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1 2005-12-21  Janis Johnson  <janis187@us.ibm.com>
2             Ben Elliston  <bje@au.ibm.com>
3
4         * configure.ac: Enable C extension for decimal float if invoked
5         with --enable-decimal-float.
6         * doc/install.texi (Configuration): Document it.
7         * configure, config.in: Regenerate.
8
9 2005-12-20  Mike Stump  <mrs@apple.com>
10
11         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
12         ambiguity between -seg_addr_table and -seg_addr_table_filename.
13         (WORD_SWITCH_TAKES_ARG): Likewise.
14         (LINK_SPEC): Likewise.
15
16 2005-12-20  Kenneth Zadeck <zadeck@naturalbridge.com>
17
18         * cfganal.c (flow_reverse_top_sort_order_compute):
19         Renamed to post_order_compute and additional parameter added which
20         allows the inclusion of entry and exit blocks into list.
21         (mark_dfs_back_edges): Fixed comment.
22         (flow_depth_first_order_compute): Renamed to
23         pre_and_rev_post_order_compute additional parameter added which
24         allows the inclusion of entry and exit blocks into list.
25         * global.c (set_up_bb_rts_numbers): Call to
26         flow_reverse_top_sort_order_compute renamed to
27         post_order_compute.
28         * var-tracking.c (vt_stack_adjustments): Fixed comment.
29         (vt_find_locations): Call to
30         flow_depth_first_order_compute renamed to
31         pre_and_rev_post_order_compute.
32         * cfgloop.c (flow_find_loops): Ditto.
33         * tree-ssa-reassoc.c (init_reassoc): Ditto.
34         * df.c (df_analyze_1, df_analyze_subcfg): Calls to
35         flow_reverse_top_sort_order_compute renamed to post_order_compute
36         and calls to flow_reverse_top_sort_order_compute renamed to
37         post_order_compute.
38         * basic_block.h: Ditto.
39
40
41 2005-12-20  Roger Sayle  <roger@eyesopen.com>
42             Paolo Bonzini  <bonzini@gnu.org>
43
44         PR rtl-optimization/25115
45         * gcse.c (pre_insert_copy_insn): Fall back to the sole
46         SET in the insn if there is no SET for an
47         expression that is equivalent to EXPR.
48
49 2005-12-20  Richard Guenther  <rguenther@suse.de>
50
51         PR middle-end/24306
52         * builtins.c (std_gimplify_va_arg_expr): Do not align
53         va frame for zero sized types.
54         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
55
56 2005-12-20  Kazu Hirata  <kazu@codesourcery.com>
57
58         PR tree-optimization/25501
59         * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
60         used in the PHI argument corresponding to the edge from BB to
61         DEST.
62
63 2005-12-20  Richard Guenther  <rguenther@suse.de>
64
65         Revert
66         2005-12-02  Richard Guenther  <rguenther@suse.de>
67
68         * tree-cfg.c (mark_used_vars): New function.
69         (dump_function_to_file): Dump only used VAR_DECLs.
70
71 2005-12-19  Roger Sayle  <roger@eyesopen.com>
72
73         * combine.c (try_combine): Improve splitting of binary operators
74         by taking advantage of reassociative transformations.
75
76 2005-12-19  Jeff Law  <law@redhat.com>
77
78         * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
79         Strip away all type conversions after simplifying the
80         condition.
81
82         * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
83         cases the forwarder block dominates the destination.
84
85 2005-12-19  DJ Delorie  <dj@redhat.com>
86
87         * reload1.c (spill_failure): Dump reload data to dump file.
88         (find_reload_regs): Likewise.
89
90 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
91
92         PR tree-optimization/24793
93         * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
94         original reference if there are subvars.
95         * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
96
97 2005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>
98
99         * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
100         Corrected basic block number calculations for changes in entry and
101         exit numbering.
102         
103 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
104
105         * tree-flow.h (struct var_ann_d): Change type of
106         may_aliases field to VEC(tree, gc) *.
107         (may_aliases): Declaration changed.
108         * tree-ssa-alias.c (group_aliases, add_may_alias,
109         replace_may_alias, dump_may_aliases_for,
110         is_aliased_with, add_type_alias, new_type_alias):
111         Work with VEC(tree, gc) * instead of varray.
112         * tree-flow-inline.h (may_aliases): Ditto.
113         * tree-ssa.c (verify_flow_insensitive_alias_info,
114         verify_name_tags): Ditto.
115         * tree-ssa-operands.c (add_stmt_operand): Ditto.
116
117 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
118
119         * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
120         comes back.
121
122 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
123
124         * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
125         check.
126
127 2005-12-19  Ben Elliston  <bje@au.ibm.com>
128
129         * doc/install.texi (Configuration): Typo in Fortran subheading.
130
131 2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>
132
133         * config/mt/mt.md (decrement_and_branch_until_zero): Add another
134         scratch.  Correct its reload split. Adjust its peephole.
135         (doloop_end): Add additional scratch.
136         (nop): Use 'nop'.
137         * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
138         (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
139         (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
140         (mt_builtin_saveregs): Replace with ...
141         (mt_setup_incoming_varargs): ... here.  Save just the varadic
142         args.
143         (mt_va_start): Remove.
144         (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
145         (mt_machine_reorg): Split all insns here.
146         (TARGET_SETUP_INCOMING_VARARGS): Override.
147         * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
148         Set to CPU type.
149         (EXPAND_BUILTIN_VA_START): Remove.
150
151 2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
152
153         * flow.c (update_life_info, count_or_remove_death_notes): Fixed
154         latent bug that could happen if update_life_info was called with a
155         blocks parameter and the call to cleanup_cfg actually deleted one
156         of those blocks. 
157
158 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
159
160         * tree-ssa-structalias.c (update_alias_info): Remove handling
161         of may_be_aliased (SSA_NAME_VAR (op)) case.
162
163 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
164
165         * tree-flow.h (struct stmt_ann_d): Remove
166         makes_aliased_loads and makes_aliased_stores fields.
167         * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
168         and makes_aliased_loads fields.
169         * tree-ssa-dom.c (eliminate_redundant_computations): Do not
170         use makes_aliased_stores.
171         * tree-ssa-operands.c (clobbered_aliased_loads,
172         clobbered_aliased_stores, ro_call_aliased_loads): Removed.
173         (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
174         add_call_read_ops): Do not set makes_aliased_stores and
175         makes_aliased_loads fields.
176         * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
177         field.
178
179 2005-12-18  Geoffrey Keating  <geoffk@apple.com>
180
181         * config/darwin.h: Don't include darwin-sections.def to declare
182         global variables; instead create darwin_section_enum.
183         (darwin_section_enum): New.
184         (darwin_sections): New.
185         * config/darwin.c: Don't include darwin-sections.def to define
186         global variables.
187         (darwin_sections): New.
188         (output_objc_section_asm_op): Rewrite to take advantage of
189         darwin_sections.
190         (darwin_init_sections): Rewrite to use darwin_sections.
191         (machopic_output_indirection): Update for darwin_sections array.
192         (machopic_select_section): Likewise.
193         (machopic_select_rtx_section): Likewise.
194         (machopic_asm_out_constructor): Likewise.
195         (machopic_asm_out_destructor): Likewise.
196         (darwin_file_end): Likewise.
197         * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
198         * config/i386/i386.c (machopic_output_stub): Likewise.
199
200 2005-12-18  Richard Guenther  <rguenther@suse.de>
201
202         PR tree-optimization/25481
203         * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
204         don't have a varinfo for.
205
206 2005-12-18  Jon Grimm  <jgrimm2@us.ibm.com>
207             Janis Johnson  <janis187@us.ibm.com>
208             Ben Elliston  <bje@au.ibm.com>
209
210         * optabs.c (init_floating_libfuncs): Handle decimal float modes.
211         (init_optabs): Handle libfuncs for decimal float.
212         * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
213         * stor-layout.c (int_mode_for_mode): Likewise.
214         * simplify-rtx.c (simplify_immed_subreg): Likewise.
215         (simplify_unary_operation_1): Skip optimisations for decimal float
216         modes.
217         * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
218         * emit-rtl.c (gen_const_vector): Add assertion check.
219         (init_emit_once): Populate const_tiny_rtx with constants in each
220         decimal float mode.
221         * expmed.c (extract_high_half, expand_mult_highpart_optab,
222         expand_mult_highpart): Assert that mode is not a scalar float
223         mode.
224         * expr.c (convert_move): Handle conversion between decimal and
225         binary floats of the same size.
226         * convert.c (convert_to_real): Consider decimal float types when
227         folding.
228         * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
229         describe decimal floating point types.
230         
231 2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
232
233         PR rtl-optimization/21041
234         * reload.c (find_reloads_subreg_address): Replace paradoxical
235         subreg of MEM by widened access only if the resulting memory
236         is properly aligned, even on !STRICT_ALIGNMENT targets.
237
238 2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
239
240         * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
241
242 2005-12-18  Steven Bosscher  <stevenb@suse.de>
243
244         * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
245         the 2005-12-17 patch to renumber the entry and exit blocks.
246
247 2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
248
249         * doc/objc.texi (Type encoding): Fix typo.
250
251 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
252
253         * tree-tailcall.c (find_tail_calls): Use XNEW.
254         * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
255         (free_all_edge_infos): Use explicit cast to convert from void *.
256         (vrp_free): Likewise.
257         (dom_opt_finalize_block): Likewise.
258         (record_equivalences_from_incoming_edge): Likewise.
259         (thread_across_edge): Likewise.  Use XCNEWVEC.
260         (record_cond): Use XCNEW.
261         (record_conditions): Use XNEWVEC.
262         (record_edge_info): Use XCNEWVEC.
263         (lookup_avail_expr): Use XNEW.
264         (record_range): Likewise.  Use GGC_NEW.
265         * tree-nested.c (var_map_hash): Use explicit cast to convert from
266         void *.
267         (var_map_eq): Likewise.
268         (lookup_field_for_decl): Likewise.
269         (convert_nonlocal_reference): Likewise.
270         (convert_local_reference): Likewise.
271         (convert_nl_goto_reference): Likewise.
272         (convert_nl_goto_receiver): Likewise.
273         (convert_call_expr): Likewise.
274         (convert_tramp_reference): Likewise.
275         (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
276         (convert_nl_goto_reference): Likewise.
277         (lookup_field_for_decl): Use GGC_NEW.
278         (create_nesting_tree): Use GGC_CNEW.
279         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
280         * tree-ssa-alias.c (init_alias_info): Use XCNEW.
281         (create_alias_map_for): Likewise.
282         (setup_pointers_and_addressables): Use XCNEWVEC.
283         (get_ptr_info): Use GGC_NEW.
284         (used_part_map_eq): Use explicit cast to convert from void *.
285         (up_lookup): Likewise.
286         (up_insert): Use XNEW.
287         (get_or_create_used_part_for): Use XCNEW.
288         (get_tmt_for): Likewise.
289         * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
290         * tree-ssa-pre.c (phi_trans_add): Use XNEW.
291         (bitmap_set_new): Use explicit cast to convert from void *.
292         (set_new): Likewise.
293         (insert_into_set): Likewise.
294         (pool_copy_list): Likewise.
295         (phi_translate): Likewise.
296         (create_value_expr_from): Likewise.
297         (insert_aux): Use XCNEWVEC.
298         (compute_avail): Use XNEWVEC.
299         * tree-ssa-live.c (calculate_live_on_entry): Likewise.
300         (sort_coalesce_list): Likewise.
301         (build_tree_conflict_graph): Use XCNEWVEC.
302         * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
303         * tree-ssa-copy.c (init_copy_prop): Likewise.
304         (fini_copy_prop): Likewise.
305         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
306         and XCNEWVEC.
307         (record_equiv): Use XNEW.
308         (uncprop_into_successor_phis): Use explicit cast to convert from
309         void *.
310         (uncprop_initialize_block): Likewise.
311
312 2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
313
314         PR tree-optimization/24378      
315         * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
316         basic-block after loop-versioning. 
317
318 2005-12-18  Jeff Law  <law@redhat.com>
319
320         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
321         to simplify SWITCH_EXPR_CODE moved from here to ...
322         * tree-ssa-forwprop.c (simplify_switch_expr): Here.
323         (tree-ssa-forward_propagate_single_use_vars): Call
324         simplify_switch_expr when appropriate.
325
326 2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
327
328         * doc/objc.texi (Type encoding): Add documentation about encoding
329         complex types and _Bool.
330
331 2005-12-17  Paul Brook  <paul@codesourcery.com>
332
333         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
334         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
335         when frame_pointer_needed. 
336
337 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
338
339         * tree-vn.c (vn_add): Use XNEW.
340         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
341         (ccp_fold): Likewise.
342         (fold_stmt_r): Use explicit cast to convert from void *.
343         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
344         (new_temp_expr_table): Likewise.
345         * gimplify.c (lookup_tmp_var): Use XNEW.
346         (gimplify_asm_expr): Use explcit cast to convert from void *.
347         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
348         (get_def_blocks_for): Use XNEW.
349         (add_to_repl_tbl): Likewise.
350         (mark_def_sites): Use explicit cast to convert from void *.
351         (def_blocks_free): Likewise.
352         (mark_def_sites_initialize_block): Likewise.
353         (update_ssa): Use XNEWVEC.
354         * tree-dfa.c (create_var_ann): Use GGC_NEW.
355         (create_stmt_ann): Likewise.
356         (create_tree_ann): Likewise.
357         (referenced_var_insert): Likewise.
358         (set_default_def): Likewise.
359         (referenced_var_lookup_if_exists): Use explicit cast to convert
360         from void *.
361         (referenced_var_lookup): Likewise.
362         (default_def): Likewise.
363         (set_default_def): Likewise.
364         * tree-cfg.c (create_bb): Likewise.
365         (edge_to_cases_cleanup): Likewise.
366         (verify_node_sharing): Likewise.
367         (record_switch_edge): Use XNEW.
368         (cleanup_dead_labels): Use XCNEWVEC.
369         (tree_duplicate_sese_region): Use XNEWVEC.
370         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
371         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
372         (int_tree_map_eq): Use explicit cast to convert from void *.
373         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
374         (__gcov_execl): Likewise.
375         (__gcov_execlp): Likewise.
376         (__gcov_execle): Likewise.
377         * tree-eh.c (struct_ptr_eq): Likewise.
378         (struct_ptr_hash): Likewise.
379         (lookup_stmt_eh_region_fn): Likewise.
380         (outside_finally_tree): Likewise.
381         (find_goto_replacement): Likewise.
382         (make_eh_edge): Likewise.
383         (mark_eh_edge): Likewise.
384         (add_stmt_to_eh_region_fn): Use GGC_NEW.
385         (record_in_finally_tree): Use XNEW.
386         (maybe_record_in_goto_queue): Use XRESIZEVEC.
387         (lower_try_finally_copy): Use XCNEWVEC.
388
389 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
390
391         * tree-inline.c (copy_body_r): Use explicit cast when converting
392         from void *.
393         (copy_bb): Likewise.
394         (copy_edges_for_bb): Likewise.
395         (remap_decl_1): Likewise.
396         (estimate_num_insns_1): Likewise.
397         * cgraph.c (hash_node): Use explicit cast when converting from
398         void *.
399         (eq_node): Likewise.
400         (cgraph_create_node): Use GGC_CNEW.
401         (cgraph_create_edge): Use GGC_NEW.
402         (cgraph_remove_node): Use explicit cast when converting from void *.
403         (hash_varpool_node): Likewise.
404         (eq_varpool_node): Likewise.
405         (cgraph_varpool_node): Use GGC_CNEW.
406         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
407         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
408         (eq_scev_info): Use explicit cast when converting from void *.
409         (find_var_scev_info): Likewise.
410         (set_instantiated_value): Likewise.
411         (gather_stats_on_scev_database_1): Likewise.
412         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
413         from void *.
414         * c-pch.c (c_common_write_pch): Use XNEWVEC.
415         (c_common_read_pch): Likewise.
416         * prefix.c (save_string): Use XNEWVEC.
417         (translate_name): Use explicit cast when converting from void *.
418         * c-ppoutput.c (print_line): Use explicit cast when converting
419         from void *.
420         (pp_dir_change): Likewise.
421         * c-cppbuiltin.c (builtin_define_std): Likewise.
422         (builtin_define_with_value): Likewise.
423         (builtin_define_with_value_n): Likewise.
424         (builtin_define_with_int_value): Likewise.
425         (builtin_define_type_max): Likewise.
426         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
427         (add_path): Use XNEW.
428         * c-format.c (check_format_info_main): Use GGC_NEW.
429         (format_type_warning): Use explicit cast when converting from void *.
430         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
431         xmalloc. 
432         (start_init): Likewise.
433         * tree-flow-inline.h (first_referenced_var): Use explicit cast
434         when converting from void *.
435         (next_referenced_var): Likewise.
436         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
437         * gensupport.c (lookup_predicate): Use explicit cast to convert
438         from void *.
439         (init_predicate_table): Use XCNEW instead of xcalloc.
440         * genpreds.c (process_define_predicate): Likewise.
441
442 2005-12-17  Danny Berlin <dberlin@dberlin.org>
443             Kenneth Zadeck <zadeck@naturalbridge.com>
444
445         * basic-block.h: Changed basic block numbering so that the entry
446         block is 0 and the exit block is 1.  Changed insn iterators so
447         that they are tolerant of blocks with no insns.
448         * regrename.c (copyprop_hardreg_forward): Changed basic block
449         numbering so that the entry block is 0 and the exit block is 1.
450         * sched-ebb.c (sehedule_ebbs): Ditto.
451         * tracer.c (branch_ratio_cutoff): Ditto.
452         * cfgloopmanip.c (fix_loop_structure): Ditto.
453         * cfghooks.c (verify_flow_info): Ditto.
454         * cfg.c (compact_blocks): Ditto.
455         * reorg.c (dbr_schedule): Ditto.
456         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
457         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
458         calculate_dominance_info): Ditto.
459         * cfganal.c (create_edge_list, print_edge_list,
460         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
461         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
462         dfs_enumerate_from): Ditto.
463         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
464         * ifcvt.c (find_if_case_2): Ditto.
465         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
466         find_basic_blocks): Ditto.
467         * predict.c (predict_loops, tree_bb_level_predictions,
468         predict_paths_leading_to, propagate_freq): Ditto.
469         * lcm.c (compute_antinout_edge, compute_laterin,
470         compute_available): Ditto.
471         * function.c (thread_prologue_and_epilogue_insns): Ditto.
472         * gcse.c (gcse_main, bypass_jumps): Ditto.
473         * profile.c (compute_branch_probabilities,
474         compute_value_histograms, branch_prob): Ditto.
475         * tree-flow-inline.h (bsi_start, bsi_after_labels,
476         bsi_last): Ditto.
477         * tree-ssa-phiopt.c (tree_ssa_phiopt,
478         blocks_in_phiopt_order): Ditto.
479         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
480         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
481         * tree-dfa.c (collect_dfa_stats): Ditto.
482         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
483         * cfglayout.c (fixup_reorder_chain): Ditto.
484         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
485         partition_hot_cold_basic_blocks): Ditto.
486         * var-tracking.c (vt_find_locations): Ditto.
487         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
488         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
489         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
490         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
491         * tree-ssa-reassoc.c (init_reassoc): Ditto.
492         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
493         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
494         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
495         and removed unused reverse orders.
496         * df.h (): Ditto.
497         * combine.c: Fix document typo.
498
499 2005-12-17  Jan Hubicka  <jh@suse.cz>
500
501         * tree-flow-inline.h (set_default_def, default_def): Kill.
502         * tree-dfa.c (default_defs): New global variable.
503         (default_def, set_default_def): New functions.
504         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
505         * tree-flow.h (struct var_ann_d): Kill default_def field.
506         (set_default_def, default_def): Update prototype.
507         (default_defs): Declare.
508
509 2005-12-16  Jeff Law  <law@redhat.com>
510
511         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
512         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
513         into tree-ssa-forwprop.c.
514         (eliminate_redundant_computations): Do not call
515         simplify_rhs_and_lookup_avail_expr anymore.
516         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
517         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
518         (tree_ssa_forward_propagate_single_use_vars): Call
519         simplify_not_neg_expr appropriately.
520
521 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
522
523         PR target/20016
524         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
525
526 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
527
528         PR rtl-optimization/25456
529         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
530         info->x_start with p->x_start.
531
532 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
533
534         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
535         introduced 2005-12-16.
536
537 2005-12-16  Steven Bosscher  <stevenb@suse.de>
538
539         PR rtl-optimization/23837
540         * optabs.c (expand_binop): For a multi-word rotate, never emit
541         a REG_NO_CONFLICT block.
542
543 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
544
545         PR middle-end/25457
546         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
547
548         PR target/25447
549         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
550         MODE_DECIMAL_FLOAT.
551
552 2005-12-16  Steven Bosscher  <stevenb@suse.de>
553
554         * loop-invariant.c (move_loop_invariants): Add missing hunk from
555         the previous patch, to nullify df.
556
557 2005-12-16  Steven Bosscher  <stevenb@suse.de>
558
559         * reorg.c (mostly_true_jump): Clean up code depending on
560         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
561         poor man's branch prediction, instead rely on REG_BR_PROB
562         notes to be available.
563
564 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
565
566         PR rtl-optimization/24899
567         * loop.c (strength_reduce): Don't reduce giv that is not always
568         computable and where add_val or mult_val can trap.
569
570         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
571
572 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
573
574         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
575         names of ms1-16-002 files.
576
577 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
578
579         PR driver/20425
580         * gcc.c (for_each_path): New function.
581         (add_to_obstack, file_at_path): New functions.
582         (struct file_at_path_info, struct add_to_obstack_info): New.
583         (build_search_list): Rewrite using for_each_path.  Constify struct
584         path_prefix pointer.  Add do_multi param.  Adjust all callers.
585         (find_a_file): Similarly, but just change existing param to bool.
586         (putenv_from_prefixes): Add do_multi param, make "paths" const.
587         (do_spec_path): Delete.
588         (struct spec_path_info): New.
589         (spec_path): New function.
590         (do_spec_1): Use for_each_path for %D and %I.
591         (find_file): Adjust for find_a_file changes.
592         (main): Search multilibs for specs.  Print multilib lib path for
593         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
594         (read_specs): Search multilibs for %include and %include_noerr.
595         (is_directory): Remove second string param.  Change last param
596         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
597         check path is a dir.  Update all callers.
598         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
599         * system.h (SMALL_ARG_MAX): Poison.
600         * config.gcc: Don't define SMALL_ARG_MAX.
601         * config.host: Likewise.
602         * config.build: Likewise.
603
604 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
605
606         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
607         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
608         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
609         simplify_logical): Move simplifications that do not require
610         additional infrastructure...
611         * simplify-rtx.c (simplify_unary_operation_1,
612         simplify_binary_operation_1): ... here.
613
614 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
615
616         PR 24823
617         * flow.c (mark_used_dest_regs): New function.
618         (mark_used_regs): Call mark_used_dest_regs.
619
620 2005-12-16  Jeff Law  <law@redhat.com>
621
622         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
623         represent a use and definition of the same SSA_NAME.
624
625 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
626             Janis Johnson  <janis187@us.ibm.com>
627             Ben Elliston  <bje@au.ibm.com>
628
629         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
630         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
631         * target.h (struct gcc_target): Add decimal_float_supported_p.
632         * targhooks.c (default_scalar_mode_supported_p): Handle
633         MODE_DECIMAL_FLOAT.
634         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
635         of inf, nan, finite, isinf and isnan.
636         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
637         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
638         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
639         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
640         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
641         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
642         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
643         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
644         Pedwarn if decimal floating point types are used.  Error if
645         decimal floating point is not supported by the target.
646         (finish_declspecs): Return type from DFP typespec_word.
647         * c-typeck.c (c_common_type): Choose the decimal floating point
648         type with the greater precision when determining a common type.
649         (convert_arguments): Warn if there is a mismatch between argument
650         and prototype for decimal float types.  Warn of conversions with
651         binary float types and of precision narrowing due to prototype.
652         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
653         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
654         (c_token_starts_declspecs): Likewise.
655         (c_parser_attributes): Likewise.
656         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
657         RID_DFLOAT64, RID_DFLOAT128.
658         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
659         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
660         (shorten_compare): Convert DFP/BFP operands to a common type.
661         (c_common_modes_and_builtins): Register built-in decimal float
662         types if the target supports them.
663         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
664         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
665         inf, nan, finite, isinf and isnan builtins.
666         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
667         (builtin_define_float_constants): Assert non-decimal radix.
668         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
669         Call builtin_define_decimal_float_constants for each type.
670         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
671         flags.  Use real_from_string3, which can handle binary or decimal
672         floats.
673         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
674         cts_dfloat64, cts_dfloat128.
675         * tree.c (build_common_tree_nodes_2): Add decimal float types.
676         * tree.h (enum tree_index): Add new enumeration values
677         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
678         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
679         (dfloat32_type_node): New macro.
680         (dfloat64_type_node, dfloat128_type_node): Likewise.
681         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
682         (dfloat128_ptr_type_node): Likewise.
683         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
684         bit decimal floating point types with "df", "dd" and "dl".
685         * c-format.h (enum format_lengths): Add new enumeration values
686         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
687         * c-format.c (printf_length_specs, scanf_length_specs): Add
688         entries for H, D, DD.
689         (print_char_table, scan_char_table): Use new entries.
690         (asm_fprintf_char_table, gcc_diag_char_table,
691         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
692         length arrays.
693         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
694         (DECIMAL64_TYPE_SIZE): Likewise.
695         (DECIMAL128_TYPE_SIZE): Likewise.
696         (TARGET_DEC_EVAL_METHOD): Likewise.
697         * doc/extend.texi (Decimal Float): New node.
698         (Constructing Calls): Document decimal float built-ins.
699         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
700         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
701         * ginclude/decfloat.h: New file.
702
703 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
704
705         * reload.c (find_reloads): Fix comment typo.
706         * recog.h (recog_memoized): Correct comment.
707
708 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
709
710         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
711         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
712         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
713         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
714         * doc/invoke.texi, doc/tm.texi: Fix typos.
715
716 2005-12-16  Ben Elliston  <bje@au.ibm.com>
717
718         * real.c (decimal_quad_format): Correct values for emin, emax.
719
720 2005-12-15  DJ Delorie  <dj@redhat.com>
721
722         * config/m32c/predicates.md (m32c_psi_scale): New.
723         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
724         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
725
726 2005-12-16  Jan Hubicka  <jh@suse.cz>
727
728         PR rtl-optimization/25224
729         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
730         tables.
731
732 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
733             Steven Bosscher <stevenb@suse.de>
734
735         * loop-invariant.c (df): New global variable.
736         (find_defs, check_dependencies, find_invariant_insn, record_uses,
737         find_invariants_bb, find_invariants_body, find_invariants,
738         find_invariants_to_move, move_invariants, free_inv_motion_data,
739         move_single_loop_invariants, move_loop_invariants): Do not pass df in
740         arguments.
741
742 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
743
744         * varasm.c (default_unique_section_1): Use special section
745         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
746
747 2005-12-16  Ben Elliston  <bje@au.ibm.com>
748
749         * doc/invoke.texi (Warning Options): Document -Walways-true being
750         enabled by -Wall.
751
752 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
753
754         PR other/25028
755         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
756         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
757         __floatunditf): Use #error if type sizes don't match requirements
758         of implementation.
759         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
760         as wider floating-point type.  Use #error if type sizes don't
761         match requirements of implementation.  Avoid overflow in computing
762         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
763         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
764         (__floatundisf, __floatundidf): Likewise.
765         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
766         * config/ia64/ia64.c (ia64_init_libfuncs): Use
767         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
768         TFmode-TImode conversions.
769         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
770
771 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
772
773         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
774         Use builtin_define_with_int_value() instead of
775         adding a new check for every new major FreeBSD version.
776
777 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
778
779         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
780
781 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
782
783         * config/arm/predicates.md (call_memory_operand): New.
784         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
785
786 2005-12-15  Andrew Haley  <aph@redhat.com>
787
788         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
789         against prev_cache_entry == NULL when moving a cache entry to the
790         head of the list.
791         
792 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
793
794         * config/mt/mt.c (mt_override_options): Require lower case
795         architectures.  Revert accidental default to ms2.
796         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
797         ENDFILE_SPEC): Require lower case architectures.  Revert default
798         to ms2.
799
800         * doc/invoke.texi (MT Options): Rename and update.
801         * doc/md.texi (MorphoTech family): Rename and update.
802
803 2005-12-15  Olivier Hainque  <hainque@adacore.com>
804
805         * stor-layout.c (layout_type): Don't complain about a too small
806         an array element type size compared to its alignment when the
807         size overflows.
808
809 2005-12-15  Jan Hubicka  <jh@suse.cz>
810
811         PR target/24969
812         * i386.c (classify_argument): Properly adjust offset of bitfield for
813         substructures.
814
815 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
816
817         * final.c (final_scan_insn): Flip in_cold_section_p when changing
818         between the hot and cold sections.  Use current_function_section
819         to get the new section.
820         * dwarf2out.c (output_line_info): Use in_cold_section_p to
821         determine whether we are assembling hot or cold code.
822         (secname_for_decl, dwarf2out_var_location): Likewise.
823         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
824         * varasm.c (last_text_section): Delete.
825         (in_cold_section_p): New variable.
826         (hot_function_section): New function.
827         (current_function_section): Pass in_cold_section_p as the
828         reloc argument to select_section.  Use it to decide between
829         unlikely_function_section and hot_function_section.
830         (assemble_start_function): Use switch_to_section.  Set
831         in_cold_section_p instead of last_text_section.
832         (assemble_end_function): Use switch_to_section.
833         (switch_to_section): Don't set last_text_section.
834         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
835         argument to make the right choice between hot and cold sections.
836
837 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
838
839         Second part of MS1->MT renaming
840         * config/mt/mt.md (doloop_end): Call mt_add_loop.
841         (movqi, movhi): Call mt_set_memflags.
842         (*movdf_internal): Call mt_split_words. 
843         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
844         mt_set_memflags.
845         (cmpsi): Store to mt_compare_op[01].
846         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
847         bungt, bunle, bunlt): Call mt_emit_cbranch.
848         (prologue): Call mt_expand_prologue.
849         (epilogu): Call mt_expend_epilogue.
850         (eh_return): Call mt_expand_eh_return.
851         (eh_epilogue): Call me_emit_eh_epilogue.
852         (conditional_trap): Store to mt_compare_op[01].
853         * config/mt/crti.asm: Adjust comment.
854         * config/mt/crtn.asm: Adjust comment.
855         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
856         (mt_compare_op0, mt_compare_op1): Renamed.
857         (current_frame_info, zero_frame_info): Adjust type.
858         (mt_ucmpsi3_libcall): Renamed.
859         (mt_flag_delayed_branch): Renamed.
860         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
861         (mt_nops_required, mt_nop_reasons): Renamed.
862         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
863         mt_debug_stack, mt_print_operand_simple_address,
864         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
865         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
866         mt_function_arg_advance, mt_arg_partial_bytes,
867         mt_pass_by_reference, mt_function_arg_boundary,
868         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
869         mt_legitimate_address_p): Renamed, adjusted.
870         (mt_cpu): Renamed.
871         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
872         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
873         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
874         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
875         mt_expand_eh_return, mt_emit_eh_prologue,
876         mt_handl_interrupt_attribute): Renamed, adjusted.
877         (mt_attribute_table): Renamed, adjusted.
878         (mt_initial_elimination_offset, mt_generate_compare,
879         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
880         mt_secondary_reload_class, mt_function_value, mt_split_words,
881         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
882         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
883         (mt_labels): Renamed.
884         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
885         mt_machine_reorg): Renamed, adjusted.
886         (mt_attribute_table: Renamed.
887         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
888         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
889         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
890         * config/mt/mt.opt (march): Set mt_cpu_string.
891         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
892         (TARGET_CPU_CPP_BUILTINS): Adjust.
893         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
894         TARGET_MS2): Adjust.
895         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
896         (MT_MIN_INT): Renamed.
897         (RETURN_ADDR_RTX): Adjust.
898         (struct mt_frame_info): Renamed.
899         (current_frame_info): Adjust type.
900         (INITIAL_ELIMINATION_OFFSET): Adjust.
901         (MT_NUM_ARG_REGS): Renamed.
902         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
903         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
904         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
905         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
906         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
907         (mt_compare_op0, mt_compare_op1): Renamed.
908         * config/mt/mt-protos.h: Rename prototypes.
909
910 2005-12-15  Richard Guenther  <rguenther@suse.de>
911
912         * tree-flow.h (okay_component_ref_for_subvars): Remove.
913         (get_ref_base_and_extent): Declare.
914         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
915         (get_ref_base_and_extent): New function.
916         * tree-ssa-alias.c (find_used_portions): Use it.
917         * tree-ssa-structalias.c (get_constraint_for_component_ref):
918         Likewise.
919         * tree-ssa-operands.c (get_expr_operands): Likewise.
920
921 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
922
923         * combine.c: Remove force_to_mode's fourth parameter.
924         (force_to_mode): Do not handle REG.
925         (canon_reg_for_combine): New.
926         (make_field_assignment): Use it where the removed argument was non-NULL.
927
928 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
929
930         PR target/25406
931         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
932         error_mark_node.  Make alignment params unsigned.
933         * config/rs6000/rs6000-protos.h
934         (rs6000_special_round_type_align): Update prototype.
935         (rs6000_machopic_legitimize_pic_address): Remove arg names.
936
937 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
938
939         PR rtl-optimization/25310
940         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
941         of the eliminable register when substituting into a PLUS.
942
943 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
944
945         PR debug/25023
946         * config/i386/i386.c (ix86_force_to_memory): Always use
947         SImode push for HImode in -m32.
948         (ix86_free_from_memory): Likewise.
949
950 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
951
952         * gcc/config/arm/arm.md: Provide a big-endian version of the
953         (zero_extend:SI (subreg:QI ...)) splitter.
954
955 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
956
957         * struct-equiv.c (note_local_live): Handle hard regs with different
958         hard_regno_nregs.
959
960 2005-12-14  Jeff Law  <law@redhat.com>
961
962         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
963         to a structure containing state rather than a pointer to bool.
964         (case ARRAY_REF): New code to handle folding some array references.
965         (case ADDR_EXPR): Note when we are processing expressions found
966         within an ADDRE_EXPR.
967         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
968         for state variables rather than just a pointer to a boolean.
969         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
970         handling of constant string references.
971
972 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
973
974         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
975         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
976         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
977         Move other tst* patterns to retain partial order.
978
979 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
980
981         * config/s390/s390.md ("d0", "1"): New mode attributes.
982         ("<shift>di3", "<shift>si3"): Merge.
983         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
984         ("ashrdi3", "ashrsi3"): Merge.
985         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
986         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
987         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
988         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
989         ("*ashrdi3", "*ashrsi3"): Merge.
990         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
991
992 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
993
994         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
995         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
996         ("*extendqidi2", "*extendqisi2") Merge.
997         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
998         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
999         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1000         Move some patterns to retain partial ordering.
1001
1002 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1003
1004         * config/s390/s390.md ("atype", "length"): Rewrite.
1005         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1006
1007 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1008
1009         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1010
1011 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1012
1013         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1014         PARALLELs with a mode.
1015
1016 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1017
1018         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1019         cond_expr parameter.
1020
1021 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1022
1023         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1024
1025 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1026
1027         PR bootstrap/25397:
1028
1029         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1030         of STACK_REGS bits.
1031
1032         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1033
1034 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1035
1036         PR target/25254
1037         PR target/24188
1038         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1039         DECL_P, call get_section rather than get_named_section.  Supply
1040         section flags to it.
1041
1042 2005-12-14  Ben Elliston  <bje@au.ibm.com>
1043
1044         * c-common.c (c_common_truthvalue_conversion): Generalise warning
1045         for addresses converted to booleans; not just function addresses.
1046         * c-typeck.c (build_binary_op): Warn for address comparisons which
1047         can never be NULL (eg. func == NULL or &var == NULL).
1048         * common.opt (Walways-true): New option.
1049         * c-opts.c (c_common_handle_option): Set it with -Wall.
1050         * doc/invoke.texi: Document it.
1051
1052 2005-12-13  Paul Brook  <paul@codesourcery.com>
1053
1054         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1055         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1056
1057 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1058
1059         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1060         (EXTRA_MULTILIB_PARTS): Define.
1061
1062 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1063
1064         PR rtl-optimization/20070 / part1
1065         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1066         count_or_remove_death_notes with kill == -1.
1067         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1068         registers if PROP_POST_REGSTACK is set.
1069         (mark_used_reg): Likewise.
1070         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1071         REG_UNUSED notes for stack regs.
1072         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1073         to match rtx_equiv_p machinery.  Change caller.
1074         (outgoing_edges_match): Likewise.
1075         (try_crossjump_to_edge): Use struct_equiv_block_eq
1076         instead of flow_find_cross_jump.
1077         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1078         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1079         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1080         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1081         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1082         (insns_match_p): Update prototype.
1083         (flow_find_cross_jump): Remove prototype.
1084         (struct_equiv_block_eq, struct_equiv_init): Declare.
1085         (rtx_equiv_p, condjump_equiv_p): Likewise.
1086         * struct-equiv.c: Include reload.h.
1087         (IMPOSSIBLE_MOVE_FACTOR): Define.
1088         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1089         (struct_equiv_improve_checkpoint): Likewise.
1090         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1091         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1092         (struct_equiv_merge, find_dying_input): Likewise.
1093         (resolve_input_conflict, note_local_live): Likewise.
1094         (death_notes_match_p): Change parameters and processing
1095         to match rtx_equiv_p machinery.  Change caller.
1096         (insns_match_p): Likewise.
1097         (flow_find_cross_jump): Replace with:
1098         (struct_equiv_block_eq).
1099
1100         Back out this change:
1101         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1102           * recog.c (verify_changes): Make it static.
1103           * recog.h: Remove the corresponding prototype.
1104
1105 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1106
1107         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1108         values.
1109
1110 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1111
1112         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1113         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
1114         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1115         TARGET_MS1_64_001 appropriately.
1116         (ms1_machine_reorg): Use TARGET_MS2.
1117
1118 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
1119
1120         PR debug/25023
1121         PR target/25293
1122         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1123         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1124         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1125         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1126         Set mode to SI, adjust constraints.
1127         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1128         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1129         32-bit code.
1130
1131 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
1132
1133         * c-cppbuiltin.c (builtin_define_float_constants): Add
1134         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1135         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1136         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1137         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1138         to "((double)%sL)" otherwise "%s".
1139
1140 2005-12-13  Paul Brook  <paul@codesourcery.com>
1141
1142         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1143         apcs/atpcs.
1144
1145 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1146
1147         * tree-flow.h: Allow compilation with a C++ compiler.
1148         (struct edge_prediction): Prefix all field names  with "ep_".
1149         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1150         (tree_predict_edge, combine_predictions_for_bb): Likewise.
1151         (remove_predictions_associated_with_edge): Likewise.
1152         
1153 2005-12-12  Jeff Law  <law@redhat.com>
1154
1155         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1156         reassociation code.
1157         * passes.c (init_optimization_passes): Run reassociation again
1158         after loop optimizations.
1159
1160 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
1161
1162         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1163         if necessary.
1164         (optimize_stmt): Ditto.
1165         (canonicalize_comparison): New function.
1166         * tree-ssa-operands.c (swap_tree_operands): Make external.
1167         (get_expr_operands): Stop auto-canonicalization.
1168         * tree-ssa-reassoc.c: Rewrite.
1169         (init_optimization_passes): 
1170         * tree-flow.h (swap_tree_operands): Prototype.
1171         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1172
1173 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1174
1175         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1176         indicate function epilogue has been output.
1177         (pa_asm_output_mi_thunk): Likewise.
1178         (output_deferred_plabels): Put plabels in readonly data section when
1179         not generating PIC code.
1180         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1181         information.  Add assert.
