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.
3431 * config.in: Regenerate.
3432 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3435 2010-04-16 Richard Guenther <rguenther@suse.de>
3437 * tree.h (struct tree_decl_minimal): Move pt_uid ...
3438 (struct tree_decl_common): ... here.
3439 (DECL_PT_UID): Adjust.
3440 (SET_DECL_PT_UID): Likewise.
3441 (DECL_PT_UID_SET_P): Likewise.
3443 2010-04-16 Richard Guenther <rguenther@suse.de>
3445 PR tree-optimization/43572
3446 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3447 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3448 * tree-flow.h (is_call_clobbered): Remove.
3449 * tree-flow-inline.h (is_call_clobbered): Likewise.
3450 * tree-dfa.c (dump_variable): Do not dump call clobber state.
3451 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3452 (execute_return_slot_opt): Adjust.
3453 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3454 check for call clobbered vars here.
3455 (find_tail_calls): Move tailcall verification to the
3458 2010-04-16 Diego Novillo <dnovillo@google.com>
3460 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3462 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3465 * config/arm/arm.md (cbranchqi4): New pattern.
3466 * config/arm/predicates.md (const0_operand,
3467 cbranchqi4_comparison_operator): New predicates.
3469 2010-04-16 Richard Guenther <rguenther@suse.de>
3471 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3472 (dump_gimple_stmt): Likewise.
3474 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3476 * recog.h (struct recog_data): New field is_operator.
3477 (struct insn_operand_data): New field is_operator.
3478 * recog.c (extract_insn): Set recog_data.is_operator.
3479 * genoutput.c (output_operand_data): Emit code to set the
3481 * reload.c (find_reloads): Use it rather than testing for an
3482 empty constraint string.
3485 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3486 If the previous insn is a cbranchsi4_insn with the same arguments,
3487 omit the compare instruction.
3489 * config/arm/arm.md (addsi3_cbranch): If destination is a high
3490 register, inputs must be low registers and we need a low register
3491 scratch. Handle alternative 2 like alternative 3.
3493 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3495 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3496 don't call get_addr on both. If one expression is a VALUE and
3497 the other a REG, check VALUE's locs if the REG isn't among them.
3499 2010-04-16 Christian Bruel <christian.bruel@st.com>
3501 * config/sh/sh.h (sh_frame_pointer_required): New function.
3502 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3503 (flag_omit_frame_pointer) Set.
3504 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3505 (rounded_frame_size): Adjust size with outgoing_args_size.
3506 (sh_set_return_address): Must return from stack pointer.
3507 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3508 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3509 (ACCUMULATE_OUTGOING_ARGS): Define.
3510 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3511 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3513 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3516 * config/sh/sh.c (sh_legitimize_reload_address): Use
3517 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3518 Remove a unneeded check for offset_base.
3520 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
3522 * configure: Regenerated.
3524 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3526 * config/s390/s390.c (s390_call_save_register_used): Switch back
3527 to HARD_REGNO_NREGS.
3529 2010-04-15 Richard Guenther <rguenther@suse.de>
3531 * alias.c (alias_set_subset_of): Handle alias-set zero
3534 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
3535 Julian Brown <julian@codesourcery.com>
3537 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3538 alternatives according to use of high and low regs.
3539 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3540 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3541 optimizing for size on Thumb-2.
3543 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
3545 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3547 2010-04-15 Richard Guenther <rguenther@suse.de>
3549 * tree-ssa-structalias.c (struct variable_info): Add
3551 (new_var_info): Initialize it.
3552 (dump_constraints): Support printing last added constraints.
3553 (debug_constraints): Adjust.
3554 (dump_constraint_graph): Likewise.
3555 (make_heapvar_for): Check for NULL cfun.
3556 (get_function_part_constraint): New function.
3557 (get_fi_for_callee): Likewise.
3558 (find_func_aliases): Properly implement IPA PTA constraints.
3559 (process_ipa_clobber): New function.
3560 (find_func_clobbers): Likewise.
3561 (insert_into_field_list_sorted): Remove.
3562 (create_function_info_for): Properly allocate vars for IPA mode.
3563 Do not use insert_into_field_list_sorted.
3564 (create_variable_info_for): Properly generate constraints for
3565 global vars in IPA mode.
3566 (dump_solution_for_var): Always dump the solution.
3567 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3568 (find_what_var_points_to): Adjust.
3569 (pt_solution_set): Change.
3570 (pt_solution_ior_into): New function.
3571 (pt_solution_empty_p): Export.
3572 (pt_solution_includes_global): Adjust.
3573 (pt_solution_includes_1): Likewise.
3574 (pt_solutions_intersect_1): Likewise.
3575 (dump_sa_points_to_info): Check some invariants.
3576 (solve_constraints): Move constraint dumping ...
3577 (compute_points_to_sets): ... here.
3578 (ipa_pta_execute): ... and here.
3579 (compute_may_aliases): Do not re-compute points-to info
3580 locally if IPA info is available.
3581 (ipa_escaped_pt): New global var.
3582 (ipa_pta_execute): Properly implement IPA PTA.
3583 * tree-into-ssa.c (dump_decl_set): Support dumping
3584 decls not in referenced-vars.
3585 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3586 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3587 (dump_points_to_solution): Likewise.
3588 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3589 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3590 (remap_gimple_stmt): Reset call clobber/use information if necessary.
3591 (copy_decl_to_var): Copy DECL_PT_UID.
3592 (copy_result_decl_to_var): Likewise.
3593 * tree.c (make_node_stat): Initialize DECL_PT_UID.
3594 (copy_node_stat): Copy it.
3595 * tree.h (DECL_PT_UID): New macro.
3596 (SET_DECL_PT_UID): Likewise.
3597 (DECL_PT_UID_SET_P): Likewise.
3598 (struct tree_decl_minimal): Add pt_uid member.
3599 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3600 (pt_solution_empty_p): Declare.
3601 (pt_solution_set): Adjust.
3602 (ipa_escaped_pt): Declare.
3603 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3604 * gimple-pretty-print.c (pp_points_to_solution): New function.
3605 (dump_gimple_call): Dump call clobber/use information.
3606 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3607 * tree-pass.h (TDF_ALIAS): New dump option.
3608 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3609 * doc/invoke.texi (-fipa-pta): Update documentation.
3611 2010-04-15 Richard Guenther <rguenther@suse.de>
3613 * Makefile.in (OBJS-common): Add gimple-fold.o.
3614 (gimple-fold.o): New rule.
3615 * tree.h (maybe_fold_offset_to_reference,
3616 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3618 * gimple.h: ... here.
3619 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3620 may_propagate_address_into_dereference): Move prototypes ...
3621 * gimple.h: ... here.
3622 * tree-ssa-ccp.c (get_symbol_constant_value,
3623 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3624 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3625 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3626 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3627 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3628 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3629 gimplify_and_update_call_from_tree): Move ...
3630 * gimple-fold.c: ... here. New file.
3631 (ccp_fold_builtin): Rename to ...
3632 (gimple_fold_builtin): ... this.
3633 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3635 2010-04-15 Richard Guenther <rguenther@suse.de>
3637 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3638 fit_double_type, force_fit_type_double, add_double_with_sign,
3639 neg_double, mul_double_with_sign, lshift_double, rshift_double,
3640 lrotate_double, rrotate_double, div_and_round_double): Move ...
3641 * double-int.c: ... here.
3642 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3643 add_double, neg_double, mul_double_with_sign, mul_double,
3644 lshift_double, rshift_double, lrotate_double, rrotate_double,
3645 div_and_round_double): Move prototypes ...
3646 * double-int.h: ... here.
3648 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
3651 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
3652 matching constraints to ensure inputs match the output.
3654 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3657 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3658 in an input-only operand.
3660 2010-04-15 Anatoly Sokolov <aesok@post.ru>
3662 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3663 (double_int_not, double_int_lshift, double_int_rshift): Declare.
3664 (double_int_negative_p): Convert to static inline function.
3665 * double-int.c (double_int_lshift, double_int_lshift): New functions.
3666 (double_int_negative_p): Remove.
3667 * tree.h (lshift_double, rshift_double):
3668 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3669 * fold-const.c (fold_convert_const_int_from_real,
3670 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3671 (lshift_double): Change type of arith argument to bool.
3672 (rshift_double): Change type of arith argument to bool. Correct
3674 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3676 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
3679 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3680 at the start and end of the then/else blocks, and omit them from the
3682 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
3683 argument; all callers changed. Pass zero to old_insns_match_p instead.
3684 (flow_find_head_matching_sequence): New function.
3685 (old_insns_match_p): Check REG_EH_REGION notes for calls.
3686 * basic-block.h (flow_find_cross_jump,
3687 flow_find_head_matching_sequence): Declare functions.
3689 2010-04-14 Jason Merrill <jason@redhat.com>
3692 * c-common.c (attribute_takes_identifier_p): New fn.
3693 * c-common.h: Declare it.
3695 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3697 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3699 (*udivmod<mode>4): Ditto.
3701 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3703 * config/i386/i386.md (maxmin_int): Rename code attribute from
3704 maxminiprefix and update all users.
3705 (maxmin_float): Ditto from maxminfprefix.
3706 (logic): Ditto from logicprefix.
3707 (absneg_mnemonic): Ditto from absnegprefix.
3708 * config/i386/mmx.md: Update all users of maxminiprefix,
3709 maxminfprefix and logicprefix for rename.
3710 * config/i386/sse.md: Ditto.
3711 * config/i386/sync.md (sync_<code><mode>): Update for
3714 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
3717 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3718 warnings converted to errors.
3720 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3722 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3723 used insn_type variable.
3724 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3725 to avoid set-but-not-used warning.
3727 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3729 * df-core.c (df_ref_debug): Change format string placeholder
3731 * dwarf2asm.c (dw2_asm_output_data_raw,
3732 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3733 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3734 * dwarf2out.c (output_cfi, output_cfi_directive,
3735 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3736 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3738 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3739 * print-rtl.c (print_rtx): Ditto.
3741 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3744 * builtins.c (expand_builtin_pow_root): New function to expand pow
3745 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3746 series of sqrt and cbrt calls under -ffast-math.
3747 (expand_builtin_pow): Call it.
3749 2010-04-14 Michael Matz <matz@suse.de>
3751 PR tree-optimization/42963
3752 * tree-cfg.c (touched_switch_bbs): New static variable.
3753 (group_case_labels_stmt): New function broken out from ...
3754 (group_case_labels): ... here, use the above.
3755 (start_recording_case_labels): Allocate touched_switch_bbs.
3756 (end_recording_case_labels): Deallocate it, call
3757 group_case_labels_stmt.
3758 (gimple_redirect_edge_and_branch): Remember index of affected BB.
3760 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3762 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3765 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3767 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3769 2010-04-13 Jan Hubicka <jh@suse.cz>
3771 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3772 of optimized out static functions.
3773 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3774 cost computation. Also sanity check for overflows.
3775 (update_caller_keys): Update cgraph_edge_badness call; properly
3776 update fibheap and sanity check that it is up to date.
3777 (add_new_edges_to_heap): Update cgraph_edge_badness.
3778 (cgraph_decide_inlining_of_small_function): Likewise;
3779 add sanity checking that badness in heap is up to date;
3780 improve dumping of reason; Update badness of calls to the
3781 offline copy of function currently inlined; dump badness
3782 of functions not inlined because of unit growth limits.
3784 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3787 * c-common.c (pointer_int_sum): Disregard overflow that occured only
3788 because of sign-extension change when converting to sizetype here...
3789 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3791 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3792 the folding to constants. Remove redundant final conversion.
3793 (fold_binary) <associate>: Do not associate if the re-association of
3794 constants alone overflows.
3795 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3796 to the end of the list.
3797 (multiple_of_p) <COND_EXPR>: New case.
3799 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
3801 * opt-functions.awk (opt_sanitized_name): New.
3803 * optc-gen.awk: Use it
3804 * opth-gen.awk: Use it.
3806 2010-04-13 Martin Jambor <mjambor@suse.cz>
3808 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3809 (sra_modify_assign): Delete stmts loading dead data even if racc has no
3810 children. Call replace_uses_with_default_def_ssa_name to handle
3813 2010-04-13 Michael Matz <matz@suse.de>
3816 * builtins.c (expand_builtin_interclass_mathfn): Also create
3817 a register if the predicate doesn't match.
3819 2010-04-13 Diego Novillo <dnovillo@google.com>
3821 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3822 * c-pch.c: Include timevar.h.
3823 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3824 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3825 * ggc-common.c: Include timevar.h.
3826 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3827 * timevar.def (TV_PCH_SAVE): Define.
3828 (TV_PCH_CPP_SAVE): Define.
3829 (TV_PCH_PTR_REALLOC): Define.
3830 (TV_PCH_PTR_SORT): Define.
3831 (TV_PCH_RESTORE): Define.
3832 (TV_PCH_CPP_RESTORE): Define.
3834 2010-04-13 Michael Matz <matz@suse.de>
3836 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3838 (can_reassociate_p): New function.
3839 (break_up_subtract_bb, reassociate_bb): Use it.
3841 2010-04-13 Richard Guenther <rguenther@suse.de>
3844 * builtins.c (c_readstr): Fix assert.
3846 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
3848 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3849 when generating cltd insn.
3851 (*ashl<mode>3_1): Remove special handling for register operand 2.
3852 (*ashlsi3_1_zext): Ditto.
3853 (*ashlhi3_1): Ditto.
3854 (*ashlhi3_1_lea): Ditto.
3855 (*ashlqi3_1): Ditto.
3856 (*ashlqi3_1_lea): Ditto.
3857 (*<shiftrt_insn><mode>3_1): Ditto.
3858 (*<shiftrt_insn>si3_1_zext): Ditto.
3859 (*<shiftrt_insn>qi3_1_slp): Ditto.
3860 (*<rotate_insn><mode>3_1): Ditto.
3861 (*<rotate_insn>si3_1_zext): Ditto.
3862 (*<rotate_insn>qi3_1_slp): Ditto.
3864 2010-04-13 Richard Guenther <rguenther@suse.de>
3866 * tree-ssa-structalias.c (callused_id): Remove.
3867 (call_stmt_vars): New.
3868 (get_call_vi): Likewise.
3869 (lookup_call_use_vi): Likewise.
3870 (lookup_call_clobber_vi): Likewise.
3871 (get_call_use_vi): Likewise.
3872 (get_call_clobber_vi): Likewise.
3873 (make_transitive_closure_constraints): Likewise.
3874 (handle_const_call): Adjust to do per-call call-used handling.
3875 (handle_pure_call): Likewise.
3876 (find_what_var_points_to): Remove general callused handling.
3877 (init_base_vars): Likewise.
3878 (init_alias_vars): Initialize call_stmt_vars.
3879 (compute_points_to_sets): Process call-used and call-clobbered
3880 vars for call statements.
3881 (delete_points_to_sets): Free call_stmt_vars.
3883 2010-04-13 Richard Guenther <rguenther@suse.de>
3885 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3886 Only add RW dependence for dependence distance zero.
3887 Adjust maximal vectorization factor according to dependences.
3888 Move alignment handling ...
3889 (vect_find_same_alignment_drs): ... here. New function.
3890 (vect_analyze_data_ref_dependences): Adjust.
3891 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3892 (vect_analyze_data_refs): Adjust minimal vectorization factor
3893 according to data references.
3894 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3895 dependences before determining the vectorization factor.
3896 Analyze alignment after determining the vectorization factor.
3897 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3898 dependences before alignment.
3899 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3901 (vect_analyze_data_refs): Likewise.
3902 (MAX_VECTORIZATION_FACTOR): New define.
3904 2010-04-13 Duncan Sands <baldrick@free.fr>
3906 * except.h (lang_eh_type_covers): Remove.
3907 * except.c (lang_eh_type_covers): Likewise.
3909 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3910 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3912 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3913 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3914 UNITS_PER_LONG where it is ABI relevant.
3915 (s390_return_addr_rtx): Likewise.
3916 (s390_back_chain_rtx): Likewise.
3917 (s390_frame_area): Likewise.
3918 (s390_frame_info): Likewise.
3919 (s390_initial_elimination_offset): Likewise.
3920 (save_gprs): Likewise.
3921 (s390_emit_prologue): Likewise.
3922 (s390_emit_epilogue): Likewise.
3923 (s390_function_arg_advance): Likewise.
3924 (s390_function_arg): Likewise.
3925 (s390_va_start): Likewise.
3926 (s390_gimplify_va_arg): Likewise.
3927 (s390_function_profiler): Likewise.
3928 (s390_optimize_prologue): Likewise.
3929 (s390_rtx_costs): Likewise.
3930 (s390_secondary_reload): Likewise.
3931 (s390_promote_function_mode): Likewise.
3932 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3933 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3934 registers available.
3935 (s390_unwind_word_mode): New function.
3936 (s390_function_value): Split 64 bit values into register pair if
3937 used as return value.
3938 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3939 function call parameters. Handle parallels.
3940 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3941 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3942 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3943 (s390_expand_setmem): Remove unused variable src_addr.
3944 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3945 deal with 64 bit registers.
3946 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3947 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3948 (UNITS_PER_LONG): New macro.
3949 * libjava/include/s390-signal.h: Define extended ucontext
3950 structure containing the upper halfs of the 64 bit registers.
3952 2010-04-13 Simon Baldwin <simonb@google.com>
3954 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3956 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3958 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3959 rvalue on the RHS if the LHS is of a non-renamable type.
3960 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3962 2010-04-13 Matthias Klose <doko@ubuntu.com>
3964 * gcc.c (cc1_options): Handle -iplugindir before processing
3965 the cc1 spec. Only add -iplugindir once.
3966 (cpp_unique_options): Add -iplugindir option if -fplugin* options
3968 * common.opt (iplugindir): Remove `Separate' property, initialize.
3969 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3971 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3972 (distclean): Remove plugin dir.
3973 * doc/invoke.texi: Document -iplugindir.
3975 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
3977 * doc/plugins.texi (Loading Plugins): Document short
3978 -fplugin=foo option.
3979 (Plugin API): Mention default_plugin_dir_name function.
3981 * gcc.c (find_file_spec_function): Add new declaration.
3982 (static_spec_func): Use it for "find-file".
3983 (find_file_spec_function): Add new function.
3984 (cc1_options): Add -iplugindir option if -fplugin* options found.
3986 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3988 * plugin.c (add_new_plugin): Updated comment, and handle short
3990 (default_plugin_dir_name): Added new function.
3992 * common.opt (iplugindir): New option to set the plugin directory.
3994 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
3996 * config/i386/i386.md (any_rotate): New code iterator.
3997 (rotate_insn): New code attribute.
3999 (SWIM124): New mode iterator.
4000 (<rotate_insn>ti3): New expander.
4001 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
4002 any_rotate code iterator.
4003 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
4004 using any_rotate code iterator and SWIM124 mode iterator.
4005 (ix86_rotlti3): New insn_and_split pattern.
4006 (ix86_rotrti3): Ditto.
4007 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
4008 ix86_rotl{di,ti}3 patterns.
4009 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
4010 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
4011 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
4012 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
4013 code iterator and SWI mode iterator.
4014 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
4015 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
4017 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
4018 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
4019 (bswap rotatert splitter): Add splitter.
4020 (bswap splitter): Macroize splitter using any_rotate code iterator.
4021 Add insn predicate to split only for TARGET_USE_XCHGB or when
4022 optimizing function for size.
4024 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4026 * config/pa/pa.c (emit_move_sequence): Remove use of
4027 deleted variable flag_argument_noalias.
4029 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4031 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
4033 Add to unsupported targets list.
4034 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
4035 sparc*-sun-solaris2.[567]* from target lists.
4036 * configure: Regenerate.
4037 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
4039 Remove Solaris 7 patch references.
4040 (Specific, sparc-sun-solaris2.7): Removed.
4041 (sparc-sun-solaris2*): Update Solaris 7 example.
4042 (sparc64-*-solaris2*): Likewise.
4044 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4046 * config.build (alpha*-dec-osf4*): Remove.
4047 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
4048 of obsolete configurations.
4049 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
4051 * config/alpha/t-osf4: Renamed to ...
4052 * config/alpha/t-osf5: ... this.
4053 * config/alpha/osf.h: Renamed to ...
4054 * config/alpha/osf5.h: ... this.
4055 Merged old osf5.h contents.
4057 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
4058 (EXTRA_SPECS): Removed.
4059 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
4060 reflect removal of Tru64 UNIX V4.0/V5.0 support.
4063 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4065 * doc/contrib.texi (Contributors, Rainer Orth): Update.
4067 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
4070 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
4071 __thiscall convention.
4073 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4075 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
4077 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
4079 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4081 * function.c (assign_parms_initialize_all): Add unused attribute
4084 2010-04-12 Richard Guenther <rguenther@suse.de>
4086 * gsstruct.def (GSS_CALL): New.
4087 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
4088 * gimple.h: Include tree-ssa-alias.h.
4089 (struct gimple_statement_call): New.
4090 (union gimple_statement_struct_d): Add gimple_call member.
4091 (gimple_call_reset_alias_info): Declare.
4092 (gimple_call_use_set): New function.
4093 (gimple_call_clobber_set): Likewise.
4094 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
4095 * gimple.c (gimple_call_reset_alias_info): New function.
4096 (gimple_build_call_1): Call it.
4097 * lto-streamer-in.c (input_gimple_stmt): Likewise.
4098 * tree-inline.c (remap_gimple_stmt): Likewise.
4099 (expand_call_inline): Remove callused handling.
4100 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
4101 * tree-dfa.c (dump_variable): Likewise.
4102 * tree-parloops.c (parallelize_loops): Likewise.
4103 * tree-ssa.c (init_tree_ssa): Likewise.
4104 (delete_tree_ssa): Likewise.
