1 2010-05-17 Christian Borntraeger <borntraeger@de.ibm.com>
3 * config/s390/s390.c: Define sane prefetch settings and activate
4 flag_prefetch_loop_arrays on -O3.
5 * config/s390/s390.h: Declare that read can use write prefetch.
7 2010-05-17 Jakub Jelinek <jakub@redhat.com>
9 * lto-streamer-out.c (lto_output): Fix --enable-checking=release
12 2010-05-16 Jan Hubicka <jh@suse.cz>
14 * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
15 function body; do not check stdarg field of struct function.
17 2010-05-16 Jan Hubicka <jh@suse.cz>
19 * cgraph.c (dump_cgraph_node): Dump versionable flag.
20 * cgraph.h (cgraph_local_info): Add versionable flag.
21 * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
22 (ipcp_versionable_function_p): Use it.
23 * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
26 2010-05-16 Jan Hubicka <jh@suse.cz>
28 * cgraph.c (cgraph_clone_node): Take decl argument and insert
29 clone into hash when it is different from orig.
30 (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
31 * cgraph.h (cgraph_clone_node): Update prototype.
32 * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
33 (lto_cgraph_encoder_delete): Delete body map.
34 (lto_cgraph_encoder_size): Move to header.
35 (lto_cgraph_encoder_encode_body_p,
36 lto_set_cgraph_encoder_encode_body): New.
37 (lto_output_node): Do not take written_decls argument; output clone_of
39 (add_node_to): Add include_body_argument; call
40 lto_set_cgraph_encoder_encode_body on master of the clone.
41 (add_references): Update use of add_node_to.
42 (compute_ltrans_boundary): Likewise.
43 (output_cgraph): Do not create written_decls bitmap.
44 (input_node): Take nodes argument; stream in clone_of correctly.
45 (input_cgraph_1): Update use of input_node.
46 * lto-streamer-out.c (lto_output): Use encoder info to decide
47 what bodies to output.
48 * ipa-inline.c (cgraph_clone_inlined_nodes,
49 cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
50 * lto-streamer.h (lto_cgraph_encoder_d): Add body.
51 (lto_cgraph_encoder_size): Define here.
52 (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
55 2010-05-16 Richard Guenther <rguenther@suse.de>
57 * doc/invoke.texi (-fipa-struct-reorg): Do not mention
59 * ipa-type-escape.c (gate_type_escape_vars): Run when
60 -fipa-struct-reorg runs.
61 * opts.c (decode_options): Do not unset flag_ipa_type_escape.
62 * common.opt (fipa-type-escape): Remove.
64 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
66 * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
67 (decode_options): Likewise.
68 * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
70 2010-05-16 Jan Hubicka <jh@suse.cz>
72 * ipa.c (function_and_variable_visibility): Also bring local all
75 2010-05-16 Richard Guenther <rguenther@suse.de>
77 * alias.c (nonoverlapping_memrefs_p): Remove use of
78 IPA type-escape information.
80 2010-05-16 Joseph Myers <joseph@codesourcery.com>
82 * c-common.c (c_common_reswords): Add _Static_assert for C.
83 * c-parser.c (c_token_starts_declaration,
84 c_parser_next_token_starts_declaration,
85 c_parser_static_assert_declaration_no_semi,
86 c_parser_static_assert_declaration): New.
87 (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
88 Handle static assertions if static_assert_ok.
89 (c_parser_external_declaration, c_parser_declaration_or_fndef,
90 c_parser_compound_statement_nostart, c_parser_label,
91 c_parser_for_statement, c_parser_objc_methodprotolist,
92 c_parser_omp_for_loop): All callers of
93 c_parser_declaration_or_fndef changed.
94 (c_parser_struct_declaration): Handle static assertions.
95 (c_parser_compound_statement_nostart): Use
96 c_parser_next_token_starts_declaration and
97 c_token_starts_declaration to detect start of declarations.
98 (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
101 2010-05-16 Anatoly Sokolov <aesok@post.ru>
103 * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
104 LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
105 * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
106 TARGET_FUNCTION_VALUE_REGNO_P): Define.
107 (mmix_function_outgoing_value): Rename to...
108 (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
109 (mmix_function_value_regno_p): Make static.
110 (mmix_libcall_value): New function.
111 * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
112 mmix_function_value_regno_p): Remove declaration.
114 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
116 * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
117 BUILT_IN_ALLOCA if stack checking is enabled.
119 2010-05-16 Richard Guenther <rguenther@suse.de>
121 * var-tracking.c (vars_copy_1): Inline ...
122 (vars_copy): ... here. Use FOR_EACH_HTAB_ELEMENT.
123 (variable_union): Use FOR_EACH_HTAB_ELEMENT. Merge asserts.
124 (variable_merge_over_cur): Adjust. Merge asserts.
125 (variable_merge_over_src): Likewise.
126 (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
127 (variable_post_merge_new_vals): Merge asserts.
128 (variable_post_merge_perm_vals): Likewise.
129 (find_mem_expr_in_1pdv): Likewise.
130 (dataflow_set_different_value): Remove.
131 (onepart_variable_different_p): Merge asserts.
132 (variable_different_p): Likewise.
133 (dataflow_set_different_1): Inline ...
134 (dataflow_set_different): ... here. Use FOR_EACH_HTAB_ELEMENT.
135 (emit_notes_for_differences_1): Merge asserts.
137 2010-05-16 Richard Guenther <rguenther@suse.de>
139 * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
140 * optabs.c (libfunc_decl_hash): Likewise.
141 * varasm.c (emutls_decl): Likewise.
143 2010-05-16 Steven Bosscher <steven@gcc.gnu.org>
145 * c-decl.c: Don't include gimple.h.
146 (merge_decls): Do not copy gimple_body.
148 2010-05-15 Jason Merrill <jason@redhat.com>
150 * c.opt: Add -fnothrow-opt.
152 2010-05-15 Jan Hubicka <jh@suse.cz>
154 * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
156 * passes.c (ipa_write_summaries): Write all analyzed nodes.
158 2010-05-15 Steven Bosscher <steven@gcc.gnu.org>
160 * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
161 * Makefile.in: Add it.
162 Fix all other Makefile dependencies for changes below.
163 * tree.h: Include it instead of defining VEC primitives here.
164 * gimple.h: Likewise.
166 * tree-inline.h: Inlclude vecir.h instead of gimple.h.
167 * except.h: Include vecir.h, break dependence on tree.h.
169 * gimplify.c (append_to_statement_list_1, append_to_statement_list):
171 * tree-iterator.c: ...to here.
172 * tree-iterator.h: Fix file introduction comment. Add extern markers.
174 * c-lex.c: Include fixed-value.h instead of rtl.h. Do not include
176 * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
177 * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
178 integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
179 tree-mudflap.h, and target.h.
180 * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
181 predict.h, tree-inline.h, gimple.h, and langhooks.h.
182 * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
183 Add FIXME for why gimple.h is still included (should be unnecessary
184 since GCC 4.5 gimplification unit-at-a-time).
185 * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
186 * c-pragma.c: Add FIXME for why function.h needs to be included just
187 for cfun, at front-end level.
188 Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
189 Do not include ggc.h, but include vecprim.h for VEC(char).
190 * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
191 Explain why target.h is included.
192 * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
193 Explain why gimple.h is included.
194 * c-ppoutput.c: Do not include tm.h.
195 * c-common.c: Do not include gimple.h. Explain why expr.h is included.
196 * c-parses.c: Explain why rtl.h is included, and that this (and only
197 this) is also why tm.h must be included.
198 Do not include except.h.
199 * c-lang.c: Do not include ggc.h.
201 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
203 * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
205 2010-05-15 Joseph Myers <joseph@codesourcery.com>
207 * c-decl.c (grokfield): Allow typedefs for anonymous structs and
208 unions by default if those structs and unions have no tags. Do
209 not condition anonymous struct and unions handling on flag_iso.
210 Allow anonymous structs and unions for C1X.
211 (finish_struct): Do not diagnose lack of named fields when
212 anonymous structs and unions present for C1X. Accept flexible
213 array members in structure with anonymous structs or unions but no
214 directly named fields.
215 * doc/extend.texi (Unnamed Fields): Update.
217 2010-05-15 Eric Botcazou <ebotcazou@adacore.com>
219 * gimple.h (compare_field_offset): Rename into...
220 (gimple_compare_field_offset): ...this.
221 * gimple.c (compare_field_offset): Rename into...
222 (gimple_compare_field_offset): ...this. Compare the full access if
223 the offset is self-referential.
224 (gimple_types_compatible_p): Adjust for above renaming.
225 * lto-streamer-in.c (input_gimple_stmt): Likewise. Also compare the
226 DECL_NONADDRESSABLE_P flag of fields before merging them.
228 2010-05-15 Nathan Froyd <froydnj@codesourcery.com>
230 * tree.h (ctor_to_list): Delete.
231 * tree.c (ctor_to_list): Delete.
233 2010-05-15 Jan Hubicka <jh@suse.cz>
235 * ipa-reference.c: Include toplev.h
236 (is_proper_for_analysis): Only add to all_module_statics
238 (write_node_summary_p, stream_out_bitmap,
239 ipa_reference_write_optimization_summary,
240 ipa_reference_read_optimization_summary): New.
241 (struct ipa_opt_pass_d pass_ipa_reference): Add
242 optimization summary streaming.
243 * lto-cgraph.c (referenced_from_this_partition_p,
244 reachable_from_this_partition_p): New functions.
245 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
246 call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
247 * opts.c (decode_options): Enable ipa_reference.
248 * Makefile.in (ipa-reference.o): Add toplev.h dependency.
249 * lto-streamer.h (referenced_from_this_partition_p,
250 reachable_from_this_partition_p): Declare.
252 2010-05-15 Richard Guenther <rguenther@suse.de>
254 PR tree-optimization/44038
255 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
256 taking the address of a V_C_E of a constant.
258 2010-05-14 Jan Hubicka <jh@suse.cz>
260 * tree.h (memory_identifier_string): Remove.
261 * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
262 (ipa_reference_global_vars_info_d): Remove statics_not_read and
264 (ipa_reference_optimization_summary_d): New structure.
265 (ipa_reference_optimization_summary_t): New type and vector.
266 (ipa_reference_vars_info_d): Embedd structures instead of using
268 (reference_vars_to_consider): Remove out of GGC space.
269 (module_statics_escape): Remove.
270 (global_info_obstack): Rename to ...
271 (optimization_summary_obstack): ... this one.
272 (initialization_status_t): Remove.
273 (memory_identifier_string): Remove.
274 (get_reference_vars_info): Fix indenting.
275 (set_reference_vars_info): Likewise.
276 (get_reference_optimization_summary): New.
277 (set_reference_optimization_summary): New.
278 (get_global_reference_vars_info): Remove.
279 (ipa_reference_get_read_global): Remove.
280 (ipa_reference_get_written_global): Remove.
281 (ipa_reference_get_not_read_global): Update.
282 (ipa_reference_get_not_written_global): Update.
283 (is_proper_for_analysis): Outlaw addressable.
284 (propagate_bits): Update for new datastructures.
285 (analyze_variable): Remove.
286 (init_function_info): Update for new datastructures.
287 (clean_function_local_data): Remove.
288 (clean_function): Remove.
289 (copy_global_bitmap): Use optimizations_summary_obstack.
290 (duplicate_node_data): Duplicate optimization summary only.
291 (remove_node_data): Remove optimization summary only.
292 (generate_summary): Do not analyze variables; do not compute
293 module_statics_escape; do not prune solutions by it.
294 (read_write_all_from_decl): Fix typos in comments.
295 (propagate): Doscover readonly and nonaddressable first;
296 update for new datastructures; share global bitmaps.
297 * ipa-reference.h (ipa_reference_get_read_global,
298 ipa_reference_get_written_global): Remove.
299 * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
300 * Makefile.in: Remove ipa-refereference from GT files.
302 2010-05-14 Jakub Jelinek <jakub@redhat.com>
305 * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
306 for all SYMBOL_REF_DECLs.
308 2010-05-14 Jan Hubicka <jh@suse.cz>
310 * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
311 (varpool_all_refs_explicit_p): New inline function.
312 * ipa-reference.c: Update comment.
313 (module_statics_written): Remove.
314 (get_static_decl): Remove.
315 (ipa_init): Do not initialize module_statics_written.
316 (analyze_function): Likewise.
317 (generate_summary): Likewise; do not compute module_statics_readonly
318 and do not update variable flags.
319 (propagate): Call ipa_discover_readonly_nonaddressable_vars.
320 * ipa.c: Inlucde flags.h
321 (cgraph_local_node_p): New.
322 (cgraph_remove_unreachable_nodes): Return early when not optimizing;
323 promote functions to local.
324 (ipa_discover_readonly_nonaddressable_vars): New function.
325 (function_and_variable_visibility): Use cgraph_local_node_p.
326 * varpool.c (varpool_finalize_decl): Set force_output for
327 DECL_PRESERVE_P vars.
329 2010-05-14 Jan Hubicka <jh@suse.cz>
331 * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
333 2010-05-14 Richard Guenther <rguenther@suse.de>
335 PR tree-optimization/44119
336 * tree-ssa-pre.c (eliminate): Properly mark replacement of
337 a PHI node necessary.
339 2010-05-14 Eric Botcazou <ebotcazou@adacore.com>
341 * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
343 2010-05-14 Jason Merrill <jason@redhat.com>
346 * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
347 (gimple_call_set_nothrow): New.
348 * gimple.c (gimple_build_call_from_tree): Call it.
349 (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
352 * gimplify.c (gimplify_seq_add_stmt): No longer static.
353 * gimple.h: Declare it.
354 * gimple.c (gimple_build_eh_filter): No ops.
356 2010-05-14 Jan Hubicka <jh@suse.cz>
358 * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
359 nodes already in queue.
360 (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
363 2010-05-14 Jakub Jelinek <jakub@redhat.com>
366 * cfgexpand.c (expand_debug_expr): If non-memory op0
367 has BLKmode, return NULL.
369 2010-05-14 Harsha Jagasia <harsha.jagasia@amd.com>
371 * config.gcc: Add support for --with-cpu option for bdver1.
372 * config/i386/i386.h (TARGET_BDVER1): New macro.
373 (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
374 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
375 (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
376 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
377 Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
378 (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
379 (processor_type): Add PROCESSOR_BDVER1.
380 * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
381 processor_type in config/i386/i386.h.
382 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
383 movaps <reg, reg> instead of movapd <reg, reg> when replacing
384 movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
385 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
386 to emit packed xor instead of packed double/packed integer
387 xor for SSE and AVX when moving a zero value.
388 * config/i386/sse.md: Add check for
389 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
390 movapd/movdqa for SSE and AVX.
391 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
392 single logical operations i.e and, or and xor instead of packed double
393 logical operations for SSE and AVX.
394 * config/i386/i386-c.c (ix86_target_macros_internal):
395 Add PROCESSOR_BDVER1.
396 * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
397 (has_fma4, has_xop): New.
398 * config/i386/i386.c (bdver1_cost): New variable.
399 (m_BDVER1): New macro.
400 (m_AMD_MULTIPLE): Add m_BDVER1.
401 (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
402 x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
403 x86_tune_use_simode_fiop, x86_tune_promote_qimode,
404 x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
405 x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
406 x86_tune_sse_partial_reg_dependency,
407 x86_tune_sse_unaligned_load_optimal,
408 x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
409 x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
410 x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
411 x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
412 x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
413 Enable/disable for bdver1.
414 (processor_target_table): Add bdver1_cost.
415 (cpu_names): Add bdver1.
416 (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
417 processor_alias_table.
418 (ix86_expand_vector_move_misalign): Change.
419 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
420 Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
421 Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
422 of movupd/movdqu for SSE and AVX.
423 (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
424 (ix86_tune_adjust_cost): Add code for bdver1.
425 (standard_sse_constant_opcode): Add check for
426 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
427 of packed double xor for SSE and AVX.
429 2010-05-14 Pat Haugen <pthaugen@us.ibm.com>
431 * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
434 2010-05-14 Tristan Gingold <gingold@adacore.com>
436 * toplev.c (default_debug_hooks): Remove this variable.
437 (process_options): Remove assignments to default_debug_hooks.
439 2010-05-14 Martin Jambor <mjambor@suse.cz>
441 * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
442 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
443 * langhooks.h (struct lang_hooks_for_decls): Removed field
445 * tree.c (free_lang_data): Remove assignment to
446 lang_hooks.fold_obj_type_ref.
447 * tree.def (OBJ_TYPE_REF): Update comment.
449 2010-05-14 Richard Guenther <rguenther@suse.de>
451 PR tree-optimization/44124
452 * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
454 2010-05-14 Alan Modra <amodra@gmail.com>
457 * config/rs6000/rs6000.c (struct machine_function): Reorder
458 fields for better packing. Add lr_save_state.
459 (rs6000_ra_ever_killed): Return lr_save_state if set.
460 (rs6000_emit_eh_reg_restore): Set lr_save_state.
462 2010-05-13 Jan Hubicka <jh@suse.cz>
464 * varpool.c (decide_is_variable_needed): Drop code checking
465 TREE_SYMBOL_REFERENCED.
467 2010-05-13 Jan Hubicka <jh@suse.cz>
469 * final.c (output_addr_const): Do not call mark_decl_referenced.
470 * cgraphunit.c (process_function_and_variable_attributes): Use
471 mark_needed_node dirrectly.
472 (assemble_thunk): Do not call mark_decl_referenced.
474 2010-05-13 Anatoly Sokolov <aesok@post.ru>
476 * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
478 2010-05-13 Jeff Law <law@redhat.com>
480 * ira-conflicts.c (print_allocno_conflicts): New function broken out
482 (print_conflicts): Call print_allocno_conflicts.
484 2010-05-13 Jakub Jelinek <jakub@redhat.com>
487 * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
490 2010-05-13 Kai Tietz <kai.tietz@onevision.com>
492 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
493 t-mingw-w64 or t-mingw-w32 for multilib configuration.
494 * config/i386/t-mingw-w32: New.
495 * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
497 2010-05-13 Martin Jambor <mjambor@suse.cz>
499 * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
501 * gimple-fold.c (get_base_binfo_for_type): New function.
502 (gimple_get_relevant_ref_binfo): Likewise.
503 (gimple_fold_obj_type_ref_known_binfo): Likewise.
504 (gimple_fold_obj_type_ref): Likewise.
505 (fold_gimple_call): Simplify condition for folding virtual calls
506 and call gimple_fold_obj_type_ref.
507 * gimple.h (gimple_get_relevant_ref_binfo): Declare.
508 (gimple_fold_obj_type_ref_known_binfo): Likewise.
510 2010-05-13 Andreas Schwab <schwab@linux-m68k.org>
512 * config/rs6000/rs6000-protos.h
513 (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
514 * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
515 (rs6000_debug_mode_dependent_address)
516 (rs6000_mode_dependent_address_ptr): Likewise.
518 2010-05-13 Jakub Jelinek <jakub@redhat.com>
521 * var-tracking.c (track_expr_p): Allow tracking of variables optimized
523 * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
524 * tree-sra.c (create_access_replacement): Call unshare_expr before
525 passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
526 * dwarf2out.c: Include tree-flow.h.
527 (struct var_loc_node): Rename var_loc_note field to loc, add comment.
528 (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
529 Handle DW_OP_bit_piece.
530 (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
531 construct_piece_list, adjust_piece_list): New functions.
532 (add_var_loc_to_decl): Handle SRA optimized variables.
533 Adjust for var_loc_note to loc field renaming.
534 (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
535 in VAR_LOCATION note.
536 (new_loc_descr_op_bit_piece): New function.
537 (dw_sra_loc_expr): New function.
538 (dw_loc_list): Use it. Don't handle the last range after the
539 loop, handle it inside of the loop. Adjust for var_loc_note
540 to loc field renaming.
541 (add_location_or_const_value_attribute): Only special case
542 single entry loc lists if loc is NOTE_P. Adjust for
543 var_loc_note to loc field renaming.
544 (dwarf2out_var_location): Don't set newloc->var_loc_note
545 and newloc->next here.
547 2010-05-12 Jan Hubicka <jh@suse.cz>
549 * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
551 * cgraph.h (cgraph_only_called_directly_p,
552 cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
553 (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
554 * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
556 * ipa.c (cgraph_remove_unreachable_nodes): Use
557 cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
559 * tree-inline.c (copy_bb): Check address_taken flag.
560 * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
561 externally_visible flag.
563 2010-05-12 Jason Merrill <jason@redhat.com>
567 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
568 * sdbout.c (plain_type_1): Likewise.
569 * dwarf2out.c (is_base_type): Likewise.
570 (gen_type_die_with_usage): Likewise. Generate
571 DW_TAG_unspecified_type for any LANG_TYPE.
573 2010-05-12 Jan Hubicka <jh@suse.cz>
575 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
577 * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
578 (cgraph_clone_edge): Update.
579 (cgraph_node_remove_callees): Remove indirect calls too.
580 * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
581 (cgraph_create_indirect_edge): Update prototype.
582 * ipa-reference.c (has_proper_scope_for_analysis): Rename to
583 is_proper_for_analysis.
584 (add_new_function, visited_nodes, function_insertion_hook_holder,
585 get_local_reference_vars_info, mark_address_taken, mark_address,
586 mark_load, mark_store, check_asm_memory_clobber, check_call,
587 scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
588 (ipa_init): Do not initialize visited_nodes;
589 function_insertion_hook_holder.
590 (analyze_variable): Rewrite.
591 (analyze_function): Rewrite.
592 (copy_local_bitmap): Remove.
593 (duplicate_node_dat): Do not duplicate local info.
594 (generate_summary): Simplify to only walk cgraph.
595 (write_node_summary_p, ipa_reference_write_summary,
596 ipa_reference_read_summary): Remove.
597 (propagate): Do not remove function insertion;
599 (pass_ipa_reference): NULLify summary handling fields.
600 * lto-cgraph.c (lto_output_edge): Output ecf_flags.
601 (input_edge): Input ecf_flags.
602 * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
603 (update_indirect_edges_after_inlining): Ignore edges with unknown
606 2010-05-12 Sriraman Tallam <tmsriram@google.com>
608 * implicit-zee.c: New file.
609 * tree-pass.h (pass_implicit_zee): Declare.
610 * passes.c (init_optimization_passes): Add zee pass.
611 * common.opt (fzee): New flag.
612 * timevar.def (TV_ZEE): Define.
613 * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
615 * Makefile.in (implicit-zee.o): Add new build file.
617 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
618 Nathan Froyd <froydnj@codesourcery.com>
620 * c-common.c (sync_resolve_params): Remove write-only variable.
622 2010-05-12 Anatoly Sokolov <aesok@post.ru>
624 * target.h (struct gcc_target): Add mode_dependent_address_p field.
625 * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
626 (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
627 * targhooks.c (default_mode_dependent_address_p): New function.
628 * targhooks.h (default_mode_dependent_address_p): Declare function.
629 * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
630 (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
631 * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
632 target hook. Change return type to bool.
633 * recog.h: (mode_dependent_address_p): Change return type to bool.
635 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
636 Nathan Froyd <froydnj@codesourcery.com>
638 * tree-mudflap.c (build_function_type_0, build_function_type_1,
639 build_function_type_2, build_function_type_3): Remove.
640 (mudflap_init): Use build_function_type_list.
642 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
643 Nathan Froyd <froydnj@codesourcery.com>
645 * coverage.c (build_fn_info_value): Call build_constructor instead of
646 build_constructor_from_list.
647 (build_ctr_info_value): Likewise.
648 (build_gcov_info): Likewise.
650 2010-05-12 Nathan Froyd <froydnj@codesourcery.com>
652 * tree.c (build_constructor): Compute TREE_CONSTANT for the
653 resultant constructor.
654 (build_constructor_single): Don't set TREE_CONSTANT.
655 (build_constructor_from_list): Don't compute TREE_CONSTANT.
657 2010-05-12 Jan Hubicka <jh@suse.cz>
659 * cgraph.h (struct varpool_node): Add aux.
660 * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
661 * varpool.c (varpool_remove_node): Do not remove initializer.
662 (varpool_reset_queue): Export.
663 (varpool_finalize_decl): Volatile vars are forced to be output.
664 * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
666 * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
667 process_references, varpool_can_remove_if_no_refs): New functions.
668 (cgraph_remove_unreachable_nodes): Handle variables too.
670 2010-05-12 H.J. Lu <hongjiu.lu@intel.com>
673 * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
675 2010-05-12 Jakub Jelinek <jakub@redhat.com>
678 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
679 change value of ORT_TASK.
680 (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
681 (omp_notice_threadprivate_variable): New function.
682 (omp_notice_variable): Call it for threadprivate variables.
683 If enclosing ctx is a task, print enclosing task rather than
684 enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK.
685 (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
686 if task has untied clause.
689 * dwarf2out.c (base_type_die): Don't add name attribute here.
690 (modified_type_die): Instead of sizetype use
691 its underlying original type. If a DW_TAG_base_type doesn't
692 have name added, add __unknown__.
693 (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
694 always call force_type_die instead.
696 2010-05-12 Maxim Kuvyrkov <maxim@codesourcery.com>
698 * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
699 for __stack_chk_guard.
701 2010-05-11 Jakub Jelinek <jakub@redhat.com>
703 * c-opts.c (c_common_parse_file): If start_end_main_source_file,
704 don't call start_source_file debug hook here...
705 (finish_options): ... but here, after outputting predefined and
706 command line defines and undefs.
709 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
711 * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
712 optimizing away empty bb with no successors, move over its
713 footer chain to fallthru predecessor.
714 * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
715 (rtl_split_edge): For asm goto call patch_jump_insn even if
716 splitting fallthru edge.
719 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
720 even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
721 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
722 * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
726 * c-parser.c (c_parser_expression): Mark LHS of a comma
727 expression as read if it is a decl, handled component or
728 COMPOUND_EXPR with that on the RHS.
729 * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
730 if it is a decl or handled component.
732 2010-05-11 Jan Hubicka <jh@suse.cz>
734 * lto-symtab.c (lto_symtab_free): New function.
735 * lto-streamer.h (lto_symtab_free): Declare.
737 2010-05-11 Jan Hubicka <jh@suse.cz>
739 * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
740 that if function is needed it is reachable.
741 (lto_output_node): See if it the function is reachable or referenced.
742 (output_cgraph): Update call of lto_output_node.
743 * lto-streamer.h (reachable_from_other_partition_p): Declare.
745 2010-05-11 Jan Hubicka <jh@suse.cz>
747 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
750 2010-05-11 Jan Hubicka <jh@suse.cz>
752 PR tree-optimize/44063
753 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
755 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
757 (estimate_function_body_sizes): Compute sizes even when disregarding.
759 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
761 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
763 2010-05-11 Jan Hubicka <jh@suse.cz>
765 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
768 2010-05-11 Jan Hubicka <jh@suse.cz>
770 * matrix-reorg.c (matrix_reorg): Rebuild edges.
772 2010-05-11 Jan Hubicka <jh@suse.cz>
774 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
775 lto_streamer_cache_delete): Put nodes into heap.
776 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
779 2010-05-11 Jan Hubicka <jh@suse.cz>
781 * cgraphbuild.c (cgraph_rebuild_references): New.
782 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
784 * cgraph.h (cgraph_rebuild_references): Declare.
785 * tree-inline.c (tree_function_versioning): Use it.
786 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
788 2010-05-11 Jan Hubicka <jh@suse.cz>
790 * cgraph.c: Include ipa-utils.h
791 (cgraph_create_virtual_clone): Update references.
792 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
794 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
796 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
797 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
800 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
802 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
804 2010-05-11 Jakub Jelinek <jakub@redhat.com>
806 * gcc.c (execute): For -### don't quote arguments that
807 contain just alphanumerics and _/-. characters.
808 * doc/invoke.texi: Document that change for -###.
811 * df-problems.c (struct dead_debug): Add to_rescan field.
812 (dead_debug_init): Clear to_rescan field.
813 (dead_debug_finish): Rescan all debug insns in to_rescan
814 bitmap and free the bitmap.
815 (dead_debug_insert_before): Instead of rescanning debug insns
816 immediately queue their rescanning until dead_debug_finish.
817 (df_note_bb_compute): After dead_debug_add do continue instead
820 2010-05-10 Jakub Jelinek <jakub@redhat.com>
823 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
824 clear also INSN_REG_USE_LIST.
826 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
828 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
830 2010-05-10 Jan Hubicka <jh@suse.cz>
832 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
835 2010-05-10 Jan Hubicka <jh@suse.cz>
837 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
839 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
840 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
841 (lto_streamer_cache_create): Init alloc pool.
842 (lto_streamer_cache_delete): Free alloc pool.
843 * lto-streamer.h: Include alloc pool.
844 (lto_streamer_cache_d): Use alloc pool.
845 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
847 2010-05-10 Jan Hubicka <jh@suse.cz>
849 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
850 * cgraphbuild.c: Include except.h
851 (record_type_list, record_eh_tables): New function.
852 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
854 2010-05-10 Jan Hubicka <jh@suse.cz>
856 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
857 __frame_dummy_init_array_entry, force_to_data): Attribute as used
860 2010-05-10 Michael Matz <matz@suse.de>
862 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
863 (can_reassociate_p): Use FLOAT_TYPE_P.
864 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
865 (vect_force_simple_reduction): ... this.
866 * tree-parloops.c (gather_scalar_reductions): Use
867 vect_force_simple_reduction.
868 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
869 vect_is_simple_reduction, add modify argument, if true rewrite
871 (vect_is_simple_reduction, vect_force_simple_reduction): New
873 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
875 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
876 Vladimir Makarov <vmakarov@redhat.com>
878 PR rtl-optimization/44012
879 * ira-build.c (remove_unnecessary_allocnos): Nullify
880 regno_allocno_map of the removed allocno.
882 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
884 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
886 * configure: Regenerate.
888 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
890 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
892 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
893 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
895 * configure: Regenerate.
897 2010-05-10 Richard Guenther <rguenther@suse.de>
899 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
900 marked if the entry identifier is marked.
902 2010-05-10 Richard Guenther <rguenther@suse.de>
904 * c-common.c (struct c_common_attributes): Add fnspec attribute.
905 (handle_fnspec_attribute): New function.
906 * gimple.h (gimple_call_return_flags): Declare.
907 (gimple_call_arg_flags): Likewise.
908 * gimple.c (gimple_call_arg_flags): New function.
909 (gimple_call_return_flags): Likewise.
910 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
912 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
914 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
915 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
917 (make_heapvar_for): ... this new function.
918 (handle_rhs_call): Handle fnspec attribute argument specifiers.
919 (handle_lhs_call): Likewise.
920 (find_func_aliases): Adjust.
922 2010-05-10 Richard Guenther <rguenther@suse.de>
924 PR tree-optimization/44050
925 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
927 2010-05-10 Wei Guozhi <carrot@google.com>
930 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
932 2010-05-09 Joseph Myers <joseph@codesourcery.com>
935 * c-typeck.c (lookup_field): Take a type directly. Update
937 (build_component_ref): Update call to lookup_field.
938 (set_init_label): Use lookup_field to find initialized field.
939 Handle returned list of fields like a sequence of designators.
941 2010-05-09 Richard Guenther <rguenther@suse.de>
944 * fold-const.c (tree_single_nonzero_warnv_p): Properly
945 handle &FUNCTION_DECL.
947 2010-05-09 Joseph Myers <joseph@codesourcery.com>
950 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
951 structures and unions recursively.
952 (detect_field_duplicates): Move duplicate detection with a hash to
953 detect_field_duplicates_hash. Always use a hash if anonymous
954 structures or unions are present.
955 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
958 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
961 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
962 detect Atom, Core 2 and Core i7.
964 2010-05-09 Richard Guenther <rguenther@suse.de>
966 * gcc.c (store_arg): Handle temporary file deletion for
969 2010-05-09 Richard Guenther <rguenther@suse.de>
972 * ipa-inline.c (estimate_function_body_sizes): Return after
973 disregarding inline limits.
975 2010-05-09 Richard Guenther <rguenther@suse.de>
977 * gcc.c (store_arg): Revert last change.
979 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
982 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
983 (optimize_ops_list): Call it.
985 2010-05-08 Richard Guenther <rguenther@suse.de>
987 PR tree-optimization/44030
988 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
989 NECESSARY flag if we propagate from a inserted expression.
991 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
993 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
994 domain types as equal if they are both PLACEHOLDER_EXPRs.
996 2010-05-08 Richard Guenther <rguenther@suse.de>
998 * lto-wrapper.c (run_gcc): Remove linker output from
999 command line for LTRANS invocation.
1001 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1003 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1004 lto-macho as lto_binary_reader.
1005 * target.h (struct gcc_target): New hooks lto_start and lto_end.
1006 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1007 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1008 in lto_start and lto_end calls.
1009 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
1011 (scan_prog_file): Update is_elf_or_coff call.
1012 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1014 * collect2.c (main): Fix enum comparison.
1016 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1018 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1019 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
1020 and TARGET_ASM_LTO_END.
1021 * darwin.c: Include obstack.h and lto-streamer.h.
1022 (lto_section_names_offset, lto_section_names_obstack,
1023 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1025 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1026 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
1027 to a temporary file.
1028 (darwin_asm_lto_end): New function. Restore asm_out_file.
1029 (darwin_asm_named_section): For LTO sections, replace the name with
1030 the offset of the section name in a string table, and build this
1032 (darwin_file_start): Initialize global vars for LTO support.
1033 (darwin_file_end): If output to asm_out_file was redirected, append it
1034 to the proper asm_out_file here. Add the section names section.
1036 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1038 * c-pragma.c (pending_weak_d, pending_weak): New.
1039 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1040 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1041 handle_pragma_weak): Update the uses of pending_weaks.
1043 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1045 PR documentation/44016
1046 * doc/standards.texi (Standards): Link to unversioned
1047 cxx0x_status.html page.
1049 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
1052 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1053 in addition to TREE_USED, to avoid "set but unused" warnings.
1055 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1057 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1058 (is_loop_prefetching_profitable): Do not insert prefetches
1059 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1060 times the prefetch ahead distance.
1062 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1064 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1065 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1066 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1069 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1071 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1072 a diagnostic info when the insn-to-mem ratio is too small.
1074 2010-05-07 Richard Guenther <rguenther@suse.de>
1076 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1078 (store_arg): Queue temp_filename for deletion instead of
1081 2010-05-07 Richard Guenther <rguenther@suse.de>
1083 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1084 (run_gcc): Handle LTRANS phase invocation.
1085 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1087 2010-05-07 Jakub Jelinek <jakub@redhat.com>
1089 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1090 this is also meaningful on PARM_DECLs and RESULT_DECLs.
1092 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1094 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1096 2010-05-07 Richard Guenther <rguenther@suse.de>
1098 PR tree-optimization/44020
1099 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1100 code when PRE is not yet initialized.
1102 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1104 * config/mips/dbxmdebug.h: Remove.