1182         (som_output_comdat_data_section_asm_op): New function.
1183         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1184         instead of output_section_asm_op for COMDAT sections.
1185
1186 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
1187
1188         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1189         Fix whitespace in vincinity of to-be-installed changes.
1190         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1191         (insns_match_p): Likewise.
1192
1193 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
1194
1195         * config.gcc (ms1): Replace with ...
1196         (mt): ... this.
1197         * config/ms1: Rename to ...
1198         * config/mt: ... here.  Rename ms1 files to mt.
1199         * config/mt/mt.c: Adjust gt-mt.h #include.
1200         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1201         (crti.o, crtn.o): Adjust file names.
1202
1203 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1204
1205         * varray.h: Allow compilation with a C++ compiler.
1206         (union varray_data_tag): Prefix all field names with "vdt_".
1207         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1208         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1209         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1210         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1211         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1212         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1213         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1214         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
1215         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
1216         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
1217         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
1218         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
1219         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
1220         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1221         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
1222         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
1223         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
1224         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
1225         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
1226         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
1227         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
1228         VARRAY_TOP_TREE_PTR): Likewise.
1229         * varray.c (varray_grow): Likewise.
1230         (varray_clear): Likewise.
1231
1232 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
1233
1234         PR target/25299
1235         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1236         alignment to doubleword if the first field is a double array.
1237         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1238
1239 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1240
1241         * tree-ssa-structalias.c (process_constraint): Remove code to
1242         transform addressofs into scalar.
1243         (create_variable_info_for): In whole-program IPA, globals don't
1244         point to ANYTHING by default.
1245
1246 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1247
1248         * timevar.def (TV_IPA_PTA): New.
1249         * tree-pass.h (pass_ipa_pta): New
1250         * tree-ssa-structalias.c: Include cgraph.h
1251         (in_ipa_mode): New.
1252         (predbitmap_obstack): New.
1253         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1254         (struct constraint_stats): Add num_edges.
1255         (new_var_info): Don't call bitmap_clear.
1256         (struct constraint_edge): Update docs.
1257         (new_constraint_edge): Remove src param.
1258         (struct constraint_graph): Add zero_weight_succs,
1259         zero_weight_preds.  Update docs.
1260         (constraint_expr_equal): Reformat.
1261         (constraint_edge_equal): Update for removal of src.
1262         (constraint_edge_less): Ditto.
1263         (constraint_edge_vec_find): Ditto.
1264         (erase_graph_self_edge): Update for removal of src and and zero
1265         weight bitmap.
1266         (clear_edges_for_node): Ditto.
1267         (add_graph_edge): Ditto.
1268         (get_graph_weights): Ditto.
1269         (allocate_graph_weights): Ditto.
1270         (merge_graph_nodes): Ditto.
1271         (int_add_graph_edge): Ditto.
1272         (valid_graph_edge): Ditto.
1273         (valid_weighted_graph_edge): Ditto.
1274         (build_constraint_graph): Ditto.
1275         (scc_visit): Ditto.
1276         (collapse_nodes): Ditto.
1277         (process_unification_queue): Ditto.
1278         (topo_visit): Ditto.
1279         (solve_graph): Ditto.
1280         (do_structure_copy): Ditto.
1281         (perform_var_substitution): Ditto.
1282         Init and release obstack.
1283         (handle_ptr_arith): Try to resolve directly.
1284         (find_func_aliases): Don't call update_alias_info here
1285         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1286         (do_sd_constraint): Add code for propagating faster.
1287         Update.
1288         (do_ds_constraint): Ditto.
1289         (count_num_arguments): New function.
1290         (create_function_info_for): Ditto.
1291         (create_variable_info_for): Handle FUNCTION_DECL.
1292         (intra_create_variable_infos): Use make_constraint_to_anything.
1293         (init_alias_vars): Init obstacks here.
1294         (need_to_solve): Handle zero weight graph changes.
1295         (compute_points_to_sets): Call update_alias_info here.
1296         (delete_points_to_sets): Free zero weight preds/succs here.
1297         (gate_ipa_pta): New.
1298         (ipa_pta_execute): New
1299
1300 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1301
1302         * tree-ssa-structalias.c (var_anyoffset): Removed.
1303         (anyoffset_tree): Ditto.
1304         (anyoffset_id): Ditto.
1305         (do_deref): Take vector of constraints, no return value.
1306         Update to work on vector.                
1307         (get_constraint_for): Ditto.
1308         (get_constraint_for_component_ref): Ditto.
1309         (do_structure_copy): Ditto.
1310         (handle_ptr_arith): Ditto.
1311         (find_func_aliases): Ditto.
1312         (set_uids_in_ptset): Remove anyoffset handling.
1313         (init_base_vars): Ditto.
1314
1315 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
1316
1317         PR c++/25010
1318         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1319         DECL_EXTERNAL functions have no bodies.  Tidy.
1320
1321 2005-12-10  Andreas Schwab  <schwab@suse.de>
1322
1323         * except.c (switch_to_exception_section): Only define if
1324         TARGET_UNWIND_INFO is not defined.
1325
1326 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1327
1328         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1329         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1330
1331 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1332
1333         * output.h (init_section, fini_section): Delete.
1334         * varasm.c (init_section, fini_section): Delete.
1335         (init_varasm_once): Don't initialize them.
1336         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1337         there are no corresponding varasm.c variables.
1338
1339 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1340
1341         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1342         of EH_FRAME_SECTION_NAME into...
1343         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1344         if it is still null.
1345         * except.c (default_exception_section): Delete, moving most
1346         of the code to...
1347         (switch_to_exception_section): ...this new function.  Set
1348         exception_section if it is still null, then switch to it.
1349         (output_function_exception_table): Use switch_to_exception_section.
1350         * varasm.c (exception_section, eh_frame_section): Update comments.
1351         (get_section): Hoist use of SECTION_NAMED.
1352         (init_varasm_once): Don't set exception_section and eh_frame_section.
1353         * output.h (default_exception_section): Delete.
1354         (default_eh_frame_section): Delete.
1355
1356 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1357
1358         * config/bfin/bfin.c: Include "cgraph.h".
1359         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1360         Return the reg that holds the pointer to the GOT.
1361         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1362         doing stack checking.
1363
1364 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1365
1366         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1367         recompute_tree_invarant_for_addr_expr.
1368         Update uses everywhere.
1369
1370 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1371
1372         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1373         (MULTILIB_DIRNAMES): Define.
1374
1375 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1376
1377         PR target/25311
1378         * config/s390/s390.c (struct s390_address): New field literal_pool.
1379         (s390_decompose_address): Compute literal_pool field.  Do not 
1380         assume register %r13 is always (and solely) used as pool base.
1381         (s390_extra_constraint_str): Use literal_pool field.
1382
1383 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1384
1385         * config/mips/mips.c (override_options): Don't allow too small
1386         integers in FP registers.
1387
1388 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1389
1390         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1391         targetm.binds_local_p to check for local function calls.
1392
1393 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1394
1395         PR debug/24908
1396         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1397         call_used_regs can't be used to save reg in another reg.
1398
1399 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1400             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1401
1402         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1403         abort.
1404         * except.c (output_ttype): Likewise.
1405         * tree-object-size.c (collect_object_sizes_for): Likewise.
1406         (check_for_plus_in_loops_1): Likewise.
1407         (check_for_plus_in_loops): Likewise.
1408         (compute_object_sizes): Use gcc_unreachable instead of abort.
1409
1410 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1411
1412         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1413         (loop_end, loop_init, doloop_end): New insns.
1414         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1415         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1416         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1417         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1418         * config/ms1/ms1.c: #include basic-block.h
1419         (struct machine_function): Add has_loops field.
1420         (ms1_add_loop): New.
1421         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1422         (struct loop_info, struct loop_work): New.
1423         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1424         (ms1_reorg_loops): New loop optimization.
1425         (ms1_machine_reorg): Call it.
1426         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1427
1428 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1429
1430         PR tree-optimization/25248
1431         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1432         evolution_of_loop from the failed attempt.  Remove handling
1433         of MULT_EXPR.
1434
1435 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1436
1437         * tree.h (DECL_EXTERNAL): Clarify documentation.
1438
1439 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1440             Jakub Jelinek  <jakub@redhat.com>
1441
1442         PR target/25268
1443         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1444         argument.  Don't drop outer ANDs.
1445         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1446         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1447         prototype.
1448         * config/s390/predicates.md (setmem_operand): Remove.
1449         (shift_count_operand): Rename to...
1450         (shift_count_or_setmem_operand): ... this.  Adjust
1451         s390_decompose_shift_count caller.
1452         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1453         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1454         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1455         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1456         rotl<mode>3_and, setmem_long_and): New insns.
1457         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1458         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1459         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1460         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1461         of shift_count_operand.
1462         (setmem_long): Use shift_count_or_setmem_operand instead of
1463         setmem_operand.
1464
1465 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1466             Andreas Tobler  <a.tobler@schweiz.ch>
1467
1468         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1469         tr expression.
1470
1471 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1472
1473         * expr.c (force_operand): Use convert_to_mode for conversions.
1474
1475 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1476
1477         * reload.h (reg_equiv_invariant): Declare.
1478         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1479         register also when reg_equiv_invariant[R] is set.
1480
1481 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1482             Andreas Tobler  <a.tobler@schweiz.ch>
1483
1484         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1485
1486 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1487
1488         * tree-ssa-pre.c (bitmap_set_and): New function.
1489         (bitmap_set_and_compl): New function.
1490         (bitmap_set_empty_p): New function.
1491         (insert_extra_phis): New function.
1492         (compute_avail): Use insert_extra_phis.
1493
1494 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1495
1496         * config/s390/s390.c (s390_expand_atomic): New function.
1497         Adjust comment of helper functions.
1498         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1499         * config/s390/s390.md ("ATOMIC"): New code macro.
1500         ("atomic"): Corresponding new code attribute.
1501         ("sync_lock_test_and_set[hq]i", 
1502         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1503
1504 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1505
1506         * config/s390/s390.c (s390_expand_mask_and_shift, 
1507         struct alignment_context, init_alignment_context, 
1508         s390_expand_cs_hqi): New.
1509         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1510         * config/s390/s390.md ("sync_compare_and_swaphi",
1511         "sync_compare_and_swapqi"): New pattern.
1512
1513 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1514
1515         Fix PR tree-optimization/25291
1516         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1517         redundant and crashing check.
1518
1519 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1520
1521         PR target/25212
1522         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1523         tests further when !strict && reload_in_progress.
1524         (print_operand): Check that both operands of indexed address are regs.
1525         (print_operand_address): Likewise.
1526         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1527         (INT_REG_OK_FOR_BASE_P): Correct.
1528
1529 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1530
1531         Preparation for PR rtl-optimization/20070 / part1
1532         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1533         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1534         outgoing_edges_match.
1535         (outgoing_edges_match): Use condjump_equiv_p.
1536         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1537         into..
1538         * struct-equiv.c: New file.
1539         (death_notes_match_p) New function, broken out of insns_match_p.
1540         * Makefile.in (OBJS-common): Add struct-equiv.o.
1541         (struct-equiv.o): New target.
1542
1543 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1544
1545         * coretypes.h: Revert previous change.
1546         * config/darwin.h: Revert previous reversion.
1547         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1548
1549 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1550
1551         * coretypes.h (section): Provide dummy definition for target files.
1552         * config/darwin.h: Revert previous change.
1553
1554 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1555
1556         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1557         * configure.ac: Remove all.build and install-normal from target_list
1558         * configure: Regenerate.
1559         * Makefile.in (install): Don't depend on install-normal.
1560
1561 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1562
1563         * Makefile.in: Document the use of stamps.
1564
1565 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1566
1567         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1568         * Makefile.in: Add code to compute some dependencies on s-gtype
1569         automatically.  Remove the declaration of those dependencies.
1570
1571 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1572
1573         * gcc/reload.c (push_secondary_reload): Fix typo:
1574         s/insn_constraint/scratch_constraint/.
1575
1576 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1577
1578         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1579
1580 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1581
1582         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1583         (alpha_elf_select_rtx_section): Return the selected section rather
1584         than emitting assembly code.
1585         (alpha_write_linkage): Emit a ".link" directive directly and then
1586         set in_section to NULL.
1587         (vms_asm_out_constructor): Use switch_to_section.
1588         (vms_asm_out_destructor): Likewise.
1589         (unicosmk_output_common): Set in_section to NULL instead of calling
1590         the dummy common_section function.
1591         (unicosmk_text_section): Delete in favor of...
1592         (unicosmk_output_text_section_asm_op): ...this new function.
1593         (unicosmk_data_section): Delete in favor of...
1594         (unicosmk_output_data_section_asm_op): ...this new function.
1595         (unicosmk_init_sections): New function.
1596         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1597         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1598         the dummy ssib_section function.
1599         (unicosmk_section_buf): Delete.
1600         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1601         (unicosmk_data_section): Delete.
1602         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1603         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1604         (SECTION_FUNCTION_TEMPLATE): Delete.
1605         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1606         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1607         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1608         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1609         (TARGET_ASM_INIT_SECTIONS): Define.
1610         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1611         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1612         (link_section, literals_section): Delete.
1613         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1614         set in_section to NULL.
1615
1616         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1617         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1618         (COMMON_SECTION): Delete.
1619         (TARGET_ASM_INIT_SECTIONS): Define.
1620         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1621         the dummy common_section function.
1622         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1623         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1624         between readonly_data_section and text_section to check whether
1625         read-only data is being put in the text section.
1626         (arm_output_function_epilogue): Use switch_to_section.
1627         (arm_elf_asm_constructor): Likewise.
1628         (thumb_call_via_reg): Replace call to in_text_section with
1629         a comparison between in_section and text_section.
1630         (arm_file_end): Use switch_to_section.
1631         (aof_text_section): Delete in favor of...
1632         (aof_output_text_section_asm_op): ...this new function.
1633         (aof_data_section): Delete in favor of...
1634         (aof_output_data_section_asm_op): ...this new function.
1635         (aof_asm_init_sections): New function.
1636         (zero_init_section): Moved from config/arm/aof.h.
1637         (aof_dump_imports, aof_file_start): Use switch_to_section.
1638         * config/arm/arm.h (thumb_call_via_label): Update comment.
1639         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1640         (common_section): Delete.
1641         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1642         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1643         global switch_to_section function instead of the old port-local one.
1644         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1645         (SWITCH_TO_SECTION_FUNCTION): Delete.
1646         (drectve_section): Redefine as a macro.
1647         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1648         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1649         switch_to_section.
1650
1651         * config/avr/avr.c (progmem_section): New variable.
1652         (avr_output_progmem_section_asm_op): New function.
1653         (avr_asm_init_sections): New function.
1654         (avr_output_addr_vec_elt): Use switch_to_section.
1655         * config/avr/avr.h (progmem_section): Declare.
1656         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1657         (READONLY_DATA_SECTION): Delete.
1658         (TARGET_ASM_INIT_SECTIONS): Define.
1659         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1660         * config/avr/avr-protos.h (progmem_section): Delete.
1661
1662         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1663
1664         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1665         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1666
1667         * config/darwin-sections.def: New file.
1668         * config/darwin.c: Define all sections in darwin-sections.def.
1669         (output_objc_section_asm_op, darwin_init_sections): New functions.
1670         (machopic_output_indirection): Use switch_to_section.
1671         (machopic_select_section): Return the selected section rather than
1672         emitting assembly code.  Replace the static function table with
1673         inline conditional expressions.  Update the tests of last_text_section
1674         and move them into the FUNCTION_DECL block.
1675         (machopic_select_rtx_section): Return the selected section rather than
1676         emitting assembly code.
1677         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1678         (darwin_file_end): Use switch_to_section.
1679         * config/darwin.h: Use darwin-sections.def to declare sections.
1680         (INIT_SECTION_ASM_OP): Remove empty definition.
1681         (HAS_INIT_SECTION): Define this instead.
1682         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1683         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1684         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1685         (TARGET_ASM_INIT_SECTIONS): Define.
1686         * config/darwin-protos.h (darwin_init_sections): Declare.
1687         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1688         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1689         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1690         (constructor_section, destructor_section, mod_init_section): Delete.
1691         (mod_term_section): Delete.
1692         (darwin_exception_section, darwin_eh_frame_section): Delete.
1693         (machopic_select_section): Return a section.
1694         (machopic_select_rtx_section): Likewise.
1695         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1696         (const_section, const_coal_section, const_data_section): Delete.
1697         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1698         (literal4_section, literal8_section, constructor_section): Delete.
1699         (mod_init_section, mod_term_section, destructor_section): Delete.
1700         (objc_class_section, objc_meta_class_section, objc_category_section)
1701         (objc_class_vars_section, objc_instance_vars_section): Delete.
1702         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1703         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1704         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1705         (objc_symbols_section, objc_module_info_section): Delete.
1706         (objc_image_info_section, objc_protocol_section): Delete.
1707         (objc_string_object_section, objc_constant_string_object_section)
1708         (objc_class_names_section, objc_meth_var_names_section): Delete.
1709         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1710         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1711         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1712         (darwin_exception_section, darwin_eh_frame_section): Delete.
1713         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1714
1715         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1716         (frv_asm_out_destructor): Likewise.
1717         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1718         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1719         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1720         get_named_section.
1721         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1722         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1723         (data_section): Delete.
1724
1725         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1726         (DRECTVE_SECTION_FUNCTION): Delete.
1727         (drectve_section): Redefine as a macro that sets in_section after
1728         emitting the directive.
1729         (SWITCH_TO_SECTION_FUNCTION): Delete.
1730         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1731         in_text_section with comparison between in_section and text_section.
1732         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1733         rather than emitting assembly code.  Use get_named_section.
1734         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1735         get_named_section.
1736         (machopic_output_stub): Use switch_to_section.
1737         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1738         (nwld_named_section_asm_out_destructor): Use get_section and
1739         switch_to_section.
1740
1741         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1742         rather than emitting assembly code.
1743         (ia64_rwreloc_select_section): Likewise.
1744         (ia64_rwreloc_select_rtx_section): Likewise.
1745         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1746         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1747         switch_to_section.
1748         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1749         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1750
1751         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1752         section rather than emitting assembly code.
1753         (iq2000_select_section): Likewise.
1754         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1755         (sbss_section): Delete.
1756
1757         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1758         and get_named_section.
1759         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1760
1761         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1762         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1763         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1764         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1765         in_section to NULL.
1766         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1767         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1768         global switch_to_section function instead of the old port-local one.
1769         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1770         (SWITCH_SECTION_FUNCTION): Delete.
1771         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1772         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1773         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1774         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1775         in_section to NULL.
1776         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1777         global switch_to_section function instead of the old port-local one.
1778         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1779
1780         * config/mips/mips.c (mips_file_start): Update comment.
1781         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1782         (mips_output_aligned_decl_common): Use switch_to_section.
1783         (mips_select_rtx_section): Return the section rather than emitting
1784         assembly code.  Use get_named_section.
1785         (mips_function_rodata_section: Likewise get_section.
1786         (build_mips16_function_stub): Use switch_to_section.
1787         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1788         (SDATA_SECTION_ASM_OP): Delete.
1789         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1790         (EXTRA_SECTION_FUNCTIONS): Delete.
1791
1792         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1793         (mmix_asm_output_aligned_local): Use switch_to_section.
1794
1795         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1796         (som_one_only_readonly_data_section): New variables.
1797         (pa_output_function_epilogue): Set in_section to NULL instead of
1798         calling forget_section.
1799         (output_deferred_plabels): Use select_section.
1800         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1801         of calling forget_section.
1802         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1803         (pa_asm_output_aligned_local): Use select_section.
1804         (som_text_section_asm_op): Delete in favor of...
1805         (som_output_text_section_asm_op): ...this new function.
1806         (pa_som_asm_init_sections): New function.
1807         (pa_select_section): Return the section rather than emitting
1808         assembly code.
1809         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1810         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1811         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1812         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1813         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1814         (som_readonly_data_section, som_one_only_readonly_data_section)
1815         (som_one_only_data_section, forget_section): Delete.
1816         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1817         (TARGET_ASM_INIT_SECTIONS): Define.
1818         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1819
1820         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1821         (private_data_section, read_only_private_data_section): New variables.
1822         (sdata2_section, toc_section): New variables.
1823         (rs6000_file_start): Use switch_to_section.
1824         (rs6000_assemble_integer): Use comparisons against in_section
1825         instead of calling in_toc_section and in_text_section.  Use
1826         unlikely_text_section_p.
1827         (rs6000_elf_output_toc_section_asm_op): New function, derived
1828         from the old rs6000/sysv4.h toc_section function.
1829         (rs6000_elf_asm_init_sections): New function.
1830         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1831         the section rather than emitting assembly code.
1832         (machopic_output_stub): Use switch_to_section.
1833         (toc_section): Delete dummy function.
1834         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1835         switch_to_section and get_section.
1836         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1837         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1838         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1839         the old rs6000/xcoff.h toc_section function.
1840         (rs6000_xcoff_asm_init_sections): New function.
1841         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1842         the section rather than emitting assembly code.
1843         (rs6000_xcoff_file_start): Use switch_to_section.
1844         (rs6000_xcoff_file_end): Likewise.
1845         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1846         (sdata2_section, sbss_section, private_data_section): Delete.
1847         (read_only_data_section, read_only_private_data_section): Delete.
1848         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1849         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1850         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1851         (FINI_SECTION_FUNCTION): Delete.
1852         (TARGET_ASM_INIT_SECTIONS): Define.
1853         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1854         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1855         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1856         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1857         (READONLY_DATA_SECTION): Delete.
1858         (TARGET_ASM_INIT_SECTIONS): Define.
1859         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1860         to NULL rather than no_section.
1861         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1862
1863         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1864
1865         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1866         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1867         from call to current_function_section.
1868
1869         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1870         (bss100_section): New variable.
1871         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1872         (xstormy16_asm_init_sections): New function.
1873         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1874         switch_to_section and get_section.
1875         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1876         from calls to current_function_section.
1877         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1878         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1879         (TARGET_ASM_INIT_SECTIONS): Define.
1880         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1881
1882         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1883         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1884         (FINI_SECTION_FUNCTION): Delete.
1885
1886         * config/v850/v850.c: Include gt-v850.h.
1887         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1888         (zbss_section): New variables.
1889         (v850_output_aligned_bss): Use switch_to_section.
1890         (v850_asm_init_sections): New function.
1891         (v850_select_section): Return the section rather than emitting
1892         assembly code.
1893         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1894         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1895         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1896         (TARGET_ASM_INIT_SECTIONS): Define.
1897         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1898         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1899         (zbss_section): Delete.
1900
1901         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1902
1903         * config/vx-common.h (vxworks_exception_section): Delete.
1904         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1905
1906         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1907         section rather than emitting assembly code.
1908         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1909         switch_to_section.
1910
1911         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1912         * coretypes.h (section): New union and typedef.
1913         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1914         from call to current_function_section.
1915         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1916         (dbxout_symbol_location): Use switch_to_section.
1917         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1918         most of the code into...
1919         (default_eh_frame_section): ...here.  Return a section.
1920         (collect2_eh_frame_section): Delete, moving most of the code into..
1921         (switch_to_eh_frame_section): ...this new function.
1922         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1923         (debug_macinfo_section, debug_line_section, debug_loc_section)
1924         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1925         variables.
1926         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1927         eh_frame_section.  Use switch_to_section and get_section.
1928         (dwarf2out_begin_prologue): Use switch_to_section.
1929         (AT_string_form): Check the flags in debug_str_section instead of
1930         DEBUG_STR_SECTION_FLAGS.
1931         (output_comp_unit): Use switch_to_section, get_section, and
1932         debug_info_section.
1933         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1934         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1935         from call to current_function_section.
1936         (dwarf2out_var_location): Use unlikely_text_section_p.
1937         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1938         from call to current_function_section.
1939         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1940         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1941         debug_macinfo_section.
1942         (dwarf2out_init): Initialize the new section variables.  Use them
1943         instead of calls to named_section_flags.  Use switch_to_section.
1944         (output_indirect_string): Use switch_to_section and debug_str_section.
1945         (dwarf2out_finish): Use switch_to_section and the new section
1946         variables.
1947         * except.c (default_exception_section): Return the section instead
1948         of emitting assembly code.
1949         (output_function_exception_table): Use the global exception_section
1950         variable instead of the target hook.  Use switch_to_section.  Remove
1951         argument from call to current_function_section.
1952         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1953         (shorten_branches): Use pointer comparisons to detect whether the
1954         text section is the same as readonly_data_section.
1955         (profile_function): Use switch_to_section.  Remove argument from
1956         call to current_function_section.
1957         (final_scan_insn): Likewise.  Update use of last_text_section.
1958         * gengtype.c (open_base_files): Add an include of output.h.
1959         * output.h (text_section, data_section, readonly_data_section)
1960         (ctors_section, dtors_section, bss_section, init_section)
1961         (fini_section, sdata_section): Turn into section pointers.
1962         (in_text_section, in_unlikely_text_section, exports_section)
1963         (drectve_section, named_section, mergeable_string_section)
1964         (last_text_section_name): Delete.
1965         (default_exception_section, default_eh_frame_section): Return sections.
1966         (SECTION_DECLARED, SECTION_NAMED): New macros.
1967         (SECTION_MACH_DEP): Bump value.
1968         (section_common, named_section, unnamed_section): New structures.
1969         (unnamed_section_callback): New typedef.
1970         (section): New union.
1971         (sbss_section, exception_section, eh_frame_section): New variables.
1972         (in_section, last_text_section): Turn into section pointers.
1973         (get_unnamed_section, get_section, get_named_section): New functions.
1974         (mergeable_constant_section, function_section): Return a section.
1975         (unlikely_text_section): Likewise.
1976         (current_function_section): Likewise.  Remove the decl argument.
1977         (unlikely_text_section_p, switch_to_section): New functions.
1978         (output_section_asm_op): New function.
1979         (set_named_section_flags, named_section_flags, named_section_real)
1980         (named_section_first_declaration): Delete.
1981         (default_select_section, default_elf_select_section): Return a section.
1982         (default_elf_select_section_1, default_function_rodata_section)
1983         (default_no_function_rodata_section, default_select_rtx_section)
1984         (default_elf_select_rtx_section): Likewise.
1985         * rtl.h (in_data_section): Delete.
1986         * sdbout.c (sdbout_one_type): Use switch_to_section.
1987         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1988         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1989         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1990         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1991         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1992         (TARGET_ASM_OUT): Update after above changes.
1993         * target.h (init_sections): New hook.
1994         (exception_section, eh_frame_section): Delete.
1995         (select_section, select_rtx_section, function_rodata_section): Return
1996         a section rather than emitting assembly code.
1997         * varasm.c (text_section, data_section, readonly_data_section)
1998         (ctors_section, dtors_section, bss_section, init_section)
1999         (fini_section): Turn into section pointers.
2000         (sdata_section, sbss_section, exception_section): New variables.
2001         (eh_frame_section): New variable.
2002         (in_section): Make global and turn into a section pointer.
2003         (last_text_section): Turn into a section pointer.
2004         (unnamed_sections): New variable.
2005         (in_named_name, last_text_section_name): Delete.
2006         (EXTRA_SECTION_FUNCTIONS): Delete.
2007         (in_named_entry): Delete.
2008         (section_htab): New variable, replacing...
2009         (in_named_htab): ...this deleted variable.
2010         (section_entry_eq, section_entry_hash): New functions, based on...
2011         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2012         (get_unnamed_section, get_section): New functions.
2013         (unlikely_text_section): Return a section instead of emitting
2014         assembly code.
2015         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2016         (get_named_section_flags, named_section_first_declaration): Delete.
2017         (unlikely_text_section_p): New function.
2018         (named_section_real, named_section): Delete.
2019         (get_named_section): New function.
2020         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2021         (function_section): Return a section rather than emitting
2022         assembly code.
2023         (current_function_section): Likewise.  Remove argument.  Use
2024         last_text_section if nonnull, otherwise use function_section.
2025         (default_function_rodata_section): Return a section rather than
2026         emitting assembly code.  Use get_section.
2027         (default_no_function_rodata_section): Return a section rather than
2028         emitting assembly code.
2029         (variable_section): Use switch_to_section and get_named_section.
2030         (mergeable_string_section): Return a section rather than emitting
2031         assembly code.  Use get_section.  Make static.  Don't take special
2032         countermeasures for empty strings.
2033         (mergeable_constant_section): Return a section rather than emitting
2034         assembly code.  Use get_section.
2035         (default_named_section_asm_out_destructor): Use switch_to_section
2036         and get_section.
2037         (default_dtor_section_asm_out_destructor): Use switch_to_section.
2038         (default_named_section_asm_out_constructor): Use switch_to_section
2039         and get_section.
2040         (default_ctor_section_asm_out_constructor): Use switch_to_section.
2041         (assemble_start_function): Likewise.  Set last_text_section to
2042         NULL rather than no_section.  Change the type of save_section.
2043         (assemble_zeros, assemble_variable): Use the section flags to detect
2044         whether or not a section is text.
2045         (assemble_static_space): Use switch_to_section.
2046         (assemble_trampoline_template): Likewise.
2047         (output_constant_def_contents): Use switch_to_section and
2048         get_named_section.
2049         (output_constant_pool_1): Use switch_to_section.  Use the section
2050         flags to see whether sections contain mergeable data.
2051         (init_varasm_once): Initialize section_htab instead of in_named_htab.
2052         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
2053         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2054         whether a section has already been declared.
2055         (default_select_section, default_elf_select_section): Return a
2056         section rather than emitting assembly code.
2057         (default_elf_select_section_1): Likewise.  Use bss_section for
2058         SECCAT_BSS if nonnull.  Use get_named_section.
2059         (default_select_rtx_section): Return a section rather than
2060         emitting assembly code.
2061         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
2062         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2063         (output_section_asm_op, switch_to_section): New functions.
2064         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2065         get_named_section.
2066
2067         * doc/tm.texi: Expand the introduction to the sections documentation.
2068         (TRAMPOLINE_SECTION): Document new interface.
2069         (SDATA_SECTION_ASM_OP): Document new macro.
2070         (READONLY_DATA_SECTION): Delete.
2071         (SDATA_SECTION_ASM_OP): Document new macro.
2072         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2073         (TARGET_ASM_INIT_SECTIONS): Document new hook.
2074         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2075         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2076         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2077
2078 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
2079
2080         * gcc.c (init_gcc_specs): Match braces inside conditionally
2081         compiled strings.
2082
2083 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
2084
2085         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2086
2087 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
2088
2089         PR C++/24138
2090         * tree.c (integer_all_onesp): Always return true if all bits on.
2091
2092         * testsuite/g++.dg/init/array0.C: New.
2093
2094 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
2095
2096         * doc/md.texi: Adapt to implementation.
2097
2098 2005-12-06  Andreas Schwab  <schwab@suse.de>
2099
2100         * opts.c (decode_options): Fix typo in message.
2101
2102 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
2103
2104         PR other/13873
2105         * longlong.h: Merge PPC tests from upstream.
2106
2107 2005-12-06  Richard Guenther  <rguenther@suse.de>
2108
2109         * fold-const.c (fold_convert): Do not build and fold
2110         CONVERT_EXPR, but always use NOP_EXPR.
2111
2112 2005-12-06  Jan Beulich  <jbeulich@novell.com>
2113
2114         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2115         __builtin_ia32_paddq and __builtin_ia32_subq.
2116         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2117         __builtin_ia32_pshufw.
2118         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2119
2120 2005-12-05  James E Wilson  <wilson@specifix.com>
2121
2122         PR target/24934
2123         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2124         is set.
2125
2126 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
2127         
2128         * print-tree.c (print_node): Ditto.
2129         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2130         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2131         before accessing DECL_ARTIFICIAL. 
2132         Handle new tag tree codes.
2133         * tree-flow-inline.h (clear_call_clobbered): Update for tag
2134         changes.
2135         (unmodifiable_var_p): Ditto.
2136         * tree-flow.h (mem_tag_kind): Remove.
2137         (struct var_ann_d): Remove mem_tag_kind member.
2138         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2139         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2140         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2141         (group_aliases): Ditto.
2142         (setup_pointers_and_addressables): Ditto.
2143         (is_escape_site): Ditto.                                          
2144         (may_alias_p): Ditto.
2145         (create_tag_raw): New function.
2146         (create_memory_tag): Use it.
2147         (dump_alias_info): Update for tags.
2148         (may_be_aliased): Ditto.
2149         (add_type_alias): Ditto.
2150         (new_type_alias): Ditto.
2151         (create_sft): Ditto.
2152         (create_structure_vars): Ditto.
2153         * tree-ssa-ccp.c (get_default_value): Ditto.
2154         * tree-ssa-operands.c (get_expr_operands): Ditto.
2155         (add_stmt_operand): Ditto.
2156         (add_call_clobber_ops): Remove duplicated condition.
2157         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2158         tags.
2159         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2160         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2161         * tree.c (init_ttree): Update structures for new tree codes.
2162         (tree_code_size): Update sizes for new tree codes.
2163         (make_node_stat): Don't try to set common things on minimal
2164         structures.
2165         (tree_node_structure): Update for tags.
2166         (is_global_var): Ditto.
2167         * tree.def: Add new tree codes.
2168         * tree.h (MTAG_P): New macro.
2169         (TREE_MEMORY_TAG_CHECK): Ditto.
2170         (SSA_VAR_P): Update for tags.
2171         (struct tree_memory_tag): New structure.
2172         (MTAG_GLOBAL): New macro.
2173         (union tree_node): Add memory tag member.
2174         * treestruct.def (TS_MEMORY_TAG): New.
2175         
2176 2005-12-05  Dale Johannesen  <dalej@apple.com>
2177
2178         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
2179         what was approved (PR 24323).
2180
2181 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2182
2183         * doc/c-tree.texi (Function Bodies): Remove description of
2184         RETURN_INIT.
2185
2186 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
2187
2188         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2189         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2190         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2191         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2192         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2193         __divxc3): Document.
2194
2195 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
2196
2197         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2198         previous behaviour.
2199         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2200         hook_bool_void_false.
2201         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2202         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2203
2204         * config/darwin.c (machopic_select_section): It's not defined
2205         as weak if it's only marked as weak_import.
2206         
2207         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2208         Prototype.
2209
2210         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2211         A hidden weak object does bind locally.  Strong linkonce data
2212         counts like any other strong symbol for binding.
2213         (weak_finish_1): Don't specially handle weakrefs, they no longer
2214         arrive here.
2215         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2216         * c-common.c (handle_alias_attribute): Allow static aliases
2217         of variables.
2218         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2219         * gthr-dce.h: Make weakrefs static.
2220         * gthr-tpf.h: Likewise.
2221         * gthr-solaris.h: Likewise.
2222         * gthr-posix.h: Likewise.
2223         * gthr-posix95.h: Likewise.
2224         * config/darwin.c (darwin_encode_section_info): static weakref
2225         variables are not necessarily defined in this translation unit.
2226         * doc/extend.texi (Function Attributes): Mention that an alias
2227         attribute creates a definition for the thing it's attached to.
2228         Change the documentation for weakref to say that the thing
2229         it's attached to must be static.
2230
2231         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2232         we don't go into an infinite loop.
2233
2234 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
2235
2236         * config/rs6000/predicates.md (logical_const_operand): Split
2237         out of logical_operand.
2238         (logical_operand): Use it.
2239         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2240         logical_const_operand.
2241
2242 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2243
2244         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2245         and IX86_BUILTIN_CMPNESS.
2246         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2247         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2248         * config/i386/i386.md (movti_internal): Correct type attribute.
2249         Simplify mode attribute.
2250         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2251         Correct type attribute.
2252         (absxf2): Correct operator.
2253         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2254         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2255         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2256         mode attribute.
2257         (sse2_vmsqrtv2df2): Correct mode attribute.
2258
2259 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2260
2261         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2262         16 bits. Provide insn pattern for this case.
2263
2264 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2265
2266         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2267         result.
2268         (__popcountDI2): Likewise.
2269
2270 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2271
2272         PR target/25166
2273         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2274         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2275         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2276         functions.
2277
2278 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2279
2280         * c-typeck.c (null_pointer_constant_p): New function.
2281         (build_conditional_expr, build_c_cast, convert_for_assignment,
2282         build_binary_op): Use it.
2283
2284 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2285
2286         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2287         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2288         CONVERT_EXPR.
2289         (check_function_arguments_recurse): Allow both NOP_EXPR and
2290         CONVERT_EXPR but check conversions preserve precision.
2291         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2292         but check conversions preserve precision.
2293         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2294         default case.
2295
2296 2005-12-04  Roger Sayle  <roger@eyesopen.com>
2297
2298         PR c/7776
2299         * common.opt (Wstring-literal-comparison): New command line option.
2300         * c-opts.c (c_common_handle_option): Set it with -Wall.
2301         * c-typeck.c (parser_build_binary_op): Issue warning if either
2302         operand of a comparison operator is a string literal, except for
2303         testing equality or inequality against NULL.
2304
2305         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2306
2307 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2308
2309         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2310         of building a NOP_EXPR.
2311         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2312         NOP_EXPR.
2313         * c-convert.c (convert): Use fold_convert instead of building
2314         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2315         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2316         #if 0 code.
2317         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2318         NOP_EXPR the same as CONVERT_EXPR.
2319         * c-typeck.c (build_function_call): Use fold_convert instead of
2320         building a NOP_EXPR directly.
2321         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2322
2323 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2324
2325         PR rtl-optimization/25197
2326         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2327         have a reg.
2328
2329 2005-12-02  Stuart Hastings  <stuart@apple.com>
2330
2331         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2332         warning.
2333
2334 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2335
2336         * c-typeck.c (default_function_array_conversion,
2337         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2338         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2339         orig_op2.  Don't check them for NOP_EXPR.
2340         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2341         around integer zero.
2342
2343 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2344
2345         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2346         toc_save_offset, toc_size, lr_size.
2347         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2348         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2349         Adjust for removal of unused rs6000_stack_t fields.
2350         (debug_stack_info): Adjust.
2351         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2352         first, and don't bother checking for set/inc of lr on sibcalls.
2353         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2354
2355 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2356
2357         PR target/25199
2358         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2359         5 if operand 1 is not aligned.  Undo previous constraint change.
2360         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2361
2362 2005-12-02  Richard Guenther  <rguenther@suse.de>
2363
2364         * tree.h (build): Remove prototype.
2365         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2366         * tree.c (build): Remove.
2367         (build0_stat): Update comment.
2368
2369 2005-12-02  Richard Guenther  <rguenther@suse.de>
2370
2371         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2372         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2373         Likewise.
2374         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2375         maybe_fold_offset_to_component_ref): Likewise.
2376         * tree-ssa-dom.c (thread_across_edge,
2377         simplify_rhs_and_lookup_avail_expr,
2378         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2379         Likewise.
2380         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2381         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2382         lower_try_finally_switch): Likewise.
2383         * tree-if-conv.c (add_to_dst_predicate_list,
2384         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2385         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2386         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2387         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2388         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2389         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2390         gimplify_init_ctor_eval, gimplify_init_constructor,
2391         gimplify_variable_sized_compare, gimplify_boolean_expr,
2392         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2393         gimplify_expr, gimplify_body, gimplify_function_tree,
2394         force_gimple_operand): Likewise.
2395         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2396         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2397         mx_register_decls): Likewise.
2398         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2399         get_frame_field, finalize_nesting_tree_1): Likewise.
2400         * tree-inline.c (setup_one_parameter): Likewise.
2401         * tree-vect-transform.c (vectorizable_condition): Likewise.
2402         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2403         Likewise.
2404         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2405         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2406         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2407         * tree-chrec.h (build_polynomial_chrec): Likewise.
2408
2409 2005-12-02  Richard Guenther  <rguenther@suse.de>
2410
2411         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2412         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2413         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2414         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2415         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2416         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2417         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2418         Likewise.
2419         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2420         sh_adjust_unroll_max): Likewise.
