1 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
3 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
4 (cygwin tm clause use_gcc_stdint): Set to wrap.
5 * config/i386/cygwin-stdint.h: New file.
7 2009-04-04 Richard Guenther <rguenther@suse.de>
9 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
10 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
11 single-argument PHIs if we are in loop-closed SSA form.
12 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
13 for the pre-condition.
14 (slpeel_tree_peel_loop_to_edge): Likewise.
15 (vect_build_loop_niters): Take an optional sequence to append stmts.
16 (vect_generate_tmps_on_preheader): Likewise.
17 (vect_do_peeling_for_loop_bound): Take extra guards for the
19 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
21 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
22 guards if we are going to peel. Do not apply versioning in that
24 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
25 (vect_do_peeling_for_loop_bound): Likewise.
26 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
27 loop bound only record extra pre-conditions, do not apply loop
30 2009-04-04 Richard Guenther <rguenther@suse.de>
32 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
35 2009-04-04 Jan Hubicka <jh@suse.cz>
37 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
38 last_basic_block for size of bb->index indexed array.
39 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
40 compute_out, link_btr_uses, build_btr_def_use_webs,
41 build_btr_def_use_webs, migrate_btr_defs): Likewise.
43 2009-04-04 Jan Hubicka <jh@suse.cz>
45 * except.c (remove_eh_handler_and_replace): Break out from ...
46 (remove_eh_handler): ... here.
47 (bring_to_root): New function.
48 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
49 handled ones, bring others to root of tree.
51 2009-04-04 Jan Hubicka <jh@suse.cz>
53 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
54 (all_phis_safe_to_merge): New function.
55 (update_info): New structure.
56 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
57 (cleanup_empty_eh): Update SSA if possible.
59 2009-04-04 Richard Guenther <rguenther@suse.de>
61 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
62 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
63 (append_vuse): Likewise.
65 2009-04-04 Jakub Jelinek <jakub@redhat.com>
67 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
68 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
69 instead of REG_UNSAVED for DW_CFA_undefined.
70 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
71 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
74 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
77 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
78 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
79 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
81 2009-04-04 Richard Guenther <rguenther@suse.de>
83 PR tree-optimization/8781
84 PR tree-optimization/37892
85 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
86 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
87 (valueize_refs): Call it for *& valueizations.
88 (shared_reference_ops_from_ref): Rename to ...
89 (valueize_shared_reference_ops_from_ref): ... this and valueize.
90 (shared_reference_ops_from_call): Rename to ...
91 (valueize_shared_reference_ops_from_call): ... this and valueize.
92 (vn_reference_lookup): Update.
93 (visit_reference_op_call): Likewise.
94 * tree-ssa-pre.c (phi_translate_1): Fold *&.
95 (eliminate): Value-replace the call address in call statements.
97 2009-04-04 Richard Guenther <rguenther@suse.de>
99 PR tree-optimization/39636
100 * tree-ssa-forwprop.c
101 (forward_propagate_addr_into_variable_array_index): Check for
102 GIMPLE_ASSIGN before accessing the rhs code.
104 2009-04-03 Jason Merrill <jason@redhat.com>
106 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
108 2009-04-03 Steve Ellcey <sje@cup.hp.com>
110 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
111 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
112 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
113 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
114 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
115 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
116 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
117 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
118 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
119 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
120 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
121 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
122 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
123 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
124 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
125 Use fr_reg_or_fp01_operand instead of fr_register_operand
127 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
128 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
129 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
131 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
133 PR rtl-optimization/39607
134 PR rtl-optimization/39631
136 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
137 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
138 instead of DF_LR_OUT.
139 * ira-lives.c (process_bb_node_lives): Ditto.
140 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
141 instead of DF_LR_{OUT,IN}.
142 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
143 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
145 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
147 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
148 (execute_lower_omp): Always run but take the short way out if -fopenmp
150 (gate_lower_omp): Remove, forcing the pass manager to always run the
151 pass and always set PROP_gimple_lomp.
152 (pass_lower_omp): Remove gate function.
153 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
154 PROP_trees. Instead, require it.
155 * ipa-cp.c (pass_ipa_cp): Likewise.
156 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
157 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
158 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
161 2009-04-03 Richard Guenther <rguenther@suse.de>
164 PR tree-optimization/23940
165 PR tree-optimization/33237
168 PR tree-optimization/36201
169 PR tree-optimization/36230
170 PR tree-optimization/38049
171 PR tree-optimization/38207
172 PR tree-optimization/38230
173 PR tree-optimization/38301
174 PR tree-optimization/38585
176 PR tree-optimization/38985
177 PR tree-optimization/39299
178 * tree-ssa-structalias.h: Remove.
179 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
180 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
181 (struct vuse_element_d): Remove.
182 (struct vuse_vec_d): Likewise.
183 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
184 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
185 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
186 VUSE_ELEMENT_VAR): Likewise.
187 (struct voptype_d): Likewise.
188 (NUM_VOP_FREE_BUCKETS): Likewise.
189 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
190 (struct stmt_operands_d): Remove.
191 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
192 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
193 VDEF_NUM, VDEF_VECT): Likewise.
194 (copy_virtual_operands): Remove.
195 (operand_build_cmp): Likewise.
196 (create_ssa_artificial_load_stmt): Likewise.
197 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
198 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
199 vuse_index and mayuse_index members. Pack and move done and iter_type
200 members to the front.
201 (SSA_OP_VMAYUSE): Remove.
202 (SSA_OP_VIRTUAL_USES): Adjust.
203 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
204 (unlink_stmt_vdef): Declare.
205 (add_to_addressable_set): Remove.
206 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
207 (vrp_visit_stmt): Likewise.
208 * doc/tree-ssa.texi (Alias analysis): Update.
209 * doc/invoke.texi (max-aliased-vops): Remove docs.
210 (avg-aliased-vops): Likewise.
211 * tree-into-ssa.c (syms_to_rename): Remove.
212 (need_to_update_vops_p): Likewise.
213 (need_to_initialize_update_ssa_p): Rename to ...
214 (update_ssa_initialized_fn): ... this. Track function we are
216 (symbol_marked_for_renaming): Simplify.
217 (add_new_name_mapping): Do not set need_to_update_vops_p.
218 (dump_currdefs): Use SYMS_TO_RENAME.
219 (rewrite_update_stmt): Always walk all uses/defs.
220 (dump_update_ssa): Adjust.
221 (init_update_ssa): Take function argument. Track what we are
223 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
224 (create_new_def_for): Initialize for cfun, assert we are initialized
226 (mark_sym_for_renaming): Simplify.
227 (mark_set_for_renaming): Do not initialize update-ssa.
228 (need_ssa_update_p): Simplify. Take function argument.
229 (name_mappings_registered_p): Assert we ask for the correct function.
230 (name_registered_for_update_p): Likewise.
231 (ssa_names_to_replace): Likewise.
232 (release_ssa_name_after_update_ssa): Likewise.
233 (update_ssa): Likewise. Use SYMS_TO_RENAME.
234 (dump_decl_set): Do not print a newline.
235 (debug_decl_set): Do it here.
236 (dump_update_ssa): And here.
237 * tree-ssa-loop-im.c (move_computations): Adjust.
238 (movement_possibility): Likewise.
239 (determine_max_movement): Likewise.
240 (gather_mem_refs_stmt): Likewise.
241 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
243 * tree-complex.c (update_all_vops): Remove.
244 (expand_complex_move): Adjust.
245 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
246 Simplify test for memory referencing statement. Exclude
247 non-invariant ADDR_EXPRs.
248 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
249 * tree-loop-distribution.c (generate_memset_zero): Adjust.
250 (rdg_flag_uses): Likewise.
251 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
253 (tree_optimize_tail_calls_1): Also split the
254 edge from the entry block if we have degenerate PHI nodes in
255 the first basic block.
256 * tree.c (init_ttree): Remove memory-tag related code.
257 (tree_code_size): Likewise.
258 (tree_node_structure): Likewise.
259 (build7_stat): Re-write to be build6_stat.
260 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
262 (struct tree_memory_tag): Remove.
263 (struct tree_memory_partition_tag): Likewise.
264 (union tree_node): Adjust.
265 (build7): Re-write to be build6.
266 * tree-pass.h (pass_reset_cc_flags): Remove.
267 (TODO_update_address_taken): New flag.
268 (pass_simple_dse): Remove.
269 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
270 * params.h (MAX_ALIASED_VOPS): Remove.
271 (AVG_ALIASED_VOPS): Likewise.
272 * omp-low.c (expand_omp_taskreg): Update SSA form.
273 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
274 aliases the lhs in a copy stmt.
275 * tree-ssa-dse.c (struct address_walk_data): Remove.
276 (memory_ssa_name_same): Likewise.
277 (memory_address_same): Likewise.
278 (get_kill_of_stmt_lhs): Likewise.
279 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
280 unused stores. Look through PHI nodes into post-dominated regions.
281 (dse_optimize_stmt): Simplify. Properly remove stores.
282 (tree_ssa_dse): Compute dominators.
283 (execute_simple_dse): Remove.
284 (pass_simple_dse): Likewise.
285 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
286 gimple_loaded_syms and gimple_stored_syms computation.
287 * toplev.c (dump_memory_report): Dump alias and pta stats.
288 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
289 (vn_reference_eq): Likewise.
290 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
291 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
292 valueize_vuses): Remove.
293 (get_def_ref_stmt_vuses): Simplify. Rename to ...
294 (get_def_ref_stmt_vuse): ... this.
295 (vn_reference_lookup_2): New function.
296 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
297 walking equivalent vuses. Simplify.
298 (vn_reference_lookup): Likewise.
299 (vn_reference_insert): Likewise.
300 (vn_reference_insert_pieces): Likewise.
301 (visit_reference_op_call): Simplify.
302 (visit_reference_op_load): Likewise.
303 (visit_reference_op_store): Likewise.
304 (init_scc_vn): Remove shared_lookup_vuses initialization.
305 (free_scc_vn): Remove shared_lookup_vuses freeing.
306 (sort_vuses, sort_vuses_heap): Remove.
307 (get_ref_from_reference_ops): Export.
308 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
309 vector with single vuse pointer.
310 (vn_reference_lookup_pieces, vn_reference_lookup,
311 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
312 (shared_vuses_from_stmt): Remove.
313 (get_ref_from_reference_ops): Declare.
314 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
315 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
316 memory-tag related code.
317 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
318 (likely_value): Add comment, skip static-chain of call statements.
319 (surely_varying_stmt_p): Adjust.
320 (gimplify_and_update_call_from_tree): Likewise.
321 (execute_fold_all_builtins): Do not rebuild alias info.
322 (gimplify_and_update_call_from_tree): Properly update VOPs.
323 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
324 (copy_ref_info): Remove memory-tag related code.
325 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
326 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
327 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
329 * tree-ssa-dom.c (gimple_p): Remove typedef.
330 (eliminate_redundant_computations): Adjust.
331 (record_equivalences_from_stmt): Likewise.
332 (avail_expr_hash): Likewise.
333 (avail_expr_eq): Likewise.
334 * tree-ssa-propagate.c (update_call_from_tree): Properly
336 (stmt_makes_single_load): Likewise.
337 (stmt_makes_single_store): Likewise.
338 * tree-ssa-alias.c: Rewrite completely.
339 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
340 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
341 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
342 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
343 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
344 Remove public functions.
345 (pass_reset_cc_flags): Remove.
346 (pass_build_alias): Move ...
347 * tree-ssa-structalias.c (pass_build_alias): ... here.
348 * tree-ssa-alias.c (may_be_aliased): Move ...
349 * tree-flow-inline.h (may_be_aliased): ... here.
350 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
351 count_uses_and_derefs): Move ...
352 * gimple.c: ... here.
353 * gimple.h (count_uses_and_derefs): Declare.
354 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
355 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
356 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
357 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
358 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
359 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
360 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
362 * tree-dfa.c (refs_may_alias_p): Move ...
363 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
364 * tree-ssa-alias.h: New file.
365 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
366 (statement_sink_location): Likewise.
367 * opts.c (decode_options): Do not adjust max-aliased-vops or
368 avg-aliased-vops values.
369 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
370 (TV_CALL_CLOBBER): Likewise.
371 (TV_FLOW_SENSITIVE): Likewise.
372 (TV_FLOW_INSENSITIVE): Likewise.
373 (TV_MEMORY_PARTITIONING): Likewise.
374 (TV_ALIAS_STMT_WALK): New timevar.
375 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
376 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
377 (get_address_description): Remove memory-tag related code.
378 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
379 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
380 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
381 and immediate uses in statements. Document.
382 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
383 (dump_symbols): Remove.
384 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
385 * alias.c (get_deref_alias_set): New function split out from ...
386 (get_alias_set): ... here.
387 * alias.h (get_deref_alias_set): Declare.
388 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
389 type parameter. Remove restrict pointer handling. Create a
390 ref-all pointer in case type-based alias sets do not conflict.
391 (vect_analyze_data_refs): Remove SMT related code.
392 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
393 (vectorizable_load): Likewise.
394 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
395 (DR_SYMBOL_TAG, DR_VOPS): Remove.
396 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
397 Ignore vops and SMTs.
398 (dr_analyze_alias): Likewise..
399 (free_data_ref): Likewise.
400 (create_data_ref): Likewise.
401 (analyze_all_data_dependences): Likewise.
402 (get_references_in_stmt): Adjust.
403 * tree-flow-inline.h (gimple_aliases_computed_p,
404 gimple_addressable_vars, gimple_call_clobbered_vars,
405 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
406 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
407 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
408 gimple_mem_ref_stats): Remove.
409 (gimple_vop): New function.
410 (op_iter_next_use): Remove vuses and mayuses cases.
411 (op_iter_next_def): Remove vdefs case.
412 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
413 (clear_and_done_ssa_iter): Do not set removed fields.
414 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
415 Assert we are not iterating over vuses or vdefs if not also
416 iterating over uses or defs.
417 (op_iter_init_use): Likewise.
418 (op_iter_init_def): Likewise.
419 (op_iter_next_vdef): Remove.
420 (op_iter_next_mustdef): Likewise.
421 (op_iter_init_vdef): Likewise.
422 (compare_ssa_operands_equal): Likewise.
423 (link_use_stmts_after): Handle vuse operand.
424 (is_call_used): Use is_call_clobbered.
425 (is_call_clobbered): Global variables are always call clobbered,
426 query the call-clobbers bitmap.
427 (mark_call_clobbered): Ignore global variables.
428 (clear_call_clobbered): Likewise.
429 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
430 virtual operands sanity check.
431 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
433 (TARGET_MEM_REF): Remove TMR_TAG operand.
434 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
435 Remove call-clobber related code.
436 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
437 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
438 partitions or escape reason.
439 (get_single_def_stmt, get_single_def_stmt_from_phi,
440 get_single_def_stmt_with_phi): Remove.
441 (dump_referenced_vars): Tidy.
442 (get_ref_base_and_extent): Allow bare decls.
443 (collect_dfa_stats): Adjust.
444 * graphite.c (rename_variables_in_stmt): Adjust.
445 (graphite_copy_stmts_from_block): Likewise.
446 (translate_clast): Likewise.
447 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
449 (translate_vuse_through_block): Use the oracle.
450 (phi_translate_1): Adjust.
451 (value_dies_in_block_x): Use the oracle. Cache the outcome
453 (valid_in_sets): Check if the VUSE for
454 a REFERENCE is available.
455 (eliminate): Do not remove stmts during elimination,
456 instead queue and remove them afterwards.
457 (do_pre): Do not rebuild alias info.
458 (pass_pre): Run TODO_rebuild_alias before PRE.
459 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
460 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
461 (mark_all_v_defs_stmt): Remove.
462 (mark_all_v_defs_seq): Adjust.
463 (sra_replace): Likewise.
464 (scalarize_use): Likewise.
465 (scalarize_copy): Likewise.
466 (scalarize_init): Likewise.
467 (scalarize_ldst): Likewise.
469 (tree_sra): Do not rebuild alias info.
470 (tree_sra_early): Adjust.
471 (pass_sra): Run TODO_update_address_taken before SRA.
472 * tree-predcom.c (set_alias_info): Remove.
473 (prepare_initializers_chain): Do not call it.
474 (mark_virtual_ops_for_renaming): Adjust.
475 (mark_virtual_ops_for_renaming_list): Remove.
476 (initialize_root_vars): Adjust.
477 (initialize_root_vars_lm): Likewise.
478 (prepare_initializers_chain): Likewise.
479 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
480 (may_propagate_copy_into_stmt): Likewise.
481 (merge_alias_info): Do nothing for now.
482 (propagate_tree_value_into_stmt): Adjust.
483 (stmt_may_generate_copy): Likewise.
484 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
485 not mark symbols for renaming.
486 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
487 with the same statement, make sure to update the new pointed-to one.
488 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
489 call statements, do not mark symbols for renaming.
490 (mark_operand_necessary): Dump something.
491 (ref_may_be_aliased): New function.
492 (mark_aliased_reaching_defs_necessary_1): New helper function.
493 (mark_aliased_reaching_defs_necessary): Likewise.
494 (mark_all_reaching_defs_necessary_1): Likewise.
495 (mark_all_reaching_defs_necessary): Likewise.
496 (propagate_necessity): Do not process virtual PHIs. For
497 non-aliased loads mark all reaching definitions as necessary.
498 For aliased loads and stores mark the immediate dominating
499 aliased clobbers as necessary.
500 (visited): New global static.
501 (perform_tree_ssa_dce): Free visited bitmap after propagating
503 (remove_dead_phis): Perform simple dead virtual PHI removal.
504 (remove_dead_stmt): Properly unlink virtual operands when
506 (eliminate_unnecessary_stmts): Schedule PHI removal after
508 * tree-ssa-ter.c (is_replaceable_p): Adjust.
509 (process_replaceable): Likewise.
510 (find_replaceable_in_bb): Likewise.
511 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
512 based on the single gimple vop.
513 (verify_flow_insensitive_alias_info): Remove.
514 (verify_flow_sensitive_alias_info): Likewise.
515 (verify_call_clobbering): Likewise.
516 (verify_memory_partitions): Likewise.
517 (verify_alias_info): Likewise.
518 (verify_ssa): Adjust..
519 (execute_update_addresses_taken): Export. Update SSA
520 manually. Optimize only when optimizing. Use a local bitmap.
521 (pass_update_address_taken): Remove TODO_update_ssa, add
523 (pass_update_address_taken): Just use TODO_update_address_taken.
524 (init_tree_ssa): Do not initialize addressable_vars.
525 (verify_ssa): Verify new VUSE / VDEF properties.
526 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
527 Do not call verify_alias_info.
528 (delete_tree_ssa): Clear the VUSE, VDEF operands.
529 Do not free the loaded and stored syms bitmaps. Reset the escaped
530 and callused solutions. Do not free addressable_vars.
531 Remove memory-tag related code.
532 (warn_uninitialized_var): Aliases are always available.
533 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
534 * lambda-code.c (can_put_in_inner_loop): Adjust.
535 (can_put_after_inner_loop): Likewise.
536 (perfect_nestify): Likewise.
537 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
538 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
539 (vectorizable_conversion): Do not mark symbols for renaming.
540 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
541 (expand_call_inline): Unlink the calls virtual operands before
543 (tree_function_versioning): Do not call update_ssa if we are not
544 updating clones. Simplify.
545 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
546 (propagate_with_phi): Likewise..
547 * tree-outof-ssa.c (create_temp): Remove memory tag and call
548 clobber code. Assert we are not aliased or global.
549 * tree-flow.h: Include tree-ssa-alias.h
550 (enum escape_type): Remove.
551 (struct mem_sym_stats_d): Likewise.
552 (struct mem_ref_stats_d): Likewise.
553 (struct gimple_df): Add vop member. Remove global_var,
554 call_clobbered_vars, call_used_vars, addressable_vars,
555 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
556 escaped and callused members.
557 (struct ptr_info_def): Remove all members, add points-to solution
559 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
560 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
561 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
562 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
563 (tree-ssa-alias.o): Likewise.
564 (toplev.o): Add tree-ssa-alias.h
565 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
566 * gimple.c (gimple_set_bb): Fix off-by-one error.
