1 2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
3 * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
4 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
5 the insn to prefetch ratio heuristic to loops with known trip count.
7 2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
9 * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
10 (schedule_prefetches): Do not generate a prefetch if the unroll factor
11 is far from what is required by the prefetch.
13 2010-05-17 Jan Hubicka <jh@suse.cz>
15 * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
16 (ipcp_estimate_growth): Likewise.
17 (ipcp_const_param_count): Likewise.
18 (ipcp_insert_stage): Likewise.
19 * ipa-prop.c (visit_load_for_mod_analysis): New function.
20 (visit_store_addr_for_mod_analysis): Set used flag.
21 (ipa_detect_param_modifications): Set used flag for SSE params;
22 update use of walk_stmt_load_store_addr_ops.
23 (ipa_print_node_params): Print used flag.
24 (ipa_write_node_info): Stream used flag.
25 (ipa_read_node_info): Likewise.
26 * ipa-prop.h (struct ipa_param_descriptor): Add used field.
27 (ipa_is_param_used): New function.
28 (lto_ipa_fixup_call_notes): Remove unused declaration.
30 2010-05-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
33 * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
34 * configure: Regenerate.
35 * config.in: Regenerate.
36 * config/i386/i386.c (print_operand) <case ;>: Also print ; if
37 !HAVE_AS_IX86_REP_LOCK_PREFIX.
38 Don't emit whitespace.
39 * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
40 (*rep_movsi): Likewise.
41 (*rep_movsi_rex64): Likewise.
42 (*rep_movqi): Likewise.
43 (*rep_movqi_rex64): Likewise.
44 (*rep_stosdi_rex64): Likewise.
45 (*rep_stossi): Likewise.
46 (*rep_stossi_rex64): Likewise.
47 (*rep_stosqi): Likewise.
48 (*rep_stosqi_rex64): Likewise.
49 (*cmpstrnqi_nz_1): Use {%;} after repz.
50 (*cmpstrnqi_nz_rex_1): Likewise.
51 (*cmpstrnqi_1): Likewise.
52 (*cmpstrnqi_rex_1): Likewise.
53 (*strlenqi_1): Use {%;} after repnz.
54 (*strlenqi_rex_1): Likewise.
55 * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
56 (*sync_compare_and_swap<mode>): Likewise.
57 (sync_double_compare_and_swap<mode>): Likewise.
58 (*sync_double_compare_and_swapdi_pic): Likewise.
59 (sync_old_add<mode>): Likewise.
60 (sync_add<mode>): Likewise.
61 (sync_sub<mode>): Likewise.
62 (sync_<code><mode>): Likewise.
64 2010-05-17 Martin Jambor <mjambor@suse.cz>
66 * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
67 otr_token and polymorphic.
68 * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
69 (cgraph_clone_edge): Copy the above fields.
70 * tree.c (get_binfo_at_offset): New function.
71 * tree.h (get_binfo_at_offset): Declare.
72 * ipa-prop.h (enum jump_func_type): Added known_type jump function
73 type, reordered items, updated comments.
74 (union jump_func_value): Added base_type field, reordered fields.
75 (enum ipa_lattice_type): Moved down in the file.
76 (struct ipa_param_descriptor): New field polymorphic.
77 (ipa_is_param_polymorphic): New function.
78 * ipa-prop.c: Include gimple.h and gimple-fold.h.
79 (ipa_print_node_jump_functions): Print known type jump functions.
80 (compute_complex_pass_through): Renamed to...
81 (compute_complex_assign_jump_func): this.
82 (compute_complex_ancestor_jump_func): New function.
83 (compute_known_type_jump_func): Likewise.
84 (compute_scalar_jump_functions): Create known type and complex ancestor
86 (ipa_note_param_call): New parameter polymorphic, set the corresponding
87 flag in the call note accordingly.
88 (ipa_analyze_call_uses): Renamed to...
89 (ipa_analyze_indirect_call_uses): this. New parameter target, define
90 variable var only in the block where it is used.
91 (ipa_analyze_virtual_call_uses): New function.
92 (ipa_analyze_call_uses): Likewise.
93 (combine_known_type_and_ancestor_jfs): Likewise.
94 (update_jump_functions_after_inlining): Implemented handling of a
95 number of new jump function types combination.
96 (print_edge_addition_message): Removed.
97 (make_edge_direct_to_target): New function.
98 (try_make_edge_direct_simple_call): Likewise.
99 (try_make_edge_direct_virtual_call): Likewise.
100 (update_call_notes_after_inlining): Renamed to...
101 (update_indirect_edges_after_inlining): this. Moved edge creation for
102 indirect calls to try_make_edge_direct_simple_call, also calls
103 try_make_edge_direct_virtual_call for virtual calls.
104 (ipa_print_node_params): Changed the header message.
105 (ipa_write_jump_function): Stream also known type jump functions.
106 (ipa_read_jump_function): Likewise.
107 (ipa_write_indirect_edge_info): Stream new fields in
108 cgraph_indirect_call_info.
109 (ipa_read_indirect_edge_info): Likewise.
110 * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
113 2010-05-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
115 * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
117 2010-05-17 Nathan Froyd <froydnj@codesourcery.com>
119 * tree.h (CALL_EXPR_ARGS): Delete.
120 (call_expr_arglist): Delete.
121 * tree.c (call_expr_arglist): Delete.
122 * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
123 targetm.fold_builtin.
124 * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
125 Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
126 * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
127 arglist parameter. Use CALL_EXPR_ARG.
128 (picochip_expand_builtin_3op): Likewise.
129 (picochip_expand_builtin_2opvoid): Likewise.
130 (picochip_expand_array_get): Likewise.
131 (picochip_expand_array_put): Likewise.
132 (picochip_expand_array_testport): Likewise.
133 (picochip_expand_builtin): Don't call CALL_EXPR_ARGS. Pass exp
135 * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
137 * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
138 than TREE_VALUE and TREE_CHAIN.
139 * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
140 * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
143 2010-05-17 Jakub Jelinek <jakub@redhat.com>
146 * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
147 to have no fallthru edge.
150 * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
151 bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
152 mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
153 add BARRIER after previous bb if needed.
155 2010-05-17 Nathan Froyd <froydnj@codesourcery.com>
157 * tree.c (build_function_type_list_1): Remove bogus assert condition.
159 2010-05-17 Alan Modra <amodra@gmail.com>
161 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
162 unnecessary prototype. Replace copy_r12 and copy_r11 flag params
163 with copy_reg rtx param.
164 (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
165 Correct cases where code for ABI_V4 did not initialise the reg
166 used to access frame. Also leave frame_reg_rtx as sp for large
167 frames that save no regs.
169 2010-05-17 Martin Jambor <mjambor@suse.cz>
172 * tree-sra.c (create_access_replacement): New parameter rename, mark
173 the replaement for renaming only when it is true.
174 (get_access_replacement): Pass true in the rename parameter of
175 create_access_replacement.
176 (get_unrenamed_access_replacement): New function.
177 (replace_uses_with_default_def_ssa_name): New parameter racc, get the
178 replacement declaration from it.
180 2010-05-17 Bernd Schmidt <bernds@codesourcery.com>
182 * function.c (try_fit_stack_local, add_frame_space): New static
184 (assign_stack_local_1): Use them. Look for opportunities to use
185 space previously wasted on alignment.
186 * function.h (struct frame_space): New.
187 (struct rtl_data): Add FRAME_SPACE_LIST member.
188 * reload1.c (something_was_spilled): New static variable.
190 (reload): Test it in addition to testing if the frame size changed.
192 2010-05-17 Christian Borntraeger <borntraeger@de.ibm.com>
194 * config/s390/s390.c: Define sane prefetch settings and activate
195 flag_prefetch_loop_arrays on -O3.
196 * config/s390/s390.h: Declare that read can use write prefetch.
198 2010-05-17 Jakub Jelinek <jakub@redhat.com>
200 * lto-streamer-out.c (lto_output): Fix --enable-checking=release
203 2010-05-16 Jan Hubicka <jh@suse.cz>
205 * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
206 function body; do not check stdarg field of struct function.
208 2010-05-16 Jan Hubicka <jh@suse.cz>
210 * cgraph.c (dump_cgraph_node): Dump versionable flag.
211 * cgraph.h (cgraph_local_info): Add versionable flag.
212 * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
213 (ipcp_versionable_function_p): Use it.
214 * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
217 2010-05-16 Jan Hubicka <jh@suse.cz>
219 * cgraph.c (cgraph_clone_node): Take decl argument and insert
220 clone into hash when it is different from orig.
221 (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
222 * cgraph.h (cgraph_clone_node): Update prototype.
223 * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
224 (lto_cgraph_encoder_delete): Delete body map.
225 (lto_cgraph_encoder_size): Move to header.
226 (lto_cgraph_encoder_encode_body_p,
227 lto_set_cgraph_encoder_encode_body): New.
228 (lto_output_node): Do not take written_decls argument; output clone_of
230 (add_node_to): Add include_body_argument; call
231 lto_set_cgraph_encoder_encode_body on master of the clone.
232 (add_references): Update use of add_node_to.
233 (compute_ltrans_boundary): Likewise.
234 (output_cgraph): Do not create written_decls bitmap.
235 (input_node): Take nodes argument; stream in clone_of correctly.
236 (input_cgraph_1): Update use of input_node.
237 * lto-streamer-out.c (lto_output): Use encoder info to decide
238 what bodies to output.
239 * ipa-inline.c (cgraph_clone_inlined_nodes,
240 cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
241 * lto-streamer.h (lto_cgraph_encoder_d): Add body.
242 (lto_cgraph_encoder_size): Define here.
243 (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
246 2010-05-16 Richard Guenther <rguenther@suse.de>
248 * doc/invoke.texi (-fipa-struct-reorg): Do not mention
250 * ipa-type-escape.c (gate_type_escape_vars): Run when
251 -fipa-struct-reorg runs.
252 * opts.c (decode_options): Do not unset flag_ipa_type_escape.
253 * common.opt (fipa-type-escape): Remove.
255 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
257 * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
258 (decode_options): Likewise.
259 * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
261 2010-05-16 Jan Hubicka <jh@suse.cz>
263 * ipa.c (function_and_variable_visibility): Also bring local all
266 2010-05-16 Richard Guenther <rguenther@suse.de>
268 * alias.c (nonoverlapping_memrefs_p): Remove use of
269 IPA type-escape information.
271 2010-05-16 Joseph Myers <joseph@codesourcery.com>
273 * c-common.c (c_common_reswords): Add _Static_assert for C.
274 * c-parser.c (c_token_starts_declaration,
275 c_parser_next_token_starts_declaration,
276 c_parser_static_assert_declaration_no_semi,
277 c_parser_static_assert_declaration): New.
278 (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
279 Handle static assertions if static_assert_ok.
280 (c_parser_external_declaration, c_parser_declaration_or_fndef,
281 c_parser_compound_statement_nostart, c_parser_label,
282 c_parser_for_statement, c_parser_objc_methodprotolist,
283 c_parser_omp_for_loop): All callers of
284 c_parser_declaration_or_fndef changed.
285 (c_parser_struct_declaration): Handle static assertions.
286 (c_parser_compound_statement_nostart): Use
287 c_parser_next_token_starts_declaration and
288 c_token_starts_declaration to detect start of declarations.
289 (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
292 2010-05-16 Anatoly Sokolov <aesok@post.ru>
294 * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
295 LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
296 * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
297 TARGET_FUNCTION_VALUE_REGNO_P): Define.
298 (mmix_function_outgoing_value): Rename to...
299 (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
300 (mmix_function_value_regno_p): Make static.
301 (mmix_libcall_value): New function.
302 * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
303 mmix_function_value_regno_p): Remove declaration.
305 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
307 * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
308 BUILT_IN_ALLOCA if stack checking is enabled.
310 2010-05-16 Richard Guenther <rguenther@suse.de>
312 * var-tracking.c (vars_copy_1): Inline ...
313 (vars_copy): ... here. Use FOR_EACH_HTAB_ELEMENT.
314 (variable_union): Use FOR_EACH_HTAB_ELEMENT. Merge asserts.
315 (variable_merge_over_cur): Adjust. Merge asserts.
316 (variable_merge_over_src): Likewise.
317 (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
318 (variable_post_merge_new_vals): Merge asserts.
319 (variable_post_merge_perm_vals): Likewise.
320 (find_mem_expr_in_1pdv): Likewise.
321 (dataflow_set_different_value): Remove.
322 (onepart_variable_different_p): Merge asserts.
323 (variable_different_p): Likewise.
324 (dataflow_set_different_1): Inline ...
325 (dataflow_set_different): ... here. Use FOR_EACH_HTAB_ELEMENT.
326 (emit_notes_for_differences_1): Merge asserts.
328 2010-05-16 Richard Guenther <rguenther@suse.de>
330 * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
331 * optabs.c (libfunc_decl_hash): Likewise.
332 * varasm.c (emutls_decl): Likewise.
334 2010-05-16 Steven Bosscher <steven@gcc.gnu.org>
336 * c-decl.c: Don't include gimple.h.
337 (merge_decls): Do not copy gimple_body.
339 2010-05-15 Jason Merrill <jason@redhat.com>
341 * c.opt: Add -fnothrow-opt.
343 2010-05-15 Jan Hubicka <jh@suse.cz>
345 * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
347 * passes.c (ipa_write_summaries): Write all analyzed nodes.
349 2010-05-15 Steven Bosscher <steven@gcc.gnu.org>
351 * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
352 * Makefile.in: Add it.
353 Fix all other Makefile dependencies for changes below.
354 * tree.h: Include it instead of defining VEC primitives here.
355 * gimple.h: Likewise.
357 * tree-inline.h: Inlclude vecir.h instead of gimple.h.