2421         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2422         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2423         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2424         Likewise.
2425         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2426         Likewise.
2427         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2428         Likewise.
2429
2430 2005-12-02  Richard Guenther  <rguenther@suse.de>
2431
2432         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2433         simplify_cond_using_ranges): Use buildN instead of build.
2434         * tree-tailcall.c (adjust_accumulator_values,
2435         adjust_return_value): Likewise.
2436         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2437         generate_element_copy, generate_element_zero,
2438         generate_one_element_init): Likewise.
2439         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2440         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2441         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2442         perfect_nestify): Likewise.
2443
2444 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2445
2446         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2447
2448 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2449
2450         * ggc.h (GGC_RESIZEVEC): New.
2451
2452 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2453
2454         * gcc.c (execute): Improve readability.
2455
2456 2005-12-02  Richard Guenther  <rguenther@suse.de>
2457
2458         * tree-cfg.c (mark_used_vars): New function.
2459         (dump_function_to_file): Dump only used VAR_DECLs.
2460
2461 2005-12-02  Richard Guenther  <rguenther@suse.de>
2462
2463         * convert.c (convert_to_integer): Fix compare for nonpositive
2464         constant to use tree_int_cst_sgn <= 0.
2465
2466 2005-12-02  Richard Guenther  <rguenther@suse.de>
2467
2468         * convert.c (convert_to_integer): Use fold_convert instead
2469         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2470         instead of comparing against 0.  Use build_int_cst instead
2471         of converting integer_zero_node.
2472
2473 2005-12-02  Richard Guenther  <rguenther@suse.de>
2474
2475         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2476         and RROTATE_EXPR.
2477  
2478 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2479
2480         PR target/21017
2481         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2482         rotates.
2483
2484 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2485
2486         PR middle-end/25176
2487         * function.c (expand_function_end): Emit blockage for unwinder
2488         after return label.
2489
2490 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2491
2492         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2493         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2494         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2495         integer constant comparisons.
2496
2497 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2498             Janis Johnson  <janis187@us.ibm.com>
2499             David Edelsohn  <dje@watson.ibm.com>
2500             Ben Elliston  <bje@au.ibm.com>
2501
2502         * dfp.h, dfp.c: New files.
2503         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2504         (DECNUM_H): Likewise.
2505         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2506         (INCLUDES): Append $(DECNUMINC).
2507         (OBJS-common): Add dfp.o.
2508         (dfp.o): New rule.
2509         * real.h (EXP_BITS): Pinch one bit to ..
2510         (struct real_value): Add decimal field.
2511         (real_format): Change table size, update documentation.
2512         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2513         (real_from_string3): Declare.
2514         (decimal_single_format): Declare.
2515         (decimal_double_format): Declare.
2516         (decimal_quad_format): Declare.
2517         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2518         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2519         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2520         * real.c: Include dfp.h.
2521         (normalize): Early return for decimal floats.
2522         (do_add): Zero decimal field.
2523         (do_compare): Call do_decimal_compare for decimal floats.
2524         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2525         (real_arithmetic): Call decimal_real_arithmetic for decimal
2526         floating point operands.
2527         (real_identical): If a and b are of differing radix, return false.
2528         (real_to_integer): Call decimal_real_to_integer if the value is a
2529         decimal float.
2530         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2531         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2532         (real_to_hexadecimal): Place "N/A" in the return string for
2533         decimal float.
2534         (real_from_string3): New variant, given a mode.
2535         (real_maxval): Use decimal_real_maxval for decimal floats.
2536         (round_for_format): Use decimal_round_for_format for decimals.
2537         (real_convert): Use decimal_real_convert where appropriate.
2538         (significand_size): Handle base 10.
2539         (encode_decimal_single, decode_decimal_single,
2540         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2541         decode_decimal_quad): New functions.
2542         (decimal_single_format): New.
2543         (decimal_double_format): New.
2544         (decimal_quad_format): New.
2545         * machmode.def: Add SD, DD and TD decimal floating point modes.
2546         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2547         Include MODE_DECIMAL_FLOAT.
2548         (DECIMAL_FLOAT_MODE_P): New.
2549         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2550         * genmodes.c (struct mode_data): Add counter field.
2551         (struct mode_data): Update comment for format.
2552         (blank_mode): Initialise counter field.
2553         (new_mode): Increment counter field for each mode defined.
2554         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2555         using a format.
2556         (make_complex_modes): Handle modes containing `D'.
2557         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2558         (make_decimal_float_mode): New.
2559         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2560         (cmp_modes): Compare counter field if other characteristics
2561         similar.
2562         (emit_real_format_for_mode): Support formats for decimal floats.
2563         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2564         Document MODE_DECIMAL_FLOAT.
2565
2566 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2567
2568         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2569         Delete dead code.
2570
2571 2005-12-01  Richard Henderson  <rth@redhat.com>
2572
2573         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2574
2575 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2576
2577         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2578
2579         * config/pa/pa.c (pa_init_builtins): If we detect
2580         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2581         putc_unlocked.
2582
2583 2005-12-01  Richard Guenther  <rguenther@suse.de>
2584
2585         * fold-const.c (fold_binary): Use fold_build2, not
2586         fold (build (...)).
2587
2588 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2589
2590         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2591
2592         * vec.h (VEC_block_remove): New.
2593
2594 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2595
2596         PR c/13384
2597         * c-common.c (lvalue_error): Fix wording.
2598
2599 2005-12-01  Richard Guenther  <rguenther@suse.de>
2600
2601         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2602         thinko in last patch.
2603
2604 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2605
2606         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2607         than -flat_namespace.
2608
2609 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2610
2611         * mklibgcc.in: Parameterise the script to build soft float
2612         functions by iterating over each type, rather than cloning the
2613         code for each type.
2614
2615 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2616
2617         PR middle-end/25158
2618         * builtins.c (fold_builtin_fputs): Defer check for missing
2619         replacement functions.
2620
2621 2005-11-30  Kean Johnston  <jkj@sco.com>
2622
2623         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2624         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2625
2626 2005-11-30  Richard Guenther  <rguenther@suse.de>
2627
2628         PR tree-optimization/22501
2629         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2630         function split out from ...
2631         (forward_propagate_addr_expr): ... here.  Use it to propagate
2632         ADDR_EXPRs to all uses.
2633
2634 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2635
2636         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2637         * builtins.c (expand_builtin_mathfn): Use them.
2638         (expand_builtin_mathfn_2): Likewise.
2639         (expand_builtin_mathfn_3): Likewise.
2640         (expand_builtin_int_roundingfn): Likewise.
2641         (expand_builtin): Likewise.
2642         (integer_valued_real_p): Likewise.
2643         (fold_builtin_int_roundingfn): Likewise.
2644         (fold_builtin_bitop): Likewise.
2645         (fold_builtin_logarithm): Likewise.
2646         (fold_builtin_1): Likewise.
2647         * convert.c (convert_to_integer): Likewise.
2648         * fold-const.c (negate_mathfn_p): Likewise.
2649         (tree_expr_nonnegative_p): Likewise.
2650
2651 2005-11-30  Dale Johannesen  <dalej@apple.com>
2652             Andrew Pinski  <pinskia@physics.uc.edu>
2653
2654         * combine.c (find_split_point):  Sign extend bitmask
2655         when changing bitfield assignment to IOR of AND.
2656
2657 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2658
2659         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2660         clobber to scratch reg.
2661         (*decrement_and_branch_until_zero_no_clobber): Remove.
2662         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2663         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2664         * config/ms1/ms1.opt (mmul): Remove.
2665         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2666         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2667
2668 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2669             Bernd Schmidt  <bernd.schmidt@analog.com>
2670
2671         * pa/predicates.md (symbolic_operand): Add comment.
2672         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2673         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2674         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2675         (pa_secondary_reload_class): Delete.
2676         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2677         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2678         copy of symbolic operand.
2679         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2680
2681 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2682
2683         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2684         jump.
2685
2686 2005-11-30  Jeff Law  <law@redhat.com>
2687
2688         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2689         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2690
2691 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2692
2693         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2694         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2695         (ia64_expand_move): Adjust caller.
2696
2697         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2698         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2699         negate VAL.
2700
2701 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2702
2703         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2704         Always produce an output if we can remove NEGs or canonicalize
2705         (minus (minus ...)) expressions.  Provide a fast path for the
2706         two-operand case.
2707         (simplify_gen_binary): Do not call simplify_plus_minus.
2708         (simplify_binary_operation_1): Reassociate at the end of the
2709         function.
2710
2711 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2712
2713         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2714         moves and unpack to speed up.
2715
2716 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2717
2718         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2719         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2720         (gen_v9_scc): Update callers.
2721         * config/sparc/sparc.md: Likewise.
2722         * config/sparc/sparc-protos.h: Update extern declaration.
2723
2724         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2725
2726 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2727
2728         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2729         the if.
2730
2731 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2732
2733         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2734         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2735         (negate_expr): Here.
2736
2737 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2738
2739         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2740         Fix typo in comment.
2741
2742 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2743
2744         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2745         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2746
2747 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2748
2749         PR middle-end/20109
2750         PR middle-end/25120
2751         * builtins.c (init_target_chars): New.
2752         (expand_builtin_printf, expand_builtin_fprintf,
2753         expand_builtin_sprintf, fold_builtin_sprintf,
2754         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2755         fold_builtin_snprintf_chk, fold_builtin_printf,
2756         fold_builtin_fprintf): Check for matching format strings using
2757         the target charset.
2758
2759 2005-11-29  Paul Brook  <paul@codesourcery.com>
2760
2761         * config.gcc: Do not use fixproto on m68k-elf.
2762
2763 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2764
2765         * expmed.c (div_cost): Replace with...
2766         (sdiv_cost, udiv_cost): New.
2767         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2768         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2769         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2770         (expand_divmod): Replace use of div_cost with either sdiv_cost
2771         or udiv_cost depending upon the signedness of the operation.
2772
2773 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2774
2775         PR libfortran/24991
2776         * config/darwin.c (machopic_indirection_name,
2777         machopic_output_indirection): Follow transparent alias chain.
2778
2779 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2780
2781         * varasm.c (ultimate_transparent_alias_target): Add comment.
2782
2783 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2784
2785         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2786         SET_SRC instead of XEXP where appropriate.
2787
2788 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2789
2790         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2791         __builtin_expect.
2792
2793 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2794
2795         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2796         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2797         bit at a time.
2798
2799 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2800
2801         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2802         secondary_input_reload_class, made static.  Adapt to new
2803         infrastructure.
2804         (secondary_output_reload_class): Delete.
2805         (TARGET_SECONDARY_RELOAD): New macro.
2806         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2807         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2808
2809 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2810
2811         PR c++/21166
2812         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2813         when its natural alignment is > BITS_PER_UNIT.
2814         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2815         * c-common.c (handle_packed_attribute): Ignore packing on a field
2816         whose type is naturally char aligned.
2817
2818 2005-11-28  Richard Guenther  <rguenther@suse.de>
2819
2820         * c-common.c (strict_aliasing_warning): Handle all
2821         component-ref like accesses.
2822
2823 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2824             Uros Bizjak  <uros@kss-loka.si>
2825
2826         PR middle-end/20219
2827         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2828         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2829         when flag_unsafe_math_optimizations is set and
2830         we don't care about NaNs or Infinities.
2831
2832         Move x/expN(y) and x/pow(y,z) transformation into common
2833         flag_unsafe_math_optimizations section.
2834
2835 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2836
2837         * gcc.c (main): Change type of argv to "char **".
2838
2839 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2840
2841         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2842         small data sections.
2843         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2844         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2845         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2846         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2847         output locals to sbss if !rs6000_elf_in_small_data_p.
2848         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2849
2850 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2851
2852         PR target/24997
2853         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2854         generated by reload.
2855         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2856         indexed_or_indirect_address.
2857         (indexed_or_indirect_address): Don't test for base reg.  Call
2858         address_operand last.  Make it a special predicate.
2859
2860 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2861
2862         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2863
2864 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2865
2866         PR middle-end/24575
2867         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2868         is undefined.
2869         (negate_expr): Likewise.
2870
2871 2005-11-27  Andreas Schwab  <schwab@suse.de>
2872
2873         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2874         redundant parens.
2875
2876 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2877
2878         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2879         has EH predecessor edges.
2880
2881 2005-11-26  Eric Christopher  <echristo@apple.com>
2882
2883         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2884         register stalls by zero extending to the full register.
2885
2886 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2887
2888         * config/floatunsisf.c, config/floatunsidf.c,
2889         config/floatunsixf.c, config/floatunsitf.c: New files.
2890         * config/ia64/t-hpux: Add floatunsitf.c.
2891         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2892         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2893
2894 2005-11-26  Richard Henderson  <rth@redhat.com>
2895
2896         * c-lex.c (pragma_lex): Rename from c_lex.
2897         * c-pch.c: Update for pragma_lex rename.
2898         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2899         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2900         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2901         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2902         * doc/tm.texi: Likewise.
2903
2904 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2905
2906         PR middle-end/23669
2907         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2908         when overflow is undefined.
2909
2910 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2911
2912         * doc/md.texi (Insn Canonicalizations): Refer to the
2913         function commutative_operand_precedence for further rules.
2914
2915 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2916
2917         PR middle-end/21309
2918         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2919         is less than zero.  Limit mult_cost to a reasonable upper bound for
2920         the synthetic multiplication sequence.
2921
2922 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2923
2924         PR middle-end/25022
2925         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2926         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2927         Lookup the explicit replacement functions for any unlocked
2928         stdio builtin transformations.
2929
2930 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2931
2932         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2933         earlyclobber.
2934         * targhooks.c (default_secondary_reload): Don't require operand 2
2935         for an input reload to be earlyclobber.
2936
2937 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2938
2939         * fold-const.c (negate_mathfn_p): Fix comment and add support
2940         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2941         BUILT_IN_ATANH.
2942
2943 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2944
2945         PR middle-end/24998
2946         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2947         _Q_ulltoq for unsigned conversions from SImode and DImode to
2948         TFmode.
2949
2950 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2951
2952         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2953         (__floatundidf, __floatundisf): Likewise.
2954
2955 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2956
2957         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2958         (rs6000_override_options): Remove initialization of
2959         rs6000_sr_alias_set.
2960         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2961         (rs6000_emit_stack_tie): Same.
2962         (emit_frame_save): Same.
2963         (gen_frame_mem_offset): Same.
2964         (rs6000_emit_prologue): Same.
2965         (rs6000_emit_epilogue): Same.
2966
2967 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2968
2969         PR middle-end/24989
2970         * fold-const.c (fold_build): Convert bool_var != 1 and
2971         bool_var == 0 to !bool_var.
2972
2973 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2974
2975         PR middle-end/24990
2976         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2977         for C being INTEGER_CST.  Likewise for !=.
2978
2979 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2980
2981         PR middle-end/24998
2982         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2983         unsigned conversions from SImode to TFmode.
2984
2985 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2986
2987         * expr.c (expand_expr_real_1): Fix error in last change.
2988
2989 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2990
2991         * caller-save.c: (this_insn_sets): Move into:
2992         (save_call_clobbered_regs).
2993         (mark_set_regs): Get this_insn_sets from data.
2994
2995         (save_call_clobbered_regs): Take sets of the return value by
2996         sibcalls into account.
2997
2998 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2999         PR target/21623:
3000
3001         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3002         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3003         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3004         (memory_move_secondary_cost, init_reg_autoinc): Remove
3005         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3006         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3007         secondary_reload_class call.
3008         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
3009         callers.
3010         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3011         (push_secondary_reload): Use secondary_reload target hook.
3012         (secondary_reload_class, scratch_reload_class): New functions.
3013         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3014         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
3015         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3016         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3017         (secondary_reload_class, scratch_reload_class): Declare.
3018         * reload1.c: Include target.h.
3019         (reload_adjust_reg_for_temp): New function.
3020         (reload_adjust_reg_for_icode): Likewise.
3021         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3022         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3023         call.
3024         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
3025         for inheritance.  Support case when both secondary & tertiary reloads
3026         are for intermediate registers.
3027         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3028         with secondary_reload_class call.  Support case when both secondary
3029         & tertiary reloads are for intermediate registers.
3030         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3031         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3032         * target.h (secondary_reload_info): New struct / typedef.
3033         (struct gcc_target): New member secondary_reload.
3034         * targhooks.c Include reload.h, optabs.h and recog.h.
3035         (default_secondary_reload): New function.
3036         * targhooks.h (default_secondary_reload): Declare.
3037         * doc/tm.texi: Document secondary_reload target hook.  Update
3038         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3039         * doc/md.texi: Likewise.
3040
3041         * sh-protos.h (sh_secondary_reload): Declare.
3042         * sh.c (TARGET_SECONDARY_RELOAD): Override.
3043         (sh_secondary_reload): New function.
3044         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3045         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3046         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3047         (HAVE_SECONDARY_RELOADS): Define.
3048         * sh.md (reload_indf): Rename to:
3049         (reload_indf__frn).
3050         (reload_outdf): Rename to:
3051         (reload_outdf__RnFRm).
3052         (reload_insf): Rename to:
3053         (reload_insf__frn).
3054         (reload_insi): Rename to:
3055         (reload_insi__i_fpul).
3056
3057 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
3058
3059         * configure.ac: Require at least texinfo 4.4.
3060         * configure: Regenerate.
3061
3062         * doc/install.texi (Tools/packages necessary for building GCC):
3063         Update required version of texinfo to at least 4.4.
3064         (Installing GCC: Building): Update required version of texinfo
3065         to at least 4.4.
3066         (Installing GCC: Final installation): Update required version
3067         of texi2dvi to at least 4.4.
3068         (Host/target specific installation notes for GCC): Update required
3069         version of texinfo to at least 4.4.
3070
3071 2005-11-24  Richard Guenther  <rguenther@suse.de>
3072         Dirk Mueller <dmueller@suse.de>
3073
3074         PR c++/14024
3075         * c-common.h (strict_aliasing_warning): Declare.
3076         * c-common.c (strict_aliasing_warning): New function,
3077         split out from ...
3078         * c-typeck.c (build_c_cast): ... here.
3079
3080 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3081
3082         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3083         to order operands.
3084         (swap_commutative_operands_with_target): New.
3085
3086 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3087
3088         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3089         also when doing PRE, rather than only for global CPROP.
3090
3091 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3092
3093         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3094         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3095         formatting.
3096         (expand_twoval_unop): Likewise.
3097         (widen_clz): Likewise.
3098         (expand_parity): Likewise.
3099         (expand_unop): Likewise.
3100         (emit_cmp_and_jmp_insn_1): Likewise.
3101         (prepare_float_lib_cmp): Likewise.
3102
3103 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3104
3105         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3106         Remove unused `class' variable.
3107
3108 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3109
3110         PR c++/21667
3111         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
3112         C/C++ diagnostic function warn_array_subscript_with_type_char.
3113         * c-common.h (warn_array_subscript_with_type_char): Declare.
3114         * c-common.c (warn_array_subscript_with_type_char): Define.
3115
3116 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3117
3118         PR c/21668
3119         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3120         compiling at the intersection of C and C++.
3121
3122 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
3123
3124         * doc/invoke.texi: For man pages, include gcc-vers.texi.
3125         List @file in the option summary.  Include the libiberty
3126         documentation for @file.
3127         * gcc.c (main): Call expandargv.
3128         * Makefile.in (gcc-vers.texi): Define srcdir.
3129
3130 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
3131
3132         * passes.c (init_optimization_passes): Document
3133         sequencing of passes.
3134
3135 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
3136
3137         * config/m68k/predicates.md (pcrel_address, extend_operator,
3138         post_inc_operand, pre_dec_operand): Remove redundant
3139         conditionals.
3140         (const_uint32_operand, const_sint32_operand): Use gcc_assert
3141         instead of abort.
3142         (valid_dbcc_comparison_p): Rewrite in the lisp style.
3143
3144 2005-11-23  Ben Elliston  <bje@au.ibm.com>
3145
3146         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3147
3148 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
3149
3150         Preparatory work for PR target/21623:
3151         * alpha.c (secondary_reload_class): Rename to:
3152         (alpha_secondary_reload_class).
3153         * alpha.h, alpha-protos.h: Likewise.
3154         * mn10300.c (secondary_reload_class): Rename to:
3155         (mn10300_secondary_reload_class).
3156         * mn10300.h, mn10300-protos.h: Likewise.
3157         * pa.c (secondary_reload_class): Rename to:
3158         (pa_secondary_reload_class).
3159         * pa.h, pa-protos.h: Likewise.
3160         * rs6000.c (secondary_reload_class): Rename to:
3161         rs6000_secondary_reload_class.
3162         * rs6000.h, rs6000-protos.h: Likewise.
3163
3164 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
3165
3166         PR middle-end/22561
3167         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3168
3169 2005-11-22  Ian Lance Taylor  <ian@airs.com>
3170
3171         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3172         a mode_class.
3173         (prepare_cmp_insn): Likewise.
3174
3175 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
3176
3177         PR target/23435
3178         * m68k.md (zero_extendsidi2): Force operands[1] to a register
3179         if both operands[0] and operands[1] are memory.
3180
3181 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3182
3183         PR middle-end/23606
3184         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3185         COMPARISON_CLASS_P and an integral types create create a new
3186         expression with the new type and fold that.
3187
3188 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3189
3190         PR target/24988
3191         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3192         to SUBTARGET_OS_CPP_BUILTINS.
3193
3194 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
3195
3196         * arm.c (emit_set_insn): New function.
3197         (arm_split_constant): Call it.
3198         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3199         (arm_legitimize_address): Likewise.  Use plus_constant.
3200         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
3201         (thumb_expand_prologue): Likewise.
3202         (arm_gen_load_multiple): Use VOIDmode in SET.
3203         (arm_gen_store_multiple): Likewise.
3204         (vfp_emit_fstmx): Likewise.  Use plus_constant.
3205         (emit_multi_reg_push): Likewise.
3206         (emit_sfm): Use plus_constant.
3207
3208 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
3209
3210         PR target/24954
3211         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3212         typo last change.
3213
3214 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3215
3216         PR middle-end/24950
3217         * expmed.c (store_bit_field): Don't attempt to insv a field
3218         larger than the reg.
3219
3220 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3221
3222         PR target/24954
3223         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3224         explicit sign extension, not a (char) cast.
3225
3226 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3227
3228         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3229         GET_MODE_CLASS (x) == MODE_FLOAT.
3230         * config/i386/i386.c: Likewise.
3231         * config/rs6000/xcoff.h: Likewise.
3232         * config/rs6000/linux64.h: Likewise.
3233         * config/rs6000/rs6000.c: Likewise.
3234         * config/rs6000/rs6000.h: Likewise.
3235         * config/rs6000/predicates.md: Likewise.
3236         * config/rs6000/sysv4.h: Likewise.
3237
3238 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3239
3240         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3241         flag_pic is set.
3242
3243         * config/alpha/freebsd.h, config/alpha/linux.h,
3244         config/arm/linux-elf.h, config/bfin/bfin.h,
3245         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3246         config/i386/beos-elf.h, config/i386/gnu.h,
3247         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3248         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3249         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3250         config/rs6000/linux64.h, config/rs6000/sysv4.h,
3251         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3252         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3253         config/sparc/linux.h, config/sparc/linux64.h,
3254         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3255
3256         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3257         are both defined when either flag -fpic or -fPIC are used.
3258
3259 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3260
3261         * config/fp-bit.c (clzusi): New function.
3262         (si_to_float, usi_to_float): Use it to compute proper shift.
3263         (usi_to_float): Preserve guard bits when shifting right.
3264         * libgcc-std.ver (GCC_4.2.0): New version.
3265         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3266         __floatundisf): New functions.
3267         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3268         __floatundisf): Declare.
3269         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3270         _floatundixf, and _floatunditf.
3271         * optabs.c (expand_float): If target does not define a pattern for
3272         signed or unsigned conversion, use an unsigned libcall instead of
3273         a signed one.
3274         (init_optabs): Initialize ufloat_optab.
3275
3276 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3277
3278         * config/rs6000/rs6000.opt (mmulhw): New option.
3279         * doc/invoke.texi (-mmulhw): Document.
3280         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3281         for 405 and 440.
3282         * config/rs6000/rs6000.md: Add half-word multiply and
3283         multiply-accumulate instructions for 405 and 440.
3284
3285 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3286
3287         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3288         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3289         default now includes a linker group which makes the RTEMS one nest.
3290
3291 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3292
3293         * cse.c (fold_rtx): Typo fix.
3294         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3295
3296 2005-11-21  Richard Henderson  <rth@redhat.com>
3297
3298         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3299         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3300
3301         * c-tree.h (lookup_name): Move declaration ...
3302         * c-common.h (lookup_name): ... here.
3303         * config/darwin-c.c: Include c-common.h.
3304         * config/t-darwin: Update dependencies.
3305
3306 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3307
3308         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3309         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3310         * genopinit.c (gen_insn): Likewise.
3311         * reload.c (find_equiv_reg): Likewise.
3312         * loop.c (load_mems): Likewise.
3313         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3314         * cse.c (find_comparison_args, fold_rtx): Likewise.
3315         * dwarf2out.c (add_const_value_attribute): Likewise.
3316         * expr.c (convert_move): Likewise.
3317         * recog.c (general_operand, register_operand): Likewise.
3318         * reg-stack.c (replace_reg): Likewise.
3319         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3320         * c-common.c (handle_vector_size_attribute): Likewise.
3321         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3322         (simplify_binary_operation_1): Likewise.
3323         (simplify_const_binary_operation): Likewise.
3324         (simplify_relational_operation): Likewise.
3325         (simplify_const_relational_operation): Likewise.
3326         (simplify_immed_subreg): Likewise.
3327         * emit-rtl.c (gen_lowpart_common): Likewise.
3328         * expmed.c (expand_mult): Likewise.
3329         * stor-layout.c (layout_type): Likewise.
3330
3331 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3332
3333         PR target/24951
3334         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3335         cst2 only for SPE vectors.
3336
3337 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3338
3339         PR target/24953
3340         * config/rs6000/predicates.md (vrsave_operation): Check
3341         UNSPEC_VOLATILE value.
3342
3343 2005-11-21  Jan Hubicka  <jh@suse.cz>
3344
3345         PR tree-optimization/24653
3346         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3347
3348 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3349
3350         * config/i386/predicates.md (ax_reg_operand): New predicate.
3351         (memory_displacement_only_operand): New predicate.
3352         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3353         operand is AX register and the other operand is memory operand
3354         with displacement only.
3355
3356 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3357
3358         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3359         if we don't care about NaNs or Infinities.
3360
3361 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3362
3363         PR rtl-optimization/24883
3364         * combine.c (combinable_i3pat): When checking whether the
3365         destination of i3 is used in i3, consider paradoxical subregs.
3366
3367 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3368
3369         PR middle-end/20583
3370         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3371
3372 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3373
3374         * combine.c (try_combine): Do not run subst on i1src and i2src in
3375         the case of generating a PARALLEL for a comparison.
3376
3377 2005-11-20  Richard Henderson  <rth@redhat.com>
3378
3379         PR 24931
3380         * tree-sra.c (struct sra_elt): Add all_no_warning.
3381         (struct sra_walk_fns) <use>: Add use_all argument.
3382         (sra_walk_expr): Pass it.
3383         (sra_walk_modify_expr): Likewise.
3384         (scalarize_ldst): Likewise.
3385         (scan_use): Update for new argument.
3386         (mark_no_warning): New.
3387         (scalarize_use): Use it.
3388
3389 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3390
3391         * expr.c (expand_expr_real): Use usmul_optab for widening
3392         signed * unsigned multiplies.
3393         * genopinit.c (optabs): Add usmul_widen_optab.
3394         * optabs.c (init_optabs): Likewise.
3395         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3396         (usmul_widen_optab): Define.
3397         * config/bfin/bfin.md (usmulhisi3): New pattern.
3398
3399         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3400
3401 2005-11-20  Graham Stott <btinternet.com>
3402
3403         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3404
3405 2005-11-20  Andreas Schwab  <schwab@suse.de>
3406
3407         PR target/24757
3408         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3409         insn.
3410
3411 2005-11-19  Richard Henderson  <rth@redhat.com>
3412
3413         PR tree-opt/24665
3414         * tree-gimple.c (is_gimple_id): Export.
3415         * tree-gimple.h (is_gimple_id): Declare.
3416         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3417         (get_default_value): Use it.
3418         (maybe_fold_stmt_indirect): Likewise.
3419
3420 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3421
3422         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3423         than VR1 or vice-versa.
3424
3425 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3426
3427         PR middle-end/24912
3428         PR middle-end/24750
3429         * reload.c (find_reloads_address_1): Mention dependency on
3430         gen_reload.
3431         * reload1.c (gen_reload): For IN with an unary operation, try
3432         moving inner expression to OUT if trivial SET is not valid.
3433         Confirm that the result is valid.  Move common code block into...
3434         (emit_insn_if_valid_for_reload): New function.
3435
3436 2005-11-19  Richard Guenther  <rguenther@suse.de>
3437
3438         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3439         ARRAY_REFs of constant strings.
3440
3441 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3442
3443         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3444         fatal format string.
3445
3446 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3447
3448         * combine.c (make_compound_operation): Swap operands of
3449         commutative operation if necessary before returning.
3450
3451 2005-11-19  Richard Guenther  <rguenther@suse.de>
3452
3453         PR middle-end/23294
3454         * fold-const.c (fold_plusminus_mult_expr): New function.
3455         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3456         cases, remove now unnecessary code.
3457
3458 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3459
3460         * gensupport.c (old_preds): Rename to std_preds, add special field.
3461         (struct old_pred_table): Rename to struct std_pred_table, add special
3462         field.
3463         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3464         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3465         (init_predicate_table): Adjust, and set along the way whether a
3466         predicate is special.
3467
3468 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3469
3470         * BASE-VER: Change to 4.2.0.
3471
3472 2005-11-18  James E Wilson  <wilson@specifix.com>
3473
3474         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3475         returning it.
3476
3477 2005-11-18  Mike Stump  <mrs@apple.com>
3478
3479         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3480         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3481         * c-decl.c (lookup_name_two) Remove.
3482         * c-tree.h (lookup_name_two): Remove.
3483         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3484         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3485         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3486         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3487
3488 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3489
3490         PR target/24914
3491         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3492         when not generating code to use that co-processor.
3493
3494 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3495
3496         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3497         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3498         these functions are now in tree-phinodes.c.
3499
3500 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3501
3502         * config/bfin/bfin.md (trap): New pattern.
3503
3504 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3505
3506         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3507         on types.
3508
3509         * expr.c (expand_expr_real): Don't call record_block_change unless
3510         ib_boundaries_block is non-null
3511
3512         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3513
3514         * fold-const.c (build_range_check): Use proper type for subtraction
3515         when merging lower bound.
3516
3517 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3518
3519         PR rtl-optimization/24497
3520         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3521         the copied insn.
3522
3523 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3524
3525         * tree-scalar-evolution.c (expression_expensive_p): New function.
3526         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3527
3528 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3529
3530         * config/bfin/crtlibid.s: New file.
3531
3532 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3533
3534         PR target/24348
3535         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3536         when not using sjlj exceptions.
3537         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3538         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3539         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3540         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3541         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3542         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3543         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3544         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3545         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3546         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3547         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3548         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3549         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3550         defines.
3551         * config/pa/hpux-unwind.h: New file.
3552
3553 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3554
3555         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3556         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3557         * varasm.c (do_assemble_alias): Adjust call.
3558         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3559         is defined.
3560         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3561
3562 2005-11-17  James E Wilson  <wilson@specifix.com>
3563
3564         * tree.def (FUNCTION_DECL): Correct typo in comment.
3565
3566 2005-11-17  Richard Henderson  <rth@redhat.com>
3567
3568         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3569         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3570         and DW_CFA_def_cfa_sf.
3571         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3572         (dbx_reg_number): Don't assert particular registers here.
3573         (based_loc_descr): ... do it here instead.  Fold in ...
3574         (eliminate_reg_to_offset): ... this function.
3575         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3576         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3577         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3578         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3579         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3580         (instantiate_virtual_regs): Likewise.
3581         * var-tracking.c (adjust_stack_reference): Likewise.
3582         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3583
3584 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3585
3586         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3587         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3588         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3589         crtlibid.o.
3590         ($(T)crtlibid.o): New rule.
3591
3592 2005-11-16  Richard Guenther  <rguenther@suse.de>
3593
3594         PR middle-end/24851
3595         * fold-const.c (extract_array_ref): Return byte offset
3596         in all cases.
3597         (fold_binary): Fold &x[a] CMP &x[b] to
3598         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3599         behavior.
3600
3601 2005-11-16  Richard Henderson  <rth@redhat.com>
3602
3603         PR middle-end/23497
3604         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3605         parts of an SSA_NAME.
3606
3607 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3608
3609         PR target/24861
3610         * arm.md (split for movsf with immediate): Restrict split to insns
3611         that set a general register.
3612
3613 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3614
3615         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3616         uw_update_context.
3617         * unwind-dw2.c (uw_advance_context): Likewise.
3618         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3619         _Unwind_SjLj_Unregister.
3620         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3621
3622 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3623
3624         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3625
3626 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3627
3628         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3629         langhook to get a DImode integer type.
3630
3631 2005-11-16  Richard Henderson  <rth@redhat.com>
3632             J"orn Rennecke <joern.rennecke@st.com>
3633             Ulrich Weigand  <uweigand@de.ibm.com>
3634
3635         PR rtl-opt/24160
3636         PR target/24621
3637         * reload1.c (reg_equiv_invariant): New.
3638         (reload): Allocate, initialize, and free it.
3639         (calculate_needs_all_insns): Check it when skipping equivalence
3640         setting insns.
3641         (alter_reg): Likewise.
3642         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3643         may_use_invariant argument; only use reg_equiv_invariant when true.
3644         (eliminate_regs): New.
3645         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3646         a context for which may_use_invariant may be true.
3647
3648 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3649
3650         * fold-const.c (const_binop): Don't constant fold the operation
3651         if the result has overflowed and flag_trapping_math.
3652         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3653
3654 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3655
3656         * config/arm/unwind-arm.c (abort): Add prototype here.
3657         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3658         (struct phase1_vrs): Add prev_sp.
3659         (unwind_phase2_forced): Save the original core registers instead of
3660         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3661         and set action flags accordingly.  Always set _US_END_OF_STACK when
3662         get_eit_entry fails.  Unwind before calling the stop function.
3663         (_Unwind_GetCFA): New function.
3664         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3665         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3666         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3667         just call unwind_phase2_forced.
3668         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3669         * config/arm/unwind-arm.h (abort): Remove prototype.
3670         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3671         prototypes.
3672         (_Unwind_GetCFA): New prototype.
3673         * config/arm/pr-support.c (abort): Add prototype here.
3674         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3675         forced unwinding.
3676         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3677         not schedule the prologue with non-call exceptions and EABI.
3678
3679 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3680
3681         * config/arm/unwind-arm.h: Reorder interface function declarations.
3682         (_URC_END_OF_STACK): New enumeration value.
3683         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3684         (struct _Unwind_Control_Block): Document reserved field use.
3685         (_Unwind_Stop_Fn): New typedef.
3686         (_Unwind_ForcedUnwind): Declare.
3687         (_Unwind_Resume_or_Rethrow): Declare.
3688         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3689         argument.  Adjust.
3690         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3691         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3692         (UCB_FORCED_STOP_ARG): New.
3693         (search_EIT_table): Update boundary condition checks.
3694         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3695         (unwind_phase2): Replace for with do..while.
3696         (unwind_phase2_forced): New.
3697         (__gnu_Unwind_RaiseException): Replace for with do..while.
3698         (__gnu_Unwind_ForcedUnwind): New.
3699         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3700         Use appropriate phase2 unwinder.
3701         (__gnu_Unwind_Resume_or_Rethrow): New.
3702         (__gnu_unwind_pr_common): Cope with forced unwinding.
3703
3704 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3705
3706         PR target/24772
3707         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3708
3709         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3710         roundsf2): Remove "s" from mnemonic.
3711
3712 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3713
3714         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3715         __PIC__ is defined.
3716         * config/bfin/crtn.s: Change epilogues to match.
3717         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3718         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3719         __PIC__ and __pic__.
3720
3721 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3722
3723         PR 24357
3724         * doc/invoke.texi: Distinguish between free and fixed form instead of
3725         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3726         languages.
3727         * gcc.c (default_compilers): Remove double entries, add entries for
3728         suffixes '.F90' and '.F95'.
3729
3730 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3731
3732         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3733         in the stack probing loop.
3734
3735 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3736
3737         * configure.ac: Use .machine power5 not power5x.
3738         * configure: Regenerate.
3739
3740 2005-11-15  Mike Stump  <mrs@apple.com>
3741
3742         * c-decl.c (lookup_name_two): Add.
3743         * c-tree.h (lookup_name_two): Likewise.
3744         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3745         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3746
3747 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3748
3749         PR rtl-optimization/23392
3750         * regrename.c (enum scan_actions) Add mark_access.
3751         (scan_actions_name): Ditto.
3752         (scan_rtx_reg): Handle mark_access.
3753         (scan_rtx_address): Do nothing for mark_access.
3754         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3755         and regs in REG_INC notes before closing chains for dead regs.
3756         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3757         opening chains for new writes.
3758
3759 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3760
3761         * c.opt (ffixed-line-length-none): New.
3762
3763 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3764
3765         * mklibgcc.in: Change contents of eh_dummy.c.
3766
3767 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3768
3769         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3770
3771 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3772
3773         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3774         of making syscalls.
3775         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3776
3777 2005-11-15  Jan Hubicka  <jh@suse.cz>
3778
3779         * invoke.texi (large-unit-insns): Document.
3780         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3781         * params.def (large-unit-insns): New param.
3782
3783 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3784
3785         PR target/24869
3786         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3787         special register for operand 3.  Reindent constraints to align
3788         them vertically.
3789
3790 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3791
3792         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3793         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3794         * configure.ac: Add test for FP rounding instructions.
3795         * configure: Regenerate.
3796         * config.in: Regenerate.
3797         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3798         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3799         features enabled.
3800         * config/rs6000/rs6000.opt (mfprnd): New.
3801         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3802         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3803         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3804         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3805         (TARGET_FPRND): New.
3806         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3807         UNSPEC_FRIZ): New.
3808         (btrunc<mode>2): New.
3809         (ceil<mode>2): New.
3810         (floor<mode>2): New.
3811         (round<mode>2): New.
3812
3813 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3814
3815         * gcc.c (version_compare_spec_function): Use fatal() rather than
3816         abort().
3817
3818         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3819         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3820         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3821         as empty.
3822         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3823         link in crt2.o.
3824
3825         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3826         on -mmacosx-version-min setting.
3827
3828 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3829
3830         PR 24840
3831         * tree-vrp.c (infer_value_range): Return false if STMT is a
3832         block terminator and its basic block has no successors.
3833
3834 2005-11-14  Mike Stump  <mrs@apple.com>
3835
3836         * config/i386/i386.c (override_options): -masm=intel isn't
3837         supported on darwin.
3838         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3839
3840 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3841
3842         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3843         vfork after including auto-host.h.
3844
3845 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3846
3847         PR rtl-optimization/22002
3848         * combine.c (distribute_notes): Detect cases where a reg dies
3849         two or more times in a bb, including on the insn we are combining,
3850         and place the death note on the correct range.
3851
3852 2005-11-14  Dale Johannesen  <dalej@apple.com>
3853
3854         * expmed.c (store_bit_field):  Add offset unconditionally for
3855         memory targets.
3856         (extract_bit_field):  Don't force extzv or extv operand into
3857         a register if field is too big.
3858
3859 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3860
3861         * config/arm/arm.c (pic_labelno): New.
3862         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3863         LABEL_REF.  Pass only the labelno to PIC insns.
3864         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3865         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3866         * arm.md (UNSPEC_PIC_LABEL): New constant.
