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1 2009-04-06  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/28868
4         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
5         of which PHI results we inserted.
6         (insert_into_preds_of_block): Record inserted PHIs.
7         (eliminate): Eliminate redundant PHI nodes.
8         (init_pre): Init inserted_phi_names.
9
10 2009-04-06  Richard Guenther  <rguenther@suse.de>
11
12         PR tree-optimization/39643
13         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
14         IMAGPART_EXPRs of complex constants.
15         (execute_fold_all_builtins): If we folded a call queue
16         TODO_update_address_taken.
17
18 2009-04-06  Jan Hubicka  <jh@suse.cz>
19
20         PR middle-end/39659
21         * except.c (remove_unreachable_regions): Propagate may_contain_throw
22         flag.
23
24 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
25
26         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
27         delay slot.
28         (ic_invalidate_array): Likewise.
29
30 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
31
32         * calls.c (emit_library_call_value_1): Fix a problem with parameter
33         alignment for library calls.
34
35 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
36
37         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
38         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
39         * config/i386/mingw-stdint.h:  New file.
40
41 2009-04-05  Richard Guenther  <rguenther@suse.de>
42
43         PR tree-optimization/39648
44         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
45         our &A vs. &A[0] IL deficiencies.
46
47 2009-04-04  Jan Hubicka  <jh@suse.cz>
48
49         * except.c (sjlj_find_directly_reachable_regions): Be ready for
50         removed toplevel regions.
51         (sjlj_mark_call_sites): Likewise.
52
53 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
54
55         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
56         (cygwin tm clause use_gcc_stdint):  Set to wrap.
57         * config/i386/cygwin-stdint.h:  New file.
58
59 2009-04-04  Richard Guenther  <rguenther@suse.de>
60
61         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
62         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
63         single-argument PHIs if we are in loop-closed SSA form.
64         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
65         for the pre-condition.
66         (slpeel_tree_peel_loop_to_edge): Likewise.
67         (vect_build_loop_niters): Take an optional sequence to append stmts.
68         (vect_generate_tmps_on_preheader): Likewise.
69         (vect_do_peeling_for_loop_bound): Take extra guards for the
70         pre-condition.
71         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
72         the cost model check.
73         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
74         guards if we are going to peel.  Do not apply versioning in that
75         case.
76         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
77         (vect_do_peeling_for_loop_bound): Likewise.
78         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
79         loop bound only record extra pre-conditions, do not apply loop
80         versioning.
81
82 2009-04-04  Richard Guenther  <rguenther@suse.de>
83
84         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
85         renaming code.
86
87 2009-04-04  Jan Hubicka  <jh@suse.cz>
88
89         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
90         last_basic_block for size of bb->index indexed array.
91         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
92         compute_out, link_btr_uses, build_btr_def_use_webs,
93         build_btr_def_use_webs, migrate_btr_defs): Likewise.
94
95 2009-04-04  Jan Hubicka  <jh@suse.cz>
96
97         * except.c (remove_eh_handler_and_replace): Break out from ...
98         (remove_eh_handler): ... here.
99         (bring_to_root): New function.
100         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
101         handled ones, bring others to root of tree.
102
103 2009-04-04  Jan Hubicka  <jh@suse.cz>
104
105         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
106         (all_phis_safe_to_merge): New function.
107         (update_info): New structure.
108         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
109         (cleanup_empty_eh): Update SSA if possible.
110
111 2009-04-04  Richard Guenther  <rguenther@suse.de>
112
113         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
114         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
115         (append_vuse): Likewise.
116
117 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
118
119         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
120         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
121         instead of REG_UNSAVED for DW_CFA_undefined.
122         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
123         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
124         outermost frame.
125
126 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
127
128         PR target/39501
129         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
130         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
131         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
132
133 2009-04-04  Richard Guenther  <rguenther@suse.de>
134
135         PR tree-optimization/8781
136         PR tree-optimization/37892
137         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
138         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
139         (valueize_refs): Call it for *& valueizations.
140         (shared_reference_ops_from_ref): Rename to ...
141         (valueize_shared_reference_ops_from_ref): ... this and valueize.
142         (shared_reference_ops_from_call): Rename to ...
143         (valueize_shared_reference_ops_from_call): ... this and valueize.
144         (vn_reference_lookup): Update.
145         (visit_reference_op_call): Likewise.
146         * tree-ssa-pre.c (phi_translate_1): Fold *&.
147         (eliminate): Value-replace the call address in call statements.
148
149 2009-04-04  Richard Guenther  <rguenther@suse.de>
150
151         PR tree-optimization/39636
152         * tree-ssa-forwprop.c
153         (forward_propagate_addr_into_variable_array_index): Check for
154         GIMPLE_ASSIGN before accessing the rhs code.
155
156 2009-04-03  Jason Merrill  <jason@redhat.com>
157
158         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
159
160 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
161
162         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
163         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
164         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
165         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
166         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
167         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
168         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
169         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
170         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
171         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
172         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
173         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
174         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
175         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
176         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
177         Use fr_reg_or_fp01_operand instead of fr_register_operand
178
179         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
180         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
181         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
182
183 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
184
185         PR rtl-optimization/39607
186         PR rtl-optimization/39631
187         Revert
188         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
189         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
190         instead of DF_LR_OUT.
191         * ira-lives.c (process_bb_node_lives): Ditto.
192         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
193         instead of DF_LR_{OUT,IN}.
194         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
195         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
196
197 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
198
199         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
200         (execute_lower_omp): Always run but take the short way out if -fopenmp
201         is not given.
202         (gate_lower_omp): Remove, forcing the pass manager to always run the
203         pass and always set PROP_gimple_lomp.
204         (pass_lower_omp): Remove gate function.
205         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
206         PROP_trees.  Instead, require it.
207         * ipa-cp.c (pass_ipa_cp): Likewise.
208         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
209         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
210         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
211         and PROP_gimple_leh.
212
213 2009-04-03  Richard Guenther  <rguenther@suse.de>
214
215         PR middle-end/13146
216         PR tree-optimization/23940
217         PR tree-optimization/33237
218         PR middle-end/33974
219         PR middle-end/34093
220         PR tree-optimization/36201
221         PR tree-optimization/36230
222         PR tree-optimization/38049
223         PR tree-optimization/38207
224         PR tree-optimization/38230
225         PR tree-optimization/38301
226         PR tree-optimization/38585
227         PR middle-end/38895
228         PR tree-optimization/38985
229         PR tree-optimization/39299
230         * tree-ssa-structalias.h: Remove.
231         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
232         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
233         (struct vuse_element_d): Remove.
234         (struct vuse_vec_d): Likewise.
235         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
236         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
237         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
238         VUSE_ELEMENT_VAR): Likewise.
239         (struct voptype_d): Likewise.
240         (NUM_VOP_FREE_BUCKETS): Likewise.
241         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
242         (struct stmt_operands_d): Remove.
243         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
244         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
245         VDEF_NUM, VDEF_VECT): Likewise.
246         (copy_virtual_operands): Remove.
247         (operand_build_cmp): Likewise.
248         (create_ssa_artificial_load_stmt): Likewise.
249         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
250         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
251         vuse_index and mayuse_index members.  Pack and move done and iter_type
252         members to the front.
253         (SSA_OP_VMAYUSE): Remove.
254         (SSA_OP_VIRTUAL_USES): Adjust.
255         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
256         (unlink_stmt_vdef): Declare.
257         (add_to_addressable_set): Remove.
258         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
259         (vrp_visit_stmt): Likewise.
260         * doc/tree-ssa.texi (Alias analysis): Update.
261         * doc/invoke.texi (max-aliased-vops): Remove docs.
262         (avg-aliased-vops): Likewise.
263         * tree-into-ssa.c (syms_to_rename): Remove.
264         (need_to_update_vops_p): Likewise.
265         (need_to_initialize_update_ssa_p): Rename to ...
266         (update_ssa_initialized_fn): ... this.  Track function we are
267         initialized for.
268         (symbol_marked_for_renaming): Simplify.
269         (add_new_name_mapping): Do not set need_to_update_vops_p.
270         (dump_currdefs): Use SYMS_TO_RENAME.
271         (rewrite_update_stmt): Always walk all uses/defs.
272         (dump_update_ssa): Adjust.
273         (init_update_ssa): Take function argument.  Track what we are
274         initialized for.
275         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
276         (create_new_def_for): Initialize for cfun, assert we are initialized
277         for cfun.
278         (mark_sym_for_renaming): Simplify.
279         (mark_set_for_renaming): Do not initialize update-ssa.
280         (need_ssa_update_p): Simplify.  Take function argument.
281         (name_mappings_registered_p): Assert we ask for the correct function.
282         (name_registered_for_update_p): Likewise.
283         (ssa_names_to_replace): Likewise.
284         (release_ssa_name_after_update_ssa): Likewise.
285         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
286         (dump_decl_set): Do not print a newline.
287         (debug_decl_set): Do it here.
288         (dump_update_ssa): And here.
289         * tree-ssa-loop-im.c (move_computations): Adjust.
290         (movement_possibility): Likewise.
291         (determine_max_movement): Likewise.
292         (gather_mem_refs_stmt): Likewise.
293         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
294         or NAME_MEMORY_TAG.
295         * tree-complex.c (update_all_vops): Remove.
296         (expand_complex_move): Adjust.
297         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
298         Simplify test for memory referencing statement.  Exclude
299         non-invariant ADDR_EXPRs.
300         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
301         * tree-loop-distribution.c (generate_memset_zero): Adjust.
302         (rdg_flag_uses): Likewise.
303         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
304         related code.
305         (tree_optimize_tail_calls_1): Also split the
306         edge from the entry block if we have degenerate PHI nodes in
307         the first basic block.
308         * tree.c (init_ttree): Remove memory-tag related code.
309         (tree_code_size): Likewise.
310         (tree_node_structure): Likewise.
311         (build7_stat): Re-write to be build6_stat.
312         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
313         (SSA_VAR_P): Adjust.
314         (struct tree_memory_tag): Remove.
315         (struct tree_memory_partition_tag): Likewise.
316         (union tree_node): Adjust.
317         (build7): Re-write to be build6.
318         * tree-pass.h (pass_reset_cc_flags): Remove.
319         (TODO_update_address_taken): New flag.
320         (pass_simple_dse): Remove.
321         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
322         * params.h (MAX_ALIASED_VOPS): Remove.
323         (AVG_ALIASED_VOPS): Likewise.
324         * omp-low.c (expand_omp_taskreg): Update SSA form.
325         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
326         aliases the lhs in a copy stmt.
327         * tree-ssa-dse.c (struct address_walk_data): Remove.
328         (memory_ssa_name_same): Likewise.
329         (memory_address_same): Likewise.
330         (get_kill_of_stmt_lhs): Likewise.
331         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
332         unused stores.  Look through PHI nodes into post-dominated regions.
333         (dse_optimize_stmt): Simplify.  Properly remove stores.
334         (tree_ssa_dse): Compute dominators.
335         (execute_simple_dse): Remove.
336         (pass_simple_dse): Likewise.
337         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
338         gimple_loaded_syms and gimple_stored_syms computation.
339         * toplev.c (dump_memory_report): Dump alias and pta stats.
340         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
341         (vn_reference_eq): Likewise.
342         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
343         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
344         valueize_vuses): Remove.
345         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
346         (get_def_ref_stmt_vuse): ... this.
347         (vn_reference_lookup_2): New function.
348         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
349         walking equivalent vuses.  Simplify.
350         (vn_reference_lookup): Likewise.
351         (vn_reference_insert): Likewise.
352         (vn_reference_insert_pieces): Likewise.
353         (visit_reference_op_call): Simplify.
354         (visit_reference_op_load): Likewise.
355         (visit_reference_op_store): Likewise.
356         (init_scc_vn): Remove shared_lookup_vuses initialization.
357         (free_scc_vn): Remove shared_lookup_vuses freeing.
358         (sort_vuses, sort_vuses_heap): Remove.
359         (get_ref_from_reference_ops): Export.
360         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
361         vector with single vuse pointer.
362         (vn_reference_lookup_pieces, vn_reference_lookup,
363         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
364         (shared_vuses_from_stmt): Remove.
365         (get_ref_from_reference_ops): Declare.
366         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
367         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
368         memory-tag related code.
369         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
370         (likely_value): Add comment, skip static-chain of call statements.
371         (surely_varying_stmt_p): Adjust.
372         (gimplify_and_update_call_from_tree): Likewise.
373         (execute_fold_all_builtins): Do not rebuild alias info.
374         (gimplify_and_update_call_from_tree): Properly update VOPs.
375         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
376         (copy_ref_info): Remove memory-tag related code.
377         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
378         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
379         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
380         computation.
381         * tree-ssa-dom.c (gimple_p): Remove typedef.
382         (eliminate_redundant_computations): Adjust.
383         (record_equivalences_from_stmt): Likewise.
384         (avail_expr_hash): Likewise.
385         (avail_expr_eq): Likewise.
386         * tree-ssa-propagate.c (update_call_from_tree): Properly
387         update VOPs.
388         (stmt_makes_single_load): Likewise.
389         (stmt_makes_single_store): Likewise.
390         * tree-ssa-alias.c: Rewrite completely.
391         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
392         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
393         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
394         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
395         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
396         Remove public functions.
397         (pass_reset_cc_flags): Remove.
398         (pass_build_alias): Move ...
399         * tree-ssa-structalias.c (pass_build_alias): ... here.
400         * tree-ssa-alias.c (may_be_aliased): Move ...
401         * tree-flow-inline.h (may_be_aliased): ... here.
402         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
403         count_uses_and_derefs): Move ...
404         * gimple.c: ... here.
405         * gimple.h (count_uses_and_derefs): Declare.
406         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
407         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
408         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
409         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
410         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
411         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
412         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
413         New functions.
414         * tree-dfa.c (refs_may_alias_p): Move ...
415         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
416         * tree-ssa-alias.h: New file.
417         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
418         (statement_sink_location): Likewise.
419         * opts.c (decode_options): Do not adjust max-aliased-vops or
420         avg-aliased-vops values.
421         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
422         (TV_CALL_CLOBBER): Likewise.
423         (TV_FLOW_SENSITIVE): Likewise.
424         (TV_FLOW_INSENSITIVE): Likewise.
425         (TV_MEMORY_PARTITIONING): Likewise.
426         (TV_ALIAS_STMT_WALK): New timevar.
427         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
428         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
429         (get_address_description): Remove memory-tag related code.
430         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
431         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
432         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
433         and immediate uses in statements.  Document.
434         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
435         (dump_symbols): Remove.
436         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
437         * alias.c (get_deref_alias_set): New function split out from ...
438         (get_alias_set): ... here.
439         * alias.h (get_deref_alias_set): Declare.
440         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
441         type parameter.  Remove restrict pointer handling.  Create a
442         ref-all pointer in case type-based alias sets do not conflict.
443         (vect_analyze_data_refs): Remove SMT related code.
444         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
445         (vectorizable_load): Likewise.
446         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
447         (DR_SYMBOL_TAG, DR_VOPS): Remove.
448         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
449         Ignore vops and SMTs.
450         (dr_analyze_alias): Likewise..
451         (free_data_ref): Likewise.
452         (create_data_ref): Likewise.
453         (analyze_all_data_dependences): Likewise.
454         (get_references_in_stmt): Adjust.
455         * tree-flow-inline.h (gimple_aliases_computed_p,
456         gimple_addressable_vars, gimple_call_clobbered_vars,
457         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
458         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
459         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
460         gimple_mem_ref_stats): Remove.
461         (gimple_vop): New function.
462         (op_iter_next_use): Remove vuses and mayuses cases.
463         (op_iter_next_def): Remove vdefs case.
464         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
465         (clear_and_done_ssa_iter): Do not set removed fields.
466         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
467         Assert we are not iterating over vuses or vdefs if not also
468         iterating over uses or defs.
469         (op_iter_init_use): Likewise.
470         (op_iter_init_def): Likewise.
471         (op_iter_next_vdef): Remove.
472         (op_iter_next_mustdef): Likewise.
473         (op_iter_init_vdef): Likewise.
474         (compare_ssa_operands_equal): Likewise.
475         (link_use_stmts_after): Handle vuse operand.
