
9190 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
9191 note itself is not function_invariant_p.
9193 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
9195 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
9196 Do not add the DF_NOTE problem.
9197 * store-motion.c (execute_rtl_store_motion): Likewise.
9199 2010-01-07 Martin Jambor <mjambor@suse.cz>
9201 PR tree-optimization/42157
9202 * tree-sra.c (compare_access_positions): Stabilize sort if both
9203 accesses have integer types, return zero immediately if they are the
9206 2010-01-06 Richard Henderson <rth@redhat.com>
9209 * haifa-sched.c (add_to_note_list): Merge into ...
9210 (concat_note_lists): ... here, and ...
9211 (unlink_other_notes, rm_other_notes): Merge into...
9212 (remove_notes): ... here. Create REG_SAVE_NOTEs for
9213 NOTE_INSN_EPILOGUE_BEG.
9215 2010-01-06 Richard Guenther <rguenther@suse.de>
9217 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
9218 not inline regular functions into always-inline functions.
9220 2010-01-06 Nick Clifton <nickc@redhat.com>
9222 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
9223 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
9225 (OVERRIDE_OPTIONS): Delete.
9226 (OPTIMIZATION_OPTIONS): Define.
9227 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
9228 * config/rx/rx.c (rx_handle_option): Issue an error message if
9229 -mcpu=rx200 and -fpu are used together.
9230 (rx_set_optimization_options): New function. Issue an error
9231 message if an optimization attribute attempts to reset the FPU/
9232 math optimization pairing.
9233 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
9234 * config/rx/rx.opt: Set the default to 32-bit doubles.
9235 * config/rx/t-rx: Add multilibs for -nofpu option.
9236 * doc/invoke.texi: Update documentation of RX options.
9238 2010-01-06 Richard Guenther <rguenther@suse.de>
9240 * tree-ssa-pre.c (name_to_id): New global.
9241 (alloc_expression_id): Simplify SSA name handling.
9242 (lookup_expression_id): Likewise.
9243 (init_pre): Zero name_to_id.
9244 (fini_pre): Free it.
9246 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
9248 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
9250 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
9253 * config/i386/sse.md (smaxv2di3): New.
9254 (umaxv2di3): Likewise.
9255 (sminv2di3): Likewise.
9256 (uminv2di3): Likewise.
9258 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
9261 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
9262 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
9263 (legitimize_tls_address): Likewise.
9264 (sparc_tls_referenced_p): Likewise.
9265 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
9266 and adjust calls to legitimize_pic_address.
9267 (legitimate_constant_p) Use sparc_tls_referenced_p.
9268 (legitimate_pic_operand_p): Likewise.
9269 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
9270 (sparc_tls_symbol_ref_1): Delete.
9271 (sparc_tls_referenced_p): Make static, recognize specific patterns.
9272 (legitimize_tls_address): Make static, handle CONST patterns.
9273 (legitimize_pic_address): Make static, remove unused parameter and
9274 adjust recursive calls.
9275 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
9276 and adjust call to legitimize_pic_address.
9277 (sparc_output_mi_thunk): Likewise.
9279 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
9280 H.J. Lu <hongjiu.lu@intel.com>
9283 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
9284 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
9285 operands to make them signed.
9288 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9291 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9292 GTU to GT for V4SI and V2DI.
9294 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9295 (umin<mode>3): Removed.
9297 (uminv4si3): Likewise.
9299 2010-01-05 Martin Jambor <mjambor@suse.cz>
9301 PR tree-optimization/42462
9302 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
9303 current_function_decl to helper functions and macros.
9305 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9308 * flags.h: Don't include real.h.
9309 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
9310 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
9311 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
9312 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
9313 * dominance.c: Update copyright.
9314 * gimple.c (walk_gimple_op): Remove inline.
9315 * tree-ssa-reassoc.c: Include real.h.
9316 * Makefile.in (FLAGS_H): Remove $(REAL_H).
9317 (tree-ssa-reassoc.o): Depend on $(REAL_H).