1105 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1107 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
1109 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1110 with null pointer and also warn about ordered comparison of zero with
1113 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1115 * graphite-blocking.c
1116 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1117 * graphite-clast-to-gimple.c
1118 (clast_to_gcc_expression): Same.
1119 (precision_for_value): Same.
1120 (precision_for_interval): Same.
1121 (gcc_type_for_interval): Same.
1122 (graphite_create_new_guard): Same.
1123 (compute_bounds_for_level): Same.
1124 (graphite_create_new_loop_guard): Same.
1125 * graphite-interchange.c
1126 (build_linearized_memory_access): Same.
1127 (pdr_stride_in_loop): Same.
1128 (memory_strides_in_loop_1): Same.
1129 (memory_strides_in_loop): Same.
1130 (extend_scattering): Same.
1131 (psct_scattering_dim_for_loop_depth): Same.
1132 (pbb_number_of_iterations): Same.
1134 (debug_iteration_domains): Same.
1136 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1137 (ppl_set_inhomogeneous_gmp): Same.
1138 (ppl_strip_loop): Same.
1139 (ppl_lexico_compare_linear_expressions): Same.
1140 (ppl_read_polyhedron_matrix): Same.
1141 (ppl_max_for_le_pointset): Same.
1143 (ppl_read_polyhedron_matrix): Same.
1144 (tree_int_to_gmp): Same.
1145 (gmp_cst_to_tree): Same.
1146 (ppl_set_inhomogeneous): Same.
1147 (ppl_set_inhomogeneous_tree): Same.
1148 (ppl_set_coef): Same.
1149 (ppl_set_coef_tree): Same.
1150 * graphite-sese-to-poly.c
1151 (build_pbb_scattering_polyhedrons): Same.
1152 (build_scop_scattering): Same.
1153 (scan_tree_for_params_right_scev): Same.
1154 (scan_tree_for_params): Same.
1155 (find_params_in_bb): Same.
1156 (find_scop_parameters): Same.
1157 (add_upper_bounds_from_estimated_nit): Same.
1158 (build_loop_iteration_domains): Same.
1159 (add_condition_to_domain): Same.
1160 (pdr_add_memory_accesses): Same.
1162 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1164 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1165 CLooG's value_* macros to their respective mpz_* counterparts.
1166 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1167 (graphite_create_new_loop_guard): Same.
1168 * graphite-interchange.c (build_linearized_memory_access): Same.
1169 (pdr_stride_in_loop): Same.
1170 (memory_strides_in_loop_1): Same.
1171 (1st_interchange_profitable_p): Same.
1172 * graphite-poly.c (extend_scattering): Same.
1173 (psct_scattering_dim_for_loop_depth): Same.
1174 (pbb_number_of_iterations): Same.
1175 (pbb_number_of_iterations_at_time): Same.
1176 * graphite-poly.h (new_1st_loop): Same.
1177 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1178 (oppose_constraint): Same.
1179 (insert_constraint_into_matrix): Same.
1180 (ppl_set_inhomogeneous_gmp): Same.
1181 (ppl_set_coef_gmp): Same.
1182 (ppl_strip_loop): Same.
1183 (ppl_lexico_compare_linear_expressions): Same.
1184 (ppl_max_for_le_pointset): Same.
1185 (ppl_min_for_le_pointset): Same.
1186 (ppl_build_realtion): Same.
1187 * graphite-ppl.h (gmp_cst_to_tree): Same.
1188 (ppl_set_inhomogeneous): Same.
1189 (ppl_set_inhomogeneous_tree): Same.
1190 (ppl_set_coef): Same.
1191 (ppl_set_coef_tree): Same.
1192 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1193 (build_scop_scattering): Same.
1194 (add_value_to_dim): Same.
1195 (scan_tree_for_params_right_scev): Same.
1196 (scan_tree_for_params_int): Same.
1197 (scan_tree_for_params): Same.
1198 (find_params_in_bb): Same.
1199 (find_scop_parameters): Same.
1200 (add_upper_bounds_from_estimated_nit): Same.
1201 (build_loop_iteration_domains): Same.
1202 (create_linear_expr_from_tree): Same.
1203 (add_condition_to_domain): Same.
1204 (pdr_add_memory_accesses): Same.
1206 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
1207 Jason Merrill <jason@redhat.com>
1209 * c-common.c (c_common_reswords): Add nullptr.
1210 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
1211 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1212 (gen_type_die_with_usage): Likewise.
1213 * dbxout.c (dbxout_type): Likewise.
1214 * sdbout.c (plain_type_1): Likewise.
1216 2010-05-06 Jason Merrill <jason@redhat.com>
1218 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1219 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
1221 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1223 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1224 stripping WITH_SIZE_EXPR.
1225 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1228 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1230 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1231 list of obsolete configurations.
1232 Disabled check for obsolete configurations.
1233 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1234 Removed support for previous versions.
1235 * config/mips/iris.h: Removed.
1236 * config/mips/iris5.h: Removed.
1237 * config/mips/iris6.h: Merged old iris.h contents.
1238 (TARGET_IRIX): Removed.
1239 (DRIVER_SELF_SPECS): Removed mabi=32.
1240 (IDENT_ASM_OP): Removed undef.
1241 (STARTFILE_SPEC): Removed mabi=32.
1242 (ENDFILE_SPEC): Likewise.
1243 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1244 (MACHINE_TYPE): Update for IRIX 6.5.
1245 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1246 TARGET_IRIX by TARGET_IRIX6.
1247 (mips_file_start): Likewise.
1248 (mips_output_external): Remove IRIX 5/6 O32 support.
1249 (mips_output_function_prologue): Likewise.
1250 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1252 (TARGET_CPU_CPP_BUILTINS): Likewise.
1253 (TARGET_IRIX): Removed.
1254 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1255 (MULTILIB_DIRNAMES): Removed 32.
1256 (MULTILIB_OSDIRNAMES): Removed ../lib.
1257 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1258 (Specific, mips-sgi-irix5): Document removal.
1259 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1260 Remove references to older IRIX 6 releases and the O32 ABI.
1262 2010-05-06 Jakub Jelinek <jakub@redhat.com>
1265 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1266 instead of DF_REF_REAL_REG.
1268 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
1271 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1272 handling to still return true for x64 targets.
1274 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1276 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1278 2010-05-06 Jan Hubicka <jh@suse.cz>
1280 PR tree-optimization/43791
1281 * ipa-inline.c (update_caller_keys): Remove bogus
1282 disregard_inline_limits check.
1284 2010-05-06 Michael Matz <matz@suse.de>
1286 PR tree-optimization/43984
1287 * tree-ssa-pre.c (inserted_phi_names): Remove.
1288 (inserted_exprs): Change to bitmap.
1289 (create_expression_by_pieces): Set bits, don't append to vector.
1290 (insert_into_preds_of_block): Don't handle inserted_phi_names.
1291 (eliminate): Don't look at inserted_phi_names, remove deleted
1292 insns from inserted_exprs.
1293 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1294 (init_pre, fini_pre): Allocate and free bitmaps.
1295 (execute_pre): Insert insns on edges before elimination.
1297 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1299 * tree.c (initializer_zerop): Handle STRING_CST.
1301 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
1304 * doc/invoke.texi (Wimplicit): Document as C only.
1305 * opts.c (common_handle_option): Add argument kind.
1306 (handle_option): Rename as read_cmdline_option. Factor out code to...
1307 (handle_option): ... here. New.
1308 (handle_options): Rename as read_cmdline_options.
1309 (decode_options): Update call.
1310 (set_option): Use option index instead of option pointer. Classify
1311 diagnostics correctly.
1312 (enable_warning_as_error): Call handle_option.
1313 * opts.h (set_option): Update declaration.
1314 (handle_option): Declare.
1315 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1316 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1317 * c-opts.c (set_Wimplicit): Delete.
1318 (c_family_lang_mask): New static constant.
1319 (c_common_handle_option): Add argument kind. Use handle_option
1320 instead of set_Wimplicit.
1321 (c_common_post_options): warn_implicit and warn_implicit_int
1322 are disabled by default.
1323 * c-common.c (warn_implicit): Do not define here.
1324 * c-common.h (warn_implicit): Do not declare here.
1325 (c_common_handle_option): Update declaration.
1326 * lto-opts.c (lto_reissue_options): Update call to set_option.
1328 2010-05-06 Richard Guenther <rguenther@suse.de>
1330 PR tree-optimization/43571
1331 * domwalk.c (walk_dominator_tree): Walk the dominator
1332 sons in more optimal order.
1334 2010-05-06 Richard Guenther <rguenther@suse.de>
1336 PR tree-optimization/43934
1337 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1338 (stmt_cost): Likewise.
1339 (extract_true_false_args_from_phi): New helper.
1340 (determine_max_movement): For PHI nodes verify we can hoist them
1341 and compute their cost.
1342 (determine_invariantness_stmt): Handle PHI nodes.
1343 (move_computations_stmt): Likewise. Hoist PHI nodes in
1344 if-converted form using COND_EXPRs.
1345 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1346 (tree_ssa_lim): Likewise.
1347 * tree-flow.h (tree_ssa_lim): Adjust prototype.
1348 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1350 2010-05-06 Richard Guenther <rguenther@suse.de>
1352 PR tree-optimization/43987
1353 * tree-ssa-structalias.c (could_have_pointers): For possibly
1354 address-taken variables force pointers to be recorded.
1355 (create_variable_info_for_1): Likewise.
1356 (push_fields_onto_fieldstack): Pass in wheter all fields
1358 (find_func_aliases): Query types instead of vars whether
1359 they contain pointers where appropriate.
1361 2010-05-06 Jan Hubicka <jh@suse.cz>
1363 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1364 (record_reference, mark_address, mark_load, mark_store): Record
1366 (record_references_in_initializer): Update call of record_references.
1367 (rebuild_cgraph_edges): Remove all references before rebuiding.
1368 * cgraph.c (cgraph_create_node): Clear ref list.
1369 (cgraph_remove_node): Remove references.
1370 (dump_cgraph_node): Dump references.
1371 (cgraph_clone_node): Clone references.
1372 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1373 (struct cgraph_node, varpool_node): Add ref_lst.
1374 * ipa-ref.c: New file.
1375 * ipa-ref.h: New file.
1376 * ipa-ref-inline.h: New file.
1377 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1378 (referenced_from_other_partition_p): New function.
1379 (lto_output_varpool_node): Take set arugment; call
1380 referenced_from_other_partition.
1381 (lto_output_ref): New.
1382 (add_references): New.
1384 (output_cgraph): Compute boundary based on references; output refs.
1385 (output_varpool): Accept cgraph_node_set argument.
1388 (input_cgraph): Call input_refs.
1389 * lto-section-in.c (lto_section_name): Add refs.
1390 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1391 (ipa-ref.o): New file.
1392 * varpool.c (varpool_node): Clear ipa ref list.
1393 (varpool_remove_node): Remove references.
1394 (dump_varpool_node): Dump references.
1395 (varpool_assemble_decl): Only compile finalized ones.
1396 (varpool_extra_name_alias): Initialize ref list.
1397 * lto-streamer.c (lto-get_section_name): Add .refs section.
1398 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1399 (referenced_from_other_partition_p): Declared.
1401 2010-05-06 Ira Rosen <irar@il.ibm.com>
1403 PR tree-optimization/43901
1404 * tree-vect-stmts.c (vectorizable_call): Assert that vector
1405 type is not NULL if it's transformation phase, and return
1406 FALSE if it's analysis.
1407 (vectorizable_conversion, vectorizable_operation,
1408 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1410 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
1412 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1414 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1416 * config/mips/mips-protos.h
1417 (mips_small_register_classes_for_mode_p): Delete prototype.
1419 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
1421 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1422 * config/arm/arm.c (multiple_operation_profitable_p,
1423 compute_offset_order): New static functions.
1424 (load_multiple_sequence, store_multiple_sequence): Use them.
1425 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
1426 memory offsets, not register numbers.
1427 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1429 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
1431 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1432 (get_pending_sizes, put_pending_size, put_pending_sizes):
1433 Update the uses of pending_sizes.
1434 * c-decl.c (store_parm_decls): Likewise.
1435 * c-tree.h (struct c_arg_info): Likewise.
1436 * tree.h: Update the prototype for get_pending_sizes and
1439 2010-05-05 Jason Merrill <jason@redhat.com>
1442 * c-common.c (handle_aligned_attribute): Respect
1443 ATTR_FLAG_TYPE_IN_PLACE.
1446 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1447 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1448 (TARGET_INITIALIZER): Use it.
1449 * c-common.c (attribute_takes_identifier_p): Call it.
1450 * c-common.h: Update prototype.
1451 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1452 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1454 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1457 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1458 DW_ID_down_case for Fortran compilation units.
1460 2010-05-05 Jan Hubicka <jh@suse.cz>
1462 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1465 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
1467 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1468 a variable-sized RESULT_DECL.
1470 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
1472 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1474 2010-05-05 Jason Merrill <jason@redhat.com>
1477 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1479 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1481 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
1482 Jakub Jelinek <jakub@redhat.com>
1485 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1486 (dead_debug_init, dead_debug_finish): New functions.
1487 (dead_debug_add, dead_debug_insert_before): Likewise.
1488 (df_note_bb_compute): Initialize a dead_debug object, add dead
1489 debug uses to it, insert debug bind insns before death insns,
1490 reset debug insns that refer to pending uses at the end.
1491 * rtl.h (make_debug_expr_from_rtl): New prototype.
1492 * varasm.c (make_debug_expr_from_rtl): New function.
1494 2010-05-05 Jan Hubicka <jh@suse.cz>
1496 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1497 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1498 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1499 lto_varpool_encoder_deref, lto_varpool_encoder_size,
1500 lto_varpool_encoder_encode_initializer_p,
1501 lto_set_varpool_encoder_encode_initializer): New functions.
1502 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1503 call output_varpool.
1504 (input_varpool_node): Do not always set analyzed.
1505 (input_cgraph_1): Return vector of cgraph nodes.
1506 (input_varpool_1): Return vector of varpools.
1507 (input_cgraph): Free the vectors.
1508 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1509 output only initializers needed.
1510 (lto_output): Only call output_cgraph.
1511 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1512 * lto-section-out.c (lto_new_out_decl_state): Initialize
1513 state->varpool_node_encoder.
1514 * lto-streamer.h (lto_varpool_encoder_d): New.
1515 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1516 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1517 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1518 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1519 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1521 (output_varpool, input_varpool): Remove declarations.
1523 2010-05-05 Jan Hubicka <jh@suse.cz>
1525 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1526 with body can prevail.
1528 2010-05-05 Jan Hubicka <jh@suse.cz>
1530 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1533 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1535 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1537 * gengtype.h (erro_at_line): Constify pos argument.
1539 * gengtype.c: Include hashtab.h.
1540 (enum gc_used): Document GC_MAYBE_POINTED_TO.
1541 (error_at_line): Constify pos argument.
1542 (do_typedef): Initialize p->opt field.
1543 (get_file_gtfilename): Fix comment typo.
1544 (struct walk_type_data): Constify line field.
1545 (get_output_file_for_structure): New function.
1546 (write_local_func_for_structure): Constify orig_s argument.
1547 Use get_output_file_for_structure.
1548 (write_func_for_structure): Use get_output_file_for_structure.
1549 (INDENT): New define.
1550 (dump_pair, dump_type, dump_type_list, dump_typekind)
1551 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1552 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1554 (seen_types): New variable.
1555 (main): New variable do_dump. Process "-d" command line option.
1556 Call dump_everything if dump requested.
1558 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1560 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1561 in a temporary instead of invoking the macro multiple times.
1562 (track_expr_p): Likewise.
1564 2010-05-04 Neil Vachharajani <nvachhar@google.com>
1566 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1568 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1569 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
1570 conditions for printing notes.
1571 * common.opt (-Wcoverage-mismatch): Allow negative, default to
1572 true, update documentation.
1573 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1575 2010-05-04 Jakub Jelinek <jakub@redhat.com>
1578 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1581 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1584 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1585 (*sse_prologue_save_insn1): Likewise.
1586 (SSE prologue save splitter): Likewise.
1588 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
1590 * tree.c (free_lang_data_in_one_sizepos): New inline function.
1591 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1592 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1593 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1594 all decls. Call it on DECL_FIELD_OFFSET of fields.
1595 (find_decls_types_r): Follow DECL_VALUE_EXPR.
1596 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1598 2010-05-04 Martin Jambor <mjambor@suse.cz>
1600 * tree-sra.c (build_access_from_expr_1): The first parameter type
1601 changed to simple tree.
1602 (build_access_from_expr): Likewise, gsi parameter was eliminated.
1603 (scan_assign_result): Renamed to assignment_mod_result, enum elements
1605 (build_accesses_from_assign): Removed all parameters except for a
1606 simple gimple statement. Now returns a simple bool.
1607 (scan_function): All non-analysis parts moved to separate functions
1608 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
1609 parameters and updated both callers.
1610 (sra_modify_expr): Removed parameter data.
1611 (sra_modify_function_body): New function.
1612 (perform_intra_sra): Call sra_modify_function_body to modify the
1614 (replace_removed_params_ssa_names): Parameter data changed into
1616 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
1617 changed the parameter dont_convert to convert with the opposite
1619 (sra_ipa_modify_assign): Parameter data changed into adjustments
1620 vector, return value changed to bool.
1621 (ipa_sra_modify_function_body): New function.
1622 (sra_ipa_reset_debug_stmts): Updated a comment.
1623 (modify_function): Use ipa_sra_modify_function_body to modify function
1626 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1629 * alias.c (true_dependence): Handle the same VALUE in x and mem.
1630 (canon_true_dependence): Likewise.
1631 (write_dependence_p): Likewise.
1633 2010-05-04 Jan Hubicka <jh@suse.cz>
1635 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1636 * cgraphbuild.c: Include ipa-utils.h
1637 (record_reference_ctx): New struct.
1638 (record_reference): Simplify to work on initializers; not statements.
1639 (mark_address, mark_load, mark_store): New.
1640 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1642 (record_references_in_initializer): Update use of record_reference.
1643 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1646 2010-05-04 Jan Hubicka <jh@suse.cz>
1648 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1649 node will be removed anyway.
1650 (lto_varpool_replace_node): Allow also unanalyzed nodes;
1651 relink aliases of node into prevailing node.
1652 * varpool.c (varpool_remove_node): Remove aliases properly;
1653 when removing node, remove all its aliases too; remove DECL_INITIAL
1654 of removed node; ggc_free the varpool node.
1656 2010-05-04 Richard Guenther <rguenther@suse.de>
1658 PR tree-optimization/43879
1659 * tree-ssa-structalias.c (alias_get_name): Use
1660 DECL_ASSEMBLER_NAME if available.
1661 (create_function_info_for): Return the varinfo node.
1662 (ipa_pta_execute): Associate same-body aliases and extra names
1663 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
1665 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
1667 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1669 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
1672 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1673 only if HONOR_REG_ALLOC_ORDER is not defined.
1675 2010-05-04 Richard Guenther <rguenther@suse.de>
1677 PR tree-optimization/43949
1678 * tree-vrp.c (extract_range_from_binary_expr): Only handle
1681 2010-04-26 Jason Merrill <jason@redhat.com>
1683 * c.opt (-fstrict-enums): New.
1684 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1686 2010-05-03 David Ung <davidu@mips.com>
1687 James E. Wilson <wilson@codesourcery.com>
1689 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1690 emit the trap instruction before the divide for TUNE_74K.
1692 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
1694 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1695 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1696 based on the above, for new target hook.
1698 * hooks.c (hook_bool_mode_true): New generic hook.
1699 * hooks.h (hook_bool_mode_true): Add prototype.
1701 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1703 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1704 target hook, set to hook_bool_mode_false.
1705 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1706 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1707 with targetm.small_register_classes_for_mode_p.
1708 (find_reusable_reload): Likewise.
1709 (combine_reloads): Likewise.
1710 * reload1.c (reload_as_needed): Likewise.
1711 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1712 * ifcvt.c (noce_process_if_block, check_cond_move_block,
1713 dead_or_predicable): Likewise.
1714 * regmove.c (optimize_reg_copy_1): Likewise.
1715 * calls.c (prepare_call_address): Likewise.
1716 (precompute_register_parameters): Likewise.
1718 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1720 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1721 implementation of the hook that considers all register classes
1722 small except for SH64.
1723 (sh_override_options): Use the new hook.
1724 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1727 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1729 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1730 implementation of the hook that considers all register classes
1732 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1735 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1737 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1738 implementation of the hook that considers all register classes
1740 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1743 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1745 * config/m32c/m32c.h: Likewise.
1746 * config/pdp11/pdp11.h: Likewise.
1747 * config/avr/avr.h: Likewise.
1748 * config/xtensa/xtensa.h: Likewise.
1749 * config/m68hc11/m68hc11.h: Likewise.
1750 * config/mn10300/mn10300.h: Likewise.
1751 * config/mcore/mcore.h: Likewise.
1752 * config/h8300/h8300.h: Likewise.
1753 * config/bfin/bfin.h: Likewise.
1755 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1756 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1758 2010-05-03 Anatoly Sokolov <aesok@post.ru>
1760 * double-int.h (tree_to_double_int): Remove macro.
1761 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1762 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1763 (tree_to_double_int): New function.
1764 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1766 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1768 2010-05-03 Richard Guenther <rguenther@suse.de>
1770 PR tree-optimization/43971
1771 * tree-ssa-structalias.c (get_constraint_for_1): Fix
1772 constraints in the !flag_delete_null_pointer_checks case.
1774 2010-05-03 Jakub Jelinek <jakub@redhat.com>
1777 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1778 result mode matches original rtl mode.
1780 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
1783 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1785 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1787 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1788 when processing flag options.
1790 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1792 * gcov-iov.c (main): Change format string placeholder
1793 from %#08x to 0x%08x.
1794 * genchecksum.c (dosum): Change format string placeholder
1795 from %#02x to 0x%02x.
1797 2010-05-02 Richard Guenther <rguenther@suse.de>
1799 PR tree-optimization/43879
1800 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1802 2010-05-02 Bruno Haible <bruno@clisp.org>
1804 * doc/extend.texi (Function Attributes): Fix a typo.
1806 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1809 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1810 placeholder from 0x%x to %#x.
1811 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1812 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1813 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1814 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1815 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1816 * config/i386/i386.c (ix86_target_string): Ditto.
1817 * config/i386/i386.c (output_pic_addr_const): Ditto.
1818 (print_operand): Ditto.
1820 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1822 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1823 placeholder from 0x%x to %#x.
1824 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1825 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1826 (ASM_OUTPUT_DEBUG_DATA): Ditto.
1827 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1828 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1829 * optc-gen.awk: Ditto.
1830 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1831 (HOST_WIDE_INT_PRINT_HEX): Ditto.
1832 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1833 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1835 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1837 * target.h (struct calls): Add function_value_regno_p field.
1838 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1839 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1840 * targhooks.c (default_function_value_regno_p): New function.
1841 * targhooks.h (default_function_value_regno_p): Declare function.
1842 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1843 * builtins.c. (apply_result_size): (Ditto.).
1844 * combine.c. (likely_spilled_retval_p): (Ditto.).
1845 * mode-switching.c. Include 'target.h'.
1846 (create_pre_exit): Use function_value_regno_p hook.
1847 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1848 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1849 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1851 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1852 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1853 (ix86_function_value_regno_p): Declare as static, change argument
1854 type to const unsigned int.
1855 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1857 2010-05-01 Richard Guenther <rguenther@suse.de>
1859 PR tree-optimization/43949
1860 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1862 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1864 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1866 * rtl.h (CONST_DOUBLE_P): Define.
1867 (rtx_to_double_int): Declare.
1868 * emit-rtl.c (rtx_to_double_int): New function.
1869 * dwarf2out.c (insert_double): New function.
1870 (loc_descriptor, add_const_value_attribute): Clean up, use
1871 rtx_to_double_int and insert_double functions.
1873 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
1875 * doc/extend.texi (Inline): Add missing return keyword to examples.
1876 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1879 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
1881 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1882 the variable part of the offset as well. Use highest_pow2_factor for
1883 all alignment checks.
1885 2010-04-30 Richard Guenther <rguenther@suse.de>
1887 PR tree-optimization/43879
1888 * tree-ssa-structalias.c (type_could_have_pointers): Functions
1891 2010-04-30 Jan Hubicka <jh@suse.cz>
1893 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1895 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1897 2010-04-30 Jan Hubicka <jh@suse.cz>
1899 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1901 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1902 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1903 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1904 cgraph_node_set_needs_ltrans_p): Remove.
1906 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1908 * sdbout.c: Include vec.h, do not include varray.h.
1909 (deferred_global_decls, sdbout_global_decl,
1910 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1911 * toplev.c: Do not include varray.h.
1912 (dump_memory_report): Do not dump VARRAY statistics.
1913 * gengtype.c (open_base_file): Ignore varray.h.
1914 * Makefile.in: Update for abovementioned changes.
1915 Remove all traces of varray.c and varray.h.
1916 * varray.c: Remove file.
1917 * varray.h: Remove file.
1919 2010-04-30 Jan Hubicka <jh@suse.cz>
1921 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1924 2010-04-30 Jan Hubicka <jh@suse.cz>
1926 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1929 2010-04-30 Richard Guenther <rguenther@suse.de>
1931 * tree-ssa-structalias.c (get_constraint_for_1): Generate
1932 constraints for CONSTRUCTOR.
1934 2010-04-30 Richard Guenther <rguenther@suse.de>
1937 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1938 first after all lowering passes.
1940 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1942 * toplev.c: Include varray.h for statistics dumping.
1943 * tree.h: Do not declare varray_head_tag.
1944 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1945 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1946 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1947 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1948 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1949 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1950 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1951 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1953 * Makefile.in: Update for abovementioned changes.
1955 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1958 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1960 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1962 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1963 Use this function to do machine-specific conversion.
1964 (picochip_legitimize_reload_address): Likewise.
1965 (picochip_legitimate_address_p): Check valid base register only if
1967 (picochip_check_conditional_copy): Check for modw only if opnd is
1969 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1970 to call the function in c.
1971 * config/picochip/picochip-protos.h
1972 (picochip_legitimize_reload_address): Define.
1973 * config/picochip/picochip.md (supported_compare1): Define.
1975 2010-04-30 Jan Hubicka <jh@suse.cz>
1977 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1978 (cgraph_global_info): Remove inlined.
1979 (LTO_cgraph_tag_names): Remove.
1980 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1981 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1982 simplify cgraph tags and document.
1983 (lto_output_node): Use only LTO_cgraph_unavail_node and
1984 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1985 for_functions_valid, global info, process and output flags.
1986 (input_overwrite_node): Initialize estimated stack size and
1987 estimated growth. Do not read flags we no longer store.
1988 (input_node): Likewise do not read info no longer stored.
1989 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1992 2010-04-30 Richard Guenther <rguenther@suse.de>
1994 PR tree-optimization/43879
1995 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1996 handle non-zero initializers.
1998 2010-04-30 Richard Guenther <rguenther@suse.de>
2000 * builtins.c (fold_builtin_1): Delete free (0).
2002 2010-04-29 Jan Hubicka <jh@suse.cz>
2004 * gengtype.c (open_base_files): Add lto-streamer.h
2005 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2006 (pass_ipa_cp): GGC collect.
2007 * toplev. (compile_file): Do not output symbols.
2008 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2009 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2010 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2011 * lto-section-in.c: Include ggc.h
2012 (lto_new_in_decl_state): Alloc in GGC.
2013 (lto_delete_in_decl_state): Likewise.
2014 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2017 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2020 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2021 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
2022 (HONOR_REG_ALLOC_ORDER): Describe new macro.
2023 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2024 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2025 account only if HONOR_REG_ALLOC_ORDER is not defined.
2026 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2027 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2029 2010-04-29 Jon Grant <04@jguk.org>
2031 * collect2.c (vflag): Change type from int to bool.
2033 (helpflag): New global bool.
2034 (main): Set vflag and debug with boolean, not integer truth values.
2035 Accept new "--help" option and output usage text if found.
2036 * collect2.h (vflag): Update prototype.
2039 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2042 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2044 2010-04-29 Richard Guenther <rguenther@suse.de>
2047 * plugin.h (invoke_plugin_callbacks): Annotate arguments
2048 with ATTRIBUTE_UNUSED.
2050 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2053 * config/i386/i386.c (get_some_local_dynamic_name): Replace
2054 INSN_P with NONDEBUG_INSN_P.
2055 (distance_non_agu_define): Likewise.
2056 (distance_agu_use): Likewise.
2058 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2060 From Dominique d'Humieres <dominiq@lps.ens.fr>
2062 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2065 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
2067 * plugin.h (invoke_plugin_callbacks): New inline function.
2068 * plugin.c (flag_plugin_added): New global flag.
2069 (add_new_plugin): Initialize above flag.
2070 (invoke_plugin_callbacks): Rename to ...
2071 (invoke_plugin_callbacks_full): ... this.
2073 2010-04-28 Jan Hubicka <jh@suse.cz>
2075 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2076 (lto_varpool_replace_node): New.
2077 (lto_symtab_resolve_symbols): Resolve varpool nodes.
2078 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2079 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2080 * cgraph.h (varpool_node_ptr): New type.
2081 (varpool_node_ptr): New vector.
2082 (varpool_node_set_def): New structure.
2083 (varpool_node_set): New type.
2084 (varpool_node_set): New vector.
2085 (varpool_node_set_element_def): New structure.
2086 (varpool_node_set_element, const_varpool_node_set_element): New types.
2087 (varpool_node_set_iterator): New type.
2088 (varpool_node): Add prev pointers, add used_from_other_partition,
2090 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2091 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2092 varpool_get_node, varpool_remove_node): Declare.
2093 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2094 varpool_node_set_size): New inlines.
2095 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2096 * tree-pass.h (varpool_node_set_def): Forward declare.
2097 (ipa_opt_pass_d): Summary writting takes vnode sets too.
2098 (ipa_write_optimization_summaries): Update prototype.
2099 * ipa-cp.c (ipcp_write_summary): Update.
2100 * ipa-reference.c (ipa_reference_write_summary): Update.
2101 * lto-cgraph.c (lto_output_varpool_node): New static function.
2102 (output_varpool): New function.
2103 (input_varpool_node): New static function.
2104 (input_varpool_1): New function.
2105 (input_cgraph): Input varpool.
2106 * ipa-pure-const.c (pure_const_write_summary): Update.
2107 * lto-streamer-out.c (lto_output): Update, output varpool too.
2108 (write_global_stream): Kill WPA hack.
2109 (produce_asm_for_decls): Update.
2110 (output_alias_pair_p): Handle variables.
2111 (output_unreferenced_globals): Output only needed partition of varpool.
2112 * ipa-inline.c (inline_write_summary): Update.
2113 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2115 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2116 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2117 varpool_node_set_new, varpool_node_set_add,
2118 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2119 debug_varpool_node_set): New functions.
2120 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2121 (execute_one_pass): Process new decls too.
2122 (ipa_write_summaries_2): Pass around vsets.
2123 (ipa_write_summaries_1): Likewise.
2124 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2126 (ipa_write_optimization_summaries_1): Pass around vsets.
2127 (ipa_write_optimization_summaries): Likewise.
2128 * varpool.c (varpool_get_node): New.
2129 (varpool_node): Update doubly linked lists.
2130 (varpool_remove_node): New.
2131 (dump_varpool_node): More dumping.
2132 (varpool_enqueue_needed_node): Update doubly linked lists.
2133 (decide_is_variable_needed): Kill ltrans hack.
2134 (varpool_finalize_decl): Kill lto hack.
2135 (varpool_assemble_decl): Skip decls in other partitions.
2136 (varpool_assemble_pending_decls): Update doubly linkes lists.
2137 (varpool_empty_needed_queue): Likewise.
2138 (varpool_extra_name_alias): Likewise.
2139 * lto-streamer.c (lto_get_section_name): Add vars section.
2140 * lto-streamer.h (lto_section_type): Update.
2141 (output_varpool, input_varpool): Declare.
2143 2010-04-28 Mike Stump <mikestump@comcast.net>
2145 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2147 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2149 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2150 record or union type with RECORD_OR_UNION_TYPE_P predicate.
2151 (lto_input_ts_type_tree_pointers): Likewise.
2152 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2153 (lto_output_ts_type_tree_pointers): Likewise.
2155 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2157 Uniquization of constants at the Tree level
2158 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2159 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2161 (tree_output_constant_def): Declare.
2162 * gimplify.c (gimplify_init_constructor): When using block copy, first
2163 uniquize the constant constructor on the RHS.
2164 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2165 DECL_IN_CONSTANT_POOL flag.
2166 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2167 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2169 (assemble_variable): Deal with symbols belonging to the tree constant
2171 (get_constant_section): Add ALIGN parameter and simplify.
2172 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2173 (assemble_constant_contents): Use the expression of the VAR_DECL.
2174 (output_constant_def_contents): Use the alignment of the VAR_DECL.
2175 (tree_output_constant_def): New global function.
2176 (mark_constant): Use the expression of the VAR_DECL.
2177 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2179 (output_object_block): Likewise and assemble the expression.
2181 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2183 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2184 hash_tree, eq_tree): New tree hash table.
2185 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2186 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2187 lto_orig_address_remove): Reimplement.
2189 2010-04-28 Xinliang David Li <davidxl@google.com>
2192 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2193 (compute_uninit_opnds_pos): New function.
2194 (is_non_loop_exit_postdominating): New function.
2195 (compute_control_dep_chain): New function.
2196 (find_pdom): New function.
2197 (convert_control_dep_chain_into_preds): New function.
2198 (find_predicates): New function.
2199 (find_control_equiv_block): New function.
2200 (collect_phi_def_edges): New function.
2201 (find_def_preds): New function.
2202 (find_dom): New function.
2203 (dump_predicates): New function.
2204 (get_cmp_code): New function.
2205 (is_value_included_in): New function.
2206 (find_matching_predicate_in_rest_chains): New function.
2207 (use_pred_not_overlap_with_undef_path_pred): New function.
2208 (is_use_properly_guarded): New function.
2209 (normalize_cond_1): New function.
2210 (is_and_or_or): New function.
2211 (normalize_cond): New function.
2212 (is_gcond_subset_of): New function.
2213 (is_subset_of_any): New function.
2214 (is_or_set_subset_of): New function.
2215 (is_and_set_subset_of): New function.
2216 (is_norm_cond_subset_of): New function.
2217 (is_pred_expr_subset_of): New function.
2218 (is_pred_chain_subset_of): New function.
2219 (is_included_in): New function.
2220 (is_superset_of): New function.
2221 (find_uninit_use): New function.
2222 (warn_uninitialized_phi): New function.
2223 (compute_possibly_undefined_names): New function.
2224 (ssa_undefined_value_p): New function.
2225 (execute_late_warn_uninitialized): New function.
2226 * tree-ssa.c (ssa_undefined_value_p): Removed.
2227 (warn_uninit): Changed to extern.