476         (is_call_used): Use is_call_clobbered.
477         (is_call_clobbered): Global variables are always call clobbered,
478         query the call-clobbers bitmap.
479         (mark_call_clobbered): Ignore global variables.
480         (clear_call_clobbered): Likewise.
481         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
482         virtual operands sanity check.
483         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
484         Remove.
485         (TARGET_MEM_REF): Remove TMR_TAG operand.
486         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
487         Remove call-clobber related code.
488         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
489         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
490         partitions or escape reason.
491         (get_single_def_stmt, get_single_def_stmt_from_phi,
492         get_single_def_stmt_with_phi): Remove.
493         (dump_referenced_vars): Tidy.
494         (get_ref_base_and_extent): Allow bare decls.
495         (collect_dfa_stats): Adjust.
496         * graphite.c (rename_variables_in_stmt): Adjust.
497         (graphite_copy_stmts_from_block): Likewise.
498         (translate_clast): Likewise.
499         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
500         (EXPR_DIES): New.
501         (translate_vuse_through_block): Use the oracle.
502         (phi_translate_1): Adjust.
503         (value_dies_in_block_x): Use the oracle.  Cache the outcome
504         in EXPR_DIES.
505         (valid_in_sets): Check if the VUSE for
506         a REFERENCE is available.
507         (eliminate): Do not remove stmts during elimination,
508         instead queue and remove them afterwards.
509         (do_pre): Do not rebuild alias info.
510         (pass_pre): Run TODO_rebuild_alias before PRE.
511         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
512         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
513         (mark_all_v_defs_stmt): Remove.
514         (mark_all_v_defs_seq): Adjust.
515         (sra_replace): Likewise.
516         (scalarize_use): Likewise.
517         (scalarize_copy): Likewise.
518         (scalarize_init): Likewise.
519         (scalarize_ldst): Likewise.
520         (todoflags): Remove.
521         (tree_sra): Do not rebuild alias info.
522         (tree_sra_early): Adjust.
523         (pass_sra): Run TODO_update_address_taken before SRA.
524         * tree-predcom.c (set_alias_info): Remove.
525         (prepare_initializers_chain): Do not call it.
526         (mark_virtual_ops_for_renaming): Adjust.
527         (mark_virtual_ops_for_renaming_list): Remove.
528         (initialize_root_vars): Adjust.
529         (initialize_root_vars_lm): Likewise.
530         (prepare_initializers_chain): Likewise.
531         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
532         (may_propagate_copy_into_stmt): Likewise.
533         (merge_alias_info): Do nothing for now.
534         (propagate_tree_value_into_stmt): Adjust.
535         (stmt_may_generate_copy): Likewise.
536         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
537         not mark symbols for renaming.
538         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
539         with the same statement, make sure to update the new pointed-to one.
540         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
541         call statements, do not mark symbols for renaming.
542         (mark_operand_necessary): Dump something.
543         (ref_may_be_aliased): New function.
544         (mark_aliased_reaching_defs_necessary_1): New helper function.
545         (mark_aliased_reaching_defs_necessary): Likewise.
546         (mark_all_reaching_defs_necessary_1): Likewise.
547         (mark_all_reaching_defs_necessary): Likewise.
548         (propagate_necessity): Do not process virtual PHIs.  For
549         non-aliased loads mark all reaching definitions as necessary.
550         For aliased loads and stores mark the immediate dominating
551         aliased clobbers as necessary.
552         (visited): New global static.
553         (perform_tree_ssa_dce): Free visited bitmap after propagating
554         necessity.
555         (remove_dead_phis): Perform simple dead virtual PHI removal.
556         (remove_dead_stmt): Properly unlink virtual operands when
557         removing stores.
558         (eliminate_unnecessary_stmts): Schedule PHI removal after
559         stmt removal.
560         * tree-ssa-ter.c (is_replaceable_p): Adjust.
561         (process_replaceable): Likewise.
562         (find_replaceable_in_bb): Likewise.
563         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
564         based on the single gimple vop.
565         (verify_flow_insensitive_alias_info): Remove.
566         (verify_flow_sensitive_alias_info): Likewise.
567         (verify_call_clobbering): Likewise.
568         (verify_memory_partitions): Likewise.
569         (verify_alias_info): Likewise.
570         (verify_ssa): Adjust..
571         (execute_update_addresses_taken): Export.  Update SSA
572         manually.  Optimize only when optimizing.  Use a local bitmap.
573         (pass_update_address_taken): Remove TODO_update_ssa, add
574         TODO_dump_func.
575         (pass_update_address_taken): Just use TODO_update_address_taken.
576         (init_tree_ssa): Do not initialize addressable_vars.
577         (verify_ssa): Verify new VUSE / VDEF properties.
578         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
579         Do not call verify_alias_info.
580         (delete_tree_ssa): Clear the VUSE, VDEF operands.
581         Do not free the loaded and stored syms bitmaps.  Reset the escaped
582         and callused solutions.  Do not free addressable_vars.
583         Remove memory-tag related code.
584         (warn_uninitialized_var): Aliases are always available.
585         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
586         * lambda-code.c (can_put_in_inner_loop): Adjust.
587         (can_put_after_inner_loop): Likewise.
588         (perfect_nestify): Likewise.
589         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
590         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
591         (vectorizable_conversion): Do not mark symbols for renaming.
592         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
593         (expand_call_inline): Unlink the calls virtual operands before
594         replacing it.
595         (tree_function_versioning): Do not call update_ssa if we are not
596         updating clones.  Simplify.
597         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
598         (propagate_with_phi): Likewise..
599         * tree-outof-ssa.c (create_temp): Remove memory tag and call
600         clobber code.  Assert we are not aliased or global.
601         * tree-flow.h: Include tree-ssa-alias.h
602         (enum escape_type): Remove.
603         (struct mem_sym_stats_d): Likewise.
604         (struct mem_ref_stats_d): Likewise.
605         (struct gimple_df): Add vop member.  Remove global_var,
606         call_clobbered_vars, call_used_vars, addressable_vars,
607         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
608         escaped and callused members.
609         (struct ptr_info_def): Remove all members, add points-to solution
610         member pt.
611         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
612         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
613         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
614         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
615         (tree-ssa-alias.o): Likewise.
616         (toplev.o): Add tree-ssa-alias.h
617         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
618         * gimple.c (gimple_set_bb): Fix off-by-one error.
619         (is_gimple_reg): Do not handle memory tags.
620         (gimple_copy): Also copy virtual operands.
621         Delay updating the statement.  Do not reset loaded and stored syms.
622         (gimple_set_stored_syms): Remove.
623         (gimple_set_loaded_syms): Likewise.
624         (gimple_call_copy_skip_args): Copy the virtual operands
625         and mark the new statement modified.
626         * tree-ssa-structalias.c (may_alias_p): Remove.
627         (set_uids_in_ptset): Take the alias set to prune with as
628         parameter.  Fold in the alias test of may_alias_p.
629         (compute_points_to_sets): Compute whether a ptr is dereferenced
630         in a local sbitmap.
631         (process_constraint): Deal with &ANYTHING on the lhs, reject all
632         other ADDRESSOF constraints on the lhs.
633         (get_constraint_for_component_ref): Assert that we don't get
634         ADDRESSOF constraints from the base of the reference.
635         Properly generate UNKNOWN_OFFSET for DEREF if needed.
636         (struct variable_info): Remove collapsed_to member.
637         (get_varinfo_fc): Remove.
638         (new_var_info): Do not set collapsed_to.
639         (dump_constraint): Do not follow cycles.
640         (dump_constraint_graph): Likewise.
641         (build_pred_graph): Likewise.
642         (build_succ_graph): Likewise.
643         (rewrite_constraints): Likewise.
644         (do_simple_structure_copy): Remove.
645         (do_rhs_deref_structure_copy): Remove.
646         (do_lhs_deref_structure_copy): Remove.
647         (collapse_rest_of_var): Remove.
648         (do_structure_copy): Re-implement.
649         (pta_stats): New global variable.
650         (dump_pta_stats): New function.
651         (struct constraint_expr): Make offset signed.
652         (UNKNOWN_OFFSET): Define special value.
653         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
654         (solution_set_expand): New helper function split out from ...
655         (do_sd_constraint): ... here.
656         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
657         (do_ds_constraint): Likewise.
658         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
659         and CALLUSED = *CALLUSED.
660         (set_union_with_increment): Make inc argument signed.
661         (type_safe): Remove.
662         (get_constraint_for_ptr_offset): Handle unknown and negative
663         constant offsets.
664         (first_vi_for_offset): Handle offsets before start.  Bail
665         out early for offsets beyond the variable extent.
666         (first_or_preceding_vi_for_offset): New function.
667         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
668         Together with ESCAPED = *ESCAPED this properly computes reachability.
669         (find_what_var_points_to): New function.
670         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
671         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
672         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
673         pt_solutions_intersect): New functions.
674         (compute_call_used_vars): Remove.
675         (compute_may_aliases): New main entry into PTA computation.
676         * gimple.h (gimple_p): New typedef.
677         (struct gimple_statement_base): Remove references_memory_p.
678         (struct gimple_statement_with_memory_ops_base): Remove
679         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
680         members.
681         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
682         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
683         gimple_set_references_memory): Remove.
684         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
685         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
686         New functions.
687         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
688         (verify_expr): Allow RESULT_DECL.
689         (gimple_duplicate_bb): Do not copy virtual operands.
690         (gimple_duplicate_sese_region): Adjust.
691         (gimple_duplicate_sese_tail): Likewise.
692         (mark_virtual_ops_in_region): Remove.
693         (move_sese_region_to_fn): Do not call it.
694         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
695         and pass_simple_dse.
696         (execute_function_todo): Handle TODO_update_address_taken,
697         call execute_update_addresses_taken for TODO_rebuild_alias.
698         (execute_todo): Adjust.
699         (execute_one_pass): Init dump files early.
700         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
701         call-clobbered.
702         (create_general_new_stmt): Clear vops.
703         * tree-ssa-reassoc.c (get_rank): Adjust.
704         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
705         symbols for renaming.
706         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
707         (PARAM_AVG_ALIASED_VOPS): Likewise.
708         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
709         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
710         * tree-ssa-operands.c: Simplify for new virtual operand
711         representation.
712         (operand_build_cmp, copy_virtual_operands,
713         create_ssa_artificial_load_stmt, add_to_addressable_set,
714         gimple_add_to_addresses_taken): Remove public functions.
715         (unlink_stmt_vdef): New function.
716
717 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
718
719         * config.gcc (powerpc-*-linux*): Merge variants.
720
721 2009-04-02  Chao-ying Fu  <fu@mips.com>
722             James Grosbach <james.grosbach@microchip.com>
723
724         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
725         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
726         cop0_sp_offset.
727         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
728         keep_interrupts_masked_p, use_debug_exception_return_p.
729         (mips_attribute_table): Add interrupt, use_shadow_register_set,
730         keep_interrupts_masked, use_debug_exception_return.
731         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
732         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
733         New functions.
734         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
735         (mips_print_operand): Process COP0 registers to print $0 .. $31
736         correctly for GAS to process.
737         (mips_interrupt_extra_call_saved_reg_p): New function.
738         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
739         extra registers.
740         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
741         (mips_compute_frame_info): Add supports for interrupt context that
742         includes doubleword accumulators and COP0 registers.
743         (mips_for_each_saved_acc): New function.
744         (mips_for_each_saved_gpr_and_fpr): Change the function name from
745         mips_for_each_saved_reg.
746         (mips_save_reg): Save accumulators.
747         (mips_kernel_reg_p): A new for_each_rtx callback.
748         (mips_expand_prologue): Support interrupt handlers.
749         (mips_restore_reg): Restore accumulators.
750         (mips_expand_epilogue): Support interrupt handlers.
751         (mips_can_use_return_insn): Return false for interrupt handlers.
752         (mips_epilogue_uses): New function.
753         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
754         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
755         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
756         cop0_move): New instructions.
757         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
758         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
759         defines.
760         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
761         New defines.
762         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
763         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
764         interrupt handlers, we use K0 as the temporary register.
765         (EPILOGUE_USES): Change to a function call.
766         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
767         handlers, we use K0 as the temporary register.
768         
769         * doc/extend.texi (Function Attributes): Document interrupt,
770         use_shadow_register_set, keep_interrupts_masked,
771         use_debug_exception_return for MIPS attributes.
772
773 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
774
775         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
776         Remove a number of t-files from tmake_file.
777         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
778         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
779         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
780         target_prototype, not TARGET_PROTOTYPE.
781         (LINK_OS_GNU_SPEC): Define.
782         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
783         and darwin-ldoubdle.c.
784
785 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
786
787         PR driver/39293
788         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
789         (cpp_options): Ditto.
790         (default_compilers): Ditto.
791         (display_help): Ditto.
792         (process_command): Ditto.
793         (do_spec_1): Ditto.
794         (set_input): Use lbasename instead of duplicate code.
795         (save_temps_prefix): New static for -save-temps=obj.
796         (save_temps_length): Ditto.
797         
798         * doc/invoke.texi (-save-temps=obj): Document new variant to
799         -save-temps switch.
800
801 2009-04-02  Jeff Law  <law@redhat.com>
802
803         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
804         variable.
805
806 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
807
808         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
809         * configure: Regenerated.
810
811 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
812
813         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
814         share the argument list.
815
816 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
817
818         Merge
819
820         2009-02-12  Diego Novillo  <dnovillo@google.com>
821
822         * varpool.c (debug_varpool): New.
823         * cgraph.h (debug_varpool): Declare.
824
825 2009-04-02  Jan Hubicka  <jh@suse.cz>
826
827         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
828         pass.
829
830 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
831
832         * config/i386/i386.c (ix86_abi): Move initialization to ...
833         (override_options): Here.
834
835 2009-04-02  Christian Bruel  <christian.bruel@st.com>
836
837         * config/sh/sh.c (sh_dwarf_register_span): New function.
838         (TARGET_DWARF_REGISTER_SPAN): Define.
839         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
840         
841 2009-04-02  Ira Rosen  <irar@il.ibm.com>
842
843         PR tree-optimization/39595
844         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
845         interleaved loads group is not  greater than the SLP group size.
846
847 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
848
849         * builtins.c (is_builtin_name): New.
850         (called_as_built_in): Use is_builtin_name.
851         * tree.h (is_builtin_name): New.
852         * varasm.c (incorporeal_function_p): Use is_builtin_name
853
854 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
855
856         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
857
858 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
859
860         PR c++/26693
861         * c-decl.c: (clone_underlying_type): Move this ...
862         * c-common.c (set_underlying_type): ... here.
863         Also, make sure the function properly sets TYPE_STUB_DECL() on
864         the newly created typedef variant type.
865         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
866         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
867
868 2009-04-02  Richard Guenther  <rguenther@suse.de>
869
870         PR tree-optimization/37221
871         * tree-flow.h (degenerate_phi_result): Declare.
872         * tree-ssa-dom.c (degenerate_phi_result): Export.
873         * tree-scalar-evolution.c (analyze_initial_condition): If
874         the initial condition is defined by a degenerate PHI node
875         use the degenerate value.
876
877 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
878
879         PR rtl-optimization/39588
880         * combine.c (merge_outer_ops): Do not set the constant when this
881         is not necessary.
882         (simplify_shift_const_1): Do not modify it either in this case.
883
884 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
885
886         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
887         tuning is deprecated if -mtune value is set to an Itanium1 variant.
888
889 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
890
891         PR c/29027
892         * c-lex.c (interpret_float): Default (no suffix) is double.
893
894 2009-04-1  Xinliang David Li  <davidxl@google.com>
895
896         * config/i386/i386.c (legitimate_constant_p): Recognize
897         all one vector constant.
898
899 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
900
901         * gcc/config/vax/vax.c: Add #includes to silence warnings.
902         Change #include order to silence two warnings.
903
904 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
905
906         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
907         (ASM_SPEC): Pass -k to the assembler for PIC code.
908
909 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
910
911         * gcc/config.gcc: Add vax-*-linux* to the switch.
912         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
913         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
914
915 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
916
917         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
918         Use predicate macros instead of GET_CODE() == foo.
919         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
920         ashlsi3, rotrsi3, <unnamed>): Likewise.
