1 2010-05-17 Jakub Jelinek <jakub@redhat.com>
3 * lto-streamer-out.c (lto_output): Fix --enable-checking=release
6 2010-05-16 Jan Hubicka <jh@suse.cz>
8 * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
9 function body; do not check stdarg field of struct function.
11 2010-05-16 Jan Hubicka <jh@suse.cz>
13 * cgraph.c (dump_cgraph_node): Dump versionable flag.
14 * cgraph.h (cgraph_local_info): Add versionable flag.
15 * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
16 (ipcp_versionable_function_p): Use it.
17 * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
20 2010-05-16 Jan Hubicka <jh@suse.cz>
22 * cgraph.c (cgraph_clone_node): Take decl argument and insert
23 clone into hash when it is different from orig.
24 (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
25 * cgraph.h (cgraph_clone_node): Update prototype.
26 * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
27 (lto_cgraph_encoder_delete): Delete body map.
28 (lto_cgraph_encoder_size): Move to header.
29 (lto_cgraph_encoder_encode_body_p,
30 lto_set_cgraph_encoder_encode_body): New.
31 (lto_output_node): Do not take written_decls argument; output clone_of
33 (add_node_to): Add include_body_argument; call
34 lto_set_cgraph_encoder_encode_body on master of the clone.
35 (add_references): Update use of add_node_to.
36 (compute_ltrans_boundary): Likewise.
37 (output_cgraph): Do not create written_decls bitmap.
38 (input_node): Take nodes argument; stream in clone_of correctly.
39 (input_cgraph_1): Update use of input_node.
40 * lto-streamer-out.c (lto_output): Use encoder info to decide
41 what bodies to output.
42 * ipa-inline.c (cgraph_clone_inlined_nodes,
43 cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
44 * lto-streamer.h (lto_cgraph_encoder_d): Add body.
45 (lto_cgraph_encoder_size): Define here.
46 (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
49 2010-05-16 Richard Guenther <rguenther@suse.de>
51 * doc/invoke.texi (-fipa-struct-reorg): Do not mention
53 * ipa-type-escape.c (gate_type_escape_vars): Run when
54 -fipa-struct-reorg runs.
55 * opts.c (decode_options): Do not unset flag_ipa_type_escape.
56 * common.opt (fipa-type-escape): Remove.
58 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
60 * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
61 (decode_options): Likewise.
62 * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
64 2010-05-16 Jan Hubicka <jh@suse.cz>
66 * ipa.c (function_and_variable_visibility): Also bring local all
69 2010-05-16 Richard Guenther <rguenther@suse.de>
71 * alias.c (nonoverlapping_memrefs_p): Remove use of
72 IPA type-escape information.
74 2010-05-16 Joseph Myers <joseph@codesourcery.com>
76 * c-common.c (c_common_reswords): Add _Static_assert for C.
77 * c-parser.c (c_token_starts_declaration,
78 c_parser_next_token_starts_declaration,
79 c_parser_static_assert_declaration_no_semi,
80 c_parser_static_assert_declaration): New.
81 (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
82 Handle static assertions if static_assert_ok.
83 (c_parser_external_declaration, c_parser_declaration_or_fndef,
84 c_parser_compound_statement_nostart, c_parser_label,
85 c_parser_for_statement, c_parser_objc_methodprotolist,
86 c_parser_omp_for_loop): All callers of
87 c_parser_declaration_or_fndef changed.
88 (c_parser_struct_declaration): Handle static assertions.
89 (c_parser_compound_statement_nostart): Use
90 c_parser_next_token_starts_declaration and
91 c_token_starts_declaration to detect start of declarations.
92 (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
95 2010-05-16 Anatoly Sokolov <aesok@post.ru>
97 * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
98 LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
99 * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
100 TARGET_FUNCTION_VALUE_REGNO_P): Define.
101 (mmix_function_outgoing_value): Rename to...
102 (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
103 (mmix_function_value_regno_p): Make static.
104 (mmix_libcall_value): New function.
105 * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
106 mmix_function_value_regno_p): Remove declaration.
108 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
110 * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
111 BUILT_IN_ALLOCA if stack checking is enabled.
113 2010-05-16 Richard Guenther <rguenther@suse.de>
115 * var-tracking.c (vars_copy_1): Inline ...
116 (vars_copy): ... here. Use FOR_EACH_HTAB_ELEMENT.
117 (variable_union): Use FOR_EACH_HTAB_ELEMENT. Merge asserts.
118 (variable_merge_over_cur): Adjust. Merge asserts.
119 (variable_merge_over_src): Likewise.
120 (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
121 (variable_post_merge_new_vals): Merge asserts.
122 (variable_post_merge_perm_vals): Likewise.
123 (find_mem_expr_in_1pdv): Likewise.
124 (dataflow_set_different_value): Remove.
125 (onepart_variable_different_p): Merge asserts.
126 (variable_different_p): Likewise.
127 (dataflow_set_different_1): Inline ...
128 (dataflow_set_different): ... here. Use FOR_EACH_HTAB_ELEMENT.
129 (emit_notes_for_differences_1): Merge asserts.
131 2010-05-16 Richard Guenther <rguenther@suse.de>
133 * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
134 * optabs.c (libfunc_decl_hash): Likewise.
135 * varasm.c (emutls_decl): Likewise.
137 2010-05-16 Steven Bosscher <steven@gcc.gnu.org>
139 * c-decl.c: Don't include gimple.h.
140 (merge_decls): Do not copy gimple_body.
142 2010-05-15 Jason Merrill <jason@redhat.com>
144 * c.opt: Add -fnothrow-opt.
146 2010-05-15 Jan Hubicka <jh@suse.cz>
148 * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
150 * passes.c (ipa_write_summaries): Write all analyzed nodes.
152 2010-05-15 Steven Bosscher <steven@gcc.gnu.org>
154 * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
155 * Makefile.in: Add it.
156 Fix all other Makefile dependencies for changes below.
157 * tree.h: Include it instead of defining VEC primitives here.
158 * gimple.h: Likewise.
160 * tree-inline.h: Inlclude vecir.h instead of gimple.h.
161 * except.h: Include vecir.h, break dependence on tree.h.
163 * gimplify.c (append_to_statement_list_1, append_to_statement_list):
165 * tree-iterator.c: ...to here.
166 * tree-iterator.h: Fix file introduction comment. Add extern markers.
168 * c-lex.c: Include fixed-value.h instead of rtl.h. Do not include
170 * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
171 * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
172 integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
173 tree-mudflap.h, and target.h.
174 * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
175 predict.h, tree-inline.h, gimple.h, and langhooks.h.
176 * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
177 Add FIXME for why gimple.h is still included (should be unnecessary
178 since GCC 4.5 gimplification unit-at-a-time).
179 * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
180 * c-pragma.c: Add FIXME for why function.h needs to be included just
181 for cfun, at front-end level.
182 Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
183 Do not include ggc.h, but include vecprim.h for VEC(char).
184 * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
185 Explain why target.h is included.
186 * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
187 Explain why gimple.h is included.
188 * c-ppoutput.c: Do not include tm.h.
189 * c-common.c: Do not include gimple.h. Explain why expr.h is included.
190 * c-parses.c: Explain why rtl.h is included, and that this (and only
191 this) is also why tm.h must be included.
192 Do not include except.h.
193 * c-lang.c: Do not include ggc.h.
195 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
197 * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
199 2010-05-15 Joseph Myers <joseph@codesourcery.com>
201 * c-decl.c (grokfield): Allow typedefs for anonymous structs and
202 unions by default if those structs and unions have no tags. Do
203 not condition anonymous struct and unions handling on flag_iso.
204 Allow anonymous structs and unions for C1X.
205 (finish_struct): Do not diagnose lack of named fields when
206 anonymous structs and unions present for C1X. Accept flexible
207 array members in structure with anonymous structs or unions but no
208 directly named fields.
209 * doc/extend.texi (Unnamed Fields): Update.
211 2010-05-15 Eric Botcazou <ebotcazou@adacore.com>
213 * gimple.h (compare_field_offset): Rename into...
214 (gimple_compare_field_offset): ...this.
215 * gimple.c (compare_field_offset): Rename into...
216 (gimple_compare_field_offset): ...this. Compare the full access if
217 the offset is self-referential.
218 (gimple_types_compatible_p): Adjust for above renaming.
219 * lto-streamer-in.c (input_gimple_stmt): Likewise. Also compare the
220 DECL_NONADDRESSABLE_P flag of fields before merging them.
222 2010-05-15 Nathan Froyd <froydnj@codesourcery.com>
224 * tree.h (ctor_to_list): Delete.
225 * tree.c (ctor_to_list): Delete.
227 2010-05-15 Jan Hubicka <jh@suse.cz>
229 * ipa-reference.c: Include toplev.h
230 (is_proper_for_analysis): Only add to all_module_statics
232 (write_node_summary_p, stream_out_bitmap,
233 ipa_reference_write_optimization_summary,
234 ipa_reference_read_optimization_summary): New.
235 (struct ipa_opt_pass_d pass_ipa_reference): Add
236 optimization summary streaming.
237 * lto-cgraph.c (referenced_from_this_partition_p,
238 reachable_from_this_partition_p): New functions.
239 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
240 call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
241 * opts.c (decode_options): Enable ipa_reference.
242 * Makefile.in (ipa-reference.o): Add toplev.h dependency.
243 * lto-streamer.h (referenced_from_this_partition_p,
244 reachable_from_this_partition_p): Declare.
246 2010-05-15 Richard Guenther <rguenther@suse.de>
248 PR tree-optimization/44038
249 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
250 taking the address of a V_C_E of a constant.
252 2010-05-14 Jan Hubicka <jh@suse.cz>
254 * tree.h (memory_identifier_string): Remove.
255 * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
256 (ipa_reference_global_vars_info_d): Remove statics_not_read and
258 (ipa_reference_optimization_summary_d): New structure.
259 (ipa_reference_optimization_summary_t): New type and vector.
260 (ipa_reference_vars_info_d): Embedd structures instead of using
262 (reference_vars_to_consider): Remove out of GGC space.
263 (module_statics_escape): Remove.
264 (global_info_obstack): Rename to ...
265 (optimization_summary_obstack): ... this one.
266 (initialization_status_t): Remove.
267 (memory_identifier_string): Remove.
268 (get_reference_vars_info): Fix indenting.
269 (set_reference_vars_info): Likewise.
270 (get_reference_optimization_summary): New.
271 (set_reference_optimization_summary): New.
272 (get_global_reference_vars_info): Remove.
273 (ipa_reference_get_read_global): Remove.
274 (ipa_reference_get_written_global): Remove.
275 (ipa_reference_get_not_read_global): Update.
276 (ipa_reference_get_not_written_global): Update.
277 (is_proper_for_analysis): Outlaw addressable.
278 (propagate_bits): Update for new datastructures.
279 (analyze_variable): Remove.
280 (init_function_info): Update for new datastructures.
281 (clean_function_local_data): Remove.
282 (clean_function): Remove.
283 (copy_global_bitmap): Use optimizations_summary_obstack.
284 (duplicate_node_data): Duplicate optimization summary only.
285 (remove_node_data): Remove optimization summary only.
286 (generate_summary): Do not analyze variables; do not compute
287 module_statics_escape; do not prune solutions by it.
288 (read_write_all_from_decl): Fix typos in comments.
289 (propagate): Doscover readonly and nonaddressable first;
290 update for new datastructures; share global bitmaps.
291 * ipa-reference.h (ipa_reference_get_read_global,
292 ipa_reference_get_written_global): Remove.
293 * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
294 * Makefile.in: Remove ipa-refereference from GT files.
296 2010-05-14 Jakub Jelinek <jakub@redhat.com>
299 * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
300 for all SYMBOL_REF_DECLs.
302 2010-05-14 Jan Hubicka <jh@suse.cz>
304 * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
305 (varpool_all_refs_explicit_p): New inline function.
306 * ipa-reference.c: Update comment.
307 (module_statics_written): Remove.
308 (get_static_decl): Remove.
309 (ipa_init): Do not initialize module_statics_written.
310 (analyze_function): Likewise.
311 (generate_summary): Likewise; do not compute module_statics_readonly
312 and do not update variable flags.
313 (propagate): Call ipa_discover_readonly_nonaddressable_vars.
314 * ipa.c: Inlucde flags.h
315 (cgraph_local_node_p): New.
316 (cgraph_remove_unreachable_nodes): Return early when not optimizing;
317 promote functions to local.
318 (ipa_discover_readonly_nonaddressable_vars): New function.
319 (function_and_variable_visibility): Use cgraph_local_node_p.
320 * varpool.c (varpool_finalize_decl): Set force_output for
321 DECL_PRESERVE_P vars.
323 2010-05-14 Jan Hubicka <jh@suse.cz>
325 * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
327 2010-05-14 Richard Guenther <rguenther@suse.de>
329 PR tree-optimization/44119
330 * tree-ssa-pre.c (eliminate): Properly mark replacement of
331 a PHI node necessary.
333 2010-05-14 Eric Botcazou <ebotcazou@adacore.com>
335 * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
337 2010-05-14 Jason Merrill <jason@redhat.com>
340 * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
341 (gimple_call_set_nothrow): New.
342 * gimple.c (gimple_build_call_from_tree): Call it.
343 (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
346 * gimplify.c (gimplify_seq_add_stmt): No longer static.
347 * gimple.h: Declare it.
