1 2009-04-05 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/39648
4 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
5 our &A vs. &A[0] IL deficiencies.
7 2009-04-04 Jan Hubicka <jh@suse.cz>
9 * except.c (sjlj_find_directly_reachable_regions): Be ready for
10 removed toplevel regions.
11 (sjlj_mark_call_sites): Likewise.
13 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
15 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
16 (cygwin tm clause use_gcc_stdint): Set to wrap.
17 * config/i386/cygwin-stdint.h: New file.
19 2009-04-04 Richard Guenther <rguenther@suse.de>
21 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
22 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
23 single-argument PHIs if we are in loop-closed SSA form.
24 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
25 for the pre-condition.
26 (slpeel_tree_peel_loop_to_edge): Likewise.
27 (vect_build_loop_niters): Take an optional sequence to append stmts.
28 (vect_generate_tmps_on_preheader): Likewise.
29 (vect_do_peeling_for_loop_bound): Take extra guards for the
31 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
33 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
34 guards if we are going to peel. Do not apply versioning in that
36 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
37 (vect_do_peeling_for_loop_bound): Likewise.
38 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
39 loop bound only record extra pre-conditions, do not apply loop
42 2009-04-04 Richard Guenther <rguenther@suse.de>
44 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
47 2009-04-04 Jan Hubicka <jh@suse.cz>
49 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
50 last_basic_block for size of bb->index indexed array.
51 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
52 compute_out, link_btr_uses, build_btr_def_use_webs,
53 build_btr_def_use_webs, migrate_btr_defs): Likewise.
55 2009-04-04 Jan Hubicka <jh@suse.cz>
57 * except.c (remove_eh_handler_and_replace): Break out from ...
58 (remove_eh_handler): ... here.
59 (bring_to_root): New function.
60 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
61 handled ones, bring others to root of tree.
63 2009-04-04 Jan Hubicka <jh@suse.cz>
65 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
66 (all_phis_safe_to_merge): New function.
67 (update_info): New structure.
68 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
69 (cleanup_empty_eh): Update SSA if possible.
71 2009-04-04 Richard Guenther <rguenther@suse.de>
73 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
74 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
75 (append_vuse): Likewise.
77 2009-04-04 Jakub Jelinek <jakub@redhat.com>
79 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
80 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
81 instead of REG_UNSAVED for DW_CFA_undefined.
82 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
83 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
86 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
89 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
90 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
91 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
93 2009-04-04 Richard Guenther <rguenther@suse.de>
95 PR tree-optimization/8781
96 PR tree-optimization/37892
97 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
98 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
99 (valueize_refs): Call it for *& valueizations.
100 (shared_reference_ops_from_ref): Rename to ...
101 (valueize_shared_reference_ops_from_ref): ... this and valueize.
102 (shared_reference_ops_from_call): Rename to ...
103 (valueize_shared_reference_ops_from_call): ... this and valueize.
104 (vn_reference_lookup): Update.
105 (visit_reference_op_call): Likewise.
106 * tree-ssa-pre.c (phi_translate_1): Fold *&.
107 (eliminate): Value-replace the call address in call statements.
109 2009-04-04 Richard Guenther <rguenther@suse.de>
111 PR tree-optimization/39636
112 * tree-ssa-forwprop.c
113 (forward_propagate_addr_into_variable_array_index): Check for
114 GIMPLE_ASSIGN before accessing the rhs code.
116 2009-04-03 Jason Merrill <jason@redhat.com>
118 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
120 2009-04-03 Steve Ellcey <sje@cup.hp.com>
122 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
123 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
124 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
125 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
126 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
127 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
128 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
129 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
130 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
131 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
132 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
133 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
134 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
135 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
136 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
137 Use fr_reg_or_fp01_operand instead of fr_register_operand
139 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
140 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
141 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
143 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
145 PR rtl-optimization/39607
146 PR rtl-optimization/39631
148 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
149 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
150 instead of DF_LR_OUT.
151 * ira-lives.c (process_bb_node_lives): Ditto.
152 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
153 instead of DF_LR_{OUT,IN}.
154 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
155 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
157 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
159 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
160 (execute_lower_omp): Always run but take the short way out if -fopenmp
162 (gate_lower_omp): Remove, forcing the pass manager to always run the
163 pass and always set PROP_gimple_lomp.
164 (pass_lower_omp): Remove gate function.
165 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
166 PROP_trees. Instead, require it.
167 * ipa-cp.c (pass_ipa_cp): Likewise.
168 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
169 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
170 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
173 2009-04-03 Richard Guenther <rguenther@suse.de>
176 PR tree-optimization/23940
177 PR tree-optimization/33237
180 PR tree-optimization/36201
181 PR tree-optimization/36230
182 PR tree-optimization/38049
183 PR tree-optimization/38207
184 PR tree-optimization/38230
185 PR tree-optimization/38301
186 PR tree-optimization/38585
188 PR tree-optimization/38985
189 PR tree-optimization/39299
190 * tree-ssa-structalias.h: Remove.
191 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
192 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
193 (struct vuse_element_d): Remove.
194 (struct vuse_vec_d): Likewise.
195 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
196 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
197 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
198 VUSE_ELEMENT_VAR): Likewise.
199 (struct voptype_d): Likewise.
200 (NUM_VOP_FREE_BUCKETS): Likewise.
201 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
202 (struct stmt_operands_d): Remove.
203 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
204 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
205 VDEF_NUM, VDEF_VECT): Likewise.
206 (copy_virtual_operands): Remove.
207 (operand_build_cmp): Likewise.
208 (create_ssa_artificial_load_stmt): Likewise.
209 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
210 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
211 vuse_index and mayuse_index members. Pack and move done and iter_type
212 members to the front.
213 (SSA_OP_VMAYUSE): Remove.
214 (SSA_OP_VIRTUAL_USES): Adjust.
215 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
216 (unlink_stmt_vdef): Declare.
217 (add_to_addressable_set): Remove.
218 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
219 (vrp_visit_stmt): Likewise.
220 * doc/tree-ssa.texi (Alias analysis): Update.
221 * doc/invoke.texi (max-aliased-vops): Remove docs.
222 (avg-aliased-vops): Likewise.
223 * tree-into-ssa.c (syms_to_rename): Remove.
224 (need_to_update_vops_p): Likewise.
225 (need_to_initialize_update_ssa_p): Rename to ...
226 (update_ssa_initialized_fn): ... this. Track function we are
228 (symbol_marked_for_renaming): Simplify.
229 (add_new_name_mapping): Do not set need_to_update_vops_p.
230 (dump_currdefs): Use SYMS_TO_RENAME.
231 (rewrite_update_stmt): Always walk all uses/defs.
232 (dump_update_ssa): Adjust.
233 (init_update_ssa): Take function argument. Track what we are
235 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
236 (create_new_def_for): Initialize for cfun, assert we are initialized
238 (mark_sym_for_renaming): Simplify.
239 (mark_set_for_renaming): Do not initialize update-ssa.
240 (need_ssa_update_p): Simplify. Take function argument.
241 (name_mappings_registered_p): Assert we ask for the correct function.
242 (name_registered_for_update_p): Likewise.
243 (ssa_names_to_replace): Likewise.
244 (release_ssa_name_after_update_ssa): Likewise.
245 (update_ssa): Likewise. Use SYMS_TO_RENAME.
246 (dump_decl_set): Do not print a newline.
247 (debug_decl_set): Do it here.
248 (dump_update_ssa): And here.
249 * tree-ssa-loop-im.c (move_computations): Adjust.
250 (movement_possibility): Likewise.
251 (determine_max_movement): Likewise.
252 (gather_mem_refs_stmt): Likewise.
253 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
255 * tree-complex.c (update_all_vops): Remove.
256 (expand_complex_move): Adjust.
257 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
258 Simplify test for memory referencing statement. Exclude
259 non-invariant ADDR_EXPRs.
260 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
261 * tree-loop-distribution.c (generate_memset_zero): Adjust.
262 (rdg_flag_uses): Likewise.
263 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
265 (tree_optimize_tail_calls_1): Also split the
266 edge from the entry block if we have degenerate PHI nodes in
267 the first basic block.
268 * tree.c (init_ttree): Remove memory-tag related code.
269 (tree_code_size): Likewise.
270 (tree_node_structure): Likewise.
271 (build7_stat): Re-write to be build6_stat.
272 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
274 (struct tree_memory_tag): Remove.
275 (struct tree_memory_partition_tag): Likewise.
276 (union tree_node): Adjust.
277 (build7): Re-write to be build6.
278 * tree-pass.h (pass_reset_cc_flags): Remove.
279 (TODO_update_address_taken): New flag.
280 (pass_simple_dse): Remove.
281 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
282 * params.h (MAX_ALIASED_VOPS): Remove.
283 (AVG_ALIASED_VOPS): Likewise.
284 * omp-low.c (expand_omp_taskreg): Update SSA form.
285 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
286 aliases the lhs in a copy stmt.
287 * tree-ssa-dse.c (struct address_walk_data): Remove.
288 (memory_ssa_name_same): Likewise.
289 (memory_address_same): Likewise.
290 (get_kill_of_stmt_lhs): Likewise.
291 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
292 unused stores. Look through PHI nodes into post-dominated regions.
293 (dse_optimize_stmt): Simplify. Properly remove stores.
294 (tree_ssa_dse): Compute dominators.
295 (execute_simple_dse): Remove.
296 (pass_simple_dse): Likewise.
297 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
298 gimple_loaded_syms and gimple_stored_syms computation.
299 * toplev.c (dump_memory_report): Dump alias and pta stats.
300 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
301 (vn_reference_eq): Likewise.
302 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
303 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
304 valueize_vuses): Remove.
305 (get_def_ref_stmt_vuses): Simplify. Rename to ...
306 (get_def_ref_stmt_vuse): ... this.
307 (vn_reference_lookup_2): New function.
308 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
309 walking equivalent vuses. Simplify.
310 (vn_reference_lookup): Likewise.
311 (vn_reference_insert): Likewise.
312 (vn_reference_insert_pieces): Likewise.
313 (visit_reference_op_call): Simplify.
314 (visit_reference_op_load): Likewise.
315 (visit_reference_op_store): Likewise.
316 (init_scc_vn): Remove shared_lookup_vuses initialization.
317 (free_scc_vn): Remove shared_lookup_vuses freeing.
318 (sort_vuses, sort_vuses_heap): Remove.
319 (get_ref_from_reference_ops): Export.
320 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
321 vector with single vuse pointer.
322 (vn_reference_lookup_pieces, vn_reference_lookup,
323 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
324 (shared_vuses_from_stmt): Remove.
325 (get_ref_from_reference_ops): Declare.
326 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
327 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
328 memory-tag related code.
329 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
330 (likely_value): Add comment, skip static-chain of call statements.
331 (surely_varying_stmt_p): Adjust.
332 (gimplify_and_update_call_from_tree): Likewise.
333 (execute_fold_all_builtins): Do not rebuild alias info.
334 (gimplify_and_update_call_from_tree): Properly update VOPs.
335 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
336 (copy_ref_info): Remove memory-tag related code.
337 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
338 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
339 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
341 * tree-ssa-dom.c (gimple_p): Remove typedef.
342 (eliminate_redundant_computations): Adjust.
343 (record_equivalences_from_stmt): Likewise.
344 (avail_expr_hash): Likewise.
345 (avail_expr_eq): Likewise.
346 * tree-ssa-propagate.c (update_call_from_tree): Properly
348 (stmt_makes_single_load): Likewise.
349 (stmt_makes_single_store): Likewise.
350 * tree-ssa-alias.c: Rewrite completely.
351 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
352 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
353 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
354 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
355 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
356 Remove public functions.
357 (pass_reset_cc_flags): Remove.
358 (pass_build_alias): Move ...
359 * tree-ssa-structalias.c (pass_build_alias): ... here.
360 * tree-ssa-alias.c (may_be_aliased): Move ...
361 * tree-flow-inline.h (may_be_aliased): ... here.
362 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
363 count_uses_and_derefs): Move ...
364 * gimple.c: ... here.
365 * gimple.h (count_uses_and_derefs): Declare.
366 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
367 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
368 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
369 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
370 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
371 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
372 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
374 * tree-dfa.c (refs_may_alias_p): Move ...
375 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
376 * tree-ssa-alias.h: New file.
377 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
378 (statement_sink_location): Likewise.
379 * opts.c (decode_options): Do not adjust max-aliased-vops or
380 avg-aliased-vops values.
381 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
382 (TV_CALL_CLOBBER): Likewise.
383 (TV_FLOW_SENSITIVE): Likewise.
384 (TV_FLOW_INSENSITIVE): Likewise.
385 (TV_MEMORY_PARTITIONING): Likewise.
386 (TV_ALIAS_STMT_WALK): New timevar.
387 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
388 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
389 (get_address_description): Remove memory-tag related code.
390 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
391 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
392 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
393 and immediate uses in statements. Document.
394 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
395 (dump_symbols): Remove.
396 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
397 * alias.c (get_deref_alias_set): New function split out from ...
398 (get_alias_set): ... here.
399 * alias.h (get_deref_alias_set): Declare.
400 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
401 type parameter. Remove restrict pointer handling. Create a
402 ref-all pointer in case type-based alias sets do not conflict.
403 (vect_analyze_data_refs): Remove SMT related code.
404 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
405 (vectorizable_load): Likewise.
406 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
407 (DR_SYMBOL_TAG, DR_VOPS): Remove.
408 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
409 Ignore vops and SMTs.
410 (dr_analyze_alias): Likewise..
411 (free_data_ref): Likewise.
412 (create_data_ref): Likewise.
413 (analyze_all_data_dependences): Likewise.
414 (get_references_in_stmt): Adjust.
415 * tree-flow-inline.h (gimple_aliases_computed_p,
416 gimple_addressable_vars, gimple_call_clobbered_vars,
417 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
418 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
419 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
420 gimple_mem_ref_stats): Remove.
421 (gimple_vop): New function.
422 (op_iter_next_use): Remove vuses and mayuses cases.
423 (op_iter_next_def): Remove vdefs case.
424 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
425 (clear_and_done_ssa_iter): Do not set removed fields.
426 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
427 Assert we are not iterating over vuses or vdefs if not also
428 iterating over uses or defs.
429 (op_iter_init_use): Likewise.
430 (op_iter_init_def): Likewise.
431 (op_iter_next_vdef): Remove.
432 (op_iter_next_mustdef): Likewise.
433 (op_iter_init_vdef): Likewise.
434 (compare_ssa_operands_equal): Likewise.
435 (link_use_stmts_after): Handle vuse operand.
436 (is_call_used): Use is_call_clobbered.
437 (is_call_clobbered): Global variables are always call clobbered,
438 query the call-clobbers bitmap.
439 (mark_call_clobbered): Ignore global variables.
440 (clear_call_clobbered): Likewise.
441 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
442 virtual operands sanity check.
443 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
445 (TARGET_MEM_REF): Remove TMR_TAG operand.
446 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
447 Remove call-clobber related code.
448 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
449 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
450 partitions or escape reason.
451 (get_single_def_stmt, get_single_def_stmt_from_phi,
452 get_single_def_stmt_with_phi): Remove.
453 (dump_referenced_vars): Tidy.
454 (get_ref_base_and_extent): Allow bare decls.
455 (collect_dfa_stats): Adjust.
456 * graphite.c (rename_variables_in_stmt): Adjust.
457 (graphite_copy_stmts_from_block): Likewise.
458 (translate_clast): Likewise.
459 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
461 (translate_vuse_through_block): Use the oracle.
462 (phi_translate_1): Adjust.
463 (value_dies_in_block_x): Use the oracle. Cache the outcome
465 (valid_in_sets): Check if the VUSE for
466 a REFERENCE is available.
467 (eliminate): Do not remove stmts during elimination,
468 instead queue and remove them afterwards.
469 (do_pre): Do not rebuild alias info.
470 (pass_pre): Run TODO_rebuild_alias before PRE.
471 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
472 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
473 (mark_all_v_defs_stmt): Remove.
474 (mark_all_v_defs_seq): Adjust.
475 (sra_replace): Likewise.
476 (scalarize_use): Likewise.
477 (scalarize_copy): Likewise.
478 (scalarize_init): Likewise.
479 (scalarize_ldst): Likewise.
481 (tree_sra): Do not rebuild alias info.
482 (tree_sra_early): Adjust.
483 (pass_sra): Run TODO_update_address_taken before SRA.
484 * tree-predcom.c (set_alias_info): Remove.
485 (prepare_initializers_chain): Do not call it.
486 (mark_virtual_ops_for_renaming): Adjust.
487 (mark_virtual_ops_for_renaming_list): Remove.
488 (initialize_root_vars): Adjust.
489 (initialize_root_vars_lm): Likewise.
490 (prepare_initializers_chain): Likewise.
491 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
492 (may_propagate_copy_into_stmt): Likewise.
493 (merge_alias_info): Do nothing for now.
494 (propagate_tree_value_into_stmt): Adjust.
495 (stmt_may_generate_copy): Likewise.
496 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
497 not mark symbols for renaming.
498 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
499 with the same statement, make sure to update the new pointed-to one.
500 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
501 call statements, do not mark symbols for renaming.
502 (mark_operand_necessary): Dump something.
503 (ref_may_be_aliased): New function.
504 (mark_aliased_reaching_defs_necessary_1): New helper function.
505 (mark_aliased_reaching_defs_necessary): Likewise.
506 (mark_all_reaching_defs_necessary_1): Likewise.
507 (mark_all_reaching_defs_necessary): Likewise.
508 (propagate_necessity): Do not process virtual PHIs. For
509 non-aliased loads mark all reaching definitions as necessary.
510 For aliased loads and stores mark the immediate dominating
511 aliased clobbers as necessary.
512 (visited): New global static.
513 (perform_tree_ssa_dce): Free visited bitmap after propagating
515 (remove_dead_phis): Perform simple dead virtual PHI removal.
516 (remove_dead_stmt): Properly unlink virtual operands when
518 (eliminate_unnecessary_stmts): Schedule PHI removal after
520 * tree-ssa-ter.c (is_replaceable_p): Adjust.
521 (process_replaceable): Likewise.
522 (find_replaceable_in_bb): Likewise.
523 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
524 based on the single gimple vop.
525 (verify_flow_insensitive_alias_info): Remove.
526 (verify_flow_sensitive_alias_info): Likewise.
527 (verify_call_clobbering): Likewise.
528 (verify_memory_partitions): Likewise.
529 (verify_alias_info): Likewise.
530 (verify_ssa): Adjust..
531 (execute_update_addresses_taken): Export. Update SSA
532 manually. Optimize only when optimizing. Use a local bitmap.
533 (pass_update_address_taken): Remove TODO_update_ssa, add
535 (pass_update_address_taken): Just use TODO_update_address_taken.
536 (init_tree_ssa): Do not initialize addressable_vars.
537 (verify_ssa): Verify new VUSE / VDEF properties.
538 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
539 Do not call verify_alias_info.
540 (delete_tree_ssa): Clear the VUSE, VDEF operands.
541 Do not free the loaded and stored syms bitmaps. Reset the escaped
542 and callused solutions. Do not free addressable_vars.
543 Remove memory-tag related code.
544 (warn_uninitialized_var): Aliases are always available.
545 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
546 * lambda-code.c (can_put_in_inner_loop): Adjust.
547 (can_put_after_inner_loop): Likewise.
548 (perfect_nestify): Likewise.
549 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
550 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
551 (vectorizable_conversion): Do not mark symbols for renaming.
552 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
553 (expand_call_inline): Unlink the calls virtual operands before
555 (tree_function_versioning): Do not call update_ssa if we are not
556 updating clones. Simplify.
557 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
558 (propagate_with_phi): Likewise..
559 * tree-outof-ssa.c (create_temp): Remove memory tag and call
560 clobber code. Assert we are not aliased or global.
561 * tree-flow.h: Include tree-ssa-alias.h
562 (enum escape_type): Remove.
563 (struct mem_sym_stats_d): Likewise.
564 (struct mem_ref_stats_d): Likewise.