358 * except.h: Include vecir.h, break dependence on tree.h.
360 * gimplify.c (append_to_statement_list_1, append_to_statement_list):
362 * tree-iterator.c: ...to here.
363 * tree-iterator.h: Fix file introduction comment. Add extern markers.
365 * c-lex.c: Include fixed-value.h instead of rtl.h. Do not include
367 * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
368 * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
369 integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
370 tree-mudflap.h, and target.h.
371 * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
372 predict.h, tree-inline.h, gimple.h, and langhooks.h.
373 * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
374 Add FIXME for why gimple.h is still included (should be unnecessary
375 since GCC 4.5 gimplification unit-at-a-time).
376 * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
377 * c-pragma.c: Add FIXME for why function.h needs to be included just
378 for cfun, at front-end level.
379 Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
380 Do not include ggc.h, but include vecprim.h for VEC(char).
381 * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
382 Explain why target.h is included.
383 * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
384 Explain why gimple.h is included.
385 * c-ppoutput.c: Do not include tm.h.
386 * c-common.c: Do not include gimple.h. Explain why expr.h is included.
387 * c-parses.c: Explain why rtl.h is included, and that this (and only
388 this) is also why tm.h must be included.
389 Do not include except.h.
390 * c-lang.c: Do not include ggc.h.
392 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
394 * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
396 2010-05-15 Joseph Myers <joseph@codesourcery.com>
398 * c-decl.c (grokfield): Allow typedefs for anonymous structs and
399 unions by default if those structs and unions have no tags. Do
400 not condition anonymous struct and unions handling on flag_iso.
401 Allow anonymous structs and unions for C1X.
402 (finish_struct): Do not diagnose lack of named fields when
403 anonymous structs and unions present for C1X. Accept flexible
404 array members in structure with anonymous structs or unions but no
405 directly named fields.
406 * doc/extend.texi (Unnamed Fields): Update.
408 2010-05-15 Eric Botcazou <ebotcazou@adacore.com>
410 * gimple.h (compare_field_offset): Rename into...
411 (gimple_compare_field_offset): ...this.
412 * gimple.c (compare_field_offset): Rename into...
413 (gimple_compare_field_offset): ...this. Compare the full access if
414 the offset is self-referential.
415 (gimple_types_compatible_p): Adjust for above renaming.
416 * lto-streamer-in.c (input_gimple_stmt): Likewise. Also compare the
417 DECL_NONADDRESSABLE_P flag of fields before merging them.
419 2010-05-15 Nathan Froyd <froydnj@codesourcery.com>
421 * tree.h (ctor_to_list): Delete.
422 * tree.c (ctor_to_list): Delete.
424 2010-05-15 Jan Hubicka <jh@suse.cz>
426 * ipa-reference.c: Include toplev.h
427 (is_proper_for_analysis): Only add to all_module_statics
429 (write_node_summary_p, stream_out_bitmap,
430 ipa_reference_write_optimization_summary,
431 ipa_reference_read_optimization_summary): New.
432 (struct ipa_opt_pass_d pass_ipa_reference): Add
433 optimization summary streaming.
434 * lto-cgraph.c (referenced_from_this_partition_p,
435 reachable_from_this_partition_p): New functions.
436 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
437 call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
438 * opts.c (decode_options): Enable ipa_reference.
439 * Makefile.in (ipa-reference.o): Add toplev.h dependency.
440 * lto-streamer.h (referenced_from_this_partition_p,
441 reachable_from_this_partition_p): Declare.
443 2010-05-15 Richard Guenther <rguenther@suse.de>
445 PR tree-optimization/44038
446 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
447 taking the address of a V_C_E of a constant.
449 2010-05-14 Jan Hubicka <jh@suse.cz>
451 * tree.h (memory_identifier_string): Remove.
452 * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
453 (ipa_reference_global_vars_info_d): Remove statics_not_read and
455 (ipa_reference_optimization_summary_d): New structure.
456 (ipa_reference_optimization_summary_t): New type and vector.
457 (ipa_reference_vars_info_d): Embedd structures instead of using
459 (reference_vars_to_consider): Remove out of GGC space.
460 (module_statics_escape): Remove.
461 (global_info_obstack): Rename to ...
462 (optimization_summary_obstack): ... this one.
463 (initialization_status_t): Remove.
464 (memory_identifier_string): Remove.
465 (get_reference_vars_info): Fix indenting.
466 (set_reference_vars_info): Likewise.
467 (get_reference_optimization_summary): New.
468 (set_reference_optimization_summary): New.
469 (get_global_reference_vars_info): Remove.
470 (ipa_reference_get_read_global): Remove.
471 (ipa_reference_get_written_global): Remove.
472 (ipa_reference_get_not_read_global): Update.
473 (ipa_reference_get_not_written_global): Update.
474 (is_proper_for_analysis): Outlaw addressable.
475 (propagate_bits): Update for new datastructures.
476 (analyze_variable): Remove.
477 (init_function_info): Update for new datastructures.
478 (clean_function_local_data): Remove.
479 (clean_function): Remove.
480 (copy_global_bitmap): Use optimizations_summary_obstack.
481 (duplicate_node_data): Duplicate optimization summary only.
482 (remove_node_data): Remove optimization summary only.
483 (generate_summary): Do not analyze variables; do not compute
484 module_statics_escape; do not prune solutions by it.
485 (read_write_all_from_decl): Fix typos in comments.
486 (propagate): Doscover readonly and nonaddressable first;
487 update for new datastructures; share global bitmaps.
488 * ipa-reference.h (ipa_reference_get_read_global,
489 ipa_reference_get_written_global): Remove.
490 * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
491 * Makefile.in: Remove ipa-refereference from GT files.
493 2010-05-14 Jakub Jelinek <jakub@redhat.com>
496 * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
497 for all SYMBOL_REF_DECLs.
499 2010-05-14 Jan Hubicka <jh@suse.cz>
501 * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
502 (varpool_all_refs_explicit_p): New inline function.
503 * ipa-reference.c: Update comment.
504 (module_statics_written): Remove.
505 (get_static_decl): Remove.
506 (ipa_init): Do not initialize module_statics_written.
507 (analyze_function): Likewise.
508 (generate_summary): Likewise; do not compute module_statics_readonly
509 and do not update variable flags.
510 (propagate): Call ipa_discover_readonly_nonaddressable_vars.
511 * ipa.c: Inlucde flags.h
512 (cgraph_local_node_p): New.
513 (cgraph_remove_unreachable_nodes): Return early when not optimizing;
514 promote functions to local.
515 (ipa_discover_readonly_nonaddressable_vars): New function.
516 (function_and_variable_visibility): Use cgraph_local_node_p.
517 * varpool.c (varpool_finalize_decl): Set force_output for
518 DECL_PRESERVE_P vars.
520 2010-05-14 Jan Hubicka <jh@suse.cz>
522 * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
524 2010-05-14 Richard Guenther <rguenther@suse.de>
526 PR tree-optimization/44119
527 * tree-ssa-pre.c (eliminate): Properly mark replacement of
528 a PHI node necessary.
530 2010-05-14 Eric Botcazou <ebotcazou@adacore.com>
532 * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
534 2010-05-14 Jason Merrill <jason@redhat.com>
537 * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
538 (gimple_call_set_nothrow): New.
539 * gimple.c (gimple_build_call_from_tree): Call it.
540 (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
543 * gimplify.c (gimplify_seq_add_stmt): No longer static.
544 * gimple.h: Declare it.
545 * gimple.c (gimple_build_eh_filter): No ops.
547 2010-05-14 Jan Hubicka <jh@suse.cz>
549 * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
550 nodes already in queue.
551 (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
554 2010-05-14 Jakub Jelinek <jakub@redhat.com>
557 * cfgexpand.c (expand_debug_expr): If non-memory op0
558 has BLKmode, return NULL.
560 2010-05-14 Harsha Jagasia <harsha.jagasia@amd.com>
562 * config.gcc: Add support for --with-cpu option for bdver1.
563 * config/i386/i386.h (TARGET_BDVER1): New macro.
564 (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
565 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
566 (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
567 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
568 Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
569 (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
570 (processor_type): Add PROCESSOR_BDVER1.
571 * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
572 processor_type in config/i386/i386.h.
573 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
574 movaps <reg, reg> instead of movapd <reg, reg> when replacing
575 movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
576 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
577 to emit packed xor instead of packed double/packed integer
578 xor for SSE and AVX when moving a zero value.
579 * config/i386/sse.md: Add check for
580 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
581 movapd/movdqa for SSE and AVX.
582 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
583 single logical operations i.e and, or and xor instead of packed double
584 logical operations for SSE and AVX.
585 * config/i386/i386-c.c (ix86_target_macros_internal):
586 Add PROCESSOR_BDVER1.
587 * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
588 (has_fma4, has_xop): New.
589 * config/i386/i386.c (bdver1_cost): New variable.
590 (m_BDVER1): New macro.
591 (m_AMD_MULTIPLE): Add m_BDVER1.
592 (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
593 x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
594 x86_tune_use_simode_fiop, x86_tune_promote_qimode,
595 x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
596 x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
597 x86_tune_sse_partial_reg_dependency,
598 x86_tune_sse_unaligned_load_optimal,
599 x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
600 x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
601 x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
602 x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
603 x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
604 Enable/disable for bdver1.
605 (processor_target_table): Add bdver1_cost.
606 (cpu_names): Add bdver1.
607 (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
608 processor_alias_table.
609 (ix86_expand_vector_move_misalign): Change.
610 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
611 Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
612 Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
613 of movupd/movdqu for SSE and AVX.
614 (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
615 (ix86_tune_adjust_cost): Add code for bdver1.
616 (standard_sse_constant_opcode): Add check for
617 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
618 of packed double xor for SSE and AVX.
620 2010-05-14 Pat Haugen <pthaugen@us.ibm.com>
622 * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
625 2010-05-14 Tristan Gingold <gingold@adacore.com>
627 * toplev.c (default_debug_hooks): Remove this variable.
628 (process_options): Remove assignments to default_debug_hooks.
630 2010-05-14 Martin Jambor <mjambor@suse.cz>
632 * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
633 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
634 * langhooks.h (struct lang_hooks_for_decls): Removed field
636 * tree.c (free_lang_data): Remove assignment to
637 lang_hooks.fold_obj_type_ref.
638 * tree.def (OBJ_TYPE_REF): Update comment.
640 2010-05-14 Richard Guenther <rguenther@suse.de>
642 PR tree-optimization/44124
643 * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
645 2010-05-14 Alan Modra <amodra@gmail.com>
648 * config/rs6000/rs6000.c (struct machine_function): Reorder
649 fields for better packing. Add lr_save_state.
650 (rs6000_ra_ever_killed): Return lr_save_state if set.
651 (rs6000_emit_eh_reg_restore): Set lr_save_state.
653 2010-05-13 Jan Hubicka <jh@suse.cz>
655 * varpool.c (decide_is_variable_needed): Drop code checking
656 TREE_SYMBOL_REFERENCED.
658 2010-05-13 Jan Hubicka <jh@suse.cz>
660 * final.c (output_addr_const): Do not call mark_decl_referenced.
661 * cgraphunit.c (process_function_and_variable_attributes): Use
662 mark_needed_node dirrectly.
663 (assemble_thunk): Do not call mark_decl_referenced.
665 2010-05-13 Anatoly Sokolov <aesok@post.ru>
667 * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
669 2010-05-13 Jeff Law <law@redhat.com>
671 * ira-conflicts.c (print_allocno_conflicts): New function broken out
673 (print_conflicts): Call print_allocno_conflicts.
675 2010-05-13 Jakub Jelinek <jakub@redhat.com>
678 * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
681 2010-05-13 Kai Tietz <kai.tietz@onevision.com>
683 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
684 t-mingw-w64 or t-mingw-w32 for multilib configuration.
685 * config/i386/t-mingw-w32: New.
686 * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
688 2010-05-13 Martin Jambor <mjambor@suse.cz>
690 * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
692 * gimple-fold.c (get_base_binfo_for_type): New function.
693 (gimple_get_relevant_ref_binfo): Likewise.
694 (gimple_fold_obj_type_ref_known_binfo): Likewise.
695 (gimple_fold_obj_type_ref): Likewise.
696 (fold_gimple_call): Simplify condition for folding virtual calls
697 and call gimple_fold_obj_type_ref.
698 * gimple.h (gimple_get_relevant_ref_binfo): Declare.
699 (gimple_fold_obj_type_ref_known_binfo): Likewise.
701 2010-05-13 Andreas Schwab <schwab@linux-m68k.org>
703 * config/rs6000/rs6000-protos.h
704 (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
705 * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
706 (rs6000_debug_mode_dependent_address)
707 (rs6000_mode_dependent_address_ptr): Likewise.
709 2010-05-13 Jakub Jelinek <jakub@redhat.com>
712 * var-tracking.c (track_expr_p): Allow tracking of variables optimized
714 * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
715 * tree-sra.c (create_access_replacement): Call unshare_expr before
716 passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
717 * dwarf2out.c: Include tree-flow.h.
718 (struct var_loc_node): Rename var_loc_note field to loc, add comment.
719 (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
720 Handle DW_OP_bit_piece.
721 (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
722 construct_piece_list, adjust_piece_list): New functions.
723 (add_var_loc_to_decl): Handle SRA optimized variables.
724 Adjust for var_loc_note to loc field renaming.
725 (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
726 in VAR_LOCATION note.
727 (new_loc_descr_op_bit_piece): New function.
728 (dw_sra_loc_expr): New function.
729 (dw_loc_list): Use it. Don't handle the last range after the
730 loop, handle it inside of the loop. Adjust for var_loc_note
731 to loc field renaming.