921
922 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
923
924         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
925         jbbccihi, jbbccisi): Remova trailing whitespace.
926         * gcc/config/vax/constraints.md: Likewise.
927         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
928         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
929         * gcc/config/vax/predicates.md: Likewise.
930         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
931         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
932         * gcc/config/vax/vax.h: Likewise.
933         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
934
935 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
936
937         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
938         (indirectable_address_p, adjacent_operands_p): Add spaces around
939         braces.
940         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
941
942 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
943
944         * gcc/config/vax/vax.c (legitimate_constant_address_p,
945         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
946         index_term_p, reg_plus_index_p, legitimate_address_p,
947         vax_mode_dependent_address_p): Update comments to match functions
948         modified by the recent int->bool conversion.
949
950 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
951
952         * gcc/config/vax/builtins.md: Update copyright message.
953         * gcc/config/vax/constraints.md: Likewise.
954         * gcc/config/vax/netbsd-elf.h: Likewise.
955         * gcc/config/vax/predicates.md: Likewise.
956         * gcc/config/vax/vax-protos.h: Likewise.
957         * gcc/config/vax/vax.c: Likewise.
958         * gcc/config/vax/vax.h: Likewise.
959         * gcc/config/vax/vax.md: Likewise.
960         * gcc/config/vax/vax.opt: Likewise.
961
962 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
963
964         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
965         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
966         * gcc/config/vax/constraints.md (B, R): Likewise.
967         * gcc/config/vax/predicates.md (external_memory_operand,
968         nonimmediate_addsub_di_operand): Likewise.
969         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
970         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
971         untyped_call): Likewise.
972
973 2009-04-01      Matt Thomas <matt@3am-software.com>
974
975         * config/vax/predicates.md: New file. (symbolic_operand,
976         local_symbolic_operand, external_symbolic_operand,
977         external_const_operand, nonsymbolic_operand, external_memory_operand,
978         indirect_memory_operand, indexed_memory_operand,
979         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
980         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
981         predicate.
982         * config/vax/constraints.md: New file. (Z0, U06,  U08, U16, CN6, S08,
983         S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
984         * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
985         sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
986         sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
987         * config/vax/vax.opt (mqmath): Add option.
988         * config/vax/vax.md (isfx): Extend with DI.
989         (VAXintQH, VAXintQHSD): Define.
990         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
991         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
992         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
993         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
994         (movdi): Update constraints and use vax_output_int_move().
995         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
996         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
997         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
998         nonlocal_goto): New.
999         (mov<mode>): Extend accepted operand types.
1000         (subdi3_old): Rename from subdi3, change update constraints and use
1001         a new implementation.
1002         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1003         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1004         MOVE_RATIO, CLEAR_RATIO): Define.
1005         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1006         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1007         (PRINT_OPERAND): Redefine using a function instead of inlined code.
1008         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1009         (split_quadword_operands): Make static and really allow variable
1010         splitting.
1011         (print_operand_address): Update for PIC generation.
1012         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1013         indexable_address_p, fixup_mathdi_operand,
1014         vax_expand_addsub_di_operands, adjacent_operands_p): New.
1015         (vax_float_literal, legitimate_constant_p,
1016         indirectable_constant_address_p, index_term_p,
1017         reg_plus_index_p): Return bool instead of int.
1018         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1019         where needed.
1020         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1021         generation.
1022         (vax_output_conditional_branch): Indent.
1023         (legitimate_constant_address_p, indirectable_constant_address_p,
1024         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1025         vax_mode_dependent_address_p): Return bool instead of int, update for
1026         PIC generation.
1027         * config/vax/vax-protos.h (legitimate_constant_address_p,
1028         legitimate_constant_p, legitimate_address_p,
1029         vax_mode_dependent_address_p): Change declaration to bool.
1030         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1031         vax_expand_addsub_di_operands, vax_output_int_subtract,
1032         vax_output_movmemsi): Declare.
1033         (split_quadword_operands, vax_float_literal): Delete declaration.
1034         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1035         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1036         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1037         ASM_OUTPUT_DWARF_PCREL): Define.
1038         (ASM_SPEC): Change definition to allow PIC generation.
1039
1040 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
1041
1042         PR target/39226
1043         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1044         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1045         (booldi3_internal3): Use boolean_or_operator instead of
1046         boolean_operator.
1047
1048 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
1049
1050         PR c/39605
1051         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1052         declarator whose size is not an integer constant expression but
1053         folds to an integer constant, then treat it as a constant
1054         subsequently.
1055
1056 2009-04-01  Richard Guenther  <rguenther@suse.de>
1057
1058         * fold-const.c (fold_plusminus_mult_expr): Do not fold
1059         i * 4 + 2 to (i * 2 + 1) * 2.
1060
1061 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
1062
1063         PR c/37772
1064         * c-parser.c (c_parser_asm_statement): Skip until close paren and
1065         return if c_parser_asm_string_literal returned NULL.
1066
1067 2009-04-01  Nick Clifton  <nickc@redhat.com>
1068
1069         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1070         already defined.
1071         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1072         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
1073         other typedefs to avoid conflicts with libgcc2.c.  Define labels
1074         to gain 16-bit bit-manipulation functions from libgcc2.c and then
1075         include it.
1076         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
1077         to gain 16-bit trapping arithmetic functions from libgcc2.c and
1078         then include it.
1079
1080 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
1081
1082        * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1083
1084 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
1085             Andrey Galkin <agalkin@hypercom.com>
1086
1087         PR/39492
1088         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1089         Make object_name unique for each process.
1090
1091 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
1092
1093         PR other/39591
1094         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1095         addressable variables in the parallel that could go out of scope while
1096         running queued tasks.
1097
1098 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
1099
1100         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1101         (CASE_VALUES_THRESHOLD): Redefine.
1102         * config/avr/avr.c (avr_override_options): Remove initialization of
1103         avr_case_values_threshold variable.
1104         (avr_case_values_threshold): Remove variable. Add new function.
1105         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1106         * config/avr/avr.opt (mno-tablejump): Remove option.
1107         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1108
1109 2009-04-01  DJ Delorie  <dj@redhat.com>
1110
1111         * varasm.c (default_function_rodata_section): Don't assume
1112         anything about where the first '.' in the section name is.
1113
1114 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
1115
1116         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1117         rs6000_emit_stack_tie.
1118
1119 2009-03-31  Ian Lance Taylor  <iant@google.com>
1120
1121         * tree-eh.c (tree_remove_unreachable_handlers): Compare
1122         gimple_code with GIMPLE_RESX, not RESX.
1123
1124 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1125
1126         * c-common.c (c_get_ident): New.
1127         (c_common_nodes_and_builtins): Call it for type names that may be
1128         NULL.
1129
1130 2009-04-01  Ben Elliston  <bje@au.ibm.com>
1131
1132         * config/rs6000/sysv4.opt (msdata): Improve option description.
1133
1134 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
1135
1136         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1137         (divdf3_internal_lat): Remove.
1138         (divxf3_internal_lat): Remove.
1139         (divxf3_internal_thr): Remove.
1140         (divxf): Use divxf3_internal.
1141         * config/ia64/div.md (divsf3_internal_lat): New.
1142         (divdf3_internal_lat): New.
1143         (divxf3_internal): New.
1144
1145 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1146
1147         PR c/448
1148         * Makefile.in (USE_GCC_STDINT): Define.
1149         (stmp-int-hdrs): Install stdint.h if applicable.
1150         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1151         if known.
1152         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1153         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1154         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1155         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1156         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1157         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1158         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1159         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1160         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1161         (c_common_nodes_and_builtins): Initialize
1162         underlying_wchar_type_node.  Do not initialize
1163         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
1164         nodes for new types.
1165         (c_stddef_cpp_builtins): Define macros for new types.
1166         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1167         Remove.
1168         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1169         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1170         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1171         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1172         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1173         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1174         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1175         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1176         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1177         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1178         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1179         int16_type_node, int32_type_node, int64_type_node,
1180         uint8_type_node, uint16_type_node, c_uint32_type_node,
1181         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1182         int_least32_type_node, int_least64_type_node,
1183         uint_least8_type_node, uint_least16_type_node,
1184         uint_least32_type_node, uint_least64_type_node,
1185         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1186         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1187         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1188         uintptr_type_node): Define.
1189         * c-cppbuiltin.c (builtin_define_constants,
1190         builtin_define_type_minmax): New.
1191         (builtin_define_stdint_macros): Define more macros.
1192         (c_cpp_builtins): Define more limit macros.
1193         (type_suffix): New.
1194         (builtin_define_type_max): Define in terms of
1195         builtin_define_type_minmax.  Remove is_long parameter.  All
1196         callers changed.
1197         * config.gcc (use_gcc_stdint): Define.
1198         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1199         Add newlib-stdint.h for generic targets.
1200         * config/glibc-stdint.h, config/newlib-stdint.h,
1201         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1202         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1203         * config/score/score.h (UINTPTR_TYPE): Define.
1204         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1205         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1206         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1207         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1208         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1209         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1210         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1211         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1212         * config/spu/spu.h (STDINT_LONG32): Define.
1213         * configure.ac (use_gcc_stdint): Substitute.
1214         * configure: Regenerate.
1215         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1216         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1217         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1218         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1219         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1220         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1221         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1222         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1223         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1224         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1225         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1226         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1227         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1228         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1229         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1230         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1231         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1232         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1233         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1234         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1235         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1236         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1237         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1238         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1239         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1240         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1241         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1242         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1243         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1244
1245 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
1246
1247         * loop-iv.c (suitable_set_for_replacement): Renamed from
1248         simplify_using_assignment; changed to return bool and to accept new
1249         args DEST and SRC.  Return true iff we find a source/destination pair
1250         that can be used to make a replacement, and fill SRC and DEST if so.
1251         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
1252         changed.
1253         (simplify_using_initial_values): Deal with altered regs here and track
1254         more precisely the effect they have on the validity of our expression.
1255
1256         * loop-iv.c (simplify_using_condition): A condition of the form
1257         (EQ REG CONST) can be used to simply make a substitution.
1258         (simplify_using_initial_values): Keep track of conditions we have seen
1259         and keep using them to simplify new expressions, while applying the
1260         same substitutions to them as to the expression.
1261
1262         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1263         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1264         GEU/LTU reversed.
1265
1266         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
1267         changed.  Use this when trying to improve the upper bound.
1268         Generate the comparison by using simplify_gen_relational.
1269
1270         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1271
1272         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1273         functions.
1274         (simplify_using_assignment, simplify_using_initial_values): Call 
1275         replace_in_expr to make replacements.  Call replace_single_def_regs
1276         once on the initial version of the expression.
1277
1278 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1279
1280         PR target/27237
1281         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1282         
1283 2009-03-31  Richard Guenther  <rguenther@suse.de>
1284
1285         PR middle-end/31029
1286         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1287         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
1288
1289 2009-03-31  Richard Guenther  <rguenther@suse.de>
1290
1291         * tree.h (div_if_zero_remainder): Declare.
1292         * fold-const.c (div_if_zero_remainder): Export.
1293         * tree-ssa-forwprop.c
1294         (forward_propagate_addr_into_variable_array_index): Handle
1295         constant array index addition outside of the variable index.
1296
1297 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1298
1299         PR target/39592
1300         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1301         define_splits, floatunssi<mode>2): Require x87 conversions from
1302         DImode to be permitted.
1303
1304 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1305
1306         PR preprocessor/15638
1307         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1308
1309 2009-03-31  Richard Guenther  <rguenther@suse.de>
1310
1311         PR middle-end/23401
1312         PR middle-end/27810
1313         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1314         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1315         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1316         a separate statement.
1317         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1318         (lookup_tmp_var): Likewise.
1319         (is_gimple_formal_tmp_or_call_rhs): Remove.
1320         (is_gimple_reg_or_call_rhs): Rename to ...
1321         (is_gimple_reg_rhs_or_call): ... this.
1322         (is_gimple_mem_or_call_rhs): Rename to ...
1323         (is_gimple_mem_rhs_or_call): ... this.
1324         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
1325         DECL_GIMPLE_REG_P only if is_formal is true.
1326         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
1327         for non-proper post-modify expression gimplification.
1328         (gimplify_self_mod_expr): For post-modify expressions gimplify
1329         the lvalue to a minimal lvalue.
1330         (rhs_predicate_for): Remove formal temp case.
1331         (gimplify_modify_expr_rhs): Likewise.
1332         (gimplify_addr_expr): Use is_gimple_reg.
1333         (gimplify_expr): Remove formal temp cases.
1334         (gimple_regimplify_operands): Likewise.
1335         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1336         and FILTER_EXPR like constants.
1337         * gimple.c (walk_gimple_op): Fix val_only initialization, use
1338         is_gimple_reg.
1339         (is_gimple_formal_tmp_rhs): Remove.
1340         (is_gimple_reg_rhs): Remove special casing.
1341         (is_gimple_mem_rhs): Fix.
1342         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1343         (is_gimple_formal_tmp_var): Remove.
1344         (is_gimple_formal_tmp_reg): Likewise.
1345         (is_gimple_min_lval): Allow invariant component ref parts.
1346         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1347         is_gimple_formal_tmp_reg): Remove declarations.
1348         * tree-cfg.c (verify_expr): Verify that variables with address
1349         taken do not have DECL_GIMPLE_REG_P set.
1350         * tree-mudflap.c (mf_build_check_statement_for): Use
1351         force_gimple_operand instead of gimplify_expr.
1352
1353 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
1354
1355         * modulo-sched.c (sms_schedule_by_order): Pass the actual
1356         schedulable rows to compute_split_row.
1357
1358 2009-03-31  Ben Elliston  <bje@au.ibm.com>
1359
1360         PR target/31635
1361         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1362         OPT_mvrsave.
1363
1364 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
1365
1366         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1367         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1368         * configure: Regenerate.
1369         * config.in: Regenerate.
1370         * config/rs6000/rs6000.opt (mtls-markers): Add.
1371         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1372         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1373         (tls_ld_aix, tls_ld_sysv): Likewise.
1374         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1375         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1376
1377 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
1378
1379         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1380
1381 2009-03-30  Jan Hubicka  <jh@suse.cz>
1382
1383         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1384         out of RESX.
1385         (tree_remove_unreachable_handlers): Cleanup EH predecestor
1386         detection and label handling.
1387
1388 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1389
1390         * ira-int.h (ira_allocno): Rename left_conflicts_num to
1391         left_conflicts_size.
1392         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1393         ALLOCNO_LEFT_CONFLICTS_SIZE.
1394
1395         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1396         remove_allocno_from_bucket_and_push,
1397         allocno_spill_priority_compare, push_allocnos_to_stack,
1398         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1399         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1400         (setup_allocno_left_conflicts_num): Ditto.  Rename to
1401         setup_allocno_left_conflicts_size.
1402         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1403         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1404         setup_allocno_left_conflicts_size instead of
1405         setup_allocno_left_conflicts_num.
1406
1407         * ira-build.c (ira_create_allocno): Use
1408         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1409         ALLOCNO_LEFT_CONFLICTS_NUM.
1410                 
1411 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1412
1413         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1414         instead of DF_LR_OUT.
1415
1416         * ira-lives.c (process_bb_node_lives): Ditto.
1417
1418         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1419         instead of DF_LR_{OUT,IN}.
1420
1421         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1422
1423         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1424
1425 2009-03-30  Jan Hubicka  <jh@suse.cz>
1426
1427         * except.c (label_to_region_map): Fix thinko.
1428
1429 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
1430
1431         PR middle-end/38237
1432         * tree.h (tree_find_value): New declaration.
1433         * tree.c (tree_find_value): New function.
1434         * varasm.c (assemble_external): Avoid duplicate entries on lists.
1435
1436 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
1437
1438         PR debug/39563
1439         * c-decl.c (struct c_binding): Add locus field.
1440         (bind): Add locus argument, set locus field from it.
1441         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1442         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1443         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1444         implicitly_declare, undeclared_variable, lookup_label,
1445         declare_label, c_make_fname_decl, c_builtin_function,
1446         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1447         bind callers.
1448
1449 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
1450
1451         PR target/38781
1452         * config/i386/i386.c (classify_argument): Check total size of
1453         structure.
1454
1455 2009-03-30  Martin Jambor  <mjambor@suse.cz>
1456
1457         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1458         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1459         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1460         respectively.