565 (struct gimple_df): Add vop member. Remove global_var,
566 call_clobbered_vars, call_used_vars, addressable_vars,
567 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
568 escaped and callused members.
569 (struct ptr_info_def): Remove all members, add points-to solution
571 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
572 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
573 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
574 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
575 (tree-ssa-alias.o): Likewise.
576 (toplev.o): Add tree-ssa-alias.h
577 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
578 * gimple.c (gimple_set_bb): Fix off-by-one error.
579 (is_gimple_reg): Do not handle memory tags.
580 (gimple_copy): Also copy virtual operands.
581 Delay updating the statement. Do not reset loaded and stored syms.
582 (gimple_set_stored_syms): Remove.
583 (gimple_set_loaded_syms): Likewise.
584 (gimple_call_copy_skip_args): Copy the virtual operands
585 and mark the new statement modified.
586 * tree-ssa-structalias.c (may_alias_p): Remove.
587 (set_uids_in_ptset): Take the alias set to prune with as
588 parameter. Fold in the alias test of may_alias_p.
589 (compute_points_to_sets): Compute whether a ptr is dereferenced
591 (process_constraint): Deal with &ANYTHING on the lhs, reject all
592 other ADDRESSOF constraints on the lhs.
593 (get_constraint_for_component_ref): Assert that we don't get
594 ADDRESSOF constraints from the base of the reference.
595 Properly generate UNKNOWN_OFFSET for DEREF if needed.
596 (struct variable_info): Remove collapsed_to member.
597 (get_varinfo_fc): Remove.
598 (new_var_info): Do not set collapsed_to.
599 (dump_constraint): Do not follow cycles.
600 (dump_constraint_graph): Likewise.
601 (build_pred_graph): Likewise.
602 (build_succ_graph): Likewise.
603 (rewrite_constraints): Likewise.
604 (do_simple_structure_copy): Remove.
605 (do_rhs_deref_structure_copy): Remove.
606 (do_lhs_deref_structure_copy): Remove.
607 (collapse_rest_of_var): Remove.
608 (do_structure_copy): Re-implement.
609 (pta_stats): New global variable.
610 (dump_pta_stats): New function.
611 (struct constraint_expr): Make offset signed.
612 (UNKNOWN_OFFSET): Define special value.
613 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
614 (solution_set_expand): New helper function split out from ...
615 (do_sd_constraint): ... here.
616 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
617 (do_ds_constraint): Likewise.
618 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
619 and CALLUSED = *CALLUSED.
620 (set_union_with_increment): Make inc argument signed.
622 (get_constraint_for_ptr_offset): Handle unknown and negative
624 (first_vi_for_offset): Handle offsets before start. Bail
625 out early for offsets beyond the variable extent.
626 (first_or_preceding_vi_for_offset): New function.
627 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
628 Together with ESCAPED = *ESCAPED this properly computes reachability.
629 (find_what_var_points_to): New function.
630 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
631 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
632 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
633 pt_solutions_intersect): New functions.
634 (compute_call_used_vars): Remove.
635 (compute_may_aliases): New main entry into PTA computation.
636 * gimple.h (gimple_p): New typedef.
637 (struct gimple_statement_base): Remove references_memory_p.
638 (struct gimple_statement_with_memory_ops_base): Remove
639 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
641 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
642 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
643 gimple_set_references_memory): Remove.
644 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
645 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
647 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
648 (verify_expr): Allow RESULT_DECL.
649 (gimple_duplicate_bb): Do not copy virtual operands.
650 (gimple_duplicate_sese_region): Adjust.
651 (gimple_duplicate_sese_tail): Likewise.
652 (mark_virtual_ops_in_region): Remove.
653 (move_sese_region_to_fn): Do not call it.
654 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
656 (execute_function_todo): Handle TODO_update_address_taken,
657 call execute_update_addresses_taken for TODO_rebuild_alias.
658 (execute_todo): Adjust.
659 (execute_one_pass): Init dump files early.
660 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
662 (create_general_new_stmt): Clear vops.
663 * tree-ssa-reassoc.c (get_rank): Adjust.
664 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
665 symbols for renaming.
666 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
667 (PARAM_AVG_ALIASED_VOPS): Likewise.
668 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
669 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
670 * tree-ssa-operands.c: Simplify for new virtual operand
672 (operand_build_cmp, copy_virtual_operands,
673 create_ssa_artificial_load_stmt, add_to_addressable_set,
674 gimple_add_to_addresses_taken): Remove public functions.
675 (unlink_stmt_vdef): New function.
677 2009-04-03 Alan Modra <amodra@bigpond.net.au>
679 * config.gcc (powerpc-*-linux*): Merge variants.
681 2009-04-02 Chao-ying Fu <fu@mips.com>
682 James Grosbach <james.grosbach@microchip.com>
684 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
685 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
687 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
688 keep_interrupts_masked_p, use_debug_exception_return_p.
689 (mips_attribute_table): Add interrupt, use_shadow_register_set,
690 keep_interrupts_masked, use_debug_exception_return.
691 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
692 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
694 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
695 (mips_print_operand): Process COP0 registers to print $0 .. $31
696 correctly for GAS to process.
697 (mips_interrupt_extra_call_saved_reg_p): New function.
698 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
700 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
701 (mips_compute_frame_info): Add supports for interrupt context that
702 includes doubleword accumulators and COP0 registers.
703 (mips_for_each_saved_acc): New function.
704 (mips_for_each_saved_gpr_and_fpr): Change the function name from
705 mips_for_each_saved_reg.
706 (mips_save_reg): Save accumulators.
707 (mips_kernel_reg_p): A new for_each_rtx callback.
708 (mips_expand_prologue): Support interrupt handlers.
709 (mips_restore_reg): Restore accumulators.
710 (mips_expand_epilogue): Support interrupt handlers.
711 (mips_can_use_return_insn): Return false for interrupt handlers.
712 (mips_epilogue_uses): New function.
713 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
714 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
715 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
716 cop0_move): New instructions.
717 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
718 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
720 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
722 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
723 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
724 interrupt handlers, we use K0 as the temporary register.
725 (EPILOGUE_USES): Change to a function call.
726 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
727 handlers, we use K0 as the temporary register.
729 * doc/extend.texi (Function Attributes): Document interrupt,
730 use_shadow_register_set, keep_interrupts_masked,
731 use_debug_exception_return for MIPS attributes.
733 2009-04-03 Alan Modra <amodra@bigpond.net.au>
735 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
736 Remove a number of t-files from tmake_file.
737 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
738 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
739 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
740 target_prototype, not TARGET_PROTOTYPE.
741 (LINK_OS_GNU_SPEC): Define.
742 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
743 and darwin-ldoubdle.c.
745 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
748 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
749 (cpp_options): Ditto.
750 (default_compilers): Ditto.
751 (display_help): Ditto.
752 (process_command): Ditto.
754 (set_input): Use lbasename instead of duplicate code.
755 (save_temps_prefix): New static for -save-temps=obj.
756 (save_temps_length): Ditto.
758 * doc/invoke.texi (-save-temps=obj): Document new variant to
761 2009-04-02 Jeff Law <law@redhat.com>
763 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
766 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
768 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
769 * configure: Regenerated.
771 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
773 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
774 share the argument list.
776 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
780 2009-02-12 Diego Novillo <dnovillo@google.com>
782 * varpool.c (debug_varpool): New.
783 * cgraph.h (debug_varpool): Declare.
785 2009-04-02 Jan Hubicka <jh@suse.cz>
787 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
790 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
792 * config/i386/i386.c (ix86_abi): Move initialization to ...
793 (override_options): Here.
795 2009-04-02 Christian Bruel <christian.bruel@st.com>
797 * config/sh/sh.c (sh_dwarf_register_span): New function.
798 (TARGET_DWARF_REGISTER_SPAN): Define.
799 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
801 2009-04-02 Ira Rosen <irar@il.ibm.com>
803 PR tree-optimization/39595
804 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
805 interleaved loads group is not greater than the SLP group size.
807 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
809 * builtins.c (is_builtin_name): New.
810 (called_as_built_in): Use is_builtin_name.
811 * tree.h (is_builtin_name): New.
812 * varasm.c (incorporeal_function_p): Use is_builtin_name
814 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
816 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
818 2009-04-02 Dodji Seketeli <dodji@redhat.com>
821 * c-decl.c: (clone_underlying_type): Move this ...
822 * c-common.c (set_underlying_type): ... here.
823 Also, make sure the function properly sets TYPE_STUB_DECL() on
824 the newly created typedef variant type.
825 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
826 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
828 2009-04-02 Richard Guenther <rguenther@suse.de>
830 PR tree-optimization/37221
831 * tree-flow.h (degenerate_phi_result): Declare.
832 * tree-ssa-dom.c (degenerate_phi_result): Export.
833 * tree-scalar-evolution.c (analyze_initial_condition): If
834 the initial condition is defined by a degenerate PHI node
835 use the degenerate value.
837 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
839 PR rtl-optimization/39588
840 * combine.c (merge_outer_ops): Do not set the constant when this
842 (simplify_shift_const_1): Do not modify it either in this case.
844 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
846 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
847 tuning is deprecated if -mtune value is set to an Itanium1 variant.
849 2009-04-01 Janis Johnson <janis187@us.ibm.com>
852 * c-lex.c (interpret_float): Default (no suffix) is double.
854 2009-04-1 Xinliang David Li <davidxl@google.com>
856 * config/i386/i386.c (legitimate_constant_p): Recognize
857 all one vector constant.
859 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
861 * gcc/config/vax/vax.c: Add #includes to silence warnings.
862 Change #include order to silence two warnings.
864 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
866 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
867 (ASM_SPEC): Pass -k to the assembler for PIC code.
869 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
871 * gcc/config.gcc: Add vax-*-linux* to the switch.
872 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
873 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
875 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
877 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
878 Use predicate macros instead of GET_CODE() == foo.
879 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
880 ashlsi3, rotrsi3, <unnamed>): Likewise.
882 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
884 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
885 jbbccihi, jbbccisi): Remova trailing whitespace.
886 * gcc/config/vax/constraints.md: Likewise.
887 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
888 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
889 * gcc/config/vax/predicates.md: Likewise.
890 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
891 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
892 * gcc/config/vax/vax.h: Likewise.
893 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
895 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
897 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
898 (indirectable_address_p, adjacent_operands_p): Add spaces around
900 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
902 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
904 * gcc/config/vax/vax.c (legitimate_constant_address_p,
905 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
906 index_term_p, reg_plus_index_p, legitimate_address_p,
907 vax_mode_dependent_address_p): Update comments to match functions
908 modified by the recent int->bool conversion.
910 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
912 * gcc/config/vax/builtins.md: Update copyright message.
913 * gcc/config/vax/constraints.md: Likewise.
914 * gcc/config/vax/netbsd-elf.h: Likewise.
915 * gcc/config/vax/predicates.md: Likewise.
916 * gcc/config/vax/vax-protos.h: Likewise.
917 * gcc/config/vax/vax.c: Likewise.
918 * gcc/config/vax/vax.h: Likewise.
919 * gcc/config/vax/vax.md: Likewise.
920 * gcc/config/vax/vax.opt: Likewise.
922 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
924 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
925 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
926 * gcc/config/vax/constraints.md (B, R): Likewise.
927 * gcc/config/vax/predicates.md (external_memory_operand,
928 nonimmediate_addsub_di_operand): Likewise.
929 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
930 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
931 untyped_call): Likewise.
933 2009-04-01 Matt Thomas <matt@3am-software.com>
935 * config/vax/predicates.md: New file. (symbolic_operand,
936 local_symbolic_operand, external_symbolic_operand,
937 external_const_operand, nonsymbolic_operand, external_memory_operand,
938 indirect_memory_operand, indexed_memory_operand,
939 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
940 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
942 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
943 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
944 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
945 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
946 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
947 * config/vax/vax.opt (mqmath): Add option.
948 * config/vax/vax.md (isfx): Extend with DI.
949 (VAXintQH, VAXintQHSD): Define.
950 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
951 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
952 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
953 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
954 (movdi): Update constraints and use vax_output_int_move().
955 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
956 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
957 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
959 (mov<mode>): Extend accepted operand types.
960 (subdi3_old): Rename from subdi3, change update constraints and use
961 a new implementation.
962 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
963 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
964 MOVE_RATIO, CLEAR_RATIO): Define.
965 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
966 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
967 (PRINT_OPERAND): Redefine using a function instead of inlined code.
968 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
969 (split_quadword_operands): Make static and really allow variable
971 (print_operand_address): Update for PIC generation.
972 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
973 indexable_address_p, fixup_mathdi_operand,
974 vax_expand_addsub_di_operands, adjacent_operands_p): New.
975 (vax_float_literal, legitimate_constant_p,
976 indirectable_constant_address_p, index_term_p,
977 reg_plus_index_p): Return bool instead of int.
978 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
980 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
982 (vax_output_conditional_branch): Indent.
983 (legitimate_constant_address_p, indirectable_constant_address_p,
984 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
985 vax_mode_dependent_address_p): Return bool instead of int, update for
987 * config/vax/vax-protos.h (legitimate_constant_address_p,
988 legitimate_constant_p, legitimate_address_p,
989 vax_mode_dependent_address_p): Change declaration to bool.
990 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
991 vax_expand_addsub_di_operands, vax_output_int_subtract,
992 vax_output_movmemsi): Declare.
993 (split_quadword_operands, vax_float_literal): Delete declaration.
994 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
995 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
996 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
997 ASM_OUTPUT_DWARF_PCREL): Define.
998 (ASM_SPEC): Change definition to allow PIC generation.
1000 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1003 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1004 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1005 (booldi3_internal3): Use boolean_or_operator instead of
1008 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1011 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1012 declarator whose size is not an integer constant expression but
1013 folds to an integer constant, then treat it as a constant
1016 2009-04-01 Richard Guenther <rguenther@suse.de>
1018 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1019 i * 4 + 2 to (i * 2 + 1) * 2.
1021 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1024 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1025 return if c_parser_asm_string_literal returned NULL.
1027 2009-04-01 Nick Clifton <nickc@redhat.com>
1029 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1031 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1032 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1033 other typedefs to avoid conflicts with libgcc2.c. Define labels
1034 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1036 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1037 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1040 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1042 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1044 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1045 Andrey Galkin <agalkin@hypercom.com>
1048 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1049 Make object_name unique for each process.
1051 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1054 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1055 addressable variables in the parallel that could go out of scope while
1056 running queued tasks.
1058 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1060 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1061 (CASE_VALUES_THRESHOLD): Redefine.
1062 * config/avr/avr.c (avr_override_options): Remove initialization of
1063 avr_case_values_threshold variable.
1064 (avr_case_values_threshold): Remove variable. Add new function.
1065 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1066 * config/avr/avr.opt (mno-tablejump): Remove option.
1067 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1069 2009-04-01 DJ Delorie <dj@redhat.com>
1071 * varasm.c (default_function_rodata_section): Don't assume
1072 anything about where the first '.' in the section name is.
1074 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1076 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1077 rs6000_emit_stack_tie.
1079 2009-03-31 Ian Lance Taylor <iant@google.com>
1081 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1082 gimple_code with GIMPLE_RESX, not RESX.
1084 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1086 * c-common.c (c_get_ident): New.
1087 (c_common_nodes_and_builtins): Call it for type names that may be
1090 2009-04-01 Ben Elliston <bje@au.ibm.com>
1092 * config/rs6000/sysv4.opt (msdata): Improve option description.
1094 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1096 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1097 (divdf3_internal_lat): Remove.
1098 (divxf3_internal_lat): Remove.
1099 (divxf3_internal_thr): Remove.
1100 (divxf): Use divxf3_internal.
1101 * config/ia64/div.md (divsf3_internal_lat): New.
1102 (divdf3_internal_lat): New.
1103 (divxf3_internal): New.
1105 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1108 * Makefile.in (USE_GCC_STDINT): Define.
1109 (stmp-int-hdrs): Install stdint.h if applicable.
1110 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1112 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1113 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1114 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1115 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1116 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1117 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1118 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1119 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1120 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1121 (c_common_nodes_and_builtins): Initialize
1122 underlying_wchar_type_node. Do not initialize
1123 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1124 nodes for new types.
1125 (c_stddef_cpp_builtins): Define macros for new types.
1126 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1128 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1129 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1130 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1131 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1132 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1133 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1134 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1135 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1136 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1137 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1138 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1139 int16_type_node, int32_type_node, int64_type_node,
1140 uint8_type_node, uint16_type_node, c_uint32_type_node,
1141 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1142 int_least32_type_node, int_least64_type_node,
1143 uint_least8_type_node, uint_least16_type_node,
1144 uint_least32_type_node, uint_least64_type_node,
1145 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1146 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1147 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1148 uintptr_type_node): Define.
1149 * c-cppbuiltin.c (builtin_define_constants,
1150 builtin_define_type_minmax): New.
1151 (builtin_define_stdint_macros): Define more macros.
1152 (c_cpp_builtins): Define more limit macros.
1154 (builtin_define_type_max): Define in terms of
1155 builtin_define_type_minmax. Remove is_long parameter. All
1157 * config.gcc (use_gcc_stdint): Define.
1158 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1159 Add newlib-stdint.h for generic targets.
1160 * config/glibc-stdint.h, config/newlib-stdint.h,
1161 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1162 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1163 * config/score/score.h (UINTPTR_TYPE): Define.
1164 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1165 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1166 UINT64_TYPE, 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): Define.
1172 * config/spu/spu.h (STDINT_LONG32): Define.
1173 * configure.ac (use_gcc_stdint): Substitute.
1174 * configure: Regenerate.
1175 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1176 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1177 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1178 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1179 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1180 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1181 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1182 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1183 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1184 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1185 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1186 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1187 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1188 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1189 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1190 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1191 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1192 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1193 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1194 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1195 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1196 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1197 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1198 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1199 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1200 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1201 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1202 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1203 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1205 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1207 * loop-iv.c (suitable_set_for_replacement): Renamed from
1208 simplify_using_assignment; changed to return bool and to accept new
1209 args DEST and SRC. Return true iff we find a source/destination pair
1210 that can be used to make a replacement, and fill SRC and DEST if so.
1211 Remove arg ALTERED. Don't deal with altered regs here. All callers
1213 (simplify_using_initial_values): Deal with altered regs here and track
1214 more precisely the effect they have on the validity of our expression.
1216 * loop-iv.c (simplify_using_condition): A condition of the form
1217 (EQ REG CONST) can be used to simply make a substitution.
1218 (simplify_using_initial_values): Keep track of conditions we have seen
1219 and keep using them to simplify new expressions, while applying the
1220 same substitutions to them as to the expression.
1222 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1223 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1226 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1227 changed. Use this when trying to improve the upper bound.
1228 Generate the comparison by using simplify_gen_relational.
1230 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1232 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1234 (simplify_using_assignment, simplify_using_initial_values): Call
1235 replace_in_expr to make replacements. Call replace_single_def_regs
1236 once on the initial version of the expression.
1238 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1241 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1243 2009-03-31 Richard Guenther <rguenther@suse.de>
1246 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1247 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1249 2009-03-31 Richard Guenther <rguenther@suse.de>
1251 * tree.h (div_if_zero_remainder): Declare.
1252 * fold-const.c (div_if_zero_remainder): Export.
1253 * tree-ssa-forwprop.c
1254 (forward_propagate_addr_into_variable_array_index): Handle
1255 constant array index addition outside of the variable index.
1257 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1260 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1261 define_splits, floatunssi<mode>2): Require x87 conversions from
1262 DImode to be permitted.
1264 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1266 PR preprocessor/15638
1267 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1269 2009-03-31 Richard Guenther <rguenther@suse.de>
1273 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1274 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1275 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1276 a separate statement.
1277 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1278 (lookup_tmp_var): Likewise.
1279 (is_gimple_formal_tmp_or_call_rhs): Remove.
1280 (is_gimple_reg_or_call_rhs): Rename to ...
1281 (is_gimple_reg_rhs_or_call): ... this.
1282 (is_gimple_mem_or_call_rhs): Rename to ...
1283 (is_gimple_mem_rhs_or_call): ... this.
1284 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1285 DECL_GIMPLE_REG_P only if is_formal is true.