348 * gimple.c (gimple_build_eh_filter): No ops.
350 2010-05-14 Jan Hubicka <jh@suse.cz>
352 * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
353 nodes already in queue.
354 (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
357 2010-05-14 Jakub Jelinek <jakub@redhat.com>
360 * cfgexpand.c (expand_debug_expr): If non-memory op0
361 has BLKmode, return NULL.
363 2010-05-14 Harsha Jagasia <harsha.jagasia@amd.com>
365 * config.gcc: Add support for --with-cpu option for bdver1.
366 * config/i386/i386.h (TARGET_BDVER1): New macro.
367 (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
368 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
369 (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
370 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
371 Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
372 (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
373 (processor_type): Add PROCESSOR_BDVER1.
374 * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
375 processor_type in config/i386/i386.h.
376 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
377 movaps <reg, reg> instead of movapd <reg, reg> when replacing
378 movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
379 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
380 to emit packed xor instead of packed double/packed integer
381 xor for SSE and AVX when moving a zero value.
382 * config/i386/sse.md: Add check for
383 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
384 movapd/movdqa for SSE and AVX.
385 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
386 single logical operations i.e and, or and xor instead of packed double
387 logical operations for SSE and AVX.
388 * config/i386/i386-c.c (ix86_target_macros_internal):
389 Add PROCESSOR_BDVER1.
390 * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
391 (has_fma4, has_xop): New.
392 * config/i386/i386.c (bdver1_cost): New variable.
393 (m_BDVER1): New macro.
394 (m_AMD_MULTIPLE): Add m_BDVER1.
395 (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
396 x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
397 x86_tune_use_simode_fiop, x86_tune_promote_qimode,
398 x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
399 x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
400 x86_tune_sse_partial_reg_dependency,
401 x86_tune_sse_unaligned_load_optimal,
402 x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
403 x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
404 x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
405 x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
406 x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
407 Enable/disable for bdver1.
408 (processor_target_table): Add bdver1_cost.
409 (cpu_names): Add bdver1.
410 (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
411 processor_alias_table.
412 (ix86_expand_vector_move_misalign): Change.
413 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
414 Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
415 Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
416 of movupd/movdqu for SSE and AVX.
417 (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
418 (ix86_tune_adjust_cost): Add code for bdver1.
419 (standard_sse_constant_opcode): Add check for
420 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
421 of packed double xor for SSE and AVX.
423 2010-05-14 Pat Haugen <pthaugen@us.ibm.com>
425 * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
428 2010-05-14 Tristan Gingold <gingold@adacore.com>
430 * toplev.c (default_debug_hooks): Remove this variable.
431 (process_options): Remove assignments to default_debug_hooks.
433 2010-05-14 Martin Jambor <mjambor@suse.cz>
435 * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
436 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
437 * langhooks.h (struct lang_hooks_for_decls): Removed field
439 * tree.c (free_lang_data): Remove assignment to
440 lang_hooks.fold_obj_type_ref.
441 * tree.def (OBJ_TYPE_REF): Update comment.
443 2010-05-14 Richard Guenther <rguenther@suse.de>
445 PR tree-optimization/44124
446 * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
448 2010-05-14 Alan Modra <amodra@gmail.com>
451 * config/rs6000/rs6000.c (struct machine_function): Reorder
452 fields for better packing. Add lr_save_state.
453 (rs6000_ra_ever_killed): Return lr_save_state if set.
454 (rs6000_emit_eh_reg_restore): Set lr_save_state.
456 2010-05-13 Jan Hubicka <jh@suse.cz>
458 * varpool.c (decide_is_variable_needed): Drop code checking
459 TREE_SYMBOL_REFERENCED.
461 2010-05-13 Jan Hubicka <jh@suse.cz>
463 * final.c (output_addr_const): Do not call mark_decl_referenced.
464 * cgraphunit.c (process_function_and_variable_attributes): Use
465 mark_needed_node dirrectly.
466 (assemble_thunk): Do not call mark_decl_referenced.
468 2010-05-13 Anatoly Sokolov <aesok@post.ru>
470 * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
472 2010-05-13 Jeff Law <law@redhat.com>
474 * ira-conflicts.c (print_allocno_conflicts): New function broken out
476 (print_conflicts): Call print_allocno_conflicts.
478 2010-05-13 Jakub Jelinek <jakub@redhat.com>
481 * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
484 2010-05-13 Kai Tietz <kai.tietz@onevision.com>
486 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
487 t-mingw-w64 or t-mingw-w32 for multilib configuration.
488 * config/i386/t-mingw-w32: New.
489 * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
491 2010-05-13 Martin Jambor <mjambor@suse.cz>
493 * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
495 * gimple-fold.c (get_base_binfo_for_type): New function.
496 (gimple_get_relevant_ref_binfo): Likewise.
497 (gimple_fold_obj_type_ref_known_binfo): Likewise.
498 (gimple_fold_obj_type_ref): Likewise.
499 (fold_gimple_call): Simplify condition for folding virtual calls
500 and call gimple_fold_obj_type_ref.
501 * gimple.h (gimple_get_relevant_ref_binfo): Declare.
502 (gimple_fold_obj_type_ref_known_binfo): Likewise.
504 2010-05-13 Andreas Schwab <schwab@linux-m68k.org>
506 * config/rs6000/rs6000-protos.h
507 (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
508 * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
509 (rs6000_debug_mode_dependent_address)
510 (rs6000_mode_dependent_address_ptr): Likewise.
512 2010-05-13 Jakub Jelinek <jakub@redhat.com>
515 * var-tracking.c (track_expr_p): Allow tracking of variables optimized
517 * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
518 * tree-sra.c (create_access_replacement): Call unshare_expr before
519 passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
520 * dwarf2out.c: Include tree-flow.h.
521 (struct var_loc_node): Rename var_loc_note field to loc, add comment.
522 (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
523 Handle DW_OP_bit_piece.
524 (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
525 construct_piece_list, adjust_piece_list): New functions.
526 (add_var_loc_to_decl): Handle SRA optimized variables.
527 Adjust for var_loc_note to loc field renaming.
528 (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
529 in VAR_LOCATION note.
530 (new_loc_descr_op_bit_piece): New function.
531 (dw_sra_loc_expr): New function.
532 (dw_loc_list): Use it. Don't handle the last range after the
533 loop, handle it inside of the loop. Adjust for var_loc_note
534 to loc field renaming.
535 (add_location_or_const_value_attribute): Only special case
536 single entry loc lists if loc is NOTE_P. Adjust for
537 var_loc_note to loc field renaming.
538 (dwarf2out_var_location): Don't set newloc->var_loc_note
539 and newloc->next here.
541 2010-05-12 Jan Hubicka <jh@suse.cz>
543 * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
545 * cgraph.h (cgraph_only_called_directly_p,
546 cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
547 (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
548 * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
550 * ipa.c (cgraph_remove_unreachable_nodes): Use
551 cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
553 * tree-inline.c (copy_bb): Check address_taken flag.
554 * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
555 externally_visible flag.
557 2010-05-12 Jason Merrill <jason@redhat.com>
561 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
562 * sdbout.c (plain_type_1): Likewise.
563 * dwarf2out.c (is_base_type): Likewise.
564 (gen_type_die_with_usage): Likewise. Generate
565 DW_TAG_unspecified_type for any LANG_TYPE.
567 2010-05-12 Jan Hubicka <jh@suse.cz>
569 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
571 * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
572 (cgraph_clone_edge): Update.
573 (cgraph_node_remove_callees): Remove indirect calls too.
574 * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
575 (cgraph_create_indirect_edge): Update prototype.
576 * ipa-reference.c (has_proper_scope_for_analysis): Rename to
577 is_proper_for_analysis.
578 (add_new_function, visited_nodes, function_insertion_hook_holder,
579 get_local_reference_vars_info, mark_address_taken, mark_address,
580 mark_load, mark_store, check_asm_memory_clobber, check_call,
581 scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
582 (ipa_init): Do not initialize visited_nodes;
583 function_insertion_hook_holder.
584 (analyze_variable): Rewrite.
585 (analyze_function): Rewrite.
586 (copy_local_bitmap): Remove.
587 (duplicate_node_dat): Do not duplicate local info.
588 (generate_summary): Simplify to only walk cgraph.
589 (write_node_summary_p, ipa_reference_write_summary,
590 ipa_reference_read_summary): Remove.
591 (propagate): Do not remove function insertion;
593 (pass_ipa_reference): NULLify summary handling fields.
594 * lto-cgraph.c (lto_output_edge): Output ecf_flags.
595 (input_edge): Input ecf_flags.
596 * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
597 (update_indirect_edges_after_inlining): Ignore edges with unknown
600 2010-05-12 Sriraman Tallam <tmsriram@google.com>
602 * implicit-zee.c: New file.
603 * tree-pass.h (pass_implicit_zee): Declare.
604 * passes.c (init_optimization_passes): Add zee pass.
605 * common.opt (fzee): New flag.
606 * timevar.def (TV_ZEE): Define.
607 * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
609 * Makefile.in (implicit-zee.o): Add new build file.
611 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
612 Nathan Froyd <froydnj@codesourcery.com>
614 * c-common.c (sync_resolve_params): Remove write-only variable.
616 2010-05-12 Anatoly Sokolov <aesok@post.ru>
618 * target.h (struct gcc_target): Add mode_dependent_address_p field.
619 * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
620 (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
621 * targhooks.c (default_mode_dependent_address_p): New function.
622 * targhooks.h (default_mode_dependent_address_p): Declare function.
623 * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
624 (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
625 * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
626 target hook. Change return type to bool.
627 * recog.h: (mode_dependent_address_p): Change return type to bool.
629 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
630 Nathan Froyd <froydnj@codesourcery.com>
632 * tree-mudflap.c (build_function_type_0, build_function_type_1,
633 build_function_type_2, build_function_type_3): Remove.
634 (mudflap_init): Use build_function_type_list.
636 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
637 Nathan Froyd <froydnj@codesourcery.com>
639 * coverage.c (build_fn_info_value): Call build_constructor instead of
640 build_constructor_from_list.
641 (build_ctr_info_value): Likewise.
642 (build_gcov_info): Likewise.
644 2010-05-12 Nathan Froyd <froydnj@codesourcery.com>
646 * tree.c (build_constructor): Compute TREE_CONSTANT for the
647 resultant constructor.
648 (build_constructor_single): Don't set TREE_CONSTANT.
649 (build_constructor_from_list): Don't compute TREE_CONSTANT.
651 2010-05-12 Jan Hubicka <jh@suse.cz>
653 * cgraph.h (struct varpool_node): Add aux.
654 * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
655 * varpool.c (varpool_remove_node): Do not remove initializer.
656 (varpool_reset_queue): Export.
657 (varpool_finalize_decl): Volatile vars are forced to be output.
658 * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
660 * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
661 process_references, varpool_can_remove_if_no_refs): New functions.
662 (cgraph_remove_unreachable_nodes): Handle variables too.
664 2010-05-12 H.J. Lu <hongjiu.lu@intel.com>
667 * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
669 2010-05-12 Jakub Jelinek <jakub@redhat.com>
672 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
673 change value of ORT_TASK.
674 (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
675 (omp_notice_threadprivate_variable): New function.
676 (omp_notice_variable): Call it for threadprivate variables.
677 If enclosing ctx is a task, print enclosing task rather than
678 enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK.
679 (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
680 if task has untied clause.
683 * dwarf2out.c (base_type_die): Don't add name attribute here.
684 (modified_type_die): Instead of sizetype use
685 its underlying original type. If a DW_TAG_base_type doesn't
686 have name added, add __unknown__.
687 (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
688 always call force_type_die instead.
690 2010-05-12 Maxim Kuvyrkov <maxim@codesourcery.com>
692 * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
693 for __stack_chk_guard.
695 2010-05-11 Jakub Jelinek <jakub@redhat.com>
697 * c-opts.c (c_common_parse_file): If start_end_main_source_file,
698 don't call start_source_file debug hook here...
699 (finish_options): ... but here, after outputting predefined and
700 command line defines and undefs.
703 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
705 * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
706 optimizing away empty bb with no successors, move over its
707 footer chain to fallthru predecessor.
708 * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
709 (rtl_split_edge): For asm goto call patch_jump_insn even if
710 splitting fallthru edge.
713 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
714 even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
715 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
716 * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
720 * c-parser.c (c_parser_expression): Mark LHS of a comma
721 expression as read if it is a decl, handled component or
722 COMPOUND_EXPR with that on the RHS.
723 * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
724 if it is a decl or handled component.
726 2010-05-11 Jan Hubicka <jh@suse.cz>
728 * lto-symtab.c (lto_symtab_free): New function.
729 * lto-streamer.h (lto_symtab_free): Declare.
731 2010-05-11 Jan Hubicka <jh@suse.cz>
733 * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
734 that if function is needed it is reachable.
735 (lto_output_node): See if it the function is reachable or referenced.
736 (output_cgraph): Update call of lto_output_node.
737 * lto-streamer.h (reachable_from_other_partition_p): Declare.
739 2010-05-11 Jan Hubicka <jh@suse.cz>
741 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
744 2010-05-11 Jan Hubicka <jh@suse.cz>
746 PR tree-optimize/44063
747 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
749 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
751 (estimate_function_body_sizes): Compute sizes even when disregarding.
