1 2009-04-04 Jan Hubicka <jh@suse.cz>
3 * except.c (sjlj_find_directly_reachable_regions): Be ready for removed toplevel
5 (sjlj_mark_call_sites): Likewise.
7 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
9 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
10 (cygwin tm clause use_gcc_stdint): Set to wrap.
11 * config/i386/cygwin-stdint.h: New file.
13 2009-04-04 Richard Guenther <rguenther@suse.de>
15 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
16 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
17 single-argument PHIs if we are in loop-closed SSA form.
18 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
19 for the pre-condition.
20 (slpeel_tree_peel_loop_to_edge): Likewise.
21 (vect_build_loop_niters): Take an optional sequence to append stmts.
22 (vect_generate_tmps_on_preheader): Likewise.
23 (vect_do_peeling_for_loop_bound): Take extra guards for the
25 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
27 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
28 guards if we are going to peel. Do not apply versioning in that
30 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
31 (vect_do_peeling_for_loop_bound): Likewise.
32 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
33 loop bound only record extra pre-conditions, do not apply loop
36 2009-04-04 Richard Guenther <rguenther@suse.de>
38 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
41 2009-04-04 Jan Hubicka <jh@suse.cz>
43 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
44 last_basic_block for size of bb->index indexed array.
45 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
46 compute_out, link_btr_uses, build_btr_def_use_webs,
47 build_btr_def_use_webs, migrate_btr_defs): Likewise.
49 2009-04-04 Jan Hubicka <jh@suse.cz>
51 * except.c (remove_eh_handler_and_replace): Break out from ...
52 (remove_eh_handler): ... here.
53 (bring_to_root): New function.
54 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
55 handled ones, bring others to root of tree.
57 2009-04-04 Jan Hubicka <jh@suse.cz>
59 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
60 (all_phis_safe_to_merge): New function.
61 (update_info): New structure.
62 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
63 (cleanup_empty_eh): Update SSA if possible.
65 2009-04-04 Richard Guenther <rguenther@suse.de>
67 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
68 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
69 (append_vuse): Likewise.
71 2009-04-04 Jakub Jelinek <jakub@redhat.com>
73 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
74 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
75 instead of REG_UNSAVED for DW_CFA_undefined.
76 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
77 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
80 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
83 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
84 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
85 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
87 2009-04-04 Richard Guenther <rguenther@suse.de>
89 PR tree-optimization/8781
90 PR tree-optimization/37892
91 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
92 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
93 (valueize_refs): Call it for *& valueizations.
94 (shared_reference_ops_from_ref): Rename to ...
95 (valueize_shared_reference_ops_from_ref): ... this and valueize.
96 (shared_reference_ops_from_call): Rename to ...
97 (valueize_shared_reference_ops_from_call): ... this and valueize.
98 (vn_reference_lookup): Update.
99 (visit_reference_op_call): Likewise.
100 * tree-ssa-pre.c (phi_translate_1): Fold *&.
101 (eliminate): Value-replace the call address in call statements.
103 2009-04-04 Richard Guenther <rguenther@suse.de>
105 PR tree-optimization/39636
106 * tree-ssa-forwprop.c
107 (forward_propagate_addr_into_variable_array_index): Check for
108 GIMPLE_ASSIGN before accessing the rhs code.
110 2009-04-03 Jason Merrill <jason@redhat.com>
112 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
114 2009-04-03 Steve Ellcey <sje@cup.hp.com>
116 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
117 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
118 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
119 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
120 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
121 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
122 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
123 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
124 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
125 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
126 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
127 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
128 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
129 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
130 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
131 Use fr_reg_or_fp01_operand instead of fr_register_operand
133 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
134 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
135 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
137 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
139 PR rtl-optimization/39607
140 PR rtl-optimization/39631
142 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
143 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
144 instead of DF_LR_OUT.
145 * ira-lives.c (process_bb_node_lives): Ditto.
146 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
147 instead of DF_LR_{OUT,IN}.
148 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
149 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
151 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
153 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
154 (execute_lower_omp): Always run but take the short way out if -fopenmp
156 (gate_lower_omp): Remove, forcing the pass manager to always run the
157 pass and always set PROP_gimple_lomp.
158 (pass_lower_omp): Remove gate function.
159 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
160 PROP_trees. Instead, require it.
161 * ipa-cp.c (pass_ipa_cp): Likewise.
162 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
163 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
164 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
167 2009-04-03 Richard Guenther <rguenther@suse.de>
170 PR tree-optimization/23940
171 PR tree-optimization/33237
174 PR tree-optimization/36201
175 PR tree-optimization/36230
176 PR tree-optimization/38049
177 PR tree-optimization/38207
178 PR tree-optimization/38230
179 PR tree-optimization/38301
180 PR tree-optimization/38585
182 PR tree-optimization/38985
183 PR tree-optimization/39299
184 * tree-ssa-structalias.h: Remove.
185 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
186 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
187 (struct vuse_element_d): Remove.
188 (struct vuse_vec_d): Likewise.
189 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
190 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
191 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
192 VUSE_ELEMENT_VAR): Likewise.
193 (struct voptype_d): Likewise.
194 (NUM_VOP_FREE_BUCKETS): Likewise.
195 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
196 (struct stmt_operands_d): Remove.
197 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
198 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
199 VDEF_NUM, VDEF_VECT): Likewise.
200 (copy_virtual_operands): Remove.
201 (operand_build_cmp): Likewise.
202 (create_ssa_artificial_load_stmt): Likewise.
203 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
204 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
205 vuse_index and mayuse_index members. Pack and move done and iter_type
206 members to the front.
207 (SSA_OP_VMAYUSE): Remove.
208 (SSA_OP_VIRTUAL_USES): Adjust.
209 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
210 (unlink_stmt_vdef): Declare.
211 (add_to_addressable_set): Remove.
212 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
213 (vrp_visit_stmt): Likewise.
214 * doc/tree-ssa.texi (Alias analysis): Update.
215 * doc/invoke.texi (max-aliased-vops): Remove docs.
216 (avg-aliased-vops): Likewise.
217 * tree-into-ssa.c (syms_to_rename): Remove.
218 (need_to_update_vops_p): Likewise.
219 (need_to_initialize_update_ssa_p): Rename to ...
220 (update_ssa_initialized_fn): ... this. Track function we are
222 (symbol_marked_for_renaming): Simplify.
223 (add_new_name_mapping): Do not set need_to_update_vops_p.
224 (dump_currdefs): Use SYMS_TO_RENAME.
225 (rewrite_update_stmt): Always walk all uses/defs.
226 (dump_update_ssa): Adjust.
227 (init_update_ssa): Take function argument. Track what we are
229 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
230 (create_new_def_for): Initialize for cfun, assert we are initialized
232 (mark_sym_for_renaming): Simplify.
233 (mark_set_for_renaming): Do not initialize update-ssa.
234 (need_ssa_update_p): Simplify. Take function argument.
235 (name_mappings_registered_p): Assert we ask for the correct function.
236 (name_registered_for_update_p): Likewise.
237 (ssa_names_to_replace): Likewise.
238 (release_ssa_name_after_update_ssa): Likewise.
239 (update_ssa): Likewise. Use SYMS_TO_RENAME.
240 (dump_decl_set): Do not print a newline.
241 (debug_decl_set): Do it here.
242 (dump_update_ssa): And here.
243 * tree-ssa-loop-im.c (move_computations): Adjust.
244 (movement_possibility): Likewise.
245 (determine_max_movement): Likewise.
246 (gather_mem_refs_stmt): Likewise.
247 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
249 * tree-complex.c (update_all_vops): Remove.
250 (expand_complex_move): Adjust.
251 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
252 Simplify test for memory referencing statement. Exclude
253 non-invariant ADDR_EXPRs.
254 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
255 * tree-loop-distribution.c (generate_memset_zero): Adjust.
256 (rdg_flag_uses): Likewise.
257 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
259 (tree_optimize_tail_calls_1): Also split the
260 edge from the entry block if we have degenerate PHI nodes in
261 the first basic block.
262 * tree.c (init_ttree): Remove memory-tag related code.
263 (tree_code_size): Likewise.
264 (tree_node_structure): Likewise.
265 (build7_stat): Re-write to be build6_stat.
266 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
268 (struct tree_memory_tag): Remove.
269 (struct tree_memory_partition_tag): Likewise.
270 (union tree_node): Adjust.
271 (build7): Re-write to be build6.
272 * tree-pass.h (pass_reset_cc_flags): Remove.
273 (TODO_update_address_taken): New flag.
274 (pass_simple_dse): Remove.
275 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
276 * params.h (MAX_ALIASED_VOPS): Remove.
277 (AVG_ALIASED_VOPS): Likewise.
278 * omp-low.c (expand_omp_taskreg): Update SSA form.
279 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
280 aliases the lhs in a copy stmt.
281 * tree-ssa-dse.c (struct address_walk_data): Remove.
282 (memory_ssa_name_same): Likewise.
283 (memory_address_same): Likewise.
284 (get_kill_of_stmt_lhs): Likewise.
285 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
286 unused stores. Look through PHI nodes into post-dominated regions.
287 (dse_optimize_stmt): Simplify. Properly remove stores.
288 (tree_ssa_dse): Compute dominators.
289 (execute_simple_dse): Remove.
290 (pass_simple_dse): Likewise.
291 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
292 gimple_loaded_syms and gimple_stored_syms computation.
293 * toplev.c (dump_memory_report): Dump alias and pta stats.
294 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
295 (vn_reference_eq): Likewise.
296 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
297 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
298 valueize_vuses): Remove.
299 (get_def_ref_stmt_vuses): Simplify. Rename to ...
300 (get_def_ref_stmt_vuse): ... this.
301 (vn_reference_lookup_2): New function.
302 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
303 walking equivalent vuses. Simplify.
304 (vn_reference_lookup): Likewise.
305 (vn_reference_insert): Likewise.
306 (vn_reference_insert_pieces): Likewise.
307 (visit_reference_op_call): Simplify.
308 (visit_reference_op_load): Likewise.
309 (visit_reference_op_store): Likewise.
310 (init_scc_vn): Remove shared_lookup_vuses initialization.
311 (free_scc_vn): Remove shared_lookup_vuses freeing.
312 (sort_vuses, sort_vuses_heap): Remove.
313 (get_ref_from_reference_ops): Export.
314 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
315 vector with single vuse pointer.
316 (vn_reference_lookup_pieces, vn_reference_lookup,
317 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
318 (shared_vuses_from_stmt): Remove.
319 (get_ref_from_reference_ops): Declare.
320 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
321 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
322 memory-tag related code.
323 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
324 (likely_value): Add comment, skip static-chain of call statements.
325 (surely_varying_stmt_p): Adjust.
326 (gimplify_and_update_call_from_tree): Likewise.
327 (execute_fold_all_builtins): Do not rebuild alias info.
328 (gimplify_and_update_call_from_tree): Properly update VOPs.
329 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
330 (copy_ref_info): Remove memory-tag related code.
331 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
332 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
333 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
335 * tree-ssa-dom.c (gimple_p): Remove typedef.
336 (eliminate_redundant_computations): Adjust.
337 (record_equivalences_from_stmt): Likewise.
338 (avail_expr_hash): Likewise.
339 (avail_expr_eq): Likewise.
340 * tree-ssa-propagate.c (update_call_from_tree): Properly
342 (stmt_makes_single_load): Likewise.
343 (stmt_makes_single_store): Likewise.
344 * tree-ssa-alias.c: Rewrite completely.
345 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
346 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
347 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
348 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
349 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
350 Remove public functions.
351 (pass_reset_cc_flags): Remove.
352 (pass_build_alias): Move ...
353 * tree-ssa-structalias.c (pass_build_alias): ... here.
354 * tree-ssa-alias.c (may_be_aliased): Move ...
355 * tree-flow-inline.h (may_be_aliased): ... here.
356 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
357 count_uses_and_derefs): Move ...
358 * gimple.c: ... here.
359 * gimple.h (count_uses_and_derefs): Declare.
360 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
361 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
362 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
363 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
364 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
365 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
366 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
368 * tree-dfa.c (refs_may_alias_p): Move ...
369 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
370 * tree-ssa-alias.h: New file.
371 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
372 (statement_sink_location): Likewise.
373 * opts.c (decode_options): Do not adjust max-aliased-vops or
374 avg-aliased-vops values.
375 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
376 (TV_CALL_CLOBBER): Likewise.
377 (TV_FLOW_SENSITIVE): Likewise.
378 (TV_FLOW_INSENSITIVE): Likewise.
379 (TV_MEMORY_PARTITIONING): Likewise.
380 (TV_ALIAS_STMT_WALK): New timevar.
381 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
382 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
383 (get_address_description): Remove memory-tag related code.
384 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
385 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
386 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
387 and immediate uses in statements. Document.
388 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
389 (dump_symbols): Remove.
390 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
391 * alias.c (get_deref_alias_set): New function split out from ...
392 (get_alias_set): ... here.
393 * alias.h (get_deref_alias_set): Declare.
394 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
395 type parameter. Remove restrict pointer handling. Create a
396 ref-all pointer in case type-based alias sets do not conflict.
397 (vect_analyze_data_refs): Remove SMT related code.
398 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
399 (vectorizable_load): Likewise.
400 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
401 (DR_SYMBOL_TAG, DR_VOPS): Remove.
402 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
403 Ignore vops and SMTs.
404 (dr_analyze_alias): Likewise..
405 (free_data_ref): Likewise.
406 (create_data_ref): Likewise.
407 (analyze_all_data_dependences): Likewise.
408 (get_references_in_stmt): Adjust.
409 * tree-flow-inline.h (gimple_aliases_computed_p,
410 gimple_addressable_vars, gimple_call_clobbered_vars,
411 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
412 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
413 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
414 gimple_mem_ref_stats): Remove.
415 (gimple_vop): New function.
416 (op_iter_next_use): Remove vuses and mayuses cases.
417 (op_iter_next_def): Remove vdefs case.
418 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
419 (clear_and_done_ssa_iter): Do not set removed fields.
420 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
421 Assert we are not iterating over vuses or vdefs if not also
422 iterating over uses or defs.
423 (op_iter_init_use): Likewise.
424 (op_iter_init_def): Likewise.
425 (op_iter_next_vdef): Remove.
426 (op_iter_next_mustdef): Likewise.
427 (op_iter_init_vdef): Likewise.
428 (compare_ssa_operands_equal): Likewise.
429 (link_use_stmts_after): Handle vuse operand.
430 (is_call_used): Use is_call_clobbered.
431 (is_call_clobbered): Global variables are always call clobbered,
432 query the call-clobbers bitmap.
433 (mark_call_clobbered): Ignore global variables.
434 (clear_call_clobbered): Likewise.
435 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
436 virtual operands sanity check.
437 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
439 (TARGET_MEM_REF): Remove TMR_TAG operand.
440 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
441 Remove call-clobber related code.
442 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
443 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
444 partitions or escape reason.
445 (get_single_def_stmt, get_single_def_stmt_from_phi,
446 get_single_def_stmt_with_phi): Remove.
447 (dump_referenced_vars): Tidy.
448 (get_ref_base_and_extent): Allow bare decls.
449 (collect_dfa_stats): Adjust.
450 * graphite.c (rename_variables_in_stmt): Adjust.
451 (graphite_copy_stmts_from_block): Likewise.
452 (translate_clast): Likewise.
453 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
455 (translate_vuse_through_block): Use the oracle.
456 (phi_translate_1): Adjust.
457 (value_dies_in_block_x): Use the oracle. Cache the outcome
459 (valid_in_sets): Check if the VUSE for
460 a REFERENCE is available.
461 (eliminate): Do not remove stmts during elimination,
462 instead queue and remove them afterwards.
463 (do_pre): Do not rebuild alias info.
464 (pass_pre): Run TODO_rebuild_alias before PRE.
465 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
466 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
467 (mark_all_v_defs_stmt): Remove.
468 (mark_all_v_defs_seq): Adjust.
469 (sra_replace): Likewise.
470 (scalarize_use): Likewise.
471 (scalarize_copy): Likewise.
472 (scalarize_init): Likewise.
473 (scalarize_ldst): Likewise.
475 (tree_sra): Do not rebuild alias info.
476 (tree_sra_early): Adjust.
477 (pass_sra): Run TODO_update_address_taken before SRA.
478 * tree-predcom.c (set_alias_info): Remove.
479 (prepare_initializers_chain): Do not call it.
480 (mark_virtual_ops_for_renaming): Adjust.
481 (mark_virtual_ops_for_renaming_list): Remove.
482 (initialize_root_vars): Adjust.
483 (initialize_root_vars_lm): Likewise.
484 (prepare_initializers_chain): Likewise.
485 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
486 (may_propagate_copy_into_stmt): Likewise.
487 (merge_alias_info): Do nothing for now.
488 (propagate_tree_value_into_stmt): Adjust.
489 (stmt_may_generate_copy): Likewise.
490 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
491 not mark symbols for renaming.
492 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
493 with the same statement, make sure to update the new pointed-to one.
494 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
495 call statements, do not mark symbols for renaming.
496 (mark_operand_necessary): Dump something.
497 (ref_may_be_aliased): New function.
498 (mark_aliased_reaching_defs_necessary_1): New helper function.
499 (mark_aliased_reaching_defs_necessary): Likewise.
500 (mark_all_reaching_defs_necessary_1): Likewise.
501 (mark_all_reaching_defs_necessary): Likewise.
502 (propagate_necessity): Do not process virtual PHIs. For
503 non-aliased loads mark all reaching definitions as necessary.
504 For aliased loads and stores mark the immediate dominating
505 aliased clobbers as necessary.
506 (visited): New global static.
507 (perform_tree_ssa_dce): Free visited bitmap after propagating
509 (remove_dead_phis): Perform simple dead virtual PHI removal.
510 (remove_dead_stmt): Properly unlink virtual operands when
512 (eliminate_unnecessary_stmts): Schedule PHI removal after
514 * tree-ssa-ter.c (is_replaceable_p): Adjust.
515 (process_replaceable): Likewise.
516 (find_replaceable_in_bb): Likewise.
517 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
518 based on the single gimple vop.
519 (verify_flow_insensitive_alias_info): Remove.
520 (verify_flow_sensitive_alias_info): Likewise.
521 (verify_call_clobbering): Likewise.
522 (verify_memory_partitions): Likewise.
523 (verify_alias_info): Likewise.
524 (verify_ssa): Adjust..
525 (execute_update_addresses_taken): Export. Update SSA
526 manually. Optimize only when optimizing. Use a local bitmap.
527 (pass_update_address_taken): Remove TODO_update_ssa, add
529 (pass_update_address_taken): Just use TODO_update_address_taken.
530 (init_tree_ssa): Do not initialize addressable_vars.
531 (verify_ssa): Verify new VUSE / VDEF properties.
532 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
533 Do not call verify_alias_info.
534 (delete_tree_ssa): Clear the VUSE, VDEF operands.
535 Do not free the loaded and stored syms bitmaps. Reset the escaped
536 and callused solutions. Do not free addressable_vars.
537 Remove memory-tag related code.
538 (warn_uninitialized_var): Aliases are always available.
539 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
540 * lambda-code.c (can_put_in_inner_loop): Adjust.
541 (can_put_after_inner_loop): Likewise.
542 (perfect_nestify): Likewise.
543 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
544 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
545 (vectorizable_conversion): Do not mark symbols for renaming.
546 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
547 (expand_call_inline): Unlink the calls virtual operands before
549 (tree_function_versioning): Do not call update_ssa if we are not
550 updating clones. Simplify.
551 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
552 (propagate_with_phi): Likewise..
553 * tree-outof-ssa.c (create_temp): Remove memory tag and call
554 clobber code. Assert we are not aliased or global.
555 * tree-flow.h: Include tree-ssa-alias.h
556 (enum escape_type): Remove.
557 (struct mem_sym_stats_d): Likewise.
558 (struct mem_ref_stats_d): Likewise.
559 (struct gimple_df): Add vop member. Remove global_var,
560 call_clobbered_vars, call_used_vars, addressable_vars,
561 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
562 escaped and callused members.