732 (add_location_or_const_value_attribute): Only special case
733 single entry loc lists if loc is NOTE_P. Adjust for
734 var_loc_note to loc field renaming.
735 (dwarf2out_var_location): Don't set newloc->var_loc_note
736 and newloc->next here.
738 2010-05-12 Jan Hubicka <jh@suse.cz>
740 * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
742 * cgraph.h (cgraph_only_called_directly_p,
743 cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
744 (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
745 * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
747 * ipa.c (cgraph_remove_unreachable_nodes): Use
748 cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
750 * tree-inline.c (copy_bb): Check address_taken flag.
751 * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
752 externally_visible flag.
754 2010-05-12 Jason Merrill <jason@redhat.com>
758 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
759 * sdbout.c (plain_type_1): Likewise.
760 * dwarf2out.c (is_base_type): Likewise.
761 (gen_type_die_with_usage): Likewise. Generate
762 DW_TAG_unspecified_type for any LANG_TYPE.
764 2010-05-12 Jan Hubicka <jh@suse.cz>
766 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
768 * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
769 (cgraph_clone_edge): Update.
770 (cgraph_node_remove_callees): Remove indirect calls too.
771 * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
772 (cgraph_create_indirect_edge): Update prototype.
773 * ipa-reference.c (has_proper_scope_for_analysis): Rename to
774 is_proper_for_analysis.
775 (add_new_function, visited_nodes, function_insertion_hook_holder,
776 get_local_reference_vars_info, mark_address_taken, mark_address,
777 mark_load, mark_store, check_asm_memory_clobber, check_call,
778 scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
779 (ipa_init): Do not initialize visited_nodes;
780 function_insertion_hook_holder.
781 (analyze_variable): Rewrite.
782 (analyze_function): Rewrite.
783 (copy_local_bitmap): Remove.
784 (duplicate_node_dat): Do not duplicate local info.
785 (generate_summary): Simplify to only walk cgraph.
786 (write_node_summary_p, ipa_reference_write_summary,
787 ipa_reference_read_summary): Remove.
788 (propagate): Do not remove function insertion;
790 (pass_ipa_reference): NULLify summary handling fields.
791 * lto-cgraph.c (lto_output_edge): Output ecf_flags.
792 (input_edge): Input ecf_flags.
793 * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
794 (update_indirect_edges_after_inlining): Ignore edges with unknown
797 2010-05-12 Sriraman Tallam <tmsriram@google.com>
799 * implicit-zee.c: New file.
800 * tree-pass.h (pass_implicit_zee): Declare.
801 * passes.c (init_optimization_passes): Add zee pass.
802 * common.opt (fzee): New flag.
803 * timevar.def (TV_ZEE): Define.
804 * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
806 * Makefile.in (implicit-zee.o): Add new build file.
808 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
809 Nathan Froyd <froydnj@codesourcery.com>
811 * c-common.c (sync_resolve_params): Remove write-only variable.
813 2010-05-12 Anatoly Sokolov <aesok@post.ru>
815 * target.h (struct gcc_target): Add mode_dependent_address_p field.
816 * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
817 (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
818 * targhooks.c (default_mode_dependent_address_p): New function.
819 * targhooks.h (default_mode_dependent_address_p): Declare function.
820 * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
821 (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
822 * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
823 target hook. Change return type to bool.
824 * recog.h: (mode_dependent_address_p): Change return type to bool.
826 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
827 Nathan Froyd <froydnj@codesourcery.com>
829 * tree-mudflap.c (build_function_type_0, build_function_type_1,
830 build_function_type_2, build_function_type_3): Remove.
831 (mudflap_init): Use build_function_type_list.
833 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
834 Nathan Froyd <froydnj@codesourcery.com>
836 * coverage.c (build_fn_info_value): Call build_constructor instead of
837 build_constructor_from_list.
838 (build_ctr_info_value): Likewise.
839 (build_gcov_info): Likewise.
841 2010-05-12 Nathan Froyd <froydnj@codesourcery.com>
843 * tree.c (build_constructor): Compute TREE_CONSTANT for the
844 resultant constructor.
845 (build_constructor_single): Don't set TREE_CONSTANT.
846 (build_constructor_from_list): Don't compute TREE_CONSTANT.
848 2010-05-12 Jan Hubicka <jh@suse.cz>
850 * cgraph.h (struct varpool_node): Add aux.
851 * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
852 * varpool.c (varpool_remove_node): Do not remove initializer.
853 (varpool_reset_queue): Export.
854 (varpool_finalize_decl): Volatile vars are forced to be output.
855 * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
857 * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
858 process_references, varpool_can_remove_if_no_refs): New functions.
859 (cgraph_remove_unreachable_nodes): Handle variables too.
861 2010-05-12 H.J. Lu <hongjiu.lu@intel.com>
864 * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
866 2010-05-12 Jakub Jelinek <jakub@redhat.com>
869 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
870 change value of ORT_TASK.
871 (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
872 (omp_notice_threadprivate_variable): New function.
873 (omp_notice_variable): Call it for threadprivate variables.
874 If enclosing ctx is a task, print enclosing task rather than
875 enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK.
876 (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
877 if task has untied clause.
880 * dwarf2out.c (base_type_die): Don't add name attribute here.
881 (modified_type_die): Instead of sizetype use
882 its underlying original type. If a DW_TAG_base_type doesn't
883 have name added, add __unknown__.
884 (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
885 always call force_type_die instead.
887 2010-05-12 Maxim Kuvyrkov <maxim@codesourcery.com>
889 * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
890 for __stack_chk_guard.
892 2010-05-11 Jakub Jelinek <jakub@redhat.com>
894 * c-opts.c (c_common_parse_file): If start_end_main_source_file,
895 don't call start_source_file debug hook here...
896 (finish_options): ... but here, after outputting predefined and
897 command line defines and undefs.
900 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
902 * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
903 optimizing away empty bb with no successors, move over its
904 footer chain to fallthru predecessor.
905 * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
906 (rtl_split_edge): For asm goto call patch_jump_insn even if
907 splitting fallthru edge.
910 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
911 even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
912 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
913 * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
917 * c-parser.c (c_parser_expression): Mark LHS of a comma
918 expression as read if it is a decl, handled component or
919 COMPOUND_EXPR with that on the RHS.
920 * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
921 if it is a decl or handled component.
923 2010-05-11 Jan Hubicka <jh@suse.cz>
925 * lto-symtab.c (lto_symtab_free): New function.
926 * lto-streamer.h (lto_symtab_free): Declare.
928 2010-05-11 Jan Hubicka <jh@suse.cz>
930 * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
931 that if function is needed it is reachable.
932 (lto_output_node): See if it the function is reachable or referenced.
933 (output_cgraph): Update call of lto_output_node.
934 * lto-streamer.h (reachable_from_other_partition_p): Declare.
936 2010-05-11 Jan Hubicka <jh@suse.cz>
938 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
941 2010-05-11 Jan Hubicka <jh@suse.cz>
943 PR tree-optimize/44063
944 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
946 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
948 (estimate_function_body_sizes): Compute sizes even when disregarding.
950 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
952 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
954 2010-05-11 Jan Hubicka <jh@suse.cz>
956 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
959 2010-05-11 Jan Hubicka <jh@suse.cz>
961 * matrix-reorg.c (matrix_reorg): Rebuild edges.
963 2010-05-11 Jan Hubicka <jh@suse.cz>
965 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
966 lto_streamer_cache_delete): Put nodes into heap.
967 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
970 2010-05-11 Jan Hubicka <jh@suse.cz>
972 * cgraphbuild.c (cgraph_rebuild_references): New.
973 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
975 * cgraph.h (cgraph_rebuild_references): Declare.
976 * tree-inline.c (tree_function_versioning): Use it.
977 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
979 2010-05-11 Jan Hubicka <jh@suse.cz>
981 * cgraph.c: Include ipa-utils.h
982 (cgraph_create_virtual_clone): Update references.
983 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
985 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
987 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
988 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
991 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
993 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
995 2010-05-11 Jakub Jelinek <jakub@redhat.com>
997 * gcc.c (execute): For -### don't quote arguments that
998 contain just alphanumerics and _/-. characters.
999 * doc/invoke.texi: Document that change for -###.
1002 * df-problems.c (struct dead_debug): Add to_rescan field.
1003 (dead_debug_init): Clear to_rescan field.
1004 (dead_debug_finish): Rescan all debug insns in to_rescan
1005 bitmap and free the bitmap.
1006 (dead_debug_insert_before): Instead of rescanning debug insns
1007 immediately queue their rescanning until dead_debug_finish.
1008 (df_note_bb_compute): After dead_debug_add do continue instead
1011 2010-05-10 Jakub Jelinek <jakub@redhat.com>
1014 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
1015 clear also INSN_REG_USE_LIST.
1017 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1019 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
1021 2010-05-10 Jan Hubicka <jh@suse.cz>
1023 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
1026 2010-05-10 Jan Hubicka <jh@suse.cz>
1028 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
1030 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
1031 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
1032 (lto_streamer_cache_create): Init alloc pool.
1033 (lto_streamer_cache_delete): Free alloc pool.
1034 * lto-streamer.h: Include alloc pool.
1035 (lto_streamer_cache_d): Use alloc pool.
1036 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
1038 2010-05-10 Jan Hubicka <jh@suse.cz>
1040 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
1041 * cgraphbuild.c: Include except.h
1042 (record_type_list, record_eh_tables): New function.
1043 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
1045 2010-05-10 Jan Hubicka <jh@suse.cz>
1047 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
1048 __frame_dummy_init_array_entry, force_to_data): Attribute as used
1051 2010-05-10 Michael Matz <matz@suse.de>
1053 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
1054 (can_reassociate_p): Use FLOAT_TYPE_P.
1055 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
1056 (vect_force_simple_reduction): ... this.
1057 * tree-parloops.c (gather_scalar_reductions): Use
1058 vect_force_simple_reduction.
1059 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
1060 vect_is_simple_reduction, add modify argument, if true rewrite
1061 "a-b" into "a+(-b)".
1062 (vect_is_simple_reduction, vect_force_simple_reduction): New
1064 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
1066 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
1067 Vladimir Makarov <vmakarov@redhat.com>
1069 PR rtl-optimization/44012
1070 * ira-build.c (remove_unnecessary_allocnos): Nullify
1071 regno_allocno_map of the removed allocno.
1073 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1075 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
1077 * configure: Regenerate.
1079 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1081 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
1083 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
1084 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
1086 * configure: Regenerate.
1088 2010-05-10 Richard Guenther <rguenther@suse.de>
1090 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
1091 marked if the entry identifier is marked.
1093 2010-05-10 Richard Guenther <rguenther@suse.de>
1095 * c-common.c (struct c_common_attributes): Add fnspec attribute.
1096 (handle_fnspec_attribute): New function.
1097 * gimple.h (gimple_call_return_flags): Declare.
1098 (gimple_call_arg_flags): Likewise.
1099 * gimple.c (gimple_call_arg_flags): New function.
1100 (gimple_call_return_flags): Likewise.
1101 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
1103 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
1105 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
1106 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
1108 (make_heapvar_for): ... this new function.
1109 (handle_rhs_call): Handle fnspec attribute argument specifiers.
1110 (handle_lhs_call): Likewise.
1111 (find_func_aliases): Adjust.
1113 2010-05-10 Richard Guenther <rguenther@suse.de>
1115 PR tree-optimization/44050
1116 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
1118 2010-05-10 Wei Guozhi <carrot@google.com>
1121 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
1123 2010-05-09 Joseph Myers <joseph@codesourcery.com>
1126 * c-typeck.c (lookup_field): Take a type directly. Update
1128 (build_component_ref): Update call to lookup_field.
1129 (set_init_label): Use lookup_field to find initialized field.
1130 Handle returned list of fields like a sequence of designators.
1132 2010-05-09 Richard Guenther <rguenther@suse.de>
1135 * fold-const.c (tree_single_nonzero_warnv_p): Properly
1136 handle &FUNCTION_DECL.
1138 2010-05-09 Joseph Myers <joseph@codesourcery.com>
1141 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
1142 structures and unions recursively.
1143 (detect_field_duplicates): Move duplicate detection with a hash to
1144 detect_field_duplicates_hash. Always use a hash if anonymous
1145 structures or unions are present.
1146 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
1149 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
1152 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
1153 detect Atom, Core 2 and Core i7.
1155 2010-05-09 Richard Guenther <rguenther@suse.de>
1157 * gcc.c (store_arg): Handle temporary file deletion for
1160 2010-05-09 Richard Guenther <rguenther@suse.de>
1163 * ipa-inline.c (estimate_function_body_sizes): Return after
1164 disregarding inline limits.
1166 2010-05-09 Richard Guenther <rguenther@suse.de>
1168 * gcc.c (store_arg): Revert last change.
1170 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
1173 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1174 (optimize_ops_list): Call it.
1176 2010-05-08 Richard Guenther <rguenther@suse.de>
1178 PR tree-optimization/44030
1179 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
1180 NECESSARY flag if we propagate from a inserted expression.
1182 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
1184 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1185 domain types as equal if they are both PLACEHOLDER_EXPRs.
1187 2010-05-08 Richard Guenther <rguenther@suse.de>
1189 * lto-wrapper.c (run_gcc): Remove linker output from
1190 command line for LTRANS invocation.
1192 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1194 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1195 lto-macho as lto_binary_reader.
1196 * target.h (struct gcc_target): New hooks lto_start and lto_end.
1197 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1198 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1199 in lto_start and lto_end calls.
1200 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
1202 (scan_prog_file): Update is_elf_or_coff call.
1203 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1205 * collect2.c (main): Fix enum comparison.
1207 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1209 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1210 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
1211 and TARGET_ASM_LTO_END.