753 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
755 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
757 2010-05-11 Jan Hubicka <jh@suse.cz>
759 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
762 2010-05-11 Jan Hubicka <jh@suse.cz>
764 * matrix-reorg.c (matrix_reorg): Rebuild edges.
766 2010-05-11 Jan Hubicka <jh@suse.cz>
768 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
769 lto_streamer_cache_delete): Put nodes into heap.
770 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
773 2010-05-11 Jan Hubicka <jh@suse.cz>
775 * cgraphbuild.c (cgraph_rebuild_references): New.
776 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
778 * cgraph.h (cgraph_rebuild_references): Declare.
779 * tree-inline.c (tree_function_versioning): Use it.
780 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
782 2010-05-11 Jan Hubicka <jh@suse.cz>
784 * cgraph.c: Include ipa-utils.h
785 (cgraph_create_virtual_clone): Update references.
786 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
788 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
790 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
791 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
794 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
796 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
798 2010-05-11 Jakub Jelinek <jakub@redhat.com>
800 * gcc.c (execute): For -### don't quote arguments that
801 contain just alphanumerics and _/-. characters.
802 * doc/invoke.texi: Document that change for -###.
805 * df-problems.c (struct dead_debug): Add to_rescan field.
806 (dead_debug_init): Clear to_rescan field.
807 (dead_debug_finish): Rescan all debug insns in to_rescan
808 bitmap and free the bitmap.
809 (dead_debug_insert_before): Instead of rescanning debug insns
810 immediately queue their rescanning until dead_debug_finish.
811 (df_note_bb_compute): After dead_debug_add do continue instead
814 2010-05-10 Jakub Jelinek <jakub@redhat.com>
817 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
818 clear also INSN_REG_USE_LIST.
820 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
822 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
824 2010-05-10 Jan Hubicka <jh@suse.cz>
826 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
829 2010-05-10 Jan Hubicka <jh@suse.cz>
831 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
833 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
834 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
835 (lto_streamer_cache_create): Init alloc pool.
836 (lto_streamer_cache_delete): Free alloc pool.
837 * lto-streamer.h: Include alloc pool.
838 (lto_streamer_cache_d): Use alloc pool.
839 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
841 2010-05-10 Jan Hubicka <jh@suse.cz>
843 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
844 * cgraphbuild.c: Include except.h
845 (record_type_list, record_eh_tables): New function.
846 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
848 2010-05-10 Jan Hubicka <jh@suse.cz>
850 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
851 __frame_dummy_init_array_entry, force_to_data): Attribute as used
854 2010-05-10 Michael Matz <matz@suse.de>
856 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
857 (can_reassociate_p): Use FLOAT_TYPE_P.
858 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
859 (vect_force_simple_reduction): ... this.
860 * tree-parloops.c (gather_scalar_reductions): Use
861 vect_force_simple_reduction.
862 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
863 vect_is_simple_reduction, add modify argument, if true rewrite
865 (vect_is_simple_reduction, vect_force_simple_reduction): New
867 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
869 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
870 Vladimir Makarov <vmakarov@redhat.com>
872 PR rtl-optimization/44012
873 * ira-build.c (remove_unnecessary_allocnos): Nullify
874 regno_allocno_map of the removed allocno.
876 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
878 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
880 * configure: Regenerate.
882 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
884 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
886 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
887 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
889 * configure: Regenerate.
891 2010-05-10 Richard Guenther <rguenther@suse.de>
893 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
894 marked if the entry identifier is marked.
896 2010-05-10 Richard Guenther <rguenther@suse.de>
898 * c-common.c (struct c_common_attributes): Add fnspec attribute.
899 (handle_fnspec_attribute): New function.
900 * gimple.h (gimple_call_return_flags): Declare.
901 (gimple_call_arg_flags): Likewise.
902 * gimple.c (gimple_call_arg_flags): New function.
903 (gimple_call_return_flags): Likewise.
904 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
906 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
908 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
909 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
911 (make_heapvar_for): ... this new function.
912 (handle_rhs_call): Handle fnspec attribute argument specifiers.
913 (handle_lhs_call): Likewise.
914 (find_func_aliases): Adjust.
916 2010-05-10 Richard Guenther <rguenther@suse.de>
918 PR tree-optimization/44050
919 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
921 2010-05-10 Wei Guozhi <carrot@google.com>
924 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
926 2010-05-09 Joseph Myers <joseph@codesourcery.com>
929 * c-typeck.c (lookup_field): Take a type directly. Update
931 (build_component_ref): Update call to lookup_field.
932 (set_init_label): Use lookup_field to find initialized field.
933 Handle returned list of fields like a sequence of designators.
935 2010-05-09 Richard Guenther <rguenther@suse.de>
938 * fold-const.c (tree_single_nonzero_warnv_p): Properly
939 handle &FUNCTION_DECL.
941 2010-05-09 Joseph Myers <joseph@codesourcery.com>
944 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
945 structures and unions recursively.
946 (detect_field_duplicates): Move duplicate detection with a hash to
947 detect_field_duplicates_hash. Always use a hash if anonymous
948 structures or unions are present.
949 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
952 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
955 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
956 detect Atom, Core 2 and Core i7.
958 2010-05-09 Richard Guenther <rguenther@suse.de>
960 * gcc.c (store_arg): Handle temporary file deletion for
963 2010-05-09 Richard Guenther <rguenther@suse.de>
966 * ipa-inline.c (estimate_function_body_sizes): Return after
967 disregarding inline limits.
969 2010-05-09 Richard Guenther <rguenther@suse.de>
971 * gcc.c (store_arg): Revert last change.
973 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
976 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
977 (optimize_ops_list): Call it.
979 2010-05-08 Richard Guenther <rguenther@suse.de>
981 PR tree-optimization/44030
982 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
983 NECESSARY flag if we propagate from a inserted expression.
985 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
987 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
988 domain types as equal if they are both PLACEHOLDER_EXPRs.
990 2010-05-08 Richard Guenther <rguenther@suse.de>
992 * lto-wrapper.c (run_gcc): Remove linker output from
993 command line for LTRANS invocation.
995 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
997 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
998 lto-macho as lto_binary_reader.
999 * target.h (struct gcc_target): New hooks lto_start and lto_end.
1000 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1001 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1002 in lto_start and lto_end calls.
1003 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
1005 (scan_prog_file): Update is_elf_or_coff call.
1006 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1008 * collect2.c (main): Fix enum comparison.
1010 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1012 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1013 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
1014 and TARGET_ASM_LTO_END.
1015 * darwin.c: Include obstack.h and lto-streamer.h.
1016 (lto_section_names_offset, lto_section_names_obstack,
1017 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1019 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1020 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
1021 to a temporary file.
1022 (darwin_asm_lto_end): New function. Restore asm_out_file.
1023 (darwin_asm_named_section): For LTO sections, replace the name with
1024 the offset of the section name in a string table, and build this
1026 (darwin_file_start): Initialize global vars for LTO support.
1027 (darwin_file_end): If output to asm_out_file was redirected, append it
1028 to the proper asm_out_file here. Add the section names section.
1030 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1032 * c-pragma.c (pending_weak_d, pending_weak): New.
1033 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1034 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1035 handle_pragma_weak): Update the uses of pending_weaks.
1037 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1039 PR documentation/44016
1040 * doc/standards.texi (Standards): Link to unversioned
1041 cxx0x_status.html page.
1043 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
1046 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1047 in addition to TREE_USED, to avoid "set but unused" warnings.
1049 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1051 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1052 (is_loop_prefetching_profitable): Do not insert prefetches
1053 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1054 times the prefetch ahead distance.
1056 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1058 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1059 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1060 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1063 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1065 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1066 a diagnostic info when the insn-to-mem ratio is too small.
1068 2010-05-07 Richard Guenther <rguenther@suse.de>
1070 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1072 (store_arg): Queue temp_filename for deletion instead of
1075 2010-05-07 Richard Guenther <rguenther@suse.de>
1077 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1078 (run_gcc): Handle LTRANS phase invocation.
1079 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1081 2010-05-07 Jakub Jelinek <jakub@redhat.com>
1083 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1084 this is also meaningful on PARM_DECLs and RESULT_DECLs.
1086 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1088 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1090 2010-05-07 Richard Guenther <rguenther@suse.de>
1092 PR tree-optimization/44020
1093 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1094 code when PRE is not yet initialized.
1096 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1098 * config/mips/dbxmdebug.h: Remove.
1099 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1101 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
1103 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1104 with null pointer and also warn about ordered comparison of zero with
1107 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1109 * graphite-blocking.c
1110 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1111 * graphite-clast-to-gimple.c
1112 (clast_to_gcc_expression): Same.
1113 (precision_for_value): Same.
1114 (precision_for_interval): Same.
1115 (gcc_type_for_interval): Same.
1116 (graphite_create_new_guard): Same.
1117 (compute_bounds_for_level): Same.
1118 (graphite_create_new_loop_guard): Same.
1119 * graphite-interchange.c
1120 (build_linearized_memory_access): Same.
1121 (pdr_stride_in_loop): Same.
1122 (memory_strides_in_loop_1): Same.
1123 (memory_strides_in_loop): Same.
1124 (extend_scattering): Same.
1125 (psct_scattering_dim_for_loop_depth): Same.
1126 (pbb_number_of_iterations): Same.
1128 (debug_iteration_domains): Same.
1130 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1131 (ppl_set_inhomogeneous_gmp): Same.
1132 (ppl_strip_loop): Same.
1133 (ppl_lexico_compare_linear_expressions): Same.
1134 (ppl_read_polyhedron_matrix): Same.
1135 (ppl_max_for_le_pointset): Same.
1137 (ppl_read_polyhedron_matrix): Same.
1138 (tree_int_to_gmp): Same.
1139 (gmp_cst_to_tree): Same.
1140 (ppl_set_inhomogeneous): Same.
1141 (ppl_set_inhomogeneous_tree): Same.
1142 (ppl_set_coef): Same.
1143 (ppl_set_coef_tree): Same.
1144 * graphite-sese-to-poly.c
1145 (build_pbb_scattering_polyhedrons): Same.
1146 (build_scop_scattering): Same.
1147 (scan_tree_for_params_right_scev): Same.
1148 (scan_tree_for_params): Same.
1149 (find_params_in_bb): Same.
1150 (find_scop_parameters): Same.
1151 (add_upper_bounds_from_estimated_nit): Same.
1152 (build_loop_iteration_domains): Same.
1153 (add_condition_to_domain): Same.
1154 (pdr_add_memory_accesses): Same.
1156 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1158 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1159 CLooG's value_* macros to their respective mpz_* counterparts.
1160 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1161 (graphite_create_new_loop_guard): Same.
1162 * graphite-interchange.c (build_linearized_memory_access): Same.
1163 (pdr_stride_in_loop): Same.
1164 (memory_strides_in_loop_1): Same.
1165 (1st_interchange_profitable_p): Same.
1166 * graphite-poly.c (extend_scattering): Same.
1167 (psct_scattering_dim_for_loop_depth): Same.
1168 (pbb_number_of_iterations): Same.
1169 (pbb_number_of_iterations_at_time): Same.
1170 * graphite-poly.h (new_1st_loop): Same.
1171 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1172 (oppose_constraint): Same.
1173 (insert_constraint_into_matrix): Same.
1174 (ppl_set_inhomogeneous_gmp): Same.
1175 (ppl_set_coef_gmp): Same.
1176 (ppl_strip_loop): Same.
1177 (ppl_lexico_compare_linear_expressions): Same.
1178 (ppl_max_for_le_pointset): Same.
1179 (ppl_min_for_le_pointset): Same.
1180 (ppl_build_realtion): Same.
1181 * graphite-ppl.h (gmp_cst_to_tree): Same.
1182 (ppl_set_inhomogeneous): Same.
1183 (ppl_set_inhomogeneous_tree): Same.
1184 (ppl_set_coef): Same.
1185 (ppl_set_coef_tree): Same.
1186 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1187 (build_scop_scattering): Same.
1188 (add_value_to_dim): Same.
1189 (scan_tree_for_params_right_scev): Same.
1190 (scan_tree_for_params_int): Same.
1191 (scan_tree_for_params): Same.
1192 (find_params_in_bb): Same.
1193 (find_scop_parameters): Same.
1194 (add_upper_bounds_from_estimated_nit): Same.
1195 (build_loop_iteration_domains): Same.
1196 (create_linear_expr_from_tree): Same.
1197 (add_condition_to_domain): Same.
1198 (pdr_add_memory_accesses): Same.
1200 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
1201 Jason Merrill <jason@redhat.com>
1203 * c-common.c (c_common_reswords): Add nullptr.
1204 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
1205 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1206 (gen_type_die_with_usage): Likewise.
1207 * dbxout.c (dbxout_type): Likewise.
1208 * sdbout.c (plain_type_1): Likewise.
1210 2010-05-06 Jason Merrill <jason@redhat.com>
1212 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1213 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
1215 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1217 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1218 stripping WITH_SIZE_EXPR.
1219 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1222 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1224 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1225 list of obsolete configurations.
1226 Disabled check for obsolete configurations.
1227 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1228 Removed support for previous versions.
1229 * config/mips/iris.h: Removed.
1230 * config/mips/iris5.h: Removed.
1231 * config/mips/iris6.h: Merged old iris.h contents.
1232 (TARGET_IRIX): Removed.
1233 (DRIVER_SELF_SPECS): Removed mabi=32.
1234 (IDENT_ASM_OP): Removed undef.