4105 * tree-flow-inline.h (is_call_used): Remove.
4106 * tree-flow.h (struct gimple_df): Remove callused member.
4107 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
4108 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
4109 (ref_maybe_used_by_call_p_1): Simplify.
4110 (call_may_clobber_ref_p_1): Likewise.
4111 * tree-ssa-structalias.c (compute_points_to_sets): Set
4112 the call stmt used and clobbered sets.
4113 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
4114 (find_tail_calls): Verify the tail call.
4116 2010-04-12 Richard Guenther <rguenther@suse.de>
4118 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
4119 single-iteration always-inline inlining.
4120 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
4121 (cgraph_decide_inlining): Do not handle always-inline specially.
4122 (try_inline): Remove always-inline cycle detection special case.
4123 Do not recurse on always-inlines.
4124 (cgraph_early_inlining): Do not iterate if not optimizing.
4125 (cgraph_gate_early_inlining): remove.
4126 (pass_early_inline): Run unconditionally.
4127 (gate_cgraph_decide_inlining): New function.
4128 (pass_ipa_inline): Use it. Do not run the IPA inliner if
4129 not inlining or optimizing.
4130 (cgraph_decide_inlining_of_small_functions): Also consider
4131 always-inline functions.
4132 (cgraph_default_inline_p): Return true for nodes which should
4133 disregard inline limits.
4134 (estimate_function_body_sizes): Assume zero size and time for
4135 nodes which are marked as disregarding inline limits.
4136 (cgraph_decide_recursive_inlining): Do not perform recursive
4137 inlining on always-inline nodes.
4139 2010-04-12 Jakub Jelinek <jakub@redhat.com>
4142 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
4143 for exprs satisfying handled_component_p.
4145 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
4147 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
4148 non-constant aggregate elements.
4150 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
4151 is a real initialization.
4153 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
4156 * c-decl.c (start_function): Move forward check for nested function.
4158 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
4160 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
4161 * config/sh/sh.c: Include reload.h.
4162 (sh_legitimize_reload_address): New.
4163 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
4164 sh_legitimize_reload_address.
4166 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4168 * config/sh/sh.md (*movqi_pop): New insn pattern.
4169 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
4171 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4173 * config/i386/i386.md (any_shiftrt): New code iterator.
4174 (shiftrt_insn): New code attribute.
4176 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
4177 using any_shiftrt code iterator.
4178 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
4179 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
4180 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
4181 pattern from corresponding peephole2 patterns.
4182 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
4183 using any_shiftrt code iterator.
4184 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
4185 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
4186 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
4187 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
4188 *{ashr,lshr}<mode>3_cmp_zext.
4189 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
4191 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4193 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
4195 (*lshr<mode>3_cconly): Ditto.
4197 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4199 * config/i386/i386.md (lshr<mode>3): Macroize expander from
4200 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4201 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4202 pattern from *lshr{di,ti}3_1 and corresponding splitters using
4204 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4205 from corresponding peephole2 patterns.
4206 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
4207 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
4208 and *lshrdi3_1_rex64 using SWI mode iterator.
4209 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
4210 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
4211 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
4212 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
4213 and *lshrdi3_cmp_rex64 using SWI mode iterator.
4214 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
4215 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
4216 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
4217 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
4220 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
4222 * config/i386/i386.md (ashr<mode>3): Macroize expander from
4223 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4224 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4225 pattern from *ashr{di,ti}3_1 and corresponding splitters using
4227 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4228 from corresponding peephole2 patterns.
4229 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
4230 (ashrsi3_cvt): Rename from ashrsi3_31.
4231 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
4232 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
4233 and x86_64_shift_adj_3 using SWI48 mode iterator.
4234 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
4235 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
4236 and *ashrdi3_1_rex64 using SWI mode iterator.
4237 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
4238 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
4239 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
4240 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
4241 and *ashrdi3_cmp_rex64 using SWI mode iterator.
4242 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
4243 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
4244 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
4245 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
4247 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
4248 * config/i386/i386.c (ix86_split_ashr): Update for renamed
4249 x86_shift<mode>_adj_3 expanders.
4251 2010-04-10 Wei Guozhi <carrot@google.com>
4254 * config/arm/arm.c (arm_pic_static_addr): New function.
4255 (legitimize_pic_address): Call arm_pic_static_addr when it detects
4257 (arm_output_addr_const_extra): Output expression for new pattern.
4258 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
4260 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
4262 * ira-costs.c (record_reg_classes): Ignore alternatives that are
4265 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
4266 * web.c: Include "insn-config.h" and "recog.h".
4267 (union_match_dups): New function.
4268 (web_main): Call it.
4269 (union_defs): Don't try to recognize match_dups.
4271 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
4272 if doing so would replace the entire pattern.
4274 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4278 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
4279 and splitter pattern. Change splitter operand 1 predicate to
4282 2010-04-09 Martin Jambor <mjambor@suse.cz>
4284 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
4285 lattices are addresses of CONST_DECLs with the same initial value.
4286 (ipcp_print_all_lattices): Print values of CONST_DECLs.
4287 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
4289 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
4290 Bernd Schmidt <bernds@codesourcery.com>
4292 * loop-invariant.c (replace_uses): New static function.
4293 (move_invariant_reg): Use it to ensure we can replace the uses.
4295 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
4297 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
4299 (picochip_override_options): Enable section anchors only above -O1.
4300 (picochip_reorg): Fixed a couple of build warnings.
4302 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4304 * configure.ac (plugin -rdynamic test): Log result.
4305 * configure: Regenerate.
4306 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
4307 (RDYNAMIC_SPEC): Define.
4308 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
4310 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4312 * configure.ac: Determine Sun ld version numbers.
4313 (comdat_group): Restrict GNU ld version checks to gld.
4314 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
4315 (enable_comdat): Support --enable-comdat.
4316 * configure: Regenerate.
4317 * doc/install.texi (Configuration): Document --enable-comdat.
4319 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4321 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
4322 * config/sol2-gld.h: ... here.
4323 * config.gcc (sparc*-*-solaris2*): Reflect this.
4324 (i[34567]86-*-solaris2*): Use it.
4326 2010-04-09 Steve Ellcey <sje@cup.hp.com>
4328 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
4330 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
4332 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4335 * diagnostic.c (diagnostic_initialize): Initialize
4336 some_warnings_are_errors.
4337 (diagnostic_finish): New.
4338 (diagnostic_action_after_output): Call it before exiting.
4339 (diagnostic_report_diagnostic): Do not print message here. Set
4340 some_warnings_are_errors.
4341 * diagnostic.h (diagnostic_context): Delete
4342 issue_warnings_are_errors_message. Add some_warnings_are_errors.
4343 (diagnostic_finish): Declare.
4344 * toplev.c (toplev_main): Call it before exit.
4346 2010-04-09 Jason Merrill <jason@redhat.com>
4349 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
4350 for incomplete type.
4353 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
4354 based on a warning flag.
4356 2010-04-09 Richard Guenther <rguenther@suse.de>
4358 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
4360 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
4363 * varasm.c (default_assemble_visibility): Wrap vars that are
4364 set, but unused, by targets without GAS.
4365 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
4366 Remove set, but unused, vars.
4367 (rs6000_legitimize_tls_address): Likewise.
4368 (altivec_expand_dst_builtin): Likewise.
4369 * config/darwin.c (machopic_classify_symbol): Likewise.
4370 (machopic_indirection_name): Likewise.
4372 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4374 * config/i386/i386.md (DWI): New mode iterator.
4375 (S): New mode attribute.
4376 (shift_operand): Ditto.
4377 (shift_immediate_operand): Ditto.
4378 (ashl_input_operand): Ditto.
4379 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
4380 using SDWIM mode iterator.
4381 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
4382 pattern from *ashl{di,ti}3_1 and corresponding splitters using
4384 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
4385 from corresponding peephole2 patterns.
4386 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
4387 and x86_64_shift_adj_1 using SWI48 mode iterator.
4388 (x86_shift<mode>_adj_2): Ditto.
4389 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
4390 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
4391 using SWI48 mode iterator.
4392 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
4393 *ashldi3_cmp_rex64 using SWI mode iterator.
4394 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
4395 *ashldi3_cconly_rex64 using SWI mode iterator.
4396 * config/i386/i386.c (ix86_split_ashl): Update for renamed
4397 x86_shift<mode>_adj_{1,2}.
4398 (ix86_split_ashr): Ditto.
4399 (ix86_split_lshr): Ditto.
4401 2010-04-09 Richard Guenther <rguenther@suse.de>
4403 * target.h (builtin_conversion): Pass in input and output types.
4404 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
4405 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
4406 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
4407 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
4409 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
4411 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
4413 2010-04-09 Richard Guenther <rguenther@suse.de>
4416 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
4418 2010-04-09 Richard Guenther <rguenther@suse.de>
4420 * tree-vectorizer.h (struct _stmt_vec_info): Document
4421 that vectype is the type of the LHS.
4422 (supportable_widening_operation, supportable_narrowing_operation):
4423 Get both input and output vector types as arguments.
4424 (vect_is_simple_use_1): Declare.
4425 (get_same_sized_vectype): Likewise.
4426 * tree-vect-loop.c (vect_determine_vectorization_factor):
4427 Set STMT_VINFO_VECTYPE to the vector type of the def.
4428 (vectorizable_reduction): Adjust.
4429 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
4430 Adjust. Specify the output vector type.
4431 (vect_pattern_recog_1): Adjust.
4432 * tree-vect-stmts.c (get_same_sized_vectype): New function.
4433 (vectorizable_call): Adjust.
4434 (vectorizable_conversion): Likewise.
4435 (vectorizable_operation): Likewise.
4436 (vectorizable_type_demotion): Likewise.
4437 (vectorizable_type_promotion): Likewise.
4438 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
4440 (vect_is_simple_use_1): New function.
4441 (supportable_widening_operation): Get both input and output
4443 (supportable_narrowing_operation): Likewise.
4444 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
4446 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
4448 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
4449 __thiscall and _thiscall as predefined macros.
4450 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
4451 thiscall attribute handling.
4452 (ix86_comp_type_attributes): Likewise.
4453 (ix86_function_regparm): Likewise.
4454 (ix86_return_pops_args): Likewise.
4455 (init_cumulative_args): Likewise.
4456 (find_drap_reg): Likewise.
4457 (ix86_static_chain): Likewise.
4458 (x86_this_parameter): Likewise.
4459 (x86_output_mi_thunk): Likewise.
4460 (ix86_attribute_table): Add description for thiscall attribute.
4461 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
4462 * doc/extend.texi: Add documentation for thiscall.
4464 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4467 * c.opt (Wint-to-pointer-cast): Available in C++.
4468 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
4470 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
4472 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
4473 * calls.c (expand_call): Pass the function type to aggregate_value_p.
4474 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
4475 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
4476 function type instead. Reorder and simplify checks.
4478 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
4480 2010-04-08 Jing Yu <jingyu@google.com>
4481 Zdenek Dvorak <ook@ucw.cz>
4483 PR tree-optimization/42720
4484 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
4485 loop unswitch conditions here from ...
4486 (tree_unswitch_single_loop): ... here.
4488 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4490 * tree-if-conv.c: Fix comments and simplify logic.
4492 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4494 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
4495 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
4496 (main_tree_if_conversion): Update call to tree_if_conversion.
4498 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
4501 * doc/invoke.texi (-b,-V): Delete.
4502 * doc/tm.texi: Do not mention -b.
4503 * gcc.c (display_help): Delete -b and -V.
4504 (process_command): Delete -b and -V.
4505 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
4507 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
4508 Wolfgang Gellerich <gellerich@de.ibm.com>
4510 Implement target hook for loop unrolling
4511 * target.h (loop_unroll_adjust): Add a new target hook function.
4512 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
4513 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
4514 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
4515 (s390_loop_unroll_adjust): Implement the new target hook for s390.
4516 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
4518 (decide_unroll_stupid): Likewise.
4520 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4523 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
4525 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4527 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
4528 (Specific, *-*-solaris2*): Likewise.
4529 Don't prefer Sun as over GNU as.
4531 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
4533 * config/s390/s390.c (override_options): Adjust the z10 defaults
4534 for max-unroll-times, max-completely-peeled-insns
4535 and max-completely-peel-times.
4537 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4539 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
4540 instructions for z10.
4541 (s390_expand_setmem): Likewise.
4542 (s390_expand_cmpmem): Likewise.
4544 2010-04-08 Richard Guenther <rguenther@suse.de>
4546 PR tree-optimization/43679
4547 * tree-ssa-pre.c (eliminate): Only propagate copies.
4549 2010-04-08 Jakub Jelinek <jakub@redhat.com>
4552 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
4553 set but not used variable warning.
4555 2010-04-08 Wei Guozhi <carrot@google.com>
4558 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
4559 (arm_size_rtx_costs): Call the new function when optimized for size.
4561 2010-04-08 Jakub Jelinek <jakub@redhat.com>
4564 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
4565 op0 is not a MEM, just return NULL instead of assertion
4567 (discover_nonconstant_array_refs): Don't walk debug stmts.
4569 2010-04-08 Doug Kwan <dougkwan@google.com>
4571 * configure.ac: Recognize gold and do not use its version number
4572 to test ld features.
4573 * configure: Regenerate.
4575 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
4578 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
4579 (negate_value): Move code to push elements to broken_up_substracts ...
4580 (eliminate_plus_minus_pair): ... here. Push operands that have no
4581 negative pair to plus_negates.
4582 (repropagate_negates, init_reassoc, fini_reassoc): Update.
4584 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4586 * doc/install.texi (Configuration): Move description of
4587 --enable-lto, --with-libelf*, --enable-gold from Java section to
4590 * doc/generic.texi (Working with declarations)
4591 (Function Properties, C and C++ Trees): Fix typos.
4592 * doc/sourcebuild.texi (Top Level): Likewise.
4594 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4597 * tree.h (DECL_READ_P): Define.
4598 (struct tree_decl_common): Add decl_read_flag.
4599 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
4600 a set but not used warning.
4601 (merge_decls): Merge DECL_READ_P flag.
4602 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
4603 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
4604 * c-common.c (handle_used_attribute, handle_unused_attribute):
4606 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
4608 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
4610 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
4611 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
4612 c_parser_binary_expression, c_parser_cast_expression,
4613 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
4614 Call default_function_array_read_conversion instead of
4615 default_function_array_conversion where needed.
4616 (c_parser_unary_expression, c_parser_conditional_expression,
4617 c_parser_postfix_expression_after_primary, c_parser_initelt):
4618 Likewise. Call mark_exp_read where needed.
4619 (c_parser_statement_after_labels, c_parser_asm_operands,
4620 c_parser_typeof_specifier, c_parser_sizeof_expression,
4621 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
4623 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
4625 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
4626 (warn_unused_but_set_parameter): Default to warn_unused
4628 * doc/invoke.texi: Document -Wunused-but-set-variable and
4629 -Wunused-but-set-parameter.
4631 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
4632 used count variable.
4633 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
4634 when operandN variables aren't used in the body of the expander
4636 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
4637 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
4638 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
4639 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
4640 FOR_EACH_IMM_USE_ON_STMT): Likewise.
4641 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
4642 * tree.c (PROCESS_ARG): Likewise.
4644 2010-04-07 Simon Baldwin <simonb@google.com>
4646 * diagnostic.h (diagnostic_override_option_index): New macro to
4647 set a diagnostic's option_index.
4648 * c-tree.h (c_cpp_error): Add warning reason argument.
4649 * opts.c (_warning_as_error_callback): New.
4650 (register_warning_as_error_callback): Store callback for
4651 warnings enabled via enable_warning_as_error.
4652 (enable_warning_as_error): Call callback, minor code tidy.
4653 * opts.h (register_warning_as_error_callback): Declare.
4654 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
4655 response to -Werror=.
4656 (c_common_init_options): Register warning_as_error_callback in opts.c.
4657 * common.opt: Add -Wno-cpp option.
4658 * c-common.c (struct reason_option_codes_t): Map cpp warning
4659 reason codes to gcc option indexes.
4660 * (c_option_controlling_cpp_error): New function, lookup the gcc
4661 option index for a cpp warning reason code.
4662 * (c_cpp_error): Add warning reason argument, call
4663 c_option_controlling_cpp_error for diagnostic_override_option_index.
4664 * doc/invoke.texi: Document -Wno-cpp.
4666 2010-04-07 Richard Guenther <rguenther@suse.de>
4668 * ipa-reference.c (mark_load): Use get_base_address.
4669 (mark_store): Likewise.
4671 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
4672 inserting GIMPLE_NOPs into the IL.
4673 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4674 Explicitly strip handled components and indirect references.
4676 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
4677 folding address expressions.
4678 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
4679 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
4680 operand_equal_p to compare decls.
4681 (ptr_deref_may_alias_decl_p): Likewise.
4682 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
4683 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
4684 Handle reversed comparison ops.
4685 * tree-sra.c (asm_visit_addr): Use get_base_address.
4686 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
4687 * ipa-reference.c (mark_address): Use get_base_address.
4689 2010-04-07 Richard Guenther <rguenther@suse.de>
4691 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
4692 Propagate constants everywhere.
4694 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4697 * tree.c (MAX_INT_CACHED_PREC): Define.
4698 (nonstandard_integer_type_cache): New array.
4699 (build_nonstandard_integer_type): Cache results for precision
4700 <= MAX_INT_CACHED_PREC.
4702 2010-04-07 Richard Guenther <rguenther@suse.de>
4704 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
4705 -fargument-noalias-global, -fargument-noalias-anything): Remove.
4706 * common.opt: Likewise.
4707 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
4708 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
4709 (nonoverlapping_memrefs_p): Likewise.
4710 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4711 * opts.c (common_handle_option): Handle OPT_fargument_alias,
4712 OPT_fargument_noalias, OPT_fargument_noalias_anything and
4713 OPT_fargument_noalias_global for backward compatibility.
4715 2010-04-07 Richard Guenther <rguenther@suse.de>
4717 PR tree-optimization/43270
4718 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
4719 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
4720 * tree-ssa-pre.c (phi_translate_1): Adjust.
4721 (fully_constant_expression): Split out vn_reference handling to ...
4722 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
4723 Fold reads from constant strings.
4724 (vn_reference_lookup): Handle fully constant references.
4725 (vn_reference_lookup_pieces): Likewise.
4726 * Makefile.in (expmed.o-warn): Add -Wno-error.
4728 2010-04-07 Martin Jambor <mjambor@suse.cz>
4730 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
4732 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
4735 * gcc.c: Add -static-libstdc++ to list of recognized options.
4737 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4739 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
4741 2010-04-07 Richard Guenther <rguenther@suse.de>
4744 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
4745 bases build simple mem attributes to retain points-to information.
4747 2010-04-07 Richard Guenther <rguenther@suse.de>
4750 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
4751 preserve points-to related information.
4753 2010-04-07 Richard Guenther <rguenther@suse.de>
4756 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
4757 discard plain indirect references.
4758 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
4759 * tree.c (tree_nop_conversion): Likewise.
4761 2010-04-07 Dodji Seketeli <dodji@redhat.com>
4764 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
4766 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
4768 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
4769 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
4771 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4773 * tree-if-conv.c: Fix indentation and comments.
4775 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4777 * tree-if-conv.c: Sort static functions in topological order.
4779 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4781 * tree-if-conv.c: Fix indentation and comments.
4783 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4786 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
4787 lang_hooks.types.type_for_size instead of
4788 build_nonstandard_integer_type.
4789 When converting an unsigned type to signed, double its precision.
4790 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
4791 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
4792 (graphite_create_new_loop_guard): When ub + 1 wraps around,
4795 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4798 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
4799 POINTER_PLUS_EXPR for pointer types.
4801 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4804 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
4805 * graphite-clast-to-gimple.c: Include langhooks.h.
4806 (max_signed_precision_type): New.
4807 (max_precision_type): Takes two types as arguments.
4808 (precision_for_value): New.
4809 (precision_for_interval): New.
4810 (gcc_type_for_interval): New.
4811 (gcc_type_for_value): New.
4812 (gcc_type_for_clast_term): New.
4813 (gcc_type_for_clast_red): New.
4814 (gcc_type_for_clast_bin): New.
4815 (gcc_type_for_clast_expr): Split up into several functions.
4816 (gcc_type_for_clast_eq): Rewritten.
4817 (compute_bounds_for_level): New.
4818 (compute_type_for_level_1): New.
4819 (compute_type_for_level): New.
4820 (gcc_type_for_cloog_iv): Removed.
4821 (gcc_type_for_iv_of_clast_loop): Rewritten.
4822 (graphite_create_new_loop): Compute the lower and upper bound types
4823 with gcc_type_for_clast_expr.
4824 (graphite_create_new_loop_guard): Same.
4825 (find_cloog_iv_in_expr): Removed.
4826 (compute_cloog_iv_types_1): Removed.
4827 (compute_cloog_iv_types): Removed.
4828 (gloog): Do not call compute_cloog_iv_types.
4829 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
4831 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
4832 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
4833 (GBB_CLOOG_IV_TYPES): Removed.
4835 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4837 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
4838 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
4839 (detect_commutative_reduction): Same.
4841 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4843 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
4844 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
4846 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
4847 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
4848 (rewrite_commutative_reductions_out_of_ssa): Same.
4849 * passes.c (execute_function_todo): Call verify_ssa for every pass
4850 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
4851 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
4852 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
4853 with an extra argument.
4854 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
4855 verify_ssa only when the extra argument is true.
4856 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
4857 with an extra argument.
4858 (tree_transform_and_unroll_loop): Same.
4860 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4862 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
4863 for all the passes of the LNO having LOOP_CLOSED_SSA.
4864 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
4865 * tree-loop-distribution.c (pass_loop_distribution): Same.
4866 * tree-pass.h (TODO_verify_loops): Removed.