1461
1462         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1463         seen_variable_array_ref while also traversing a union.
1464
1465         * tree-inline.c (optimize_inline_calls): Do not call
1466         cgraph_node_remove_callees.
1467         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1468         (pass_remove_cgraph_callee_edges): New variable.
1469         * passes.c (init_optimization_passes): Add
1470         pass_remove_cgraph_callee_edges after early inlining and before all
1471         late intraprocedural passes.
1472
1473         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1474
1475 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1476
1477         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1478         Fix typos in names.
1479
1480 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1481
1482         * combine.c (simplify_comparison): Use have_insn_for.
1483         * dojump.c (do_jump): Likewise.
1484
1485 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1486
1487         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1488         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1489         sparc_compare_op0 like sparc_compare_emitted used to be handled.
1490         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1491         instead of sparc_compare_emitted.
1492         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1493         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1494         instead of sparc_compare_emitted.
1495
1496 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1497
1498         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1499         enter/exit cfglayout mode.
1500         (pass_partition_block): Require it.
1501         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1502         (combine_instructions): Track basic blocks instead of labels.
1503         (update_cfg_for_uncondjump): New.
1504         (try_combine): Use it.  Update jumps after rescanning.
1505         (pass_combine): Require PROP_cfglayout.
1506         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1507
1508 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1509
1510         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1511         Provide/destroy PROP_cfglayout respectively.
1512         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1513         * tree-pass.h (PROP_cfglayout): New.
1514
1515 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1516
1517         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1518         fold_convert_const_fixed_from_fixed,
1519         fold_convert_const_fixed_from_int,
1520         fold_convert_const_fixed_from_real, fold_negate_const): Do not
1521         set TREE_CONSTANT_OVERFLOW.
1522         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1523         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1524
1525 2009-03-30  Ira Rosen  <irar@il.ibm.com>
1526
1527         * tree-vect-loop-manip.c: New file.
1528         * tree-vectorizer.c: Update documentation and included files.
1529         (vect_loop_location): Make extern.
1530         (rename_use_op): Move to tree-vect-loop-manip.c
1531         (rename_variables_in_bb, rename_variables_in_loop, 
1532         slpeel_update_phis_for_duplicate_loop, 
1533         slpeel_update_phi_nodes_for_guard1,
1534         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1535         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1536         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1537         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
1538         find_loop_location): Likewise.
1539         (new_stmt_vec_info): Move to tree-vect-stmts.c.
1540         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1541         get_vectype_for_scalar_type, vect_is_simple_use,
1542         supportable_widening_operation, supportable_narrowing_operation):
1543         Likewise.
1544         (bb_in_loop_p): Move to tree-vect-loop.c.
1545         (new_loop_vec_info, destroy_loop_vec_info, 
1546         reduction_code_for_scalar_code, report_vect_op, 
1547         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1548         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1549         (vect_supportable_dr_alignment): Likewise.
1550         * tree-vectorizer.h (tree-data-ref.h): Include.
1551         (vect_loop_location): Declare.
1552         Reorganize function declarations according to the new file structure.
1553         * tree-vect-loop.c: New file.
1554         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
1555         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1556         * tree-vect-data-refs.c: New file.
1557         * tree-vect-patterns.c (timevar.h): Don't include.
1558         * tree-vect-stmts.c: New file.
1559         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
1560         tree-vect-slp.c, tree-vect-loop.c.
1561         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
1562         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
1563         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1564         (tree-vect-analyze.o): Remove.
1565         (tree-vect-transform.o): Likewise.
1566         (tree-vect-data-refs.o): Add rule.
1567         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
1568         tree-vect-slp.o): Likewise.
1569         (tree-vect-patterns.o): Remove redundant dependencies.
1570         (tree-vectorizer.o): Likewise.
1571         * tree-vect-slp.c: New file.
1572
1573 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1574
1575         * optc-gen.awk: Warn if an option flag has multiple different
1576         help strings.
1577
1578 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
1579
1580         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1581         -floop-block): Document dependences on PPL, CLooG and Graphite.
1582
1583 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
1584
1585         PR rtl-optimization/323
1586         * c-common.c (c_fully_fold, convert_and_check,
1587         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1588         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1589         * c-common.def (EXCESS_PRECISION_EXPR): New.
1590         * c-cppbuiltin.c (builtin_define_float_constants): Define
1591         constants with enough digits for long double.
1592         * c-lex.c (interpret_float): Interpret constant with excess
1593         precision where appropriate.
1594         * c-opts.c (c_common_post_options): Set
1595         flag_excess_precision_cmdline.  Give an error for
1596         -fexcess-precision=standard for C++ for processors where the
1597         option is significant.
1598         * c-parser.c (c_parser_conditional_expression): Handle excess
1599         precision in condition.
1600         * c-typeck.c (convert_arguments): Handle arguments with excess
1601         precision.
1602         (build_unary_op): Move excess precision outside operation.
1603         (build_conditional_expr): Likewise.
1604         (build_compound_expr): Likewise.
1605         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1606         (build_modify_expr): Handle excess precision in RHS.
1607         (convert_for_assignment): Handle excess precision in converted
1608         value.
1609         (digest_init, output_init_element, process_init_element): Handle
1610         excess precision in initializer.
1611         (c_finish_return): Handle excess precision in return value.
1612         (build_binary_op): Handle excess precision in operands and add
1613         excess precision as needed for operation.
1614         * common.opt (-fexcess-precision=): New option.
1615         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1616         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1617         For standard excess precision, output explicit conversion to and
1618         truncation from XFmode.
1619         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1620         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1621         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1622         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1623         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1624         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1625         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1626         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1627         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1628         define_splits, sqrt<mode>2): Disable where appropriate for
1629         standard excess precision.
1630         * convert.c (convert_to_real): Do not shorten arithmetic to type
1631         for which excess precision would be used.
1632         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1633         * doc/invoke.texi (-fexcess-precision=): Document option.
1634         (-mfpmath=): Correct index entry.
1635         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1636         flag_excess_precision): New.
1637         * langhooks.c (lhd_post_options): Set
1638         flag_excess_precision_cmdline.
1639         * opts.c (common_handle_option): Handle -fexcess-precision=.
1640         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1641         init_excess_precision): New.
1642         (lang_dependent_init_target): Call init_excess_precision.
1643         * tree.c (excess_precision_type): New.
1644         * tree.h (excess_precision_type): Declare.
1645
1646 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
1647
1648         PR c/35235
1649         * c-typeck.c (build_component_ref): Do not copy qualifiers from
1650         non-lvalue to component.
1651
1652 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
1653
1654         PR preprocessor/34695
1655         * Makefile.in (c-opts.o): Depend on c-tree.h.
1656         * c-common.c: Move down include of diagnostic.h.
1657         (done_lexing, c_cpp_error): New.
1658         * c-common.h (done_lexing): Declare.
1659         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1660         (parse_in).
1661         * c-opts.c: Include c-tree.h.
1662         (c_common_init_options): Set preprocessor error callback.
1663         (c_common_handle_option): Do not set preprocessor
1664         inhibit_warnings, warnings_are_errors, warn_system_headers,
1665         pedantic_errors or inhibit_warnings flags.
1666         (c_common_post_options): Do not check cpp_errors (parse_in).
1667         (c_common_finish): Do not output dependencies if there were
1668         errors.  Do not check return value of cpp_finish.
1669         * c-ppoutput.c (pp_file_change): Set input_location.
1670         * c-tree.h (c_cpp_error): Declare.
1671         * diagnostic.c (diagnostic_set_info_translated): Also initialize
1672         override_column.
1673         (diagnostic_build_prefix): Check override_column.
1674         * diagnostic.h (diagnostic_info): Add override_column field.
1675         (diagnostic_override_column): Define.
1676
1677 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
1678
1679         * c-common.c (c_expand_expr, c_staticp): Remove.
1680         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1681         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1682         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1683         * c-gimplify.c (gimplify_compound_literal_expr,
1684         optimize_compound_literals_in_ctor): Remove.
1685         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1686         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1687         * c-semantics.c (emit_local_var): Remove.
1688
1689         * langhooks-def.h (lhd_expand_expr): Remove.
1690         * langhooks.c (lhd_expand_expr): Remove.
1691         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1692
1693         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1694         handling from c-semantics.c; don't call into langhook.
1695         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1696         * gimplify.c (gimplify_compound_literal_expr,
1697         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1698         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1699         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1700         as was done in c-gimplify.c.
1701         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1702         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1703         Move from c-common.h.
1704         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1705
1706         * tree.c (staticp): Do not call langhook.
1707         * langhooks.c (lhd_staticp): Delete.
1708         * langhooks-def.h (lhd_staticp): Delete prototype.
1709         (LANG_HOOKS_STATICP): Delete.
1710         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1711
1712         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1713         instead of DECL_STMTs.
1714
1715 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
1716
1717         PR c/456
1718         PR c/5675
1719         PR c/19976
1720         PR c/29116
1721         PR c/31871
1722         PR c/35198
1723         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1724         void_type_node.
1725         (fold_call_expr): Return a NOP_EXPR from folding rather than the
1726         contained expression.
1727         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1728         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
1729         conditional expressions for C.
1730         (decl_constant_value_for_optimization): Move from
1731         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
1732         whether optimizing and that the expression is a VAR_DECL not of
1733         array type instead of doing such checks in the caller.  Do not
1734         check pedantic.  Call gcc_unreachable for C++.
1735         * c-common.def (C_MAYBE_CONST_EXPR): New.
1736         * c-common.h (c_fully_fold, c_save_expr,
1737         decl_constant_value_for_optimization): New prototypes.
1738         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1739         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1740         EXPR_INT_CONST_OPERANDS): Define.
1741         * c-convert.c (convert): Strip nops from expression.
1742         * c-decl.c (groktypename): Take extra parameters expr and
1743         expr_const_operands.  Update call to grokdeclarator.
1744         (start_decl): Update call to grokdeclarator.  Add statement for
1745         expressions used in type of decl.
1746         (grokparm): Update call to grokdeclarator.
1747         (push_parm_decl): Update call to grokdeclarator.
1748         (build_compound_literal): Add parameter non_const and build a
1749         C_MAYBE_COSNT_EXPR if applicable.
1750         (grokdeclarator): Take extra parameters expr and
1751         expr_const_operands.  Track expressions used in declaration
1752         specifiers and declarators.  Fold array sizes and track whether
1753         they are constant expressions and whether they are integer
1754         constant expressions.
1755         (parser_xref_tag): Set expr and expr_const_operands fields in
1756         return value.
1757         (grokfield): Update call to grokdeclarator.
1758         (start_function): Update call to grokdeclarator.
1759         (build_null_declspecs): Set expr and expr_const_operands fields in
1760         return value.
1761         (declspecs_add_type): Handle expressions in typeof specifiers.
1762         * c-parser.c (c_parser_declspecs): Set expr and
1763         expr_const_operands fields for declaration specifiers.
1764         (c_parser_enum_specifier): Likewise.
1765         (c_parser_struct_or_union_specifier): Likewise.
1766         (c_parser_typeof_specifier): Likewise.  Update call to
1767         groktypename.  Fold expression as needed.  Return expressions with
1768         type instead of adding statements.
1769         (c_parser_attributes): Update calls to c_parser_expr_list.
1770         (c_parser_statement_after_labels): Fold expression before passing
1771         to objc_build_throw_stmt.
1772         (c_parser_condition): Fold expression.
1773         (c_parser_asm_operands): Fold expression.
1774         (c_parser_conditional_expression): Use c_save_expr.  Update call
1775         to build_conditional_expr.
1776         (c_parser_alignof_expression): Update call to groktypename.
1777         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1778         original_code.  Fold expression argument of va_arg.  Create
1779         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1780         argument to va_arg.  Update calls to groktypename.  Fold array
1781         index for offsetof.  Verify that first argument to
1782         __builtin_choose_expr has integer type.
1783         (c_parser_postfix_expression_after_paren_type): Update calls to
1784         groktypename and build_compound_literal.  Handle expressions with
1785         side effects in type name.
1786         (c_parser_postfix_expression_after_primary): Update call to
1787         c_parser_expr_list.  Set original_code for calls to
1788         __builtin_constant_p.
1789         (c_parser_expr_list): Take extra parameter fold_p.  Fold
1790         expressions if requested.
1791         (c_parser_objc_type_name): Update call to groktypename.
1792         (c_parser_objc_synchronized_statement): Fold expression.
1793         (c_parser_objc_receiver): Fold expression.
1794         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1795         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1796         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1797         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1798         (struct c_typespec): Add elements expr and expr_const_operands.
1799         (struct c_declspecs): Add elements expr and expr_const_operands.
1800         (groktypename, build_conditional_expr, build_compound_literal):
1801         Update prototypes.
1802         (in_late_binary_op): Declare.
1803         * c-typeck.c (note_integer_operands): New function.
1804         (in_late_binary_op): New variable.
1805         (decl_constant_value_for_broken_optimization): Move to c-common.c
1806         and rename to decl_constant_value_for_optimization.
1807         (default_function_array_conversion): Do not strip nops.
1808         (default_conversion): Do not call
1809         decl_constant_value_for_broken_optimization.
1810         (build_array_ref): Do not fold result.
1811         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
1812         result when operand is a VLA.
1813         (c_expr_sizeof_type): Update call to groktypename.  Handle
1814         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
1815         result when operand names a VLA type.
1816         (build_function_call): Update call to build_compound_literal.
1817         Only fold result for calls to __builtin_* functions.  Strip
1818         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
1819         the function designator.
1820         (convert_arguments): Fold arguments.  Update call to
1821         convert_for_assignment.
1822         (build_unary_op): Handle increment and decrement of
1823         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
1824         decrement earlier.  Fold operand of increment and decrement.
1825         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
1826         built for integer operand.  Wrap returns that are INTEGER_CSTs
1827         without being integer constant expressions or that have integer
1828         constant operands without being INTEGER_CSTs.
1829         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1830         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
1831         result is an integer constant expression or can be used in
1832         unevaluated parts of one and avoid folding and wrap as
1833         appropriate.  Fold operands before possibly doing -Wsign-compare
1834         warnings.
1835         (build_compound_expr): Wrap result for C99 if operands can be used
1836         in integer constant expressions.
1837         (build_c_cast): Update call to digest_init.  Do not ignore
1838         overflow from casting floating-point constants to integers.  Wrap
1839         results that could be confused with integer constant expressions,
1840         null pointer constants or floating-point constants.
1841         (c_cast_expr): Update call to groktypename.  Handle expressions
1842         included in type name.
1843         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
1844         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
1845         Update calls to convert_for_assignment.
1846         (convert_for_assignment): Take new parameter
1847         null_pointer_constant.  Do not strip nops or call
1848         decl_constant_value_for_broken_optimization.  Set
1849         in_late_binary_op for conversions to boolean.
1850         (store_init_value): Update call to digest_init.
1851         (digest_init): Take new parameter null_pointer_constant.  Do not
1852         call decl_constant_value_for_broken_optimization.  pedwarn for
1853         initializers not constant expressions.  Update calls to
1854         convert_for_assignment.
1855         (constructor_nonconst): New.
1856         (struct constructor_stack): Add nonconst element.
1857         (really_start_incremental_init, push_init_level, pop_init_level):
1858         Handle constructor_nonconst and nonconst element.
1859         (set_init_index): Call constant_expression_warning for array
1860         designators.
1861         (output_init_element): Fold value.  Set constructor_nonconst as
1862         applicable.  pedwarn for initializers not constant expressions.
1863         Update call to digest_init.  Call constant_expression_warning
1864         where constant initializers are required.
1865         (process_init_element): Use c_save_expr.
1866         (c_finish_goto_ptr): Fold expression.
1867         (c_finish_return): Fold return value.  Update call to
1868         convert_for_assignment.
1869         (c_start_case): Fold switch expression.
1870         (c_process_expr_stmt): Fold expression.
1871         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1872         ensure statement expression is not evaluated in constant expression.
1873         (build_binary_op): Track whether results are integer constant
1874         expressions or may occur in such, disable folding and wrap results
1875         as applicable.  Fold operands for -Wsign-compare warnings unless
1876         in_late_binary_op.