1286 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1287 for non-proper post-modify expression gimplification.
1288 (gimplify_self_mod_expr): For post-modify expressions gimplify
1289 the lvalue to a minimal lvalue.
1290 (rhs_predicate_for): Remove formal temp case.
1291 (gimplify_modify_expr_rhs): Likewise.
1292 (gimplify_addr_expr): Use is_gimple_reg.
1293 (gimplify_expr): Remove formal temp cases.
1294 (gimple_regimplify_operands): Likewise.
1295 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1296 and FILTER_EXPR like constants.
1297 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1299 (is_gimple_formal_tmp_rhs): Remove.
1300 (is_gimple_reg_rhs): Remove special casing.
1301 (is_gimple_mem_rhs): Fix.
1302 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1303 (is_gimple_formal_tmp_var): Remove.
1304 (is_gimple_formal_tmp_reg): Likewise.
1305 (is_gimple_min_lval): Allow invariant component ref parts.
1306 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1307 is_gimple_formal_tmp_reg): Remove declarations.
1308 * tree-cfg.c (verify_expr): Verify that variables with address
1309 taken do not have DECL_GIMPLE_REG_P set.
1310 * tree-mudflap.c (mf_build_check_statement_for): Use
1311 force_gimple_operand instead of gimplify_expr.
1313 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1315 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1316 schedulable rows to compute_split_row.
1318 2009-03-31 Ben Elliston <bje@au.ibm.com>
1321 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1324 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1326 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1327 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1328 * configure: Regenerate.
1329 * config.in: Regenerate.
1330 * config/rs6000/rs6000.opt (mtls-markers): Add.
1331 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1332 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1333 (tls_ld_aix, tls_ld_sysv): Likewise.
1334 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1335 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1337 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1339 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1341 2009-03-30 Jan Hubicka <jh@suse.cz>
1343 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1345 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1346 detection and label handling.
1348 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1350 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1351 left_conflicts_size.
1352 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1353 ALLOCNO_LEFT_CONFLICTS_SIZE.
1355 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1356 remove_allocno_from_bucket_and_push,
1357 allocno_spill_priority_compare, push_allocnos_to_stack,
1358 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1359 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1360 (setup_allocno_left_conflicts_num): Ditto. Rename to
1361 setup_allocno_left_conflicts_size.
1362 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1363 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1364 setup_allocno_left_conflicts_size instead of
1365 setup_allocno_left_conflicts_num.
1367 * ira-build.c (ira_create_allocno): Use
1368 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1369 ALLOCNO_LEFT_CONFLICTS_NUM.
1371 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1373 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1374 instead of DF_LR_OUT.
1376 * ira-lives.c (process_bb_node_lives): Ditto.
1378 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1379 instead of DF_LR_{OUT,IN}.
1381 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1383 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1385 2009-03-30 Jan Hubicka <jh@suse.cz>
1387 * except.c (label_to_region_map): Fix thinko.
1389 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1392 * tree.h (tree_find_value): New declaration.
1393 * tree.c (tree_find_value): New function.
1394 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1396 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1399 * c-decl.c (struct c_binding): Add locus field.
1400 (bind): Add locus argument, set locus field from it.
1401 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1402 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1403 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1404 implicitly_declare, undeclared_variable, lookup_label,
1405 declare_label, c_make_fname_decl, c_builtin_function,
1406 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1409 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1412 * config/i386/i386.c (classify_argument): Check total size of
1415 2009-03-30 Martin Jambor <mjambor@suse.cz>
1417 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1418 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1419 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1422 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1423 seen_variable_array_ref while also traversing a union.
1425 * tree-inline.c (optimize_inline_calls): Do not call
1426 cgraph_node_remove_callees.
1427 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1428 (pass_remove_cgraph_callee_edges): New variable.
1429 * passes.c (init_optimization_passes): Add
1430 pass_remove_cgraph_callee_edges after early inlining and before all
1431 late intraprocedural passes.
1433 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1435 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1437 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1440 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1442 * combine.c (simplify_comparison): Use have_insn_for.
1443 * dojump.c (do_jump): Likewise.
1445 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1447 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1448 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1449 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1450 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1451 instead of sparc_compare_emitted.
1452 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1453 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1454 instead of sparc_compare_emitted.
1456 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1458 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1459 enter/exit cfglayout mode.
1460 (pass_partition_block): Require it.
1461 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1462 (combine_instructions): Track basic blocks instead of labels.
1463 (update_cfg_for_uncondjump): New.
1464 (try_combine): Use it. Update jumps after rescanning.
1465 (pass_combine): Require PROP_cfglayout.
1466 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1468 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1470 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1471 Provide/destroy PROP_cfglayout respectively.
1472 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1473 * tree-pass.h (PROP_cfglayout): New.
1475 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1477 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1478 fold_convert_const_fixed_from_fixed,
1479 fold_convert_const_fixed_from_int,
1480 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1481 set TREE_CONSTANT_OVERFLOW.
1482 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1483 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1485 2009-03-30 Ira Rosen <irar@il.ibm.com>
1487 * tree-vect-loop-manip.c: New file.
1488 * tree-vectorizer.c: Update documentation and included files.
1489 (vect_loop_location): Make extern.
1490 (rename_use_op): Move to tree-vect-loop-manip.c
1491 (rename_variables_in_bb, rename_variables_in_loop,
1492 slpeel_update_phis_for_duplicate_loop,
1493 slpeel_update_phi_nodes_for_guard1,
1494 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1495 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1496 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1497 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1498 find_loop_location): Likewise.
1499 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1500 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1501 get_vectype_for_scalar_type, vect_is_simple_use,
1502 supportable_widening_operation, supportable_narrowing_operation):
1504 (bb_in_loop_p): Move to tree-vect-loop.c.
1505 (new_loop_vec_info, destroy_loop_vec_info,
1506 reduction_code_for_scalar_code, report_vect_op,
1507 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1508 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1509 (vect_supportable_dr_alignment): Likewise.
1510 * tree-vectorizer.h (tree-data-ref.h): Include.
1511 (vect_loop_location): Declare.
1512 Reorganize function declarations according to the new file structure.
1513 * tree-vect-loop.c: New file.
1514 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1515 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1516 * tree-vect-data-refs.c: New file.
1517 * tree-vect-patterns.c (timevar.h): Don't include.
1518 * tree-vect-stmts.c: New file.
1519 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1520 tree-vect-slp.c, tree-vect-loop.c.
1521 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1522 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1523 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1524 (tree-vect-analyze.o): Remove.
1525 (tree-vect-transform.o): Likewise.
1526 (tree-vect-data-refs.o): Add rule.
1527 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1528 tree-vect-slp.o): Likewise.
1529 (tree-vect-patterns.o): Remove redundant dependencies.
1530 (tree-vectorizer.o): Likewise.
1531 * tree-vect-slp.c: New file.
1533 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1535 * optc-gen.awk: Warn if an option flag has multiple different
1538 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1540 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1541 -floop-block): Document dependences on PPL, CLooG and Graphite.
1543 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1545 PR rtl-optimization/323
1546 * c-common.c (c_fully_fold, convert_and_check,
1547 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1548 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1549 * c-common.def (EXCESS_PRECISION_EXPR): New.
1550 * c-cppbuiltin.c (builtin_define_float_constants): Define
1551 constants with enough digits for long double.
1552 * c-lex.c (interpret_float): Interpret constant with excess
1553 precision where appropriate.
1554 * c-opts.c (c_common_post_options): Set
1555 flag_excess_precision_cmdline. Give an error for
1556 -fexcess-precision=standard for C++ for processors where the
1557 option is significant.
1558 * c-parser.c (c_parser_conditional_expression): Handle excess
1559 precision in condition.
1560 * c-typeck.c (convert_arguments): Handle arguments with excess
1562 (build_unary_op): Move excess precision outside operation.
1563 (build_conditional_expr): Likewise.
1564 (build_compound_expr): Likewise.
1565 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1566 (build_modify_expr): Handle excess precision in RHS.
1567 (convert_for_assignment): Handle excess precision in converted
1569 (digest_init, output_init_element, process_init_element): Handle
1570 excess precision in initializer.
1571 (c_finish_return): Handle excess precision in return value.
1572 (build_binary_op): Handle excess precision in operands and add
1573 excess precision as needed for operation.
1574 * common.opt (-fexcess-precision=): New option.
1575 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1576 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1577 For standard excess precision, output explicit conversion to and
1578 truncation from XFmode.
1579 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1580 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1581 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1582 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1583 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1584 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1585 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1586 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1587 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1588 define_splits, sqrt<mode>2): Disable where appropriate for
1589 standard excess precision.
1590 * convert.c (convert_to_real): Do not shorten arithmetic to type
1591 for which excess precision would be used.
1592 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1593 * doc/invoke.texi (-fexcess-precision=): Document option.
1594 (-mfpmath=): Correct index entry.
1595 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1596 flag_excess_precision): New.
1597 * langhooks.c (lhd_post_options): Set
1598 flag_excess_precision_cmdline.
1599 * opts.c (common_handle_option): Handle -fexcess-precision=.
1600 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1601 init_excess_precision): New.
1602 (lang_dependent_init_target): Call init_excess_precision.
1603 * tree.c (excess_precision_type): New.
1604 * tree.h (excess_precision_type): Declare.
1606 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1609 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1610 non-lvalue to component.
1612 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1614 PR preprocessor/34695
1615 * Makefile.in (c-opts.o): Depend on c-tree.h.
1616 * c-common.c: Move down include of diagnostic.h.
1617 (done_lexing, c_cpp_error): New.
1618 * c-common.h (done_lexing): Declare.
1619 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1621 * c-opts.c: Include c-tree.h.
1622 (c_common_init_options): Set preprocessor error callback.
1623 (c_common_handle_option): Do not set preprocessor
1624 inhibit_warnings, warnings_are_errors, warn_system_headers,
1625 pedantic_errors or inhibit_warnings flags.
1626 (c_common_post_options): Do not check cpp_errors (parse_in).
1627 (c_common_finish): Do not output dependencies if there were
1628 errors. Do not check return value of cpp_finish.
1629 * c-ppoutput.c (pp_file_change): Set input_location.
1630 * c-tree.h (c_cpp_error): Declare.
1631 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1633 (diagnostic_build_prefix): Check override_column.
1634 * diagnostic.h (diagnostic_info): Add override_column field.
1635 (diagnostic_override_column): Define.
1637 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1639 * c-common.c (c_expand_expr, c_staticp): Remove.
1640 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1641 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1642 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1643 * c-gimplify.c (gimplify_compound_literal_expr,
1644 optimize_compound_literals_in_ctor): Remove.
1645 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1646 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1647 * c-semantics.c (emit_local_var): Remove.
1649 * langhooks-def.h (lhd_expand_expr): Remove.
1650 * langhooks.c (lhd_expand_expr): Remove.
1651 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1653 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1654 handling from c-semantics.c; don't call into langhook.
1655 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1656 * gimplify.c (gimplify_compound_literal_expr,
1657 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1658 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1659 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1660 as was done in c-gimplify.c.
1661 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1662 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1663 Move from c-common.h.
1664 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1666 * tree.c (staticp): Do not call langhook.
1667 * langhooks.c (lhd_staticp): Delete.
1668 * langhooks-def.h (lhd_staticp): Delete prototype.
1669 (LANG_HOOKS_STATICP): Delete.
1670 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1672 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1673 instead of DECL_STMTs.
1675 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1683 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1685 (fold_call_expr): Return a NOP_EXPR from folding rather than the
1686 contained expression.
1687 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1688 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
1689 conditional expressions for C.
1690 (decl_constant_value_for_optimization): Move from
1691 decl_constant_value_for_broken_optimization in c-typeck.c. Check
1692 whether optimizing and that the expression is a VAR_DECL not of
1693 array type instead of doing such checks in the caller. Do not
1694 check pedantic. Call gcc_unreachable for C++.
1695 * c-common.def (C_MAYBE_CONST_EXPR): New.
1696 * c-common.h (c_fully_fold, c_save_expr,
1697 decl_constant_value_for_optimization): New prototypes.
1698 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1699 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1700 EXPR_INT_CONST_OPERANDS): Define.
1701 * c-convert.c (convert): Strip nops from expression.
1702 * c-decl.c (groktypename): Take extra parameters expr and
1703 expr_const_operands. Update call to grokdeclarator.
1704 (start_decl): Update call to grokdeclarator. Add statement for
1705 expressions used in type of decl.
1706 (grokparm): Update call to grokdeclarator.
1707 (push_parm_decl): Update call to grokdeclarator.
1708 (build_compound_literal): Add parameter non_const and build a
1709 C_MAYBE_COSNT_EXPR if applicable.
1710 (grokdeclarator): Take extra parameters expr and
1711 expr_const_operands. Track expressions used in declaration
1712 specifiers and declarators. Fold array sizes and track whether
1713 they are constant expressions and whether they are integer
1714 constant expressions.
1715 (parser_xref_tag): Set expr and expr_const_operands fields in
1717 (grokfield): Update call to grokdeclarator.
1718 (start_function): Update call to grokdeclarator.
1719 (build_null_declspecs): Set expr and expr_const_operands fields in
1721 (declspecs_add_type): Handle expressions in typeof specifiers.
1722 * c-parser.c (c_parser_declspecs): Set expr and
1723 expr_const_operands fields for declaration specifiers.
1724 (c_parser_enum_specifier): Likewise.
1725 (c_parser_struct_or_union_specifier): Likewise.
1726 (c_parser_typeof_specifier): Likewise. Update call to
1727 groktypename. Fold expression as needed. Return expressions with
1728 type instead of adding statements.
1729 (c_parser_attributes): Update calls to c_parser_expr_list.
1730 (c_parser_statement_after_labels): Fold expression before passing
1731 to objc_build_throw_stmt.
1732 (c_parser_condition): Fold expression.
1733 (c_parser_asm_operands): Fold expression.
1734 (c_parser_conditional_expression): Use c_save_expr. Update call
1735 to build_conditional_expr.
1736 (c_parser_alignof_expression): Update call to groktypename.
1737 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1738 original_code. Fold expression argument of va_arg. Create
1739 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1740 argument to va_arg. Update calls to groktypename. Fold array
1741 index for offsetof. Verify that first argument to
1742 __builtin_choose_expr has integer type.
1743 (c_parser_postfix_expression_after_paren_type): Update calls to
1744 groktypename and build_compound_literal. Handle expressions with
1745 side effects in type name.
1746 (c_parser_postfix_expression_after_primary): Update call to
1747 c_parser_expr_list. Set original_code for calls to
1748 __builtin_constant_p.
1749 (c_parser_expr_list): Take extra parameter fold_p. Fold
1750 expressions if requested.
1751 (c_parser_objc_type_name): Update call to groktypename.
1752 (c_parser_objc_synchronized_statement): Fold expression.
1753 (c_parser_objc_receiver): Fold expression.
1754 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1755 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1756 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1757 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1758 (struct c_typespec): Add elements expr and expr_const_operands.
1759 (struct c_declspecs): Add elements expr and expr_const_operands.
1760 (groktypename, build_conditional_expr, build_compound_literal):
1762 (in_late_binary_op): Declare.
1763 * c-typeck.c (note_integer_operands): New function.
1764 (in_late_binary_op): New variable.
1765 (decl_constant_value_for_broken_optimization): Move to c-common.c
1766 and rename to decl_constant_value_for_optimization.
1767 (default_function_array_conversion): Do not strip nops.
1768 (default_conversion): Do not call
1769 decl_constant_value_for_broken_optimization.
1770 (build_array_ref): Do not fold result.
1771 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
1772 result when operand is a VLA.
1773 (c_expr_sizeof_type): Update call to groktypename. Handle
1774 expressions included in type name. Use C_MAYBE_CONST_EXPR for
1775 result when operand names a VLA type.
1776 (build_function_call): Update call to build_compound_literal.
1777 Only fold result for calls to __builtin_* functions. Strip
1778 NOP_EXPR from INTEGER_CST returned from such functions. Fold
1779 the function designator.
1780 (convert_arguments): Fold arguments. Update call to
1781 convert_for_assignment.
1782 (build_unary_op): Handle increment and decrement of
1783 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
1784 decrement earlier. Fold operand of increment and decrement.
1785 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
1786 built for integer operand. Wrap returns that are INTEGER_CSTs
1787 without being integer constant expressions or that have integer
1788 constant operands without being INTEGER_CSTs.
1789 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1790 (build_conditional_expr): Add operand ifexp_bcp. Track whether
1791 result is an integer constant expression or can be used in
1792 unevaluated parts of one and avoid folding and wrap as
1793 appropriate. Fold operands before possibly doing -Wsign-compare
1795 (build_compound_expr): Wrap result for C99 if operands can be used
1796 in integer constant expressions.
1797 (build_c_cast): Update call to digest_init. Do not ignore
1798 overflow from casting floating-point constants to integers. Wrap
1799 results that could be confused with integer constant expressions,
1800 null pointer constants or floating-point constants.
1801 (c_cast_expr): Update call to groktypename. Handle expressions
1802 included in type name.
1803 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
1804 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
1805 Update calls to convert_for_assignment.
1806 (convert_for_assignment): Take new parameter
1807 null_pointer_constant. Do not strip nops or call
1808 decl_constant_value_for_broken_optimization. Set
1809 in_late_binary_op for conversions to boolean.
1810 (store_init_value): Update call to digest_init.
1811 (digest_init): Take new parameter null_pointer_constant. Do not
1812 call decl_constant_value_for_broken_optimization. pedwarn for
1813 initializers not constant expressions. Update calls to
1814 convert_for_assignment.
1815 (constructor_nonconst): New.
1816 (struct constructor_stack): Add nonconst element.
1817 (really_start_incremental_init, push_init_level, pop_init_level):
1818 Handle constructor_nonconst and nonconst element.
1819 (set_init_index): Call constant_expression_warning for array
1821 (output_init_element): Fold value. Set constructor_nonconst as
1822 applicable. pedwarn for initializers not constant expressions.
1823 Update call to digest_init. Call constant_expression_warning
1824 where constant initializers are required.
1825 (process_init_element): Use c_save_expr.
1826 (c_finish_goto_ptr): Fold expression.
1827 (c_finish_return): Fold return value. Update call to
1828 convert_for_assignment.
1829 (c_start_case): Fold switch expression.
1830 (c_process_expr_stmt): Fold expression.
1831 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1832 ensure statement expression is not evaluated in constant expression.
1833 (build_binary_op): Track whether results are integer constant
1834 expressions or may occur in such, disable folding and wrap results
1835 as applicable. Fold operands for -Wsign-compare warnings unless
1837 (c_objc_common_truthvalue_conversion): Handle results folded to
1838 integer constants that are not integer constant expressions.
1839 * doc/extend.texi: Document when typeof operands are evaluated,
1840 that condition of __builtin_choose_expr is an integer constant
1841 expression, and more about use of __builtin_constant_p in
1844 2009-03-29 Richard Guenther <rguenther@suse.de>
1846 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1847 propagate addresses of array references.
1849 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
1851 * regmove.c (perhaps_ends_bb_p): Remove.
1852 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
1853 from INSN and check that the main loop stays within that basic block.
1854 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1855 (regmove_forward_pass): Split out from regmove_optimize. Use
1856 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1857 (regmove_backward_pass): Split out from regmove_optimize. Use
1858 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1859 (regmove_optimize): Simplify.
1861 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1864 * config/i386/i386.c (classify_argument): Ignore flexible array
1865 member in struct and warn ABI change.
1867 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1869 * config/i386/i386-protos.h (ix86_agi_dependent): New.
1871 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1872 (ix86_adjust_cost): Updated.
1874 2009-03-29 Jan Hubicka <jh@suse.cz>
1877 * tree-pass.h (pass_cleanup_eh): New function.
1878 (remove_unreachable_regions): Break code handling RTL
1879 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1880 that can not be reached by runtime.
1881 (can_be_reached_by_runtime): New function.
1882 (label_to_region_map): New function.
1883 (num_eh_regions): New function.
1884 (rtl_remove_unreachable_regions): New function.
1885 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1886 (remove_eh_region): New function.