1212 * darwin.c: Include obstack.h and lto-streamer.h.
1213 (lto_section_names_offset, lto_section_names_obstack,
1214 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1216 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1217 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
1218 to a temporary file.
1219 (darwin_asm_lto_end): New function. Restore asm_out_file.
1220 (darwin_asm_named_section): For LTO sections, replace the name with
1221 the offset of the section name in a string table, and build this
1223 (darwin_file_start): Initialize global vars for LTO support.
1224 (darwin_file_end): If output to asm_out_file was redirected, append it
1225 to the proper asm_out_file here. Add the section names section.
1227 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1229 * c-pragma.c (pending_weak_d, pending_weak): New.
1230 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1231 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1232 handle_pragma_weak): Update the uses of pending_weaks.
1234 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1236 PR documentation/44016
1237 * doc/standards.texi (Standards): Link to unversioned
1238 cxx0x_status.html page.
1240 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
1243 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1244 in addition to TREE_USED, to avoid "set but unused" warnings.
1246 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1248 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1249 (is_loop_prefetching_profitable): Do not insert prefetches
1250 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1251 times the prefetch ahead distance.
1253 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1255 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1256 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1257 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1260 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1262 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1263 a diagnostic info when the insn-to-mem ratio is too small.
1265 2010-05-07 Richard Guenther <rguenther@suse.de>
1267 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1269 (store_arg): Queue temp_filename for deletion instead of
1272 2010-05-07 Richard Guenther <rguenther@suse.de>
1274 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1275 (run_gcc): Handle LTRANS phase invocation.
1276 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1278 2010-05-07 Jakub Jelinek <jakub@redhat.com>
1280 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1281 this is also meaningful on PARM_DECLs and RESULT_DECLs.
1283 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1285 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1287 2010-05-07 Richard Guenther <rguenther@suse.de>
1289 PR tree-optimization/44020
1290 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1291 code when PRE is not yet initialized.
1293 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1295 * config/mips/dbxmdebug.h: Remove.
1296 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1298 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
1300 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1301 with null pointer and also warn about ordered comparison of zero with
1304 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1306 * graphite-blocking.c
1307 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1308 * graphite-clast-to-gimple.c
1309 (clast_to_gcc_expression): Same.
1310 (precision_for_value): Same.
1311 (precision_for_interval): Same.
1312 (gcc_type_for_interval): Same.
1313 (graphite_create_new_guard): Same.
1314 (compute_bounds_for_level): Same.
1315 (graphite_create_new_loop_guard): Same.
1316 * graphite-interchange.c
1317 (build_linearized_memory_access): Same.
1318 (pdr_stride_in_loop): Same.
1319 (memory_strides_in_loop_1): Same.
1320 (memory_strides_in_loop): Same.
1321 (extend_scattering): Same.
1322 (psct_scattering_dim_for_loop_depth): Same.
1323 (pbb_number_of_iterations): Same.
1325 (debug_iteration_domains): Same.
1327 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1328 (ppl_set_inhomogeneous_gmp): Same.
1329 (ppl_strip_loop): Same.
1330 (ppl_lexico_compare_linear_expressions): Same.
1331 (ppl_read_polyhedron_matrix): Same.
1332 (ppl_max_for_le_pointset): Same.
1334 (ppl_read_polyhedron_matrix): Same.
1335 (tree_int_to_gmp): Same.
1336 (gmp_cst_to_tree): Same.
1337 (ppl_set_inhomogeneous): Same.
1338 (ppl_set_inhomogeneous_tree): Same.
1339 (ppl_set_coef): Same.
1340 (ppl_set_coef_tree): Same.
1341 * graphite-sese-to-poly.c
1342 (build_pbb_scattering_polyhedrons): Same.
1343 (build_scop_scattering): Same.
1344 (scan_tree_for_params_right_scev): Same.
1345 (scan_tree_for_params): Same.
1346 (find_params_in_bb): Same.
1347 (find_scop_parameters): Same.
1348 (add_upper_bounds_from_estimated_nit): Same.
1349 (build_loop_iteration_domains): Same.
1350 (add_condition_to_domain): Same.
1351 (pdr_add_memory_accesses): Same.
1353 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1355 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1356 CLooG's value_* macros to their respective mpz_* counterparts.
1357 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1358 (graphite_create_new_loop_guard): Same.
1359 * graphite-interchange.c (build_linearized_memory_access): Same.
1360 (pdr_stride_in_loop): Same.
1361 (memory_strides_in_loop_1): Same.
1362 (1st_interchange_profitable_p): Same.
1363 * graphite-poly.c (extend_scattering): Same.
1364 (psct_scattering_dim_for_loop_depth): Same.
1365 (pbb_number_of_iterations): Same.
1366 (pbb_number_of_iterations_at_time): Same.
1367 * graphite-poly.h (new_1st_loop): Same.
1368 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1369 (oppose_constraint): Same.
1370 (insert_constraint_into_matrix): Same.
1371 (ppl_set_inhomogeneous_gmp): Same.
1372 (ppl_set_coef_gmp): Same.
1373 (ppl_strip_loop): Same.
1374 (ppl_lexico_compare_linear_expressions): Same.
1375 (ppl_max_for_le_pointset): Same.
1376 (ppl_min_for_le_pointset): Same.
1377 (ppl_build_realtion): Same.
1378 * graphite-ppl.h (gmp_cst_to_tree): Same.
1379 (ppl_set_inhomogeneous): Same.
1380 (ppl_set_inhomogeneous_tree): Same.
1381 (ppl_set_coef): Same.
1382 (ppl_set_coef_tree): Same.
1383 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1384 (build_scop_scattering): Same.
1385 (add_value_to_dim): Same.
1386 (scan_tree_for_params_right_scev): Same.
1387 (scan_tree_for_params_int): Same.
1388 (scan_tree_for_params): Same.
1389 (find_params_in_bb): Same.
1390 (find_scop_parameters): Same.
1391 (add_upper_bounds_from_estimated_nit): Same.
1392 (build_loop_iteration_domains): Same.
1393 (create_linear_expr_from_tree): Same.
1394 (add_condition_to_domain): Same.
1395 (pdr_add_memory_accesses): Same.
1397 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
1398 Jason Merrill <jason@redhat.com>
1400 * c-common.c (c_common_reswords): Add nullptr.
1401 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
1402 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1403 (gen_type_die_with_usage): Likewise.
1404 * dbxout.c (dbxout_type): Likewise.
1405 * sdbout.c (plain_type_1): Likewise.
1407 2010-05-06 Jason Merrill <jason@redhat.com>
1409 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1410 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
1412 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1414 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1415 stripping WITH_SIZE_EXPR.
1416 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1419 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1421 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1422 list of obsolete configurations.
1423 Disabled check for obsolete configurations.
1424 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1425 Removed support for previous versions.
1426 * config/mips/iris.h: Removed.
1427 * config/mips/iris5.h: Removed.
1428 * config/mips/iris6.h: Merged old iris.h contents.
1429 (TARGET_IRIX): Removed.
1430 (DRIVER_SELF_SPECS): Removed mabi=32.
1431 (IDENT_ASM_OP): Removed undef.
1432 (STARTFILE_SPEC): Removed mabi=32.
1433 (ENDFILE_SPEC): Likewise.
1434 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1435 (MACHINE_TYPE): Update for IRIX 6.5.
1436 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1437 TARGET_IRIX by TARGET_IRIX6.
1438 (mips_file_start): Likewise.
1439 (mips_output_external): Remove IRIX 5/6 O32 support.
1440 (mips_output_function_prologue): Likewise.
1441 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1443 (TARGET_CPU_CPP_BUILTINS): Likewise.
1444 (TARGET_IRIX): Removed.
1445 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1446 (MULTILIB_DIRNAMES): Removed 32.
1447 (MULTILIB_OSDIRNAMES): Removed ../lib.
1448 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1449 (Specific, mips-sgi-irix5): Document removal.
1450 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1451 Remove references to older IRIX 6 releases and the O32 ABI.
1453 2010-05-06 Jakub Jelinek <jakub@redhat.com>
1456 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1457 instead of DF_REF_REAL_REG.
1459 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
1462 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1463 handling to still return true for x64 targets.
1465 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1467 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1469 2010-05-06 Jan Hubicka <jh@suse.cz>
1471 PR tree-optimization/43791
1472 * ipa-inline.c (update_caller_keys): Remove bogus
1473 disregard_inline_limits check.
1475 2010-05-06 Michael Matz <matz@suse.de>
1477 PR tree-optimization/43984
1478 * tree-ssa-pre.c (inserted_phi_names): Remove.
1479 (inserted_exprs): Change to bitmap.
1480 (create_expression_by_pieces): Set bits, don't append to vector.
1481 (insert_into_preds_of_block): Don't handle inserted_phi_names.
1482 (eliminate): Don't look at inserted_phi_names, remove deleted
1483 insns from inserted_exprs.
1484 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1485 (init_pre, fini_pre): Allocate and free bitmaps.
1486 (execute_pre): Insert insns on edges before elimination.
1488 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1490 * tree.c (initializer_zerop): Handle STRING_CST.
1492 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
1495 * doc/invoke.texi (Wimplicit): Document as C only.
1496 * opts.c (common_handle_option): Add argument kind.
1497 (handle_option): Rename as read_cmdline_option. Factor out code to...
1498 (handle_option): ... here. New.
1499 (handle_options): Rename as read_cmdline_options.
1500 (decode_options): Update call.
1501 (set_option): Use option index instead of option pointer. Classify
1502 diagnostics correctly.
1503 (enable_warning_as_error): Call handle_option.
1504 * opts.h (set_option): Update declaration.
1505 (handle_option): Declare.
1506 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1507 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1508 * c-opts.c (set_Wimplicit): Delete.
1509 (c_family_lang_mask): New static constant.
1510 (c_common_handle_option): Add argument kind. Use handle_option
1511 instead of set_Wimplicit.
1512 (c_common_post_options): warn_implicit and warn_implicit_int
1513 are disabled by default.
1514 * c-common.c (warn_implicit): Do not define here.
1515 * c-common.h (warn_implicit): Do not declare here.
1516 (c_common_handle_option): Update declaration.
1517 * lto-opts.c (lto_reissue_options): Update call to set_option.
1519 2010-05-06 Richard Guenther <rguenther@suse.de>
1521 PR tree-optimization/43571
1522 * domwalk.c (walk_dominator_tree): Walk the dominator
1523 sons in more optimal order.
1525 2010-05-06 Richard Guenther <rguenther@suse.de>
1527 PR tree-optimization/43934
1528 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1529 (stmt_cost): Likewise.
1530 (extract_true_false_args_from_phi): New helper.
1531 (determine_max_movement): For PHI nodes verify we can hoist them
1532 and compute their cost.
1533 (determine_invariantness_stmt): Handle PHI nodes.
1534 (move_computations_stmt): Likewise. Hoist PHI nodes in
1535 if-converted form using COND_EXPRs.
1536 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1537 (tree_ssa_lim): Likewise.
1538 * tree-flow.h (tree_ssa_lim): Adjust prototype.
1539 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1541 2010-05-06 Richard Guenther <rguenther@suse.de>
1543 PR tree-optimization/43987
1544 * tree-ssa-structalias.c (could_have_pointers): For possibly
1545 address-taken variables force pointers to be recorded.
1546 (create_variable_info_for_1): Likewise.
1547 (push_fields_onto_fieldstack): Pass in wheter all fields
1549 (find_func_aliases): Query types instead of vars whether
1550 they contain pointers where appropriate.
1552 2010-05-06 Jan Hubicka <jh@suse.cz>
1554 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1555 (record_reference, mark_address, mark_load, mark_store): Record
1557 (record_references_in_initializer): Update call of record_references.
1558 (rebuild_cgraph_edges): Remove all references before rebuiding.
1559 * cgraph.c (cgraph_create_node): Clear ref list.
1560 (cgraph_remove_node): Remove references.
1561 (dump_cgraph_node): Dump references.
1562 (cgraph_clone_node): Clone references.
1563 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1564 (struct cgraph_node, varpool_node): Add ref_lst.
1565 * ipa-ref.c: New file.
1566 * ipa-ref.h: New file.
1567 * ipa-ref-inline.h: New file.
1568 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1569 (referenced_from_other_partition_p): New function.
1570 (lto_output_varpool_node): Take set arugment; call
1571 referenced_from_other_partition.
1572 (lto_output_ref): New.
1573 (add_references): New.
1575 (output_cgraph): Compute boundary based on references; output refs.
1576 (output_varpool): Accept cgraph_node_set argument.
1579 (input_cgraph): Call input_refs.
1580 * lto-section-in.c (lto_section_name): Add refs.
1581 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1582 (ipa-ref.o): New file.
1583 * varpool.c (varpool_node): Clear ipa ref list.
1584 (varpool_remove_node): Remove references.
1585 (dump_varpool_node): Dump references.
1586 (varpool_assemble_decl): Only compile finalized ones.
1587 (varpool_extra_name_alias): Initialize ref list.
1588 * lto-streamer.c (lto-get_section_name): Add .refs section.
1589 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1590 (referenced_from_other_partition_p): Declared.
1592 2010-05-06 Ira Rosen <irar@il.ibm.com>
1594 PR tree-optimization/43901
1595 * tree-vect-stmts.c (vectorizable_call): Assert that vector
1596 type is not NULL if it's transformation phase, and return
1597 FALSE if it's analysis.
1598 (vectorizable_conversion, vectorizable_operation,
1599 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1601 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
1603 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1605 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1607 * config/mips/mips-protos.h
1608 (mips_small_register_classes_for_mode_p): Delete prototype.
1610 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
1612 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1613 * config/arm/arm.c (multiple_operation_profitable_p,
1614 compute_offset_order): New static functions.