1877         (c_objc_common_truthvalue_conversion): Handle results folded to
1878         integer constants that are not integer constant expressions.
1879         * doc/extend.texi: Document when typeof operands are evaluated,
1880         that condition of __builtin_choose_expr is an integer constant
1881         expression, and more about use of __builtin_constant_p in
1882         initializers.
1883
1884 2009-03-29  Richard Guenther  <rguenther@suse.de>
1885
1886         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1887         propagate addresses of array references.
1888
1889 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1890
1891         * regmove.c (perhaps_ends_bb_p): Remove.
1892         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
1893         from INSN and check that the main loop stays within that basic block.
1894         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1895         (regmove_forward_pass): Split out from regmove_optimize.  Use
1896         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1897         (regmove_backward_pass): Split out from regmove_optimize.  Use
1898         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1899         (regmove_optimize): Simplify.
1900
1901 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1902
1903         PR target/39545
1904         * config/i386/i386.c (classify_argument): Ignore flexible array
1905         member in struct and warn ABI change.
1906
1907 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1908
1909         * config/i386/i386-protos.h (ix86_agi_dependent): New.
1910
1911         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1912         (ix86_adjust_cost): Updated.
1913
1914 2009-03-29  Jan Hubicka  <jh@suse.cz>
1915
1916         PR middle-end/28850
1917         * tree-pass.h (pass_cleanup_eh): New function.
1918         (remove_unreachable_regions): Break code handling RTL
1919         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1920         that can not be reached by runtime.
1921         (can_be_reached_by_runtime): New function.
1922         (label_to_region_map): New function.
1923         (num_eh_regions): New function.
1924         (rtl_remove_unreachable_regions): New function.
1925         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1926         (remove_eh_region): New function.
1927         * except.h: Include sbitmap and vecprim.
1928         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1929         num_eh_regions): Declare.
1930         * passes.c (init_optimization_passes): Schedule cleanup_eh.
1931         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1932         * tree-eh.c (tree_remove_unreachable_handlers): New function.
1933         (tree_empty_eh_handler_p): New function.
1934         (cleanup_empty_eh): New function.
1935         (cleanup_eh): New function.
1936         (pass_cleanup_eh): New function.
1937
1938 2009-03-29  Jan Hubicka  <jh@suse.cz>
1939
1940         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1941         for removed regions.
1942
1943 2009-03-29  Jan Hubicka  <jh@suse.cz>
1944
1945         * except.c (dump_eh_tree): Dump all datastructures.
1946
1947 2009-03-29  Jan Hubicka  <jh@suse.cz>
1948
1949         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1950         (duplicate_eh_regions_1): Likewise.
1951         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1952         vector; call EH verification.
1953         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1954         Be ready for region being removed.
1955
1956 2009-03-29  Jan Hubicka  <jh@suse.cz>
1957
1958         * bitmap.c (bitmap_last_set_bit): New function.
1959         * bitmap.h (bitmap_last_set_bit): Declare.
1960
1961 2009-03-29  David Ayers  <ayers@fsfe.org>
1962
1963         PR objc/27377
1964         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1965         by calling objc_compare_types and surpress warnings about
1966         incompatible C pointers that are compatible ObjC pointers.
1967         
1968 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
1969
1970         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1971         call initialize_inline_failed.
1972         (initialize_inline_failed): Move it from here ...
1973         * cgraph.c (initialize_inline_failed): ... to here.
1974         (cgraph_create_edge): Call initialize_inline_failed rather than
1975         setting inline_failed directly.
1976
1977 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1978
1979         PR target/32542
1980         * sysv4.opt (msdata): Improve comment.
1981         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1982         * sysv4.h (SVR4_ASM_SPEC): Likewise.
1983
1984 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1985
1986         PR target/30451
1987         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1988         load and store attributes.
1989
1990 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1991
1992         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1993         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1994         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1995         * doc/extend.texi (X86 Built-in Functions): Add index entries for
1996         __builtin_infq and __builtin_huge_valq.
1997
1998 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
1999
2000         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2001         atmega8m1 devices.
2002         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2003         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2004
2005 2009-03-28  Xinliang David Li  <davidxl@google.com>
2006
2007         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
2008         (do_dbg_cnt): New function.
2009
2010 2009-03-28  Jan Hubicka  <jh@suse.cz>
2011
2012         Merge from pretty-ipa:
2013
2014         2009-03-27  Jan Hubicka  <jh@suse.cz>
2015
2016         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2017         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2018         * passes.c (function_called_by_processed_nodes_p): New.
2019         * ipa-pure-const.c (check_call): Fix handling of operands.
2020         (analyze_function): Dump debug output for skipped bodies.
2021         (local_pure_const): Use function_called_by_processed_nodes_p.
2022         * dwarf2out.c (reference_to_unused): Use output.
2023         * passes.c (do_per_function_toporder): Likewise.
2024
2025         2008-11-12  Jan Hubicka  <jh@suse.cz>
2026
2027         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2028         * ipa-pure-const.c (funct_state_d): Add can throw field; make
2029         state_set_in_source enum
2030         (check_decl): Ignore memory tags; do not set fake looping flags;
2031         dump diagnostics.
2032         (check_operand, check_tree, check_rhs_var, check_lhs_var,
2033         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2034         (check_call, analyze_function): Rewrite.
2035         (check_stmt): New.
2036         (add_new_function): Update call of analyze_function.
2037         (generate_summary): Add call of analyze_function.
2038         (propagate): Propagate can_throw; handle state_set_in_source correctly.
2039         (local_pure_const): New function.
2040         (pass_local_pure_const): New pass.
2041         * ipa-inline.c (inline_transform): Set after_inlining.
2042         * tree-eh.c (stmt_can_throw_external): New.
2043         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2044         work with aliasing built.
2045         * tree-flow.h (stmt_can_throw_external): New.
2046         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2047         and local pure/const pass in early and late optimization queue.
2048
2049 2009-03-28  Martin Jambor  <mjambor@suse.cz>
2050
2051         * fold-const.c (get_pointer_modulus_and_residue): New parameter
2052         allow_func_align.
2053         (fold_binary): Allow function decl aligment consideration is the
2054         second argument is integer constant one.
2055         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2056         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2057         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2058
2059 2009-03-28  Jan Hubicka  <jh@suse.cz>
2060
2061         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2062         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2063         * function.h (rtl_data): Add nothrow flag.
2064         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2065         set DECL_NOTHROW for AVAILABLE functions.
2066
2067 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
2068
2069         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2070         following vector keyword has expansion starting with pixel or bool
2071         keyword, expand vector to __vector and pixel or bool to __pixel or
2072         __bool.
2073
2074         PR c++/39554
2075         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2076         warn_if_disallowed_function_p): Removed.
2077         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2078         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2079         warning_if_disallowed_function_p.
2080         * flags.h (warn_if_disallowed_function_p,
2081         warn_disallowed_functions): Removed.
2082         * common.opt (Wdisallowed-function-list=): Removed.
2083         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2084
2085 2009-03-28  Richard Guenther  <rguenther@suse.de>
2086
2087         PR tree-optimization/38723
2088         * tree-ssa-pre.c (compute_avail): Add all default definitions to
2089         the entry block.
2090
2091 2009-03-28  Jan Hubicka  <jh@suse.cz>
2092
2093         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2094         test introduced by my previous patch.
2095
2096 2009-03-28  Richard Guenther  <rguenther@suse.de>
2097
2098         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2099         the PHIs value undefined.
2100
2101 2009-03-28  Jan Hubicka  <jh@suse.cz>
2102
2103         * tree-pass.h (pass_fixup_cfg): New pass.
2104         * ipa-inline.c (inline_transform): Set
2105         always_inline_functions_inlined/after_inlining.
2106         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2107         (pass_fixup_cfg): New pass.
2108         * passes.c (init_optimization_passes): Add fixup_cfg.
2109
2110 2009-03-28  Richard Guenther  <rguenther@suse.de>
2111
2112         PR tree-optimization/38458
2113         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2114         argument use the arguments copy-of value.
2115
2116 2009-03-28  Richard Guenther  <rguenther@suse.de>
2117
2118         PR tree-optimization/38180
2119         * tree-ssa-ccp.c (get_default_value): Simplify.
2120         (likely_value): Likewise.
2121         (surely_varying_stmt_p): Properly handle VOP case.
2122         (ccp_initialize): Likewise.
2123         (ccp_fold): Handle propagating through *&.
2124         (fold_const_aggregate_ref): Also handle decls.
2125
2126 2009-03-28  Jan Hubicka  <jh@suse.cz>
2127
2128         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2129         * cgraph.h (cgraph_node): Likewise.
2130         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2131         (cgraph_reset_node): Use process flag.
2132         (cgraph_mark_functions_to_output): Likewise.
2133         (cgraph_expand_function): Likewise.
2134         (cgraph_expand_all_functions): Likewise.
2135         (cgraph_output_in_order): Likewise.
2136         * dwarf2out.c (reference_to_unused): Likewise.
2137         * passes.c do_per_function_toporder): Likewise.
2138
2139 2009-03-28  Jan Hubicka  <jh@suse.cz>
2140
2141         Bring from lto-branch:
2142
2143         2008-09-03  Doug Kwan  <dougkwan@google.com>
2144
2145         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2146         enums instead of reason strings.
2147         * cgraph.c (cgraph_create_edge): Same.
2148         (cgraph_inline_failed_string): New function.
2149         * cgraph.h (cgraph_inline_failed_t): New enum type.
2150         (cgraph_inline_failed_string): New prototype.
2151         (struct cgraph_edge): Change type of INLINED_FAILED from constant
2152         char pointer to cgraph_inline_failed_t.
2153         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2154         (cgraph_default_inline_p): Ditto.
2155         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2156         to cgraph_inline_failed_t pointer.
2157         * cif-code.def: New file.
2158         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2159         reason string.
2160         (cgraph_check_inline_limits): Change type of REASON to pointer to
2161         cgraph_inline_failed_t.  Replace reason strings with enums.
2162         (cgraph_default_inline_p): Ditto.
2163         (cgraph_recursive_inlining_p): Ditto.
2164         (update_caller_keys): Change type of FAILED_REASON to
2165         cgraph_inline_failed_t.
2166         (cgraph_set_inline_failed): Change type of REASON to pointer to
2167         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
2168         convert enums to strings for text output.
2169         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2170         to be of type cgraph_inline_failed_t.  Replace reason strings with
2171         enums.  Call cgraph_inline_failed_string to covert enums
2172         to strings for text output.
2173         (cgraph_decide_inlining): Replace reason strings with enums.
2174         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2175         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
2176         for text output.
2177         * tree-inline.c (expand_call_inline): Change type of REASON
2178         to cgraph_inline_failed_t.  Replace reason strings with enums.
2179         Call cgraph_inline_failed_string for text output.
2180         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2181         (cgraph.o): Ditto.
2182
2183 2009-03-28  Jan Hubicka  <jh@suse.cz>
2184
2185         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2186         cgraph_clone_node): Remove master clone handling.
2187         (cgraph_is_master_clone, cgraph_master_clone): Remove.
2188         * cgraph.h (master_clone): Remove.
2189         (cgraph_is_master_clone, cgraph_master_clone): Remove.
2190         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2191         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2192
2193 2009-03-28  Jan Hubicka  <jh@suse.cz>
2194
2195         * cgraph.c (cgraph_function_body_availability): Functions declared
2196         inline are always safe to assume that it is not going to be replaced.
2197
2198 2009-03-28  Richard Guenther  <rguenther@suse.de>
2199
2200         PR tree-optimization/38513
2201         * tree-ssa-pre.c (eliminate): Remove redundant stores.
2202         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2203         EXC_PTR_EXPR and FILTER_EXPR.
2204         (get_ref_from_reference_ops): Likewise.
2205
2206 2009-03-28  Richard Guenther  <rguenther@suse.de>
2207
2208         PR tree-optimization/38968
2209         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2210         Use FLOOR_MOD_EXPR to compute misalignment.
2211
2212 2009-03-28  Richard Guenther  <rguenther@suse.de>
2213
2214         PR tree-optimization/37795
2215         * tree.h (combine_comparisons): Declare.
2216         * fold-const.c (combine_comparisons): Export.
2217         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2218         comparisons.
2219         (ifcombine_iforif): Use combine_comparisons.
2220
2221 2009-03-28  Jan Hubicka  <jh@suse.cz>
2222
2223         * tree-eh.c (inlinable_call_p): New function.
2224         (make_eh_edges): Use it.
2225         (verify_eh_edges): Use it.
2226         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2227         * except.c (reachable_next_level): Add inlinable_function argument
2228         (sjlj_find_directly_reachable_regions): Update.
2229         (add_reachable_handler): Do not set saw_any_handlers.
2230         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2231         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2232         Add new inlinable call parameter.
2233         (can_throw_internal, can_throw_external): Update.
2234         * except.h (can_throw_internal_1, can_throw_external_1,
2235         foreach_reachable_handler): Update declaration.
2236
2237 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
2238
2239         * config/arm/t-arm-coff, config/h8300/coff.h,
2240         config/i386/i386-aout.h, config/i386/i386-coff.h,
2241         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2242         config/pdp11/2bsd.h, config/rs6000/aix41.h,
2243         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2244         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2245         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2246         sys-types.h: Remove.
2247         * Makefile.in: Remove protoize and fixproto support and references
2248         in comments.
2249         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2250         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2251         Remove.
2252         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2253         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2254         unprotoize$(exeext).
2255         (rest.encap): Don't depend on $(STMP_FIXPROTO)
2256         (.PHONY): Don't depend on proto.
2257         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2258         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2259         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2260         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2261         build/gen-protos.o, build/scan.o, xsys-protos.h,
2262         build/fix-header$(build_exeext), build/fix-header.o,
2263         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2264         stmp-install-fixproto): Remove.
2265         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2266         SYSCALLS.c or fixproto files.
2267         (install-common): Don't install protoize.
2268         (install-headers-tar, install-headers-cpio, install-headers-cp):
2269         Don't depend on $(STMP_FIXPROTO).
2270         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
2271         install fixproto files or write out fixproto settings.
2272         (uninstall): Don't uninstall protoize.
2273         * config.gcc (use_fixproto): Remove.
2274         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2275         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2276         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2277         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2278         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2279         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2280         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2281         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2282         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2283         * config/t-vxworks (STMP_FIXPROTO): Remove.
2284         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2285         STMP_FIXPROTO): Remove.
2286         * config.in, configure: Regenerate.
2287         * crtstuff.c (gid_t, uid_t): Don't undefine.
2288         * doc/install.texi: Change m68k-coff to m68k-elf in example.
2289         (arm-*-coff, arm-*-aout: Remove target entries.
2290         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2291         Remove mention of AIX 4.1.
2292         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2293         * doc/invoke.texi (Running Protoize): Remove.
2294         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2295         (Protoize Caveats): Remove.
2296         * tsystem.h: Update comments on headers assumed to exist.
2297
2298 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
2299
2300         * genautomata.c: Add a new year to the copyright.  Add a new
2301         reference.
2302         (struct insn_reserv_decl): Add comments for member bypass_list.
2303         (find_bypass): Remove.
2304         (insert_bypass): New.
2305         (process_decls): Use insert_bypass.
2306         (output_internal_insn_latency_func): Output all bypasses with the
2307         same input insn in one switch case.
2308
2309         * rtl.def (define_bypass): Describe bypass choice.
2310         * doc/md.texi (define_bypass): Ditto.
2311
2312 2009-03-27  Richard Guenther  <rguenther@suse.de>
2313
2314         * gimplify.c (mark_addressable): Export.
2315         * tree-flow.h (mark_addressable): Declare.
2316         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2317         * tree-ssa.c (verify_phi_args): Verify that address taken
2318         variables have TREE_ADDRESSABLE set.
2319
2320 2009-03-27  Richard Guenther  <rguenther@suse.de>
2321
2322         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2323         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
2324         Do not mark decls TREE_ADDRESSABLE.
2325         (build_fold_addr_expr): Adjust.
2326         (fold_addr_expr): Remove.
2327         (fold_unary): Use build_fold_addr_expr.
2328         (fold_comparison): Likewise.
2329         (split_address_to_core_and_offset): Likewise.