1887 * except.h: Include sbitmap and vecprim.
1888 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1889 num_eh_regions): Declare.
1890 * passes.c (init_optimization_passes): Schedule cleanup_eh.
1891 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1892 * tree-eh.c (tree_remove_unreachable_handlers): New function.
1893 (tree_empty_eh_handler_p): New function.
1894 (cleanup_empty_eh): New function.
1895 (cleanup_eh): New function.
1896 (pass_cleanup_eh): New function.
1898 2009-03-29 Jan Hubicka <jh@suse.cz>
1900 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1901 for removed regions.
1903 2009-03-29 Jan Hubicka <jh@suse.cz>
1905 * except.c (dump_eh_tree): Dump all datastructures.
1907 2009-03-29 Jan Hubicka <jh@suse.cz>
1909 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1910 (duplicate_eh_regions_1): Likewise.
1911 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1912 vector; call EH verification.
1913 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1914 Be ready for region being removed.
1916 2009-03-29 Jan Hubicka <jh@suse.cz>
1918 * bitmap.c (bitmap_last_set_bit): New function.
1919 * bitmap.h (bitmap_last_set_bit): Declare.
1921 2009-03-29 David Ayers <ayers@fsfe.org>
1924 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1925 by calling objc_compare_types and surpress warnings about
1926 incompatible C pointers that are compatible ObjC pointers.
1928 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
1930 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1931 call initialize_inline_failed.
1932 (initialize_inline_failed): Move it from here ...
1933 * cgraph.c (initialize_inline_failed): ... to here.
1934 (cgraph_create_edge): Call initialize_inline_failed rather than
1935 setting inline_failed directly.
1937 2009-03-29 Ben Elliston <bje@au.ibm.com>
1940 * sysv4.opt (msdata): Improve comment.
1941 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1942 * sysv4.h (SVR4_ASM_SPEC): Likewise.
1944 2009-03-29 Ben Elliston <bje@au.ibm.com>
1947 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1948 load and store attributes.
1950 2009-03-29 Ben Elliston <bje@au.ibm.com>
1952 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1953 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1954 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1955 * doc/extend.texi (X86 Built-in Functions): Add index entries for
1956 __builtin_infq and __builtin_huge_valq.
1958 2009-03-28 Anatoly Sokolov <aesok@post.ru>
1960 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1962 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1963 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1965 2009-03-28 Xinliang David Li <davidxl@google.com>
1967 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
1968 (do_dbg_cnt): New function.
1970 2009-03-28 Jan Hubicka <jh@suse.cz>
1972 Merge from pretty-ipa:
1974 2009-03-27 Jan Hubicka <jh@suse.cz>
1976 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1977 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1978 * passes.c (function_called_by_processed_nodes_p): New.
1979 * ipa-pure-const.c (check_call): Fix handling of operands.
1980 (analyze_function): Dump debug output for skipped bodies.
1981 (local_pure_const): Use function_called_by_processed_nodes_p.
1982 * dwarf2out.c (reference_to_unused): Use output.
1983 * passes.c (do_per_function_toporder): Likewise.
1985 2008-11-12 Jan Hubicka <jh@suse.cz>
1987 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
1988 * ipa-pure-const.c (funct_state_d): Add can throw field; make
1989 state_set_in_source enum
1990 (check_decl): Ignore memory tags; do not set fake looping flags;
1992 (check_operand, check_tree, check_rhs_var, check_lhs_var,
1993 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
1994 (check_call, analyze_function): Rewrite.
1996 (add_new_function): Update call of analyze_function.
1997 (generate_summary): Add call of analyze_function.
1998 (propagate): Propagate can_throw; handle state_set_in_source correctly.
1999 (local_pure_const): New function.
2000 (pass_local_pure_const): New pass.
2001 * ipa-inline.c (inline_transform): Set after_inlining.
2002 * tree-eh.c (stmt_can_throw_external): New.
2003 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2004 work with aliasing built.
2005 * tree-flow.h (stmt_can_throw_external): New.
2006 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2007 and local pure/const pass in early and late optimization queue.
2009 2009-03-28 Martin Jambor <mjambor@suse.cz>
2011 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2013 (fold_binary): Allow function decl aligment consideration is the
2014 second argument is integer constant one.
2015 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2016 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2017 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2019 2009-03-28 Jan Hubicka <jh@suse.cz>
2021 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2022 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2023 * function.h (rtl_data): Add nothrow flag.
2024 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2025 set DECL_NOTHROW for AVAILABLE functions.
2027 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2029 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2030 following vector keyword has expansion starting with pixel or bool
2031 keyword, expand vector to __vector and pixel or bool to __pixel or
2035 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2036 warn_if_disallowed_function_p): Removed.
2037 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2038 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2039 warning_if_disallowed_function_p.
2040 * flags.h (warn_if_disallowed_function_p,
2041 warn_disallowed_functions): Removed.
2042 * common.opt (Wdisallowed-function-list=): Removed.
2043 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2045 2009-03-28 Richard Guenther <rguenther@suse.de>
2047 PR tree-optimization/38723
2048 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2051 2009-03-28 Jan Hubicka <jh@suse.cz>
2053 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2054 test introduced by my previous patch.
2056 2009-03-28 Richard Guenther <rguenther@suse.de>
2058 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2059 the PHIs value undefined.
2061 2009-03-28 Jan Hubicka <jh@suse.cz>
2063 * tree-pass.h (pass_fixup_cfg): New pass.
2064 * ipa-inline.c (inline_transform): Set
2065 always_inline_functions_inlined/after_inlining.
2066 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2067 (pass_fixup_cfg): New pass.
2068 * passes.c (init_optimization_passes): Add fixup_cfg.
2070 2009-03-28 Richard Guenther <rguenther@suse.de>
2072 PR tree-optimization/38458
2073 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2074 argument use the arguments copy-of value.
2076 2009-03-28 Richard Guenther <rguenther@suse.de>
2078 PR tree-optimization/38180
2079 * tree-ssa-ccp.c (get_default_value): Simplify.
2080 (likely_value): Likewise.
2081 (surely_varying_stmt_p): Properly handle VOP case.
2082 (ccp_initialize): Likewise.
2083 (ccp_fold): Handle propagating through *&.
2084 (fold_const_aggregate_ref): Also handle decls.
2086 2009-03-28 Jan Hubicka <jh@suse.cz>
2088 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2089 * cgraph.h (cgraph_node): Likewise.
2090 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2091 (cgraph_reset_node): Use process flag.
2092 (cgraph_mark_functions_to_output): Likewise.
2093 (cgraph_expand_function): Likewise.
2094 (cgraph_expand_all_functions): Likewise.
2095 (cgraph_output_in_order): Likewise.
2096 * dwarf2out.c (reference_to_unused): Likewise.
2097 * passes.c do_per_function_toporder): Likewise.
2099 2009-03-28 Jan Hubicka <jh@suse.cz>
2101 Bring from lto-branch:
2103 2008-09-03 Doug Kwan <dougkwan@google.com>
2105 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2106 enums instead of reason strings.
2107 * cgraph.c (cgraph_create_edge): Same.
2108 (cgraph_inline_failed_string): New function.
2109 * cgraph.h (cgraph_inline_failed_t): New enum type.
2110 (cgraph_inline_failed_string): New prototype.
2111 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2112 char pointer to cgraph_inline_failed_t.
2113 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2114 (cgraph_default_inline_p): Ditto.
2115 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2116 to cgraph_inline_failed_t pointer.
2117 * cif-code.def: New file.
2118 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2120 (cgraph_check_inline_limits): Change type of REASON to pointer to
2121 cgraph_inline_failed_t. Replace reason strings with enums.
2122 (cgraph_default_inline_p): Ditto.
2123 (cgraph_recursive_inlining_p): Ditto.
2124 (update_caller_keys): Change type of FAILED_REASON to
2125 cgraph_inline_failed_t.
2126 (cgraph_set_inline_failed): Change type of REASON to pointer to
2127 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2128 convert enums to strings for text output.
2129 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2130 to be of type cgraph_inline_failed_t. Replace reason strings with
2131 enums. Call cgraph_inline_failed_string to covert enums
2132 to strings for text output.
2133 (cgraph_decide_inlining): Replace reason strings with enums.
2134 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2135 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2137 * tree-inline.c (expand_call_inline): Change type of REASON
2138 to cgraph_inline_failed_t. Replace reason strings with enums.
2139 Call cgraph_inline_failed_string for text output.
2140 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2143 2009-03-28 Jan Hubicka <jh@suse.cz>
2145 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2146 cgraph_clone_node): Remove master clone handling.
2147 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2148 * cgraph.h (master_clone): Remove.
2149 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2150 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2151 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2153 2009-03-28 Jan Hubicka <jh@suse.cz>
2155 * cgraph.c (cgraph_function_body_availability): Functions declared
2156 inline are always safe to assume that it is not going to be replaced.
2158 2009-03-28 Richard Guenther <rguenther@suse.de>
2160 PR tree-optimization/38513
2161 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2162 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2163 EXC_PTR_EXPR and FILTER_EXPR.
2164 (get_ref_from_reference_ops): Likewise.
2166 2009-03-28 Richard Guenther <rguenther@suse.de>
2168 PR tree-optimization/38968
2169 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2170 Use FLOOR_MOD_EXPR to compute misalignment.
2172 2009-03-28 Richard Guenther <rguenther@suse.de>
2174 PR tree-optimization/37795
2175 * tree.h (combine_comparisons): Declare.
2176 * fold-const.c (combine_comparisons): Export.
2177 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2179 (ifcombine_iforif): Use combine_comparisons.
2181 2009-03-28 Jan Hubicka <jh@suse.cz>
2183 * tree-eh.c (inlinable_call_p): New function.
2184 (make_eh_edges): Use it.
2185 (verify_eh_edges): Use it.
2186 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2187 * except.c (reachable_next_level): Add inlinable_function argument
2188 (sjlj_find_directly_reachable_regions): Update.
2189 (add_reachable_handler): Do not set saw_any_handlers.
2190 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2191 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2192 Add new inlinable call parameter.
2193 (can_throw_internal, can_throw_external): Update.
2194 * except.h (can_throw_internal_1, can_throw_external_1,
2195 foreach_reachable_handler): Update declaration.
2197 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2199 * config/arm/t-arm-coff, config/h8300/coff.h,
2200 config/i386/i386-aout.h, config/i386/i386-coff.h,
2201 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2202 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2203 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2204 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2205 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2206 sys-types.h: Remove.
2207 * Makefile.in: Remove protoize and fixproto support and references
2209 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2210 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2212 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2213 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2214 unprotoize$(exeext).
2215 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2216 (.PHONY): Don't depend on proto.
2217 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2218 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2219 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2220 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2221 build/gen-protos.o, build/scan.o, xsys-protos.h,
2222 build/fix-header$(build_exeext), build/fix-header.o,
2223 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2224 stmp-install-fixproto): Remove.
2225 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2226 SYSCALLS.c or fixproto files.
2227 (install-common): Don't install protoize.
2228 (install-headers-tar, install-headers-cpio, install-headers-cp):
2229 Don't depend on $(STMP_FIXPROTO).
2230 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2231 install fixproto files or write out fixproto settings.
2232 (uninstall): Don't uninstall protoize.
2233 * config.gcc (use_fixproto): Remove.
2234 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2235 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2236 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2237 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2238 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2239 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2240 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2241 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2242 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2243 * config/t-vxworks (STMP_FIXPROTO): Remove.
2244 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2245 STMP_FIXPROTO): Remove.
2246 * config.in, configure: Regenerate.
2247 * crtstuff.c (gid_t, uid_t): Don't undefine.
2248 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2249 (arm-*-coff, arm-*-aout: Remove target entries.
2250 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2251 Remove mention of AIX 4.1.
2252 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2253 * doc/invoke.texi (Running Protoize): Remove.
2254 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2255 (Protoize Caveats): Remove.
2256 * tsystem.h: Update comments on headers assumed to exist.
2258 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2260 * genautomata.c: Add a new year to the copyright. Add a new
2262 (struct insn_reserv_decl): Add comments for member bypass_list.
2263 (find_bypass): Remove.
2264 (insert_bypass): New.
2265 (process_decls): Use insert_bypass.
2266 (output_internal_insn_latency_func): Output all bypasses with the
2267 same input insn in one switch case.
2269 * rtl.def (define_bypass): Describe bypass choice.
2270 * doc/md.texi (define_bypass): Ditto.
2272 2009-03-27 Richard Guenther <rguenther@suse.de>
2274 * gimplify.c (mark_addressable): Export.
2275 * tree-flow.h (mark_addressable): Declare.
2276 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2277 * tree-ssa.c (verify_phi_args): Verify that address taken
2278 variables have TREE_ADDRESSABLE set.
2280 2009-03-27 Richard Guenther <rguenther@suse.de>
2282 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2283 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2284 Do not mark decls TREE_ADDRESSABLE.
2285 (build_fold_addr_expr): Adjust.
2286 (fold_addr_expr): Remove.
2287 (fold_unary): Use build_fold_addr_expr.
2288 (fold_comparison): Likewise.
2289 (split_address_to_core_and_offset): Likewise.
2290 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2292 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2293 (gimplify_modify_expr_to_memcpy): Mark source and destination
2295 * omp-low.c (create_omp_child_function): Mark the object decl
2297 (lower_rec_input_clauses): Mark the var we take the address of
2299 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2301 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2304 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2305 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2307 2009-03-27 Richard Guenther <rguenther@suse.de>
2309 PR tree-optimization/39120
2310 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2312 (handle_lhs_call): Process return constraints. Add escape
2313 constraints if necessary.
2314 (handle_const_call): Fill out return constraints. Make nested
2315 case more precise. Avoid consttmp if possible.
2316 (handle_pure_call): Fill out return constraints. Avoid
2317 callused if possible.
2318 (find_func_aliases): Simplify call handling.
2320 2009-03-27 Richard Guenther <rguenther@suse.de>
2322 PR tree-optimization/39120
2323 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2324 as a representative.
2325 (solve_graph): Do propagate CALLUSED.
2326 (handle_pure_call): Use a scalar constraint from CALLUSED for
2328 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2331 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2334 * c-common.c (handle_aligned_attribute): Properly check alignment
2335 overflow. Use (1U << i) instead of (1 << i).
2337 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2339 * expr.h (get_mem_align_offset): Updated.
2341 * tree.h (tree_decl_common): Change align to "unsigned int" and
2342 move it before pointer_alias_set.
2344 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2345 Jakub Jelinek <jakub@redhat.com>
2348 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2349 gr_register_operand with gr_reg_or_0_operand.
2350 (cmpxchg_rel_di): Likewise.
2351 (sync_lock_test_and_set<mode>): Likewise.
2353 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2355 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2356 (true_regnum): Likewise.
2358 * rtlanal.c (subreg_info): Moved to ...
2359 * rtl.h (subreg_info): Here. New.
2360 (subreg_get_info): New.
2362 * rtlanal.c (subreg_get_info): Make it extern.
2364 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2367 * config/i386/i386.c (ix86_abi): New.
2368 (override_options): Handle -mabi=.
2369 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2370 (ix86_call_abi_override): Likewise.
2371 (init_cumulative_args): Likewise.
2372 (function_arg_advance): Likewise.
2373 (function_arg_64): Likewise.
2374 (function_arg): Likewise.
2375 (ix86_pass_by_reference): Likewise.
2376 (ix86_function_value_regno_p): Likewise.
2377 (ix86_build_builtin_va_list_abi): Likewise.
2378 (setup_incoming_varargs_64): Likewise.
2379 (is_va_list_char_pointer): Likewise.
2380 (ix86_init_machine_status): Likewise.
2381 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2382 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2383 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2384 (ix86_function_abi): Make it static and return enum calling_abi.
2385 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2387 (ix86_fn_abi_va_list): Updated.
2389 * config/i386/i386.h (ix86_abi): New.
2390 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2391 (CONDITIONAL_REGISTER_USAGE): Likewise.
2392 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2393 (machine_function): Likewise.
2395 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2397 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2398 (STACK_BOUNDARY): Likewise.
2399 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2401 * config/i386/i386.opt (mabi=): New.
2403 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2404 return enum calling_abi.
2405 (ix86_function_type_abi): Likewise.
2406 (ix86_function_abi): Removed.
2408 * doc/invoke.texi: Document -mabi= option for x86.
2410 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2412 * builtins.c (real_dconstp): Delete.
2413 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2415 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2416 Jakub Jelinek <jakub@redhat.com>
2419 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2420 (gen_subprogram_die): When a function is explicit, generate the
2421 DW_AT_explicit attribute.
2422 * langhooks.h (struct lang_hooks_for_decls): Add
2423 function_decl_explicit_p langhook.
2424 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2425 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2427 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2429 * builtins.c (fold_builtin_memory_op): Optimize memmove
2430 into memcpy if we can prove source and destination don't overlap.
2432 * tree-inline.c: Include gt-tree-inline.h.
2433 (clone_fn_id_num): New variable.
2434 (clone_function_name): New function.
2435 (tree_function_versioning): Use it.
2436 * Makefile.in (GTFILES): Add tree-inline.c.
2438 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2440 * BASE-VER: Change to 4.5.0.
2442 2009-03-27 Xinliang David Li <davidxl@google.com>
2444 PR tree-optimization/39557
2445 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2447 2009-03-27 Xinliang David Li <davidxl@google.com>
2449 PR tree-optimization/39548
2450 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2453 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2455 * c-common.c (pointer_int_sum): Use %wd on return from
2458 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2460 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2461 on return from tree_low_cst.
2463 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2466 * ginclude/stdarg.h (va_copy): Define also for
2467 __GXX_EXPERIMENTAL_CXX0X__.
2469 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2472 * builtins.h (c_strlen): Do not warn here.
2473 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2474 * c-common.c (pointer_int_sum): Take an explicit location.
2475 Warn about offsets out of bounds.
2476 * c-common.h (pointer_int_sum): Adjust declaration.
2478 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2480 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2483 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2486 * opts.c (warn_if_disallowed_function_p): Don't assume
2487 get_callee_fndecl must return non-NULL.
2489 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2491 PR rtl-optimization/39522
2492 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2493 when reg_reloaded_valid is set.
2495 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2497 * config/spu/divv2df3.c: New file.
2498 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2499 (DPBIT_FUNCS): Filter out _div_df.
2501 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2503 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2504 a jump insn, count that jump in the distance to the loop start.
2506 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2509 * config/sh/sh.c (calc_live_regs): Fix condition for global
2510 registers except PIC_OFFSET_TABLE_REGNUM.
2512 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2515 * doc/invoke.texi (-mconsole): New.
2519 (-mnop-fun-dllimport): New.
2523 (sub section "i386 and x86-64 Windows Options"): New.
2525 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2527 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2528 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2530 2009-03-25 Richard Guenther <rguenther@suse.de>
2533 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2536 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2538 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2539 neither of haifa/selective schedulers are working.
2541 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2543 * doc/invoke.texi (Debugging Options): Fix description of
2544 -fno-merge-debug-strings.
2546 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2548 * config/cris/libgcc.ver: New version-script.
2549 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2551 * configure.ac <GAS features, nop mnemonic>: Add pattern
2552 crisv32-*-* for "nop".
2553 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2554 * configure: Regenerate.
2556 2009-03-24 Ira Rosen <irar@il.ibm.com>
2558 PR tree-optimization/39529
2559 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2560 mark_sym_for_renaming for the tag copied to the new vector
2563 2009-03-24 Arthur Loiret <aloiret@debian.org>
2565 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2566 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2567 EXTRA_SPEC_FUNCTIONS.
2568 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2569 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2570 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2571 -march and -mtune options.
2573 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2575 * config/m68k/t-rtems: Add m5329 multilib.
2577 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2578 Jakub Jelinek <jakub@redhat.com>
2581 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2584 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2587 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2588 instead of c_parser_expression_conv, if original_code isn't one of the
2589 4 allowed comparison codes, fail.
2591 2009-03-23 Richard Guenther <rguenther@suse.de>
2593 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2594 * tree.h (struct tree_type): Likewise.
2595 * reload.h (struct insn_chain): Likewise.