1615 (load_multiple_sequence, store_multiple_sequence): Use them.
1616 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
1617 memory offsets, not register numbers.
1618 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1620 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
1622 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1623 (get_pending_sizes, put_pending_size, put_pending_sizes):
1624 Update the uses of pending_sizes.
1625 * c-decl.c (store_parm_decls): Likewise.
1626 * c-tree.h (struct c_arg_info): Likewise.
1627 * tree.h: Update the prototype for get_pending_sizes and
1630 2010-05-05 Jason Merrill <jason@redhat.com>
1633 * c-common.c (handle_aligned_attribute): Respect
1634 ATTR_FLAG_TYPE_IN_PLACE.
1637 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1638 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1639 (TARGET_INITIALIZER): Use it.
1640 * c-common.c (attribute_takes_identifier_p): Call it.
1641 * c-common.h: Update prototype.
1642 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1643 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1645 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1648 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1649 DW_ID_down_case for Fortran compilation units.
1651 2010-05-05 Jan Hubicka <jh@suse.cz>
1653 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1656 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
1658 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1659 a variable-sized RESULT_DECL.
1661 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
1663 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1665 2010-05-05 Jason Merrill <jason@redhat.com>
1668 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1670 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1672 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
1673 Jakub Jelinek <jakub@redhat.com>
1676 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1677 (dead_debug_init, dead_debug_finish): New functions.
1678 (dead_debug_add, dead_debug_insert_before): Likewise.
1679 (df_note_bb_compute): Initialize a dead_debug object, add dead
1680 debug uses to it, insert debug bind insns before death insns,
1681 reset debug insns that refer to pending uses at the end.
1682 * rtl.h (make_debug_expr_from_rtl): New prototype.
1683 * varasm.c (make_debug_expr_from_rtl): New function.
1685 2010-05-05 Jan Hubicka <jh@suse.cz>
1687 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1688 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1689 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1690 lto_varpool_encoder_deref, lto_varpool_encoder_size,
1691 lto_varpool_encoder_encode_initializer_p,
1692 lto_set_varpool_encoder_encode_initializer): New functions.
1693 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1694 call output_varpool.
1695 (input_varpool_node): Do not always set analyzed.
1696 (input_cgraph_1): Return vector of cgraph nodes.
1697 (input_varpool_1): Return vector of varpools.
1698 (input_cgraph): Free the vectors.
1699 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1700 output only initializers needed.
1701 (lto_output): Only call output_cgraph.
1702 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1703 * lto-section-out.c (lto_new_out_decl_state): Initialize
1704 state->varpool_node_encoder.
1705 * lto-streamer.h (lto_varpool_encoder_d): New.
1706 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1707 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1708 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1709 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1710 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1712 (output_varpool, input_varpool): Remove declarations.
1714 2010-05-05 Jan Hubicka <jh@suse.cz>
1716 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1717 with body can prevail.
1719 2010-05-05 Jan Hubicka <jh@suse.cz>
1721 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1724 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1726 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1728 * gengtype.h (erro_at_line): Constify pos argument.
1730 * gengtype.c: Include hashtab.h.
1731 (enum gc_used): Document GC_MAYBE_POINTED_TO.
1732 (error_at_line): Constify pos argument.
1733 (do_typedef): Initialize p->opt field.
1734 (get_file_gtfilename): Fix comment typo.
1735 (struct walk_type_data): Constify line field.
1736 (get_output_file_for_structure): New function.
1737 (write_local_func_for_structure): Constify orig_s argument.
1738 Use get_output_file_for_structure.
1739 (write_func_for_structure): Use get_output_file_for_structure.
1740 (INDENT): New define.
1741 (dump_pair, dump_type, dump_type_list, dump_typekind)
1742 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1743 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1745 (seen_types): New variable.
1746 (main): New variable do_dump. Process "-d" command line option.
1747 Call dump_everything if dump requested.
1749 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1751 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1752 in a temporary instead of invoking the macro multiple times.
1753 (track_expr_p): Likewise.
1755 2010-05-04 Neil Vachharajani <nvachhar@google.com>
1757 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1759 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1760 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
1761 conditions for printing notes.
1762 * common.opt (-Wcoverage-mismatch): Allow negative, default to
1763 true, update documentation.
1764 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1766 2010-05-04 Jakub Jelinek <jakub@redhat.com>
1769 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1772 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1775 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1776 (*sse_prologue_save_insn1): Likewise.
1777 (SSE prologue save splitter): Likewise.
1779 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
1781 * tree.c (free_lang_data_in_one_sizepos): New inline function.
1782 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1783 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1784 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1785 all decls. Call it on DECL_FIELD_OFFSET of fields.
1786 (find_decls_types_r): Follow DECL_VALUE_EXPR.
1787 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1789 2010-05-04 Martin Jambor <mjambor@suse.cz>
1791 * tree-sra.c (build_access_from_expr_1): The first parameter type
1792 changed to simple tree.
1793 (build_access_from_expr): Likewise, gsi parameter was eliminated.
1794 (scan_assign_result): Renamed to assignment_mod_result, enum elements
1796 (build_accesses_from_assign): Removed all parameters except for a
1797 simple gimple statement. Now returns a simple bool.
1798 (scan_function): All non-analysis parts moved to separate functions
1799 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
1800 parameters and updated both callers.
1801 (sra_modify_expr): Removed parameter data.
1802 (sra_modify_function_body): New function.
1803 (perform_intra_sra): Call sra_modify_function_body to modify the
1805 (replace_removed_params_ssa_names): Parameter data changed into
1807 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
1808 changed the parameter dont_convert to convert with the opposite
1810 (sra_ipa_modify_assign): Parameter data changed into adjustments
1811 vector, return value changed to bool.
1812 (ipa_sra_modify_function_body): New function.
1813 (sra_ipa_reset_debug_stmts): Updated a comment.
1814 (modify_function): Use ipa_sra_modify_function_body to modify function
1817 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1820 * alias.c (true_dependence): Handle the same VALUE in x and mem.
1821 (canon_true_dependence): Likewise.
1822 (write_dependence_p): Likewise.
1824 2010-05-04 Jan Hubicka <jh@suse.cz>
1826 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1827 * cgraphbuild.c: Include ipa-utils.h
1828 (record_reference_ctx): New struct.
1829 (record_reference): Simplify to work on initializers; not statements.
1830 (mark_address, mark_load, mark_store): New.
1831 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1833 (record_references_in_initializer): Update use of record_reference.
1834 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1837 2010-05-04 Jan Hubicka <jh@suse.cz>
1839 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1840 node will be removed anyway.
1841 (lto_varpool_replace_node): Allow also unanalyzed nodes;
1842 relink aliases of node into prevailing node.
1843 * varpool.c (varpool_remove_node): Remove aliases properly;
1844 when removing node, remove all its aliases too; remove DECL_INITIAL
1845 of removed node; ggc_free the varpool node.
1847 2010-05-04 Richard Guenther <rguenther@suse.de>
1849 PR tree-optimization/43879
1850 * tree-ssa-structalias.c (alias_get_name): Use
1851 DECL_ASSEMBLER_NAME if available.
1852 (create_function_info_for): Return the varinfo node.
1853 (ipa_pta_execute): Associate same-body aliases and extra names
1854 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
1856 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
1858 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1860 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
1863 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1864 only if HONOR_REG_ALLOC_ORDER is not defined.
1866 2010-05-04 Richard Guenther <rguenther@suse.de>
1868 PR tree-optimization/43949
1869 * tree-vrp.c (extract_range_from_binary_expr): Only handle
1872 2010-04-26 Jason Merrill <jason@redhat.com>
1874 * c.opt (-fstrict-enums): New.
1875 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1877 2010-05-03 David Ung <davidu@mips.com>
1878 James E. Wilson <wilson@codesourcery.com>
1880 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1881 emit the trap instruction before the divide for TUNE_74K.
1883 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
1885 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1886 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1887 based on the above, for new target hook.
1889 * hooks.c (hook_bool_mode_true): New generic hook.
1890 * hooks.h (hook_bool_mode_true): Add prototype.
1892 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1894 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1895 target hook, set to hook_bool_mode_false.
1896 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1897 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1898 with targetm.small_register_classes_for_mode_p.
1899 (find_reusable_reload): Likewise.
1900 (combine_reloads): Likewise.
1901 * reload1.c (reload_as_needed): Likewise.
1902 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1903 * ifcvt.c (noce_process_if_block, check_cond_move_block,
1904 dead_or_predicable): Likewise.
1905 * regmove.c (optimize_reg_copy_1): Likewise.
1906 * calls.c (prepare_call_address): Likewise.
1907 (precompute_register_parameters): Likewise.
1909 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1911 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1912 implementation of the hook that considers all register classes
1913 small except for SH64.
1914 (sh_override_options): Use the new hook.
1915 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1918 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1920 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1921 implementation of the hook that considers all register classes
1923 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1926 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1928 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1929 implementation of the hook that considers all register classes
1931 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1934 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1936 * config/m32c/m32c.h: Likewise.
1937 * config/pdp11/pdp11.h: Likewise.
1938 * config/avr/avr.h: Likewise.
1939 * config/xtensa/xtensa.h: Likewise.
1940 * config/m68hc11/m68hc11.h: Likewise.
1941 * config/mn10300/mn10300.h: Likewise.
1942 * config/mcore/mcore.h: Likewise.
1943 * config/h8300/h8300.h: Likewise.
1944 * config/bfin/bfin.h: Likewise.
1946 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1947 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1949 2010-05-03 Anatoly Sokolov <aesok@post.ru>
1951 * double-int.h (tree_to_double_int): Remove macro.
1952 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1953 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1954 (tree_to_double_int): New function.
1955 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1957 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1959 2010-05-03 Richard Guenther <rguenther@suse.de>
1961 PR tree-optimization/43971
1962 * tree-ssa-structalias.c (get_constraint_for_1): Fix
1963 constraints in the !flag_delete_null_pointer_checks case.
1965 2010-05-03 Jakub Jelinek <jakub@redhat.com>
1968 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1969 result mode matches original rtl mode.
1971 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
1974 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1976 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1978 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1979 when processing flag options.
1981 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1983 * gcov-iov.c (main): Change format string placeholder
1984 from %#08x to 0x%08x.
1985 * genchecksum.c (dosum): Change format string placeholder
1986 from %#02x to 0x%02x.
1988 2010-05-02 Richard Guenther <rguenther@suse.de>
1990 PR tree-optimization/43879
1991 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1993 2010-05-02 Bruno Haible <bruno@clisp.org>
1995 * doc/extend.texi (Function Attributes): Fix a typo.
1997 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2000 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
2001 placeholder from 0x%x to %#x.
2002 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2003 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2004 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2005 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2006 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2007 * config/i386/i386.c (ix86_target_string): Ditto.
2008 * config/i386/i386.c (output_pic_addr_const): Ditto.
2009 (print_operand): Ditto.
2011 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2013 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
2014 placeholder from 0x%x to %#x.
2015 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
2016 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
2017 (ASM_OUTPUT_DEBUG_DATA): Ditto.
2018 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
2019 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
2020 * optc-gen.awk: Ditto.
2021 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
2022 (HOST_WIDE_INT_PRINT_HEX): Ditto.
2023 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
2024 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2026 2010-05-01 Anatoly Sokolov <aesok@post.ru>
2028 * target.h (struct calls): Add function_value_regno_p field.
2029 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2030 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
2031 * targhooks.c (default_function_value_regno_p): New function.
2032 * targhooks.h (default_function_value_regno_p): Declare function.
2033 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
2034 * builtins.c. (apply_result_size): (Ditto.).
2035 * combine.c. (likely_spilled_retval_p): (Ditto.).
2036 * mode-switching.c. Include 'target.h'.
2037 (create_pre_exit): Use function_value_regno_p hook.
2038 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
2039 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
2040 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
2042 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
2043 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
2044 (ix86_function_value_regno_p): Declare as static, change argument
2045 type to const unsigned int.
2046 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
2048 2010-05-01 Richard Guenther <rguenther@suse.de>
2050 PR tree-optimization/43949
2051 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
2053 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
2055 2010-05-01 Anatoly Sokolov <aesok@post.ru>
2057 * rtl.h (CONST_DOUBLE_P): Define.
2058 (rtx_to_double_int): Declare.
2059 * emit-rtl.c (rtx_to_double_int): New function.
2060 * dwarf2out.c (insert_double): New function.
2061 (loc_descriptor, add_const_value_attribute): Clean up, use
2062 rtx_to_double_int and insert_double functions.
2064 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
2066 * doc/extend.texi (Inline): Add missing return keyword to examples.
2067 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
2070 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
2072 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
2073 the variable part of the offset as well. Use highest_pow2_factor for
2074 all alignment checks.
2076 2010-04-30 Richard Guenther <rguenther@suse.de>
2078 PR tree-optimization/43879
2079 * tree-ssa-structalias.c (type_could_have_pointers): Functions
2082 2010-04-30 Jan Hubicka <jh@suse.cz>
2084 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
2086 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
2088 2010-04-30 Jan Hubicka <jh@suse.cz>
2090 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
2092 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
2093 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
2094 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
2095 cgraph_node_set_needs_ltrans_p): Remove.
2097 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
2099 * sdbout.c: Include vec.h, do not include varray.h.
2100 (deferred_global_decls, sdbout_global_decl,
2101 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
2102 * toplev.c: Do not include varray.h.
2103 (dump_memory_report): Do not dump VARRAY statistics.
2104 * gengtype.c (open_base_file): Ignore varray.h.
2105 * Makefile.in: Update for abovementioned changes.
2106 Remove all traces of varray.c and varray.h.
2107 * varray.c: Remove file.
2108 * varray.h: Remove file.