567 (is_gimple_reg): Do not handle memory tags.
568 (gimple_copy): Also copy virtual operands.
569 Delay updating the statement. Do not reset loaded and stored syms.
570 (gimple_set_stored_syms): Remove.
571 (gimple_set_loaded_syms): Likewise.
572 (gimple_call_copy_skip_args): Copy the virtual operands
573 and mark the new statement modified.
574 * tree-ssa-structalias.c (may_alias_p): Remove.
575 (set_uids_in_ptset): Take the alias set to prune with as
576 parameter. Fold in the alias test of may_alias_p.
577 (compute_points_to_sets): Compute whether a ptr is dereferenced
579 (process_constraint): Deal with &ANYTHING on the lhs, reject all
580 other ADDRESSOF constraints on the lhs.
581 (get_constraint_for_component_ref): Assert that we don't get
582 ADDRESSOF constraints from the base of the reference.
583 Properly generate UNKNOWN_OFFSET for DEREF if needed.
584 (struct variable_info): Remove collapsed_to member.
585 (get_varinfo_fc): Remove.
586 (new_var_info): Do not set collapsed_to.
587 (dump_constraint): Do not follow cycles.
588 (dump_constraint_graph): Likewise.
589 (build_pred_graph): Likewise.
590 (build_succ_graph): Likewise.
591 (rewrite_constraints): Likewise.
592 (do_simple_structure_copy): Remove.
593 (do_rhs_deref_structure_copy): Remove.
594 (do_lhs_deref_structure_copy): Remove.
595 (collapse_rest_of_var): Remove.
596 (do_structure_copy): Re-implement.
597 (pta_stats): New global variable.
598 (dump_pta_stats): New function.
599 (struct constraint_expr): Make offset signed.
600 (UNKNOWN_OFFSET): Define special value.
601 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
602 (solution_set_expand): New helper function split out from ...
603 (do_sd_constraint): ... here.
604 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
605 (do_ds_constraint): Likewise.
606 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
607 and CALLUSED = *CALLUSED.
608 (set_union_with_increment): Make inc argument signed.
610 (get_constraint_for_ptr_offset): Handle unknown and negative
612 (first_vi_for_offset): Handle offsets before start. Bail
613 out early for offsets beyond the variable extent.
614 (first_or_preceding_vi_for_offset): New function.
615 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
616 Together with ESCAPED = *ESCAPED this properly computes reachability.
617 (find_what_var_points_to): New function.
618 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
619 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
620 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
621 pt_solutions_intersect): New functions.
622 (compute_call_used_vars): Remove.
623 (compute_may_aliases): New main entry into PTA computation.
624 * gimple.h (gimple_p): New typedef.
625 (struct gimple_statement_base): Remove references_memory_p.
626 (struct gimple_statement_with_memory_ops_base): Remove
627 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
629 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
630 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
631 gimple_set_references_memory): Remove.
632 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
633 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
635 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
636 (verify_expr): Allow RESULT_DECL.
637 (gimple_duplicate_bb): Do not copy virtual operands.
638 (gimple_duplicate_sese_region): Adjust.
639 (gimple_duplicate_sese_tail): Likewise.
640 (mark_virtual_ops_in_region): Remove.
641 (move_sese_region_to_fn): Do not call it.
642 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
644 (execute_function_todo): Handle TODO_update_address_taken,
645 call execute_update_addresses_taken for TODO_rebuild_alias.
646 (execute_todo): Adjust.
647 (execute_one_pass): Init dump files early.
648 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
650 (create_general_new_stmt): Clear vops.
651 * tree-ssa-reassoc.c (get_rank): Adjust.
652 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
653 symbols for renaming.
654 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
655 (PARAM_AVG_ALIASED_VOPS): Likewise.
656 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
657 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
658 * tree-ssa-operands.c: Simplify for new virtual operand
660 (operand_build_cmp, copy_virtual_operands,
661 create_ssa_artificial_load_stmt, add_to_addressable_set,
662 gimple_add_to_addresses_taken): Remove public functions.
663 (unlink_stmt_vdef): New function.
665 2009-04-03 Alan Modra <amodra@bigpond.net.au>
667 * config.gcc (powerpc-*-linux*): Merge variants.
669 2009-04-02 Chao-ying Fu <fu@mips.com>
670 James Grosbach <james.grosbach@microchip.com>
672 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
673 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
675 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
676 keep_interrupts_masked_p, use_debug_exception_return_p.
677 (mips_attribute_table): Add interrupt, use_shadow_register_set,
678 keep_interrupts_masked, use_debug_exception_return.
679 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
680 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
682 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
683 (mips_print_operand): Process COP0 registers to print $0 .. $31
684 correctly for GAS to process.
685 (mips_interrupt_extra_call_saved_reg_p): New function.
686 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
688 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
689 (mips_compute_frame_info): Add supports for interrupt context that
690 includes doubleword accumulators and COP0 registers.
691 (mips_for_each_saved_acc): New function.
692 (mips_for_each_saved_gpr_and_fpr): Change the function name from
693 mips_for_each_saved_reg.
694 (mips_save_reg): Save accumulators.
695 (mips_kernel_reg_p): A new for_each_rtx callback.
696 (mips_expand_prologue): Support interrupt handlers.
697 (mips_restore_reg): Restore accumulators.
698 (mips_expand_epilogue): Support interrupt handlers.
699 (mips_can_use_return_insn): Return false for interrupt handlers.
700 (mips_epilogue_uses): New function.
701 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
702 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
703 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
704 cop0_move): New instructions.
705 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
706 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
708 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
710 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
711 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
712 interrupt handlers, we use K0 as the temporary register.
713 (EPILOGUE_USES): Change to a function call.
714 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
715 handlers, we use K0 as the temporary register.
717 * doc/extend.texi (Function Attributes): Document interrupt,
718 use_shadow_register_set, keep_interrupts_masked,
719 use_debug_exception_return for MIPS attributes.
721 2009-04-03 Alan Modra <amodra@bigpond.net.au>
723 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
724 Remove a number of t-files from tmake_file.
725 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
726 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
727 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
728 target_prototype, not TARGET_PROTOTYPE.
729 (LINK_OS_GNU_SPEC): Define.
730 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
731 and darwin-ldoubdle.c.
733 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
736 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
737 (cpp_options): Ditto.
738 (default_compilers): Ditto.
739 (display_help): Ditto.
740 (process_command): Ditto.
742 (set_input): Use lbasename instead of duplicate code.
743 (save_temps_prefix): New static for -save-temps=obj.
744 (save_temps_length): Ditto.
746 * doc/invoke.texi (-save-temps=obj): Document new variant to
749 2009-04-02 Jeff Law <law@redhat.com>
751 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
754 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
756 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
757 * configure: Regenerated.
759 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
761 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
762 share the argument list.
764 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
768 2009-02-12 Diego Novillo <dnovillo@google.com>
770 * varpool.c (debug_varpool): New.
771 * cgraph.h (debug_varpool): Declare.
773 2009-04-02 Jan Hubicka <jh@suse.cz>
775 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
778 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
780 * config/i386/i386.c (ix86_abi): Move initialization to ...
781 (override_options): Here.
783 2009-04-02 Christian Bruel <christian.bruel@st.com>
785 * config/sh/sh.c (sh_dwarf_register_span): New function.
786 (TARGET_DWARF_REGISTER_SPAN): Define.
787 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
789 2009-04-02 Ira Rosen <irar@il.ibm.com>
791 PR tree-optimization/39595
792 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
793 interleaved loads group is not greater than the SLP group size.
795 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
797 * builtins.c (is_builtin_name): New.
798 (called_as_built_in): Use is_builtin_name.
799 * tree.h (is_builtin_name): New.
800 * varasm.c (incorporeal_function_p): Use is_builtin_name
802 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
804 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
806 2009-04-02 Dodji Seketeli <dodji@redhat.com>
809 * c-decl.c: (clone_underlying_type): Move this ...
810 * c-common.c (set_underlying_type): ... here.
811 Also, make sure the function properly sets TYPE_STUB_DECL() on
812 the newly created typedef variant type.
813 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
814 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
816 2009-04-02 Richard Guenther <rguenther@suse.de>
818 PR tree-optimization/37221
819 * tree-flow.h (degenerate_phi_result): Declare.
820 * tree-ssa-dom.c (degenerate_phi_result): Export.
821 * tree-scalar-evolution.c (analyze_initial_condition): If
822 the initial condition is defined by a degenerate PHI node
823 use the degenerate value.
825 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
827 PR rtl-optimization/39588
828 * combine.c (merge_outer_ops): Do not set the constant when this
830 (simplify_shift_const_1): Do not modify it either in this case.
832 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
834 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
835 tuning is deprecated if -mtune value is set to an Itanium1 variant.
837 2009-04-01 Janis Johnson <janis187@us.ibm.com>
840 * c-lex.c (interpret_float): Default (no suffix) is double.
842 2009-04-1 Xinliang David Li <davidxl@google.com>
844 * config/i386/i386.c (legitimate_constant_p): Recognize
845 all one vector constant.
847 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
849 * gcc/config/vax/vax.c: Add #includes to silence warnings.
850 Change #include order to silence two warnings.
852 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
854 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
855 (ASM_SPEC): Pass -k to the assembler for PIC code.
857 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
859 * gcc/config.gcc: Add vax-*-linux* to the switch.
860 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
861 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
863 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
865 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
866 Use predicate macros instead of GET_CODE() == foo.
867 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
868 ashlsi3, rotrsi3, <unnamed>): Likewise.
870 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
872 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
873 jbbccihi, jbbccisi): Remova trailing whitespace.
874 * gcc/config/vax/constraints.md: Likewise.
875 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
876 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
877 * gcc/config/vax/predicates.md: Likewise.
878 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
879 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
880 * gcc/config/vax/vax.h: Likewise.
881 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
883 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
885 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
886 (indirectable_address_p, adjacent_operands_p): Add spaces around
888 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
890 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
892 * gcc/config/vax/vax.c (legitimate_constant_address_p,
893 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
894 index_term_p, reg_plus_index_p, legitimate_address_p,
895 vax_mode_dependent_address_p): Update comments to match functions
896 modified by the recent int->bool conversion.
898 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
900 * gcc/config/vax/builtins.md: Update copyright message.
901 * gcc/config/vax/constraints.md: Likewise.
902 * gcc/config/vax/netbsd-elf.h: Likewise.
903 * gcc/config/vax/predicates.md: Likewise.
904 * gcc/config/vax/vax-protos.h: Likewise.
905 * gcc/config/vax/vax.c: Likewise.
906 * gcc/config/vax/vax.h: Likewise.
907 * gcc/config/vax/vax.md: Likewise.
908 * gcc/config/vax/vax.opt: Likewise.
910 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
912 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
913 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
914 * gcc/config/vax/constraints.md (B, R): Likewise.
915 * gcc/config/vax/predicates.md (external_memory_operand,
916 nonimmediate_addsub_di_operand): Likewise.
917 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
918 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
919 untyped_call): Likewise.
921 2009-04-01 Matt Thomas <matt@3am-software.com>
923 * config/vax/predicates.md: New file. (symbolic_operand,
924 local_symbolic_operand, external_symbolic_operand,
925 external_const_operand, nonsymbolic_operand, external_memory_operand,
926 indirect_memory_operand, indexed_memory_operand,
927 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
928 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
930 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
931 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
932 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
933 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
934 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
935 * config/vax/vax.opt (mqmath): Add option.
936 * config/vax/vax.md (isfx): Extend with DI.
937 (VAXintQH, VAXintQHSD): Define.
938 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
939 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
940 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
941 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
942 (movdi): Update constraints and use vax_output_int_move().
943 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
944 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
945 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
947 (mov<mode>): Extend accepted operand types.
948 (subdi3_old): Rename from subdi3, change update constraints and use
949 a new implementation.
950 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
951 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
952 MOVE_RATIO, CLEAR_RATIO): Define.
953 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
954 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
955 (PRINT_OPERAND): Redefine using a function instead of inlined code.
956 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
957 (split_quadword_operands): Make static and really allow variable
959 (print_operand_address): Update for PIC generation.
960 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
961 indexable_address_p, fixup_mathdi_operand,
962 vax_expand_addsub_di_operands, adjacent_operands_p): New.
963 (vax_float_literal, legitimate_constant_p,
964 indirectable_constant_address_p, index_term_p,
965 reg_plus_index_p): Return bool instead of int.
966 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
968 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
970 (vax_output_conditional_branch): Indent.
971 (legitimate_constant_address_p, indirectable_constant_address_p,
972 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
973 vax_mode_dependent_address_p): Return bool instead of int, update for
975 * config/vax/vax-protos.h (legitimate_constant_address_p,
976 legitimate_constant_p, legitimate_address_p,
977 vax_mode_dependent_address_p): Change declaration to bool.
978 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
979 vax_expand_addsub_di_operands, vax_output_int_subtract,
980 vax_output_movmemsi): Declare.
981 (split_quadword_operands, vax_float_literal): Delete declaration.
982 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
983 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
984 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
985 ASM_OUTPUT_DWARF_PCREL): Define.
986 (ASM_SPEC): Change definition to allow PIC generation.
988 2009-04-01 Jakub Jelinek <jakub@redhat.com>
991 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
992 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
993 (booldi3_internal3): Use boolean_or_operator instead of
996 2009-04-01 Joseph Myers <joseph@codesourcery.com>
999 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1000 declarator whose size is not an integer constant expression but
1001 folds to an integer constant, then treat it as a constant
1004 2009-04-01 Richard Guenther <rguenther@suse.de>
1006 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1007 i * 4 + 2 to (i * 2 + 1) * 2.
1009 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1012 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1013 return if c_parser_asm_string_literal returned NULL.
1015 2009-04-01 Nick Clifton <nickc@redhat.com>
1017 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1019 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1020 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1021 other typedefs to avoid conflicts with libgcc2.c. Define labels
1022 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1024 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1025 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1028 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1030 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1032 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1033 Andrey Galkin <agalkin@hypercom.com>
1036 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1037 Make object_name unique for each process.
1039 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1042 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1043 addressable variables in the parallel that could go out of scope while
1044 running queued tasks.
1046 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1048 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1049 (CASE_VALUES_THRESHOLD): Redefine.
1050 * config/avr/avr.c (avr_override_options): Remove initialization of
1051 avr_case_values_threshold variable.
1052 (avr_case_values_threshold): Remove variable. Add new function.
1053 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1054 * config/avr/avr.opt (mno-tablejump): Remove option.
1055 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1057 2009-04-01 DJ Delorie <dj@redhat.com>
1059 * varasm.c (default_function_rodata_section): Don't assume
1060 anything about where the first '.' in the section name is.
1062 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1064 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1065 rs6000_emit_stack_tie.
1067 2009-03-31 Ian Lance Taylor <iant@google.com>
1069 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1070 gimple_code with GIMPLE_RESX, not RESX.
1072 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1074 * c-common.c (c_get_ident): New.
1075 (c_common_nodes_and_builtins): Call it for type names that may be
1078 2009-04-01 Ben Elliston <bje@au.ibm.com>
1080 * config/rs6000/sysv4.opt (msdata): Improve option description.
1082 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1084 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1085 (divdf3_internal_lat): Remove.
1086 (divxf3_internal_lat): Remove.
1087 (divxf3_internal_thr): Remove.
1088 (divxf): Use divxf3_internal.
1089 * config/ia64/div.md (divsf3_internal_lat): New.
1090 (divdf3_internal_lat): New.
1091 (divxf3_internal): New.
1093 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1096 * Makefile.in (USE_GCC_STDINT): Define.
1097 (stmp-int-hdrs): Install stdint.h if applicable.
1098 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1100 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1101 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1102 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1103 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1104 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1105 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1106 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1107 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1108 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1109 (c_common_nodes_and_builtins): Initialize
1110 underlying_wchar_type_node. Do not initialize
1111 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1112 nodes for new types.
1113 (c_stddef_cpp_builtins): Define macros for new types.
1114 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1116 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1117 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1118 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1119 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1120 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1121 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1122 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1123 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1124 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1125 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1126 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1127 int16_type_node, int32_type_node, int64_type_node,
1128 uint8_type_node, uint16_type_node, c_uint32_type_node,
1129 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1130 int_least32_type_node, int_least64_type_node,
1131 uint_least8_type_node, uint_least16_type_node,
1132 uint_least32_type_node, uint_least64_type_node,
1133 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1134 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1135 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1136 uintptr_type_node): Define.
1137 * c-cppbuiltin.c (builtin_define_constants,
1138 builtin_define_type_minmax): New.
1139 (builtin_define_stdint_macros): Define more macros.
1140 (c_cpp_builtins): Define more limit macros.
1142 (builtin_define_type_max): Define in terms of
1143 builtin_define_type_minmax. Remove is_long parameter. All
1145 * config.gcc (use_gcc_stdint): Define.
1146 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1147 Add newlib-stdint.h for generic targets.
1148 * config/glibc-stdint.h, config/newlib-stdint.h,
1149 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1150 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1151 * config/score/score.h (UINTPTR_TYPE): Define.
1152 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1153 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1154 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1155 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1156 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1157 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1158 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1159 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1160 * config/spu/spu.h (STDINT_LONG32): Define.
1161 * configure.ac (use_gcc_stdint): Substitute.
1162 * configure: Regenerate.
1163 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1164 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1165 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1166 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1167 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1168 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1169 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1170 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1171 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1172 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1173 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1174 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1175 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1176 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1177 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1178 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1179 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1180 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1181 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1182 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1183 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1184 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1185 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1186 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1187 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1188 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1189 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1190 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1191 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1193 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1195 * loop-iv.c (suitable_set_for_replacement): Renamed from
1196 simplify_using_assignment; changed to return bool and to accept new
1197 args DEST and SRC. Return true iff we find a source/destination pair
1198 that can be used to make a replacement, and fill SRC and DEST if so.
1199 Remove arg ALTERED. Don't deal with altered regs here. All callers
1201 (simplify_using_initial_values): Deal with altered regs here and track
1202 more precisely the effect they have on the validity of our expression.
1204 * loop-iv.c (simplify_using_condition): A condition of the form
1205 (EQ REG CONST) can be used to simply make a substitution.
1206 (simplify_using_initial_values): Keep track of conditions we have seen
1207 and keep using them to simplify new expressions, while applying the
1208 same substitutions to them as to the expression.
1210 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1211 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1214 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1215 changed. Use this when trying to improve the upper bound.
1216 Generate the comparison by using simplify_gen_relational.
1218 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1220 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1222 (simplify_using_assignment, simplify_using_initial_values): Call
1223 replace_in_expr to make replacements. Call replace_single_def_regs
1224 once on the initial version of the expression.
1226 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1229 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1231 2009-03-31 Richard Guenther <rguenther@suse.de>
1234 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1235 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1237 2009-03-31 Richard Guenther <rguenther@suse.de>
1239 * tree.h (div_if_zero_remainder): Declare.
1240 * fold-const.c (div_if_zero_remainder): Export.
1241 * tree-ssa-forwprop.c
1242 (forward_propagate_addr_into_variable_array_index): Handle
1243 constant array index addition outside of the variable index.
1245 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1248 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1249 define_splits, floatunssi<mode>2): Require x87 conversions from
1250 DImode to be permitted.
1252 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1254 PR preprocessor/15638
1255 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1257 2009-03-31 Richard Guenther <rguenther@suse.de>
1261 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1262 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1263 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1264 a separate statement.
1265 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1266 (lookup_tmp_var): Likewise.
1267 (is_gimple_formal_tmp_or_call_rhs): Remove.
1268 (is_gimple_reg_or_call_rhs): Rename to ...
1269 (is_gimple_reg_rhs_or_call): ... this.
1270 (is_gimple_mem_or_call_rhs): Rename to ...
1271 (is_gimple_mem_rhs_or_call): ... this.
1272 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1273 DECL_GIMPLE_REG_P only if is_formal is true.
1274 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1275 for non-proper post-modify expression gimplification.
1276 (gimplify_self_mod_expr): For post-modify expressions gimplify
1277 the lvalue to a minimal lvalue.