563 (struct ptr_info_def): Remove all members, add points-to solution
565 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
566 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
567 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
568 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
569 (tree-ssa-alias.o): Likewise.
570 (toplev.o): Add tree-ssa-alias.h
571 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
572 * gimple.c (gimple_set_bb): Fix off-by-one error.
573 (is_gimple_reg): Do not handle memory tags.
574 (gimple_copy): Also copy virtual operands.
575 Delay updating the statement. Do not reset loaded and stored syms.
576 (gimple_set_stored_syms): Remove.
577 (gimple_set_loaded_syms): Likewise.
578 (gimple_call_copy_skip_args): Copy the virtual operands
579 and mark the new statement modified.
580 * tree-ssa-structalias.c (may_alias_p): Remove.
581 (set_uids_in_ptset): Take the alias set to prune with as
582 parameter. Fold in the alias test of may_alias_p.
583 (compute_points_to_sets): Compute whether a ptr is dereferenced
585 (process_constraint): Deal with &ANYTHING on the lhs, reject all
586 other ADDRESSOF constraints on the lhs.
587 (get_constraint_for_component_ref): Assert that we don't get
588 ADDRESSOF constraints from the base of the reference.
589 Properly generate UNKNOWN_OFFSET for DEREF if needed.
590 (struct variable_info): Remove collapsed_to member.
591 (get_varinfo_fc): Remove.
592 (new_var_info): Do not set collapsed_to.
593 (dump_constraint): Do not follow cycles.
594 (dump_constraint_graph): Likewise.
595 (build_pred_graph): Likewise.
596 (build_succ_graph): Likewise.
597 (rewrite_constraints): Likewise.
598 (do_simple_structure_copy): Remove.
599 (do_rhs_deref_structure_copy): Remove.
600 (do_lhs_deref_structure_copy): Remove.
601 (collapse_rest_of_var): Remove.
602 (do_structure_copy): Re-implement.
603 (pta_stats): New global variable.
604 (dump_pta_stats): New function.
605 (struct constraint_expr): Make offset signed.
606 (UNKNOWN_OFFSET): Define special value.
607 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
608 (solution_set_expand): New helper function split out from ...
609 (do_sd_constraint): ... here.
610 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
611 (do_ds_constraint): Likewise.
612 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
613 and CALLUSED = *CALLUSED.
614 (set_union_with_increment): Make inc argument signed.
616 (get_constraint_for_ptr_offset): Handle unknown and negative
618 (first_vi_for_offset): Handle offsets before start. Bail
619 out early for offsets beyond the variable extent.
620 (first_or_preceding_vi_for_offset): New function.
621 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
622 Together with ESCAPED = *ESCAPED this properly computes reachability.
623 (find_what_var_points_to): New function.
624 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
625 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
626 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
627 pt_solutions_intersect): New functions.
628 (compute_call_used_vars): Remove.
629 (compute_may_aliases): New main entry into PTA computation.
630 * gimple.h (gimple_p): New typedef.
631 (struct gimple_statement_base): Remove references_memory_p.
632 (struct gimple_statement_with_memory_ops_base): Remove
633 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
635 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
636 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
637 gimple_set_references_memory): Remove.
638 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
639 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
641 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
642 (verify_expr): Allow RESULT_DECL.
643 (gimple_duplicate_bb): Do not copy virtual operands.
644 (gimple_duplicate_sese_region): Adjust.
645 (gimple_duplicate_sese_tail): Likewise.
646 (mark_virtual_ops_in_region): Remove.
647 (move_sese_region_to_fn): Do not call it.
648 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
650 (execute_function_todo): Handle TODO_update_address_taken,
651 call execute_update_addresses_taken for TODO_rebuild_alias.
652 (execute_todo): Adjust.
653 (execute_one_pass): Init dump files early.
654 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
656 (create_general_new_stmt): Clear vops.
657 * tree-ssa-reassoc.c (get_rank): Adjust.
658 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
659 symbols for renaming.
660 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
661 (PARAM_AVG_ALIASED_VOPS): Likewise.
662 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
663 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
664 * tree-ssa-operands.c: Simplify for new virtual operand
666 (operand_build_cmp, copy_virtual_operands,
667 create_ssa_artificial_load_stmt, add_to_addressable_set,
668 gimple_add_to_addresses_taken): Remove public functions.
669 (unlink_stmt_vdef): New function.
671 2009-04-03 Alan Modra <amodra@bigpond.net.au>
673 * config.gcc (powerpc-*-linux*): Merge variants.
675 2009-04-02 Chao-ying Fu <fu@mips.com>
676 James Grosbach <james.grosbach@microchip.com>
678 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
679 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
681 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
682 keep_interrupts_masked_p, use_debug_exception_return_p.
683 (mips_attribute_table): Add interrupt, use_shadow_register_set,
684 keep_interrupts_masked, use_debug_exception_return.
685 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
686 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
688 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
689 (mips_print_operand): Process COP0 registers to print $0 .. $31
690 correctly for GAS to process.
691 (mips_interrupt_extra_call_saved_reg_p): New function.
692 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
694 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
695 (mips_compute_frame_info): Add supports for interrupt context that
696 includes doubleword accumulators and COP0 registers.
697 (mips_for_each_saved_acc): New function.
698 (mips_for_each_saved_gpr_and_fpr): Change the function name from
699 mips_for_each_saved_reg.
700 (mips_save_reg): Save accumulators.
701 (mips_kernel_reg_p): A new for_each_rtx callback.
702 (mips_expand_prologue): Support interrupt handlers.
703 (mips_restore_reg): Restore accumulators.
704 (mips_expand_epilogue): Support interrupt handlers.
705 (mips_can_use_return_insn): Return false for interrupt handlers.
706 (mips_epilogue_uses): New function.
707 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
708 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
709 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
710 cop0_move): New instructions.
711 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
712 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
714 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
716 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
717 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
718 interrupt handlers, we use K0 as the temporary register.
719 (EPILOGUE_USES): Change to a function call.
720 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
721 handlers, we use K0 as the temporary register.
723 * doc/extend.texi (Function Attributes): Document interrupt,
724 use_shadow_register_set, keep_interrupts_masked,
725 use_debug_exception_return for MIPS attributes.
727 2009-04-03 Alan Modra <amodra@bigpond.net.au>
729 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
730 Remove a number of t-files from tmake_file.
731 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
732 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
733 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
734 target_prototype, not TARGET_PROTOTYPE.
735 (LINK_OS_GNU_SPEC): Define.
736 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
737 and darwin-ldoubdle.c.
739 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
742 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
743 (cpp_options): Ditto.
744 (default_compilers): Ditto.
745 (display_help): Ditto.
746 (process_command): Ditto.
748 (set_input): Use lbasename instead of duplicate code.
749 (save_temps_prefix): New static for -save-temps=obj.
750 (save_temps_length): Ditto.
752 * doc/invoke.texi (-save-temps=obj): Document new variant to
755 2009-04-02 Jeff Law <law@redhat.com>
757 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
760 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
762 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
763 * configure: Regenerated.
765 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
767 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
768 share the argument list.
770 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
774 2009-02-12 Diego Novillo <dnovillo@google.com>
776 * varpool.c (debug_varpool): New.
777 * cgraph.h (debug_varpool): Declare.
779 2009-04-02 Jan Hubicka <jh@suse.cz>
781 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
784 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
786 * config/i386/i386.c (ix86_abi): Move initialization to ...
787 (override_options): Here.
789 2009-04-02 Christian Bruel <christian.bruel@st.com>
791 * config/sh/sh.c (sh_dwarf_register_span): New function.
792 (TARGET_DWARF_REGISTER_SPAN): Define.
793 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
795 2009-04-02 Ira Rosen <irar@il.ibm.com>
797 PR tree-optimization/39595
798 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
799 interleaved loads group is not greater than the SLP group size.
801 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
803 * builtins.c (is_builtin_name): New.
804 (called_as_built_in): Use is_builtin_name.
805 * tree.h (is_builtin_name): New.
806 * varasm.c (incorporeal_function_p): Use is_builtin_name
808 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
810 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
812 2009-04-02 Dodji Seketeli <dodji@redhat.com>
815 * c-decl.c: (clone_underlying_type): Move this ...
816 * c-common.c (set_underlying_type): ... here.
817 Also, make sure the function properly sets TYPE_STUB_DECL() on
818 the newly created typedef variant type.
819 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
820 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
822 2009-04-02 Richard Guenther <rguenther@suse.de>
824 PR tree-optimization/37221
825 * tree-flow.h (degenerate_phi_result): Declare.
826 * tree-ssa-dom.c (degenerate_phi_result): Export.
827 * tree-scalar-evolution.c (analyze_initial_condition): If
828 the initial condition is defined by a degenerate PHI node
829 use the degenerate value.
831 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
833 PR rtl-optimization/39588
834 * combine.c (merge_outer_ops): Do not set the constant when this
836 (simplify_shift_const_1): Do not modify it either in this case.
838 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
840 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
841 tuning is deprecated if -mtune value is set to an Itanium1 variant.
843 2009-04-01 Janis Johnson <janis187@us.ibm.com>
846 * c-lex.c (interpret_float): Default (no suffix) is double.
848 2009-04-1 Xinliang David Li <davidxl@google.com>
850 * config/i386/i386.c (legitimate_constant_p): Recognize
851 all one vector constant.
853 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
855 * gcc/config/vax/vax.c: Add #includes to silence warnings.
856 Change #include order to silence two warnings.
858 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
860 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
861 (ASM_SPEC): Pass -k to the assembler for PIC code.
863 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
865 * gcc/config.gcc: Add vax-*-linux* to the switch.
866 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
867 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
869 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
871 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
872 Use predicate macros instead of GET_CODE() == foo.
873 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
874 ashlsi3, rotrsi3, <unnamed>): Likewise.
876 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
878 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
879 jbbccihi, jbbccisi): Remova trailing whitespace.
880 * gcc/config/vax/constraints.md: Likewise.
881 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
882 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
883 * gcc/config/vax/predicates.md: Likewise.
884 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
885 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
886 * gcc/config/vax/vax.h: Likewise.
887 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
889 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
891 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
892 (indirectable_address_p, adjacent_operands_p): Add spaces around
894 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
896 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
898 * gcc/config/vax/vax.c (legitimate_constant_address_p,
899 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
900 index_term_p, reg_plus_index_p, legitimate_address_p,
901 vax_mode_dependent_address_p): Update comments to match functions
902 modified by the recent int->bool conversion.
904 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
906 * gcc/config/vax/builtins.md: Update copyright message.
907 * gcc/config/vax/constraints.md: Likewise.
908 * gcc/config/vax/netbsd-elf.h: Likewise.
909 * gcc/config/vax/predicates.md: Likewise.
910 * gcc/config/vax/vax-protos.h: Likewise.
911 * gcc/config/vax/vax.c: Likewise.
912 * gcc/config/vax/vax.h: Likewise.
913 * gcc/config/vax/vax.md: Likewise.
914 * gcc/config/vax/vax.opt: Likewise.
916 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
918 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
919 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
920 * gcc/config/vax/constraints.md (B, R): Likewise.
921 * gcc/config/vax/predicates.md (external_memory_operand,
922 nonimmediate_addsub_di_operand): Likewise.
923 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
924 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
925 untyped_call): Likewise.
927 2009-04-01 Matt Thomas <matt@3am-software.com>
929 * config/vax/predicates.md: New file. (symbolic_operand,
930 local_symbolic_operand, external_symbolic_operand,
931 external_const_operand, nonsymbolic_operand, external_memory_operand,
932 indirect_memory_operand, indexed_memory_operand,
933 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
934 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
936 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
937 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
938 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
939 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
940 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
941 * config/vax/vax.opt (mqmath): Add option.
942 * config/vax/vax.md (isfx): Extend with DI.
943 (VAXintQH, VAXintQHSD): Define.
944 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
945 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
946 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
947 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
948 (movdi): Update constraints and use vax_output_int_move().
949 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
950 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
951 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
953 (mov<mode>): Extend accepted operand types.
954 (subdi3_old): Rename from subdi3, change update constraints and use
955 a new implementation.
956 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
957 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
958 MOVE_RATIO, CLEAR_RATIO): Define.
959 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
960 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
961 (PRINT_OPERAND): Redefine using a function instead of inlined code.
962 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
963 (split_quadword_operands): Make static and really allow variable
965 (print_operand_address): Update for PIC generation.
966 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
967 indexable_address_p, fixup_mathdi_operand,
968 vax_expand_addsub_di_operands, adjacent_operands_p): New.
969 (vax_float_literal, legitimate_constant_p,
970 indirectable_constant_address_p, index_term_p,
971 reg_plus_index_p): Return bool instead of int.
972 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
974 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
976 (vax_output_conditional_branch): Indent.
977 (legitimate_constant_address_p, indirectable_constant_address_p,
978 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
979 vax_mode_dependent_address_p): Return bool instead of int, update for
981 * config/vax/vax-protos.h (legitimate_constant_address_p,
982 legitimate_constant_p, legitimate_address_p,
983 vax_mode_dependent_address_p): Change declaration to bool.
984 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
985 vax_expand_addsub_di_operands, vax_output_int_subtract,
986 vax_output_movmemsi): Declare.
987 (split_quadword_operands, vax_float_literal): Delete declaration.
988 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
989 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
990 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
991 ASM_OUTPUT_DWARF_PCREL): Define.
992 (ASM_SPEC): Change definition to allow PIC generation.
994 2009-04-01 Jakub Jelinek <jakub@redhat.com>
997 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
998 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
999 (booldi3_internal3): Use boolean_or_operator instead of
1002 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1005 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1006 declarator whose size is not an integer constant expression but
1007 folds to an integer constant, then treat it as a constant
1010 2009-04-01 Richard Guenther <rguenther@suse.de>
1012 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1013 i * 4 + 2 to (i * 2 + 1) * 2.
1015 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1018 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1019 return if c_parser_asm_string_literal returned NULL.
1021 2009-04-01 Nick Clifton <nickc@redhat.com>
1023 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1025 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1026 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1027 other typedefs to avoid conflicts with libgcc2.c. Define labels
1028 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1030 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1031 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1034 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1036 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1038 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1039 Andrey Galkin <agalkin@hypercom.com>
1042 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1043 Make object_name unique for each process.
1045 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1048 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1049 addressable variables in the parallel that could go out of scope while
1050 running queued tasks.
1052 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1054 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1055 (CASE_VALUES_THRESHOLD): Redefine.
1056 * config/avr/avr.c (avr_override_options): Remove initialization of
1057 avr_case_values_threshold variable.
1058 (avr_case_values_threshold): Remove variable. Add new function.
1059 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1060 * config/avr/avr.opt (mno-tablejump): Remove option.
1061 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1063 2009-04-01 DJ Delorie <dj@redhat.com>
1065 * varasm.c (default_function_rodata_section): Don't assume
1066 anything about where the first '.' in the section name is.
1068 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1070 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1071 rs6000_emit_stack_tie.
1073 2009-03-31 Ian Lance Taylor <iant@google.com>
1075 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1076 gimple_code with GIMPLE_RESX, not RESX.
1078 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1080 * c-common.c (c_get_ident): New.
1081 (c_common_nodes_and_builtins): Call it for type names that may be
1084 2009-04-01 Ben Elliston <bje@au.ibm.com>
1086 * config/rs6000/sysv4.opt (msdata): Improve option description.
1088 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1090 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1091 (divdf3_internal_lat): Remove.
1092 (divxf3_internal_lat): Remove.
1093 (divxf3_internal_thr): Remove.
1094 (divxf): Use divxf3_internal.
1095 * config/ia64/div.md (divsf3_internal_lat): New.
1096 (divdf3_internal_lat): New.
1097 (divxf3_internal): New.
1099 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1102 * Makefile.in (USE_GCC_STDINT): Define.
1103 (stmp-int-hdrs): Install stdint.h if applicable.
1104 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1106 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1107 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1108 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1109 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1110 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1111 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1112 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1113 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1114 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1115 (c_common_nodes_and_builtins): Initialize
1116 underlying_wchar_type_node. Do not initialize
1117 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1118 nodes for new types.
1119 (c_stddef_cpp_builtins): Define macros for new types.
1120 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1122 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1123 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1124 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1125 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1126 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1127 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1128 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1129 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1130 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1131 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1132 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1133 int16_type_node, int32_type_node, int64_type_node,
1134 uint8_type_node, uint16_type_node, c_uint32_type_node,
1135 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1136 int_least32_type_node, int_least64_type_node,
1137 uint_least8_type_node, uint_least16_type_node,
1138 uint_least32_type_node, uint_least64_type_node,
1139 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1140 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1141 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1142 uintptr_type_node): Define.
1143 * c-cppbuiltin.c (builtin_define_constants,
1144 builtin_define_type_minmax): New.
1145 (builtin_define_stdint_macros): Define more macros.
1146 (c_cpp_builtins): Define more limit macros.
1148 (builtin_define_type_max): Define in terms of
1149 builtin_define_type_minmax. Remove is_long parameter. All
1151 * config.gcc (use_gcc_stdint): Define.
1152 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1153 Add newlib-stdint.h for generic targets.
1154 * config/glibc-stdint.h, config/newlib-stdint.h,
1155 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1156 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1157 * config/score/score.h (UINTPTR_TYPE): Define.
1158 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1159 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1160 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1161 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1162 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1163 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1164 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1165 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1166 * config/spu/spu.h (STDINT_LONG32): Define.
1167 * configure.ac (use_gcc_stdint): Substitute.
1168 * configure: Regenerate.
1169 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1170 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1171 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1172 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1173 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1174 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1175 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1176 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1177 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1178 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1179 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1180 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1181 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1182 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1183 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1184 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1185 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1186 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1187 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1188 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1189 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1190 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1191 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1192 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1193 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1194 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1195 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1196 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1197 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1199 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1201 * loop-iv.c (suitable_set_for_replacement): Renamed from
1202 simplify_using_assignment; changed to return bool and to accept new
1203 args DEST and SRC. Return true iff we find a source/destination pair
1204 that can be used to make a replacement, and fill SRC and DEST if so.
1205 Remove arg ALTERED. Don't deal with altered regs here. All callers
1207 (simplify_using_initial_values): Deal with altered regs here and track
1208 more precisely the effect they have on the validity of our expression.
1210 * loop-iv.c (simplify_using_condition): A condition of the form
1211 (EQ REG CONST) can be used to simply make a substitution.
1212 (simplify_using_initial_values): Keep track of conditions we have seen
1213 and keep using them to simplify new expressions, while applying the
1214 same substitutions to them as to the expression.
1216 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1217 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1220 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1221 changed. Use this when trying to improve the upper bound.
1222 Generate the comparison by using simplify_gen_relational.
1224 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1226 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1228 (simplify_using_assignment, simplify_using_initial_values): Call
1229 replace_in_expr to make replacements. Call replace_single_def_regs
1230 once on the initial version of the expression.
1232 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1235 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1237 2009-03-31 Richard Guenther <rguenther@suse.de>
1240 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1241 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1243 2009-03-31 Richard Guenther <rguenther@suse.de>
1245 * tree.h (div_if_zero_remainder): Declare.
1246 * fold-const.c (div_if_zero_remainder): Export.
1247 * tree-ssa-forwprop.c
1248 (forward_propagate_addr_into_variable_array_index): Handle
1249 constant array index addition outside of the variable index.
1251 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1254 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1255 define_splits, floatunssi<mode>2): Require x87 conversions from
1256 DImode to be permitted.
1258 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1260 PR preprocessor/15638
1261 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1263 2009-03-31 Richard Guenther <rguenther@suse.de>
1267 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1268 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1269 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1270 a separate statement.
1271 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1272 (lookup_tmp_var): Likewise.
1273 (is_gimple_formal_tmp_or_call_rhs): Remove.
1274 (is_gimple_reg_or_call_rhs): Rename to ...
1275 (is_gimple_reg_rhs_or_call): ... this.
1276 (is_gimple_mem_or_call_rhs): Rename to ...
1277 (is_gimple_mem_rhs_or_call): ... this.
1278 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1279 DECL_GIMPLE_REG_P only if is_formal is true.
1280 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1281 for non-proper post-modify expression gimplification.