2110 2010-04-30 Jan Hubicka <jh@suse.cz>
2112 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
2115 2010-04-30 Jan Hubicka <jh@suse.cz>
2117 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
2120 2010-04-30 Richard Guenther <rguenther@suse.de>
2122 * tree-ssa-structalias.c (get_constraint_for_1): Generate
2123 constraints for CONSTRUCTOR.
2125 2010-04-30 Richard Guenther <rguenther@suse.de>
2128 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
2129 first after all lowering passes.
2131 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
2133 * toplev.c: Include varray.h for statistics dumping.
2134 * tree.h: Do not declare varray_head_tag.
2135 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
2136 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
2137 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
2138 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
2139 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
2140 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
2141 c-common.c, c-common.h, reg-stack.c, basic-block.h,
2142 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
2144 * Makefile.in: Update for abovementioned changes.
2146 2010-04-30 Jakub Jelinek <jakub@redhat.com>
2149 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
2151 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2153 * config/picochip/picochip.c (picochip_legitimize_address): Define.
2154 Use this function to do machine-specific conversion.
2155 (picochip_legitimize_reload_address): Likewise.
2156 (picochip_legitimate_address_p): Check valid base register only if
2158 (picochip_check_conditional_copy): Check for modw only if opnd is
2160 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2161 to call the function in c.
2162 * config/picochip/picochip-protos.h
2163 (picochip_legitimize_reload_address): Define.
2164 * config/picochip/picochip.md (supported_compare1): Define.
2166 2010-04-30 Jan Hubicka <jh@suse.cz>
2168 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2169 (cgraph_global_info): Remove inlined.
2170 (LTO_cgraph_tag_names): Remove.
2171 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2172 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2173 simplify cgraph tags and document.
2174 (lto_output_node): Use only LTO_cgraph_unavail_node and
2175 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2176 for_functions_valid, global info, process and output flags.
2177 (input_overwrite_node): Initialize estimated stack size and
2178 estimated growth. Do not read flags we no longer store.
2179 (input_node): Likewise do not read info no longer stored.
2180 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2183 2010-04-30 Richard Guenther <rguenther@suse.de>
2185 PR tree-optimization/43879
2186 * tree-ssa-structalias.c (get_constraint_for_1): Properly
2187 handle non-zero initializers.
2189 2010-04-30 Richard Guenther <rguenther@suse.de>
2191 * builtins.c (fold_builtin_1): Delete free (0).
2193 2010-04-29 Jan Hubicka <jh@suse.cz>
2195 * gengtype.c (open_base_files): Add lto-streamer.h
2196 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2197 (pass_ipa_cp): GGC collect.
2198 * toplev. (compile_file): Do not output symbols.
2199 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2200 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2201 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2202 * lto-section-in.c: Include ggc.h
2203 (lto_new_in_decl_state): Alloc in GGC.
2204 (lto_delete_in_decl_state): Likewise.
2205 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2208 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2211 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2212 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
2213 (HONOR_REG_ALLOC_ORDER): Describe new macro.
2214 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2215 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2216 account only if HONOR_REG_ALLOC_ORDER is not defined.
2217 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2218 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2220 2010-04-29 Jon Grant <04@jguk.org>
2222 * collect2.c (vflag): Change type from int to bool.
2224 (helpflag): New global bool.
2225 (main): Set vflag and debug with boolean, not integer truth values.
2226 Accept new "--help" option and output usage text if found.
2227 * collect2.h (vflag): Update prototype.
2230 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2233 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2235 2010-04-29 Richard Guenther <rguenther@suse.de>
2238 * plugin.h (invoke_plugin_callbacks): Annotate arguments
2239 with ATTRIBUTE_UNUSED.
2241 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2244 * config/i386/i386.c (get_some_local_dynamic_name): Replace
2245 INSN_P with NONDEBUG_INSN_P.
2246 (distance_non_agu_define): Likewise.
2247 (distance_agu_use): Likewise.
2249 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2251 From Dominique d'Humieres <dominiq@lps.ens.fr>
2253 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2256 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
2258 * plugin.h (invoke_plugin_callbacks): New inline function.
2259 * plugin.c (flag_plugin_added): New global flag.
2260 (add_new_plugin): Initialize above flag.
2261 (invoke_plugin_callbacks): Rename to ...
2262 (invoke_plugin_callbacks_full): ... this.
2264 2010-04-28 Jan Hubicka <jh@suse.cz>
2266 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2267 (lto_varpool_replace_node): New.
2268 (lto_symtab_resolve_symbols): Resolve varpool nodes.
2269 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2270 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2271 * cgraph.h (varpool_node_ptr): New type.
2272 (varpool_node_ptr): New vector.
2273 (varpool_node_set_def): New structure.
2274 (varpool_node_set): New type.
2275 (varpool_node_set): New vector.
2276 (varpool_node_set_element_def): New structure.
2277 (varpool_node_set_element, const_varpool_node_set_element): New types.
2278 (varpool_node_set_iterator): New type.
2279 (varpool_node): Add prev pointers, add used_from_other_partition,
2281 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2282 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2283 varpool_get_node, varpool_remove_node): Declare.
2284 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2285 varpool_node_set_size): New inlines.
2286 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2287 * tree-pass.h (varpool_node_set_def): Forward declare.
2288 (ipa_opt_pass_d): Summary writting takes vnode sets too.
2289 (ipa_write_optimization_summaries): Update prototype.
2290 * ipa-cp.c (ipcp_write_summary): Update.
2291 * ipa-reference.c (ipa_reference_write_summary): Update.
2292 * lto-cgraph.c (lto_output_varpool_node): New static function.
2293 (output_varpool): New function.
2294 (input_varpool_node): New static function.
2295 (input_varpool_1): New function.
2296 (input_cgraph): Input varpool.
2297 * ipa-pure-const.c (pure_const_write_summary): Update.
2298 * lto-streamer-out.c (lto_output): Update, output varpool too.
2299 (write_global_stream): Kill WPA hack.
2300 (produce_asm_for_decls): Update.
2301 (output_alias_pair_p): Handle variables.
2302 (output_unreferenced_globals): Output only needed partition of varpool.
2303 * ipa-inline.c (inline_write_summary): Update.
2304 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2306 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2307 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2308 varpool_node_set_new, varpool_node_set_add,
2309 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2310 debug_varpool_node_set): New functions.
2311 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2312 (execute_one_pass): Process new decls too.
2313 (ipa_write_summaries_2): Pass around vsets.
2314 (ipa_write_summaries_1): Likewise.
2315 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2317 (ipa_write_optimization_summaries_1): Pass around vsets.
2318 (ipa_write_optimization_summaries): Likewise.
2319 * varpool.c (varpool_get_node): New.
2320 (varpool_node): Update doubly linked lists.
2321 (varpool_remove_node): New.
2322 (dump_varpool_node): More dumping.
2323 (varpool_enqueue_needed_node): Update doubly linked lists.
2324 (decide_is_variable_needed): Kill ltrans hack.
2325 (varpool_finalize_decl): Kill lto hack.
2326 (varpool_assemble_decl): Skip decls in other partitions.
2327 (varpool_assemble_pending_decls): Update doubly linkes lists.
2328 (varpool_empty_needed_queue): Likewise.
2329 (varpool_extra_name_alias): Likewise.
2330 * lto-streamer.c (lto_get_section_name): Add vars section.
2331 * lto-streamer.h (lto_section_type): Update.
2332 (output_varpool, input_varpool): Declare.
2334 2010-04-28 Mike Stump <mikestump@comcast.net>
2336 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2338 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2340 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2341 record or union type with RECORD_OR_UNION_TYPE_P predicate.
2342 (lto_input_ts_type_tree_pointers): Likewise.
2343 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2344 (lto_output_ts_type_tree_pointers): Likewise.
2346 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2348 Uniquization of constants at the Tree level
2349 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2350 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2352 (tree_output_constant_def): Declare.
2353 * gimplify.c (gimplify_init_constructor): When using block copy, first
2354 uniquize the constant constructor on the RHS.
2355 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2356 DECL_IN_CONSTANT_POOL flag.
2357 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2358 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2360 (assemble_variable): Deal with symbols belonging to the tree constant
2362 (get_constant_section): Add ALIGN parameter and simplify.
2363 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2364 (assemble_constant_contents): Use the expression of the VAR_DECL.
2365 (output_constant_def_contents): Use the alignment of the VAR_DECL.
2366 (tree_output_constant_def): New global function.
2367 (mark_constant): Use the expression of the VAR_DECL.
2368 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2370 (output_object_block): Likewise and assemble the expression.
2372 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2374 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2375 hash_tree, eq_tree): New tree hash table.
2376 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2377 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2378 lto_orig_address_remove): Reimplement.
2380 2010-04-28 Xinliang David Li <davidxl@google.com>
2383 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2384 (compute_uninit_opnds_pos): New function.
2385 (is_non_loop_exit_postdominating): New function.
2386 (compute_control_dep_chain): New function.
2387 (find_pdom): New function.
2388 (convert_control_dep_chain_into_preds): New function.
2389 (find_predicates): New function.
2390 (find_control_equiv_block): New function.
2391 (collect_phi_def_edges): New function.
2392 (find_def_preds): New function.
2393 (find_dom): New function.
2394 (dump_predicates): New function.
2395 (get_cmp_code): New function.
2396 (is_value_included_in): New function.
2397 (find_matching_predicate_in_rest_chains): New function.
2398 (use_pred_not_overlap_with_undef_path_pred): New function.
2399 (is_use_properly_guarded): New function.
2400 (normalize_cond_1): New function.
2401 (is_and_or_or): New function.
2402 (normalize_cond): New function.
2403 (is_gcond_subset_of): New function.
2404 (is_subset_of_any): New function.
2405 (is_or_set_subset_of): New function.
2406 (is_and_set_subset_of): New function.
2407 (is_norm_cond_subset_of): New function.
2408 (is_pred_expr_subset_of): New function.
2409 (is_pred_chain_subset_of): New function.
2410 (is_included_in): New function.
2411 (is_superset_of): New function.
2412 (find_uninit_use): New function.
2413 (warn_uninitialized_phi): New function.
2414 (compute_possibly_undefined_names): New function.
2415 (ssa_undefined_value_p): New function.
2416 (execute_late_warn_uninitialized): New function.
2417 * tree-ssa.c (ssa_undefined_value_p): Removed.
2418 (warn_uninit): Changed to extern.
2419 (warn_uninitialized_phi): Removed.
2420 (warn_uninitialized_vars): Changed to extern.
2421 (execute_late_warn_uninitialized): Removed
2422 * tree-flow.h: Add new prototypes.
2423 * timevar.def: Add new time variable.
2424 * Makefile.in: Add new build file.
2426 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
2428 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2431 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2434 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2436 2010-04-28 Martin Jambor <mjambor@suse.cz>
2438 * cgraph.h (struct cgraph_node): New field indirect_calls.
2439 (struct cgraph_indirect_call_info): New type.
2440 (struct cgraph_edge): Removed field indirect_call. New fields
2441 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2442 (cgraph_create_indirect_edge): Declare.
2443 (cgraph_make_edge_direct): Likewise.
2444 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2445 * ipa-prop.h (struct ipa_param_call_note): Removed.
2446 (struct ipa_node_params): Removed field param_calls.
2447 (ipa_create_all_structures_for_iinln): Declare.
2448 * cgraph.c: Described indirect edges and uids in initial comment.
2449 (cgraph_add_edge_to_call_site_hash): New function.
2450 (cgraph_edge): Search also among the indirect edges, use
2451 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2452 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2453 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2455 (initialize_inline_failed): Assign a reason to indirect edges.
2456 (cgraph_create_edge_1): New function.
2457 (cgraph_create_edge): Moved some functionality to
2458 cgraph_create_edge_1.
2459 (cgraph_create_indirect_edge): New function.
2460 (cgraph_edge_remove_callee): Add an assert checking for
2462 (cgraph_edge_remove_caller): Special-case indirect edges.
2463 (cgraph_remove_edge): Likewise.
2464 (cgraph_set_edge_callee): New function.
2465 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2466 (cgraph_make_edge_direct): New function.
2467 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2468 the declaration of the call statement matches.
2469 (cgraph_node_remove_callees): Special-case indirect edges.
2470 (cgraph_clone_edge): Likewise.
2471 (cgraph_clone_node): Clone also the indirect edges.
2472 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2473 indirect_call, dump count of indirect_calls edges.
2474 * ipa-prop.c (iinlining_processed_edges): New variable.
2475 (ipa_note_param_call): Create indirect edges instead of
2476 creating notes. New parameter node.
2477 (ipa_analyze_call_uses): New parameter node, pass it on to
2478 ipa_note_param_call.
2479 (ipa_analyze_stmt_uses): Likewise.
2480 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2481 (print_edge_addition_message): Work on edges rather than on notes.
2482 (update_call_notes_after_inlining): Likewise, renamed to
2483 update_indirect_edges_after_inlining.
2484 (ipa_create_all_structures_for_iinln): New function.
2485 (ipa_free_node_params_substructures): Do not free notes.
2486 (ipa_edge_duplication_hook): Propagate bits within
2487 iinlining_processed_edges bitmap.
2488 (ipa_node_duplication_hook): Do not duplicate notes.
2489 (free_all_ipa_structures_after_ipa_cp): Renamed to
2490 ipa_free_all_structures_after_ipa_cp.
2491 (free_all_ipa_structures_after_iinln): Renamed to
2492 ipa_free_all_structures_after_iinln.
2493 (ipa_write_param_call_note): Removed.
2494 (ipa_read_param_call_note): Removed.
2495 (ipa_write_indirect_edge_info): New function.
2496 (ipa_read_indirect_edge_info): Likewise.