1278 (rhs_predicate_for): Remove formal temp case.
1279 (gimplify_modify_expr_rhs): Likewise.
1280 (gimplify_addr_expr): Use is_gimple_reg.
1281 (gimplify_expr): Remove formal temp cases.
1282 (gimple_regimplify_operands): Likewise.
1283 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1284 and FILTER_EXPR like constants.
1285 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1287 (is_gimple_formal_tmp_rhs): Remove.
1288 (is_gimple_reg_rhs): Remove special casing.
1289 (is_gimple_mem_rhs): Fix.
1290 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1291 (is_gimple_formal_tmp_var): Remove.
1292 (is_gimple_formal_tmp_reg): Likewise.
1293 (is_gimple_min_lval): Allow invariant component ref parts.
1294 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1295 is_gimple_formal_tmp_reg): Remove declarations.
1296 * tree-cfg.c (verify_expr): Verify that variables with address
1297 taken do not have DECL_GIMPLE_REG_P set.
1298 * tree-mudflap.c (mf_build_check_statement_for): Use
1299 force_gimple_operand instead of gimplify_expr.
1301 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1303 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1304 schedulable rows to compute_split_row.
1306 2009-03-31 Ben Elliston <bje@au.ibm.com>
1309 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1312 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1314 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1315 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1316 * configure: Regenerate.
1317 * config.in: Regenerate.
1318 * config/rs6000/rs6000.opt (mtls-markers): Add.
1319 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1320 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1321 (tls_ld_aix, tls_ld_sysv): Likewise.
1322 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1323 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1325 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1327 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1329 2009-03-30 Jan Hubicka <jh@suse.cz>
1331 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1333 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1334 detection and label handling.
1336 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1338 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1339 left_conflicts_size.
1340 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1341 ALLOCNO_LEFT_CONFLICTS_SIZE.
1343 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1344 remove_allocno_from_bucket_and_push,
1345 allocno_spill_priority_compare, push_allocnos_to_stack,
1346 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1347 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1348 (setup_allocno_left_conflicts_num): Ditto. Rename to
1349 setup_allocno_left_conflicts_size.
1350 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1351 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1352 setup_allocno_left_conflicts_size instead of
1353 setup_allocno_left_conflicts_num.
1355 * ira-build.c (ira_create_allocno): Use
1356 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1357 ALLOCNO_LEFT_CONFLICTS_NUM.
1359 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1361 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1362 instead of DF_LR_OUT.
1364 * ira-lives.c (process_bb_node_lives): Ditto.
1366 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1367 instead of DF_LR_{OUT,IN}.
1369 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1371 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1373 2009-03-30 Jan Hubicka <jh@suse.cz>
1375 * except.c (label_to_region_map): Fix thinko.
1377 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1380 * tree.h (tree_find_value): New declaration.
1381 * tree.c (tree_find_value): New function.
1382 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1384 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1387 * c-decl.c (struct c_binding): Add locus field.
1388 (bind): Add locus argument, set locus field from it.
1389 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1390 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1391 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1392 implicitly_declare, undeclared_variable, lookup_label,
1393 declare_label, c_make_fname_decl, c_builtin_function,
1394 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1397 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1400 * config/i386/i386.c (classify_argument): Check total size of
1403 2009-03-30 Martin Jambor <mjambor@suse.cz>
1405 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1406 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1407 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1410 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1411 seen_variable_array_ref while also traversing a union.
1413 * tree-inline.c (optimize_inline_calls): Do not call
1414 cgraph_node_remove_callees.
1415 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1416 (pass_remove_cgraph_callee_edges): New variable.
1417 * passes.c (init_optimization_passes): Add
1418 pass_remove_cgraph_callee_edges after early inlining and before all
1419 late intraprocedural passes.
1421 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1423 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1425 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1428 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1430 * combine.c (simplify_comparison): Use have_insn_for.
1431 * dojump.c (do_jump): Likewise.
1433 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1435 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1436 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1437 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1438 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1439 instead of sparc_compare_emitted.
1440 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1441 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1442 instead of sparc_compare_emitted.
1444 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1446 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1447 enter/exit cfglayout mode.
1448 (pass_partition_block): Require it.
1449 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1450 (combine_instructions): Track basic blocks instead of labels.
1451 (update_cfg_for_uncondjump): New.
1452 (try_combine): Use it. Update jumps after rescanning.
1453 (pass_combine): Require PROP_cfglayout.
1454 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1456 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1458 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1459 Provide/destroy PROP_cfglayout respectively.
1460 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1461 * tree-pass.h (PROP_cfglayout): New.
1463 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1465 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1466 fold_convert_const_fixed_from_fixed,
1467 fold_convert_const_fixed_from_int,
1468 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1469 set TREE_CONSTANT_OVERFLOW.
1470 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1471 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1473 2009-03-30 Ira Rosen <irar@il.ibm.com>
1475 * tree-vect-loop-manip.c: New file.
1476 * tree-vectorizer.c: Update documentation and included files.
1477 (vect_loop_location): Make extern.
1478 (rename_use_op): Move to tree-vect-loop-manip.c
1479 (rename_variables_in_bb, rename_variables_in_loop,
1480 slpeel_update_phis_for_duplicate_loop,
1481 slpeel_update_phi_nodes_for_guard1,
1482 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1483 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1484 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1485 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1486 find_loop_location): Likewise.
1487 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1488 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1489 get_vectype_for_scalar_type, vect_is_simple_use,
1490 supportable_widening_operation, supportable_narrowing_operation):
1492 (bb_in_loop_p): Move to tree-vect-loop.c.
1493 (new_loop_vec_info, destroy_loop_vec_info,
1494 reduction_code_for_scalar_code, report_vect_op,
1495 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1496 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1497 (vect_supportable_dr_alignment): Likewise.
1498 * tree-vectorizer.h (tree-data-ref.h): Include.
1499 (vect_loop_location): Declare.
1500 Reorganize function declarations according to the new file structure.
1501 * tree-vect-loop.c: New file.
1502 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1503 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1504 * tree-vect-data-refs.c: New file.
1505 * tree-vect-patterns.c (timevar.h): Don't include.
1506 * tree-vect-stmts.c: New file.
1507 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1508 tree-vect-slp.c, tree-vect-loop.c.
1509 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1510 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1511 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1512 (tree-vect-analyze.o): Remove.
1513 (tree-vect-transform.o): Likewise.
1514 (tree-vect-data-refs.o): Add rule.
1515 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1516 tree-vect-slp.o): Likewise.
1517 (tree-vect-patterns.o): Remove redundant dependencies.
1518 (tree-vectorizer.o): Likewise.
1519 * tree-vect-slp.c: New file.
1521 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1523 * optc-gen.awk: Warn if an option flag has multiple different
1526 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1528 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1529 -floop-block): Document dependences on PPL, CLooG and Graphite.
1531 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1533 PR rtl-optimization/323
1534 * c-common.c (c_fully_fold, convert_and_check,
1535 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1536 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1537 * c-common.def (EXCESS_PRECISION_EXPR): New.
1538 * c-cppbuiltin.c (builtin_define_float_constants): Define
1539 constants with enough digits for long double.
1540 * c-lex.c (interpret_float): Interpret constant with excess
1541 precision where appropriate.
1542 * c-opts.c (c_common_post_options): Set
1543 flag_excess_precision_cmdline. Give an error for
1544 -fexcess-precision=standard for C++ for processors where the
1545 option is significant.
1546 * c-parser.c (c_parser_conditional_expression): Handle excess
1547 precision in condition.
1548 * c-typeck.c (convert_arguments): Handle arguments with excess
1550 (build_unary_op): Move excess precision outside operation.
1551 (build_conditional_expr): Likewise.
1552 (build_compound_expr): Likewise.
1553 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1554 (build_modify_expr): Handle excess precision in RHS.
1555 (convert_for_assignment): Handle excess precision in converted
1557 (digest_init, output_init_element, process_init_element): Handle
1558 excess precision in initializer.
1559 (c_finish_return): Handle excess precision in return value.
1560 (build_binary_op): Handle excess precision in operands and add
1561 excess precision as needed for operation.
1562 * common.opt (-fexcess-precision=): New option.
1563 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1564 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1565 For standard excess precision, output explicit conversion to and
1566 truncation from XFmode.
1567 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1568 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1569 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1570 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1571 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1572 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1573 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1574 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1575 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1576 define_splits, sqrt<mode>2): Disable where appropriate for
1577 standard excess precision.
1578 * convert.c (convert_to_real): Do not shorten arithmetic to type
1579 for which excess precision would be used.
1580 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1581 * doc/invoke.texi (-fexcess-precision=): Document option.
1582 (-mfpmath=): Correct index entry.
1583 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1584 flag_excess_precision): New.
1585 * langhooks.c (lhd_post_options): Set
1586 flag_excess_precision_cmdline.
1587 * opts.c (common_handle_option): Handle -fexcess-precision=.
1588 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1589 init_excess_precision): New.
1590 (lang_dependent_init_target): Call init_excess_precision.
1591 * tree.c (excess_precision_type): New.
1592 * tree.h (excess_precision_type): Declare.
1594 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1597 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1598 non-lvalue to component.
1600 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1602 PR preprocessor/34695
1603 * Makefile.in (c-opts.o): Depend on c-tree.h.
1604 * c-common.c: Move down include of diagnostic.h.
1605 (done_lexing, c_cpp_error): New.
1606 * c-common.h (done_lexing): Declare.
1607 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1609 * c-opts.c: Include c-tree.h.
1610 (c_common_init_options): Set preprocessor error callback.
1611 (c_common_handle_option): Do not set preprocessor
1612 inhibit_warnings, warnings_are_errors, warn_system_headers,
1613 pedantic_errors or inhibit_warnings flags.
1614 (c_common_post_options): Do not check cpp_errors (parse_in).
1615 (c_common_finish): Do not output dependencies if there were
1616 errors. Do not check return value of cpp_finish.
1617 * c-ppoutput.c (pp_file_change): Set input_location.
1618 * c-tree.h (c_cpp_error): Declare.
1619 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1621 (diagnostic_build_prefix): Check override_column.
1622 * diagnostic.h (diagnostic_info): Add override_column field.
1623 (diagnostic_override_column): Define.
1625 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1627 * c-common.c (c_expand_expr, c_staticp): Remove.
1628 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1629 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1630 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1631 * c-gimplify.c (gimplify_compound_literal_expr,
1632 optimize_compound_literals_in_ctor): Remove.
1633 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1634 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1635 * c-semantics.c (emit_local_var): Remove.
1637 * langhooks-def.h (lhd_expand_expr): Remove.
1638 * langhooks.c (lhd_expand_expr): Remove.
1639 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1641 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1642 handling from c-semantics.c; don't call into langhook.
1643 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1644 * gimplify.c (gimplify_compound_literal_expr,
1645 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1646 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1647 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1648 as was done in c-gimplify.c.
1649 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1650 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1651 Move from c-common.h.
1652 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1654 * tree.c (staticp): Do not call langhook.
1655 * langhooks.c (lhd_staticp): Delete.
1656 * langhooks-def.h (lhd_staticp): Delete prototype.
1657 (LANG_HOOKS_STATICP): Delete.
1658 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1660 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1661 instead of DECL_STMTs.
1663 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1671 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1673 (fold_call_expr): Return a NOP_EXPR from folding rather than the
1674 contained expression.
1675 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1676 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
1677 conditional expressions for C.
1678 (decl_constant_value_for_optimization): Move from
1679 decl_constant_value_for_broken_optimization in c-typeck.c. Check
1680 whether optimizing and that the expression is a VAR_DECL not of
1681 array type instead of doing such checks in the caller. Do not
1682 check pedantic. Call gcc_unreachable for C++.
1683 * c-common.def (C_MAYBE_CONST_EXPR): New.
1684 * c-common.h (c_fully_fold, c_save_expr,
1685 decl_constant_value_for_optimization): New prototypes.
1686 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1687 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1688 EXPR_INT_CONST_OPERANDS): Define.
1689 * c-convert.c (convert): Strip nops from expression.
1690 * c-decl.c (groktypename): Take extra parameters expr and
1691 expr_const_operands. Update call to grokdeclarator.
1692 (start_decl): Update call to grokdeclarator. Add statement for
1693 expressions used in type of decl.
1694 (grokparm): Update call to grokdeclarator.
1695 (push_parm_decl): Update call to grokdeclarator.
1696 (build_compound_literal): Add parameter non_const and build a
1697 C_MAYBE_COSNT_EXPR if applicable.
1698 (grokdeclarator): Take extra parameters expr and
1699 expr_const_operands. Track expressions used in declaration
1700 specifiers and declarators. Fold array sizes and track whether
1701 they are constant expressions and whether they are integer
1702 constant expressions.
1703 (parser_xref_tag): Set expr and expr_const_operands fields in
1705 (grokfield): Update call to grokdeclarator.
1706 (start_function): Update call to grokdeclarator.
1707 (build_null_declspecs): Set expr and expr_const_operands fields in
1709 (declspecs_add_type): Handle expressions in typeof specifiers.
1710 * c-parser.c (c_parser_declspecs): Set expr and
1711 expr_const_operands fields for declaration specifiers.
1712 (c_parser_enum_specifier): Likewise.
1713 (c_parser_struct_or_union_specifier): Likewise.
1714 (c_parser_typeof_specifier): Likewise. Update call to
1715 groktypename. Fold expression as needed. Return expressions with
1716 type instead of adding statements.
1717 (c_parser_attributes): Update calls to c_parser_expr_list.
1718 (c_parser_statement_after_labels): Fold expression before passing
1719 to objc_build_throw_stmt.
1720 (c_parser_condition): Fold expression.
1721 (c_parser_asm_operands): Fold expression.
1722 (c_parser_conditional_expression): Use c_save_expr. Update call
1723 to build_conditional_expr.
1724 (c_parser_alignof_expression): Update call to groktypename.
1725 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1726 original_code. Fold expression argument of va_arg. Create
1727 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1728 argument to va_arg. Update calls to groktypename. Fold array
1729 index for offsetof. Verify that first argument to
1730 __builtin_choose_expr has integer type.
1731 (c_parser_postfix_expression_after_paren_type): Update calls to
1732 groktypename and build_compound_literal. Handle expressions with
1733 side effects in type name.
1734 (c_parser_postfix_expression_after_primary): Update call to
1735 c_parser_expr_list. Set original_code for calls to
1736 __builtin_constant_p.
1737 (c_parser_expr_list): Take extra parameter fold_p. Fold
1738 expressions if requested.
1739 (c_parser_objc_type_name): Update call to groktypename.
1740 (c_parser_objc_synchronized_statement): Fold expression.
1741 (c_parser_objc_receiver): Fold expression.
1742 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1743 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1744 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1745 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1746 (struct c_typespec): Add elements expr and expr_const_operands.
1747 (struct c_declspecs): Add elements expr and expr_const_operands.
1748 (groktypename, build_conditional_expr, build_compound_literal):
1750 (in_late_binary_op): Declare.
1751 * c-typeck.c (note_integer_operands): New function.
1752 (in_late_binary_op): New variable.
1753 (decl_constant_value_for_broken_optimization): Move to c-common.c
1754 and rename to decl_constant_value_for_optimization.
1755 (default_function_array_conversion): Do not strip nops.
1756 (default_conversion): Do not call
1757 decl_constant_value_for_broken_optimization.
1758 (build_array_ref): Do not fold result.
1759 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
1760 result when operand is a VLA.
1761 (c_expr_sizeof_type): Update call to groktypename. Handle
1762 expressions included in type name. Use C_MAYBE_CONST_EXPR for
1763 result when operand names a VLA type.
1764 (build_function_call): Update call to build_compound_literal.
1765 Only fold result for calls to __builtin_* functions. Strip
1766 NOP_EXPR from INTEGER_CST returned from such functions. Fold
1767 the function designator.
1768 (convert_arguments): Fold arguments. Update call to
1769 convert_for_assignment.
1770 (build_unary_op): Handle increment and decrement of
1771 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
1772 decrement earlier. Fold operand of increment and decrement.
1773 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
1774 built for integer operand. Wrap returns that are INTEGER_CSTs
1775 without being integer constant expressions or that have integer
1776 constant operands without being INTEGER_CSTs.
1777 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1778 (build_conditional_expr): Add operand ifexp_bcp. Track whether
1779 result is an integer constant expression or can be used in
1780 unevaluated parts of one and avoid folding and wrap as
1781 appropriate. Fold operands before possibly doing -Wsign-compare
1783 (build_compound_expr): Wrap result for C99 if operands can be used
1784 in integer constant expressions.
1785 (build_c_cast): Update call to digest_init. Do not ignore
1786 overflow from casting floating-point constants to integers. Wrap
1787 results that could be confused with integer constant expressions,
1788 null pointer constants or floating-point constants.
1789 (c_cast_expr): Update call to groktypename. Handle expressions
1790 included in type name.
1791 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
1792 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
1793 Update calls to convert_for_assignment.
1794 (convert_for_assignment): Take new parameter
1795 null_pointer_constant. Do not strip nops or call
1796 decl_constant_value_for_broken_optimization. Set
1797 in_late_binary_op for conversions to boolean.
1798 (store_init_value): Update call to digest_init.
1799 (digest_init): Take new parameter null_pointer_constant. Do not
1800 call decl_constant_value_for_broken_optimization. pedwarn for
1801 initializers not constant expressions. Update calls to
1802 convert_for_assignment.
1803 (constructor_nonconst): New.
1804 (struct constructor_stack): Add nonconst element.
1805 (really_start_incremental_init, push_init_level, pop_init_level):
1806 Handle constructor_nonconst and nonconst element.
1807 (set_init_index): Call constant_expression_warning for array
1809 (output_init_element): Fold value. Set constructor_nonconst as
1810 applicable. pedwarn for initializers not constant expressions.
1811 Update call to digest_init. Call constant_expression_warning
1812 where constant initializers are required.
1813 (process_init_element): Use c_save_expr.
1814 (c_finish_goto_ptr): Fold expression.
1815 (c_finish_return): Fold return value. Update call to
1816 convert_for_assignment.
1817 (c_start_case): Fold switch expression.
1818 (c_process_expr_stmt): Fold expression.
1819 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1820 ensure statement expression is not evaluated in constant expression.
1821 (build_binary_op): Track whether results are integer constant
1822 expressions or may occur in such, disable folding and wrap results
1823 as applicable. Fold operands for -Wsign-compare warnings unless
1825 (c_objc_common_truthvalue_conversion): Handle results folded to
1826 integer constants that are not integer constant expressions.
1827 * doc/extend.texi: Document when typeof operands are evaluated,
1828 that condition of __builtin_choose_expr is an integer constant
1829 expression, and more about use of __builtin_constant_p in
1832 2009-03-29 Richard Guenther <rguenther@suse.de>
1834 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1835 propagate addresses of array references.
1837 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
1839 * regmove.c (perhaps_ends_bb_p): Remove.
1840 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
1841 from INSN and check that the main loop stays within that basic block.
1842 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1843 (regmove_forward_pass): Split out from regmove_optimize. Use
1844 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1845 (regmove_backward_pass): Split out from regmove_optimize. Use
1846 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1847 (regmove_optimize): Simplify.
1849 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1852 * config/i386/i386.c (classify_argument): Ignore flexible array
1853 member in struct and warn ABI change.
1855 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1857 * config/i386/i386-protos.h (ix86_agi_dependent): New.
1859 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1860 (ix86_adjust_cost): Updated.
1862 2009-03-29 Jan Hubicka <jh@suse.cz>
1865 * tree-pass.h (pass_cleanup_eh): New function.
1866 (remove_unreachable_regions): Break code handling RTL
1867 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1868 that can not be reached by runtime.
1869 (can_be_reached_by_runtime): New function.
1870 (label_to_region_map): New function.
1871 (num_eh_regions): New function.
1872 (rtl_remove_unreachable_regions): New function.
1873 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1874 (remove_eh_region): New function.
1875 * except.h: Include sbitmap and vecprim.
1876 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1877 num_eh_regions): Declare.
1878 * passes.c (init_optimization_passes): Schedule cleanup_eh.