3867         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3868         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3869         Use the correct label prefix.
3870
3871 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3872
3873         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3874         REQ_EQUIV note.
3875
3876 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3877
3878         * loop-invariant.c: Include tm_p.h.
3879         * Makefile.in: Updated.
3880
3881 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3882
3883         * pa.c (store_reg): Revise generation of frame notes in large frames.
3884         (set_reg_plus_d): Likewise.
3885
3886 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3887
3888         PR tree-optimization/24709
3889         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3890         loop check.
3891
3892 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3893
3894         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3895         and duplicate declaration of pthread_self.
3896
3897 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3898             Ian Lance Taylor  <ian@airs.com>
3899
3900         PR middle-end/24003
3901         * calls.c (expand_call): If TARGET is a MEM and some part of the
3902         argument area has been saved, force TARGET to a register.
3903
3904 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3905
3906         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3907         checking.
3908
3909 2005-11-13  Jason Merrill  <jason@redhat.com>
3910
3911         PR c++/22489
3912         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3913         lazily declared methods.
3914         (force_decl_die): Stop if forcing out the context already make a
3915         DIE for the decl.
3916         (force_type_die): Likewise.
3917
3918 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3919
3920         PR middle-end/24820
3921         * builtins.c (integer_valued_real_p): Add break in
3922         REAL_CST having TREE_OVERFLOW set.
3923
3924 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3925
3926         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3927         addressing modes during calculation of costs.
3928
3929 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3930
3931         * function.c (assign_stack_local_1): Restrict sanity check
3932         on frame size overflow to 32-bit and above platforms.
3933
3934 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3935
3936         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3937         * config/cris/cris.c: Include reload.h.
3938         (cris_initial_elimination_offset): New function.
3939         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3940         Prototype.
3941
3942 2005-11-12  Richard Guenther  <rguenther@suse.de>
3943
3944         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3945
3946 2005-11-12  Jan Hubicka  <jh@suse.cz>
3947
3948         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3949         to compare against 0 when possible.
3950
3951 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3952
3953         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3954         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3955         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3956         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3957         in the new order.
3958
3959 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3960
3961         * recog.c (constrain_operands) <case 'g'>: For a match, require
3962         that a non-register matches general_operand when strict >= 0.
3963
3964 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3965
3966         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3967         previous checkin.
3968
3969 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3970
3971         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3972         (memory_address_same): New.
3973         (dse_optimize_stmt): Call memory_address_same.
3974
3975 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3976
3977         PR middle-end/24750
3978         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3979         ZERO_EXTEND>: New cases.
3980
3981 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3982
3983         * longlong.h (__clz_tab): Always provide.
3984
3985 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3986
3987         PR 24265
3988         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3989         can be assigned to.
3990         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3991         before check_maybe_invariant.
3992         (move_invariant_reg): Use gen_move_insn instead of replacing
3993         SET_DEST with the temporary for the invariant.
3994         (move_loop_invariants): If checking is enabled, do internal
3995         consistency checks after completing the pass.
3996
3997 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3998
3999         PR 24644
4000         * common.opt (Wvolatile-register-var): New.
4001         * varasm.c (make_decl_rtl): Only emit warning when option
4002         specified.  Clarify warning message.
4003         * doc/invoke.texi (Wvolatile-register-var): Document new option.
4004
4005         * doc/md.texi (copysign): Document standard named pattern.
4006
4007 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
4008
4009         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4010         bytes when align is 2.
4011         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4012         by the first instruction of the loop.
4013
4014 2005-11-11  Jason Merrill  <jason@redhat.com>
4015
4016         PR c++/24686
4017         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4018         the cleanup list.
4019
4020 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
4021
4022         PR rtl-optimization/22509
4023         * local-alloc.c (memref_used_between_p): Check whether a function call
4024         could not reference the memref.
4025
4026 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
4027
4028         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4029         algorithm so as to choose the best, not the worst, alternative.
4030         Reset accumulated register class before processing next alternative.
4031
4032 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4033
4034         PR target/24445
4035         * calls.c (expand_call): Copy a return value to a plain register
4036         if needed.
4037
4038 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
4039
4040         PR target/24778
4041         * varasm.c (assemble_name): Recompute name only for transparent
4042         aliases.
4043
4044 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
4045
4046         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4047
4048 2005-11-04  Jeff Law  <law@redhat.com>
4049
4050         PR middle-end/23181
4051         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4052         perform reassociation if the parent statement will not die as
4053         a result of the optimization.
4054
4055 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
4056
4057         * tree-ssa-alias.c (compute_may_aliases): Remove call to
4058         delete_old_heap_vars.
4059         * tree-dfa.c (referenced_var_remove): Remove function.
4060         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4061         (delete_tree_ssa): Remove call to delete_old_heapvars.
4062         Add call to delete_alias_heapvars.
4063         * tree-flow.h (referenced_var_remove): Remove prototype
4064         (init_alias_heapvars): New prototype.
4065         (delete_alias_heapvars): Ditto.
4066         * Makefile.in (tree-ssa-structalias.o): Add
4067         gt-tree-ssa-structalias.o
4068         (GTFILES): Add tree-ssa-structalias.h and
4069         tree-ssa-structalias.c.
4070         (s-gtype): Add gt-tree-ssa-structalias.h.
4071         * tree-ssa-structalias.c (heapvars): Remove.
4072         (oldheapvars): Remove.
4073         (heapvar_for_stmt): New variable.
4074         (heapvar_lookup): New function.
4075         (heapvar_insert): Ditto.
4076         (get_constraint_for): See if we have an old heapvar
4077         to reuse.
4078         (init_alias_heapvars): New function.
4079         (delete_alias_heapvars): Ditto.
4080         Add include of gt-tree-ssa-structalias.h.
4081
4082 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4083
4084         PR middle-end/22127
4085         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4086
4087 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
4088
4089         * tree.c (int_fits_type_p): Only look at the base type
4090         if it has the same precision as the original type.
4091
4092 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
4093
4094         PR other/4372
4095         * varasm.c (assemble_alias): Use %q+D in the error
4096         message instead of %J and %qD.
4097
4098 2005-11-10  Richard Guenther  <rguenther@suse.de>
4099
4100         * gcse.c (free_ldst_entry): Only free hashtable if
4101         it exists.
4102
4103 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4104
4105         * function.c (assign_stack_local_1): Issue an error message if
4106         the frame size overflows in the signed target arithmetics.
4107
4108 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4109
4110         * tree.c (build_qualified_type): Chain the new type to the original
4111         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4112         a POINTER_TYPE or a REFERENCE_TYPE respectively.
4113         (build_pointer_type_for_mode): Only return unqualified types.
4114         (build_reference_type_for_mode): Likewise.
4115
4116 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
4117
4118         * Makefile.in (gnucompare): Do comparison of all files using one of
4119         the chosen methods and only afterwards decide if just warning should
4120         be issued or comparison failure raised.
4121
4122 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4123
4124         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4125         (noce_try_abs): Negate if the comparison is reversed.
4126         Look only one instruction backwards for a REG_EQUAL note.
4127
4128 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4129
4130         PR other/4372
4131         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4132         gthr-tpf.h: Define __gthrw.  For all identifiers that might
4133         be weak, introduce weakrefs or non-weak aliases with __gthrw,
4134         and prefix all uses with __ghtrw.
4135
4136 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4137
4138         PR other/4372
4139         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4140         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
4141         * c-common.c (handle_weakref_attribute): New.
4142         (c_common_attribute_table): Add weakref.
4143         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4144         in the assembler.
4145         * configure, config.in: Rebuilt.
4146         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4147         * doc/extend.texi: Document weakref attribute.
4148         * varasm.c (ultimate_transparent_alias_target): New
4149         (assemble_name): Use it.
4150         (weak_finish_1): Split out of...
4151         (weak_finish): ... and deal with weakrefs in...
4152         (weakref_targets): ... new list.
4153         (globalize_decl): Clean up weakref_targets.
4154         (do_assemble_alias): Handle weakrefs.
4155         (finish_aliases_1): Do not reject weakrefs to external symbols.
4156         (assemble_alias): Handle weakrefs.
4157
4158 2005-11-09  Richard Guenther  <rguenther@suse.de>
4159
4160         PR tree-optimization/24716
4161         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4162         t_bool to track results from follow_ssa_edge.
4163
4164 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4165
4166         * final.c (force_source_line): New global variable.
4167         (final_scan_insn): Set it to true instead of clearing last_filename.
4168         (notice_source_line): Return true if force_source_line is true,
4169         unless source info is absent.
4170
4171 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
4172
4173         PR c/24644
4174         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4175         a linkage name for a variable if it a register variable.
4176         * c-decl.c (grokdeclarator): Global register variables
4177         should be set as PUBLIC.
4178
4179 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4180
4181         PR 24624
4182         * config/s390/s390.c (struct s390_frame_layout): New fields
4183         first_save_gpr_slot and last_save_gpr_slot.
4184         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4185         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4186         first_save_gpr and last_save_gpr with the _slot variants.
4187         (s390_register_info): Calculate first_save_gpr_slot and
4188         last_save_gpr_slot using regs_ever_live.
4189
4190 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4191
4192         PR 24623
4193         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4194         for a function containing a landing pad.
4195
4196 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4197
4198         PR 24034
4199         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4200         is live afterwards.
4201
4202 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
4203
4204         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4205         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4206
4207 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
4208
4209         Add ms2 support
4210         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4211         constants.
4212         (call,load,store): New insn types.
4213         (mem_access, branch_access): Adjust reservation conditions.
4214         (define_delay): Adjust condition.
4215         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
4216         type.
4217         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4218         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4219         insn type.
4220         (call_internal, call_value_internal, return_internal,
4221         return_interrupt_internal, eh_return_internal, indirect_jump,
4222         tablejump): Set call insn type.
4223         (blockage, ei, di): Use appropriate unspec const.
4224         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4225         (ms1_get_attr_type): Adjust to give load & store types.
4226         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
4227         backwards past a barrier.
4228         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
4229         branch scheduling.
4230         (struct branch_info, struct label_info): New.
4231         (ms1_labels): New.
4232         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4233         (ms1_machine_reorg): New.
4234         (TARGET_MACHINE_DEPENDENT_REORG): Override.
4235         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4236         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4237         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4238         (TARGET_MS2): New.
4239
4240 2005-11-09  Per Bothner  <per@bothner.com>
4241             Uros Bizjak  <uros@kss-loka.si>
4242
4243         PR c/24101
4244         * toplev.c (process_options): Initialize debug_hooks early
4245         in case lang_hooks.post_options ends up calling a debug_hook.
4246
4247 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
4248
4249         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4250         DBX_REGISTER_NUMBER being contiguous.
4251
4252 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
4253             Diego Novillo  <dnovillo@redhat.com>
4254
4255         PR 23046
4256         * tree-vrp.c (register_edge_assert_for): Do not register
4257         always-false predicates.
4258
4259 2005-11-08  Devang Patel <dpatel@apple.com>
4260
4261         PR tree-optimization/23115
4262         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4263         relation.
4264
4265 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
4266
4267         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4268         -mcpu=440.
4269
4270 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
4271
4272         Fix PR tree-optimization/23382
4273
4274         * tree-ssa-alias.c (compute_may_aliases): Call
4275         delete_old_heap_vars.
4276         * tree-dfa.c (referenced_var_remove): New function.
4277         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4278         * tree-flow.h (referenced_var_remove): Add prototype.
4279         (delete_old_heap_vars): Ditto.
4280         * tree-ssa-structalias.c (heapvars): New variable.
4281         (oldheapvars): Ditto.
4282         (get_constraint_for): Put heap vars on heapvars list.
4283         (delete_old_heap_vars): New function.
4284
4285 2005-11-08  Jason Merrill  <jason@redhat.com>
4286
4287         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4288
4289 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
4290
4291         PR target/19340
4292         * reg-stack.c (reg_to_stack): Update register liveness also
4293         for flag_sched2_use_traces.
4294
4295 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
4296
4297         PR target/23704
4298         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4299         override prior explicit -mno-powerpc-gfxopt.
4300
4301 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
4302
4303         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4304         if the bitsize is zero.
4305         * doc/md.texi (Standard Pattern Names): Document it.
4306
4307         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4308         (TARGET_PASS_BY_REFERENCE): Likewise.
4309
4310 2005-11-07  Ian Lance Taylor  <ian@airs.com>
4311
4312         PR rtl-optimization/24683
4313         * config/i386/i386.c (legitimize_pic_address): If constant operand
4314         to PLUS is too large, put it in a register.
4315
4316 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
4317
4318         * configure.ac: Enable checking assembler dwarf2 support for bfin
4319         target.
4320         * configure: Regenerate.
4321
4322 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4323
4324         PR target/24230
4325
4326         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4327         gen_easy_vector_constant_add_self): Delete.
4328         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4329         New.
4330         (output_vec_const_move): Use gen_easy_altivec_constant.
4331         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4332         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4333         (easy_vector_constant_add_self): Rewritten.
4334         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4335         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4336         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4337         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4338         Macroize and adjust for the other changes.
4339
4340 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4341
4342         PR c/24599
4343
4344         * c-typeck.c (build_c_cast): Try using a shared constant, and see
4345         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4346
4347 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
4348
4349         PR rtl-optimization/23567
4350         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4351         (noce_process_if_block): Don't do any optimizations except
4352         if (cond) x = x; if !set_b and write into orig_x may trap
4353         or fault.  Remove the MEM_READONLY_P check.
4354
4355 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
4356
4357         PR 24670
4358         * tree-vrp.c (fix_equivalence_set): New.
4359         (extract_range_from_assert): Call it.
4360
4361 2005-11-05  Ian Lance Taylor  <ian@airs.com>
4362
4363         PR target/22432
4364         * combine.c (apply_distributive_law): Don't distribute across a
4365         vector mode subreg.
4366
4367 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4368
4369         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4370         config/ms1/ms1.h, config/rs6000/predicates.md,
4371         config/s390/s390.c, params.def, postreload-gcse.c,
4372         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4373         tree-vrp.c, tree.c: Fix comment typos.
4374         * doc/invoke.texi: Fix typos.
4375
4376 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4377
4378         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4379         for testing whether the data_dependence_relation contains distance
4380         vectors.  Iterate over all distance vectors of the ddr.
4381         * lambda.h: Define a vec of lambda_vector pointers.
4382         * tree-data-ref.c (dump_data_dependence_relation,
4383         dump_data_dependence_direction): Iterate over all distance and
4384         direction vectors of the ddr.
4385         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4386         DDR_DIST_VECTS.
4387         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4388         of distance/direction vectors instead of a single one.
4389         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4390         lambda_vectors with a vec of lambda_vectors.
4391         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4392         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4393         DDR_NUM_DIST_VECTS): New.
4394         * tree-loop-linear.c (gather_interchange_stats): Test for the
4395         existence of distance vectors only after having checked that there
4396         is a dependence.  Iterate over all distance vectors of the ddr.
4397         (linear_transform_loops): Use dump_data_dependence_relation.
4398         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4399         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4400         distance vectors of the ddr.
4401
4402 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4403
4404         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4405         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4406         IS_INTHANDLER; all callers changed.
4407         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4408         account.
4409         (do_link, do_unlink): New argument ALL; all callers changed.
4410         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4411         If function isn't leaf, save and restore all registers.
4412         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4413         exception handler.
4414
4415 2005-11-05  Jan Hubicka  <jh@suse.cz>
4416
4417         PR rtl-optimization/23490
4418         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4419         max-flow-memory-location): Document.
4420         * flow.c: Include params.h
4421         (MAX_MEM_SET_LIST_LEN): Kill.
4422         (add_to_mem_set_list): Use new param.
4423         * cse.c (cse_basic_block): Replace 1000 by new param.
4424         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4425         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4426         * predict.c (predict_loops): Use new param.
4427         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4428
4429         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4430         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4431         Do not hold memory returned by cgraph_node_name across other call.
4432
4433 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4434
4435         PR target/23424
4436         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4437         Disable.
4438
4439 2005-11-04  Jeff Law  <law@redhat.com>
4440
4441         PR/21883
4442         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4443         * tree-ssa-dom.c: Include params.h.
4444         (thread_across_edge): If there are too many statements in the
4445         target block, then do not thread through it.
4446         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4447         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4448
4449 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4450
4451         PR 24627
4452         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4453         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4454
4455 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4456
4457         PR/18595
4458         * tree-scalar-evolution.c (instantiate_parameters_1,
4459         instantiate_parameters, resolve_mixers): Compute the size of an
4460         expression to be instantiated and give up the instantiation if the
4461         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4462
4463 2005-11-04  Richard Guenther  <rguenther@suse.de>
4464
4465         * tree-flow.h (ref_contains_indirect_ref): Rename to
4466         array_ref_contains_indirect_ref.
4467         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4468         (array_ref_contains_indirect_ref): Make comment match the code
4469         and vice-versa.
4470         (ref_contains_array_ref): Likewise.
4471         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4472         ref_contains_indirect_ref.
4473         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4474         Rename calls to ref_contains_indirect_ref.
4475
4476 2005-11-04 Paul Brook  <paul@codesourcery.com>
4477
4478         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4479         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4480         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4481         * config/arm/arm.md: Use match_operand in peephole input templates
4482         and match_dup in peephole output templates.
4483
4484 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4485
4486         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4487         __aeabi_uidiv.
4488
4489 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4490             Daniel Jacobowitz  <dan@codesourcery.com>
4491
4492         * longlong.h (add_ssaaaa): Clobber condition code register
4493         in ARM version.
4494         (sub_ddmmss): Likewise.
4495         (umul_ppmm): Likewise.
4496
4497 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4498             Paul Brook  <paul@codesourcery.com>
4499             Phil Blundell  <pb@reciva.com>
4500
4501         * configure.ac: Add test for ARM TLS support.
4502         * configure: Regenerated.
4503         * config/arm/arm-protos.h (legitimize_tls_address)
4504         (arm_tls_referenced_p, tls_mentioned_p)
4505         (arm_output_addr_const_extra): New prototypes.
4506         (thumb_legitimize_pic_address): Delete.
4507         * config/arm/arm.c: Include "gt-arm.h".
4508         (enum tls_reloc): New.
4509         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4510         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4511         (arm_call_tls_get_addr, legitimize_tls_address)
4512         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4513         (arm_init_tls_builtins, arm_emit_tls_decoration)
4514         (arm_output_addr_const_extra): New functions.
4515         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4516         (TARGET_HAVE_TLS): Define.
4517         (target_thread_pointer): New.
4518         (arm_override_options): Handle -mtp=.
4519         (legitimize_pic_address): Ignore UNSPECs.
4520         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4521         relative symbols.
4522         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4523         (tls_get_addr_libfunc): New variable.
4524         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4525         (arm_init_builtins): Call arm_init_tls_builtins.
4526         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4527         (arm_encode_section_info): Call default_encode_section_info.
4528         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4529         (enum arm_tp_type): New.
4530         (target_thread_pointer): Add declaration.
4531         (LEGITIMATE_CONSTANT_P): Handle TLS.
4532         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4533         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4534         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4535         * config/arm/arm.md: Add UNSPEC_TLS.
4536         (movsi): Handle TLS.
4537         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4538         non-PIC.
4539         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4540         (load_tp_hard, load_tp_soft): New insns.
4541         * arm.opt: Add -mtp=.
4542         * doc/invoke.texi (ARM Options): Document -mtp.
4543
4544 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4545
4546         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4547         * config/arm/libunwind.S: Include "lib1funcs.asm".
4548         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4549         (LIB2ADDEH): Add libunwind.S.
4550         (LIB2ADDEHDEP): Add lib1funcs.asm.
4551         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4552
4553 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4554
4555         PR fortran/18452
4556         * gcc/c.opt: Add a -lang-fortran option.
4557         * gcc/c-opts.c: Add a lang_fortran flag.
4558         (c_common_init_options): Handling the -lang-fortran option.
4559         (c_common_handle_option): Add a case for Fortran options in
4560         preprocessing. Remove cases for -ffixed-form and
4561         -ffixed-line-length. Add a case for -lang-fortran.
4562
4563 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4564
4565         * config/rs6000/rs6000.c: Include params.h
4566         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4567         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4568         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4569         (UNSPEC_VPKUWSS): Delete.
4570         (altivec_vpkuhss): Delete.
4571         (altivec_vpkuwss): Delete.
4572         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4573         final condition.
4574         (neg_eq0<mode>): Remove final condition.
4575         (neg_eq<mode>): Remove condition and split-condition.
4576
4577 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4578
4579         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4580         Use associated print macros.
4581
4582 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4583
4584         PR c++/17964
4585         * diagnostic.c (diagnostic_set_info_translated): New function.
4586         (diagnostic_set_info): Use it.  Add comment.
4587         * diagnostic.h (diagnostic_set_info_translated): Declare.
4588
4589 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4590
4591         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4592         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4593         reference only if 'public' is true.
4594         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4595         emit the .hidden directive only if the indirect reference is public.
4596         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4597         Pass it to dw2_force_const_mem.
4598         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4599         * dwarf2out.c (output_cfi): Adjust calls to above function.
4600         (output_call_frame_info): Likewise.
4601         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4602         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4603
4604 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4605
4606         PR tree-optimization/24483
4607         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4608         field to elts if possible.
4609
4610 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4611
4612         PR middle-end/23155
4613         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4614         CONSTRUCTOR.
4615
4616 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4617
4618         Fix PR tree-optimization/24351
4619
4620         * tree-ssa-structalias.c (struct variable_info): Add
4621         collapsed_into.
4622         (get_varinfo_fc): New function to follow collapsing.
4623         (new_var_info): Set collapsed_to to NULL.
4624         (dump_constraint): Follow collapsing.
4625         (build_constraint_graph): Handle collapsing.
4626         (do_simple_structure_copy): Return false if something bad
4627         happened.
4628         (collapse_rest_of_var): New function.
4629         (do_structure_copy): Collapse if do_simple_structure_copy returns
4630         false.
4631
4632 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4633
4634         PR middle-end/24589
4635         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4636         expressions to a statement list instead of gimplifying them.
4637
4638 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4639
4640         PR rtl-optimization/23585
4641         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4642         that can't trap plus a constant integer, if the mode has zero size.
4643
4644 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4645
4646         PR target/24620
4647         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4648         as operand 2.
4649         ("*insv<mode>_reg_extimm"): Likewise.
4650
4651 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4652
4653         PR c/24329
4654         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4655         c_common_type_for_mode returns an unnamed type.
4656
4657 2005-11-02  Richard Henderson  <rth@redhat.com>
4658
4659         PR target/9350
4660         PR target/24374
4661         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4662         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4663         * function.c (assign_parms): Use calls.internal_arg_pointer.
4664         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4665         code.
4666         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4667         (TARGET_CALLS): Add it.
4668         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4669         * targhooks.c (default_internal_arg_pointer): New.
4670         * targhooks.h (default_internal_arg_pointer): Declare.
4671         * tree.h (dwarf2out_reg_save_reg): Declare.
4672         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4673         * config/i386/i386.c (dbx_register_map): Add return column.
4674         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4675         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4676         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4677         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4678         (ix86_save_reg): Save force_align_arg_pointer.
4679         (ix86_emit_save_regs): Make regno unsigned.
4680         (ix86_emit_save_regs_using_mov): Likewise.
4681         (ix86_expand_prologue): Handle force_align_arg_pointer.
4682         (ix86_expand_epilogue): Likewise.
4683         * config/i386/i386.h: (dbx_register_map): Update.
4684         (dbx64_register_map, svr4_dbx_register_map): Update.
4685         (struct machine_function): Add force_align_arg_pointer.
4686         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4687         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4688         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4689
4690 2005-11-02  Jan Hubicka  <jh@suse.cz>
4691
4692         PR target/23303
4693         * i386.md: Add peep2 for simplyfing array accesses.
4694
4695 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4696
4697         PR target/24615
4698         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4699         * config/s390/s390.c (s390_decompose_shift_count): New function.
4700         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4701         (print_shift_count_operand): Use s390_decompose_shift_count.
4702         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4703         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4704
4705 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4706
4707         PR target/24600
4708         * loop.c (loop_givs_rescan): Use force_operand to expand
4709         complex GIVs.
4710
4711 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4712
4713         PR 22429
4714         * fold-const.c (build_range_check): Use unsigned when signed
4715         overflow is undefined also.  If etype is subtype, make sure that
4716         the subtraction is in the supertype.
4717
4718 2005-11-02  Richard Henderson  <rth@redhat.com>
4719
4720         PR target/24178
4721         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4722         by MEM_ALIGN.
4723
4724 2005-11-01  Richard Henderson  <rth@redhat.com>
4725
4726         PR 21518
4727         * loop.c (scan_loop): Do not propagate computations to a hard
4728         register destination with SMALL_REGISTER_CLASSES.
4729
4730 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4731
4732         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4733         costs for MULT inside PLUS or MINUS.
4734
4735 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4736
4737         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4738         (TRAMPOLINE_SIZE): Round up to 60.
4739         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4740
4741 2005-10-31  James E. Wilson  <wilson@specifix.com>
4742
4743         PR debug/24444
4744         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4745         ifdef.  Put ifdefs around call in gen_subprogram_die.
4746         (compute_frame_pointer_to_cfa_displacement): Likewise.
4747         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4748         not defined.
4749
4750         PR rtl-optimization/17356
4751         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4752         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4753
4754 2005-10-31  Jan Hubicka  <jh@suse.cz>
4755
4756         PR middle-end/24093
4757         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4758
4759         PR target/20928
4760         * i386.c (legitimize_pic_address): Deal with large immediates.
4761
4762         PR profile/20815
4763         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4764         from symbol names while computing checkup.
4765
4766         PR profile/24487
4767         * predict.c (predict_loops): Do not estimate more than
4768         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4769         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4770
4771 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4772
4773         PR tree-optimization/19097
4774         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4775
4776 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4777
4778         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4779
4780 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4781
4782         PR middle-end/23492
4783         * tree-inline.c (setup_one_parameter): If the init_stmt
4784         is NULL, don't insert the statement.
4785
4786 2005-10-30  Jan Hubicka  <jh@suse.cz>
4787
4788         PR tree-optimization/24172
4789         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4790
4791 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4792
4793         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4794         constants for hosts with long != 32 bits.
4795
4796 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4797
4798         PR middle-end/24093
4799         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4800
4801 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4802
4803         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4804         (TARGET_MS1_16_002): New.
4805         (TARGET_MS1_16_003): New.
4806
4807         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4808         ("*decrement_and_branch_until_zero_no_clobber"): New.
4809         Add corresponding splitter for decrement_and_branch_until_zero
4810         instruction.
4811         Key all decrement_and_branch_until_zero patterns off of
4812         TARGET_MS1_16_003.
4813
4814 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4815
4816         PR middle-end/24362
4817         * tree-complex.c (extract_component): Treat RESULT_DECL
4818         like the rest of the decls.
4819
4820 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4821
4822         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4823         indirect call to _mcount if the function needs a static chain.
4824
4825 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4826             Caroline Tice  <ctice@apple.com>
4827
4828         PR rtl-optimization/24460
4829         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4830         (dwarf2out_switch_text_section): Set it to true instead of
4831         incrementing separate_line_info_table_in_use.
4832         (output_loc_list): Additionally test have_switched_text_sections.
4833         (output_ranges): Likewise.
4834         (dwarf2out_finish): Likewise.
4835         * varasm.c (assemble_start_function): Do not call
4836         insert_section_boundary_note.
4837         (assemble_end_function): If flag_reorder_blocks_and_partition,
4838         switch to the function's section before emitting the .size directive.
4839         * bb-reorder.c (insert_section_boundary_note): Staticify.
4840         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4841         * output.h (insert_section_boundary_note): Delete.
4842
4843 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4844
4845         PR c/23103
4846         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4847         instead of pointer equality when comparing types.
4848
4849 2005-10-24  James E. Wilson  <wilson@specifix.com>
4850
4851         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4852         add_dependence_list_and_free calls.
4853
4854 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4855
4856         * contrib.texi: Add the names of the LLNL folks who donated
4857         Cray pointer support for gfortran.
4858
4859 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4860
4861         PR tree-optimization/24225
4862         * profile.c (branch_prob): Look from end to start through a
4863         basic block when looking for a locus.
4864
4865 2005-10-24  Richard Henderson  <rth@redhat.com>
4866
4867         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4868         parallel.
4869         (hppa_expand_prologue): Likewise.
4870
4871 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4872
4873         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4874         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4875         * pa.h (NO_PROFILE_COUNTERS): Define.
4876         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4877         (funcdef_nos): New vector to hold label numbers of deferred profile
4878         counters.
4879         (output_deferred_profile_counters): New function.
4880         (hppa_profile_hook): Push label number onto funcdef_nos.
4881         (pa_hpux_file_end): Call output_deferred_profile_counters if
4882         NO_DEFERRED_PROFILE_COUNTERS is false.
4883
4884         * pa-protos.h (get_deferred_plabel): New prototype.
4885         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4886         Make global.
4887         (output_call): Adjust calls.
4888
4889 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4890
4891         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4892         peculiarity of GOT/TOC section usage.
4893
4894 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4895
4896         PR objc/24435
4897          * c-common.c (constant_string_class_name): Add documentation.
4898
4899 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4900
4901         PR target/23832
4902         * recog.c (peephole2_optimize): Increment peep2_current_count
4903         only when the slot is empty.
4904
4905 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4906
4907         PR ada/23957
4908         * except.c (output_function_exception_table): Call
4909         assemble_external_libcall if we need a personality function.
4910
4911 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4912
4913         PR rtl-optimization/24460
4914         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4915         set the basic block for barriers.
4916
4917 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4918
4919         * var-tracking.c (vt_initialize): Initialize post.
4920
4921 2005-10-21  Devang Patel  <dpatel@apple.com>
4922
4923         PR/24220
4924         * c-common.c (vector_types_convertible_p): Check vector element type.
4925
4926 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4927
4928         * config/sh/sh.c (prepare_move_operands): Handle the address
4929         constant which is a tls symbolic address plus a constant.
4930
4931 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4932
4933         PR driver/24473
4934         * gcc.c (main): Use the correct counter for erroring out
4935         about mulitple files.
4936
4937 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4938
4939         PR target/24465
4940         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4941         use r2 for 64-bit tls .got access.
4942
4943 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4944
4945         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4946         TRUTH_OR_EXPR.
4947
4948 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4949
4950         PR tree-optimization/24307
4951         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4952
4953 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4954
4955         PR middle-end/24295
4956         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4957         alias targets.
4958         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4959         is ready, stop marking functions, but still mark variables.
4960
4961 2005-10-20  Richard Guenther  <rguenther@suse.de>
4962
4963         PR c++/24439
4964         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4965         void type operands.
4966
4967 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4968
4969         PR rtl-optimization/23585
4970         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4971         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4972         (may_trap_p_1): New predicate extracted from...
4973         (may_trap_p): ... here.  Invoke may_trap_p_1.
4974         (may_trap_or_fault_p): New predicate.
4975         * rtl.h (may_trap_or_fault_p): Declare it.
4976         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4977         instead of may_trap_p.
4978         (steal_delay_list_from_fallthrough): Likewise.
4979         (fill_simple_delay_slots): Likewise.
4980         (fill_slots_from_thread): Likewise.
4981         * function.c (pad_to_arg_alignment): Rework comment about
4982         SPARC_STACK_BOUNDARY_HACK.
4983         * config/sparc/sparc.h: Likewise.
4984
4985 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4986
4987         * config/s390/s390.c (s390_expand_insv): New.
4988         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4989         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4990         ("icm_hi"): Remove mode attribute.
4991         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4992         Adjust all uses.
4993         ("*extracthi", "*extractqi"): Remove.
4994         (extv<mode>", "*extzv<mode>"): New.
4995         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4996         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4997
4998 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4999
5000         * cfgexpand.c (discover_nonconstant_array_refs_r,
5001         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5002         (tree_expand_cfg): Call discover_nonconstant_array_refs.
5003         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5004         discover_nonconstant_array_refs.
5005
5006 2005-10-19  Steven Bosscher  <stevenb@suse.de>
5007
5008         PR c/23228
5009         * c-decl.c (pop_scope): Don't warn about an unused variable
5010         if it is marked with TREE_NO_WARNING.
5011         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5012         somenow mismatch and olddecl is to be replaced.
5013
5014 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
5015
5016         PR middle-end/23199
5017         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5018         whether registers live on the edge can be saved/restored.
5019
5020 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
5021
5022         * config/sh/sh.c (fixup_mova): Skip notes.
5023
5024 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5025
5026         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5027         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5028         (s390_can_eliminate): Handle BASE_REGNUM elimination.
5029         (s390_initial_elimination_offset): Likewise.
5030         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5031         register on TARGET_ZARCH targets.
5032         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5033         (INITIAL_FRAME_POINTER_OFFSET): Remove.
5034         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5035         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5036
5037 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5038
5039         * config/s390/s390.md: Comment describing output modifiers updated.
5040         * config/s390/s390.c (print_operand): Likewise.
5041
5042 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5043
5044         * config/s390/s390.c (override_options): Added check for -mstack-size
5045         64k limitation.
5046         * doc/invoke.texi: Mention that limit in the documenation.
5047
5048 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
5049
5050         PR #19672
5051         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5052
5053 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
5054
5055         Fix PR tree-optimization/24231
5056
5057         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5058         (compute_avail): Ditto.
5059
5060 2005-10-18  Richard Henderson  <rth@redhat.com>
5061
5062         PR target/24428
5063         * config/i386/i386.c (legitimate_constant_p): Check
5064         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
5065         if LABEL_REF.
5066         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5067         (legitimate_pic_address_disp_p): Reorg CONST checking to make
5068         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
5069         directly.
5070         (print_operand_address): Likewise.
5071         * config/i386/predicates.md (x86_64_immediate_operand): Test
5072         SYMBOL_REF_TLS_MODEL properly inside CONST.
5073         (x86_64_zext_immediate_operand): Likewise.
5074         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5075         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5076         * config/i386/i386-protos.h: Remove predicates.md entries.
5077
5078 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
5079
5080         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5081         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5082
5083 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
5084             Ian Lance Taylor <ian@airs.com>
5085
5086         PR middle-end/23522
5087         * fold-const.c (fold_widened_comparison): Do not allow range based
5088         constant folding when right operand cannot be unwidened.
5089
5090 2005-10-17  Richard Henderson  <rth@redhat.com>
5091
5092         * builtins.c (expand_builtin_synchronize): Build a new-style asm
5093         with a memory clobber.
5094
5095 2005-10-17  James E Wilson  <wilson@specifix.com>
5096
5097         PR rtl-optimization/17356
5098         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5099         checking for EDGE_EH.
5100
5101 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
5102
5103         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5104         the slot on an even boundary for any type with 16-byte alignment.
5105
5106 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
5107
5108         PR target/23424
5109         * md.texi (Modifiers) <%>: Clarify that % doesn't work
5110         after register allocation.
5111
5112 2005-10-17  DJ Delorie  <dj@redhat.com>
5113
5114         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5115         as frame related.
5116
5117 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
5118
5119         PR c++/22551
5120         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5121         overflow flags.
5122
5123 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
5124
5125         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5126         to 2 if it's already non-zero.
5127         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5128         is set and warn about it if flag_schedule_insns is 1.
5129
5130 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
5131
5132         * config/crx/crx.md: Compare-and-branch instructions need to
5133         invalidate CC.
5134
5135 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
5136
5137         PR target/24315
5138         * config/i386/i386.md (*pushdi2_rex64 splitter)
5139         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5140         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5141         flow2 pass only when (optimize > 0 && flag_peephole2).
5142
5143 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
5144
5145         PR driver/22544
5146         * gcc.c (have_c): New static variable.
5147         (have_o): Likewise.
5148         (process_command): Remove declation of have_c.
5149         Set have_o to 1 when handling -o.
5150         (main): Add a fatel error if there are multiple
5151         files specified and -o and -c/-S is passed witout
5152         -combine or multiple languages.
5153
5154 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
5155
5156         Fix PR tree-optimization/22444
5157         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5158         Assert that we don't hit something with subvars.
5159         (setup_pointers_and_addressables): Don't add things with subvars,
5160         because we'll already process the subvars for aliasing purposes.
5161
5162 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
5163
5164         PR target/23424
5165         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5166         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5167         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5168         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5169         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5170         swapped, alternatives for the R constraint.
5171
5172         PR middle-end/24341
5173         * builtins.c (get_builtin_sync_mode): Make unlimited
5174         mode_for_size request.
5175
5176 2005-10-15  Richard Henderson  <rth@redhat.com>
5177
5178         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5179         (gimplify_expr): ... here.
5180         (gimplify_compound_lval): Use it in initial scan loop.  Allow
5181         fb_lvalue in base expression.
5182
5183 2005-10-15  Richard Henderson  <rth@redhat.com>
5184
5185         PR 23714
5186         * builtins.c (expand_builtin_trap): Export.
5187         * expr.h (expand_builtin_trap): Declare.
5188         * expr.c (expand_assignment): Emit a trap for integral offsets
5189         from registers that weren't reduced to bitpos.
5190
5191         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5192         (mark_array_ref_addressable): Remove.
5193         * tree-flow.h (mark_array_ref_addressable): Remove.
5194         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5195
5196 2005-10-15  James E Wilson  <wilson@specifix.com>
5197
5198         PR target/24232
5199         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
5200         (add_dependence_list_and_free): Likewise.
5201         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5202         call.
5203
5204 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
5205
5206         PR 23141
5207         PR 23142
5208         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5209         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5210         anti-range.
5211         (vrp_visit_phi_node): Only prevent infinite iterations when
5212         the previous result and the new result are both VR_RANGEs.
5213
5214 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
5215
5216         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5217         function comment.
5218
5219 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5220
5221         PR c/23439
5222         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5223         to initialize loc.
5224
5225 2005-10-14  Per Bothner  <per@bothner.com>
5226
5227         PR preprocessor/21250
5228         * c-ppoutput.c (print_line): Print internal line 0 as 1.
5229
5230 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
5231
5232         PR c++/22551
5233         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5234         overflow flags.  Refactor some conditionals.
5235
5236 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
5237
5238         PR tree-opt/21304
5239         * tree-dfa.c (add_referenced_var): Only look at decls which
5240         have TREE_CONSTANT or TREE_READONLY set instead of if
5241         !TREE_PUBLIC or !TREE_CONSTANT.
5242
5243 2005-10-13  James E Wilson  <wilson@specifix.com>
5244
5245         * doc/invoke.texi: For -x, add f95-cpp-input.
5246         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5247
5248 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5249
5250         PR tree-optimization/24262
5251         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5252         in loop all the time.
5253
5254 2005-10-12  Richard Henderson  <rth@redhat.com>
5255
5256         PR c/24255
5257         * tree.h (DECL_TRANSPARENT_UNION): Remove.
5258         * function.c (assign_parm_find_data_types): Don't support it.
5259         * print-tree.c (print_node): Likewise.
5260         * c-common.c (handle_transparent_union_attribute): Likewise.
5261         Use build_duplicate_type.
5262         * tree-inline.c (remap_type_1): Split out of remap_type;
5263         properly remap aggregate fields.
5264         (build_duplicate_type): New.
5265         * doc/extend.texi (Variable Attributes): Remove documentation
5266         for transparent_union.
5267
5268 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5269
5270         PR target/24284
5271         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5272         (gen_stack_pointer_dec): Likewise.
5273
5274 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
5275
5276         PR middle-end/21275
5277         PR middle-end/21766
5278         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5279         target hook.
5280         (struct cxx): Add adjust_class_at_definition target hook.
5281         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5282         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5283         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5284         hook_void_tree. Add to TARGET_CXX.
5285         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5286         dllimport_flag.
5287         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5288         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5289         instead of attribute. Check for dllexport override.  Warn if
5290         inconsistent dll linkage. Don't lose old dllimport if decl has
5291         had address referenced.   Tweak lookup of dllimport atribute.