4867 * tree-ssa-loop.c (pass_tree_loop_init): Same.
4869 (pass_tree_unswitch): Same.
4870 (pass_predcom): Same.
4871 (pass_vectorize): Same.
4872 (pass_linear_transform): Same.
4873 (pass_graphite_transforms): Same.
4874 (pass_iv_canon): Same.
4875 (pass_complete_unroll): Same.
4876 (pass_complete_unrolli): Same.
4877 (pass_parallelize_loops): Same.
4878 (pass_loop_prefetch): Same.
4879 (pass_iv_optimize): Same.
4881 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
4884 * passes.c (init_optimization_passes): Move pass_lim before
4885 pass_copy_prop and pass_dce_loop.
4887 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4890 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
4891 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
4892 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
4893 MULTI_* defines for 4 argument vpermil2p* builtins.
4895 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4897 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
4898 * config/i386/i386.c (x86_maybe_negate_const_int): New.
4899 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
4900 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
4901 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
4902 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
4903 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
4904 Use x86_maybe_negate_const_int to output insn mnemonic.
4905 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
4906 check from instruction predicate. Update comments.
4907 * config/i386/sync.md (sync_add<mode>): Use
4908 x86_maybe_negate_const_int to output insn mnemonic.
4910 2010-04-06 Jan Hubicka <jh@suse.cz>
4912 PR tree-optimization/42906
4913 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
4914 IGNORE_SELF argument. Set visited_control_parents for fully
4916 (find_obviously_necessary_stmts): Update call of
4917 mark_control_dependent_edges_necessary.
4918 (propagate_necessity): Likewise. Handle PHI edges more curefully.
4920 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4922 * config/i386/i386.md: Remove comment about 'e' and 'E'
4925 2010-04-06 Richard Guenther <rguenther@suse.de>
4927 PR tree-optimization/43627
4928 * tree-vrp.c (extract_range_from_unary_expr): Widenings
4929 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
4932 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4934 * BASE-VER: Change to 4.6.0.
4937 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
4940 2010-04-06 Richard Guenther <rguenther@suse.de>
4943 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4945 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4947 * doc/invoke.texi (Optimize Options): Document that LTO
4948 won't remove object access purely due to incompatible
4951 2010-04-04 Matthias Klose <doko@ubuntu.com>
4953 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4954 Initialize variable.
4956 2010-04-03 Richard Guenther <rguenther@suse.de>
4959 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
4960 require a non-NULL MEM_OFFSET.
4962 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
4964 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
4965 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
4966 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
4967 config/alpha/predicates.md, config/arm/arm.md,
4968 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
4969 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
4970 config/darwin9.h, config/darwin.c, config/darwin.h,
4971 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
4972 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
4973 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
4974 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
4975 config/mips/mips.md, config/mn10300/mn10300.c,
4976 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
4977 config/rs6000/aix.h, config/rs6000/dfp.md,
4978 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
4979 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
4980 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
4981 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
4982 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
4983 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
4984 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
4985 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
4986 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
4987 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
4988 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
4989 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
4990 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
4991 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
4992 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
4993 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
4994 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
4995 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
4996 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
4997 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
4998 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
4999 opt-functions.awk, opth-gen.awk, params.def, passes.c,
5000 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
5001 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
5002 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
5003 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
5004 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
5005 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
5006 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
5007 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
5008 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
5009 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
5010 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
5011 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
5012 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
5013 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
5015 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5018 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
5019 * aclocal.m4: Regenerate.
5021 2010-04-02 Richard Guenther <rguenther@suse.de>
5023 PR tree-optimization/43629
5024 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
5025 if we have seen a constant value.
5027 2010-04-02 Joseph Myers <joseph@codesourcery.com>
5029 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
5031 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
5034 * arm.c (legitimize_tls_address): Adjust call to
5035 gen_tls_load_dot_plus_four.
5036 (arm_note_pic_base): New function.
5037 (arm_cannot_copy_insn_p): Use it.
5038 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
5041 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5046 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5048 * Makefile.in ($(out_object_file)): Depend on
5049 gt-$(basename $(notdir $(out_file))).h.
5051 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
5053 * config.gcc (lm32-*-rtems*): Add t-lm32.
5055 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
5057 * config.gcc: Add lm32-*-rtems*.
5058 * config/lm32/rtems.h: New file.
5060 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
5063 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
5065 2010-04-01 Jakub Jelinek <jakub@redhat.com>
5067 * dwarf2out.c (output_compilation_unit_header): For
5068 -gdwarf-4 use version 4 instead of version 3.
5069 (output_line_info): For version 4 and above emit additional
5070 maximum ops per insn header field.
5071 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
5073 * dwarf2out.c (is_c_family, is_java): Remove.
5074 (lower_bound_default): New function.
5075 (add_bound_info, gen_descr_array_type_die): Use it.
5077 2010-04-01 Dodji Seketeli <dodji@redhat.com>
5080 * dwarf2out.c (gen_variable_die): Allow debug info for variable
5081 re-declaration when it happens in a function.
5083 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
5085 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
5086 (cgraph_remove_function_insertion_hook): Same.
5087 (cgraph_call_function_insertion_hooks): Same.
5089 2010-04-01 Richard Guenther <rguenther@suse.de>
5092 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
5093 and TREE_THIS_VOLATILE.
5094 (copy_ref_info): Likewise.
5095 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
5096 * tree.c (build6_stat): Ignore side-effects of all but arg5
5097 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
5100 2010-04-01 Richard Guenther <rguenther@suse.de>
5102 PR tree-optimization/43607
5103 * ipa-type-escape.c (check_call): Do not access non-existing
5106 2010-04-01 Richard Guenther <rguenther@suse.de>
5110 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5111 Jack Howarth <howarth@bromo.med.uc.edu>
5113 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5116 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5118 * doc/install.texi (Prerequisites): Document libelf usability on
5119 IRIX 5/6 and Solaris 2.
5120 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
5121 Update GNU as, GNU ld requirements.
5122 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
5123 Document Sun Studio compiler download.
5124 Update and simplify as, ld recommendations.
5125 (Specific, *-*-solaris2.7): Note obsoletion, removal.
5127 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5129 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
5130 with_tune_32 to pentium4.
5132 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
5134 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
5136 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5138 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
5139 obsoletion, removal.
5141 Document GNU as requirement.
5142 Update configure requirements.
5143 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
5144 Recomment IRIX 6.5.18+.
5145 Document IDF/IDL requirement.
5146 Document GNU as requirement.
5147 Document GNU ld bootstrap failure.
5148 Remove freeware.sgi.com reference.
5150 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5152 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
5153 UNIX V4.0, V5.0 obsoletion, removal.
5154 Remove --with-gc=simple reference.
5155 Update VM requirements during bootstrap.
5156 Remove -oldas bootstrap description.
5157 Update binutils reference.
5158 Remove comparison failure note.
5160 2010-03-31 Richard Guenther <rguenther@suse.de>
5161 Zdenek Dvorak <ook@ucw.cz>
5162 Sebastian Pop <sebastian.pop@amd.com>
5165 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
5166 with multiple arguments.
5167 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
5169 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5171 * graphite-dependences.c (print_pddr): Call print_pdr with an
5173 * graphite-poly.c (debug_pdr): Add an extra argument for the
5176 (print_pbb_domain): Same.
5178 (print_scop_context): Same.
5180 (print_cloog): Same.
5181 (debug_pbb_domain): Same.
5185 (debug_scop_context): Same.
5187 (debug_cloog): Same.
5188 (print_scop_params): Same.
5189 (debug_scop_params): Same.
5190 (print_iteration_domain): Same.
5191 (print_iteration_domains): Same.
5192 (debug_iteration_domain): Same.
5193 (debug_iteration_domains): Same.
5194 (print_scattering_function): Same.
5195 (print_scattering_functions): Same.
5196 (debug_scattering_function): Same.
5197 (debug_scattering_functions): Same.
5198 * graphite-poly.h (debug_pdr): Update declaration.
5200 (print_pbb_domain): Same.
5202 (print_scop_context): Same.
5204 (print_cloog): Same.
5205 (debug_pbb_domain): Same.
5209 (debug_scop_context): Same.
5211 (debug_cloog): Same.
5212 (print_scop_params): Same.
5213 (debug_scop_params): Same.
5214 (print_iteration_domain): Same.
5215 (print_iteration_domains): Same.
5216 (debug_iteration_domain): Same.
5217 (debug_iteration_domains): Same.
5218 (print_scattering_function): Same.
5219 (print_scattering_functions): Same.
5220 (debug_scattering_function): Same.
5221 (debug_scattering_functions): Same.
5223 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5225 * graphite-poly.c (print_scattering_function_1): New.
5226 (print_scattering_function): Call it.
5227 (print_scop_params): Remove spaces at the end of lines.
5230 * graphite-poly.h (print_cloog): Declared.
5231 (debug_cloog): Declared.
5233 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5235 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
5237 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
5238 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
5239 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
5240 to switch between adding the IV bump in loop->latch or in loop->header.
5242 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5244 * graphite-poly.c (print_scattering_function): Pretty print following
5247 (print_pbb_domain): Same.
5248 (dump_gbb_cases): Same.
5249 (dump_gbb_conditions): Same.
5252 (print_scop_params): Same.
5253 (print_scop_context): Same.
5255 (print_pbb_body): New.
5256 (lst_indent_to): New.
5257 (print_lst): Start new lines with a #.
5258 * graphite-poly.h (pbb_bb): New.
5259 (pbb_index): Use pbb_bb.
5260 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
5262 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
5264 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5266 * dwarf2out.c (size_of_die): For -gdwarf-4 use
5267 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
5268 and 0 instead of 1 for dw_val_class_flag.
5269 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
5270 dw_val_class_range_list, dw_val_class_loc_list,
5271 dw_val_class_lineptr and dw_val_class_macptr, use
5272 DW_FORM_flag_present for dw_val_class_flag and
5273 DW_FORM_exprloc for dw_val_class_loc.
5274 (output_die): For -gdwarf-4 print dw_val_class_loc
5275 size as uleb128 instead of 1 or 2 bytes and don't print
5276 anything for dw_val_class_flag.
5278 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
5279 instead of cselib_lookup following by tweaking locs->setting_insn.
5282 * cselib.c (cselib_process_insn): Clear cselib_current_insn
5283 even before returning from label, setjmp call or volatile asm
5286 2010-03-31 Richard Guenther <rguenther@suse.de>
5289 * cgraphunit.c (cgraph_output_in_order): Do not allocate
5290 temporary data on stack.
5292 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5294 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
5295 (PUSHSECTION_ASM_OP): Remove.
5296 (POPSECTION_ASM_OP): Remove.
5297 (PUSHSECTION_FORMAT): Remove.
5298 * config/sol2.h (PUSHSECTION_FORMAT): Define.
5299 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
5300 * config/sol2.c (solaris_output_init_fini): Use it.
5302 2010-03-31 Jie Zhang <jie@codesourcery.com>
5305 * opt-functions.awk (var_type_struct): Use signed char type
5306 for simple variables.
5308 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5310 * config/sol2.c: Include output.h.
5311 (solaris_assemble_visibility): New function.
5312 * config/t-sol2 (sol2.o): Add output.h dependency.
5313 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
5314 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
5317 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5320 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
5321 V2SImode or XFmode on PRE_DEC.
5324 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
5327 2010-03-31 Jie Zhang <jie@codesourcery.com>
5330 * reload.h (caller_save_initialized_p): Declare.
5331 * toplev.c (backend_init_target): Don't call
5332 init_caller_save but set caller_save_initialized_p to false.
5333 * caller-save.c (caller_save_initialized_p): Define.
5334 (init_caller_save): Check caller_save_initialized_p.
5335 * ira.c (ira): Call init_caller_save if flag_caller_saves.
5337 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5340 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
5341 and soft-fp/t-softfp to tmake_file.
5342 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
5343 (LIBGCC2_TF_CEXT): Define.
5346 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
5349 * cselib.c (n_useless_values): Document handling of debug locs.
5350 (n_useless_debug_values, n_debug_values): New variables.
5351 (new_elt_loc_list): Don't add to debug values, keep count.
5352 (promote_debug_loc): New.
5353 (cselib_reset_table): Zero new variables.
5354 (entry_and_rtx_equal_p): Promote debug locs.
5355 (discard_useless_locs): Increment n_useless_debug_values for
5357 (remove_useless_values): Adjust n_useless_values and n_debug_values
5358 with n_useless_debug_values.
5359 (add_mem_for_addr): Promote debug locs.
5360 (cselib_lookup_mem): Likewise.
5361 (cselib_lookup_addr): Renamed to...
5362 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
5363 (cselib_log_lookup): ... this. Turn into...
5364 (cselib_lookup_addr): ... new wrapper.
5365 (cselib_lookup_from_insn): New.
5366 (cselib_invalidate_regno): Increment n_useless_debug_values for
5368 (cselib_invalidate_mem): Likewise.
5369 (cselib_process_insn): Take n_deleted and n_debug_values into
5370 account to guard remove_useless_value call.
5371 (cselib_finish): Zero n_useless_debug_values.
5372 * cselib.h (cselib_lookup_from_insn): Declare.
5373 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
5374 (sched_analyze_2): Likewise.
5376 2010-03-30 Jakub Jelinek <jakub@redhat.com>
5378 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
5380 (adjust_mems): Replace narrowing SUBREG of expression containing
5381 just PLUS, MINUS, MULT and ASHIFT of registers and constants
5382 with operations in the narrower mode.
5385 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
5386 regs_invalidated_by_call instead all call_used_reg_set registers.
5388 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
5391 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
5392 pointer comparisons with types_compatible_p.
5393 * tree-vect-stmts.c (vectorizable_call): Same.
5394 (vectorizable_condition): Same.
5396 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5398 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
5399 stack check if the mask would be zero.
5401 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5402 Jack Howarth <howarth@bromo.med.uc.edu>
5404 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5407 2010-03-30 Joseph Myers <joseph@codesourcery.com>
5410 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
5412 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
5413 Include ___unordxf2 and ___unordtf2.
5414 * config/i386/libgcc-glibc.ver: Do not define inheritance from
5417 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
5419 * config/lm32/t-lm32: New file.
5420 * config.gcc: Use the above file when targetting lm32.
5422 2010-03-28 Duncan Sands <baldrick@free.fr>
5424 * Makefile.in (PLUGIN_HEADERS): Add except.h.
5426 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5429 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
5430 Improve vectorization cost model diagnostic.
5432 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5435 * tree-vect-data-refs.c (vect_analyze_data_refs): When
5436 compute_data_dependences_for_loop returns false, early exit
5437 and output an extra diagnostic for the failed data reference
5440 2010-03-29 Richard Guenther <rguenther@suse.de>
5442 PR tree-optimization/43560
5443 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
5444 (can_sm_ref_p): Treat stores to readonly locations as trapping.
5446 2010-03-29 Jie Zhang <jie@codesourcery.com>
5449 * toplev.c (process_options): Set optimization_default_node
5450 and optimization_current_node.
5451 * opts.c (decode_options): Don't set optimization_default_node
5452 and optimization_current_node.
5454 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
5456 * config/rtems.h: Abandon -qrtems_debug.
5458 2010-03-28 Jan Hubicka <jh@suse.cz>
5460 PR tree-optimization/43505
5461 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
5462 map should not be copied.
5464 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5467 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
5468 cdtors, set DECL_PRESERVE_P.
5469 * ipa.c (cgraph_externally_visible_p): Return true if declaration
5472 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
5474 PR tree-optimization/43528
5475 * stor-layout.c (place_field): Check that constant fits into
5476 unsigned HWI when skipping calculation of MS bitfield layout.
5478 2010-03-27 Jan Hubicka <jh@suse.cz>
5481 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
5482 notice_global_symbol work.
5484 2010-03-27 Jakub Jelinek <jakub@redhat.com>
5486 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
5487 instead of dwarf2out_decl.
5488 (struct var_loc_node): Remove section_label field.
5489 (dwarf2out_function_decl): New function.
5490 (dwarf2out_var_location): Don't set section_label field.
5491 (dwarf2out_begin_function): Don't empty decl_loc_table here.
5493 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
5495 PR tree-optimization/43544
5496 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5497 First argument for builtin vectorized function hook is now a
5498 tree to be able to distinguish between machine specific and
5500 * targhooks.c (default_builtin_vectorized_function): Ditto.
5501 * targhooks.h (default_builtin_vectorized_function): Ditto.
5502 * target.h (struct gcc_target): Ditto.
5503 * tree-vect-stmts.c (vectorizable_function): Ditto.
5504 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
5505 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
5508 2010-03-26 Joseph Myers <joseph@codesourcery.com>
5511 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
5512 nested binding iff it is a FUNCTION_DECL.
5513 (store_parm_decls_newstyle): Pass nested=true to bind for
5514 FUNCTION_DECLs amongst parameters.
5516 2010-03-26 Jakub Jelinek <jakub@redhat.com>
5518 * var-tracking.c (vt_expand_loc_callback): Don't run
5519 cselib_expand_value_rtx_cb in dummy mode if
5520 cselib_dummy_expand_value_rtx_cb returned false.
5522 * var-tracking.c (emit_note_insn_var_location): For one part
5523 notes with offset 0, don't add EXPR_LIST around the location.
5524 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
5525 add_location_or_const_value_attribute): Adjust for that change.
5528 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
5529 into first operand and location into second.
5530 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
5531 dw_cfi_oprnd_loc for DW_CFA_expression.
5532 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
5533 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
5534 assume first argument is regnum and second argument is location.
5536 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
5539 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
5540 of scratch register to DImode. Split to DImode comparison operator.
5541 Use SImode subreg of scratch register in the multiplication.
5542 (*cmp_sadd_sidi): Ditto.
5543 (*cmp_ssub_si): Ditto.
5544 (*cmp_ssub_sidi): Ditto.
5546 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
5549 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
5550 Remove invalid assert and wrong comment.
5552 2010-03-26 Jakub Jelinek <jakub@redhat.com>
5555 * flags.h (final_insns_dump_p): New extern.
5556 * final.c (final_insns_dump_p): New variable.
5557 (rest_of_clean_state): Set it before -fdump-final-insns=
5558 dumping, clear afterwards.
5559 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
5560 MEM_ALIAS_SET on MEMs.
5562 2010-03-26 David S. Miller <davem@davemloft.net>
5564 * configure.ac: Fix sparc GOTDATA_OP bug check.
5565 * configure: Rebuild.
5567 2010-03-26 Alan Modra <amodra@gmail.com>
5569 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
5571 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5573 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
5574 TLS_SECTION_ASM_FLAG.
5576 2010-03-25 Jakub Jelinek <jakub@redhat.com>
5579 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
5580 Clear first_function_block_is_cold.
5583 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
5584 argument if the argument is truth_value_p.
5586 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
5588 * config/rs6000/constraints.md: Update copyright year for my changes.
5591 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
5592 used in reg+reg addressing, swap registers.
5594 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5597 * target.h (struct gcc_target): Add code_end hook.
5598 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
5600 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
5601 * toplev.c (compile_file): Call targetm.asm_out.code_end
5602 hook before unwind info/debug info output.
5603 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
5604 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
5605 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5606 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
5607 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5608 * config/i386/i386.c (ix86_file_end): Renamed to...
5609 (ix86_code_end): ... this. Make static. Don't call
5610 file_end_indicate_exec_stack. Emit unwind info using
5611 final_start_function/final_end_function.
5612 (darwin_x86_file_end): Remove.
5613 (TARGET_ASM_CODE_END): Define.
5614 * config/i386/i386.h (TARGET_ASM_FILE_END,
5615 NEED_INDICATE_EXEC_STACK): Don't define.
5616 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
5617 (TARGET_ASM_FILE_END): Define to darwin_file_end.
5618 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
5619 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
5622 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
5623 at the beginning and final_end_function at the end.
5624 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
5626 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5628 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
5629 and Sun as TLS syntax.
5630 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
5631 * configure: Regenerate.
5632 * config.in: Regenerate.
5633 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
5634 (default_elf_asm_named_section): Use it.
5635 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
5636 (i386_output_dwarf_dtprel): Likewise.
5637 (output_addr_const_extra): Likewise.
5638 (output_pic_addr_const): Lowercase @GOTTPOFF.
5639 (output_addr_const_extra): Likewise.
5640 (output_pic_addr_const): Lowercase @GOTNTPOFF.
5641 (output_addr_const_extra): Likewise.
5642 (output_pic_addr_const): Lowercase @INDNTPOFF.
5643 (output_addr_const_extra): Likewise.
5644 (output_pic_addr_const): Lowercase @NTPOFF.
5645 (output_addr_const_extra): Likewise.
5646 (output_pic_addr_const): Lowercase @TPOFF.
5647 (output_addr_const_extra): Likewise.
5648 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
5649 (*tls_global_dynamic_64): Likewise.
5650 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
5651 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
5653 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
5654 (ASM_OUTPUT_TLS_COMMON): Use it.
5655 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
5658 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
5659 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
5660 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
5661 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
5662 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5663 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
5665 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5667 * config/i386/i386.c (override_options): Don't accept
5668 -mtls-dialect=sun any longer.
5669 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
5670 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
5671 (*tls_local_dynamic_base_32_sun): Likewise.
5672 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5674 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5677 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5678 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
5681 * ira.c (adjust_cleared_regs): New function.
5682 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
5686 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
5688 * expr.c (expand_expr_real): Restore previous
5689 curr_insn_source_location and curr_insn_block after
5690 expand_expr_real_1 call.
5691 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
5692 instead of expand_expr_real_1.
5694 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
5696 PR rtl-optimization/43413
5697 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
5700 2010-03-22 James E. Wilson <wilson@codesourcery.com>
5703 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
5704 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
5706 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
5708 * config/i386/i386.c (ix86_target_string): Add -mfma.