2330         * coverage.c (tree_coverage_counter_addr): Mark the array decl
2331         TREE_ADDRESSABLE.
2332         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2333         (gimplify_modify_expr_to_memcpy): Mark source and destination
2334         addressable.
2335         * omp-low.c (create_omp_child_function): Mark the object decl
2336         TREE_ADDRESSABLE.
2337         (lower_rec_input_clauses): Mark the var we take the address of
2338         TREE_ADDRESSABLE.
2339         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2340
2341 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2342
2343         PR middle-end/39315
2344         * cfgexpand.c (expand_one_stack_var_at): Change alignment
2345         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2346
2347 2009-03-27  Richard Guenther  <rguenther@suse.de>
2348
2349         PR tree-optimization/39120
2350         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2351         constraints.
2352         (handle_lhs_call): Process return constraints.  Add escape
2353         constraints if necessary.
2354         (handle_const_call): Fill out return constraints.  Make nested
2355         case more precise.  Avoid consttmp if possible.
2356         (handle_pure_call): Fill out return constraints.  Avoid
2357         callused if possible.
2358         (find_func_aliases): Simplify call handling.
2359
2360 2009-03-27  Richard Guenther  <rguenther@suse.de>
2361
2362         PR tree-optimization/39120
2363         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2364         as a representative.
2365         (solve_graph): Do propagate CALLUSED.
2366         (handle_pure_call): Use a scalar constraint from CALLUSED for
2367         the return value.
2368         (find_what_p_points_to): CALLUSED shall not appear in poins-to
2369         solutions.
2370
2371 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2372
2373         PR c/39323
2374         * c-common.c (handle_aligned_attribute): Properly check alignment
2375         overflow.  Use (1U << i) instead of (1 << i).
2376
2377         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2378
2379         * expr.h (get_mem_align_offset): Updated.
2380
2381         * tree.h (tree_decl_common): Change align to "unsigned int" and
2382         move it before pointer_alias_set.
2383
2384 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2385             Jakub Jelinek  <jakub@redhat.com>
2386
2387         PR target/38034
2388         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2389         gr_register_operand with gr_reg_or_0_operand.
2390         (cmpxchg_rel_di): Likewise.
2391         (sync_lock_test_and_set<mode>): Likewise.
2392
2393 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2394
2395         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2396         (true_regnum): Likewise.
2397
2398         * rtlanal.c (subreg_info): Moved to ...
2399         * rtl.h (subreg_info): Here.  New.
2400         (subreg_get_info): New.
2401
2402         * rtlanal.c (subreg_get_info): Make it extern.
2403
2404 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2405
2406         PR target/39472
2407         * config/i386/i386.c (ix86_abi): New.
2408         (override_options): Handle -mabi=.
2409         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2410         (ix86_call_abi_override): Likewise.
2411         (init_cumulative_args): Likewise.
2412         (function_arg_advance): Likewise.
2413         (function_arg_64): Likewise.
2414         (function_arg): Likewise.
2415         (ix86_pass_by_reference): Likewise.
2416         (ix86_function_value_regno_p): Likewise.
2417         (ix86_build_builtin_va_list_abi): Likewise.
2418         (setup_incoming_varargs_64): Likewise.
2419         (is_va_list_char_pointer): Likewise.
2420         (ix86_init_machine_status): Likewise.
2421         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2422         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
2423         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
2424         (ix86_function_abi): Make it static and return enum calling_abi.
2425         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
2426         with ix86_abi.
2427         (ix86_fn_abi_va_list): Updated.
2428
2429         * config/i386/i386.h (ix86_abi): New.
2430         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2431         (CONDITIONAL_REGISTER_USAGE): Likewise.
2432         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2433         (machine_function): Likewise.
2434
2435         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2436         with ix86_abi.
2437         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2438         (STACK_BOUNDARY): Likewise.
2439         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2440
2441         * config/i386/i386.opt (mabi=): New.
2442
2443         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2444         return enum calling_abi.
2445         (ix86_function_type_abi): Likewise.
2446         (ix86_function_abi): Removed.
2447
2448         * doc/invoke.texi: Document -mabi= option for x86.
2449
2450 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2451
2452         * builtins.c (real_dconstp): Delete.
2453         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2454
2455 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
2456             Jakub Jelinek  <jakub@redhat.com>
2457
2458         PR debug/37959
2459         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2460         (gen_subprogram_die): When a function is explicit, generate the
2461         DW_AT_explicit attribute.
2462         * langhooks.h (struct lang_hooks_for_decls): Add
2463         function_decl_explicit_p langhook.
2464         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2465         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2466
2467 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
2468
2469         * builtins.c (fold_builtin_memory_op): Optimize memmove
2470         into memcpy if we can prove source and destination don't overlap.
2471
2472         * tree-inline.c: Include gt-tree-inline.h.
2473         (clone_fn_id_num): New variable.
2474         (clone_function_name): New function.
2475         (tree_function_versioning): Use it.
2476         * Makefile.in (GTFILES): Add tree-inline.c.
2477
2478 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
2479
2480         * BASE-VER: Change to 4.5.0.
2481
2482 2009-03-27  Xinliang David Li  <davidxl@google.com>
2483
2484         PR tree-optimization/39557
2485         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2486
2487 2009-03-27  Xinliang David Li  <davidxl@google.com>
2488
2489         PR tree-optimization/39548
2490         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
2491         candidate check.
2492
2493 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2494
2495         * c-common.c (pointer_int_sum): Use %wd on return from
2496         tree_low_cst.
2497
2498 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2499
2500         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2501         on return from tree_low_cst.
2502
2503 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2504
2505         PR c++/36799
2506         * ginclude/stdarg.h (va_copy): Define also for
2507         __GXX_EXPERIMENTAL_CXX0X__.
2508
2509 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2510
2511         PR c++/35652
2512         * builtins.h (c_strlen): Do not warn here.
2513         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2514         * c-common.c (pointer_int_sum): Take an explicit location.
2515         Warn about offsets out of bounds.
2516         * c-common.h (pointer_int_sum): Adjust declaration.
2517
2518 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2519
2520         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2521         markup glitch.
2522
2523 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
2524
2525         PR c++/39554
2526         * opts.c (warn_if_disallowed_function_p): Don't assume
2527         get_callee_fndecl must return non-NULL.
2528
2529 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
2530
2531         PR rtl-optimization/39522
2532         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2533         when reg_reloaded_valid is set.
2534
2535 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2536
2537         * config/spu/divv2df3.c: New file.
2538         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2539         (DPBIT_FUNCS): Filter out _div_df.
2540
2541 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2542
2543         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2544         a jump insn, count that jump in the distance to the loop start.
2545
2546 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2547
2548         PR target/39523
2549         * config/sh/sh.c (calc_live_regs): Fix condition for global
2550         registers except PIC_OFFSET_TABLE_REGNUM.
2551
2552 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
2553
2554         PR/39518
2555         * doc/invoke.texi (-mconsole): New.
2556         (-mcygwin): New.
2557         (-mno-cygwin): New.
2558         (-mdll): New.
2559         (-mnop-fun-dllimport): New.
2560         (-mthread): New.
2561         (-mwin32): New.
2562         (-mwindows): New.
2563         (sub section "i386 and x86-64 Windows Options"): New.
2564
2565 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2566
2567         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2568         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2569
2570 2009-03-25  Richard Guenther  <rguenther@suse.de>
2571
2572         PR middle-end/39497
2573         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2574         of -Wno-error.
2575
2576 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
2577
2578         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2579         neither of haifa/selective schedulers are working.
2580
2581 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2582
2583         * doc/invoke.texi (Debugging Options): Fix description of
2584         -fno-merge-debug-strings.
2585
2586 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
2587
2588         * config/cris/libgcc.ver: New version-script.
2589         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2590
2591         * configure.ac <GAS features, nop mnemonic>: Add pattern
2592         crisv32-*-* for "nop".
2593         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2594         * configure: Regenerate.
2595
2596 2009-03-24  Ira Rosen  <irar@il.ibm.com>
2597
2598         PR tree-optimization/39529
2599         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2600         mark_sym_for_renaming for the tag copied to the new vector
2601         pointer.
2602
2603 2009-03-24  Arthur Loiret  <aloiret@debian.org>
2604
2605         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2606         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2607         EXTRA_SPEC_FUNCTIONS.
2608         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2609         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2610         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2611         -march and -mtune options.
2612
2613 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2614
2615         * config/m68k/t-rtems: Add m5329 multilib.
2616
2617 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
2618             Jakub Jelinek  <jakub@redhat.com>
2619
2620         PR debug/39524
2621         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2622         nodes.
2623
2624 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
2625
2626         PR c/39495
2627         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2628         instead of c_parser_expression_conv, if original_code isn't one of the
2629         4 allowed comparison codes, fail.
2630
2631 2009-03-23  Richard Guenther  <rguenther@suse.de>
2632
2633         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2634         * tree.h (struct tree_type): Likewise.
2635         * reload.h (struct insn_chain): Likewise.
2636         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2637         * function.h (struct function): Likewise.
2638         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2639
2640 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
2641
2642         PR tree-optimization/39516
2643         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2644
2645 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
2646
2647         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
2648         should be set true if BITS_PER_WORD of target is bigger than 32
2649
2650 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
2651
2652         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2653         Translate -B-options to -rpath-link.  Correct existing
2654         rpath-link and conditionalize on !nostdlib.
2655
2656 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2657
2658         * doc/extend.texi (Function Attributes, Variable Attributes):
2659         Fix typos.
2660         * doc/invoke.texi (Debugging Options, Optimize Options)
2661         (i386 and x86-64 Options, MCore Options): Likewise.
2662
2663 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
2664
2665         PR debug/37890
2666         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2667         it for block local namespace aliases.
2668         (gen_decl_die): Pass context_die to gen_namespace_die.
2669
2670 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
2671
2672         PR c/39495
2673         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2674         minimum or maximum value.
2675
2676 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
2677
2678         * reginfo.c (globalize_reg): Recompute derived reg sets.
2679
2680 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
2681
2682         PR target/39063
2683         * libgcc2.c (mprotect): Do not use signed arguments for
2684         VirtualProtect, use DWORD arguments.  Also fix the 'may
2685         be used uninitialized' warning for the np variable.
2686
2687 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
2688
2689         PR target/39496
2690         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2691         functions using regparm calling conventions when not optimizing.
2692         (ix86_function_sseregparm): Similarly for sseregparm calling
2693         conventions.
2694
2695 2009-03-19  Li Feng  <nemokingdom@gmail.com>
2696
2697         PR middle-end/39500
2698         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2699         dependence if the first conflict is after niter iterations.
2700
2701 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
2702
2703         PR middle-end/38609
2704         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2705         functions with dynamic stack-pointer adjustments.
2706
2707 2009-03-19  Ben Elliston  <bje@au.ibm.com>
2708
2709         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2710         option; change to -msdata=data.
2711
2712 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2713
2714         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2715         and -fopenmp.
2716
2717 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
2718
2719         PR target/35180
2720         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2721
2722 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
2723
2724         * doc/invoke.texi (Code Gen Options): Expand discussion of
2725         -fno-common.
2726
2727 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
2728
2729         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2730         * matrix-reorg.c (struct matrix_info): Likewise.
2731         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2732         * rtl.h (struct mem_attrs): Likewise.
2733         * df.h (struct df): Likewise.
2734         * tree-data-ref.h (struct data_dependence_relation): Likewise.
2735         * ira-int.h (struct ira_allocno): Likewise.
2736         * df-scan.c (struct df_collection_rec): Likewise.
2737         * ira.c (struct equivalence): Likewise.
2738         * function.c (struct temp_slot): Likewise.
2739         * cfgloop.h (struct loop): Likewise.
2740
2741         PR debug/39485
2742         * function.c (use_register_for_decl): When not optimizing, disregard
2743         register keyword for variables with types containing methods.
2744
2745 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
2746
2747         PR middle-end/39447
2748         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2749         (is_simple_operand): Call contains_component_ref_p before calling data
2750         reference analysis that would fail on COMPONENT_REFs.
2751
2752         * tree-vrp.c (search_for_addr_array): Fix formatting.
2753
2754 2009-03-18  Richard Guenther  <rguenther@suse.de>
2755
2756         * tree-vect-transform.c (vect_loop_versioning): Fold the
2757         generated comparisons.
2758         * tree-vectorizer.c (set_prologue_iterations): Likewise.
2759         (slpeel_tree_peel_loop_to_edge): Likewise.
2760
2761 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2762
2763         PR middle-end/37805
2764         * opts.c (print_specific_help): In addition to `undocumented',
2765         accept `separate' and `joined' flags if passed alone.  Describe
2766         output by the first matched one of those.
2767         (common_handle_option): Skip over empty strings.
2768         * gcc.c (display_help): Fix help string for `--help='.
2769         * doc/invoke.texi (Option Summary, Overall Options): With
2770         `--help=', classes and qualifiers can both be repeated, but
2771         only the latter can be negated.  One should not pass only
2772         negated qualifiers.  Fix markup and examples.
2773
2774         Revert
2775         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
2776         PR middle-end/37805
2777         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2778         and -fhelp=separate.
2779
2780 2009-03-17  Jing Yu  <jingyu@google.com>
2781
2782         PR middle-end/39378
2783         * function.h (struct rtl_data): Move is_thunk from here...
2784         (struct function): ...to here.
2785         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2786         * varasm.c (assemble_start_function): Change is_thunk from crtl to
2787         cfun.
2788         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2789         cfun.
2790         (alpha_does_function_need_gp, alpha_start_function): Likewise.
2791         (alpha_output_function_end_prologue): Likewise.
2792         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2793         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2794         (rs6000_output_function_epilogue): Likewise.
2795         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2796
2797 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
2798
2799         PR target/39482
2800         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2801         from different units in a single alternative.
2802         (*truncdfsf_i387): Ditto.
2803         (*truncxfsf2_mixed): Ditto.
2804         (*truncxfdf2_mixed): Ditto.
2805
2806 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
2807
2808         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2809         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2810
2811         PR debug/39474
2812         * tree-ssa-live.c (remove_unused_locals): Don't remove local
2813         unused non-artificial variables when not optimizing.
2814
2815         PR debug/39471
2816         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2817         DW_TAG_imported_module even if decl is IMPORTED_DECL with
2818         NAMESPACE_DECL in its DECL_INITIAL.
2819
2820         PR middle-end/39443
2821         * optabs.c (set_user_assembler_libfunc): New function.
2822         * expr.h (set_user_assembler_libfunc): New prototype.
2823         * c-common.c: Include libfuncs.h.
2824         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2825         for memcmp, memset, memcpy, memmove and abort.
2826         * Makefile.in (c-common.o): Depend on libfuncs.h.
2827
2828         PR debug/39412
2829         * dwarf2out.c (gen_inlined_enumeration_type_die,
2830         gen_inlined_structure_type_die, gen_inlined_union_type_die,
2831         gen_tagged_type_instantiation_die): Removed.
2832         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2833         do nothing.
2834
2835 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
2836
2837         PR testsuite/38526
2838         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2839         its use.
2840         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2841         (check-parallel-%): Ditto.
2842         (check-consistency): Ditto.
2843
2844 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
2845
2846         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2847         local variable rhs by NULL_TREE.
2848
2849 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2850
2851         PR target/39477
2852         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2853
2854 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2855
2856         PR target/39476
2857         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2858
2859 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2860
2861         PR target/39473
2862         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2863         for ms->sysv ABI calls only in 64bit mode.
2864
2865         * config/i386/i386.md (untyped_call): Support 32bit.
2866
2867 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
2868
2869         * doc/extend.texi: Replace x86_65 with x86_64.
2870
2871 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
2872
2873         PR tree-optimization/39455
2874         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2875         mismatches for POINTER_TYPE_P (type).
2876         (number_of_iterations_le): Likewise.
2877
2878 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
2879
2880         * config/picochip/picochip.c: Removed profiling support.
2881         * config/picochip/picochip.md: Removed profiling instruction.
2882         * config/picochip/picochip.h: Removed profiling builtin.
2883
2884 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
2885
2886         * doc/install.texi (--with-host-libstdcxx): Document.
2887
2888 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
2889
2890         PR target/34299
2891         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2892         generate a warning if the function name does not begin with
2893         "__vector" and the function has either the 'signal' or 'interrupt'
2894         attribute, from here to ...