2228 (warn_uninitialized_phi): Removed.
2229 (warn_uninitialized_vars): Changed to extern.
2230 (execute_late_warn_uninitialized): Removed
2231 * tree-flow.h: Add new prototypes.
2232 * timevar.def: Add new time variable.
2233 * Makefile.in: Add new build file.
2235 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
2237 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2240 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2243 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2245 2010-04-28 Martin Jambor <mjambor@suse.cz>
2247 * cgraph.h (struct cgraph_node): New field indirect_calls.
2248 (struct cgraph_indirect_call_info): New type.
2249 (struct cgraph_edge): Removed field indirect_call. New fields
2250 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2251 (cgraph_create_indirect_edge): Declare.
2252 (cgraph_make_edge_direct): Likewise.
2253 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2254 * ipa-prop.h (struct ipa_param_call_note): Removed.
2255 (struct ipa_node_params): Removed field param_calls.
2256 (ipa_create_all_structures_for_iinln): Declare.
2257 * cgraph.c: Described indirect edges and uids in initial comment.
2258 (cgraph_add_edge_to_call_site_hash): New function.
2259 (cgraph_edge): Search also among the indirect edges, use
2260 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2261 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2262 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2264 (initialize_inline_failed): Assign a reason to indirect edges.
2265 (cgraph_create_edge_1): New function.
2266 (cgraph_create_edge): Moved some functionality to
2267 cgraph_create_edge_1.
2268 (cgraph_create_indirect_edge): New function.
2269 (cgraph_edge_remove_callee): Add an assert checking for
2271 (cgraph_edge_remove_caller): Special-case indirect edges.
2272 (cgraph_remove_edge): Likewise.
2273 (cgraph_set_edge_callee): New function.
2274 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2275 (cgraph_make_edge_direct): New function.
2276 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2277 the declaration of the call statement matches.
2278 (cgraph_node_remove_callees): Special-case indirect edges.
2279 (cgraph_clone_edge): Likewise.
2280 (cgraph_clone_node): Clone also the indirect edges.
2281 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2282 indirect_call, dump count of indirect_calls edges.
2283 * ipa-prop.c (iinlining_processed_edges): New variable.
2284 (ipa_note_param_call): Create indirect edges instead of
2285 creating notes. New parameter node.
2286 (ipa_analyze_call_uses): New parameter node, pass it on to
2287 ipa_note_param_call.
2288 (ipa_analyze_stmt_uses): Likewise.
2289 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2290 (print_edge_addition_message): Work on edges rather than on notes.
2291 (update_call_notes_after_inlining): Likewise, renamed to
2292 update_indirect_edges_after_inlining.
2293 (ipa_create_all_structures_for_iinln): New function.
2294 (ipa_free_node_params_substructures): Do not free notes.
2295 (ipa_edge_duplication_hook): Propagate bits within
2296 iinlining_processed_edges bitmap.
2297 (ipa_node_duplication_hook): Do not duplicate notes.
2298 (free_all_ipa_structures_after_ipa_cp): Renamed to
2299 ipa_free_all_structures_after_ipa_cp.
2300 (free_all_ipa_structures_after_iinln): Renamed to
2301 ipa_free_all_structures_after_iinln.
2302 (ipa_write_param_call_note): Removed.
2303 (ipa_read_param_call_note): Removed.
2304 (ipa_write_indirect_edge_info): New function.
2305 (ipa_read_indirect_edge_info): Likewise.
2306 (ipa_write_node_info): Do not stream notes, do stream information
2308 (ipa_read_node_info): Likewise.
2309 (lto_ipa_fixup_call_notes): Removed.
2310 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2311 * ipa-inline.c (pass_ipa_inline): Likewise.
2312 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2313 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2314 * tree-inline.c (copy_bb): Removed an unnecessary double check for
2316 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2318 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2319 (output_cgraph): Stream also indirect edges.
2320 (lto_output_edge): Added capability to stream indirect edges.
2321 (input_edge): Likewise.
2322 (input_cgraph_1): Likewise.
2323 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2326 2010-04-28 Richard Guenther <rguenther@suse.de>
2328 PR tree-optimization/43879
2329 PR tree-optimization/43909
2330 * tree-ssa-structalias.c (struct variable_info): Add
2331 only_restrict_pointers flag.
2332 (new_var_info): Initialize it. Increment stats.total_vars here.
2333 (create_function_info_for): Do not increment stats.total_vars here.
2334 (get_function_part_constraint): Fix build with C++.
2335 (insert_into_field_list): Remove.
2336 (push_fields_onto_fieldstack): Properly merge fields.
2337 (create_variable_info_for): Split and simplify.
2338 (create_variable_info_for_1): New piece.
2339 (intra_create_variable_infos): Properly make restrict constraints
2342 2010-04-28 Richard Guenther <rguenther@suse.de>
2345 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2347 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
2348 Jan Hubicka <hubicka@ucw.cz>
2350 * doc/invoke.texi (-Wsuggest-attribute=const,
2351 -Wsuggest-attribute=pure): Document.
2352 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2353 (function_always_visible_to_compiler_p,
2354 suggest_attribute, warn_function_pure, warn_function_const):
2356 (check_call): Improve debug info.
2357 (analyze_function): Do not check availability.
2358 (add_new_function): Check availability.
2359 (propagate): Output warnings.
2360 (skip_function_for_local_pure_const): New function.
2361 (local_pure_const): Use it; output warnings.
2362 * common.opt (Wsuggest-attribute=const,
2363 Wsuggest-attribute=pure): New.
2365 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2367 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2368 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2369 or DW_CFA_def_cfa_offset{,_sf}.
2371 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2373 * tree.h: Fix truncated long macros.
2375 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
2377 * collect2.c (TARGET_64BIT): Redefine to target's default.
2378 * tlink.c: Likewise.
2379 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2380 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2381 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2382 for underscoring __USER_LABEL_PREFIX__.
2383 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2384 (SUB_LINK_ENTRY32): New.
2385 (SUB_LINK_ENTRY64): New.
2386 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2387 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2388 (SUB_LINK_ENTRY64): New.
2389 (SUB_LINK_ENTRY): New.
2390 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2391 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2392 x64 target is choosen.
2393 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2394 * configure: Regenerated.
2395 * configure.ac (leading-mingw64-underscores): Option added.
2397 2010-04-27 Jan Hubicka <jh@suse.cz>
2399 * doc/invoke.texi (-fipa-profile): Document.
2400 * opts.c (decode_options): Enable ipa-profile at -O1.
2401 * timevar.def (TV_IPA_PROFILE): Define.
2402 * common.opt (fipa-profile): Add.
2403 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2405 (cgraph_propagate_frequency): Handle only local ones.
2406 * tree-pass.h (pass_ipa_profile): Declare.
2407 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2408 (pass_ipa_profile): Use TV_IPA_PROFILE.
2409 * ipa.c (ipa_profile): New function.
2410 (gate_ipa_profile): Likewise.
2411 (pass_ipa_profile): New global variable.
2412 * passes.c (pass_ipa_profile): New.
2414 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
2416 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2418 2010-04-27 Martin Jambor <mjambor@suse.cz>
2421 * ipa.c (dissolve_same_comdat_group_list): New function.
2422 (function_and_variable_visibility): Call
2423 dissolve_same_comdat_group_list when comdat group contains external or
2425 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2426 lists are circular and that they contain only DECL_ONE_ONLY nodes.
2428 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2430 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2431 (const_hash_1) <VECTOR_CST>: New case.
2432 (compare_constant) <VECTOR_CST>: Likewise.
2433 <ADDR_EXPR>: Deal with LABEL_REFs.
2434 (copy_constant) <VECTOR_CST>: New case.
2436 2010-04-27 Jan Hubicka <jh@suse.cz>
2438 * cgraph.c (cgraph_propagate_frequency): New function.
2439 * cgraph.h (cgraph_propagate_frequency): Declare.
2440 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2441 cgraph_propagate_frequency.
2443 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2445 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2447 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
2450 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2451 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2452 here to determine which regs to push and how much stack to reserve.
2454 2010-04-27 Jie Zhang <jie@codesourcery.com>
2456 * doc/gimple.texi (gimple_statement_with_ops): Remove
2457 addresses_taken field.
2458 (gimple_statement_with_memory_ops): Likewise.
2460 2010-04-27 Jan Hubicka <jh@suse.cz>
2462 * tree-inline.c (eni_inlining_weights): Remove.
2463 (estimate_num_insns): Special case more builtins.
2465 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
2468 * c-typeck.c (build_binary_op): Move forward check for comparison
2469 pointer with null pointer constant and adjust the diagnostic message.
2471 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
2474 * configure.ac (gcc_cv_as_section_has_align): Set if installed
2475 binutils supports extended .section directive needed by LTO, or
2476 warn if older binutils found.
2477 (LTO_BINARY_READER): New AC_SUBST'd variable.
2478 (LTO_USE_LIBELF): Likewise.
2479 * gcc/config.gcc (lto_binary_reader): New target-specific configure
2481 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2482 (LTO_USE_LIBELF): Likewise.
2483 * configure: Regenerate.
2485 * collect2.c (is_elf): Rename from this ...
2486 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2487 object files in addition to ELF-formatted ones.
2488 (scan_prog_file): Caller updated. Also allow for LTO info marker
2489 symbol to be prefixed or not by an extra underscore.
2491 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2492 * config/i386/winnt.c: Also #include lto-streamer.h
2493 (i386_pe_asm_named_section): Specify 1-byte section alignment for
2495 (i386_pe_asm_output_aligned_decl_common): Add comment.
2496 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2498 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
2501 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2502 Add missing earlyclobber for second alternative.
2504 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
2506 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2507 bits for artificial defs at the top of the block.
2508 * fwprop.c (single_def_use_enter_block): Don't call it.
2510 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
2513 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2514 instead of "$gcc_cv_objdump -T".
2515 Use "-undefined dynamic_lookup" on darwin.
2516 * gcc/configure: Regenerate.
2518 2010-04-26 Jakub Jelinek <jakub@redhat.com>
2521 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2523 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2525 * c-parser.c (struct c_token): Move location field up.
2526 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2527 (struct c_declspecs): Convert typespec_word, storage_class, and
2528 default_int_p into bitfields.
2529 (struct c_declarator): Move loc field up.
2531 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2533 * cfgloop.h (struct loop): Move can_be_parallel field up.
2534 * ipa-prop.h (struct ip_node_params): Move bitfields up.
2535 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2537 (struct iv_cand): Convert pos field into a bitfield.
2538 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2540 (struct _stmt_vec_info): Shuffle fields for better packing.
2542 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2544 * varasm.c (IN_NAMED_SECTION): Remove guard.
2545 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2546 (IN_NAMED_SECTION_P): ...this.
2547 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2548 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2550 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2552 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2553 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
2554 of shadowing it. Fix comments.
2556 2010-04-26 Jan Hubicka <jh@suse.cz>
2558 * cgraph.c (cgraph_create_node): Set node frequency to normal.
2559 (cgraph_clone_node): Copy function frequency.
2560 * cgraph.h (node_frequency): New enum
2561 (struct cgraph_node): Add.
2562 * final.c (rest_of_clean_state): Update.
2563 * lto-cgraph.c (lto_output_node): Output node frequency.
2564 (input_overwrite_node): Input node frequency.
2565 * tre-ssa-loop-ivopts (computation_cost): Update.
2566 * lto-streamer-out.c (output_function): Do not output function
2568 * predict.c (maybe_hot_frequency_p): Update and handle functions
2570 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2572 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2573 (compute_function_frequency): Set noreturn functions to be executed
2575 (choose_function_section): Update.
2576 * lto-streamer-in.c (input_function): Do not input function frequency.
2577 * function.c (allocate_struct_function): Do not initialize function
2579 * function.h (function_frequency): Remove.
2580 (struct function): Remove function frequency.
2581 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2582 (try_update): Update.
2583 * tree-inline.c (initialize_cfun): Do not update function frequency.
2584 * passes.c (pass_init_dump_file): Update.
2585 * i386.c (ix86_compute_frame_layout): Update.
2586 (ix86_pad_returns): Update.
2588 2010-04-26 Jie Zhang <jie@codesourcery.com>
2590 PR tree-optimization/43833
2591 * tree-vrp.c (range_int_cst_p): New.
2592 (range_int_cst_singleton_p): New.
2593 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2594 when both operands are constants. Use range_int_cst_p in
2597 2010-04-26 Jan Hubicka <jh@suse.cz>
2599 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2601 2010-04-26 Richard Guenther <rguenther@suse.de>
2604 * gimple.c (gimple_decl_printable_name): Deal gracefully
2605 with a NULL DECL_NAME.
2607 2010-04-26 Richard Guenther <rguenther@suse.de>
2610 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2611 if emitting debug information and it is either a function
2612 or a namespace decl.
2614 2010-04-26 Ira Rosen <irar@il.ibm.com>
2616 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2617 determine if the statement is vectorizable, and a macro to access it.
2618 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2619 Skip statements that can't be vectorized. If the analysis fails,
2620 mark the statement as unvectorizable if vectorizing basic block.
2621 (vect_compute_data_refs_alignment): Likewise.
2622 (vect_verify_datarefs_alignment): Skip statements marked as
2623 unvectorizable. Add print.
2624 (vect_analyze_group_access): Skip statements that can't be
2625 vectorized. If the analysis fails, mark the statement as
2626 unvectorizable if vectorizing basic block.
2627 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2628 * tree-vect-stmts.c (vectorizable_store): Fix the number of
2629 generated stmts for SLP.
2630 (new_stmt_vec_info): Initialize the new field.
2631 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2632 statements marked as unvectorizable.
2634 2010-04-25 Joseph Myers <joseph@codesourcery.com>
2636 * c-common.c (flag_isoc1x): New.
2637 (flag_isoc99): Update comment.
2638 * c-common.h (flag_isoc1x): New.
2639 (flag_isoc99): Update comment.
2640 * c-cppbuiltin.c (builtin_define_float_constants): Also define
2641 __<type>_DECIMAL_DIG__.
2642 * c-opts.c (set_std_c1x): New.
2643 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2644 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2645 * c.opt (-std=c1x, -std=gnu1x): New options.
2646 * doc/cpp.texi: Mention -std=c1x.
2647 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2648 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2649 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2650 * doc/standards.texi: Mention C1X.
2651 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2652 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2653 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2656 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
2658 * config/i386/gmon-sol2.c (_mcleanup): Change format string
2659 placeholder from 0x%x to %#x.
2660 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2661 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2662 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2663 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2664 * config/i386/i386.c (ix86_target_string): Ditto.
2665 (output_pic_addr_const): Ditto.
2666 (print_operand): Ditto.
2668 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
2670 * combine.c (find_split_point): Add third argument. Use it
2671 to find nested multiply-accumulate instructions. Adjust calls.
2672 (try_combine): Adjust call to find_split_point.
2674 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
2676 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2678 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
2680 PR tree-optimization/41442
2681 * fold-const.c (merge_truthop_with_opposite_arm): New function.
2682 (fold_binary_loc): Call it.
2684 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2686 * toplev.c (general_init): Set default for fdiagnostics-show-option.
2687 * opts.c (common_handle_option): Allow disabling it.
2688 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2690 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
2692 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2693 between modes if both types are integral.
2695 2010-04-23 Richard Guenther <rguenther@suse.de>
2697 PR tree-optimization/43572
2698 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2700 2010-04-23 Richard Guenther <rguenther@suse.de>
2703 * tree-inline.c (tree_can_inline_p): Also check compatibility
2706 2010-04-23 Martin Jambor <mjambor@suse.cz>
2708 PR tree-optimization/43846
2709 * tree-sra.c (struct access): New flag grp_assignment_read.
2710 (build_accesses_from_assign): Set grp_assignment_read.
2711 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2712 (enum mark_read_status): New type.
2713 (analyze_access_subtree): Propagate grp_assignment_read, create
2714 accesses also if both direct_read and root->grp_assignment_read.
2716 2010-04-23 Martin Jambor <mjambor@suse.cz>
2719 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2720 function does not have type attributes.
2722 2010-04-23 Richard Guenther <rguenther@suse.de>
2725 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2728 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2730 * sese.h (create_if_region_on_edge): Remove.
2732 * sese.c (create_if_region_on_edge): Make static.
2734 * tree-inline.c: Do not include ggc.h.
2736 * expr.c: Do not include ggc.h.
2738 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2741 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
2744 * config/sh/sh.c (find_barrier): Don't emit a constant pool
2745 in the middle of insns for casesi_worker_2.
2747 2010-04-22 David Edelsohn <edelsohn@gnu.org>
2749 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2751 2010-04-22 Ira Rosen <irar@il.ibm.com>
2753 PR tree-optimization/43842
2754 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2755 loop unrolling in update of exit phis. Fix comment.
2756 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2757 least two reduction statements in the loop before starting SLP
2760 2010-04-22 Nick Clifton <nickc@redhat.com>
2762 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2764 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
2766 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2769 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2771 * tree-parloops.c (loop_parallel_p): New argument
2772 parloop_obstack. Pass it down.
2773 (parallelize_loops): New variable parloop_obstack. Initialize it,
2774 pass it down, free it.
2776 * tree-loop-linear.c (linear_transform_loops): Pass down
2779 * tree-data-ref.h (lambda_compute_access_matrices): New argument
2780 of type struct obstack *.
2782 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2783 scratch_obstack. Initialize it, pass down, free it.
2785 * lambda.h (lambda_loop_new): Remove.
2786 (lambda_matrix_new, lambda_matrix_inverse)
2787 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2788 argument of type struct obstack *.
2790 * lambda-trans.c (lambda_trans_matrix_new): New argument
2791 lambda_obstack. Pass it down, use obstack allocation for ret.
2792 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
2795 * lambda-mat.c (lambda_matrix_get_column)
2796 (lambda_matrix_project_to_null): Remove.
2797 (lambda_matrix_new): New argument lambda_obstack. Use obstack
2799 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2802 * lambda-code.c (lambda_loop_new): New function.
2803 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2804 (lambda_compute_auxillary_space, lambda_compute_target_space)
2805 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2806 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2807 (build_access_matrix): New argument lambda_obstack. Use obstack
2809 (lambda_compute_step_signs, lambda_compute_access_matrices): New
2810 argument lambda_obstack. Pass it down.
2812 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2814 * optabs.h (expand_widening_mult): Declare.
2816 2010-04-22 Richard Guenther <rguenther@suse.de>
2818 PR tree-optimization/43845
2819 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2820 lookup the CALL_EXPR function and arguments.
2822 2010-04-22 Nick Clifton <nickc@redhat.com>
2824 * config/stormy16/stormy16.c
2825 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2826 * config/stormy16/stormy16.h: Tidy up formatting.
2827 (DONT_USE_BUILTIN_SETJMP): Remove definition.
2828 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2829 (ineqbranchsi): Delete pattern.
2830 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2831 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2832 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2833 stormy16-lib2-ucmpsi2.c.
2835 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2837 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2838 df_simulate_find_noclobber_defs as appropriate. Keep track of an
2839 extra set merge_set_noclobber, and use it to relax the final test
2841 * df.h (df_simulate_find_noclobber_defs): Declare.
2842 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2844 (df_simulate_find_noclobber_defs): New function.
2846 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
2848 * config/i386/i386.md: Use {} around multi-line preparation statements.
2850 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2852 * c-tree.h (push_init_level, pop_init_level, set_init_index)
2853 (process_init_element): New argument of type struct obstack *.
2855 * c-typeck.c (push_init_level, pop_init_level, set_designator)
2856 (set_init_index, set_init_label, set_nonincremental_init)
2857 (set_nonincremental_init_from_string, find_init_member)
2858 (output_init_element, output_pending_init_elements)
2859 (process_init_element): New argument braced_init_obstack. Pass it
2861 (push_range_stack, add_pending_init): New argument
2862 braced_init_obstack. Use obstack allocation.
2864 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2865 braced_init_obstack. Pass it down.
2866 (c_parser_braced_init): New variables ret, braced_init_obstack.
2867 Initialize obstack, pass it down and finally free it.
2869 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2872 * tree-pass.h (pass_optimize_widening_mul): Declare.
2873 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2874 gate_optimize_widening_mul): New static functions.
2875 (pass_optimize_widening_mul): New.
2876 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2877 <case MULT_EXPR>: Remove support for widening multiplies.
2878 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2879 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2880 simplify_gen_unary rather than directly building extensions.
2881 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2883 * expmed.c (expand_widening_mult): New function.
2884 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2886 2010-04-21 Jan Hubicka <jh@suse.cz>
2888 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2889 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2890 * lto-wpa-fixup.c: Remove.
2891 * Makefile.in (lto-wpa-fixup.o): Remove.
2892 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2893 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2894 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2896 2010-04-21 Jan Hubicka <jh@suse.cz>
2898 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2899 add write_optimization_summary, read_optimization_summary.
2900 (ipa_write_summaries_of_cgraph_node_set): Remove.
2901 (ipa_write_optimization_summaries): Declare.
2902 (ipa_read_optimization_summaries): Declare.
2903 * ipa-cp.c (pass_ipa_cp): Update.
2904 * ipa-reference.c (pass_ipa_reference): Update.
2905 * ipa-pure-const.c (pass_ipa_pure_const): Update.
2906 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2908 * ipa-inline.c (pass_ipa_inline): Update.
2909 * ipa.c (pass_ipa_whole_program): Update.
2910 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2911 * passes.c (ipa_write_summaries_1): Do not test wpa.
2912 (ipa_write_optimization_summaries_1): New.
2913 (ipa_write_optimization_summaries): New.
2914 (ipa_read_summaries): Do not test ltrans.
2915 (ipa_read_optimization_summaries_1): New.
2916 (ipa_read_optimization_summaries): New.
2918 2010-04-21 Jan Hubicka <jh@suse.cz>
2920 * lto-cgraph.c (lto_output_node): Do not output comdat groups
2922 (output_cgraph): Do not arrange comdat groups for boundary nodes.
2924 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2927 * dwarf2out.c (add_name_and_src_coords_attributes): Add
2928 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2930 2010-04-21 Jan Hubicka <jh@suse.cz>
2932 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2934 2010-04-21 Jan Hubicka <jh@suse.cz>
2936 * varpool.c (decide_is_variable_needed): Variable is always needed
2939 2010-04-21 Jan Hubicka <jh@suse.cz>
2941 * opts.c (decode_options): Enable pure-const pass for whopr.
2943 2010-04-21 Jan Hubicka <jh@suse.cz>
2945 * cgraph.c (dump_cgraph_node): Dump also assembler name.
2946 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2948 (cgraph_decide_inlining): Do not expect callee to be removed in all
2951 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2953 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2955 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2957 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2958 amdfam10_decode attributes.
2960 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2963 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2964 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2965 (lower_copyprivate_clauses): Use private var in outer
2966 context instead of original var. Make sure the types
2967 are correct for VLAs.
2969 2010-04-21 Richard Guenther <rguenther@suse.de>
2971 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2972 to non-pointer objects.
2974 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2976 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2977 last chain entry if it starts with the still current label.
2978 (add_location_or_const_value_attribute): Check that
2979 loc_list->first->next is NULL instead of comparing ->first with ->last.
2980 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2981 to add_var_loc_to_decl.
2983 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2984 >= 4 add also address size and segment size fields into CIE header.
2986 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2987 long as address size is the same as sizeof (void *) and
2989 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2990 address size or segment size is unexpected, return DW_EH_PE_omit.
2991 (classify_object_over_fdes): If get_cie_encoding returned
2992 DW_EH_PE_omit, return -1.
2993 (init_object): If classify_object_over_fdes returned -1,
2994 pretend there were no FDEs at all.
2996 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2998 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2999 bswap{si,di}2 using SWI48 mode iterator.
3000 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3001 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
3002 set modrm attribute of bswap insn to 0 and remove length attribute.
3003 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3004 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
3005 set mode attribute to <MODE> and remove length attribute.
3007 2010-04-20 James E. Wilson <wilson@codesourcery.com>
3009 PR rtl-optimization/43520
3010 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3011 zero available registers.
3013 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3015 * builtins.c (fold_builtin_cproj): Fold more cases.
3017 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3019 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3020 (fold_builtin_1): Fold builtin cproj.
3021 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3022 Use ATTR_CONST_NOTHROW_LIST.
3024 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
3026 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3027 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
3028 ffsi2_no_cmove for !TARGET_CMOVE.
3029 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
3030 (ffssi2): Remove expander.
3031 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3033 (ctz<mode>2): Ditto from ctz{si,di}2.
3034 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3036 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3039 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3041 * dwarf2out.c (AT_linkage_name): Define.
3042 (clone_as_declaration): Handle DW_AT_linkage_name.
3043 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3044 of DW_AT_MIPS_linkage_name.
3045 (move_linkage_attr): Likewise.
3046 (dwarf2out_finish): Likewise.
3048 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
3051 * fold-const.c (fold_comparison): New folding rule.
3053 2010-04-20 Anatoly Sokolov <aesok@post.ru>
3055 * double-int.h (double_int_setbit): Declare.
3056 * double-int.c (double_int_setbit): New function.
3057 * rtl.h (immed_double_int_const): Declare.
3058 * emit-rtl.c (immed_double_int_const): New function.
3059 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3060 and immed_double_int_const functions.
3061 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3062 expand_copysign_bit): (Ditto.).
3063 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3064 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3065 * dojump.c (prefer_and_bit_test): (Ditto.).
3066 * expr.c (convert_modes, reduce_to_bit_field_precision,
3067 const_vector_from_tree): (Ditto.).
3068 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3070 2010-04-20 Jan Hubicka <jh@suse.cz>
3072 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3073 (dump_cgraph_node): Dump new flags.
3074 * cgraph.h (struct cgraph_node): Add flags
3075 reachable_from_other_partition and in_other_partition.
3076 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3077 other partition can not be removed.
3078 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3079 the other partition must be output; silence sanity checking on
3080 leaking functions bodies from other paritition.
3081 * lto-cgraph.c (reachable_from_other_partition_p): New function.
3082 (lto_output_node): Output new flags; do not sanity check that inline
3083 clones are output; drop lto_forced_extern_inline_p code; do not mock
3084 visibility flags at partition boundaries.
3085 (add_node_to): New function.
3086 (output_cgraph): Use it to sort functions so masters appear before
3088 (input_overwrite_node): Input new flags.
3089 * passes.c (ipa_write_summaries): Do not call
3090 lto_new_extern_inline_states.
3091 * lto-section-out.c (forced_extern_inline,
3092 lto_new_extern_inline_states lto_delete_extern_inline_states,
3093 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3094 * lto-streamer.h (lto_new_extern_inline_states,
3095 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3096 lto_forced_extern_inline_p): Kill.
3098 2010-04-20 Richard Guenther <rguenther@suse.de>
3100 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3101 from vars that can have pointers.
3102 (process_constraint): Dump useless constraints.
3104 2010-04-20 Richard Guenther <rguenther@suse.de>
3106 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3107 (dump_sa_points_to_info): Remove asserts.
3108 (init_base_vars): nothing_id isn't an escape point nor does it
3111 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3113 * tree.h (TYPE_REF_IS_RVALUE): Define.
3114 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3115 should_move_die_to_comdat, prune_unused_types_walk): Handle
3116 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3117 (modified_type_die, gen_reference_type_die): Emit
3118 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3119 if TYPE_REF_IS_RVALUE and -gdwarf-4.
3121 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3124 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3125 calls for -fpic -m31 if they have been sibcall optimized.
3127 2010-04-19 James E. Wilson <wilson@codesourcery.com>
3129 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3130 ar.lc fixed and call-used.
3132 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3134 2010-04-19 Jan Hubicka <jh@suse.cz>
3136 * opts.c (decode_options): Disable whpr incompatible passes.
3137 * lto/lto.c (lto_1_to_1_map): Skip clones.
3138 (read_cgraph_and_symbols): Do not mark everything as needed.
3139 (do_whole_program_analysis): Do map only after optimizing;
3140 set proper cgraph_state; use passmanager.
3142 2010-04-19 DJ Delorie <dj@redhat.com>
3144 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3145 POINTER_PLUS_EXPR and fix them.
3147 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
3149 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3150 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3151 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3152 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3153 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3154 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3155 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3156 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3157 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3158 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3159 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3161 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
3163 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3164 (check_cond_move_block): Likewise.
3165 (cond_move_process_if_block): Likewise.
3166 (noce_find_if_block): Improve formatting.
3167 (find_if_header): Pass 0 to memset and tweak conditions.
3168 (cond_exec_find_if_block): Fix long lines and tweak conditions.
3170 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3172 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3176 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3177 with non-local decl doesn't need chain.
3179 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
3181 * ira-color.c (allocno_reload_assign): Avoid accumulating
3182 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3184 2010-04-19 Martin Jambor <mjambor@suse.cz>
3186 * gimple.h (create_tmp_reg): Declare.
3187 * gimplify.c (create_tmp_reg): New function.
3188 (gimplify_return_expr): Use create_tmp_reg.
3189 (gimplify_omp_atomic): Likewise.
3190 (gimple_regimplify_operands): Likewise.
3191 * tree-dfa.c (make_rename_temp): Likewise.
3192 * tree-predcom.c (predcom_tmp_var): Likewise.
3193 (reassociate_to_the_same_stmt): Likewise.
3194 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3195 (get_replaced_param_substitute): Likewise.
3196 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3197 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3198 * tree-ssa-pre.c (get_representative_for): Likewise.
3199 (create_expression_by_pieces): Likewise.
3200 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3201 (create_tailcall_accumulator): Likewise.
3203 2010-04-19 Martin Jambor <mjambor@suse.cz>
3205 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3207 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3209 2010-04-19 Richard Guenther <rguenther@suse.de>
3211 PR tree-optimization/43796
3212 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3213 from SCEV in the lattice.
3214 (vrp_visit_phi_node): Dump change.
3216 2010-04-19 Richard Guenther <rguenther@suse.de>
3218 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3219 * configure: Re-generated.
3221 2010-04-19 Richard Guenther <rguenther@suse.de>
3223 PR tree-optimization/43783
3224 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3225 constant ARRAY_REF operands two and three if possible.
3227 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
3230 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3232 2010-04-19 Jie Zhang <jie@codesourcery.com>
3235 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3237 2010-04-19 Ira Rosen <irar@il.ibm.com>
3239 PR tree-optimization/37027
3240 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3241 and macro to access it.
3242 (vectorizable_reduction): Add argument.
3243 (vect_get_slp_defs): Likewise.
3244 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3245 statements for possible use in SLP.
3246 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3247 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3248 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3250 (vectorizable_reduction): Likewise.
3251 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3253 (vectorizable_type_demotion, vectorizable_type_promotion,
3254 vectorizable_store): Likewise.
3255 (vect_analyze_stmt): Update call to vectorizable_reduction.
3256 (vect_transform_stmt): Likewise.
3257 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3258 (vect_build_slp_tree): Fix indentation. Check that there are no loads
3259 from different interleaving chains in same node.
3260 (vect_slp_rearrange_stmts): New function.
3261 (vect_supported_load_permutation_p): Allow load permutations for
3262 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3263 inside SLP nodes if necessary.
3264 (vect_analyze_slp_instance): Handle reductions.
3265 (vect_analyze_slp): Try to build SLP instances originating from groups
3267 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3268 (vect_get_constant_vectors): Create initial vectors for reductions
3269 according to reduction code. Add new argument.
3270 (vect_get_slp_defs): Add new argument, pass it to
3271 vect_get_constant_vectors.
3272 (vect_schedule_slp_instance): Remove SLP tree root statements.
3274 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3276 * tree.h (ENUM_IS_SCOPED): Define.
3277 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3278 for ENUM_IS_SCOPED enums.
3280 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
3282 * fold-const.c (fold_comparison): Use ssizetype.
3283 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3284 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3285 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3286 * tree-object-size.c (compute_object_sizes): Use size_type_node.
3288 * tree.h (initialize_sizetypes): Remove parameter.
3289 (build_common_tree_nodes): Remove second parameter.
3290 * stor-layout.c (initialize_sizetypes): Remove parameter.
3291 Always create an unsigned type.
3292 (set_sizetype): Assert that the passed type is unsigned and simplify.
3293 * tree.c (build_common_tree_nodes): Remove second parameter.
3294 Adjust call to initialize_sizetypes.
3295 * c-decl.c (c_init_decl_processing): Remove second argument in call to
3296 build_common_tree_nodes.
3298 2010-04-18 Matthias Klose <doko@ubuntu.com>
3300 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3302 2010-04-18 Ira Rosen <irar@il.ibm.com>
3304 PR tree-optimization/43771
3305 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3306 load permutation doesn't have gaps.
3308 2010-04-18 Jan Hubicka <jh@suse.cz>
3310 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3311 (sse_prologue_save_insn expander): Use new pattern.
3312 (sse_prologue_save_insn1): New pattern and splitter.
3313 (sse_prologue_save_insn): Update to deal also with 64bit aligned
3315 * i386.c (setup_incoming_varargs_64): Do not compute jump
3317 (ix86_gimplify_va_arg): Update alignment needed.
3318 (ix86_local_alignment): Do not align all local arrays to 128bit.
3320 2010-04-17 Jan Hubicka <jh@suse.cz>
3322 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3324 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3326 * arm.md (negdi2): Remove redundant code to force values into a
3329 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3331 * arm/bpabi.S: Add EABI alignment attributes to objects.
3332 * arm/bpabi-v6m.S: Likewise.
3333 * arm/crti.asm: Likewise.
3334 * arm/crtn.asm: Likewise.
3335 * arm/lib1funcs.asm: Likewise.
3336 * arm/libunwind.S: Likewise.
3338 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3340 * arm-protos.h (tune_params): New structure.
3341 * arm.c (current_tune): New variable.
3342 (arm_constant_limit): Delete.
3343 (struct processors): Add pointer to the tune parameters.
3344 (arm_slowmul_tune): New tuning option.
3345 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3346 (all_cores): Adjust to pick up the tuning model.
3347 (arm_constant_limit): New function.
3348 (arm_override_options): Select the appropriate tuning model. Delete
3349 initialization of arm_const_limit.
3350 (arm_split_constant): Use the new constant-limit model.
3351 (arm_rtx_costs): Pick up the current tuning model.
3352 * arm.md (is_strongarm, is_xscale): Delete.
3353 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3354 for Xscale variant architectures.
3355 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3357 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3359 * config/arm/arm.c (arm_gen_constant): Remove unused variable
3361 (arm_rtx_costs_1): Remove unused variable extra_cost.
3362 (arm_unwind_emit_set): Use variable offset.
3363 (thumb1_output_casesi): Remove unused variable flags.
3365 2010-04-16 Jeff Law <law@redhat.com>
3367 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3368 needing assignment rather than doing a two-phase assignment. Remove
3369 unused variable 'm'.
3371 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3374 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3376 2010-04-16 Doug Kwan <dougkwan@google.com>
3378 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3379 (next_operand_entry_id): New static variable.
3380 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3381 (add_to_ops_vec): Assigned unique ID to operand entry.