5709 Fix a typo in comment.
5711 2010-03-22 Mike Stump <mikestump@comcast.net>
5714 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5715 Don't overly align based upon packed packed fields.
5717 2010-03-22 Jason Merrill <jason@redhat.com>
5719 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
5720 Use () rather than [], and move before the element type.
5722 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5724 * doc/configfiles.texi (Configuration Files): Removed
5725 fixinc/Makefile*, intl/Makefile.*.
5726 * doc/makefile.texi: Fixed markup. Abstract from version
5727 control system used.
5728 (Makefile): Removed obsolete gcc/java/parse.y example.
5729 * doc/sourcebuild.texi: Likewise.
5730 (Top Level): Added config, gnattools, libdecnumber, libgcc,
5731 libgomp, libssp. Removed fastjar.
5732 (Miscellaneous Docs): Clarify location.
5733 Added COPYING3, COPYING3.LIB.
5734 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
5736 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5739 * config/i386/i386.c (x86_function_profiler)
5740 [!NO_PROFILE_COUNTERS]: Fix typo.
5741 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
5744 2010-03-22 Janis Johnson <janis187@us.ibm.com>
5745 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5747 * doc/sourcebuild.texi (Test Directives): Split into six
5748 subsections, with most of the current text in new subsections
5749 Directives, Selectors, and Final Actions.
5750 (Directives): Split list of test directives into multiple
5752 (Selectors): Describe use and syntax of selectors.
5753 (Effective-Target Keywords): Describe all existing keywords.
5754 (Add Options): Describe features for dg-add-options.
5755 (Require Support): Describe variants of dg-require-support.
5756 (Final Actions): Describe commands to use in dg-final.
5758 2010-03-22 Michael Matz <matz@suse.de>
5761 * recog.c (validate_replace_rtx_group): Replace also in
5762 REG_EQUAL and REG_EQUIV notes.
5764 2010-03-22 Richard Guenther <rguenther@suse.de>
5766 PR tree-optimization/43390
5767 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
5768 sure vector extracts are type correct.
5770 2010-03-22 Richard Guenther <rguenther@suse.de>
5773 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
5774 x * sqrt (x) even when optimizing for size if the target
5775 has native support for sqrt.
5777 2010-03-22 Jakub Jelinek <jakub@redhat.com>
5779 * varasm.c (make_decl_rtl_for_debug): Also clear
5780 flag_mudflap for the duration of make_decl_rtl call.
5783 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
5784 locs from preserved VALUEs.
5786 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5789 * pa.md (movmemsi): Set align to one if zero.
5790 (movmemdi): Likewise.
5792 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
5795 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
5796 with their corresponding prologue pushes.
5798 2010-03-20 Andrew Pinski <pinskia@gmail.com>
5801 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
5802 at the begining or end.
5803 (spu_expand_epilogue): Likewise.
5805 2010-03-20 Richard Guenther <rguenther@suse.de>
5807 PR rtl-optimization/43438
5808 * combine.c (make_extraction): Properly zero-/sign-extend an
5809 extraction of the low part of a CONST_INT. Also handle
5812 2010-03-19 Mike Stump <mikestump@comcast.net>
5814 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
5815 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
5816 (override_options): Use SUBTARGET32_DEFAULT_CPU.
5818 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5821 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
5824 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
5826 PR rtl-optimization/42258
5827 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
5828 use that may match DEF.
5831 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
5832 the cost of loading the constant rather than assuming
5834 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
5835 outer code is AND, do the same tests as the andsi3 expander and
5836 return COSTS_N_INSNS (1) if and is cheap.
5838 * optabs.c (avoid_expensive_constant): Fix formatting.
5840 2010-03-19 Michael Matz <matz@suse.de>
5843 * attribs.c (decl_attributes): When rebuilding a function pointer
5844 type use the same qualifiers as the original pointer type.
5846 2010-03-19 Martin Jambor <mjambor@suse.cz>
5848 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
5849 and is_gimple_ip_invariant_address.
5851 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5854 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5856 * config/arm/arm.c (arm_override_options): Turn off
5857 flag_dwarf2_cfi_asm for AAPCS variants.
5859 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5862 * config/arm/arm.c (emit_multi_reg_push): Update comments.
5863 Use PRE_MODIFY instead of PRE_DEC.
5864 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
5865 (vfp_emit_fstmd): Likewise.
5867 2010-03-19 Michael Matz <matz@suse.de>
5870 * builtins.c (expand_builtin_interclass_mathfn,
5871 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
5874 2010-03-19 Richard Guenther <rguenther@suse.de>
5876 PR tree-optimization/43415
5877 * tree-ssa-pre.c (phi_translate): Split out worker to ...
5878 (phi_translate_1): ... this.
5879 (phi_translate): Move all caching here. Cache all NARY
5880 and REFERENCE translations.
5882 2010-03-19 David S. Miller <davem@davemloft.net>
5884 With help from Eric Botcazou.
5885 * config/sparc/sparc.c: Include dwarf2out.h.
5886 (emit_pic_helper): Delete.
5887 (pic_helper_symbol_name): Delete.
5888 (pic_helper_emitted_p): Delete.
5889 (pic_helper_needed): New.
5890 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
5891 (get_pc_thunk_name): New.
5892 (load_pic_register): Remove 'delay_pic_helper' arg. Use
5893 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
5894 Set pic_helper_needed to true. Don't call emit_pic_helper.
5895 (sparc_expand_prologue): Update load_pic_register call.
5896 (sparc_output_mi_thunk): Likewise.
5897 (sparc_file_end): Emit a hidden comdat symbol for the PIC
5898 thunk if possible. Output CFI information as needed.
5900 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5901 Jack Howarth <howarth@bromo.med.uc.edu>
5904 * config/i386/i386.h: Fix ABI on darwin x86-32.
5906 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
5908 * tree.h: Declare make_decl_rtl_for_debug.
5909 * varasm.c (make_decl_rtl_for_debug): New.
5910 * dwarf2out.c (rtl_for_decl_location): Call it.
5911 * cfgexpand.c (expand_debug_expr): Call it.
5913 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5916 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
5920 * var-tracking.c (vt_init_cfa_base): Do nothing if
5921 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
5923 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
5926 * var-tracking.c (canonicalize_vars_star): New.
5927 (dataflow_post_merge_adjust): Use it.
5929 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5932 * var-tracking.c (non_suitable_const): New function.
5933 (add_uses): For DEBUG_INSNs with constants, don't record any
5934 value, instead just the constant value itself.
5935 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
5936 is not VAR_LOC_UNKNOWN_P, set var to the constant.
5937 (emit_notes_in_bb): Likewise.
5938 (emit_note_insn_var_location): For onepart variables if
5939 cur_loc is a VOIDmode constant, use DECL_MODE.
5941 2010-03-18 Martin Jambor <mjambor@suse.cz>
5944 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
5945 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
5946 all non-clones. Moved call redirection...
5947 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
5948 (cgraph_materialize_all_clones): Dispose of all
5949 combined_args_to_skip bitmaps.
5950 (verify_cgraph_node): Do not check for edges pointing to wrong
5951 nodes in inline clones.
5952 * tree-inline.c (copy_bb): Call
5953 cgraph_redirect_edge_call_stmt_to_callee.
5954 * ipa.c (cgraph_remove_unreachable_nodes): Call
5955 cgraph_node_remove_callees even when there are used clones.
5957 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5959 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
5961 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5964 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
5967 2010-03-18 Michael Matz <matz@suse.de>
5970 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
5971 into sqrt(x) if we need to preserve signed zeros.
5973 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
5974 Eric Botcazou <ebotcazou@adacore.com>
5976 PR rtl-optimization/43360
5977 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
5978 note if we don't know its invariant status.
5980 2010-03-18 Michael Matz <matz@suse.de>
5982 PR tree-optimization/43402
5983 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
5984 PHI chains of ssa names registered for update.
5986 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
5989 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
5990 non-offsettable and pre_modify update addressing.
5991 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
5992 and "2" alternatives "#".
5993 (*movdd_softfloat32): Make all alternatives "#";
5994 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
5995 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
5996 (*movdf_softfloat32): Make all alternatives "#";
5997 (movdi): Use the new DIFD mode iterator to create a common splitter
5998 for movdi, movdf and movdd patterns.
6000 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
6002 * common.opt (dumpdir): Remove redundant tab.
6004 2010-03-17 Martin Jambor <mjambor@suse.cz>
6006 PR tree-optimization/43347
6007 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
6008 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
6010 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
6012 PR rtl-optimization/42216
6013 * regrename.c (create_new_chain): New function, broken out from...
6014 (scan_rtx_reg): ... here. Call it. Handle the case where we are
6015 appending a use to an empty chain.
6016 (build_def_use): Remove previous changes that convert OP_INOUT to
6017 OP_OUT operands; instead detect the case where an OP_INOUT operand
6018 uses a previously untracked register and create an empty chain for it.
6020 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6022 * doc/extend.texi (Function Attributes): Rewrite unfinished
6023 sentence in ms_abi documentation.
6025 2010-03-17 Alan Modra <amodra@gmail.com>
6027 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
6028 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
6029 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
6030 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
6032 2010-03-16 Richard Henderson <rth@redhat.com>
6035 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
6036 (lower_try_finally): Save and restore eh_seq around the expansion
6039 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
6041 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
6042 statements before splitting block.
6044 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6046 * doc/sourcebuild.texi (Testsuites): Fix markup.
6047 Use pathnames relative to gcc/testsuite.
6048 (Test Directives): Move description of how timeout is determined.
6049 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
6050 (C Tests): Correct gcc.misc-tests directory.
6051 Framework tests now live in gcc.test-framework.
6053 2010-03-16 Richard Guenther <rguenther@suse.de>
6056 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
6057 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
6059 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
6060 Alexandre Oliva <aoliva@redhat.com>
6062 PR tree-optimization/42917
6063 * lambda-code.c (remove_iv): Skip debug statements.
6064 (lambda_loopnest_to_gcc_loopnest): Likewise.
6065 (not_interesting_stmt): Debug statements are not interesting.
6067 2010-03-16 Jakub Jelinek <jakub@redhat.com>
6071 * cselib.c (cselib_preserve_constants,
6072 cfa_base_preserved_val): New static variables.
6073 (preserve_only_constants): New function.
6074 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
6075 clear its REG_VALUES. If cselib_preserve_constants, don't
6076 empty the whole hash table, but preserve there VALUEs with constants,
6077 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
6078 (cselib_preserve_cfa_base_value): New function.
6079 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
6080 (cselib_init): Change argument to int bitfield. Set
6081 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
6083 (cselib_finish): Clear cselib_preserve_constants and
6084 cfa_base_preserved_val.
6085 * cselib.h (enum cselib_record_what): New enum.
6086 (cselib_init): Change argument to int.
6087 (cselib_preserve_cfa_base_value): New prototype.
6088 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
6089 * dse.c (dse_step1): Likewise.
6090 * cfgcleanup.c (thread_jump): Likewise.
6091 * sched-deps.c (sched_analyze): Likewise.
6092 * gcse.c (local_cprop_pass): Likewise.
6093 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
6094 If FN is non-NULL, call the callback always and whenever it returns
6095 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
6096 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
6097 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
6098 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
6099 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
6100 * var-tracking.c: Include recog.h.
6101 (bb_stack_adjust_offset): Remove.
6102 (vt_stack_adjustments): Don't call it, instead just gather the
6103 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
6104 (adjust_stack_reference): Remove.
6105 (compute_cfa_pointer): New function.
6106 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
6107 (struct adjust_mem_data): New type.
6108 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
6110 (get_address_mode): New function.
6111 (replace_expr_with_values): Use it.
6112 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
6113 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
6114 (adjust_sets): Remove.
6115 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
6116 Use get_address_mode.
6117 (get_adjusted_src): Remove.
6118 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
6119 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
6120 (add_with_sets): Don't call adjust_sets.
6121 (fp_setter, vt_init_cfa_base): New functions.
6122 (vt_initialize): Change return type to bool. Move most of pool etc.
6123 initialization to the beginning of the function from end. Pass
6124 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
6125 If !frame_pointer_needed, call vt_stack_adjustment before mos
6126 vector is filled, call vt_init_cfa_base if argp/framep has been
6127 eliminated to sp. If frame_pointer_needed and argp/framep has
6128 been eliminated to hard frame pointer, set
6129 hard_frame_pointer_adjustment and call vt_init_cfa_base after
6130 encountering fp setter in the prologue. For MO_ADJUST, call
6131 log_op_type before pusing the op into mos vector, not afterwards.
6132 Call adjust_insn before cselib_process_insn/add_with_sets,
6133 call cancel_changes (0) afterwards.
6134 (variable_tracking_main_1): Adjust for vt_initialize calling
6135 vt_stack_adjustments and returning whether it succeeded or not.
6137 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
6139 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
6142 2010-03-15 Jakub Jelinek <jakub@redhat.com>
6144 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
6146 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
6147 drap_reg has not been set.
6149 2010-03-15 Michael Matz <matz@suse.de>
6152 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
6153 use it to expand block copies.
6154 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
6155 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
6156 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
6158 2010-03-15 Richard Guenther <rguenther@suse.de>
6160 PR tree-optimization/43367
6161 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
6164 2010-03-15 Richard Guenther <rguenther@suse.de>
6166 PR tree-optimization/43317
6167 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
6169 2010-03-15 Martin Jambor <mjambor@suse.cz>
6171 PR tree-optimization/43141
6172 * tree-sra.c (create_abstract_origin): New function.
6173 (modify_function): Call create_abstract_origin.
6175 2010-03-15 Chris Demetriou <cgd@google.com>
6177 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
6180 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6183 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
6184 call insert_out_of_ssa_copy for default definitions.
6186 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6188 * graphite-clast-to-gimple.c (my_long_long): Defined.
6189 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
6190 * graphite-sese-to-poly.c (my_long_long): Defined.
6191 (scop_ivs_can_be_represented): Use it.
6193 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6195 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
6196 graphite-max-bbs-per-function, and loop-block-tile-size.
6197 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
6199 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
6201 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6203 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
6204 forward declaration.
6205 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
6206 (add_upper_bounds_from_estimated_nit): New.
6207 (build_loop_iteration_domains): Use it.
6209 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6211 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
6213 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6216 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
6217 should be an INTEGER_CST. Also handle CASE_CONVERT.
6219 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6221 * graphite.c (graphite_initialize): To bound the number of bbs per
6222 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
6223 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
6224 * doc/invoke.texi: Document it.
6226 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6228 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
6229 * graphite-sese-to-poly.h (build_poly_scop): Same.
6231 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6233 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
6234 the number of parameters in the scop. Use as an upper bound
6235 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
6236 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
6237 * doc/invoke.texi: Document it.
6239 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
6241 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
6242 * doc/c-tree.texi: Remove.
6243 * doc/generic.texi: Merge c-tree.texi here.
6244 * doc/gccint.texi (Trees): Remove menu entry.
6245 (c-tree.texi): Remove @include.
6246 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
6247 * doc/languages.texi (Reading RTL): Ditto.
6249 2010-03-12 Steve Ellcey <sje@cup.hp.com>
6252 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
6254 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
6257 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
6258 code added to work around reload clobbering CONST insns.
6260 2010-03-12 Jakub Jelinek <jakub@redhat.com>
6262 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
6263 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
6264 (cselib_preserve_only_values): Remove retain argument, don't
6265 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
6266 * cselib.h (cselib_preserve_only_values): Remove retain argument.
6267 * var-tracking.c (micro_operation): Move insn field before union.
6268 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
6269 (struct variable_tracking_info_def): Remove n_mos field, change
6270 mos into a vector of micro_operations.
6271 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
6272 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
6273 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
6274 changing into a vector.
6275 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
6276 come before all other uops generated by add_stores.
6277 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
6279 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
6280 a vector. Run just one pass over the bbs instead of separate counting
6281 and computation phase.
6282 (vt_finalize): Free VTI (bb)->mos vector instead of array.
6285 * tree-inline.c (remap_decls): Put old_var rather than origin_var
6286 into *nonlocalized_list vector.
6287 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
6288 even if origin is non-NULL.
6289 (gen_variable_die): Likewise.
6290 (process_scope_var): Don't change origin.
6291 (gen_decl_die): Likewise.
6292 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
6293 before adding new edges instead of after it, fix moving over
6296 2010-03-11 David S. Miller <davem@davemloft.net>
6298 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
6300 * configure: Rebuild.
6302 2010-03-11 Martin Jambor <mjambor@suse.cz>
6304 PR tree-optimization/43257
6305 * tree.c (assign_assembler_name_if_neeeded): New function.
6306 (free_lang_data_in_cgraph): Assembler name assignment moved to the
6308 * tree.h (assign_assembler_name_if_neeeded): Declare.
6309 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
6310 the function if needed.
6312 2010-03-11 Chris Demetriou <cgd@google.com>
6314 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
6315 include/stdint-gcc.h, and include/stdint.h world-readable.
6317 2010-03-11 Richard Guenther <rguenther@suse.de>
6319 PR tree-optimization/43255
6320 * tree-vrp.c (process_assert_insertions_for): Do not insert
6321 asserts for trivial conditions.
6323 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6325 PR tree-optimization/43280
6326 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
6327 generation. Move calculation of size out of the if branch.
6328 (find_bswap): Modify compare number generation.
6330 2010-03-11 Richard Guenther <rguenther@suse.de>
6333 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
6334 (input_gimple_stmt): Fixup handled component types during
6335 operand read. Also fix up decls in ADDR_EXPRs.
6337 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
6339 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
6340 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
6342 2010-03-10 Jan Hubicka <jh@suse.cz>
6345 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
6346 * varasm.c (get_variable_section): Don't do that here...
6347 (make_decl_rtl): ... and here.
6348 (do_assemble_alias): Produce decl RTL.
6349 (assemble_alias): Likewise.
6351 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6354 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
6355 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
6357 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
6358 (based_loc_descr): Only express drap or vdrap regno based expressions
6359 using DW_OP_fbreg when not optimizing.
6360 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
6361 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
6362 REG_CFA_SET_VDRAP note.
6364 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
6366 PR tree-optimization/43236
6367 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
6368 error in calculation of base address in reverse iteration case.
6369 (generate_builtin): Take number of latch executions if the statement
6372 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
6375 * tree-eh.c: Include pointer-set.h.
6376 (lower_eh_dispatch): Filter out duplicate case labels and
6377 remove the unneeded edge when the label is unused. Return
6378 true when some edges are removed.
6379 (execute_lower_eh_dispatch): When any lowering resulted in
6380 removing an edge, also delete unreachable blocks.
6382 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6385 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
6386 UNSPEC_MACHOPIC_OFFSET.
6388 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
6391 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
6392 (m68k_delegitimize_address): New function.
6394 2010-03-09 Jakub Jelinek <jakub@redhat.com>
6397 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
6400 * var-tracking.c (adjust_sets): New function.
6401 (count_with_sets, add_with_sets): Use it.
6402 (get_adjusted_src): New inline function.
6403 (add_stores): Use it.
6406 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
6407 call cselib_dummy_expand_value_rtx_cb instead of
6408 cselib_expand_value_rtx_cb.
6411 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
6412 * config/i386/i386.c: Include debug.h and dwarf2out.h.
6413 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
6414 and .cfi_endproc around the pic thunks.
6415 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
6416 all queued unwind info register saves are saved before the call.
6417 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
6418 considered as sp-=4 for unwind info and the pop as sp+=4 which
6419 also clobbers dest, but doesn't actually restore it.
6422 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
6423 RTX_FRAME_RELATED_P.
6425 2010-03-09 Jie Zhang <jie@codesourcery.com>
6427 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
6428 whitespaces in output template.
6430 2010-03-09 Jie Zhang <jie@codesourcery.com>
6432 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
6435 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6437 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
6438 builtins.exp in a separate job.
6440 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6442 * graphite-sese-to-poly.c (add_param_constraints): Use
6443 lower_bound_in_type and upper_bound_in_type.
6445 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6447 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
6448 instead of unsigned_type_node.
6450 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6451 Reza Yazdani <reza.yazdani@amd.com>
6454 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
6455 on pointer type parameters.
6457 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6461 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
6462 handle conversions from pointer to integers.
6463 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
6464 induction variable, to be able to work with code generated by CLooG.
6465 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
6466 (build_poly_scop): Bail out if we cannot codegen a loop.
6468 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6470 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
6471 code generation with gloog_error.
6473 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6475 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
6476 Call fold_convert on all the returned values.
6477 (expand_scalar_variables_expr): Pass to
6478 expand_scalar_variables_ssa_name the type of the resulting expression.
6480 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6482 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
6483 ppl_min_for_le_pointset.
6484 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
6485 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
6487 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6489 * graphite-dependences.c (map_into_dep_poly): Removed.
6490 (dependence_polyhedron_1): Use combine_context_id_scat.
6492 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6494 * graphite-poly.h (struct poly_scattering): Add layout documentation.
6495 (struct poly_bb): Same.
6496 (combine_context_id_scat): New.
6498 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6501 * sese.c (name_defined_in_loop_p): Return false for default
6504 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6506 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
6507 and clean up the logic.
6509 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6511 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
6514 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6516 * var-tracking.c (remove_cselib_value_chains): Define only for
6518 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
6519 delete_slot_part, emit_notes_for_differences_1): Don't call
6520 remove_cselib_value_chains here.
6521 (set_slot_part, emit_notes_for_differences_2): Don't call
6522 add_cselib_value_chains here.
6523 (preserved_values): New vector.
6524 (preserve_value): New function.
6525 (add_uses, add_stores, vt_add_function_parameters): Use it
6526 instead of cselib_preserve_value.
6527 (changed_values_stack): New vector.
6528 (check_changed_vars_0): New function.
6529 (check_changed_vars_1, check_changed_vars_2): Use it.