1282 (gimplify_self_mod_expr): For post-modify expressions gimplify
1283 the lvalue to a minimal lvalue.
1284 (rhs_predicate_for): Remove formal temp case.
1285 (gimplify_modify_expr_rhs): Likewise.
1286 (gimplify_addr_expr): Use is_gimple_reg.
1287 (gimplify_expr): Remove formal temp cases.
1288 (gimple_regimplify_operands): Likewise.
1289 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1290 and FILTER_EXPR like constants.
1291 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1293 (is_gimple_formal_tmp_rhs): Remove.
1294 (is_gimple_reg_rhs): Remove special casing.
1295 (is_gimple_mem_rhs): Fix.
1296 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1297 (is_gimple_formal_tmp_var): Remove.
1298 (is_gimple_formal_tmp_reg): Likewise.
1299 (is_gimple_min_lval): Allow invariant component ref parts.
1300 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1301 is_gimple_formal_tmp_reg): Remove declarations.
1302 * tree-cfg.c (verify_expr): Verify that variables with address
1303 taken do not have DECL_GIMPLE_REG_P set.
1304 * tree-mudflap.c (mf_build_check_statement_for): Use
1305 force_gimple_operand instead of gimplify_expr.
1307 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1309 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1310 schedulable rows to compute_split_row.
1312 2009-03-31 Ben Elliston <bje@au.ibm.com>
1315 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1318 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1320 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1321 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1322 * configure: Regenerate.
1323 * config.in: Regenerate.
1324 * config/rs6000/rs6000.opt (mtls-markers): Add.
1325 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1326 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1327 (tls_ld_aix, tls_ld_sysv): Likewise.
1328 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1329 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1331 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1333 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1335 2009-03-30 Jan Hubicka <jh@suse.cz>
1337 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1339 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1340 detection and label handling.
1342 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1344 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1345 left_conflicts_size.
1346 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1347 ALLOCNO_LEFT_CONFLICTS_SIZE.
1349 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1350 remove_allocno_from_bucket_and_push,
1351 allocno_spill_priority_compare, push_allocnos_to_stack,
1352 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1353 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1354 (setup_allocno_left_conflicts_num): Ditto. Rename to
1355 setup_allocno_left_conflicts_size.
1356 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1357 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1358 setup_allocno_left_conflicts_size instead of
1359 setup_allocno_left_conflicts_num.
1361 * ira-build.c (ira_create_allocno): Use
1362 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1363 ALLOCNO_LEFT_CONFLICTS_NUM.
1365 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1367 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1368 instead of DF_LR_OUT.
1370 * ira-lives.c (process_bb_node_lives): Ditto.
1372 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1373 instead of DF_LR_{OUT,IN}.
1375 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1377 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1379 2009-03-30 Jan Hubicka <jh@suse.cz>
1381 * except.c (label_to_region_map): Fix thinko.
1383 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1386 * tree.h (tree_find_value): New declaration.
1387 * tree.c (tree_find_value): New function.
1388 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1390 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1393 * c-decl.c (struct c_binding): Add locus field.
1394 (bind): Add locus argument, set locus field from it.
1395 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1396 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1397 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1398 implicitly_declare, undeclared_variable, lookup_label,
1399 declare_label, c_make_fname_decl, c_builtin_function,
1400 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1403 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1406 * config/i386/i386.c (classify_argument): Check total size of
1409 2009-03-30 Martin Jambor <mjambor@suse.cz>
1411 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1412 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1413 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1416 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1417 seen_variable_array_ref while also traversing a union.
1419 * tree-inline.c (optimize_inline_calls): Do not call
1420 cgraph_node_remove_callees.
1421 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1422 (pass_remove_cgraph_callee_edges): New variable.
1423 * passes.c (init_optimization_passes): Add
1424 pass_remove_cgraph_callee_edges after early inlining and before all
1425 late intraprocedural passes.
1427 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1429 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1431 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1434 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1436 * combine.c (simplify_comparison): Use have_insn_for.
1437 * dojump.c (do_jump): Likewise.
1439 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1441 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1442 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1443 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1444 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1445 instead of sparc_compare_emitted.
1446 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1447 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1448 instead of sparc_compare_emitted.
1450 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1452 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1453 enter/exit cfglayout mode.
1454 (pass_partition_block): Require it.
1455 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1456 (combine_instructions): Track basic blocks instead of labels.
1457 (update_cfg_for_uncondjump): New.
1458 (try_combine): Use it. Update jumps after rescanning.
1459 (pass_combine): Require PROP_cfglayout.
1460 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1462 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1464 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1465 Provide/destroy PROP_cfglayout respectively.
1466 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1467 * tree-pass.h (PROP_cfglayout): New.
1469 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1471 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1472 fold_convert_const_fixed_from_fixed,
1473 fold_convert_const_fixed_from_int,
1474 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1475 set TREE_CONSTANT_OVERFLOW.
1476 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1477 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1479 2009-03-30 Ira Rosen <irar@il.ibm.com>
1481 * tree-vect-loop-manip.c: New file.
1482 * tree-vectorizer.c: Update documentation and included files.
1483 (vect_loop_location): Make extern.
1484 (rename_use_op): Move to tree-vect-loop-manip.c
1485 (rename_variables_in_bb, rename_variables_in_loop,
1486 slpeel_update_phis_for_duplicate_loop,
1487 slpeel_update_phi_nodes_for_guard1,
1488 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1489 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1490 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1491 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1492 find_loop_location): Likewise.
1493 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1494 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1495 get_vectype_for_scalar_type, vect_is_simple_use,
1496 supportable_widening_operation, supportable_narrowing_operation):
1498 (bb_in_loop_p): Move to tree-vect-loop.c.
1499 (new_loop_vec_info, destroy_loop_vec_info,
1500 reduction_code_for_scalar_code, report_vect_op,
1501 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1502 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1503 (vect_supportable_dr_alignment): Likewise.
1504 * tree-vectorizer.h (tree-data-ref.h): Include.
1505 (vect_loop_location): Declare.
1506 Reorganize function declarations according to the new file structure.
1507 * tree-vect-loop.c: New file.
1508 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1509 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1510 * tree-vect-data-refs.c: New file.
1511 * tree-vect-patterns.c (timevar.h): Don't include.
1512 * tree-vect-stmts.c: New file.
1513 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1514 tree-vect-slp.c, tree-vect-loop.c.
1515 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1516 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1517 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1518 (tree-vect-analyze.o): Remove.
1519 (tree-vect-transform.o): Likewise.
1520 (tree-vect-data-refs.o): Add rule.
1521 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1522 tree-vect-slp.o): Likewise.
1523 (tree-vect-patterns.o): Remove redundant dependencies.
1524 (tree-vectorizer.o): Likewise.
1525 * tree-vect-slp.c: New file.
1527 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1529 * optc-gen.awk: Warn if an option flag has multiple different
1532 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1534 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1535 -floop-block): Document dependences on PPL, CLooG and Graphite.
1537 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1539 PR rtl-optimization/323
1540 * c-common.c (c_fully_fold, convert_and_check,
1541 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1542 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1543 * c-common.def (EXCESS_PRECISION_EXPR): New.
1544 * c-cppbuiltin.c (builtin_define_float_constants): Define
1545 constants with enough digits for long double.
1546 * c-lex.c (interpret_float): Interpret constant with excess
1547 precision where appropriate.
1548 * c-opts.c (c_common_post_options): Set
1549 flag_excess_precision_cmdline. Give an error for
1550 -fexcess-precision=standard for C++ for processors where the
1551 option is significant.
1552 * c-parser.c (c_parser_conditional_expression): Handle excess
1553 precision in condition.
1554 * c-typeck.c (convert_arguments): Handle arguments with excess
1556 (build_unary_op): Move excess precision outside operation.
1557 (build_conditional_expr): Likewise.
1558 (build_compound_expr): Likewise.
1559 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1560 (build_modify_expr): Handle excess precision in RHS.
1561 (convert_for_assignment): Handle excess precision in converted
1563 (digest_init, output_init_element, process_init_element): Handle
1564 excess precision in initializer.
1565 (c_finish_return): Handle excess precision in return value.
1566 (build_binary_op): Handle excess precision in operands and add
1567 excess precision as needed for operation.
1568 * common.opt (-fexcess-precision=): New option.
1569 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1570 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1571 For standard excess precision, output explicit conversion to and
1572 truncation from XFmode.
1573 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1574 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1575 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1576 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1577 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1578 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1579 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1580 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1581 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1582 define_splits, sqrt<mode>2): Disable where appropriate for
1583 standard excess precision.
1584 * convert.c (convert_to_real): Do not shorten arithmetic to type
1585 for which excess precision would be used.
1586 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1587 * doc/invoke.texi (-fexcess-precision=): Document option.
1588 (-mfpmath=): Correct index entry.
1589 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1590 flag_excess_precision): New.
1591 * langhooks.c (lhd_post_options): Set
1592 flag_excess_precision_cmdline.
1593 * opts.c (common_handle_option): Handle -fexcess-precision=.
1594 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1595 init_excess_precision): New.
1596 (lang_dependent_init_target): Call init_excess_precision.
1597 * tree.c (excess_precision_type): New.
1598 * tree.h (excess_precision_type): Declare.
1600 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1603 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1604 non-lvalue to component.
1606 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1608 PR preprocessor/34695
1609 * Makefile.in (c-opts.o): Depend on c-tree.h.
1610 * c-common.c: Move down include of diagnostic.h.
1611 (done_lexing, c_cpp_error): New.
1612 * c-common.h (done_lexing): Declare.
1613 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1615 * c-opts.c: Include c-tree.h.
1616 (c_common_init_options): Set preprocessor error callback.
1617 (c_common_handle_option): Do not set preprocessor
1618 inhibit_warnings, warnings_are_errors, warn_system_headers,
1619 pedantic_errors or inhibit_warnings flags.
1620 (c_common_post_options): Do not check cpp_errors (parse_in).
1621 (c_common_finish): Do not output dependencies if there were
1622 errors. Do not check return value of cpp_finish.
1623 * c-ppoutput.c (pp_file_change): Set input_location.
1624 * c-tree.h (c_cpp_error): Declare.
1625 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1627 (diagnostic_build_prefix): Check override_column.
1628 * diagnostic.h (diagnostic_info): Add override_column field.
1629 (diagnostic_override_column): Define.
1631 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1633 * c-common.c (c_expand_expr, c_staticp): Remove.
1634 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1635 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1636 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1637 * c-gimplify.c (gimplify_compound_literal_expr,
1638 optimize_compound_literals_in_ctor): Remove.
1639 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1640 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1641 * c-semantics.c (emit_local_var): Remove.
1643 * langhooks-def.h (lhd_expand_expr): Remove.
1644 * langhooks.c (lhd_expand_expr): Remove.
1645 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1647 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1648 handling from c-semantics.c; don't call into langhook.
1649 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1650 * gimplify.c (gimplify_compound_literal_expr,
1651 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1652 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1653 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1654 as was done in c-gimplify.c.
1655 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1656 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1657 Move from c-common.h.
1658 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1660 * tree.c (staticp): Do not call langhook.
1661 * langhooks.c (lhd_staticp): Delete.
1662 * langhooks-def.h (lhd_staticp): Delete prototype.
1663 (LANG_HOOKS_STATICP): Delete.
1664 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1666 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1667 instead of DECL_STMTs.
1669 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1677 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1679 (fold_call_expr): Return a NOP_EXPR from folding rather than the
1680 contained expression.
1681 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1682 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
1683 conditional expressions for C.
1684 (decl_constant_value_for_optimization): Move from
1685 decl_constant_value_for_broken_optimization in c-typeck.c. Check
1686 whether optimizing and that the expression is a VAR_DECL not of
1687 array type instead of doing such checks in the caller. Do not
1688 check pedantic. Call gcc_unreachable for C++.
1689 * c-common.def (C_MAYBE_CONST_EXPR): New.
1690 * c-common.h (c_fully_fold, c_save_expr,
1691 decl_constant_value_for_optimization): New prototypes.
1692 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1693 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1694 EXPR_INT_CONST_OPERANDS): Define.
1695 * c-convert.c (convert): Strip nops from expression.
1696 * c-decl.c (groktypename): Take extra parameters expr and
1697 expr_const_operands. Update call to grokdeclarator.
1698 (start_decl): Update call to grokdeclarator. Add statement for
1699 expressions used in type of decl.
1700 (grokparm): Update call to grokdeclarator.
1701 (push_parm_decl): Update call to grokdeclarator.
1702 (build_compound_literal): Add parameter non_const and build a
1703 C_MAYBE_COSNT_EXPR if applicable.
1704 (grokdeclarator): Take extra parameters expr and
1705 expr_const_operands. Track expressions used in declaration
1706 specifiers and declarators. Fold array sizes and track whether
1707 they are constant expressions and whether they are integer
1708 constant expressions.
1709 (parser_xref_tag): Set expr and expr_const_operands fields in
1711 (grokfield): Update call to grokdeclarator.
1712 (start_function): Update call to grokdeclarator.
1713 (build_null_declspecs): Set expr and expr_const_operands fields in
1715 (declspecs_add_type): Handle expressions in typeof specifiers.
1716 * c-parser.c (c_parser_declspecs): Set expr and
1717 expr_const_operands fields for declaration specifiers.
1718 (c_parser_enum_specifier): Likewise.
1719 (c_parser_struct_or_union_specifier): Likewise.
1720 (c_parser_typeof_specifier): Likewise. Update call to
1721 groktypename. Fold expression as needed. Return expressions with
1722 type instead of adding statements.
1723 (c_parser_attributes): Update calls to c_parser_expr_list.
1724 (c_parser_statement_after_labels): Fold expression before passing
1725 to objc_build_throw_stmt.
1726 (c_parser_condition): Fold expression.
1727 (c_parser_asm_operands): Fold expression.
1728 (c_parser_conditional_expression): Use c_save_expr. Update call
1729 to build_conditional_expr.
1730 (c_parser_alignof_expression): Update call to groktypename.
1731 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1732 original_code. Fold expression argument of va_arg. Create
1733 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1734 argument to va_arg. Update calls to groktypename. Fold array
1735 index for offsetof. Verify that first argument to
1736 __builtin_choose_expr has integer type.
1737 (c_parser_postfix_expression_after_paren_type): Update calls to
1738 groktypename and build_compound_literal. Handle expressions with
1739 side effects in type name.
1740 (c_parser_postfix_expression_after_primary): Update call to
1741 c_parser_expr_list. Set original_code for calls to
1742 __builtin_constant_p.
1743 (c_parser_expr_list): Take extra parameter fold_p. Fold
1744 expressions if requested.
1745 (c_parser_objc_type_name): Update call to groktypename.
1746 (c_parser_objc_synchronized_statement): Fold expression.
1747 (c_parser_objc_receiver): Fold expression.
1748 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1749 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1750 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1751 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1752 (struct c_typespec): Add elements expr and expr_const_operands.
1753 (struct c_declspecs): Add elements expr and expr_const_operands.
1754 (groktypename, build_conditional_expr, build_compound_literal):
1756 (in_late_binary_op): Declare.
1757 * c-typeck.c (note_integer_operands): New function.
1758 (in_late_binary_op): New variable.
1759 (decl_constant_value_for_broken_optimization): Move to c-common.c
1760 and rename to decl_constant_value_for_optimization.
1761 (default_function_array_conversion): Do not strip nops.
1762 (default_conversion): Do not call
1763 decl_constant_value_for_broken_optimization.
1764 (build_array_ref): Do not fold result.
1765 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
1766 result when operand is a VLA.
1767 (c_expr_sizeof_type): Update call to groktypename. Handle
1768 expressions included in type name. Use C_MAYBE_CONST_EXPR for
1769 result when operand names a VLA type.
1770 (build_function_call): Update call to build_compound_literal.
1771 Only fold result for calls to __builtin_* functions. Strip
1772 NOP_EXPR from INTEGER_CST returned from such functions. Fold
1773 the function designator.
1774 (convert_arguments): Fold arguments. Update call to
1775 convert_for_assignment.
1776 (build_unary_op): Handle increment and decrement of
1777 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
1778 decrement earlier. Fold operand of increment and decrement.
1779 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
1780 built for integer operand. Wrap returns that are INTEGER_CSTs
1781 without being integer constant expressions or that have integer
1782 constant operands without being INTEGER_CSTs.
1783 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1784 (build_conditional_expr): Add operand ifexp_bcp. Track whether
1785 result is an integer constant expression or can be used in
1786 unevaluated parts of one and avoid folding and wrap as
1787 appropriate. Fold operands before possibly doing -Wsign-compare
1789 (build_compound_expr): Wrap result for C99 if operands can be used
1790 in integer constant expressions.
1791 (build_c_cast): Update call to digest_init. Do not ignore
1792 overflow from casting floating-point constants to integers. Wrap
1793 results that could be confused with integer constant expressions,
1794 null pointer constants or floating-point constants.
1795 (c_cast_expr): Update call to groktypename. Handle expressions
1796 included in type name.
1797 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
1798 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
1799 Update calls to convert_for_assignment.
1800 (convert_for_assignment): Take new parameter
1801 null_pointer_constant. Do not strip nops or call
1802 decl_constant_value_for_broken_optimization. Set
1803 in_late_binary_op for conversions to boolean.
1804 (store_init_value): Update call to digest_init.
1805 (digest_init): Take new parameter null_pointer_constant. Do not
1806 call decl_constant_value_for_broken_optimization. pedwarn for
1807 initializers not constant expressions. Update calls to
1808 convert_for_assignment.
1809 (constructor_nonconst): New.
1810 (struct constructor_stack): Add nonconst element.
1811 (really_start_incremental_init, push_init_level, pop_init_level):
1812 Handle constructor_nonconst and nonconst element.
1813 (set_init_index): Call constant_expression_warning for array
1815 (output_init_element): Fold value. Set constructor_nonconst as
1816 applicable. pedwarn for initializers not constant expressions.
1817 Update call to digest_init. Call constant_expression_warning
1818 where constant initializers are required.
1819 (process_init_element): Use c_save_expr.
1820 (c_finish_goto_ptr): Fold expression.
1821 (c_finish_return): Fold return value. Update call to
1822 convert_for_assignment.
1823 (c_start_case): Fold switch expression.
1824 (c_process_expr_stmt): Fold expression.
1825 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1826 ensure statement expression is not evaluated in constant expression.
1827 (build_binary_op): Track whether results are integer constant
1828 expressions or may occur in such, disable folding and wrap results
1829 as applicable. Fold operands for -Wsign-compare warnings unless
1831 (c_objc_common_truthvalue_conversion): Handle results folded to
1832 integer constants that are not integer constant expressions.
1833 * doc/extend.texi: Document when typeof operands are evaluated,
1834 that condition of __builtin_choose_expr is an integer constant
1835 expression, and more about use of __builtin_constant_p in
1838 2009-03-29 Richard Guenther <rguenther@suse.de>
1840 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1841 propagate addresses of array references.
1843 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
1845 * regmove.c (perhaps_ends_bb_p): Remove.
1846 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
1847 from INSN and check that the main loop stays within that basic block.
1848 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1849 (regmove_forward_pass): Split out from regmove_optimize. Use
1850 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1851 (regmove_backward_pass): Split out from regmove_optimize. Use
1852 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1853 (regmove_optimize): Simplify.
1855 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1858 * config/i386/i386.c (classify_argument): Ignore flexible array
1859 member in struct and warn ABI change.
1861 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1863 * config/i386/i386-protos.h (ix86_agi_dependent): New.
1865 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1866 (ix86_adjust_cost): Updated.
1868 2009-03-29 Jan Hubicka <jh@suse.cz>
1871 * tree-pass.h (pass_cleanup_eh): New function.
1872 (remove_unreachable_regions): Break code handling RTL
1873 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1874 that can not be reached by runtime.
1875 (can_be_reached_by_runtime): New function.
1876 (label_to_region_map): New function.
1877 (num_eh_regions): New function.
1878 (rtl_remove_unreachable_regions): New function.
1879 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1880 (remove_eh_region): New function.
1881 * except.h: Include sbitmap and vecprim.
1882 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1883 num_eh_regions): Declare.