2596 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2597 * function.h (struct function): Likewise.
2598 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2600 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2602 PR tree-optimization/39516
2603 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2605 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2607 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2608 should be set true if BITS_PER_WORD of target is bigger than 32
2610 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2612 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2613 Translate -B-options to -rpath-link. Correct existing
2614 rpath-link and conditionalize on !nostdlib.
2616 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2618 * doc/extend.texi (Function Attributes, Variable Attributes):
2620 * doc/invoke.texi (Debugging Options, Optimize Options)
2621 (i386 and x86-64 Options, MCore Options): Likewise.
2623 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2626 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2627 it for block local namespace aliases.
2628 (gen_decl_die): Pass context_die to gen_namespace_die.
2630 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2633 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2634 minimum or maximum value.
2636 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2638 * reginfo.c (globalize_reg): Recompute derived reg sets.
2640 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2643 * libgcc2.c (mprotect): Do not use signed arguments for
2644 VirtualProtect, use DWORD arguments. Also fix the 'may
2645 be used uninitialized' warning for the np variable.
2647 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2650 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2651 functions using regparm calling conventions when not optimizing.
2652 (ix86_function_sseregparm): Similarly for sseregparm calling
2655 2009-03-19 Li Feng <nemokingdom@gmail.com>
2658 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2659 dependence if the first conflict is after niter iterations.
2661 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
2664 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2665 functions with dynamic stack-pointer adjustments.
2667 2009-03-19 Ben Elliston <bje@au.ibm.com>
2669 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2670 option; change to -msdata=data.
2672 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2674 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2677 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
2680 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2682 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
2684 * doc/invoke.texi (Code Gen Options): Expand discussion of
2687 2009-03-18 Jakub Jelinek <jakub@redhat.com>
2689 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2690 * matrix-reorg.c (struct matrix_info): Likewise.
2691 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2692 * rtl.h (struct mem_attrs): Likewise.
2693 * df.h (struct df): Likewise.
2694 * tree-data-ref.h (struct data_dependence_relation): Likewise.
2695 * ira-int.h (struct ira_allocno): Likewise.
2696 * df-scan.c (struct df_collection_rec): Likewise.
2697 * ira.c (struct equivalence): Likewise.
2698 * function.c (struct temp_slot): Likewise.
2699 * cfgloop.h (struct loop): Likewise.
2702 * function.c (use_register_for_decl): When not optimizing, disregard
2703 register keyword for variables with types containing methods.
2705 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
2708 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2709 (is_simple_operand): Call contains_component_ref_p before calling data
2710 reference analysis that would fail on COMPONENT_REFs.
2712 * tree-vrp.c (search_for_addr_array): Fix formatting.
2714 2009-03-18 Richard Guenther <rguenther@suse.de>
2716 * tree-vect-transform.c (vect_loop_versioning): Fold the
2717 generated comparisons.
2718 * tree-vectorizer.c (set_prologue_iterations): Likewise.
2719 (slpeel_tree_peel_loop_to_edge): Likewise.
2721 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2724 * opts.c (print_specific_help): In addition to `undocumented',
2725 accept `separate' and `joined' flags if passed alone. Describe
2726 output by the first matched one of those.
2727 (common_handle_option): Skip over empty strings.
2728 * gcc.c (display_help): Fix help string for `--help='.
2729 * doc/invoke.texi (Option Summary, Overall Options): With
2730 `--help=', classes and qualifiers can both be repeated, but
2731 only the latter can be negated. One should not pass only
2732 negated qualifiers. Fix markup and examples.
2735 2008-10-14 Jakub Jelinek <jakub@redhat.com>
2737 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2738 and -fhelp=separate.
2740 2009-03-17 Jing Yu <jingyu@google.com>
2743 * function.h (struct rtl_data): Move is_thunk from here...
2744 (struct function): ...to here.
2745 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2746 * varasm.c (assemble_start_function): Change is_thunk from crtl to
2748 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2750 (alpha_does_function_need_gp, alpha_start_function): Likewise.
2751 (alpha_output_function_end_prologue): Likewise.
2752 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2753 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2754 (rs6000_output_function_epilogue): Likewise.
2755 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2757 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
2760 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2761 from different units in a single alternative.
2762 (*truncdfsf_i387): Ditto.
2763 (*truncxfsf2_mixed): Ditto.
2764 (*truncxfdf2_mixed): Ditto.
2766 2009-03-17 Jakub Jelinek <jakub@redhat.com>
2768 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2769 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2772 * tree-ssa-live.c (remove_unused_locals): Don't remove local
2773 unused non-artificial variables when not optimizing.
2776 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2777 DW_TAG_imported_module even if decl is IMPORTED_DECL with
2778 NAMESPACE_DECL in its DECL_INITIAL.
2781 * optabs.c (set_user_assembler_libfunc): New function.
2782 * expr.h (set_user_assembler_libfunc): New prototype.
2783 * c-common.c: Include libfuncs.h.
2784 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2785 for memcmp, memset, memcpy, memmove and abort.
2786 * Makefile.in (c-common.o): Depend on libfuncs.h.
2789 * dwarf2out.c (gen_inlined_enumeration_type_die,
2790 gen_inlined_structure_type_die, gen_inlined_union_type_die,
2791 gen_tagged_type_instantiation_die): Removed.
2792 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2795 2009-03-17 Janis Johnson <janis187@us.ibm.com>
2798 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2800 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2801 (check-parallel-%): Ditto.
2802 (check-consistency): Ditto.
2804 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
2806 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2807 local variable rhs by NULL_TREE.
2809 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2812 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2814 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2817 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2819 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2822 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2823 for ms->sysv ABI calls only in 64bit mode.
2825 * config/i386/i386.md (untyped_call): Support 32bit.
2827 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
2829 * doc/extend.texi: Replace x86_65 with x86_64.
2831 2009-03-16 Jakub Jelinek <jakub@redhat.com>
2833 PR tree-optimization/39455
2834 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2835 mismatches for POINTER_TYPE_P (type).
2836 (number_of_iterations_le): Likewise.
2838 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2840 * config/picochip/picochip.c: Removed profiling support.
2841 * config/picochip/picochip.md: Removed profiling instruction.
2842 * config/picochip/picochip.h: Removed profiling builtin.
2844 2009-03-16 Joseph Myers <joseph@codesourcery.com>
2846 * doc/install.texi (--with-host-libstdcxx): Document.
2848 2009-03-14 Anatoly Sokolov <aesok@post.ru>
2851 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2852 generate a warning if the function name does not begin with
2853 "__vector" and the function has either the 'signal' or 'interrupt'
2854 attribute, from here to ...
2855 (avr_declare_function_name): ...here. New function.
2856 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2857 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2859 2009-03-14 Jakub Jelinek <jakub@redhat.com>
2862 * cse.c (fold_rtx): Don't modify original const_arg1 when
2863 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2864 separate variable instead.
2865 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2866 from out of range shift counts.
2867 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2869 2008-03-13 Catherine Moore <clm@codesourcery.com>
2871 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2872 diagnostic.h with $(DIAGNOSTIC_H).
2874 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2877 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2879 * config/i386/sync.md (sync_compare_and_swap<mode>,
2880 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2881 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2883 (sync_double_compare_and_swapdi_pic,
2884 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2885 cmpxchg8b_pic_memory_operand instead of just memory_operand.
2887 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2890 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2892 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2895 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2896 (avx_addsubv4df3): Likewise.
2897 (*avx_addsubv4sf3): Likewise.
2898 (sse3_addsubv4sf3): Likewise.
2900 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2903 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2905 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
2908 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2909 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2910 registers for allocnos created from user-defined variables.
2912 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2915 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2916 of non-integer mode as well.
2918 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
2920 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2921 for functions for which the parameter types are unknown.
2923 2009-03-11 Jakub Jelinek <jakub@redhat.com>
2926 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2927 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2928 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2929 * config/i386/i386.c (ix86_local_alignment): For
2930 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2931 long long variables on the stack to avoid dynamic realignment.
2932 Allow the first argument to be a decl rather than type.
2933 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2935 2009-03-11 Nick Clifton <nickc@redhat.com>
2938 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2940 Add description to mno-lsim option.
2941 * config/mcore/mcore.h: Remove comment about deprecated m4align
2943 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2944 * doc/invoke.texi: Add description of mno-lsim and
2945 mstack-increment options.
2947 * config/fr30/fr30.opt: Document the -mno-lsim option.
2948 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2949 and -mno-lsim options.
2951 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2953 * fold-const.c (fold_comparison): Only call fold_inf_compare
2954 if the mode supports infinities.
2956 2009-03-11 Jason Merrill <jason@redhat.com>
2959 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2960 end already did. Notice GIMPLE_CALL modifications of the result.
2961 Don't copy debug information from an ignored decl or a decl from
2964 2009-03-10 Richard Guenther <rguenther@suse.de>
2965 Nathan Froyd <froydnj@codesourcery.com>
2968 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2969 (__divMODE3): Likewise.
2971 2009-03-09 Jakub Jelinek <jakub@redhat.com>
2973 PR tree-optimization/39394
2974 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2975 DECL_SIZE_UNIT of variable length FIELD_DECLs.
2977 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2979 * recog.c (verfiy_changes): Disallow renaming of hard regs in
2980 inline asms for register asm ("") declarations.
2982 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
2984 * fold-const.c (fold_unary): Fix comment.
2986 2009-03-07 Jan Hubicka <jh@suse.cz>
2989 * tree-inline.c (setup_one_parameter): Do replacement of const
2990 argument by constant in SSA form.
2992 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2995 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
2996 determine alignment passed to assign_stack_local.
2997 (assign_parms_unsplit_complex): Likewise.
2998 * except.c (sjlj_build_landing_pads): Likewise.
3000 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3003 * tree-flow.h (add_referenced_var): Return bool instead of void.
3004 * tree-dfa.c (add_referenced_var): Return result of
3005 referenced_var_check_and_insert call.
3006 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3007 of referenced_var_check_and_insert.
3010 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3011 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3012 DIE, don't emit it if abstract origin already has it.
3013 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3014 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3016 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3018 * genpreds.c (needs_variable): Fix parentheses at variable name
3020 (write_tm_constrs_h): Indent generated code.
3022 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3024 * doc/extend.texi (Function Attributes): Add documentation
3027 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3030 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3031 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3033 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3035 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3038 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3041 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3042 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3044 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3046 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3047 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3048 constants instead of magic numbers.
3049 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3051 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3052 (x86_64_ms_abi_int_parameter_registers): Ditto.
3053 (x86_64_int_return_registers): Ditto.
3054 (ix86_maybe_switch_abi): Ditto.
3055 (ix86_expand_call): Ditto for clobbered_registers array.
3056 (ix86_hard_regno_mode_ok): Ditto.
3057 (x86_extended_QIreg_mentioned_p): Ditto.
3059 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3061 PR tree-optimization/39349
3062 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3064 * combine.c (gen_lowpart_for_combine): Use omode when generating
3067 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3069 PR rtl-optimization/39235
3070 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3072 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3074 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3076 2009-03-04 Richard Guenther <rguenther@suse.de>
3078 PR tree-optimization/39362
3079 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3080 that occur in abnormal PHIs should be varying.
3082 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3084 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3086 (simple_iv): Take loop as an argument instead of statement.
3087 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3088 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3090 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3092 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3093 * matrix-reorg.c (analyze_transpose): Ditto.
3094 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3095 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3096 * tree-predcom.c (ref_at_iteration): Ditto.
3097 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3099 2009-03-04 Richard Guenther <rguenther@suse.de>
3101 PR tree-optimization/39358
3102 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3103 escaped_id and callused_id.
3104 (solve_graph): Likewise.
3106 2009-03-04 Richard Guenther <rguenther@suse.de>
3108 PR tree-optimization/39339
3109 * tree-sra.c (try_instantiate_multiple_fields): Make it
3110 no longer ICE on the above.
3112 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3114 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3115 that fits within Pmode.
3117 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3120 * tm.texi (LIBCALL_VALUE): Update description.
3122 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3125 * doc/extend.texi (section): Update description.
3127 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3130 * tree-inline.c (remapped_type): New.
3131 (can_be_nonlocal): Call remapped_type instead of remap_type.
3133 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3136 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3137 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3139 2009-03-03 Richard Guenther <rguenther@suse.de>
3142 * tree.c (tree_nonartificial_location): New function.
3143 * tree.h (tree_nonartificial_location): Declare.
3144 * builtins.c (expand_builtin_memory_chk): Provide location
3145 of the call location for artificial function pieces.
3146 (maybe_emit_chk_warning): Likewise.
3147 (maybe_emit_sprintf_chk_warning): Likewise.
3148 (maybe_emit_free_warning): Likewise.
3149 * expr.c (expand_expr_real_1): Likewise.
3151 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3153 PR tree-optimization/39343
3154 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3155 COMPONENT_REF t has ARRAY_TYPE.
3157 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3160 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3161 when the type precision of the induction variable should be
3162 larger than the type precision of nit.
3163 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3164 * graphite.c (graphite_loop_normal_form): Same.
3165 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3167 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3169 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3170 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3171 numbers to describe clobbered registers.
3172 (*call_value_0_rex64_ms_sysv): Ditto.
3173 * config/i386/mmx.md (mmx_emms): Ditto.
3176 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3178 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3181 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3183 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3184 (spu_section_type_flags): New function.
3186 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3188 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3189 reg_class_contents of FLOAT_REGS into a temporary.
3191 2009-03-02 Richard Guenther <rguenther@suse.de>
3192 Ira Rosen <irar@il.ibm.com>
3194 PR tree-optimization/39318
3195 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3196 information to the vectorized statement.
3198 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3200 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3201 variable. Use defined names instead of magic constants for REX SSE
3204 2009-03-01 Richard Guenther <rguenther@suse.de>
3206 PR tree-optimization/39331
3207 * omp-low.c (lower_send_shared_vars): Do not receive new
3208 values for the reference of DECL_BY_REFERENCE parms or results.
3210 2009-03-01 Jan Hubicka <jh@suse.cz>
3213 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3214 BLOCK_NONLOCALIZED_VAR): New macros.
3215 (tree_block): Add nonlocalized_vars.
3216 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3217 gen_decl_die): Add origin argument. Allow generation of die with
3218 origin at hand only.
3219 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3220 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3222 (gen_block_die): Fix checking for unused blocks.
3223 (process_scope_var): Break out from .... ; work with origins only.
3224 (decls_for_scope) ... here; process nonlocalized list.
3225 (dwarf2out_ignore_block): Look for nonlocalized vars.
3226 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3228 (dump_scope_block): Dump them.
3229 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3230 (remap_block): Likewise.
3231 (can_be_nonlocal): New predicate.
3232 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3234 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3236 * configure: Regenerate.
3238 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3240 * optc-gen.awk: No need to duplicate option flags twice.
3241 Reuse help texts for duplicate options which do not have any.
3243 * gcc.c (display_help): Document --version.
3245 * gcc.c (main): If print_help_list and verbose_flag, ensure
3246 driver output comes before subprocess output.
3248 * optc-gen.awk: Assign all remaining fields to help string,
3249 space-separated, for multi-line help in *.opt.
3251 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3252 -Wno-pedantic-ms-format is for MinGW targets only.
3254 * doc/options.texi (Option file format): Fix bad indentation,
3255 restoring dropped sentence.
3257 2009-02-28 Jan Hubicka <jh@suse.cz>
3259 * tree-inline.c (tree_function_versioning): Output debug info.
3261 2009-02-28 Jan Hubicka <jh@suse.cz>
3264 * tree-inline.c (setup_one_parameter): Do not copy propagate
3265 arguments when not optimizing.
3267 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3270 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3271 (avx_addsubv4df3): Likewise.
3272 (*avx_addsubv4sf3): Likewise.
3273 (sse3_addsubv4sf3): Likewise.
3274 (*avx_addsubv2df3): Likewise.
3275 (sse3_addsubv2df3): Likewise.
3276 (avx_unpckhps256): Correct item selectors.
3277 (avx_unpcklps256): Likewise.
3278 (avx_unpckhpd256): Likewise.
3279 (avx_unpcklpd256): Likewise.
3281 2009-02-28 Jan Hubicka <jh@suse.cz>
3283 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3285 (copy_arguments_for_versioning): If var is declared don't declare it.
3286 (tree_function_versioning): First setup substitutions and then copy
3289 2009-02-27 Jan Hubicka <jh@suse.cz>
3292 * cgraph.h (varpool_output_debug_info): Remove.
3293 * cgraphunit.c (varpool_output_debug_info): Remove.
3294 * dwarf2out.c (deferred_locations_struct): New struct
3295 (deferred_locations): New type.
3296 (deferred_locations_list): New static var.
3297 (deffer_location): New function.
3298 (gen_variable_die): Use it.
3299 (decls_for_scope): Output info on local static vars.
3300 (dwarf2out_finish): Process deferred locations.
3301 * varpool.c (varpool_output_debug_info): Remove.
3303 2009-02-27 Jan Hubicka <jh@suse.cz>
3306 * tree.h (TREE_PROTECTED): Fix comment.
3307 (BLOCK_HANDLER_BLOCK): Remove.
3308 (struct tree_block): Remove handler_block add body_block.
3309 (inlined_function_outer_scope_p): New.
3310 (is_body_block): Remove.
3311 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3312 * dwarf2out.c (is_inlined_entry_point): Remove.
3313 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3314 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3316 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3317 * gimplify.c (gimplify_expr): Gimplify body blocks.
3318 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3319 block with multiple subblocks.
3320 (dump_scope_block): Prettier output; dump more flags and info.
3321 (dump_scope_blocks): New.
3322 (remove_unused_locals): Use dump_scope_blocks.
3323 * tree-flow.h (dump_scope_blocks): Declare.
3324 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3325 * stmt.c (is_body_block): Remove.
3326 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3327 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3329 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3332 * graphite.c (graphite_loop_normal_form): Do not call
3333 number_of_iterations_exit from a gcc_assert.
3335 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3337 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3338 jumps if COND is NULL.
3339 (find_cond_jump): New function.
3340 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3341 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3343 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3345 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3346 force_const_mem returns NULL_RTX.
3348 2009-02-26 Jan Hubicka <jh@suse.cz>
3351 * cgraph.h (varpool_output_debug_info): Remove.
3352 * cgraphunit.c (varpool_output_debug_info): Remove.
3353 * dwarf2out.c (deferred_locations_struct): New struct
3354 (deferred_locations): New type.
3355 (deferred_locations_list): New static var.
3356 (deffer_location): New function.
3357 (gen_variable_die): Use it.
3358 (decls_for_scope): Output info on local static vars.
3359 (dwarf2out_finish): Process deferred locations.
3360 * varpool.c (varpool_output_debug_info): Remove.
3362 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3364 PR rtl-optimization/39241
3365 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3366 to subreg_offset_representable_p.
3368 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3370 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3371 execute function prototype. Get f and nregs from max_reg_num
3372 and get_insns. Remove the first backward pass as it's dead,
3373 guard the forward pass by flag_expensive_optimizations.
3374 (rest_of_handle_regmove): Delete.
3375 (pass_regmove): Replace it with regmove_optimize.
3377 2009-02-25 Martin Jambor <mjambor@suse.cz>
3379 PR tree-optimization/39259
3380 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3381 calls_alloca function flags.
3382 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3385 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3387 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3388 flags_set_1_rtx, flags_set_1_set): Delete.
3389 (regmove_optimize): Do not call mark_flags_life_zones.
3391 2009-02-24 Julian Brown <julian@codesourcery.com>
3394 * config/arm/arm.c (require_pic_register): Only set
3395 cfun->machine->pic_reg once per function.
3397 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3399 * doc/invoke.texi (Link Options): Document an easier way to pass
3400 options that take arguments to the GNU linker using -Xlinker and -Wl.
3402 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3405 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3407 2009-02-24 Richard Guenther <rguenther@suse.de>
3410 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3412 2009-02-24 Richard Guenther <rguenther@suse.de>
3413 Zdenek Dvorak <ook@ucw.cz>
3415 PR tree-optimization/39233
3416 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3417 from converting them to a generic type.
3419 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3421 PR tree-optimization/39260
3422 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3423 contains a condition with a real type.