3382 (struct oecount_s): New field ID.
3383 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3384 (undistribute_ops_list): Assign unique IDs to oecounts.
3385 (init_reassoc): reset next_operand_entry_id.
3387 2010-04-16 Doug Kwan <dougkwan@google.com>
3389 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3390 missing left parenthesis.
3392 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
3394 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3395 *btdi_rex64 using SWI48 mode iterator.
3396 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3397 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3398 *jcc_btdi_mask_rex64.
3400 2010-04-16 Anatoly Sokolov <aesok@post.ru>
3402 * double-int.h (tree_to_double_int): Convert to macro.
3403 * double-int.c (tree_to_double_int): Remove.
3405 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3408 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3409 with want_address 2 and in case a single element list might be
3410 possible, call it again with want_address 0.
3412 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3414 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3415 case 'W' print operands for HI mode.
3416 * config/h8300/h8300.h (Y0, Y2) : New constraints.
3417 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3418 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3419 * config/h8300/predicate.md (bit_register_indirect_operand): New.
3421 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3423 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3424 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3425 #xx:3 and #xx:4 mode.
3427 * config/h8300/h8300.md (inverted load with HImode dest): Add
3428 support for H8300SX.
3430 * config/h8300/predicate.md (bit_operand): Allow immediate values that
3431 satisfy 'U' constraint.
3433 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3435 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3436 * configure: Regenerate.
3437 * config.in: Regenerate.
3438 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3441 2010-04-16 Richard Guenther <rguenther@suse.de>
3443 * tree.h (struct tree_decl_minimal): Move pt_uid ...
3444 (struct tree_decl_common): ... here.
3445 (DECL_PT_UID): Adjust.
3446 (SET_DECL_PT_UID): Likewise.
3447 (DECL_PT_UID_SET_P): Likewise.
3449 2010-04-16 Richard Guenther <rguenther@suse.de>
3451 PR tree-optimization/43572
3452 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3453 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3454 * tree-flow.h (is_call_clobbered): Remove.
3455 * tree-flow-inline.h (is_call_clobbered): Likewise.
3456 * tree-dfa.c (dump_variable): Do not dump call clobber state.
3457 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3458 (execute_return_slot_opt): Adjust.
3459 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3460 check for call clobbered vars here.
3461 (find_tail_calls): Move tailcall verification to the
3464 2010-04-16 Diego Novillo <dnovillo@google.com>
3466 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3468 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3471 * config/arm/arm.md (cbranchqi4): New pattern.
3472 * config/arm/predicates.md (const0_operand,
3473 cbranchqi4_comparison_operator): New predicates.
3475 2010-04-16 Richard Guenther <rguenther@suse.de>
3477 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3478 (dump_gimple_stmt): Likewise.
3480 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3482 * recog.h (struct recog_data): New field is_operator.
3483 (struct insn_operand_data): New field is_operator.
3484 * recog.c (extract_insn): Set recog_data.is_operator.
3485 * genoutput.c (output_operand_data): Emit code to set the
3487 * reload.c (find_reloads): Use it rather than testing for an
3488 empty constraint string.
3491 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3492 If the previous insn is a cbranchsi4_insn with the same arguments,
3493 omit the compare instruction.
3495 * config/arm/arm.md (addsi3_cbranch): If destination is a high
3496 register, inputs must be low registers and we need a low register
3497 scratch. Handle alternative 2 like alternative 3.
3499 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3501 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3502 don't call get_addr on both. If one expression is a VALUE and
3503 the other a REG, check VALUE's locs if the REG isn't among them.
3505 2010-04-16 Christian Bruel <christian.bruel@st.com>
3507 * config/sh/sh.h (sh_frame_pointer_required): New function.
3508 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3509 (flag_omit_frame_pointer) Set.
3510 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3511 (rounded_frame_size): Adjust size with outgoing_args_size.
3512 (sh_set_return_address): Must return from stack pointer.
3513 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3514 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3515 (ACCUMULATE_OUTGOING_ARGS): Define.
3516 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3517 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3519 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3522 * config/sh/sh.c (sh_legitimize_reload_address): Use
3523 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3524 Remove a unneeded check for offset_base.
3526 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
3528 * configure: Regenerated.
3530 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3532 * config/s390/s390.c (s390_call_save_register_used): Switch back
3533 to HARD_REGNO_NREGS.
3535 2010-04-15 Richard Guenther <rguenther@suse.de>
3537 * alias.c (alias_set_subset_of): Handle alias-set zero
3540 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
3541 Julian Brown <julian@codesourcery.com>
3543 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3544 alternatives according to use of high and low regs.
3545 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3546 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3547 optimizing for size on Thumb-2.
3549 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
3551 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3553 2010-04-15 Richard Guenther <rguenther@suse.de>
3555 * tree-ssa-structalias.c (struct variable_info): Add
3557 (new_var_info): Initialize it.
3558 (dump_constraints): Support printing last added constraints.
3559 (debug_constraints): Adjust.
3560 (dump_constraint_graph): Likewise.
3561 (make_heapvar_for): Check for NULL cfun.
3562 (get_function_part_constraint): New function.
3563 (get_fi_for_callee): Likewise.
3564 (find_func_aliases): Properly implement IPA PTA constraints.
3565 (process_ipa_clobber): New function.
3566 (find_func_clobbers): Likewise.
3567 (insert_into_field_list_sorted): Remove.
3568 (create_function_info_for): Properly allocate vars for IPA mode.
3569 Do not use insert_into_field_list_sorted.
3570 (create_variable_info_for): Properly generate constraints for
3571 global vars in IPA mode.
3572 (dump_solution_for_var): Always dump the solution.
3573 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3574 (find_what_var_points_to): Adjust.
3575 (pt_solution_set): Change.
3576 (pt_solution_ior_into): New function.
3577 (pt_solution_empty_p): Export.
3578 (pt_solution_includes_global): Adjust.
3579 (pt_solution_includes_1): Likewise.
3580 (pt_solutions_intersect_1): Likewise.
3581 (dump_sa_points_to_info): Check some invariants.
3582 (solve_constraints): Move constraint dumping ...
3583 (compute_points_to_sets): ... here.
3584 (ipa_pta_execute): ... and here.
3585 (compute_may_aliases): Do not re-compute points-to info
3586 locally if IPA info is available.
3587 (ipa_escaped_pt): New global var.
3588 (ipa_pta_execute): Properly implement IPA PTA.
3589 * tree-into-ssa.c (dump_decl_set): Support dumping
3590 decls not in referenced-vars.
3591 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3592 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3593 (dump_points_to_solution): Likewise.
3594 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3595 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3596 (remap_gimple_stmt): Reset call clobber/use information if necessary.
3597 (copy_decl_to_var): Copy DECL_PT_UID.
3598 (copy_result_decl_to_var): Likewise.
3599 * tree.c (make_node_stat): Initialize DECL_PT_UID.
3600 (copy_node_stat): Copy it.
3601 * tree.h (DECL_PT_UID): New macro.
3602 (SET_DECL_PT_UID): Likewise.
3603 (DECL_PT_UID_SET_P): Likewise.
3604 (struct tree_decl_minimal): Add pt_uid member.
3605 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3606 (pt_solution_empty_p): Declare.
3607 (pt_solution_set): Adjust.
3608 (ipa_escaped_pt): Declare.
3609 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3610 * gimple-pretty-print.c (pp_points_to_solution): New function.
3611 (dump_gimple_call): Dump call clobber/use information.
3612 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3613 * tree-pass.h (TDF_ALIAS): New dump option.
3614 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3615 * doc/invoke.texi (-fipa-pta): Update documentation.
3617 2010-04-15 Richard Guenther <rguenther@suse.de>
3619 * Makefile.in (OBJS-common): Add gimple-fold.o.
3620 (gimple-fold.o): New rule.
3621 * tree.h (maybe_fold_offset_to_reference,
3622 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3624 * gimple.h: ... here.
3625 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3626 may_propagate_address_into_dereference): Move prototypes ...
3627 * gimple.h: ... here.
3628 * tree-ssa-ccp.c (get_symbol_constant_value,
3629 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3630 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3631 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3632 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3633 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3634 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3635 gimplify_and_update_call_from_tree): Move ...
3636 * gimple-fold.c: ... here. New file.
3637 (ccp_fold_builtin): Rename to ...
3638 (gimple_fold_builtin): ... this.
3639 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3641 2010-04-15 Richard Guenther <rguenther@suse.de>
3643 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3644 fit_double_type, force_fit_type_double, add_double_with_sign,
3645 neg_double, mul_double_with_sign, lshift_double, rshift_double,
3646 lrotate_double, rrotate_double, div_and_round_double): Move ...
3647 * double-int.c: ... here.
3648 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3649 add_double, neg_double, mul_double_with_sign, mul_double,
3650 lshift_double, rshift_double, lrotate_double, rrotate_double,
3651 div_and_round_double): Move prototypes ...
3652 * double-int.h: ... here.
3654 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
3657 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
3658 matching constraints to ensure inputs match the output.
3660 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3663 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3664 in an input-only operand.
3666 2010-04-15 Anatoly Sokolov <aesok@post.ru>
3668 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3669 (double_int_not, double_int_lshift, double_int_rshift): Declare.
3670 (double_int_negative_p): Convert to static inline function.
3671 * double-int.c (double_int_lshift, double_int_lshift): New functions.
3672 (double_int_negative_p): Remove.
3673 * tree.h (lshift_double, rshift_double):
3674 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3675 * fold-const.c (fold_convert_const_int_from_real,
3676 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3677 (lshift_double): Change type of arith argument to bool.
3678 (rshift_double): Change type of arith argument to bool. Correct
3680 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3682 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
3685 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3686 at the start and end of the then/else blocks, and omit them from the
3688 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
3689 argument; all callers changed. Pass zero to old_insns_match_p instead.
3690 (flow_find_head_matching_sequence): New function.
3691 (old_insns_match_p): Check REG_EH_REGION notes for calls.
3692 * basic-block.h (flow_find_cross_jump,
3693 flow_find_head_matching_sequence): Declare functions.
3695 2010-04-14 Jason Merrill <jason@redhat.com>
3698 * c-common.c (attribute_takes_identifier_p): New fn.
3699 * c-common.h: Declare it.
3701 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3703 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3705 (*udivmod<mode>4): Ditto.
3707 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3709 * config/i386/i386.md (maxmin_int): Rename code attribute from
3710 maxminiprefix and update all users.
3711 (maxmin_float): Ditto from maxminfprefix.
3712 (logic): Ditto from logicprefix.
3713 (absneg_mnemonic): Ditto from absnegprefix.
3714 * config/i386/mmx.md: Update all users of maxminiprefix,
3715 maxminfprefix and logicprefix for rename.
3716 * config/i386/sse.md: Ditto.
3717 * config/i386/sync.md (sync_<code><mode>): Update for
3720 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
3723 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3724 warnings converted to errors.
3726 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3728 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3729 used insn_type variable.
3730 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3731 to avoid set-but-not-used warning.
3733 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3735 * df-core.c (df_ref_debug): Change format string placeholder
3737 * dwarf2asm.c (dw2_asm_output_data_raw,
3738 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3739 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3740 * dwarf2out.c (output_cfi, output_cfi_directive,
3741 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3742 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3744 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3745 * print-rtl.c (print_rtx): Ditto.
3747 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3750 * builtins.c (expand_builtin_pow_root): New function to expand pow
3751 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3752 series of sqrt and cbrt calls under -ffast-math.
3753 (expand_builtin_pow): Call it.
3755 2010-04-14 Michael Matz <matz@suse.de>
3757 PR tree-optimization/42963
3758 * tree-cfg.c (touched_switch_bbs): New static variable.
3759 (group_case_labels_stmt): New function broken out from ...
3760 (group_case_labels): ... here, use the above.
3761 (start_recording_case_labels): Allocate touched_switch_bbs.
3762 (end_recording_case_labels): Deallocate it, call
3763 group_case_labels_stmt.
3764 (gimple_redirect_edge_and_branch): Remember index of affected BB.
3766 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3768 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3771 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3773 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3775 2010-04-13 Jan Hubicka <jh@suse.cz>
3777 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3778 of optimized out static functions.
3779 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3780 cost computation. Also sanity check for overflows.
3781 (update_caller_keys): Update cgraph_edge_badness call; properly
3782 update fibheap and sanity check that it is up to date.
3783 (add_new_edges_to_heap): Update cgraph_edge_badness.
3784 (cgraph_decide_inlining_of_small_function): Likewise;
3785 add sanity checking that badness in heap is up to date;
3786 improve dumping of reason; Update badness of calls to the
3787 offline copy of function currently inlined; dump badness
3788 of functions not inlined because of unit growth limits.
3790 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3793 * c-common.c (pointer_int_sum): Disregard overflow that occured only
3794 because of sign-extension change when converting to sizetype here...
3795 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3797 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3798 the folding to constants. Remove redundant final conversion.
3799 (fold_binary) <associate>: Do not associate if the re-association of
3800 constants alone overflows.
3801 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3802 to the end of the list.
3803 (multiple_of_p) <COND_EXPR>: New case.
3805 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
3807 * opt-functions.awk (opt_sanitized_name): New.
3809 * optc-gen.awk: Use it
3810 * opth-gen.awk: Use it.
3812 2010-04-13 Martin Jambor <mjambor@suse.cz>
3814 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3815 (sra_modify_assign): Delete stmts loading dead data even if racc has no
3816 children. Call replace_uses_with_default_def_ssa_name to handle
3819 2010-04-13 Michael Matz <matz@suse.de>
3822 * builtins.c (expand_builtin_interclass_mathfn): Also create
3823 a register if the predicate doesn't match.
3825 2010-04-13 Diego Novillo <dnovillo@google.com>
3827 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3828 * c-pch.c: Include timevar.h.
3829 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3830 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3831 * ggc-common.c: Include timevar.h.
3832 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3833 * timevar.def (TV_PCH_SAVE): Define.
3834 (TV_PCH_CPP_SAVE): Define.
3835 (TV_PCH_PTR_REALLOC): Define.
3836 (TV_PCH_PTR_SORT): Define.
3837 (TV_PCH_RESTORE): Define.
3838 (TV_PCH_CPP_RESTORE): Define.
3840 2010-04-13 Michael Matz <matz@suse.de>
3842 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3844 (can_reassociate_p): New function.
3845 (break_up_subtract_bb, reassociate_bb): Use it.
3847 2010-04-13 Richard Guenther <rguenther@suse.de>
3850 * builtins.c (c_readstr): Fix assert.
3852 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
3854 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3855 when generating cltd insn.
3857 (*ashl<mode>3_1): Remove special handling for register operand 2.
3858 (*ashlsi3_1_zext): Ditto.
3859 (*ashlhi3_1): Ditto.
3860 (*ashlhi3_1_lea): Ditto.
3861 (*ashlqi3_1): Ditto.
3862 (*ashlqi3_1_lea): Ditto.
3863 (*<shiftrt_insn><mode>3_1): Ditto.
3864 (*<shiftrt_insn>si3_1_zext): Ditto.
3865 (*<shiftrt_insn>qi3_1_slp): Ditto.
3866 (*<rotate_insn><mode>3_1): Ditto.
3867 (*<rotate_insn>si3_1_zext): Ditto.
3868 (*<rotate_insn>qi3_1_slp): Ditto.
3870 2010-04-13 Richard Guenther <rguenther@suse.de>
3872 * tree-ssa-structalias.c (callused_id): Remove.
3873 (call_stmt_vars): New.
3874 (get_call_vi): Likewise.
3875 (lookup_call_use_vi): Likewise.
3876 (lookup_call_clobber_vi): Likewise.
3877 (get_call_use_vi): Likewise.
3878 (get_call_clobber_vi): Likewise.
3879 (make_transitive_closure_constraints): Likewise.
3880 (handle_const_call): Adjust to do per-call call-used handling.
3881 (handle_pure_call): Likewise.
3882 (find_what_var_points_to): Remove general callused handling.
3883 (init_base_vars): Likewise.
3884 (init_alias_vars): Initialize call_stmt_vars.
3885 (compute_points_to_sets): Process call-used and call-clobbered
3886 vars for call statements.
3887 (delete_points_to_sets): Free call_stmt_vars.
3889 2010-04-13 Richard Guenther <rguenther@suse.de>
3891 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3892 Only add RW dependence for dependence distance zero.
3893 Adjust maximal vectorization factor according to dependences.
3894 Move alignment handling ...
3895 (vect_find_same_alignment_drs): ... here. New function.
3896 (vect_analyze_data_ref_dependences): Adjust.
3897 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3898 (vect_analyze_data_refs): Adjust minimal vectorization factor
3899 according to data references.
3900 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3901 dependences before determining the vectorization factor.
3902 Analyze alignment after determining the vectorization factor.
3903 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3904 dependences before alignment.
3905 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3907 (vect_analyze_data_refs): Likewise.
3908 (MAX_VECTORIZATION_FACTOR): New define.
3910 2010-04-13 Duncan Sands <baldrick@free.fr>
3912 * except.h (lang_eh_type_covers): Remove.
3913 * except.c (lang_eh_type_covers): Likewise.
3915 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3916 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3918 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3919 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3920 UNITS_PER_LONG where it is ABI relevant.
3921 (s390_return_addr_rtx): Likewise.
3922 (s390_back_chain_rtx): Likewise.
3923 (s390_frame_area): Likewise.
3924 (s390_frame_info): Likewise.
3925 (s390_initial_elimination_offset): Likewise.
3926 (save_gprs): Likewise.
3927 (s390_emit_prologue): Likewise.
3928 (s390_emit_epilogue): Likewise.
3929 (s390_function_arg_advance): Likewise.
3930 (s390_function_arg): Likewise.
3931 (s390_va_start): Likewise.
3932 (s390_gimplify_va_arg): Likewise.
3933 (s390_function_profiler): Likewise.
3934 (s390_optimize_prologue): Likewise.
3935 (s390_rtx_costs): Likewise.
3936 (s390_secondary_reload): Likewise.
3937 (s390_promote_function_mode): Likewise.
3938 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3939 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3940 registers available.
3941 (s390_unwind_word_mode): New function.
3942 (s390_function_value): Split 64 bit values into register pair if
3943 used as return value.
3944 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3945 function call parameters. Handle parallels.
3946 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3947 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3948 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3949 (s390_expand_setmem): Remove unused variable src_addr.
3950 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3951 deal with 64 bit registers.
3952 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3953 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3954 (UNITS_PER_LONG): New macro.
3955 * libjava/include/s390-signal.h: Define extended ucontext
3956 structure containing the upper halfs of the 64 bit registers.
3958 2010-04-13 Simon Baldwin <simonb@google.com>
3960 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3962 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3964 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3965 rvalue on the RHS if the LHS is of a non-renamable type.
3966 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3968 2010-04-13 Matthias Klose <doko@ubuntu.com>
3970 * gcc.c (cc1_options): Handle -iplugindir before processing
3971 the cc1 spec. Only add -iplugindir once.
3972 (cpp_unique_options): Add -iplugindir option if -fplugin* options
3974 * common.opt (iplugindir): Remove `Separate' property, initialize.
3975 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3977 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3978 (distclean): Remove plugin dir.
3979 * doc/invoke.texi: Document -iplugindir.
3981 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
3983 * doc/plugins.texi (Loading Plugins): Document short
3984 -fplugin=foo option.
3985 (Plugin API): Mention default_plugin_dir_name function.
3987 * gcc.c (find_file_spec_function): Add new declaration.
3988 (static_spec_func): Use it for "find-file".
3989 (find_file_spec_function): Add new function.
3990 (cc1_options): Add -iplugindir option if -fplugin* options found.
3992 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3994 * plugin.c (add_new_plugin): Updated comment, and handle short
3996 (default_plugin_dir_name): Added new function.
3998 * common.opt (iplugindir): New option to set the plugin directory.
4000 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
4002 * config/i386/i386.md (any_rotate): New code iterator.
4003 (rotate_insn): New code attribute.
4005 (SWIM124): New mode iterator.
4006 (<rotate_insn>ti3): New expander.
4007 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
4008 any_rotate code iterator.
4009 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
4010 using any_rotate code iterator and SWIM124 mode iterator.
4011 (ix86_rotlti3): New insn_and_split pattern.
4012 (ix86_rotrti3): Ditto.
4013 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
4014 ix86_rotl{di,ti}3 patterns.
4015 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
4016 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
4017 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
4018 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
4019 code iterator and SWI mode iterator.
4020 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
4021 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
4023 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
4024 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
4025 (bswap rotatert splitter): Add splitter.
4026 (bswap splitter): Macroize splitter using any_rotate code iterator.
4027 Add insn predicate to split only for TARGET_USE_XCHGB or when
4028 optimizing function for size.
4030 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4032 * config/pa/pa.c (emit_move_sequence): Remove use of
4033 deleted variable flag_argument_noalias.
4035 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4037 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
4039 Add to unsupported targets list.
4040 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
4041 sparc*-sun-solaris2.[567]* from target lists.
4042 * configure: Regenerate.
4043 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
4045 Remove Solaris 7 patch references.
4046 (Specific, sparc-sun-solaris2.7): Removed.
4047 (sparc-sun-solaris2*): Update Solaris 7 example.
4048 (sparc64-*-solaris2*): Likewise.
4050 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4052 * config.build (alpha*-dec-osf4*): Remove.
4053 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
4054 of obsolete configurations.
4055 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
4057 * config/alpha/t-osf4: Renamed to ...
4058 * config/alpha/t-osf5: ... this.
4059 * config/alpha/osf.h: Renamed to ...
4060 * config/alpha/osf5.h: ... this.
4061 Merged old osf5.h contents.
4063 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
4064 (EXTRA_SPECS): Removed.
4065 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
4066 reflect removal of Tru64 UNIX V4.0/V5.0 support.
4069 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4071 * doc/contrib.texi (Contributors, Rainer Orth): Update.
4073 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
4076 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
4077 __thiscall convention.
4079 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4081 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
4083 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
4085 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4087 * function.c (assign_parms_initialize_all): Add unused attribute
4090 2010-04-12 Richard Guenther <rguenther@suse.de>
4092 * gsstruct.def (GSS_CALL): New.
4093 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
4094 * gimple.h: Include tree-ssa-alias.h.
4095 (struct gimple_statement_call): New.
4096 (union gimple_statement_struct_d): Add gimple_call member.
4097 (gimple_call_reset_alias_info): Declare.
4098 (gimple_call_use_set): New function.
4099 (gimple_call_clobber_set): Likewise.
4100 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
4101 * gimple.c (gimple_call_reset_alias_info): New function.
4102 (gimple_build_call_1): Call it.
4103 * lto-streamer-in.c (input_gimple_stmt): Likewise.
4104 * tree-inline.c (remap_gimple_stmt): Likewise.
4105 (expand_call_inline): Remove callused handling.
4106 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
4107 * tree-dfa.c (dump_variable): Likewise.
4108 * tree-parloops.c (parallelize_loops): Likewise.
4109 * tree-ssa.c (init_tree_ssa): Likewise.
4110 (delete_tree_ssa): Likewise.
4111 * tree-flow-inline.h (is_call_used): Remove.
4112 * tree-flow.h (struct gimple_df): Remove callused member.
4113 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
4114 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
4115 (ref_maybe_used_by_call_p_1): Simplify.
4116 (call_may_clobber_ref_p_1): Likewise.
4117 * tree-ssa-structalias.c (compute_points_to_sets): Set
4118 the call stmt used and clobbered sets.
4119 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
4120 (find_tail_calls): Verify the tail call.
4122 2010-04-12 Richard Guenther <rguenther@suse.de>
4124 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
4125 single-iteration always-inline inlining.
4126 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
4127 (cgraph_decide_inlining): Do not handle always-inline specially.
4128 (try_inline): Remove always-inline cycle detection special case.
4129 Do not recurse on always-inlines.
4130 (cgraph_early_inlining): Do not iterate if not optimizing.
4131 (cgraph_gate_early_inlining): remove.
4132 (pass_early_inline): Run unconditionally.
4133 (gate_cgraph_decide_inlining): New function.
4134 (pass_ipa_inline): Use it. Do not run the IPA inliner if
4135 not inlining or optimizing.
4136 (cgraph_decide_inlining_of_small_functions): Also consider
4137 always-inline functions.
4138 (cgraph_default_inline_p): Return true for nodes which should
4139 disregard inline limits.
4140 (estimate_function_body_sizes): Assume zero size and time for
4141 nodes which are marked as disregarding inline limits.
4142 (cgraph_decide_recursive_inlining): Do not perform recursive
4143 inlining on always-inline nodes.
4145 2010-04-12 Jakub Jelinek <jakub@redhat.com>
4148 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
4149 for exprs satisfying handled_component_p.
4151 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
4153 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
4154 non-constant aggregate elements.
4156 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
4157 is a real initialization.
4159 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
4162 * c-decl.c (start_function): Move forward check for nested function.
4164 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
4166 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
4167 * config/sh/sh.c: Include reload.h.
4168 (sh_legitimize_reload_address): New.
4169 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
4170 sh_legitimize_reload_address.
4172 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4174 * config/sh/sh.md (*movqi_pop): New insn pattern.
4175 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
4177 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4179 * config/i386/i386.md (any_shiftrt): New code iterator.
4180 (shiftrt_insn): New code attribute.
4182 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
4183 using any_shiftrt code iterator.
4184 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
4185 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
4186 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
4187 pattern from corresponding peephole2 patterns.
4188 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
4189 using any_shiftrt code iterator.
4190 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
4191 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
4192 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
4193 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
4194 *{ashr,lshr}<mode>3_cmp_zext.
4195 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
4197 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4199 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
4201 (*lshr<mode>3_cconly): Ditto.
4203 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4205 * config/i386/i386.md (lshr<mode>3): Macroize expander from
4206 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4207 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4208 pattern from *lshr{di,ti}3_1 and corresponding splitters using
4210 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4211 from corresponding peephole2 patterns.
4212 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
4213 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
4214 and *lshrdi3_1_rex64 using SWI mode iterator.
4215 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
4216 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
4217 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
4218 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
4219 and *lshrdi3_cmp_rex64 using SWI mode iterator.
4220 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
4221 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
4222 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
4223 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
4226 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
4228 * config/i386/i386.md (ashr<mode>3): Macroize expander from
4229 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4230 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4231 pattern from *ashr{di,ti}3_1 and corresponding splitters using
4233 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4234 from corresponding peephole2 patterns.
4235 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
4236 (ashrsi3_cvt): Rename from ashrsi3_31.
4237 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
4238 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
4239 and x86_64_shift_adj_3 using SWI48 mode iterator.
4240 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
4241 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
4242 and *ashrdi3_1_rex64 using SWI mode iterator.
4243 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
4244 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
4245 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
4246 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
4247 and *ashrdi3_cmp_rex64 using SWI mode iterator.
4248 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
4249 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
4250 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
4251 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
4253 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
4254 * config/i386/i386.c (ix86_split_ashr): Update for renamed
4255 x86_shift<mode>_adj_3 expanders.
4257 2010-04-10 Wei Guozhi <carrot@google.com>
4260 * config/arm/arm.c (arm_pic_static_addr): New function.
4261 (legitimize_pic_address): Call arm_pic_static_addr when it detects
4263 (arm_output_addr_const_extra): Output expression for new pattern.
4264 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
4266 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
4268 * ira-costs.c (record_reg_classes): Ignore alternatives that are
4271 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
4272 * web.c: Include "insn-config.h" and "recog.h".
4273 (union_match_dups): New function.
4274 (web_main): Call it.
4275 (union_defs): Don't try to recognize match_dups.
4277 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
4278 if doing so would replace the entire pattern.
4280 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4284 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
4285 and splitter pattern. Change splitter operand 1 predicate to
4288 2010-04-09 Martin Jambor <mjambor@suse.cz>
4290 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
4291 lattices are addresses of CONST_DECLs with the same initial value.
4292 (ipcp_print_all_lattices): Print values of CONST_DECLs.
4293 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
4295 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
4296 Bernd Schmidt <bernds@codesourcery.com>
4298 * loop-invariant.c (replace_uses): New static function.
4299 (move_invariant_reg): Use it to ensure we can replace the uses.
4301 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
4303 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
4305 (picochip_override_options): Enable section anchors only above -O1.
4306 (picochip_reorg): Fixed a couple of build warnings.
4308 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4310 * configure.ac (plugin -rdynamic test): Log result.
4311 * configure: Regenerate.
4312 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
4313 (RDYNAMIC_SPEC): Define.
4314 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
4316 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4318 * configure.ac: Determine Sun ld version numbers.
4319 (comdat_group): Restrict GNU ld version checks to gld.
4320 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
4321 (enable_comdat): Support --enable-comdat.
4322 * configure: Regenerate.
4323 * doc/install.texi (Configuration): Document --enable-comdat.
4325 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4327 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
4328 * config/sol2-gld.h: ... here.
4329 * config.gcc (sparc*-*-solaris2*): Reflect this.
4330 (i[34567]86-*-solaris2*): Use it.
4332 2010-04-09 Steve Ellcey <sje@cup.hp.com>
4334 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
4336 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
4338 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4341 * diagnostic.c (diagnostic_initialize): Initialize
4342 some_warnings_are_errors.
4343 (diagnostic_finish): New.
4344 (diagnostic_action_after_output): Call it before exiting.
4345 (diagnostic_report_diagnostic): Do not print message here. Set
4346 some_warnings_are_errors.
4347 * diagnostic.h (diagnostic_context): Delete
4348 issue_warnings_are_errors_message. Add some_warnings_are_errors.
4349 (diagnostic_finish): Declare.
4350 * toplev.c (toplev_main): Call it before exit.
4352 2010-04-09 Jason Merrill <jason@redhat.com>
4355 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
4356 for incomplete type.
4359 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
4360 based on a warning flag.
4362 2010-04-09 Richard Guenther <rguenther@suse.de>
4364 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
4366 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
4369 * varasm.c (default_assemble_visibility): Wrap vars that are
4370 set, but unused, by targets without GAS.
4371 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
4372 Remove set, but unused, vars.
4373 (rs6000_legitimize_tls_address): Likewise.
4374 (altivec_expand_dst_builtin): Likewise.
4375 * config/darwin.c (machopic_classify_symbol): Likewise.
4376 (machopic_indirection_name): Likewise.
4378 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4380 * config/i386/i386.md (DWI): New mode iterator.
4381 (S): New mode attribute.
4382 (shift_operand): Ditto.
4383 (shift_immediate_operand): Ditto.
4384 (ashl_input_operand): Ditto.
4385 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
4386 using SDWIM mode iterator.
4387 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
4388 pattern from *ashl{di,ti}3_1 and corresponding splitters using
4390 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
4391 from corresponding peephole2 patterns.
4392 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
4393 and x86_64_shift_adj_1 using SWI48 mode iterator.
4394 (x86_shift<mode>_adj_2): Ditto.
4395 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
4396 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
4397 using SWI48 mode iterator.
4398 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
4399 *ashldi3_cmp_rex64 using SWI mode iterator.
4400 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
4401 *ashldi3_cconly_rex64 using SWI mode iterator.
4402 * config/i386/i386.c (ix86_split_ashl): Update for renamed
4403 x86_shift<mode>_adj_{1,2}.
4404 (ix86_split_ashr): Ditto.
4405 (ix86_split_lshr): Ditto.
4407 2010-04-09 Richard Guenther <rguenther@suse.de>
4409 * target.h (builtin_conversion): Pass in input and output types.
4410 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
4411 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
4412 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
4413 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
4415 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
4417 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
4419 2010-04-09 Richard Guenther <rguenther@suse.de>
4422 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
4424 2010-04-09 Richard Guenther <rguenther@suse.de>
4426 * tree-vectorizer.h (struct _stmt_vec_info): Document
4427 that vectype is the type of the LHS.
4428 (supportable_widening_operation, supportable_narrowing_operation):
4429 Get both input and output vector types as arguments.
4430 (vect_is_simple_use_1): Declare.
4431 (get_same_sized_vectype): Likewise.
4432 * tree-vect-loop.c (vect_determine_vectorization_factor):
4433 Set STMT_VINFO_VECTYPE to the vector type of the def.
4434 (vectorizable_reduction): Adjust.
4435 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
4436 Adjust. Specify the output vector type.
4437 (vect_pattern_recog_1): Adjust.
4438 * tree-vect-stmts.c (get_same_sized_vectype): New function.
4439 (vectorizable_call): Adjust.
4440 (vectorizable_conversion): Likewise.
4441 (vectorizable_operation): Likewise.
4442 (vectorizable_type_demotion): Likewise.
4443 (vectorizable_type_promotion): Likewise.
4444 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
4446 (vect_is_simple_use_1): New function.
4447 (supportable_widening_operation): Get both input and output
4449 (supportable_narrowing_operation): Likewise.
4450 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
4452 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
4454 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
4455 __thiscall and _thiscall as predefined macros.
4456 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
4457 thiscall attribute handling.
4458 (ix86_comp_type_attributes): Likewise.
4459 (ix86_function_regparm): Likewise.
4460 (ix86_return_pops_args): Likewise.
4461 (init_cumulative_args): Likewise.
4462 (find_drap_reg): Likewise.
4463 (ix86_static_chain): Likewise.
4464 (x86_this_parameter): Likewise.
4465 (x86_output_mi_thunk): Likewise.
4466 (ix86_attribute_table): Add description for thiscall attribute.
4467 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
4468 * doc/extend.texi: Add documentation for thiscall.
4470 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4473 * c.opt (Wint-to-pointer-cast): Available in C++.
4474 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
4476 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
4478 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
4479 * calls.c (expand_call): Pass the function type to aggregate_value_p.
4480 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
4481 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
4482 function type instead. Reorder and simplify checks.
4484 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
4486 2010-04-08 Jing Yu <jingyu@google.com>
4487 Zdenek Dvorak <ook@ucw.cz>
4489 PR tree-optimization/42720
4490 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
4491 loop unswitch conditions here from ...
4492 (tree_unswitch_single_loop): ... here.
4494 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4496 * tree-if-conv.c: Fix comments and simplify logic.
4498 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4500 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
4501 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
4502 (main_tree_if_conversion): Update call to tree_if_conversion.
4504 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
4507 * doc/invoke.texi (-b,-V): Delete.
4508 * doc/tm.texi: Do not mention -b.
4509 * gcc.c (display_help): Delete -b and -V.
4510 (process_command): Delete -b and -V.
4511 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
4513 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
4514 Wolfgang Gellerich <gellerich@de.ibm.com>
4516 Implement target hook for loop unrolling
4517 * target.h (loop_unroll_adjust): Add a new target hook function.
4518 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
4519 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
4520 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
4521 (s390_loop_unroll_adjust): Implement the new target hook for s390.
4522 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
4524 (decide_unroll_stupid): Likewise.
4526 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4529 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
4531 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4533 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
4534 (Specific, *-*-solaris2*): Likewise.