1879 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1880 * tree-eh.c (tree_remove_unreachable_handlers): New function.
1881 (tree_empty_eh_handler_p): New function.
1882 (cleanup_empty_eh): New function.
1883 (cleanup_eh): New function.
1884 (pass_cleanup_eh): New function.
1886 2009-03-29 Jan Hubicka <jh@suse.cz>
1888 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1889 for removed regions.
1891 2009-03-29 Jan Hubicka <jh@suse.cz>
1893 * except.c (dump_eh_tree): Dump all datastructures.
1895 2009-03-29 Jan Hubicka <jh@suse.cz>
1897 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1898 (duplicate_eh_regions_1): Likewise.
1899 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1900 vector; call EH verification.
1901 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1902 Be ready for region being removed.
1904 2009-03-29 Jan Hubicka <jh@suse.cz>
1906 * bitmap.c (bitmap_last_set_bit): New function.
1907 * bitmap.h (bitmap_last_set_bit): Declare.
1909 2009-03-29 David Ayers <ayers@fsfe.org>
1912 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1913 by calling objc_compare_types and surpress warnings about
1914 incompatible C pointers that are compatible ObjC pointers.
1916 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
1918 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1919 call initialize_inline_failed.
1920 (initialize_inline_failed): Move it from here ...
1921 * cgraph.c (initialize_inline_failed): ... to here.
1922 (cgraph_create_edge): Call initialize_inline_failed rather than
1923 setting inline_failed directly.
1925 2009-03-29 Ben Elliston <bje@au.ibm.com>
1928 * sysv4.opt (msdata): Improve comment.
1929 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1930 * sysv4.h (SVR4_ASM_SPEC): Likewise.
1932 2009-03-29 Ben Elliston <bje@au.ibm.com>
1935 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1936 load and store attributes.
1938 2009-03-29 Ben Elliston <bje@au.ibm.com>
1940 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1941 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1942 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1943 * doc/extend.texi (X86 Built-in Functions): Add index entries for
1944 __builtin_infq and __builtin_huge_valq.
1946 2009-03-28 Anatoly Sokolov <aesok@post.ru>
1948 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1950 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1951 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1953 2009-03-28 Xinliang David Li <davidxl@google.com>
1955 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
1956 (do_dbg_cnt): New function.
1958 2009-03-28 Jan Hubicka <jh@suse.cz>
1960 Merge from pretty-ipa:
1962 2009-03-27 Jan Hubicka <jh@suse.cz>
1964 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1965 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1966 * passes.c (function_called_by_processed_nodes_p): New.
1967 * ipa-pure-const.c (check_call): Fix handling of operands.
1968 (analyze_function): Dump debug output for skipped bodies.
1969 (local_pure_const): Use function_called_by_processed_nodes_p.
1970 * dwarf2out.c (reference_to_unused): Use output.
1971 * passes.c (do_per_function_toporder): Likewise.
1973 2008-11-12 Jan Hubicka <jh@suse.cz>
1975 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
1976 * ipa-pure-const.c (funct_state_d): Add can throw field; make
1977 state_set_in_source enum
1978 (check_decl): Ignore memory tags; do not set fake looping flags;
1980 (check_operand, check_tree, check_rhs_var, check_lhs_var,
1981 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
1982 (check_call, analyze_function): Rewrite.
1984 (add_new_function): Update call of analyze_function.
1985 (generate_summary): Add call of analyze_function.
1986 (propagate): Propagate can_throw; handle state_set_in_source correctly.
1987 (local_pure_const): New function.
1988 (pass_local_pure_const): New pass.
1989 * ipa-inline.c (inline_transform): Set after_inlining.
1990 * tree-eh.c (stmt_can_throw_external): New.
1991 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
1992 work with aliasing built.
1993 * tree-flow.h (stmt_can_throw_external): New.
1994 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
1995 and local pure/const pass in early and late optimization queue.
1997 2009-03-28 Martin Jambor <mjambor@suse.cz>
1999 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2001 (fold_binary): Allow function decl aligment consideration is the
2002 second argument is integer constant one.
2003 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2004 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2005 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2007 2009-03-28 Jan Hubicka <jh@suse.cz>
2009 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2010 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2011 * function.h (rtl_data): Add nothrow flag.
2012 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2013 set DECL_NOTHROW for AVAILABLE functions.
2015 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2017 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2018 following vector keyword has expansion starting with pixel or bool
2019 keyword, expand vector to __vector and pixel or bool to __pixel or
2023 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2024 warn_if_disallowed_function_p): Removed.
2025 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2026 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2027 warning_if_disallowed_function_p.
2028 * flags.h (warn_if_disallowed_function_p,
2029 warn_disallowed_functions): Removed.
2030 * common.opt (Wdisallowed-function-list=): Removed.
2031 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2033 2009-03-28 Richard Guenther <rguenther@suse.de>
2035 PR tree-optimization/38723
2036 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2039 2009-03-28 Jan Hubicka <jh@suse.cz>
2041 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2042 test introduced by my previous patch.
2044 2009-03-28 Richard Guenther <rguenther@suse.de>
2046 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2047 the PHIs value undefined.
2049 2009-03-28 Jan Hubicka <jh@suse.cz>
2051 * tree-pass.h (pass_fixup_cfg): New pass.
2052 * ipa-inline.c (inline_transform): Set
2053 always_inline_functions_inlined/after_inlining.
2054 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2055 (pass_fixup_cfg): New pass.
2056 * passes.c (init_optimization_passes): Add fixup_cfg.
2058 2009-03-28 Richard Guenther <rguenther@suse.de>
2060 PR tree-optimization/38458
2061 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2062 argument use the arguments copy-of value.
2064 2009-03-28 Richard Guenther <rguenther@suse.de>
2066 PR tree-optimization/38180
2067 * tree-ssa-ccp.c (get_default_value): Simplify.
2068 (likely_value): Likewise.
2069 (surely_varying_stmt_p): Properly handle VOP case.
2070 (ccp_initialize): Likewise.
2071 (ccp_fold): Handle propagating through *&.
2072 (fold_const_aggregate_ref): Also handle decls.
2074 2009-03-28 Jan Hubicka <jh@suse.cz>
2076 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2077 * cgraph.h (cgraph_node): Likewise.
2078 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2079 (cgraph_reset_node): Use process flag.
2080 (cgraph_mark_functions_to_output): Likewise.
2081 (cgraph_expand_function): Likewise.
2082 (cgraph_expand_all_functions): Likewise.
2083 (cgraph_output_in_order): Likewise.
2084 * dwarf2out.c (reference_to_unused): Likewise.
2085 * passes.c do_per_function_toporder): Likewise.
2087 2009-03-28 Jan Hubicka <jh@suse.cz>
2089 Bring from lto-branch:
2091 2008-09-03 Doug Kwan <dougkwan@google.com>
2093 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2094 enums instead of reason strings.
2095 * cgraph.c (cgraph_create_edge): Same.
2096 (cgraph_inline_failed_string): New function.
2097 * cgraph.h (cgraph_inline_failed_t): New enum type.
2098 (cgraph_inline_failed_string): New prototype.
2099 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2100 char pointer to cgraph_inline_failed_t.
2101 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2102 (cgraph_default_inline_p): Ditto.
2103 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2104 to cgraph_inline_failed_t pointer.
2105 * cif-code.def: New file.
2106 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2108 (cgraph_check_inline_limits): Change type of REASON to pointer to
2109 cgraph_inline_failed_t. Replace reason strings with enums.
2110 (cgraph_default_inline_p): Ditto.
2111 (cgraph_recursive_inlining_p): Ditto.
2112 (update_caller_keys): Change type of FAILED_REASON to
2113 cgraph_inline_failed_t.
2114 (cgraph_set_inline_failed): Change type of REASON to pointer to
2115 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2116 convert enums to strings for text output.
2117 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2118 to be of type cgraph_inline_failed_t. Replace reason strings with
2119 enums. Call cgraph_inline_failed_string to covert enums
2120 to strings for text output.
2121 (cgraph_decide_inlining): Replace reason strings with enums.
2122 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2123 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2125 * tree-inline.c (expand_call_inline): Change type of REASON
2126 to cgraph_inline_failed_t. Replace reason strings with enums.
2127 Call cgraph_inline_failed_string for text output.
2128 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2131 2009-03-28 Jan Hubicka <jh@suse.cz>
2133 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2134 cgraph_clone_node): Remove master clone handling.
2135 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2136 * cgraph.h (master_clone): Remove.
2137 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2138 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2139 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2141 2009-03-28 Jan Hubicka <jh@suse.cz>
2143 * cgraph.c (cgraph_function_body_availability): Functions declared
2144 inline are always safe to assume that it is not going to be replaced.
2146 2009-03-28 Richard Guenther <rguenther@suse.de>
2148 PR tree-optimization/38513
2149 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2150 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2151 EXC_PTR_EXPR and FILTER_EXPR.
2152 (get_ref_from_reference_ops): Likewise.
2154 2009-03-28 Richard Guenther <rguenther@suse.de>
2156 PR tree-optimization/38968
2157 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2158 Use FLOOR_MOD_EXPR to compute misalignment.
2160 2009-03-28 Richard Guenther <rguenther@suse.de>
2162 PR tree-optimization/37795
2163 * tree.h (combine_comparisons): Declare.
2164 * fold-const.c (combine_comparisons): Export.
2165 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2167 (ifcombine_iforif): Use combine_comparisons.
2169 2009-03-28 Jan Hubicka <jh@suse.cz>
2171 * tree-eh.c (inlinable_call_p): New function.
2172 (make_eh_edges): Use it.
2173 (verify_eh_edges): Use it.
2174 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2175 * except.c (reachable_next_level): Add inlinable_function argument
2176 (sjlj_find_directly_reachable_regions): Update.
2177 (add_reachable_handler): Do not set saw_any_handlers.
2178 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2179 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2180 Add new inlinable call parameter.
2181 (can_throw_internal, can_throw_external): Update.
2182 * except.h (can_throw_internal_1, can_throw_external_1,
2183 foreach_reachable_handler): Update declaration.
2185 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2187 * config/arm/t-arm-coff, config/h8300/coff.h,
2188 config/i386/i386-aout.h, config/i386/i386-coff.h,
2189 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2190 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2191 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2192 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2193 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2194 sys-types.h: Remove.
2195 * Makefile.in: Remove protoize and fixproto support and references
2197 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2198 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2200 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2201 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2202 unprotoize$(exeext).
2203 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2204 (.PHONY): Don't depend on proto.
2205 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2206 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2207 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2208 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2209 build/gen-protos.o, build/scan.o, xsys-protos.h,
2210 build/fix-header$(build_exeext), build/fix-header.o,
2211 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2212 stmp-install-fixproto): Remove.
2213 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2214 SYSCALLS.c or fixproto files.
2215 (install-common): Don't install protoize.
2216 (install-headers-tar, install-headers-cpio, install-headers-cp):
2217 Don't depend on $(STMP_FIXPROTO).
2218 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2219 install fixproto files or write out fixproto settings.
2220 (uninstall): Don't uninstall protoize.
2221 * config.gcc (use_fixproto): Remove.
2222 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2223 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2224 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2225 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2226 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2227 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2228 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2229 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2230 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2231 * config/t-vxworks (STMP_FIXPROTO): Remove.
2232 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2233 STMP_FIXPROTO): Remove.
2234 * config.in, configure: Regenerate.
2235 * crtstuff.c (gid_t, uid_t): Don't undefine.
2236 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2237 (arm-*-coff, arm-*-aout: Remove target entries.
2238 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2239 Remove mention of AIX 4.1.
2240 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2241 * doc/invoke.texi (Running Protoize): Remove.
2242 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2243 (Protoize Caveats): Remove.
2244 * tsystem.h: Update comments on headers assumed to exist.
2246 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2248 * genautomata.c: Add a new year to the copyright. Add a new
2250 (struct insn_reserv_decl): Add comments for member bypass_list.
2251 (find_bypass): Remove.
2252 (insert_bypass): New.
2253 (process_decls): Use insert_bypass.
2254 (output_internal_insn_latency_func): Output all bypasses with the
2255 same input insn in one switch case.
2257 * rtl.def (define_bypass): Describe bypass choice.
2258 * doc/md.texi (define_bypass): Ditto.
2260 2009-03-27 Richard Guenther <rguenther@suse.de>
2262 * gimplify.c (mark_addressable): Export.
2263 * tree-flow.h (mark_addressable): Declare.
2264 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2265 * tree-ssa.c (verify_phi_args): Verify that address taken
2266 variables have TREE_ADDRESSABLE set.
2268 2009-03-27 Richard Guenther <rguenther@suse.de>
2270 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2271 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2272 Do not mark decls TREE_ADDRESSABLE.
2273 (build_fold_addr_expr): Adjust.
2274 (fold_addr_expr): Remove.
2275 (fold_unary): Use build_fold_addr_expr.
2276 (fold_comparison): Likewise.
2277 (split_address_to_core_and_offset): Likewise.
2278 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2280 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2281 (gimplify_modify_expr_to_memcpy): Mark source and destination
2283 * omp-low.c (create_omp_child_function): Mark the object decl
2285 (lower_rec_input_clauses): Mark the var we take the address of
2287 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2289 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2292 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2293 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2295 2009-03-27 Richard Guenther <rguenther@suse.de>
2297 PR tree-optimization/39120
2298 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2300 (handle_lhs_call): Process return constraints. Add escape
2301 constraints if necessary.
2302 (handle_const_call): Fill out return constraints. Make nested
2303 case more precise. Avoid consttmp if possible.
2304 (handle_pure_call): Fill out return constraints. Avoid
2305 callused if possible.
2306 (find_func_aliases): Simplify call handling.
2308 2009-03-27 Richard Guenther <rguenther@suse.de>
2310 PR tree-optimization/39120
2311 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2312 as a representative.
2313 (solve_graph): Do propagate CALLUSED.
2314 (handle_pure_call): Use a scalar constraint from CALLUSED for
2316 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2319 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2322 * c-common.c (handle_aligned_attribute): Properly check alignment
2323 overflow. Use (1U << i) instead of (1 << i).
2325 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2327 * expr.h (get_mem_align_offset): Updated.
2329 * tree.h (tree_decl_common): Change align to "unsigned int" and
2330 move it before pointer_alias_set.
2332 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2333 Jakub Jelinek <jakub@redhat.com>
2336 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2337 gr_register_operand with gr_reg_or_0_operand.
2338 (cmpxchg_rel_di): Likewise.
2339 (sync_lock_test_and_set<mode>): Likewise.
2341 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2343 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2344 (true_regnum): Likewise.
2346 * rtlanal.c (subreg_info): Moved to ...
2347 * rtl.h (subreg_info): Here. New.
2348 (subreg_get_info): New.
2350 * rtlanal.c (subreg_get_info): Make it extern.
2352 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2355 * config/i386/i386.c (ix86_abi): New.
2356 (override_options): Handle -mabi=.
2357 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2358 (ix86_call_abi_override): Likewise.
2359 (init_cumulative_args): Likewise.
2360 (function_arg_advance): Likewise.
2361 (function_arg_64): Likewise.
2362 (function_arg): Likewise.
2363 (ix86_pass_by_reference): Likewise.
2364 (ix86_function_value_regno_p): Likewise.
2365 (ix86_build_builtin_va_list_abi): Likewise.
2366 (setup_incoming_varargs_64): Likewise.
2367 (is_va_list_char_pointer): Likewise.
2368 (ix86_init_machine_status): Likewise.
2369 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2370 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2371 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2372 (ix86_function_abi): Make it static and return enum calling_abi.
2373 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2375 (ix86_fn_abi_va_list): Updated.
2377 * config/i386/i386.h (ix86_abi): New.
2378 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2379 (CONDITIONAL_REGISTER_USAGE): Likewise.
2380 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2381 (machine_function): Likewise.
2383 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2385 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2386 (STACK_BOUNDARY): Likewise.
2387 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2389 * config/i386/i386.opt (mabi=): New.
2391 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2392 return enum calling_abi.
2393 (ix86_function_type_abi): Likewise.
2394 (ix86_function_abi): Removed.
2396 * doc/invoke.texi: Document -mabi= option for x86.
2398 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2400 * builtins.c (real_dconstp): Delete.
2401 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2403 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2404 Jakub Jelinek <jakub@redhat.com>
2407 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2408 (gen_subprogram_die): When a function is explicit, generate the
2409 DW_AT_explicit attribute.
2410 * langhooks.h (struct lang_hooks_for_decls): Add
2411 function_decl_explicit_p langhook.
2412 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2413 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2415 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2417 * builtins.c (fold_builtin_memory_op): Optimize memmove
2418 into memcpy if we can prove source and destination don't overlap.
2420 * tree-inline.c: Include gt-tree-inline.h.
2421 (clone_fn_id_num): New variable.
2422 (clone_function_name): New function.
2423 (tree_function_versioning): Use it.
2424 * Makefile.in (GTFILES): Add tree-inline.c.
2426 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2428 * BASE-VER: Change to 4.5.0.
2430 2009-03-27 Xinliang David Li <davidxl@google.com>
2432 PR tree-optimization/39557
2433 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2435 2009-03-27 Xinliang David Li <davidxl@google.com>
2437 PR tree-optimization/39548
2438 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2441 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2443 * c-common.c (pointer_int_sum): Use %wd on return from
2446 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2448 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2449 on return from tree_low_cst.
2451 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2454 * ginclude/stdarg.h (va_copy): Define also for
2455 __GXX_EXPERIMENTAL_CXX0X__.
2457 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2460 * builtins.h (c_strlen): Do not warn here.
2461 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2462 * c-common.c (pointer_int_sum): Take an explicit location.
2463 Warn about offsets out of bounds.
2464 * c-common.h (pointer_int_sum): Adjust declaration.
2466 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2468 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2471 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2474 * opts.c (warn_if_disallowed_function_p): Don't assume
2475 get_callee_fndecl must return non-NULL.
2477 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2479 PR rtl-optimization/39522
2480 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2481 when reg_reloaded_valid is set.
2483 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2485 * config/spu/divv2df3.c: New file.
2486 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2487 (DPBIT_FUNCS): Filter out _div_df.
2489 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2491 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2492 a jump insn, count that jump in the distance to the loop start.
2494 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2497 * config/sh/sh.c (calc_live_regs): Fix condition for global
2498 registers except PIC_OFFSET_TABLE_REGNUM.
2500 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2503 * doc/invoke.texi (-mconsole): New.
2507 (-mnop-fun-dllimport): New.
2511 (sub section "i386 and x86-64 Windows Options"): New.
2513 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2515 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2516 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2518 2009-03-25 Richard Guenther <rguenther@suse.de>
2521 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2524 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2526 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2527 neither of haifa/selective schedulers are working.
2529 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2531 * doc/invoke.texi (Debugging Options): Fix description of
2532 -fno-merge-debug-strings.
2534 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2536 * config/cris/libgcc.ver: New version-script.
2537 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2539 * configure.ac <GAS features, nop mnemonic>: Add pattern
2540 crisv32-*-* for "nop".
2541 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2542 * configure: Regenerate.
2544 2009-03-24 Ira Rosen <irar@il.ibm.com>
2546 PR tree-optimization/39529
2547 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2548 mark_sym_for_renaming for the tag copied to the new vector
2551 2009-03-24 Arthur Loiret <aloiret@debian.org>
2553 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2554 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2555 EXTRA_SPEC_FUNCTIONS.
2556 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2557 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2558 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2559 -march and -mtune options.
2561 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2563 * config/m68k/t-rtems: Add m5329 multilib.
2565 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2566 Jakub Jelinek <jakub@redhat.com>
2569 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2572 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2575 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2576 instead of c_parser_expression_conv, if original_code isn't one of the
2577 4 allowed comparison codes, fail.
2579 2009-03-23 Richard Guenther <rguenther@suse.de>
2581 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2582 * tree.h (struct tree_type): Likewise.
2583 * reload.h (struct insn_chain): Likewise.
2584 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2585 * function.h (struct function): Likewise.
2586 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2588 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2590 PR tree-optimization/39516
2591 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2593 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2595 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2596 should be set true if BITS_PER_WORD of target is bigger than 32
2598 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2600 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2601 Translate -B-options to -rpath-link. Correct existing
2602 rpath-link and conditionalize on !nostdlib.