5292         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5293         for target specific rules.  Don't add dllimport attribute if
5294         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
5295         dllimport attribute.
5296         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5297         * varasm.c (initializer_constant_valid_p): Replace
5298         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5299
5300         PR target/21801
5301         PR target/23589
5302         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5303         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5304         (i[34567]86-*-mingw32*): Likewise.
5305
5306         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5307         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5308
5309         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5310         C++-specific code. Change return value to bool.
5311         (i386_pe_dllimport_p): Likewise.
5312         (associated_type): Simplify and make language-independent
5313         (i386_pe_encode_section_info): Replace override of ambiguous
5314         dllimport symbol refs with a gcc_assert.
5315         (i386_pe_valid_dllimport_attribute_p): Define.
5316         * config/i386/winnt-cxx.c: New file. Define C++ versions of
5317         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5318         i386_pe_adjust_class_at_definition.
5319         * config/i386/winnt-stubs.c: New file. Define stub versions of
5320         lang-specific functions.
5321         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5322         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5323         i386_pe_adjust_class_at_definition.
5324         (i386_pe_valid_dllimport_attribute_p): Declare.
5325         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5326         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5327         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5328
5329         PR target/19704
5330         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5331         dllimport attribute with test of DECL_DLLIMPORT_P.
5332
5333 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
5334
5335         * combine.c (make_extraction): Correct offset computation.
5336
5337 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5338
5339         * config/cris/t-linux (LIMITS_H_TEST): Define.
5340
5341 2005-10-12  Richard Henderson  <rth@redhat.com>
5342
5343         PR rtl-opt/23324
5344         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5345
5346 2005-10-12  Richard Guenther  <rguenther@suse.de>
5347
5348         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5349
5350 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5351
5352         PR c++/19964
5353         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5354         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5355         type.
5356
5357 2005-10-12  Richard Guenther  <rguenther@suse.de>
5358
5359         PR c++/23799
5360         * varasm.c (output_constant): Correct typo from previous
5361         patch by DJ.
5362
5363 2005-10-11  Ian Lance Taylor  <ian@airs.com>
5364
5365         PR rtl-optimization/13931
5366         * combine.c: Revert patch of 2003-05-14, and:
5367         (try_combine): Only set elim_i1 and elim_i2 if the destination is
5368         completely killed in the appropriate insn.
5369         (distribute_notes): Don't skip multiple hard register test for
5370         elim_i1 and elim_i2.
5371
5372 2005-10-11  Richard Henderson  <rth@redhat.com>
5373
5374         PR c/24255
5375         * c-typeck.c (convert_for_assignment): Use build_constructor_single
5376         to initialize a transparent union instead of a nop_expr.
5377
5378 2005-10-11  Richard Henderson  <rth@redhat.com>
5379
5380         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5381         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5382         (tree_ssa_dce_loop): Call scev_reset.
5383
5384         PR tree-opt/24300
5385         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5386         * tree-ssa-dce.c: Include cfgloop.h.
5387         (tree_ssa_dce_loop, pass_dce_loop): New.
5388         * tree-pass.h (pass_dce_loop): Declare it.
5389         * passes.c (init_optimization_passes): Use it.
5390
5391 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5392
5393         PR middle-end/24263
5394         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5395         Only apply the optimization for rounding builtins if the inner
5396         cast is also an extension.
5397
5398 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5399
5400         PR tree-opt/23946
5401         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5402         mark_new_vars_to_rename instead of update_stmt.
5403
5404 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5405
5406         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5407
5408 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5409
5410         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5411         for setting MMX register to 0 rather than mmx.
5412
5413 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5414
5415         PR target/12098
5416         * configure.ac: Move gas check from mips specific case to common case.
5417         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5418         * configure: Regenerate
5419         * doc/install.texi: Update.
5420
5421 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5422
5423         PR target/24284
5424         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5425
5426 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5427
5428         * gcc.c (do_spec_1): Accept numeric characters in file name
5429         suffixes.
5430
5431 2005-10-10  Nick Clifton  <nickc@redhat.com>
5432
5433         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5434         describing the deleted arm_gen_rotated_half_load function.
5435
5436 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5437
5438         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5439         __fpscr_values.
5440
5441 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5442
5443         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5444         gnu_ld assignments.
5445         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5446         (EXTRA_MULTILIB_PARTS): Define.
5447         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5448         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5449         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5450         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5451         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5452         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5453
5454 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5455
5456         PR tree-optimization/24226
5457         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5458         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5459         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5460         Export.
5461
5462 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5463
5464         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5465
5466 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5467
5468         PR target/24136
5469         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5470         Rewrite for no need for the early clobber.
5471
5472 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5473
5474         Merge from csl-arm-branch:
5475         2005-09-07  Paul Brook  <paul@codesourcery.com>
5476         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5477         space to string.
5478
5479         2005-04-30  Paul Brook  <paul@codesourcery.com>
5480         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5481         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5482
5483         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5484         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5485         (arm_override_options): Use TARGET_AAPCS_BASED.
5486         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5487         (PTRDIFF_TYPE): Use int for AAPCS.
5488         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5489         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5490         (DEFAULT_SHORT_ENUMS): Delete.
5491         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5492
5493         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5494         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5495         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5496         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5497
5498         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5499         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5500
5501         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5502         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5503
5504         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5505         * config.gcc (arm*-*-linux-gnueabi): Add it.
5506         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5507         redefining it.
5508         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5509         * config/arm/linux-eabi.h: New file.
5510         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5511         (LINUX_TARET_LINK_SPEC): Likewise.
5512         (LINK_SPEC): Use it.
5513         * config/arm/t-linux-eabi: New file.
5514
5515 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5516
5517         PR other/22202
5518         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5519         spaces.
5520         (PARAM_SMS_DFA_HISTORY): Likewise.
5521
5522 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5523
5524         PR middle-end/23150
5525         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5526         (load_register_parameters): Call it.
5527         (check_sibcall_argument_overlap_1): Likewise.
5528         (store_one_arg): Likewise.
5529
5530 2005-10-07  James E. Wilson  <wilson@specifix.com>
5531
5532         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5533         DImode not VECINT24 for operand 2.
5534
5535         PR target/23644
5536         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5537         -mtune-arch.
5538
5539         PR target/24193
5540         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5541         fr_spill): Use destination_operand for operand 0.
5542
5543 2005-10-07  DJ Delorie  <dj@redhat.com>
5544
5545         * varasm.c (output_constant): Limit error to expanding
5546         conversions.
5547
5548 2005-10-07  Richard Guenther  <rguenther@suse.de>
5549
5550         PR middle-end/24227
5551         * fold-const.c (fold_binary): Fix operand types during folding
5552         of X op (A, Y).  Evaluation order of the side-effects of
5553         X and A are frontend-defined, so ensure we honour that even for
5554         tcc_comparison class operands; eased by removing duplicate code.
5555
5556 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5557
5558         * stor-layout.c (layout_type): Do not allow alignment of array
5559         elements to be greater than their size.
5560
5561 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5562
5563         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5564         host_xmake_file.
5565         (hppa*-*-linux*): Ditto.
5566         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5567         * config/host-hpux.c: New.
5568         * config/x-hpux: New.
5569         * config/pa/x-hpux: Remove.
5570         * config/pa/x-linux: Remove.
5571         * config/pa/pa-host.c: Remove.
5572
5573 2005-10-07  Jeff Law  <law@redhat.com>
5574
5575         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5576         determine whether or not to try and thread outgoing edges.
5577
5578 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5579
5580         * config/rs6000/rs6000.md (eqsi_power): New.
5581         (neg_eq0si): Add TARGET_POWER to final condition.
5582         (neg_eqsi): Same.
5583
5584 2005-10-06  Richard Henderson  <rth@redhat.com>
5585
5586         * config/rs6000/rs6000.c: Revert last change.
5587
5588 2005-10-06  Richard Henderson  <rth@redhat.com>
5589
5590         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5591         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5592
5593 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5594
5595         PR middle-end/22216
5596         PR middle-end/23651
5597         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5598         out return_label and naked_return_label.
5599
5600 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5601
5602         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5603         change.
5604
5605 2005-10-06  Richard Henderson  <rth@redhat.com>
5606
5607         PR tree-opt/22237
5608         * tree-inline.c (declare_return_variable): Handle modify_dest not
5609         being a DECL.
5610
5611 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5612
5613         Fix PR tree-optimization/22488
5614         * tree-ssa-structalias.c (check_for_overlaps): New function.
5615         (create_variable_info_for): Use it.
5616
5617 2005-10-06  Richard Henderson  <rth@redhat.com>
5618
5619         PR debug/24070
5620         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5621         (dwarf2out_start_source_file): Print it.
5622
5623 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5624
5625         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5626
5627 2005-10-06  Richard Henderson  <rth@redhat.com>
5628
5629         PR 23706
5630         * mode-switching.c (optimize_mode_switching): Clear transp bit
5631         for block with incomming abnormal edges.
5632
5633         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5634         (fpscr_set_from_mem): Use them.
5635         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5636         (fpscr postinc splitters): Rewrite as peephole2+split.
5637
5638 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5639
5640         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5641         (eq<mode>_compare): Same.
5642
5643 2005-10-06  Richard Guenther  <rguenther@suse.de>
5644
5645         PR tree-optimization/24238
5646         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5647
5648 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5649
5650         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5651         here.  Use AC_PATH_PROG for environment variables instead of
5652         test -x.
5653         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5654         objdump also.
5655         * configure: Regenerated.
5656
5657 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5658
5659         PR target/23783
5660         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5661         then force it into a register.
5662         (call_value): Likewise.
5663
5664 2005-10-06  Richard Henderson  <rth@redhat.com>
5665
5666         PR 24049
5667         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5668         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5669         under pass_vectorize.
5670
5671 2005-10-05  Devang Patel  <dpatel@apple.com>
5672
5673         PR Debug/23205
5674         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5675         handling constants. Check NAMESPACE_DECL context for constants.
5676
5677 2005-10-05  Eric Christopher  <echristo@apple.com>
5678
5679         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5680
5681 2005-10-05  Richard Henderson  <rth@redhat.com>
5682
5683         PR 23714
5684         * tree-cfg.c (mark_array_ref_addressable_1): New.
5685         (mark_array_ref_addressable): New.
5686         * tree-flow.h (mark_array_ref_addressable): Declare.
5687         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5688
5689 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5690
5691         PR middle-end/20606
5692         PR middle-end/24069
5693         * reload.c (subst_reloads): When adding a REG_LABEL to a
5694         jump instruction, also update JUMP_LABEL.
5695
5696 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5697
5698         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5699         * bb-reorder.c (copy_bb_p): Use it.
5700         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5701
5702 2005-10-05  Richard Henderson  <rth@redhat.com>
5703
5704         PR target/23602
5705         * toplev.c (process_options): Warn about unsupported combinations
5706         of unwind tables and omit-frame-pointer.
5707         * config/i386/i386.c (override_options): Similarly.  Enable
5708         accumulate-outgoing-args if not explicitly disabled.
5709
5710 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5711
5712         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5713         Handle big endian vs. small endian.
5714         (vec_initv2sf): Handle big endian vs. small endian.
5715         (*vec_extractv2sf_1): Ditto.
5716
5717 2005-10-05  Dale Johannesen  <dalej@apple.com>
5718
5719         * convert.c (convert_to_real):  Don't convert
5720         (float)floor(double d) to floorf((float)d).
5721
5722 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5723
5724         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5725
5726 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5727
5728         PR tree-optimization/18587
5729         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5730         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5731         build_vuses): Change to VEC type.
5732         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5733         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5734         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5735         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5736         (get_name_decl): New.  Return DECL_UID of base variable.
5737         (operand_build_cmp): New.  qsort comparison routine.
5738         (operand_build_sort_virtual): New.  Sort virtual build vector.
5739         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5740         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5741         (FINALIZE_BASE): Use get_name_decl.
5742         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5743         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5744         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5745         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5746         direct VEC_* manipulations.
5747         (build_ssa_operands): Call operand_build_sort_virtual.
5748         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5749         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5750         with direct VEC_* manipulations.
5751         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5752         with direct VEC manipulations.
5753
5754 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5755
5756         PR tree-optimization/21419
5757         PR tree-optimization/24146
5758         PR tree-optimization/24151
5759
5760         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5761         (build_asm_expr): Call it if outputs are read-only.
5762         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5763
5764 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5765             Paolo Bonzini  <bonzini@gnu.org>
5766
5767         PR target/23809
5768
5769         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5770         enable the instructions and not just the built-ins.
5771         * doc/invoke.texi (x86 Options): Likewise.
5772
5773 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5774
5775         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5776
5777         * doc/invoke.texi (Option Summary): Correct spelling
5778         of -mmacosx-version-min.
5779
5780 2005-10-04  Devang Patel  <dpatel@apple.com>
5781
5782         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5783         real types.
5784
5785 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5786
5787         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5788         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5789
5790 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5791
5792         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5793         ("TE","tg"): New mode attributes.
5794         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5795         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5796         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5797         dword_mode and one for GPRmode.
5798
5799 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5800
5801         PR preprocessor/13726
5802         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5803         any comments passed in.
5804
5805 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5806
5807         * tree.c (annotate_with_file_line): Fix typo.
5808
5809 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5810
5811         PR ada/19382
5812         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5813         type used to access data in the inlined length == 1 case, use
5814         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5815         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5816
5817 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5818
5819         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5820         TARGET_SSE3 and only for TARGET_80387.
5821         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5822         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5823         Do not depend on TARGET_80387.
5824
5825 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5826
5827         * tree.c (last_annotated_node): Change type to location_t*.
5828         (annotate_with_file_line): Reflect the change of
5829         last_annotated_node type.
5830
5831 2005-10-04  Richard Guenther  <rguenther@suse.de>
5832
5833         PR c/23576
5834         * c-decl.c (grokdeclarator): Don't write to fields
5835         of error_mark_node.
5836
5837 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5838
5839         PR middle-end/23125
5840         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5841         register variables.
5842         * varasm.c (make_decl_rtl): If a register variable does not
5843         have a set user assmbler name, error out.
5844         Decode the asmspec is now name+1 bypassing '*'.
5845
5846 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5847
5848         PR tree-optimization/23049
5849         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5850         of a COND_EXPR is folded before calling fold on the whole rhs of a
5851         conditional assignment.
5852         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5853         document that a COND_EXPR may appear there.
5854
5855 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5856
5857         PR 23445
5858         * tree-vrp.c (extract_range_from_assert): If the new numeric
5859         range created out of the assertion contradicts the existing
5860         numeric range of the ASSERT_EXPR variable, make the new range
5861         varying.
5862
5863 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5864
5865         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5866         from T_REGS to FP register class.
5867
5868 2005-10-03  Richard Henderson  <rth@redhat.com>
5869
5870         PR 24135
5871         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5872         before creating a new one.
5873
5874 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5875
5876         * config/rs6000/t-aix43 (LDFLAGS): New.
5877         * config/rs6000/t-aix52 (LDFLAGS): New.
5878
5879 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5880
5881         * gimplify.c (find_single_pointer_decl_1): New static function.
5882         (find_single_pointer_decl): New static function.
5883         (internal_get_tmp_var): For a formal variable, set restrict base
5884         information if appropriate.
5885         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5886         return it.
5887         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5888         (DECL_GET_RESTRICT_BASE): Define.
5889         (SET_DECL_RESTRICT_BASE): Define.
5890         (decl_restrict_base_lookup): Declare.
5891         (decl_restrict_base_insert): Declare.
5892         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5893         * tree.c (restrict_base_for_decl): New static variable.
5894         (init_ttree): Initialize restrict_base_for_decl.
5895         (copy_node_stat): Copy restrict base information.
5896         (decl_restrict_base_lookup): New function.
5897         (decl_restrict_base_insert): New function.
5898         (print_restrict_base_statistics): New static function.
5899         (dump_tree_statistics): Call print_restrict_base_statistics.
5900
5901 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5902
5903         PR 24142
5904         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5905         case of anti-ranges.
5906
5907 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5908
5909         PR c/18851
5910         * c-typeck.c (tagged_tu_seen): Rename to ...
5911         (tagged_tu_seen_cache): this and add val field.
5912         (comptypes): Move functional to comptypes_internal
5913         and free tagged_tu_seen.
5914         (comptypes_internal): New function and call comptypes_internal
5915         instead of comptypes. Speed up by sibcalling
5916         tagged_types_tu_compatible_p.
5917         (alloc_tagged_tu_seen): New function
5918         (free_all_tagged_tu_seen_up_to): New function.
5919         (tagged_types_tu_compatible_p): Return the val of the seen two
5920         types.
5921         Add that the two types are the same to tagged_tu_seen_base
5922         if they are and call comptypes_internal instead of comptypes.
5923         <case UNION_TYPE>: Speed up common type where the fields are
5924         in the same order.
5925         (function_types_compatible_p): Call comptypes_internal instead of
5926         comptypes.
5927         (type_lists_compatible_p): Likewise.
5928         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5929
5930 2005-10-02  Matthias Klose  <doko@debian.org>
5931
5932         * doc/invoke.texi: Fix typo and speling error.
5933
5934 2005-10-01  Richard Henderson  <rth@redhat.com>
5935
5936         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5937
5938 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5939
5940         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5941         using --start-group and --end-group.
5942
5943 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5944
5945         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5946         FIXME note regarding quirky semantics.
5947
5948 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5949
5950         PR 24141
5951         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5952         non-null range as a last resort.
5953
5954 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5955             Diego Novillo  <dnovillo@redhat.com>
5956
5957         PR 23604
5958         * tree-vrp.c (extract_range_from_assert): For !=
5959         assertions, only build an anti-range if LIMIT is a
5960         single-valued range.
5961
5962 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5963
5964         * arm.md (movqi): On thumb when optimizing, handle loading from
5965         memory by describing this as taking a subreg of a zero-extended load
5966         into an SImode register.
5967         (movhi): Likewise.
5968
5969 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5970
5971         * reload1.c (merge_assigned_reloads): Do not change any
5972         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5973
5974 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5975
5976         * Makefile.in (LIPO_FOR_TARGET): Define.
5977         (STRIP_FOR_TARGET): Define.
5978
5979         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5980         before creating new ones.  Do symlinks before creating the actual
5981         targets.
5982
5983         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5984         to work out which multilibs are actually being built.
5985
5986 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5987
5988         * tree-vect-transform.c, config/ms1/ms1.md,
5989         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5990         Follow spelling conventions.
5991         * doc/invoke.texi, doc/md.texi: Fix typos.
5992
5993 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5994
5995         PR tree-optimization/21430
5996         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5997         use operands, and set stmt pointer if need be.
5998         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5999         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6000         present.
6001
6002 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6003
6004         PR middle-end/24053
6005         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6006
6007 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
6008
6009         * optabs.c (expand_binop): Initialize first_pass_p.
6010
6011 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
6012
6013         PR middle-end/24109
6014         * c-decl.c (c_write_global_declarations_1): If any
6015         wrapup_global_declaration_2 call returned true, restart the loop.
6016
6017 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
6018
6019         Fix PR tree-optimization/24117
6020         * tree-ssa-structalias.c (find_func_aliases): Strip nops
6021         before considering whether to use anyoffset.
6022
6023 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6024
6025         Revert this patch:
6026
6027         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6028
6029         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6030         to order operands.
6031         (swap_commutative_operands_with_target): New.
6032
6033 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6034
6035         PR c/21419
6036         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6037         read-only.
6038
6039 2005-09-29  Steven Bosscher  <stevenb@suse.de>
6040
6041         PR tree-optimization/23911
6042         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6043         and IMAGPART_EXPR too.
6044
6045 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
6046
6047         PR 17886
6048         * expmed.c (expand_shift): Move logic to reverse rotation
6049         direction when  rotating by constants ...
6050         * optabs.c (expand_binop): ... here.
6051         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6052         (ix86_rotrdi3): New pattern.
6053         (rotldi3): Handle 32-bit mode.
6054         (ix86_rotldi3): New pattern.
6055
6056 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
6057
6058         PR target/24102
6059         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6060         check for numbers that need no bit twiddle.
6061
6062 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
6063
6064         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6065         multilib to be built.
6066
6067         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6068         (stage1-start): Delete old libgcc and libunwind before moving
6069         anything into the stage directory.
6070         (stage2-start): Likewise.
6071         (stage3-start): Likewise.
6072         (stage4-start): Likewise.
6073         (stageprofile-start): Likewise.
6074         (stagefeedback-start): Likewise.
6075         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6076         header in tm_file and CPU-specific t-darwin in tmake_file.
6077         (i[34567]86-*-darwin*): Don't change tm_file.
6078         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6079         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6080         shared library stub for target OS version.
6081         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6082         (SHLIB_LINK): Don't make SHLIB_SOLINK.
6083         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6084         (libgcc_s.%.dylib): New.
6085         (LIBGCC): Define.
6086         (install-darwin-libgcc-stubs): New.
6087         (INSTALL_LIBGCC): New append.
6088         * config/i386/darwin-libgcc.10.4.ver: New.
6089         * config/i386/darwin-libgcc.10.5.ver: New.
6090         * config/i386/t-darwin: New.
6091         * config/rs6000/darwin-libgcc.10.4.ver: New.
6092         * config/rs6000/darwin-libgcc.10.5.ver: New.
6093         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6094         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6095
6096 2005-09-28  Paul Brook  <paul@codesourcery.com>
6097
6098         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6099         denormals.
6100
6101 2005-09-28  Richard Guenther  <rguenther@suse.de>
6102
6103         PR tree-optimization/23853
6104         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6105         host_integerp to verify misalignment value.
6106
6107 2005-09-28  Richard Henderson  <rth@redhat.com>
6108
6109         * builtins.c (get_builtin_sync_mode): New.
6110         (expand_builtin_sync_operation): Pass in mode argument.
6111         (expand_builtin_compare_and_swap): Likewise.
6112         (expand_builtin_lock_test_and_set): Likewise.
6113         (expand_builtin_lock_release): Likewise.
6114         (expand_builtin): Update to match.
6115
6116 2005-09-28  Nick Clifton  <nickc@redhat.com>
6117
6118         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6119         formatting.  Add check to PLUS case to ensure that the offset is
6120         within an acceptable range.
6121
6122         * config/v850/v850.md (casesi): Disable the generation of the
6123         switch pattern as it is not being handled properly at the moment.
6124
6125         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6126         for when the high words are identical.
6127
6128 2005-09-27  Richard Henderson  <rth@redhat.com>
6129
6130         * pretty-print.c (pp_base_format): Fix typo for %>.
6131
6132 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
6133             Devang Patel  <dpatel@apple.com>
6134
6135         PR tree-optimization/23625
6136         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6137         LABEL_EXPR, assertion check.
6138
6139 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
6140
6141         * optabs.c (no_conflict_move_test): Check if a result of a
6142         to-be-moved insn would be clobbered by an originally
6143         preceding insn.
6144
6145 2005-09-27  Jeff Law  <law@redhat.com>
6146
6147         * passes.c (init_optimization_passes): Replace copy propagation
6148         passes immediately after DOM with phi-only copy propagation
6149         pases.  Add phi-only copy propagation pass after first DOM pass.
6150         * tree-pass.h (pass_phi_only_copy_prop): Declare.
6151         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6152         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6153         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
6154         to init_copy_prop.  Callers updated.
6155         (do_phi_only_copy_prop): New function.
6156         (pass_phi_only_copy_prop): New pass descriptor.
6157
6158 2005-09-27  Nick Clifton  <nickc@redhat.com>
6159
6160         * libgcc2.c (__popcount_tab): Remove redundant prototype.
6161
6162 2005-09-26  Jason Merrill  <jason@redhat.com>
6163
6164         PR c++/13764
6165         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6166
6167         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6168
6169 2005-09-26  James E Wilson  <wilson@specifix.com>
6170
6171         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6172         copyright.  Add gcc copyright plus libgcc exception.
6173         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
6174         copyright.
6175         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6176
6177 2005-09-26  Jeff Law  <law@redhat.com>
6178
6179         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6180         about when to iterate.
6181
6182 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
6183
6184         PR target/23847
6185         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6186         for __complex__ double in -mcpu=G5 mode.
6187
6188 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
6189
6190         PR tree-optimization/23942
6191         * Makefile.in (SCEV_H): Depends on PARAMS_H.
6192         * tree-scalar-evolution.c: Include params.h.
6193         (t_bool): New enum.
6194         (follow_ssa_edge, follow_ssa_edge_in_rhs,
6195         follow_ssa_edge_in_condition_phi_branch,
6196         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6197         Change return type to t_bool.  Use a parameter to limit the size of
6198         trees that are walked before stopping
6199         (analyze_evolution_in_loop): Initialize the limit to 0.
6200         (follow_ssa_edge): Give up by returning t_dont_know if the limit
6201         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6202
6203 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6204
6205         PR middle-end/23831
6206         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6207         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6208
6209 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
6210
6211         * combine.c (make_extraction): Check for valid use of subreg.
6212
6213 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6214
6215         PR target/24055
6216         * config/i386/i386.md ("*fistdi2_1"): New pattern.
6217         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6218         ("fist<mode>2_with_temp"): Use only register operands.
6219
6220 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
6221
6222         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6223         CALL_INSN_FUNCTION_USAGE.
6224
6225 2005-09-26  Richard Guenther  <rguenther@suse.de>
6226
6227         PR middle-end/15855
6228         * gcse.c: Include hashtab.h, define ldst entry hashtable.
6229         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6230         (ldst_entry): Use the hashtable instead of list-walking.
6231         (find_rtx_in_ldst): Likewise.
6232         (free_ldst_entry): Free the hashtable.
6233         (compute_ld_motion_mems): Create the hashtable.
6234         (trim_ld_motion_mems): Remove entry from hashtable if
6235         removing it from list.
6236         (compute_store_table): Likewise^2.
6237         (store_motion): Free hashtable in case we did not see
6238         any stores.
6239
6240 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
6241
6242         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6243         and arg1 if we are passing them to fold_build2.
6244
6245 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
6246
6247         PR 23828
6248         * config/i386/i386.c (ix86_function_regparm): Fix the test for
6249         a nested function.
6250
6251 2005-09-25  Richard Henderson  <rth@redhat.com>
6252
6253         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6254         SYMBOL_REF_TLS_MODEL to be correct.
6255
6256 2005-09-24  Richard Henderson  <rth@redhat.com>
6257
6258         * ipa-type-escape.c (discover_unique_type): Remove dead code at
6259         end of function.  Reindent.
6260
6261 2005-09-24  Ian Lance Taylor  <ian@airs.com>
6262
6263         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6264         NEGATE_EXPR/BIT_NOT_EXPR case.
6265
6266 2005-09-24  Richard Henderson  <rth@redhat.com>
6267
6268         * c-common.c (handle_mode_attribute): When not modifying in place,
6269         create subtypes for enumerations.
6270         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6271         * gimplify.c (create_tmp_from_val): Likewise.
6272
6273 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
6274
6275         * config/i386/i386.md (*tls_global_dynamic_64,
6276         *tls_local_dynamic_base_64): Add missing mode to call.
6277         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6278
6279 2005-09-24  Jan Hubicka  <jh@suse.cz>
6280
6281         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6282         (cgraph_clone_node): Likewise.
6283         * cgraph.h (cgraph_clone_edge): Update prototype.
6284         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6285         duplicated prototypes; add updating argument.
6286         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6287         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6288         updating profile.
6289         (cgraph_mark_inline_edge): Likewise.
6290         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6291         (cgraph_flatten_node): Likewise.
6292         (cgraph_decide_recursive_inlining): Likewise.
6293         (cgraph_decide_inlining_of_small_function): Likewise.
6294         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6295
6296 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6297             Pete Steinmetz <steinmtz@us.ibm.com>
6298
6299         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6300         (rldic.): Set type to "compare".
6301         (rldicr.): Same.
6302         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
6303         mfjmpr for MFCTR/MFLR.
6304         (movdf_hardfloat64): Same.
6305         (movdf_softfloat64): Same.  Correct order of store and move types.
6306         (movti_string): Set type to store_ux/load_ux.
6307         (load_multiple): Set type to load_ux.
6308         (store_multiple): Set type to store_ux.
6309         (movmemsi): Set type to store_ux.
6310         (output_cbranch direct_return): Set type to jmpreg.
6311         (stmw): Set type to store_ux.
6312         (lmw): Set type to load_ux.
6313         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6314         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6315         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6316         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6317         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6318         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6319         (rios1-fpstore): Increase latency to 3.
6320         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6321         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6322
6323 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6324             Andrew Pinski  <pinskia@physics.uc.edu>
6325
6326         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6327         operand2 constraint to "b".
6328         (sync_<fetchop_name>di_internal): Same.
6329         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6330         to "b".
6331         (sync_old_<fetchop_name>di_internal): Same.
6332         (sync_new_<fetchop_name>si_internal): Same.
6333         (sync_new_<fetchop_name>di_internal): Same.
6334
6335 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6336
6337         PR middle-end/23991
6338         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6339         case, define as macros.
6340
6341         PR rtl-optimization/23837
6342         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
6343         clobber / clobber match between dest and p->first.
6344
6345         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6346         (no_conflict_move_test): Update comments.
6347
6348 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6349
6350         * doc/install.texi: Update URL for Jacks.
6351         * doc/sourcebuild.texi: Likewise.
6352
6353 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
6354
6355         PR target/24007
6356         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6357         registers when choosing register preferences.
6358         (movdf_hardfloat64): Same.
6359
6360 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6361
6362         * expmed.c (expand_shift): Don't use the target of the rotate as
6363         target for the first expanded shift insn.
6364         * testsuite/gcc.dg/20050922-1.c: Testcase added.
6365
6366 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6367
6368         PR tree-optimization/22438
6369         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6370         preserved iv rhs rewriting specially.
6371
6372 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6373
6374         * tree-data-ref.c (analyze_array_indexes): Only estimate when
6375         estimate_only  is true.
6376         * tree-flow.h (ref_contains_indirect_ref): New prototype.
6377         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6378         tree-ssa-structalias.c
6379         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6380         ref_contains_indirect_ref.
6381         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6382
6383 2005-09-21  DJ Delorie  <dj@redhat.com>
6384
6385         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6386         MASK_PTR_A0D0.
6387         (mn10300_return_in_memory): Support variable size types also.
6388         (mn10300_pass_by_reference): Likewise.
6389         (mn10300_function_value): New.
6390         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6391         (FUNCTION_OUTGOING_VALUE): Likewise.
6392         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6393         * doc/invoke.texi: Document it.
6394
6395 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6396
6397         PR target/22585
6398         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6399         force integer op1 into register for XFmode compares.
6400
6401 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6402
6403         PR middle-end/23971
6404         * expmed.c (alg_code): Add alg_impossible.
6405         (alg_hash_entry): Add cost.
6406         (synth_mult): Record alg_impossible in the hash table if
6407         multiplication by a given integer is impossble within the
6408         limit.  Speed up using alg_impossible.
6409
6410 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6411
6412         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6413         argument.  Allow and set any offset if needs_anyoffset is passed
6414         in.
6415         (get_constraint_for): Add argument here too.
6416         Pass it down.
6417         (do_structure_copy): Pass NULL to get_constraint_for.
6418         (handle_ptr_arith): Ditto.
6419         (find_func_aliases): Ditto.
6420
6421 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6422
6423         PR rtl-optimization/23898
6424         * output.h (get_attr_min_length): Declare.
6425         * final.c (get_attr_length_1): New function, broken out of:
6426         (get_attr_length).
6427         (get_attr_min_length): New function.
6428         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6429         (duplicate_computed_gotos): Likewise.
6430         * genattr.c (insn_min_length): Generate declaration.
6431         * genattrtab.c (min_fn, min_attr_value): New functions.
6432         (make_length_attrs): Generate insn_min_length.
6433
6434 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6435
6436         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6437
6438 2005-09-20  Richard Henderson  <rth@redhat.com>
6439
6440         PR tree-optimization/24059
6441         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6442         EXPAND_STACK_PARM.
6443
6444 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6445
6446         * c.opt (fextended-identifiers): New.
6447         * c-opts.c (c_common_handle_option): Handle
6448         -fextended-identifiers.
6449         * doc/cpp.texi: Update documentation of extended identifiers.
6450         * doc/cppopts.texi (-fextended-identifiers): Document.
6451
6452 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6453
6454         PR tree-optimization/23929
6455         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6456         if expr is NULL.
6457
6458         PR tree-optimization/23818
6459         * tree-stdarg.c (execute_optimize_stdarg): Call
6460         calculate_dominance_info.
6461
6462 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6463
6464         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6465         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6466         (compute_overlap_steps_for_affine_1_2): Use
6467         get_number_of_iters_for_loop.
6468         (analyze_subscript_affine_affine): Check whether difference is
6469         zero first.
6470         Use get_number_of_iters_for_loop.
6471         Check whether overlap occurs outside of bounds.
6472         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6473
6474 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6475
6476         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6477         base register if possible.
6478
6479 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6480
6481         PR tree-optimization/18463
6482         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6483         converting it directly is not possible.
6484         (chrec_convert_aggressive): New function.
6485         * tree-chrec.h (chrec_convert_aggressive): Declare.
6486         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6487         Fold chrec conversions aggressively if asked to.
6488         (instantiate_parameters): Modified because of changes in
6489         instantiate_parameters_1.
6490
6491 2005-09-19  Richard Henderson  <rth@redhat.com>
6492
6493         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6494         (reduc_splus_v2df): New.
6495
6496 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6497
6498         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6499         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6500
6501 2005-09-19  Richard Henderson  <rth@redhat.com>
6502
6503         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6504         vcondu<SSEMODE12>.
6505
6506 2005-09-19  Richard Henderson  <rth@redhat.com>
6507
6508         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6509         (ia64_expand_dot_prod_v8qi): New.
6510         * config/ia64/ia64-protos.h: Update.
6511         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6512         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6513         sdot_prodv8qi, sdot_prodv4hi): New.
6514         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6515
6516 2005-09-19  Richard Henderson  <rth@redhat.com>
6517
6518         PR 23941
6519         * real.c (exact_real_truncate): Return false if the format cannot
6520         represent the number as a normal.
6521
6522         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6523         for a memory source.
6524
6525 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6526
6527         * tree-ssa-operands.c (swap_tree_operands): Export.
6528         * tree.h (swap_tree_operands): Declare.
6529         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6530         Call swap_tree_operands.
6531
6532 2005-09-19  Richard Henderson  <rth@redhat.com>
6533
6534         * tree-flow.h (merge_alias_info): Declare.
6535         * tree-ssa-copy.c (merge_alias_info): Export.
6536         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6537         (vect_create_data_ref_ptr): Use create_iv directly.
6538         (vectorizable_load): Use correct types for integer constants.
6539         (vect_generate_tmps_on_preheader): Likewise.
6540         (vect_gen_niters_for_prolog_loop): Likewise.
6541
6542 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6543
6544         PR rtl-optimization/23943
6545         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6546
6547 2005-09-18  Jan Hubicka  <jh@suse.cz>
6548
6549         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6550
6551 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6552
6553         * varasm.c (output_constant): Do not abort on conversions to union
6554         types between different sizes.
6555
6556 2005-09-18  Richard Guenther  <rguenther@suse.de>
6557
6558         PR middle-end/23944
6559         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6560         fallback.
6561
6562 2005-09-18  Paul Brook  <paul@codesourcery.com>
6563
6564         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6565
6566 2005-09-17  Richard Henderson  <rth@redhat.com>
6567
6568         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6569         * tree-ssa-loop.c (pass_vect_dce): Remove.
6570         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6571         of pass_vectorize.
6572
6573 2005-09-17  Richard Henderson  <rth@redhat.com>
6574
6575         * tree-pass.h (pass_vect_dce): Declare.
6576         * passes.c (init_optimization_passes): Add it.
6577         * tree-flow.h (tree_ssa_dce): Declare.
6578         * tree-ssa-dce.c (tree_ssa_dce): Export.
6579         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6580         (gate_tree_vectorize): ... here.
6581         (pass_vect_dce): New.
6582
6583 2005-09-17  Jan Hubicka  <jh@suse.cz>
6584
6585         * except.c (struct eh_status): Turn region_array into vec.
6586         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6587         convert_from_eh_region_ranges, find_exception_handler_labels,
6588         current_function_has_exception_handlers, assign_filter_values,
6589         build_post_landing_pads, dw2_build_landing_pads,
6590         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6591         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6592         foreach_reachable_handler, can_throw_internal_1,
6593         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6594         region_array.
6595         (duplicate_eh_region_1): Update region_array.
6596         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6597
6598 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6599
6600         PR middle-end/22067
6601         * expmed.c (expand_mult): Substitute simple register for op0 when
6602         computing max_cost.
6603
6604 2005-09-17  Richard Henderson  <rth@redhat.com>
6605
6606         * expr.c (emit_move_via_integer): Add force argument, pass it on
6607         to emit_move_change_mode.  Update callers.
6608         (emit_move_complex): Pass true to new force argument.
6609         * function.c (expand_function_end): Move expand_eh_return call
6610         earlier.  Merge sub-word complex values into a pseudo before
6611         copying to the return hard register.
6612
6613 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6614
6615         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6616         between different sizes.
6617
6618 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6619
6620         PR 23903
6621
6622         * passes.c (init_optimization_passes): Register dump files for
6623         IPA passes first.
6624
6625 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6626
6627         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6628         * config/s390/s390.c (s390_overlap_p): New function.
6629         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6630         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6631         condition.
6632
6633 2005-09-16  Richard Guenther  <rguenther@suse.de>
6634
6635         * ipa-pure-const.c (static_execute): Free auxiliar information.
6636         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6637         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6638
6639 2005-09-15  DJ Delorie  <dj@redhat.com>
6640
6641         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6642
6643 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6644
6645         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6646         to order operands.
6647         (swap_commutative_operands_with_target): New.
6648
6649 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6650
6651         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6652         parameter.
6653         Update callers.
6654         (estimate_iters_using_array): New function.
6655         * tree-data-ref.h (estimate_iters_using_array): Prototype
6656         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6657         Use estimate_iters_using_array instead of analyze_array.
6658
6659 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6660
6661         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6662         as addressable.
6663
6664 2005-09-15  Michael Matz  <matz@suse.de>
6665
6666         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6667
6668 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6669
6670         PR tree-optimization/23835
6671         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6672         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6673
6674 2005-09-14  Richard Henderson  <rth@redhat.com>
6675
6676         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6677         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6678
6679 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6680
6681         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6682         in the ARRAY_TYPE case.
6683
6684 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6685
6686         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6687
6688 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6689
6690         PR middle-end/22480
6691         * tree-vect-transform.c (vectorizable_operation): Return false for
6692         scalar shift operations and for vector shift operations with
6693         non-invariant shift arguments.  Use scalar tree operand op1 as
6694         a shift operand when vector shift insn pattern uses scalar shift
6695         operand.
6696         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6697
6698 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6699
6700         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6701         value if it has side-effects.
6702
6703 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6704
6705         PR target/22068
6706         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6707
6708 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6709
6710         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6711         passed as NAME as if it were label at start of function code.
6712
6713 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6714
6715         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6716         the constraints.
6717
6718 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6719
6720         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6721         as early clobber.  Rewrite so the PIC register is not implicitly used.
6722
6723 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6724
6725         * tree.c (annotate_with_file_line): Compare line numbers before
6726         file names.
6727
6728 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6729
6730         PR target/23816
6731         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6732         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6733
6734 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6735
6736         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6737         than a HOST_WIDEST_INT to gen_doloop_begin.
6738
6739 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6740
6741         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6742
6743 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6744
6745         PR tree-optimize/23817
6746         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6747
6748 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6749
6750         PR target/23774
6751         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6752         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6753         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6754         (restore_stack_nonlocal): Likewise.
6755         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6756
6757 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6758
6759         PR g++/7874
6760         * c.opt (ffriend-injection): New C++ option.
6761         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6762         (C++ Dialect Options): Document -ffriend-injection.