2895         (avr_declare_function_name): ...here. New function.
2896         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2897         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2898
2899 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
2900
2901         PR bootstrap/39454
2902         * cse.c (fold_rtx): Don't modify original const_arg1 when
2903         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2904         separate variable instead.
2905         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2906         from out of range shift counts.
2907         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2908
2909 2008-03-13  Catherine Moore  <clm@codesourcery.com>
2910
2911         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2912         diagnostic.h with $(DIAGNOSTIC_H).
2913
2914 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2915
2916         PR target/39431
2917         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2918         predicate.
2919         * config/i386/sync.md (sync_compare_and_swap<mode>,
2920         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2921         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2922         into a register.
2923         (sync_double_compare_and_swapdi_pic,
2924         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2925         cmpxchg8b_pic_memory_operand instead of just memory_operand.
2926
2927 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2928
2929         PR target/39445
2930         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2931
2932 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2933
2934         PR target/39327
2935         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2936         (avx_addsubv4df3): Likewise.
2937         (*avx_addsubv4sf3): Likewise.
2938         (sse3_addsubv4sf3): Likewise.
2939
2940 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2941
2942         PR target/38824
2943         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2944
2945 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
2946
2947         PR debug/39432
2948         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2949         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2950         registers for allocnos created from user-defined variables.
2951
2952 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2953
2954         PR target/39181
2955         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2956         of non-integer mode as well.
2957
2958 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
2959
2960         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2961         for functions for which the parameter types are unknown.
2962
2963 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
2964
2965         PR target/39137
2966         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2967         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2968         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2969         * config/i386/i386.c (ix86_local_alignment): For
2970         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2971         long long variables on the stack to avoid dynamic realignment.
2972         Allow the first argument to be a decl rather than type.
2973         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2974
2975 2009-03-11  Nick Clifton  <nickc@redhat.com>
2976
2977         PR target/5362
2978         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2979         options.
2980         Add description to mno-lsim option.
2981         * config/mcore/mcore.h: Remove comment about deprecated m4align
2982         option.
2983         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2984         * doc/invoke.texi: Add description of mno-lsim and
2985         mstack-increment options.
2986
2987         * config/fr30/fr30.opt: Document the -mno-lsim option.
2988         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2989         and -mno-lsim options.
2990
2991 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2992
2993         * fold-const.c (fold_comparison): Only call fold_inf_compare
2994         if the mode supports infinities.
2995
2996 2009-03-11  Jason Merrill  <jason@redhat.com>
2997
2998         PR debug/39086
2999         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3000         end already did.  Notice GIMPLE_CALL modifications of the result.
3001         Don't copy debug information from an ignored decl or a decl from
3002         another function.
3003
3004 2009-03-10  Richard Guenther  <rguenther@suse.de>
3005             Nathan Froyd  <froydnj@codesourcery.com>
3006
3007         PR middle-end/37850
3008         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3009         (__divMODE3): Likewise.
3010
3011 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
3012
3013         PR tree-optimization/39394
3014         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3015         DECL_SIZE_UNIT of variable length FIELD_DECLs.
3016
3017 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3018
3019         * recog.c (verfiy_changes): Disallow renaming of hard regs in
3020         inline asms for register asm ("") declarations.
3021
3022 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
3023
3024         * fold-const.c (fold_unary): Fix comment.
3025
3026 2009-03-07  Jan Hubicka  <jh@suse.cz>
3027
3028         PR target/39361
3029         * tree-inline.c (setup_one_parameter): Do replacement of const
3030         argument by constant in SSA form.
3031
3032 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3033
3034         PR middle-end/38028
3035         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3036         determine alignment passed to assign_stack_local.
3037         (assign_parms_unsplit_complex): Likewise.
3038         * except.c (sjlj_build_landing_pads): Likewise.
3039
3040 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
3041
3042         PR middle-end/39360
3043         * tree-flow.h (add_referenced_var): Return bool instead of void.
3044         * tree-dfa.c (add_referenced_var): Return result of
3045         referenced_var_check_and_insert call.
3046         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3047         of referenced_var_check_and_insert.
3048
3049         PR debug/39372
3050         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3051         (gen_variable_die): Emit DW_AT_location on abstract static variable's
3052         DIE, don't emit it if abstract origin already has it.
3053         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3054         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3055
3056 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3057
3058         * genpreds.c (needs_variable): Fix parentheses at variable name
3059         detection.
3060         (write_tm_constrs_h): Indent generated code.
3061
3062 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3063
3064         * doc/extend.texi (Function Attributes): Add documentation
3065         for isr attributes.
3066
3067 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
3068
3069         PR debug/39387
3070         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3071         take locus from its DECL_SOURCE_LOCATION instead of input_location.
3072
3073 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3074
3075         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3076         the loop as bad.
3077
3078 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
3079
3080         PR debug/39379
3081         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3082         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3083
3084 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
3085
3086         * config/i386/i386.md (R8_REG, R9_REG): New constants.
3087         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3088         constants instead of magic numbers.
3089         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3090         (QI_REG_P): Ditto.
3091         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3092         (x86_64_ms_abi_int_parameter_registers): Ditto.
3093         (x86_64_int_return_registers): Ditto.
3094         (ix86_maybe_switch_abi): Ditto.
3095         (ix86_expand_call): Ditto for clobbered_registers array.
3096         (ix86_hard_regno_mode_ok): Ditto.
3097         (x86_extended_QIreg_mentioned_p): Ditto.
3098
3099 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
3100
3101         PR tree-optimization/39349
3102         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3103
3104         * combine.c (gen_lowpart_for_combine): Use omode when generating
3105         clobber.
3106
3107 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
3108
3109         PR rtl-optimization/39235
3110         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3111
3112 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
3113
3114         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3115
3116 2009-03-04  Richard Guenther  <rguenther@suse.de>
3117
3118         PR tree-optimization/39362
3119         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3120         that occur in abnormal PHIs should be varying.
3121
3122 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
3123
3124         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3125         Extend comments.
3126         (simple_iv):  Take loop as an argument instead of statement.
3127         * tree-scalar-evolution.h (simple_iv): Declaration changed.
3128         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3129         to simple_iv.
3130         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3131         Ditto.
3132         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3133         * matrix-reorg.c (analyze_transpose): Ditto.
3134         * tree-data-ref.c (dr_analyze_innermost): Ditto.
3135         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3136         * tree-predcom.c (ref_at_iteration): Ditto.
3137         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3138
3139 2009-03-04  Richard Guenther  <rguenther@suse.de>
3140
3141         PR tree-optimization/39358
3142         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3143         escaped_id and callused_id.
3144         (solve_graph): Likewise.
3145
3146 2009-03-04  Richard Guenther  <rguenther@suse.de>
3147
3148         PR tree-optimization/39339
3149         * tree-sra.c (try_instantiate_multiple_fields): Make it
3150         no longer ICE on the above.
3151
3152 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
3153
3154         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3155         that fits within Pmode.
3156
3157 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
3158
3159         PR middle-end/10109
3160         * tm.texi (LIBCALL_VALUE): Update description.
3161
3162 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
3163
3164         PR middle-end/34443
3165         * doc/extend.texi (section): Update description.
3166
3167 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
3168
3169         PR middle-end/39345
3170         * tree-inline.c (remapped_type): New.
3171         (can_be_nonlocal): Call remapped_type instead of remap_type.
3172
3173 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
3174
3175         PR fortran/39354
3176         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3177         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3178
3179 2009-03-03  Richard Guenther  <rguenther@suse.de>
3180
3181         PR middle-end/39272
3182         * tree.c (tree_nonartificial_location): New function.
3183         * tree.h (tree_nonartificial_location): Declare.
3184         * builtins.c (expand_builtin_memory_chk): Provide location
3185         of the call location for artificial function pieces.
3186         (maybe_emit_chk_warning): Likewise.
3187         (maybe_emit_sprintf_chk_warning): Likewise.
3188         (maybe_emit_free_warning): Likewise.
3189         * expr.c (expand_expr_real_1): Likewise.
3190
3191 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
3192
3193         PR tree-optimization/39343
3194         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3195         COMPONENT_REF t has ARRAY_TYPE.
3196
3197 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3198
3199         PR middle-end/39335
3200         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3201         when the type precision of the induction variable should be
3202         larger than the type precision of nit.
3203         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3204         * graphite.c (graphite_loop_normal_form): Same.
3205         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3206
3207 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
3208
3209         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3210         (*call_1_rex64_ms_sysv): Use named constants instead of magic
3211         numbers to describe clobbered registers.
3212         (*call_value_0_rex64_ms_sysv): Ditto.
3213         * config/i386/mmx.md (mmx_emms): Ditto.
3214         (mmx_femms): Ditto.
3215
3216 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
3217
3218         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3219         of ABI_64.
3220
3221 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3222
3223         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3224         (spu_section_type_flags): New function.
3225
3226 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
3227
3228         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3229         reg_class_contents of FLOAT_REGS into a temporary.
3230
3231 2009-03-02  Richard Guenther  <rguenther@suse.de>
3232             Ira Rosen  <irar@il.ibm.com>
3233
3234         PR tree-optimization/39318
3235         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3236         information to the vectorized statement.
3237
3238 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
3239
3240         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3241         variable.  Use defined names instead of magic constants for REX SSE
3242         registers.
3243
3244 2009-03-01  Richard Guenther  <rguenther@suse.de>
3245
3246         PR tree-optimization/39331
3247         * omp-low.c (lower_send_shared_vars): Do not receive new
3248         values for the reference of DECL_BY_REFERENCE parms or results.
3249
3250 2009-03-01  Jan Hubicka  <jh@suse.cz>
3251
3252         PR debug/39267
3253         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3254         BLOCK_NONLOCALIZED_VAR): New macros.
3255         (tree_block): Add nonlocalized_vars.
3256         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3257         gen_decl_die): Add origin argument.  Allow generation of die with
3258         origin at hand only.
3259         (gen_member_die, gen_type_die_with_usage, force_decl_die,
3260         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3261         of gen_*.
3262         (gen_block_die): Fix checking for unused blocks.
3263         (process_scope_var): Break out from .... ; work with origins only.
3264         (decls_for_scope) ... here; process nonlocalized list.
3265         (dwarf2out_ignore_block): Look for nonlocalized vars.
3266         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3267         vars.
3268         (dump_scope_block): Dump them.
3269         * tree-inline.c (remap_decls): Handle nonlocalized vars.
3270         (remap_block): Likewise.
3271         (can_be_nonlocal): New predicate.
3272         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3273
3274 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3275
3276         * configure: Regenerate.
3277
3278 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3279
3280         * optc-gen.awk: No need to duplicate option flags twice.
3281         Reuse help texts for duplicate options which do not have any.
3282
3283         * gcc.c (display_help): Document --version.
3284
3285         * gcc.c (main): If print_help_list and verbose_flag, ensure
3286         driver output comes before subprocess output.
3287
3288         * optc-gen.awk: Assign all remaining fields to help string,
3289         space-separated, for multi-line help in *.opt.
3290
3291         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3292         -Wno-pedantic-ms-format is for MinGW targets only.
3293
3294         * doc/options.texi (Option file format): Fix bad indentation,
3295         restoring dropped sentence.
3296
3297 2009-02-28  Jan Hubicka  <jh@suse.cz>
3298
3299         * tree-inline.c (tree_function_versioning): Output debug info.
3300
3301 2009-02-28  Jan Hubicka  <jh@suse.cz>
3302
3303         PR debug/39267
3304         * tree-inline.c (setup_one_parameter): Do not copy propagate
3305         arguments when not optimizing.
3306
3307 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
3308
3309         PR target/39327
3310         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3311         (avx_addsubv4df3): Likewise.
3312         (*avx_addsubv4sf3): Likewise.
3313         (sse3_addsubv4sf3): Likewise.
3314         (*avx_addsubv2df3): Likewise.
3315         (sse3_addsubv2df3): Likewise.
3316         (avx_unpckhps256): Correct item selectors.
3317         (avx_unpcklps256): Likewise.
3318         (avx_unpckhpd256): Likewise.
3319         (avx_unpcklpd256): Likewise.
3320
3321 2009-02-28  Jan Hubicka  <jh@suse.cz>
3322
3323         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3324         static vars.
3325         (copy_arguments_for_versioning): If var is declared don't declare it.
3326         (tree_function_versioning): First setup substitutions and then copy
3327         args.
3328
3329 2009-02-27  Jan Hubicka  <jh@suse.cz>
3330
3331         PR debug/39267
3332         * cgraph.h (varpool_output_debug_info): Remove.
3333         * cgraphunit.c (varpool_output_debug_info): Remove.
3334         * dwarf2out.c (deferred_locations_struct): New struct
3335         (deferred_locations): New type.
3336         (deferred_locations_list): New static var.
3337         (deffer_location): New function.
3338         (gen_variable_die): Use it.
3339         (decls_for_scope): Output info on local static vars.
3340         (dwarf2out_finish): Process deferred locations.
3341         * varpool.c (varpool_output_debug_info): Remove.
3342
3343 2009-02-27  Jan Hubicka  <jh@suse.cz>
3344
3345         PR debug/39267
3346         * tree.h (TREE_PROTECTED): Fix comment.
3347         (BLOCK_HANDLER_BLOCK): Remove.
3348         (struct tree_block): Remove handler_block add body_block.
3349         (inlined_function_outer_scope_p): New.
3350         (is_body_block): Remove.
3351         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3352         * dwarf2out.c (is_inlined_entry_point): Remove.
3353         (add_high_low_attributes): Use inlined_function_outer_scope_p.
3354         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
3355         code.
3356         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3357         * gimplify.c (gimplify_expr): Gimplify body blocks.
3358         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3359         block with multiple subblocks.
3360         (dump_scope_block): Prettier output; dump more flags and info.
3361         (dump_scope_blocks): New.
3362         (remove_unused_locals): Use dump_scope_blocks.
3363         * tree-flow.h (dump_scope_blocks): Declare.
3364         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3365         * stmt.c (is_body_block): Remove.
3366         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3367         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3368
3369 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3370
3371         PR middle-end/39308
3372         * graphite.c (graphite_loop_normal_form): Do not call 
3373         number_of_iterations_exit from a gcc_assert.
3374
3375 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3376
3377         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3378         jumps if COND is NULL.
3379         (find_cond_jump): New function.
3380         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3381         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3382
3383 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
3384
3385         * config/alpha/alpha.h (alpha_expand_mov): Return false if
3386         force_const_mem returns NULL_RTX.
3387
3388 2009-02-26  Jan Hubicka  <jh@suse.cz>
3389
3390         PR debug/39267
3391         * cgraph.h (varpool_output_debug_info): Remove.
3392         * cgraphunit.c (varpool_output_debug_info): Remove.
3393         * dwarf2out.c (deferred_locations_struct): New struct
3394         (deferred_locations): New type.
3395         (deferred_locations_list): New static var.
3396         (deffer_location): New function.
3397         (gen_variable_die): Use it.
3398         (decls_for_scope): Output info on local static vars.
3399         (dwarf2out_finish): Process deferred locations.
3400         * varpool.c (varpool_output_debug_info): Remove.
3401
3402 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
3403
3404         PR rtl-optimization/39241
3405         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3406         to subreg_offset_representable_p.
3407
3408 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
3409
3410         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3411         execute function prototype.  Get f and nregs from max_reg_num
3412         and get_insns.  Remove the first backward pass as it's dead,
3413         guard the forward pass by flag_expensive_optimizations.
3414         (rest_of_handle_regmove): Delete.
3415         (pass_regmove): Replace it with regmove_optimize.
3416
3417 2009-02-25  Martin Jambor  <mjambor@suse.cz>
3418
3419         PR tree-optimization/39259
3420         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3421         calls_alloca function flags.
3422         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3423         calls are detected.
3424
3425 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
3426
3427         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3428         flags_set_1_rtx, flags_set_1_set): Delete.
3429         (regmove_optimize): Do not call mark_flags_life_zones.
3430
3431 2009-02-24  Julian Brown  <julian@codesourcery.com>
3432
3433         PR target/35965
3434         * config/arm/arm.c (require_pic_register): Only set
3435         cfun->machine->pic_reg once per function.