2604 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2606 * doc/extend.texi (Function Attributes, Variable Attributes):
2608 * doc/invoke.texi (Debugging Options, Optimize Options)
2609 (i386 and x86-64 Options, MCore Options): Likewise.
2611 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2614 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2615 it for block local namespace aliases.
2616 (gen_decl_die): Pass context_die to gen_namespace_die.
2618 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2621 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2622 minimum or maximum value.
2624 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2626 * reginfo.c (globalize_reg): Recompute derived reg sets.
2628 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2631 * libgcc2.c (mprotect): Do not use signed arguments for
2632 VirtualProtect, use DWORD arguments. Also fix the 'may
2633 be used uninitialized' warning for the np variable.
2635 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2638 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2639 functions using regparm calling conventions when not optimizing.
2640 (ix86_function_sseregparm): Similarly for sseregparm calling
2643 2009-03-19 Li Feng <nemokingdom@gmail.com>
2646 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2647 dependence if the first conflict is after niter iterations.
2649 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
2652 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2653 functions with dynamic stack-pointer adjustments.
2655 2009-03-19 Ben Elliston <bje@au.ibm.com>
2657 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2658 option; change to -msdata=data.
2660 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2662 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2665 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
2668 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2670 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
2672 * doc/invoke.texi (Code Gen Options): Expand discussion of
2675 2009-03-18 Jakub Jelinek <jakub@redhat.com>
2677 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2678 * matrix-reorg.c (struct matrix_info): Likewise.
2679 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2680 * rtl.h (struct mem_attrs): Likewise.
2681 * df.h (struct df): Likewise.
2682 * tree-data-ref.h (struct data_dependence_relation): Likewise.
2683 * ira-int.h (struct ira_allocno): Likewise.
2684 * df-scan.c (struct df_collection_rec): Likewise.
2685 * ira.c (struct equivalence): Likewise.
2686 * function.c (struct temp_slot): Likewise.
2687 * cfgloop.h (struct loop): Likewise.
2690 * function.c (use_register_for_decl): When not optimizing, disregard
2691 register keyword for variables with types containing methods.
2693 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
2696 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2697 (is_simple_operand): Call contains_component_ref_p before calling data
2698 reference analysis that would fail on COMPONENT_REFs.
2700 * tree-vrp.c (search_for_addr_array): Fix formatting.
2702 2009-03-18 Richard Guenther <rguenther@suse.de>
2704 * tree-vect-transform.c (vect_loop_versioning): Fold the
2705 generated comparisons.
2706 * tree-vectorizer.c (set_prologue_iterations): Likewise.
2707 (slpeel_tree_peel_loop_to_edge): Likewise.
2709 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2712 * opts.c (print_specific_help): In addition to `undocumented',
2713 accept `separate' and `joined' flags if passed alone. Describe
2714 output by the first matched one of those.
2715 (common_handle_option): Skip over empty strings.
2716 * gcc.c (display_help): Fix help string for `--help='.
2717 * doc/invoke.texi (Option Summary, Overall Options): With
2718 `--help=', classes and qualifiers can both be repeated, but
2719 only the latter can be negated. One should not pass only
2720 negated qualifiers. Fix markup and examples.
2723 2008-10-14 Jakub Jelinek <jakub@redhat.com>
2725 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2726 and -fhelp=separate.
2728 2009-03-17 Jing Yu <jingyu@google.com>
2731 * function.h (struct rtl_data): Move is_thunk from here...
2732 (struct function): ...to here.
2733 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2734 * varasm.c (assemble_start_function): Change is_thunk from crtl to
2736 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2738 (alpha_does_function_need_gp, alpha_start_function): Likewise.
2739 (alpha_output_function_end_prologue): Likewise.
2740 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2741 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2742 (rs6000_output_function_epilogue): Likewise.
2743 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2745 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
2748 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2749 from different units in a single alternative.
2750 (*truncdfsf_i387): Ditto.
2751 (*truncxfsf2_mixed): Ditto.
2752 (*truncxfdf2_mixed): Ditto.
2754 2009-03-17 Jakub Jelinek <jakub@redhat.com>
2756 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2757 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2760 * tree-ssa-live.c (remove_unused_locals): Don't remove local
2761 unused non-artificial variables when not optimizing.
2764 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2765 DW_TAG_imported_module even if decl is IMPORTED_DECL with
2766 NAMESPACE_DECL in its DECL_INITIAL.
2769 * optabs.c (set_user_assembler_libfunc): New function.
2770 * expr.h (set_user_assembler_libfunc): New prototype.
2771 * c-common.c: Include libfuncs.h.
2772 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2773 for memcmp, memset, memcpy, memmove and abort.
2774 * Makefile.in (c-common.o): Depend on libfuncs.h.
2777 * dwarf2out.c (gen_inlined_enumeration_type_die,
2778 gen_inlined_structure_type_die, gen_inlined_union_type_die,
2779 gen_tagged_type_instantiation_die): Removed.
2780 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2783 2009-03-17 Janis Johnson <janis187@us.ibm.com>
2786 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2788 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2789 (check-parallel-%): Ditto.
2790 (check-consistency): Ditto.
2792 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
2794 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2795 local variable rhs by NULL_TREE.
2797 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2800 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2802 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2805 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2807 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2810 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2811 for ms->sysv ABI calls only in 64bit mode.
2813 * config/i386/i386.md (untyped_call): Support 32bit.
2815 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
2817 * doc/extend.texi: Replace x86_65 with x86_64.
2819 2009-03-16 Jakub Jelinek <jakub@redhat.com>
2821 PR tree-optimization/39455
2822 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2823 mismatches for POINTER_TYPE_P (type).
2824 (number_of_iterations_le): Likewise.
2826 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2828 * config/picochip/picochip.c: Removed profiling support.
2829 * config/picochip/picochip.md: Removed profiling instruction.
2830 * config/picochip/picochip.h: Removed profiling builtin.
2832 2009-03-16 Joseph Myers <joseph@codesourcery.com>
2834 * doc/install.texi (--with-host-libstdcxx): Document.
2836 2009-03-14 Anatoly Sokolov <aesok@post.ru>
2839 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2840 generate a warning if the function name does not begin with
2841 "__vector" and the function has either the 'signal' or 'interrupt'
2842 attribute, from here to ...
2843 (avr_declare_function_name): ...here. New function.
2844 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2845 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2847 2009-03-14 Jakub Jelinek <jakub@redhat.com>
2850 * cse.c (fold_rtx): Don't modify original const_arg1 when
2851 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2852 separate variable instead.
2853 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2854 from out of range shift counts.
2855 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2857 2008-03-13 Catherine Moore <clm@codesourcery.com>
2859 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2860 diagnostic.h with $(DIAGNOSTIC_H).
2862 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2865 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2867 * config/i386/sync.md (sync_compare_and_swap<mode>,
2868 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2869 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2871 (sync_double_compare_and_swapdi_pic,
2872 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2873 cmpxchg8b_pic_memory_operand instead of just memory_operand.
2875 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2878 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2880 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2883 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2884 (avx_addsubv4df3): Likewise.
2885 (*avx_addsubv4sf3): Likewise.
2886 (sse3_addsubv4sf3): Likewise.
2888 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2891 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2893 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
2896 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2897 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2898 registers for allocnos created from user-defined variables.
2900 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2903 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2904 of non-integer mode as well.
2906 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
2908 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2909 for functions for which the parameter types are unknown.
2911 2009-03-11 Jakub Jelinek <jakub@redhat.com>
2914 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2915 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2916 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2917 * config/i386/i386.c (ix86_local_alignment): For
2918 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2919 long long variables on the stack to avoid dynamic realignment.
2920 Allow the first argument to be a decl rather than type.
2921 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2923 2009-03-11 Nick Clifton <nickc@redhat.com>
2926 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2928 Add description to mno-lsim option.
2929 * config/mcore/mcore.h: Remove comment about deprecated m4align
2931 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2932 * doc/invoke.texi: Add description of mno-lsim and
2933 mstack-increment options.
2935 * config/fr30/fr30.opt: Document the -mno-lsim option.
2936 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2937 and -mno-lsim options.
2939 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2941 * fold-const.c (fold_comparison): Only call fold_inf_compare
2942 if the mode supports infinities.
2944 2009-03-11 Jason Merrill <jason@redhat.com>
2947 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2948 end already did. Notice GIMPLE_CALL modifications of the result.
2949 Don't copy debug information from an ignored decl or a decl from
2952 2009-03-10 Richard Guenther <rguenther@suse.de>
2953 Nathan Froyd <froydnj@codesourcery.com>
2956 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2957 (__divMODE3): Likewise.
2959 2009-03-09 Jakub Jelinek <jakub@redhat.com>
2961 PR tree-optimization/39394
2962 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2963 DECL_SIZE_UNIT of variable length FIELD_DECLs.
2965 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2967 * recog.c (verfiy_changes): Disallow renaming of hard regs in
2968 inline asms for register asm ("") declarations.
2970 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
2972 * fold-const.c (fold_unary): Fix comment.
2974 2009-03-07 Jan Hubicka <jh@suse.cz>
2977 * tree-inline.c (setup_one_parameter): Do replacement of const
2978 argument by constant in SSA form.
2980 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2983 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
2984 determine alignment passed to assign_stack_local.
2985 (assign_parms_unsplit_complex): Likewise.
2986 * except.c (sjlj_build_landing_pads): Likewise.
2988 2009-03-06 Jakub Jelinek <jakub@redhat.com>
2991 * tree-flow.h (add_referenced_var): Return bool instead of void.
2992 * tree-dfa.c (add_referenced_var): Return result of
2993 referenced_var_check_and_insert call.
2994 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
2995 of referenced_var_check_and_insert.
2998 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
2999 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3000 DIE, don't emit it if abstract origin already has it.
3001 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3002 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3004 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3006 * genpreds.c (needs_variable): Fix parentheses at variable name
3008 (write_tm_constrs_h): Indent generated code.
3010 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3012 * doc/extend.texi (Function Attributes): Add documentation
3015 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3018 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3019 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3021 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3023 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3026 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3029 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3030 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3032 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3034 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3035 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3036 constants instead of magic numbers.
3037 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3039 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3040 (x86_64_ms_abi_int_parameter_registers): Ditto.
3041 (x86_64_int_return_registers): Ditto.
3042 (ix86_maybe_switch_abi): Ditto.
3043 (ix86_expand_call): Ditto for clobbered_registers array.
3044 (ix86_hard_regno_mode_ok): Ditto.
3045 (x86_extended_QIreg_mentioned_p): Ditto.
3047 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3049 PR tree-optimization/39349
3050 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3052 * combine.c (gen_lowpart_for_combine): Use omode when generating
3055 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3057 PR rtl-optimization/39235
3058 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3060 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3062 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3064 2009-03-04 Richard Guenther <rguenther@suse.de>
3066 PR tree-optimization/39362
3067 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3068 that occur in abnormal PHIs should be varying.
3070 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3072 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3074 (simple_iv): Take loop as an argument instead of statement.
3075 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3076 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3078 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3080 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3081 * matrix-reorg.c (analyze_transpose): Ditto.
3082 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3083 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3084 * tree-predcom.c (ref_at_iteration): Ditto.
3085 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3087 2009-03-04 Richard Guenther <rguenther@suse.de>
3089 PR tree-optimization/39358
3090 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3091 escaped_id and callused_id.
3092 (solve_graph): Likewise.
3094 2009-03-04 Richard Guenther <rguenther@suse.de>
3096 PR tree-optimization/39339
3097 * tree-sra.c (try_instantiate_multiple_fields): Make it
3098 no longer ICE on the above.
3100 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3102 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3103 that fits within Pmode.
3105 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3108 * tm.texi (LIBCALL_VALUE): Update description.
3110 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3113 * doc/extend.texi (section): Update description.
3115 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3118 * tree-inline.c (remapped_type): New.
3119 (can_be_nonlocal): Call remapped_type instead of remap_type.
3121 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3124 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3125 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3127 2009-03-03 Richard Guenther <rguenther@suse.de>
3130 * tree.c (tree_nonartificial_location): New function.
3131 * tree.h (tree_nonartificial_location): Declare.
3132 * builtins.c (expand_builtin_memory_chk): Provide location
3133 of the call location for artificial function pieces.
3134 (maybe_emit_chk_warning): Likewise.
3135 (maybe_emit_sprintf_chk_warning): Likewise.
3136 (maybe_emit_free_warning): Likewise.
3137 * expr.c (expand_expr_real_1): Likewise.
3139 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3141 PR tree-optimization/39343
3142 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3143 COMPONENT_REF t has ARRAY_TYPE.
3145 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3148 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3149 when the type precision of the induction variable should be
3150 larger than the type precision of nit.
3151 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3152 * graphite.c (graphite_loop_normal_form): Same.
3153 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3155 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3157 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3158 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3159 numbers to describe clobbered registers.
3160 (*call_value_0_rex64_ms_sysv): Ditto.
3161 * config/i386/mmx.md (mmx_emms): Ditto.
3164 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3166 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3169 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3171 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3172 (spu_section_type_flags): New function.
3174 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3176 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3177 reg_class_contents of FLOAT_REGS into a temporary.
3179 2009-03-02 Richard Guenther <rguenther@suse.de>
3180 Ira Rosen <irar@il.ibm.com>
3182 PR tree-optimization/39318
3183 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3184 information to the vectorized statement.
3186 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3188 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3189 variable. Use defined names instead of magic constants for REX SSE
3192 2009-03-01 Richard Guenther <rguenther@suse.de>
3194 PR tree-optimization/39331
3195 * omp-low.c (lower_send_shared_vars): Do not receive new
3196 values for the reference of DECL_BY_REFERENCE parms or results.
3198 2009-03-01 Jan Hubicka <jh@suse.cz>
3201 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3202 BLOCK_NONLOCALIZED_VAR): New macros.
3203 (tree_block): Add nonlocalized_vars.
3204 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3205 gen_decl_die): Add origin argument. Allow generation of die with
3206 origin at hand only.
3207 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3208 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3210 (gen_block_die): Fix checking for unused blocks.
3211 (process_scope_var): Break out from .... ; work with origins only.
3212 (decls_for_scope) ... here; process nonlocalized list.
3213 (dwarf2out_ignore_block): Look for nonlocalized vars.
3214 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3216 (dump_scope_block): Dump them.
3217 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3218 (remap_block): Likewise.
3219 (can_be_nonlocal): New predicate.
3220 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3222 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3224 * configure: Regenerate.
3226 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3228 * optc-gen.awk: No need to duplicate option flags twice.
3229 Reuse help texts for duplicate options which do not have any.
3231 * gcc.c (display_help): Document --version.
3233 * gcc.c (main): If print_help_list and verbose_flag, ensure
3234 driver output comes before subprocess output.
3236 * optc-gen.awk: Assign all remaining fields to help string,
3237 space-separated, for multi-line help in *.opt.
3239 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3240 -Wno-pedantic-ms-format is for MinGW targets only.
3242 * doc/options.texi (Option file format): Fix bad indentation,
3243 restoring dropped sentence.
3245 2009-02-28 Jan Hubicka <jh@suse.cz>
3247 * tree-inline.c (tree_function_versioning): Output debug info.
3249 2009-02-28 Jan Hubicka <jh@suse.cz>
3252 * tree-inline.c (setup_one_parameter): Do not copy propagate
3253 arguments when not optimizing.
3255 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3258 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3259 (avx_addsubv4df3): Likewise.
3260 (*avx_addsubv4sf3): Likewise.
3261 (sse3_addsubv4sf3): Likewise.
3262 (*avx_addsubv2df3): Likewise.
3263 (sse3_addsubv2df3): Likewise.
3264 (avx_unpckhps256): Correct item selectors.
3265 (avx_unpcklps256): Likewise.
3266 (avx_unpckhpd256): Likewise.
3267 (avx_unpcklpd256): Likewise.
3269 2009-02-28 Jan Hubicka <jh@suse.cz>
3271 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3273 (copy_arguments_for_versioning): If var is declared don't declare it.
3274 (tree_function_versioning): First setup substitutions and then copy
3277 2009-02-27 Jan Hubicka <jh@suse.cz>
3280 * cgraph.h (varpool_output_debug_info): Remove.
3281 * cgraphunit.c (varpool_output_debug_info): Remove.
3282 * dwarf2out.c (deferred_locations_struct): New struct
3283 (deferred_locations): New type.
3284 (deferred_locations_list): New static var.
3285 (deffer_location): New function.
3286 (gen_variable_die): Use it.
3287 (decls_for_scope): Output info on local static vars.
3288 (dwarf2out_finish): Process deferred locations.
3289 * varpool.c (varpool_output_debug_info): Remove.
3291 2009-02-27 Jan Hubicka <jh@suse.cz>
3294 * tree.h (TREE_PROTECTED): Fix comment.
3295 (BLOCK_HANDLER_BLOCK): Remove.
3296 (struct tree_block): Remove handler_block add body_block.
3297 (inlined_function_outer_scope_p): New.
3298 (is_body_block): Remove.
3299 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3300 * dwarf2out.c (is_inlined_entry_point): Remove.
3301 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3302 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3304 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3305 * gimplify.c (gimplify_expr): Gimplify body blocks.
3306 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3307 block with multiple subblocks.
3308 (dump_scope_block): Prettier output; dump more flags and info.
3309 (dump_scope_blocks): New.
3310 (remove_unused_locals): Use dump_scope_blocks.
3311 * tree-flow.h (dump_scope_blocks): Declare.
3312 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3313 * stmt.c (is_body_block): Remove.
3314 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3315 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3317 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3320 * graphite.c (graphite_loop_normal_form): Do not call
3321 number_of_iterations_exit from a gcc_assert.
3323 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3325 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3326 jumps if COND is NULL.
3327 (find_cond_jump): New function.
3328 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3329 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3331 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3333 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3334 force_const_mem returns NULL_RTX.
3336 2009-02-26 Jan Hubicka <jh@suse.cz>
3339 * cgraph.h (varpool_output_debug_info): Remove.
3340 * cgraphunit.c (varpool_output_debug_info): Remove.
3341 * dwarf2out.c (deferred_locations_struct): New struct
3342 (deferred_locations): New type.
3343 (deferred_locations_list): New static var.
3344 (deffer_location): New function.
3345 (gen_variable_die): Use it.
3346 (decls_for_scope): Output info on local static vars.
3347 (dwarf2out_finish): Process deferred locations.
3348 * varpool.c (varpool_output_debug_info): Remove.
3350 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3352 PR rtl-optimization/39241
3353 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3354 to subreg_offset_representable_p.
3356 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3358 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3359 execute function prototype. Get f and nregs from max_reg_num
3360 and get_insns. Remove the first backward pass as it's dead,
3361 guard the forward pass by flag_expensive_optimizations.
3362 (rest_of_handle_regmove): Delete.
3363 (pass_regmove): Replace it with regmove_optimize.
3365 2009-02-25 Martin Jambor <mjambor@suse.cz>
3367 PR tree-optimization/39259
3368 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3369 calls_alloca function flags.
3370 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3373 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3375 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3376 flags_set_1_rtx, flags_set_1_set): Delete.
3377 (regmove_optimize): Do not call mark_flags_life_zones.
3379 2009-02-24 Julian Brown <julian@codesourcery.com>
3382 * config/arm/arm.c (require_pic_register): Only set
3383 cfun->machine->pic_reg once per function.
3385 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3387 * doc/invoke.texi (Link Options): Document an easier way to pass
3388 options that take arguments to the GNU linker using -Xlinker and -Wl.
3390 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3393 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3395 2009-02-24 Richard Guenther <rguenther@suse.de>
3398 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3400 2009-02-24 Richard Guenther <rguenther@suse.de>
3401 Zdenek Dvorak <ook@ucw.cz>
3403 PR tree-optimization/39233
3404 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3405 from converting them to a generic type.
3407 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3409 PR tree-optimization/39260
3410 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3411 contains a condition with a real type.
3412 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3414 2009-02-23 Jason Merrill <jason@redhat.com>
3417 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3418 narrowing_initializer_constant_valid_p.