6763
6764 2005-09-12  Josh Conner  <jconner@apple.com>
6765
6766         PR middle-end/23237
6767         * ipa-reference.c (static_execute): Don't mark variables in
6768         named sections TREE_READONLY.
6769
6770 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6771
6772         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6773         stack_tie.
6774
6775 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6776
6777         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6778         V_MUST_DEF instead of just the first_use_p.
6779         Don't mark the virtual variables for renaming on the statement which
6780         is being removed.
6781         (pass_dse): Remove TODO_update_ssa.
6782
6783 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6784
6785         PR middle-end/23290
6786         * stor-layout.c (compute_record_mode): For records with a single
6787         field, actually check the field's mode size against the type size.
6788
6789         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6790         registers for TARGET_SHMEDIA.
6791         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6792         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6793         of GENERAL_REGS and FP_REGS.
6794
6795 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6796
6797         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6798
6799 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6800
6801         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6802         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6803         are omitted.  Exclude stack_tie insn too.
6804
6805 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6806
6807         PR rtl-optimization/23098
6808         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6809         0.0f is easy.
6810         * config/rs6000/rs6000.md (movdf splitter): Use
6811         const_double_operand predicate for TARGET_POWERPC64.
6812         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6813         SYMBOL_REF method to ABI_V4.
6814
6815         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6816         replace_equiv_address.
6817         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6818         rs6000_sr_alias_set and MEM_NOTRAP.
6819         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6820
6821 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6822
6823         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6824         handle CALL_EXPR again.
6825
6826 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6827
6828         * arm/predicates.md (alignable_memory_operand): Delete.
6829
6830 2005-09-10  Richard Henderson  <rth@redhat.com>
6831
6832         PR debug/23806
6833         * dbxout.c (dbxout_expand_expr): New.
6834         (dbxout_symbol): Use it.
6835
6836 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6837
6838         * arm.c (arm_gen_rotated_half_load): Delete.
6839         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6840         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6841         (thumb_set_return_address): Likewise.
6842         (thumb_load_double_from_address): Use adjust_address.
6843         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6844         (extendhsisi2_mem, movhi_bytes): Use change_address.
6845         (movhi): Use widen_memory_access.
6846         (reload_out_df): Use replace_equiv_address.
6847         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6848
6849 2005-09-09  Richard Henderson  <rth@redhat.com>
6850
6851         PR debug/20998
6852         * dbxout.c: Include expr.h.
6853         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6854         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6855         * Makefile.in (dbxout.o): Add EXPR_H.
6856
6857 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6858
6859         PR tree-optimization/23509
6860         * tree-cfg.c (replace_uses_by): Use replace_exp.
6861         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6862         pointers have name_mem_tag or type_mem_tag set.
6863
6864 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6865
6866         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6867         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6868         of wrongly accessing operands.
6869
6870 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6871
6872         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6873         * tree-chrec.c: Include tree-scalar-evolution.h.
6874         (chrec_convert): Instantiate the base and step before calling
6875         scev_probably_wraps_p that would fail on parametric evolutions.
6876         Collect all the fails into a single section failed_to_convert,
6877         print a diagnostic, and return chrec_dont_know instead of calling
6878         fold_convert.
6879         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6880         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6881         phi nodes.
6882         (scev_const_prop): Don't replace the definition of a loop closed ssa
6883         phi node by itself, or by another loop closed ssa phi node.
6884         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6885         that base and step are defined.
6886
6887 2005-09-09  Richard Guenther  <rguenther@suse.de>
6888
6889         PR c++/23624
6890         * fold-const.c (fold_ternary): Check truth_value_p before
6891         calling invert_truthvalue.
6892
6893 2005-09-09  Nick Clifton  <nickc@redhat.com>
6894
6895         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6896         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6897         dimension of these arrays.
6898         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6899         these arrays.
6900         * longlong.h: Only provide a prototype for the __clz_tab[] array
6901         if this header has not been included from libgcc2.h.
6902         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6903         defining own types.
6904         Provide prototypes for exported functions.
6905         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6906         libgcc2.c.
6907
6908 2005-09-08  Josh Conner  <jconner@apple.com>
6909
6910         PR c++/21135
6911         PR c++/23180
6912         * expr.c (expand_expr_addr_expr_1): Don't invoke
6913         expand_simple_binop for EXPAND_INITIALIZER.
6914
6915 2005-09-08  Richard Henderson  <rth@redhat.com>
6916
6917         PR debug/23190
6918         * toplev.c (wrapup_global_declaration_1): Split out ...
6919         (wrapup_global_declaration_2): ... from ...
6920         (wrapup_global_declarations): ... here.  Return bool.
6921         (check_global_declaration_1): Split out ...
6922         (check_global_declarations): from here.
6923         (emit_debug_global_declarations): New.
6924         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6925         check_global_declaration_1, emit_debug_global_declarations): Declare.
6926         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6927         of decls.  Call wrapup_global_declaration_1,
6928         wrapup_global_declaration_2, check_global_declaration_1 directly.
6929         (c_write_global_declarations_2): New.
6930         (ext_block): New.
6931         (c_write_global_declarations): Call c_write_global_declarations_2.
6932         * langhooks.c (write_global_declarations): Call
6933         emit_debug_global_declarations.
6934
6935         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6936         remove decls that have DECL_RTL_SET_P.
6937         * passes.c (rest_of_decl_compilation): Invoke
6938         cgraph_varpool_finalize_decl for all but functions.
6939
6940 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6941
6942         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6943         the result of a conversion if the new min and max cannot be compared.
6944
6945 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6946
6947         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6948         (override_options): Setting s390_sr_alias_set removed.
6949         (save_fpr, save_gprs): Set alias set to vararg or frame.
6950         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6951         s390_sr_alias_set with get_frame_alias_set ().
6952         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6953         get_varargs_alias_set ().
6954
6955 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6956
6957         PR objc/20574
6958         PR objc/19324
6959         * c-parser.c (c_parser_objc_method_definition): If the next
6960         token is not "{", error out and don't start the function.
6961
6962 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6963
6964         * tree-vrp.c (extract_range_from_expr): Move the check for non
6965         nullness after the check for gimple invariant.
6966
6967 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6968
6969         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6970
6971 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6972
6973         PR target/23747
6974         * config/m32r.md (movmemsi_internal): Canonicalize order of
6975         operands in PLUS component of template.
6976
6977 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6978
6979         * reload1.c (fixup_eh_region_note): Remove assertion.
6980         (fixup_abnormal_edges): Reverted removal of call to
6981         find_many_sub_basic_blocks made on 2005-08-31.
6982
6983 2005-09-07  Richard Henderson  <rth@redhat.com>
6984
6985         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6986         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6987         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6988         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6989         rearrange for better packing.
6990         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6991         (lookup_cfa_1): Remove inline marker.
6992         (cfa_equal_p): Split out of ...
6993         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6994         (build_cfa_loc): Handle !cfa->indirect.
6995         (frame_pointer_cfa_offset): New.
6996         (dbx_reg_number): Assert register elimination performed; do
6997         leaf register remapping.
6998         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6999         (eliminate_reg_to_offset): New.
7000         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
7001         for verifiably local stack frame addresses; re-base to CFA.
7002         (mem_loc_descriptor): Remove can_use_fbreg argument.
7003         (concat_loc_descriptor, loc_descriptor): Likewise.
7004         (containing_function_has_frame_base): Remove.
7005         (rtl_for_decl_location): Don't do register elimination or
7006         leaf register remapping here.
7007         (secname_for_decl): Split out from ..
7008         (add_location_or_const_value_attribute): ... here.
7009         (convert_cfa_to_loc_list): New.
7010         (compute_frame_pointer_to_cfa_displacement): New.
7011         (gen_subprogram_die): Use them.
7012         * tree.h (frame_base_decl): Remove.
7013         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7014         (prologue_stack_adjust): Remove.
7015         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7016         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7017         (set_frame_base_location): Remove.
7018         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7019         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7020         (vt_add_function_parameters): Don't eliminate_regs.
7021         (vt_initialize): Don't create frame_base_decl.
7022
7023 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7024
7025         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7026         version of GNU binutils for 4.x and later.
7027
7028 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
7029
7030         * ggc-page.c (ggc_push_context): Remove.
7031         (ggc_pop_context): Likewise.
7032         * ggc.h (ggc_push_context): Remove.
7033         (ggc_pop_context): Likewise.
7034
7035 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7036
7037         PR target/8973
7038         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7039         returning from an interrupt handler.
7040
7041 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7042
7043         PR target/8972
7044         * config/arc/arc.c (output_shift): Add check for loop count when
7045         optimizing.
7046
7047 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7048
7049         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7050         form manually.
7051         (abs_replacement): Likewise.
7052         (pass_phiopt): Remove TODO_update_ssa.
7053
7054 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7055
7056         PR c/23075
7057         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7058         if "return with no value, in function returning non-void" warning
7059         has been issued.
7060         * tree-cfg.c (execute_warn_function_return): Don't look at
7061         RETURN_EXPRs with TREE_NO_WARNING set.
7062
7063         PR target/22362
7064         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7065         for internal functions doesn't use registers used by global registers
7066         variables.  Use fewer register parameters if there are global register
7067         variables.
7068
7069 2005-09-06  Olivier Hainque  <hainque@adacore.com>
7070             Eric Botcazou  <ebotcazou@adacore.com>
7071
7072         PR middle-end/14997
7073         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7074         when we would be extracting outside its bit span (bitpos+bitsize
7075         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7076         Ada unchecked conversions.
7077
7078 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7079
7080         * tree-ssa-pre.c (try_look_through_load): New function.
7081         (compute_avail): Use it to try to look through loads for some
7082         more useful expressions.
7083
7084 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7085
7086         * simplify-rtx.c (simplify_binary_operation_1): Correct the
7087         condition for detecting cases like (a&a) and (a^a).
7088
7089 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
7090
7091         * common.opt: Add option ftree-vect-loop-version.
7092         * params.def: Add --param vect-max-version-checks.
7093         * doc/invoke.texi: Document ftree-vect-loop-version and
7094         --param vect-max-version-checks.
7095         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7096         may_misalign_stmts and defines for accessors.
7097         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7098         LOOP_VINFO_MAY_MISALIGN_STMTS.
7099         (destroy_loop_vec_info): VEC_free for
7100         LOOP_VINFO_MAY_MISALIGN_STMTS.
7101         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7102         Update documentation.
7103         (vect_update_misalignment_for_peel): New.
7104         (vect_enhance_data_refs_alignment): Update to choose loop
7105         peeling or loop versioning if appropriate for the (potentially)
7106         unaligned data references in the loop.
7107         (vect_analyze_data_refs_alignment): Remove call to
7108         vect_enhance_data_refs_alignment so the checks can be done
7109         earlier.
7110         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7111         and move up call to vect_analyze_data_refs_alignment.
7112         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7113         (vect_transform_loop): Add call to loop_version.
7114
7115 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7116
7117         PR rtl-optimization/23098
7118         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7119         * simplify-rtx.c (constant_pool_reference_p): New function.
7120         * rtl.h (constant_pool_reference_p): New prototype.
7121         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7122         constant_pool_reference_p in condition and
7123         avoid_constant_pool_reference in preparation statements.
7124
7125 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7126
7127         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7128         STRICT_LOW_PART SETs.
7129
7130 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
7131
7132         PR middle-end/21460
7133         * except.c (sjlj_emit_function_enter): Find the function begin
7134         note even when it's not in first basic block.
7135
7136 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
7137
7138         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
7139         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7140         * aclocal.m4: Regenerate.
7141
7142 2005-09-05  DJ Delorie  <dj@redhat.com>
7143
7144         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7145         of macro.
7146
7147 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
7148
7149         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7150         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7151         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7152         Follow spelling conventions.
7153         * doc/invoke.texi: Follow spelling conventions.
7154
7155 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7156
7157         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7158         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7159         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7160
7161 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7162
7163         PR target/23683
7164         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7165         (output_stack_adjust): Use gen_tmp_stack_mem.
7166         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7167         (sh_set_return_address, sh_allocate_initial_value): Likewise.
7168         (sh_get_pr_initial_val): Likewise.
7169         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7170         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
7171         * sh.md (divsi_inv_m0): Use gen_const_mem.
7172         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7173         (movdf_i4+1): Use gen_tmp_stack_mem.
7174         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7175         (fpu_switch+2): Likewise.
7176         (movv4sf_i, movv16sf_i): Use adjust_address.
7177         (symGOT_load): Set MEM_NOTRAP_P bit.
7178
7179 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7180
7181         PR target/23721
7182         * pa.c (emit_move_sequence): Fix typo in last change.
7183
7184 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
7185
7186         PR rtl-optimization/23454
7187         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7188         is true.
7189
7190 2005-09-03  Richard Henderson  <rth@redhat.com>
7191             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7192
7193         PR middle-end/23671
7194         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7195         gen_rtx_MEM.
7196
7197 2005-09-02  Nicolas Pitre <nico@cam.org>
7198
7199         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7200         to bit_count to 32 bits.
7201
7202 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
7203
7204         PR c++/23167
7205         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7206         generating synthetic loads from volatile lvalues.
7207
7208 005-09-02  Nick Clifton  <nickc@redhat.com>
7209
7210         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7211         __ctzhi2, __clzhi2): New functions.
7212
7213 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
7214
7215         PR middle-end/23547
7216         * tree-nested.c (struct var_map_elt): Mark with GTY.
7217         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
7218         var_map_elt.
7219         (lookup_field_for_decl): Allocate new element in GC memory.
7220         (lookup_tramp_for_decl): Likewise.
7221         (convert_nl_goto_reference): Likewise
7222         (create_nesting_tree): Allocate info in GC memory. Likewise for
7223         info->var_map.
7224         (free_nesting_tree): Free with ggc_free instead of free.
7225         (root): New static variable.
7226         (lower_nested_functions): Remove root as local variable.  And zero out
7227         root at the end of the function.
7228
7229 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
7230
7231         PR rtl-optimization/20365
7232         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7233         to short.  New member ix.
7234         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7235         (simplify_plus_minus): Initialize ix members before calling qsort.
7236
7237 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
7238
7239         PR tree-optimization/23626
7240         * tree-cfg.c (replace_uses_by): Clean up eh info.
7241
7242 2005-09-01  DJ Delorie  <dj@redhat.com>
7243
7244         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7245         fprintf.
7246
7247 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
7248
7249         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7250         (rs6000_split_multireg_move): Use replace_equiv_address instead of
7251         gen_rtx_MEM.
7252
7253 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
7254
7255         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
7256         do not issue warning for a variable definition following
7257         a declaration.
7258
7259 2005-09-01  Richard Henderson  <rth@redhat.com>
7260
7261         PR 23668
7262         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7263         conversion to CONST_VECTOR.
7264
7265 2005-09-01  Richard Henderson  <rth@redhat.com>
7266
7267         PR 23676
7268         * reload1.c (reload_as_needed): Check !CALL_P before calling
7269         fixup_eh_region_note.
7270         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7271
7272 2005-09-01  DJ Delorie  <dj@redhat.com>
7273
7274         * varasm.c (output_constant): Let the target resolve
7275         conversions of addresses to non-default pointer sizes.
7276
7277 2005-09-01  Nicolas Pitre <nico@cam.org>
7278
7279         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7280         to alow matching ARM pre-indexed addressing mode.
7281         (arm_override_options): Remove now irrelevant comment.
7282
7283 2005-09-01  Phil Edwards  <phil@codesourcery.com>
7284
7285         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
7286         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
7287         * config/i386/vxworks.h:  Likewise.
7288         * config/i386/t-vxworksae:  New file, for VxWorks AE.
7289         * config/i386/vxworksae.h:  Likewise.
7290
7291 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
7292
7293         PR tree-optimization/23410
7294         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7295         sequence is not wrapping during the first step.
7296
7297 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7298
7299         PR debug/7241
7300         * dwarf2out.c (base_type_die): Compare char_type_node with
7301         TYPE_MAIN_VARIANT (type), not type.
7302
7303 2005-09-01  Richard Guenther  <rguenther@suse.de>
7304
7305         PR tree-optimization/15366
7306         * common.opt: Add -finline-functions-called-once.
7307         Put -fearly-inlining in alphabetically ordered place.
7308         * doc/invoke.texi: Document new option.
7309         * ipa-inline.c (cgraph_decide_inlining): Honour
7310         flag_inline_functions_called_once.
7311
7312 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7313
7314         PR rtl-optimization/23478
7315         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7316         (alloc_qty): Initialize it.
7317         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7318         (combine_regs): Combine also n_throwing_calls_crossed fields.
7319         (find_free_reg): Don't attempt to caller-save pseudos crossing
7320         calls that might throw.
7321         * global.c (struct allocno): Add throwing_calls_crossed field.
7322         (global_alloc): Revert 2005-08-22 change.  Initialize
7323         throwing_calls_crossed.
7324         (find_reg): Don't attempt to caller-save pseudos crossing calls that
7325         might throw.
7326
7327 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
7328
7329         PR target/23649
7330         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7331         (mask64_operand): Reinstate code prior to 2005-06-11 change.
7332         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7333         (and64_2_operand): Tweak to use predicate.
7334         (and_operand): Adjust for mask_operand changes.
7335         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7336         (print_operand): Likewise.
7337         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7338         (mask64_1or2_operand): Delete.
7339         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7340         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7341         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7342         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7343         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7344         (rotldi3_internal4): Likewise.
7345         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7346         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7347         (ashldi3_internal7): Likewise.
7348         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7349         (ashldi3_internal, ashldi3_internal9 split): Likewise.
7350         (anddi3 split): Don't match mask64_operand.
7351         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7352         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7353         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7354         't' splitter predicate.
7355         (movdi_internal64 + 2): Revert 2005-06-11 change.
7356
7357 2005-08-31  DJ Delorie  <dj@redhat.com>
7358
7359         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7360         (m32c_asm_integer): Add support for 32 bit pointers.
7361
7362 2005-08-31  Richard Henderson  <rth@redhat.com>
7363
7364         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7365         component-like references for setting MEM_NOTRAP_P.
7366
7367         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7368         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7369
7370 2005-08-31  Richard Henderson  <rth@redhat.com>
7371
7372         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7373         into a pseudo before applying gen_lowpart.
7374
7375 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
7376
7377         * doc/install.texi (Specific): Update cctools version required
7378         for full functionality.
7379         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7380         linkers as -macosx_version_min.
7381
7382 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7383
7384         PR target/21255
7385         * sh.c (print_operand, %R and %S): Add handling of floating point
7386         registers, memory, constants and invalid operands.
7387
7388 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7389
7390         * ipa-pure-const.c: Change dump name.
7391
7392 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7393
7394         PR target/23570
7395         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7396         to "reg_or_0_operand".
7397         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7398
7399 2005-08-31  Dale Johannesen  <dalej@apple.com>
7400
7401         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7402         loops that count down.
7403
7404 2005-08-31  Richard Henderson  <rth@redhat.com>
7405
7406         PR rtl-opt/23601
7407         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7408         (fixup_eh_region_note): New.
7409         (reload_as_needed): Call it.
7410         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7411         don't call find_many_sub_basic_blocks; call verify_flow_info.
7412         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7413         (keep_stack_depressed): Likewise.
7414         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7415
7416 2005-08-31  Richard Henderson  <rth@redhat.com>
7417
7418         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7419         fp return matching.
7420
7421 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7422
7423         * expr.c (expand_expr_real_1): Compare size of address
7424         mode to target's address mode size in deciding expansion of
7425         the constant address.
7426
7427 2005-08-31  Richard Guenther  <rguenther@suse.de>
7428
7429         PR middle-end/23477
7430         * expr.c (all_zeros_p): New function.
7431         (expand_expr_real_1): Handle the case of an all-zero
7432         non-addressable constructor separately.
7433
7434 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7435
7436         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7437         arguments, adjust all callers.
7438         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7439
7440 2005-08-30  Richard Henderson  <rth@redhat.com>
7441
7442         PR target/23630
7443         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7444         whenever the mode sizes match.
7445
7446 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7447
7448         * calls.c (load_register_parameters): Fix comment typo.
7449         * expr.c (emit_push_insn): Comment formatting.
7450
7451 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7452
7453         * config/i386/x-cygwin (host-cygwin): Change dependency from
7454         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7455
7456 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7457
7458         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7459         parts of 'vals'.
7460
7461 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7462
7463         PR middle-end/23408
7464         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7465         call to ggc_collect.
7466
7467 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7468
7469         PR bootstrap/21268
7470         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7471         beginning.  Remove $(INCLUDES) from all the rules, if following
7472         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7473
7474 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7475
7476         PR middle-end/23484
7477         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7478         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7479         not constant, but maxlen is, don't set len to maxlen, rather
7480         set maxlen to len if len is a constant.
7481
7482 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7483
7484         PR tree-optimization/23475
7485         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7486         and counts.
7487
7488 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7489
7490         Fix PR middle-end/22455
7491
7492         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7493         Checksum only the parts of the tree that exist for the tree code.
7494
7495 2005-08-28  Dale Johannesen  <dalej@apple.com>
7496
7497         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7498
7499 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7500
7501         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7502
7503 2005-08-28  Richard Henderson  <rth@redhat.com>
7504
7505         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7506         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7507         of char_type_node.
7508
7509 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7510
7511         PR ada/23593
7512         * builtins.c (get_memory_rtx): Don't strip nops
7513         in between COMPONENT_REFs.
7514
7515 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7516
7517         PR middle-end/23463
7518         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7519         types.
7520         (gimplify_modify_expr): Check for zero sized types and gimplify the
7521         rhs and lhs as statements.
7522
7523 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7524
7525         PR libgcj/23508
7526         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7527         state for return address column of signal frames.
7528
7529 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7530
7531         PR target/23539
7532         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7533         bytes >= 2 not bytes == 2.
7534         (expand_block_move): Same.
7535
7536 2005-08-27  Richard Guenther  <rguenther@suse.de>
7537
7538         PR target/23575
7539         * config/i386/sse.md (sse2_movsd): Add missing closing
7540         braces.
7541
7542 2005-08-27  Paul Brook  <paul@codesourcery.com>
7543
7544         * genrecog.c (enum decision_type): Add DT_num_insns.
7545         (struct decision_test): Add u.num_insns.
7546         (add_to_sequence): Add DT_num_insns test.
7547         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7548         (write_cond, debug_decision_2): Ditto.
7549         (change_state): Assume peep2_next_insn never fails.
7550         Remove "afterward" argument.
7551         (write afterward, write_tree): Update to match.
7552         * recog.c (peep2_current_count): New variable.
7553         (peep2_next_insn): Check it.
7554         (peephole2_optimize): Set peep2_current_count.
7555         * recog.h (peep2_current_count): Declare.
7556
7557 2005-08-26  Josh Conner  <jconner@apple.com>
7558
7559         PR middle-end/23584
7560         * ipa-pure-const.c (check_tree): Check for volatile-ness
7561         when considering a dereference.
7562
7563 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7564
7565         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7566
7567 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7568
7569         PR rtl-optimization/23561
7570         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7571         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7572         at most LEN bytes long memory fits into the field.
7573         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7574         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7575         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7576
7577 2005-08-26  Richard Henderson  <rth@redhat.com>
7578
7579         PR rtl-opt/23560
7580         * loop.c (biased_biv_may_wrap_p): New.
7581         (maybe_eliminate_biv_1): Use it to suppress non-equality
7582         comparison transformations.  Delete disabled code.
7583
7584 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7585
7586         * combine.c (make_extraction): Avoid reference outside object.
7587
7588 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7589
7590         * stor-layout.c (finalize_type_size): Restore behaviour for
7591         non-aggregate types to the status quo ante of the patch for
7592         pr 23467.  Document why it matters.
7593
7594 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7595
7596         PR c/23506
7597         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7598         array by one element, initialize the BT_LAST element with NULL.
7599
7600 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7601
7602         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7603         optimizing for size.
7604         (plus_eqsi): Same.
7605         (compare_plus_eqsi): Same.
7606         (plus_eqsi_compare): Same.
7607         (neg_eq0<mode>): Same.
7608         (neg_eq<mode>): Same.
7609
7610         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7611         PROCESSOR_POWER4.
7612
7613 2005-08-26  Nick Clifton  <nickc@redhat.com>
7614
7615         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7616         TARGET_EP is not defined.
7617         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7618         TARGET_EP is enabled.
7619         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7620         * config/v850/v850.md (save_all_interrupt): Only use the EP
7621         register if TARGET_EP is defined.
7622         (restore_all_interrupt): Likewise.
7623         * config/v850/lib1funcs.asm: Update functions so that the EP
7624         register is only used if __EP__ is defined.
7625
7626 2005-08-26  David Ung  <davidu@mips.com>
7627
7628         * config/mips/mips.c (mips_expand_prologue): Handle case when
7629         generating for MIPS16 and the outgoing argument area is more than
7630         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7631         add instruction.
7632
7633 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7634
7635         * config/crx/crx.md: Make doloop_end pattern usage controllable
7636         via mloop-nesting=<max-nesting> command line switch. Make sure
7637         the combiner cannot use doloop_end_<mode> in an illegal way.
7638         * config/crx/crx.c: Use regs up to r6 for argument passing.
7639         Refine crx_address_cost (non cst4 displacements are expensive).
7640         * config/crx/crx.opt: Add switch for mloop-nesting=.
7641
7642 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7643
7644         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7645         (UNSPEC_MVST): New constant.
7646
7647 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7648
7649         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7650         Reject operands containing eliminable registers.
7651         * testsuite/gcc.dg/20050825-1.c: New testcase.
7652
7653 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7654             Jan Hubicka  <jh@suse.cz>
7655
7656         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7657
7658 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7659
7660         PR tree-optimization/23546
7661         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7662         and REAL_CST nodes.
7663
7664 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7665
7666         * params.def (PARAM_MIN_SPEC_PROB): New.
7667         * sched-rgn.c (MIN_PROBABILITY): Delete.
7668         (compute_trg_info): Convert to PARAM_VALUE.
7669         * doc/invoke.texi (param): Document min-spec-prob.
7670
7671 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7672
7673         * config/darwin.h: define __PIC__
7674         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7675         TARGET_OS_CPP_BUILTINS macro.
7676
7677 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7678
7679         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7680         yesterday.
7681
7682 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7683
7684         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7685         to duplicate_block.
7686         * cfghooks.c (duplicate_block): Added position where to place
7687         new block as argument.
7688         * cfghooks.h (duplicate_block): Declaration changed.
7689         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7690         duplicate_block.
7691         * cfglayout.h (copy_bbs): Declaration changed.
7692         * cfgloop.h (loop_version): Declaration changed.
7693         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7694         position to copy_bbs.
7695         (loop_version): Pass position to duplicate_loop_to_header_edge.
7696         Add place_after argument and position new blocks according to
7697         it.
7698         * modulo-sched.c (sms_schedule): Pass place_after argument
7699         to loop_version.
7700         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7701         * tree-cfg.c (split_edge_bb_loc): New function.
7702         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7703         to determine position of new blocks.
7704         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7705         to loop_version.
7706         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7707         argument to duplicate_block.
7708         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7709         Pass position to copy_bbs.
7710
7711 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7712
7713         * fold-const.c (ptr_difference_const): Use
7714         cst_and_fits_in_hwi instead of host_integerp.
7715
7716 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7717
7718         * config/darwin.c (gen_pic_offset): New.
7719         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7720         Use it.
7721
7722 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7723
7724         PR tree-optimization/23486
7725         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7726
7727 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7728
7729         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7730         remove use_collect2.
7731         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7732
7733         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7734         configuration files to override the default value.
7735
7736         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7737         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7738         * config/vx-common.h:  New file, split out from...
7739         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7740         * config/vxworksae.h:  New file, for VxWorks AE.
7741         * config/vxworks.opt:  New file.
7742         * config/vxlib.c:  Update for VxWorks 6.
7743
7744         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7745         other MULTILIB_* variables appropriately.
7746         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7747         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7748         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7749         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7750
7751 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7752
7753         PR target/20799
7754         * config/darwin.c (machopic_select_section): Remove the hack to
7755         mark "::operator new" and "::operator delete" for coalescing
7756         even though they are not weak.
7757
7758 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7759
7760         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7761         * configure: Regenerate.
7762
7763 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7764
7765         PR middle-end/23517
7766         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7767         between vectors.
7768         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7769         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7770         Likewise.
7771
7772 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7773
7774         * config/rs6000/predicates.md (equality_operator): New.
7775         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7776         comparison with a large constant.
7777
7778 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7779
7780         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7781
7782 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7783
7784         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7785         registers is even, and we have a hardware double precision fp,
7786         align the buffer.
7787         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7788         size of current argument when checking if argument was passed in
7789         registers.
7790
7791         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7792
7793         PR middle-end/23467
7794         * stor-layout.c (finalize_type_size): Dont override
7795         existing alignment with a smaller alignment from the mode.
7796
7797 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7798
7799         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7800         * lambda.h (lambda_vector_lexico_pos): ... here.
7801         * tree-data-ref.c (build_classic_dist_vector): Return false when
7802         the distance vector is lexicographically negative.
7803
7804 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7805
7806         PR tree-optimization/23511
7807         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7808         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7809
7810 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7811
7812         PR tree-optimization/22043
7813         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7814         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7815         If ALLOW_FLEXARR, handle types ending with flexible array member.
7816         Pass false as second argument to recursive count_type_elements calls.
7817         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7818         argument to count_type_elements call.
7819         * tree-sra.c (decide_block_copy): Likewise.
7820         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7821         for a constant-sized object, set cleared as well.  Pass true as
7822         second argument to count_type_elements call.
7823
7824 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7825
7826         PR target/21571
7827         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7828         from legitimate_small_data_p, and make global.  Update use.
7829         Remove forward declaration.
7830         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7831         Declare.
7832         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7833
7834 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7835
7836         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7837         of scratch intermediates.
7838         (eq<mode>_compare): Same.
7839         (neg_eq0<mode>): New.
7840         (neg_eq<mode>): Convert to define_insn_and_split.
7841
7842 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7843
7844         PR target/23070
7845         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7846         stdarg functions, set/clear the fp marker even when no variable
7847         args are passed.
7848         * config/rs6000/sysv4.opt (mprototype): Describe.
7849
7850 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7851
7852         PR rtl-optimization/23478
7853         * regs.h (reg_info): Add throw_calls_crossed.
7854         (REG_N_THROWING_CALLS_CROSSED): Define.
7855         * flow.c (allocate_reg_life_data): Initialize
7856         REG_N_THROWING_CALLS_CROSSED.
7857         (propagate_one_insn, attempt_auto_inc): Update
7858         REG_N_THROWING_CALLS_CROSSED.
7859         * global.c (global_alloc): Don't allocate pseudos across
7860         calls that may throw.
7861
7862 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7863
7864         PR c/18715
7865         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7866         value is inbetween the range if we did not find an exact match.
7867
7868 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7869
7870         * doc/invoke.texi (Option Summary): Add ms1 options.
7871         * doc/extend.texi: Document interrupt handler attribute for ms1.
7872         * doc/md.texi: Document ms1 constraints.
7873         * config.gcc: Add ms1-*-elf.
7874         * config/ms1/ms1.h: New.
7875         * config/ms1/ms1.c: New.
7876         * config/ms1/ms1.md: New.
7877         * config/ms1/ms1-protos.h: New.
7878         * config/ms1/ABI.txt: New.
7879         * config/ms1/crti.asm: New.
7880         * config/ms1/crtn.asm: New.
7881         * config/ms1/lib2extra-funcs.c: New.
7882         * config/ms1/t-ms1: New.
7883         * config/ms1/ms1.opt: New.
7884
7885 2005-08-22 Ira Rosen <irar@il.ibm.com>
7886
7887         * config/rs6000/altivec.md (xorv4sf3): New.
7888         (negv4sf2, neg<mode>2): Likewise.
7889
7890 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7891
7892         PR target/23485
7893         * config/ia64/ia64.md (divsi3): Check divide by zero.
7894         (udivsi3): Likewise.
7895         (divdi3): Likewise.
7896         (udivdi3): Likewise.
7897
7898 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7899
7900         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7901         up to elem_bitsize bits, not max_bitsize.
7902
7903 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7904
7905         PR tree-optimization/23433
7906         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7907         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7908
7909 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7910
7911         PR tree-optimization/23434
7912         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7913         the iteration bound is not an INTEGER_CST.
7914
7915 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7916
7917         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7918         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7919         NULL if need_epilog_adjust is false.
7920         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7921         Case 3 always peels first itration, not just for PLUS case, and no need
7922         to use scalar_initial_def here. Create an epilog adjustment only if
7923         scalar_initial_def is not NULL.
7924
7925         (vectorizable_reduction): Remove assert.
7926
7927 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7928
7929         PR target/23485
7930         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7931         (__moddi3): Likewise.
7932         (__udivdi3): Likewise.
7933         (__umoddi3): Likewise.
7934         (__divsi3): Likewise.
7935         (__modsi3): Likewise.
7936         (__udivsi3): Likewise.
7937         (__umodsi3): Likewise.
7938
7939 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7940
7941         * tree-pass.h (TDF_GRAPH): Define.
7942         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7943         * passes.c (finish_optimization_passes): Only call
7944         finish_graph_dump_file if TDF_GRAPH is set.
7945         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7946         NULL.  Set TDF_GRAPH bit.
7947         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7948
7949 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7950
7951         * arm.h (arm_stack_offsets): Add locals_base field.
7952         * arm.c (arm_get_frame_offsets): Compute it.
7953         (thumb_compute_initial_elimination offset): Make the Thumb frame
7954         pointer point to the base of the local variables.
7955         (thumb_expand_prologue): Update accordingly.
7956         (thumb_expand_epilogue): Likewise.
7957
7958         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7959         mode of clobbered scratch to DImode.  Handle a case that's known to
7960         need this.
7961
7962 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7963
7964         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7965         (gt0<mode>_compare): Delete.
7966         (neg_gt0<mode>): Delete.
7967
7968 2005-08-19  Eric Christopher  <echristo@apple.com>
7969
7970         * optabs.h: Change CTI_ to COI_.
7971         * optabs.c: Ditto.
7972
7973 2005-08-19  James E Wilson  <wilson@specifix.com>
7974
7975         * builtins.c (expand_builtin_return_addr): Set
7976         current_function_accesses_prior_frames when count != 0.  Use
7977         frame_pointer_rtx when count == 0.
7978         * function.h (struct function): Add accesses_prior_frames field.
7979         (current_function_accesses_prior_frames): Define.
7980         * reload1.c (init_elim_table): Check
7981         current_function_accesses_prior_frames.
7982         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7983
7984 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7985
7986         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7987         indicator.  Return true if the flowgraph changed during
7988         cleanup.
7989
7990 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7991
7992         PR 23476
7993         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7994         conditional expression before testing its value.
7995
7996 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7997
7998         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7999
8000 2005-08-19  Devang Patel  <dpatel@apple.com>
8001
8002         PR tree-optimization/23048
8003         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8004         third parameter. Check whether latch is dominated by exit
8005         block or not.
8006         (if_convertible_loop_p): Supply exit block itself to
8007         if_convertible_bb_p.
8008
8009 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8010
8011         PR target/23473
8012         * arm.md (arm_load_pic_register): Change argument to the mask of
8013         saved registers.  Call thumb_find_work_register if we need a
8014         scratch register on Thumb.
8015         (arm_expand_prologue): Pass empty register set to
8016         arm_load_pic_register.
8017         (thumb_expand_prologue): Pass live_regs_mask directly to
8018         arm_load_pic_register.
8019         * arm-protos.h (arm_load_pic_register): Update prototype.
8020
8021 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
8022
8023         * sh.c (find_sole_member): New function.
8024         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8025         if the record's alignment is larger than the size of its only member.
8026
8027 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8028
8029         PR target/23436
8030         * arm.c (thumb_legitimize_reload_address): New function.
8031         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8032         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8033
8034 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
8035
8036         * config/crx/crx.c: Implement crx_decompose_address. Reject
8037         symbolic displacements since CRX register relative adressing
8038         mode can't handle unsigned 32-bit values as displacements.
8039         * config/crx/crx.h: Simplify definitions, remove redundant
8040         parenthesis and obsolete macros.
8041         * config/crx/crx.opt: Add new switch for debugging addresses.
8042         * config/crx/crx-protos.h: Add new declarations for above.
8043
8044 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
8045
8046         PR middle-end/20624
8047         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8048         looking past it.
8049
8050 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8051
8052         * collect2.c (dup2): Delete.
8053         * configure.ac: Don't check for dup2.
8054
8055         * config.in, configure: Regenerate.
8056
8057 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
8058
8059         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8060         record with the type of its only member.
8061
8062 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
8063
8064         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8065         define_insn_and_split.
8066         (plus_ltu<mode>_compare): Same.
8067         (gtu<mode>_compare): Same.
8068         (plus_gtu<mode>_compare): Same.
8069
8070 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
8071
8072         PR tree-optimization/22228
8073         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8074         todo_flags_start.
8075         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8076         are recorded in vect_vnames_to_rename for renaming.
8077         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8078         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8079         in vect_vnames_to_rename.
8080         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8081         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8082
8083 2005-08-18  Jan Hubicka  <jh@suse.cz>
8084
8085         PR c++/22034
8086         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8087         info only for local statics, not for member variables.
8088
8089 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8090
8091         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8092
8093 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8094
8095         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8096
8097 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
8098
8099         PR middle-end/16045
8100         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8101
8102 2005-08-17  James E Wilson  <wilson@specifix.com>
8103
8104         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8105         array size check.
8106
8107 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
8108
8109         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8110         (leu<mode>_compare): Same.
8111         (plus_leu<mode>): Same.
8112         (neg_leu<mode>): Same.
8113         (and_neg_leu<mode): Same.
8114         (ltu<mode>_compare): Same.
8115         (plus_ltu<mode>): Same.
8116         (geu<mode>): Same.
8117         (geu<mode>_compare): Same.
8118         (plus_geu<mode>): Same.
8119         (neg_geu<mode>): Same.
8120         (and_neg_geu<mode>): Same.
8121         (plus_gt<mode>): Same.
8122         (gtu<mode>_compare): Same.
8123         (plus_gtu<mode>): Same.
8124
8125 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
8126
8127         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8128         Move call_table_data to end.  Delete spurious .text.
8129         (callt_save_all_interrupt): Fix comment typo.
8130
8131 2005-08-17  James E Wilson  <wilson@specifix.com>
8132             Kevin Winchester  <winchester@amirix.com>
8133
8134         PR target/21684
8135         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8136
8137 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
8138
8139         PR target/23268
8140         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8141         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8142
8143 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
8144
8145         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8146         record with the type of its only member if the modes don't match.
8147
8148         * varasm.c (decode_reg_name): Skip empty additional register names.
8149
8150 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
8151
8152         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8153         lsm_tmp_name_length): New.
8154         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8155         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8156
8157 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8158             Andreas Krebbel  <krebbel1@de.ibm.com>
8159
8160         * config.gcc: Added z9-109 switch.
8161         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8162         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8163         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8164         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8165         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8166         for "z9_109" cpu attribute.
8167         * config/s390/s390.c (z9_109_cost): New processor cost structure.
8168         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8169         (s390_handle_arch_option): Added z9-109 switch.
8170         (override_options): Set respective cost function for z9-109.
8171         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8172         (legitimate_reload_constant_p): Accept extended immediates.
8173         (print_operand): Three new output modifiers added: k, m and o.
8174         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8175         (s390_output_mi_thunk): Use extended immediate when possible.
8176         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8177         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8178         (CONSTRAINT_LEN): Added length of O constraint.
8179         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8180         * config/s390/s390.md ("cpu"): New value z9_109 added.
8181         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8182         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8183         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8184         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8185         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8186         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8187         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8188         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8189         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8190         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8191         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8192         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8193         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8194         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8195         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8196         immediates.
8197         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8198         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8199         insns for TARGET_EXTIMM.