3424 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3426 2009-02-23 Jason Merrill <jason@redhat.com>
3429 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3430 narrowing_initializer_constant_valid_p.
3431 (narrowing_initializer_constant_valid_p): Don't return
3432 null_pointer_node for adding a pointer to itself.
3434 2009-02-23 Jan Hubicka <jh@suse.cz>
3437 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3440 2009-02-23 Jan Hubicka <jh@suse.cz>
3442 PR tree-optimization/37709
3443 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3444 * tree.h (block_ultimate_origin): Declare.
3445 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3446 * tree-ssa-live.c (remove_unused_scope_block_p):
3447 Eliminate blocks containig no instructions nor live variables nor
3449 (dump_scope_block): New function.
3450 (remove_unused_locals): Enable removal of dead blocks by default;
3451 enable dumping at TDF_DETAILS.
3453 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3455 * config/i386/i386.c (classify_argument): Don't allow COImode
3457 (function_arg_advance_32): Don't allow OImode.
3458 (function_arg_32): Likewise.
3459 (function_value_32): Likewise.
3460 (return_in_memory_32): Likewise.
3461 (function_arg_64): Remove OImode comment.
3463 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3466 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3467 ix86_expand_vector_set for V4DImode in 64bit mode only.
3468 (ix86_expand_vector_init_one_var): Likewise.
3470 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3472 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3474 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3477 * loop-iv.c: Revert last change.
3478 * emit-rtl.c: Likewise.
3480 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3483 * config/i386/i386.c (type_natural_mode): Remove an extra
3484 space in the warning message.
3485 (function_value_32): Handle 32-byte vector modes.
3486 (return_in_memory_32): Likewise.
3488 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3490 * loop-iv.c (truncate_value): New function.
3491 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3493 (lowpart_subreg): Move to...
3494 * emit-rtl.c: ...here.
3496 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3498 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3499 accidental and undocumented change at revision 140860.
3501 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3503 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3504 take gimple_seq * arguments.
3505 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3506 types_compatible_p langhook.
3508 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3509 Joseph Myers <joseph@codesourcery.com>
3511 * config/arm/arm.c (arm_builtin_va_list): New function.
3512 (arm_expand_builtin_va_start): Likewise.
3513 (arm_gimplify_va_arg_expr): Likewise.
3514 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3515 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3516 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3517 (va_list_type): New variable.
3518 (arm_mangle_type): Mangle va_list_type appropriately.
3520 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3523 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3524 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3525 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3526 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3527 parameter to 1000 for -O1 by default.
3528 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3530 * loop-invariant.c: Include params.h.
3531 (move_loop_invariants): Don't call move_single_loop_invariants on
3534 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3536 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3537 offset when calculating bounds for indexing stack_usage_map. Fixes
3538 a buffer overflow with certain target setups.
3540 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3543 * calls.c (expand_call): Clear try_tail_call if caller and callee
3544 disagree in promotion of function return value.
3546 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3549 * c-common.c (c_determine_visibility): If visibility changed and
3550 DECL_RTL has been already set, call make_decl_rtl to update symbol
3553 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3556 * varasm.c (assemble_variable): Don't check DECL_NAME when
3557 globalizing a variable.
3559 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3562 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3563 expression before any __builtin_trap call.
3564 * c-typeck.c (build_function_call): Convert and check function
3565 arguments before generating a call to a trap. Evaluate the
3566 function arguments before the trap.
3568 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3571 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3572 (UNSPEC_FXAM_MEM): New unspec.
3573 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3574 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3575 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3577 2009-02-19 Richard Guenther <rguenther@suse.de>
3579 PR tree-optimization/39207
3580 PR tree-optimization/39074
3581 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3582 storedanything_tree): New.
3583 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3584 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3585 (build_succ_graph): Add edges from STOREDANYTHING to all
3587 (init_base_vars): Initialize STOREDANYTHING.
3588 (compute_points_to_sets): Free substitution info after
3589 building the succ graph.
3590 (ipa_pta_execute): Likewise.
3592 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3594 (do_ds_constraint): Do not add to special var or non-pointer
3596 (type_could_have_pointers): Split out from ...
3597 (could_have_pointers): ... here. For arrays use the element type.
3598 (create_variable_info_for): Initialize may_have_pointers.
3599 (new_var_info): Likewise.
3600 (handle_lhs_call): Make the HEAP variable unknown-sized.
3601 (intra_create_variable_infos): Use a type with pointers for
3602 PARM_NOALIAS, make it unknown-sized.
3604 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3607 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3609 2009-02-18 Jason Merrill <jason@redhat.com>
3612 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3613 value if DECL_EXTERNAL.
3614 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3615 * target.h (gcc_target::binds_local_p): Clarify "module".
3616 * tree.h (TREE_PUBLIC): Clarify "module".
3618 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3621 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3622 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3624 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3627 * c.opt (Wabi): Support C and ObjC.
3630 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3632 * config/i386/i386.c (classify_argument): Warn once about the ABI
3633 change when passing union with long double.
3635 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3637 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3640 * c-parser.c (c_parser_compound_statement): Always enter and leave
3643 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3646 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3648 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3650 PR tree-optimization/36922
3651 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3652 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3655 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3657 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3660 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3662 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3664 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3666 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3669 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
3670 Richard Sandiford <rdsandiford@googlemail.com>
3672 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3673 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3674 (loongson_biadd): ...this.
3676 2009-02-17 Richard Guenther <rguenther@suse.de>
3678 PR tree-optimization/39202
3679 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3680 a var make sure to follow existing collapses.
3682 2009-02-17 Richard Guenther <rguenther@suse.de>
3685 * langhooks.c (lhd_print_error_function): Check for NULL block.
3687 2009-02-17 Richard Guenther <rguenther@suse.de>
3689 PR tree-optimization/39204
3690 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3693 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
3695 * config/soft-fp/double.h: Update from glibc CVS.
3697 2009-02-17 Richard Guenther <rguenther@suse.de>
3699 PR tree-optimization/39207
3700 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
3701 strict-aliasing warnings for pointers pointing to NULL.
3703 2009-02-16 Joseph Myers <joseph@codesourcery.com>
3706 * c-parser.c (c_parser_braced_init): Call pop_init_level when
3707 skipping until next close brace.
3709 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
3712 * config/i386/i386.c (ix86_expand_push): Set memory alignment
3713 to function argument boundary.
3715 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3717 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
3718 in the lea_add. Reload eventually constraints it properly.
3719 * config/picochip/constraints.md : Remove the target constraint
3720 "b", since it is not needed anymore.
3722 2009-02-16 Jakub Jelinek <jakub@redhat.com>
3724 * gthr-dce.h: Uglify function parameter and local variable names.
3725 * gthr-gnat.h: Likewise.
3726 * gthr-mipssde.h: Likewise.
3727 * gthr-nks.h: Likewise.
3728 * gthr-posix95.h: Likewise.
3729 * gthr-posix.h: Likewise.
3730 * gthr-rtems.h: Likewise.
3731 * gthr-single.h: Likewise.
3732 * gthr-solaris.h: Likewise.
3733 * gthr-tpf.h: Likewise.
3734 * gthr-vxworks.h: Likewise.
3735 * gthr-win32.h: Likewise.
3737 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
3740 * config/i386/i386.md: Restrict the new peephole2 to move
3741 between MMX/SSE registers.
3743 2009-02-15 Richard Guenther <rguenther@suse.de>
3746 2009-02-13 Richard Guenther <rguenther@suse.de>
3748 * configure.ac: Enable LFS.
3749 * configure: Re-generate.
3750 * config.in: Likewise.
3752 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3754 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
3755 spu_srqwbyte, spu_srqwbytebc): Define.
3756 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
3757 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
3758 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
3759 "shrqby_<mode>"): New insn-and-split patterns.
3760 * config/spu/spu.c (expand_builtin_args): Determine and return
3761 number of operands using spu_builtin_description data.
3762 (spu_expand_builtin_1): Use it.
3764 2009-02-13 Steve Ellcey <sje@cup.hp.com>
3767 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3770 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3773 * config/i386/i386.c (override_options): Correct warning
3774 messages for -malign-loops, -malign-jumps and -malign-functions.
3776 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3779 * config/i386/i386.md: Restrict the new peephole2 to move
3780 between the general purpose registers.
3782 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3785 * config/i386/i386.c (type_natural_mode): Add a new argument.
3786 Return the original mode and warn ABI change if vector size is 32byte.
3787 (function_arg_advance): Updated.
3788 (function_arg): Likewise.
3789 (ix86_function_value): Likewise.
3790 (ix86_return_in_memory): Likewise.
3791 (ix86_sol10_return_in_memory): Likewise.
3792 (ix86_gimplify_va_arg): Likewise.
3793 (function_arg_32): Don't warn ABX ABI change here.
3794 (function_arg_64): Likewise.
3796 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
3798 * loop-iv.c (implies_p): In the final case, test that operands 0
3799 of the two comparisons match.
3801 * config/bfin/bfin.c (find_prev_insn_start): New function.
3802 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3803 (find_next_insn_start): Move.
3805 2009-02-13 Richard Guenther <rguenther@suse.de>
3807 * configure.ac: Enable LFS.
3808 * configure: Re-generate.
3809 * config.in: Likewise.
3811 2009-02-13 Joseph Myers <joseph@codesourcery.com>
3814 * c-parser.c (c_parser_parms_list_declarator): Discard pending
3815 sizes on syntax error after some arguments have been parsed.
3817 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3819 * doc/invoke.texi (-fira): Remove.
3821 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3823 * caller-save.c: Replace regclass.c with reginfo.c in comments.
3824 * recog.c: Likewise.
3827 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
3829 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3830 (umul_ppmm): Likewise.
3831 (count_leading_zeros): Likewise.
3832 (count_trailing_zeros): Likewise.
3833 (UMUL_TIME): Likewise.
3835 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3837 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3838 soft-fp/t-softfp to tmake_file.
3840 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3841 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3842 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3843 IA64_BUILTIN_INFQ]: New.
3844 (ia64_init_builtins): Initialize __builtin_infq,
3845 __builtin_fabsq and __builtin_copysignq if not HPUX.
3846 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3847 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3849 * config/ia64/lib1funcs.asm (__divtf3): Define only if
3851 (__fixtfti): Likewise.
3852 (__fixunstfti): Likewise.
3853 (__floattitf): Likewise.
3855 * config/ia64/libgcc-glibc.ver: New.
3856 * config/ia64/t-fprules-softfp: Likewise.
3857 * config/ia64/sfp-machine.h: Likewise.
3859 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3860 (LIBGCC2_TF_CEXT): Likewise.
3861 (TF_SIZE): Likewise.
3862 (TARGET_INIT_LIBFUNCS): Likewise.
3864 * config/ia64/t-glibc (SHLINB_MAPFILES):
3865 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3867 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3869 * config/i386/i386.c (construct_container): Rewrite processing
3870 BLKmode with X86_64_SSE_CLASS.
3872 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
3875 * config/i386/i386.md: Replace simplify_replace_rtx with
3876 replace_rtx in the new peephole2.
3878 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
3880 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3881 loop unrolling do not happen at -O2.
3883 2009-02-12 Michael Matz <matz@suse.de>
3885 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3887 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3889 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3892 2009-02-12 Ben Elliston <bje@au.ibm.com>
3894 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3895 patterns when updating the back chain. Missed in the 2009-02-10
3898 2009-02-11 Janis Johnson <janis187@us.ibm.com>
3900 * doc/extend.texi (Decimal Floating Types): Update identifier of
3901 draft TR and list of missing support.
3903 2009-02-11 Jakub Jelinek <jakub@redhat.com>
3906 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3907 bit to variable length decl's flags, add it also to its
3908 pointer replacement variable.
3910 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
3911 Jakub Jelinek <jakub@redhat.com>
3914 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3915 (memory_blockage): New expander.
3916 (*memory_blockage): New insn pattern.
3917 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3918 instead of general blockage at the end of function prologue when
3919 frame pointer is used to access red zone area. Do not emit blockage
3920 when profiling, it is emitted in generic code.
3921 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3922 function epilogue when frame pointer is used to access red zone area.
3924 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
3927 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3928 by arithmetic with memory operands.
3929 * config/i386/predicates.md (commutative_operator): New.
3931 2009-02-10 Janis Johnson <janis187@us.ibm.com>
3933 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3936 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
3938 * alias.h (record_alias_subset): Declare.
3939 * alias.c (record_alias_subset): Make global.
3941 2009-02-10 Nick Clifton <nickc@redhat.com>
3943 * tree-parloops.c: Change license to GPLv3.
3944 * ipa-struct-reorg.c: Change license to GPLv3.
3945 * ipa-struct-reorg.h: Change license to GPLv3.
3947 2009-02-10 Steve Ellcey <sje@cup.hp.com>
3950 * c-decl.c (start_struct): Return NULL on error.
3952 2009-02-10 Jakub Jelinek <jakub@redhat.com>
3955 * cfgloopmanip.c (remove_path): Call remove_bbs after
3956 cancel_loop_tree, not before it.
3959 * function.h (struct function): Add has_local_explicit_reg_vars bit.
3960 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3961 VAR_DECLs were seen.
3962 * tree-ssa-live.c (remove_unused_locals): Recompute
3963 cfun->has_local_explicit_reg_vars.
3964 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3965 copies or clearings if cfun->has_local_explicit_reg_vars.
3967 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
3970 * config/i386/i386.c (expand_prologue): Emit blockage at the end
3971 of function prologue when frame pointer is used to access
3974 2009-02-10 Richard Guenther <rguenther@suse.de>
3977 * gimplify.c (gimple_regimplify_operands): Always look if
3978 we need to create a temporary.
3980 2009-02-10 Richard Guenther <rguenther@suse.de>
3982 PR tree-optimization/39132
3983 * tree-loop-distribution.c (todo): New global var.
3984 (generate_memset_zero): Trigger TODO_rebuild_alias.
3985 (tree_loop_distribution): Return todo.
3987 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
3990 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
3991 (x86_64_reg_class_name): Removed.
3992 (classify_argument): Return 0 if bytes > 32. Return 0 if the
3993 first one isn't X86_64_SSE_CLASS or any other ones aren't
3994 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
3995 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
3996 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
3997 and 3 X86_64_SSEUP_CLASS.
3998 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
3999 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4001 2009-02-10 Ben Elliston <bje@au.ibm.com>
4003 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4004 form instruction to update the stack back chain word, even if the
4005 user has disabled the generation of update instructions.
4006 (movdi_<mode>_update_stack): New.
4007 (movsi_update_stack): Likewise.
4008 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4009 always use an update form instruction to update the stack back
4012 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4015 * graphite.c (if_region_set_false_region): After moving a region in
4016 the false branch of a condition, remove the empty dummy basic block.
4017 (gloog): Remove wrong fix for PR38953.
4019 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4021 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4022 generation due to implicit sign extension.
4024 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4027 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4028 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4030 2009-02-09 Richard Guenther <rguenther@suse.de>
4033 * convert.c (convert_to_real): Disable (float)fn((double)x)
4034 to fnf(x) conversion if errno differences may occur and
4035 -fmath-errno is set.
4037 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4039 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4040 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4041 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4043 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4046 * c-common.c (handle_alias_attribute): Disallow attribute for
4047 anything not a FUNCTION_DECL or VAR_DECL.
4049 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4052 * real.c (do_compare): Special-case compare of zero against
4053 decimal float value.
4055 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4058 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4059 as indicating flexible array members unless the field itself is
4060 being declarared as the incomplete array.
4062 2009-02-06 Jan Hubicka <jh@suse.cz>
4064 PR tree-optimization/38844
4065 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4068 2009-02-06 Richard Guenther <rguenther@suse.de>
4071 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4072 fork because we may expand it as __gcov_fork.
4074 2009-02-06 Nick Clifton <nickc@redhat.com>
4076 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4078 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4080 PR tree-optimization/35659
4081 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4082 vn_phi_eq): Shortcut if hashcode does not match.
4083 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4085 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4086 and avoid iterative_hash_expr.
4087 (FOR_EACH_VALUE_ID_IN_SET): New.
4088 (value_id_compare): Remove.
4089 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4090 sort expressions by value id.
4092 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4095 * config/sh/predicates.md (general_movsrc_operand): Don't check
4096 the subreg of system registers here.
4098 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4101 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4104 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4106 PR rtl-optimization/39110
4107 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4108 addresses, not aligned ones.
4110 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4111 Richard Guenther <rguenther@suse.de>
4113 PR tree-optimization/39100
4114 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4115 comment says and add edges.
4117 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4120 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4121 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4123 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4125 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4126 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4127 register_bb_in_sese, new_sese, free_sese): Moved.
4128 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4129 outermost_loop_in_scop, build_scop_iteration_domain,
4130 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4131 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4132 Use loop_in_sese_p instead of loop_in_scop_p.
4133 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4134 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4135 (scopdet_basic_block_info): Fix bug in scop detection.
4136 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4137 eq_loop_to_cloog_loop): Remove.
4138 (nb_loops_around_loop_in_scop, nb_loop
4139 ref_nb_loops): Moved here...
4140 * graphite.h (ref_nb_loops): ... from here.
4141 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4142 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4143 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4144 * testsuite/gcc.dg/graphite/scop-19.c: New
4146 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4147 Hans-Peter Nilsson <hp@axis.com>
4149 PR rtl-optimization/37889
4150 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4151 Move offset handling from PLUS to before the switch. Use new
4152 arguments when considering SYMBOL_REFs too.
4153 (rtx_addr_can_trap_p): Pass dummy offset and size.
4154 (enum may_trap_p_flags): Remove.
4155 (may_trap_p_1): Pass size from MEM_SIZE.
4157 PR rtl-optimization/38921
4158 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4159 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4160 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4161 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4163 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4165 AVX Programming Reference (January, 2009)
4166 * config/i386/sse.md (*vpclmulqdq): New.
4168 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4170 PR tree-optimization/38977
4171 PR gcov-profile/38292
4172 * calls.c (special_function_p): Disregard __builtin_ prefix.
4174 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4176 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4177 non-indexable addresses even before reload.
4179 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4182 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4183 as having variable size. Do not give an error for unnamed
4184 parameters with [*] declarators. Give a warning for type names
4185 with [*] declarators and mark them as variable size.
4186 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4187 for sizeof applied to [*] type names.
4189 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4192 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4194 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4196 * gcc.c (process_command): Update copyright notice dates.
4197 * gcov.c (print_version): Likewise.
4198 * gcov-dump.c (print_version): Likewise.
4199 * mips-tfile.c (main): Likewise.
4200 * mips-tdump.c (main): Likewise.
4202 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4205 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4206 for composite type involving a zero-length array type.
4208 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4211 * function.c (match_asm_constraints_1): Skip over
4212 initial optional % in the constraint.
4215 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4216 supported, don't accept FIXED_CSTs.
4217 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4218 and _Sat is used without _Fract/_Accum. Set specs->type to
4219 integer_type_node for cts_fract/cts_accum if fixed point is not
4222 2009-02-02 Catherine Moore <clm@codesourcery.com>
4224 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4226 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4228 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4229 (ABI_HAS_64BIT_SYMBOLS): Use it.
4230 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4232 2009-02-02 Paul Brook <paul@codesourcery.com>
4234 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4236 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4239 * recog.h (asm_operand_ok): Add constraints argument.
4240 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4241 recurse on matching constraint.
4242 (check_asm_operands): Pass constraints as 3rd argument to
4243 asm_operand_ok. Don't look up matching constraint here.
4244 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4247 2009-02-02 Ben Elliston <bje@au.ibm.com>
4249 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4250 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4252 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4254 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4255 information. Remove some obsolete information. Reorganize.
4257 * config/pa/fptr.c: Revert license to GPL 2.
4258 * config/pa/milli64.S: Likewise.
4260 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4263 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4264 LIBRARY name in, instead of hard-coding it.
4265 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4266 extra target make frag to tmake_files according to EH model.
4267 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4268 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4269 frags that define makefile variable EH_MODEL appropriately.
4270 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4271 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4272 to "-sjlj" according to type of EH configured.