9319 2010-01-05 Nick Clifton <nickc@redhat.com>
9321 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
9322 register to push into the stack frame when the accumulator has to
9323 be saved during interrupts.
9325 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
9327 * doc/invoke.texi: Remove the documentation about option
9329 * common.opt (Wunreachable-code): Preserved for backward
9331 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
9332 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
9333 the backward compatibility flag section.
9335 2010-01-05 Richard Guenther <rguenther@suse.de>
9337 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
9339 2010-01-05 Jakub Jelinek <jakub@redhat.com>
9342 * cfgexpand.c (expand_one_var): Diagnose too large variables.
9344 PR tree-optimization/42508
9345 * tree-sra.c (convert_callers): Check for recursive call
9346 by comparing cgraph nodes instead of decls.
9347 (modify_function): Call ipa_modify_formal_parameters also
9348 on all same_body aliases.
9350 * cgraphunit.c (cgraph_materialize_all_clones): Compare
9351 cgraph nodes when checking for same_body aliases.
9353 2010-01-05 Richard Guenther <rguenther@suse.de>
9355 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
9356 allocation and lookup.
9357 (get_or_alloc_expr_for_constant): Likewise.
9358 (phi_translate): Sink allocation.
9360 2010-01-04 Richard Guenther <rguenther@suse.de>
9362 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
9363 a new entry only if needed.
9364 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
9365 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
9367 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
9369 (phi_translate): Handle CONSTANTs early.
9371 2010-01-04 Martin Jambor <mjambor@suse.cz>
9373 PR tree-optimization/42398
9374 * tree-sra.c (struct access): Removed flag grp_different_types.
9375 (dump_access): Do not dump the removed flag.
9376 (sort_and_splice_var_accesses): Do not set the removed flag.
9377 (sra_modify_expr): Check for type compatibility directly.
9379 2010-01-04 Martin Jambor <mjambor@suse.cz>
9381 PR tree-optimization/42366
9382 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
9383 edges with variable number of parameters.
9384 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
9385 flag instead of asserting it.
9386 (ipa_read_node_info): Read uses_analysis_done flag.
9388 2010-01-04 Richard Guenther <rguenther@suse.de>
9390 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
9391 iterative_hash_* as intended.
9392 (vn_reference_compute_hash): Likewise. Simplify hashing
9394 (vn_reference_lookup_2): Likewise.
9395 (vn_nary_op_compute_hash): Likewise.
9396 (vn_phi_compute_hash): Likewise.
9397 (expressions_equal_p): Remove strange code.
9398 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
9399 (pre_expr_hash): Likewise. Simplify hashing SSA names.
9400 (bitmap_insert_into_set_1): Take value-id as parameter.
9401 (add_to_value): Pass it.
9402 (bitmap_insert_into_set): Likewise.
9403 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
9405 2010-01-04 Jakub Jelinek <jakub@redhat.com>
9408 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
9409 (do_self_spec): For switches with SWITCH_IGNORE set set also
9410 SWITCH_IGNORE_PERMANENTLY.
9411 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
9414 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
9416 * lto-streamer-out.c (output_unreferenced_globals): Output the full
9417 tree of an unreferenced global var.
9419 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9422 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9423 GTU to GT for V4SI and V2DI.
9425 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9426 (umin<mode>3): Removed.
9428 (uminv4si3): Likewise.
9430 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9433 * collect2.c (main): Turn on trace in collect2 if -v is passed
9436 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
9438 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
9439 description of expression operand.
9441 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
9443 * configure.ac: Add install-html to target_list for Make-hooks.
9444 * configure: Regenerate.
9445 * fortran/Make-lang.in (F95_HTMLFILES): New.
9446 (fortran.html): Use it.
9447 (fortran.install-html): New.
9448 * Makefile.in (install-html): Add lang.install-html.
9449 * java/Make-lang.in (JAVA_HTMLFILES): New.
9450 (java.html): Use it.
9451 (java.install-html): New.