1235 (STARTFILE_SPEC): Removed mabi=32.
1236 (ENDFILE_SPEC): Likewise.
1237 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1238 (MACHINE_TYPE): Update for IRIX 6.5.
1239 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1240 TARGET_IRIX by TARGET_IRIX6.
1241 (mips_file_start): Likewise.
1242 (mips_output_external): Remove IRIX 5/6 O32 support.
1243 (mips_output_function_prologue): Likewise.
1244 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1246 (TARGET_CPU_CPP_BUILTINS): Likewise.
1247 (TARGET_IRIX): Removed.
1248 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1249 (MULTILIB_DIRNAMES): Removed 32.
1250 (MULTILIB_OSDIRNAMES): Removed ../lib.
1251 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1252 (Specific, mips-sgi-irix5): Document removal.
1253 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1254 Remove references to older IRIX 6 releases and the O32 ABI.
1256 2010-05-06 Jakub Jelinek <jakub@redhat.com>
1259 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1260 instead of DF_REF_REAL_REG.
1262 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
1265 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1266 handling to still return true for x64 targets.
1268 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1270 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1272 2010-05-06 Jan Hubicka <jh@suse.cz>
1274 PR tree-optimization/43791
1275 * ipa-inline.c (update_caller_keys): Remove bogus
1276 disregard_inline_limits check.
1278 2010-05-06 Michael Matz <matz@suse.de>
1280 PR tree-optimization/43984
1281 * tree-ssa-pre.c (inserted_phi_names): Remove.
1282 (inserted_exprs): Change to bitmap.
1283 (create_expression_by_pieces): Set bits, don't append to vector.
1284 (insert_into_preds_of_block): Don't handle inserted_phi_names.
1285 (eliminate): Don't look at inserted_phi_names, remove deleted
1286 insns from inserted_exprs.
1287 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1288 (init_pre, fini_pre): Allocate and free bitmaps.
1289 (execute_pre): Insert insns on edges before elimination.
1291 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1293 * tree.c (initializer_zerop): Handle STRING_CST.
1295 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
1298 * doc/invoke.texi (Wimplicit): Document as C only.
1299 * opts.c (common_handle_option): Add argument kind.
1300 (handle_option): Rename as read_cmdline_option. Factor out code to...
1301 (handle_option): ... here. New.
1302 (handle_options): Rename as read_cmdline_options.
1303 (decode_options): Update call.
1304 (set_option): Use option index instead of option pointer. Classify
1305 diagnostics correctly.
1306 (enable_warning_as_error): Call handle_option.
1307 * opts.h (set_option): Update declaration.
1308 (handle_option): Declare.
1309 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1310 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1311 * c-opts.c (set_Wimplicit): Delete.
1312 (c_family_lang_mask): New static constant.
1313 (c_common_handle_option): Add argument kind. Use handle_option
1314 instead of set_Wimplicit.
1315 (c_common_post_options): warn_implicit and warn_implicit_int
1316 are disabled by default.
1317 * c-common.c (warn_implicit): Do not define here.
1318 * c-common.h (warn_implicit): Do not declare here.
1319 (c_common_handle_option): Update declaration.
1320 * lto-opts.c (lto_reissue_options): Update call to set_option.
1322 2010-05-06 Richard Guenther <rguenther@suse.de>
1324 PR tree-optimization/43571
1325 * domwalk.c (walk_dominator_tree): Walk the dominator
1326 sons in more optimal order.
1328 2010-05-06 Richard Guenther <rguenther@suse.de>
1330 PR tree-optimization/43934
1331 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1332 (stmt_cost): Likewise.
1333 (extract_true_false_args_from_phi): New helper.
1334 (determine_max_movement): For PHI nodes verify we can hoist them
1335 and compute their cost.
1336 (determine_invariantness_stmt): Handle PHI nodes.
1337 (move_computations_stmt): Likewise. Hoist PHI nodes in
1338 if-converted form using COND_EXPRs.
1339 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1340 (tree_ssa_lim): Likewise.
1341 * tree-flow.h (tree_ssa_lim): Adjust prototype.
1342 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1344 2010-05-06 Richard Guenther <rguenther@suse.de>
1346 PR tree-optimization/43987
1347 * tree-ssa-structalias.c (could_have_pointers): For possibly
1348 address-taken variables force pointers to be recorded.
1349 (create_variable_info_for_1): Likewise.
1350 (push_fields_onto_fieldstack): Pass in wheter all fields
1352 (find_func_aliases): Query types instead of vars whether
1353 they contain pointers where appropriate.
1355 2010-05-06 Jan Hubicka <jh@suse.cz>
1357 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1358 (record_reference, mark_address, mark_load, mark_store): Record
1360 (record_references_in_initializer): Update call of record_references.
1361 (rebuild_cgraph_edges): Remove all references before rebuiding.
1362 * cgraph.c (cgraph_create_node): Clear ref list.
1363 (cgraph_remove_node): Remove references.
1364 (dump_cgraph_node): Dump references.
1365 (cgraph_clone_node): Clone references.
1366 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1367 (struct cgraph_node, varpool_node): Add ref_lst.
1368 * ipa-ref.c: New file.
1369 * ipa-ref.h: New file.
1370 * ipa-ref-inline.h: New file.
1371 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1372 (referenced_from_other_partition_p): New function.
1373 (lto_output_varpool_node): Take set arugment; call
1374 referenced_from_other_partition.
1375 (lto_output_ref): New.
1376 (add_references): New.
1378 (output_cgraph): Compute boundary based on references; output refs.
1379 (output_varpool): Accept cgraph_node_set argument.
1382 (input_cgraph): Call input_refs.
1383 * lto-section-in.c (lto_section_name): Add refs.
1384 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1385 (ipa-ref.o): New file.
1386 * varpool.c (varpool_node): Clear ipa ref list.
1387 (varpool_remove_node): Remove references.
1388 (dump_varpool_node): Dump references.
1389 (varpool_assemble_decl): Only compile finalized ones.
1390 (varpool_extra_name_alias): Initialize ref list.
1391 * lto-streamer.c (lto-get_section_name): Add .refs section.
1392 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1393 (referenced_from_other_partition_p): Declared.
1395 2010-05-06 Ira Rosen <irar@il.ibm.com>
1397 PR tree-optimization/43901
1398 * tree-vect-stmts.c (vectorizable_call): Assert that vector
1399 type is not NULL if it's transformation phase, and return
1400 FALSE if it's analysis.
1401 (vectorizable_conversion, vectorizable_operation,
1402 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1404 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
1406 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1408 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1410 * config/mips/mips-protos.h
1411 (mips_small_register_classes_for_mode_p): Delete prototype.
1413 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
1415 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1416 * config/arm/arm.c (multiple_operation_profitable_p,
1417 compute_offset_order): New static functions.
1418 (load_multiple_sequence, store_multiple_sequence): Use them.
1419 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
1420 memory offsets, not register numbers.
1421 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1423 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
1425 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1426 (get_pending_sizes, put_pending_size, put_pending_sizes):
1427 Update the uses of pending_sizes.
1428 * c-decl.c (store_parm_decls): Likewise.
1429 * c-tree.h (struct c_arg_info): Likewise.
1430 * tree.h: Update the prototype for get_pending_sizes and
1433 2010-05-05 Jason Merrill <jason@redhat.com>
1436 * c-common.c (handle_aligned_attribute): Respect
1437 ATTR_FLAG_TYPE_IN_PLACE.
1440 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1441 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1442 (TARGET_INITIALIZER): Use it.
1443 * c-common.c (attribute_takes_identifier_p): Call it.
1444 * c-common.h: Update prototype.
1445 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1446 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1448 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1451 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1452 DW_ID_down_case for Fortran compilation units.
1454 2010-05-05 Jan Hubicka <jh@suse.cz>
1456 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1459 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
1461 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1462 a variable-sized RESULT_DECL.
1464 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
1466 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1468 2010-05-05 Jason Merrill <jason@redhat.com>
1471 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1473 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1475 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
1476 Jakub Jelinek <jakub@redhat.com>
1479 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1480 (dead_debug_init, dead_debug_finish): New functions.
1481 (dead_debug_add, dead_debug_insert_before): Likewise.
1482 (df_note_bb_compute): Initialize a dead_debug object, add dead
1483 debug uses to it, insert debug bind insns before death insns,
1484 reset debug insns that refer to pending uses at the end.
1485 * rtl.h (make_debug_expr_from_rtl): New prototype.
1486 * varasm.c (make_debug_expr_from_rtl): New function.
1488 2010-05-05 Jan Hubicka <jh@suse.cz>
1490 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1491 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1492 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1493 lto_varpool_encoder_deref, lto_varpool_encoder_size,
1494 lto_varpool_encoder_encode_initializer_p,
1495 lto_set_varpool_encoder_encode_initializer): New functions.
1496 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1497 call output_varpool.
1498 (input_varpool_node): Do not always set analyzed.
1499 (input_cgraph_1): Return vector of cgraph nodes.
1500 (input_varpool_1): Return vector of varpools.
1501 (input_cgraph): Free the vectors.
1502 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1503 output only initializers needed.
1504 (lto_output): Only call output_cgraph.
1505 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1506 * lto-section-out.c (lto_new_out_decl_state): Initialize
1507 state->varpool_node_encoder.
1508 * lto-streamer.h (lto_varpool_encoder_d): New.
1509 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1510 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1511 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1512 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1513 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1515 (output_varpool, input_varpool): Remove declarations.
1517 2010-05-05 Jan Hubicka <jh@suse.cz>
1519 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1520 with body can prevail.
1522 2010-05-05 Jan Hubicka <jh@suse.cz>
1524 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1527 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1529 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1531 * gengtype.h (erro_at_line): Constify pos argument.
1533 * gengtype.c: Include hashtab.h.
1534 (enum gc_used): Document GC_MAYBE_POINTED_TO.
1535 (error_at_line): Constify pos argument.
1536 (do_typedef): Initialize p->opt field.
1537 (get_file_gtfilename): Fix comment typo.
1538 (struct walk_type_data): Constify line field.
1539 (get_output_file_for_structure): New function.
1540 (write_local_func_for_structure): Constify orig_s argument.
1541 Use get_output_file_for_structure.
1542 (write_func_for_structure): Use get_output_file_for_structure.
1543 (INDENT): New define.
1544 (dump_pair, dump_type, dump_type_list, dump_typekind)
1545 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1546 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1548 (seen_types): New variable.
1549 (main): New variable do_dump. Process "-d" command line option.
1550 Call dump_everything if dump requested.
1552 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1554 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1555 in a temporary instead of invoking the macro multiple times.
1556 (track_expr_p): Likewise.
1558 2010-05-04 Neil Vachharajani <nvachhar@google.com>
1560 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1562 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1563 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
1564 conditions for printing notes.
1565 * common.opt (-Wcoverage-mismatch): Allow negative, default to
1566 true, update documentation.
1567 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1569 2010-05-04 Jakub Jelinek <jakub@redhat.com>
1572 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1575 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1578 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1579 (*sse_prologue_save_insn1): Likewise.
1580 (SSE prologue save splitter): Likewise.
1582 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
1584 * tree.c (free_lang_data_in_one_sizepos): New inline function.
1585 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1586 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1587 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1588 all decls. Call it on DECL_FIELD_OFFSET of fields.
1589 (find_decls_types_r): Follow DECL_VALUE_EXPR.
1590 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1592 2010-05-04 Martin Jambor <mjambor@suse.cz>
1594 * tree-sra.c (build_access_from_expr_1): The first parameter type
1595 changed to simple tree.
1596 (build_access_from_expr): Likewise, gsi parameter was eliminated.
1597 (scan_assign_result): Renamed to assignment_mod_result, enum elements
1599 (build_accesses_from_assign): Removed all parameters except for a
1600 simple gimple statement. Now returns a simple bool.
1601 (scan_function): All non-analysis parts moved to separate functions
1602 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
1603 parameters and updated both callers.
1604 (sra_modify_expr): Removed parameter data.
1605 (sra_modify_function_body): New function.
1606 (perform_intra_sra): Call sra_modify_function_body to modify the
1608 (replace_removed_params_ssa_names): Parameter data changed into
1610 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
1611 changed the parameter dont_convert to convert with the opposite
1613 (sra_ipa_modify_assign): Parameter data changed into adjustments
1614 vector, return value changed to bool.
1615 (ipa_sra_modify_function_body): New function.
1616 (sra_ipa_reset_debug_stmts): Updated a comment.
1617 (modify_function): Use ipa_sra_modify_function_body to modify function
1620 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1623 * alias.c (true_dependence): Handle the same VALUE in x and mem.
1624 (canon_true_dependence): Likewise.
1625 (write_dependence_p): Likewise.
1627 2010-05-04 Jan Hubicka <jh@suse.cz>
1629 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1630 * cgraphbuild.c: Include ipa-utils.h
1631 (record_reference_ctx): New struct.
1632 (record_reference): Simplify to work on initializers; not statements.
1633 (mark_address, mark_load, mark_store): New.
1634 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1636 (record_references_in_initializer): Update use of record_reference.
1637 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1640 2010-05-04 Jan Hubicka <jh@suse.cz>
1642 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1643 node will be removed anyway.
1644 (lto_varpool_replace_node): Allow also unanalyzed nodes;
1645 relink aliases of node into prevailing node.
1646 * varpool.c (varpool_remove_node): Remove aliases properly;
1647 when removing node, remove all its aliases too; remove DECL_INITIAL
1648 of removed node; ggc_free the varpool node.