8200
8201 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8202
8203         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8204
8205 2005-08-17  Nick Clifton  <nickc@redhat.com>
8206
8207         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8208         Call default_encode_section_info.
8209
8210 2005-08-17  Steven Bosscher  <stevenb@suse.de>
8211
8212         PR tree-optimization/21574
8213         * tree-ssa-ccp.c (likely_value): If the right hand side is a
8214         constant, return CONSTANT.
8215         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8216         (ccp_fold, visit_assignment): Likewise.
8217         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8218
8219 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8220
8221         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8222         fold_buildN instead of buildN then fold_initializer or fold.
8223         (build_unary_op): Likewise.
8224         (build_binary_op): Likewise.
8225         * fold-const.c (fold_initializer): Remove.
8226         (fold_build1_initializer): New function.
8227         (fold_build2_initializer): New function.
8228         (fold_build3_initializer): New function.
8229         * tree.h (fold_initializer): Remove.
8230         (fold_build1_initializer): New function.
8231         (fold_build2_initializer): New function.
8232         (fold_build3_initializer): New function.
8233
8234 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8235
8236         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8237         (try_move_mult_to_index): Call fold_build2 instead of build2.
8238         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8239         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8240         fold_binary_to_constant.
8241         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8242         fold (build.
8243         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8244         check if A == gcd (A, B).  Remove TYPE argument.
8245         (analyze_offset) Use fold_build2 instead of fold (build.
8246         (create_data_ref): Likewise.
8247         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8248         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8249         then fold.
8250
8251 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
8252
8253         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8254         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8255
8256 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
8257
8258         PR tree-opt/23402
8259         * gimplify.c (zero_sized_type): New function.
8260         (gimplify_modify_expr_rhs): If we have a zero sized type,
8261         replace the statement with an empty statement.
8262
8263 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
8264
8265         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8266         fxsave.
8267
8268 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8269
8270         * doc/tm.texi (Label Output): Correct typo.
8271
8272 2005-08-16  Steven Bosscher  <stevenb@suse.de>
8273
8274         PR target/23376
8275         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8276         force_operand will work later on using have_insn_for.
8277
8278 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8279
8280         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8281
8282 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8283
8284         PR c++/23337
8285         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8286         vector type, don't try to construct it element by element.  Add an
8287         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8288
8289 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8290
8291         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8292
8293 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
8294
8295         * doc/invoke.texi (Precompiled Headers): Document some more options
8296         which are known to be safe.
8297
8298 2005-08-16  James E Wilson  <wilson@specifix.com>
8299
8300         PR tree-optimization/21105
8301         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8302         TREE_OVERFLOW check.
8303
8304 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
8305
8306         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8307         (neg_ltu<mode>): Same.
8308         (gtu<mode>): Same.
8309         (neg_gtu<mode>): Same.
8310
8311 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8312
8313         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8314         (fold_builtin_isdigit): Use fold_buildN.
8315         (build_function_call_expr): Likewise.
8316         * c-typeck.c (c_finish_loop): Likewise.
8317
8318 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
8319             Richard Shann <rshann@superh.com>
8320
8321         PR middle-end/20396:
8322         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8323
8324 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
8325
8326         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8327
8328 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8329
8330         PR target/23355
8331         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8332         arm_compure_save_reg0_reg12_mask to determine when the PIC register
8333         must be saved.
8334
8335 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8336
8337         PR middle-end/23369
8338         * fold-const.c (build_range_check): Disable optimization for function
8339         pointer expressions on targets that require function pointer
8340         canonicalization.
8341
8342 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8343
8344         * simplify-rtx.c (simplify_const_relational_operation): When
8345         extracting arguments of a COMPARE, recompute the mode as well.
8346
8347 2005-08-15  Ian Lance Taylor  <ian@airs.com>
8348
8349         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8350
8351 2005-08-15  DJ Delorie  <dj@redhat.com>
8352
8353         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8354         the stack.
8355         (movsi_splittable): Allow, but split, moves to the stack.
8356         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8357         stack.
8358
8359 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8360
8361         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8362         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8363         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8364
8365         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8366         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8367         Delete HOST_PTR_PRINTF.
8368
8369         * configure, config.in: Regenerate.
8370
8371 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
8372
8373         * config/rs6000/rs6000.md (QHSI): New mode macro.
8374         (wd): Extend mode attr for QImode and HImode
8375         (dbits): New mode attr.
8376         (zero_extend<mode>di2): Convert to mode macro.
8377
8378 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
8379
8380         PR target/21841
8381         * doc/invoke.texi (-mgnu-ld): Update description.
8382         (-mhp-ld): Ditto.
8383
8384 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8385
8386         PR 23391
8387         * Makefile.in (tree-chrec.o): Depends on real.h.
8388         * tree-chrec.c: Include real.h.
8389         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8390         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8391         * tree-scalar-evolution.c (add_to_evolution_1,
8392         interpret_rhs_modify_expr): Ditto.
8393
8394 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8395
8396         PR 23386
8397         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8398         step is negative compute the estimation from init downwards to zero.
8399
8400 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8401
8402         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8403
8404 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8405
8406         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8407         constraint.
8408         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8409         Accept double-word constants that can be split.
8410         * config/s390/s390.md ("movti"): Use 'P' constraint.
8411         ("*movdi_31", "*movdf_31"): Likewise.
8412
8413 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8414
8415         Fix PR tree-optimization/22615
8416
8417         * tree-ssa-structalias.c (solution_set_add): Handle
8418         first_vi_for_offset returning NULL.
8419         (do_da_constraint): Ditto.
8420         (do_sd_constraint): Ditto.
8421         (do_ds_constraint): Ditto
8422         (find_func_aliases): Ditto.
8423         (build_constraint_graph): RHS is allowed be ANYTHING.
8424         (first_vi_for_offset): Return NULL if we couldn't find anything at
8425         the offset.
8426
8427 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8428
8429         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8430         over memory as first operand.
8431
8432 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8433
8434         PR target/23360
8435         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8436         available for setting it.
8437
8438 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8439
8440         PR tree-optimization/23320
8441         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8442         data-refs' types instead of base object nullness. Add check for
8443         pointer type data-refs before first location comparison. Remove
8444         assert.
8445
8446 2005-08-14  Andreas Schwab  <schwab@suse.de>
8447
8448         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8449
8450 2005-08-13  James E Wilson  <wilson@specifix.com>
8451
8452         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8453         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8454         -fstack-protector-all, --param ssp-buffer-size): Document.
8455         (-Wvariadic-macros): Alphabetize.
8456         (-fsched-stalled-insns-dep): Add missing 'f'.
8457
8458         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8459         macros.
8460
8461 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8462
8463         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8464         or indirect address operand.
8465         (EXTRA_ADDRESS_CONSTRAINT): New.
8466         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8467
8468 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8469
8470         PR tree-optimization/22236
8471         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8472         successors and predecessors.
8473         * tree-chrec.c (chrec_convert): Before converting, check that
8474         sequences don't wrap.
8475         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8476         (analyze_array): Extern.
8477         (find_data_references_in_loop): Remove call to
8478         compute_estimated_nb_iterations.
8479         * tree-data-ref.h (analyze_array): Declared.
8480         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8481         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8482         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8483         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8484         condition.
8485         * tree-ssa-loop-ivcanon.c: Fix documentation.
8486         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8487         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8488         (infer_loop_bounds_from_undefined): New.
8489         (estimate_numbers_of_iterations_loop): Use
8490         infer_loop_bounds_from_undefined.
8491         (used_in_pointer_arithmetic_p): New.
8492         (scev_probably_wraps_p): Pass an extra parameter.  Call
8493         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8494         (convert_step): Fix documentation.
8495         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8496         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8497         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8498         scev_probably_wraps_p.
8499
8500 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8501
8502         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8503         (s390_register_info): Ignore clobbered_regs information for fixed
8504         registers, and only fixed registers.
8505         (s390_init_frame_layout): Remove redundant call.
8506
8507 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8508
8509         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8510         description of -Wold-style-casts.
8511
8512 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8513             Jakub Jelinek  <jakub@redhat.com>
8514
8515         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8516         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8517         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8518         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8519         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8520         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8521         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8522         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8523         ("stack_protect_set", "stack_protect_test"): New expanders.
8524         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8525         "stack_protect_testdi"): New insn definitions.
8526
8527 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8528
8529         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8530
8531 2005-08-12  Paul Brook  <paul@codesourcery.com>
8532
8533         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8534
8535 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8536
8537         * config/s390/predicates.md (setmem_operand): New predicate.
8538         (shift_count_operand): Accept ANDs with special constants as
8539         operand.
8540         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8541         with special constants.
8542         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8543         shift_count_operand with setmem_operand.
8544
8545 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8546
8547         * config/s390/s390.c (s390_extract_part, s390_single_part):
8548         Type cast added.
8549         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8550         (s390_output_mi_thunk): Don't use lg on 31 bit.
8551         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8552         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8553
8554 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8555
8556         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8557         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8558         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8559         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8560         with one of the new macros.
8561
8562 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8563
8564         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8565         Don't set save_return_addr_p.
8566         (s390_register_info): Make clobbered_regs not depending on
8567         save_return_addr_p.
8568
8569 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8570
8571         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8572         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8573
8574 2005-08-11  James E. Wilson  <wilson@specifix.com>
8575
8576         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8577
8578 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8579
8580         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8581         locations gathered by var-tracking in single entry loc_list
8582         over loc_descriptor_from_tree.
8583
8584         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8585         pass it down to loc_descriptor.
8586         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8587         (containing_function_has_frame_base): Move earlier in the file.
8588         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8589         instead of always assuming fbreg can't be used.
8590
8591 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8592
8593         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8594         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8595         Accept address wrapped in AND for Altivec.
8596         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8597         Strip AND wrapping offset address for Altivec.
8598
8599 2005-08-11  Richard Henderson  <rth@redhat.com>
8600
8601         PR middle-end/23312
8602         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8603         before using TYPE_IS_SIZETYPE.
8604
8605 2005-08-11  Richard Henderson  <rth@redhat.com>
8606
8607         PR target/22225
8608         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8609         insn types not present on ev4.
8610         (alphaev5_insn_pipe): Similarly.
8611
8612 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8613
8614         PR target/23250
8615         * arm.c (arm_override_options): If the user has selected callee-super-
8616         interworking, then enable normal interworking.
8617
8618 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8619
8620         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8621         redefinition.
8622
8623 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8624
8625         * doc/rtl.texi: Fix two typos.
8626
8627 2005-08-11  Richard Guenther  <rguenther@suse.de>
8628
8629         PR target/23289
8630         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8631         cases where we call to/from functions returning void.
8632
8633 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8634
8635         PR c++/23225
8636         * tree.c (build_pointer_type_for_mode): Robustify.
8637
8638 2005-08-10  James E Wilson  <wilson@specifix.com>
8639
8640         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8641         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8642
8643         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8644         "cum->".
8645
8646 2005-08-10  Eric Christopher  <echristo@apple.com>
8647
8648         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8649         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8650         V2DFmode.
8651
8652 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8653
8654         PR target/21887
8655         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8656         for the high part when generating dynamic-no-pic code.
8657
8658 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8659
8660         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8661         (x86_64-*-linux*): Likewise.
8662
8663         * config/i386/crtfastmath.c: New file.
8664         * config/i386/t-crtfm: Likewise.
8665
8666         * config/i386/linux.h (ENDFILE_SPEC): New.
8667         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8668
8669         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8670         crtfastmath.o.
8671
8672 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8673
8674         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8675         (vec_shl, vec_shr): Document new operations.
8676         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8677
8678 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8679
8680         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8681         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8682         change predicate to indexed_or_indirect_address.
8683
8684 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8685
8686         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8687         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8688         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8689         and __aeabi_uwrite8.
8690         * config/arm/unaligned-funcs.c: New file.
8691         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8692
8693 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8694
8695         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8696         Add dump.
8697         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8698         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8699         Add dump.
8700         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8701         * final.c (pass_shorten_branches): Add dump.
8702         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8703         (pass_life): Rename dump.
8704         (rest_of_handle_flow2): Remove initial verify_flow_info.
8705         * function.c (pass_instantiate_virtual_regs): Add dump.
8706         * integrate.c (pass_initial_value_sets): Add dump.
8707         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8708         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8709         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8710         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8711         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8712         gate_rtl_unrool_and_peel_loops): New.
8713         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8714         rtl_doloop): Do not look at flags.
8715         * mode-switching.c (pass_mode_switching): Add dump.
8716         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8717         pass_split_before_regstack): Add dump.
8718         * regmove.c (pass_stack_adjustments): Add dump.
8719         * tree-optimize.c (pass_fixup_cfg): Add dump.
8720
8721 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8722
8723         PR 23309
8724         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8725         deciding which instruction sequence to use.
8726
8727 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8728
8729         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8730         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8731
8732 2005-08-09  Richard Guenther  <rguenther@suse.de>
8733
8734         * c-common.c (builtin_function_2): Remove.
8735         (def_builtin_1): New function.
8736         (c_common_nodes_and_builtins): Use def_builtin_1 to
8737         build builtin functions.
8738
8739 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8740
8741         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8742         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8743         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8744         Visual DSP.
8745
8746 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8747
8748         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8749         fold_binary instead of fold_build2 since we don't care about the
8750         resulting tree.
8751         (loop_niter_by_eval): Likewise.
8752         (compare_trees): Likewise.
8753         (proved_non_wrapping_p): Likewise.
8754
8755 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8756
8757         PR c/23161
8758         PR c/23165
8759         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8760         if the if is really empty.
8761
8762 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8763
8764         PR tree-optimization/23234
8765         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8766         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8767         argument of the new enum.
8768         (execute_cse_reciprocals): Add reciprocals for function arguments
8769         on the unique successor edge of the entry block.  Update other calls
8770         to execute_cse_reciprocals_1.
8771
8772 2005-08-08  Richard Henderson  <rth@redhat.com>
8773
8774         PR 22439
8775         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8776
8777 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8778
8779         * expr.c (write_complex_part): Return after handling MEM.
8780
8781 2005-08-08  Josh Conner  <jconner@apple.com>
8782
8783         PR rtl-optimization/23241
8784         * combine.c (simplify_comparison): Fix error in determining
8785         whether to lift a subreg from comparison.
8786
8787 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8788
8789         PR target/18506
8790         * config/rs6000/altivec.md (vec_init<mode>): New.
8791         (vec_set<mode>): New.
8792         (vec_extract<mode>): New.
8793         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8794         (rs6000_expand_vector_set): New.
8795         (rs6000_expand_vector_extract): New.
8796         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8797         for Altivec modes before reload.
8798         (altivec_expand_vec_init_builtin): New.
8799         (get_element_number): New.
8800         (altivec_expand_vec_set_builtin): New.
8801         (altivec_expand_vec_ext_builtin): New.
8802         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8803         builtins.
8804         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8805         builtins.
8806         * config/rs6000/rs6000.h (rs6000_builtins): Add
8807         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8808         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8809         * config/rs6000/rs6000-protos.h: Declare new functions.
8810
8811 2005-08-08  Jan Hubicka  <jh@suse.cz>
8812
8813         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8814         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8815         * i386.md (movdi*): Use pic_32bit_operand.
8816         * predicates.md (pic_32bit_operand): New.
8817
8818 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8819
8820         PR c++/21166
8821         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8822
8823 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8824
8825         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8826         (test_for_singularity): Use fold_build2.
8827
8828 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8829
8830         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8831
8832 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8833
8834         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8835         (COMMON_ASM_OP) Define.
8836         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8837         (ix86_encode_section_info): Likewise.
8838         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8839         SUBTARGET_ENCODE_SECTION_INFO.
8840
8841 2005-08-06  Richard Henderson  <rth@redhat.com>
8842
8843         PR 21894
8844         * tree-nested.c (convert_local_reference): Save and restore val_only
8845         around component_ref and friends.  Clear walk_subtrees by default.
8846
8847 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8848
8849         PR 21366
8850         * gcc.c (process_command): Check the argument to -b has a dash.
8851         * doc/invoke.texi: Update -b and -V docs.
8852
8853 2005-08-06  James E Wilson  <wilson@specifix.com>
8854
8855         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8856
8857 2005-08-06  Michael Matz  <matz@suse.de>
8858
8859         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8860         member only if only one insn is associated with the value.
8861
8862 2005-08-06  Nick Clifton  <nickc@redhat.com>
8863
8864         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8865         New define.
8866         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8867         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8868         Check symbol flags instead of symbol name mangling.
8869         (xstormy16_asm_output_aligned_common): Likewise.  Also
8870         simplify code since the bss100_section cass is the only case
8871         where the below100 code will be triggered.
8872         (xstormy16_encode_section_info): Encode below100 attribute
8873         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8874         the name.
8875         (xstormy16_strip_name_encoding): Delete - this function is no
8876         longer needed.
8877         (TARGET_STRIP_NAME_ENCODING): Undefine.
8878         * config/stormy16/stormy16-protos.h: Delete prototype for
8879         xstormy16_strip_name_encoding.
8880
8881 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8882
8883         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8884         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8885         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8886         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8887         config/alpha/predicates.md, config/arc/arc.h,
8888         config/arm/arm.h, config/arm/ieee754-df.S,
8889         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8890         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8891         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8892         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8893         config/m68hc11/m68hc11.h, config/mips/mips.c,
8894         config/mips/mips.h, config/mips/openbsd.h,
8895         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8896         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8897         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8898         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8899         config/sparc/linux.h, config/sparc/linux64.h,
8900         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8901         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8902         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8903         typos.  Follow spelling conventions.
8904
8905 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8906
8907         PR c/23113
8908         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8909         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8910         specially.  Check for side effects only for COND_EXPR.
8911         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8912         return with TREE_NO_WARNING.
8913
8914 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8915
8916         PR rtl-optimization/23233
8917         * loop.c (combine_movables): Require the modes to be the same.
8918         (move_movables): Remove handling of cases where the replacement
8919         had a different mode to the original.
8920
8921 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8922
8923         PR tree-optimization/23128
8924         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8925         subtraction wrap, and set TREE_OVERFLOW if they do.
8926
8927 2005-08-05  Richard Henderson  <rth@redhat.com>
8928
8929         PR 21728
8930         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8931         FORCED_LABEL labels.
8932
8933 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8934
8935         PR middle-end/23135
8936         * reload.c (find_reloads_subreg_address): Pass down TYPE
8937         unchanged.  Change all callers except find_reloads_toplev.
8938
8939 2005-08-05  Michael Matz  <matz@suse.de>
8940
8941         * genattrtab.c (current_alternative_string): Remove.
8942         (SIMPLIFY_ALTERNATIVE): Ditto.
8943         (attr_alt_bit_p): Ditto.
8944         (alternative_name): Make const char *.
8945         (evaluate_eq_attr): Remove use of above things.
8946         (simplify_test_exp): Ditto.
8947         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8948         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8949
8950 2005-08-04  James E Wilson  <wilson@specifix.com>
8951
8952         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8953         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8954         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8955         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8956         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8957
8958 2005-08-04  Richard Henderson  <rth@redhat.com>
8959
8960         PR 21529
8961         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8962         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8963         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8964         if we'd have to instantiate too many members.
8965
8966 2005-08-04  Richard Henderson  <rth@redhat.com>
8967
8968         PR 21291
8969         * tree-outof-ssa.c (coalesce_asm_operands): New.
8970         (coalesce_ssa_name): Use it.  Split out ...
8971         (coalesce_phi_operands, coalesce_result_decls): ... these.
8972
8973 2005-08-04  Paul Brook  <paul@codesourcery.com>
8974
8975         * read-rtl.c (read_quoted_string): Break if EOF.
8976
8977 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8978
8979         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8980         (fold_build2): Likewise.
8981         (fold_build3): Likewise.
8982         (fold_build1_stat): New function prototype.
8983         (fold_build2_stat): Likewise.
8984         (fold_build3_stat): Likewise.
8985         * fold-const.c (fold_build1): Rename to ..
8986         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8987         through to build1_stat.
8988         (fold_build2): Rename to ..
8989         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8990         through to build2_stat.
8991         (fold_build3): Rename to ..
8992         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8993         through to build3_stat.
8994
8995 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8996             Ian Lance Taylor  <ian@airs.com>
8997
8998         * function.c (assign_stack_local_1): Do not correct stack slot
8999         address if allocation size is smaller than mode size.
9000
9001 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
9002
9003         PR 22037
9004         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9005         (tree_merge_blocks): Propagate anything allowed by
9006         may_propagate_copy.
9007         Clarify documentation.
9008         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9009         SSA form, schedule an update if necessary.
9010
9011 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
9012
9013         * doc/install.texi (Binaries): Remove broken link to
9014         Sinix/Reliant Unix binaries.
9015
9016 2005-08-03  Richard Henderson  <rth@redhat.com>
9017
9018         PR 23221
9019         * function.c (stack_protect_epilogue): Export.
9020         * tree.h (stack_protect_epilogue): Declare.
9021         * calls.c (expand_call): Call it.
9022
9023 2005-08-03  Eric Christopher  <echristo@apple.com>
9024
9025         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9026         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9027         spec.
9028
9029 2005-08-04  Jan Hubicka  <jh@suse.cz>
9030
9031         * profile.c (branch_prob): Split edges with goto locus on them
9032         to get proper line counts.
9033         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9034
9035 2005-08-03  Paul Brook  <paul@codesourcery.com>
9036
9037         * function.c (assign_parms): Round current_function_args_size
9038         to PARM_BOUNDARY, not STACK_BOUNDARY.
9039
9040 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
9041
9042         * config/i386/i386.c (x86_elf_aligned_common)
9043         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9044
9045 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
9046
9047         PR tree-optimization/23157
9048         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9049         before emitting them.
9050
9051 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9052
9053         PR tree-optimization/19899
9054         * Makefile.in (tree-scalar-evolution.o): Add real.h.
9055         * tree-scalar-evolution.c: Include real.h.
9056         (add_to_evolution): Build constant -1 of correct type.
9057
9058 2005-08-03  Jan Hubicka  <jh@suse.cz>
9059
9060         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9061         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9062         profile updating for complette unrolling.
9063         * loop-unroll.c (peel_loop_completely): Use it.
9064         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9065         (tree_unroll_loops_completely): Disable code growing unrolling of cold
9066         loops.
9067
9068 2005-08-03  Paul Brook  <paul@codesourcery.com>
9069
9070         * combine.c (can_change_dest_mode): New function.
9071         (try_combine, simplify_set): Use it.
9072
9073 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
9074
9075         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9076         TFmode to BLKmode.
9077
9078 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
9079
9080         * doc/install.texi (Specific): Adjust link to openavr.org.
9081         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9082         (Binaries): Adjust HP-UX Porting Center link.
9083         (Binaries): Adjust Free Software Foundation ordering link.
9084
9085 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
9086
9087         * convert.c (convert_to_integer): Use fold_build1 instead of
9088         build1 when converting an integer to an integer.
9089
9090 2005-08-02  Richard Henderson  <rth@redhat.com>
9091
9092         * combine.c (combine_instructions): Don't use reg_equal/equiv
9093         results if the mode doesn't match.
9094
9095 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
9096
9097         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9098         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9099
9100 2005-08-02  Richard Henderson  <rth@redhat.com>
9101
9102         PR 23196
9103         * explow.c (memory_address): Remove special-case for
9104         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9105
9106 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
9107
9108         PR 23164
9109         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9110         number of calls to cleanup_tree_cfg_1.
9111
9112 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
9113
9114         * doc/invoke.texi: document file extensions .F90 and .F95
9115
9116 2005-08-02  Richard Guenther  <rguenther@suse.de>
9117
9118         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9119         positive if its first argument is positive.
9120
9121 2005-08-02  Richard Guenther  <rguenther@suse.de>
9122
9123         PR tree-optimization/23177
9124         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9125         on TMR_TAG.
9126
9127 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
9128
9129         PR tree-optimization/23129
9130         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9131         varying for divisions with anti-ranges.
9132
9133 2005-08-02  Jan Hubicka  <jh@suse.cz>
9134
9135         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9136         * tree-ssa-threadupdate.c (thread_block): Add it here.
9137
9138 2005-08-01  James E Wilson  <wilson@specifix.com>
9139
9140         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9141         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9142         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9143         New.
9144         * config/mips/predicates.md (const_call_insn_operand): Add check for
9145         SYMBOL_REF_LONG_CALL_P.
9146         * doc/extend.texi (long_call): Document the new attribute.
9147
9148 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9149             Richard Henderson  <rth@redhat.com>
9150
9151         * Makefile.in (RTL_BASE_H): Add real.h.
9152         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9153         instead of memcpy.
9154         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9155         directly.
9156         * rtl.c (rtl_check_failed_code_mode): New.
9157         * rtl.h (struct rtx_def): Add u.rv.
9158         (XCMWINT, XCNMPRV): New.
9159         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9160         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9161
9162 2005-08-01  Richard Henderson  <rth@redhat.com>
9163
9164         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9165         with auto-inc codes.
9166
9167         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9168
9169 2005-08-01  Jan Hubicka  <jh@suse.cz>
9170
9171         * i386-protos.h (asm_preferred_eh_data_format): Declare.
9172         * i386.c: Include dwarf2.h
9173         (asm_preferred_eh_data_format): New.
9174         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9175
9176 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9177
9178         * config/host-linux.c (linux_gt_pch_get_address): Add new name
9179         randomize_va_space for virtual address randomization control.
9180
9181 2005-08-01  Steven Bosscher  <stevenb@suse.de>
9182
9183         * common.opt (flag_ipa_cp): Put in right place to maintain
9184         alphabetic sort.
9185
9186 2005-08-01  Jan Hubicka  <jh@suse.cz>
9187
9188         * profile.c (compute_value_histograms): Fix thinko.
9189         * value-prof.c: Include toplev.h
9190         (check_counter): New function.
9191         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9192         tree_mod_subtract_transform): Add sanity check.
9193
9194 2005-08-01  Richard Guenther  <rguenther@suse.de>
9195
9196         PR tree-optimization/23133
9197         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9198         current functions parameter decls to find defs to cse
9199         reciprocals of.
9200
9201 2005-08-01  Richard Guenther  <rguenther@suse.de>
9202
9203         PR tree-optimization/23109
9204         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9205         If trapping math is in effect, use post-dominator information
9206         to check if we'd in any case reach a trapping point before
9207         doing the reciprocal insertion.
9208         (execute_cse_reciprocals): Compute post-dominators, if necessary.
9209         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9210         expressions are invariant only if trapping math is not in effect.
9211
9212 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9213
9214         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9215         cgraph_function_versioning): New declarations.
9216         * cgraphunit.c: Add include to ipa-prop.h.
9217         (update_call_expr, cgraph_copy_node_for_versioning,
9218         cgraph_function_versioning): New functions.
9219         * integrate.c (copy_decl_for_inlining): Remove.
9220         * ipa-prop.h (ipa_replace_map): New struct.
9221         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9222         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9223         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9224         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9225         ipcp_iterate_stage, ipcp_method_scale_print,
9226         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9227         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9228         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9229         ipcp_update_bb_counts, ipcp_update_profiling,
9230         ipcp_update_edges_counts): New functions.
9231         (ipcp_method_cval_init): Remove restriction regarding local methods.
9232         (ipcp_init_stage): Add ipcp_method_compute_scale.
9233         (ipcp_insert_stage): Add versioning.
9234         (ipcp_structures_print): Add ipcp_method_scale_print.
9235         (ipcp_driver): Dump profiling info.
9236         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9237         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9238         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9239         (struct inline_data): Add versioning_p, ipa_info, new fields.
9240         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9241         declare_return_variable): Replace calls to copy_decl_for_inlining with
9242         copy_decl_for_dup.
9243         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9244         versioning support.
9245         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9246         Add argument VERSIONING.
9247         (copy_arguments_for_versioning, copy_static_chain,
9248         function_versionable_p, tree_versionable_function_p,
9249         tree_function_versioning, replace_ref_tree): New functions.
9250         * tree-inline.h: Include varray.h.
9251         (tree_versionable_function_p,  tree_function_versioning,
9252         tree copy_decl_for_dup): New declarations.
9253
9254 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9255
9256         * ipa-cp.c: New file. Contains IPCP specific functionality.
9257         * ipa-prop.h: New file. Contains structures/definitions that can be
9258         used by several interprocedural data flow optimizations (and also IPCP).
9259         * ipa-prop.c: New file.
9260         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9261         * common.opt: Add ipa-cp flag.
9262         * timevar.def: Add IPCP optimization.
9263         * tree-optimize.c (init_tree_optimization_passes): Schedule
9264         pass_ipa_cp.
9265         * tree-pass.h (pass_ipa_cp): Declare.
9266
9267 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
9268
9269         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9270         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9271         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9272         config/i386/i386.c, config/mips/mips.h,
9273         config/rs6000/rs6000.h, config/sh/sh.c,
9274         config/stormy16/stormy16.c: Fix comment typos.
9275
9276 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
9277
9278         PR c/22311
9279         * c-typeck.c (build_binary_op): Use common_type wrapper on
9280         shortened types.
9281         (common_type): Update comment.
9282
9283 2005-07-31  Steven Bosscher  <stevenb@suse.de>
9284
9285         PR target/23095
9286         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9287         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9288         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9289
9290 2005-07-31  Jan Hubicka  <jh@suse.cz>
9291
9292         * pretty-print.h (pp_widest_integer): New macro.
9293         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9294         counts.
9295
9296 2005-07-31  Jan Hubicka  <jh@suse.cz>
9297
9298         * output.h (enum section_category): Export from varasm.c
9299         (categorize_decl_for_section): Likewise.
9300         * varasm.c (enum section_category): Kill.
9301         (categorize_decl_for_section): Make global.
9302         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9303         Declare.
9304         * i386.c (ix86_section_threshold): New static variable.
9305         (ix86_in_large_data_p, ix86_encode_section_info,
9306         x86_64_elf_unique_section,
9307         x86_64_elf_select_section): New functions.
9308         (TARGET_ENCODE_SECTION_INFO): Define
9309         (override_options): Enable medium model for PIC.
9310         (ix86_expand_prologue): Expand gen_set_got_rex64.
9311         (legitimate_constant_p): Handle new UNSPECs.
9312         (legitimate_pic_address_disp_p): Likewise.
9313         (legitimize_pic_address): Lower MEDIUM model addressing.
9314         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9315         (enum cmodel): Add MEDIUM_PIC.
9316         (SYMBOL_REF_FAR_ADDR_P): New macro.
9317         (SYMBOL_FLAG_FAR_ADDR): New flag.
9318         * i386.md (movdi): Support medium model.
9319         (set_got_rex64): New pattern.
9320         * i386.opt (mlarge-data-threshold): New flag.
9321         * predicates.md (zext_operand/sext_operand): Deal with medium model.
9322         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9323         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9324         TARGET_ASM_UNIQUE_SECTION): New.
9325
9326         * invoke.texi (-mlarge_data_threshold): Document
9327
9328 2005-07-31  Jan Hubicka  <jh@suse.cz>
9329
9330         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9331         (coalesce_vars): Likewise.
9332         * tree-ssa-live.c (coalesce_cost): New.
9333         (build_tree_conflict_graph): Use coalesce_cost.
9334         * tree-ssa-live.h (coalesce_cost): Declare.
9335
9336 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9337
9338         * arm.md (all peepholes for post-increment operations): Delete.
9339         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9340         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9341         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9342         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9343         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9344
9345 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9346
9347         * fold-const.c (tree_expr_nonnegative_p): Always return true for
9348         non-integral types.
9349
9350 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9351
9352         PR target/22582
9353         * doc/invoke.texi: Document -rdynamic.
9354
9355 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9356
9357         PR c/23143
9358         * c-parser.c (c_parser_parms_list_declarator): Call
9359         mark_forward_parm_decls.
9360         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9361         decls with visibility structure.
9362
9363 2005-07-30  Paul Brook  <paul@codesourcery.com>
9364
9365         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9366
9367 2005-07-30  Paul Brook  <paul@codesourcery.com>
9368
9369         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9370         prototype.
9371         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9372         value for mode.
9373         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9374
9375 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9376
9377         PR c/529
9378         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9379         nested function declarators.
9380         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9381         (grokparms): Call warn_if_shadowing for parameters used within the
9382         parameter list.
9383         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9384         not used within the parameter list.
9385         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9386
9387 2005-07-30  Jan Hubicka  <jh@suse.cz>
9388
9389         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9390         * i386.c (ix86_fixup_binary_operands): Likewise.
9391         (ix86_expand_unary_operator): Likewise.
9392         (ix86_expand_fp_absneg_operator): Likewise.
9393         * optabs.c (expand_vec_cond_expr): Validate dest.
9394
9395 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9396
9397         PR c/21720
9398         * real.c (real_from_string): Also set last bit if there is a
9399         nonzero hex digit beyond GCC's internal precision after ".".
9400
9401 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9402
9403         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9404         define_constants.  Change duplicate values to unassigned numbers.
9405         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9406         (*altivec_vspltsf): New.
9407         (altivec_vperm_v4sf): Delete.
9408         (altivec_vperm_<mode>): Use mode macro V.
9409         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9410         (altivec_predicate_v4sf): Delete.
9411         (altivec_predicate_<mode>): Use mode macro V.
9412         (*altivec_lvesfx): New.
9413         (*altivec_stvesfx): New.
9414         (vec_realign_load_v4sf): Delete.
9415         (vec_realign_load_<mode>): Use mode macro V.
9416         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9417         UNSPECV_SET_VRSAVE.
9418
9419 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9420
9421         PR bootstrap/23131
9422         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9423         string.
9424         * configure: Regenerated.
9425
9426 2005-07-29  Paul Brook  <paul@codesourcery.com>
9427
9428         * doc/install.texi: Add link to GFortran binaries wiki page.
9429
9430 2005-07-29  David Ung  <davidu@mips.com>
9431
9432         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9433         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9434         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9435         * config/mips/mips.md (cpu): Add 5kf name.
9436         (includes): Includes 5k.md.
9437         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9438         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9439         -march flag.
9440
9441 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9442
9443         PR 22550
9444         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9445         (cleanup_tree_cfg): ... here.
9446         Call cleanup_tree_cfg_1 until there are no more cleanups to
9447         do.
9448
9449 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9450
9451         * tree-vrp.c (compare_range_with_value): Return true or false
9452         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9453         EQ_EXPR respectively.
9454
9455 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9456
9457         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9458         Fix comment typos.
9459
9460 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9461
9462         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9463         (tree_ssa_dominator_optimize): Increment it.
9464         (dump_dominator_optimization_stats): Print it.
9465
9466 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9467             Steven Bosscher  <stevenb@suse.de>
9468
9469         PR rtl-optimization/23117
9470         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9471         when head == tail.  Tidy comment.
9472
9473 2005-07-28  Richard Henderson  <rth@redhat.com>
9474
9475         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9476         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9477         * jump.c (rtx_renumbered_equal_p): Likewise.
9478         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9479         CONST_INT and CONST_DOUBLE.
9480         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9481         * reload.c (operands_match_p): Special case CONST_INT and
9482         CONST_DOUBLE; check mode earlier.
9483
9484 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9485
9486         PR c/22240
9487         * c-typeck.c (convert_for_assignment): Do not check
9488         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9489
9490 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9491
9492         PR c/22192
9493         * c-typeck.c (composite_type): Prefer constant size arrays to
9494         VLAs.
9495
9496 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9497
9498         PR c/21720
9499         * real.c (real_from_string): Set last bit if there is a nonzero
9500         hex digit beyond GCC's internal precision.
9501
9502 2005-07-28  Richard Henderson  <rth@redhat.com>
9503
9504         PR rtl-opt/22619
9505         * cfgcleanup.c (try_forward_edges): Watch out for end of
9506         insn chain.
9507
9508 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9509
9510         PR c/23106
9511         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9512
9513 2005-07-28  Jan Hubicka  <jh@suse.cz>
9514
9515         * Makefile.in (rtl-profile.o): Kill all traces of it.
9516         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9517         * coverage.h (rtl_coverage_counter_ref): Kill.
9518         * opts.c (flag_speculative_prefetching_set): Kill.
9519         (flag_loop_optimize_set): New.
9520         (common_handle_option): Disable loop optimizer when profiling;
9521         do not handle speculative prefetching.
9522         * passes.c (init_optimization_passes): Replace pass_profiling combo
9523         by branch_prob pass.
9524         * profile.c (compute_value_histograms): Update for simplified value
9525         profiles.
9526         (rtl_register_profile_hooks): Kill.
9527         (pass_profiling): Kill.
9528         (rest_of_handle_branch_prob): Do not profile.
9529         * toplev.c (process_options): Remove speculative prefetching.
9530         * toplev.h (flag_tree_based_profiling): Kill.
9531         * tree-profile.c (prepare_instrumented_value,
9532         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9533         tree_gen_one_value_profiler, do_tree_profiling): Update for
9534         simplified datastructures.
9535         * value-prof.c: Add comment that speculative prefetching was dropped;
9536         update rest of file for simplified datastructures.
9537         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9538         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9539         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9540         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9541         rtl_mod_subtract, gen_speculative_prefetch,
9542         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9543         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9544         (gate_handle_value_profile_transformations,
9545         rest_of_handle_value_profile_transformations,
9546         pass_value_profile_transformations): Kill.
9547         * value-prof.h (histogram_value_t): Remove IL based unions.
9548         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9549         rtl_profile_hooks): Remove hooks.
9550
9551         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9552
9553         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9554         (cgraph_clone_node): Likewise.
9555         * cgraph.h (cgraph_clone_edge): Update prototype.
9556         (cgraph_clone_node): Likewise.
9557         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9558         cgraph_clone_node.
9559         (lookup_recursive_calls): Consider profile.
9560         (cgraph_decide_recursive_inlining): Fix updating; use new
9561         probability argument; use profile.
9562         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9563         * tree-inline.c (copy_bb): Update clal of clone_edge.
9564         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9565
9566         * invoke.texi (min-inline-recursive-probability): Document.
9567
9568 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9569
9570         * doc/install.texi (Configuration): Update Valgrind homepage.
9571
9572 2005-07-28  Richard Henderson  <rth@redhat.com>
9573
9574         PR middle-end/21362
9575         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9576         labels we want to delete.
9577         (cfg_layout_merge_blocks): Likewise.
9578
9579 2005-07-28  Richard Henderson  <rth@redhat.com>
9580
9581         PR target/17692
9582         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9583         when expanding to nothing.
9584
9585 2005-07-28  Josh Conner  <jconner@apple.com>
9586
9587         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9588         (cgraph_decide_inlining_of_small_functions): Likewise.
9589
9590 2005-07-28  Josh Conner  <jconner@apple.com>
9591
9592         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9593         direction of badness if negative.
9594         (cgraph_default_inline_p): Add reason to parameters, and assign it
9595         a value.
9596         (cgraph_decide_inlining_of_small_functions): New parameter in call
9597         to cgraph_default_inline_p.
9598         (cgraph_decide_inlining_incrementally): Likewise.
9599         * cgraphunit.c (decide_is_function_needed): Likewise.
9600         * cgraph.h (cgraph_default_inline_p): Likewise.
9601
9602 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9603
9604         * builtins.c: Fix comment typo(s).
9605         * genautomata.c: Likewise.
9606         * gimplify.c: Likewise.
9607         * tree-dfa.c: Likewise.
9608         * tree-flow-inline.h: Likewise.
9609         * tree-into-ssa.c: Likewise.
9610         * tree-ssa-alias.c: Likewise.
9611         * tree-ssa-ccp.c: Likewise.
9612         * tree-ssa-copy.c: Likewise.
9613         * tree-ssa-dce.c: Likewise.
9614         * tree-ssa-dom.c: Likewise.
9615         * tree-ssa-operands.c: Likewise.
9616         * tree-tailcall.c: Likewise.
9617         * tree-vectorizer.c: Likewise.
9618         * tree-vrp.c: Likewise.
9619         * tree.c: Likewise.