9452 * objc/Make-lang.in (objc.install-html): New.
9453 * objcp/Make-lang.in (obj-c++.install-html): New.
9454 * cp/Make-lang.in (c++.install-html): New.
9455 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
9456 * lto/Make-lang.in (lto.install-html): New.
9458 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9461 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
9463 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
9465 PR rtl-optimization/41862
9466 * store-motion.c (store_killed_in_insn, compute_store_table,
9467 remove_reachable_equiv_notes, replace_store_insn,
9468 build_store_vectors): Ignore all DEBUG_INSNs.
9470 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9473 * common.opt: Add dumpdir.
9475 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
9477 (option_map): Add --dumpdir.
9479 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
9481 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
9483 * opts.c (decode_options): Try dump_dir_name first if
9484 dump_base_name isn't an absolute path.
9485 (common_handle_option): Handle OPT_dumpdir.
9487 * toplev.c (dump_dir_name): New.
9488 (print_switch_values): Also ignore -dumpdir.
9490 * toplev.h (dump_dir_name): New.
9492 2010-01-03 Richard Guenther <rguenther@suse.de>
9494 PR tree-optimization/42589
9495 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
9496 double-word expansion of bswap32.
9498 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
9500 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
9501 with BLOCK_FOR_INSN.
9502 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
9503 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
9504 noce_process_if_block): Likewise.
9505 * gcse.c (compute_local_properties, insert_expr_in_table,
9506 insert_set_in_table, canon_list_insert, find_avail_set,
9507 pre_insert_copy_insn): Likewise.
9509 * basic-block.h (BLOCK_NUM): Move from here...
9510 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
9512 2010-01-03 Richard Guenther <rguenther@suse.de>
9514 PR tree-optimization/42438
9515 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
9516 contains_may_not_return_call flag.
9517 (BB_MAY_NOTRETURN): New.
9518 (valid_in_sets): Trapping nary operations are not valid
9519 in blocks that may not return.
9520 (insert_into_preds_of_block): Remove check for trapping expressions.
9521 (compute_avail): Compute also BB_MAY_NOTRETURN.
9523 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
9525 * doc/invoke.texi: Add 2010 to copyright years.
9527 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
9529 * config/sparc/sparc.c: Fix formatting nits.
9531 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
9532 Alexander Monakov <amonakov@ispras.ru>
9534 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
9536 2010-01-02 Richard Guenther <rguenther@suse.de>
9539 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
9540 (simplify_switch_using_ranges): Mark to be removed edges
9543 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9545 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
9547 * collect2.c (scan_libraries): Add missing argument in call to
9550 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
9553 * config/alpha/predicates.md (aligned_memory_operand): Return false
9555 (unaligned_memory_operand): Return true for CQImode.
9556 * config/alpha/alpha.c (get_aligned_mem): Assert that location
9557 doesn not cross aligned SImode word boundary.
9559 2010-01-02 Anatoly Sokolov <aesok@post.ru>
9561 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
9563 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
9564 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
9566 2010-01-02 Richard Guenther <rguenther@suse.de>
9569 * toplev.c (compile_file): Emit LTO marker properly. Change
9571 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
9573 2010-01-01 Richard Guenther <rguenther@suse.de>
9576 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
9578 2010-01-01 Richard Guenther <rguenther@suse.de>
9581 * c-decl.c (grokdeclarator): For zero-size arrays force
9582 structural equality checks as layout_type does.
9584 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9586 * builtins.c: Update copyright to 2010.
9588 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9591 * lto-streamer-out.c (produce_asm): Revert the last change.
9592 (copy_function): Likewise.
9594 * lto-streamer.c (lto_get_section_name): Skip any leading
9597 2010-01-01 Richard Guenther <rguenther@suse.de>
9600 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
9604 Copyright (C) 2010 Free Software Foundation, Inc.
9606 Copying and distribution of this file, with or without modification,
9607 are permitted in any medium without royalty provided the copyright
9608 notice and this notice are preserved.