4273 (LIBGCC_SONAME): Concatenate it to shared library base name.
4274 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4275 to "_sjlj" according to type of EH configured.
4276 (LIBGCC_SONAME): Concatenate it to shared library base name.
4277 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4278 (SHLIB_LINK): Add missing semicolon to if-else construct.
4279 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4280 string value of "pe_dll" command-line option.
4281 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4282 (SHLIB_SONAME): Use it when overriding t-cygming default.
4283 (SHLIB_IMPLIB): Override t-cygming default.
4284 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4285 string value of "pe_dll" command-line option.
4287 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4290 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4291 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4293 2009-01-31 Richard Guenther <rguenther@suse.de>
4295 PR tree-optimization/38937
4296 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4297 computing the transitive closure.
4299 2009-01-30 Richard Guenther <rguenther@suse.de>
4301 PR tree-optimization/39041
4302 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4303 Propagate variable indices only if the types match for this stmt.
4305 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4308 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4309 inline but never defined.
4311 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4313 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4314 (*insv_h_di_reg_extimm): New insn.
4315 (*insv_l<mode>_reg_extimm): New insn.
4317 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4319 * config/picochip/picochip.c (flag_conserve_stack): set
4320 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4321 fconserve-stack. Reduce call-overhead used by inliner.
4323 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4326 * common.opt (flag_conserve_stack): Initialised to zero.
4328 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4331 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4332 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4335 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4337 * ira-color.c (allocno_reload_assign): Update comments.
4338 * regmove.c (regmove_optimize): Likewise.
4342 2009-01-29 Robert Millan <rmh@aybabtu.com>
4344 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4345 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4346 `MD_UNWIND_SUPPORT'.
4347 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4349 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4351 PR tree-optimization/39007
4352 * tree-loop-distribution.c (generate_builtin): Use
4353 recompute_dominator to compute the immediate dominator of the
4354 basic block just after the loop.
4356 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4358 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4359 (ASM_OUTPUT_DWARF_PCREL): Define.
4361 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4363 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4364 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4365 global. Modify entries about regmove and IRA.
4367 * ra-conflict.c: Remove the file.
4369 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4371 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4372 (pass_regclass_init): Rename to pass_reginfo_init.
4374 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4376 * toplev.h (flag_ira): Remove.
4378 * caller-save.c (setup_save_areas): Remove flag_ira.
4380 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4382 * global.c: Remove the file.
4384 * opts.c (decode_options): Remove flag_ira.
4386 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4388 * regmove.c: Modify file description.
4389 (find_use_as_address, try_auto_increment): Define them only if
4390 AUTO_INC_DEC is defined.
4391 (replacement_quality, replace_in_call_usage, fixup_match_1,
4392 stable_and_no_regs_but_for_p): Remove.
4393 (reg_set_in_bb): Make it static.
4394 (regmove_optimize): Remove flag_ira and code which worked for
4397 * local-alloc.c: Remove the file.
4399 * common.opt (fira): Remove.
4401 * ira.c: Include except.h.
4402 (eliminable_regset): Move from global.c.
4403 (mark_elimination): Ditto. Remove flag_ira.
4404 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4405 equiv_mem_modified, validate_equiv_mem_from_store,
4406 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4407 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4408 no_equiv, recorded_label_ref): Move from local-alloc.c.
4409 (update_equiv_regs): Ditto. Make it static.
4410 (print_insn_chain, print_insn_chains): Move it from global.c.
4411 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4412 (build_insn_chain): Ditto. Make it static.
4413 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4414 Rename to init_live_subregs.
4415 (gate_ira): Remove flag_ira.
4417 * regclass.c: Rename reginfo.c. Change file description.
4418 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4419 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4420 (init_reg_sets_1): Remove code for evaluation of
4421 reg_class_superclasses and losing_caller_save_reg_set.
4422 (init_regs): Remove init_reg_autoinc.
4423 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4424 ok_for_base_p_nonstrict): Remove.
4425 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4426 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4427 corresponding entries.
4428 (dump_regclass, record_operand_costs, scan_one_insn,
4429 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4430 record_address_regs, auto_inc_dec_reg_p): Remove.
4431 (gt-regclass.h): Rename to gt-reginfo.h.
4433 * rtl.h (dump_global_regs, retry_global_alloc,
4434 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4436 * Makefile.in (RA_H): Remove.
4437 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4438 Rename regclass.o to reginfo.o.
4439 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4441 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4442 (GTFILES): Rename regclass.c to reginfo.c.
4444 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4445 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4447 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4448 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4450 (finish_spills): Ditto. Remove code for !flag_ira.
4452 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4455 * doc/invoke.texi (rtl debug options): Complete rewrite.
4456 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4458 * mode-switching.c (pass_mode_switching): Rename pass from
4459 "mode-sw" to "mode_sw".
4460 * except.c (pass_convert_to_eh_ranges): Rename pass from
4461 "eh-ranges" to "eh_ranges".
4462 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4466 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4467 Alexander Monakov <amonakov@ispras.ru>
4470 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4472 (move_exprs_to_boundary): Change return type and pass through
4473 should_move from move_op. Relax assert. Update usage ...
4474 (schedule_expr_on_boundary): ... here. Use should_move instead of
4476 (move_op_orig_expr_found): Indicate that insn was disconnected from
4478 (code_motion_process_successors): Do not call after_merge_succs
4479 callback if original expression was not found when traversing any of
4481 (code_motion_path_driver): Change return type. Update prototype.
4482 (move_op): Update comment. Add a new parameter (should_move). Update
4483 prototype. Set *should_move based on indication provided by
4484 move_op_orig_expr_found.
4486 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4488 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4489 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4490 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4491 * config/rs6000/rs6000.c (rs6000_override_options): Default
4492 avoid-indexed-addresses on for Power6, off for everything else.
4493 (avoiding_indexed_address_p): New function.
4494 (rs6000_legitimize_address): Use it.
4495 (rs6000_legitimate_address): Likewise.
4496 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4498 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4500 PR tree-optimization/38997
4501 * tree-loop-distribution.c (generate_memset_zero): Use
4502 POINTER_PLUS_EXPR for a pointer addition.
4504 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4506 * config/s390/s390.md (bswap<mode>2): New pattern added.
4508 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4510 * config/s390/s390.md (*tls_load_31): Added type attribute.
4512 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4514 * config/s390/s390.md: Fix a few comments.
4516 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4518 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4519 (*tm<mode>_full): Fixed z10prop attribute.
4520 (*tst<mode>_extimm): Fixed z10prop attribute.
4521 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4522 (*tstqiCCT_cconly): Fixed z10prop attribute.
4523 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4524 (*movsi_larl): Fixed z10prop attribute.
4525 (*movsi_zarch): Fixed z10prop attribute.
4526 (*movsi_eas): Fixed z10prop attribute.
4527 (*movhi): Fixed z10prop attribute.
4528 (*movqi): Fixed z10prop attribute.
4529 (*movstrictqi): Fixed z10prop attribute.
4530 (*mov<mode>): Fixed z10prop attribute.
4531 (*movcc): Fixed z10prop attribute.
4532 (*sethighpartdi_64): Fixed z10prop attribute.
4533 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4534 (*negdi2_sign_cc): Fixed z10prop attribute.
4535 (*negdi2_sign): Fixed z10prop attribute.
4536 (*absdi2_sign_cc): Fixed z10prop attribute.
4537 (*absdi2_sign): Fixed z10prop attribute.
4538 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4539 (*negabsdi2_sign): Fixed z10prop attribute.
4540 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4541 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4542 (doloop_si64): Fixed z10prop attribute.
4543 (doloop_si31): Fixed z10prop attribute.
4544 (doloop_long): Fixed z10prop attribute.
4545 (indirect_jump): Fixed z10prop attribute.
4546 (nop): Fixed z10prop attribute.
4547 (main_base_64): Fixed z10prop attribute.
4548 (reload_base_64): Fixed z10prop attribute.
4550 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4552 PR rtl-optimization/38740
4553 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4555 * config/mips/mips.c (mips_reorg): Likewise.
4557 2009-01-28 Richard Guenther <rguenther@suse.de>
4559 PR tree-optimization/38926
4560 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4561 with the correct value id to a value.
4562 (do_regular_insertion): Use the value number of edoubleprime
4563 for the value number of the expr.
4566 2008-08-21 Richard Guenther <rguenther@suse.de>
4568 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4569 a PHI ask VN if it is already available.
4570 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4571 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4573 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4576 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4577 set to varying whenever max has TREE_OVERFLOW set, similarly
4578 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4580 2009-01-28 Richard Guenther <rguenther@suse.de>
4583 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4584 uninitialized aggregate uses in call arguments.
4586 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4588 PR tree-optimization/38984
4589 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4590 the nothing_id variable if -fno-delete-null-pointer-checks.
4592 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4595 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4596 (set_got_offset_rex64): Ditto.
4598 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4601 * doc/extend.texi: Improve local variable with asm reg.
4603 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4605 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4606 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4607 was not supplied then set warn_packed_bitfield_compat to the
4609 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4612 2009-01-27 Richard Guenther <rguenther@suse.de>
4614 PR tree-optimization/38503
4615 * cfgexpand.c (expand_gimple_basic_block): Ignore
4616 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4617 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4618 variables that cannot have TBAA applied.
4619 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4622 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4625 * calls.c (initialize_argument_information): Do not wrap complex
4626 arguments in SAVE_EXPR.
4628 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4630 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4631 (INSTALL_LIBGCC): Revert typo commit.
4633 2009-01-26 Richard Guenther <rguenther@suse.de>
4635 PR tree-optimization/38745
4636 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4637 from special handling.
4639 2009-01-26 Richard Guenther <rguenther@suse.de>
4641 PR tree-optimization/38745
4642 * tree-ssa.c (execute_update_addresses_taken): Do not include
4643 variables that cannot possibly be a register in not_reg_needs.
4644 Do not clear TREE_ADDRESSABLE on vars that may not become
4646 * tree-ssa.c (update_alias_info_1): Include those in the set
4647 of addressable vars.
4649 2009-01-26 Richard Guenther <rguenther@suse.de>
4652 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4653 * tree-ssa-dse.c: Include langhooks.h
4654 (execute_simple_dse): Remove stores with zero size.
4656 2009-01-24 Jakub Jelinek <jakub@redhat.com>
4659 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
4662 2009-01-24 Julian Brown <julian@codesourcery.com>
4664 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
4665 config/arm/linux-atomic.c.
4666 * config/arm/linux-atomic.c: New.
4668 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
4670 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
4671 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
4672 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
4674 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
4677 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
4680 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
4682 PR tree-optimization/38953
4683 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4684 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
4685 (gloog): Split the exit of the scop when the scop exit is a loop exit.
4686 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4689 2009-01-24 Paul Brook <paul@codesourcery.com>
4691 * config/arm/neon.md (neon_type): Move to arm.md.
4692 (neon_mov<VSTRUCT>): Add neon_type attribute.
4693 * config/arm/arm.md (neon_type): Move to here.
4694 (conds): Add "unconditioal" and use as default for NEON insns.
4696 2009-01-24 Ben Elliston <bje@au.ibm.com>
4698 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
4699 void *' warning from -Wc++-compat.
4700 * Makefile.in (dominance.o-warn): Remove.
4702 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
4704 PR tree-optimization/38932
4705 * fold-const.c (fold_unary_ignore_overflow): New.
4706 * tree.h (fold_unary_ignore_overflow): Declare.
4707 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
4708 * tree-ssa-sccvn.c (visit_reference_op_load,
4709 simplify_unary_expression): Likewise.
4711 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
4713 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
4714 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
4715 regardless of their type.
4716 * c-common.c (handle_packed_attribute): Don't ignore packed on
4718 * c.opt (Wpacked-bitfield-compat): New warning option.
4719 * stor-layout.c (place_field): Warn if offset of a field changed.
4720 * doc/extend.texi (packed): Mention the ABI change.
4721 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
4722 (Warning Options): Add it to the list.
4724 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
4726 * c-opts.c (c_common_post_options): Fix a typo in comments.
4728 2009-01-22 Steve Ellcey <sje@cup.hp.com>
4731 * gimplify.c (gimplify_init_constructor): Fix promotion of const
4732 variables to static.
4733 * doc/invoke.texi (-fmerge-all-constants): Update description.
4735 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
4738 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
4739 (*movdi_1_rex64): Use type "mmx" for alternative 5.
4741 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
4743 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
4745 (LOCAL_ALIGNMENT): Similarly.
4747 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4748 Joseph Myers <joseph@codesourcery.com>
4750 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
4751 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
4752 * config/arm/arm-tune.md: Regenerate.
4753 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
4756 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4758 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
4759 version number to five.
4761 2009-01-22 Dodji Seketeli <dodji@redhat.com>
4764 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
4765 * c-common.c (set_underlying_type): Likewise.
4766 (is_typedef_decl ): Likewise
4768 (set_underlying_type): Likewise.
4769 (is_typedef_type): Likewise.
4771 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
4774 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
4777 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4780 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
4781 (LIBGCC_SPEC): Don't define.
4782 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
4784 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
4786 PR rtl-optimization/38879
4787 * alias.c (base_alias_check): Unaligned access via AND address can
4788 alias all surrounding object types except those with sizes equal
4789 or wider than the size of unaligned access.
4791 2009-01-21 Dodji Seketeli <dodji@redhat.com>
4794 * c-decl.c (clone_underlying_type): Move this ...
4795 * c-common.c (set_underlying_type): ... here.
4796 Also, make sure the function properly sets TYPE_STUB_DECL() on
4797 the newly created typedef variant type.
4798 (is_typedef_decl ): New entry point.
4799 * tree.h: Added a new member member_types_needing_access_check to
4800 struct tree_decl_non_common.
4801 (set_underlying_type): New entry point.
4802 (is_typedef_type): Likewise.
4804 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
4806 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4807 Check whether two instructions have memory references that
4808 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
4809 are helper functions for traversing.
4810 * alias.h (insn_alias_sets_confilict_p): New prototypes.
4811 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4812 not to draw dependency edge for instructions with non-conflicting
4815 2009-01-20 Joseph Myers <joseph@codesourcery.com>
4818 * longlong.h: Update copyright years. Use soft-fp license notice.
4819 Sync __clz_tab declaration with glibc.
4821 2009-01-20 Steve Ellcey <sje@cup.hp.com>
4824 * doc/extend.texi (syscall_linkage): New.
4825 (version_id): Modify.
4827 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4828 Richard Guenther <rguenther@suse.de>
4830 PR tree-optimization/38747
4831 PR tree-optimization/38748
4832 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4833 conversion if the base address is an indirect reference and the
4834 aliasing sets could cause issues.
4836 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4838 * common.opt (fgraphite, fgraphite-identity): Add comment for
4839 explaining why these options are not documented.
4841 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4843 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4844 gimple_call_lhs is NULL.
4846 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
4849 * emit-rtl.c (adjust_address_1): Make sure memref is never
4852 2009-01-20 Ben Elliston <bje@au.ibm.com>
4854 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4855 const qualifier from arg parameter. Remove unnecessary cast to char *.
4856 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4857 const qualifier from arg 2.
4859 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4861 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
4863 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
4866 * rtl.h (reinit_regs): New prototype.
4867 * regclass.c: Include ira.h.
4869 * Makefile.in (regclass.o): Add ira.h.
4870 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
4872 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
4875 * c-common.c (handle_aligned_attribute): Use
4876 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
4877 default alignment value.
4879 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
4881 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
4882 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
4884 * doc/extend.texi: Update __attribute__ ((aligned)). Document
4885 __BIGGEST_ALIGNMENT__.
4887 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
4889 2009-01-18 Richard Guenther <rguenther@suse.de>
4891 PR tree-optimization/38819
4892 * tree-flow.h (operation_could_trap_helper_p): Declare.
4893 * tree-eh.c (operation_could_trap_helper_p): Export.
4894 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
4895 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
4896 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
4897 are about to insert a possibly trapping instruction and fail
4900 2009-01-18 Andreas Schwab <schwab@suse.de>
4902 * doc/install.texi (Configuration): Remove obsolete paragraph
4903 about use of --with-gnu-ld with --with-gnu-as.
4905 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
4907 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
4908 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
4909 Follow spelling conventions.
4911 2009-01-18 Ben Elliston <bje@au.ibm.com>
4913 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
4914 C++ warning about implicit conversion from void * to struct
4916 (bitmap_obstack_free): Likewise for bitmap_element *.
4917 * Makefile.in (bitmap.o-warn): Remove.
4919 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
4921 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
4923 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
4924 Tobias Grosser <tobi.grosser@amd.com>
4926 * graphite.c (graphite_trans_scop_block): Do not block single
4929 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
4931 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
4932 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
4933 test with assertion.
4935 2009-01-16 Richard Guenther <rguenther@suse.de>
4937 PR tree-optimization/38835
4939 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
4940 and INT + PTR -> (INT)(PTR p+ INT) folding.
4941 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
4943 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
4946 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
4947 the subreg from a lowpart subreg if it is also casting the value.
4949 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4950 Tobias Grosser <tobi.grosser@amd.com>
4952 * graphite.c (compare_prefix_loops): New.
4953 (build_scop_canonical_schedules): Rewritten.
4954 (graphite_transform_loops): Move build_scop_canonical_schedules
4955 after build_scop_iteration_domain.
4957 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4958 Tobias Grosser <tobi.grosser@amd.com>
4960 * graphite.c (add_conditions_to_domain): Add the loops to
4961 the dimension of the iteration domain. Do copy the domain
4962 only when it exists.
4963 (build_scop_conditions_1): Do not call add_conditions_to_domain.
4964 (add_conditions_to_constraints): New.
4965 (can_generate_code_stmt, can_generate_code): Removed.
4966 (gloog): Do not call can_generate_code.
4967 (graphite_transform_loops): Call add_conditions_to_constraints
4968 after building the iteration domain.
4970 2009-01-16 Jakub Jelinek <jakub@redhat.com>
4972 PR tree-optimization/38789
4973 * tree-ssa-threadedge.c
4974 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4975 __builtin_constant_p.
4977 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
4979 * dce.c (delete_unmarked_insns): Reversed the order that insns are
4980 examined before deleting them.
4982 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
4984 * function.c (aggregate_value_p): Correctly extract the function
4985 type from CALL_EXPR_FN lookup.
4987 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4989 * config/picochip/picochip.c (picochip_override_options): Revert
4990 CFI asm flag disable commited previously.
4992 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
4993 Tobias Grosser <tobi.grosser@amd.com>
4994 Jan Sjodin <jan.sjodin@amd.com>
4996 * graphite.c (scan_tree_for_params): On substractions negate
4997 all the coefficients of the term.
4998 (clast_to_gcc_expression_red): New. Handle reduction expressions
4999 of more than two operands.
5000 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5001 (get_vdef_before_scop): Handle also the case of default definitions.
5003 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5005 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5006 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5007 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5009 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5010 Joey Ye <joey.ye@intel.com>
5013 * cfgexpand.c (expand_stack_alignment): Don't update stack
5014 boundary nor check incoming stack boundary here.
5015 (gimple_expand_cfg): Update stack boundary and check incoming
5016 stack boundary here.
5018 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5020 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5022 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5024 PR rtl-optimization/38245
5025 * calls.c (expand_call): Add stack arguments to
5026 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5027 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5028 in regs and partially in memory or BLKmode arguments.
5029 (emit_library_call_value_1): Add stack arguments to
5030 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5031 ACCUMULATE_OUTGOING_ARGS).
5032 * dce.c: Include tm_p.h.
5033 (find_call_stack_args): New function.
5034 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5036 (mark_insn): Call find_call_stack_args for CALL_Ps.
5037 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5038 forwards. Allocate and free arg_stores bitmap if needed, pass it
5039 down to deletable_insn_p, don't mark stores set in arg_stores
5040 bitmap, clear the bitmap at the beginning of each bb.
5041 * Makefile.in (dce.o): Depend on $(TM_P_H).
5043 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5046 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5047 to make sure the insn is a conditional test (bug 22599). Reformat a
5050 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5053 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5054 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5055 (gloog): Do not call cleanup_tree_cfg.