6530 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
6531 changed_values_stack VALUEs.
6532 (vt_emit_notes): For all preserved_values call
6533 add_cselib_value_chains. If ENABLE_CHECKING call
6534 remove_cselib_value_chains before verifying value_chains is empty.
6535 Initialize and free changed_values_stack.
6536 (vt_initialize): Initialize preserved_values.
6537 (vt_finalize): Free preserved_values.
6539 2010-03-08 Richard Guenther <rguenther@suse.de>
6541 PR tree-optimization/43269
6542 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
6545 2010-03-08 Martin Jambor <mjambor@suse.cz>
6547 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
6548 (ipa_is_param_called): Removed.
6549 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
6550 (ipa_print_node_params): Do not print the called flag.
6551 (ipa_write_node_info): Do not stream the called flag.
6552 (ipa_read_node_info): Likewise.
6554 2010-03-07 Jakub Jelinek <jakub@redhat.com>
6557 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
6558 * cselib.c (struct expand_value_data): Add dummy field.
6559 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
6561 (cselib_dummy_expand_value_rtx_cb): New function.
6562 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
6564 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
6565 * var-tracking.c: Include pointer-set.h.
6566 (variable): Change n_var_parts to char from int. Add
6567 cur_loc_changed and in_changed_variables fields.
6568 (variable_canonicalize): Remove.
6569 (shared_var_p): New inline function.
6570 (unshare_variable): Maintain cur_loc_changed and
6571 in_changed_variables fields. If var was in changed_variables,
6572 replace it there with new_var. Just copy cur_loc instead of
6573 resetting it to something else.
6574 (variable_union): Don't recompute cur_loc. Use shared_var_p.
6575 (dataflow_set_union): Don't call variable_canonicalize.
6576 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
6577 of their DEBUG_EXPR_TREE_DECLs.
6578 (canonicalize_loc_order_check): Verify that cur_loc is NULL
6579 and in_changed_variables and cur_loc_changed is false.
6580 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
6581 and cur_loc_changed. Don't update cur_loc here.
6582 (variable_merge_over_src): Don't call variable_canonicalize.
6583 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
6584 removing loc that is equal to cur_loc, clear cur_loc,
6585 set cur_loc_changed and ensure variable_was_changed is called.
6586 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
6587 compare pointers in cur_loc check, if it is equal to loc,
6588 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
6589 (variable_different_p): Remove compare_current_location argument,
6590 don't compare cur_loc.
6591 (dataflow_set_different_1): Adjust variable_different_p caller.
6592 (variable_was_changed): If dv had some var in changed_variables
6593 already, reset in_changed_variables flag for it and propagate
6594 cur_loc_changed over to the new variable. On empty var
6595 always set cur_loc_changed. Set in_changed_variables on whatever
6596 var is added to changed_variables.
6597 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
6598 Use shared_var_p. When removing loc that is equal to cur_loc,
6599 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
6600 end, don't set it to something else, just call variable_was_changed.
6601 (delete_slot_part): Use shared_var_p. When cur_loc equals to
6602 loc being removed, clear cur_loc and set cur_loc_changed.
6603 Set cur_loc_changed if all locations have been removed.
6604 (struct expand_loc_callback_data): New type.
6605 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
6606 allocated. Always create SUBREGs if simplify_subreg failed.
6607 Prefer to use cur_loc, when that fails and still in
6608 changed_variables (and seen first time) recompute it. Set
6609 cur_loc_changed of variables which had to change cur_loc and
6610 compute elcd->cur_loc_changed if any of the subexpressions used
6611 had to change cur_loc.
6612 (vt_expand_loc): Adjust to pass arguments in
6613 expand_loc_callback_data structure.
6614 (vt_expand_loc_dummy): New function.
6615 (emitted_notes): New variable.
6616 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
6617 that weren't used for any other decl in current
6618 emit_notes_for_changes call call vt_expand_loc_dummy to update
6619 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
6620 first loc_chain location if NULL before. Always use just
6621 cur_loc instead of first loc_chain location. When cur_loc_changed
6622 is false, when not --enable-checking=rtl just don't emit any note.
6623 When rtl checking, compute the note and assert it is the same
6624 as previous note. Clear cur_loc_changed and in_changed_variables
6625 at the end before removing from changed_variables.
6626 (check_changed_vars_3): New function.
6627 (emit_notes_for_changes): Traverse changed_vars to call
6628 check_changed_vars_3 on each changed var.
6629 (emit_notes_for_differences_1): Clear cur_loc_changed and
6630 in_changed_variables. Recompute cur_loc of new_var.
6631 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
6632 (vt_emit_notes): Initialize and destroy emitted_notes.
6634 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
6636 PR rtl-optimization/42220
6637 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
6638 Use verify_reg_tracked to determine if we should use OP_OUT rather
6640 (build_def_use): If we see an in-out operand for a register that we
6641 know nothing about, treat is an output if possible, fail the block if
6644 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6647 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
6650 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6653 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
6654 uses of relevant DEFs that are dead outside the loop too.
6656 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6658 * var-tracking.c (dataflow_set_merge): Swap src and src2.
6660 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6662 * var-tracking.c (values_to_unmark): New variable.
6663 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6664 values_to_unmark vector. Moved body to...
6665 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6666 instead queue it into values_to_unmark vector.
6667 (vt_find_locations): Free values_to_unmark vector.
6669 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
6671 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
6672 (site.exp): Export them when plugins are enabled.
6674 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
6677 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
6679 (chrec_fold_multiply): Same.
6681 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
6684 * c-decl.c (build_compound_literal): Return early if init is
6687 2010-03-04 Martin Jambor <mjambor@suse.cz>
6689 PR tree-optimization/43164
6690 PR tree-optimization/43191
6691 * tree-sra.c (type_consists_of_records_p): Reject records with
6692 zero-size bit-fields at the end.
6694 2010-03-04 Mike Stump <mikestump@comcast.net>
6696 * Makefile.in (TAGS): Remove *.y.
6698 2010-03-04 Richard Guenther <rguenther@suse.de>
6700 PR tree-optimization/40761
6701 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
6703 (my_rev_post_order_compute): New function.
6704 (init_pre): Call it.
6706 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
6709 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
6710 decrease the cost of an IV candidate when the cost is infinite.
6712 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6714 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
6715 Use '3DNow!' for the extension of that name, ensure normal space
6717 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
6719 2010-03-03 Jeff Law <law@redhat.com>
6721 * PR middle-end/32693
6722 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
6723 than gen_rtx_SUBREG.
6724 (extract_bit_field_1): Likewise.
6726 2010-03-03 Janis Johnson <janis187@us.ibm.com>
6728 * doc/sourcebuild.texi (Test directives): Document that arguments
6729 include-opts and exclude-opts are now optional for dg-skip-if,
6730 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
6732 2010-03-03 Jason Merrill <jason@redhat.com>
6735 * cgraph.h (varpool_node): Add extra_name field.
6736 * varpool.c (varpool_extra_name_alias): New.
6737 (varpool_assemble_decl): Emit extra name aliases.
6738 (varpool_mark_needed_node): Look past an extra name alias.
6739 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
6740 * lto-streamer-in.c (lto_input_tree): Read it.
6741 * lto-streamer-out.c (output_unreferenced_globals): Write it.
6743 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
6745 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
6746 (sparc*-*-solaris2*): ...this.
6748 2010-03-03 Jakub Jelinek <jakub@redhat.com>
6751 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
6752 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
6753 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
6754 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
6757 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
6758 fallthrough to default handling, just with want_address 0 instead of 2.
6759 For single element lists, add_AT_loc directly, otherwise create an
6760 artificial variable DIE and stick location list to it.
6763 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
6764 (VAL_EXPR_HAS_REVERSE): Define.
6765 (reverse_op): New function.
6766 (add_stores): For reversible operations add an extra MO_VAL_USE.
6768 2010-03-02 Jason Merrill <jason@redhat.com>
6770 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
6772 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
6774 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
6775 (sparc64-*-linux*): Likewise.
6776 (sparc64-*-solaris2*): Include assembler files before linker ones.
6777 (sparc-*-solaris2*): Simplify and reorder to match previous case.
6778 * config/sparc/gas.h: Delete.
6779 * config/sparc/sol2-64.h: Add copyright notice.
6780 * config/sparc/sol2-gas-bi.h: Likewise.
6781 * config/sparc/sol2-gld.h: Likewise.
6782 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
6783 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
6784 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
6785 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
6786 (sparc_elf_asm_named_section): Rename into...
6787 (sparc_solaris_elf_asm_named_section): ...this. Always define.
6789 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
6791 * config/alpha/alpha.c (override_options): Fix -mtune error message.
6793 2010-03-02 Jeff Law <law@redhat.com>
6796 * reload1.c (rtx_p, substitute_stack): Declare.
6797 (substitute): Record addresses of changed rtxs.
6798 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
6799 Restore the original rtx when complete.
6800 (reload): Free subsitute_stack when complete.
6802 2010-03-02 Janis Johnson <janis187@us.ibm.com>
6804 * doc/gccint.texi (menu): Add Testsuites as a chapter.
6805 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
6807 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
6808 LTO Testing, gcov Testing, profopt Testing, compat Testing,
6809 Torture Tests): Change from subsection to section.
6811 2010-03-02 Jakub Jelinek <jakub@redhat.com>
6812 Steven Bosscher <steven@gcc.gnu.org>
6814 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
6817 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
6820 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
6821 the assignment from the new induction variable to the assignment
6822 of the value from the original loop PHI function.
6824 2010-03-01 Janis Johnson <janis187@us.ibm.com>
6825 Daniel Jacobowitz <dan@codesourcery.com>
6827 * doc/sourcebuild.texi (Test directives): Clarify options to
6830 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6832 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
6833 Disable cfi directives unless GCC and gas agree on using read-only
6834 .eh_frame sections for 64-bit.
6835 * configure: Regenerate.
6837 2010-03-01 Richard Guenther <rguenther@suse.de>
6839 PR tree-optimization/43220
6840 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
6841 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
6843 2010-03-01 Richard Guenther <rguenther@suse.de>
6844 Martin Jambor <mjambor@suse.cz>
6847 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
6848 gimplified parameters.
6850 2010-03-01 Christian Bruel <christian.bruel@st.com>
6852 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
6854 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
6856 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
6858 2010-03-01 Richard Guenther <rguenther@suse.de>
6861 * expr.c (expand_assignment): Use the alias-oracle to tell
6862 if the rhs aliases the result decl.
6864 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6867 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
6868 to sol_gt_pch_get_address.
6869 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
6870 64-bit, SPARC and x86.
6871 (sol_gt_pch_get_address): New function.
6873 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
6875 * toplev.h (inform_n, error_n): Declare.
6876 * diagnostic.c (inform_n, error_n): New function.
6878 2010-03-01 Jakub Jelinek <jakub@redhat.com>
6880 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
6881 has no rtl yet when processing local_decls, queue it and recheck
6882 if deferred stack allocation hasn't assigned it rtl.
6884 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
6886 * config/sh/sh.c (unspec_bbr_uid): New.
6887 (gen_block_redirect): Use it instead of INSN_UID.
6888 (gen_far_branch): Likewise.
6890 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
6892 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
6893 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
6895 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6897 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
6898 (Warning Options): -Wno-conversion-null is valid for
6899 Objective-C++ as well.
6900 * doc/tm.texi (Named Address Spaces): Likewise.
6901 * doc/plugins.texi (Plugins): Replace TABs with spaces.
6902 * doc/tree-ssa.texi (Tree SSA): Likewise.
6904 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6907 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
6908 by default. Don't set the default arch for
6909 i[34567]86-*-darwin*|x86_64-*-darwin*.
6911 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6914 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
6915 default. Set the default 32bit/64bit archs with $with_arch
6916 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
6918 2010-02-27 Richard Guenther <rguenther@suse.de>
6920 PR tree-optimization/43186
6921 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
6922 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
6923 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
6924 unroller iterations.
6926 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6928 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
6929 required and i[34567]86-*-* targets don't support 64bit ISA.
6931 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
6934 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6937 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6939 * config.gcc: Set the default arch at least to Prescott for
6940 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
6941 if SSE math is enabled.
6943 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6945 * diagnostic.c (diagnostic_initialize): Update.
6946 (diagnostic_report_diagnostic): Test inhibit_notes_p for
6948 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
6949 (diagnostic_inhibit_notes): New.
6950 * toplev.c (process_options): inhibit notes with -fcompare-debug.
6952 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6955 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
6956 * doc/standards.texi: Likewise.
6957 * doc/extend.texi: Likewise.
6958 * doc/trouble.texi: Likewise.
6959 * doc/cppopts.texi: Likewise.
6960 * doc/install.texi: Likewise.
6961 * c.opt (std=c90,std=gnu90): New options.
6962 * c-opts.c (c_common_handle_option): Handle them.
6964 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6967 * c-decl.c (undeclared_variable): Use an informative note.
6969 2010-02-26 Richard Guenther <rguenther@suse.de>
6971 PR tree-optimization/43186
6972 * gimple.h (gimple_fold): Remove.
6973 * gimple.c (gimple_fold): Remove. Inline into single user ...
6974 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
6975 Try harder for conditions.
6977 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6980 * function.c (used_types_insert): Don't skip through named pointer
6981 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
6982 and it is different from the main variant's type.
6984 2010-02-26 Nick Clifton <nickc@redhat.com>
6986 * config/rx/rx.md (sminsi3): Remove bogus alternative.
6988 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6990 * config.gcc: Support --with-fpmath=sse for x86.
6992 * config/i386/ssemath.h: New.
6994 * doc/install.texi (--with-fpmath=sse): Documented.
6996 2010-02-26 Richard Guenther <rguenther@suse.de>
6998 PR tree-optimization/43188
6999 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
7000 vector types of over-aligned element type.
7002 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
7005 * config/i386/i386.c (expand_vec_perm_blend): Use correct
7006 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
7008 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
7010 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
7012 2010-02-26 Jakub Jelinek <jakub@redhat.com>
7014 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
7015 * var-tracking.c: Include diagnostic.h.
7016 (debug_dv): New function.
7017 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
7020 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
7021 (add_value_chain, add_value_chains, remove_value_chain,
7022 remove_value_chains): Handle DEBUG_EXPRs.
7023 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
7026 * regcprop.c (struct queued_debug_insn_change): New type.
7027 (struct value_data_entry): Add debug_insn_changes field.
7028 (struct value_data): Add n_debug_insn_changes field.
7029 (debug_insn_changes_pool): New variable.
7030 (free_debug_insn_changes, apply_debug_insn_changes,
7031 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
7032 (kill_value_one_regno): Call free_debug_insn_changes if needed.
7033 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
7035 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
7037 (copyprop_hardreg_forward_1): Don't call apply_change_group for
7038 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
7039 changes, call cprop_find_used_regs via note_stores.
7040 (copyprop_hardreg_forward): When copying vd from predecessor
7041 which has any queued DEBUG_INSN changes, make sure the pointers are
7042 cleared. At the end call df_analyze and then if there are any
7043 DEBUG_INSN changes queued at the end of some basic block for still
7044 live registers, apply them.
7045 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
7047 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
7049 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
7052 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
7054 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
7055 targets. Set the default with_cpu/with_arch from arch/cpu.
7056 Allow x86-64 and native for with_cpu/with_arch.
7058 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
7060 * ebitmap.c: Change calls to verify_popcount with calls to
7061 sbitmap_verify_popcount.
7062 (ebitmap_clear_bit): Fixed map->cacheindex test and
7063 map>cache update when bit clearing results in an empty
7066 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
7069 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
7070 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
7071 and support both V2DF and V2DI modes.
7072 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
7073 support both V2DF and V2DI modes.
7074 (general): Delete trailing whitespace from a few patterns.
7076 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7077 V2DF/V2DI interleave high/low builtins.
7079 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
7082 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
7083 interleave high/low functions.
7085 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
7087 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
7088 #pragma extern_prefix.
7090 2010-02-25 Jakub Jelinek <jakub@redhat.com>
7093 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
7094 BLKmode, assert op0 is a MEM and just adjust its mode.
7097 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
7098 if bitpos isn't multiple of mode's bitsize.
7100 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7102 * c.opt (-ftemplate-depth=): New.
7103 (-ftemplate-depth-): Deprecate.
7104 * optc-gen.awk: Handle -ftemplate-depth=.
7105 * opth-gen.awk: Likewise.
7106 * c-opts.c (c_common_handle_option): Likewise.
7107 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
7109 2010-02-24 Jason Merrill <jason@redhat.com>
7111 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
7113 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7115 * cfg.c (alloc_aux_for_block): Remove inline.
7116 (alloc_aux_for_edge): Likewise.
7118 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7120 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
7122 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7124 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
7125 * config/i386/sol2-gas.h: New file.
7126 * config.gcc (i[34567]86-*-solaris2*): Use it.
7128 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7131 * c-typeck.c (ep_convert_and_check): New.
7132 (build_conditional_expr): Use it.
7133 (build_binary_op): Likewise.
7135 2010-02-24 Jakub Jelinek <jakub@redhat.com>
7137 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
7140 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
7141 bounds even for -O+.
7142 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
7143 expr needs to have DECL_NAME set.
7145 2010-02-24 Nick Clifton <nickc@redhat.com>
7147 * config/mep/mep.c: Include gimple.h.
7148 (mep_function_uses_sp): Delete unused function.
7149 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
7150 parameters. Use unsigned integers to count args. Return a
7151 NULL_RTX instead of an error_mark_node. Toidy up formatting.
7153 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7156 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
7157 greater or equal to nelt instead of 2 * nelt.
7158 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
7161 2010-02-23 Jason Merrill <jason@redhat.com>
7164 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
7165 in cfun->local_decls even if they have register types.
7168 * stor-layout.c (place_field): Don't warn about unnecessary
7169 DECL_PACKED if the type is packed.
7171 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7174 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
7175 GOTOFF relocs, even when the base reg isn't pic pointer.
7177 2010-02-23 Michael Matz <matz@suse.de>
7180 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
7181 (expand_gimple_basic_block): Generate and use debug temps if there
7182 are debug uses left after the last real use of TERed ssa names.
7183 Unlink debug immediate uses when they are expanded.
7185 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
7188 * config/i386/i386.c (override_options): Reorganise to provide
7189 better error messages.
7191 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7194 * graphite-scop-detection.c (create_single_exit_edge): Move
7195 the call to find_single_exit_edge to....
7196 (create_sese_edges): ...here. Don't handle multiple edges
7197 exiting the function.
7198 (build_graphite_scops): Don't handle multiple edges
7199 exiting the function.
7201 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7204 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
7205 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
7207 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7210 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
7212 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
7215 * c-typeck.c (convert_arguments): Print declaration location.
7216 * c-common.c (validate_nargs): Rename as
7217 builtin_function_validate_nargs.
7218 (check_builtin_function_arguments): Update.
7220 2010-02-22 Richard Guenther <rguenther@suse.de>
7223 * tree-inline.c (declare_return_variable): Use the type of
7224 the call stmt lhs if available.
7226 2010-02-22 Duncan Sands <baldrick@free.fr>
7228 * passes.c (register_pass): Always consider all pass lists when
7229 ref_pass_instance_number is zero.
7231 2010-02-22 Richard Guenther <rguenther@suse.de>
7233 PR tree-optimization/42749
7234 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
7235 parameter. Do arithmetic in the original type.
7236 (update_accumulator_with_ops): Likewise.
7237 (adjust_accumulator_values): Adjust.
7239 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7241 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
7242 (QI to BLKmode splitter): New splitter.
7244 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
7246 * config/i386/i386.c (initial_ix86_tune_features): Turn on
7247 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
7249 2010-02-22 Richard Guenther <rguenther@suse.de>
7251 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
7253 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
7255 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
7256 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
7257 ($(T)crti.o, $(T)crtn.o): Remove rules.
7259 2010-02-21 Tobias Burnus <burnus@net-b.de>
7262 * doc/invoke.texi (-fassociative-math): Document that this
7263 option is automatically enabled for Fortran.
7265 2010-02-20 David S. Miller <davem@davemloft.net>
7267 * configure.ac: Test if linker and assembler properly support
7268 GOTDATA_OP relocations.
7269 * configure: Rebuild.
7270 * config.in: Likewise.
7271 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
7272 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
7273 (movsi_high_pic): Likewise.
7274 (movdi_lo_sum_pic): Likewise.
7275 (movdi_high_pic): Likewise.
7276 (movsi_pic_gotdata_op): New pattern.
7277 (movdi_pic_gotdata_op): Likewise.
7278 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
7279 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
7281 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
7284 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
7285 attribute to ssemul.
7286 (xop_mulv2div2di3_high): Ditto.
7288 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7291 * c.opt (Wconversion-null): New option.
7292 * doc/invoke.texi (Wconversion-null): Document.
7294 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7296 * common.opt (Wlarger-than-): Add Undocumented.
7298 2010-02-19 Mike Stump <mikestump@comcast.net>
7300 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
7302 2010-02-19 Jason Merrill <jason@redhat.com>
7305 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
7306 * configure: Likewise.
7308 2010-02-20 Alan Modra <amodra@gmail.com>
7311 * cgraph.h (cgraph_make_decl_local): Declare.
7312 * cgraph.c (cgraph_make_decl_local): New function.
7313 (cgraph_make_node_local): Use it.
7314 * cgraphunit.c (cgraph_function_versioning): Likewise.
7315 * ipa.c (function_and_variable_visibility): Likewise.
7317 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7320 * except.c (sjlj_emit_function_enter): Don't call
7321 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
7323 * rtl.h (add_reg_br_prob_note): Remove prototype.
7325 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
7328 * c-common.c (conversion_warning): Remove widening conversions
7329 before checking the conversion of integers to reals.