3419 (narrowing_initializer_constant_valid_p): Don't return
3420 null_pointer_node for adding a pointer to itself.
3422 2009-02-23 Jan Hubicka <jh@suse.cz>
3425 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3428 2009-02-23 Jan Hubicka <jh@suse.cz>
3430 PR tree-optimization/37709
3431 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3432 * tree.h (block_ultimate_origin): Declare.
3433 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3434 * tree-ssa-live.c (remove_unused_scope_block_p):
3435 Eliminate blocks containig no instructions nor live variables nor
3437 (dump_scope_block): New function.
3438 (remove_unused_locals): Enable removal of dead blocks by default;
3439 enable dumping at TDF_DETAILS.
3441 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3443 * config/i386/i386.c (classify_argument): Don't allow COImode
3445 (function_arg_advance_32): Don't allow OImode.
3446 (function_arg_32): Likewise.
3447 (function_value_32): Likewise.
3448 (return_in_memory_32): Likewise.
3449 (function_arg_64): Remove OImode comment.
3451 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3454 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3455 ix86_expand_vector_set for V4DImode in 64bit mode only.
3456 (ix86_expand_vector_init_one_var): Likewise.
3458 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3460 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3462 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3465 * loop-iv.c: Revert last change.
3466 * emit-rtl.c: Likewise.
3468 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3471 * config/i386/i386.c (type_natural_mode): Remove an extra
3472 space in the warning message.
3473 (function_value_32): Handle 32-byte vector modes.
3474 (return_in_memory_32): Likewise.
3476 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3478 * loop-iv.c (truncate_value): New function.
3479 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3481 (lowpart_subreg): Move to...
3482 * emit-rtl.c: ...here.
3484 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3486 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3487 accidental and undocumented change at revision 140860.
3489 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3491 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3492 take gimple_seq * arguments.
3493 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3494 types_compatible_p langhook.
3496 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3497 Joseph Myers <joseph@codesourcery.com>
3499 * config/arm/arm.c (arm_builtin_va_list): New function.
3500 (arm_expand_builtin_va_start): Likewise.
3501 (arm_gimplify_va_arg_expr): Likewise.
3502 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3503 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3504 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3505 (va_list_type): New variable.
3506 (arm_mangle_type): Mangle va_list_type appropriately.
3508 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3511 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3512 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3513 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3514 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3515 parameter to 1000 for -O1 by default.
3516 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3518 * loop-invariant.c: Include params.h.
3519 (move_loop_invariants): Don't call move_single_loop_invariants on
3522 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3524 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3525 offset when calculating bounds for indexing stack_usage_map. Fixes
3526 a buffer overflow with certain target setups.
3528 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3531 * calls.c (expand_call): Clear try_tail_call if caller and callee
3532 disagree in promotion of function return value.
3534 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3537 * c-common.c (c_determine_visibility): If visibility changed and
3538 DECL_RTL has been already set, call make_decl_rtl to update symbol
3541 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3544 * varasm.c (assemble_variable): Don't check DECL_NAME when
3545 globalizing a variable.
3547 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3550 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3551 expression before any __builtin_trap call.
3552 * c-typeck.c (build_function_call): Convert and check function
3553 arguments before generating a call to a trap. Evaluate the
3554 function arguments before the trap.
3556 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3559 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3560 (UNSPEC_FXAM_MEM): New unspec.
3561 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3562 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3563 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3565 2009-02-19 Richard Guenther <rguenther@suse.de>
3567 PR tree-optimization/39207
3568 PR tree-optimization/39074
3569 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3570 storedanything_tree): New.
3571 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3572 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3573 (build_succ_graph): Add edges from STOREDANYTHING to all
3575 (init_base_vars): Initialize STOREDANYTHING.
3576 (compute_points_to_sets): Free substitution info after
3577 building the succ graph.
3578 (ipa_pta_execute): Likewise.
3580 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3582 (do_ds_constraint): Do not add to special var or non-pointer
3584 (type_could_have_pointers): Split out from ...
3585 (could_have_pointers): ... here. For arrays use the element type.
3586 (create_variable_info_for): Initialize may_have_pointers.
3587 (new_var_info): Likewise.
3588 (handle_lhs_call): Make the HEAP variable unknown-sized.
3589 (intra_create_variable_infos): Use a type with pointers for
3590 PARM_NOALIAS, make it unknown-sized.
3592 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3595 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3597 2009-02-18 Jason Merrill <jason@redhat.com>
3600 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3601 value if DECL_EXTERNAL.
3602 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3603 * target.h (gcc_target::binds_local_p): Clarify "module".
3604 * tree.h (TREE_PUBLIC): Clarify "module".
3606 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3609 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3610 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3612 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3615 * c.opt (Wabi): Support C and ObjC.
3618 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3620 * config/i386/i386.c (classify_argument): Warn once about the ABI
3621 change when passing union with long double.
3623 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3625 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3628 * c-parser.c (c_parser_compound_statement): Always enter and leave
3631 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3634 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3636 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3638 PR tree-optimization/36922
3639 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3640 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3643 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3645 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3648 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3650 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3652 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3654 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3657 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
3658 Richard Sandiford <rdsandiford@googlemail.com>
3660 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3661 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3662 (loongson_biadd): ...this.
3664 2009-02-17 Richard Guenther <rguenther@suse.de>
3666 PR tree-optimization/39202
3667 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3668 a var make sure to follow existing collapses.
3670 2009-02-17 Richard Guenther <rguenther@suse.de>
3673 * langhooks.c (lhd_print_error_function): Check for NULL block.
3675 2009-02-17 Richard Guenther <rguenther@suse.de>
3677 PR tree-optimization/39204
3678 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3681 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
3683 * config/soft-fp/double.h: Update from glibc CVS.
3685 2009-02-17 Richard Guenther <rguenther@suse.de>
3687 PR tree-optimization/39207
3688 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
3689 strict-aliasing warnings for pointers pointing to NULL.
3691 2009-02-16 Joseph Myers <joseph@codesourcery.com>
3694 * c-parser.c (c_parser_braced_init): Call pop_init_level when
3695 skipping until next close brace.
3697 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
3700 * config/i386/i386.c (ix86_expand_push): Set memory alignment
3701 to function argument boundary.
3703 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3705 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
3706 in the lea_add. Reload eventually constraints it properly.
3707 * config/picochip/constraints.md : Remove the target constraint
3708 "b", since it is not needed anymore.
3710 2009-02-16 Jakub Jelinek <jakub@redhat.com>
3712 * gthr-dce.h: Uglify function parameter and local variable names.
3713 * gthr-gnat.h: Likewise.
3714 * gthr-mipssde.h: Likewise.
3715 * gthr-nks.h: Likewise.
3716 * gthr-posix95.h: Likewise.
3717 * gthr-posix.h: Likewise.
3718 * gthr-rtems.h: Likewise.
3719 * gthr-single.h: Likewise.
3720 * gthr-solaris.h: Likewise.
3721 * gthr-tpf.h: Likewise.
3722 * gthr-vxworks.h: Likewise.
3723 * gthr-win32.h: Likewise.
3725 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
3728 * config/i386/i386.md: Restrict the new peephole2 to move
3729 between MMX/SSE registers.
3731 2009-02-15 Richard Guenther <rguenther@suse.de>
3734 2009-02-13 Richard Guenther <rguenther@suse.de>
3736 * configure.ac: Enable LFS.
3737 * configure: Re-generate.
3738 * config.in: Likewise.
3740 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3742 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
3743 spu_srqwbyte, spu_srqwbytebc): Define.
3744 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
3745 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
3746 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
3747 "shrqby_<mode>"): New insn-and-split patterns.
3748 * config/spu/spu.c (expand_builtin_args): Determine and return
3749 number of operands using spu_builtin_description data.
3750 (spu_expand_builtin_1): Use it.
3752 2009-02-13 Steve Ellcey <sje@cup.hp.com>
3755 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3758 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3761 * config/i386/i386.c (override_options): Correct warning
3762 messages for -malign-loops, -malign-jumps and -malign-functions.
3764 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3767 * config/i386/i386.md: Restrict the new peephole2 to move
3768 between the general purpose registers.
3770 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3773 * config/i386/i386.c (type_natural_mode): Add a new argument.
3774 Return the original mode and warn ABI change if vector size is 32byte.
3775 (function_arg_advance): Updated.
3776 (function_arg): Likewise.
3777 (ix86_function_value): Likewise.
3778 (ix86_return_in_memory): Likewise.
3779 (ix86_sol10_return_in_memory): Likewise.
3780 (ix86_gimplify_va_arg): Likewise.
3781 (function_arg_32): Don't warn ABX ABI change here.
3782 (function_arg_64): Likewise.
3784 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
3786 * loop-iv.c (implies_p): In the final case, test that operands 0
3787 of the two comparisons match.
3789 * config/bfin/bfin.c (find_prev_insn_start): New function.
3790 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3791 (find_next_insn_start): Move.
3793 2009-02-13 Richard Guenther <rguenther@suse.de>
3795 * configure.ac: Enable LFS.
3796 * configure: Re-generate.
3797 * config.in: Likewise.
3799 2009-02-13 Joseph Myers <joseph@codesourcery.com>
3802 * c-parser.c (c_parser_parms_list_declarator): Discard pending
3803 sizes on syntax error after some arguments have been parsed.
3805 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3807 * doc/invoke.texi (-fira): Remove.
3809 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3811 * caller-save.c: Replace regclass.c with reginfo.c in comments.
3812 * recog.c: Likewise.
3815 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
3817 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3818 (umul_ppmm): Likewise.
3819 (count_leading_zeros): Likewise.
3820 (count_trailing_zeros): Likewise.
3821 (UMUL_TIME): Likewise.
3823 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3825 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3826 soft-fp/t-softfp to tmake_file.
3828 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3829 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3830 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3831 IA64_BUILTIN_INFQ]: New.
3832 (ia64_init_builtins): Initialize __builtin_infq,
3833 __builtin_fabsq and __builtin_copysignq if not HPUX.
3834 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3835 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3837 * config/ia64/lib1funcs.asm (__divtf3): Define only if
3839 (__fixtfti): Likewise.
3840 (__fixunstfti): Likewise.
3841 (__floattitf): Likewise.
3843 * config/ia64/libgcc-glibc.ver: New.
3844 * config/ia64/t-fprules-softfp: Likewise.
3845 * config/ia64/sfp-machine.h: Likewise.
3847 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3848 (LIBGCC2_TF_CEXT): Likewise.
3849 (TF_SIZE): Likewise.
3850 (TARGET_INIT_LIBFUNCS): Likewise.
3852 * config/ia64/t-glibc (SHLINB_MAPFILES):
3853 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3855 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3857 * config/i386/i386.c (construct_container): Rewrite processing
3858 BLKmode with X86_64_SSE_CLASS.
3860 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
3863 * config/i386/i386.md: Replace simplify_replace_rtx with
3864 replace_rtx in the new peephole2.
3866 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
3868 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3869 loop unrolling do not happen at -O2.
3871 2009-02-12 Michael Matz <matz@suse.de>
3873 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3875 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3877 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3880 2009-02-12 Ben Elliston <bje@au.ibm.com>
3882 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3883 patterns when updating the back chain. Missed in the 2009-02-10
3886 2009-02-11 Janis Johnson <janis187@us.ibm.com>
3888 * doc/extend.texi (Decimal Floating Types): Update identifier of
3889 draft TR and list of missing support.
3891 2009-02-11 Jakub Jelinek <jakub@redhat.com>
3894 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3895 bit to variable length decl's flags, add it also to its
3896 pointer replacement variable.
3898 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
3899 Jakub Jelinek <jakub@redhat.com>
3902 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3903 (memory_blockage): New expander.
3904 (*memory_blockage): New insn pattern.
3905 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3906 instead of general blockage at the end of function prologue when
3907 frame pointer is used to access red zone area. Do not emit blockage
3908 when profiling, it is emitted in generic code.
3909 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3910 function epilogue when frame pointer is used to access red zone area.
3912 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
3915 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3916 by arithmetic with memory operands.
3917 * config/i386/predicates.md (commutative_operator): New.
3919 2009-02-10 Janis Johnson <janis187@us.ibm.com>
3921 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3924 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
3926 * alias.h (record_alias_subset): Declare.
3927 * alias.c (record_alias_subset): Make global.
3929 2009-02-10 Nick Clifton <nickc@redhat.com>
3931 * tree-parloops.c: Change license to GPLv3.
3932 * ipa-struct-reorg.c: Change license to GPLv3.
3933 * ipa-struct-reorg.h: Change license to GPLv3.
3935 2009-02-10 Steve Ellcey <sje@cup.hp.com>
3938 * c-decl.c (start_struct): Return NULL on error.
3940 2009-02-10 Jakub Jelinek <jakub@redhat.com>
3943 * cfgloopmanip.c (remove_path): Call remove_bbs after
3944 cancel_loop_tree, not before it.
3947 * function.h (struct function): Add has_local_explicit_reg_vars bit.
3948 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3949 VAR_DECLs were seen.
3950 * tree-ssa-live.c (remove_unused_locals): Recompute
3951 cfun->has_local_explicit_reg_vars.
3952 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3953 copies or clearings if cfun->has_local_explicit_reg_vars.
3955 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
3958 * config/i386/i386.c (expand_prologue): Emit blockage at the end
3959 of function prologue when frame pointer is used to access
3962 2009-02-10 Richard Guenther <rguenther@suse.de>
3965 * gimplify.c (gimple_regimplify_operands): Always look if
3966 we need to create a temporary.
3968 2009-02-10 Richard Guenther <rguenther@suse.de>
3970 PR tree-optimization/39132
3971 * tree-loop-distribution.c (todo): New global var.
3972 (generate_memset_zero): Trigger TODO_rebuild_alias.
3973 (tree_loop_distribution): Return todo.
3975 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
3978 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
3979 (x86_64_reg_class_name): Removed.
3980 (classify_argument): Return 0 if bytes > 32. Return 0 if the
3981 first one isn't X86_64_SSE_CLASS or any other ones aren't
3982 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
3983 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
3984 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
3985 and 3 X86_64_SSEUP_CLASS.
3986 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
3987 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
3989 2009-02-10 Ben Elliston <bje@au.ibm.com>
3991 * config/rs6000/rs6000.md (allocate_stack): Always use an update
3992 form instruction to update the stack back chain word, even if the
3993 user has disabled the generation of update instructions.
3994 (movdi_<mode>_update_stack): New.
3995 (movsi_update_stack): Likewise.
3996 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
3997 always use an update form instruction to update the stack back
4000 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4003 * graphite.c (if_region_set_false_region): After moving a region in
4004 the false branch of a condition, remove the empty dummy basic block.
4005 (gloog): Remove wrong fix for PR38953.
4007 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4009 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4010 generation due to implicit sign extension.
4012 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4015 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4016 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4018 2009-02-09 Richard Guenther <rguenther@suse.de>
4021 * convert.c (convert_to_real): Disable (float)fn((double)x)
4022 to fnf(x) conversion if errno differences may occur and
4023 -fmath-errno is set.
4025 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4027 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4028 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4029 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4031 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4034 * c-common.c (handle_alias_attribute): Disallow attribute for
4035 anything not a FUNCTION_DECL or VAR_DECL.
4037 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4040 * real.c (do_compare): Special-case compare of zero against
4041 decimal float value.
4043 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4046 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4047 as indicating flexible array members unless the field itself is
4048 being declarared as the incomplete array.
4050 2009-02-06 Jan Hubicka <jh@suse.cz>
4052 PR tree-optimization/38844
4053 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4056 2009-02-06 Richard Guenther <rguenther@suse.de>
4059 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4060 fork because we may expand it as __gcov_fork.
4062 2009-02-06 Nick Clifton <nickc@redhat.com>
4064 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4066 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4068 PR tree-optimization/35659
4069 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4070 vn_phi_eq): Shortcut if hashcode does not match.
4071 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4073 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4074 and avoid iterative_hash_expr.
4075 (FOR_EACH_VALUE_ID_IN_SET): New.
4076 (value_id_compare): Remove.
4077 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4078 sort expressions by value id.
4080 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4083 * config/sh/predicates.md (general_movsrc_operand): Don't check
4084 the subreg of system registers here.
4086 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4089 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4092 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4094 PR rtl-optimization/39110
4095 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4096 addresses, not aligned ones.
4098 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4099 Richard Guenther <rguenther@suse.de>
4101 PR tree-optimization/39100
4102 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4103 comment says and add edges.
4105 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4108 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4109 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4111 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4113 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4114 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4115 register_bb_in_sese, new_sese, free_sese): Moved.
4116 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4117 outermost_loop_in_scop, build_scop_iteration_domain,
4118 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4119 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4120 Use loop_in_sese_p instead of loop_in_scop_p.
4121 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4122 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4123 (scopdet_basic_block_info): Fix bug in scop detection.
4124 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4125 eq_loop_to_cloog_loop): Remove.
4126 (nb_loops_around_loop_in_scop, nb_loop
4127 ref_nb_loops): Moved here...
4128 * graphite.h (ref_nb_loops): ... from here.
4129 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4130 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4131 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4132 * testsuite/gcc.dg/graphite/scop-19.c: New
4134 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4135 Hans-Peter Nilsson <hp@axis.com>
4137 PR rtl-optimization/37889
4138 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4139 Move offset handling from PLUS to before the switch. Use new
4140 arguments when considering SYMBOL_REFs too.
4141 (rtx_addr_can_trap_p): Pass dummy offset and size.
4142 (enum may_trap_p_flags): Remove.
4143 (may_trap_p_1): Pass size from MEM_SIZE.
4145 PR rtl-optimization/38921
4146 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4147 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4148 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4149 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4151 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4153 AVX Programming Reference (January, 2009)
4154 * config/i386/sse.md (*vpclmulqdq): New.
4156 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4158 PR tree-optimization/38977
4159 PR gcov-profile/38292
4160 * calls.c (special_function_p): Disregard __builtin_ prefix.
4162 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4164 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4165 non-indexable addresses even before reload.
4167 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4170 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4171 as having variable size. Do not give an error for unnamed
4172 parameters with [*] declarators. Give a warning for type names
4173 with [*] declarators and mark them as variable size.
4174 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4175 for sizeof applied to [*] type names.
4177 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4180 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4182 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4184 * gcc.c (process_command): Update copyright notice dates.
4185 * gcov.c (print_version): Likewise.
4186 * gcov-dump.c (print_version): Likewise.
4187 * mips-tfile.c (main): Likewise.
4188 * mips-tdump.c (main): Likewise.
4190 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4193 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4194 for composite type involving a zero-length array type.
4196 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4199 * function.c (match_asm_constraints_1): Skip over
4200 initial optional % in the constraint.
4203 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4204 supported, don't accept FIXED_CSTs.
4205 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4206 and _Sat is used without _Fract/_Accum. Set specs->type to
4207 integer_type_node for cts_fract/cts_accum if fixed point is not
4210 2009-02-02 Catherine Moore <clm@codesourcery.com>
4212 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4214 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4216 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4217 (ABI_HAS_64BIT_SYMBOLS): Use it.
4218 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4220 2009-02-02 Paul Brook <paul@codesourcery.com>
4222 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4224 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4227 * recog.h (asm_operand_ok): Add constraints argument.
4228 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4229 recurse on matching constraint.
4230 (check_asm_operands): Pass constraints as 3rd argument to
4231 asm_operand_ok. Don't look up matching constraint here.
4232 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4235 2009-02-02 Ben Elliston <bje@au.ibm.com>
4237 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4238 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4240 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4242 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4243 information. Remove some obsolete information. Reorganize.
4245 * config/pa/fptr.c: Revert license to GPL 2.
4246 * config/pa/milli64.S: Likewise.
4248 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4251 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4252 LIBRARY name in, instead of hard-coding it.
4253 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4254 extra target make frag to tmake_files according to EH model.
4255 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4256 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4257 frags that define makefile variable EH_MODEL appropriately.
4258 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4259 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4260 to "-sjlj" according to type of EH configured.
4261 (LIBGCC_SONAME): Concatenate it to shared library base name.