4535 Don't prefer Sun as over GNU as.
4537 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
4539 * config/s390/s390.c (override_options): Adjust the z10 defaults
4540 for max-unroll-times, max-completely-peeled-insns
4541 and max-completely-peel-times.
4543 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4545 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
4546 instructions for z10.
4547 (s390_expand_setmem): Likewise.
4548 (s390_expand_cmpmem): Likewise.
4550 2010-04-08 Richard Guenther <rguenther@suse.de>
4552 PR tree-optimization/43679
4553 * tree-ssa-pre.c (eliminate): Only propagate copies.
4555 2010-04-08 Jakub Jelinek <jakub@redhat.com>
4558 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
4559 set but not used variable warning.
4561 2010-04-08 Wei Guozhi <carrot@google.com>
4564 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
4565 (arm_size_rtx_costs): Call the new function when optimized for size.
4567 2010-04-08 Jakub Jelinek <jakub@redhat.com>
4570 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
4571 op0 is not a MEM, just return NULL instead of assertion
4573 (discover_nonconstant_array_refs): Don't walk debug stmts.
4575 2010-04-08 Doug Kwan <dougkwan@google.com>
4577 * configure.ac: Recognize gold and do not use its version number
4578 to test ld features.
4579 * configure: Regenerate.
4581 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
4584 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
4585 (negate_value): Move code to push elements to broken_up_substracts ...
4586 (eliminate_plus_minus_pair): ... here. Push operands that have no
4587 negative pair to plus_negates.
4588 (repropagate_negates, init_reassoc, fini_reassoc): Update.
4590 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4592 * doc/install.texi (Configuration): Move description of
4593 --enable-lto, --with-libelf*, --enable-gold from Java section to
4596 * doc/generic.texi (Working with declarations)
4597 (Function Properties, C and C++ Trees): Fix typos.
4598 * doc/sourcebuild.texi (Top Level): Likewise.
4600 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4603 * tree.h (DECL_READ_P): Define.
4604 (struct tree_decl_common): Add decl_read_flag.
4605 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
4606 a set but not used warning.
4607 (merge_decls): Merge DECL_READ_P flag.
4608 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
4609 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
4610 * c-common.c (handle_used_attribute, handle_unused_attribute):
4612 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
4614 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
4616 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
4617 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
4618 c_parser_binary_expression, c_parser_cast_expression,
4619 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
4620 Call default_function_array_read_conversion instead of
4621 default_function_array_conversion where needed.
4622 (c_parser_unary_expression, c_parser_conditional_expression,
4623 c_parser_postfix_expression_after_primary, c_parser_initelt):
4624 Likewise. Call mark_exp_read where needed.
4625 (c_parser_statement_after_labels, c_parser_asm_operands,
4626 c_parser_typeof_specifier, c_parser_sizeof_expression,
4627 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
4629 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
4631 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
4632 (warn_unused_but_set_parameter): Default to warn_unused
4634 * doc/invoke.texi: Document -Wunused-but-set-variable and
4635 -Wunused-but-set-parameter.
4637 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
4638 used count variable.
4639 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
4640 when operandN variables aren't used in the body of the expander
4642 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
4643 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
4644 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
4645 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
4646 FOR_EACH_IMM_USE_ON_STMT): Likewise.
4647 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
4648 * tree.c (PROCESS_ARG): Likewise.
4650 2010-04-07 Simon Baldwin <simonb@google.com>
4652 * diagnostic.h (diagnostic_override_option_index): New macro to
4653 set a diagnostic's option_index.
4654 * c-tree.h (c_cpp_error): Add warning reason argument.
4655 * opts.c (_warning_as_error_callback): New.
4656 (register_warning_as_error_callback): Store callback for
4657 warnings enabled via enable_warning_as_error.
4658 (enable_warning_as_error): Call callback, minor code tidy.
4659 * opts.h (register_warning_as_error_callback): Declare.
4660 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
4661 response to -Werror=.
4662 (c_common_init_options): Register warning_as_error_callback in opts.c.
4663 * common.opt: Add -Wno-cpp option.
4664 * c-common.c (struct reason_option_codes_t): Map cpp warning
4665 reason codes to gcc option indexes.
4666 * (c_option_controlling_cpp_error): New function, lookup the gcc
4667 option index for a cpp warning reason code.
4668 * (c_cpp_error): Add warning reason argument, call
4669 c_option_controlling_cpp_error for diagnostic_override_option_index.
4670 * doc/invoke.texi: Document -Wno-cpp.
4672 2010-04-07 Richard Guenther <rguenther@suse.de>
4674 * ipa-reference.c (mark_load): Use get_base_address.
4675 (mark_store): Likewise.
4677 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
4678 inserting GIMPLE_NOPs into the IL.
4679 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4680 Explicitly strip handled components and indirect references.
4682 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
4683 folding address expressions.
4684 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
4685 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
4686 operand_equal_p to compare decls.
4687 (ptr_deref_may_alias_decl_p): Likewise.
4688 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
4689 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
4690 Handle reversed comparison ops.
4691 * tree-sra.c (asm_visit_addr): Use get_base_address.
4692 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
4693 * ipa-reference.c (mark_address): Use get_base_address.
4695 2010-04-07 Richard Guenther <rguenther@suse.de>
4697 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
4698 Propagate constants everywhere.
4700 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4703 * tree.c (MAX_INT_CACHED_PREC): Define.
4704 (nonstandard_integer_type_cache): New array.
4705 (build_nonstandard_integer_type): Cache results for precision
4706 <= MAX_INT_CACHED_PREC.
4708 2010-04-07 Richard Guenther <rguenther@suse.de>
4710 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
4711 -fargument-noalias-global, -fargument-noalias-anything): Remove.
4712 * common.opt: Likewise.
4713 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
4714 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
4715 (nonoverlapping_memrefs_p): Likewise.
4716 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4717 * opts.c (common_handle_option): Handle OPT_fargument_alias,
4718 OPT_fargument_noalias, OPT_fargument_noalias_anything and
4719 OPT_fargument_noalias_global for backward compatibility.
4721 2010-04-07 Richard Guenther <rguenther@suse.de>
4723 PR tree-optimization/43270
4724 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
4725 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
4726 * tree-ssa-pre.c (phi_translate_1): Adjust.
4727 (fully_constant_expression): Split out vn_reference handling to ...
4728 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
4729 Fold reads from constant strings.
4730 (vn_reference_lookup): Handle fully constant references.
4731 (vn_reference_lookup_pieces): Likewise.
4732 * Makefile.in (expmed.o-warn): Add -Wno-error.
4734 2010-04-07 Martin Jambor <mjambor@suse.cz>
4736 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
4738 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
4741 * gcc.c: Add -static-libstdc++ to list of recognized options.
4743 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4745 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
4747 2010-04-07 Richard Guenther <rguenther@suse.de>
4750 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
4751 bases build simple mem attributes to retain points-to information.
4753 2010-04-07 Richard Guenther <rguenther@suse.de>
4756 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
4757 preserve points-to related information.
4759 2010-04-07 Richard Guenther <rguenther@suse.de>
4762 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
4763 discard plain indirect references.
4764 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
4765 * tree.c (tree_nop_conversion): Likewise.
4767 2010-04-07 Dodji Seketeli <dodji@redhat.com>
4770 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
4772 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
4774 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
4775 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
4777 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4779 * tree-if-conv.c: Fix indentation and comments.
4781 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4783 * tree-if-conv.c: Sort static functions in topological order.
4785 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4787 * tree-if-conv.c: Fix indentation and comments.
4789 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4792 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
4793 lang_hooks.types.type_for_size instead of
4794 build_nonstandard_integer_type.
4795 When converting an unsigned type to signed, double its precision.
4796 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
4797 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
4798 (graphite_create_new_loop_guard): When ub + 1 wraps around,
4801 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4804 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
4805 POINTER_PLUS_EXPR for pointer types.
4807 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4810 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
4811 * graphite-clast-to-gimple.c: Include langhooks.h.
4812 (max_signed_precision_type): New.
4813 (max_precision_type): Takes two types as arguments.
4814 (precision_for_value): New.
4815 (precision_for_interval): New.
4816 (gcc_type_for_interval): New.
4817 (gcc_type_for_value): New.
4818 (gcc_type_for_clast_term): New.
4819 (gcc_type_for_clast_red): New.
4820 (gcc_type_for_clast_bin): New.
4821 (gcc_type_for_clast_expr): Split up into several functions.
4822 (gcc_type_for_clast_eq): Rewritten.
4823 (compute_bounds_for_level): New.
4824 (compute_type_for_level_1): New.
4825 (compute_type_for_level): New.
4826 (gcc_type_for_cloog_iv): Removed.
4827 (gcc_type_for_iv_of_clast_loop): Rewritten.
4828 (graphite_create_new_loop): Compute the lower and upper bound types
4829 with gcc_type_for_clast_expr.
4830 (graphite_create_new_loop_guard): Same.
4831 (find_cloog_iv_in_expr): Removed.
4832 (compute_cloog_iv_types_1): Removed.
4833 (compute_cloog_iv_types): Removed.
4834 (gloog): Do not call compute_cloog_iv_types.
4835 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
4837 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
4838 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
4839 (GBB_CLOOG_IV_TYPES): Removed.
4841 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4843 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
4844 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
4845 (detect_commutative_reduction): Same.
4847 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4849 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
4850 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
4852 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
4853 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
4854 (rewrite_commutative_reductions_out_of_ssa): Same.
4855 * passes.c (execute_function_todo): Call verify_ssa for every pass
4856 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
4857 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
4858 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
4859 with an extra argument.
4860 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
4861 verify_ssa only when the extra argument is true.
4862 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
4863 with an extra argument.
4864 (tree_transform_and_unroll_loop): Same.
4866 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4868 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
4869 for all the passes of the LNO having LOOP_CLOSED_SSA.
4870 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
4871 * tree-loop-distribution.c (pass_loop_distribution): Same.
4872 * tree-pass.h (TODO_verify_loops): Removed.
4873 * tree-ssa-loop.c (pass_tree_loop_init): Same.
4875 (pass_tree_unswitch): Same.
4876 (pass_predcom): Same.
4877 (pass_vectorize): Same.
4878 (pass_linear_transform): Same.
4879 (pass_graphite_transforms): Same.
4880 (pass_iv_canon): Same.
4881 (pass_complete_unroll): Same.
4882 (pass_complete_unrolli): Same.
4883 (pass_parallelize_loops): Same.
4884 (pass_loop_prefetch): Same.
4885 (pass_iv_optimize): Same.
4887 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
4890 * passes.c (init_optimization_passes): Move pass_lim before
4891 pass_copy_prop and pass_dce_loop.
4893 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4896 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
4897 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
4898 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
4899 MULTI_* defines for 4 argument vpermil2p* builtins.
4901 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4903 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
4904 * config/i386/i386.c (x86_maybe_negate_const_int): New.
4905 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
4906 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
4907 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
4908 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
4909 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
4910 Use x86_maybe_negate_const_int to output insn mnemonic.
4911 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
4912 check from instruction predicate. Update comments.
4913 * config/i386/sync.md (sync_add<mode>): Use
4914 x86_maybe_negate_const_int to output insn mnemonic.
4916 2010-04-06 Jan Hubicka <jh@suse.cz>
4918 PR tree-optimization/42906
4919 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
4920 IGNORE_SELF argument. Set visited_control_parents for fully
4922 (find_obviously_necessary_stmts): Update call of
4923 mark_control_dependent_edges_necessary.
4924 (propagate_necessity): Likewise. Handle PHI edges more curefully.
4926 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4928 * config/i386/i386.md: Remove comment about 'e' and 'E'
4931 2010-04-06 Richard Guenther <rguenther@suse.de>
4933 PR tree-optimization/43627
4934 * tree-vrp.c (extract_range_from_unary_expr): Widenings
4935 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
4938 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4940 * BASE-VER: Change to 4.6.0.
4943 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
4946 2010-04-06 Richard Guenther <rguenther@suse.de>
4949 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4951 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4953 * doc/invoke.texi (Optimize Options): Document that LTO
4954 won't remove object access purely due to incompatible
4957 2010-04-04 Matthias Klose <doko@ubuntu.com>
4959 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4960 Initialize variable.
4962 2010-04-03 Richard Guenther <rguenther@suse.de>
4965 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
4966 require a non-NULL MEM_OFFSET.
4968 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
4970 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
4971 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
4972 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
4973 config/alpha/predicates.md, config/arm/arm.md,
4974 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
4975 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
4976 config/darwin9.h, config/darwin.c, config/darwin.h,
4977 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
4978 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
4979 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
4980 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
4981 config/mips/mips.md, config/mn10300/mn10300.c,
4982 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
4983 config/rs6000/aix.h, config/rs6000/dfp.md,
4984 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
4985 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
4986 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
4987 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
4988 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
4989 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
4990 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
4991 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
4992 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
4993 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
4994 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
4995 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
4996 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
4997 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
4998 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
4999 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
5000 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
5001 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
5002 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
5003 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
5004 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
5005 opt-functions.awk, opth-gen.awk, params.def, passes.c,
5006 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
5007 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
5008 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
5009 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
5010 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
5011 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
5012 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
5013 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
5014 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
5015 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
5016 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
5017 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
5018 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
5019 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
5021 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5024 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
5025 * aclocal.m4: Regenerate.
5027 2010-04-02 Richard Guenther <rguenther@suse.de>
5029 PR tree-optimization/43629
5030 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
5031 if we have seen a constant value.
5033 2010-04-02 Joseph Myers <joseph@codesourcery.com>
5035 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
5037 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
5040 * arm.c (legitimize_tls_address): Adjust call to
5041 gen_tls_load_dot_plus_four.
5042 (arm_note_pic_base): New function.
5043 (arm_cannot_copy_insn_p): Use it.
5044 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
5047 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5052 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5054 * Makefile.in ($(out_object_file)): Depend on
5055 gt-$(basename $(notdir $(out_file))).h.
5057 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
5059 * config.gcc (lm32-*-rtems*): Add t-lm32.
5061 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
5063 * config.gcc: Add lm32-*-rtems*.
5064 * config/lm32/rtems.h: New file.
5066 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
5069 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
5071 2010-04-01 Jakub Jelinek <jakub@redhat.com>
5073 * dwarf2out.c (output_compilation_unit_header): For
5074 -gdwarf-4 use version 4 instead of version 3.
5075 (output_line_info): For version 4 and above emit additional
5076 maximum ops per insn header field.
5077 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
5079 * dwarf2out.c (is_c_family, is_java): Remove.
5080 (lower_bound_default): New function.
5081 (add_bound_info, gen_descr_array_type_die): Use it.
5083 2010-04-01 Dodji Seketeli <dodji@redhat.com>
5086 * dwarf2out.c (gen_variable_die): Allow debug info for variable
5087 re-declaration when it happens in a function.
5089 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
5091 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
5092 (cgraph_remove_function_insertion_hook): Same.
5093 (cgraph_call_function_insertion_hooks): Same.
5095 2010-04-01 Richard Guenther <rguenther@suse.de>
5098 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
5099 and TREE_THIS_VOLATILE.
5100 (copy_ref_info): Likewise.
5101 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
5102 * tree.c (build6_stat): Ignore side-effects of all but arg5
5103 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
5106 2010-04-01 Richard Guenther <rguenther@suse.de>
5108 PR tree-optimization/43607
5109 * ipa-type-escape.c (check_call): Do not access non-existing
5112 2010-04-01 Richard Guenther <rguenther@suse.de>
5116 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5117 Jack Howarth <howarth@bromo.med.uc.edu>
5119 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5122 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5124 * doc/install.texi (Prerequisites): Document libelf usability on
5125 IRIX 5/6 and Solaris 2.
5126 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
5127 Update GNU as, GNU ld requirements.
5128 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
5129 Document Sun Studio compiler download.
5130 Update and simplify as, ld recommendations.
5131 (Specific, *-*-solaris2.7): Note obsoletion, removal.
5133 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5135 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
5136 with_tune_32 to pentium4.
5138 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
5140 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
5142 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5144 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
5145 obsoletion, removal.
5147 Document GNU as requirement.
5148 Update configure requirements.
5149 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
5150 Recomment IRIX 6.5.18+.
5151 Document IDF/IDL requirement.
5152 Document GNU as requirement.
5153 Document GNU ld bootstrap failure.
5154 Remove freeware.sgi.com reference.
5156 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5158 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
5159 UNIX V4.0, V5.0 obsoletion, removal.
5160 Remove --with-gc=simple reference.
5161 Update VM requirements during bootstrap.
5162 Remove -oldas bootstrap description.
5163 Update binutils reference.
5164 Remove comparison failure note.
5166 2010-03-31 Richard Guenther <rguenther@suse.de>
5167 Zdenek Dvorak <ook@ucw.cz>
5168 Sebastian Pop <sebastian.pop@amd.com>
5171 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
5172 with multiple arguments.
5173 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
5175 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5177 * graphite-dependences.c (print_pddr): Call print_pdr with an
5179 * graphite-poly.c (debug_pdr): Add an extra argument for the
5182 (print_pbb_domain): Same.
5184 (print_scop_context): Same.
5186 (print_cloog): Same.
5187 (debug_pbb_domain): Same.
5191 (debug_scop_context): Same.
5193 (debug_cloog): Same.
5194 (print_scop_params): Same.
5195 (debug_scop_params): Same.
5196 (print_iteration_domain): Same.
5197 (print_iteration_domains): Same.
5198 (debug_iteration_domain): Same.
5199 (debug_iteration_domains): Same.
5200 (print_scattering_function): Same.
5201 (print_scattering_functions): Same.
5202 (debug_scattering_function): Same.
5203 (debug_scattering_functions): Same.
5204 * graphite-poly.h (debug_pdr): Update declaration.
5206 (print_pbb_domain): Same.
5208 (print_scop_context): Same.
5210 (print_cloog): Same.
5211 (debug_pbb_domain): Same.
5215 (debug_scop_context): Same.
5217 (debug_cloog): Same.
5218 (print_scop_params): Same.
5219 (debug_scop_params): Same.
5220 (print_iteration_domain): Same.
5221 (print_iteration_domains): Same.
5222 (debug_iteration_domain): Same.
5223 (debug_iteration_domains): Same.
5224 (print_scattering_function): Same.
5225 (print_scattering_functions): Same.
5226 (debug_scattering_function): Same.
5227 (debug_scattering_functions): Same.
5229 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5231 * graphite-poly.c (print_scattering_function_1): New.
5232 (print_scattering_function): Call it.
5233 (print_scop_params): Remove spaces at the end of lines.
5236 * graphite-poly.h (print_cloog): Declared.
5237 (debug_cloog): Declared.
5239 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5241 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
5243 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
5244 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
5245 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
5246 to switch between adding the IV bump in loop->latch or in loop->header.
5248 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5250 * graphite-poly.c (print_scattering_function): Pretty print following
5253 (print_pbb_domain): Same.
5254 (dump_gbb_cases): Same.
5255 (dump_gbb_conditions): Same.
5258 (print_scop_params): Same.
5259 (print_scop_context): Same.
5261 (print_pbb_body): New.
5262 (lst_indent_to): New.
5263 (print_lst): Start new lines with a #.
5264 * graphite-poly.h (pbb_bb): New.
5265 (pbb_index): Use pbb_bb.
5266 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
5268 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
5270 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5272 * dwarf2out.c (size_of_die): For -gdwarf-4 use
5273 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
5274 and 0 instead of 1 for dw_val_class_flag.
5275 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
5276 dw_val_class_range_list, dw_val_class_loc_list,
5277 dw_val_class_lineptr and dw_val_class_macptr, use
5278 DW_FORM_flag_present for dw_val_class_flag and
5279 DW_FORM_exprloc for dw_val_class_loc.
5280 (output_die): For -gdwarf-4 print dw_val_class_loc
5281 size as uleb128 instead of 1 or 2 bytes and don't print
5282 anything for dw_val_class_flag.
5284 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
5285 instead of cselib_lookup following by tweaking locs->setting_insn.
5288 * cselib.c (cselib_process_insn): Clear cselib_current_insn
5289 even before returning from label, setjmp call or volatile asm
5292 2010-03-31 Richard Guenther <rguenther@suse.de>
5295 * cgraphunit.c (cgraph_output_in_order): Do not allocate
5296 temporary data on stack.
5298 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5300 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
5301 (PUSHSECTION_ASM_OP): Remove.
5302 (POPSECTION_ASM_OP): Remove.
5303 (PUSHSECTION_FORMAT): Remove.
5304 * config/sol2.h (PUSHSECTION_FORMAT): Define.
5305 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
5306 * config/sol2.c (solaris_output_init_fini): Use it.
5308 2010-03-31 Jie Zhang <jie@codesourcery.com>
5311 * opt-functions.awk (var_type_struct): Use signed char type
5312 for simple variables.
5314 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5316 * config/sol2.c: Include output.h.
5317 (solaris_assemble_visibility): New function.
5318 * config/t-sol2 (sol2.o): Add output.h dependency.
5319 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
5320 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
5323 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5326 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
5327 V2SImode or XFmode on PRE_DEC.
5330 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
5333 2010-03-31 Jie Zhang <jie@codesourcery.com>
5336 * reload.h (caller_save_initialized_p): Declare.
5337 * toplev.c (backend_init_target): Don't call
5338 init_caller_save but set caller_save_initialized_p to false.
5339 * caller-save.c (caller_save_initialized_p): Define.
5340 (init_caller_save): Check caller_save_initialized_p.
5341 * ira.c (ira): Call init_caller_save if flag_caller_saves.
5343 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5346 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
5347 and soft-fp/t-softfp to tmake_file.
5348 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
5349 (LIBGCC2_TF_CEXT): Define.
5352 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
5355 * cselib.c (n_useless_values): Document handling of debug locs.
5356 (n_useless_debug_values, n_debug_values): New variables.
5357 (new_elt_loc_list): Don't add to debug values, keep count.
5358 (promote_debug_loc): New.
5359 (cselib_reset_table): Zero new variables.
5360 (entry_and_rtx_equal_p): Promote debug locs.
5361 (discard_useless_locs): Increment n_useless_debug_values for
5363 (remove_useless_values): Adjust n_useless_values and n_debug_values
5364 with n_useless_debug_values.
5365 (add_mem_for_addr): Promote debug locs.
5366 (cselib_lookup_mem): Likewise.
5367 (cselib_lookup_addr): Renamed to...
5368 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
5369 (cselib_log_lookup): ... this. Turn into...
5370 (cselib_lookup_addr): ... new wrapper.
5371 (cselib_lookup_from_insn): New.
5372 (cselib_invalidate_regno): Increment n_useless_debug_values for
5374 (cselib_invalidate_mem): Likewise.
5375 (cselib_process_insn): Take n_deleted and n_debug_values into
5376 account to guard remove_useless_value call.
5377 (cselib_finish): Zero n_useless_debug_values.
5378 * cselib.h (cselib_lookup_from_insn): Declare.
5379 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
5380 (sched_analyze_2): Likewise.
5382 2010-03-30 Jakub Jelinek <jakub@redhat.com>
5384 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
5386 (adjust_mems): Replace narrowing SUBREG of expression containing
5387 just PLUS, MINUS, MULT and ASHIFT of registers and constants
5388 with operations in the narrower mode.
5391 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
5392 regs_invalidated_by_call instead all call_used_reg_set registers.
5394 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
5397 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
5398 pointer comparisons with types_compatible_p.
5399 * tree-vect-stmts.c (vectorizable_call): Same.
5400 (vectorizable_condition): Same.
5402 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5404 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
5405 stack check if the mask would be zero.
5407 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5408 Jack Howarth <howarth@bromo.med.uc.edu>
5410 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5413 2010-03-30 Joseph Myers <joseph@codesourcery.com>
5416 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
5418 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
5419 Include ___unordxf2 and ___unordtf2.
5420 * config/i386/libgcc-glibc.ver: Do not define inheritance from
5423 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
5425 * config/lm32/t-lm32: New file.
5426 * config.gcc: Use the above file when targetting lm32.
5428 2010-03-28 Duncan Sands <baldrick@free.fr>
5430 * Makefile.in (PLUGIN_HEADERS): Add except.h.
5432 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5435 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
5436 Improve vectorization cost model diagnostic.
5438 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5441 * tree-vect-data-refs.c (vect_analyze_data_refs): When
5442 compute_data_dependences_for_loop returns false, early exit
5443 and output an extra diagnostic for the failed data reference
5446 2010-03-29 Richard Guenther <rguenther@suse.de>
5448 PR tree-optimization/43560
5449 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
5450 (can_sm_ref_p): Treat stores to readonly locations as trapping.
5452 2010-03-29 Jie Zhang <jie@codesourcery.com>
5455 * toplev.c (process_options): Set optimization_default_node
5456 and optimization_current_node.
5457 * opts.c (decode_options): Don't set optimization_default_node
5458 and optimization_current_node.
5460 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
5462 * config/rtems.h: Abandon -qrtems_debug.
5464 2010-03-28 Jan Hubicka <jh@suse.cz>
5466 PR tree-optimization/43505
5467 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
5468 map should not be copied.
5470 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5473 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
5474 cdtors, set DECL_PRESERVE_P.
5475 * ipa.c (cgraph_externally_visible_p): Return true if declaration
5478 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
5480 PR tree-optimization/43528
5481 * stor-layout.c (place_field): Check that constant fits into
5482 unsigned HWI when skipping calculation of MS bitfield layout.
5484 2010-03-27 Jan Hubicka <jh@suse.cz>
5487 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
5488 notice_global_symbol work.
5490 2010-03-27 Jakub Jelinek <jakub@redhat.com>
5492 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
5493 instead of dwarf2out_decl.
5494 (struct var_loc_node): Remove section_label field.
5495 (dwarf2out_function_decl): New function.
5496 (dwarf2out_var_location): Don't set section_label field.
5497 (dwarf2out_begin_function): Don't empty decl_loc_table here.
5499 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
5501 PR tree-optimization/43544
5502 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5503 First argument for builtin vectorized function hook is now a
5504 tree to be able to distinguish between machine specific and
5506 * targhooks.c (default_builtin_vectorized_function): Ditto.
5507 * targhooks.h (default_builtin_vectorized_function): Ditto.
5508 * target.h (struct gcc_target): Ditto.
5509 * tree-vect-stmts.c (vectorizable_function): Ditto.
5510 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
5511 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
5514 2010-03-26 Joseph Myers <joseph@codesourcery.com>
5517 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
5518 nested binding iff it is a FUNCTION_DECL.
5519 (store_parm_decls_newstyle): Pass nested=true to bind for
5520 FUNCTION_DECLs amongst parameters.
5522 2010-03-26 Jakub Jelinek <jakub@redhat.com>
5524 * var-tracking.c (vt_expand_loc_callback): Don't run
5525 cselib_expand_value_rtx_cb in dummy mode if
5526 cselib_dummy_expand_value_rtx_cb returned false.
5528 * var-tracking.c (emit_note_insn_var_location): For one part
5529 notes with offset 0, don't add EXPR_LIST around the location.
5530 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
5531 add_location_or_const_value_attribute): Adjust for that change.
5534 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
5535 into first operand and location into second.
5536 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
5537 dw_cfi_oprnd_loc for DW_CFA_expression.
5538 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
5539 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
5540 assume first argument is regnum and second argument is location.
5542 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
5545 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
5546 of scratch register to DImode. Split to DImode comparison operator.
5547 Use SImode subreg of scratch register in the multiplication.
5548 (*cmp_sadd_sidi): Ditto.
5549 (*cmp_ssub_si): Ditto.
5550 (*cmp_ssub_sidi): Ditto.
5552 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
5555 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
5556 Remove invalid assert and wrong comment.
5558 2010-03-26 Jakub Jelinek <jakub@redhat.com>
5561 * flags.h (final_insns_dump_p): New extern.
5562 * final.c (final_insns_dump_p): New variable.
5563 (rest_of_clean_state): Set it before -fdump-final-insns=
5564 dumping, clear afterwards.
5565 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
5566 MEM_ALIAS_SET on MEMs.
5568 2010-03-26 David S. Miller <davem@davemloft.net>
5570 * configure.ac: Fix sparc GOTDATA_OP bug check.
5571 * configure: Rebuild.
5573 2010-03-26 Alan Modra <amodra@gmail.com>
5575 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
5577 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5579 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
5580 TLS_SECTION_ASM_FLAG.
5582 2010-03-25 Jakub Jelinek <jakub@redhat.com>
5585 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
5586 Clear first_function_block_is_cold.
5589 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
5590 argument if the argument is truth_value_p.
5592 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
5594 * config/rs6000/constraints.md: Update copyright year for my changes.
5597 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
5598 used in reg+reg addressing, swap registers.
5600 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5603 * target.h (struct gcc_target): Add code_end hook.
5604 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
5606 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
5607 * toplev.c (compile_file): Call targetm.asm_out.code_end
5608 hook before unwind info/debug info output.
5609 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
5610 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
5611 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5612 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
5613 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5614 * config/i386/i386.c (ix86_file_end): Renamed to...
5615 (ix86_code_end): ... this. Make static. Don't call
5616 file_end_indicate_exec_stack. Emit unwind info using
5617 final_start_function/final_end_function.
5618 (darwin_x86_file_end): Remove.
5619 (TARGET_ASM_CODE_END): Define.
5620 * config/i386/i386.h (TARGET_ASM_FILE_END,
5621 NEED_INDICATE_EXEC_STACK): Don't define.
5622 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
5623 (TARGET_ASM_FILE_END): Define to darwin_file_end.
5624 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
5625 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
5628 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
5629 at the beginning and final_end_function at the end.
5630 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
5632 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5634 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
5635 and Sun as TLS syntax.
5636 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
5637 * configure: Regenerate.
5638 * config.in: Regenerate.
5639 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
5640 (default_elf_asm_named_section): Use it.
5641 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
5642 (i386_output_dwarf_dtprel): Likewise.
5643 (output_addr_const_extra): Likewise.
5644 (output_pic_addr_const): Lowercase @GOTTPOFF.
5645 (output_addr_const_extra): Likewise.
5646 (output_pic_addr_const): Lowercase @GOTNTPOFF.
5647 (output_addr_const_extra): Likewise.
5648 (output_pic_addr_const): Lowercase @INDNTPOFF.
5649 (output_addr_const_extra): Likewise.
5650 (output_pic_addr_const): Lowercase @NTPOFF.
5651 (output_addr_const_extra): Likewise.
5652 (output_pic_addr_const): Lowercase @TPOFF.
5653 (output_addr_const_extra): Likewise.
5654 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
5655 (*tls_global_dynamic_64): Likewise.
5656 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
5657 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
5659 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
5660 (ASM_OUTPUT_TLS_COMMON): Use it.
5661 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
5664 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
5665 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
5666 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
5667 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
5668 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5669 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
5671 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5673 * config/i386/i386.c (override_options): Don't accept
5674 -mtls-dialect=sun any longer.
5675 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
5676 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
5677 (*tls_local_dynamic_base_32_sun): Likewise.
5678 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5680 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5683 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5684 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
5687 * ira.c (adjust_cleared_regs): New function.
5688 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
5692 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
5694 * expr.c (expand_expr_real): Restore previous
5695 curr_insn_source_location and curr_insn_block after
5696 expand_expr_real_1 call.
5697 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
5698 instead of expand_expr_real_1.
5700 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
5702 PR rtl-optimization/43413
5703 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
5706 2010-03-22 James E. Wilson <wilson@codesourcery.com>
5709 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
5710 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
5712 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
5714 * config/i386/i386.c (ix86_target_string): Add -mfma.
5715 Fix a typo in comment.
5717 2010-03-22 Mike Stump <mikestump@comcast.net>
5720 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5721 Don't overly align based upon packed packed fields.
5723 2010-03-22 Jason Merrill <jason@redhat.com>
5725 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
5726 Use () rather than [], and move before the element type.
5728 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5730 * doc/configfiles.texi (Configuration Files): Removed
5731 fixinc/Makefile*, intl/Makefile.*.
5732 * doc/makefile.texi: Fixed markup. Abstract from version
5733 control system used.
5734 (Makefile): Removed obsolete gcc/java/parse.y example.
5735 * doc/sourcebuild.texi: Likewise.
5736 (Top Level): Added config, gnattools, libdecnumber, libgcc,
5737 libgomp, libssp. Removed fastjar.
5738 (Miscellaneous Docs): Clarify location.
5739 Added COPYING3, COPYING3.LIB.
5740 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
5742 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5745 * config/i386/i386.c (x86_function_profiler)
5746 [!NO_PROFILE_COUNTERS]: Fix typo.
5747 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
5750 2010-03-22 Janis Johnson <janis187@us.ibm.com>
5751 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5753 * doc/sourcebuild.texi (Test Directives): Split into six
5754 subsections, with most of the current text in new subsections
5755 Directives, Selectors, and Final Actions.
5756 (Directives): Split list of test directives into multiple
5758 (Selectors): Describe use and syntax of selectors.
5759 (Effective-Target Keywords): Describe all existing keywords.
5760 (Add Options): Describe features for dg-add-options.
5761 (Require Support): Describe variants of dg-require-support.
5762 (Final Actions): Describe commands to use in dg-final.
5764 2010-03-22 Michael Matz <matz@suse.de>
5767 * recog.c (validate_replace_rtx_group): Replace also in
5768 REG_EQUAL and REG_EQUIV notes.
5770 2010-03-22 Richard Guenther <rguenther@suse.de>
5772 PR tree-optimization/43390
5773 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
5774 sure vector extracts are type correct.
5776 2010-03-22 Richard Guenther <rguenther@suse.de>
5779 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
5780 x * sqrt (x) even when optimizing for size if the target
5781 has native support for sqrt.
5783 2010-03-22 Jakub Jelinek <jakub@redhat.com>
5785 * varasm.c (make_decl_rtl_for_debug): Also clear
5786 flag_mudflap for the duration of make_decl_rtl call.
5789 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
5790 locs from preserved VALUEs.
5792 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5795 * pa.md (movmemsi): Set align to one if zero.
5796 (movmemdi): Likewise.
5798 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
5801 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
5802 with their corresponding prologue pushes.
5804 2010-03-20 Andrew Pinski <pinskia@gmail.com>
5807 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
5808 at the begining or end.
5809 (spu_expand_epilogue): Likewise.
5811 2010-03-20 Richard Guenther <rguenther@suse.de>
5813 PR rtl-optimization/43438
5814 * combine.c (make_extraction): Properly zero-/sign-extend an
5815 extraction of the low part of a CONST_INT. Also handle
5818 2010-03-19 Mike Stump <mikestump@comcast.net>
5820 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
5821 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
5822 (override_options): Use SUBTARGET32_DEFAULT_CPU.
5824 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5827 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
5830 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
5832 PR rtl-optimization/42258
5833 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
5834 use that may match DEF.
5837 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
5838 the cost of loading the constant rather than assuming
5840 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
5841 outer code is AND, do the same tests as the andsi3 expander and
5842 return COSTS_N_INSNS (1) if and is cheap.
5844 * optabs.c (avoid_expensive_constant): Fix formatting.