7331 2010-02-19 Mike Stump <mikestump@comcast.net>
7334 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
7337 * cgraphunit.c (process_function_and_variable_attributes): Check
7338 DECL_PRESERVE_P instead of looking up attribute "used".
7339 * ipa-pure-const.c (check_decl): Likewise.
7340 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
7341 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
7342 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
7343 instead of attribute "used".
7344 * config/sol2-c.c (solaris_pragma_init): Likewise.
7345 (solaris_pragma_fini): Likewise.
7347 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7349 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
7350 Use XCNEW instead of xcalloc.
7351 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
7352 XNEW instead of xmalloc.
7353 (get_fields): Use XNEWVEC instead of xmalloc.
7356 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
7357 populate vars array.
7358 (create_new_general_access): For debug stmts just reset value.
7359 (get_stmt_accesses): For accesses within debug stmts just record them
7360 using add_access_to_acc_sites instead of preventing the peeling or
7361 counting them as accesses.
7364 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
7366 2010-02-19 Richard Guenther <rguenther@suse.de>
7368 PR tree-optimization/42916
7369 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
7372 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
7374 * configure.ac: Replace all uses of changequote in macro arguments
7375 with proper quoting.
7377 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7380 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
7382 2010-02-19 Richard Guenther <rguenther@suse.de>
7384 PR tree-optimization/42944
7385 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
7386 test for aliasing with errno.
7388 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7391 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
7392 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
7393 * dojump.c: Include output.h.
7394 (inv): New inline function.
7395 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
7396 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
7397 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
7398 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
7399 argument, pass it down to other calls.
7400 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
7401 add REG_BR_PROB note to the conditional jump.
7402 * cfgexpand.c (add_reg_br_prob_note): Removed.
7403 (expand_gimple_cond): Don't call it, add the probability
7404 as last argument to jumpif_1/jumpifnot_1.
7405 * Makefile.in (dojump.o): Depend on output.h.
7406 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
7408 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
7409 * stmt.c (do_jump_if_equal): Likewise.
7410 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
7411 * loop-unswitch.c (compare_and_jump_seq): Likewise.
7412 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
7414 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
7415 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
7416 jumpifnot_1 callers.
7417 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
7419 (store_expr): Adjust jumpifnot caller.
7420 (store_constructor): Adjust jumpif caller.
7423 * gimplify.c (gimple_boolify): For __builtin_expect call
7424 gimple_boolify also on its first argument.
7426 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
7428 * configure.ac (gnu-unique-object): Wrap regexps using [] in
7430 (__stack_chk_fail): Ditto. Remove quadrigraphs.
7431 * configure: Regenerated.
7433 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7435 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
7436 lang_hooks.types_compatible_p instead of comptypes.
7438 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
7440 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
7441 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
7442 if __prefer_thumb__ is defined.
7444 2010-02-18 Martin Jambor <mjambor@suse.cz>
7446 PR tree-optimization/43066
7447 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
7448 array with zero-sized element type.
7450 2010-02-18 Jakub Jelinek <jakub@redhat.com>
7452 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
7453 rtx, allocate struct var_loc_node here and return it to the
7454 caller, and only if it is actually needed.
7455 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
7456 move it earlier and return immediately if it returns NULL.
7458 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
7460 * config/sparc/gas.h: New file. Restore
7461 TARGET_ASM_NAMED_SECTION to its ELF default.
7462 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
7464 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7465 Likewise. Add ATTRIBUTE_UNUSED to prototype.
7466 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
7467 after sparc/sysv4.h.
7469 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
7471 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
7473 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
7475 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
7476 patterns from predicated pattern.
7478 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
7481 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
7482 for insn mnemonic suffix.
7484 2010-02-17 Richard Guenther <rguenther@suse.de>
7486 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
7489 2010-02-17 Jakub Jelinek <jakub@redhat.com>
7492 * caller-save.c (save_call_clobbered_regs): If BB ends with
7493 a DEBUG_INSN, move any notes in between last real insn and the last
7494 DEBUG_INSN after the last DEBUG_INSN.
7496 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
7498 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
7499 Fix return type. Fix argument type. Explain meaning of return value.
7501 2010-02-16 Richard Guenther <rguenther@suse.de>
7503 PR tree-optimization/41043
7504 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
7505 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
7507 (vrp_visit_phi_node): ... but only for loop PHI nodes.
7509 2010-02-16 Ira Rosen <irar@il.ibm.com>
7511 PR tree-optimization/43074
7512 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
7513 * tree-vect-loop.c (vect_analyze_loop_operations): Add
7514 vectorizable cycles in hybrid SLP check.
7515 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
7517 2010-02-16 Richard Guenther <rguenther@suse.de>
7519 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
7520 (true_dependence): If memrefs_conflict_p computes must-alias
7521 trust it. Move TBAA check after offset-based disambiguation.
7522 (canon_true_dependence): Likewise.
7524 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
7526 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
7527 * doc/invoke.texi: Document it.
7528 * var-tracking.c: Include toplev.h and params.h.
7529 (vt_find_locations): Return bool indicating success. Compute
7530 hash sizes unconditionally. Check new parameter, report.
7531 (variable_tracking_main_1): Check vt_find_locations results and
7532 retry. Renamed from...
7533 (variable_tracking_main): ... this. New wrapper to preserve
7534 flag_var_tracking_assignments.
7535 * Makefile.in (var-tracking.o): Adjust dependencies.
7537 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
7538 Jakub Jelinek <jakub@redhat.com>
7541 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
7542 if weak_import attribute is present.
7543 * config/darwin.c (machopic_select_section): Likewise.
7545 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
7547 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
7548 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
7549 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
7550 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
7552 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
7555 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
7558 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
7559 Rewrite text to refer to the names.
7561 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
7563 * config/i386/i386-builtin-types.def
7564 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
7565 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
7566 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
7567 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
7568 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
7569 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
7570 IX86_BUILTIN_VPERMIL2PS256.
7571 (MULTI_ARG_4_DF2_DI_I): Defined.
7572 (MULTI_ARG_4_DF2_DI_I1): Defined.
7573 (MULTI_ARG_4_SF2_SI_I): Defined.
7574 (MULTI_ARG_4_SF2_SI_I1): Defined.
7575 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
7576 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
7577 __builtin_ia32_vpermil2ps256.
7578 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7579 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7580 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
7581 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7582 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7583 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
7584 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
7585 CODE_FOR_xop_vpermil2v8sf3.
7586 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
7587 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
7588 * config/i386/xopintrin.h (_mm_permute2_pd): New.
7589 (_mm256_permute2_pd): New.
7590 (_mm_permute2_ps): New.
7591 (_mm256_permute2_ps): New.
7593 2010-02-15 Nick Clifton <nickc@redhat.com>
7595 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
7596 boolean parameters. Use emit_jump_insn when emitting a pop
7597 instruction containing a return insn.
7598 (push): Use 'true' rather than '1' as second parameter to F.
7599 (h8300_expand_prologue): Likewise.
7600 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
7601 (h8300_expand_epilogue): Likewise.
7603 2010-02-15 Richard Guenther <rguenther@suse.de>
7606 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
7609 2010-02-15 Nick Clifton <nickc@redhat.com>
7611 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
7614 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
7616 * intl.c (fake_ngettext): New function.
7617 * intl.h (fake_ngettext): Declare.
7618 (ngettext): Define macro.
7619 * collect2.c (notice_translated): New function.
7620 (main): Use notice_translated and ngettext.
7621 * collect2.h (notice_translated): Declare.
7623 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
7625 * reorg.c (delete_computation): Comment fixes.
7626 * caller-save.c (setup_save_areas): Idem.
7627 * sel-sched-dump.c (dump_lv_set): Idem.
7630 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7632 * config/s390/s390.c (s390_sched_init): New function.
7633 (TARGET_SCHED_INIT): Target hook defined.
7635 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
7636 Jack Howarth <howarth@bromo.med.uc.edu>
7637 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
7640 Partial revert of unintended change in fix for PR41605.
7641 * config/darwin.h: Fix typo.
7642 * config/darwin9.h: Same.
7644 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7646 * c-pch.c (pch_init): Clear v.
7648 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7651 * graphite-scop-detection.c (graphite_can_represent_scev): Call
7652 graphite_can_represent_init for MULT_EXPR.
7654 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7658 * graphite-sese-to-poly.c (remove_phi): New.
7659 (translate_scalar_reduction_to_array): Call remove_phi.
7661 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7664 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
7665 * graphite-clast-to-gimple.h (gloog): Update declaration.
7666 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
7667 * graphite-poly.h (struct poly_bb): Add missing comments.
7668 (struct scop): Add poly_scop_p field.
7670 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
7671 * graphite.c (graphite_transform_loops): Build the polyhedral
7672 representation for each scop before code generation.
7673 * sese.c (rename_variables_in_operand): Removed.
7674 (rename_variables_in_expr): Return the renamed expression.
7675 (rename_sese_parameters): New.
7676 * sese.h (rename_sese_parameters): Declared.
7678 2010-02-11 Richard Guenther <rguenther@suse.de>
7680 PR tree-optimization/42998
7681 * tree-ssa-pre.c (create_expression_by_pieces): Treat
7682 POINTER_PLUS_EXPR properly.
7684 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7685 Changpeng Fang <changpeng.fang@amd.com>
7688 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
7689 the cost of an IV candidate when the IV is used in a test against zero.
7691 * gcc.dg/tree-ssa/ivopts-3.c: New.
7693 2010-02-11 Richard Guenther <rguenther@suse.de>
7696 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
7697 pointer-vs-decl case by swapping refs. Handle some cases
7698 of pointer-vs-decl disambiguations more conservatively.
7699 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
7700 to false after expanding.
7702 2010-02-11 Richard Guenther <rguenther@suse.de>
7705 * gcc.c (process_command): Handle LTO file@offset case more
7708 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7710 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
7711 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
7713 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
7715 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
7716 if MEM's mode size isn't DWARF2_ADDR_SIZE.
7717 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
7718 Optimize eq/ne comparisons when both arguments are known to be
7720 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
7721 Don't mask operands unnecessarily if they are known to be already
7724 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
7726 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
7729 2010-02-10 Richard Guenther <rguenther@suse.de>
7731 PR tree-optimization/43017
7732 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
7733 for wrapping signed arithmetic.
7735 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7738 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
7739 if no debug info should be emitted for it.
7741 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
7743 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
7744 note when flag_exceptions is set.
7746 2010-02-10 Duncan Sands <baldrick@free.fr>
7748 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
7750 2010-02-10 Richard Guenther <rguenther@suse.de>
7753 * tree.c (get_unwidened): Handle constants.
7754 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
7756 2010-02-10 Martin Jambor <mjambor@suse.cz>
7759 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
7760 check for variable argument counts independently.
7762 2010-02-10 Christian Bruel <christian.bruel@st.com>
7765 * config/sh/sh.c (find_barrier): Increase length for non delayed
7766 conditional branches.
7768 2010-02-10 Christian Bruel <christian.bruel@st.com>
7770 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
7772 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7774 * builtins.c (set_builtin_user_assembler_name): Also handle
7775 ffs if int is smaller than word.
7777 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
7780 * ira-conflicts.c (get_dup): Remove.
7781 (process_reg_shuffles): Add new parameter. Use it as an
7782 additional guard for copy generation.
7783 (add_insn_allocno_copies): Rewrite.
7785 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
7787 * common.opt (fsched2-use-traces): Preserved for backward
7789 * doc/invoke.texi: Remove the documentation about option
7790 -fsched2-use-traces.
7791 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
7792 flag_sched2_use_traces.
7793 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
7794 the backward compatibility flag section.
7796 2010-02-09 Richard Guenther <rguenther@suse.de>
7798 PR tree-optimization/43008
7799 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
7800 make HEAP variables initialized from global memory if they
7801 are not known builtin functions.
7802 (find_func_aliases): Adjust.
7804 2010-02-09 Richard Guenther <rguenther@suse.de>
7806 PR tree-optimization/43000
7807 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
7808 arithmetic manually.
7810 2010-02-08 Jakub Jelinek <jakub@redhat.com>
7812 PR tree-optimization/42931
7813 * tree-loop-linear.c (try_interchange_loops): Don't call
7814 double_int_mul if estimated_loop_iterations failed.
7816 2010-02-08 Martin Jambor <mjambor@suse.cz>
7819 * tree-sra.c (build_accesses_from_assign): Do not mark in
7820 should_scalarize_away_bitmap if stmt has volatile ops.
7821 (sra_modify_assign): Do not process assigns piecemeal if if stmt
7824 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
7826 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
7828 2010-02-07 Adam Nemet <adambnmet@gmail.com>
7830 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
7833 2010-02-07 Andrew Pinski <pinskia@gmail.com>
7836 * df-core.c (df_finish_pass): Change type of saved_flags to int.
7838 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7841 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
7842 to unknown_dependence.
7843 (graphite_legal_transform_dr): Handle the unknown_dependence.
7844 (graphite_carried_dependence_level_k): Same.
7846 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7848 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
7850 2010-02-07 Richard Guenther <rguenther@suse.de>
7853 * expr.c (get_inner_reference): Always initialize *pbitsize.
7855 2010-02-07 Richard Guenther <rguenther@suse.de>
7858 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
7859 new ARRAY_REFs on variable size element or minimal index arrays.
7861 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
7862 gimple_fold_indirect_ref.
7864 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
7867 * arm.c (arm_override_options): Just return if the user has specified
7868 an invalid fpu name.
7870 2010-02-03 Jason Merrill <jason@redhat.com>
7873 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
7874 i386_pe_maybe_record_exported_symbol.
7876 2010-02-05 Steve Ellcey <sje@cup.hp.com>
7879 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7880 (pa_delegitimize_address): New function.
7882 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
7884 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
7885 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
7887 2010-02-05 Richard Guenther <rguenther@suse.de>
7890 * lto-streamer-in.c (get_resolution): Deal with references
7891 to undefined functions.
7893 2010-02-05 Richard Guenther <rguenther@suse.de>
7895 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
7896 (fold_const_aggregate_ref): Likewise.
7897 (ccp_fold_stmt): Substitute loads.
7898 (maybe_fold_reference): Verify types before substituting.
7900 (fold_gimple_assign): Unshare properly.
7901 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
7903 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
7905 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
7906 for rs6000_gen_cell_microcode.
7908 2010-02-04 Richard Guenther <rguenther@suse.de>
7910 PR rtl-optimization/42952
7911 * dse.c (const_or_frame_p): Remove MEM handling.
7913 2010-02-04 Nick Clifton <nickc@redhat.com>
7915 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
7916 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
7917 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
7918 (mn10300_asm_output_mi_thunk): New function.
7919 (mn10300_can_output_mu_thunk): New function.
7920 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
7921 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
7922 (FUNCTION_ARG): Delete incorrect comment.
7924 2010-02-03 Jason Merrill <jason@redhat.com>
7927 * fold-const.c (operand_equal_p): Handle erroneous types.
7929 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
7931 * config/h8300/h8300.md (can_delay): Fix attibute condition.
7933 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
7935 PR rtl-optimization/42941
7936 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
7939 2010-02-03 Jason Merrill <jason@redhat.com>
7942 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
7944 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
7947 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
7948 (cselib_reset_table): Renamed from...
7949 (cselib_reset_table_with_next_value): ... this.
7950 (cselib_get_next_uid): Renamed from...
7951 (cselib_get_next_unknown_value): ... this.
7952 * cselib.c (next_uid): Renamed from...
7953 (next_unknown_value): ... this.
7954 (cselib_clear_table): Adjust.
7955 (cselib_reset_table): Adjust. Renamed from...
7956 (cselib_reset_table_with_next_value): ... this.
7957 (cselib_get_next_uid): Adjust. Renamed from...
7958 (cselib_get_next_unknown_value): ... this.
7959 (get_value_hash): Use hash.
7960 (cselib_hash_rtx): Likewise.
7961 (new_cselib_val): Adjust. Set and dump uid.
7962 (cselib_lookup_mem): Pass next_uid as hash.
7963 (cselib_subst_to_values): Likewise.
7964 (cselib_log_lookup): Dump uid.
7965 (cselib_lookup): Pass next_uid as hash. Adjust.
7966 (cselib_process_insn): Adjust.
7967 (cselib_init): Initialize next_uid.
7968 (cselib_finish): Adjust.
7969 (dump_cselib_table): Likewise.
7970 * dse.c (canon_address): Dump value uid.
7971 * print-rtl.c (print_rtx): Print value uid.
7972 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
7974 (dv_uid): New function, sort of renamed from...
7975 (dv_htab_hash): ... this, reimplemented in terms of it and...
7976 (dv_uid2hash): ... this. New.
7977 (variable_htab_eq): Drop excess assertions.
7978 (tie_break_pointers): Removed.
7979 (canon_value_cmp): Compare uids.
7980 (variable_post_merge_New_vals): Print uids.
7981 (vt_add_function_parameters): Adjust.
7982 (vt_initialize): Reset table. Adjust.
7984 2010-02-03 Richard Guenther <rguenther@suse.de>
7986 PR tree-optimization/42944
7987 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
7988 (call_may_clobber_ref_p_1): Likewise. Properly handle
7989 malloc and calloc clobbering errno.
7991 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
7993 * doc/invoke.texi: Fix name of sched1 dump.
7995 * opts.c (decode_options): Set flag_tree_switch_conversion
7996 only conditionally on optimize >= 2.
7998 * gcse.c: Assorted comment fixes in pass description.
8000 2010-02-03 Anthony Green <green@moxielogic.com>
8002 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
8003 nop padding in order to maintain alignment of storage location of
8004 target function address.
8005 (moxie_trampoline_init): Store target function address at newly
8007 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
8009 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
8011 2010-02-03 Richard Guenther <rguenther@suse.de>
8014 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
8016 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8018 * config.gcc: Reenable check for obsolete targets.
8019 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
8020 mips-sgi-irix6.[0-4]*.
8022 2010-02-02 Nick Clifton <nickc@redhat.com>
8024 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
8025 constant size of 4 as being the same as 0.
8026 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
8027 can take values in the range 0..4.
8029 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
8032 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
8033 as _darwin10_Unwind_FindEnclosingFunction().
8034 * libgcc-libsystem.ver: New.
8036 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
8039 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
8040 implicitly set registers.
8042 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
8044 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
8045 (arm_override_options): Allow automatic selection of the thread
8046 pointer register if thumb2.
8047 (legitimize_pic_address): Improve code sequences for Thumb2.
8048 (arm_call_tls_get_addr): Likewise.
8049 (legitimize_tls_address): Likewise.
8050 * arm.md (pic_load_addr_arm): Delete. Replace with ...
8051 (pic_load_addr_32bit): ... this. New named pattern.
8052 * thumb2.md (pic_load_addr_thumb2): Delete.
8053 (pic_load_dot_plus_four): Delete.
8054 (tls_load_dot_plus_four): New named pattern.
8056 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8059 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
8060 Document fix for TLS bug.
8062 2010-01-31 Richard Guenther <rguenther@suse.de>
8064 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
8065 conservatively correct.
8067 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8071 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8073 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8075 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8077 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
8079 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
8081 * config.gcc: Adjust order of makefile fragments for mingw targets.
8083 2010-01-31 Richard Guenther <rguenther@suse.de>
8086 * gimplify.c (gimplify_init_constructor): For volatile LHS
8087 initialize a temporary.
8089 2010-01-31 Matthias Klose <doko@ubuntu.com>
8091 * configure.ac: Fix __stack_chk_fail check for cross builds configured
8093 * configure: Regenerate.
8095 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
8097 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
8098 the same alias set and their sizes different constantness.
8099 (aliasing_component_refs_p): Revert 2009-10-24 change.
8101 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8103 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
8106 2010-01-29 Richard Guenther <rguenther@suse.de>
8108 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
8109 Assert we successfully updated the call.
8111 2010-01-29 Jakub Jelinek <jakub@redhat.com>
8113 PR rtl-optimization/42889
8114 * df.h (df_set_bb_dirty_nonlr): New prototype.
8115 * df-core.c (df_set_bb_dirty_nonlr): New function.
8116 * df-scan.c (df_insn_rescan): Call it instead of
8117 df_set_bb_dirty for DEBUG_INSNs.
8119 2010-01-29 Richard Guenther <rguenther@suse.de>
8122 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
8123 quadratic behavior in most cases.
8125 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
8128 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
8129 in the call to gen_x86_movsicc_0_m1.
8131 2010-01-28 Richard Guenther <rguenther@suse.de>
8133 PR tree-optimization/42871
8134 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
8136 2010-01-28 Richard Guenther <rguenther@suse.de>
8138 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
8139 into call arguments.
8141 2010-01-28 Richard Guenther <rguenther@suse.de>
8144 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
8145 the forwarder if the destination is an EH landing pad.
8147 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
8149 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
8150 block list passed to gimple_duplicate_sese_tail.
8151 (parallelize_loops): Avoid parallelization when the function
8153 Avoid parallelization when the preheader is IRREDUCIBLE.
8154 Try to optimize when estimated_loop_iterations_int is unresolved.
8155 Add the loop's location to the dump file.
8156 * tree-cfg.c (add_phi_args_after_redirect): Remove.
8157 (gimple_duplicate_sese_tail): Remove the check for the latch.
8158 Redirect nexits to the exit block.
8159 Remove handling of the incoming edges to the latch.
8160 Redirect the backedge from the copied latch to the exit bb.
8162 2010-01-28 Michael Matz <matz@suse.de>
8165 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
8166 Wrap force_reg into a sequence, emit it before user.
8168 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
8170 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
8172 (arm_legacy_rev): Likewise.
8173 (thumb_legacy_rev): Likewise.
8175 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8177 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
8178 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
8179 on MEM's address failed, try avoid_constant_pool_reference and
8180 recurse if it returned something different.