1884 * passes.c (init_optimization_passes): Schedule cleanup_eh.
1885 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1886 * tree-eh.c (tree_remove_unreachable_handlers): New function.
1887 (tree_empty_eh_handler_p): New function.
1888 (cleanup_empty_eh): New function.
1889 (cleanup_eh): New function.
1890 (pass_cleanup_eh): New function.
1892 2009-03-29 Jan Hubicka <jh@suse.cz>
1894 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1895 for removed regions.
1897 2009-03-29 Jan Hubicka <jh@suse.cz>
1899 * except.c (dump_eh_tree): Dump all datastructures.
1901 2009-03-29 Jan Hubicka <jh@suse.cz>
1903 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1904 (duplicate_eh_regions_1): Likewise.
1905 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1906 vector; call EH verification.
1907 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1908 Be ready for region being removed.
1910 2009-03-29 Jan Hubicka <jh@suse.cz>
1912 * bitmap.c (bitmap_last_set_bit): New function.
1913 * bitmap.h (bitmap_last_set_bit): Declare.
1915 2009-03-29 David Ayers <ayers@fsfe.org>
1918 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1919 by calling objc_compare_types and surpress warnings about
1920 incompatible C pointers that are compatible ObjC pointers.
1922 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
1924 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1925 call initialize_inline_failed.
1926 (initialize_inline_failed): Move it from here ...
1927 * cgraph.c (initialize_inline_failed): ... to here.
1928 (cgraph_create_edge): Call initialize_inline_failed rather than
1929 setting inline_failed directly.
1931 2009-03-29 Ben Elliston <bje@au.ibm.com>
1934 * sysv4.opt (msdata): Improve comment.
1935 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1936 * sysv4.h (SVR4_ASM_SPEC): Likewise.
1938 2009-03-29 Ben Elliston <bje@au.ibm.com>
1941 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1942 load and store attributes.
1944 2009-03-29 Ben Elliston <bje@au.ibm.com>
1946 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1947 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1948 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1949 * doc/extend.texi (X86 Built-in Functions): Add index entries for
1950 __builtin_infq and __builtin_huge_valq.
1952 2009-03-28 Anatoly Sokolov <aesok@post.ru>
1954 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1956 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1957 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1959 2009-03-28 Xinliang David Li <davidxl@google.com>
1961 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
1962 (do_dbg_cnt): New function.
1964 2009-03-28 Jan Hubicka <jh@suse.cz>
1966 Merge from pretty-ipa:
1968 2009-03-27 Jan Hubicka <jh@suse.cz>
1970 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1971 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1972 * passes.c (function_called_by_processed_nodes_p): New.
1973 * ipa-pure-const.c (check_call): Fix handling of operands.
1974 (analyze_function): Dump debug output for skipped bodies.
1975 (local_pure_const): Use function_called_by_processed_nodes_p.
1976 * dwarf2out.c (reference_to_unused): Use output.
1977 * passes.c (do_per_function_toporder): Likewise.
1979 2008-11-12 Jan Hubicka <jh@suse.cz>
1981 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
1982 * ipa-pure-const.c (funct_state_d): Add can throw field; make
1983 state_set_in_source enum
1984 (check_decl): Ignore memory tags; do not set fake looping flags;
1986 (check_operand, check_tree, check_rhs_var, check_lhs_var,
1987 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
1988 (check_call, analyze_function): Rewrite.
1990 (add_new_function): Update call of analyze_function.
1991 (generate_summary): Add call of analyze_function.
1992 (propagate): Propagate can_throw; handle state_set_in_source correctly.
1993 (local_pure_const): New function.
1994 (pass_local_pure_const): New pass.
1995 * ipa-inline.c (inline_transform): Set after_inlining.
1996 * tree-eh.c (stmt_can_throw_external): New.
1997 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
1998 work with aliasing built.
1999 * tree-flow.h (stmt_can_throw_external): New.
2000 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2001 and local pure/const pass in early and late optimization queue.
2003 2009-03-28 Martin Jambor <mjambor@suse.cz>
2005 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2007 (fold_binary): Allow function decl aligment consideration is the
2008 second argument is integer constant one.
2009 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2010 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2011 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2013 2009-03-28 Jan Hubicka <jh@suse.cz>
2015 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2016 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2017 * function.h (rtl_data): Add nothrow flag.
2018 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2019 set DECL_NOTHROW for AVAILABLE functions.
2021 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2023 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2024 following vector keyword has expansion starting with pixel or bool
2025 keyword, expand vector to __vector and pixel or bool to __pixel or
2029 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2030 warn_if_disallowed_function_p): Removed.
2031 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2032 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2033 warning_if_disallowed_function_p.
2034 * flags.h (warn_if_disallowed_function_p,
2035 warn_disallowed_functions): Removed.
2036 * common.opt (Wdisallowed-function-list=): Removed.
2037 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2039 2009-03-28 Richard Guenther <rguenther@suse.de>
2041 PR tree-optimization/38723
2042 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2045 2009-03-28 Jan Hubicka <jh@suse.cz>
2047 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2048 test introduced by my previous patch.
2050 2009-03-28 Richard Guenther <rguenther@suse.de>
2052 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2053 the PHIs value undefined.
2055 2009-03-28 Jan Hubicka <jh@suse.cz>
2057 * tree-pass.h (pass_fixup_cfg): New pass.
2058 * ipa-inline.c (inline_transform): Set
2059 always_inline_functions_inlined/after_inlining.
2060 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2061 (pass_fixup_cfg): New pass.
2062 * passes.c (init_optimization_passes): Add fixup_cfg.
2064 2009-03-28 Richard Guenther <rguenther@suse.de>
2066 PR tree-optimization/38458
2067 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2068 argument use the arguments copy-of value.
2070 2009-03-28 Richard Guenther <rguenther@suse.de>
2072 PR tree-optimization/38180
2073 * tree-ssa-ccp.c (get_default_value): Simplify.
2074 (likely_value): Likewise.
2075 (surely_varying_stmt_p): Properly handle VOP case.
2076 (ccp_initialize): Likewise.
2077 (ccp_fold): Handle propagating through *&.
2078 (fold_const_aggregate_ref): Also handle decls.
2080 2009-03-28 Jan Hubicka <jh@suse.cz>
2082 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2083 * cgraph.h (cgraph_node): Likewise.
2084 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2085 (cgraph_reset_node): Use process flag.
2086 (cgraph_mark_functions_to_output): Likewise.
2087 (cgraph_expand_function): Likewise.
2088 (cgraph_expand_all_functions): Likewise.
2089 (cgraph_output_in_order): Likewise.
2090 * dwarf2out.c (reference_to_unused): Likewise.
2091 * passes.c do_per_function_toporder): Likewise.
2093 2009-03-28 Jan Hubicka <jh@suse.cz>
2095 Bring from lto-branch:
2097 2008-09-03 Doug Kwan <dougkwan@google.com>
2099 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2100 enums instead of reason strings.
2101 * cgraph.c (cgraph_create_edge): Same.
2102 (cgraph_inline_failed_string): New function.
2103 * cgraph.h (cgraph_inline_failed_t): New enum type.
2104 (cgraph_inline_failed_string): New prototype.
2105 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2106 char pointer to cgraph_inline_failed_t.
2107 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2108 (cgraph_default_inline_p): Ditto.
2109 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2110 to cgraph_inline_failed_t pointer.
2111 * cif-code.def: New file.
2112 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2114 (cgraph_check_inline_limits): Change type of REASON to pointer to
2115 cgraph_inline_failed_t. Replace reason strings with enums.
2116 (cgraph_default_inline_p): Ditto.
2117 (cgraph_recursive_inlining_p): Ditto.
2118 (update_caller_keys): Change type of FAILED_REASON to
2119 cgraph_inline_failed_t.
2120 (cgraph_set_inline_failed): Change type of REASON to pointer to
2121 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2122 convert enums to strings for text output.
2123 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2124 to be of type cgraph_inline_failed_t. Replace reason strings with
2125 enums. Call cgraph_inline_failed_string to covert enums
2126 to strings for text output.
2127 (cgraph_decide_inlining): Replace reason strings with enums.
2128 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2129 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2131 * tree-inline.c (expand_call_inline): Change type of REASON
2132 to cgraph_inline_failed_t. Replace reason strings with enums.
2133 Call cgraph_inline_failed_string for text output.
2134 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2137 2009-03-28 Jan Hubicka <jh@suse.cz>
2139 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2140 cgraph_clone_node): Remove master clone handling.
2141 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2142 * cgraph.h (master_clone): Remove.
2143 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2144 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2145 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2147 2009-03-28 Jan Hubicka <jh@suse.cz>
2149 * cgraph.c (cgraph_function_body_availability): Functions declared
2150 inline are always safe to assume that it is not going to be replaced.
2152 2009-03-28 Richard Guenther <rguenther@suse.de>
2154 PR tree-optimization/38513
2155 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2156 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2157 EXC_PTR_EXPR and FILTER_EXPR.
2158 (get_ref_from_reference_ops): Likewise.
2160 2009-03-28 Richard Guenther <rguenther@suse.de>
2162 PR tree-optimization/38968
2163 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2164 Use FLOOR_MOD_EXPR to compute misalignment.
2166 2009-03-28 Richard Guenther <rguenther@suse.de>
2168 PR tree-optimization/37795
2169 * tree.h (combine_comparisons): Declare.
2170 * fold-const.c (combine_comparisons): Export.
2171 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2173 (ifcombine_iforif): Use combine_comparisons.
2175 2009-03-28 Jan Hubicka <jh@suse.cz>
2177 * tree-eh.c (inlinable_call_p): New function.
2178 (make_eh_edges): Use it.
2179 (verify_eh_edges): Use it.
2180 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2181 * except.c (reachable_next_level): Add inlinable_function argument
2182 (sjlj_find_directly_reachable_regions): Update.
2183 (add_reachable_handler): Do not set saw_any_handlers.
2184 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2185 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2186 Add new inlinable call parameter.
2187 (can_throw_internal, can_throw_external): Update.
2188 * except.h (can_throw_internal_1, can_throw_external_1,
2189 foreach_reachable_handler): Update declaration.
2191 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2193 * config/arm/t-arm-coff, config/h8300/coff.h,
2194 config/i386/i386-aout.h, config/i386/i386-coff.h,
2195 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2196 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2197 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2198 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2199 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2200 sys-types.h: Remove.
2201 * Makefile.in: Remove protoize and fixproto support and references
2203 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2204 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2206 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2207 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2208 unprotoize$(exeext).
2209 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2210 (.PHONY): Don't depend on proto.
2211 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2212 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2213 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2214 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2215 build/gen-protos.o, build/scan.o, xsys-protos.h,
2216 build/fix-header$(build_exeext), build/fix-header.o,
2217 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2218 stmp-install-fixproto): Remove.
2219 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2220 SYSCALLS.c or fixproto files.
2221 (install-common): Don't install protoize.
2222 (install-headers-tar, install-headers-cpio, install-headers-cp):
2223 Don't depend on $(STMP_FIXPROTO).
2224 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2225 install fixproto files or write out fixproto settings.
2226 (uninstall): Don't uninstall protoize.
2227 * config.gcc (use_fixproto): Remove.
2228 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2229 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2230 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2231 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2232 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2233 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2234 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2235 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2236 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2237 * config/t-vxworks (STMP_FIXPROTO): Remove.
2238 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2239 STMP_FIXPROTO): Remove.
2240 * config.in, configure: Regenerate.
2241 * crtstuff.c (gid_t, uid_t): Don't undefine.
2242 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2243 (arm-*-coff, arm-*-aout: Remove target entries.
2244 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2245 Remove mention of AIX 4.1.
2246 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2247 * doc/invoke.texi (Running Protoize): Remove.
2248 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2249 (Protoize Caveats): Remove.
2250 * tsystem.h: Update comments on headers assumed to exist.
2252 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2254 * genautomata.c: Add a new year to the copyright. Add a new
2256 (struct insn_reserv_decl): Add comments for member bypass_list.
2257 (find_bypass): Remove.
2258 (insert_bypass): New.
2259 (process_decls): Use insert_bypass.
2260 (output_internal_insn_latency_func): Output all bypasses with the
2261 same input insn in one switch case.
2263 * rtl.def (define_bypass): Describe bypass choice.
2264 * doc/md.texi (define_bypass): Ditto.
2266 2009-03-27 Richard Guenther <rguenther@suse.de>
2268 * gimplify.c (mark_addressable): Export.
2269 * tree-flow.h (mark_addressable): Declare.
2270 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2271 * tree-ssa.c (verify_phi_args): Verify that address taken
2272 variables have TREE_ADDRESSABLE set.
2274 2009-03-27 Richard Guenther <rguenther@suse.de>
2276 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2277 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2278 Do not mark decls TREE_ADDRESSABLE.
2279 (build_fold_addr_expr): Adjust.
2280 (fold_addr_expr): Remove.
2281 (fold_unary): Use build_fold_addr_expr.
2282 (fold_comparison): Likewise.
2283 (split_address_to_core_and_offset): Likewise.
2284 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2286 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2287 (gimplify_modify_expr_to_memcpy): Mark source and destination
2289 * omp-low.c (create_omp_child_function): Mark the object decl
2291 (lower_rec_input_clauses): Mark the var we take the address of
2293 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2295 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2298 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2299 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2301 2009-03-27 Richard Guenther <rguenther@suse.de>
2303 PR tree-optimization/39120
2304 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2306 (handle_lhs_call): Process return constraints. Add escape
2307 constraints if necessary.
2308 (handle_const_call): Fill out return constraints. Make nested
2309 case more precise. Avoid consttmp if possible.
2310 (handle_pure_call): Fill out return constraints. Avoid
2311 callused if possible.
2312 (find_func_aliases): Simplify call handling.
2314 2009-03-27 Richard Guenther <rguenther@suse.de>
2316 PR tree-optimization/39120
2317 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2318 as a representative.
2319 (solve_graph): Do propagate CALLUSED.
2320 (handle_pure_call): Use a scalar constraint from CALLUSED for
2322 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2325 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2328 * c-common.c (handle_aligned_attribute): Properly check alignment
2329 overflow. Use (1U << i) instead of (1 << i).
2331 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2333 * expr.h (get_mem_align_offset): Updated.
2335 * tree.h (tree_decl_common): Change align to "unsigned int" and
2336 move it before pointer_alias_set.
2338 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2339 Jakub Jelinek <jakub@redhat.com>
2342 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2343 gr_register_operand with gr_reg_or_0_operand.
2344 (cmpxchg_rel_di): Likewise.
2345 (sync_lock_test_and_set<mode>): Likewise.
2347 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2349 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2350 (true_regnum): Likewise.
2352 * rtlanal.c (subreg_info): Moved to ...
2353 * rtl.h (subreg_info): Here. New.
2354 (subreg_get_info): New.
2356 * rtlanal.c (subreg_get_info): Make it extern.
2358 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2361 * config/i386/i386.c (ix86_abi): New.
2362 (override_options): Handle -mabi=.
2363 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2364 (ix86_call_abi_override): Likewise.
2365 (init_cumulative_args): Likewise.
2366 (function_arg_advance): Likewise.
2367 (function_arg_64): Likewise.
2368 (function_arg): Likewise.
2369 (ix86_pass_by_reference): Likewise.
2370 (ix86_function_value_regno_p): Likewise.
2371 (ix86_build_builtin_va_list_abi): Likewise.
2372 (setup_incoming_varargs_64): Likewise.
2373 (is_va_list_char_pointer): Likewise.
2374 (ix86_init_machine_status): Likewise.
2375 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2376 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2377 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2378 (ix86_function_abi): Make it static and return enum calling_abi.
2379 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2381 (ix86_fn_abi_va_list): Updated.
2383 * config/i386/i386.h (ix86_abi): New.
2384 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2385 (CONDITIONAL_REGISTER_USAGE): Likewise.
2386 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2387 (machine_function): Likewise.
2389 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2391 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2392 (STACK_BOUNDARY): Likewise.
2393 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2395 * config/i386/i386.opt (mabi=): New.
2397 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2398 return enum calling_abi.
2399 (ix86_function_type_abi): Likewise.
2400 (ix86_function_abi): Removed.
2402 * doc/invoke.texi: Document -mabi= option for x86.
2404 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2406 * builtins.c (real_dconstp): Delete.
2407 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2409 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2410 Jakub Jelinek <jakub@redhat.com>
2413 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2414 (gen_subprogram_die): When a function is explicit, generate the
2415 DW_AT_explicit attribute.
2416 * langhooks.h (struct lang_hooks_for_decls): Add
2417 function_decl_explicit_p langhook.
2418 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2419 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2421 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2423 * builtins.c (fold_builtin_memory_op): Optimize memmove
2424 into memcpy if we can prove source and destination don't overlap.
2426 * tree-inline.c: Include gt-tree-inline.h.
2427 (clone_fn_id_num): New variable.
2428 (clone_function_name): New function.
2429 (tree_function_versioning): Use it.
2430 * Makefile.in (GTFILES): Add tree-inline.c.
2432 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2434 * BASE-VER: Change to 4.5.0.
2436 2009-03-27 Xinliang David Li <davidxl@google.com>
2438 PR tree-optimization/39557
2439 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2441 2009-03-27 Xinliang David Li <davidxl@google.com>
2443 PR tree-optimization/39548
2444 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2447 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2449 * c-common.c (pointer_int_sum): Use %wd on return from
2452 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2454 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2455 on return from tree_low_cst.
2457 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2460 * ginclude/stdarg.h (va_copy): Define also for
2461 __GXX_EXPERIMENTAL_CXX0X__.
2463 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2466 * builtins.h (c_strlen): Do not warn here.
2467 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2468 * c-common.c (pointer_int_sum): Take an explicit location.
2469 Warn about offsets out of bounds.
2470 * c-common.h (pointer_int_sum): Adjust declaration.
2472 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2474 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2477 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2480 * opts.c (warn_if_disallowed_function_p): Don't assume
2481 get_callee_fndecl must return non-NULL.
2483 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2485 PR rtl-optimization/39522
2486 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2487 when reg_reloaded_valid is set.
2489 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2491 * config/spu/divv2df3.c: New file.
2492 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2493 (DPBIT_FUNCS): Filter out _div_df.
2495 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2497 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2498 a jump insn, count that jump in the distance to the loop start.
2500 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2503 * config/sh/sh.c (calc_live_regs): Fix condition for global
2504 registers except PIC_OFFSET_TABLE_REGNUM.
2506 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2509 * doc/invoke.texi (-mconsole): New.
2513 (-mnop-fun-dllimport): New.
2517 (sub section "i386 and x86-64 Windows Options"): New.
2519 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2521 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2522 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2524 2009-03-25 Richard Guenther <rguenther@suse.de>
2527 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2530 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2532 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2533 neither of haifa/selective schedulers are working.
2535 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2537 * doc/invoke.texi (Debugging Options): Fix description of
2538 -fno-merge-debug-strings.
2540 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2542 * config/cris/libgcc.ver: New version-script.
2543 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2545 * configure.ac <GAS features, nop mnemonic>: Add pattern
2546 crisv32-*-* for "nop".
2547 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2548 * configure: Regenerate.
2550 2009-03-24 Ira Rosen <irar@il.ibm.com>
2552 PR tree-optimization/39529
2553 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2554 mark_sym_for_renaming for the tag copied to the new vector
2557 2009-03-24 Arthur Loiret <aloiret@debian.org>
2559 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2560 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2561 EXTRA_SPEC_FUNCTIONS.
2562 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2563 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2564 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2565 -march and -mtune options.
2567 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2569 * config/m68k/t-rtems: Add m5329 multilib.
2571 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2572 Jakub Jelinek <jakub@redhat.com>
2575 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2578 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2581 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2582 instead of c_parser_expression_conv, if original_code isn't one of the
2583 4 allowed comparison codes, fail.
2585 2009-03-23 Richard Guenther <rguenther@suse.de>
2587 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2588 * tree.h (struct tree_type): Likewise.
2589 * reload.h (struct insn_chain): Likewise.
2590 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2591 * function.h (struct function): Likewise.