5846 2010-03-19 Michael Matz <matz@suse.de>
5849 * attribs.c (decl_attributes): When rebuilding a function pointer
5850 type use the same qualifiers as the original pointer type.
5852 2010-03-19 Martin Jambor <mjambor@suse.cz>
5854 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
5855 and is_gimple_ip_invariant_address.
5857 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5860 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5862 * config/arm/arm.c (arm_override_options): Turn off
5863 flag_dwarf2_cfi_asm for AAPCS variants.
5865 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5868 * config/arm/arm.c (emit_multi_reg_push): Update comments.
5869 Use PRE_MODIFY instead of PRE_DEC.
5870 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
5871 (vfp_emit_fstmd): Likewise.
5873 2010-03-19 Michael Matz <matz@suse.de>
5876 * builtins.c (expand_builtin_interclass_mathfn,
5877 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
5880 2010-03-19 Richard Guenther <rguenther@suse.de>
5882 PR tree-optimization/43415
5883 * tree-ssa-pre.c (phi_translate): Split out worker to ...
5884 (phi_translate_1): ... this.
5885 (phi_translate): Move all caching here. Cache all NARY
5886 and REFERENCE translations.
5888 2010-03-19 David S. Miller <davem@davemloft.net>
5890 With help from Eric Botcazou.
5891 * config/sparc/sparc.c: Include dwarf2out.h.
5892 (emit_pic_helper): Delete.
5893 (pic_helper_symbol_name): Delete.
5894 (pic_helper_emitted_p): Delete.
5895 (pic_helper_needed): New.
5896 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
5897 (get_pc_thunk_name): New.
5898 (load_pic_register): Remove 'delay_pic_helper' arg. Use
5899 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
5900 Set pic_helper_needed to true. Don't call emit_pic_helper.
5901 (sparc_expand_prologue): Update load_pic_register call.
5902 (sparc_output_mi_thunk): Likewise.
5903 (sparc_file_end): Emit a hidden comdat symbol for the PIC
5904 thunk if possible. Output CFI information as needed.
5906 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5907 Jack Howarth <howarth@bromo.med.uc.edu>
5910 * config/i386/i386.h: Fix ABI on darwin x86-32.
5912 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
5914 * tree.h: Declare make_decl_rtl_for_debug.
5915 * varasm.c (make_decl_rtl_for_debug): New.
5916 * dwarf2out.c (rtl_for_decl_location): Call it.
5917 * cfgexpand.c (expand_debug_expr): Call it.
5919 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5922 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
5926 * var-tracking.c (vt_init_cfa_base): Do nothing if
5927 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
5929 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
5932 * var-tracking.c (canonicalize_vars_star): New.
5933 (dataflow_post_merge_adjust): Use it.
5935 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5938 * var-tracking.c (non_suitable_const): New function.
5939 (add_uses): For DEBUG_INSNs with constants, don't record any
5940 value, instead just the constant value itself.
5941 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
5942 is not VAR_LOC_UNKNOWN_P, set var to the constant.
5943 (emit_notes_in_bb): Likewise.
5944 (emit_note_insn_var_location): For onepart variables if
5945 cur_loc is a VOIDmode constant, use DECL_MODE.
5947 2010-03-18 Martin Jambor <mjambor@suse.cz>
5950 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
5951 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
5952 all non-clones. Moved call redirection...
5953 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
5954 (cgraph_materialize_all_clones): Dispose of all
5955 combined_args_to_skip bitmaps.
5956 (verify_cgraph_node): Do not check for edges pointing to wrong
5957 nodes in inline clones.
5958 * tree-inline.c (copy_bb): Call
5959 cgraph_redirect_edge_call_stmt_to_callee.
5960 * ipa.c (cgraph_remove_unreachable_nodes): Call
5961 cgraph_node_remove_callees even when there are used clones.
5963 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5965 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
5967 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5970 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
5973 2010-03-18 Michael Matz <matz@suse.de>
5976 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
5977 into sqrt(x) if we need to preserve signed zeros.
5979 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
5980 Eric Botcazou <ebotcazou@adacore.com>
5982 PR rtl-optimization/43360
5983 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
5984 note if we don't know its invariant status.
5986 2010-03-18 Michael Matz <matz@suse.de>
5988 PR tree-optimization/43402
5989 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
5990 PHI chains of ssa names registered for update.
5992 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
5995 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
5996 non-offsettable and pre_modify update addressing.
5997 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
5998 and "2" alternatives "#".
5999 (*movdd_softfloat32): Make all alternatives "#";
6000 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
6001 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
6002 (*movdf_softfloat32): Make all alternatives "#";
6003 (movdi): Use the new DIFD mode iterator to create a common splitter
6004 for movdi, movdf and movdd patterns.
6006 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
6008 * common.opt (dumpdir): Remove redundant tab.
6010 2010-03-17 Martin Jambor <mjambor@suse.cz>
6012 PR tree-optimization/43347
6013 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
6014 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
6016 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
6018 PR rtl-optimization/42216
6019 * regrename.c (create_new_chain): New function, broken out from...
6020 (scan_rtx_reg): ... here. Call it. Handle the case where we are
6021 appending a use to an empty chain.
6022 (build_def_use): Remove previous changes that convert OP_INOUT to
6023 OP_OUT operands; instead detect the case where an OP_INOUT operand
6024 uses a previously untracked register and create an empty chain for it.
6026 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6028 * doc/extend.texi (Function Attributes): Rewrite unfinished
6029 sentence in ms_abi documentation.
6031 2010-03-17 Alan Modra <amodra@gmail.com>
6033 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
6034 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
6035 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
6036 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
6038 2010-03-16 Richard Henderson <rth@redhat.com>
6041 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
6042 (lower_try_finally): Save and restore eh_seq around the expansion
6045 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
6047 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
6048 statements before splitting block.
6050 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6052 * doc/sourcebuild.texi (Testsuites): Fix markup.
6053 Use pathnames relative to gcc/testsuite.
6054 (Test Directives): Move description of how timeout is determined.
6055 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
6056 (C Tests): Correct gcc.misc-tests directory.
6057 Framework tests now live in gcc.test-framework.
6059 2010-03-16 Richard Guenther <rguenther@suse.de>
6062 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
6063 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
6065 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
6066 Alexandre Oliva <aoliva@redhat.com>
6068 PR tree-optimization/42917
6069 * lambda-code.c (remove_iv): Skip debug statements.
6070 (lambda_loopnest_to_gcc_loopnest): Likewise.
6071 (not_interesting_stmt): Debug statements are not interesting.
6073 2010-03-16 Jakub Jelinek <jakub@redhat.com>
6077 * cselib.c (cselib_preserve_constants,
6078 cfa_base_preserved_val): New static variables.
6079 (preserve_only_constants): New function.
6080 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
6081 clear its REG_VALUES. If cselib_preserve_constants, don't
6082 empty the whole hash table, but preserve there VALUEs with constants,
6083 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
6084 (cselib_preserve_cfa_base_value): New function.
6085 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
6086 (cselib_init): Change argument to int bitfield. Set
6087 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
6089 (cselib_finish): Clear cselib_preserve_constants and
6090 cfa_base_preserved_val.
6091 * cselib.h (enum cselib_record_what): New enum.
6092 (cselib_init): Change argument to int.
6093 (cselib_preserve_cfa_base_value): New prototype.
6094 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
6095 * dse.c (dse_step1): Likewise.
6096 * cfgcleanup.c (thread_jump): Likewise.
6097 * sched-deps.c (sched_analyze): Likewise.
6098 * gcse.c (local_cprop_pass): Likewise.
6099 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
6100 If FN is non-NULL, call the callback always and whenever it returns
6101 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
6102 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
6103 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
6104 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
6105 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
6106 * var-tracking.c: Include recog.h.
6107 (bb_stack_adjust_offset): Remove.
6108 (vt_stack_adjustments): Don't call it, instead just gather the
6109 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
6110 (adjust_stack_reference): Remove.
6111 (compute_cfa_pointer): New function.
6112 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
6113 (struct adjust_mem_data): New type.
6114 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
6116 (get_address_mode): New function.
6117 (replace_expr_with_values): Use it.
6118 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
6119 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
6120 (adjust_sets): Remove.
6121 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
6122 Use get_address_mode.
6123 (get_adjusted_src): Remove.
6124 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
6125 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
6126 (add_with_sets): Don't call adjust_sets.
6127 (fp_setter, vt_init_cfa_base): New functions.
6128 (vt_initialize): Change return type to bool. Move most of pool etc.
6129 initialization to the beginning of the function from end. Pass
6130 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
6131 If !frame_pointer_needed, call vt_stack_adjustment before mos
6132 vector is filled, call vt_init_cfa_base if argp/framep has been
6133 eliminated to sp. If frame_pointer_needed and argp/framep has
6134 been eliminated to hard frame pointer, set
6135 hard_frame_pointer_adjustment and call vt_init_cfa_base after
6136 encountering fp setter in the prologue. For MO_ADJUST, call
6137 log_op_type before pusing the op into mos vector, not afterwards.
6138 Call adjust_insn before cselib_process_insn/add_with_sets,
6139 call cancel_changes (0) afterwards.
6140 (variable_tracking_main_1): Adjust for vt_initialize calling
6141 vt_stack_adjustments and returning whether it succeeded or not.
6143 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
6145 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
6148 2010-03-15 Jakub Jelinek <jakub@redhat.com>
6150 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
6152 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
6153 drap_reg has not been set.
6155 2010-03-15 Michael Matz <matz@suse.de>
6158 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
6159 use it to expand block copies.
6160 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
6161 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
6162 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
6164 2010-03-15 Richard Guenther <rguenther@suse.de>
6166 PR tree-optimization/43367
6167 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
6170 2010-03-15 Richard Guenther <rguenther@suse.de>
6172 PR tree-optimization/43317
6173 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
6175 2010-03-15 Martin Jambor <mjambor@suse.cz>
6177 PR tree-optimization/43141
6178 * tree-sra.c (create_abstract_origin): New function.
6179 (modify_function): Call create_abstract_origin.
6181 2010-03-15 Chris Demetriou <cgd@google.com>
6183 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
6186 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6189 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
6190 call insert_out_of_ssa_copy for default definitions.
6192 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6194 * graphite-clast-to-gimple.c (my_long_long): Defined.
6195 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
6196 * graphite-sese-to-poly.c (my_long_long): Defined.
6197 (scop_ivs_can_be_represented): Use it.
6199 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6201 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
6202 graphite-max-bbs-per-function, and loop-block-tile-size.
6203 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
6205 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
6207 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6209 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
6210 forward declaration.
6211 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
6212 (add_upper_bounds_from_estimated_nit): New.
6213 (build_loop_iteration_domains): Use it.
6215 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6217 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
6219 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6222 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
6223 should be an INTEGER_CST. Also handle CASE_CONVERT.
6225 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6227 * graphite.c (graphite_initialize): To bound the number of bbs per
6228 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
6229 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
6230 * doc/invoke.texi: Document it.
6232 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6234 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
6235 * graphite-sese-to-poly.h (build_poly_scop): Same.
6237 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6239 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
6240 the number of parameters in the scop. Use as an upper bound
6241 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
6242 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
6243 * doc/invoke.texi: Document it.
6245 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
6247 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
6248 * doc/c-tree.texi: Remove.
6249 * doc/generic.texi: Merge c-tree.texi here.
6250 * doc/gccint.texi (Trees): Remove menu entry.
6251 (c-tree.texi): Remove @include.
6252 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
6253 * doc/languages.texi (Reading RTL): Ditto.
6255 2010-03-12 Steve Ellcey <sje@cup.hp.com>
6258 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
6260 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
6263 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
6264 code added to work around reload clobbering CONST insns.
6266 2010-03-12 Jakub Jelinek <jakub@redhat.com>
6268 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
6269 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
6270 (cselib_preserve_only_values): Remove retain argument, don't
6271 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
6272 * cselib.h (cselib_preserve_only_values): Remove retain argument.
6273 * var-tracking.c (micro_operation): Move insn field before union.
6274 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
6275 (struct variable_tracking_info_def): Remove n_mos field, change
6276 mos into a vector of micro_operations.
6277 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
6278 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
6279 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
6280 changing into a vector.
6281 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
6282 come before all other uops generated by add_stores.
6283 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
6285 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
6286 a vector. Run just one pass over the bbs instead of separate counting
6287 and computation phase.
6288 (vt_finalize): Free VTI (bb)->mos vector instead of array.
6291 * tree-inline.c (remap_decls): Put old_var rather than origin_var
6292 into *nonlocalized_list vector.
6293 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
6294 even if origin is non-NULL.
6295 (gen_variable_die): Likewise.
6296 (process_scope_var): Don't change origin.
6297 (gen_decl_die): Likewise.
6298 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
6299 before adding new edges instead of after it, fix moving over
6302 2010-03-11 David S. Miller <davem@davemloft.net>
6304 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
6306 * configure: Rebuild.
6308 2010-03-11 Martin Jambor <mjambor@suse.cz>
6310 PR tree-optimization/43257
6311 * tree.c (assign_assembler_name_if_neeeded): New function.
6312 (free_lang_data_in_cgraph): Assembler name assignment moved to the
6314 * tree.h (assign_assembler_name_if_neeeded): Declare.
6315 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
6316 the function if needed.
6318 2010-03-11 Chris Demetriou <cgd@google.com>
6320 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
6321 include/stdint-gcc.h, and include/stdint.h world-readable.
6323 2010-03-11 Richard Guenther <rguenther@suse.de>
6325 PR tree-optimization/43255
6326 * tree-vrp.c (process_assert_insertions_for): Do not insert
6327 asserts for trivial conditions.
6329 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6331 PR tree-optimization/43280
6332 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
6333 generation. Move calculation of size out of the if branch.
6334 (find_bswap): Modify compare number generation.
6336 2010-03-11 Richard Guenther <rguenther@suse.de>
6339 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
6340 (input_gimple_stmt): Fixup handled component types during
6341 operand read. Also fix up decls in ADDR_EXPRs.
6343 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
6345 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
6346 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
6348 2010-03-10 Jan Hubicka <jh@suse.cz>
6351 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
6352 * varasm.c (get_variable_section): Don't do that here...
6353 (make_decl_rtl): ... and here.
6354 (do_assemble_alias): Produce decl RTL.
6355 (assemble_alias): Likewise.
6357 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6360 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
6361 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
6363 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
6364 (based_loc_descr): Only express drap or vdrap regno based expressions
6365 using DW_OP_fbreg when not optimizing.
6366 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
6367 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
6368 REG_CFA_SET_VDRAP note.
6370 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
6372 PR tree-optimization/43236
6373 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
6374 error in calculation of base address in reverse iteration case.
6375 (generate_builtin): Take number of latch executions if the statement
6378 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
6381 * tree-eh.c: Include pointer-set.h.
6382 (lower_eh_dispatch): Filter out duplicate case labels and
6383 remove the unneeded edge when the label is unused. Return
6384 true when some edges are removed.
6385 (execute_lower_eh_dispatch): When any lowering resulted in
6386 removing an edge, also delete unreachable blocks.
6388 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6391 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
6392 UNSPEC_MACHOPIC_OFFSET.
6394 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
6397 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
6398 (m68k_delegitimize_address): New function.
6400 2010-03-09 Jakub Jelinek <jakub@redhat.com>
6403 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
6406 * var-tracking.c (adjust_sets): New function.
6407 (count_with_sets, add_with_sets): Use it.
6408 (get_adjusted_src): New inline function.
6409 (add_stores): Use it.
6412 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
6413 call cselib_dummy_expand_value_rtx_cb instead of
6414 cselib_expand_value_rtx_cb.
6417 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
6418 * config/i386/i386.c: Include debug.h and dwarf2out.h.
6419 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
6420 and .cfi_endproc around the pic thunks.
6421 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
6422 all queued unwind info register saves are saved before the call.
6423 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
6424 considered as sp-=4 for unwind info and the pop as sp+=4 which
6425 also clobbers dest, but doesn't actually restore it.
6428 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
6429 RTX_FRAME_RELATED_P.
6431 2010-03-09 Jie Zhang <jie@codesourcery.com>
6433 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
6434 whitespaces in output template.
6436 2010-03-09 Jie Zhang <jie@codesourcery.com>
6438 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
6441 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6443 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
6444 builtins.exp in a separate job.
6446 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6448 * graphite-sese-to-poly.c (add_param_constraints): Use
6449 lower_bound_in_type and upper_bound_in_type.
6451 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6453 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
6454 instead of unsigned_type_node.
6456 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6457 Reza Yazdani <reza.yazdani@amd.com>
6460 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
6461 on pointer type parameters.
6463 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6467 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
6468 handle conversions from pointer to integers.
6469 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
6470 induction variable, to be able to work with code generated by CLooG.
6471 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
6472 (build_poly_scop): Bail out if we cannot codegen a loop.
6474 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6476 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
6477 code generation with gloog_error.
6479 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6481 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
6482 Call fold_convert on all the returned values.
6483 (expand_scalar_variables_expr): Pass to
6484 expand_scalar_variables_ssa_name the type of the resulting expression.
6486 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6488 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
6489 ppl_min_for_le_pointset.
6490 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
6491 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
6493 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6495 * graphite-dependences.c (map_into_dep_poly): Removed.
6496 (dependence_polyhedron_1): Use combine_context_id_scat.
6498 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6500 * graphite-poly.h (struct poly_scattering): Add layout documentation.
6501 (struct poly_bb): Same.
6502 (combine_context_id_scat): New.
6504 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6507 * sese.c (name_defined_in_loop_p): Return false for default
6510 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6512 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
6513 and clean up the logic.
6515 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6517 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
6520 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6522 * var-tracking.c (remove_cselib_value_chains): Define only for
6524 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
6525 delete_slot_part, emit_notes_for_differences_1): Don't call
6526 remove_cselib_value_chains here.
6527 (set_slot_part, emit_notes_for_differences_2): Don't call
6528 add_cselib_value_chains here.
6529 (preserved_values): New vector.
6530 (preserve_value): New function.
6531 (add_uses, add_stores, vt_add_function_parameters): Use it
6532 instead of cselib_preserve_value.
6533 (changed_values_stack): New vector.
6534 (check_changed_vars_0): New function.
6535 (check_changed_vars_1, check_changed_vars_2): Use it.
6536 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
6537 changed_values_stack VALUEs.
6538 (vt_emit_notes): For all preserved_values call
6539 add_cselib_value_chains. If ENABLE_CHECKING call
6540 remove_cselib_value_chains before verifying value_chains is empty.
6541 Initialize and free changed_values_stack.
6542 (vt_initialize): Initialize preserved_values.
6543 (vt_finalize): Free preserved_values.
6545 2010-03-08 Richard Guenther <rguenther@suse.de>
6547 PR tree-optimization/43269
6548 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
6551 2010-03-08 Martin Jambor <mjambor@suse.cz>
6553 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
6554 (ipa_is_param_called): Removed.
6555 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
6556 (ipa_print_node_params): Do not print the called flag.
6557 (ipa_write_node_info): Do not stream the called flag.
6558 (ipa_read_node_info): Likewise.
6560 2010-03-07 Jakub Jelinek <jakub@redhat.com>
6563 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
6564 * cselib.c (struct expand_value_data): Add dummy field.
6565 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
6567 (cselib_dummy_expand_value_rtx_cb): New function.
6568 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
6570 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
6571 * var-tracking.c: Include pointer-set.h.
6572 (variable): Change n_var_parts to char from int. Add
6573 cur_loc_changed and in_changed_variables fields.
6574 (variable_canonicalize): Remove.
6575 (shared_var_p): New inline function.
6576 (unshare_variable): Maintain cur_loc_changed and
6577 in_changed_variables fields. If var was in changed_variables,
6578 replace it there with new_var. Just copy cur_loc instead of
6579 resetting it to something else.
6580 (variable_union): Don't recompute cur_loc. Use shared_var_p.
6581 (dataflow_set_union): Don't call variable_canonicalize.
6582 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
6583 of their DEBUG_EXPR_TREE_DECLs.
6584 (canonicalize_loc_order_check): Verify that cur_loc is NULL
6585 and in_changed_variables and cur_loc_changed is false.
6586 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
6587 and cur_loc_changed. Don't update cur_loc here.
6588 (variable_merge_over_src): Don't call variable_canonicalize.
6589 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
6590 removing loc that is equal to cur_loc, clear cur_loc,
6591 set cur_loc_changed and ensure variable_was_changed is called.
6592 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
6593 compare pointers in cur_loc check, if it is equal to loc,
6594 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
6595 (variable_different_p): Remove compare_current_location argument,
6596 don't compare cur_loc.
6597 (dataflow_set_different_1): Adjust variable_different_p caller.
6598 (variable_was_changed): If dv had some var in changed_variables
6599 already, reset in_changed_variables flag for it and propagate
6600 cur_loc_changed over to the new variable. On empty var
6601 always set cur_loc_changed. Set in_changed_variables on whatever
6602 var is added to changed_variables.
6603 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
6604 Use shared_var_p. When removing loc that is equal to cur_loc,
6605 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
6606 end, don't set it to something else, just call variable_was_changed.
6607 (delete_slot_part): Use shared_var_p. When cur_loc equals to
6608 loc being removed, clear cur_loc and set cur_loc_changed.
6609 Set cur_loc_changed if all locations have been removed.
6610 (struct expand_loc_callback_data): New type.
6611 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
6612 allocated. Always create SUBREGs if simplify_subreg failed.
6613 Prefer to use cur_loc, when that fails and still in
6614 changed_variables (and seen first time) recompute it. Set
6615 cur_loc_changed of variables which had to change cur_loc and
6616 compute elcd->cur_loc_changed if any of the subexpressions used
6617 had to change cur_loc.
6618 (vt_expand_loc): Adjust to pass arguments in
6619 expand_loc_callback_data structure.
6620 (vt_expand_loc_dummy): New function.
6621 (emitted_notes): New variable.
6622 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
6623 that weren't used for any other decl in current
6624 emit_notes_for_changes call call vt_expand_loc_dummy to update
6625 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
6626 first loc_chain location if NULL before. Always use just
6627 cur_loc instead of first loc_chain location. When cur_loc_changed
6628 is false, when not --enable-checking=rtl just don't emit any note.
6629 When rtl checking, compute the note and assert it is the same
6630 as previous note. Clear cur_loc_changed and in_changed_variables
6631 at the end before removing from changed_variables.
6632 (check_changed_vars_3): New function.
6633 (emit_notes_for_changes): Traverse changed_vars to call
6634 check_changed_vars_3 on each changed var.
6635 (emit_notes_for_differences_1): Clear cur_loc_changed and
6636 in_changed_variables. Recompute cur_loc of new_var.
6637 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
6638 (vt_emit_notes): Initialize and destroy emitted_notes.
6640 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
6642 PR rtl-optimization/42220
6643 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
6644 Use verify_reg_tracked to determine if we should use OP_OUT rather
6646 (build_def_use): If we see an in-out operand for a register that we
6647 know nothing about, treat is an output if possible, fail the block if
6650 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6653 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
6656 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6659 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
6660 uses of relevant DEFs that are dead outside the loop too.
6662 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6664 * var-tracking.c (dataflow_set_merge): Swap src and src2.
6666 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6668 * var-tracking.c (values_to_unmark): New variable.
6669 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6670 values_to_unmark vector. Moved body to...
6671 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6672 instead queue it into values_to_unmark vector.
6673 (vt_find_locations): Free values_to_unmark vector.
6675 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
6677 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
6678 (site.exp): Export them when plugins are enabled.
6680 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
6683 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
6685 (chrec_fold_multiply): Same.
6687 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
6690 * c-decl.c (build_compound_literal): Return early if init is
6693 2010-03-04 Martin Jambor <mjambor@suse.cz>
6695 PR tree-optimization/43164
6696 PR tree-optimization/43191
6697 * tree-sra.c (type_consists_of_records_p): Reject records with
6698 zero-size bit-fields at the end.
6700 2010-03-04 Mike Stump <mikestump@comcast.net>
6702 * Makefile.in (TAGS): Remove *.y.
6704 2010-03-04 Richard Guenther <rguenther@suse.de>
6706 PR tree-optimization/40761
6707 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
6709 (my_rev_post_order_compute): New function.
6710 (init_pre): Call it.
6712 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
6715 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
6716 decrease the cost of an IV candidate when the cost is infinite.
6718 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6720 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
6721 Use '3DNow!' for the extension of that name, ensure normal space
6723 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
6725 2010-03-03 Jeff Law <law@redhat.com>
6727 * PR middle-end/32693
6728 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
6729 than gen_rtx_SUBREG.
6730 (extract_bit_field_1): Likewise.
6732 2010-03-03 Janis Johnson <janis187@us.ibm.com>
6734 * doc/sourcebuild.texi (Test directives): Document that arguments
6735 include-opts and exclude-opts are now optional for dg-skip-if,
6736 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
6738 2010-03-03 Jason Merrill <jason@redhat.com>
6741 * cgraph.h (varpool_node): Add extra_name field.
6742 * varpool.c (varpool_extra_name_alias): New.
6743 (varpool_assemble_decl): Emit extra name aliases.
6744 (varpool_mark_needed_node): Look past an extra name alias.
6745 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
6746 * lto-streamer-in.c (lto_input_tree): Read it.
6747 * lto-streamer-out.c (output_unreferenced_globals): Write it.
6749 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
6751 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
6752 (sparc*-*-solaris2*): ...this.
6754 2010-03-03 Jakub Jelinek <jakub@redhat.com>
6757 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
6758 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
6759 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
6760 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
6763 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
6764 fallthrough to default handling, just with want_address 0 instead of 2.
6765 For single element lists, add_AT_loc directly, otherwise create an
6766 artificial variable DIE and stick location list to it.
6769 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
6770 (VAL_EXPR_HAS_REVERSE): Define.
6771 (reverse_op): New function.
6772 (add_stores): For reversible operations add an extra MO_VAL_USE.
6774 2010-03-02 Jason Merrill <jason@redhat.com>
6776 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
6778 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
6780 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
6781 (sparc64-*-linux*): Likewise.
6782 (sparc64-*-solaris2*): Include assembler files before linker ones.
6783 (sparc-*-solaris2*): Simplify and reorder to match previous case.
6784 * config/sparc/gas.h: Delete.
6785 * config/sparc/sol2-64.h: Add copyright notice.
6786 * config/sparc/sol2-gas-bi.h: Likewise.
6787 * config/sparc/sol2-gld.h: Likewise.
6788 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
6789 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
6790 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
6791 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
6792 (sparc_elf_asm_named_section): Rename into...
6793 (sparc_solaris_elf_asm_named_section): ...this. Always define.
6795 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
6797 * config/alpha/alpha.c (override_options): Fix -mtune error message.
6799 2010-03-02 Jeff Law <law@redhat.com>
6802 * reload1.c (rtx_p, substitute_stack): Declare.
6803 (substitute): Record addresses of changed rtxs.
6804 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
6805 Restore the original rtx when complete.
6806 (reload): Free subsitute_stack when complete.
6808 2010-03-02 Janis Johnson <janis187@us.ibm.com>
6810 * doc/gccint.texi (menu): Add Testsuites as a chapter.
6811 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
6813 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
6814 LTO Testing, gcov Testing, profopt Testing, compat Testing,
6815 Torture Tests): Change from subsection to section.
6817 2010-03-02 Jakub Jelinek <jakub@redhat.com>
6818 Steven Bosscher <steven@gcc.gnu.org>
6820 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
6823 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
6826 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
6827 the assignment from the new induction variable to the assignment
6828 of the value from the original loop PHI function.
6830 2010-03-01 Janis Johnson <janis187@us.ibm.com>
6831 Daniel Jacobowitz <dan@codesourcery.com>
6833 * doc/sourcebuild.texi (Test directives): Clarify options to
6836 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6838 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
6839 Disable cfi directives unless GCC and gas agree on using read-only
6840 .eh_frame sections for 64-bit.
6841 * configure: Regenerate.
6843 2010-03-01 Richard Guenther <rguenther@suse.de>
6845 PR tree-optimization/43220
6846 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
6847 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
6849 2010-03-01 Richard Guenther <rguenther@suse.de>
6850 Martin Jambor <mjambor@suse.cz>
6853 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
6854 gimplified parameters.
6856 2010-03-01 Christian Bruel <christian.bruel@st.com>
6858 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
6860 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
6862 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
6864 2010-03-01 Richard Guenther <rguenther@suse.de>
6867 * expr.c (expand_assignment): Use the alias-oracle to tell
6868 if the rhs aliases the result decl.
6870 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6873 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
6874 to sol_gt_pch_get_address.
6875 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
6876 64-bit, SPARC and x86.
6877 (sol_gt_pch_get_address): New function.
6879 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
6881 * toplev.h (inform_n, error_n): Declare.
6882 * diagnostic.c (inform_n, error_n): New function.
6884 2010-03-01 Jakub Jelinek <jakub@redhat.com>
6886 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
6887 has no rtl yet when processing local_decls, queue it and recheck
6888 if deferred stack allocation hasn't assigned it rtl.
6890 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
6892 * config/sh/sh.c (unspec_bbr_uid): New.
6893 (gen_block_redirect): Use it instead of INSN_UID.
6894 (gen_far_branch): Likewise.
6896 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
6898 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
6899 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
6901 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6903 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
6904 (Warning Options): -Wno-conversion-null is valid for
6905 Objective-C++ as well.
6906 * doc/tm.texi (Named Address Spaces): Likewise.
6907 * doc/plugins.texi (Plugins): Replace TABs with spaces.
6908 * doc/tree-ssa.texi (Tree SSA): Likewise.
6910 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6913 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
6914 by default. Don't set the default arch for
6915 i[34567]86-*-darwin*|x86_64-*-darwin*.
6917 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6920 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
6921 default. Set the default 32bit/64bit archs with $with_arch
6922 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
6924 2010-02-27 Richard Guenther <rguenther@suse.de>
6926 PR tree-optimization/43186
6927 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
6928 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
6929 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
6930 unroller iterations.
6932 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6934 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
6935 required and i[34567]86-*-* targets don't support 64bit ISA.
6937 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
6940 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6943 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6945 * config.gcc: Set the default arch at least to Prescott for
6946 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
6947 if SSE math is enabled.
6949 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6951 * diagnostic.c (diagnostic_initialize): Update.
6952 (diagnostic_report_diagnostic): Test inhibit_notes_p for
6954 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
6955 (diagnostic_inhibit_notes): New.
6956 * toplev.c (process_options): inhibit notes with -fcompare-debug.
6958 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6961 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
6962 * doc/standards.texi: Likewise.
6963 * doc/extend.texi: Likewise.
6964 * doc/trouble.texi: Likewise.
6965 * doc/cppopts.texi: Likewise.
6966 * doc/install.texi: Likewise.
6967 * c.opt (std=c90,std=gnu90): New options.
6968 * c-opts.c (c_common_handle_option): Handle them.
6970 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6973 * c-decl.c (undeclared_variable): Use an informative note.
6975 2010-02-26 Richard Guenther <rguenther@suse.de>
6977 PR tree-optimization/43186
6978 * gimple.h (gimple_fold): Remove.
6979 * gimple.c (gimple_fold): Remove. Inline into single user ...
6980 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
6981 Try harder for conditions.
6983 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6986 * function.c (used_types_insert): Don't skip through named pointer
6987 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
6988 and it is different from the main variant's type.
6990 2010-02-26 Nick Clifton <nickc@redhat.com>
6992 * config/rx/rx.md (sminsi3): Remove bogus alternative.
6994 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6996 * config.gcc: Support --with-fpmath=sse for x86.
6998 * config/i386/ssemath.h: New.
7000 * doc/install.texi (--with-fpmath=sse): Documented.
7002 2010-02-26 Richard Guenther <rguenther@suse.de>
7004 PR tree-optimization/43188
7005 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
7006 vector types of over-aligned element type.
7008 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
7011 * config/i386/i386.c (expand_vec_perm_blend): Use correct
7012 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
7014 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
7016 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
7018 2010-02-26 Jakub Jelinek <jakub@redhat.com>
7020 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
7021 * var-tracking.c: Include diagnostic.h.
7022 (debug_dv): New function.
7023 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
7026 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
7027 (add_value_chain, add_value_chains, remove_value_chain,
7028 remove_value_chains): Handle DEBUG_EXPRs.
7029 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
7032 * regcprop.c (struct queued_debug_insn_change): New type.
7033 (struct value_data_entry): Add debug_insn_changes field.
7034 (struct value_data): Add n_debug_insn_changes field.
7035 (debug_insn_changes_pool): New variable.
7036 (free_debug_insn_changes, apply_debug_insn_changes,
7037 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
7038 (kill_value_one_regno): Call free_debug_insn_changes if needed.
7039 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
7041 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
7043 (copyprop_hardreg_forward_1): Don't call apply_change_group for
7044 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
7045 changes, call cprop_find_used_regs via note_stores.
7046 (copyprop_hardreg_forward): When copying vd from predecessor
7047 which has any queued DEBUG_INSN changes, make sure the pointers are
7048 cleared. At the end call df_analyze and then if there are any
7049 DEBUG_INSN changes queued at the end of some basic block for still
7050 live registers, apply them.
7051 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
7053 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
7055 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
7058 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
7060 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
7061 targets. Set the default with_cpu/with_arch from arch/cpu.
7062 Allow x86-64 and native for with_cpu/with_arch.
7064 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
7066 * ebitmap.c: Change calls to verify_popcount with calls to
7067 sbitmap_verify_popcount.
7068 (ebitmap_clear_bit): Fixed map->cacheindex test and
7069 map>cache update when bit clearing results in an empty
7072 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
7075 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
7076 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
7077 and support both V2DF and V2DI modes.
7078 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
7079 support both V2DF and V2DI modes.
7080 (general): Delete trailing whitespace from a few patterns.
7082 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7083 V2DF/V2DI interleave high/low builtins.
7085 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
7088 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
7089 interleave high/low functions.
7091 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
7093 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
7094 #pragma extern_prefix.
7096 2010-02-25 Jakub Jelinek <jakub@redhat.com>
7099 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
7100 BLKmode, assert op0 is a MEM and just adjust its mode.
7103 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
7104 if bitpos isn't multiple of mode's bitsize.
7106 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7108 * c.opt (-ftemplate-depth=): New.
7109 (-ftemplate-depth-): Deprecate.
7110 * optc-gen.awk: Handle -ftemplate-depth=.
7111 * opth-gen.awk: Likewise.
7112 * c-opts.c (c_common_handle_option): Likewise.
7113 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
7115 2010-02-24 Jason Merrill <jason@redhat.com>
7117 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
7119 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7121 * cfg.c (alloc_aux_for_block): Remove inline.
7122 (alloc_aux_for_edge): Likewise.
7124 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7126 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
7128 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7130 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
7131 * config/i386/sol2-gas.h: New file.
7132 * config.gcc (i[34567]86-*-solaris2*): Use it.
7134 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7137 * c-typeck.c (ep_convert_and_check): New.