1650 2010-05-04 Richard Guenther <rguenther@suse.de>
1652 PR tree-optimization/43879
1653 * tree-ssa-structalias.c (alias_get_name): Use
1654 DECL_ASSEMBLER_NAME if available.
1655 (create_function_info_for): Return the varinfo node.
1656 (ipa_pta_execute): Associate same-body aliases and extra names
1657 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
1659 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
1661 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1663 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
1666 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1667 only if HONOR_REG_ALLOC_ORDER is not defined.
1669 2010-05-04 Richard Guenther <rguenther@suse.de>
1671 PR tree-optimization/43949
1672 * tree-vrp.c (extract_range_from_binary_expr): Only handle
1675 2010-04-26 Jason Merrill <jason@redhat.com>
1677 * c.opt (-fstrict-enums): New.
1678 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1680 2010-05-03 David Ung <davidu@mips.com>
1681 James E. Wilson <wilson@codesourcery.com>
1683 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1684 emit the trap instruction before the divide for TUNE_74K.
1686 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
1688 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1689 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1690 based on the above, for new target hook.
1692 * hooks.c (hook_bool_mode_true): New generic hook.
1693 * hooks.h (hook_bool_mode_true): Add prototype.
1695 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1697 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1698 target hook, set to hook_bool_mode_false.
1699 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1700 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1701 with targetm.small_register_classes_for_mode_p.
1702 (find_reusable_reload): Likewise.
1703 (combine_reloads): Likewise.
1704 * reload1.c (reload_as_needed): Likewise.
1705 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1706 * ifcvt.c (noce_process_if_block, check_cond_move_block,
1707 dead_or_predicable): Likewise.
1708 * regmove.c (optimize_reg_copy_1): Likewise.
1709 * calls.c (prepare_call_address): Likewise.
1710 (precompute_register_parameters): Likewise.
1712 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1714 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1715 implementation of the hook that considers all register classes
1716 small except for SH64.
1717 (sh_override_options): Use the new hook.
1718 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1721 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1723 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1724 implementation of the hook that considers all register classes
1726 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1729 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1731 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1732 implementation of the hook that considers all register classes
1734 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1737 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1739 * config/m32c/m32c.h: Likewise.
1740 * config/pdp11/pdp11.h: Likewise.
1741 * config/avr/avr.h: Likewise.
1742 * config/xtensa/xtensa.h: Likewise.
1743 * config/m68hc11/m68hc11.h: Likewise.
1744 * config/mn10300/mn10300.h: Likewise.
1745 * config/mcore/mcore.h: Likewise.
1746 * config/h8300/h8300.h: Likewise.
1747 * config/bfin/bfin.h: Likewise.
1749 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1750 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1752 2010-05-03 Anatoly Sokolov <aesok@post.ru>
1754 * double-int.h (tree_to_double_int): Remove macro.
1755 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1756 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1757 (tree_to_double_int): New function.
1758 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1760 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1762 2010-05-03 Richard Guenther <rguenther@suse.de>
1764 PR tree-optimization/43971
1765 * tree-ssa-structalias.c (get_constraint_for_1): Fix
1766 constraints in the !flag_delete_null_pointer_checks case.
1768 2010-05-03 Jakub Jelinek <jakub@redhat.com>
1771 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1772 result mode matches original rtl mode.
1774 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
1777 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1779 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1781 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1782 when processing flag options.
1784 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1786 * gcov-iov.c (main): Change format string placeholder
1787 from %#08x to 0x%08x.
1788 * genchecksum.c (dosum): Change format string placeholder
1789 from %#02x to 0x%02x.
1791 2010-05-02 Richard Guenther <rguenther@suse.de>
1793 PR tree-optimization/43879
1794 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1796 2010-05-02 Bruno Haible <bruno@clisp.org>
1798 * doc/extend.texi (Function Attributes): Fix a typo.
1800 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1803 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1804 placeholder from 0x%x to %#x.
1805 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1806 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1807 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1808 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1809 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1810 * config/i386/i386.c (ix86_target_string): Ditto.
1811 * config/i386/i386.c (output_pic_addr_const): Ditto.
1812 (print_operand): Ditto.
1814 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1816 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1817 placeholder from 0x%x to %#x.
1818 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1819 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1820 (ASM_OUTPUT_DEBUG_DATA): Ditto.
1821 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1822 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1823 * optc-gen.awk: Ditto.
1824 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1825 (HOST_WIDE_INT_PRINT_HEX): Ditto.
1826 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1827 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1829 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1831 * target.h (struct calls): Add function_value_regno_p field.
1832 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1833 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1834 * targhooks.c (default_function_value_regno_p): New function.
1835 * targhooks.h (default_function_value_regno_p): Declare function.
1836 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1837 * builtins.c. (apply_result_size): (Ditto.).
1838 * combine.c. (likely_spilled_retval_p): (Ditto.).
1839 * mode-switching.c. Include 'target.h'.
1840 (create_pre_exit): Use function_value_regno_p hook.
1841 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1842 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1843 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1845 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1846 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1847 (ix86_function_value_regno_p): Declare as static, change argument
1848 type to const unsigned int.
1849 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1851 2010-05-01 Richard Guenther <rguenther@suse.de>
1853 PR tree-optimization/43949
1854 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1856 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1858 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1860 * rtl.h (CONST_DOUBLE_P): Define.
1861 (rtx_to_double_int): Declare.
1862 * emit-rtl.c (rtx_to_double_int): New function.
1863 * dwarf2out.c (insert_double): New function.
1864 (loc_descriptor, add_const_value_attribute): Clean up, use
1865 rtx_to_double_int and insert_double functions.
1867 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
1869 * doc/extend.texi (Inline): Add missing return keyword to examples.
1870 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1873 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
1875 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1876 the variable part of the offset as well. Use highest_pow2_factor for
1877 all alignment checks.
1879 2010-04-30 Richard Guenther <rguenther@suse.de>
1881 PR tree-optimization/43879
1882 * tree-ssa-structalias.c (type_could_have_pointers): Functions
1885 2010-04-30 Jan Hubicka <jh@suse.cz>
1887 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1889 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1891 2010-04-30 Jan Hubicka <jh@suse.cz>
1893 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1895 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1896 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1897 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1898 cgraph_node_set_needs_ltrans_p): Remove.
1900 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1902 * sdbout.c: Include vec.h, do not include varray.h.
1903 (deferred_global_decls, sdbout_global_decl,
1904 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1905 * toplev.c: Do not include varray.h.
1906 (dump_memory_report): Do not dump VARRAY statistics.
1907 * gengtype.c (open_base_file): Ignore varray.h.
1908 * Makefile.in: Update for abovementioned changes.
1909 Remove all traces of varray.c and varray.h.
1910 * varray.c: Remove file.
1911 * varray.h: Remove file.
1913 2010-04-30 Jan Hubicka <jh@suse.cz>
1915 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1918 2010-04-30 Jan Hubicka <jh@suse.cz>
1920 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1923 2010-04-30 Richard Guenther <rguenther@suse.de>
1925 * tree-ssa-structalias.c (get_constraint_for_1): Generate
1926 constraints for CONSTRUCTOR.
1928 2010-04-30 Richard Guenther <rguenther@suse.de>
1931 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1932 first after all lowering passes.
1934 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1936 * toplev.c: Include varray.h for statistics dumping.
1937 * tree.h: Do not declare varray_head_tag.
1938 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1939 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1940 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1941 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1942 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1943 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1944 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1945 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1947 * Makefile.in: Update for abovementioned changes.
1949 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1952 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1954 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1956 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1957 Use this function to do machine-specific conversion.
1958 (picochip_legitimize_reload_address): Likewise.
1959 (picochip_legitimate_address_p): Check valid base register only if
1961 (picochip_check_conditional_copy): Check for modw only if opnd is
1963 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1964 to call the function in c.
1965 * config/picochip/picochip-protos.h
1966 (picochip_legitimize_reload_address): Define.
1967 * config/picochip/picochip.md (supported_compare1): Define.
1969 2010-04-30 Jan Hubicka <jh@suse.cz>
1971 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1972 (cgraph_global_info): Remove inlined.
1973 (LTO_cgraph_tag_names): Remove.
1974 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1975 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1976 simplify cgraph tags and document.
1977 (lto_output_node): Use only LTO_cgraph_unavail_node and
1978 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1979 for_functions_valid, global info, process and output flags.
1980 (input_overwrite_node): Initialize estimated stack size and
1981 estimated growth. Do not read flags we no longer store.
1982 (input_node): Likewise do not read info no longer stored.
1983 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1986 2010-04-30 Richard Guenther <rguenther@suse.de>
1988 PR tree-optimization/43879
1989 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1990 handle non-zero initializers.
1992 2010-04-30 Richard Guenther <rguenther@suse.de>
1994 * builtins.c (fold_builtin_1): Delete free (0).
1996 2010-04-29 Jan Hubicka <jh@suse.cz>
1998 * gengtype.c (open_base_files): Add lto-streamer.h
1999 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2000 (pass_ipa_cp): GGC collect.
2001 * toplev. (compile_file): Do not output symbols.
2002 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2003 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2004 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2005 * lto-section-in.c: Include ggc.h
2006 (lto_new_in_decl_state): Alloc in GGC.
2007 (lto_delete_in_decl_state): Likewise.
2008 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2011 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2014 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2015 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
2016 (HONOR_REG_ALLOC_ORDER): Describe new macro.
2017 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2018 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2019 account only if HONOR_REG_ALLOC_ORDER is not defined.
2020 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2021 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2023 2010-04-29 Jon Grant <04@jguk.org>
2025 * collect2.c (vflag): Change type from int to bool.
2027 (helpflag): New global bool.
2028 (main): Set vflag and debug with boolean, not integer truth values.
2029 Accept new "--help" option and output usage text if found.
2030 * collect2.h (vflag): Update prototype.
2033 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2036 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2038 2010-04-29 Richard Guenther <rguenther@suse.de>
2041 * plugin.h (invoke_plugin_callbacks): Annotate arguments
2042 with ATTRIBUTE_UNUSED.
2044 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2047 * config/i386/i386.c (get_some_local_dynamic_name): Replace
2048 INSN_P with NONDEBUG_INSN_P.
2049 (distance_non_agu_define): Likewise.
2050 (distance_agu_use): Likewise.
2052 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2054 From Dominique d'Humieres <dominiq@lps.ens.fr>
2056 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2059 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
2061 * plugin.h (invoke_plugin_callbacks): New inline function.
2062 * plugin.c (flag_plugin_added): New global flag.
2063 (add_new_plugin): Initialize above flag.
2064 (invoke_plugin_callbacks): Rename to ...
2065 (invoke_plugin_callbacks_full): ... this.
2067 2010-04-28 Jan Hubicka <jh@suse.cz>
2069 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2070 (lto_varpool_replace_node): New.
2071 (lto_symtab_resolve_symbols): Resolve varpool nodes.
2072 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2073 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2074 * cgraph.h (varpool_node_ptr): New type.
2075 (varpool_node_ptr): New vector.
2076 (varpool_node_set_def): New structure.
2077 (varpool_node_set): New type.
2078 (varpool_node_set): New vector.
2079 (varpool_node_set_element_def): New structure.
2080 (varpool_node_set_element, const_varpool_node_set_element): New types.
2081 (varpool_node_set_iterator): New type.
2082 (varpool_node): Add prev pointers, add used_from_other_partition,
2084 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2085 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2086 varpool_get_node, varpool_remove_node): Declare.
2087 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2088 varpool_node_set_size): New inlines.
2089 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2090 * tree-pass.h (varpool_node_set_def): Forward declare.
2091 (ipa_opt_pass_d): Summary writting takes vnode sets too.
2092 (ipa_write_optimization_summaries): Update prototype.
2093 * ipa-cp.c (ipcp_write_summary): Update.
2094 * ipa-reference.c (ipa_reference_write_summary): Update.
2095 * lto-cgraph.c (lto_output_varpool_node): New static function.
2096 (output_varpool): New function.
2097 (input_varpool_node): New static function.
2098 (input_varpool_1): New function.
2099 (input_cgraph): Input varpool.
2100 * ipa-pure-const.c (pure_const_write_summary): Update.
2101 * lto-streamer-out.c (lto_output): Update, output varpool too.
2102 (write_global_stream): Kill WPA hack.
2103 (produce_asm_for_decls): Update.
2104 (output_alias_pair_p): Handle variables.
2105 (output_unreferenced_globals): Output only needed partition of varpool.
2106 * ipa-inline.c (inline_write_summary): Update.
2107 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2109 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2110 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2111 varpool_node_set_new, varpool_node_set_add,
2112 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2113 debug_varpool_node_set): New functions.
2114 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2115 (execute_one_pass): Process new decls too.
2116 (ipa_write_summaries_2): Pass around vsets.
2117 (ipa_write_summaries_1): Likewise.
2118 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2120 (ipa_write_optimization_summaries_1): Pass around vsets.
2121 (ipa_write_optimization_summaries): Likewise.
2122 * varpool.c (varpool_get_node): New.
2123 (varpool_node): Update doubly linked lists.
2124 (varpool_remove_node): New.
2125 (dump_varpool_node): More dumping.
2126 (varpool_enqueue_needed_node): Update doubly linked lists.
2127 (decide_is_variable_needed): Kill ltrans hack.