2592 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2594 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2596 PR tree-optimization/39516
2597 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2599 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2601 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2602 should be set true if BITS_PER_WORD of target is bigger than 32
2604 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2606 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2607 Translate -B-options to -rpath-link. Correct existing
2608 rpath-link and conditionalize on !nostdlib.
2610 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2612 * doc/extend.texi (Function Attributes, Variable Attributes):
2614 * doc/invoke.texi (Debugging Options, Optimize Options)
2615 (i386 and x86-64 Options, MCore Options): Likewise.
2617 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2620 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2621 it for block local namespace aliases.
2622 (gen_decl_die): Pass context_die to gen_namespace_die.
2624 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2627 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2628 minimum or maximum value.
2630 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2632 * reginfo.c (globalize_reg): Recompute derived reg sets.
2634 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2637 * libgcc2.c (mprotect): Do not use signed arguments for
2638 VirtualProtect, use DWORD arguments. Also fix the 'may
2639 be used uninitialized' warning for the np variable.
2641 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2644 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2645 functions using regparm calling conventions when not optimizing.
2646 (ix86_function_sseregparm): Similarly for sseregparm calling
2649 2009-03-19 Li Feng <nemokingdom@gmail.com>
2652 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2653 dependence if the first conflict is after niter iterations.
2655 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
2658 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2659 functions with dynamic stack-pointer adjustments.
2661 2009-03-19 Ben Elliston <bje@au.ibm.com>
2663 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2664 option; change to -msdata=data.
2666 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2668 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2671 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
2674 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2676 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
2678 * doc/invoke.texi (Code Gen Options): Expand discussion of
2681 2009-03-18 Jakub Jelinek <jakub@redhat.com>
2683 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2684 * matrix-reorg.c (struct matrix_info): Likewise.
2685 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2686 * rtl.h (struct mem_attrs): Likewise.
2687 * df.h (struct df): Likewise.
2688 * tree-data-ref.h (struct data_dependence_relation): Likewise.
2689 * ira-int.h (struct ira_allocno): Likewise.
2690 * df-scan.c (struct df_collection_rec): Likewise.
2691 * ira.c (struct equivalence): Likewise.
2692 * function.c (struct temp_slot): Likewise.
2693 * cfgloop.h (struct loop): Likewise.
2696 * function.c (use_register_for_decl): When not optimizing, disregard
2697 register keyword for variables with types containing methods.
2699 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
2702 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2703 (is_simple_operand): Call contains_component_ref_p before calling data
2704 reference analysis that would fail on COMPONENT_REFs.
2706 * tree-vrp.c (search_for_addr_array): Fix formatting.
2708 2009-03-18 Richard Guenther <rguenther@suse.de>
2710 * tree-vect-transform.c (vect_loop_versioning): Fold the
2711 generated comparisons.
2712 * tree-vectorizer.c (set_prologue_iterations): Likewise.
2713 (slpeel_tree_peel_loop_to_edge): Likewise.
2715 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2718 * opts.c (print_specific_help): In addition to `undocumented',
2719 accept `separate' and `joined' flags if passed alone. Describe
2720 output by the first matched one of those.
2721 (common_handle_option): Skip over empty strings.
2722 * gcc.c (display_help): Fix help string for `--help='.
2723 * doc/invoke.texi (Option Summary, Overall Options): With
2724 `--help=', classes and qualifiers can both be repeated, but
2725 only the latter can be negated. One should not pass only
2726 negated qualifiers. Fix markup and examples.
2729 2008-10-14 Jakub Jelinek <jakub@redhat.com>
2731 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2732 and -fhelp=separate.
2734 2009-03-17 Jing Yu <jingyu@google.com>
2737 * function.h (struct rtl_data): Move is_thunk from here...
2738 (struct function): ...to here.
2739 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2740 * varasm.c (assemble_start_function): Change is_thunk from crtl to
2742 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2744 (alpha_does_function_need_gp, alpha_start_function): Likewise.
2745 (alpha_output_function_end_prologue): Likewise.
2746 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2747 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2748 (rs6000_output_function_epilogue): Likewise.
2749 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2751 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
2754 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2755 from different units in a single alternative.
2756 (*truncdfsf_i387): Ditto.
2757 (*truncxfsf2_mixed): Ditto.
2758 (*truncxfdf2_mixed): Ditto.
2760 2009-03-17 Jakub Jelinek <jakub@redhat.com>
2762 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2763 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2766 * tree-ssa-live.c (remove_unused_locals): Don't remove local
2767 unused non-artificial variables when not optimizing.
2770 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2771 DW_TAG_imported_module even if decl is IMPORTED_DECL with
2772 NAMESPACE_DECL in its DECL_INITIAL.
2775 * optabs.c (set_user_assembler_libfunc): New function.
2776 * expr.h (set_user_assembler_libfunc): New prototype.
2777 * c-common.c: Include libfuncs.h.
2778 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2779 for memcmp, memset, memcpy, memmove and abort.
2780 * Makefile.in (c-common.o): Depend on libfuncs.h.
2783 * dwarf2out.c (gen_inlined_enumeration_type_die,
2784 gen_inlined_structure_type_die, gen_inlined_union_type_die,
2785 gen_tagged_type_instantiation_die): Removed.
2786 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2789 2009-03-17 Janis Johnson <janis187@us.ibm.com>
2792 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2794 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2795 (check-parallel-%): Ditto.
2796 (check-consistency): Ditto.
2798 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
2800 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2801 local variable rhs by NULL_TREE.
2803 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2806 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2808 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2811 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2813 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2816 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2817 for ms->sysv ABI calls only in 64bit mode.
2819 * config/i386/i386.md (untyped_call): Support 32bit.
2821 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
2823 * doc/extend.texi: Replace x86_65 with x86_64.
2825 2009-03-16 Jakub Jelinek <jakub@redhat.com>
2827 PR tree-optimization/39455
2828 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2829 mismatches for POINTER_TYPE_P (type).
2830 (number_of_iterations_le): Likewise.
2832 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2834 * config/picochip/picochip.c: Removed profiling support.
2835 * config/picochip/picochip.md: Removed profiling instruction.
2836 * config/picochip/picochip.h: Removed profiling builtin.
2838 2009-03-16 Joseph Myers <joseph@codesourcery.com>
2840 * doc/install.texi (--with-host-libstdcxx): Document.
2842 2009-03-14 Anatoly Sokolov <aesok@post.ru>
2845 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2846 generate a warning if the function name does not begin with
2847 "__vector" and the function has either the 'signal' or 'interrupt'
2848 attribute, from here to ...
2849 (avr_declare_function_name): ...here. New function.
2850 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2851 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2853 2009-03-14 Jakub Jelinek <jakub@redhat.com>
2856 * cse.c (fold_rtx): Don't modify original const_arg1 when
2857 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2858 separate variable instead.
2859 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2860 from out of range shift counts.
2861 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2863 2008-03-13 Catherine Moore <clm@codesourcery.com>
2865 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2866 diagnostic.h with $(DIAGNOSTIC_H).
2868 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2871 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2873 * config/i386/sync.md (sync_compare_and_swap<mode>,
2874 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2875 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2877 (sync_double_compare_and_swapdi_pic,
2878 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2879 cmpxchg8b_pic_memory_operand instead of just memory_operand.
2881 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2884 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2886 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2889 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2890 (avx_addsubv4df3): Likewise.
2891 (*avx_addsubv4sf3): Likewise.
2892 (sse3_addsubv4sf3): Likewise.
2894 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2897 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2899 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
2902 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2903 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2904 registers for allocnos created from user-defined variables.
2906 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2909 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2910 of non-integer mode as well.
2912 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
2914 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2915 for functions for which the parameter types are unknown.
2917 2009-03-11 Jakub Jelinek <jakub@redhat.com>
2920 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2921 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2922 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2923 * config/i386/i386.c (ix86_local_alignment): For
2924 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2925 long long variables on the stack to avoid dynamic realignment.
2926 Allow the first argument to be a decl rather than type.
2927 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2929 2009-03-11 Nick Clifton <nickc@redhat.com>
2932 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2934 Add description to mno-lsim option.
2935 * config/mcore/mcore.h: Remove comment about deprecated m4align
2937 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2938 * doc/invoke.texi: Add description of mno-lsim and
2939 mstack-increment options.
2941 * config/fr30/fr30.opt: Document the -mno-lsim option.
2942 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2943 and -mno-lsim options.
2945 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2947 * fold-const.c (fold_comparison): Only call fold_inf_compare
2948 if the mode supports infinities.
2950 2009-03-11 Jason Merrill <jason@redhat.com>
2953 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2954 end already did. Notice GIMPLE_CALL modifications of the result.
2955 Don't copy debug information from an ignored decl or a decl from
2958 2009-03-10 Richard Guenther <rguenther@suse.de>
2959 Nathan Froyd <froydnj@codesourcery.com>
2962 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2963 (__divMODE3): Likewise.
2965 2009-03-09 Jakub Jelinek <jakub@redhat.com>
2967 PR tree-optimization/39394
2968 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2969 DECL_SIZE_UNIT of variable length FIELD_DECLs.
2971 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2973 * recog.c (verfiy_changes): Disallow renaming of hard regs in
2974 inline asms for register asm ("") declarations.
2976 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
2978 * fold-const.c (fold_unary): Fix comment.
2980 2009-03-07 Jan Hubicka <jh@suse.cz>
2983 * tree-inline.c (setup_one_parameter): Do replacement of const
2984 argument by constant in SSA form.
2986 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2989 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
2990 determine alignment passed to assign_stack_local.
2991 (assign_parms_unsplit_complex): Likewise.
2992 * except.c (sjlj_build_landing_pads): Likewise.
2994 2009-03-06 Jakub Jelinek <jakub@redhat.com>
2997 * tree-flow.h (add_referenced_var): Return bool instead of void.
2998 * tree-dfa.c (add_referenced_var): Return result of
2999 referenced_var_check_and_insert call.
3000 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3001 of referenced_var_check_and_insert.
3004 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3005 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3006 DIE, don't emit it if abstract origin already has it.
3007 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3008 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3010 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3012 * genpreds.c (needs_variable): Fix parentheses at variable name
3014 (write_tm_constrs_h): Indent generated code.
3016 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3018 * doc/extend.texi (Function Attributes): Add documentation
3021 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3024 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3025 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3027 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3029 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3032 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3035 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3036 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3038 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3040 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3041 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3042 constants instead of magic numbers.
3043 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3045 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3046 (x86_64_ms_abi_int_parameter_registers): Ditto.
3047 (x86_64_int_return_registers): Ditto.
3048 (ix86_maybe_switch_abi): Ditto.
3049 (ix86_expand_call): Ditto for clobbered_registers array.
3050 (ix86_hard_regno_mode_ok): Ditto.
3051 (x86_extended_QIreg_mentioned_p): Ditto.
3053 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3055 PR tree-optimization/39349
3056 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3058 * combine.c (gen_lowpart_for_combine): Use omode when generating
3061 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3063 PR rtl-optimization/39235
3064 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3066 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3068 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3070 2009-03-04 Richard Guenther <rguenther@suse.de>
3072 PR tree-optimization/39362
3073 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3074 that occur in abnormal PHIs should be varying.
3076 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3078 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3080 (simple_iv): Take loop as an argument instead of statement.
3081 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3082 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3084 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3086 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3087 * matrix-reorg.c (analyze_transpose): Ditto.
3088 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3089 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3090 * tree-predcom.c (ref_at_iteration): Ditto.
3091 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3093 2009-03-04 Richard Guenther <rguenther@suse.de>
3095 PR tree-optimization/39358
3096 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3097 escaped_id and callused_id.
3098 (solve_graph): Likewise.
3100 2009-03-04 Richard Guenther <rguenther@suse.de>
3102 PR tree-optimization/39339
3103 * tree-sra.c (try_instantiate_multiple_fields): Make it
3104 no longer ICE on the above.
3106 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3108 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3109 that fits within Pmode.
3111 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3114 * tm.texi (LIBCALL_VALUE): Update description.
3116 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3119 * doc/extend.texi (section): Update description.
3121 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3124 * tree-inline.c (remapped_type): New.
3125 (can_be_nonlocal): Call remapped_type instead of remap_type.
3127 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3130 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3131 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3133 2009-03-03 Richard Guenther <rguenther@suse.de>
3136 * tree.c (tree_nonartificial_location): New function.
3137 * tree.h (tree_nonartificial_location): Declare.
3138 * builtins.c (expand_builtin_memory_chk): Provide location
3139 of the call location for artificial function pieces.
3140 (maybe_emit_chk_warning): Likewise.
3141 (maybe_emit_sprintf_chk_warning): Likewise.
3142 (maybe_emit_free_warning): Likewise.
3143 * expr.c (expand_expr_real_1): Likewise.
3145 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3147 PR tree-optimization/39343
3148 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3149 COMPONENT_REF t has ARRAY_TYPE.
3151 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3154 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3155 when the type precision of the induction variable should be
3156 larger than the type precision of nit.
3157 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3158 * graphite.c (graphite_loop_normal_form): Same.
3159 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3161 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3163 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3164 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3165 numbers to describe clobbered registers.
3166 (*call_value_0_rex64_ms_sysv): Ditto.
3167 * config/i386/mmx.md (mmx_emms): Ditto.
3170 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3172 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3175 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3177 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3178 (spu_section_type_flags): New function.
3180 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3182 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3183 reg_class_contents of FLOAT_REGS into a temporary.
3185 2009-03-02 Richard Guenther <rguenther@suse.de>
3186 Ira Rosen <irar@il.ibm.com>
3188 PR tree-optimization/39318
3189 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3190 information to the vectorized statement.
3192 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3194 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3195 variable. Use defined names instead of magic constants for REX SSE
3198 2009-03-01 Richard Guenther <rguenther@suse.de>
3200 PR tree-optimization/39331
3201 * omp-low.c (lower_send_shared_vars): Do not receive new
3202 values for the reference of DECL_BY_REFERENCE parms or results.
3204 2009-03-01 Jan Hubicka <jh@suse.cz>
3207 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3208 BLOCK_NONLOCALIZED_VAR): New macros.
3209 (tree_block): Add nonlocalized_vars.
3210 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3211 gen_decl_die): Add origin argument. Allow generation of die with
3212 origin at hand only.
3213 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3214 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3216 (gen_block_die): Fix checking for unused blocks.
3217 (process_scope_var): Break out from .... ; work with origins only.
3218 (decls_for_scope) ... here; process nonlocalized list.
3219 (dwarf2out_ignore_block): Look for nonlocalized vars.
3220 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3222 (dump_scope_block): Dump them.
3223 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3224 (remap_block): Likewise.
3225 (can_be_nonlocal): New predicate.
3226 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3228 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3230 * configure: Regenerate.
3232 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3234 * optc-gen.awk: No need to duplicate option flags twice.
3235 Reuse help texts for duplicate options which do not have any.
3237 * gcc.c (display_help): Document --version.
3239 * gcc.c (main): If print_help_list and verbose_flag, ensure
3240 driver output comes before subprocess output.
3242 * optc-gen.awk: Assign all remaining fields to help string,
3243 space-separated, for multi-line help in *.opt.
3245 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3246 -Wno-pedantic-ms-format is for MinGW targets only.
3248 * doc/options.texi (Option file format): Fix bad indentation,
3249 restoring dropped sentence.
3251 2009-02-28 Jan Hubicka <jh@suse.cz>
3253 * tree-inline.c (tree_function_versioning): Output debug info.
3255 2009-02-28 Jan Hubicka <jh@suse.cz>
3258 * tree-inline.c (setup_one_parameter): Do not copy propagate
3259 arguments when not optimizing.
3261 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3264 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3265 (avx_addsubv4df3): Likewise.
3266 (*avx_addsubv4sf3): Likewise.
3267 (sse3_addsubv4sf3): Likewise.
3268 (*avx_addsubv2df3): Likewise.
3269 (sse3_addsubv2df3): Likewise.
3270 (avx_unpckhps256): Correct item selectors.
3271 (avx_unpcklps256): Likewise.
3272 (avx_unpckhpd256): Likewise.
3273 (avx_unpcklpd256): Likewise.
3275 2009-02-28 Jan Hubicka <jh@suse.cz>
3277 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3279 (copy_arguments_for_versioning): If var is declared don't declare it.
3280 (tree_function_versioning): First setup substitutions and then copy
3283 2009-02-27 Jan Hubicka <jh@suse.cz>
3286 * cgraph.h (varpool_output_debug_info): Remove.
3287 * cgraphunit.c (varpool_output_debug_info): Remove.
3288 * dwarf2out.c (deferred_locations_struct): New struct
3289 (deferred_locations): New type.
3290 (deferred_locations_list): New static var.
3291 (deffer_location): New function.
3292 (gen_variable_die): Use it.
3293 (decls_for_scope): Output info on local static vars.
3294 (dwarf2out_finish): Process deferred locations.
3295 * varpool.c (varpool_output_debug_info): Remove.
3297 2009-02-27 Jan Hubicka <jh@suse.cz>
3300 * tree.h (TREE_PROTECTED): Fix comment.
3301 (BLOCK_HANDLER_BLOCK): Remove.
3302 (struct tree_block): Remove handler_block add body_block.
3303 (inlined_function_outer_scope_p): New.
3304 (is_body_block): Remove.
3305 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3306 * dwarf2out.c (is_inlined_entry_point): Remove.
3307 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3308 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3310 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3311 * gimplify.c (gimplify_expr): Gimplify body blocks.
3312 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3313 block with multiple subblocks.
3314 (dump_scope_block): Prettier output; dump more flags and info.
3315 (dump_scope_blocks): New.
3316 (remove_unused_locals): Use dump_scope_blocks.
3317 * tree-flow.h (dump_scope_blocks): Declare.
3318 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3319 * stmt.c (is_body_block): Remove.
3320 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3321 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3323 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3326 * graphite.c (graphite_loop_normal_form): Do not call
3327 number_of_iterations_exit from a gcc_assert.
3329 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3331 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3332 jumps if COND is NULL.
3333 (find_cond_jump): New function.
3334 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3335 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3337 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3339 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3340 force_const_mem returns NULL_RTX.
3342 2009-02-26 Jan Hubicka <jh@suse.cz>
3345 * cgraph.h (varpool_output_debug_info): Remove.
3346 * cgraphunit.c (varpool_output_debug_info): Remove.
3347 * dwarf2out.c (deferred_locations_struct): New struct
3348 (deferred_locations): New type.
3349 (deferred_locations_list): New static var.
3350 (deffer_location): New function.
3351 (gen_variable_die): Use it.
3352 (decls_for_scope): Output info on local static vars.
3353 (dwarf2out_finish): Process deferred locations.
3354 * varpool.c (varpool_output_debug_info): Remove.
3356 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3358 PR rtl-optimization/39241
3359 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3360 to subreg_offset_representable_p.
3362 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3364 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3365 execute function prototype. Get f and nregs from max_reg_num
3366 and get_insns. Remove the first backward pass as it's dead,
3367 guard the forward pass by flag_expensive_optimizations.
3368 (rest_of_handle_regmove): Delete.
3369 (pass_regmove): Replace it with regmove_optimize.
3371 2009-02-25 Martin Jambor <mjambor@suse.cz>
3373 PR tree-optimization/39259
3374 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3375 calls_alloca function flags.
3376 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3379 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3381 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3382 flags_set_1_rtx, flags_set_1_set): Delete.
3383 (regmove_optimize): Do not call mark_flags_life_zones.
3385 2009-02-24 Julian Brown <julian@codesourcery.com>
3388 * config/arm/arm.c (require_pic_register): Only set
3389 cfun->machine->pic_reg once per function.
3391 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3393 * doc/invoke.texi (Link Options): Document an easier way to pass
3394 options that take arguments to the GNU linker using -Xlinker and -Wl.
3396 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3399 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3401 2009-02-24 Richard Guenther <rguenther@suse.de>
3404 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3406 2009-02-24 Richard Guenther <rguenther@suse.de>
3407 Zdenek Dvorak <ook@ucw.cz>
3409 PR tree-optimization/39233
3410 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3411 from converting them to a generic type.
3413 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3415 PR tree-optimization/39260
3416 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3417 contains a condition with a real type.