7138 (build_conditional_expr): Use it.
7139 (build_binary_op): Likewise.
7141 2010-02-24 Jakub Jelinek <jakub@redhat.com>
7143 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
7146 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
7147 bounds even for -O+.
7148 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
7149 expr needs to have DECL_NAME set.
7151 2010-02-24 Nick Clifton <nickc@redhat.com>
7153 * config/mep/mep.c: Include gimple.h.
7154 (mep_function_uses_sp): Delete unused function.
7155 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
7156 parameters. Use unsigned integers to count args. Return a
7157 NULL_RTX instead of an error_mark_node. Toidy up formatting.
7159 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7162 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
7163 greater or equal to nelt instead of 2 * nelt.
7164 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
7167 2010-02-23 Jason Merrill <jason@redhat.com>
7170 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
7171 in cfun->local_decls even if they have register types.
7174 * stor-layout.c (place_field): Don't warn about unnecessary
7175 DECL_PACKED if the type is packed.
7177 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7180 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
7181 GOTOFF relocs, even when the base reg isn't pic pointer.
7183 2010-02-23 Michael Matz <matz@suse.de>
7186 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
7187 (expand_gimple_basic_block): Generate and use debug temps if there
7188 are debug uses left after the last real use of TERed ssa names.
7189 Unlink debug immediate uses when they are expanded.
7191 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
7194 * config/i386/i386.c (override_options): Reorganise to provide
7195 better error messages.
7197 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7200 * graphite-scop-detection.c (create_single_exit_edge): Move
7201 the call to find_single_exit_edge to....
7202 (create_sese_edges): ...here. Don't handle multiple edges
7203 exiting the function.
7204 (build_graphite_scops): Don't handle multiple edges
7205 exiting the function.
7207 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7210 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
7211 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
7213 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7216 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
7218 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
7221 * c-typeck.c (convert_arguments): Print declaration location.
7222 * c-common.c (validate_nargs): Rename as
7223 builtin_function_validate_nargs.
7224 (check_builtin_function_arguments): Update.
7226 2010-02-22 Richard Guenther <rguenther@suse.de>
7229 * tree-inline.c (declare_return_variable): Use the type of
7230 the call stmt lhs if available.
7232 2010-02-22 Duncan Sands <baldrick@free.fr>
7234 * passes.c (register_pass): Always consider all pass lists when
7235 ref_pass_instance_number is zero.
7237 2010-02-22 Richard Guenther <rguenther@suse.de>
7239 PR tree-optimization/42749
7240 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
7241 parameter. Do arithmetic in the original type.
7242 (update_accumulator_with_ops): Likewise.
7243 (adjust_accumulator_values): Adjust.
7245 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7247 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
7248 (QI to BLKmode splitter): New splitter.
7250 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
7252 * config/i386/i386.c (initial_ix86_tune_features): Turn on
7253 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
7255 2010-02-22 Richard Guenther <rguenther@suse.de>
7257 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
7259 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
7261 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
7262 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
7263 ($(T)crti.o, $(T)crtn.o): Remove rules.
7265 2010-02-21 Tobias Burnus <burnus@net-b.de>
7268 * doc/invoke.texi (-fassociative-math): Document that this
7269 option is automatically enabled for Fortran.
7271 2010-02-20 David S. Miller <davem@davemloft.net>
7273 * configure.ac: Test if linker and assembler properly support
7274 GOTDATA_OP relocations.
7275 * configure: Rebuild.
7276 * config.in: Likewise.
7277 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
7278 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
7279 (movsi_high_pic): Likewise.
7280 (movdi_lo_sum_pic): Likewise.
7281 (movdi_high_pic): Likewise.
7282 (movsi_pic_gotdata_op): New pattern.
7283 (movdi_pic_gotdata_op): Likewise.
7284 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
7285 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
7287 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
7290 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
7291 attribute to ssemul.
7292 (xop_mulv2div2di3_high): Ditto.
7294 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7297 * c.opt (Wconversion-null): New option.
7298 * doc/invoke.texi (Wconversion-null): Document.
7300 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7302 * common.opt (Wlarger-than-): Add Undocumented.
7304 2010-02-19 Mike Stump <mikestump@comcast.net>
7306 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
7308 2010-02-19 Jason Merrill <jason@redhat.com>
7311 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
7312 * configure: Likewise.
7314 2010-02-20 Alan Modra <amodra@gmail.com>
7317 * cgraph.h (cgraph_make_decl_local): Declare.
7318 * cgraph.c (cgraph_make_decl_local): New function.
7319 (cgraph_make_node_local): Use it.
7320 * cgraphunit.c (cgraph_function_versioning): Likewise.
7321 * ipa.c (function_and_variable_visibility): Likewise.
7323 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7326 * except.c (sjlj_emit_function_enter): Don't call
7327 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
7329 * rtl.h (add_reg_br_prob_note): Remove prototype.
7331 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
7334 * c-common.c (conversion_warning): Remove widening conversions
7335 before checking the conversion of integers to reals.
7337 2010-02-19 Mike Stump <mikestump@comcast.net>
7340 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
7343 * cgraphunit.c (process_function_and_variable_attributes): Check
7344 DECL_PRESERVE_P instead of looking up attribute "used".
7345 * ipa-pure-const.c (check_decl): Likewise.
7346 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
7347 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
7348 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
7349 instead of attribute "used".
7350 * config/sol2-c.c (solaris_pragma_init): Likewise.
7351 (solaris_pragma_fini): Likewise.
7353 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7355 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
7356 Use XCNEW instead of xcalloc.
7357 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
7358 XNEW instead of xmalloc.
7359 (get_fields): Use XNEWVEC instead of xmalloc.
7362 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
7363 populate vars array.
7364 (create_new_general_access): For debug stmts just reset value.
7365 (get_stmt_accesses): For accesses within debug stmts just record them
7366 using add_access_to_acc_sites instead of preventing the peeling or
7367 counting them as accesses.
7370 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
7372 2010-02-19 Richard Guenther <rguenther@suse.de>
7374 PR tree-optimization/42916
7375 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
7378 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
7380 * configure.ac: Replace all uses of changequote in macro arguments
7381 with proper quoting.
7383 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7386 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
7388 2010-02-19 Richard Guenther <rguenther@suse.de>
7390 PR tree-optimization/42944
7391 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
7392 test for aliasing with errno.
7394 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7397 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
7398 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
7399 * dojump.c: Include output.h.
7400 (inv): New inline function.
7401 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
7402 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
7403 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
7404 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
7405 argument, pass it down to other calls.
7406 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
7407 add REG_BR_PROB note to the conditional jump.
7408 * cfgexpand.c (add_reg_br_prob_note): Removed.
7409 (expand_gimple_cond): Don't call it, add the probability
7410 as last argument to jumpif_1/jumpifnot_1.
7411 * Makefile.in (dojump.o): Depend on output.h.
7412 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
7414 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
7415 * stmt.c (do_jump_if_equal): Likewise.
7416 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
7417 * loop-unswitch.c (compare_and_jump_seq): Likewise.
7418 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
7420 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
7421 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
7422 jumpifnot_1 callers.
7423 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
7425 (store_expr): Adjust jumpifnot caller.
7426 (store_constructor): Adjust jumpif caller.
7429 * gimplify.c (gimple_boolify): For __builtin_expect call
7430 gimple_boolify also on its first argument.
7432 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
7434 * configure.ac (gnu-unique-object): Wrap regexps using [] in
7436 (__stack_chk_fail): Ditto. Remove quadrigraphs.
7437 * configure: Regenerated.
7439 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7441 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
7442 lang_hooks.types_compatible_p instead of comptypes.
7444 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
7446 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
7447 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
7448 if __prefer_thumb__ is defined.
7450 2010-02-18 Martin Jambor <mjambor@suse.cz>
7452 PR tree-optimization/43066
7453 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
7454 array with zero-sized element type.
7456 2010-02-18 Jakub Jelinek <jakub@redhat.com>
7458 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
7459 rtx, allocate struct var_loc_node here and return it to the
7460 caller, and only if it is actually needed.
7461 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
7462 move it earlier and return immediately if it returns NULL.
7464 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
7466 * config/sparc/gas.h: New file. Restore
7467 TARGET_ASM_NAMED_SECTION to its ELF default.
7468 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
7470 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7471 Likewise. Add ATTRIBUTE_UNUSED to prototype.
7472 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
7473 after sparc/sysv4.h.
7475 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
7477 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
7479 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
7481 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
7482 patterns from predicated pattern.
7484 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
7487 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
7488 for insn mnemonic suffix.
7490 2010-02-17 Richard Guenther <rguenther@suse.de>
7492 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
7495 2010-02-17 Jakub Jelinek <jakub@redhat.com>
7498 * caller-save.c (save_call_clobbered_regs): If BB ends with
7499 a DEBUG_INSN, move any notes in between last real insn and the last
7500 DEBUG_INSN after the last DEBUG_INSN.
7502 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
7504 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
7505 Fix return type. Fix argument type. Explain meaning of return value.
7507 2010-02-16 Richard Guenther <rguenther@suse.de>
7509 PR tree-optimization/41043
7510 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
7511 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
7513 (vrp_visit_phi_node): ... but only for loop PHI nodes.
7515 2010-02-16 Ira Rosen <irar@il.ibm.com>
7517 PR tree-optimization/43074
7518 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
7519 * tree-vect-loop.c (vect_analyze_loop_operations): Add
7520 vectorizable cycles in hybrid SLP check.
7521 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
7523 2010-02-16 Richard Guenther <rguenther@suse.de>
7525 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
7526 (true_dependence): If memrefs_conflict_p computes must-alias
7527 trust it. Move TBAA check after offset-based disambiguation.
7528 (canon_true_dependence): Likewise.
7530 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
7532 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
7533 * doc/invoke.texi: Document it.
7534 * var-tracking.c: Include toplev.h and params.h.
7535 (vt_find_locations): Return bool indicating success. Compute
7536 hash sizes unconditionally. Check new parameter, report.
7537 (variable_tracking_main_1): Check vt_find_locations results and
7538 retry. Renamed from...
7539 (variable_tracking_main): ... this. New wrapper to preserve
7540 flag_var_tracking_assignments.
7541 * Makefile.in (var-tracking.o): Adjust dependencies.
7543 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
7544 Jakub Jelinek <jakub@redhat.com>
7547 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
7548 if weak_import attribute is present.
7549 * config/darwin.c (machopic_select_section): Likewise.
7551 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
7553 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
7554 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
7555 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
7556 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
7558 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
7561 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
7564 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
7565 Rewrite text to refer to the names.
7567 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
7569 * config/i386/i386-builtin-types.def
7570 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
7571 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
7572 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
7573 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
7574 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
7575 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
7576 IX86_BUILTIN_VPERMIL2PS256.
7577 (MULTI_ARG_4_DF2_DI_I): Defined.
7578 (MULTI_ARG_4_DF2_DI_I1): Defined.
7579 (MULTI_ARG_4_SF2_SI_I): Defined.
7580 (MULTI_ARG_4_SF2_SI_I1): Defined.
7581 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
7582 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
7583 __builtin_ia32_vpermil2ps256.
7584 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7585 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7586 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
7587 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7588 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7589 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
7590 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
7591 CODE_FOR_xop_vpermil2v8sf3.
7592 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
7593 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
7594 * config/i386/xopintrin.h (_mm_permute2_pd): New.
7595 (_mm256_permute2_pd): New.
7596 (_mm_permute2_ps): New.
7597 (_mm256_permute2_ps): New.
7599 2010-02-15 Nick Clifton <nickc@redhat.com>
7601 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
7602 boolean parameters. Use emit_jump_insn when emitting a pop
7603 instruction containing a return insn.
7604 (push): Use 'true' rather than '1' as second parameter to F.
7605 (h8300_expand_prologue): Likewise.
7606 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
7607 (h8300_expand_epilogue): Likewise.
7609 2010-02-15 Richard Guenther <rguenther@suse.de>
7612 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
7615 2010-02-15 Nick Clifton <nickc@redhat.com>
7617 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
7620 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
7622 * intl.c (fake_ngettext): New function.
7623 * intl.h (fake_ngettext): Declare.
7624 (ngettext): Define macro.
7625 * collect2.c (notice_translated): New function.
7626 (main): Use notice_translated and ngettext.
7627 * collect2.h (notice_translated): Declare.
7629 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
7631 * reorg.c (delete_computation): Comment fixes.
7632 * caller-save.c (setup_save_areas): Idem.
7633 * sel-sched-dump.c (dump_lv_set): Idem.
7636 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7638 * config/s390/s390.c (s390_sched_init): New function.
7639 (TARGET_SCHED_INIT): Target hook defined.
7641 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
7642 Jack Howarth <howarth@bromo.med.uc.edu>
7643 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
7646 Partial revert of unintended change in fix for PR41605.
7647 * config/darwin.h: Fix typo.
7648 * config/darwin9.h: Same.
7650 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7652 * c-pch.c (pch_init): Clear v.
7654 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7657 * graphite-scop-detection.c (graphite_can_represent_scev): Call
7658 graphite_can_represent_init for MULT_EXPR.
7660 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7664 * graphite-sese-to-poly.c (remove_phi): New.
7665 (translate_scalar_reduction_to_array): Call remove_phi.
7667 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7670 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
7671 * graphite-clast-to-gimple.h (gloog): Update declaration.
7672 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
7673 * graphite-poly.h (struct poly_bb): Add missing comments.
7674 (struct scop): Add poly_scop_p field.
7676 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
7677 * graphite.c (graphite_transform_loops): Build the polyhedral
7678 representation for each scop before code generation.
7679 * sese.c (rename_variables_in_operand): Removed.
7680 (rename_variables_in_expr): Return the renamed expression.
7681 (rename_sese_parameters): New.
7682 * sese.h (rename_sese_parameters): Declared.
7684 2010-02-11 Richard Guenther <rguenther@suse.de>
7686 PR tree-optimization/42998
7687 * tree-ssa-pre.c (create_expression_by_pieces): Treat
7688 POINTER_PLUS_EXPR properly.
7690 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7691 Changpeng Fang <changpeng.fang@amd.com>
7694 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
7695 the cost of an IV candidate when the IV is used in a test against zero.
7697 * gcc.dg/tree-ssa/ivopts-3.c: New.
7699 2010-02-11 Richard Guenther <rguenther@suse.de>
7702 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
7703 pointer-vs-decl case by swapping refs. Handle some cases
7704 of pointer-vs-decl disambiguations more conservatively.
7705 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
7706 to false after expanding.
7708 2010-02-11 Richard Guenther <rguenther@suse.de>
7711 * gcc.c (process_command): Handle LTO file@offset case more
7714 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7716 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
7717 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
7719 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
7721 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
7722 if MEM's mode size isn't DWARF2_ADDR_SIZE.
7723 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
7724 Optimize eq/ne comparisons when both arguments are known to be
7726 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
7727 Don't mask operands unnecessarily if they are known to be already
7730 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
7732 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
7735 2010-02-10 Richard Guenther <rguenther@suse.de>
7737 PR tree-optimization/43017
7738 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
7739 for wrapping signed arithmetic.
7741 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7744 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
7745 if no debug info should be emitted for it.
7747 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
7749 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
7750 note when flag_exceptions is set.
7752 2010-02-10 Duncan Sands <baldrick@free.fr>
7754 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
7756 2010-02-10 Richard Guenther <rguenther@suse.de>
7759 * tree.c (get_unwidened): Handle constants.
7760 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
7762 2010-02-10 Martin Jambor <mjambor@suse.cz>
7765 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
7766 check for variable argument counts independently.
7768 2010-02-10 Christian Bruel <christian.bruel@st.com>
7771 * config/sh/sh.c (find_barrier): Increase length for non delayed
7772 conditional branches.
7774 2010-02-10 Christian Bruel <christian.bruel@st.com>
7776 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
7778 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7780 * builtins.c (set_builtin_user_assembler_name): Also handle
7781 ffs if int is smaller than word.
7783 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
7786 * ira-conflicts.c (get_dup): Remove.
7787 (process_reg_shuffles): Add new parameter. Use it as an
7788 additional guard for copy generation.
7789 (add_insn_allocno_copies): Rewrite.
7791 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
7793 * common.opt (fsched2-use-traces): Preserved for backward
7795 * doc/invoke.texi: Remove the documentation about option
7796 -fsched2-use-traces.
7797 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
7798 flag_sched2_use_traces.
7799 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
7800 the backward compatibility flag section.
7802 2010-02-09 Richard Guenther <rguenther@suse.de>
7804 PR tree-optimization/43008
7805 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
7806 make HEAP variables initialized from global memory if they
7807 are not known builtin functions.
7808 (find_func_aliases): Adjust.
7810 2010-02-09 Richard Guenther <rguenther@suse.de>
7812 PR tree-optimization/43000
7813 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
7814 arithmetic manually.
7816 2010-02-08 Jakub Jelinek <jakub@redhat.com>
7818 PR tree-optimization/42931
7819 * tree-loop-linear.c (try_interchange_loops): Don't call
7820 double_int_mul if estimated_loop_iterations failed.
7822 2010-02-08 Martin Jambor <mjambor@suse.cz>
7825 * tree-sra.c (build_accesses_from_assign): Do not mark in
7826 should_scalarize_away_bitmap if stmt has volatile ops.
7827 (sra_modify_assign): Do not process assigns piecemeal if if stmt
7830 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
7832 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
7834 2010-02-07 Adam Nemet <adambnmet@gmail.com>
7836 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
7839 2010-02-07 Andrew Pinski <pinskia@gmail.com>
7842 * df-core.c (df_finish_pass): Change type of saved_flags to int.
7844 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7847 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
7848 to unknown_dependence.
7849 (graphite_legal_transform_dr): Handle the unknown_dependence.
7850 (graphite_carried_dependence_level_k): Same.
7852 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7854 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
7856 2010-02-07 Richard Guenther <rguenther@suse.de>
7859 * expr.c (get_inner_reference): Always initialize *pbitsize.
7861 2010-02-07 Richard Guenther <rguenther@suse.de>
7864 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
7865 new ARRAY_REFs on variable size element or minimal index arrays.
7867 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
7868 gimple_fold_indirect_ref.
7870 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
7873 * arm.c (arm_override_options): Just return if the user has specified
7874 an invalid fpu name.
7876 2010-02-03 Jason Merrill <jason@redhat.com>
7879 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
7880 i386_pe_maybe_record_exported_symbol.
7882 2010-02-05 Steve Ellcey <sje@cup.hp.com>
7885 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7886 (pa_delegitimize_address): New function.
7888 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
7890 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
7891 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
7893 2010-02-05 Richard Guenther <rguenther@suse.de>
7896 * lto-streamer-in.c (get_resolution): Deal with references
7897 to undefined functions.
7899 2010-02-05 Richard Guenther <rguenther@suse.de>
7901 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
7902 (fold_const_aggregate_ref): Likewise.
7903 (ccp_fold_stmt): Substitute loads.
7904 (maybe_fold_reference): Verify types before substituting.
7906 (fold_gimple_assign): Unshare properly.
7907 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
7909 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
7911 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
7912 for rs6000_gen_cell_microcode.
7914 2010-02-04 Richard Guenther <rguenther@suse.de>
7916 PR rtl-optimization/42952
7917 * dse.c (const_or_frame_p): Remove MEM handling.
7919 2010-02-04 Nick Clifton <nickc@redhat.com>
7921 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
7922 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
7923 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
7924 (mn10300_asm_output_mi_thunk): New function.
7925 (mn10300_can_output_mu_thunk): New function.
7926 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
7927 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
7928 (FUNCTION_ARG): Delete incorrect comment.
7930 2010-02-03 Jason Merrill <jason@redhat.com>
7933 * fold-const.c (operand_equal_p): Handle erroneous types.
7935 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
7937 * config/h8300/h8300.md (can_delay): Fix attibute condition.
7939 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
7941 PR rtl-optimization/42941
7942 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
7945 2010-02-03 Jason Merrill <jason@redhat.com>
7948 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
7950 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
7953 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
7954 (cselib_reset_table): Renamed from...
7955 (cselib_reset_table_with_next_value): ... this.
7956 (cselib_get_next_uid): Renamed from...
7957 (cselib_get_next_unknown_value): ... this.
7958 * cselib.c (next_uid): Renamed from...
7959 (next_unknown_value): ... this.
7960 (cselib_clear_table): Adjust.
7961 (cselib_reset_table): Adjust. Renamed from...
7962 (cselib_reset_table_with_next_value): ... this.
7963 (cselib_get_next_uid): Adjust. Renamed from...
7964 (cselib_get_next_unknown_value): ... this.
7965 (get_value_hash): Use hash.
7966 (cselib_hash_rtx): Likewise.
7967 (new_cselib_val): Adjust. Set and dump uid.
7968 (cselib_lookup_mem): Pass next_uid as hash.
7969 (cselib_subst_to_values): Likewise.
7970 (cselib_log_lookup): Dump uid.
7971 (cselib_lookup): Pass next_uid as hash. Adjust.
7972 (cselib_process_insn): Adjust.
7973 (cselib_init): Initialize next_uid.
7974 (cselib_finish): Adjust.
7975 (dump_cselib_table): Likewise.
7976 * dse.c (canon_address): Dump value uid.
7977 * print-rtl.c (print_rtx): Print value uid.
7978 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
7980 (dv_uid): New function, sort of renamed from...
7981 (dv_htab_hash): ... this, reimplemented in terms of it and...
7982 (dv_uid2hash): ... this. New.
7983 (variable_htab_eq): Drop excess assertions.
7984 (tie_break_pointers): Removed.
7985 (canon_value_cmp): Compare uids.
7986 (variable_post_merge_New_vals): Print uids.
7987 (vt_add_function_parameters): Adjust.
7988 (vt_initialize): Reset table. Adjust.
7990 2010-02-03 Richard Guenther <rguenther@suse.de>
7992 PR tree-optimization/42944
7993 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
7994 (call_may_clobber_ref_p_1): Likewise. Properly handle
7995 malloc and calloc clobbering errno.
7997 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
7999 * doc/invoke.texi: Fix name of sched1 dump.
8001 * opts.c (decode_options): Set flag_tree_switch_conversion
8002 only conditionally on optimize >= 2.
8004 * gcse.c: Assorted comment fixes in pass description.
8006 2010-02-03 Anthony Green <green@moxielogic.com>
8008 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
8009 nop padding in order to maintain alignment of storage location of
8010 target function address.
8011 (moxie_trampoline_init): Store target function address at newly
8013 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
8015 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
8017 2010-02-03 Richard Guenther <rguenther@suse.de>
8020 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
8022 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8024 * config.gcc: Reenable check for obsolete targets.
8025 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
8026 mips-sgi-irix6.[0-4]*.
8028 2010-02-02 Nick Clifton <nickc@redhat.com>
8030 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
8031 constant size of 4 as being the same as 0.
8032 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
8033 can take values in the range 0..4.
8035 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
8038 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
8039 as _darwin10_Unwind_FindEnclosingFunction().
8040 * libgcc-libsystem.ver: New.
8042 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
8045 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
8046 implicitly set registers.
8048 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
8050 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
8051 (arm_override_options): Allow automatic selection of the thread
8052 pointer register if thumb2.
8053 (legitimize_pic_address): Improve code sequences for Thumb2.
8054 (arm_call_tls_get_addr): Likewise.
8055 (legitimize_tls_address): Likewise.
8056 * arm.md (pic_load_addr_arm): Delete. Replace with ...
8057 (pic_load_addr_32bit): ... this. New named pattern.
8058 * thumb2.md (pic_load_addr_thumb2): Delete.
8059 (pic_load_dot_plus_four): Delete.
8060 (tls_load_dot_plus_four): New named pattern.
8062 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8065 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
8066 Document fix for TLS bug.
8068 2010-01-31 Richard Guenther <rguenther@suse.de>
8070 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
8071 conservatively correct.
8073 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8077 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8079 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8081 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8083 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
8085 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
8087 * config.gcc: Adjust order of makefile fragments for mingw targets.
8089 2010-01-31 Richard Guenther <rguenther@suse.de>
8092 * gimplify.c (gimplify_init_constructor): For volatile LHS
8093 initialize a temporary.
8095 2010-01-31 Matthias Klose <doko@ubuntu.com>
8097 * configure.ac: Fix __stack_chk_fail check for cross builds configured
8099 * configure: Regenerate.
8101 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
8103 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
8104 the same alias set and their sizes different constantness.
8105 (aliasing_component_refs_p): Revert 2009-10-24 change.
8107 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8109 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
8112 2010-01-29 Richard Guenther <rguenther@suse.de>
8114 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
8115 Assert we successfully updated the call.
8117 2010-01-29 Jakub Jelinek <jakub@redhat.com>
8119 PR rtl-optimization/42889
8120 * df.h (df_set_bb_dirty_nonlr): New prototype.
8121 * df-core.c (df_set_bb_dirty_nonlr): New function.
8122 * df-scan.c (df_insn_rescan): Call it instead of
8123 df_set_bb_dirty for DEBUG_INSNs.
8125 2010-01-29 Richard Guenther <rguenther@suse.de>
8128 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
8129 quadratic behavior in most cases.
8131 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
8134 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
8135 in the call to gen_x86_movsicc_0_m1.
8137 2010-01-28 Richard Guenther <rguenther@suse.de>
8139 PR tree-optimization/42871
8140 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
8142 2010-01-28 Richard Guenther <rguenther@suse.de>
8144 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
8145 into call arguments.
8147 2010-01-28 Richard Guenther <rguenther@suse.de>
8150 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
8151 the forwarder if the destination is an EH landing pad.
8153 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
8155 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
8156 block list passed to gimple_duplicate_sese_tail.
8157 (parallelize_loops): Avoid parallelization when the function
8159 Avoid parallelization when the preheader is IRREDUCIBLE.
8160 Try to optimize when estimated_loop_iterations_int is unresolved.
8161 Add the loop's location to the dump file.
8162 * tree-cfg.c (add_phi_args_after_redirect): Remove.
8163 (gimple_duplicate_sese_tail): Remove the check for the latch.
8164 Redirect nexits to the exit block.
8165 Remove handling of the incoming edges to the latch.
8166 Redirect the backedge from the copied latch to the exit bb.
8168 2010-01-28 Michael Matz <matz@suse.de>
8171 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
8172 Wrap force_reg into a sequence, emit it before user.
8174 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
8176 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
8178 (arm_legacy_rev): Likewise.
8179 (thumb_legacy_rev): Likewise.
8181 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8183 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
8184 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
8185 on MEM's address failed, try avoid_constant_pool_reference and
8186 recurse if it returned something different.
8187 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
8188 address, try avoid_constant_pool_reference and recurse if it
8189 returned something different.
8190 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
8191 address and avoid_constant_pool_reference returned something
8192 different, don't set have_address.
8194 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
8197 * var-tracking.c (val_store): Add modified argument, obey it.
8199 (count_uses): Move down logging of main.
8200 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
8201 don't need resolution.
8202 (emit_notes_in_bb): Likewise.
8204 2010-01-27 Richard Guenther <rguenther@suse.de>
8207 * tree-inline.c (remap_decl): Delay remapping of SSA name
8208 default definitions until we need them.
8210 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8212 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8213 (rs6000_delegitimize_address): New function.
8215 * config/s390/s390.c (s390_delegitimize_address): Call
8216 delegitimize_mem_from_attrs.
8219 * tree-inline.c (cannot_copy_type_1): Removed.
8220 (copy_forbidden): Don't forbid copying of functions containing
8221 records/unions with variable length fields.
8223 2010-01-27 Christian Bruel <christian.bruel@st.com>
8227 * config/sh/sh.c (find_barrier): Increase length for non delayed
8228 conditional branches.
8230 2010-01-27 Matthias Klose <doko@ubuntu.com>
8232 * configure.ac (gnu-unique-object): Fix ldd version check.
8233 * configure: Regenerate.
8235 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8237 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
8239 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
8240 Test for HAVE_GNU_AS value.
8242 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8244 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
8245 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
8246 INT64_TYPE): Define.
8247 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
8248 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8249 INT_LEAST64_TYPE): Define.
8250 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
8251 UINT_LEAST64_TYPE): Define.
8252 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
8253 INT_FAST64_TYPE): Define.
8254 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8255 UINT_FAST64_TYPE): Define.
8256 (INTMAX_TYPE, UINTMAX_TYPE): Define.
8257 (INTPTR_TYPE, UINTPTR_TYPE): Define.
8258 (SIG_ATOMIC_TYPE): Define.
8260 2010-01-26 Richard Guenther <rguenther@suse.de>
8262 * df-scan.c (df_scan_set_bb_info): Remove assert.
8263 (df_insn_rescan_debug_internal): Merge asserts.
8264 (df_install_ref): Likewise.
8265 (df_mark_reg): Use bitmap_set_range.
8266 (df_hard_reg_used_p): Remove assert.
8267 (df_hard_reg_used_count): Likewise.
8269 2010-01-26 Richard Guenther <rguenther@suse.de>
8271 PR rtl-optimization/42685
8272 * web.c (web_main): Ignore DEBUG_INSNs.
8274 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
8276 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
8278 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
8279 Fix types of fndecl and arglist parameters.
8281 2010-01-26 Richard Guenther <rguenther@suse.de>
8284 * tree-eh.c (unsplit_eh): Skip debug insns.
8286 2010-01-26 Richard Guenther <rguenther@suse.de>
8288 PR tree-optimization/42250
8289 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
8291 2010-01-26 Jakub Jelinek <jakub@redhat.com>
8294 * omp-low.c (expand_omp_sections): Only use single_pred if
8295 l2_bb is single_pred_p.
8297 2010-01-25 Christian Bruel <christian.bruel@st.com>
8300 * config/sh/sh.c (find_barrier): Increase length for non delayed
8301 conditional branches.
8302 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
8304 2010-01-24 David S. Miller <davem@davemloft.net>
8306 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
8307 define if not using GAS.
8308 * config/sparc/sparc.c (sparc_elf_asm_named_section):
8309 Likewise. Delete SECTION_MERGE code, which is only applicable
8312 2010-01-24 Mark Mitchell <mark@codesourcery.com>
8315 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
8316 mangling of va_list in system headers.
8318 2010-01-23 Toon Moene <toon@moene.org>
8320 * tree-predcom.c (combine_chains): Return NULL, not false.
8322 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
8324 * tree-loop-distribution.c (distribute_loop): Fix declaration and
8325 initialization of variable res to agree with return type.
8327 2010-01-22 Steve Ellcey <sje@cup.hp.com>
8329 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
8330 * tree-sra.c: Add include of expr.h.
8332 2010-01-22 Jakub Jelinek <jakub@redhat.com>
8334 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
8335 insert the debug stmt on the single non-EH edge from the stmt.
8337 2010-01-22 Richard Henderson <rth@redhat.com>
8340 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
8341 the RHS until after generate_subtree_copies has insertted its
8342 code before the current statement.
8344 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
8346 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
8348 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
8350 2010-01-21 Martin Jambor <mjambor@suse.cz>
8352 PR tree-optimization/42585
8353 * tree-sra.c (struct access): New field grp_total_scalarization.
8354 (dump_access): Dump the new field.
8355 (should_scalarize_away_bitmap): New variable.
8356 (cannot_scalarize_away_bitmap): Likewise.
8357 (sra_initialize): Allocate new bitmaps.
8358 (sra_deinitialize): Free new bitmaps.
8359 (create_access_1): New function.
8360 (create_access): Parts moved to create_access_1.
8361 (type_consists_of_records_p): New function.
8362 (completely_scalarize_record): Likewise.
8363 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
8364 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
8365 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
8367 (analyze_all_variable_accesses): Completely scalarize small eligible
8370 2010-01-21 Martin Jambor <mjambor@suse.cz>
8372 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
8374 2010-01-21 Andrew Haley <aph@redhat.com>
8376 * gcc.c (process_command): Move lang_specific_driver before
8377 setting cc_libexec_prefix.
8379 2010-01-21 Richard Guenther <rguenther@suse.de>
8382 * fold-const.c (negate_expr_p): Pretend only negative
8383 real constants are easily negatable.
8385 2010-01-20 Janis Johnson <janis187@us.ibm.com>
8386 Jason Merrill <jason@redhat.com>
8388 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
8389 (TYPE_TRANSPARENT_AGGR): this, for union and record.
8390 * calls.c (initialize argument_information): Handle it.
8391 * c-common.c (handle_transparent_union_attribute): Use new name.
8392 * c-decl.c (finish_struct): Ditto.
8393 * c-typeck.c (type_lists_compatible_p): Ditto.
8394 (convert_for_assignment): Use new name and also handle record.
8395 * function.c (aggregate_value_p): Handle it.
8396 (pass_by_reference): Ditto.
8397 (assign_parm_data_types): Ditto.
8398 * print-tree.c (print_node): Ditto.
8399 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
8400 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
8401 * tree.c (first_field): New fn.
8403 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
8406 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
8407 even when linking statically, for now.
8409 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8412 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
8413 without a cselib val.
8414 (count_uses): Accept MO_VAL_SET with no val on stores.
8415 (add_stores): Likewise.
8417 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8419 * var-tracking.c (check_value_val): Add a compile time assertion.
8420 (dv_is_decl_p): Simplify.
8421 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
8422 gcc_assert if ENABLE_CHECKING.
8424 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8427 * var-tracking.c: Include tree-flow.h.
8428 (mem_dies_at_call): New.
8429 (dataflow_set_preserve_mem_locs): Use it.
8430 (dataflow_set_remove_mem_locs): Likewise.
8431 (dump_var): Renamed from dump_variable. Adjust all callers.
8432 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
8433 * Makefile.in (var-tracking.o): Adjust deps.
8435 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
8437 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
8439 2010-01-20 Richard Guenther <rguenther@suse.de>
8441 PR tree-optimization/42717
8442 * tree-ssa-dce.c (get_live_post_dom): Remove.
8443 (forward_edge_to_pdom): Take an arbitrary edge to copy
8444 degenerate PHI args from.
8445 (remove_dead_stmt): Use the first post-dominator even if it
8446 does not contain live statements as redirection destination.
8448 2010-01-20 Richard Guenther <rguenther@suse.de>
8450 * tree-inline.c (estimate_num_insns): Handle EH builtins.
8452 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8454 * sel-sched.c (create_speculation_check): Remove set but not used
8456 (try_transformation_cache): Remove set but not used variable ds.
8457 (calculate_privileged_insns): Remove set but not used variables
8458 cur_insn and min_spec_insn.
8459 (find_best_expr): Remove set but not used variable avail_n.
8460 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
8462 * cgraphunit.c (assemble_thunk): Remove set but not used variable
8464 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
8465 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
8468 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
8471 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
8472 cpu types. Add support for *-sse3 cpu types.
8473 (x86_64-*-*): Ditto.
8475 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8478 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
8479 argument, call initializer_constant_valid_p_1 instead of
8480 initializer_constant_valid_p, pass CACHE to it, return NULL
8481 immediately if first call returns NULL.