2128 (varpool_finalize_decl): Kill lto hack.
2129 (varpool_assemble_decl): Skip decls in other partitions.
2130 (varpool_assemble_pending_decls): Update doubly linkes lists.
2131 (varpool_empty_needed_queue): Likewise.
2132 (varpool_extra_name_alias): Likewise.
2133 * lto-streamer.c (lto_get_section_name): Add vars section.
2134 * lto-streamer.h (lto_section_type): Update.
2135 (output_varpool, input_varpool): Declare.
2137 2010-04-28 Mike Stump <mikestump@comcast.net>
2139 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2141 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2143 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2144 record or union type with RECORD_OR_UNION_TYPE_P predicate.
2145 (lto_input_ts_type_tree_pointers): Likewise.
2146 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2147 (lto_output_ts_type_tree_pointers): Likewise.
2149 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2151 Uniquization of constants at the Tree level
2152 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2153 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2155 (tree_output_constant_def): Declare.
2156 * gimplify.c (gimplify_init_constructor): When using block copy, first
2157 uniquize the constant constructor on the RHS.
2158 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2159 DECL_IN_CONSTANT_POOL flag.
2160 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2161 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2163 (assemble_variable): Deal with symbols belonging to the tree constant
2165 (get_constant_section): Add ALIGN parameter and simplify.
2166 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2167 (assemble_constant_contents): Use the expression of the VAR_DECL.
2168 (output_constant_def_contents): Use the alignment of the VAR_DECL.
2169 (tree_output_constant_def): New global function.
2170 (mark_constant): Use the expression of the VAR_DECL.
2171 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2173 (output_object_block): Likewise and assemble the expression.
2175 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2177 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2178 hash_tree, eq_tree): New tree hash table.
2179 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2180 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2181 lto_orig_address_remove): Reimplement.
2183 2010-04-28 Xinliang David Li <davidxl@google.com>
2186 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2187 (compute_uninit_opnds_pos): New function.
2188 (is_non_loop_exit_postdominating): New function.
2189 (compute_control_dep_chain): New function.
2190 (find_pdom): New function.
2191 (convert_control_dep_chain_into_preds): New function.
2192 (find_predicates): New function.
2193 (find_control_equiv_block): New function.
2194 (collect_phi_def_edges): New function.
2195 (find_def_preds): New function.
2196 (find_dom): New function.
2197 (dump_predicates): New function.
2198 (get_cmp_code): New function.
2199 (is_value_included_in): New function.
2200 (find_matching_predicate_in_rest_chains): New function.
2201 (use_pred_not_overlap_with_undef_path_pred): New function.
2202 (is_use_properly_guarded): New function.
2203 (normalize_cond_1): New function.
2204 (is_and_or_or): New function.
2205 (normalize_cond): New function.
2206 (is_gcond_subset_of): New function.
2207 (is_subset_of_any): New function.
2208 (is_or_set_subset_of): New function.
2209 (is_and_set_subset_of): New function.
2210 (is_norm_cond_subset_of): New function.
2211 (is_pred_expr_subset_of): New function.
2212 (is_pred_chain_subset_of): New function.
2213 (is_included_in): New function.
2214 (is_superset_of): New function.
2215 (find_uninit_use): New function.
2216 (warn_uninitialized_phi): New function.
2217 (compute_possibly_undefined_names): New function.
2218 (ssa_undefined_value_p): New function.
2219 (execute_late_warn_uninitialized): New function.
2220 * tree-ssa.c (ssa_undefined_value_p): Removed.
2221 (warn_uninit): Changed to extern.
2222 (warn_uninitialized_phi): Removed.
2223 (warn_uninitialized_vars): Changed to extern.
2224 (execute_late_warn_uninitialized): Removed
2225 * tree-flow.h: Add new prototypes.
2226 * timevar.def: Add new time variable.
2227 * Makefile.in: Add new build file.
2229 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
2231 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2234 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2237 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2239 2010-04-28 Martin Jambor <mjambor@suse.cz>
2241 * cgraph.h (struct cgraph_node): New field indirect_calls.
2242 (struct cgraph_indirect_call_info): New type.
2243 (struct cgraph_edge): Removed field indirect_call. New fields
2244 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2245 (cgraph_create_indirect_edge): Declare.
2246 (cgraph_make_edge_direct): Likewise.
2247 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2248 * ipa-prop.h (struct ipa_param_call_note): Removed.
2249 (struct ipa_node_params): Removed field param_calls.
2250 (ipa_create_all_structures_for_iinln): Declare.
2251 * cgraph.c: Described indirect edges and uids in initial comment.
2252 (cgraph_add_edge_to_call_site_hash): New function.
2253 (cgraph_edge): Search also among the indirect edges, use
2254 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2255 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2256 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2258 (initialize_inline_failed): Assign a reason to indirect edges.
2259 (cgraph_create_edge_1): New function.
2260 (cgraph_create_edge): Moved some functionality to
2261 cgraph_create_edge_1.
2262 (cgraph_create_indirect_edge): New function.
2263 (cgraph_edge_remove_callee): Add an assert checking for
2265 (cgraph_edge_remove_caller): Special-case indirect edges.
2266 (cgraph_remove_edge): Likewise.
2267 (cgraph_set_edge_callee): New function.
2268 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2269 (cgraph_make_edge_direct): New function.
2270 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2271 the declaration of the call statement matches.
2272 (cgraph_node_remove_callees): Special-case indirect edges.
2273 (cgraph_clone_edge): Likewise.
2274 (cgraph_clone_node): Clone also the indirect edges.
2275 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2276 indirect_call, dump count of indirect_calls edges.
2277 * ipa-prop.c (iinlining_processed_edges): New variable.
2278 (ipa_note_param_call): Create indirect edges instead of
2279 creating notes. New parameter node.
2280 (ipa_analyze_call_uses): New parameter node, pass it on to
2281 ipa_note_param_call.
2282 (ipa_analyze_stmt_uses): Likewise.
2283 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2284 (print_edge_addition_message): Work on edges rather than on notes.
2285 (update_call_notes_after_inlining): Likewise, renamed to
2286 update_indirect_edges_after_inlining.
2287 (ipa_create_all_structures_for_iinln): New function.
2288 (ipa_free_node_params_substructures): Do not free notes.
2289 (ipa_edge_duplication_hook): Propagate bits within
2290 iinlining_processed_edges bitmap.
2291 (ipa_node_duplication_hook): Do not duplicate notes.
2292 (free_all_ipa_structures_after_ipa_cp): Renamed to
2293 ipa_free_all_structures_after_ipa_cp.
2294 (free_all_ipa_structures_after_iinln): Renamed to
2295 ipa_free_all_structures_after_iinln.
2296 (ipa_write_param_call_note): Removed.
2297 (ipa_read_param_call_note): Removed.
2298 (ipa_write_indirect_edge_info): New function.
2299 (ipa_read_indirect_edge_info): Likewise.
2300 (ipa_write_node_info): Do not stream notes, do stream information
2302 (ipa_read_node_info): Likewise.
2303 (lto_ipa_fixup_call_notes): Removed.
2304 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2305 * ipa-inline.c (pass_ipa_inline): Likewise.
2306 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2307 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2308 * tree-inline.c (copy_bb): Removed an unnecessary double check for
2310 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2312 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2313 (output_cgraph): Stream also indirect edges.
2314 (lto_output_edge): Added capability to stream indirect edges.
2315 (input_edge): Likewise.
2316 (input_cgraph_1): Likewise.
2317 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2320 2010-04-28 Richard Guenther <rguenther@suse.de>
2322 PR tree-optimization/43879
2323 PR tree-optimization/43909
2324 * tree-ssa-structalias.c (struct variable_info): Add
2325 only_restrict_pointers flag.
2326 (new_var_info): Initialize it. Increment stats.total_vars here.
2327 (create_function_info_for): Do not increment stats.total_vars here.
2328 (get_function_part_constraint): Fix build with C++.
2329 (insert_into_field_list): Remove.
2330 (push_fields_onto_fieldstack): Properly merge fields.
2331 (create_variable_info_for): Split and simplify.
2332 (create_variable_info_for_1): New piece.
2333 (intra_create_variable_infos): Properly make restrict constraints
2336 2010-04-28 Richard Guenther <rguenther@suse.de>
2339 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2341 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
2342 Jan Hubicka <hubicka@ucw.cz>
2344 * doc/invoke.texi (-Wsuggest-attribute=const,
2345 -Wsuggest-attribute=pure): Document.
2346 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2347 (function_always_visible_to_compiler_p,
2348 suggest_attribute, warn_function_pure, warn_function_const):
2350 (check_call): Improve debug info.
2351 (analyze_function): Do not check availability.
2352 (add_new_function): Check availability.
2353 (propagate): Output warnings.
2354 (skip_function_for_local_pure_const): New function.
2355 (local_pure_const): Use it; output warnings.
2356 * common.opt (Wsuggest-attribute=const,
2357 Wsuggest-attribute=pure): New.
2359 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2361 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2362 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2363 or DW_CFA_def_cfa_offset{,_sf}.
2365 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2367 * tree.h: Fix truncated long macros.
2369 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
2371 * collect2.c (TARGET_64BIT): Redefine to target's default.
2372 * tlink.c: Likewise.
2373 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2374 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2375 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2376 for underscoring __USER_LABEL_PREFIX__.
2377 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2378 (SUB_LINK_ENTRY32): New.
2379 (SUB_LINK_ENTRY64): New.
2380 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2381 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2382 (SUB_LINK_ENTRY64): New.
2383 (SUB_LINK_ENTRY): New.
2384 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2385 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2386 x64 target is choosen.
2387 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2388 * configure: Regenerated.
2389 * configure.ac (leading-mingw64-underscores): Option added.
2391 2010-04-27 Jan Hubicka <jh@suse.cz>
2393 * doc/invoke.texi (-fipa-profile): Document.
2394 * opts.c (decode_options): Enable ipa-profile at -O1.
2395 * timevar.def (TV_IPA_PROFILE): Define.
2396 * common.opt (fipa-profile): Add.
2397 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2399 (cgraph_propagate_frequency): Handle only local ones.
2400 * tree-pass.h (pass_ipa_profile): Declare.
2401 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2402 (pass_ipa_profile): Use TV_IPA_PROFILE.
2403 * ipa.c (ipa_profile): New function.
2404 (gate_ipa_profile): Likewise.
2405 (pass_ipa_profile): New global variable.
2406 * passes.c (pass_ipa_profile): New.
2408 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
2410 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2412 2010-04-27 Martin Jambor <mjambor@suse.cz>
2415 * ipa.c (dissolve_same_comdat_group_list): New function.
2416 (function_and_variable_visibility): Call
2417 dissolve_same_comdat_group_list when comdat group contains external or
2419 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2420 lists are circular and that they contain only DECL_ONE_ONLY nodes.
2422 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2424 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2425 (const_hash_1) <VECTOR_CST>: New case.
2426 (compare_constant) <VECTOR_CST>: Likewise.
2427 <ADDR_EXPR>: Deal with LABEL_REFs.
2428 (copy_constant) <VECTOR_CST>: New case.
2430 2010-04-27 Jan Hubicka <jh@suse.cz>
2432 * cgraph.c (cgraph_propagate_frequency): New function.
2433 * cgraph.h (cgraph_propagate_frequency): Declare.
2434 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2435 cgraph_propagate_frequency.
2437 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2439 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2441 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
2444 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2445 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2446 here to determine which regs to push and how much stack to reserve.
2448 2010-04-27 Jie Zhang <jie@codesourcery.com>
2450 * doc/gimple.texi (gimple_statement_with_ops): Remove
2451 addresses_taken field.
2452 (gimple_statement_with_memory_ops): Likewise.
2454 2010-04-27 Jan Hubicka <jh@suse.cz>
2456 * tree-inline.c (eni_inlining_weights): Remove.
2457 (estimate_num_insns): Special case more builtins.
2459 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
2462 * c-typeck.c (build_binary_op): Move forward check for comparison
2463 pointer with null pointer constant and adjust the diagnostic message.
2465 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
2468 * configure.ac (gcc_cv_as_section_has_align): Set if installed
2469 binutils supports extended .section directive needed by LTO, or
2470 warn if older binutils found.
2471 (LTO_BINARY_READER): New AC_SUBST'd variable.
2472 (LTO_USE_LIBELF): Likewise.
2473 * gcc/config.gcc (lto_binary_reader): New target-specific configure
2475 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2476 (LTO_USE_LIBELF): Likewise.
2477 * configure: Regenerate.
2479 * collect2.c (is_elf): Rename from this ...
2480 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2481 object files in addition to ELF-formatted ones.
2482 (scan_prog_file): Caller updated. Also allow for LTO info marker
2483 symbol to be prefixed or not by an extra underscore.
2485 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2486 * config/i386/winnt.c: Also #include lto-streamer.h
2487 (i386_pe_asm_named_section): Specify 1-byte section alignment for
2489 (i386_pe_asm_output_aligned_decl_common): Add comment.
2490 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2492 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
2495 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2496 Add missing earlyclobber for second alternative.
2498 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
2500 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2501 bits for artificial defs at the top of the block.
2502 * fwprop.c (single_def_use_enter_block): Don't call it.
2504 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
2507 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2508 instead of "$gcc_cv_objdump -T".
2509 Use "-undefined dynamic_lookup" on darwin.
2510 * gcc/configure: Regenerate.