8181 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
8182 address, try avoid_constant_pool_reference and recurse if it
8183 returned something different.
8184 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
8185 address and avoid_constant_pool_reference returned something
8186 different, don't set have_address.
8188 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
8191 * var-tracking.c (val_store): Add modified argument, obey it.
8193 (count_uses): Move down logging of main.
8194 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
8195 don't need resolution.
8196 (emit_notes_in_bb): Likewise.
8198 2010-01-27 Richard Guenther <rguenther@suse.de>
8201 * tree-inline.c (remap_decl): Delay remapping of SSA name
8202 default definitions until we need them.
8204 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8206 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8207 (rs6000_delegitimize_address): New function.
8209 * config/s390/s390.c (s390_delegitimize_address): Call
8210 delegitimize_mem_from_attrs.
8213 * tree-inline.c (cannot_copy_type_1): Removed.
8214 (copy_forbidden): Don't forbid copying of functions containing
8215 records/unions with variable length fields.
8217 2010-01-27 Christian Bruel <christian.bruel@st.com>
8221 * config/sh/sh.c (find_barrier): Increase length for non delayed
8222 conditional branches.
8224 2010-01-27 Matthias Klose <doko@ubuntu.com>
8226 * configure.ac (gnu-unique-object): Fix ldd version check.
8227 * configure: Regenerate.
8229 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8231 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
8233 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
8234 Test for HAVE_GNU_AS value.
8236 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8238 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
8239 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
8240 INT64_TYPE): Define.
8241 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
8242 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8243 INT_LEAST64_TYPE): Define.
8244 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
8245 UINT_LEAST64_TYPE): Define.
8246 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
8247 INT_FAST64_TYPE): Define.
8248 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8249 UINT_FAST64_TYPE): Define.
8250 (INTMAX_TYPE, UINTMAX_TYPE): Define.
8251 (INTPTR_TYPE, UINTPTR_TYPE): Define.
8252 (SIG_ATOMIC_TYPE): Define.
8254 2010-01-26 Richard Guenther <rguenther@suse.de>
8256 * df-scan.c (df_scan_set_bb_info): Remove assert.
8257 (df_insn_rescan_debug_internal): Merge asserts.
8258 (df_install_ref): Likewise.
8259 (df_mark_reg): Use bitmap_set_range.
8260 (df_hard_reg_used_p): Remove assert.
8261 (df_hard_reg_used_count): Likewise.
8263 2010-01-26 Richard Guenther <rguenther@suse.de>
8265 PR rtl-optimization/42685
8266 * web.c (web_main): Ignore DEBUG_INSNs.
8268 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
8270 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
8272 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
8273 Fix types of fndecl and arglist parameters.
8275 2010-01-26 Richard Guenther <rguenther@suse.de>
8278 * tree-eh.c (unsplit_eh): Skip debug insns.
8280 2010-01-26 Richard Guenther <rguenther@suse.de>
8282 PR tree-optimization/42250
8283 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
8285 2010-01-26 Jakub Jelinek <jakub@redhat.com>
8288 * omp-low.c (expand_omp_sections): Only use single_pred if
8289 l2_bb is single_pred_p.
8291 2010-01-25 Christian Bruel <christian.bruel@st.com>
8294 * config/sh/sh.c (find_barrier): Increase length for non delayed
8295 conditional branches.
8296 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
8298 2010-01-24 David S. Miller <davem@davemloft.net>
8300 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
8301 define if not using GAS.
8302 * config/sparc/sparc.c (sparc_elf_asm_named_section):
8303 Likewise. Delete SECTION_MERGE code, which is only applicable
8306 2010-01-24 Mark Mitchell <mark@codesourcery.com>
8309 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
8310 mangling of va_list in system headers.
8312 2010-01-23 Toon Moene <toon@moene.org>
8314 * tree-predcom.c (combine_chains): Return NULL, not false.
8316 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
8318 * tree-loop-distribution.c (distribute_loop): Fix declaration and
8319 initialization of variable res to agree with return type.
8321 2010-01-22 Steve Ellcey <sje@cup.hp.com>
8323 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
8324 * tree-sra.c: Add include of expr.h.
8326 2010-01-22 Jakub Jelinek <jakub@redhat.com>
8328 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
8329 insert the debug stmt on the single non-EH edge from the stmt.
8331 2010-01-22 Richard Henderson <rth@redhat.com>
8334 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
8335 the RHS until after generate_subtree_copies has insertted its
8336 code before the current statement.
8338 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
8340 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
8342 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
8344 2010-01-21 Martin Jambor <mjambor@suse.cz>
8346 PR tree-optimization/42585
8347 * tree-sra.c (struct access): New field grp_total_scalarization.
8348 (dump_access): Dump the new field.
8349 (should_scalarize_away_bitmap): New variable.
8350 (cannot_scalarize_away_bitmap): Likewise.
8351 (sra_initialize): Allocate new bitmaps.
8352 (sra_deinitialize): Free new bitmaps.
8353 (create_access_1): New function.
8354 (create_access): Parts moved to create_access_1.
8355 (type_consists_of_records_p): New function.
8356 (completely_scalarize_record): Likewise.
8357 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
8358 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
8359 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
8361 (analyze_all_variable_accesses): Completely scalarize small eligible
8364 2010-01-21 Martin Jambor <mjambor@suse.cz>
8366 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
8368 2010-01-21 Andrew Haley <aph@redhat.com>
8370 * gcc.c (process_command): Move lang_specific_driver before
8371 setting cc_libexec_prefix.
8373 2010-01-21 Richard Guenther <rguenther@suse.de>
8376 * fold-const.c (negate_expr_p): Pretend only negative
8377 real constants are easily negatable.
8379 2010-01-20 Janis Johnson <janis187@us.ibm.com>
8380 Jason Merrill <jason@redhat.com>
8382 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
8383 (TYPE_TRANSPARENT_AGGR): this, for union and record.
8384 * calls.c (initialize argument_information): Handle it.
8385 * c-common.c (handle_transparent_union_attribute): Use new name.
8386 * c-decl.c (finish_struct): Ditto.
8387 * c-typeck.c (type_lists_compatible_p): Ditto.
8388 (convert_for_assignment): Use new name and also handle record.
8389 * function.c (aggregate_value_p): Handle it.
8390 (pass_by_reference): Ditto.
8391 (assign_parm_data_types): Ditto.
8392 * print-tree.c (print_node): Ditto.
8393 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
8394 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
8395 * tree.c (first_field): New fn.
8397 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
8400 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
8401 even when linking statically, for now.
8403 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8406 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
8407 without a cselib val.
8408 (count_uses): Accept MO_VAL_SET with no val on stores.
8409 (add_stores): Likewise.
8411 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8413 * var-tracking.c (check_value_val): Add a compile time assertion.
8414 (dv_is_decl_p): Simplify.
8415 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
8416 gcc_assert if ENABLE_CHECKING.
8418 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8421 * var-tracking.c: Include tree-flow.h.
8422 (mem_dies_at_call): New.
8423 (dataflow_set_preserve_mem_locs): Use it.
8424 (dataflow_set_remove_mem_locs): Likewise.
8425 (dump_var): Renamed from dump_variable. Adjust all callers.
8426 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
8427 * Makefile.in (var-tracking.o): Adjust deps.
8429 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
8431 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
8433 2010-01-20 Richard Guenther <rguenther@suse.de>
8435 PR tree-optimization/42717
8436 * tree-ssa-dce.c (get_live_post_dom): Remove.
8437 (forward_edge_to_pdom): Take an arbitrary edge to copy
8438 degenerate PHI args from.
8439 (remove_dead_stmt): Use the first post-dominator even if it
8440 does not contain live statements as redirection destination.
8442 2010-01-20 Richard Guenther <rguenther@suse.de>
8444 * tree-inline.c (estimate_num_insns): Handle EH builtins.
8446 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8448 * sel-sched.c (create_speculation_check): Remove set but not used
8450 (try_transformation_cache): Remove set but not used variable ds.
8451 (calculate_privileged_insns): Remove set but not used variables
8452 cur_insn and min_spec_insn.
8453 (find_best_expr): Remove set but not used variable avail_n.
8454 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
8456 * cgraphunit.c (assemble_thunk): Remove set but not used variable
8458 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
8459 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
8462 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
8465 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
8466 cpu types. Add support for *-sse3 cpu types.
8467 (x86_64-*-*): Ditto.
8469 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8472 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
8473 argument, call initializer_constant_valid_p_1 instead of
8474 initializer_constant_valid_p, pass CACHE to it, return NULL
8475 immediately if first call returns NULL.
8476 (initializer_constant_valid_p_1): New function.
8477 (initializer_constant_valid_p): Use it.
8479 2010-01-20 Thomas Quinot <quinot@adacore.com>
8481 * tree.def (PLACEHOLDER_EXPR): Fix comment.
8483 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8485 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
8486 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
8487 (loc_list_from_tree): Don't handle unsigned division. Handle
8488 signed modulo using DW_OP_{over,over,div,mul,minus}.
8489 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
8490 modulo instead of signed.
8492 2010-01-20 DJ Delorie <dj@redhat.com>
8494 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
8496 (h8300_emit_stack_adjustment): Propogate it.
8498 (h8300_expand_prologue): Likewise.
8499 (h8300_expand_epilogue): Likewise.
8501 2010-01-19 Michael Matz <matz@suse.de>
8503 PR tree-optimization/41783
8504 * tree-data-ref.c (toplevel): Include flags.h.
8505 (dump_data_dependence_relation): Also dump the inputs if the
8506 result will be unknown.
8507 (split_constant_offset_1): Look through some conversions.
8508 * tree-predcom.c (determine_roots_comp): Restart a new chain if
8509 the offset from last element is too large.
8510 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
8511 (reassociate_to_the_same_stmt): Handle vector registers.
8512 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
8514 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
8515 wide_prolog_niters argument, emit widening instructions.
8516 (vect_do_peeling_for_alignment): Adjust caller, use widened
8517 variant of the iteration cound.
8518 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
8520 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
8523 * config/arm/neon-testgen.m (emit_automatics): New parameter
8524 features. Adjust for Fixed_return_reg feature.
8525 (test_intrinsic): Call emit_automatics with new feature.
8526 * config/arm/neon.ml: Update copyright years.
8527 (features): New Fixed_return_reg feature.
8528 (ops): Update feature for Vget_low.
8530 2010-01-19 Jakub Jelinek <jakub@redhat.com>
8532 PR tree-optimization/42719
8533 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
8537 * fwprop.c (all_uses_available_at): Return false if def_set dest
8538 is a REG that is used in def_insn.
8540 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
8542 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
8544 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
8547 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
8549 * target.h (struct gcc_target) <secondary_reload>: Change type
8550 of last argument to secondary_reload_info *.
8552 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
8555 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
8556 memory references with unaligned offsets. Remove CQImode handling.
8557 (unaligned_memory_operand): Return 1 for memory references with
8558 unaligned offsets. Remove CQImode handling.
8560 2010-01-18 Richard Guenther <rguenther@suse.de>
8563 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
8566 2010-01-18 Richard Guenther <rguenther@suse.de>
8568 PR tree-optimization/42781
8569 * tree-ssa-structalias.c (find_what_var_points_to): Skip
8570 restrict processing only if the original variable was artificial.
8572 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
8574 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
8575 find number of popped argument bytes.
8577 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
8578 Fix the text that describes the return value for invalid insns.
8580 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
8582 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
8583 Clarify what 'cost of the -dependence' is. Fix quoting.
8585 * toplev.c (default_get_pch_validity): Rename argument to "sz".
8586 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
8588 2010-01-17 Jakub Jelinek <jakub@redhat.com>
8590 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
8591 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
8593 2010-01-17 Richard Guenther <rguenther@suse.de>
8596 * function.c (split_complex_args): Take a VEC to modify.
8597 (assign_parms_augmented_arg_list): Build a VEC instead of
8598 a chain of PARM_DECLs.
8599 (assign_parms_unsplit_complex): Take a VEC of arguments.
8600 Do not fixup unmodified parms.
8601 (assign_parms): Deal with the VEC.
8602 (gimplify_parameters): Likewise.
8604 2010-01-17 Richard Guenther <rguenther@suse.de>
8606 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
8607 node existence check.
8608 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
8609 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
8610 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
8611 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
8612 (gimple_execute_on_growing_pred): Likewise.
8614 2010-01-17 Richard Guenther <rguenther@suse.de>
8616 PR tree-optimization/42773
8617 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
8618 (compute_antic_aux): Likewise.
8619 (compute_partial_antic_aux): Likewise.
8621 2010-01-17 Jie Zhang <jie.zhang@analog.com>
8624 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
8627 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
8629 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
8632 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
8633 Fix markup for strict argument.
8635 (TARGET_SCHED_REORDER2): Fix argument types.
8637 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
8638 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
8640 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
8641 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
8643 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
8646 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
8647 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
8648 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
8649 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
8650 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
8652 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
8654 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
8656 (TARGET_ASM_RELOC_RW_MASK): Add return type.
8657 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
8659 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
8661 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
8664 (TARGET_ASM_NAMED_SECTION): Fix argument list.
8666 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
8667 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
8669 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
8671 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
8673 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
8674 referring to it. Fix language.
8676 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
8678 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
8680 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
8682 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
8684 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
8685 '@var{stream}. Remove stray 'and'.
8687 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
8689 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
8691 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
8693 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
8694 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
8696 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
8697 Fix description of return value.
8698 Rename argument "sz" to "len."
8700 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
8701 Clarify meaning of 'true' return value.
8703 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
8705 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
8706 rep_mode versus mode_rep.
8708 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
8710 (TARGET_BUILTIN_DECL): Fix name.
8712 (TARGET_COMMUTATIVE_P): Fix type of first argument.
8714 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
8716 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
8718 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
8720 (TARGET_RELAXED_ORDERING): Use @deftypevr.
8722 (TARGET_GET_DRAP_RTX): Note that this is a hook.
8725 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
8726 Rename argument tm_fn to md_fn.
8728 (TARGET_OPTION_PRINT): Fix argument list.
8730 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
8733 * config/i386/i386.c (ix86_fixup_binary_operands):
8734 Revert FMA4 fixup of operands.
8736 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8739 * Makefile.in (write_entries_to_file, install-plugin):
8740 Use \012 instead of \n with tr.
8742 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
8744 * configure.ac (HAVE_AS_REF): New C macro.
8745 * configure: Regenerate.
8746 * config.in: Likewise.
8747 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
8749 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
8752 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
8754 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
8756 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
8758 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
8760 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
8762 (TARGET_IN_SMALL_DATA_P): Fix argument type.
8764 (TARGET_BINDS_LOCAL_P): Fix argument type.
8766 (TARGET_ASM_FILE_END): Use prototype.
8768 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
8770 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
8772 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
8774 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
8776 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
8777 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
8779 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
8780 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
8782 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
8783 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
8784 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
8785 (TARGET_ADDR_SPACE_CONVERT): Likewise.
8787 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
8789 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
8791 (TARGET_INIT_BUILTINS): Use prototype.
8793 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
8794 Put 'const char *' in braces. Fix parameter types.
8795 (TARGET_INVALID_CONVERSION): Fix parameter types.
8796 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
8797 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
8799 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
8802 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
8804 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
8806 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
8808 * doc/tm.texi (TARGET_HELP): Fix return type.
8810 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
8811 in braces. Fix argument types.
8813 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
8815 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
8817 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
8819 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
8820 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
8822 (TARGET_MANGLE_TYPE): Fix argument types.
8824 (TARGET_IRA_COVER_CLASSES): Use prototype.
8826 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
8828 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
8830 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
8832 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
8834 (TARGET_CALLEE_COPIES): Fix argument types.
8836 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
8838 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
8840 (TARGET_FUNCTION_VALUE): Fix argument types.
8842 (TARGET_RETURN_IN_MSB): Fix argument type.
8844 (TARGET_RETURN_IN_MEMORY): Fix argument types.
8846 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
8848 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
8850 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
8851 agree with return type.
8853 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
8855 2010-01-15 Jing Yu <jingyu@google.com>
8857 PR rtl-optimization/42691
8858 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
8859 a pseudo to a constant and are merged, and adjust comments.
8861 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
8863 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
8865 2010-01-15 Richard Guenther <rguenther@suse.de>
8868 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
8869 labels of computed or non-local gotos to the destination.
8870 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
8871 landing pad label is the first label.
8873 2010-01-15 Richard Guenther <rguenther@suse.de>
8875 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
8877 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8880 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
8881 to allow generation of the xssqrtdp instruction on power7.
8882 (sqrtdf2_fpr): Ditto.
8884 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8887 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
8888 functions with noreturn attribute.
8891 * varasm.c (declare_weak): Add weak attribute to decl if it
8892 doesn't have one already.
8893 (assemble_external): Only add decls to weak_decls if they also
8894 have weak attribute.
8896 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
8898 * var-tracking.c (var_reg_delete): Don't delete the association
8899 between REGs and values or one-part variables if the register
8902 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8905 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
8906 because its first operand is a non-localized variable.
8908 2010-01-14 Martin Jambor <mjambor@suse.cz>
8910 PR tree-optimization/42706
8911 * tree-sra.c (encountered_recursive_call): New variable.
8912 (encountered_unchangable_recursive_call): Likewise.
8913 (sra_initialize): Initialize both new variables.
8914 (callsite_has_enough_arguments_p): New function.
8915 (scan_function): Call decl and flags check only for IPA-SRA, check
8916 whether there is a recursive call and whether it has enough arguments.
8917 (all_callers_have_enough_arguments_p): New function.
8918 (convert_callers): Look for recursive calls only when
8919 encountered_recursive_call is set.
8920 (ipa_early_sra): Bail out either if
8921 !all_callers_have_enough_arguments_p or
8922 encountered_unchangable_recursive_call.
8924 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8926 * sel-sched.c: Add 2010 to copyright years.
8927 * sel-sched-ir.c: Likewise.
8928 * sel-sched-ir.h: Likewise.
8930 2010-01-14 Martin Jambor <mjambor@suse.cz>
8932 PR tree-optimization/42714
8933 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
8934 constructors specially.
8936 2010-01-14 Andi Kleen <ak@linux.intel.com>
8938 * config/i386/drivers-i386.c (detect_caches_intel):
8939 Add l2sizekb parameter and fill in.
8940 (host_detect_local_cpu): Add l2sizekb, fill in.
8941 Add Atom small cache heuristic.
8943 2010-01-14 Andi Kleen <ak@linux.intel.com>
8945 * config/i386/drivers-i386.c (detect_caches_cpuid4):
8946 Add level3 parameter and fill in.
8947 (detect_caches_intel): Handle level3 cache.
8949 2010-01-14 Andi Kleen <ak@linux.intel.com>
8951 * config/i386/drivers-i386.c (host_detect_local_cpu):
8952 Fix core duo detection.
8954 2010-01-14 Andi Kleen <ak@linux.intel.com>
8956 * config/i386/drivers-i386.c (host_detect_local_cpu):
8959 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8961 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
8962 (rs6000_variable_issue_1): this. Use...
8963 (rs6000_variable_issue): here. Reimplement. Print debug info.
8965 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8967 * sel-sched-ir.c (sel_restore_other_notes): Rename to
8968 sel_restore_notes. Update all callers. Call reemit_notes
8971 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8973 PR rtl-optimization/42246
8974 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
8977 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8979 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
8980 all successors is the same as number of successors in current region.
8982 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8984 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
8985 to rename is not separable. Otherwise check that its LHS is not NULL.
8987 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8989 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
8991 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8993 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
8994 available registers when failed to discover LHS register class.
8995 Fix indentation. Update comment.
8997 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8998 Alexander Monakov <amonakov@ispras.ru>
9000 PR rtl-optimization/42389
9001 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
9003 (advance_state_on_fence): Likewise.
9004 (sel_target_adjust_priority): Print debug output only when
9005 sched_verbose >= 4, not 2.
9006 (get_expr_cost): Do not issue all unique insns on the next cycle.
9007 (fill_insns): Initialize can_issue_more from the value saved
9009 * sel-sched-ir.c (flist_add): New parameter issue_more.
9010 Init FENCE_ISSUE_MORE with it.
9011 (merge_fences): Likewise.
9012 (init_fences): Update call to flist_add.
9013 (add_to_fences, add_clean_fence_to_fences)
9014 (add_dirty_fence_to_fences): Likewise.
9015 (move_fence_to_fences): Update call to merge_fences.
9016 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
9018 * sel-sched-ir.h (struct _fence): New field issue_more.
9019 (FENCE_ISSUE_MORE): New accessor macro.
9021 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9023 PR rtl-optimization/42388
9024 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
9025 that have no predecessors nor successors. Do not call move_bb_info
9026 for empty blocks outside of current region.
9028 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9030 PR rtl-optimization/42294
9031 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
9032 * sel-sched.c (move_exprs_to_boundary): Transitively add all
9033 originators' originators.
9035 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9037 PR rtl-optimization/39453
9038 PR rtl-optimization/42246
9039 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
9041 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
9043 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9044 Alexander Monakov <amonakov@ispras.ru>
9047 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
9048 (maybe_tidy_empty_bb): ... here. Make static. Add new
9049 argument. Update all callers.
9050 (tidy_control_flow): ... and here. Recompute topological order
9051 of basic blocks in region if necessary.
9052 (sel_redirect_edge_and_branch): Change return type. Return true
9053 if topological order might have been invalidated.
9054 (purge_empty_blocks): Export and move from...
9055 * sel-sched.c (purge_empty_blocks): ... here.
9056 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
9057 (maybe_tidy_empty_bb): Delete prototype.
9058 (purge_empty_blocks): Declare.