2497 (ipa_write_node_info): Do not stream notes, do stream information
2499 (ipa_read_node_info): Likewise.
2500 (lto_ipa_fixup_call_notes): Removed.
2501 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2502 * ipa-inline.c (pass_ipa_inline): Likewise.
2503 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2504 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2505 * tree-inline.c (copy_bb): Removed an unnecessary double check for
2507 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2509 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2510 (output_cgraph): Stream also indirect edges.
2511 (lto_output_edge): Added capability to stream indirect edges.
2512 (input_edge): Likewise.
2513 (input_cgraph_1): Likewise.
2514 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2517 2010-04-28 Richard Guenther <rguenther@suse.de>
2519 PR tree-optimization/43879
2520 PR tree-optimization/43909
2521 * tree-ssa-structalias.c (struct variable_info): Add
2522 only_restrict_pointers flag.
2523 (new_var_info): Initialize it. Increment stats.total_vars here.
2524 (create_function_info_for): Do not increment stats.total_vars here.
2525 (get_function_part_constraint): Fix build with C++.
2526 (insert_into_field_list): Remove.
2527 (push_fields_onto_fieldstack): Properly merge fields.
2528 (create_variable_info_for): Split and simplify.
2529 (create_variable_info_for_1): New piece.
2530 (intra_create_variable_infos): Properly make restrict constraints
2533 2010-04-28 Richard Guenther <rguenther@suse.de>
2536 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2538 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
2539 Jan Hubicka <hubicka@ucw.cz>
2541 * doc/invoke.texi (-Wsuggest-attribute=const,
2542 -Wsuggest-attribute=pure): Document.
2543 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2544 (function_always_visible_to_compiler_p,
2545 suggest_attribute, warn_function_pure, warn_function_const):
2547 (check_call): Improve debug info.
2548 (analyze_function): Do not check availability.
2549 (add_new_function): Check availability.
2550 (propagate): Output warnings.
2551 (skip_function_for_local_pure_const): New function.
2552 (local_pure_const): Use it; output warnings.
2553 * common.opt (Wsuggest-attribute=const,
2554 Wsuggest-attribute=pure): New.
2556 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2558 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2559 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2560 or DW_CFA_def_cfa_offset{,_sf}.
2562 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2564 * tree.h: Fix truncated long macros.
2566 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
2568 * collect2.c (TARGET_64BIT): Redefine to target's default.
2569 * tlink.c: Likewise.
2570 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2571 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2572 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2573 for underscoring __USER_LABEL_PREFIX__.
2574 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2575 (SUB_LINK_ENTRY32): New.
2576 (SUB_LINK_ENTRY64): New.
2577 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2578 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2579 (SUB_LINK_ENTRY64): New.
2580 (SUB_LINK_ENTRY): New.
2581 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2582 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2583 x64 target is choosen.
2584 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2585 * configure: Regenerated.
2586 * configure.ac (leading-mingw64-underscores): Option added.
2588 2010-04-27 Jan Hubicka <jh@suse.cz>
2590 * doc/invoke.texi (-fipa-profile): Document.
2591 * opts.c (decode_options): Enable ipa-profile at -O1.
2592 * timevar.def (TV_IPA_PROFILE): Define.
2593 * common.opt (fipa-profile): Add.
2594 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2596 (cgraph_propagate_frequency): Handle only local ones.
2597 * tree-pass.h (pass_ipa_profile): Declare.
2598 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2599 (pass_ipa_profile): Use TV_IPA_PROFILE.
2600 * ipa.c (ipa_profile): New function.
2601 (gate_ipa_profile): Likewise.
2602 (pass_ipa_profile): New global variable.
2603 * passes.c (pass_ipa_profile): New.
2605 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
2607 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2609 2010-04-27 Martin Jambor <mjambor@suse.cz>
2612 * ipa.c (dissolve_same_comdat_group_list): New function.
2613 (function_and_variable_visibility): Call
2614 dissolve_same_comdat_group_list when comdat group contains external or
2616 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2617 lists are circular and that they contain only DECL_ONE_ONLY nodes.
2619 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2621 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2622 (const_hash_1) <VECTOR_CST>: New case.
2623 (compare_constant) <VECTOR_CST>: Likewise.
2624 <ADDR_EXPR>: Deal with LABEL_REFs.
2625 (copy_constant) <VECTOR_CST>: New case.
2627 2010-04-27 Jan Hubicka <jh@suse.cz>
2629 * cgraph.c (cgraph_propagate_frequency): New function.
2630 * cgraph.h (cgraph_propagate_frequency): Declare.
2631 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2632 cgraph_propagate_frequency.
2634 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2636 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2638 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
2641 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2642 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2643 here to determine which regs to push and how much stack to reserve.
2645 2010-04-27 Jie Zhang <jie@codesourcery.com>
2647 * doc/gimple.texi (gimple_statement_with_ops): Remove
2648 addresses_taken field.
2649 (gimple_statement_with_memory_ops): Likewise.
2651 2010-04-27 Jan Hubicka <jh@suse.cz>
2653 * tree-inline.c (eni_inlining_weights): Remove.
2654 (estimate_num_insns): Special case more builtins.
2656 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
2659 * c-typeck.c (build_binary_op): Move forward check for comparison
2660 pointer with null pointer constant and adjust the diagnostic message.
2662 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
2665 * configure.ac (gcc_cv_as_section_has_align): Set if installed
2666 binutils supports extended .section directive needed by LTO, or
2667 warn if older binutils found.
2668 (LTO_BINARY_READER): New AC_SUBST'd variable.
2669 (LTO_USE_LIBELF): Likewise.
2670 * gcc/config.gcc (lto_binary_reader): New target-specific configure
2672 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2673 (LTO_USE_LIBELF): Likewise.
2674 * configure: Regenerate.
2676 * collect2.c (is_elf): Rename from this ...
2677 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2678 object files in addition to ELF-formatted ones.
2679 (scan_prog_file): Caller updated. Also allow for LTO info marker
2680 symbol to be prefixed or not by an extra underscore.
2682 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2683 * config/i386/winnt.c: Also #include lto-streamer.h
2684 (i386_pe_asm_named_section): Specify 1-byte section alignment for
2686 (i386_pe_asm_output_aligned_decl_common): Add comment.
2687 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2689 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
2692 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2693 Add missing earlyclobber for second alternative.
2695 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
2697 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2698 bits for artificial defs at the top of the block.
2699 * fwprop.c (single_def_use_enter_block): Don't call it.
2701 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
2704 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2705 instead of "$gcc_cv_objdump -T".
2706 Use "-undefined dynamic_lookup" on darwin.
2707 * gcc/configure: Regenerate.
2709 2010-04-26 Jakub Jelinek <jakub@redhat.com>
2712 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2714 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2716 * c-parser.c (struct c_token): Move location field up.
2717 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2718 (struct c_declspecs): Convert typespec_word, storage_class, and
2719 default_int_p into bitfields.
2720 (struct c_declarator): Move loc field up.
2722 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2724 * cfgloop.h (struct loop): Move can_be_parallel field up.
2725 * ipa-prop.h (struct ip_node_params): Move bitfields up.
2726 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2728 (struct iv_cand): Convert pos field into a bitfield.
2729 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2731 (struct _stmt_vec_info): Shuffle fields for better packing.
2733 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2735 * varasm.c (IN_NAMED_SECTION): Remove guard.
2736 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2737 (IN_NAMED_SECTION_P): ...this.
2738 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2739 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2741 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2743 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2744 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
2745 of shadowing it. Fix comments.
2747 2010-04-26 Jan Hubicka <jh@suse.cz>
2749 * cgraph.c (cgraph_create_node): Set node frequency to normal.
2750 (cgraph_clone_node): Copy function frequency.
2751 * cgraph.h (node_frequency): New enum
2752 (struct cgraph_node): Add.
2753 * final.c (rest_of_clean_state): Update.
2754 * lto-cgraph.c (lto_output_node): Output node frequency.
2755 (input_overwrite_node): Input node frequency.
2756 * tre-ssa-loop-ivopts (computation_cost): Update.
2757 * lto-streamer-out.c (output_function): Do not output function
2759 * predict.c (maybe_hot_frequency_p): Update and handle functions
2761 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2763 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2764 (compute_function_frequency): Set noreturn functions to be executed
2766 (choose_function_section): Update.
2767 * lto-streamer-in.c (input_function): Do not input function frequency.
2768 * function.c (allocate_struct_function): Do not initialize function
2770 * function.h (function_frequency): Remove.
2771 (struct function): Remove function frequency.
2772 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2773 (try_update): Update.
2774 * tree-inline.c (initialize_cfun): Do not update function frequency.
2775 * passes.c (pass_init_dump_file): Update.
2776 * i386.c (ix86_compute_frame_layout): Update.
2777 (ix86_pad_returns): Update.
2779 2010-04-26 Jie Zhang <jie@codesourcery.com>
2781 PR tree-optimization/43833
2782 * tree-vrp.c (range_int_cst_p): New.
2783 (range_int_cst_singleton_p): New.
2784 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2785 when both operands are constants. Use range_int_cst_p in
2788 2010-04-26 Jan Hubicka <jh@suse.cz>
2790 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2792 2010-04-26 Richard Guenther <rguenther@suse.de>
2795 * gimple.c (gimple_decl_printable_name): Deal gracefully
2796 with a NULL DECL_NAME.
2798 2010-04-26 Richard Guenther <rguenther@suse.de>
2801 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2802 if emitting debug information and it is either a function
2803 or a namespace decl.
2805 2010-04-26 Ira Rosen <irar@il.ibm.com>
2807 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2808 determine if the statement is vectorizable, and a macro to access it.
2809 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2810 Skip statements that can't be vectorized. If the analysis fails,
2811 mark the statement as unvectorizable if vectorizing basic block.
2812 (vect_compute_data_refs_alignment): Likewise.
2813 (vect_verify_datarefs_alignment): Skip statements marked as
2814 unvectorizable. Add print.
2815 (vect_analyze_group_access): Skip statements that can't be
2816 vectorized. If the analysis fails, mark the statement as
2817 unvectorizable if vectorizing basic block.
2818 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2819 * tree-vect-stmts.c (vectorizable_store): Fix the number of
2820 generated stmts for SLP.
2821 (new_stmt_vec_info): Initialize the new field.
2822 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2823 statements marked as unvectorizable.
2825 2010-04-25 Joseph Myers <joseph@codesourcery.com>
2827 * c-common.c (flag_isoc1x): New.
2828 (flag_isoc99): Update comment.
2829 * c-common.h (flag_isoc1x): New.
2830 (flag_isoc99): Update comment.
2831 * c-cppbuiltin.c (builtin_define_float_constants): Also define
2832 __<type>_DECIMAL_DIG__.
2833 * c-opts.c (set_std_c1x): New.
2834 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2835 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2836 * c.opt (-std=c1x, -std=gnu1x): New options.
2837 * doc/cpp.texi: Mention -std=c1x.
2838 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2839 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2840 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2841 * doc/standards.texi: Mention C1X.
2842 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2843 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2844 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2847 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
2849 * config/i386/gmon-sol2.c (_mcleanup): Change format string
2850 placeholder from 0x%x to %#x.
2851 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2852 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2853 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2854 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2855 * config/i386/i386.c (ix86_target_string): Ditto.
2856 (output_pic_addr_const): Ditto.
2857 (print_operand): Ditto.
2859 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
2861 * combine.c (find_split_point): Add third argument. Use it
2862 to find nested multiply-accumulate instructions. Adjust calls.
2863 (try_combine): Adjust call to find_split_point.
2865 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
2867 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2869 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
2871 PR tree-optimization/41442
2872 * fold-const.c (merge_truthop_with_opposite_arm): New function.
2873 (fold_binary_loc): Call it.
2875 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2877 * toplev.c (general_init): Set default for fdiagnostics-show-option.
2878 * opts.c (common_handle_option): Allow disabling it.
2879 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2881 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
2883 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2884 between modes if both types are integral.
2886 2010-04-23 Richard Guenther <rguenther@suse.de>
2888 PR tree-optimization/43572
2889 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2891 2010-04-23 Richard Guenther <rguenther@suse.de>
2894 * tree-inline.c (tree_can_inline_p): Also check compatibility
2897 2010-04-23 Martin Jambor <mjambor@suse.cz>
2899 PR tree-optimization/43846
2900 * tree-sra.c (struct access): New flag grp_assignment_read.
2901 (build_accesses_from_assign): Set grp_assignment_read.
2902 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2903 (enum mark_read_status): New type.
2904 (analyze_access_subtree): Propagate grp_assignment_read, create
2905 accesses also if both direct_read and root->grp_assignment_read.
2907 2010-04-23 Martin Jambor <mjambor@suse.cz>
2910 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2911 function does not have type attributes.
2913 2010-04-23 Richard Guenther <rguenther@suse.de>
2916 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2919 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2921 * sese.h (create_if_region_on_edge): Remove.
2923 * sese.c (create_if_region_on_edge): Make static.
2925 * tree-inline.c: Do not include ggc.h.
2927 * expr.c: Do not include ggc.h.
2929 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2932 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
2935 * config/sh/sh.c (find_barrier): Don't emit a constant pool
2936 in the middle of insns for casesi_worker_2.
2938 2010-04-22 David Edelsohn <edelsohn@gnu.org>
2940 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2942 2010-04-22 Ira Rosen <irar@il.ibm.com>
2944 PR tree-optimization/43842
2945 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2946 loop unrolling in update of exit phis. Fix comment.
2947 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2948 least two reduction statements in the loop before starting SLP
2951 2010-04-22 Nick Clifton <nickc@redhat.com>
2953 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2955 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
2957 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2960 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2962 * tree-parloops.c (loop_parallel_p): New argument
2963 parloop_obstack. Pass it down.