3418 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3420 2009-02-23 Jason Merrill <jason@redhat.com>
3423 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3424 narrowing_initializer_constant_valid_p.
3425 (narrowing_initializer_constant_valid_p): Don't return
3426 null_pointer_node for adding a pointer to itself.
3428 2009-02-23 Jan Hubicka <jh@suse.cz>
3431 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3434 2009-02-23 Jan Hubicka <jh@suse.cz>
3436 PR tree-optimization/37709
3437 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3438 * tree.h (block_ultimate_origin): Declare.
3439 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3440 * tree-ssa-live.c (remove_unused_scope_block_p):
3441 Eliminate blocks containig no instructions nor live variables nor
3443 (dump_scope_block): New function.
3444 (remove_unused_locals): Enable removal of dead blocks by default;
3445 enable dumping at TDF_DETAILS.
3447 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3449 * config/i386/i386.c (classify_argument): Don't allow COImode
3451 (function_arg_advance_32): Don't allow OImode.
3452 (function_arg_32): Likewise.
3453 (function_value_32): Likewise.
3454 (return_in_memory_32): Likewise.
3455 (function_arg_64): Remove OImode comment.
3457 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3460 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3461 ix86_expand_vector_set for V4DImode in 64bit mode only.
3462 (ix86_expand_vector_init_one_var): Likewise.
3464 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3466 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3468 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3471 * loop-iv.c: Revert last change.
3472 * emit-rtl.c: Likewise.
3474 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3477 * config/i386/i386.c (type_natural_mode): Remove an extra
3478 space in the warning message.
3479 (function_value_32): Handle 32-byte vector modes.
3480 (return_in_memory_32): Likewise.
3482 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3484 * loop-iv.c (truncate_value): New function.
3485 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3487 (lowpart_subreg): Move to...
3488 * emit-rtl.c: ...here.
3490 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3492 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3493 accidental and undocumented change at revision 140860.
3495 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3497 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3498 take gimple_seq * arguments.
3499 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3500 types_compatible_p langhook.
3502 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3503 Joseph Myers <joseph@codesourcery.com>
3505 * config/arm/arm.c (arm_builtin_va_list): New function.
3506 (arm_expand_builtin_va_start): Likewise.
3507 (arm_gimplify_va_arg_expr): Likewise.
3508 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3509 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3510 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3511 (va_list_type): New variable.
3512 (arm_mangle_type): Mangle va_list_type appropriately.
3514 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3517 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3518 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3519 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3520 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3521 parameter to 1000 for -O1 by default.
3522 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3524 * loop-invariant.c: Include params.h.
3525 (move_loop_invariants): Don't call move_single_loop_invariants on
3528 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3530 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3531 offset when calculating bounds for indexing stack_usage_map. Fixes
3532 a buffer overflow with certain target setups.
3534 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3537 * calls.c (expand_call): Clear try_tail_call if caller and callee
3538 disagree in promotion of function return value.
3540 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3543 * c-common.c (c_determine_visibility): If visibility changed and
3544 DECL_RTL has been already set, call make_decl_rtl to update symbol
3547 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3550 * varasm.c (assemble_variable): Don't check DECL_NAME when
3551 globalizing a variable.
3553 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3556 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3557 expression before any __builtin_trap call.
3558 * c-typeck.c (build_function_call): Convert and check function
3559 arguments before generating a call to a trap. Evaluate the
3560 function arguments before the trap.
3562 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3565 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3566 (UNSPEC_FXAM_MEM): New unspec.
3567 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3568 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3569 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3571 2009-02-19 Richard Guenther <rguenther@suse.de>
3573 PR tree-optimization/39207
3574 PR tree-optimization/39074
3575 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3576 storedanything_tree): New.
3577 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3578 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3579 (build_succ_graph): Add edges from STOREDANYTHING to all
3581 (init_base_vars): Initialize STOREDANYTHING.
3582 (compute_points_to_sets): Free substitution info after
3583 building the succ graph.
3584 (ipa_pta_execute): Likewise.
3586 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3588 (do_ds_constraint): Do not add to special var or non-pointer
3590 (type_could_have_pointers): Split out from ...
3591 (could_have_pointers): ... here. For arrays use the element type.
3592 (create_variable_info_for): Initialize may_have_pointers.
3593 (new_var_info): Likewise.
3594 (handle_lhs_call): Make the HEAP variable unknown-sized.
3595 (intra_create_variable_infos): Use a type with pointers for
3596 PARM_NOALIAS, make it unknown-sized.
3598 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3601 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3603 2009-02-18 Jason Merrill <jason@redhat.com>
3606 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3607 value if DECL_EXTERNAL.
3608 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3609 * target.h (gcc_target::binds_local_p): Clarify "module".
3610 * tree.h (TREE_PUBLIC): Clarify "module".
3612 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3615 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3616 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3618 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3621 * c.opt (Wabi): Support C and ObjC.
3624 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3626 * config/i386/i386.c (classify_argument): Warn once about the ABI
3627 change when passing union with long double.
3629 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3631 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3634 * c-parser.c (c_parser_compound_statement): Always enter and leave
3637 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3640 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3642 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3644 PR tree-optimization/36922
3645 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3646 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3649 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3651 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3654 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3656 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3658 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3660 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3663 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
3664 Richard Sandiford <rdsandiford@googlemail.com>
3666 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3667 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3668 (loongson_biadd): ...this.
3670 2009-02-17 Richard Guenther <rguenther@suse.de>
3672 PR tree-optimization/39202
3673 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3674 a var make sure to follow existing collapses.
3676 2009-02-17 Richard Guenther <rguenther@suse.de>
3679 * langhooks.c (lhd_print_error_function): Check for NULL block.
3681 2009-02-17 Richard Guenther <rguenther@suse.de>
3683 PR tree-optimization/39204
3684 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3687 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
3689 * config/soft-fp/double.h: Update from glibc CVS.
3691 2009-02-17 Richard Guenther <rguenther@suse.de>
3693 PR tree-optimization/39207
3694 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
3695 strict-aliasing warnings for pointers pointing to NULL.
3697 2009-02-16 Joseph Myers <joseph@codesourcery.com>
3700 * c-parser.c (c_parser_braced_init): Call pop_init_level when
3701 skipping until next close brace.
3703 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
3706 * config/i386/i386.c (ix86_expand_push): Set memory alignment
3707 to function argument boundary.
3709 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3711 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
3712 in the lea_add. Reload eventually constraints it properly.
3713 * config/picochip/constraints.md : Remove the target constraint
3714 "b", since it is not needed anymore.
3716 2009-02-16 Jakub Jelinek <jakub@redhat.com>
3718 * gthr-dce.h: Uglify function parameter and local variable names.
3719 * gthr-gnat.h: Likewise.
3720 * gthr-mipssde.h: Likewise.
3721 * gthr-nks.h: Likewise.
3722 * gthr-posix95.h: Likewise.
3723 * gthr-posix.h: Likewise.
3724 * gthr-rtems.h: Likewise.
3725 * gthr-single.h: Likewise.
3726 * gthr-solaris.h: Likewise.
3727 * gthr-tpf.h: Likewise.
3728 * gthr-vxworks.h: Likewise.
3729 * gthr-win32.h: Likewise.
3731 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
3734 * config/i386/i386.md: Restrict the new peephole2 to move
3735 between MMX/SSE registers.
3737 2009-02-15 Richard Guenther <rguenther@suse.de>
3740 2009-02-13 Richard Guenther <rguenther@suse.de>
3742 * configure.ac: Enable LFS.
3743 * configure: Re-generate.
3744 * config.in: Likewise.
3746 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3748 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
3749 spu_srqwbyte, spu_srqwbytebc): Define.
3750 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
3751 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
3752 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
3753 "shrqby_<mode>"): New insn-and-split patterns.
3754 * config/spu/spu.c (expand_builtin_args): Determine and return
3755 number of operands using spu_builtin_description data.
3756 (spu_expand_builtin_1): Use it.
3758 2009-02-13 Steve Ellcey <sje@cup.hp.com>
3761 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3764 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3767 * config/i386/i386.c (override_options): Correct warning
3768 messages for -malign-loops, -malign-jumps and -malign-functions.
3770 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3773 * config/i386/i386.md: Restrict the new peephole2 to move
3774 between the general purpose registers.
3776 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3779 * config/i386/i386.c (type_natural_mode): Add a new argument.
3780 Return the original mode and warn ABI change if vector size is 32byte.
3781 (function_arg_advance): Updated.
3782 (function_arg): Likewise.
3783 (ix86_function_value): Likewise.
3784 (ix86_return_in_memory): Likewise.
3785 (ix86_sol10_return_in_memory): Likewise.
3786 (ix86_gimplify_va_arg): Likewise.
3787 (function_arg_32): Don't warn ABX ABI change here.
3788 (function_arg_64): Likewise.
3790 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
3792 * loop-iv.c (implies_p): In the final case, test that operands 0
3793 of the two comparisons match.
3795 * config/bfin/bfin.c (find_prev_insn_start): New function.
3796 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3797 (find_next_insn_start): Move.
3799 2009-02-13 Richard Guenther <rguenther@suse.de>
3801 * configure.ac: Enable LFS.
3802 * configure: Re-generate.
3803 * config.in: Likewise.
3805 2009-02-13 Joseph Myers <joseph@codesourcery.com>
3808 * c-parser.c (c_parser_parms_list_declarator): Discard pending
3809 sizes on syntax error after some arguments have been parsed.
3811 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3813 * doc/invoke.texi (-fira): Remove.
3815 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3817 * caller-save.c: Replace regclass.c with reginfo.c in comments.
3818 * recog.c: Likewise.
3821 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
3823 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3824 (umul_ppmm): Likewise.
3825 (count_leading_zeros): Likewise.
3826 (count_trailing_zeros): Likewise.
3827 (UMUL_TIME): Likewise.
3829 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3831 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3832 soft-fp/t-softfp to tmake_file.
3834 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3835 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3836 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3837 IA64_BUILTIN_INFQ]: New.
3838 (ia64_init_builtins): Initialize __builtin_infq,
3839 __builtin_fabsq and __builtin_copysignq if not HPUX.
3840 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3841 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3843 * config/ia64/lib1funcs.asm (__divtf3): Define only if
3845 (__fixtfti): Likewise.
3846 (__fixunstfti): Likewise.
3847 (__floattitf): Likewise.
3849 * config/ia64/libgcc-glibc.ver: New.
3850 * config/ia64/t-fprules-softfp: Likewise.
3851 * config/ia64/sfp-machine.h: Likewise.
3853 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3854 (LIBGCC2_TF_CEXT): Likewise.
3855 (TF_SIZE): Likewise.
3856 (TARGET_INIT_LIBFUNCS): Likewise.
3858 * config/ia64/t-glibc (SHLINB_MAPFILES):
3859 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3861 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3863 * config/i386/i386.c (construct_container): Rewrite processing
3864 BLKmode with X86_64_SSE_CLASS.
3866 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
3869 * config/i386/i386.md: Replace simplify_replace_rtx with
3870 replace_rtx in the new peephole2.
3872 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
3874 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3875 loop unrolling do not happen at -O2.
3877 2009-02-12 Michael Matz <matz@suse.de>
3879 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3881 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3883 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3886 2009-02-12 Ben Elliston <bje@au.ibm.com>
3888 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3889 patterns when updating the back chain. Missed in the 2009-02-10
3892 2009-02-11 Janis Johnson <janis187@us.ibm.com>
3894 * doc/extend.texi (Decimal Floating Types): Update identifier of
3895 draft TR and list of missing support.
3897 2009-02-11 Jakub Jelinek <jakub@redhat.com>
3900 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3901 bit to variable length decl's flags, add it also to its
3902 pointer replacement variable.
3904 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
3905 Jakub Jelinek <jakub@redhat.com>
3908 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3909 (memory_blockage): New expander.
3910 (*memory_blockage): New insn pattern.
3911 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3912 instead of general blockage at the end of function prologue when
3913 frame pointer is used to access red zone area. Do not emit blockage
3914 when profiling, it is emitted in generic code.
3915 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3916 function epilogue when frame pointer is used to access red zone area.
3918 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
3921 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3922 by arithmetic with memory operands.
3923 * config/i386/predicates.md (commutative_operator): New.
3925 2009-02-10 Janis Johnson <janis187@us.ibm.com>
3927 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3930 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
3932 * alias.h (record_alias_subset): Declare.
3933 * alias.c (record_alias_subset): Make global.
3935 2009-02-10 Nick Clifton <nickc@redhat.com>
3937 * tree-parloops.c: Change license to GPLv3.
3938 * ipa-struct-reorg.c: Change license to GPLv3.
3939 * ipa-struct-reorg.h: Change license to GPLv3.
3941 2009-02-10 Steve Ellcey <sje@cup.hp.com>
3944 * c-decl.c (start_struct): Return NULL on error.
3946 2009-02-10 Jakub Jelinek <jakub@redhat.com>
3949 * cfgloopmanip.c (remove_path): Call remove_bbs after
3950 cancel_loop_tree, not before it.
3953 * function.h (struct function): Add has_local_explicit_reg_vars bit.
3954 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3955 VAR_DECLs were seen.
3956 * tree-ssa-live.c (remove_unused_locals): Recompute
3957 cfun->has_local_explicit_reg_vars.
3958 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3959 copies or clearings if cfun->has_local_explicit_reg_vars.
3961 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
3964 * config/i386/i386.c (expand_prologue): Emit blockage at the end
3965 of function prologue when frame pointer is used to access
3968 2009-02-10 Richard Guenther <rguenther@suse.de>
3971 * gimplify.c (gimple_regimplify_operands): Always look if
3972 we need to create a temporary.
3974 2009-02-10 Richard Guenther <rguenther@suse.de>
3976 PR tree-optimization/39132
3977 * tree-loop-distribution.c (todo): New global var.
3978 (generate_memset_zero): Trigger TODO_rebuild_alias.
3979 (tree_loop_distribution): Return todo.
3981 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
3984 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
3985 (x86_64_reg_class_name): Removed.
3986 (classify_argument): Return 0 if bytes > 32. Return 0 if the
3987 first one isn't X86_64_SSE_CLASS or any other ones aren't
3988 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
3989 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
3990 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
3991 and 3 X86_64_SSEUP_CLASS.
3992 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
3993 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
3995 2009-02-10 Ben Elliston <bje@au.ibm.com>
3997 * config/rs6000/rs6000.md (allocate_stack): Always use an update
3998 form instruction to update the stack back chain word, even if the
3999 user has disabled the generation of update instructions.
4000 (movdi_<mode>_update_stack): New.
4001 (movsi_update_stack): Likewise.
4002 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4003 always use an update form instruction to update the stack back
4006 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4009 * graphite.c (if_region_set_false_region): After moving a region in
4010 the false branch of a condition, remove the empty dummy basic block.
4011 (gloog): Remove wrong fix for PR38953.
4013 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4015 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4016 generation due to implicit sign extension.
4018 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4021 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4022 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4024 2009-02-09 Richard Guenther <rguenther@suse.de>
4027 * convert.c (convert_to_real): Disable (float)fn((double)x)
4028 to fnf(x) conversion if errno differences may occur and
4029 -fmath-errno is set.
4031 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4033 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4034 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4035 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4037 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4040 * c-common.c (handle_alias_attribute): Disallow attribute for
4041 anything not a FUNCTION_DECL or VAR_DECL.
4043 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4046 * real.c (do_compare): Special-case compare of zero against
4047 decimal float value.
4049 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4052 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4053 as indicating flexible array members unless the field itself is
4054 being declarared as the incomplete array.
4056 2009-02-06 Jan Hubicka <jh@suse.cz>
4058 PR tree-optimization/38844
4059 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4062 2009-02-06 Richard Guenther <rguenther@suse.de>
4065 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4066 fork because we may expand it as __gcov_fork.
4068 2009-02-06 Nick Clifton <nickc@redhat.com>
4070 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4072 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4074 PR tree-optimization/35659
4075 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4076 vn_phi_eq): Shortcut if hashcode does not match.
4077 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4079 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4080 and avoid iterative_hash_expr.
4081 (FOR_EACH_VALUE_ID_IN_SET): New.
4082 (value_id_compare): Remove.
4083 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4084 sort expressions by value id.
4086 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4089 * config/sh/predicates.md (general_movsrc_operand): Don't check
4090 the subreg of system registers here.
4092 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4095 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4098 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4100 PR rtl-optimization/39110
4101 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4102 addresses, not aligned ones.
4104 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4105 Richard Guenther <rguenther@suse.de>
4107 PR tree-optimization/39100
4108 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4109 comment says and add edges.
4111 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4114 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4115 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4117 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4119 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4120 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4121 register_bb_in_sese, new_sese, free_sese): Moved.
4122 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4123 outermost_loop_in_scop, build_scop_iteration_domain,
4124 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4125 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4126 Use loop_in_sese_p instead of loop_in_scop_p.
4127 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4128 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4129 (scopdet_basic_block_info): Fix bug in scop detection.
4130 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4131 eq_loop_to_cloog_loop): Remove.
4132 (nb_loops_around_loop_in_scop, nb_loop
4133 ref_nb_loops): Moved here...
4134 * graphite.h (ref_nb_loops): ... from here.
4135 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4136 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4137 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4138 * testsuite/gcc.dg/graphite/scop-19.c: New
4140 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4141 Hans-Peter Nilsson <hp@axis.com>
4143 PR rtl-optimization/37889
4144 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4145 Move offset handling from PLUS to before the switch. Use new
4146 arguments when considering SYMBOL_REFs too.
4147 (rtx_addr_can_trap_p): Pass dummy offset and size.
4148 (enum may_trap_p_flags): Remove.
4149 (may_trap_p_1): Pass size from MEM_SIZE.
4151 PR rtl-optimization/38921
4152 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4153 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4154 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4155 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4157 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4159 AVX Programming Reference (January, 2009)
4160 * config/i386/sse.md (*vpclmulqdq): New.
4162 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4164 PR tree-optimization/38977
4165 PR gcov-profile/38292
4166 * calls.c (special_function_p): Disregard __builtin_ prefix.
4168 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4170 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4171 non-indexable addresses even before reload.
4173 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4176 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4177 as having variable size. Do not give an error for unnamed
4178 parameters with [*] declarators. Give a warning for type names
4179 with [*] declarators and mark them as variable size.
4180 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4181 for sizeof applied to [*] type names.
4183 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4186 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4188 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4190 * gcc.c (process_command): Update copyright notice dates.
4191 * gcov.c (print_version): Likewise.
4192 * gcov-dump.c (print_version): Likewise.
4193 * mips-tfile.c (main): Likewise.
4194 * mips-tdump.c (main): Likewise.
4196 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4199 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4200 for composite type involving a zero-length array type.
4202 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4205 * function.c (match_asm_constraints_1): Skip over
4206 initial optional % in the constraint.
4209 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4210 supported, don't accept FIXED_CSTs.
4211 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4212 and _Sat is used without _Fract/_Accum. Set specs->type to
4213 integer_type_node for cts_fract/cts_accum if fixed point is not
4216 2009-02-02 Catherine Moore <clm@codesourcery.com>
4218 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4220 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4222 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4223 (ABI_HAS_64BIT_SYMBOLS): Use it.
4224 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4226 2009-02-02 Paul Brook <paul@codesourcery.com>
4228 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4230 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4233 * recog.h (asm_operand_ok): Add constraints argument.
4234 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4235 recurse on matching constraint.
4236 (check_asm_operands): Pass constraints as 3rd argument to
4237 asm_operand_ok. Don't look up matching constraint here.
4238 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4241 2009-02-02 Ben Elliston <bje@au.ibm.com>
4243 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4244 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4246 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4248 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4249 information. Remove some obsolete information. Reorganize.
4251 * config/pa/fptr.c: Revert license to GPL 2.
4252 * config/pa/milli64.S: Likewise.
4254 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4257 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4258 LIBRARY name in, instead of hard-coding it.
4259 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4260 extra target make frag to tmake_files according to EH model.
4261 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4262 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4263 frags that define makefile variable EH_MODEL appropriately.
4264 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4265 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4266 to "-sjlj" according to type of EH configured.