9060 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9062 PR rtl-optimization/42249
9063 * sel-sched.c (try_replace_dest_reg): When chosen register
9064 and original register is the same, do not bail out early, but
9065 still check all original insns for validity of replacing destination
9066 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
9069 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9072 Port from no-undefined-overflow branch:
9073 2009-03-09 Richard Guenther <rguenther@suse.de>
9075 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
9077 2010-01-14 Richard Guenther <rguenther@suse.de>
9080 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
9082 2010-01-14 Ira Rosen <irar@il.ibm.com>
9084 PR tree-optimization/42709
9085 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
9086 as scalar type in creation of constant vector operand.
9088 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9091 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
9092 (check-parallel-%): Match `testsuite' directory component only
9095 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
9097 PR translation/39521
9098 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
9101 2010-01-13 Richard Guenther <rguenther@suse.de>
9103 PR tree-optimization/42730
9104 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
9107 2010-01-13 Steve Ellcey <sje@cup.hp.com>
9110 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
9111 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
9114 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
9116 * config/bfin/libgcc-bfin.ver: Regenerate based on current
9117 libgcc-std.ver. Add entries for ___smulsi3_highpart and
9118 ___umulsi3_highpart.
9120 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
9121 rather than schedule_insns if the pass is enabled.
9123 2010-01-13 Martin Jambor <mjambor@suse.cz>
9125 PR tree-optimization/42704
9126 * tree-sra.c (sra_modify_assign): Do not delete assignments to
9129 2010-01-13 Martin Jambor <mjambor@suse.cz>
9131 PR tree-optimization/42703
9132 * tree-sra.c (analyze_access_subtree): Check that we can build a
9133 reference to the original data within the aggregate.
9135 2010-01-13 Richard Guenther <rguenther@suse.de>
9137 PR tree-optimization/42705
9138 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
9140 2010-01-13 Richard Guenther <rguenther@suse.de>
9143 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
9145 2010-01-13 Jakub Jelinek <jakub@redhat.com>
9148 * var-tracking.c (values_to_unmark): New variable.
9149 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
9150 values_to_unmark vector. Moved body to...
9151 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
9152 instead queue it into values_to_unmark vector.
9153 (vt_find_locations): Free values_to_unmark vector.
9155 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
9157 * config/s390/s390.c (override_options): Set
9158 default of max-pending-list-length to 256
9160 2010-01-13 Richard Guenther <rguenther@suse.de>
9163 * tree-pass.h (PROP_gimple_lcx): New.
9164 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
9165 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
9166 before the final cleanup_eh.
9167 (dump_properties): Dump PROP_gimple_lcx.
9168 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
9169 (tree_lower_complex_O0): Remove.
9170 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
9171 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
9172 tree_lower_complex, schedule TODO_update_ssa.
9173 * lto-streamer-out.c (output_function): Stream the functions
9175 * lto-streamer-in.c (input_function): Likewise.
9176 (lto_read_body): Do not override them here.
9178 2010-01-12 Joseph Myers <joseph@codesourcery.com>
9181 * c-typeck.c (build_c_cast): Fold value cast to union type before
9182 wrapping it in a CONSTRUCTOR.
9184 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9186 PR rtl-optimization/42699
9187 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
9190 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9192 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9193 SUBTARGET_WARN_UNUSED_SPEC): Move ...
9194 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9195 SUBTARGET_WARN_UNUSED_SPEC): ... here
9196 * config/mips/iris5.h (LIBGCC_SPEC): Define.
9198 2010-01-12 Julian Brown <julian@codesourcery.com>
9200 * config/arm/neon-schedgen.ml (Utils): Don't try to
9201 open missing module.
9202 (find_with_result): New.
9204 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9207 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
9208 sharing when canonicalizing ({lt,ge}u (plus a b) b).
9210 PR tree-optimization/42645
9211 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
9212 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
9213 decl_map, set processing_debug_stmt to -1 and return name without
9216 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
9218 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
9219 binutils version, and reword target configuration description.
9221 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9223 * config/avr/avr.h (LINKER_NAME): Remove.
9225 2010-01-11 Janis Johnson <janis187@us.ibm.com>
9228 * config/rs6000/rs6000.c (rs6000_override_options): On targets
9229 that support VSX, warn for -mno-altivec if vsx is not disabled,
9232 2010-01-11 Joseph Myers <joseph@codesourcery.com>
9233 Shujing Zhao <pearly.zhao@oracle.com>
9235 PR translation/42469
9236 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
9237 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
9238 character between option name and help text.
9239 * c.opt (imultilib): Likewise.
9241 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
9243 * lto-streamer-out.c (output_unreferenced_globals): Output static
9246 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
9248 PR rtl-optimization/42621
9249 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
9250 optimizing for size.
9251 (duplicate_computed_gotos): Remove now-redundant check.
9253 2010-01-10 Steve Ellcey <sje@cup.hp.com>
9256 * configure.ac: Save and restore LDFLAGS and LIBS
9257 * configure: Regenerate.
9259 2010-01-10 Richard Guenther <rguenther@suse.de>
9262 * builtins.c (fold_builtin_strlen): Add type argument and
9263 convert the resulting length to it.
9264 (fold_builtin_1): Adjust.
9266 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9268 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
9269 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
9271 (num_insns_constant_wide): Adjust for that change.
9273 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9276 * web.c (union_defs): Add used argument, to combine uses of
9278 (entry_register): Adjust type and tests of used argument.
9279 (web_main): Widen used for new use. Pass it to union_defs.
9280 * df.h (union_defs): Adjust prototype.
9282 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9285 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
9286 uses in new incoming argument. Free body.
9287 (reset_debug_uses_in_loop): New.
9288 (analyze_insn_to_expand_var): Call the latter if the former found
9289 anything. Fix whitespace. Reject invalid dest overlaps before
9290 going through all insns in the loop.
9292 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9295 * haifa-sched.c (dying_use_p): Debug insns don't count.
9297 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9300 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
9301 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
9302 (verify_gimple_call): Reject LHS in noreturn calls.
9304 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9308 * tree-vect-loop-manip.c (adjust_info): New type.
9309 (adjust_vec): New pointer to vector.
9310 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
9311 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
9312 (slpeel_update_phis_for_duplicate_loop): Use them.
9313 (slpeel_update_phi_nodes_for_guard1): Likewise.
9314 (slpeel_update_phi_nodes_for_guard2): Likewise.
9315 (slpeel_tree_peel_loop_to_edge): Likewise.
9316 (vect_update_ivs_after_vectorizer): Likewise.
9318 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9320 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
9321 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
9323 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9325 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
9326 bogus uninitialized warning.
9328 2010-01-09 Richard Guenther <rguenther@suse.de>
9331 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
9332 the evolution is compatible with the initial condition.
9334 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9336 * gcc.c (process_command): Update copyright notice dates.
9337 * gcov.c (print_version): Likewise.
9338 * gcov-dump.c (print_version): Likewise.
9339 * mips-tfile.c (main): Likewise.
9340 * mips-tdump.c (main): Likewise.
9342 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9345 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
9347 (rotlhi3_8): Delete.
9349 (rotlsi3_8): Delete.
9350 (rotlsi3_16): Delete.
9351 (rotlsi3_24): Delete.
9353 (*rotw<mode>3): New.
9354 (*rotb<mode>3): New.
9355 * config/avr/avr.c (avr_rotate_bytes): New function.
9356 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
9358 2010-01-08 Steve Ellcey <sje@cup.hp.com>
9361 * configure.ac: Modify -rdynamic check.
9362 * configure: Regenerate.
9364 2010-01-08 DJ Delorie <dj@redhat.com>
9366 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
9367 register popping order.
9369 2010-01-08 Richard Guenther <rguenther@suse.de>
9372 * c.opt (fsigned-char): Also let LTO handle this option.
9373 (funsigned-char): Likewise.
9375 2010-01-07 Richard Guenther <rguenther@suse.de>
9377 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
9378 (gimple_op): Likewise.
9379 (gimple_op_ptr): Likewise.
9380 (gimple_assign_set_lhs): Remove gcc_assert.
9381 (gimple_assign_set_rhs1): Likewise.
9382 (gimple_assign_set_rhs2): Likewise.
9383 (gimple_call_set_lhs): Likewise.
9384 (gimple_call_set_fn): Likewise.
9385 (gimple_call_set_fndecl): Likewise.
9386 (gimple_call_fndecl): Likewise.
9387 (gimple_call_return_type): Likewise.
9388 (gimple_call_set_chain): Likewise.
9389 (gimple_call_num_args): Likewise.
9390 (gimple_call_set_arg): Likewise.
9391 (gimple_cond_set_code): Likewise.
9392 (gimple_cond_set_lhs): Likewise.
9393 (gimple_cond_set_rhs): Likewise.
9394 (gimple_cond_set_true_label): Likewise.
9395 (gimple_cond_set_false_label): Likewise.
9396 (gimple_label_set_label): Likewise.
9397 (gimple_goto_set_dest): Likewise.
9398 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
9399 (gimple_debug_bind_get_value): Likewise.
9400 (gimple_debug_bind_get_value_ptr): Likewise.
9401 (gimple_debug_bind_set_var): Likewise.
9402 (gimple_debug_bind_set_value): Likewise.
9403 (gimple_debug_bind_reset_value): Likewise.
9404 (gimple_debug_bind_has_value_p): Likewise.
9405 (gimple_return_retval_ptr): Remove gcc_assert.
9406 (gimple_return_retval): Likewise.
9407 (gimple_return_set_retval): Likewise.
9408 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
9409 (safe_referenced_var_iterator): Remove.
9410 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
9411 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
9412 (fill_referenced_var_vec): Remove.
9413 (first_readonly_imm_use): Remove redundant gcc_assert.
9414 (phi_arg_index_from_use): Combine gcc_asserts.
9415 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
9416 (first_imm_use_stmt): Remove redundant gcc_assert.
9417 * tree-cfg.c (verify_gimple_call): Verify function and chain
9418 operands. Verify arguments.
9419 (verify_types_in_gimple_stmt): Verify condition code and labels.
9421 2010-01-07 Richard Guenther <rguenther@suse.de>
9423 PR tree-optimization/42641
9424 * sese.c (rename_map_elt_info): Use the SSA name version, do
9427 2010-01-07 Jakub Jelinek <jakub@redhat.com>
9429 PR tree-optimization/42625
9430 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
9431 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
9433 2010-01-07 Duncan Sands <baldrick@free.fr>
9435 * Makefile.in (PLUGIN_HEADERS): Add version.h.
9437 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
9440 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
9441 note itself is not function_invariant_p.
9443 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
9445 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
9446 Do not add the DF_NOTE problem.
9447 * store-motion.c (execute_rtl_store_motion): Likewise.
9449 2010-01-07 Martin Jambor <mjambor@suse.cz>
9451 PR tree-optimization/42157
9452 * tree-sra.c (compare_access_positions): Stabilize sort if both
9453 accesses have integer types, return zero immediately if they are the
9456 2010-01-06 Richard Henderson <rth@redhat.com>
9459 * haifa-sched.c (add_to_note_list): Merge into ...
9460 (concat_note_lists): ... here, and ...
9461 (unlink_other_notes, rm_other_notes): Merge into...
9462 (remove_notes): ... here. Create REG_SAVE_NOTEs for
9463 NOTE_INSN_EPILOGUE_BEG.
9465 2010-01-06 Richard Guenther <rguenther@suse.de>
9467 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
9468 not inline regular functions into always-inline functions.
9470 2010-01-06 Nick Clifton <nickc@redhat.com>
9472 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
9473 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
9475 (OVERRIDE_OPTIONS): Delete.
9476 (OPTIMIZATION_OPTIONS): Define.
9477 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
9478 * config/rx/rx.c (rx_handle_option): Issue an error message if
9479 -mcpu=rx200 and -fpu are used together.
9480 (rx_set_optimization_options): New function. Issue an error
9481 message if an optimization attribute attempts to reset the FPU/
9482 math optimization pairing.
9483 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
9484 * config/rx/rx.opt: Set the default to 32-bit doubles.
9485 * config/rx/t-rx: Add multilibs for -nofpu option.
9486 * doc/invoke.texi: Update documentation of RX options.
9488 2010-01-06 Richard Guenther <rguenther@suse.de>
9490 * tree-ssa-pre.c (name_to_id): New global.
9491 (alloc_expression_id): Simplify SSA name handling.
9492 (lookup_expression_id): Likewise.
9493 (init_pre): Zero name_to_id.
9494 (fini_pre): Free it.
9496 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
9498 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
9500 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
9503 * config/i386/sse.md (smaxv2di3): New.
9504 (umaxv2di3): Likewise.
9505 (sminv2di3): Likewise.
9506 (uminv2di3): Likewise.
9508 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
9511 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
9512 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
9513 (legitimize_tls_address): Likewise.
9514 (sparc_tls_referenced_p): Likewise.
9515 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
9516 and adjust calls to legitimize_pic_address.
9517 (legitimate_constant_p) Use sparc_tls_referenced_p.
9518 (legitimate_pic_operand_p): Likewise.
9519 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
9520 (sparc_tls_symbol_ref_1): Delete.
9521 (sparc_tls_referenced_p): Make static, recognize specific patterns.
9522 (legitimize_tls_address): Make static, handle CONST patterns.
9523 (legitimize_pic_address): Make static, remove unused parameter and
9524 adjust recursive calls.
9525 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
9526 and adjust call to legitimize_pic_address.
9527 (sparc_output_mi_thunk): Likewise.
9529 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
9530 H.J. Lu <hongjiu.lu@intel.com>
9533 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
9534 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
9535 operands to make them signed.
9538 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9541 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9542 GTU to GT for V4SI and V2DI.
9544 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9545 (umin<mode>3): Removed.
9547 (uminv4si3): Likewise.
9549 2010-01-05 Martin Jambor <mjambor@suse.cz>
9551 PR tree-optimization/42462
9552 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
9553 current_function_decl to helper functions and macros.
9555 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9558 * flags.h: Don't include real.h.
9559 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
9560 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
9561 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
9562 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
9563 * dominance.c: Update copyright.
9564 * gimple.c (walk_gimple_op): Remove inline.
9565 * tree-ssa-reassoc.c: Include real.h.
9566 * Makefile.in (FLAGS_H): Remove $(REAL_H).
9567 (tree-ssa-reassoc.o): Depend on $(REAL_H).
9569 2010-01-05 Nick Clifton <nickc@redhat.com>
9571 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
9572 register to push into the stack frame when the accumulator has to
9573 be saved during interrupts.
9575 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
9577 * doc/invoke.texi: Remove the documentation about option
9579 * common.opt (Wunreachable-code): Preserved for backward
9581 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
9582 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
9583 the backward compatibility flag section.
9585 2010-01-05 Richard Guenther <rguenther@suse.de>
9587 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
9589 2010-01-05 Jakub Jelinek <jakub@redhat.com>
9592 * cfgexpand.c (expand_one_var): Diagnose too large variables.
9594 PR tree-optimization/42508
9595 * tree-sra.c (convert_callers): Check for recursive call
9596 by comparing cgraph nodes instead of decls.
9597 (modify_function): Call ipa_modify_formal_parameters also
9598 on all same_body aliases.
9600 * cgraphunit.c (cgraph_materialize_all_clones): Compare
9601 cgraph nodes when checking for same_body aliases.
9603 2010-01-05 Richard Guenther <rguenther@suse.de>
9605 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
9606 allocation and lookup.
9607 (get_or_alloc_expr_for_constant): Likewise.
9608 (phi_translate): Sink allocation.
9610 2010-01-04 Richard Guenther <rguenther@suse.de>
9612 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
9613 a new entry only if needed.
9614 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
9615 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
9617 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
9619 (phi_translate): Handle CONSTANTs early.
9621 2010-01-04 Martin Jambor <mjambor@suse.cz>
9623 PR tree-optimization/42398
9624 * tree-sra.c (struct access): Removed flag grp_different_types.
9625 (dump_access): Do not dump the removed flag.
9626 (sort_and_splice_var_accesses): Do not set the removed flag.
9627 (sra_modify_expr): Check for type compatibility directly.
9629 2010-01-04 Martin Jambor <mjambor@suse.cz>
9631 PR tree-optimization/42366
9632 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
9633 edges with variable number of parameters.
9634 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
9635 flag instead of asserting it.
9636 (ipa_read_node_info): Read uses_analysis_done flag.
9638 2010-01-04 Richard Guenther <rguenther@suse.de>
9640 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
9641 iterative_hash_* as intended.
9642 (vn_reference_compute_hash): Likewise. Simplify hashing
9644 (vn_reference_lookup_2): Likewise.
9645 (vn_nary_op_compute_hash): Likewise.
9646 (vn_phi_compute_hash): Likewise.
9647 (expressions_equal_p): Remove strange code.
9648 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
9649 (pre_expr_hash): Likewise. Simplify hashing SSA names.
9650 (bitmap_insert_into_set_1): Take value-id as parameter.
9651 (add_to_value): Pass it.
9652 (bitmap_insert_into_set): Likewise.
9653 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
9655 2010-01-04 Jakub Jelinek <jakub@redhat.com>
9658 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
9659 (do_self_spec): For switches with SWITCH_IGNORE set set also
9660 SWITCH_IGNORE_PERMANENTLY.
9661 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
9664 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
9666 * lto-streamer-out.c (output_unreferenced_globals): Output the full
9667 tree of an unreferenced global var.
9669 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9672 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9673 GTU to GT for V4SI and V2DI.
9675 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9676 (umin<mode>3): Removed.
9678 (uminv4si3): Likewise.
9680 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9683 * collect2.c (main): Turn on trace in collect2 if -v is passed
9686 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
9688 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
9689 description of expression operand.
9691 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
9693 * configure.ac: Add install-html to target_list for Make-hooks.
9694 * configure: Regenerate.
9695 * fortran/Make-lang.in (F95_HTMLFILES): New.
9696 (fortran.html): Use it.
9697 (fortran.install-html): New.
9698 * Makefile.in (install-html): Add lang.install-html.
9699 * java/Make-lang.in (JAVA_HTMLFILES): New.
9700 (java.html): Use it.
9701 (java.install-html): New.
9702 * objc/Make-lang.in (objc.install-html): New.
9703 * objcp/Make-lang.in (obj-c++.install-html): New.
9704 * cp/Make-lang.in (c++.install-html): New.
9705 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
9706 * lto/Make-lang.in (lto.install-html): New.
9708 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9711 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
9713 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
9715 PR rtl-optimization/41862
9716 * store-motion.c (store_killed_in_insn, compute_store_table,
9717 remove_reachable_equiv_notes, replace_store_insn,
9718 build_store_vectors): Ignore all DEBUG_INSNs.
9720 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9723 * common.opt: Add dumpdir.
9725 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
9727 (option_map): Add --dumpdir.
9729 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
9731 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
9733 * opts.c (decode_options): Try dump_dir_name first if
9734 dump_base_name isn't an absolute path.
9735 (common_handle_option): Handle OPT_dumpdir.
9737 * toplev.c (dump_dir_name): New.
9738 (print_switch_values): Also ignore -dumpdir.
9740 * toplev.h (dump_dir_name): New.
9742 2010-01-03 Richard Guenther <rguenther@suse.de>
9744 PR tree-optimization/42589
9745 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
9746 double-word expansion of bswap32.
9748 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
9750 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
9751 with BLOCK_FOR_INSN.
9752 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
9753 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
9754 noce_process_if_block): Likewise.
9755 * gcse.c (compute_local_properties, insert_expr_in_table,
9756 insert_set_in_table, canon_list_insert, find_avail_set,
9757 pre_insert_copy_insn): Likewise.
9759 * basic-block.h (BLOCK_NUM): Move from here...
9760 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
9762 2010-01-03 Richard Guenther <rguenther@suse.de>
9764 PR tree-optimization/42438
9765 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
9766 contains_may_not_return_call flag.
9767 (BB_MAY_NOTRETURN): New.
9768 (valid_in_sets): Trapping nary operations are not valid
9769 in blocks that may not return.
9770 (insert_into_preds_of_block): Remove check for trapping expressions.
9771 (compute_avail): Compute also BB_MAY_NOTRETURN.
9773 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
9775 * doc/invoke.texi: Add 2010 to copyright years.
9777 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
9779 * config/sparc/sparc.c: Fix formatting nits.
9781 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
9782 Alexander Monakov <amonakov@ispras.ru>
9784 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
9786 2010-01-02 Richard Guenther <rguenther@suse.de>
9789 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
9790 (simplify_switch_using_ranges): Mark to be removed edges
9793 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9795 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
9797 * collect2.c (scan_libraries): Add missing argument in call to
9800 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
9803 * config/alpha/predicates.md (aligned_memory_operand): Return false
9805 (unaligned_memory_operand): Return true for CQImode.
9806 * config/alpha/alpha.c (get_aligned_mem): Assert that location
9807 doesn not cross aligned SImode word boundary.
9809 2010-01-02 Anatoly Sokolov <aesok@post.ru>
9811 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
9813 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
9814 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
9816 2010-01-02 Richard Guenther <rguenther@suse.de>
9819 * toplev.c (compile_file): Emit LTO marker properly. Change
9821 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
9823 2010-01-01 Richard Guenther <rguenther@suse.de>
9826 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
9828 2010-01-01 Richard Guenther <rguenther@suse.de>
9831 * c-decl.c (grokdeclarator): For zero-size arrays force
9832 structural equality checks as layout_type does.
9834 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9836 * builtins.c: Update copyright to 2010.
9838 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9841 * lto-streamer-out.c (produce_asm): Revert the last change.
9842 (copy_function): Likewise.
9844 * lto-streamer.c (lto_get_section_name): Skip any leading
9847 2010-01-01 Richard Guenther <rguenther@suse.de>
9850 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
9854 Copyright (C) 2010 Free Software Foundation, Inc.
9856 Copying and distribution of this file, with or without modification,
9857 are permitted in any medium without royalty provided the copyright
9858 notice and this notice are preserved.