3436
3437 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
3438
3439         * doc/invoke.texi (Link Options): Document an easier way to pass
3440         options that take arguments to the GNU linker using -Xlinker and -Wl.
3441
3442 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
3443
3444         PR target/33785
3445         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3446
3447 2009-02-24  Richard Guenther  <rguenther@suse.de>
3448
3449         PR debug/39285
3450         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3451
3452 2009-02-24  Richard Guenther  <rguenther@suse.de>
3453             Zdenek Dvorak  <ook@ucw.cz>
3454
3455         PR tree-optimization/39233
3456         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3457         from converting them to a generic type.
3458
3459 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3460
3461         PR tree-optimization/39260
3462         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3463         contains a condition with a real type.
3464         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3465
3466 2009-02-23  Jason Merrill  <jason@redhat.com>
3467
3468         PR c++/38880
3469         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3470         narrowing_initializer_constant_valid_p.
3471         (narrowing_initializer_constant_valid_p): Don't return 
3472         null_pointer_node for adding a pointer to itself.
3473
3474 2009-02-23  Jan Hubicka  <jh@suse.cz>
3475
3476         PR c/12245
3477         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3478         resizing.
3479
3480 2009-02-23  Jan Hubicka  <jh@suse.cz>
3481
3482         PR tree-optimization/37709
3483         * tree.c (block_ultimate_origin): Move here from dwarf2out.
3484         * tree.h (block_ultimate_origin): Declare.
3485         * dwarf2out.c (block_ultimate_origin): Move to tree.c
3486         * tree-ssa-live.c (remove_unused_scope_block_p):
3487         Eliminate blocks containig no instructions nor live variables nor
3488         nested blocks.
3489         (dump_scope_block): New function.
3490         (remove_unused_locals): Enable removal of dead blocks by default;
3491         enable dumping at TDF_DETAILS.
3492
3493 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
3494
3495         * config/i386/i386.c (classify_argument): Don't allow COImode
3496         and OImode.
3497         (function_arg_advance_32): Don't allow OImode.
3498         (function_arg_32): Likewise.
3499         (function_value_32): Likewise.
3500         (return_in_memory_32): Likewise.
3501         (function_arg_64): Remove OImode comment.
3502
3503 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
3504
3505         PR target/39261
3506         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3507         ix86_expand_vector_set for V4DImode in 64bit mode only.
3508         (ix86_expand_vector_init_one_var): Likewise.
3509
3510 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3511
3512         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3513
3514 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
3515
3516         PR bootstrap/39257
3517         * loop-iv.c: Revert last change.
3518         * emit-rtl.c: Likewise.
3519
3520 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
3521
3522         PR target/39256
3523         * config/i386/i386.c (type_natural_mode): Remove an extra
3524         space in the warning message.
3525         (function_value_32): Handle 32-byte vector modes.
3526         (return_in_memory_32): Likewise.
3527
3528 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
3529
3530         * loop-iv.c (truncate_value): New function.
3531         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3532         of lowpart_subreg.
3533         (lowpart_subreg): Move to...
3534         * emit-rtl.c: ...here.
3535
3536 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
3537
3538         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3539         accidental and undocumented change at revision 140860.
3540
3541 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
3542
3543         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3544         take gimple_seq * arguments.
3545         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3546         types_compatible_p langhook.
3547
3548 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
3549             Joseph Myers  <joseph@codesourcery.com>
3550
3551         * config/arm/arm.c (arm_builtin_va_list): New function.
3552         (arm_expand_builtin_va_start): Likewise.
3553         (arm_gimplify_va_arg_expr): Likewise.
3554         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3555         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3556         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3557         (va_list_type): New variable.
3558         (arm_mangle_type): Mangle va_list_type appropriately.
3559
3560 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
3561
3562         PR middle-end/39157
3563         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3564         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3565         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3566         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3567         parameter to 1000 for -O1 by default.
3568         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3569         parameter.
3570         * loop-invariant.c: Include params.h.
3571         (move_loop_invariants): Don't call move_single_loop_invariants on
3572         very large loops.
3573
3574 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
3575
3576         * calls.c (emit_library_call_value_1): Use slot_offset instead of
3577         offset when calculating bounds for indexing stack_usage_map.  Fixes
3578         a buffer overflow with certain target setups.
3579
3580 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
3581
3582         PR target/39240
3583         * calls.c (expand_call): Clear try_tail_call if caller and callee
3584         disagree in promotion of function return value.
3585
3586 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
3587
3588         PR target/39175
3589         * c-common.c (c_determine_visibility): If visibility changed and
3590         DECL_RTL has been already set, call make_decl_rtl to update symbol
3591         flags.
3592
3593 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3594
3595         PR c++/39188
3596         * varasm.c (assemble_variable): Don't check DECL_NAME when
3597         globalizing a variable.
3598
3599 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
3600
3601         PR c/38483
3602         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3603         expression before any __builtin_trap call.
3604         * c-typeck.c (build_function_call): Convert and check function
3605         arguments before generating a call to a trap.  Evaluate the
3606         function arguments before the trap.
3607
3608 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
3609
3610         PR target/39228
3611         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3612         (UNSPEC_FXAM_MEM): New unspec.
3613         (fxam<mode>2_i387_with_temp): New insn and split pattern.
3614         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
3615         memory using fxam<mode>2_i387_with_temp to remove excess precision.
3616
3617 2009-02-19  Richard Guenther  <rguenther@suse.de>
3618
3619         PR tree-optimization/39207
3620         PR tree-optimization/39074
3621         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3622         storedanything_tree): New.
3623         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
3624         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3625         (build_succ_graph): Add edges from STOREDANYTHING to all
3626         non-direct nodes.
3627         (init_base_vars): Initialize STOREDANYTHING.
3628         (compute_points_to_sets): Free substitution info after
3629         building the succ graph.
3630         (ipa_pta_execute): Likewise.
3631
3632         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3633         field.
3634         (do_ds_constraint): Do not add to special var or non-pointer
3635         field solutions.
3636         (type_could_have_pointers): Split out from ...
3637         (could_have_pointers): ... here.  For arrays use the element type.
3638         (create_variable_info_for): Initialize may_have_pointers.
3639         (new_var_info): Likewise.
3640         (handle_lhs_call): Make the HEAP variable unknown-sized.
3641         (intra_create_variable_infos): Use a type with pointers for
3642         PARM_NOALIAS, make it unknown-sized.
3643
3644 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3645
3646         PR target/39224
3647         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3648
3649 2009-02-18  Jason Merrill  <jason@redhat.com>
3650
3651         PR target/39179
3652         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3653         value if DECL_EXTERNAL.
3654         * tree-sra.c (sra_walk_gimple_assign): Likewise.
3655         * target.h (gcc_target::binds_local_p): Clarify "module".
3656         * tree.h (TREE_PUBLIC): Clarify "module".
3657
3658 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
3659
3660         PR target/38891
3661         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3662         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3663
3664 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
3665
3666         PR target/39082
3667         * c.opt (Wabi): Support C and ObjC.
3668         (Wpsabi): New.
3669
3670         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3671
3672         * config/i386/i386.c (classify_argument): Warn once about the ABI
3673         change when passing union with long double.
3674
3675         * doc/invoke.texi: Update -Wabi for warning psABI changes.
3676
3677 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
3678
3679         PR c/35447
3680         * c-parser.c (c_parser_compound_statement): Always enter and leave
3681         a scope.
3682
3683 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3684
3685         PR target/34587
3686         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3687
3688 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
3689
3690         PR tree-optimization/36922
3691         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3692         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3693         Likewise.
3694
3695 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
3696
3697         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3698         to 0 for EABI64.
3699
3700 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
3701
3702         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3703
3704 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
3705
3706         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3707         tree sharing.
3708
3709 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
3710             Richard Sandiford  <rdsandiford@googlemail.com>
3711
3712         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3713         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3714         (loongson_biadd): ...this.
3715
3716 2009-02-17  Richard Guenther  <rguenther@suse.de>
3717
3718         PR tree-optimization/39202
3719         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3720         a var make sure to follow existing collapses.
3721
3722 2009-02-17  Richard Guenther  <rguenther@suse.de>
3723
3724         PR middle-end/39214
3725         * langhooks.c (lhd_print_error_function): Check for NULL block.
3726
3727 2009-02-17  Richard Guenther  <rguenther@suse.de>
3728
3729         PR tree-optimization/39204
3730         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3731         of the PHI arg.
3732
3733 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
3734
3735         * config/soft-fp/double.h: Update from glibc CVS.
3736
3737 2009-02-17  Richard Guenther  <rguenther@suse.de>
3738
3739         PR tree-optimization/39207
3740         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
3741         strict-aliasing warnings for pointers pointing to NULL.
3742
3743 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
3744
3745         PR c/35446
3746         * c-parser.c (c_parser_braced_init): Call pop_init_level when
3747         skipping until next close brace.
3748
3749 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
3750
3751         PR target/37049
3752         * config/i386/i386.c (ix86_expand_push): Set memory alignment
3753         to function argument boundary.
3754
3755 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
3756
3757         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
3758         in the lea_add. Reload eventually constraints it properly.
3759         * config/picochip/constraints.md : Remove the target constraint
3760         "b", since it is not needed anymore.
3761
3762 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
3763
3764         * gthr-dce.h: Uglify function parameter and local variable names.
3765         * gthr-gnat.h: Likewise.
3766         * gthr-mipssde.h: Likewise.
3767         * gthr-nks.h: Likewise.
3768         * gthr-posix95.h: Likewise.
3769         * gthr-posix.h: Likewise.
3770         * gthr-rtems.h: Likewise.
3771         * gthr-single.h: Likewise.
3772         * gthr-solaris.h: Likewise.
3773         * gthr-tpf.h: Likewise.
3774         * gthr-vxworks.h: Likewise.
3775         * gthr-win32.h: Likewise.
3776
3777 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
3778
3779         PR target/39196
3780         * config/i386/i386.md: Restrict the new peephole2 to move
3781         between MMX/SSE registers.
3782
3783 2009-02-15  Richard Guenther  <rguenther@suse.de>
3784
3785         Revert
3786         2009-02-13  Richard Guenther  <rguenther@suse.de>
3787
3788         * configure.ac: Enable LFS.
3789         * configure: Re-generate.
3790         * config.in: Likewise.
3791
3792 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3793
3794         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
3795         spu_srqwbyte, spu_srqwbytebc): Define.
3796         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
3797         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
3798         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
3799         "shrqby_<mode>"): New insn-and-split patterns.
3800         * config/spu/spu.c (expand_builtin_args): Determine and return
3801         number of operands using spu_builtin_description data.
3802         (spu_expand_builtin_1): Use it.
3803
3804 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
3805
3806         PR target/38056
3807         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3808         TARGET_CONST_GP.
3809
3810 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
3811
3812         PR target/39149
3813         * config/i386/i386.c (override_options): Correct warning
3814         messages for -malign-loops, -malign-jumps and -malign-functions.
3815
3816 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
3817
3818         PR target/39152
3819         * config/i386/i386.md: Restrict the new peephole2 to move
3820         between the general purpose registers.
3821
3822 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
3823
3824         PR target/39162
3825         * config/i386/i386.c (type_natural_mode): Add a new argument.
3826         Return the original mode and warn ABI change if vector size is 32byte.
3827         (function_arg_advance): Updated.
3828         (function_arg): Likewise.
3829         (ix86_function_value): Likewise.
3830         (ix86_return_in_memory): Likewise.
3831         (ix86_sol10_return_in_memory): Likewise.
3832         (ix86_gimplify_va_arg): Likewise.
3833         (function_arg_32): Don't warn ABX ABI change here.
3834         (function_arg_64): Likewise.
3835
3836 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
3837
3838         * loop-iv.c (implies_p): In the final case, test that operands 0
3839         of the two comparisons match.
3840
3841         * config/bfin/bfin.c (find_prev_insn_start): New function.
3842         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3843         (find_next_insn_start): Move.
3844
3845 2009-02-13  Richard Guenther  <rguenther@suse.de>
3846
3847         * configure.ac: Enable LFS.
3848         * configure: Re-generate.
3849         * config.in: Likewise.
3850
3851 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
3852
3853         PR c/35444
3854         * c-parser.c (c_parser_parms_list_declarator): Discard pending
3855         sizes on syntax error after some arguments have been parsed.
3856
3857 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
3858
3859         * doc/invoke.texi (-fira): Remove.
3860
3861 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
3862
3863         * caller-save.c: Replace regclass.c with reginfo.c in comments.
3864         * recog.c: Likewise.
3865         * rtl.h: Likewise.
3866
3867 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
3868
3869         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3870         (umul_ppmm): Likewise.
3871         (count_leading_zeros): Likewise.
3872         (count_trailing_zeros): Likewise.
3873         (UMUL_TIME): Likewise.
3874
3875 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
3876
3877         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3878         soft-fp/t-softfp to tmake_file.
3879
3880         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3881         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3882         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3883         IA64_BUILTIN_INFQ]: New.
3884         (ia64_init_builtins): Initialize __builtin_infq,
3885         __builtin_fabsq and __builtin_copysignq if not HPUX.
3886         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3887         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3888
3889         * config/ia64/lib1funcs.asm (__divtf3): Define only if
3890         SHARED is defined.
3891         (__fixtfti): Likewise.
3892         (__fixunstfti): Likewise.
3893         (__floattitf): Likewise.
3894
3895         * config/ia64/libgcc-glibc.ver: New.
3896         * config/ia64/t-fprules-softfp: Likewise.
3897         * config/ia64/sfp-machine.h: Likewise.
3898
3899         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3900         (LIBGCC2_TF_CEXT): Likewise.
3901         (TF_SIZE): Likewise.
3902         (TARGET_INIT_LIBFUNCS): Likewise.
3903
3904         * config/ia64/t-glibc (SHLINB_MAPFILES):
3905         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3906
3907 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
3908
3909         * config/i386/i386.c (construct_container): Rewrite processing
3910         BLKmode with X86_64_SSE_CLASS.
3911
3912 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
3913
3914         PR target/39152
3915         * config/i386/i386.md: Replace simplify_replace_rtx with
3916         replace_rtx in the new peephole2.
3917
3918 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
3919
3920         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3921         loop unrolling do not happen at -O2.
3922
3923 2009-02-12  Michael Matz  <matz@suse.de>
3924
3925         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3926
3927 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
3928
3929         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3930         for -g3.
3931
3932 2009-02-12  Ben Elliston  <bje@au.ibm.com>
3933
3934         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3935         patterns when updating the back chain.  Missed in the 2009-02-10
3936         change.
3937
3938 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
3939
3940         * doc/extend.texi (Decimal Floating Types): Update identifier of
3941         draft TR and list of missing support.
3942
3943 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
3944
3945         PR middle-end/39154
3946         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3947         bit to variable length decl's flags, add it also to its
3948         pointer replacement variable.
3949
3950 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
3951             Jakub Jelinek  <jakub@redhat.com>
3952
3953         PR target/39118
3954         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3955         (memory_blockage): New expander.
3956         (*memory_blockage): New insn pattern.
3957         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3958         instead of general blockage at the end of function prologue when
3959         frame pointer is used to access red zone area.  Do not emit blockage
3960         when profiling, it is emitted in generic code.
3961         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3962         function epilogue when frame pointer is used to access red zone area.
3963
3964 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
3965
3966         PR target/38824
3967         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3968         by arithmetic with memory operands.
3969         * config/i386/predicates.md (commutative_operator): New.
3970
3971 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
3972
3973         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3974         bulleted lists.
3975
3976 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3977
3978         * alias.h (record_alias_subset): Declare.
3979         * alias.c (record_alias_subset): Make global.
3980
3981 2009-02-10  Nick Clifton  <nickc@redhat.com>
3982
3983         * tree-parloops.c: Change license to GPLv3.
3984         * ipa-struct-reorg.c: Change license to GPLv3.
3985         * ipa-struct-reorg.h: Change license to GPLv3.
3986
3987 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
3988
3989         PR c/39084
3990         * c-decl.c (start_struct): Return NULL on error.
3991
3992 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
3993
3994         PR middle-end/39124
3995         * cfgloopmanip.c (remove_path): Call remove_bbs after
3996         cancel_loop_tree, not before it.
3997