4262 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4263 to "_sjlj" according to type of EH configured.
4264 (LIBGCC_SONAME): Concatenate it to shared library base name.
4265 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4266 (SHLIB_LINK): Add missing semicolon to if-else construct.
4267 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4268 string value of "pe_dll" command-line option.
4269 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4270 (SHLIB_SONAME): Use it when overriding t-cygming default.
4271 (SHLIB_IMPLIB): Override t-cygming default.
4272 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4273 string value of "pe_dll" command-line option.
4275 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4278 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4279 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4281 2009-01-31 Richard Guenther <rguenther@suse.de>
4283 PR tree-optimization/38937
4284 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4285 computing the transitive closure.
4287 2009-01-30 Richard Guenther <rguenther@suse.de>
4289 PR tree-optimization/39041
4290 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4291 Propagate variable indices only if the types match for this stmt.
4293 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4296 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4297 inline but never defined.
4299 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4301 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4302 (*insv_h_di_reg_extimm): New insn.
4303 (*insv_l<mode>_reg_extimm): New insn.
4305 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4307 * config/picochip/picochip.c (flag_conserve_stack): set
4308 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4309 fconserve-stack. Reduce call-overhead used by inliner.
4311 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4314 * common.opt (flag_conserve_stack): Initialised to zero.
4316 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4319 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4320 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4323 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4325 * ira-color.c (allocno_reload_assign): Update comments.
4326 * regmove.c (regmove_optimize): Likewise.
4330 2009-01-29 Robert Millan <rmh@aybabtu.com>
4332 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4333 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4334 `MD_UNWIND_SUPPORT'.
4335 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4337 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4339 PR tree-optimization/39007
4340 * tree-loop-distribution.c (generate_builtin): Use
4341 recompute_dominator to compute the immediate dominator of the
4342 basic block just after the loop.
4344 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4346 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4347 (ASM_OUTPUT_DWARF_PCREL): Define.
4349 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4351 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4352 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4353 global. Modify entries about regmove and IRA.
4355 * ra-conflict.c: Remove the file.
4357 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4359 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4360 (pass_regclass_init): Rename to pass_reginfo_init.
4362 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4364 * toplev.h (flag_ira): Remove.
4366 * caller-save.c (setup_save_areas): Remove flag_ira.
4368 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4370 * global.c: Remove the file.
4372 * opts.c (decode_options): Remove flag_ira.
4374 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4376 * regmove.c: Modify file description.
4377 (find_use_as_address, try_auto_increment): Define them only if
4378 AUTO_INC_DEC is defined.
4379 (replacement_quality, replace_in_call_usage, fixup_match_1,
4380 stable_and_no_regs_but_for_p): Remove.
4381 (reg_set_in_bb): Make it static.
4382 (regmove_optimize): Remove flag_ira and code which worked for
4385 * local-alloc.c: Remove the file.
4387 * common.opt (fira): Remove.
4389 * ira.c: Include except.h.
4390 (eliminable_regset): Move from global.c.
4391 (mark_elimination): Ditto. Remove flag_ira.
4392 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4393 equiv_mem_modified, validate_equiv_mem_from_store,
4394 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4395 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4396 no_equiv, recorded_label_ref): Move from local-alloc.c.
4397 (update_equiv_regs): Ditto. Make it static.
4398 (print_insn_chain, print_insn_chains): Move it from global.c.
4399 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4400 (build_insn_chain): Ditto. Make it static.
4401 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4402 Rename to init_live_subregs.
4403 (gate_ira): Remove flag_ira.
4405 * regclass.c: Rename reginfo.c. Change file description.
4406 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4407 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4408 (init_reg_sets_1): Remove code for evaluation of
4409 reg_class_superclasses and losing_caller_save_reg_set.
4410 (init_regs): Remove init_reg_autoinc.
4411 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4412 ok_for_base_p_nonstrict): Remove.
4413 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4414 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4415 corresponding entries.
4416 (dump_regclass, record_operand_costs, scan_one_insn,
4417 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4418 record_address_regs, auto_inc_dec_reg_p): Remove.
4419 (gt-regclass.h): Rename to gt-reginfo.h.
4421 * rtl.h (dump_global_regs, retry_global_alloc,
4422 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4424 * Makefile.in (RA_H): Remove.
4425 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4426 Rename regclass.o to reginfo.o.
4427 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4429 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4430 (GTFILES): Rename regclass.c to reginfo.c.
4432 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4433 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4435 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4436 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4438 (finish_spills): Ditto. Remove code for !flag_ira.
4440 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4443 * doc/invoke.texi (rtl debug options): Complete rewrite.
4444 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4446 * mode-switching.c (pass_mode_switching): Rename pass from
4447 "mode-sw" to "mode_sw".
4448 * except.c (pass_convert_to_eh_ranges): Rename pass from
4449 "eh-ranges" to "eh_ranges".
4450 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4454 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4455 Alexander Monakov <amonakov@ispras.ru>
4458 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4460 (move_exprs_to_boundary): Change return type and pass through
4461 should_move from move_op. Relax assert. Update usage ...
4462 (schedule_expr_on_boundary): ... here. Use should_move instead of
4464 (move_op_orig_expr_found): Indicate that insn was disconnected from
4466 (code_motion_process_successors): Do not call after_merge_succs
4467 callback if original expression was not found when traversing any of
4469 (code_motion_path_driver): Change return type. Update prototype.
4470 (move_op): Update comment. Add a new parameter (should_move). Update
4471 prototype. Set *should_move based on indication provided by
4472 move_op_orig_expr_found.
4474 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4476 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4477 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4478 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4479 * config/rs6000/rs6000.c (rs6000_override_options): Default
4480 avoid-indexed-addresses on for Power6, off for everything else.
4481 (avoiding_indexed_address_p): New function.
4482 (rs6000_legitimize_address): Use it.
4483 (rs6000_legitimate_address): Likewise.
4484 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4486 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4488 PR tree-optimization/38997
4489 * tree-loop-distribution.c (generate_memset_zero): Use
4490 POINTER_PLUS_EXPR for a pointer addition.
4492 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4494 * config/s390/s390.md (bswap<mode>2): New pattern added.
4496 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4498 * config/s390/s390.md (*tls_load_31): Added type attribute.
4500 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4502 * config/s390/s390.md: Fix a few comments.
4504 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4506 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4507 (*tm<mode>_full): Fixed z10prop attribute.
4508 (*tst<mode>_extimm): Fixed z10prop attribute.
4509 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4510 (*tstqiCCT_cconly): Fixed z10prop attribute.
4511 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4512 (*movsi_larl): Fixed z10prop attribute.
4513 (*movsi_zarch): Fixed z10prop attribute.
4514 (*movsi_eas): Fixed z10prop attribute.
4515 (*movhi): Fixed z10prop attribute.
4516 (*movqi): Fixed z10prop attribute.
4517 (*movstrictqi): Fixed z10prop attribute.
4518 (*mov<mode>): Fixed z10prop attribute.
4519 (*movcc): Fixed z10prop attribute.
4520 (*sethighpartdi_64): Fixed z10prop attribute.
4521 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4522 (*negdi2_sign_cc): Fixed z10prop attribute.
4523 (*negdi2_sign): Fixed z10prop attribute.
4524 (*absdi2_sign_cc): Fixed z10prop attribute.
4525 (*absdi2_sign): Fixed z10prop attribute.
4526 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4527 (*negabsdi2_sign): Fixed z10prop attribute.
4528 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4529 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4530 (doloop_si64): Fixed z10prop attribute.
4531 (doloop_si31): Fixed z10prop attribute.
4532 (doloop_long): Fixed z10prop attribute.
4533 (indirect_jump): Fixed z10prop attribute.
4534 (nop): Fixed z10prop attribute.
4535 (main_base_64): Fixed z10prop attribute.
4536 (reload_base_64): Fixed z10prop attribute.
4538 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4540 PR rtl-optimization/38740
4541 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4543 * config/mips/mips.c (mips_reorg): Likewise.
4545 2009-01-28 Richard Guenther <rguenther@suse.de>
4547 PR tree-optimization/38926
4548 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4549 with the correct value id to a value.
4550 (do_regular_insertion): Use the value number of edoubleprime
4551 for the value number of the expr.
4554 2008-08-21 Richard Guenther <rguenther@suse.de>
4556 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4557 a PHI ask VN if it is already available.
4558 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4559 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4561 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4564 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4565 set to varying whenever max has TREE_OVERFLOW set, similarly
4566 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4568 2009-01-28 Richard Guenther <rguenther@suse.de>
4571 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4572 uninitialized aggregate uses in call arguments.
4574 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4576 PR tree-optimization/38984
4577 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4578 the nothing_id variable if -fno-delete-null-pointer-checks.
4580 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4583 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4584 (set_got_offset_rex64): Ditto.
4586 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4589 * doc/extend.texi: Improve local variable with asm reg.
4591 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4593 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4594 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4595 was not supplied then set warn_packed_bitfield_compat to the
4597 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4600 2009-01-27 Richard Guenther <rguenther@suse.de>
4602 PR tree-optimization/38503
4603 * cfgexpand.c (expand_gimple_basic_block): Ignore
4604 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4605 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4606 variables that cannot have TBAA applied.
4607 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4610 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4613 * calls.c (initialize_argument_information): Do not wrap complex
4614 arguments in SAVE_EXPR.
4616 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4618 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4619 (INSTALL_LIBGCC): Revert typo commit.
4621 2009-01-26 Richard Guenther <rguenther@suse.de>
4623 PR tree-optimization/38745
4624 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4625 from special handling.
4627 2009-01-26 Richard Guenther <rguenther@suse.de>
4629 PR tree-optimization/38745
4630 * tree-ssa.c (execute_update_addresses_taken): Do not include
4631 variables that cannot possibly be a register in not_reg_needs.
4632 Do not clear TREE_ADDRESSABLE on vars that may not become
4634 * tree-ssa.c (update_alias_info_1): Include those in the set
4635 of addressable vars.
4637 2009-01-26 Richard Guenther <rguenther@suse.de>
4640 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4641 * tree-ssa-dse.c: Include langhooks.h
4642 (execute_simple_dse): Remove stores with zero size.
4644 2009-01-24 Jakub Jelinek <jakub@redhat.com>
4647 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
4650 2009-01-24 Julian Brown <julian@codesourcery.com>
4652 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
4653 config/arm/linux-atomic.c.
4654 * config/arm/linux-atomic.c: New.
4656 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
4658 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
4659 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
4660 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
4662 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
4665 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
4668 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
4670 PR tree-optimization/38953
4671 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4672 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
4673 (gloog): Split the exit of the scop when the scop exit is a loop exit.
4674 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4677 2009-01-24 Paul Brook <paul@codesourcery.com>
4679 * config/arm/neon.md (neon_type): Move to arm.md.
4680 (neon_mov<VSTRUCT>): Add neon_type attribute.
4681 * config/arm/arm.md (neon_type): Move to here.
4682 (conds): Add "unconditioal" and use as default for NEON insns.
4684 2009-01-24 Ben Elliston <bje@au.ibm.com>
4686 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
4687 void *' warning from -Wc++-compat.
4688 * Makefile.in (dominance.o-warn): Remove.
4690 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
4692 PR tree-optimization/38932
4693 * fold-const.c (fold_unary_ignore_overflow): New.
4694 * tree.h (fold_unary_ignore_overflow): Declare.
4695 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
4696 * tree-ssa-sccvn.c (visit_reference_op_load,
4697 simplify_unary_expression): Likewise.
4699 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
4701 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
4702 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
4703 regardless of their type.
4704 * c-common.c (handle_packed_attribute): Don't ignore packed on
4706 * c.opt (Wpacked-bitfield-compat): New warning option.
4707 * stor-layout.c (place_field): Warn if offset of a field changed.
4708 * doc/extend.texi (packed): Mention the ABI change.
4709 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
4710 (Warning Options): Add it to the list.
4712 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
4714 * c-opts.c (c_common_post_options): Fix a typo in comments.
4716 2009-01-22 Steve Ellcey <sje@cup.hp.com>
4719 * gimplify.c (gimplify_init_constructor): Fix promotion of const
4720 variables to static.
4721 * doc/invoke.texi (-fmerge-all-constants): Update description.
4723 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
4726 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
4727 (*movdi_1_rex64): Use type "mmx" for alternative 5.
4729 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
4731 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
4733 (LOCAL_ALIGNMENT): Similarly.
4735 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4736 Joseph Myers <joseph@codesourcery.com>
4738 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
4739 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
4740 * config/arm/arm-tune.md: Regenerate.
4741 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
4744 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4746 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
4747 version number to five.
4749 2009-01-22 Dodji Seketeli <dodji@redhat.com>
4752 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
4753 * c-common.c (set_underlying_type): Likewise.
4754 (is_typedef_decl ): Likewise
4756 (set_underlying_type): Likewise.
4757 (is_typedef_type): Likewise.
4759 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
4762 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
4765 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4768 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
4769 (LIBGCC_SPEC): Don't define.
4770 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
4772 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
4774 PR rtl-optimization/38879
4775 * alias.c (base_alias_check): Unaligned access via AND address can
4776 alias all surrounding object types except those with sizes equal
4777 or wider than the size of unaligned access.
4779 2009-01-21 Dodji Seketeli <dodji@redhat.com>
4782 * c-decl.c (clone_underlying_type): Move this ...
4783 * c-common.c (set_underlying_type): ... here.
4784 Also, make sure the function properly sets TYPE_STUB_DECL() on
4785 the newly created typedef variant type.
4786 (is_typedef_decl ): New entry point.
4787 * tree.h: Added a new member member_types_needing_access_check to
4788 struct tree_decl_non_common.
4789 (set_underlying_type): New entry point.
4790 (is_typedef_type): Likewise.
4792 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
4794 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4795 Check whether two instructions have memory references that
4796 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
4797 are helper functions for traversing.
4798 * alias.h (insn_alias_sets_confilict_p): New prototypes.
4799 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4800 not to draw dependency edge for instructions with non-conflicting
4803 2009-01-20 Joseph Myers <joseph@codesourcery.com>
4806 * longlong.h: Update copyright years. Use soft-fp license notice.
4807 Sync __clz_tab declaration with glibc.
4809 2009-01-20 Steve Ellcey <sje@cup.hp.com>
4812 * doc/extend.texi (syscall_linkage): New.
4813 (version_id): Modify.
4815 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4816 Richard Guenther <rguenther@suse.de>
4818 PR tree-optimization/38747
4819 PR tree-optimization/38748
4820 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4821 conversion if the base address is an indirect reference and the
4822 aliasing sets could cause issues.
4824 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4826 * common.opt (fgraphite, fgraphite-identity): Add comment for
4827 explaining why these options are not documented.
4829 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4831 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4832 gimple_call_lhs is NULL.
4834 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
4837 * emit-rtl.c (adjust_address_1): Make sure memref is never
4840 2009-01-20 Ben Elliston <bje@au.ibm.com>
4842 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4843 const qualifier from arg parameter. Remove unnecessary cast to char *.
4844 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4845 const qualifier from arg 2.
4847 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4849 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
4851 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
4854 * rtl.h (reinit_regs): New prototype.
4855 * regclass.c: Include ira.h.
4857 * Makefile.in (regclass.o): Add ira.h.
4858 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
4860 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
4863 * c-common.c (handle_aligned_attribute): Use
4864 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
4865 default alignment value.
4867 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
4869 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
4870 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
4872 * doc/extend.texi: Update __attribute__ ((aligned)). Document
4873 __BIGGEST_ALIGNMENT__.
4875 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
4877 2009-01-18 Richard Guenther <rguenther@suse.de>
4879 PR tree-optimization/38819
4880 * tree-flow.h (operation_could_trap_helper_p): Declare.
4881 * tree-eh.c (operation_could_trap_helper_p): Export.
4882 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
4883 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
4884 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
4885 are about to insert a possibly trapping instruction and fail
4888 2009-01-18 Andreas Schwab <schwab@suse.de>
4890 * doc/install.texi (Configuration): Remove obsolete paragraph
4891 about use of --with-gnu-ld with --with-gnu-as.
4893 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
4895 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
4896 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
4897 Follow spelling conventions.
4899 2009-01-18 Ben Elliston <bje@au.ibm.com>
4901 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
4902 C++ warning about implicit conversion from void * to struct
4904 (bitmap_obstack_free): Likewise for bitmap_element *.
4905 * Makefile.in (bitmap.o-warn): Remove.
4907 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
4909 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
4911 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
4912 Tobias Grosser <tobi.grosser@amd.com>
4914 * graphite.c (graphite_trans_scop_block): Do not block single
4917 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
4919 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
4920 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
4921 test with assertion.
4923 2009-01-16 Richard Guenther <rguenther@suse.de>
4925 PR tree-optimization/38835
4927 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
4928 and INT + PTR -> (INT)(PTR p+ INT) folding.
4929 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
4931 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
4934 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
4935 the subreg from a lowpart subreg if it is also casting the value.
4937 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4938 Tobias Grosser <tobi.grosser@amd.com>
4940 * graphite.c (compare_prefix_loops): New.
4941 (build_scop_canonical_schedules): Rewritten.
4942 (graphite_transform_loops): Move build_scop_canonical_schedules
4943 after build_scop_iteration_domain.
4945 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4946 Tobias Grosser <tobi.grosser@amd.com>
4948 * graphite.c (add_conditions_to_domain): Add the loops to
4949 the dimension of the iteration domain. Do copy the domain
4950 only when it exists.
4951 (build_scop_conditions_1): Do not call add_conditions_to_domain.
4952 (add_conditions_to_constraints): New.
4953 (can_generate_code_stmt, can_generate_code): Removed.
4954 (gloog): Do not call can_generate_code.
4955 (graphite_transform_loops): Call add_conditions_to_constraints
4956 after building the iteration domain.
4958 2009-01-16 Jakub Jelinek <jakub@redhat.com>
4960 PR tree-optimization/38789
4961 * tree-ssa-threadedge.c
4962 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4963 __builtin_constant_p.
4965 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
4967 * dce.c (delete_unmarked_insns): Reversed the order that insns are
4968 examined before deleting them.
4970 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
4972 * function.c (aggregate_value_p): Correctly extract the function
4973 type from CALL_EXPR_FN lookup.
4975 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4977 * config/picochip/picochip.c (picochip_override_options): Revert
4978 CFI asm flag disable commited previously.
4980 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
4981 Tobias Grosser <tobi.grosser@amd.com>
4982 Jan Sjodin <jan.sjodin@amd.com>
4984 * graphite.c (scan_tree_for_params): On substractions negate
4985 all the coefficients of the term.
4986 (clast_to_gcc_expression_red): New. Handle reduction expressions
4987 of more than two operands.
4988 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4989 (get_vdef_before_scop): Handle also the case of default definitions.
4991 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4993 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
4994 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
4995 Also use them when walking CALL_INSN_FUNCTION_USAGE.
4997 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
4998 Joey Ye <joey.ye@intel.com>
5001 * cfgexpand.c (expand_stack_alignment): Don't update stack
5002 boundary nor check incoming stack boundary here.
5003 (gimple_expand_cfg): Update stack boundary and check incoming
5004 stack boundary here.
5006 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5008 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5010 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5012 PR rtl-optimization/38245
5013 * calls.c (expand_call): Add stack arguments to
5014 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5015 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5016 in regs and partially in memory or BLKmode arguments.
5017 (emit_library_call_value_1): Add stack arguments to
5018 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5019 ACCUMULATE_OUTGOING_ARGS).
5020 * dce.c: Include tm_p.h.
5021 (find_call_stack_args): New function.
5022 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5024 (mark_insn): Call find_call_stack_args for CALL_Ps.
5025 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5026 forwards. Allocate and free arg_stores bitmap if needed, pass it
5027 down to deletable_insn_p, don't mark stores set in arg_stores
5028 bitmap, clear the bitmap at the beginning of each bb.
5029 * Makefile.in (dce.o): Depend on $(TM_P_H).
5031 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5034 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5035 to make sure the insn is a conditional test (bug 22599). Reformat a
5038 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5041 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5042 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5043 (gloog): Do not call cleanup_tree_cfg.