4267 (LIBGCC_SONAME): Concatenate it to shared library base name.
4268 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4269 to "_sjlj" according to type of EH configured.
4270 (LIBGCC_SONAME): Concatenate it to shared library base name.
4271 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4272 (SHLIB_LINK): Add missing semicolon to if-else construct.
4273 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4274 string value of "pe_dll" command-line option.
4275 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4276 (SHLIB_SONAME): Use it when overriding t-cygming default.
4277 (SHLIB_IMPLIB): Override t-cygming default.
4278 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4279 string value of "pe_dll" command-line option.
4281 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4284 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4285 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4287 2009-01-31 Richard Guenther <rguenther@suse.de>
4289 PR tree-optimization/38937
4290 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4291 computing the transitive closure.
4293 2009-01-30 Richard Guenther <rguenther@suse.de>
4295 PR tree-optimization/39041
4296 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4297 Propagate variable indices only if the types match for this stmt.
4299 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4302 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4303 inline but never defined.
4305 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4307 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4308 (*insv_h_di_reg_extimm): New insn.
4309 (*insv_l<mode>_reg_extimm): New insn.
4311 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4313 * config/picochip/picochip.c (flag_conserve_stack): set
4314 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4315 fconserve-stack. Reduce call-overhead used by inliner.
4317 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4320 * common.opt (flag_conserve_stack): Initialised to zero.
4322 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4325 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4326 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4329 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4331 * ira-color.c (allocno_reload_assign): Update comments.
4332 * regmove.c (regmove_optimize): Likewise.
4336 2009-01-29 Robert Millan <rmh@aybabtu.com>
4338 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4339 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4340 `MD_UNWIND_SUPPORT'.
4341 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4343 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4345 PR tree-optimization/39007
4346 * tree-loop-distribution.c (generate_builtin): Use
4347 recompute_dominator to compute the immediate dominator of the
4348 basic block just after the loop.
4350 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4352 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4353 (ASM_OUTPUT_DWARF_PCREL): Define.
4355 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4357 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4358 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4359 global. Modify entries about regmove and IRA.
4361 * ra-conflict.c: Remove the file.
4363 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4365 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4366 (pass_regclass_init): Rename to pass_reginfo_init.
4368 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4370 * toplev.h (flag_ira): Remove.
4372 * caller-save.c (setup_save_areas): Remove flag_ira.
4374 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4376 * global.c: Remove the file.
4378 * opts.c (decode_options): Remove flag_ira.
4380 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4382 * regmove.c: Modify file description.
4383 (find_use_as_address, try_auto_increment): Define them only if
4384 AUTO_INC_DEC is defined.
4385 (replacement_quality, replace_in_call_usage, fixup_match_1,
4386 stable_and_no_regs_but_for_p): Remove.
4387 (reg_set_in_bb): Make it static.
4388 (regmove_optimize): Remove flag_ira and code which worked for
4391 * local-alloc.c: Remove the file.
4393 * common.opt (fira): Remove.
4395 * ira.c: Include except.h.
4396 (eliminable_regset): Move from global.c.
4397 (mark_elimination): Ditto. Remove flag_ira.
4398 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4399 equiv_mem_modified, validate_equiv_mem_from_store,
4400 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4401 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4402 no_equiv, recorded_label_ref): Move from local-alloc.c.
4403 (update_equiv_regs): Ditto. Make it static.
4404 (print_insn_chain, print_insn_chains): Move it from global.c.
4405 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4406 (build_insn_chain): Ditto. Make it static.
4407 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4408 Rename to init_live_subregs.
4409 (gate_ira): Remove flag_ira.
4411 * regclass.c: Rename reginfo.c. Change file description.
4412 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4413 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4414 (init_reg_sets_1): Remove code for evaluation of
4415 reg_class_superclasses and losing_caller_save_reg_set.
4416 (init_regs): Remove init_reg_autoinc.
4417 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4418 ok_for_base_p_nonstrict): Remove.
4419 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4420 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4421 corresponding entries.
4422 (dump_regclass, record_operand_costs, scan_one_insn,
4423 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4424 record_address_regs, auto_inc_dec_reg_p): Remove.
4425 (gt-regclass.h): Rename to gt-reginfo.h.
4427 * rtl.h (dump_global_regs, retry_global_alloc,
4428 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4430 * Makefile.in (RA_H): Remove.
4431 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4432 Rename regclass.o to reginfo.o.
4433 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4435 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4436 (GTFILES): Rename regclass.c to reginfo.c.
4438 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4439 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4441 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4442 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4444 (finish_spills): Ditto. Remove code for !flag_ira.
4446 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4449 * doc/invoke.texi (rtl debug options): Complete rewrite.
4450 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4452 * mode-switching.c (pass_mode_switching): Rename pass from
4453 "mode-sw" to "mode_sw".
4454 * except.c (pass_convert_to_eh_ranges): Rename pass from
4455 "eh-ranges" to "eh_ranges".
4456 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4460 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4461 Alexander Monakov <amonakov@ispras.ru>
4464 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4466 (move_exprs_to_boundary): Change return type and pass through
4467 should_move from move_op. Relax assert. Update usage ...
4468 (schedule_expr_on_boundary): ... here. Use should_move instead of
4470 (move_op_orig_expr_found): Indicate that insn was disconnected from
4472 (code_motion_process_successors): Do not call after_merge_succs
4473 callback if original expression was not found when traversing any of
4475 (code_motion_path_driver): Change return type. Update prototype.
4476 (move_op): Update comment. Add a new parameter (should_move). Update
4477 prototype. Set *should_move based on indication provided by
4478 move_op_orig_expr_found.
4480 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4482 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4483 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4484 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4485 * config/rs6000/rs6000.c (rs6000_override_options): Default
4486 avoid-indexed-addresses on for Power6, off for everything else.
4487 (avoiding_indexed_address_p): New function.
4488 (rs6000_legitimize_address): Use it.
4489 (rs6000_legitimate_address): Likewise.
4490 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4492 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4494 PR tree-optimization/38997
4495 * tree-loop-distribution.c (generate_memset_zero): Use
4496 POINTER_PLUS_EXPR for a pointer addition.
4498 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4500 * config/s390/s390.md (bswap<mode>2): New pattern added.
4502 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4504 * config/s390/s390.md (*tls_load_31): Added type attribute.
4506 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4508 * config/s390/s390.md: Fix a few comments.
4510 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4512 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4513 (*tm<mode>_full): Fixed z10prop attribute.
4514 (*tst<mode>_extimm): Fixed z10prop attribute.
4515 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4516 (*tstqiCCT_cconly): Fixed z10prop attribute.
4517 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4518 (*movsi_larl): Fixed z10prop attribute.
4519 (*movsi_zarch): Fixed z10prop attribute.
4520 (*movsi_eas): Fixed z10prop attribute.
4521 (*movhi): Fixed z10prop attribute.
4522 (*movqi): Fixed z10prop attribute.
4523 (*movstrictqi): Fixed z10prop attribute.
4524 (*mov<mode>): Fixed z10prop attribute.
4525 (*movcc): Fixed z10prop attribute.
4526 (*sethighpartdi_64): Fixed z10prop attribute.
4527 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4528 (*negdi2_sign_cc): Fixed z10prop attribute.
4529 (*negdi2_sign): Fixed z10prop attribute.
4530 (*absdi2_sign_cc): Fixed z10prop attribute.
4531 (*absdi2_sign): Fixed z10prop attribute.
4532 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4533 (*negabsdi2_sign): Fixed z10prop attribute.
4534 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4535 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4536 (doloop_si64): Fixed z10prop attribute.
4537 (doloop_si31): Fixed z10prop attribute.
4538 (doloop_long): Fixed z10prop attribute.
4539 (indirect_jump): Fixed z10prop attribute.
4540 (nop): Fixed z10prop attribute.
4541 (main_base_64): Fixed z10prop attribute.
4542 (reload_base_64): Fixed z10prop attribute.
4544 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4546 PR rtl-optimization/38740
4547 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4549 * config/mips/mips.c (mips_reorg): Likewise.
4551 2009-01-28 Richard Guenther <rguenther@suse.de>
4553 PR tree-optimization/38926
4554 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4555 with the correct value id to a value.
4556 (do_regular_insertion): Use the value number of edoubleprime
4557 for the value number of the expr.
4560 2008-08-21 Richard Guenther <rguenther@suse.de>
4562 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4563 a PHI ask VN if it is already available.
4564 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4565 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4567 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4570 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4571 set to varying whenever max has TREE_OVERFLOW set, similarly
4572 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4574 2009-01-28 Richard Guenther <rguenther@suse.de>
4577 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4578 uninitialized aggregate uses in call arguments.
4580 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4582 PR tree-optimization/38984
4583 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4584 the nothing_id variable if -fno-delete-null-pointer-checks.
4586 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4589 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4590 (set_got_offset_rex64): Ditto.
4592 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4595 * doc/extend.texi: Improve local variable with asm reg.
4597 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4599 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4600 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4601 was not supplied then set warn_packed_bitfield_compat to the
4603 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4606 2009-01-27 Richard Guenther <rguenther@suse.de>
4608 PR tree-optimization/38503
4609 * cfgexpand.c (expand_gimple_basic_block): Ignore
4610 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4611 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4612 variables that cannot have TBAA applied.
4613 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4616 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4619 * calls.c (initialize_argument_information): Do not wrap complex
4620 arguments in SAVE_EXPR.
4622 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4624 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4625 (INSTALL_LIBGCC): Revert typo commit.
4627 2009-01-26 Richard Guenther <rguenther@suse.de>
4629 PR tree-optimization/38745
4630 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4631 from special handling.
4633 2009-01-26 Richard Guenther <rguenther@suse.de>
4635 PR tree-optimization/38745
4636 * tree-ssa.c (execute_update_addresses_taken): Do not include
4637 variables that cannot possibly be a register in not_reg_needs.
4638 Do not clear TREE_ADDRESSABLE on vars that may not become
4640 * tree-ssa.c (update_alias_info_1): Include those in the set
4641 of addressable vars.
4643 2009-01-26 Richard Guenther <rguenther@suse.de>
4646 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4647 * tree-ssa-dse.c: Include langhooks.h
4648 (execute_simple_dse): Remove stores with zero size.
4650 2009-01-24 Jakub Jelinek <jakub@redhat.com>
4653 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
4656 2009-01-24 Julian Brown <julian@codesourcery.com>
4658 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
4659 config/arm/linux-atomic.c.
4660 * config/arm/linux-atomic.c: New.
4662 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
4664 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
4665 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
4666 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
4668 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
4671 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
4674 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
4676 PR tree-optimization/38953
4677 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4678 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
4679 (gloog): Split the exit of the scop when the scop exit is a loop exit.
4680 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4683 2009-01-24 Paul Brook <paul@codesourcery.com>
4685 * config/arm/neon.md (neon_type): Move to arm.md.
4686 (neon_mov<VSTRUCT>): Add neon_type attribute.
4687 * config/arm/arm.md (neon_type): Move to here.
4688 (conds): Add "unconditioal" and use as default for NEON insns.
4690 2009-01-24 Ben Elliston <bje@au.ibm.com>
4692 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
4693 void *' warning from -Wc++-compat.
4694 * Makefile.in (dominance.o-warn): Remove.
4696 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
4698 PR tree-optimization/38932
4699 * fold-const.c (fold_unary_ignore_overflow): New.
4700 * tree.h (fold_unary_ignore_overflow): Declare.
4701 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
4702 * tree-ssa-sccvn.c (visit_reference_op_load,
4703 simplify_unary_expression): Likewise.
4705 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
4707 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
4708 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
4709 regardless of their type.
4710 * c-common.c (handle_packed_attribute): Don't ignore packed on
4712 * c.opt (Wpacked-bitfield-compat): New warning option.
4713 * stor-layout.c (place_field): Warn if offset of a field changed.
4714 * doc/extend.texi (packed): Mention the ABI change.
4715 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
4716 (Warning Options): Add it to the list.
4718 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
4720 * c-opts.c (c_common_post_options): Fix a typo in comments.
4722 2009-01-22 Steve Ellcey <sje@cup.hp.com>
4725 * gimplify.c (gimplify_init_constructor): Fix promotion of const
4726 variables to static.
4727 * doc/invoke.texi (-fmerge-all-constants): Update description.
4729 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
4732 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
4733 (*movdi_1_rex64): Use type "mmx" for alternative 5.
4735 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
4737 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
4739 (LOCAL_ALIGNMENT): Similarly.
4741 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4742 Joseph Myers <joseph@codesourcery.com>
4744 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
4745 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
4746 * config/arm/arm-tune.md: Regenerate.
4747 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
4750 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4752 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
4753 version number to five.
4755 2009-01-22 Dodji Seketeli <dodji@redhat.com>
4758 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
4759 * c-common.c (set_underlying_type): Likewise.
4760 (is_typedef_decl ): Likewise
4762 (set_underlying_type): Likewise.
4763 (is_typedef_type): Likewise.
4765 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
4768 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
4771 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4774 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
4775 (LIBGCC_SPEC): Don't define.
4776 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
4778 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
4780 PR rtl-optimization/38879
4781 * alias.c (base_alias_check): Unaligned access via AND address can
4782 alias all surrounding object types except those with sizes equal
4783 or wider than the size of unaligned access.
4785 2009-01-21 Dodji Seketeli <dodji@redhat.com>
4788 * c-decl.c (clone_underlying_type): Move this ...
4789 * c-common.c (set_underlying_type): ... here.
4790 Also, make sure the function properly sets TYPE_STUB_DECL() on
4791 the newly created typedef variant type.
4792 (is_typedef_decl ): New entry point.
4793 * tree.h: Added a new member member_types_needing_access_check to
4794 struct tree_decl_non_common.
4795 (set_underlying_type): New entry point.
4796 (is_typedef_type): Likewise.
4798 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
4800 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4801 Check whether two instructions have memory references that
4802 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
4803 are helper functions for traversing.
4804 * alias.h (insn_alias_sets_confilict_p): New prototypes.
4805 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4806 not to draw dependency edge for instructions with non-conflicting
4809 2009-01-20 Joseph Myers <joseph@codesourcery.com>
4812 * longlong.h: Update copyright years. Use soft-fp license notice.
4813 Sync __clz_tab declaration with glibc.
4815 2009-01-20 Steve Ellcey <sje@cup.hp.com>
4818 * doc/extend.texi (syscall_linkage): New.
4819 (version_id): Modify.
4821 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4822 Richard Guenther <rguenther@suse.de>
4824 PR tree-optimization/38747
4825 PR tree-optimization/38748
4826 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4827 conversion if the base address is an indirect reference and the
4828 aliasing sets could cause issues.
4830 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4832 * common.opt (fgraphite, fgraphite-identity): Add comment for
4833 explaining why these options are not documented.
4835 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4837 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4838 gimple_call_lhs is NULL.
4840 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
4843 * emit-rtl.c (adjust_address_1): Make sure memref is never
4846 2009-01-20 Ben Elliston <bje@au.ibm.com>
4848 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4849 const qualifier from arg parameter. Remove unnecessary cast to char *.
4850 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4851 const qualifier from arg 2.
4853 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4855 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
4857 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
4860 * rtl.h (reinit_regs): New prototype.
4861 * regclass.c: Include ira.h.
4863 * Makefile.in (regclass.o): Add ira.h.
4864 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
4866 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
4869 * c-common.c (handle_aligned_attribute): Use
4870 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
4871 default alignment value.
4873 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
4875 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
4876 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
4878 * doc/extend.texi: Update __attribute__ ((aligned)). Document
4879 __BIGGEST_ALIGNMENT__.
4881 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
4883 2009-01-18 Richard Guenther <rguenther@suse.de>
4885 PR tree-optimization/38819
4886 * tree-flow.h (operation_could_trap_helper_p): Declare.
4887 * tree-eh.c (operation_could_trap_helper_p): Export.
4888 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
4889 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
4890 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
4891 are about to insert a possibly trapping instruction and fail
4894 2009-01-18 Andreas Schwab <schwab@suse.de>
4896 * doc/install.texi (Configuration): Remove obsolete paragraph
4897 about use of --with-gnu-ld with --with-gnu-as.
4899 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
4901 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
4902 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
4903 Follow spelling conventions.
4905 2009-01-18 Ben Elliston <bje@au.ibm.com>
4907 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
4908 C++ warning about implicit conversion from void * to struct
4910 (bitmap_obstack_free): Likewise for bitmap_element *.
4911 * Makefile.in (bitmap.o-warn): Remove.
4913 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
4915 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
4917 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
4918 Tobias Grosser <tobi.grosser@amd.com>
4920 * graphite.c (graphite_trans_scop_block): Do not block single
4923 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
4925 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
4926 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
4927 test with assertion.
4929 2009-01-16 Richard Guenther <rguenther@suse.de>
4931 PR tree-optimization/38835
4933 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
4934 and INT + PTR -> (INT)(PTR p+ INT) folding.
4935 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
4937 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
4940 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
4941 the subreg from a lowpart subreg if it is also casting the value.
4943 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4944 Tobias Grosser <tobi.grosser@amd.com>
4946 * graphite.c (compare_prefix_loops): New.
4947 (build_scop_canonical_schedules): Rewritten.
4948 (graphite_transform_loops): Move build_scop_canonical_schedules
4949 after build_scop_iteration_domain.
4951 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4952 Tobias Grosser <tobi.grosser@amd.com>
4954 * graphite.c (add_conditions_to_domain): Add the loops to
4955 the dimension of the iteration domain. Do copy the domain
4956 only when it exists.
4957 (build_scop_conditions_1): Do not call add_conditions_to_domain.
4958 (add_conditions_to_constraints): New.
4959 (can_generate_code_stmt, can_generate_code): Removed.
4960 (gloog): Do not call can_generate_code.
4961 (graphite_transform_loops): Call add_conditions_to_constraints
4962 after building the iteration domain.
4964 2009-01-16 Jakub Jelinek <jakub@redhat.com>
4966 PR tree-optimization/38789
4967 * tree-ssa-threadedge.c
4968 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4969 __builtin_constant_p.
4971 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
4973 * dce.c (delete_unmarked_insns): Reversed the order that insns are
4974 examined before deleting them.
4976 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
4978 * function.c (aggregate_value_p): Correctly extract the function
4979 type from CALL_EXPR_FN lookup.
4981 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4983 * config/picochip/picochip.c (picochip_override_options): Revert
4984 CFI asm flag disable commited previously.
4986 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
4987 Tobias Grosser <tobi.grosser@amd.com>
4988 Jan Sjodin <jan.sjodin@amd.com>
4990 * graphite.c (scan_tree_for_params): On substractions negate
4991 all the coefficients of the term.
4992 (clast_to_gcc_expression_red): New. Handle reduction expressions
4993 of more than two operands.
4994 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4995 (get_vdef_before_scop): Handle also the case of default definitions.
4997 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4999 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5000 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5001 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5003 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5004 Joey Ye <joey.ye@intel.com>
5007 * cfgexpand.c (expand_stack_alignment): Don't update stack
5008 boundary nor check incoming stack boundary here.
5009 (gimple_expand_cfg): Update stack boundary and check incoming
5010 stack boundary here.
5012 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5014 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5016 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5018 PR rtl-optimization/38245
5019 * calls.c (expand_call): Add stack arguments to
5020 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5021 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5022 in regs and partially in memory or BLKmode arguments.
5023 (emit_library_call_value_1): Add stack arguments to
5024 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5025 ACCUMULATE_OUTGOING_ARGS).
5026 * dce.c: Include tm_p.h.
5027 (find_call_stack_args): New function.
5028 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5030 (mark_insn): Call find_call_stack_args for CALL_Ps.
5031 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5032 forwards. Allocate and free arg_stores bitmap if needed, pass it
5033 down to deletable_insn_p, don't mark stores set in arg_stores
5034 bitmap, clear the bitmap at the beginning of each bb.
5035 * Makefile.in (dce.o): Depend on $(TM_P_H).
5037 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5040 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5041 to make sure the insn is a conditional test (bug 22599). Reformat a
5044 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5047 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5048 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5049 (gloog): Do not call cleanup_tree_cfg.