8482 (initializer_constant_valid_p_1): New function.
8483 (initializer_constant_valid_p): Use it.
8485 2010-01-20 Thomas Quinot <quinot@adacore.com>
8487 * tree.def (PLACEHOLDER_EXPR): Fix comment.
8489 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8491 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
8492 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
8493 (loc_list_from_tree): Don't handle unsigned division. Handle
8494 signed modulo using DW_OP_{over,over,div,mul,minus}.
8495 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
8496 modulo instead of signed.
8498 2010-01-20 DJ Delorie <dj@redhat.com>
8500 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
8502 (h8300_emit_stack_adjustment): Propogate it.
8504 (h8300_expand_prologue): Likewise.
8505 (h8300_expand_epilogue): Likewise.
8507 2010-01-19 Michael Matz <matz@suse.de>
8509 PR tree-optimization/41783
8510 * tree-data-ref.c (toplevel): Include flags.h.
8511 (dump_data_dependence_relation): Also dump the inputs if the
8512 result will be unknown.
8513 (split_constant_offset_1): Look through some conversions.
8514 * tree-predcom.c (determine_roots_comp): Restart a new chain if
8515 the offset from last element is too large.
8516 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
8517 (reassociate_to_the_same_stmt): Handle vector registers.
8518 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
8520 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
8521 wide_prolog_niters argument, emit widening instructions.
8522 (vect_do_peeling_for_alignment): Adjust caller, use widened
8523 variant of the iteration cound.
8524 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
8526 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
8529 * config/arm/neon-testgen.m (emit_automatics): New parameter
8530 features. Adjust for Fixed_return_reg feature.
8531 (test_intrinsic): Call emit_automatics with new feature.
8532 * config/arm/neon.ml: Update copyright years.
8533 (features): New Fixed_return_reg feature.
8534 (ops): Update feature for Vget_low.
8536 2010-01-19 Jakub Jelinek <jakub@redhat.com>
8538 PR tree-optimization/42719
8539 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
8543 * fwprop.c (all_uses_available_at): Return false if def_set dest
8544 is a REG that is used in def_insn.
8546 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
8548 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
8550 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
8553 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
8555 * target.h (struct gcc_target) <secondary_reload>: Change type
8556 of last argument to secondary_reload_info *.
8558 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
8561 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
8562 memory references with unaligned offsets. Remove CQImode handling.
8563 (unaligned_memory_operand): Return 1 for memory references with
8564 unaligned offsets. Remove CQImode handling.
8566 2010-01-18 Richard Guenther <rguenther@suse.de>
8569 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
8572 2010-01-18 Richard Guenther <rguenther@suse.de>
8574 PR tree-optimization/42781
8575 * tree-ssa-structalias.c (find_what_var_points_to): Skip
8576 restrict processing only if the original variable was artificial.
8578 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
8580 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
8581 find number of popped argument bytes.
8583 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
8584 Fix the text that describes the return value for invalid insns.
8586 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
8588 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
8589 Clarify what 'cost of the -dependence' is. Fix quoting.
8591 * toplev.c (default_get_pch_validity): Rename argument to "sz".
8592 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
8594 2010-01-17 Jakub Jelinek <jakub@redhat.com>
8596 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
8597 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
8599 2010-01-17 Richard Guenther <rguenther@suse.de>
8602 * function.c (split_complex_args): Take a VEC to modify.
8603 (assign_parms_augmented_arg_list): Build a VEC instead of
8604 a chain of PARM_DECLs.
8605 (assign_parms_unsplit_complex): Take a VEC of arguments.
8606 Do not fixup unmodified parms.
8607 (assign_parms): Deal with the VEC.
8608 (gimplify_parameters): Likewise.
8610 2010-01-17 Richard Guenther <rguenther@suse.de>
8612 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
8613 node existence check.
8614 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
8615 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
8616 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
8617 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
8618 (gimple_execute_on_growing_pred): Likewise.
8620 2010-01-17 Richard Guenther <rguenther@suse.de>
8622 PR tree-optimization/42773
8623 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
8624 (compute_antic_aux): Likewise.
8625 (compute_partial_antic_aux): Likewise.
8627 2010-01-17 Jie Zhang <jie.zhang@analog.com>
8630 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
8633 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
8635 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
8638 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
8639 Fix markup for strict argument.
8641 (TARGET_SCHED_REORDER2): Fix argument types.
8643 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
8644 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
8646 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
8647 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
8649 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
8652 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
8653 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
8654 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
8655 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
8656 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
8658 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
8660 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
8662 (TARGET_ASM_RELOC_RW_MASK): Add return type.
8663 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
8665 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
8667 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
8670 (TARGET_ASM_NAMED_SECTION): Fix argument list.
8672 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
8673 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
8675 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
8677 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
8679 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
8680 referring to it. Fix language.
8682 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
8684 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
8686 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
8688 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
8690 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
8691 '@var{stream}. Remove stray 'and'.
8693 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
8695 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
8697 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
8699 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
8700 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
8702 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
8703 Fix description of return value.
8704 Rename argument "sz" to "len."
8706 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
8707 Clarify meaning of 'true' return value.
8709 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
8711 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
8712 rep_mode versus mode_rep.
8714 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
8716 (TARGET_BUILTIN_DECL): Fix name.
8718 (TARGET_COMMUTATIVE_P): Fix type of first argument.
8720 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
8722 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
8724 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
8726 (TARGET_RELAXED_ORDERING): Use @deftypevr.
8728 (TARGET_GET_DRAP_RTX): Note that this is a hook.
8731 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
8732 Rename argument tm_fn to md_fn.
8734 (TARGET_OPTION_PRINT): Fix argument list.
8736 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
8739 * config/i386/i386.c (ix86_fixup_binary_operands):
8740 Revert FMA4 fixup of operands.
8742 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8745 * Makefile.in (write_entries_to_file, install-plugin):
8746 Use \012 instead of \n with tr.
8748 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
8750 * configure.ac (HAVE_AS_REF): New C macro.
8751 * configure: Regenerate.
8752 * config.in: Likewise.
8753 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
8755 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
8758 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
8760 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
8762 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
8764 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
8766 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
8768 (TARGET_IN_SMALL_DATA_P): Fix argument type.
8770 (TARGET_BINDS_LOCAL_P): Fix argument type.
8772 (TARGET_ASM_FILE_END): Use prototype.
8774 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
8776 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
8778 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
8780 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
8782 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
8783 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
8785 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
8786 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
8788 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
8789 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
8790 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
8791 (TARGET_ADDR_SPACE_CONVERT): Likewise.
8793 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
8795 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
8797 (TARGET_INIT_BUILTINS): Use prototype.
8799 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
8800 Put 'const char *' in braces. Fix parameter types.
8801 (TARGET_INVALID_CONVERSION): Fix parameter types.
8802 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
8803 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
8805 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
8808 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
8810 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
8812 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
8814 * doc/tm.texi (TARGET_HELP): Fix return type.
8816 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
8817 in braces. Fix argument types.
8819 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
8821 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
8823 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
8825 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
8826 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
8828 (TARGET_MANGLE_TYPE): Fix argument types.
8830 (TARGET_IRA_COVER_CLASSES): Use prototype.
8832 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
8834 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
8836 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
8838 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
8840 (TARGET_CALLEE_COPIES): Fix argument types.
8842 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
8844 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
8846 (TARGET_FUNCTION_VALUE): Fix argument types.
8848 (TARGET_RETURN_IN_MSB): Fix argument type.
8850 (TARGET_RETURN_IN_MEMORY): Fix argument types.
8852 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
8854 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
8856 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
8857 agree with return type.
8859 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
8861 2010-01-15 Jing Yu <jingyu@google.com>
8863 PR rtl-optimization/42691
8864 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
8865 a pseudo to a constant and are merged, and adjust comments.
8867 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
8869 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
8871 2010-01-15 Richard Guenther <rguenther@suse.de>
8874 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
8875 labels of computed or non-local gotos to the destination.
8876 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
8877 landing pad label is the first label.
8879 2010-01-15 Richard Guenther <rguenther@suse.de>
8881 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
8883 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8886 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
8887 to allow generation of the xssqrtdp instruction on power7.
8888 (sqrtdf2_fpr): Ditto.
8890 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8893 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
8894 functions with noreturn attribute.
8897 * varasm.c (declare_weak): Add weak attribute to decl if it
8898 doesn't have one already.
8899 (assemble_external): Only add decls to weak_decls if they also
8900 have weak attribute.
8902 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
8904 * var-tracking.c (var_reg_delete): Don't delete the association
8905 between REGs and values or one-part variables if the register
8908 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8911 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
8912 because its first operand is a non-localized variable.
8914 2010-01-14 Martin Jambor <mjambor@suse.cz>
8916 PR tree-optimization/42706
8917 * tree-sra.c (encountered_recursive_call): New variable.
8918 (encountered_unchangable_recursive_call): Likewise.
8919 (sra_initialize): Initialize both new variables.
8920 (callsite_has_enough_arguments_p): New function.
8921 (scan_function): Call decl and flags check only for IPA-SRA, check
8922 whether there is a recursive call and whether it has enough arguments.
8923 (all_callers_have_enough_arguments_p): New function.
8924 (convert_callers): Look for recursive calls only when
8925 encountered_recursive_call is set.
8926 (ipa_early_sra): Bail out either if
8927 !all_callers_have_enough_arguments_p or
8928 encountered_unchangable_recursive_call.
8930 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8932 * sel-sched.c: Add 2010 to copyright years.
8933 * sel-sched-ir.c: Likewise.
8934 * sel-sched-ir.h: Likewise.
8936 2010-01-14 Martin Jambor <mjambor@suse.cz>
8938 PR tree-optimization/42714
8939 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
8940 constructors specially.
8942 2010-01-14 Andi Kleen <ak@linux.intel.com>
8944 * config/i386/drivers-i386.c (detect_caches_intel):
8945 Add l2sizekb parameter and fill in.
8946 (host_detect_local_cpu): Add l2sizekb, fill in.
8947 Add Atom small cache heuristic.
8949 2010-01-14 Andi Kleen <ak@linux.intel.com>
8951 * config/i386/drivers-i386.c (detect_caches_cpuid4):
8952 Add level3 parameter and fill in.
8953 (detect_caches_intel): Handle level3 cache.
8955 2010-01-14 Andi Kleen <ak@linux.intel.com>
8957 * config/i386/drivers-i386.c (host_detect_local_cpu):
8958 Fix core duo detection.
8960 2010-01-14 Andi Kleen <ak@linux.intel.com>
8962 * config/i386/drivers-i386.c (host_detect_local_cpu):
8965 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8967 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
8968 (rs6000_variable_issue_1): this. Use...
8969 (rs6000_variable_issue): here. Reimplement. Print debug info.
8971 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8973 * sel-sched-ir.c (sel_restore_other_notes): Rename to
8974 sel_restore_notes. Update all callers. Call reemit_notes
8977 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8979 PR rtl-optimization/42246
8980 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
8983 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8985 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
8986 all successors is the same as number of successors in current region.
8988 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8990 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
8991 to rename is not separable. Otherwise check that its LHS is not NULL.
8993 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8995 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
8997 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8999 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
9000 available registers when failed to discover LHS register class.
9001 Fix indentation. Update comment.
9003 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9004 Alexander Monakov <amonakov@ispras.ru>
9006 PR rtl-optimization/42389
9007 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
9009 (advance_state_on_fence): Likewise.
9010 (sel_target_adjust_priority): Print debug output only when
9011 sched_verbose >= 4, not 2.
9012 (get_expr_cost): Do not issue all unique insns on the next cycle.
9013 (fill_insns): Initialize can_issue_more from the value saved
9015 * sel-sched-ir.c (flist_add): New parameter issue_more.
9016 Init FENCE_ISSUE_MORE with it.
9017 (merge_fences): Likewise.
9018 (init_fences): Update call to flist_add.
9019 (add_to_fences, add_clean_fence_to_fences)
9020 (add_dirty_fence_to_fences): Likewise.
9021 (move_fence_to_fences): Update call to merge_fences.
9022 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
9024 * sel-sched-ir.h (struct _fence): New field issue_more.
9025 (FENCE_ISSUE_MORE): New accessor macro.
9027 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9029 PR rtl-optimization/42388
9030 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
9031 that have no predecessors nor successors. Do not call move_bb_info
9032 for empty blocks outside of current region.
9034 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9036 PR rtl-optimization/42294
9037 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
9038 * sel-sched.c (move_exprs_to_boundary): Transitively add all
9039 originators' originators.
9041 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9043 PR rtl-optimization/39453
9044 PR rtl-optimization/42246
9045 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
9047 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
9049 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9050 Alexander Monakov <amonakov@ispras.ru>
9053 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
9054 (maybe_tidy_empty_bb): ... here. Make static. Add new
9055 argument. Update all callers.
9056 (tidy_control_flow): ... and here. Recompute topological order
9057 of basic blocks in region if necessary.
9058 (sel_redirect_edge_and_branch): Change return type. Return true
9059 if topological order might have been invalidated.
9060 (purge_empty_blocks): Export and move from...
9061 * sel-sched.c (purge_empty_blocks): ... here.
9062 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
9063 (maybe_tidy_empty_bb): Delete prototype.
9064 (purge_empty_blocks): Declare.
9066 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9068 PR rtl-optimization/42249
9069 * sel-sched.c (try_replace_dest_reg): When chosen register
9070 and original register is the same, do not bail out early, but
9071 still check all original insns for validity of replacing destination
9072 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
9075 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9078 Port from no-undefined-overflow branch:
9079 2009-03-09 Richard Guenther <rguenther@suse.de>
9081 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
9083 2010-01-14 Richard Guenther <rguenther@suse.de>
9086 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
9088 2010-01-14 Ira Rosen <irar@il.ibm.com>
9090 PR tree-optimization/42709
9091 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
9092 as scalar type in creation of constant vector operand.
9094 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9097 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
9098 (check-parallel-%): Match `testsuite' directory component only
9101 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
9103 PR translation/39521
9104 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
9107 2010-01-13 Richard Guenther <rguenther@suse.de>
9109 PR tree-optimization/42730
9110 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
9113 2010-01-13 Steve Ellcey <sje@cup.hp.com>
9116 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
9117 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
9120 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
9122 * config/bfin/libgcc-bfin.ver: Regenerate based on current
9123 libgcc-std.ver. Add entries for ___smulsi3_highpart and
9124 ___umulsi3_highpart.
9126 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
9127 rather than schedule_insns if the pass is enabled.
9129 2010-01-13 Martin Jambor <mjambor@suse.cz>
9131 PR tree-optimization/42704
9132 * tree-sra.c (sra_modify_assign): Do not delete assignments to
9135 2010-01-13 Martin Jambor <mjambor@suse.cz>
9137 PR tree-optimization/42703
9138 * tree-sra.c (analyze_access_subtree): Check that we can build a
9139 reference to the original data within the aggregate.
9141 2010-01-13 Richard Guenther <rguenther@suse.de>
9143 PR tree-optimization/42705
9144 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
9146 2010-01-13 Richard Guenther <rguenther@suse.de>
9149 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
9151 2010-01-13 Jakub Jelinek <jakub@redhat.com>
9154 * var-tracking.c (values_to_unmark): New variable.
9155 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
9156 values_to_unmark vector. Moved body to...
9157 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
9158 instead queue it into values_to_unmark vector.
9159 (vt_find_locations): Free values_to_unmark vector.
9161 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
9163 * config/s390/s390.c (override_options): Set
9164 default of max-pending-list-length to 256
9166 2010-01-13 Richard Guenther <rguenther@suse.de>
9169 * tree-pass.h (PROP_gimple_lcx): New.
9170 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
9171 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
9172 before the final cleanup_eh.
9173 (dump_properties): Dump PROP_gimple_lcx.
9174 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
9175 (tree_lower_complex_O0): Remove.
9176 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
9177 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
9178 tree_lower_complex, schedule TODO_update_ssa.
9179 * lto-streamer-out.c (output_function): Stream the functions
9181 * lto-streamer-in.c (input_function): Likewise.
9182 (lto_read_body): Do not override them here.
9184 2010-01-12 Joseph Myers <joseph@codesourcery.com>
9187 * c-typeck.c (build_c_cast): Fold value cast to union type before
9188 wrapping it in a CONSTRUCTOR.
9190 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9192 PR rtl-optimization/42699
9193 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
9196 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9198 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9199 SUBTARGET_WARN_UNUSED_SPEC): Move ...
9200 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9201 SUBTARGET_WARN_UNUSED_SPEC): ... here
9202 * config/mips/iris5.h (LIBGCC_SPEC): Define.
9204 2010-01-12 Julian Brown <julian@codesourcery.com>
9206 * config/arm/neon-schedgen.ml (Utils): Don't try to
9207 open missing module.
9208 (find_with_result): New.
9210 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9213 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
9214 sharing when canonicalizing ({lt,ge}u (plus a b) b).
9216 PR tree-optimization/42645
9217 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
9218 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
9219 decl_map, set processing_debug_stmt to -1 and return name without
9222 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
9224 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
9225 binutils version, and reword target configuration description.
9227 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9229 * config/avr/avr.h (LINKER_NAME): Remove.
9231 2010-01-11 Janis Johnson <janis187@us.ibm.com>
9234 * config/rs6000/rs6000.c (rs6000_override_options): On targets
9235 that support VSX, warn for -mno-altivec if vsx is not disabled,
9238 2010-01-11 Joseph Myers <joseph@codesourcery.com>
9239 Shujing Zhao <pearly.zhao@oracle.com>
9241 PR translation/42469
9242 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
9243 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
9244 character between option name and help text.
9245 * c.opt (imultilib): Likewise.
9247 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
9249 * lto-streamer-out.c (output_unreferenced_globals): Output static
9252 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
9254 PR rtl-optimization/42621
9255 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
9256 optimizing for size.
9257 (duplicate_computed_gotos): Remove now-redundant check.
9259 2010-01-10 Steve Ellcey <sje@cup.hp.com>
9262 * configure.ac: Save and restore LDFLAGS and LIBS
9263 * configure: Regenerate.
9265 2010-01-10 Richard Guenther <rguenther@suse.de>
9268 * builtins.c (fold_builtin_strlen): Add type argument and
9269 convert the resulting length to it.
9270 (fold_builtin_1): Adjust.
9272 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9274 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
9275 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
9277 (num_insns_constant_wide): Adjust for that change.
9279 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9282 * web.c (union_defs): Add used argument, to combine uses of
9284 (entry_register): Adjust type and tests of used argument.
9285 (web_main): Widen used for new use. Pass it to union_defs.
9286 * df.h (union_defs): Adjust prototype.
9288 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9291 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
9292 uses in new incoming argument. Free body.
9293 (reset_debug_uses_in_loop): New.
9294 (analyze_insn_to_expand_var): Call the latter if the former found
9295 anything. Fix whitespace. Reject invalid dest overlaps before
9296 going through all insns in the loop.
9298 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9301 * haifa-sched.c (dying_use_p): Debug insns don't count.
9303 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9306 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
9307 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
9308 (verify_gimple_call): Reject LHS in noreturn calls.
9310 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9314 * tree-vect-loop-manip.c (adjust_info): New type.
9315 (adjust_vec): New pointer to vector.
9316 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
9317 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
9318 (slpeel_update_phis_for_duplicate_loop): Use them.
9319 (slpeel_update_phi_nodes_for_guard1): Likewise.
9320 (slpeel_update_phi_nodes_for_guard2): Likewise.
9321 (slpeel_tree_peel_loop_to_edge): Likewise.
9322 (vect_update_ivs_after_vectorizer): Likewise.
9324 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9326 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
9327 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
9329 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9331 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
9332 bogus uninitialized warning.
9334 2010-01-09 Richard Guenther <rguenther@suse.de>
9337 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
9338 the evolution is compatible with the initial condition.
9340 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9342 * gcc.c (process_command): Update copyright notice dates.
9343 * gcov.c (print_version): Likewise.
9344 * gcov-dump.c (print_version): Likewise.
9345 * mips-tfile.c (main): Likewise.
9346 * mips-tdump.c (main): Likewise.
9348 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9351 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
9353 (rotlhi3_8): Delete.
9355 (rotlsi3_8): Delete.
9356 (rotlsi3_16): Delete.
9357 (rotlsi3_24): Delete.
9359 (*rotw<mode>3): New.
9360 (*rotb<mode>3): New.
9361 * config/avr/avr.c (avr_rotate_bytes): New function.
9362 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
9364 2010-01-08 Steve Ellcey <sje@cup.hp.com>
9367 * configure.ac: Modify -rdynamic check.
9368 * configure: Regenerate.
9370 2010-01-08 DJ Delorie <dj@redhat.com>
9372 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
9373 register popping order.
9375 2010-01-08 Richard Guenther <rguenther@suse.de>
9378 * c.opt (fsigned-char): Also let LTO handle this option.
9379 (funsigned-char): Likewise.
9381 2010-01-07 Richard Guenther <rguenther@suse.de>
9383 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
9384 (gimple_op): Likewise.
9385 (gimple_op_ptr): Likewise.
9386 (gimple_assign_set_lhs): Remove gcc_assert.
9387 (gimple_assign_set_rhs1): Likewise.
9388 (gimple_assign_set_rhs2): Likewise.
9389 (gimple_call_set_lhs): Likewise.
9390 (gimple_call_set_fn): Likewise.
9391 (gimple_call_set_fndecl): Likewise.
9392 (gimple_call_fndecl): Likewise.
9393 (gimple_call_return_type): Likewise.
9394 (gimple_call_set_chain): Likewise.
9395 (gimple_call_num_args): Likewise.
9396 (gimple_call_set_arg): Likewise.
9397 (gimple_cond_set_code): Likewise.
9398 (gimple_cond_set_lhs): Likewise.
9399 (gimple_cond_set_rhs): Likewise.
9400 (gimple_cond_set_true_label): Likewise.
9401 (gimple_cond_set_false_label): Likewise.
9402 (gimple_label_set_label): Likewise.
9403 (gimple_goto_set_dest): Likewise.
9404 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
9405 (gimple_debug_bind_get_value): Likewise.
9406 (gimple_debug_bind_get_value_ptr): Likewise.
9407 (gimple_debug_bind_set_var): Likewise.
9408 (gimple_debug_bind_set_value): Likewise.
9409 (gimple_debug_bind_reset_value): Likewise.
9410 (gimple_debug_bind_has_value_p): Likewise.
9411 (gimple_return_retval_ptr): Remove gcc_assert.
9412 (gimple_return_retval): Likewise.
9413 (gimple_return_set_retval): Likewise.
9414 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
9415 (safe_referenced_var_iterator): Remove.
9416 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
9417 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
9418 (fill_referenced_var_vec): Remove.
9419 (first_readonly_imm_use): Remove redundant gcc_assert.
9420 (phi_arg_index_from_use): Combine gcc_asserts.
9421 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
9422 (first_imm_use_stmt): Remove redundant gcc_assert.
9423 * tree-cfg.c (verify_gimple_call): Verify function and chain
9424 operands. Verify arguments.
9425 (verify_types_in_gimple_stmt): Verify condition code and labels.
9427 2010-01-07 Richard Guenther <rguenther@suse.de>
9429 PR tree-optimization/42641
9430 * sese.c (rename_map_elt_info): Use the SSA name version, do
9433 2010-01-07 Jakub Jelinek <jakub@redhat.com>
9435 PR tree-optimization/42625
9436 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
9437 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
9439 2010-01-07 Duncan Sands <baldrick@free.fr>
9441 * Makefile.in (PLUGIN_HEADERS): Add version.h.
9443 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
9446 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
9447 note itself is not function_invariant_p.
9449 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
9451 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
9452 Do not add the DF_NOTE problem.
9453 * store-motion.c (execute_rtl_store_motion): Likewise.
9455 2010-01-07 Martin Jambor <mjambor@suse.cz>
9457 PR tree-optimization/42157
9458 * tree-sra.c (compare_access_positions): Stabilize sort if both
9459 accesses have integer types, return zero immediately if they are the
9462 2010-01-06 Richard Henderson <rth@redhat.com>
9465 * haifa-sched.c (add_to_note_list): Merge into ...
9466 (concat_note_lists): ... here, and ...
9467 (unlink_other_notes, rm_other_notes): Merge into...
9468 (remove_notes): ... here. Create REG_SAVE_NOTEs for
9469 NOTE_INSN_EPILOGUE_BEG.
9471 2010-01-06 Richard Guenther <rguenther@suse.de>
9473 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
9474 not inline regular functions into always-inline functions.
9476 2010-01-06 Nick Clifton <nickc@redhat.com>
9478 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
9479 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
9481 (OVERRIDE_OPTIONS): Delete.
9482 (OPTIMIZATION_OPTIONS): Define.
9483 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
9484 * config/rx/rx.c (rx_handle_option): Issue an error message if
9485 -mcpu=rx200 and -fpu are used together.
9486 (rx_set_optimization_options): New function. Issue an error
9487 message if an optimization attribute attempts to reset the FPU/
9488 math optimization pairing.
9489 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
9490 * config/rx/rx.opt: Set the default to 32-bit doubles.
9491 * config/rx/t-rx: Add multilibs for -nofpu option.
9492 * doc/invoke.texi: Update documentation of RX options.
9494 2010-01-06 Richard Guenther <rguenther@suse.de>
9496 * tree-ssa-pre.c (name_to_id): New global.
9497 (alloc_expression_id): Simplify SSA name handling.
9498 (lookup_expression_id): Likewise.
9499 (init_pre): Zero name_to_id.
9500 (fini_pre): Free it.
9502 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
9504 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
9506 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
9509 * config/i386/sse.md (smaxv2di3): New.
9510 (umaxv2di3): Likewise.
9511 (sminv2di3): Likewise.
9512 (uminv2di3): Likewise.
9514 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
9517 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
9518 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
9519 (legitimize_tls_address): Likewise.
9520 (sparc_tls_referenced_p): Likewise.
9521 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
9522 and adjust calls to legitimize_pic_address.
9523 (legitimate_constant_p) Use sparc_tls_referenced_p.
9524 (legitimate_pic_operand_p): Likewise.
9525 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
9526 (sparc_tls_symbol_ref_1): Delete.
9527 (sparc_tls_referenced_p): Make static, recognize specific patterns.
9528 (legitimize_tls_address): Make static, handle CONST patterns.
9529 (legitimize_pic_address): Make static, remove unused parameter and
9530 adjust recursive calls.
9531 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
9532 and adjust call to legitimize_pic_address.
9533 (sparc_output_mi_thunk): Likewise.
9535 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
9536 H.J. Lu <hongjiu.lu@intel.com>
9539 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
9540 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
9541 operands to make them signed.
9544 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9547 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9548 GTU to GT for V4SI and V2DI.
9550 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9551 (umin<mode>3): Removed.
9553 (uminv4si3): Likewise.
9555 2010-01-05 Martin Jambor <mjambor@suse.cz>
9557 PR tree-optimization/42462
9558 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
9559 current_function_decl to helper functions and macros.
9561 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9564 * flags.h: Don't include real.h.
9565 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
9566 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
9567 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
9568 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
9569 * dominance.c: Update copyright.
9570 * gimple.c (walk_gimple_op): Remove inline.
9571 * tree-ssa-reassoc.c: Include real.h.
9572 * Makefile.in (FLAGS_H): Remove $(REAL_H).
9573 (tree-ssa-reassoc.o): Depend on $(REAL_H).
9575 2010-01-05 Nick Clifton <nickc@redhat.com>
9577 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
9578 register to push into the stack frame when the accumulator has to
9579 be saved during interrupts.
9581 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
9583 * doc/invoke.texi: Remove the documentation about option
9585 * common.opt (Wunreachable-code): Preserved for backward
9587 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
9588 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
9589 the backward compatibility flag section.
9591 2010-01-05 Richard Guenther <rguenther@suse.de>
9593 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
9595 2010-01-05 Jakub Jelinek <jakub@redhat.com>
9598 * cfgexpand.c (expand_one_var): Diagnose too large variables.
9600 PR tree-optimization/42508
9601 * tree-sra.c (convert_callers): Check for recursive call
9602 by comparing cgraph nodes instead of decls.
9603 (modify_function): Call ipa_modify_formal_parameters also
9604 on all same_body aliases.
9606 * cgraphunit.c (cgraph_materialize_all_clones): Compare
9607 cgraph nodes when checking for same_body aliases.
9609 2010-01-05 Richard Guenther <rguenther@suse.de>
9611 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
9612 allocation and lookup.
9613 (get_or_alloc_expr_for_constant): Likewise.
9614 (phi_translate): Sink allocation.
9616 2010-01-04 Richard Guenther <rguenther@suse.de>
9618 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
9619 a new entry only if needed.
9620 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
9621 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
9623 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
9625 (phi_translate): Handle CONSTANTs early.
9627 2010-01-04 Martin Jambor <mjambor@suse.cz>
9629 PR tree-optimization/42398
9630 * tree-sra.c (struct access): Removed flag grp_different_types.
9631 (dump_access): Do not dump the removed flag.
9632 (sort_and_splice_var_accesses): Do not set the removed flag.
9633 (sra_modify_expr): Check for type compatibility directly.
9635 2010-01-04 Martin Jambor <mjambor@suse.cz>
9637 PR tree-optimization/42366
9638 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
9639 edges with variable number of parameters.
9640 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
9641 flag instead of asserting it.
9642 (ipa_read_node_info): Read uses_analysis_done flag.
9644 2010-01-04 Richard Guenther <rguenther@suse.de>
9646 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
9647 iterative_hash_* as intended.
9648 (vn_reference_compute_hash): Likewise. Simplify hashing
9650 (vn_reference_lookup_2): Likewise.
9651 (vn_nary_op_compute_hash): Likewise.
9652 (vn_phi_compute_hash): Likewise.
9653 (expressions_equal_p): Remove strange code.
9654 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
9655 (pre_expr_hash): Likewise. Simplify hashing SSA names.
9656 (bitmap_insert_into_set_1): Take value-id as parameter.
9657 (add_to_value): Pass it.
9658 (bitmap_insert_into_set): Likewise.
9659 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
9661 2010-01-04 Jakub Jelinek <jakub@redhat.com>
9664 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
9665 (do_self_spec): For switches with SWITCH_IGNORE set set also
9666 SWITCH_IGNORE_PERMANENTLY.
9667 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
9670 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
9672 * lto-streamer-out.c (output_unreferenced_globals): Output the full
9673 tree of an unreferenced global var.
9675 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9678 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9679 GTU to GT for V4SI and V2DI.
9681 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9682 (umin<mode>3): Removed.
9684 (uminv4si3): Likewise.
9686 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9689 * collect2.c (main): Turn on trace in collect2 if -v is passed
9692 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
9694 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
9695 description of expression operand.
9697 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
9699 * configure.ac: Add install-html to target_list for Make-hooks.
9700 * configure: Regenerate.
9701 * fortran/Make-lang.in (F95_HTMLFILES): New.
9702 (fortran.html): Use it.
9703 (fortran.install-html): New.
9704 * Makefile.in (install-html): Add lang.install-html.
9705 * java/Make-lang.in (JAVA_HTMLFILES): New.
9706 (java.html): Use it.
9707 (java.install-html): New.
9708 * objc/Make-lang.in (objc.install-html): New.
9709 * objcp/Make-lang.in (obj-c++.install-html): New.
9710 * cp/Make-lang.in (c++.install-html): New.
9711 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
9712 * lto/Make-lang.in (lto.install-html): New.
9714 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9717 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
9719 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
9721 PR rtl-optimization/41862
9722 * store-motion.c (store_killed_in_insn, compute_store_table,
9723 remove_reachable_equiv_notes, replace_store_insn,
9724 build_store_vectors): Ignore all DEBUG_INSNs.
9726 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9729 * common.opt: Add dumpdir.
9731 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
9733 (option_map): Add --dumpdir.
9735 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
9737 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
9739 * opts.c (decode_options): Try dump_dir_name first if
9740 dump_base_name isn't an absolute path.
9741 (common_handle_option): Handle OPT_dumpdir.
9743 * toplev.c (dump_dir_name): New.
9744 (print_switch_values): Also ignore -dumpdir.
9746 * toplev.h (dump_dir_name): New.
9748 2010-01-03 Richard Guenther <rguenther@suse.de>
9750 PR tree-optimization/42589
9751 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
9752 double-word expansion of bswap32.
9754 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
9756 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
9757 with BLOCK_FOR_INSN.
9758 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
9759 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
9760 noce_process_if_block): Likewise.
9761 * gcse.c (compute_local_properties, insert_expr_in_table,
9762 insert_set_in_table, canon_list_insert, find_avail_set,
9763 pre_insert_copy_insn): Likewise.
9765 * basic-block.h (BLOCK_NUM): Move from here...
9766 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
9768 2010-01-03 Richard Guenther <rguenther@suse.de>
9770 PR tree-optimization/42438
9771 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
9772 contains_may_not_return_call flag.
9773 (BB_MAY_NOTRETURN): New.
9774 (valid_in_sets): Trapping nary operations are not valid
9775 in blocks that may not return.
9776 (insert_into_preds_of_block): Remove check for trapping expressions.
9777 (compute_avail): Compute also BB_MAY_NOTRETURN.
9779 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
9781 * doc/invoke.texi: Add 2010 to copyright years.
9783 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
9785 * config/sparc/sparc.c: Fix formatting nits.
9787 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
9788 Alexander Monakov <amonakov@ispras.ru>
9790 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
9792 2010-01-02 Richard Guenther <rguenther@suse.de>
9795 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
9796 (simplify_switch_using_ranges): Mark to be removed edges
9799 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9801 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
9803 * collect2.c (scan_libraries): Add missing argument in call to
9806 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
9809 * config/alpha/predicates.md (aligned_memory_operand): Return false
9811 (unaligned_memory_operand): Return true for CQImode.
9812 * config/alpha/alpha.c (get_aligned_mem): Assert that location
9813 doesn not cross aligned SImode word boundary.
9815 2010-01-02 Anatoly Sokolov <aesok@post.ru>
9817 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
9819 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
9820 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
9822 2010-01-02 Richard Guenther <rguenther@suse.de>
9825 * toplev.c (compile_file): Emit LTO marker properly. Change
9827 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
9829 2010-01-01 Richard Guenther <rguenther@suse.de>
9832 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
9834 2010-01-01 Richard Guenther <rguenther@suse.de>
9837 * c-decl.c (grokdeclarator): For zero-size arrays force
9838 structural equality checks as layout_type does.
9840 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9842 * builtins.c: Update copyright to 2010.
9844 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9847 * lto-streamer-out.c (produce_asm): Revert the last change.
9848 (copy_function): Likewise.
9850 * lto-streamer.c (lto_get_section_name): Skip any leading
9853 2010-01-01 Richard Guenther <rguenther@suse.de>
9856 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
9860 Copyright (C) 2010 Free Software Foundation, Inc.
9862 Copying and distribution of this file, with or without modification,
9863 are permitted in any medium without royalty provided the copyright
9864 notice and this notice are preserved.