2512 2010-04-26 Jakub Jelinek <jakub@redhat.com>
2515 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2517 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2519 * c-parser.c (struct c_token): Move location field up.
2520 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2521 (struct c_declspecs): Convert typespec_word, storage_class, and
2522 default_int_p into bitfields.
2523 (struct c_declarator): Move loc field up.
2525 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2527 * cfgloop.h (struct loop): Move can_be_parallel field up.
2528 * ipa-prop.h (struct ip_node_params): Move bitfields up.
2529 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2531 (struct iv_cand): Convert pos field into a bitfield.
2532 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2534 (struct _stmt_vec_info): Shuffle fields for better packing.
2536 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2538 * varasm.c (IN_NAMED_SECTION): Remove guard.
2539 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2540 (IN_NAMED_SECTION_P): ...this.
2541 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2542 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2544 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2546 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2547 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
2548 of shadowing it. Fix comments.
2550 2010-04-26 Jan Hubicka <jh@suse.cz>
2552 * cgraph.c (cgraph_create_node): Set node frequency to normal.
2553 (cgraph_clone_node): Copy function frequency.
2554 * cgraph.h (node_frequency): New enum
2555 (struct cgraph_node): Add.
2556 * final.c (rest_of_clean_state): Update.
2557 * lto-cgraph.c (lto_output_node): Output node frequency.
2558 (input_overwrite_node): Input node frequency.
2559 * tre-ssa-loop-ivopts (computation_cost): Update.
2560 * lto-streamer-out.c (output_function): Do not output function
2562 * predict.c (maybe_hot_frequency_p): Update and handle functions
2564 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2566 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2567 (compute_function_frequency): Set noreturn functions to be executed
2569 (choose_function_section): Update.
2570 * lto-streamer-in.c (input_function): Do not input function frequency.
2571 * function.c (allocate_struct_function): Do not initialize function
2573 * function.h (function_frequency): Remove.
2574 (struct function): Remove function frequency.
2575 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2576 (try_update): Update.
2577 * tree-inline.c (initialize_cfun): Do not update function frequency.
2578 * passes.c (pass_init_dump_file): Update.
2579 * i386.c (ix86_compute_frame_layout): Update.
2580 (ix86_pad_returns): Update.
2582 2010-04-26 Jie Zhang <jie@codesourcery.com>
2584 PR tree-optimization/43833
2585 * tree-vrp.c (range_int_cst_p): New.
2586 (range_int_cst_singleton_p): New.
2587 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2588 when both operands are constants. Use range_int_cst_p in
2591 2010-04-26 Jan Hubicka <jh@suse.cz>
2593 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2595 2010-04-26 Richard Guenther <rguenther@suse.de>
2598 * gimple.c (gimple_decl_printable_name): Deal gracefully
2599 with a NULL DECL_NAME.
2601 2010-04-26 Richard Guenther <rguenther@suse.de>
2604 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2605 if emitting debug information and it is either a function
2606 or a namespace decl.
2608 2010-04-26 Ira Rosen <irar@il.ibm.com>
2610 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2611 determine if the statement is vectorizable, and a macro to access it.
2612 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2613 Skip statements that can't be vectorized. If the analysis fails,
2614 mark the statement as unvectorizable if vectorizing basic block.
2615 (vect_compute_data_refs_alignment): Likewise.
2616 (vect_verify_datarefs_alignment): Skip statements marked as
2617 unvectorizable. Add print.
2618 (vect_analyze_group_access): Skip statements that can't be
2619 vectorized. If the analysis fails, mark the statement as
2620 unvectorizable if vectorizing basic block.
2621 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2622 * tree-vect-stmts.c (vectorizable_store): Fix the number of
2623 generated stmts for SLP.
2624 (new_stmt_vec_info): Initialize the new field.
2625 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2626 statements marked as unvectorizable.
2628 2010-04-25 Joseph Myers <joseph@codesourcery.com>
2630 * c-common.c (flag_isoc1x): New.
2631 (flag_isoc99): Update comment.
2632 * c-common.h (flag_isoc1x): New.
2633 (flag_isoc99): Update comment.
2634 * c-cppbuiltin.c (builtin_define_float_constants): Also define
2635 __<type>_DECIMAL_DIG__.
2636 * c-opts.c (set_std_c1x): New.
2637 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2638 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2639 * c.opt (-std=c1x, -std=gnu1x): New options.
2640 * doc/cpp.texi: Mention -std=c1x.
2641 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2642 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2643 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2644 * doc/standards.texi: Mention C1X.
2645 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2646 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2647 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2650 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
2652 * config/i386/gmon-sol2.c (_mcleanup): Change format string
2653 placeholder from 0x%x to %#x.
2654 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2655 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2656 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2657 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2658 * config/i386/i386.c (ix86_target_string): Ditto.
2659 (output_pic_addr_const): Ditto.
2660 (print_operand): Ditto.
2662 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
2664 * combine.c (find_split_point): Add third argument. Use it
2665 to find nested multiply-accumulate instructions. Adjust calls.
2666 (try_combine): Adjust call to find_split_point.
2668 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
2670 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2672 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
2674 PR tree-optimization/41442
2675 * fold-const.c (merge_truthop_with_opposite_arm): New function.
2676 (fold_binary_loc): Call it.
2678 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2680 * toplev.c (general_init): Set default for fdiagnostics-show-option.
2681 * opts.c (common_handle_option): Allow disabling it.
2682 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2684 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
2686 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2687 between modes if both types are integral.
2689 2010-04-23 Richard Guenther <rguenther@suse.de>
2691 PR tree-optimization/43572
2692 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2694 2010-04-23 Richard Guenther <rguenther@suse.de>
2697 * tree-inline.c (tree_can_inline_p): Also check compatibility
2700 2010-04-23 Martin Jambor <mjambor@suse.cz>
2702 PR tree-optimization/43846
2703 * tree-sra.c (struct access): New flag grp_assignment_read.
2704 (build_accesses_from_assign): Set grp_assignment_read.
2705 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2706 (enum mark_read_status): New type.
2707 (analyze_access_subtree): Propagate grp_assignment_read, create
2708 accesses also if both direct_read and root->grp_assignment_read.
2710 2010-04-23 Martin Jambor <mjambor@suse.cz>
2713 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2714 function does not have type attributes.
2716 2010-04-23 Richard Guenther <rguenther@suse.de>
2719 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2722 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2724 * sese.h (create_if_region_on_edge): Remove.
2726 * sese.c (create_if_region_on_edge): Make static.
2728 * tree-inline.c: Do not include ggc.h.
2730 * expr.c: Do not include ggc.h.
2732 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2735 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
2738 * config/sh/sh.c (find_barrier): Don't emit a constant pool
2739 in the middle of insns for casesi_worker_2.
2741 2010-04-22 David Edelsohn <edelsohn@gnu.org>
2743 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2745 2010-04-22 Ira Rosen <irar@il.ibm.com>
2747 PR tree-optimization/43842
2748 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2749 loop unrolling in update of exit phis. Fix comment.
2750 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2751 least two reduction statements in the loop before starting SLP
2754 2010-04-22 Nick Clifton <nickc@redhat.com>
2756 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2758 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
2760 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2763 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2765 * tree-parloops.c (loop_parallel_p): New argument
2766 parloop_obstack. Pass it down.
2767 (parallelize_loops): New variable parloop_obstack. Initialize it,
2768 pass it down, free it.
2770 * tree-loop-linear.c (linear_transform_loops): Pass down
2773 * tree-data-ref.h (lambda_compute_access_matrices): New argument
2774 of type struct obstack *.
2776 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2777 scratch_obstack. Initialize it, pass down, free it.
2779 * lambda.h (lambda_loop_new): Remove.
2780 (lambda_matrix_new, lambda_matrix_inverse)
2781 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2782 argument of type struct obstack *.
2784 * lambda-trans.c (lambda_trans_matrix_new): New argument
2785 lambda_obstack. Pass it down, use obstack allocation for ret.
2786 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
2789 * lambda-mat.c (lambda_matrix_get_column)
2790 (lambda_matrix_project_to_null): Remove.
2791 (lambda_matrix_new): New argument lambda_obstack. Use obstack
2793 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2796 * lambda-code.c (lambda_loop_new): New function.
2797 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2798 (lambda_compute_auxillary_space, lambda_compute_target_space)
2799 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2800 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2801 (build_access_matrix): New argument lambda_obstack. Use obstack
2803 (lambda_compute_step_signs, lambda_compute_access_matrices): New
2804 argument lambda_obstack. Pass it down.
2806 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2808 * optabs.h (expand_widening_mult): Declare.
2810 2010-04-22 Richard Guenther <rguenther@suse.de>
2812 PR tree-optimization/43845
2813 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2814 lookup the CALL_EXPR function and arguments.
2816 2010-04-22 Nick Clifton <nickc@redhat.com>
2818 * config/stormy16/stormy16.c
2819 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2820 * config/stormy16/stormy16.h: Tidy up formatting.
2821 (DONT_USE_BUILTIN_SETJMP): Remove definition.
2822 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2823 (ineqbranchsi): Delete pattern.
2824 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2825 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2826 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2827 stormy16-lib2-ucmpsi2.c.
2829 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2831 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2832 df_simulate_find_noclobber_defs as appropriate. Keep track of an
2833 extra set merge_set_noclobber, and use it to relax the final test
2835 * df.h (df_simulate_find_noclobber_defs): Declare.
2836 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2838 (df_simulate_find_noclobber_defs): New function.
2840 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
2842 * config/i386/i386.md: Use {} around multi-line preparation statements.
2844 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2846 * c-tree.h (push_init_level, pop_init_level, set_init_index)
2847 (process_init_element): New argument of type struct obstack *.
2849 * c-typeck.c (push_init_level, pop_init_level, set_designator)
2850 (set_init_index, set_init_label, set_nonincremental_init)
2851 (set_nonincremental_init_from_string, find_init_member)
2852 (output_init_element, output_pending_init_elements)
2853 (process_init_element): New argument braced_init_obstack. Pass it
2855 (push_range_stack, add_pending_init): New argument
2856 braced_init_obstack. Use obstack allocation.
2858 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2859 braced_init_obstack. Pass it down.
2860 (c_parser_braced_init): New variables ret, braced_init_obstack.
2861 Initialize obstack, pass it down and finally free it.
2863 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2866 * tree-pass.h (pass_optimize_widening_mul): Declare.
2867 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2868 gate_optimize_widening_mul): New static functions.
2869 (pass_optimize_widening_mul): New.
2870 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2871 <case MULT_EXPR>: Remove support for widening multiplies.
2872 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2873 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2874 simplify_gen_unary rather than directly building extensions.
2875 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2877 * expmed.c (expand_widening_mult): New function.
2878 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2880 2010-04-21 Jan Hubicka <jh@suse.cz>
2882 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2883 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2884 * lto-wpa-fixup.c: Remove.
2885 * Makefile.in (lto-wpa-fixup.o): Remove.
2886 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2887 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2888 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2890 2010-04-21 Jan Hubicka <jh@suse.cz>
2892 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2893 add write_optimization_summary, read_optimization_summary.
2894 (ipa_write_summaries_of_cgraph_node_set): Remove.
2895 (ipa_write_optimization_summaries): Declare.
2896 (ipa_read_optimization_summaries): Declare.
2897 * ipa-cp.c (pass_ipa_cp): Update.
2898 * ipa-reference.c (pass_ipa_reference): Update.
2899 * ipa-pure-const.c (pass_ipa_pure_const): Update.
2900 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2902 * ipa-inline.c (pass_ipa_inline): Update.
2903 * ipa.c (pass_ipa_whole_program): Update.
2904 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2905 * passes.c (ipa_write_summaries_1): Do not test wpa.
2906 (ipa_write_optimization_summaries_1): New.
2907 (ipa_write_optimization_summaries): New.
2908 (ipa_read_summaries): Do not test ltrans.
2909 (ipa_read_optimization_summaries_1): New.
2910 (ipa_read_optimization_summaries): New.
2912 2010-04-21 Jan Hubicka <jh@suse.cz>
2914 * lto-cgraph.c (lto_output_node): Do not output comdat groups
2916 (output_cgraph): Do not arrange comdat groups for boundary nodes.
2918 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2921 * dwarf2out.c (add_name_and_src_coords_attributes): Add
2922 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2924 2010-04-21 Jan Hubicka <jh@suse.cz>
2926 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2928 2010-04-21 Jan Hubicka <jh@suse.cz>
2930 * varpool.c (decide_is_variable_needed): Variable is always needed
2933 2010-04-21 Jan Hubicka <jh@suse.cz>
2935 * opts.c (decode_options): Enable pure-const pass for whopr.
2937 2010-04-21 Jan Hubicka <jh@suse.cz>
2939 * cgraph.c (dump_cgraph_node): Dump also assembler name.
2940 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2942 (cgraph_decide_inlining): Do not expect callee to be removed in all
2945 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2947 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2949 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2951 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2952 amdfam10_decode attributes.
2954 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2957 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2958 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2959 (lower_copyprivate_clauses): Use private var in outer
2960 context instead of original var. Make sure the types
2961 are correct for VLAs.
2963 2010-04-21 Richard Guenther <rguenther@suse.de>
2965 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2966 to non-pointer objects.
2968 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2970 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2971 last chain entry if it starts with the still current label.
2972 (add_location_or_const_value_attribute): Check that
2973 loc_list->first->next is NULL instead of comparing ->first with ->last.