5044 (graphite_transform_loops): Call cleanup_tree_cfg after all
5045 scops have been code generated.
5047 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5048 * doc/gty.texi (Invoking the garbage collector): Added new node
5049 and section documenting ggc_collect.
5051 2009-01-14 Richard Guenther <rguenther@suse.de>
5053 PR tree-optimization/38826
5055 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5056 initialization notes only if we actually emitted a warning.
5057 (intra_create_variable_infos): Add constraints for a result decl
5058 that is passed by hidden reference.
5059 (build_pred_graph): Mark all related variables non-direct on
5062 2009-01-14 Nick Clifton <nickc@redhat.com>
5064 * ira-conflicts.c: Include addresses.h for the definition of
5066 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5067 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5069 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5072 * Makefile.in (ira-lives.o): Add except.h.
5074 * ira-lives.c: Include except.h.
5075 (process_bb_node_lives): Process can_throw_internal.
5077 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5079 PR rtl-optimization/38774
5080 * combine.c (simplify_set): When undoing cc_use change, don't do
5081 PUT_CODE on the newly created comparison, but instead put back the
5084 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5086 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5087 values. Remove duplicate arm8 entry.
5089 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5091 PR tree-optimization/38786
5092 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5093 the SSA_NAME case of expand_scalar_variables_expr.
5094 Set the type of an expression to the type of its assign statement.
5095 (expand_scalar_variables_expr): Also gather the scalar computation
5096 used to index the memory access. Do not pass loop_p.
5097 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5098 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5099 the gimple_stmt_iterator where it inserts new code.
5101 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5102 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5104 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5106 * graphite.h (debug_value): Removed.
5107 * graphite.c (debug_value): Removed.
5109 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5111 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5112 ldrd/strd with two 32-bit instructions.
5114 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5116 * config/arm/arm.c (struct processors): Pass for speed down into
5117 cost helper functions.
5118 (const_ok_for_op): Handle COMPARE and inequality nodes.
5119 (arm_rtx_costs_1): Rewrite.
5120 (arm_size_rtx_costs): Update prototype.
5121 (arm_rtx_costs): Pass speed down to helper functions.
5122 (arm_slowmul_rtx_costs): Rework cost calculations.
5123 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5124 (arm_9e_rtx_costs): Likewise.
5126 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5128 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5129 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5130 (alpha_legitimize_address): Do not split local symbols wider than
5131 UNITS_PER_WORD into HIGH/LO_SUM parts.
5133 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5136 * gcc.c (process_command): Replace call to execvp with calls
5137 to pex_one and exit.
5139 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5142 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5143 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5144 variant for devices with 3-byte PC.
5145 (__tablejump_elpm__): New.
5147 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5150 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5151 offsetof member-designator, handle it as `[0].'.
5153 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5155 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5156 function when not using named sections on targets with named sections
5157 if branch distance is less than 262132.
5159 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5161 * combine.c (combine_instructions): Recompute
5162 optimize_this_for_speed_p for each BB in the main combine loop.
5164 2009-01-12 Tomas Bily <tbily@suse.cz>
5167 * tree-loop-distribution.c (prop_phis): New function.
5168 (generate_builtin): Call prop_phis.
5169 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5171 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5173 PR tree-optimization/38807
5174 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5175 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5177 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5179 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5180 subreg of op0 to the original op0.
5182 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5184 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5186 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5189 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5190 starting with digits.
5192 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5195 * config/arm/arm.c (arm_is_long_call_p): Don't call
5196 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5198 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5200 * regrename.c (regrename_optimize): Fix dumping.
5201 (find_oldest_value_reg): Preserve REG_POINTER.
5202 (copy_hardreg_forward_1): Likewise.
5204 2009-01-09 Diego Novillo <dnovillo@google.com>
5206 * gimple.h (struct gimple_statement_base) <uid>: Document
5207 the restrictions on its use.
5209 (gimple_set_uid): Tidy.
5211 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5213 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5214 zero guard even if align_bytes != 0 and count is smaller than
5217 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5219 PR rtl-optimization/38495
5220 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5221 (add_range_and_copies_from_move_list): Print all added ranges.
5222 Add ranges to memory optimized destination.
5224 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5228 * config/i386/i386.c (override_options): Reject
5229 -mstringop-strategy=rep_8byte with -m32.
5230 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5231 to 1. Do count comparison against epilogue_size_needed at compile
5232 time even when count_exp was constant forced into register. For
5233 size_needed don't jump to epilogue, instead just avoid aligning
5234 and invoke the body algorithm. If need_zero_guard, add zero guard
5235 even if count is non-zero, but smaller than size_needed + number of
5236 bytes that could be stored for alignment.
5237 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5238 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5239 but smaller than size_needed + number of bytes that could be stored
5240 for alignment. Compare size_needed with epilogue_size_needed instead
5241 of desired_align - align, don't adjust size_needed, pass
5242 epilogue_size_needed to the epilogue expanders.
5245 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5247 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5249 * pa.c (last_address): Change to unsigned.
5250 (update_total_code_bytes): Change argument to unsigned. Don't
5251 check if insn addresses are set.
5252 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5253 addresses are not set.
5254 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5256 2009-01-09 Nick Clifton <nickc@redhat.com>
5258 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5259 DECL_DECLARED_INLINE_P.
5261 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5264 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5265 GET_MODE (op0) in operand_subword_force calls.
5268 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5269 fold_convert arg0 operands to TREE_TYPE (op0) first.
5271 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5273 * params.def (ira-max-conflict-table-size): Decrease default value
5276 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5278 PR tree-optimization/37031
5279 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5281 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5282 allocate it using gc instead of heap, use VEC_quick_push instead of
5284 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5285 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5286 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5287 allocated vector from heap allocated.
5288 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5289 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5290 vector only after perfect_loop_nest_depth call.
5292 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5293 Jan Sjodin <jan.sjodin@amd.com>
5295 PR tree-optimization/38559
5296 * graphite.c (debug_value, copy_constraint,
5297 swap_constraint_variables, scale_constraint_variable, ): New.
5298 (get_lower_bound, get_upper_bound): Removed.
5299 (graphite_trans_bb_strip_mine): Clean up this code that works
5300 only for constant number of iterations. Fully copy upper and
5301 lower bound constraints, not only the constant part of them.
5302 * graphite.h (debug_value): Declared.
5304 2009-01-08 Ira Rosen <irar@il.ibm.com>
5306 PR tree-optimization/37194
5307 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5308 Don't add the cost of cost model guard in prologue to scalar
5309 outside cost in case of known number of iterations.
5311 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5312 Alan Modra <amodra@bigpond.net.au>
5314 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5315 non-word-aligned REG+CONST addressing.
5317 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5320 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5321 free_after_compilation when outputting a thunk.
5322 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5323 Do not call free_after_compilation here.
5325 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5327 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5328 (ix86_valid_target_attribute_inner_p): Ditto.
5330 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5332 PR tree-optimization/38492
5333 PR tree-optimization/38498
5334 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5335 * tree-chrec.h (scev_is_linear_expression): Declared.
5336 * graphite.c (graphite_cannot_represent_loop_niter): New.
5337 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5338 (graphite_loop_normal_form): Use gcc_assert.
5339 (scan_tree_for_params): Use CASE_CONVERT.
5340 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5341 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5342 Use gcc_assert. Discard scops that contain unhandled cases.
5343 (build_scop_conditions): Return a boolean status for unhandled cases.
5344 (strip_mine_profitable_p): Print the loop number, not its depth.
5345 (is_interchange_valid): Pass the depth of the loop nest, don't
5346 recompute it wrongly.
5347 (graphite_trans_bb_block): Same.
5348 (graphite_trans_bb_block): Print tentative of loop blocking.
5349 (graphite_trans_scop_block): Do not print that the loop has been
5351 (graphite_transform_loops): Do not handle scops that contain condition
5354 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5356 AVX Programming Reference (December, 2008)
5357 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5358 (_mm256_stream_pd): Likewise.
5359 (_mm256_stream_ps): Likewise.
5361 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5362 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5363 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5364 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5365 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5366 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5367 (ix86_expand_special_args_builtin): Likewise.
5369 * config/i386/sse.md (AVXMODEDI): New.
5370 (avx_movnt<mode>): Likewise.
5371 (avx_movnt<mode>): Likewise.
5372 (<sse>_movnt<mode>): Remove AVX support.
5373 (sse2_movntv2di): Likewise.
5375 2009-01-07 Richard Guenther <rguenther@suse.de>
5378 * fold-const.c (extract_muldiv): Remove obsolete comment.
5379 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5380 to PLUS_EXPR canonicalization for the canonicalization.
5382 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5384 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5385 hosted cross-compilers generating less efficient code.
5387 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5389 * function.h (rtl_data): Add a dbr_scheduled_p field.
5390 * reorg.c (dbr_schedule): Set it.
5391 (gate_handle_delay_slots): Check it.
5392 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5393 (mips_reorg): Check flag_delayed_branch instead of
5394 mips_base_delayed_branch.
5395 (mips_override_options): Don't set mips_base_delayed_branch
5396 or flag_delayed_branch.
5398 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5400 PR rtl-optimization/38426.
5401 * ira.c (ira): Set current_function_is_leaf earlier.
5403 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5405 PR rtl-optimization/38722
5406 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5407 too early, only set a flag and modify after last possible
5410 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5413 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5414 * real.c (decimal_single_format): Correct values of emin and emax.
5415 (decimal_double_format): Ditto.
5416 (decimal_quad_format): Ditto.
5417 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5418 computation of DECnn_MIN and DECnn_MAX for corrected values of
5419 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5420 __DECnn_MIN__, and adjust its computation for the corrected value
5423 2009-01-06 Jan Hubicka <jh@suse.cz>
5426 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5428 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5430 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5431 Add Robert Clark to the list of testers.
5433 2009-01-06 Jan Hubicka <jh@suse.cz>
5434 Kai Tietz <kai.tietz@onevision.com>
5436 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5437 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5439 2009-01-06 Jan Hubicka <jh@suse.cz>
5440 Kai Tietz <kai.tietz@onevision.com>
5442 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5444 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5445 (ix86_nsaved_regs): Count only general purpose regs.
5446 (ix86_nsaved_sseregs): New.
5447 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5448 to 16 for w64; compute padding and size of sse reg save area.
5449 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5450 general purpose regs.
5451 (ix86_emit_save_sse_regs_using_mov): New.
5452 (ix86_expand_prologue): Save SSE regs if needed.
5453 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5454 (ix86_emit_restore_sse_regs_using_mov): New.
5455 (ix86_expand_epilogue): Save SSE regs if needed.
5457 2009-01-06 Jan Hubicka <jh@suse.cz>
5458 Kai Tietz <kai.tietz@onevision.com>
5460 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5461 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5462 functions when accumulate outgoing args is off.
5464 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5467 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5468 before using pseudos_have_intersected_live_ranges_p.
5470 * ira-int.h (ira_assert): Always define.
5472 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5474 AVX Programming Reference (December, 2008)
5475 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5476 (_mm256_permute2_pd): Likewise.
5477 (_mm_permute2_ps): Likewise.
5478 (_mm256_permute2_ps): Likewise.
5479 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5480 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5482 * config/i386/i386.c (ix86_builtins): Remove
5483 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5484 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5485 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5486 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5487 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5488 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5489 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5490 __builtin_ia32_vpermil2ps256.
5491 (ix86_init_mmx_sse_builtins): Updated.
5492 (ix86_expand_args_builtin): Likewise.
5494 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5496 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5497 long absolute calls when generating PA 2.0 code.
5499 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5501 PR rtl-optimization/38583
5502 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5504 * params.def (ira-max-conflict-table-size): New.
5506 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5508 * ira.h (ira_conflicts_p): New external definition.
5510 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5511 table. Report this. Return result of building.
5512 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5513 building conflict table.
5515 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5516 (ira_color): Use ira_conflicts_p.
5518 * global.c: Include ira.h.
5519 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5522 * Makefile.in (global.o): Add ira.h.
5524 * ira-build.c (mark_all_loops_for_removal,
5525 propagate_some_info_from_allocno): New.
5526 (remove_unnecessary_allocnos): Call
5527 propagate_some_info_from_allocno.
5528 (remove_low_level_allocnos): New.
5529 (remove_unnecessary_regions): Add parameter. Call
5530 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5531 parameter to remove_unnecessary_regions.
5532 (ira_build): Remove all regions but root if the conflict table was
5533 not built. Update conflict hard regs for allocnos crossing calls.
5535 * ira.c (ira_conflicts_p): New global.
5536 (ira): Define and use ira_conflicts_p.
5538 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5539 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5540 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5542 2009-01-06 Ben Elliston <bje@au.ibm.com>
5544 * gengtype-lex.l (YY_NO_INPUT): Define.
5546 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5549 * c-common.c (handle_vector_size_attribute): Also reject
5552 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5554 PR tree-optimization/38492
5555 * graphite.c (rename_map_elt, debug_rename_elt,
5556 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5557 rename_map_elt_info, eq_rename_map_elts,
5558 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5559 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5560 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5561 (sese_build_livein_liveouts): New.
5562 (new_sese, free_sese): New.
5563 (new_scop): Call new_sese.
5564 (free_scop): Call free_sese.
5565 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5566 (register_old_new_names): Renamed register_old_and_new_names.
5567 (register_scop_liveout_renames, add_loop_exit_phis,
5568 insert_loop_close_phis, struct igp,
5569 default_liveout_before_guard, add_guard_exit_phis,
5570 insert_guard_phis, copy_renames): New.
5571 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5572 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5573 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5574 (scop_adjust_phis_for_liveouts): New.
5575 (gloog): Call scop_adjust_phis_for_liveouts.
5577 * graphite.h (struct sese): Documented. Added fields liveout,
5579 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5580 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5581 (struct scop): Added field liveout_renames.
5582 (SCOP_LIVEOUT_RENAMES): New.
5584 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5586 PR tree-optimization/38510
5587 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5588 (translate_clast): Call recompute_all_dominators before
5590 (gloog): Call recompute_all_dominators before graphite_verify.
5592 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5593 Jan Sjodin <jan.sjodin@amd.com>
5595 PR tree-optimization/38500
5596 * graphite.c (create_sese_edges): Call fix_loop_structure after
5599 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5601 * config.gcc: Add m32r*-*-rtems*.
5602 * config/m32r/rtems.h: New file.
5604 2009-01-05 Ben Elliston <bje@au.ibm.com>
5606 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5607 (.po.pox): Likewise.
5608 (po/gcc.pot): Likewise.
5610 2009-01-04 David S. Miller <davem@davemloft.net>
5612 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5613 (STARTING_FRAME_OFFSET): Always set to zero.
5615 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5617 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5618 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5619 fixed-point types, and vectors of the same.
5621 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5623 * config/mips/sync.md (*mb_barrier): Rename to...
5624 (*memory_barrier): ...this.
5626 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5628 * doc/extend.texi (Function Attributes): Move @cindex after @item
5629 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5630 and put in alphabetical order. Fix 'target' name and put in order.
5631 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5634 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5636 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5637 (memory_barrier): Expand as unspec instead of unspec_volatile.
5638 Remove mem:BLK from insn operands. Use Pmode scratch register.
5639 (*memory_barrier): Define as unspec instead of unspec_volatile.
5640 Use (match_dup 0) as input operand.
5642 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5643 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5644 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5645 scratch register. Remove operand 1.
5646 (*stbar): Define as unspec instead of unspec_volatile.
5647 Use (match_dup 0) as input operand, remove (const_int 8).
5648 (*membar): Define as unspec instead of unspec_volatile.
5649 Use (match_dup 0) as input operand, remove input operand 2.
5651 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
5652 (memory_barrier): Expand as unspec instead of unspec_volatile.
5653 Remove mem:BLK from insn operands. Use Pmode scratch register.
5654 (*memory_barrier): Define as unspec instead of unspec_volatile.
5655 Use (match_dup 0) as input operand.
5657 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
5658 Remove mem:BLK from insn operands. Use Pmode scratch register.
5659 Set volatile flag on operand 0.
5660 (*memory_barrier): New insn pattern.
5662 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
5664 (*memory_barrier): Use (match_dup 0) as input operand.
5666 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
5667 Remove mem:BLK from insn operands. Use Pmode scratch register.
5668 Set volatile flag on operand 0.
5669 (*mb_internal): New insn pattern.
5671 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
5673 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5676 * function.c (struct temp_slot): Move to the section of the file
5677 that deals with temp slots. Remove field 'address'.
5678 (temp_slot_address_table): New hash table of address -> temp slot.
5679 (struct temp_slot_address_entry): New struct, items for the table.
5680 (temp_slot_address_compute_hash, temp_slot_address_hash,
5681 temp_slot_address_eq, insert_temp_slot_address): Support functions
5683 (find_temp_slot_from_address): Rewrite to use the new hash table.
5684 (remove_unused_temp_slot_addresses): Remove addresses of temp
5685 slots that have been made available.
5686 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
5687 worker function for remove_unused_temp_slot_addresses.
5688 (assign_stack_temp_for_type): Don't clear the temp slot address list.
5689 Add the temp slot address to the address -> temp slot map.
5690 (update_temp_slot_address): Update via insert_temp_slot_address.
5691 (free_temp_slots): Call remove_unused_temp_slot_addresses.
5692 (pop_temp_slots): Likewise.
5693 (init_temp_slots): Allocate the address -> temp slot map, or empty
5694 the map if it is already allocated.
5695 (prepare_function_start): Initialize temp slot processing.
5697 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5700 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
5701 Calculate the size of all stack vars assuming no packing of stack
5702 vars will happen, replacing a quadratic algorithm with a linear one.
5704 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5707 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
5710 2009-01-03 Diego Novillo <dnovillo@google.com>
5712 * doc/contrib.texi: Update contributions.
5714 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5717 * builtins.c (fold_builtin_memory_op): Give up if either operand
5718 is volatile. Set srctype or desttype to non-qualified version
5722 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
5725 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
5727 PR rtl-optimization/35805
5728 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
5729 problem if fast dce is able to remove any instructions.
5730 * dce.c (dce_process_block): Fix dump message.
5732 2009-01-02 Mark Mitchell <mark@codesourcery.com>
5735 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
5737 2009-01-02 Jakub Jelinek <jakub@redhat.com>
5740 * tree-flow.h (op_code_prio, op_prio): New prototypes.
5741 * tree-pretty-print.c (op_code_prio): New function.
5742 (op_prio): No longer static. Use op_code_prio.
5743 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
5744 Use op_prio and op_code_prio to determine if () should be
5745 printed around operand(s) or not.
5747 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
5748 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
5749 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
5750 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
5751 pp_character instead of pp_string for single letter printing.
5753 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5755 * doc/extend.texi: Fix '#pragma GCC option' typo.
5757 2009-01-02 Richard Guenther <rguenther@suse.de>
5759 * doc/install.texi (--enable-checking): Mention different
5761 (--enable-stage1-checking): Document.
5763 2009-01-01 Andrew Pinski <pinskia@gmail.com>
5766 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
5767 case to be an error.
5769 2009-01-02 Ben Elliston <bje@au.ibm.com>
5771 * config/fp-bit.h (pack_d): Constify argument.
5772 * config/fp-bit.c (makenan): Constify return type. Remove casts.
5773 (isnan): Constify argument.
5777 (_fpadd_parts): Constify return type.
5778 (_fpmul_parts): Likewise.
5779 (_fpdiv_parts): Likewise.
5781 2009-01-01 Jakub Jelinek <jakub@redhat.com>
5784 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
5785 warn about overwriting initializer with side-effects or
5786 -Woverride-init if !IMPLICIT.
5787 (output_init_element): Likewise. Pass IMPLICIT down to
5789 (process_init_element): Add IMPLICIT argument. Pass it down
5790 to output_init_element.
5791 (push_init_element, pop_init_level, set_designator): Adjust
5792 process_init_element callers.
5793 (set_nonincremental_init, set_nonincremental_init_from_string):
5794 Adjust add_pending_init callers.
5795 (output_pending_init_elements): Adjust output_init_element callers.
5796 * c-tree.h (process_init_element): Adjust prototype.
5797 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
5798 process_init_element callers.