5056 (graphite_transform_loops): Call cleanup_tree_cfg after all
5057 scops have been code generated.
5059 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5060 * doc/gty.texi (Invoking the garbage collector): Added new node
5061 and section documenting ggc_collect.
5063 2009-01-14 Richard Guenther <rguenther@suse.de>
5065 PR tree-optimization/38826
5067 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5068 initialization notes only if we actually emitted a warning.
5069 (intra_create_variable_infos): Add constraints for a result decl
5070 that is passed by hidden reference.
5071 (build_pred_graph): Mark all related variables non-direct on
5074 2009-01-14 Nick Clifton <nickc@redhat.com>
5076 * ira-conflicts.c: Include addresses.h for the definition of
5078 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5079 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5081 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5084 * Makefile.in (ira-lives.o): Add except.h.
5086 * ira-lives.c: Include except.h.
5087 (process_bb_node_lives): Process can_throw_internal.
5089 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5091 PR rtl-optimization/38774
5092 * combine.c (simplify_set): When undoing cc_use change, don't do
5093 PUT_CODE on the newly created comparison, but instead put back the
5096 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5098 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5099 values. Remove duplicate arm8 entry.
5101 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5103 PR tree-optimization/38786
5104 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5105 the SSA_NAME case of expand_scalar_variables_expr.
5106 Set the type of an expression to the type of its assign statement.
5107 (expand_scalar_variables_expr): Also gather the scalar computation
5108 used to index the memory access. Do not pass loop_p.
5109 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5110 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5111 the gimple_stmt_iterator where it inserts new code.
5113 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5114 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5116 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5118 * graphite.h (debug_value): Removed.
5119 * graphite.c (debug_value): Removed.
5121 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5123 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5124 ldrd/strd with two 32-bit instructions.
5126 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5128 * config/arm/arm.c (struct processors): Pass for speed down into
5129 cost helper functions.
5130 (const_ok_for_op): Handle COMPARE and inequality nodes.
5131 (arm_rtx_costs_1): Rewrite.
5132 (arm_size_rtx_costs): Update prototype.
5133 (arm_rtx_costs): Pass speed down to helper functions.
5134 (arm_slowmul_rtx_costs): Rework cost calculations.
5135 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5136 (arm_9e_rtx_costs): Likewise.
5138 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5140 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5141 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5142 (alpha_legitimize_address): Do not split local symbols wider than
5143 UNITS_PER_WORD into HIGH/LO_SUM parts.
5145 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5148 * gcc.c (process_command): Replace call to execvp with calls
5149 to pex_one and exit.
5151 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5154 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5155 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5156 variant for devices with 3-byte PC.
5157 (__tablejump_elpm__): New.
5159 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5162 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5163 offsetof member-designator, handle it as `[0].'.
5165 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5167 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5168 function when not using named sections on targets with named sections
5169 if branch distance is less than 262132.
5171 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5173 * combine.c (combine_instructions): Recompute
5174 optimize_this_for_speed_p for each BB in the main combine loop.
5176 2009-01-12 Tomas Bily <tbily@suse.cz>
5179 * tree-loop-distribution.c (prop_phis): New function.
5180 (generate_builtin): Call prop_phis.
5181 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5183 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5185 PR tree-optimization/38807
5186 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5187 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5189 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5191 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5192 subreg of op0 to the original op0.
5194 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5196 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5198 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5201 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5202 starting with digits.
5204 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5207 * config/arm/arm.c (arm_is_long_call_p): Don't call
5208 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5210 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5212 * regrename.c (regrename_optimize): Fix dumping.
5213 (find_oldest_value_reg): Preserve REG_POINTER.
5214 (copy_hardreg_forward_1): Likewise.
5216 2009-01-09 Diego Novillo <dnovillo@google.com>
5218 * gimple.h (struct gimple_statement_base) <uid>: Document
5219 the restrictions on its use.
5221 (gimple_set_uid): Tidy.
5223 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5225 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5226 zero guard even if align_bytes != 0 and count is smaller than
5229 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5231 PR rtl-optimization/38495
5232 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5233 (add_range_and_copies_from_move_list): Print all added ranges.
5234 Add ranges to memory optimized destination.
5236 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5240 * config/i386/i386.c (override_options): Reject
5241 -mstringop-strategy=rep_8byte with -m32.
5242 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5243 to 1. Do count comparison against epilogue_size_needed at compile
5244 time even when count_exp was constant forced into register. For
5245 size_needed don't jump to epilogue, instead just avoid aligning
5246 and invoke the body algorithm. If need_zero_guard, add zero guard
5247 even if count is non-zero, but smaller than size_needed + number of
5248 bytes that could be stored for alignment.
5249 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5250 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5251 but smaller than size_needed + number of bytes that could be stored
5252 for alignment. Compare size_needed with epilogue_size_needed instead
5253 of desired_align - align, don't adjust size_needed, pass
5254 epilogue_size_needed to the epilogue expanders.
5257 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5259 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5261 * pa.c (last_address): Change to unsigned.
5262 (update_total_code_bytes): Change argument to unsigned. Don't
5263 check if insn addresses are set.
5264 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5265 addresses are not set.
5266 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5268 2009-01-09 Nick Clifton <nickc@redhat.com>
5270 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5271 DECL_DECLARED_INLINE_P.
5273 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5276 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5277 GET_MODE (op0) in operand_subword_force calls.
5280 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5281 fold_convert arg0 operands to TREE_TYPE (op0) first.
5283 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5285 * params.def (ira-max-conflict-table-size): Decrease default value
5288 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5290 PR tree-optimization/37031
5291 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5293 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5294 allocate it using gc instead of heap, use VEC_quick_push instead of
5296 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5297 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5298 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5299 allocated vector from heap allocated.
5300 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5301 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5302 vector only after perfect_loop_nest_depth call.
5304 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5305 Jan Sjodin <jan.sjodin@amd.com>
5307 PR tree-optimization/38559
5308 * graphite.c (debug_value, copy_constraint,
5309 swap_constraint_variables, scale_constraint_variable, ): New.
5310 (get_lower_bound, get_upper_bound): Removed.
5311 (graphite_trans_bb_strip_mine): Clean up this code that works
5312 only for constant number of iterations. Fully copy upper and
5313 lower bound constraints, not only the constant part of them.
5314 * graphite.h (debug_value): Declared.
5316 2009-01-08 Ira Rosen <irar@il.ibm.com>
5318 PR tree-optimization/37194
5319 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5320 Don't add the cost of cost model guard in prologue to scalar
5321 outside cost in case of known number of iterations.
5323 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5324 Alan Modra <amodra@bigpond.net.au>
5326 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5327 non-word-aligned REG+CONST addressing.
5329 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5332 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5333 free_after_compilation when outputting a thunk.
5334 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5335 Do not call free_after_compilation here.
5337 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5339 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5340 (ix86_valid_target_attribute_inner_p): Ditto.
5342 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5344 PR tree-optimization/38492
5345 PR tree-optimization/38498
5346 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5347 * tree-chrec.h (scev_is_linear_expression): Declared.
5348 * graphite.c (graphite_cannot_represent_loop_niter): New.
5349 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5350 (graphite_loop_normal_form): Use gcc_assert.
5351 (scan_tree_for_params): Use CASE_CONVERT.
5352 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5353 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5354 Use gcc_assert. Discard scops that contain unhandled cases.
5355 (build_scop_conditions): Return a boolean status for unhandled cases.
5356 (strip_mine_profitable_p): Print the loop number, not its depth.
5357 (is_interchange_valid): Pass the depth of the loop nest, don't
5358 recompute it wrongly.
5359 (graphite_trans_bb_block): Same.
5360 (graphite_trans_bb_block): Print tentative of loop blocking.
5361 (graphite_trans_scop_block): Do not print that the loop has been
5363 (graphite_transform_loops): Do not handle scops that contain condition
5366 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5368 AVX Programming Reference (December, 2008)
5369 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5370 (_mm256_stream_pd): Likewise.
5371 (_mm256_stream_ps): Likewise.
5373 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5374 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5375 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5376 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5377 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5378 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5379 (ix86_expand_special_args_builtin): Likewise.
5381 * config/i386/sse.md (AVXMODEDI): New.
5382 (avx_movnt<mode>): Likewise.
5383 (avx_movnt<mode>): Likewise.
5384 (<sse>_movnt<mode>): Remove AVX support.
5385 (sse2_movntv2di): Likewise.
5387 2009-01-07 Richard Guenther <rguenther@suse.de>
5390 * fold-const.c (extract_muldiv): Remove obsolete comment.
5391 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5392 to PLUS_EXPR canonicalization for the canonicalization.
5394 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5396 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5397 hosted cross-compilers generating less efficient code.
5399 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5401 * function.h (rtl_data): Add a dbr_scheduled_p field.
5402 * reorg.c (dbr_schedule): Set it.
5403 (gate_handle_delay_slots): Check it.
5404 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5405 (mips_reorg): Check flag_delayed_branch instead of
5406 mips_base_delayed_branch.
5407 (mips_override_options): Don't set mips_base_delayed_branch
5408 or flag_delayed_branch.
5410 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5412 PR rtl-optimization/38426.
5413 * ira.c (ira): Set current_function_is_leaf earlier.
5415 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5417 PR rtl-optimization/38722
5418 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5419 too early, only set a flag and modify after last possible
5422 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5425 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5426 * real.c (decimal_single_format): Correct values of emin and emax.
5427 (decimal_double_format): Ditto.
5428 (decimal_quad_format): Ditto.
5429 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5430 computation of DECnn_MIN and DECnn_MAX for corrected values of
5431 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5432 __DECnn_MIN__, and adjust its computation for the corrected value
5435 2009-01-06 Jan Hubicka <jh@suse.cz>
5438 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5440 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5442 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5443 Add Robert Clark to the list of testers.
5445 2009-01-06 Jan Hubicka <jh@suse.cz>
5446 Kai Tietz <kai.tietz@onevision.com>
5448 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5449 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5451 2009-01-06 Jan Hubicka <jh@suse.cz>
5452 Kai Tietz <kai.tietz@onevision.com>
5454 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5456 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5457 (ix86_nsaved_regs): Count only general purpose regs.
5458 (ix86_nsaved_sseregs): New.
5459 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5460 to 16 for w64; compute padding and size of sse reg save area.
5461 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5462 general purpose regs.
5463 (ix86_emit_save_sse_regs_using_mov): New.
5464 (ix86_expand_prologue): Save SSE regs if needed.
5465 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5466 (ix86_emit_restore_sse_regs_using_mov): New.
5467 (ix86_expand_epilogue): Save SSE regs if needed.
5469 2009-01-06 Jan Hubicka <jh@suse.cz>
5470 Kai Tietz <kai.tietz@onevision.com>
5472 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5473 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5474 functions when accumulate outgoing args is off.
5476 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5479 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5480 before using pseudos_have_intersected_live_ranges_p.
5482 * ira-int.h (ira_assert): Always define.
5484 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5486 AVX Programming Reference (December, 2008)
5487 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5488 (_mm256_permute2_pd): Likewise.
5489 (_mm_permute2_ps): Likewise.
5490 (_mm256_permute2_ps): Likewise.
5491 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5492 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5494 * config/i386/i386.c (ix86_builtins): Remove
5495 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5496 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5497 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5498 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5499 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5500 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5501 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5502 __builtin_ia32_vpermil2ps256.
5503 (ix86_init_mmx_sse_builtins): Updated.
5504 (ix86_expand_args_builtin): Likewise.
5506 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5508 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5509 long absolute calls when generating PA 2.0 code.
5511 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5513 PR rtl-optimization/38583
5514 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5516 * params.def (ira-max-conflict-table-size): New.
5518 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5520 * ira.h (ira_conflicts_p): New external definition.
5522 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5523 table. Report this. Return result of building.
5524 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5525 building conflict table.
5527 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5528 (ira_color): Use ira_conflicts_p.
5530 * global.c: Include ira.h.
5531 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5534 * Makefile.in (global.o): Add ira.h.
5536 * ira-build.c (mark_all_loops_for_removal,
5537 propagate_some_info_from_allocno): New.
5538 (remove_unnecessary_allocnos): Call
5539 propagate_some_info_from_allocno.
5540 (remove_low_level_allocnos): New.
5541 (remove_unnecessary_regions): Add parameter. Call
5542 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5543 parameter to remove_unnecessary_regions.
5544 (ira_build): Remove all regions but root if the conflict table was
5545 not built. Update conflict hard regs for allocnos crossing calls.
5547 * ira.c (ira_conflicts_p): New global.
5548 (ira): Define and use ira_conflicts_p.
5550 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5551 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5552 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5554 2009-01-06 Ben Elliston <bje@au.ibm.com>
5556 * gengtype-lex.l (YY_NO_INPUT): Define.
5558 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5561 * c-common.c (handle_vector_size_attribute): Also reject
5564 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5566 PR tree-optimization/38492
5567 * graphite.c (rename_map_elt, debug_rename_elt,
5568 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5569 rename_map_elt_info, eq_rename_map_elts,
5570 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5571 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5572 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5573 (sese_build_livein_liveouts): New.
5574 (new_sese, free_sese): New.
5575 (new_scop): Call new_sese.
5576 (free_scop): Call free_sese.
5577 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5578 (register_old_new_names): Renamed register_old_and_new_names.
5579 (register_scop_liveout_renames, add_loop_exit_phis,
5580 insert_loop_close_phis, struct igp,
5581 default_liveout_before_guard, add_guard_exit_phis,
5582 insert_guard_phis, copy_renames): New.
5583 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5584 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5585 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5586 (scop_adjust_phis_for_liveouts): New.
5587 (gloog): Call scop_adjust_phis_for_liveouts.
5589 * graphite.h (struct sese): Documented. Added fields liveout,
5591 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5592 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5593 (struct scop): Added field liveout_renames.
5594 (SCOP_LIVEOUT_RENAMES): New.
5596 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5598 PR tree-optimization/38510
5599 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5600 (translate_clast): Call recompute_all_dominators before
5602 (gloog): Call recompute_all_dominators before graphite_verify.
5604 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5605 Jan Sjodin <jan.sjodin@amd.com>
5607 PR tree-optimization/38500
5608 * graphite.c (create_sese_edges): Call fix_loop_structure after
5611 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5613 * config.gcc: Add m32r*-*-rtems*.
5614 * config/m32r/rtems.h: New file.
5616 2009-01-05 Ben Elliston <bje@au.ibm.com>
5618 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5619 (.po.pox): Likewise.
5620 (po/gcc.pot): Likewise.
5622 2009-01-04 David S. Miller <davem@davemloft.net>
5624 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5625 (STARTING_FRAME_OFFSET): Always set to zero.
5627 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5629 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5630 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5631 fixed-point types, and vectors of the same.
5633 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5635 * config/mips/sync.md (*mb_barrier): Rename to...
5636 (*memory_barrier): ...this.
5638 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5640 * doc/extend.texi (Function Attributes): Move @cindex after @item
5641 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5642 and put in alphabetical order. Fix 'target' name and put in order.
5643 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5646 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5648 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5649 (memory_barrier): Expand as unspec instead of unspec_volatile.
5650 Remove mem:BLK from insn operands. Use Pmode scratch register.
5651 (*memory_barrier): Define as unspec instead of unspec_volatile.
5652 Use (match_dup 0) as input operand.
5654 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5655 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5656 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5657 scratch register. Remove operand 1.
5658 (*stbar): Define as unspec instead of unspec_volatile.
5659 Use (match_dup 0) as input operand, remove (const_int 8).
5660 (*membar): Define as unspec instead of unspec_volatile.
5661 Use (match_dup 0) as input operand, remove input operand 2.
5663 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
5664 (memory_barrier): Expand as unspec instead of unspec_volatile.
5665 Remove mem:BLK from insn operands. Use Pmode scratch register.
5666 (*memory_barrier): Define as unspec instead of unspec_volatile.
5667 Use (match_dup 0) as input operand.
5669 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
5670 Remove mem:BLK from insn operands. Use Pmode scratch register.
5671 Set volatile flag on operand 0.
5672 (*memory_barrier): New insn pattern.
5674 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
5676 (*memory_barrier): Use (match_dup 0) as input operand.
5678 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
5679 Remove mem:BLK from insn operands. Use Pmode scratch register.
5680 Set volatile flag on operand 0.
5681 (*mb_internal): New insn pattern.
5683 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
5685 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5688 * function.c (struct temp_slot): Move to the section of the file
5689 that deals with temp slots. Remove field 'address'.
5690 (temp_slot_address_table): New hash table of address -> temp slot.
5691 (struct temp_slot_address_entry): New struct, items for the table.
5692 (temp_slot_address_compute_hash, temp_slot_address_hash,
5693 temp_slot_address_eq, insert_temp_slot_address): Support functions
5695 (find_temp_slot_from_address): Rewrite to use the new hash table.
5696 (remove_unused_temp_slot_addresses): Remove addresses of temp
5697 slots that have been made available.
5698 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
5699 worker function for remove_unused_temp_slot_addresses.
5700 (assign_stack_temp_for_type): Don't clear the temp slot address list.
5701 Add the temp slot address to the address -> temp slot map.
5702 (update_temp_slot_address): Update via insert_temp_slot_address.
5703 (free_temp_slots): Call remove_unused_temp_slot_addresses.
5704 (pop_temp_slots): Likewise.
5705 (init_temp_slots): Allocate the address -> temp slot map, or empty
5706 the map if it is already allocated.
5707 (prepare_function_start): Initialize temp slot processing.
5709 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5712 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
5713 Calculate the size of all stack vars assuming no packing of stack
5714 vars will happen, replacing a quadratic algorithm with a linear one.
5716 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5719 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
5722 2009-01-03 Diego Novillo <dnovillo@google.com>
5724 * doc/contrib.texi: Update contributions.
5726 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5729 * builtins.c (fold_builtin_memory_op): Give up if either operand
5730 is volatile. Set srctype or desttype to non-qualified version
5734 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
5737 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
5739 PR rtl-optimization/35805
5740 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
5741 problem if fast dce is able to remove any instructions.
5742 * dce.c (dce_process_block): Fix dump message.
5744 2009-01-02 Mark Mitchell <mark@codesourcery.com>
5747 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
5749 2009-01-02 Jakub Jelinek <jakub@redhat.com>
5752 * tree-flow.h (op_code_prio, op_prio): New prototypes.
5753 * tree-pretty-print.c (op_code_prio): New function.
5754 (op_prio): No longer static. Use op_code_prio.
5755 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
5756 Use op_prio and op_code_prio to determine if () should be
5757 printed around operand(s) or not.
5759 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
5760 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
5761 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
5762 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
5763 pp_character instead of pp_string for single letter printing.
5765 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5767 * doc/extend.texi: Fix '#pragma GCC option' typo.
5769 2009-01-02 Richard Guenther <rguenther@suse.de>
5771 * doc/install.texi (--enable-checking): Mention different
5773 (--enable-stage1-checking): Document.
5775 2009-01-01 Andrew Pinski <pinskia@gmail.com>
5778 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
5779 case to be an error.
5781 2009-01-02 Ben Elliston <bje@au.ibm.com>
5783 * config/fp-bit.h (pack_d): Constify argument.
5784 * config/fp-bit.c (makenan): Constify return type. Remove casts.
5785 (isnan): Constify argument.
5789 (_fpadd_parts): Constify return type.
5790 (_fpmul_parts): Likewise.
5791 (_fpdiv_parts): Likewise.
5793 2009-01-01 Jakub Jelinek <jakub@redhat.com>
5796 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
5797 warn about overwriting initializer with side-effects or
5798 -Woverride-init if !IMPLICIT.
5799 (output_init_element): Likewise. Pass IMPLICIT down to
5801 (process_init_element): Add IMPLICIT argument. Pass it down
5802 to output_init_element.
5803 (push_init_element, pop_init_level, set_designator): Adjust
5804 process_init_element callers.
5805 (set_nonincremental_init, set_nonincremental_init_from_string):
5806 Adjust add_pending_init callers.
5807 (output_pending_init_elements): Adjust output_init_element callers.
5808 * c-tree.h (process_init_element): Adjust prototype.
5809 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
5810 process_init_element callers.