2974 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2975 to add_var_loc_to_decl.
2977 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2978 >= 4 add also address size and segment size fields into CIE header.
2980 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2981 long as address size is the same as sizeof (void *) and
2983 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2984 address size or segment size is unexpected, return DW_EH_PE_omit.
2985 (classify_object_over_fdes): If get_cie_encoding returned
2986 DW_EH_PE_omit, return -1.
2987 (init_object): If classify_object_over_fdes returned -1,
2988 pretend there were no FDEs at all.
2990 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2992 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2993 bswap{si,di}2 using SWI48 mode iterator.
2994 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2995 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
2996 set modrm attribute of bswap insn to 0 and remove length attribute.
2997 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2998 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
2999 set mode attribute to <MODE> and remove length attribute.
3001 2010-04-20 James E. Wilson <wilson@codesourcery.com>
3003 PR rtl-optimization/43520
3004 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3005 zero available registers.
3007 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3009 * builtins.c (fold_builtin_cproj): Fold more cases.
3011 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3013 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3014 (fold_builtin_1): Fold builtin cproj.
3015 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3016 Use ATTR_CONST_NOTHROW_LIST.
3018 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
3020 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3021 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
3022 ffsi2_no_cmove for !TARGET_CMOVE.
3023 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
3024 (ffssi2): Remove expander.
3025 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3027 (ctz<mode>2): Ditto from ctz{si,di}2.
3028 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3030 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3033 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3035 * dwarf2out.c (AT_linkage_name): Define.
3036 (clone_as_declaration): Handle DW_AT_linkage_name.
3037 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3038 of DW_AT_MIPS_linkage_name.
3039 (move_linkage_attr): Likewise.
3040 (dwarf2out_finish): Likewise.
3042 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
3045 * fold-const.c (fold_comparison): New folding rule.
3047 2010-04-20 Anatoly Sokolov <aesok@post.ru>
3049 * double-int.h (double_int_setbit): Declare.
3050 * double-int.c (double_int_setbit): New function.
3051 * rtl.h (immed_double_int_const): Declare.
3052 * emit-rtl.c (immed_double_int_const): New function.
3053 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3054 and immed_double_int_const functions.
3055 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3056 expand_copysign_bit): (Ditto.).
3057 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3058 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3059 * dojump.c (prefer_and_bit_test): (Ditto.).
3060 * expr.c (convert_modes, reduce_to_bit_field_precision,
3061 const_vector_from_tree): (Ditto.).
3062 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3064 2010-04-20 Jan Hubicka <jh@suse.cz>
3066 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3067 (dump_cgraph_node): Dump new flags.
3068 * cgraph.h (struct cgraph_node): Add flags
3069 reachable_from_other_partition and in_other_partition.
3070 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3071 other partition can not be removed.
3072 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3073 the other partition must be output; silence sanity checking on
3074 leaking functions bodies from other paritition.
3075 * lto-cgraph.c (reachable_from_other_partition_p): New function.
3076 (lto_output_node): Output new flags; do not sanity check that inline
3077 clones are output; drop lto_forced_extern_inline_p code; do not mock
3078 visibility flags at partition boundaries.
3079 (add_node_to): New function.
3080 (output_cgraph): Use it to sort functions so masters appear before
3082 (input_overwrite_node): Input new flags.
3083 * passes.c (ipa_write_summaries): Do not call
3084 lto_new_extern_inline_states.
3085 * lto-section-out.c (forced_extern_inline,
3086 lto_new_extern_inline_states lto_delete_extern_inline_states,
3087 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3088 * lto-streamer.h (lto_new_extern_inline_states,
3089 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3090 lto_forced_extern_inline_p): Kill.
3092 2010-04-20 Richard Guenther <rguenther@suse.de>
3094 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3095 from vars that can have pointers.
3096 (process_constraint): Dump useless constraints.
3098 2010-04-20 Richard Guenther <rguenther@suse.de>
3100 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3101 (dump_sa_points_to_info): Remove asserts.
3102 (init_base_vars): nothing_id isn't an escape point nor does it
3105 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3107 * tree.h (TYPE_REF_IS_RVALUE): Define.
3108 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3109 should_move_die_to_comdat, prune_unused_types_walk): Handle
3110 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3111 (modified_type_die, gen_reference_type_die): Emit
3112 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3113 if TYPE_REF_IS_RVALUE and -gdwarf-4.
3115 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3118 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3119 calls for -fpic -m31 if they have been sibcall optimized.
3121 2010-04-19 James E. Wilson <wilson@codesourcery.com>
3123 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3124 ar.lc fixed and call-used.
3126 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3128 2010-04-19 Jan Hubicka <jh@suse.cz>
3130 * opts.c (decode_options): Disable whpr incompatible passes.
3131 * lto/lto.c (lto_1_to_1_map): Skip clones.
3132 (read_cgraph_and_symbols): Do not mark everything as needed.
3133 (do_whole_program_analysis): Do map only after optimizing;
3134 set proper cgraph_state; use passmanager.
3136 2010-04-19 DJ Delorie <dj@redhat.com>
3138 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3139 POINTER_PLUS_EXPR and fix them.
3141 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
3143 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3144 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3145 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3146 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3147 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3148 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3149 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3150 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3151 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3152 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3153 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3155 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
3157 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3158 (check_cond_move_block): Likewise.
3159 (cond_move_process_if_block): Likewise.
3160 (noce_find_if_block): Improve formatting.
3161 (find_if_header): Pass 0 to memset and tweak conditions.
3162 (cond_exec_find_if_block): Fix long lines and tweak conditions.
3164 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3166 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3170 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3171 with non-local decl doesn't need chain.
3173 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
3175 * ira-color.c (allocno_reload_assign): Avoid accumulating
3176 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3178 2010-04-19 Martin Jambor <mjambor@suse.cz>
3180 * gimple.h (create_tmp_reg): Declare.
3181 * gimplify.c (create_tmp_reg): New function.
3182 (gimplify_return_expr): Use create_tmp_reg.
3183 (gimplify_omp_atomic): Likewise.
3184 (gimple_regimplify_operands): Likewise.
3185 * tree-dfa.c (make_rename_temp): Likewise.
3186 * tree-predcom.c (predcom_tmp_var): Likewise.
3187 (reassociate_to_the_same_stmt): Likewise.
3188 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3189 (get_replaced_param_substitute): Likewise.
3190 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3191 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3192 * tree-ssa-pre.c (get_representative_for): Likewise.
3193 (create_expression_by_pieces): Likewise.
3194 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3195 (create_tailcall_accumulator): Likewise.
3197 2010-04-19 Martin Jambor <mjambor@suse.cz>
3199 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3201 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3203 2010-04-19 Richard Guenther <rguenther@suse.de>
3205 PR tree-optimization/43796
3206 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3207 from SCEV in the lattice.
3208 (vrp_visit_phi_node): Dump change.
3210 2010-04-19 Richard Guenther <rguenther@suse.de>
3212 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3213 * configure: Re-generated.
3215 2010-04-19 Richard Guenther <rguenther@suse.de>
3217 PR tree-optimization/43783
3218 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3219 constant ARRAY_REF operands two and three if possible.
3221 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
3224 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3226 2010-04-19 Jie Zhang <jie@codesourcery.com>
3229 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3231 2010-04-19 Ira Rosen <irar@il.ibm.com>
3233 PR tree-optimization/37027
3234 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3235 and macro to access it.
3236 (vectorizable_reduction): Add argument.
3237 (vect_get_slp_defs): Likewise.
3238 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3239 statements for possible use in SLP.
3240 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3241 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3242 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3244 (vectorizable_reduction): Likewise.
3245 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3247 (vectorizable_type_demotion, vectorizable_type_promotion,
3248 vectorizable_store): Likewise.
3249 (vect_analyze_stmt): Update call to vectorizable_reduction.
3250 (vect_transform_stmt): Likewise.
3251 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3252 (vect_build_slp_tree): Fix indentation. Check that there are no loads
3253 from different interleaving chains in same node.
3254 (vect_slp_rearrange_stmts): New function.
3255 (vect_supported_load_permutation_p): Allow load permutations for
3256 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3257 inside SLP nodes if necessary.
3258 (vect_analyze_slp_instance): Handle reductions.
3259 (vect_analyze_slp): Try to build SLP instances originating from groups
3261 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3262 (vect_get_constant_vectors): Create initial vectors for reductions
3263 according to reduction code. Add new argument.
3264 (vect_get_slp_defs): Add new argument, pass it to
3265 vect_get_constant_vectors.
3266 (vect_schedule_slp_instance): Remove SLP tree root statements.
3268 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3270 * tree.h (ENUM_IS_SCOPED): Define.
3271 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3272 for ENUM_IS_SCOPED enums.
3274 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
3276 * fold-const.c (fold_comparison): Use ssizetype.
3277 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3278 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3279 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3280 * tree-object-size.c (compute_object_sizes): Use size_type_node.
3282 * tree.h (initialize_sizetypes): Remove parameter.
3283 (build_common_tree_nodes): Remove second parameter.
3284 * stor-layout.c (initialize_sizetypes): Remove parameter.
3285 Always create an unsigned type.
3286 (set_sizetype): Assert that the passed type is unsigned and simplify.
3287 * tree.c (build_common_tree_nodes): Remove second parameter.
3288 Adjust call to initialize_sizetypes.
3289 * c-decl.c (c_init_decl_processing): Remove second argument in call to
3290 build_common_tree_nodes.
3292 2010-04-18 Matthias Klose <doko@ubuntu.com>
3294 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3296 2010-04-18 Ira Rosen <irar@il.ibm.com>
3298 PR tree-optimization/43771
3299 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3300 load permutation doesn't have gaps.
3302 2010-04-18 Jan Hubicka <jh@suse.cz>
3304 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3305 (sse_prologue_save_insn expander): Use new pattern.
3306 (sse_prologue_save_insn1): New pattern and splitter.
3307 (sse_prologue_save_insn): Update to deal also with 64bit aligned
3309 * i386.c (setup_incoming_varargs_64): Do not compute jump
3311 (ix86_gimplify_va_arg): Update alignment needed.
3312 (ix86_local_alignment): Do not align all local arrays to 128bit.
3314 2010-04-17 Jan Hubicka <jh@suse.cz>
3316 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3318 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3320 * arm.md (negdi2): Remove redundant code to force values into a
3323 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3325 * arm/bpabi.S: Add EABI alignment attributes to objects.
3326 * arm/bpabi-v6m.S: Likewise.
3327 * arm/crti.asm: Likewise.
3328 * arm/crtn.asm: Likewise.
3329 * arm/lib1funcs.asm: Likewise.
3330 * arm/libunwind.S: Likewise.
3332 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3334 * arm-protos.h (tune_params): New structure.
3335 * arm.c (current_tune): New variable.
3336 (arm_constant_limit): Delete.
3337 (struct processors): Add pointer to the tune parameters.
3338 (arm_slowmul_tune): New tuning option.
3339 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3340 (all_cores): Adjust to pick up the tuning model.
3341 (arm_constant_limit): New function.
3342 (arm_override_options): Select the appropriate tuning model. Delete
3343 initialization of arm_const_limit.
3344 (arm_split_constant): Use the new constant-limit model.
3345 (arm_rtx_costs): Pick up the current tuning model.
3346 * arm.md (is_strongarm, is_xscale): Delete.
3347 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3348 for Xscale variant architectures.
3349 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3351 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3353 * config/arm/arm.c (arm_gen_constant): Remove unused variable
3355 (arm_rtx_costs_1): Remove unused variable extra_cost.
3356 (arm_unwind_emit_set): Use variable offset.
3357 (thumb1_output_casesi): Remove unused variable flags.
3359 2010-04-16 Jeff Law <law@redhat.com>
3361 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3362 needing assignment rather than doing a two-phase assignment. Remove
3363 unused variable 'm'.
3365 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3368 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3370 2010-04-16 Doug Kwan <dougkwan@google.com>
3372 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3373 (next_operand_entry_id): New static variable.
3374 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3375 (add_to_ops_vec): Assigned unique ID to operand entry.
3376 (struct oecount_s): New field ID.
3377 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3378 (undistribute_ops_list): Assign unique IDs to oecounts.
3379 (init_reassoc): reset next_operand_entry_id.
3381 2010-04-16 Doug Kwan <dougkwan@google.com>
3383 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3384 missing left parenthesis.
3386 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
3388 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3389 *btdi_rex64 using SWI48 mode iterator.
3390 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3391 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3392 *jcc_btdi_mask_rex64.
3394 2010-04-16 Anatoly Sokolov <aesok@post.ru>
3396 * double-int.h (tree_to_double_int): Convert to macro.
3397 * double-int.c (tree_to_double_int): Remove.
3399 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3402 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3403 with want_address 2 and in case a single element list might be
3404 possible, call it again with want_address 0.
3406 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3408 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3409 case 'W' print operands for HI mode.
3410 * config/h8300/h8300.h (Y0, Y2) : New constraints.
3411 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3412 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3413 * config/h8300/predicate.md (bit_register_indirect_operand): New.
3415 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3417 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3418 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3419 #xx:3 and #xx:4 mode.
3421 * config/h8300/h8300.md (inverted load with HImode dest): Add
3422 support for H8300SX.
3424 * config/h8300/predicate.md (bit_operand): Allow immediate values that
3425 satisfy 'U' constraint.
3427 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3429 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3430 * configure: Regenerate.
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