2964 (parallelize_loops): New variable parloop_obstack. Initialize it,
2965 pass it down, free it.
2967 * tree-loop-linear.c (linear_transform_loops): Pass down
2970 * tree-data-ref.h (lambda_compute_access_matrices): New argument
2971 of type struct obstack *.
2973 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2974 scratch_obstack. Initialize it, pass down, free it.
2976 * lambda.h (lambda_loop_new): Remove.
2977 (lambda_matrix_new, lambda_matrix_inverse)
2978 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2979 argument of type struct obstack *.
2981 * lambda-trans.c (lambda_trans_matrix_new): New argument
2982 lambda_obstack. Pass it down, use obstack allocation for ret.
2983 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
2986 * lambda-mat.c (lambda_matrix_get_column)
2987 (lambda_matrix_project_to_null): Remove.
2988 (lambda_matrix_new): New argument lambda_obstack. Use obstack
2990 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2993 * lambda-code.c (lambda_loop_new): New function.
2994 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2995 (lambda_compute_auxillary_space, lambda_compute_target_space)
2996 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2997 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2998 (build_access_matrix): New argument lambda_obstack. Use obstack
3000 (lambda_compute_step_signs, lambda_compute_access_matrices): New
3001 argument lambda_obstack. Pass it down.
3003 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3005 * optabs.h (expand_widening_mult): Declare.
3007 2010-04-22 Richard Guenther <rguenther@suse.de>
3009 PR tree-optimization/43845
3010 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
3011 lookup the CALL_EXPR function and arguments.
3013 2010-04-22 Nick Clifton <nickc@redhat.com>
3015 * config/stormy16/stormy16.c
3016 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
3017 * config/stormy16/stormy16.h: Tidy up formatting.
3018 (DONT_USE_BUILTIN_SETJMP): Remove definition.
3019 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
3020 (ineqbranchsi): Delete pattern.
3021 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
3022 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
3023 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
3024 stormy16-lib2-ucmpsi2.c.
3026 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3028 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
3029 df_simulate_find_noclobber_defs as appropriate. Keep track of an
3030 extra set merge_set_noclobber, and use it to relax the final test
3032 * df.h (df_simulate_find_noclobber_defs): Declare.
3033 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
3035 (df_simulate_find_noclobber_defs): New function.
3037 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
3039 * config/i386/i386.md: Use {} around multi-line preparation statements.
3041 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3043 * c-tree.h (push_init_level, pop_init_level, set_init_index)
3044 (process_init_element): New argument of type struct obstack *.
3046 * c-typeck.c (push_init_level, pop_init_level, set_designator)
3047 (set_init_index, set_init_label, set_nonincremental_init)
3048 (set_nonincremental_init_from_string, find_init_member)
3049 (output_init_element, output_pending_init_elements)
3050 (process_init_element): New argument braced_init_obstack. Pass it
3052 (push_range_stack, add_pending_init): New argument
3053 braced_init_obstack. Use obstack allocation.
3055 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
3056 braced_init_obstack. Pass it down.
3057 (c_parser_braced_init): New variables ret, braced_init_obstack.
3058 Initialize obstack, pass it down and finally free it.
3060 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3063 * tree-pass.h (pass_optimize_widening_mul): Declare.
3064 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
3065 gate_optimize_widening_mul): New static functions.
3066 (pass_optimize_widening_mul): New.
3067 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
3068 <case MULT_EXPR>: Remove support for widening multiplies.
3069 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
3070 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
3071 simplify_gen_unary rather than directly building extensions.
3072 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
3074 * expmed.c (expand_widening_mult): New function.
3075 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
3077 2010-04-21 Jan Hubicka <jh@suse.cz>
3079 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
3080 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
3081 * lto-wpa-fixup.c: Remove.
3082 * Makefile.in (lto-wpa-fixup.o): Remove.
3083 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
3084 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
3085 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
3087 2010-04-21 Jan Hubicka <jh@suse.cz>
3089 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
3090 add write_optimization_summary, read_optimization_summary.
3091 (ipa_write_summaries_of_cgraph_node_set): Remove.
3092 (ipa_write_optimization_summaries): Declare.
3093 (ipa_read_optimization_summaries): Declare.
3094 * ipa-cp.c (pass_ipa_cp): Update.
3095 * ipa-reference.c (pass_ipa_reference): Update.
3096 * ipa-pure-const.c (pass_ipa_pure_const): Update.
3097 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
3099 * ipa-inline.c (pass_ipa_inline): Update.
3100 * ipa.c (pass_ipa_whole_program): Update.
3101 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
3102 * passes.c (ipa_write_summaries_1): Do not test wpa.
3103 (ipa_write_optimization_summaries_1): New.
3104 (ipa_write_optimization_summaries): New.
3105 (ipa_read_summaries): Do not test ltrans.
3106 (ipa_read_optimization_summaries_1): New.
3107 (ipa_read_optimization_summaries): New.
3109 2010-04-21 Jan Hubicka <jh@suse.cz>
3111 * lto-cgraph.c (lto_output_node): Do not output comdat groups
3113 (output_cgraph): Do not arrange comdat groups for boundary nodes.
3115 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3118 * dwarf2out.c (add_name_and_src_coords_attributes): Add
3119 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
3121 2010-04-21 Jan Hubicka <jh@suse.cz>
3123 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
3125 2010-04-21 Jan Hubicka <jh@suse.cz>
3127 * varpool.c (decide_is_variable_needed): Variable is always needed
3130 2010-04-21 Jan Hubicka <jh@suse.cz>
3132 * opts.c (decode_options): Enable pure-const pass for whopr.
3134 2010-04-21 Jan Hubicka <jh@suse.cz>
3136 * cgraph.c (dump_cgraph_node): Dump also assembler name.
3137 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
3139 (cgraph_decide_inlining): Do not expect callee to be removed in all
3142 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
3144 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
3146 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
3148 * config/i386/i386.md (x86_shrd): Add athlon_decode and
3149 amdfam10_decode attributes.
3151 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3154 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
3155 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
3156 (lower_copyprivate_clauses): Use private var in outer
3157 context instead of original var. Make sure the types
3158 are correct for VLAs.
3160 2010-04-21 Richard Guenther <rguenther@suse.de>
3162 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3163 to non-pointer objects.
3165 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3167 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
3168 last chain entry if it starts with the still current label.
3169 (add_location_or_const_value_attribute): Check that
3170 loc_list->first->next is NULL instead of comparing ->first with ->last.
3171 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3172 to add_var_loc_to_decl.
3174 * dwarf2out.c (output_call_frame_info): For dw_cie_version
3175 >= 4 add also address size and segment size fields into CIE header.
3177 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3178 long as address size is the same as sizeof (void *) and
3180 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
3181 address size or segment size is unexpected, return DW_EH_PE_omit.
3182 (classify_object_over_fdes): If get_cie_encoding returned
3183 DW_EH_PE_omit, return -1.
3184 (init_object): If classify_object_over_fdes returned -1,
3185 pretend there were no FDEs at all.
3187 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
3189 * config/i386/i386.md (bswap<mode>2): Macroize expander from
3190 bswap{si,di}2 using SWI48 mode iterator.
3191 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3192 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
3193 set modrm attribute of bswap insn to 0 and remove length attribute.
3194 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3195 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
3196 set mode attribute to <MODE> and remove length attribute.
3198 2010-04-20 James E. Wilson <wilson@codesourcery.com>
3200 PR rtl-optimization/43520
3201 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3202 zero available registers.
3204 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3206 * builtins.c (fold_builtin_cproj): Fold more cases.
3208 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3210 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3211 (fold_builtin_1): Fold builtin cproj.
3212 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3213 Use ATTR_CONST_NOTHROW_LIST.
3215 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
3217 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3218 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
3219 ffsi2_no_cmove for !TARGET_CMOVE.
3220 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
3221 (ffssi2): Remove expander.
3222 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3224 (ctz<mode>2): Ditto from ctz{si,di}2.
3225 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3227 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3230 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3232 * dwarf2out.c (AT_linkage_name): Define.
3233 (clone_as_declaration): Handle DW_AT_linkage_name.
3234 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3235 of DW_AT_MIPS_linkage_name.
3236 (move_linkage_attr): Likewise.
3237 (dwarf2out_finish): Likewise.
3239 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
3242 * fold-const.c (fold_comparison): New folding rule.
3244 2010-04-20 Anatoly Sokolov <aesok@post.ru>
3246 * double-int.h (double_int_setbit): Declare.
3247 * double-int.c (double_int_setbit): New function.
3248 * rtl.h (immed_double_int_const): Declare.
3249 * emit-rtl.c (immed_double_int_const): New function.
3250 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3251 and immed_double_int_const functions.
3252 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3253 expand_copysign_bit): (Ditto.).
3254 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3255 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3256 * dojump.c (prefer_and_bit_test): (Ditto.).
3257 * expr.c (convert_modes, reduce_to_bit_field_precision,
3258 const_vector_from_tree): (Ditto.).
3259 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3261 2010-04-20 Jan Hubicka <jh@suse.cz>
3263 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3264 (dump_cgraph_node): Dump new flags.
3265 * cgraph.h (struct cgraph_node): Add flags
3266 reachable_from_other_partition and in_other_partition.
3267 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3268 other partition can not be removed.
3269 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3270 the other partition must be output; silence sanity checking on
3271 leaking functions bodies from other paritition.
3272 * lto-cgraph.c (reachable_from_other_partition_p): New function.
3273 (lto_output_node): Output new flags; do not sanity check that inline
3274 clones are output; drop lto_forced_extern_inline_p code; do not mock
3275 visibility flags at partition boundaries.
3276 (add_node_to): New function.
3277 (output_cgraph): Use it to sort functions so masters appear before
3279 (input_overwrite_node): Input new flags.
3280 * passes.c (ipa_write_summaries): Do not call
3281 lto_new_extern_inline_states.
3282 * lto-section-out.c (forced_extern_inline,
3283 lto_new_extern_inline_states lto_delete_extern_inline_states,
3284 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3285 * lto-streamer.h (lto_new_extern_inline_states,
3286 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3287 lto_forced_extern_inline_p): Kill.
3289 2010-04-20 Richard Guenther <rguenther@suse.de>
3291 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3292 from vars that can have pointers.
3293 (process_constraint): Dump useless constraints.
3295 2010-04-20 Richard Guenther <rguenther@suse.de>
3297 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3298 (dump_sa_points_to_info): Remove asserts.
3299 (init_base_vars): nothing_id isn't an escape point nor does it
3302 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3304 * tree.h (TYPE_REF_IS_RVALUE): Define.
3305 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3306 should_move_die_to_comdat, prune_unused_types_walk): Handle
3307 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3308 (modified_type_die, gen_reference_type_die): Emit
3309 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3310 if TYPE_REF_IS_RVALUE and -gdwarf-4.
3312 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3315 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3316 calls for -fpic -m31 if they have been sibcall optimized.
3318 2010-04-19 James E. Wilson <wilson@codesourcery.com>
3320 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3321 ar.lc fixed and call-used.
3323 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3325 2010-04-19 Jan Hubicka <jh@suse.cz>
3327 * opts.c (decode_options): Disable whpr incompatible passes.
3328 * lto/lto.c (lto_1_to_1_map): Skip clones.
3329 (read_cgraph_and_symbols): Do not mark everything as needed.
3330 (do_whole_program_analysis): Do map only after optimizing;
3331 set proper cgraph_state; use passmanager.
3333 2010-04-19 DJ Delorie <dj@redhat.com>
3335 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3336 POINTER_PLUS_EXPR and fix them.
3338 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
3340 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3341 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3342 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3343 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3344 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3345 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3346 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3347 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3348 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3349 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3350 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3352 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
3354 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3355 (check_cond_move_block): Likewise.
3356 (cond_move_process_if_block): Likewise.
3357 (noce_find_if_block): Improve formatting.
3358 (find_if_header): Pass 0 to memset and tweak conditions.
3359 (cond_exec_find_if_block): Fix long lines and tweak conditions.
3361 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3363 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3367 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3368 with non-local decl doesn't need chain.
3370 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
3372 * ira-color.c (allocno_reload_assign): Avoid accumulating
3373 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3375 2010-04-19 Martin Jambor <mjambor@suse.cz>
3377 * gimple.h (create_tmp_reg): Declare.
3378 * gimplify.c (create_tmp_reg): New function.
3379 (gimplify_return_expr): Use create_tmp_reg.
3380 (gimplify_omp_atomic): Likewise.
3381 (gimple_regimplify_operands): Likewise.
3382 * tree-dfa.c (make_rename_temp): Likewise.
3383 * tree-predcom.c (predcom_tmp_var): Likewise.
3384 (reassociate_to_the_same_stmt): Likewise.
3385 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3386 (get_replaced_param_substitute): Likewise.
3387 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3388 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3389 * tree-ssa-pre.c (get_representative_for): Likewise.
3390 (create_expression_by_pieces): Likewise.
3391 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3392 (create_tailcall_accumulator): Likewise.
3394 2010-04-19 Martin Jambor <mjambor@suse.cz>
3396 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3398 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3400 2010-04-19 Richard Guenther <rguenther@suse.de>
3402 PR tree-optimization/43796
3403 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3404 from SCEV in the lattice.
3405 (vrp_visit_phi_node): Dump change.
3407 2010-04-19 Richard Guenther <rguenther@suse.de>
3409 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3410 * configure: Re-generated.
3412 2010-04-19 Richard Guenther <rguenther@suse.de>
3414 PR tree-optimization/43783
3415 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3416 constant ARRAY_REF operands two and three if possible.
3418 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
3421 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3423 2010-04-19 Jie Zhang <jie@codesourcery.com>
3426 * reginfo.c (reinit_regs):