5050 (graphite_transform_loops): Call cleanup_tree_cfg after all
5051 scops have been code generated.
5053 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5054 * doc/gty.texi (Invoking the garbage collector): Added new node
5055 and section documenting ggc_collect.
5057 2009-01-14 Richard Guenther <rguenther@suse.de>
5059 PR tree-optimization/38826
5061 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5062 initialization notes only if we actually emitted a warning.
5063 (intra_create_variable_infos): Add constraints for a result decl
5064 that is passed by hidden reference.
5065 (build_pred_graph): Mark all related variables non-direct on
5068 2009-01-14 Nick Clifton <nickc@redhat.com>
5070 * ira-conflicts.c: Include addresses.h for the definition of
5072 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5073 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5075 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5078 * Makefile.in (ira-lives.o): Add except.h.
5080 * ira-lives.c: Include except.h.
5081 (process_bb_node_lives): Process can_throw_internal.
5083 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5085 PR rtl-optimization/38774
5086 * combine.c (simplify_set): When undoing cc_use change, don't do
5087 PUT_CODE on the newly created comparison, but instead put back the
5090 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5092 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5093 values. Remove duplicate arm8 entry.
5095 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5097 PR tree-optimization/38786
5098 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5099 the SSA_NAME case of expand_scalar_variables_expr.
5100 Set the type of an expression to the type of its assign statement.
5101 (expand_scalar_variables_expr): Also gather the scalar computation
5102 used to index the memory access. Do not pass loop_p.
5103 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5104 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5105 the gimple_stmt_iterator where it inserts new code.
5107 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5108 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5110 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5112 * graphite.h (debug_value): Removed.
5113 * graphite.c (debug_value): Removed.
5115 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5117 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5118 ldrd/strd with two 32-bit instructions.
5120 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5122 * config/arm/arm.c (struct processors): Pass for speed down into
5123 cost helper functions.
5124 (const_ok_for_op): Handle COMPARE and inequality nodes.
5125 (arm_rtx_costs_1): Rewrite.
5126 (arm_size_rtx_costs): Update prototype.
5127 (arm_rtx_costs): Pass speed down to helper functions.
5128 (arm_slowmul_rtx_costs): Rework cost calculations.
5129 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5130 (arm_9e_rtx_costs): Likewise.
5132 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5134 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5135 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5136 (alpha_legitimize_address): Do not split local symbols wider than
5137 UNITS_PER_WORD into HIGH/LO_SUM parts.
5139 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5142 * gcc.c (process_command): Replace call to execvp with calls
5143 to pex_one and exit.
5145 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5148 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5149 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5150 variant for devices with 3-byte PC.
5151 (__tablejump_elpm__): New.
5153 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5156 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5157 offsetof member-designator, handle it as `[0].'.
5159 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5161 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5162 function when not using named sections on targets with named sections
5163 if branch distance is less than 262132.
5165 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5167 * combine.c (combine_instructions): Recompute
5168 optimize_this_for_speed_p for each BB in the main combine loop.
5170 2009-01-12 Tomas Bily <tbily@suse.cz>
5173 * tree-loop-distribution.c (prop_phis): New function.
5174 (generate_builtin): Call prop_phis.
5175 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5177 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5179 PR tree-optimization/38807
5180 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5181 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5183 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5185 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5186 subreg of op0 to the original op0.
5188 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5190 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5192 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5195 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5196 starting with digits.
5198 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5201 * config/arm/arm.c (arm_is_long_call_p): Don't call
5202 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5204 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5206 * regrename.c (regrename_optimize): Fix dumping.
5207 (find_oldest_value_reg): Preserve REG_POINTER.
5208 (copy_hardreg_forward_1): Likewise.
5210 2009-01-09 Diego Novillo <dnovillo@google.com>
5212 * gimple.h (struct gimple_statement_base) <uid>: Document
5213 the restrictions on its use.
5215 (gimple_set_uid): Tidy.
5217 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5219 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5220 zero guard even if align_bytes != 0 and count is smaller than
5223 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5225 PR rtl-optimization/38495
5226 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5227 (add_range_and_copies_from_move_list): Print all added ranges.
5228 Add ranges to memory optimized destination.
5230 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5234 * config/i386/i386.c (override_options): Reject
5235 -mstringop-strategy=rep_8byte with -m32.
5236 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5237 to 1. Do count comparison against epilogue_size_needed at compile
5238 time even when count_exp was constant forced into register. For
5239 size_needed don't jump to epilogue, instead just avoid aligning
5240 and invoke the body algorithm. If need_zero_guard, add zero guard
5241 even if count is non-zero, but smaller than size_needed + number of
5242 bytes that could be stored for alignment.
5243 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5244 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5245 but smaller than size_needed + number of bytes that could be stored
5246 for alignment. Compare size_needed with epilogue_size_needed instead
5247 of desired_align - align, don't adjust size_needed, pass
5248 epilogue_size_needed to the epilogue expanders.
5251 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5253 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5255 * pa.c (last_address): Change to unsigned.
5256 (update_total_code_bytes): Change argument to unsigned. Don't
5257 check if insn addresses are set.
5258 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5259 addresses are not set.
5260 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5262 2009-01-09 Nick Clifton <nickc@redhat.com>
5264 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5265 DECL_DECLARED_INLINE_P.
5267 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5270 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5271 GET_MODE (op0) in operand_subword_force calls.
5274 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5275 fold_convert arg0 operands to TREE_TYPE (op0) first.
5277 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5279 * params.def (ira-max-conflict-table-size): Decrease default value
5282 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5284 PR tree-optimization/37031
5285 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5287 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5288 allocate it using gc instead of heap, use VEC_quick_push instead of
5290 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5291 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5292 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5293 allocated vector from heap allocated.
5294 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5295 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5296 vector only after perfect_loop_nest_depth call.
5298 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5299 Jan Sjodin <jan.sjodin@amd.com>
5301 PR tree-optimization/38559
5302 * graphite.c (debug_value, copy_constraint,
5303 swap_constraint_variables, scale_constraint_variable, ): New.
5304 (get_lower_bound, get_upper_bound): Removed.
5305 (graphite_trans_bb_strip_mine): Clean up this code that works
5306 only for constant number of iterations. Fully copy upper and
5307 lower bound constraints, not only the constant part of them.
5308 * graphite.h (debug_value): Declared.
5310 2009-01-08 Ira Rosen <irar@il.ibm.com>
5312 PR tree-optimization/37194
5313 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5314 Don't add the cost of cost model guard in prologue to scalar
5315 outside cost in case of known number of iterations.
5317 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5318 Alan Modra <amodra@bigpond.net.au>
5320 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5321 non-word-aligned REG+CONST addressing.
5323 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5326 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5327 free_after_compilation when outputting a thunk.
5328 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5329 Do not call free_after_compilation here.
5331 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5333 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5334 (ix86_valid_target_attribute_inner_p): Ditto.
5336 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5338 PR tree-optimization/38492
5339 PR tree-optimization/38498
5340 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5341 * tree-chrec.h (scev_is_linear_expression): Declared.
5342 * graphite.c (graphite_cannot_represent_loop_niter): New.
5343 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5344 (graphite_loop_normal_form): Use gcc_assert.
5345 (scan_tree_for_params): Use CASE_CONVERT.
5346 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5347 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5348 Use gcc_assert. Discard scops that contain unhandled cases.
5349 (build_scop_conditions): Return a boolean status for unhandled cases.
5350 (strip_mine_profitable_p): Print the loop number, not its depth.
5351 (is_interchange_valid): Pass the depth of the loop nest, don't
5352 recompute it wrongly.
5353 (graphite_trans_bb_block): Same.
5354 (graphite_trans_bb_block): Print tentative of loop blocking.
5355 (graphite_trans_scop_block): Do not print that the loop has been
5357 (graphite_transform_loops): Do not handle scops that contain condition
5360 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5362 AVX Programming Reference (December, 2008)
5363 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5364 (_mm256_stream_pd): Likewise.
5365 (_mm256_stream_ps): Likewise.
5367 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5368 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5369 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5370 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5371 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5372 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5373 (ix86_expand_special_args_builtin): Likewise.
5375 * config/i386/sse.md (AVXMODEDI): New.
5376 (avx_movnt<mode>): Likewise.
5377 (avx_movnt<mode>): Likewise.
5378 (<sse>_movnt<mode>): Remove AVX support.
5379 (sse2_movntv2di): Likewise.
5381 2009-01-07 Richard Guenther <rguenther@suse.de>
5384 * fold-const.c (extract_muldiv): Remove obsolete comment.
5385 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5386 to PLUS_EXPR canonicalization for the canonicalization.
5388 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5390 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5391 hosted cross-compilers generating less efficient code.
5393 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5395 * function.h (rtl_data): Add a dbr_scheduled_p field.
5396 * reorg.c (dbr_schedule): Set it.
5397 (gate_handle_delay_slots): Check it.
5398 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5399 (mips_reorg): Check flag_delayed_branch instead of
5400 mips_base_delayed_branch.
5401 (mips_override_options): Don't set mips_base_delayed_branch
5402 or flag_delayed_branch.
5404 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5406 PR rtl-optimization/38426.
5407 * ira.c (ira): Set current_function_is_leaf earlier.
5409 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5411 PR rtl-optimization/38722
5412 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5413 too early, only set a flag and modify after last possible
5416 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5419 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5420 * real.c (decimal_single_format): Correct values of emin and emax.
5421 (decimal_double_format): Ditto.
5422 (decimal_quad_format): Ditto.
5423 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5424 computation of DECnn_MIN and DECnn_MAX for corrected values of
5425 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5426 __DECnn_MIN__, and adjust its computation for the corrected value
5429 2009-01-06 Jan Hubicka <jh@suse.cz>
5432 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5434 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5436 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5437 Add Robert Clark to the list of testers.
5439 2009-01-06 Jan Hubicka <jh@suse.cz>
5440 Kai Tietz <kai.tietz@onevision.com>
5442 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5443 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5445 2009-01-06 Jan Hubicka <jh@suse.cz>
5446 Kai Tietz <kai.tietz@onevision.com>
5448 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5450 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5451 (ix86_nsaved_regs): Count only general purpose regs.
5452 (ix86_nsaved_sseregs): New.
5453 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5454 to 16 for w64; compute padding and size of sse reg save area.
5455 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5456 general purpose regs.
5457 (ix86_emit_save_sse_regs_using_mov): New.
5458 (ix86_expand_prologue): Save SSE regs if needed.
5459 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5460 (ix86_emit_restore_sse_regs_using_mov): New.
5461 (ix86_expand_epilogue): Save SSE regs if needed.
5463 2009-01-06 Jan Hubicka <jh@suse.cz>
5464 Kai Tietz <kai.tietz@onevision.com>
5466 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5467 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5468 functions when accumulate outgoing args is off.
5470 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5473 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5474 before using pseudos_have_intersected_live_ranges_p.
5476 * ira-int.h (ira_assert): Always define.
5478 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5480 AVX Programming Reference (December, 2008)
5481 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5482 (_mm256_permute2_pd): Likewise.
5483 (_mm_permute2_ps): Likewise.
5484 (_mm256_permute2_ps): Likewise.
5485 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5486 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5488 * config/i386/i386.c (ix86_builtins): Remove
5489 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5490 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5491 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5492 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5493 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5494 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5495 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5496 __builtin_ia32_vpermil2ps256.
5497 (ix86_init_mmx_sse_builtins): Updated.
5498 (ix86_expand_args_builtin): Likewise.
5500 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5502 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5503 long absolute calls when generating PA 2.0 code.
5505 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5507 PR rtl-optimization/38583
5508 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5510 * params.def (ira-max-conflict-table-size): New.
5512 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5514 * ira.h (ira_conflicts_p): New external definition.
5516 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5517 table. Report this. Return result of building.
5518 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5519 building conflict table.
5521 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5522 (ira_color): Use ira_conflicts_p.
5524 * global.c: Include ira.h.
5525 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5528 * Makefile.in (global.o): Add ira.h.
5530 * ira-build.c (mark_all_loops_for_removal,
5531 propagate_some_info_from_allocno): New.
5532 (remove_unnecessary_allocnos): Call
5533 propagate_some_info_from_allocno.
5534 (remove_low_level_allocnos): New.
5535 (remove_unnecessary_regions): Add parameter. Call
5536 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5537 parameter to remove_unnecessary_regions.
5538 (ira_build): Remove all regions but root if the conflict table was
5539 not built. Update conflict hard regs for allocnos crossing calls.
5541 * ira.c (ira_conflicts_p): New global.
5542 (ira): Define and use ira_conflicts_p.
5544 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5545 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5546 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5548 2009-01-06 Ben Elliston <bje@au.ibm.com>
5550 * gengtype-lex.l (YY_NO_INPUT): Define.
5552 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5555 * c-common.c (handle_vector_size_attribute): Also reject
5558 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5560 PR tree-optimization/38492
5561 * graphite.c (rename_map_elt, debug_rename_elt,
5562 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5563 rename_map_elt_info, eq_rename_map_elts,
5564 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5565 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5566 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5567 (sese_build_livein_liveouts): New.
5568 (new_sese, free_sese): New.
5569 (new_scop): Call new_sese.
5570 (free_scop): Call free_sese.
5571 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5572 (register_old_new_names): Renamed register_old_and_new_names.
5573 (register_scop_liveout_renames, add_loop_exit_phis,
5574 insert_loop_close_phis, struct igp,
5575 default_liveout_before_guard, add_guard_exit_phis,
5576 insert_guard_phis, copy_renames): New.
5577 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5578 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5579 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5580 (scop_adjust_phis_for_liveouts): New.
5581 (gloog): Call scop_adjust_phis_for_liveouts.
5583 * graphite.h (struct sese): Documented. Added fields liveout,
5585 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5586 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5587 (struct scop): Added field liveout_renames.
5588 (SCOP_LIVEOUT_RENAMES): New.
5590 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5592 PR tree-optimization/38510
5593 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5594 (translate_clast): Call recompute_all_dominators before
5596 (gloog): Call recompute_all_dominators before graphite_verify.
5598 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5599 Jan Sjodin <jan.sjodin@amd.com>
5601 PR tree-optimization/38500
5602 * graphite.c (create_sese_edges): Call fix_loop_structure after
5605 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5607 * config.gcc: Add m32r*-*-rtems*.
5608 * config/m32r/rtems.h: New file.
5610 2009-01-05 Ben Elliston <bje@au.ibm.com>
5612 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5613 (.po.pox): Likewise.
5614 (po/gcc.pot): Likewise.
5616 2009-01-04 David S. Miller <davem@davemloft.net>
5618 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5619 (STARTING_FRAME_OFFSET): Always set to zero.
5621 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5623 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5624 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5625 fixed-point types, and vectors of the same.
5627 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5629 * config/mips/sync.md (*mb_barrier): Rename to...
5630 (*memory_barrier): ...this.
5632 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5634 * doc/extend.texi (Function Attributes): Move @cindex after @item
5635 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5636 and put in alphabetical order. Fix 'target' name and put in order.
5637 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5640 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5642 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5643 (memory_barrier): Expand as unspec instead of unspec_volatile.
5644 Remove mem:BLK from insn operands. Use Pmode scratch register.
5645 (*memory_barrier): Define as unspec instead of unspec_volatile.
5646 Use (match_dup 0) as input operand.
5648 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5649 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5650 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5651 scratch register. Remove operand 1.
5652 (*stbar): Define as unspec instead of unspec_volatile.
5653 Use (match_dup 0) as input operand, remove (const_int 8).
5654 (*membar): Define as unspec instead of unspec_volatile.
5655 Use (match_dup 0) as input operand, remove input operand 2.
5657 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
5658 (memory_barrier): Expand as unspec instead of unspec_volatile.
5659 Remove mem:BLK from insn operands. Use Pmode scratch register.
5660 (*memory_barrier): Define as unspec instead of unspec_volatile.
5661 Use (match_dup 0) as input operand.
5663 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
5664 Remove mem:BLK from insn operands. Use Pmode scratch register.
5665 Set volatile flag on operand 0.
5666 (*memory_barrier): New insn pattern.
5668 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
5670 (*memory_barrier): Use (match_dup 0) as input operand.
5672 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
5673 Remove mem:BLK from insn operands. Use Pmode scratch register.
5674 Set volatile flag on operand 0.
5675 (*mb_internal): New insn pattern.
5677 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
5679 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5682 * function.c (struct temp_slot): Move to the section of the file
5683 that deals with temp slots. Remove field 'address'.
5684 (temp_slot_address_table): New hash table of address -> temp slot.
5685 (struct temp_slot_address_entry): New struct, items for the table.
5686 (temp_slot_address_compute_hash, temp_slot_address_hash,
5687 temp_slot_address_eq, insert_temp_slot_address): Support functions
5689 (find_temp_slot_from_address): Rewrite to use the new hash table.
5690 (remove_unused_temp_slot_addresses): Remove addresses of temp
5691 slots that have been made available.
5692 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
5693 worker function for remove_unused_temp_slot_addresses.
5694 (assign_stack_temp_for_type): Don't clear the temp slot address list.
5695 Add the temp slot address to the address -> temp slot map.
5696 (update_temp_slot_address): Update via insert_temp_slot_address.
5697 (free_temp_slots): Call remove_unused_temp_slot_addresses.
5698 (pop_temp_slots): Likewise.
5699 (init_temp_slots): Allocate the address -> temp slot map, or empty
5700 the map if it is already allocated.
5701 (prepare_function_start): Initialize temp slot processing.
5703 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5706 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
5707 Calculate the size of all stack vars assuming no packing of stack
5708 vars will happen, replacing a quadratic algorithm with a linear one.
5710 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5713 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
5716 2009-01-03 Diego Novillo <dnovillo@google.com>
5718 * doc/contrib.texi: Update contributions.
5720 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5723 * builtins.c (fold_builtin_memory_op): Give up if either operand
5724 is volatile. Set srctype or desttype to non-qualified version
5728 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
5731 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
5733 PR rtl-optimization/35805
5734 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
5735 problem if fast dce is able to remove any instructions.
5736 * dce.c (dce_process_block): Fix dump message.
5738 2009-01-02 Mark Mitchell <mark@codesourcery.com>
5741 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
5743 2009-01-02 Jakub Jelinek <jakub@redhat.com>
5746 * tree-flow.h (op_code_prio, op_prio): New prototypes.
5747 * tree-pretty-print.c (op_code_prio): New function.
5748 (op_prio): No longer static. Use op_code_prio.
5749 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
5750 Use op_prio and op_code_prio to determine if () should be
5751 printed around operand(s) or not.
5753 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
5754 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
5755 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
5756 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
5757 pp_character instead of pp_string for single letter printing.
5759 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5761 * doc/extend.texi: Fix '#pragma GCC option' typo.
5763 2009-01-02 Richard Guenther <rguenther@suse.de>
5765 * doc/install.texi (--enable-checking): Mention different
5767 (--enable-stage1-checking): Document.
5769 2009-01-01 Andrew Pinski <pinskia@gmail.com>
5772 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
5773 case to be an error.
5775 2009-01-02 Ben Elliston <bje@au.ibm.com>
5777 * config/fp-bit.h (pack_d): Constify argument.
5778 * config/fp-bit.c (makenan): Constify return type. Remove casts.
5779 (isnan): Constify argument.
5783 (_fpadd_parts): Constify return type.
5784 (_fpmul_parts): Likewise.
5785 (_fpdiv_parts): Likewise.
5787 2009-01-01 Jakub Jelinek <jakub@redhat.com>
5790 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
5791 warn about overwriting initializer with side-effects or
5792 -Woverride-init if !IMPLICIT.
5793 (output_init_element): Likewise. Pass IMPLICIT down to
5795 (process_init_element): Add IMPLICIT argument. Pass it down
5796 to output_init_element.
5797 (push_init_element, pop_init_level, set_designator): Adjust
5798 process_init_element callers.
5799 (set_nonincremental_init, set_nonincremental_init_from_string):
5800 Adjust add_pending_init callers.
5801 (output_pending_init_elements): Adjust output_init_element callers.
5802 * c-tree.h (process_init_element): Adjust prototype.
5803 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
5804 process_init_element callers.