9620
9621 2005-07-28  Jeff Law  <law@redhat.com>
9622
9623         * tree-vrp.c (test_for_singularity): Extracted from  ...
9624         (simplify_cond_using_ranges): Attempt to simplify a relational
9625         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9626
9627 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9628
9629         PR tree-optimization/22506
9630         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9631         phis whose argument is constant.
9632
9633 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9634
9635         PR rtl-optimization/18992
9636         Back out this patch:
9637           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9638           PR optimization/12142
9639           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9640           uses of the register in the SET_SRC.  Remove unnecessary argument.
9641
9642         Replace it with this:
9643         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9644         if flag_non_call_exceptions is set and the insn may trap, pass
9645         pc_rtx as dest for recursion.
9646         In SET_SRC part of SET case, if dest is already set, pass it down
9647         unchanged.
9648
9649 2005-07-28  Jan Hubicka  <jh@suse.cz>
9650
9651         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9652         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9653         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9654         roundoff errors.
9655         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9656         profile when available.
9657
9658 2005-07-28  Jan Beulich <jbeulich@novell.com>
9659
9660         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9661         (ia64_print_operand): Describe and handle 'X'.
9662         (ia64_register_move_cost): Also handle FP_REGS.
9663         (ia64_preferred_reload_class): Likewise.
9664         (ia64_secondary_reload_class): Likewise.
9665         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9666         it. Also check for ITANIUM_CLASS_FLDP.
9667         * config/ia64/ia64.h (FP_REGNO_P): New.
9668         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9669         (reg_class): Add FP_REGS.
9670         (REG_CLASS_NAMES): Adjust for it.
9671         (REG_CLASS_CONTENTS): Likewise.
9672         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9673         (REG_CLASS_FROM_LETTER): Handle 'x'.
9674         (CLASS_MAX_NREGS): Handle FP_REGS.
9675         (MEMORY_MOVE_COST): Likewise.
9676         * config/ia64/ia64.md (itanium_class): Add fldp.
9677         (type): Handle fldp.
9678         (movti_internal): More allowable operand combinations. Use ldfp8 when
9679         splitting unnecessary. Remove predicable attribute. Adjust
9680         itanium_class attribute.
9681         (smuldi3_highpart): Remove outdated comment.
9682         (mulditi3, umulditi3, rotlti3): New expanders.
9683         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9684         (absti2): Disabled new insn for future reference.
9685         Respective new splitters.
9686         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9687         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9688         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9689
9690 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9691
9692         PR rtl-optimization/23047
9693         * simplify-rtx.c (simplify_const_relational_operation): Respect
9694         flag_wrapv for comparisons with ABS.
9695
9696 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9697
9698         PR tree-optimization/22493
9699         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9700         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9701
9702 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9703
9704         * config/frv/frv.opt (moptimize-membar): New.
9705
9706         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9707
9708         * config/frv/frv.h: Remove machine_function definition.
9709
9710         * config/frv/frv.c (struct frv_io): New.
9711         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9712         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9713         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9714         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9715         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9716         (frv_reorg): Call frv_optimize_membar when appropriate.
9717         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9718         (frv_expand_builtin): Adjust calls accordingly.
9719         (frv_io_address_cookie): New function.
9720         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9721         load or store rather than a special insn.  Add ccnstant address and
9722         io-type operands to the membar.
9723         (frv_ifcvt_modify_tests): Unsign regno.
9724         (frv_ifcvt_modify_tests): Same.
9725
9726         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9727         UNSPEC_OPTIONAL_MEMBAR constant.
9728         (builtin_read_<mode>): Delete.
9729         (builtin_write_<mode>): Delete.
9730         ("optional_membar_<mode>"): Add operand.
9731
9732         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9733         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9734         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9735         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9736         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9737         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9738         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9739         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9740         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9741
9742 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9743
9744         * df.c (df_uses_record): Handle SCRATCH.
9745
9746 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9747
9748         PR debug/20161
9749         * passes.c (rest_of_decl_compilation): If decl is a type and
9750         we have encountered errors, don't emit debug information.
9751
9752 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9753
9754         * params.def: Fixed comment.
9755
9756 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9757
9758         PR target/19885
9759         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9760         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9761         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9762
9763 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9764
9765         PR c++/22003
9766         * varasm.c (assemble_start_function): Don't do anything that may
9767         require a CFG if the current function is a thunk.
9768
9769 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9770
9771         * doc/install.texi (Prerequisites): Mention that perl is needed
9772         to do export control in libstdc++ targetting Darwin.
9773
9774 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9775
9776         PR rtl-optimization/17808
9777         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9778         (sched_insns_conditions_mutex_p): Split out from...
9779         (add_dependence): ...here.  But don't call it from here.
9780         (add_dependence_list): Check sched_insns_conditions_mutex_p
9781         before calling add_dependence.
9782         (add_dependence_list_and_free): Likewise.
9783         (fixup_sched_groups): Likewise.
9784         (sched_analyze_1): Likewise.
9785         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9786         (sched_analyze): Likewise.
9787         (sched_analyze_insn): Likewise.
9788         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9789         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9790         dependencies on all COND_EXEC insns to jumps ending basic blocks
9791         when doing intrablock scheduling.
9792         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9793
9794 2005-07-27  Jeff Law  <law@redhat.com>
9795
9796         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9797         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9798         equivalency sets, correctly handle the case were vr0 has an
9799         equivalency set, but vr1 does not.
9800
9801 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9802
9803         PR tree-optimization/23073
9804         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9805         vect_print_dump_info before fprintf.
9806
9807 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9808
9809         PR tree-optimize/22348
9810         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9811         Fold the partial computation.
9812
9813 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9814
9815         PR tree-optimization/22325
9816         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9817         Declare.
9818         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9819         value replacement.
9820         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9821         (force_var_cost): ... this function.
9822         (compute_phi_arg_on_exit): Export.
9823
9824 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9825
9826         PR tree-optimization/20773
9827         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9828         edge.
9829
9830 2005-07-27  Richard Guenther  <rguenther@suse.de>
9831
9832         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9833         Avoid pushing again if current struct contains only
9834         fields we decomposed.
9835
9836 2005-07-27  Jan Hubicka  <jh@suse.cz>
9837
9838         PR tree-optimization/22574
9839         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9840         not available.
9841
9842         * tree-tailcall.c (decrease_profile): New function.
9843         (eliminate_tail_call): Use it.
9844
9845         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9846         visibility flags correctly in whole program mode.
9847
9848 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9849
9850         PR rtl-optimization/22472
9851         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9852
9853 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9854
9855         PR tree-optimization/22504
9856         * tree-complex.c (expand_complex_addition): Use 'code' instead
9857         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9858
9859 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9860
9861         * config.gcc (cpu_type): Add frv case.
9862         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9863         (supported_defaults): Add fr550 case.
9864
9865 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9866
9867         PR 22591
9868         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9869         whether a pointer of type T * may point to objects of type T *.
9870
9871 2005-07-26  DJ Delorie  <dj@redhat.com>
9872
9873         * configure: Regenerate.
9874
9875 2005-07-26  Dale Johannesen  <dalej@apple.com>
9876
9877         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9878
9879 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9880
9881         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9882         Clarify use of "build" in name.
9883
9884 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9885
9886         * doc/extend.texi (Raw read/write Functions): New section.
9887         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9888         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9889         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9890         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9891         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9892         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9893         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9894         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9895         * config/frv/frv.c: Add bdesc_loads global.
9896         Add bdesc_stores global.
9897         (frv_init_builtins): Add support for __builtin_{read/write}*.
9898         (frv_volatile_memref): New.
9899         (frv_expand_load_builtin): New.
9900         (frv_expand_store_builtin): New.
9901         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9902         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9903         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9904         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9905         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9906         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9907         (builtin_read_<mode>): New.
9908         (builtin_write_<mode>): New.
9909         (builtin_write64): New.
9910         (optional_membar_<mode>): New.
9911
9912 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9913
9914         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9915         (rather than units) against HOST_BITS_PER_WIDE_INT.
9916
9917 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9918
9919         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9920         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9921         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9922         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9923         FSF address.
9924
9925         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9926         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9927         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9928         comment typos.
9929         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9930
9931 2005-07-26  Richard Guenther  <rguenther@suse.de>
9932
9933         PR tree-optimization/22486
9934         * fold-const.c (fold_unary): Fold away useless component
9935         references of the form (T *)&T.x, if the address
9936         doesn't change.
9937
9938 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9939
9940         * dwarf2out.c (add_call_src_coords_attributes): New.
9941         (gen_inlined_subroutine_die): Call it.
9942         (maybe_emit_file, init_file_table): Add comments.
9943         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9944         maybe_emit_file.
9945         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9946         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9947         * tree.h (BLOCK_SOURCE_LOCATION): New.
9948         (struct tree_block): New field locus.
9949
9950 2005-07-26  Andreas Schwab  <schwab@suse.de>
9951
9952         PR rtl-optimization/23043
9953         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9954         when allocating a struct unoccr.
9955
9956 2005-07-25  Richard Henderson  <rth@redhat.com>
9957
9958         PR 22626
9959         * tree-complex.c (gate_no_optimization): True if errors.
9960         * Makefile.in (tree-complex.o): Update dependencies.
9961
9962 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9963
9964         * config/frv/predicates.md (integer_register_operand): Use
9965         GPR_AP_OR_PSEUDO_P.
9966
9967 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9968
9969         PR tree-opt/22484
9970         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9971         after fold.
9972         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9973
9974 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9975
9976         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9977         types when flag_unsafe_math_optimizations is true.
9978
9979 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9980
9981         * gcc.c (option_map): Add --sysroot.
9982         (process_command): Handle --sysroot.
9983         (display_help): Document it.
9984         * doc/cppopts.tex (-isysroot): Document.
9985         * doc/invoke.texi (--sysroot): Document.
9986         * doc/install.texi (--with-build-sysroot): Document.
9987
9988         * Makefile.in (inhibit_libc): New variable.
9989         (INHIBIT_LIBC_CFLAGS): Likewise.
9990         (LIBGCC2_CFLAGS): Include
9991         $(INHIBIT_LIBC_CFLAGS).
9992         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9993         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9994         ($(T)crtend.o): Likewise.
9995         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9996         ($(T)crtendS.o): Likewise.
9997         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9998         ($(T)crtendT.o): Likewise.
9999         (stmp-fixinc): Do not complain about missing headers if
10000         inhibit_libc.
10001         * configure.ac (inhibit_libc): Set it to true/false.
10002         (--with-build-sysroot): New option.  Use it to set
10003         SYSTEM_HEADER_DIR.
10004         * configure: Regenerated.
10005
10006 2005-07-25  Manfred Hollstein  <mh@suse.com>
10007
10008         * calls.c (store_one_arg): Fix unsigned comparison warning.
10009
10010 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
10011
10012         PR other/22337
10013         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10014         (ggc_print_statistics): Initialize variable before use.
10015
10016 2005-07-25  Richard Guenther  <rguenther@suse.de>
10017
10018         * tree-dfa.c (mark_new_vars_to_rename): Protect against
10019         calling with a PHI_NODE argument.
10020
10021         * tree-flow-inline.h (overlap_subvar): Protect against
10022         possible overflow.
10023
10024 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
10025
10026         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10027         * configure: Regenerate.
10028
10029 2005-07-25  Ira Rosen  <irar@il.ibm.com>
10030
10031         * expr.c (highest_pow2_factor): Make extern.
10032         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10033         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10034         record_array_differ_p, array_ptr_differ_p): Likewise.
10035         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10036         additional cases. Call the above functions.
10037         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10038         base_object_differ_p when there are two base objects. Otherwise, compare
10039         base address and offset. Call may_alias_p.
10040         (dump_data_reference): Use a correct field name.
10041         (analyze_array): Make static. Initialize new data-ref fields.
10042         (analyze_indirect_ref): New function.
10043         (init_data_ref): Initialize new data-ref fields.
10044         (strip_conversion): Moved from tree-vect-analyze.c.
10045         (analyze_offset_expr, get_ptr_offset, address_analysis,
10046         object_analysis): Likewise.
10047         (analyze_offset): New function.
10048         (create_data_ref): Likewise.
10049         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10050         dimensions for ARRAY_REFs only.
10051         (build_classic_dist_vector): Make static.
10052         (access_functions_are_affine_or_constant_p): Call macro to get the
10053         address of access functions.
10054         (compute_all_dependences): Add new parameter
10055         compute_self_and_read_read_dependences. Compute self and read-read
10056         dependences if it is true.
10057         (find_data_references_in_loop): Call create_data_ref. Initialize new
10058         data-ref fields.
10059         (compute_data_dependences_for_loop): Add new parameter
10060         compute_self_and_read_read_dependences. Remove parameter nb_loops,
10061         compute nb_loops. Call compute_all_dependences,
10062         build_classic_dist_vector and build_classic_dir_vector with correct
10063         parameters.
10064         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10065         with correct parameters. Compare dimensions for ARRAY_REFs only.
10066         (free_data_refs): Call macro to free access functions.
10067         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10068         fields from stmt_vinfo.
10069         (struct base_object_info): New structure.
10070         (struct data_reference): Move fields to base_object_info. Add fields
10071         first_location and object_info for above structures. Move fields from
10072         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10073         aligned_to.  Add macros to access the new fields.
10074         Update functions declarations.
10075         * tree-flow.h (is_aliased_with): Declare.
10076         * tree-loop-linear.c (linear_transform_loops): Call
10077         compute_data_dependences_for_loop with correct parameters.
10078         * tree-ssa-alias.c (is_aliased_with): New function.
10079         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10080         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10081         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10082         vect_base_addr_differ_p, compute_subscript_distance and
10083         build_classic_dist_vector. Add printings. Check absolute value of
10084         distance.
10085         (vect_analyze_data_ref_dependences): Go through ddrs instead of
10086         data-refs.
10087         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10088         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10089         to bytes. Add printing.
10090         (vect_compute_data_refs_alignment): Go through loads and stores in one
10091         loop.
10092         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10093         vect_analyze_data_ref_access): Likewise.
10094         (vect_analyze_pointer_ref_access): Remove.
10095         (vect_address_analysis, vect_object_analysis): Likewise.
10096         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10097         and analyze data-refs in the loop.
10098         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10099         fields of data-ref instead of stmt. Add init to the offset from the
10100         base.
10101         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10102         (vect_update_init_of_dr): Likewise.
10103         (vect_update_inits_of_drs): Go through loads and stores in one loop.
10104         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10105         removed fields.
10106         (new_loop_vec_info): Initialize new fields.
10107         (destroy_loop_vec_info): Free new fields.
10108         (vect_strip_conversion): Remove.
10109         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10110         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10111         datarefs. Add new field ddrs.
10112         Add macros for the new fields access.
10113         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10114         base_aligned_p, misalignment, memtag, ptr_info and subvars.
10115         Remove their macros.
10116         * tree.h (highest_pow2_factor): Declare.
10117
10118 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
10119
10120         * calls.c (store_one_arg): Check for sibling call MEM arguments
10121         from already clobbered incoming argument area.
10122
10123 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10124
10125         * c-common.c (check_missing_format_attribute): New.
10126         * c-common.h (check_missing_format_attribute): Likewise.
10127         * c-typeck.c (convert_for_assignment): Use it.
10128
10129 2005-07-24  Andreas Schwab  <schwab@suse.de>
10130
10131         * config/m68k/m68k.md ("extendqidi2"): When source is an address
10132         register use a word move.  Correct operand of ext.w in 68000 code.
10133
10134 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
10135
10136         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10137         variables as declarations, rather than definitions.
10138
10139 2005-07-24  Ira Rosen  <irar@il.ibm.com>
10140
10141         PR tree-optimization/22526
10142         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10143         of the zero node.
10144
10145 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10146
10147         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10148         that C99 reserve for future use. Use it to define clog10,
10149         clog10f and clog10l.
10150
10151 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10152
10153         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10154         * configure.ac: Check for -Wmissing-format-attribute.
10155
10156         * configure: Regenerate.
10157
10158 2005-07-23  Richard Henderson  <rth@redhat.com>
10159
10160         PR tree-optimization/22623
10161         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10162
10163 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
10164
10165         PR target/22577
10166         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10167
10168 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10169
10170         * Makefile.in (C_TREE_H): Update dependencies.
10171         * c-tree.h: Include toplev.h.
10172         * diagnostic.h (diagnostic_set_info): Add format attribute.
10173         * rtl-error.c (diagnostic_for_asm): Likewise.
10174
10175 2005-07-23  Chao-ying Fu  <fu@mips.com>
10176
10177         * config/mips/mips-dsp.md: New file.
10178         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10179         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10180         functions.
10181         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10182         MIPS_BUILTIN_BPOSGE32.
10183         (mips_expand_builtin_direct): Add one parameter to indicate that
10184         builtin functions need to return a value.
10185         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10186         functions.
10187         (mips_regno_to_class): Add classes for 12 new DSP registers.
10188         (mips_subword): Change to check four HI registers.
10189         (mips_output_move): Output move to and from 6 new DSP accumulators.
10190         (override_options): Make sure -mdsp and -mips16 are not used together.
10191         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
10192         for machine modes.
10193         (mips_conditional_register_usage): Disable 6 new DSP accumulators
10194         when !TARGET_DSP.
10195         (print_operand): Add 'q' for printing DSP accumulators.
10196         (mips_cannot_change_mode_class): Check ACC_REGS.
10197         (mips_secondary_reload_class): Check ACC_REGS.
10198         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10199         (mips_register_move_cost): Check ACC_REGS.
10200         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10201         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10202         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10203         (dsp_bdesc): New array.
10204         (bdesc_arrays): Add DSP builtin function table.
10205         (mips_prepare_builtin_arg): Check predicate again after
10206         copy_to_mode_reg.
10207         (mips_expand_builtin): Add one more parameter to
10208         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10209         MIPS_BUILTIN_BPOSGE32.
10210         (mips_init_builtins): Initialize new function types.
10211         (mips_expand_builtin_direct): Check if builtin functions need to
10212         return a value and pass operands properly.
10213         (mips_expand_builtin_bposge): New function.
10214         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10215         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10216         (FIRST_PSEUDO_REGISTER): Increase to 188.
10217         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10218         Update for 12 new DSP registers.
10219         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10220         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10221         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10222         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10223         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10224         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10225         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10226         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10227         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10228         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10229         (REGISTER_NAMES): Add names for 12 new DSP registers.
10230         * config/mips/mips.md: Include mips-dsp.md.
10231         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10232         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10233         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10234         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10235         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10236         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10237         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10238         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10239         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10240         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10241         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10242         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10243         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10244         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10245         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10246         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10247         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10248         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10249         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10250         (UNSPEC_RDDSP): New constants.
10251         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10252         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
10253         A<-d alternative.
10254         * config/mips/mips.opt (-mdsp): New option.
10255         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10256         (reg_imm10_operand): New predicates.
10257         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10258         * doc/invoke.texi (-mdsp): Document new option.
10259
10260 2005-07-22  DJ Delorie  <dj@redhat.com>
10261
10262         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10263         to warning calls.
10264         * tree-inline.c (inlinable_function_p): Likewise.
10265
10266 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
10267
10268         PR debug/21828
10269         * toplev.c (check_global_declarations): Do not mark undefined
10270         variables as DECL_IGNORED_P.
10271         * varasm.c (first_global_object_name): GTY it.
10272         (weak_global_object_name): Likewise.
10273         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10274         a string to go into {weak,first}_global_object_name.
10275
10276 2005-07-22  DJ Delorie  <dj@redhat.com>
10277
10278         * c-format.c (check_function_format): Change warning control
10279         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10280
10281 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
10282
10283         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10284         &PTR->FLD a dereference of PTR.
10285         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10286         a potential dereference of PTR.
10287
10288 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
10289
10290         PR rtl-optimization/20370
10291         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10292         call allocate_reg_info if necessary.
10293
10294         PR rtl-optimization/21848
10295         * calls.c (emit_library_call_value_1): For const functions, add
10296         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10297
10298         PR rtl-optimization/22445
10299         * cselib.c (target.h): Include.
10300         (rtx_equal_for_cselib_p): Allow commutative matches.
10301         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10302         Remove MODE parameter.  Changed all callers.
10303
10304         PR rtl-optimization/22258
10305         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10306         New functions.
10307         (try_combine): Use likely_spilled_retval_p.
10308
10309 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
10310
10311         * config.gcc: Add crx-elf support.
10312
10313         * doc/contrib.texi: Mention crx.
10314         * doc/extend.texi: Document crx extensions.
10315         * doc/install.texi: Document crx install.
10316         * doc/invoke.texi: Document crx options.
10317         * doc/md.texi: Document crx constraints.
10318
10319         * config/crx/crx-protos.h: New file.
10320         * config/crx/crx.c: New file.
10321         * config/crx/crx.h: New file.
10322         * config/crx/crx.md: New file.
10323         * config/crx/crx.opt: New file.
10324         * config/crx/t-crx: New file.
10325
10326 2005-07-22  Manfred Hollstein  <mh@suse.com>
10327
10328         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10329         warnings.
10330         (int_add_graph_edge): Likewise.
10331         (collapse_nodes): Likewise.
10332         (process_unification_queue): Likewise.
10333
10334 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10335             Laurent GUERBY  <laurent@guerby.net>
10336
10337         PR tree-optimization/22336
10338         * function.c (record_block_change): Check for
10339         cfun->ib_boundaries_block.
10340
10341 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10342
10343         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10344         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10345
10346 2005-07-21  DJ Delorie  <dj@redhat.com>
10347
10348         * toplev.c (warn_deprecated_use): Add warning control to warning
10349         call.
10350         * c-typeck.c (parser_build_binary_op): Likewise.
10351         (c_finish_if_stmt): Likewise.
10352         * c-common.c (check_function_sentinel): Likewise.
10353         (check_nonnull_arg): Likewise.
10354
10355 2005-07-21  Richard Henderson  <rth@redhat.com>
10356
10357         PR tree-opt/22504
10358         * tree-complex.c (complex_ssa_name_components): New.
10359         (cvc_lookup): Allow entry not found.
10360         (create_components): Remove.
10361         (create_one_component_var, get_component_var): New.
10362         (get_component_ssa_name, set_component_ssa_name): New.
10363         (extract_component): Use get_component_ssa_name.
10364         (update_complex_components): Use set_component_ssa_name.
10365         (update_complex_components_on_edge): Likewise.
10366         (update_phi_components): Create new PHI nodes directly, instead
10367         of adding insns to edges.
10368         (tree_lower_complex): Allocate and free complex_variable_components
10369         and complex_ssa_name_components here.
10370
10371 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10372
10373         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10374         revert to returning false.
10375
10376 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10377
10378         PR target/21149
10379         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10380
10381 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10382
10383         PR target/22576
10384         * config/i386/i386.md (cmpxf): Change operand constraints
10385         to "nonmemory_operand".
10386
10387 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10388
10389         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10390
10391 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10392
10393         PR middle-end/21180
10394         * fold-const.c (fold_build1): Add checksum for the operands.
10395         (fold_build2): Likewise.
10396         (fold_build3): Likewise.
10397
10398 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10399
10400         PR middle-end/19055
10401         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10402
10403 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10404
10405         * common.opt (-fforward-propagate): Committed by mistake,
10406         removed.
10407
10408 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10409
10410         * reg-stack.c: Fix comment typo(s).
10411         * tree-ssa-operands.c: Likewise.
10412         * tree-vectorizer: Likewise.
10413
10414 2005-07-21  Nick Clifton  <nickc@redhat.com>
10415
10416         * config/sh/symbian.c: Replace C++ style line comments with C
10417         style line comments.
10418         (symbian_add_attribute): Do not use a ? operator on the LHS of
10419         an assignment.
10420         (sh_symbian_handle_dll_attribute): Change the type of the
10421         method vector to "VEC(tree,gc)*" and use vector accessor
10422         macros to walk over the elements.
10423         (symbian_export_vtable_and_rtti_p): Likewise.
10424         (symbian_class_needs_attribute_p): Likewise.
10425
10426 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10427
10428         PR target/22085
10429         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10430         initialize targetm.resolve_overloaded_builtin here.
10431         (altivec_expand_overloaded_builtin): Make it non-static.
10432         * config/rs6000/rs6000-protos.h
10433         (altivec_expand_overloaded_builtin): New prototype.
10434         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10435         targetm.resolve_overloaded_builtin here.
10436         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10437
10438 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10439             Zdenek Dvorak  <dvorakz@suse.cz>
10440
10441         PR tree-optimization/19210
10442         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10443         New.
10444         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10445         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10446         rely on unproven assumptions.
10447         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10448         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10449         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10450         to number_of_iterations_exit.
10451         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10452         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10453         * tree-ssa-loop-niter.c (find_loop_niter,
10454         estimate_numbers_of_iterations_loop): Likewise.
10455         (number_of_iterations_exit): Honor the new options.
10456         * doc/invoke.texi (Wunsafe-loop-optimizations,
10457         funsafe-loop-optimizations): Document them.
10458
10459 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10460
10461         PR rtl-optimization/22167
10462         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10463
10464 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10465
10466         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10467         __do_global_dtors_aux longcall.
10468
10469 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10470
10471         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10472         (old_special_pred_table): Don't reference
10473         SPECIAL_MODE_PREDICATES.
10474         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10475         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10476         * config/sh/predicates.h: Don't mention
10477         SPECIAL_MODE_PREDICATES.
10478         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10479         Remove.
10480
10481 2005-07-20  DJ Delorie  <dj@redhat.com>
10482
10483         * config.gcc: Add m32c-elf support.
10484
10485         * doc/contrib.texi: Mention m32c.
10486         * doc/extend.texi: Document m32c extensions.
10487         * doc/install.texi: Mention m32c.
10488         * doc/invoke.texi: Document m32c options.
10489         * doc/md.texi: Document m32c constraints.
10490
10491         * config/m32c/addsub.md: New file.
10492         * config/m32c/bitops.md: New file.
10493         * config/m32c/cond.md: New file.
10494         * config/m32c/jump.md: New file.
10495         * config/m32c/m32c-lib1.S: New file.
10496         * config/m32c/m32c-lib2.c: New file.
10497         * config/m32c/m32c-modes.def: New file.
10498         * config/m32c/m32c-pragma.c: New file.
10499         * config/m32c/m32c-protos.h: New file.
10500         * config/m32c/m32c.abi: New file.
10501         * config/m32c/m32c.c: New file.
10502         * config/m32c/m32c.h: New file.
10503         * config/m32c/m32c.md: New file.
10504         * config/m32c/m32c.opt: New file.
10505         * config/m32c/minmax.md: New file.
10506         * config/m32c/mov.md: New file.
10507         * config/m32c/muldiv.md: New file.
10508         * config/m32c/predicates.md: New file.
10509         * config/m32c/prologue.md: New file.
10510         * config/m32c/shift.md: New file.
10511         * config/m32c/t-m32c: New file.
10512
10513 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10514
10515         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10516         (stack_protect_set, stack_protect_test): New expanders.
10517         (stack_protect_set_si, stack_protect_set_si_media,
10518         stack_protect_set_di_media, stack_protect_test_si,
10519         stack_protect_test_si_media, stack_protect_test_di_media):
10520         New insns.
10521
10522 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10523
10524         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10525
10526 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10527
10528         * tree.h (tree_expr_nonzero_p): Export.
10529         * fold-const.c (tree_expr_nonzero_p): Likewise.
10530         Return true for CALL_EXPRs that are alloca calls.
10531         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10532         against zero.
10533         * tree-flow.h (expr_computes_nonzero): Remove.
10534         * tree-vrp.c (expr_computes_nonzero): Remove.
10535         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10536         (extract_range_from_unary_expr): Likewise.
10537         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10538         tree_expr_nonzero_p.
10539
10540 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10541
10542         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10543         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10544         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10545         All callers changed.
10546         (frame_related_constant_load): New arg "related" which controls
10547         setting of RTX_FRAME_RELATED_P.  All callers changed.
10548         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10549         (bfin_expand_prologue): Add stack limit checking.
10550         * config/bfin/bfin.md (trapifcc): New pattern.
10551
10552         * config/bfin/bfin.c: Include "langhooks.h".
10553         (def_builtin): Go through lang_hooks to call builtin_function.
10554
10555         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10556         * config/bfin/predicates.md (symbol_ref_operand): New.
10557         (call_insn_operand): Delete.  All callers changed to use
10558         register_no_elim_operand.
10559         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10560         call_cookie field.
10561         (function_arg): Use it to generate the call's operand 2.
10562         (bfin_longcall_p): New function.
10563         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10564         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10565         determine if the address needs to be in a REG.
10566         (bfin_handle_longcall_attribute): New function.
10567         (bfin_attribute_table): Add "longcall" and "shortcall".
10568         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10569         (CUMULATIVE_ARGS): New member call_cookie.
10570         (PREDICATE_CODES): Add symbol_ref_operand.
10571         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10572         extra USE to the pattern.
10573         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10574         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10575         sibcall_value_insn; now the new patterns handle direct calls and the
10576         old ones indirect calls.
10577         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10578
10579 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10580
10581         * doc/trouble.texi: Update section on handling of empty loops.
10582
10583 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10584
10585         * config.gcc: Remove support for sparc-*-openbsd*,
10586         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10587         ns32k-*-netbsd*.
10588         * config.host: Remove support for i860-*-sysv4* as a host.
10589         * config/i860/*, config/ip2k/*, config/ns32k/*,
10590         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10591         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10592         mention obsolete ports.
10593
10594 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10595
10596         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10597         soft frame pointer.
10598         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10599         of frame_pointer_rtx.
10600         (sh_expand_epilogue): Likewise.
10601         (sh_set_return_address): Likewise.
10602         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10603         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10604         offsets from FRAME_POINTER_REGNUM.
10605         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10606         (sh_register_names): Add initializer for sfp.
10607         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10608         (VALID_REGISTER_P): Likewise.
10609         (FIRST_PSEUDO_REGISTER): Update.
10610         (DWARF_FRAME_REGISTERS): Define.
10611         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10612         (HARD_FRAME_POINTER_REGNUM): Define.
10613         (FRAME_POINTER_REGNUM): Redefine.
10614         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10615         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10616         from FRAME_POINTER_REGNUM.
10617         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10618         FRAME_POINTER_REGNUM.
10619         (REG_CLASS_CONTENTS): Add sfp.
10620         (REG_ALLOC_ORDER): Likewise.
10621         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10622         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10623         of frame_pointer_rtx.
10624         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10625
10626 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10627
10628         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10629         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10630         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10631         of an ABS_EXPR.
10632         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10633         ABS_EXPR<x>.
10634
10635 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10636
10637         Make CONSTRUCTOR use VEC to store initializers.
10638         * c-common.c (complete_array_type): Update to cope with VEC in
10639         CONSTRUCTOR_ELTS.
10640         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10641         (pp_c_constructor_elts): New function.
10642         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10643         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10644         struct constructor_stack, struct initializer_stack,
10645         constructor_elements, push_init_level, pop_init_level,
10646         add_pending_init, find_init_member, output_init_element): Update to
10647         cope with VEC in CONSTRUCTOR_ELTS.
10648         * coverage.c (build_fn_info_value, build_ctr_info_value,
10649         build_gcov_info): Likewise.
10650         * expr.c (categorize_ctor_elements_1, store_constructor,
10651         expand_expr_real_1): Likewise.
10652         * fold-const.c (fold_ternary): Likewise.
10653         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10654         gimplify_init_constructor, gimplify_expr): Likewise.
10655         * tree-dump.c (dequeue_and_dump): Likewise.
10656         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10657         node.
10658         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10659         CONSTRUCTOR_ELTS.
10660         * tree-sra.c (generate_element_init_1): Likewise.
10661         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10662         * tree-ssa-operands.c (get_expr_operands): Likewise.
10663         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10664         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10665         (get_initial_def_for_reduction): Likewise.
10666         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10667         value handle in annotations.
10668         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10669         tree_node_structure): Add support for constr_kind.
10670         (build_vector_from_ctor, build_constructor_single,
10671         build_constructor_from_list): New functions.
10672         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10673         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10674         Update to cope with VEC in CONSTRUCTOR_ELTS.
10675         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10676         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10677         CONSTRUCTOR_APPEND_ELT): New macros.
10678         (struct constructor_elt, struct tree_constructor): New data types.
10679         (union tree_node): Add tree_constructor field.
10680         * treestruct.def: Define TS_CONSTRUCTOR.
10681         * varasm.c (const_hash_1, compare_constant, copy_constant,
10682         compute_reloc_for_constant, output_addressed_constants,
10683         initializer_constant_valid_p, output_constant,
10684         array_size_for_constructor, output_constructor): Update to cope with
10685         VEC in CONSTRUCTOR_ELTS.
10686         * vec.h (VEC_empty, VEC_copy): New macros.
10687
10688 2005-07-19  Devang Patel  <dpatel@apple.com>
10689
10690         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10691
10692 2005-07-19  Richard Henderson  <rth@redhat.com>
10693
10694         PR tree-opt/22278
10695         * gimplify.c (gimplify_expr): Use main variant type for the temp
10696         destination for a discarded volatile read.
10697         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10698         casts between non-void types that change volatility.
10699
10700 2005-07-15  DJ Delorie  <dj@redhat.com>
10701
10702         * toplev.h: Add comment about the first parameter for warning().
10703         * errors.h: Likewise.
10704
10705         * c.opt (Wpragmas): New.
10706         * doc/invoke.texi: Document it.
10707
10708         * function.c (do_warn_unused_parameter): Add warning control to
10709         warning call.
10710         * c-decl.c (warn_if_shadowing): Likewise.
10711         * c-lex.c (cb_def_pragma): Likewise.
10712         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10713         (pop_alignment): Likewise.
10714         (handle_pragma_pack): Likewise.
10715         (apply_pragma_weak): Likewise.
10716         (handle_pragma_weak): Likewise.
10717         (handle_pragma_redefine_extname): Likewise.
10718         (add_to_renaming_pragma_list): Likewise.
10719         (handle_pragma_extern_prefix): Likewise.
10720         (maybe_apply_renaming_pragma): Likewise.
10721         (handle_pragma_visibility): Likewise.
10722
10723         * config/c4x/c4x-c.c (BAD): Likewise.
10724         (c4x_parse_pragma): Likewise.
10725         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10726         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10727         (rs6000_pragma_longcall): Likewise.
10728         * config/v850/v850-c.c (pop_data_area): Likewise.
10729         (ghs_pragma_section): Likewise.
10730         (ghs_pragma_section): Likewise.
10731         (ghs_pragma_interrupt): Likewise.
10732         (ghs_pragma_starttda): Likewise.
10733         (ghs_pragma_startsda): Likewise.
10734         (ghs_pragma_startzda): Likewise.
10735         (ghs_pragma_endtda): Likewise.
10736         (ghs_pragma_endsda): Likewise.
10737         (ghs_pragma_endzda): Likewise.
10738
10739 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10740             Kenneth Zadeck <zadeck@naturalbridge.com>
10741
10742         * Makefile.in: Removed tree-promote-statics.c
10743         * tree-promote-statics.c: Removed.
10744         * common.opt: Removed flag-promote-statics.
10745         * opts.c: Ditto.
10746         * passes.c: Removed tree-promote-statics pass.
10747         * tree-pass.h: Ditto.
10748         * timevar.def: Removed TV_PROMOTE_STATICS.
10749
10750
10751 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10752
10753         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10754         and *-*-freebsd9.
10755         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10756
10757 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10758
10759         PR c/22476
10760         * c-common.c (check_function_arguments): Call
10761         'check_function_format' if either -Wformat or
10762         -Wmissing-format-attribute are specified.
10763         * c-format.c (check_function_format): Check -Wformat before
10764         calling 'check_format_info'.
10765         * c-opts.c (c_common_post_options): Don't warn for
10766         -Wmissing-format-attribute without -Wformat.
10767         * c-typeck.c (convert_for_assignment): Detect additional cases for
10768         -Wmissing-format-attribute.
10769         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10770         behavior.
10771
10772 2005-07-19  Richard Guenther  <rguenther@suse.de>
10773
10774         * config/i386/i386.md (lrint<mode>2): Use temporary
10775         instead of clobbering non-existent memory.
10776
10777 2005-07-19  Nick Clifton  <nickc@redhat.com>
10778
10779         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10780         statement to avoid displaying ASCII control characters.
10781
10782 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10783
10784         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10785         * cfganal.c (find_edge_index): Ditto.
10786         * combine.c (combine_instructions): Ditto.
10787         * ddg.c (create_scc): Ditto.
10788         (find_successors): Ditto.
10789         (find_predecessors): Ditto.
10790         (find_nodes_on_paths): Ditto.
10791         (longest_simple_path): Ditto.
10792         * flow.c (update_life_info): Ditto.
10793         (count_or_remove_death_notes): Ditto.
10794         (clear_log_links): Ditto.
10795         * modulo-sched.c (generate_reg_moves): Ditto.
10796         (find_max_asap): Ditto.
10797         (find_max_hv_min_mob): Ditto.
10798         (find_max_dv_min_mob): Ditto.
10799         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10800         * sched-rgn.c (extract_edgelst): Ditto.
10801         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10802         (dump_update_ssa): Ditto.
10803         (ssa_names_to_replace) Ditto.
10804         (switch_virtuals_to_full_rewrite): Ditto.
10805         (update_ssa): Ditto.
10806         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10807
10808 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10809
10810         Fix PR tree-optimization/22483
10811
10812         * tree-complex.c (create_components): Use
10813         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10814         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10815         * tree-flow.h (safe_referenced_var_iterator): New structure.
10816         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10817         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10818         safe_referenced_var iterator.
10819         (add_type_alias): Ditto.
10820
10821 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10822
10823         * loop-init.c (rest_of_handle_loop2): Remove.
10824         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10825         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10826         (pass_rtl_loop_init, pass_rtl_loop_done,
10827         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10828         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10829         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10830         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10831         pass_tree_loop_done, and pass_tree_unswitch.
10832         (gate_loop): Rename to gate_tree_loop.
10833         * passes.c (init_optimization_passes): Update for renamed tree
10834         loop passes.  Add the new loop2 passes as subpasses of loop2.
10835         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10836         Update for the renamed tree loop passes.
10837
10838 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10839
10840         PR middle-end/22057
10841         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10842         blocks when optimizing.
10843
10844 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10845
10846         * common.opt (frename-registers): Initialize to 2.
10847         (fweb): Ditto.
10848         (fgcse-after-reload): Ditto.
10849         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10850         (process_options): Only change flag_web, flag_rename_registers,
10851         and flag_rerun_cse_after_loop if not explicitly set by user.
10852
10853 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10854
10855         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10856         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10857         in 64-bit mode the same as DImode in 32-bit mode.
10858         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10859         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10860         mode. Add new mode parameter.
10861         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10862         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10863         x86_64_shift_adj): New expanders.
10864         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10865         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10866         insns.
10867         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10868         DImode shift splitters.
10869         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10870         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10871         mode parameter.
10872
10873 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10874
10875         * i386.md (movdi_extzv_1): New.
10876         (zero_extendhidi2): Combine alternatives and never force use of
10877         REX64 prefix.
10878         (zero_extendqidi2): Likewise. Don't restrict input selection.
10879
10880 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10881
10882         Fix PR tree-optimization/22531
10883         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10884          moment.
10885
10886 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10887
10888         * tree-promote-statics.c (pass_promote_statics): Change dump file
10889          name.
10890
10891 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10892
10893         * tree-optimize.c (init_tree_optimization_passes): Add
10894         pass_eliminate_useless_stores pass.
10895         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10896         * tree-ssa-pre.c (is_copy_stmt): New function.
10897         (follow_copies_till_vuse): Ditto.
10898         (do_eustores): Ditto.
10899         (gate_eustores): Ditto.
10900
10901 2005-07-16  Richard Henderson  <rth@redhat.com>
10902
10903         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10904
10905 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10906            Kenneth Zadeck <zadeck@naturalbridge.com>
10907
10908         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10909         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10910         ipa-type-escape.h, tree-promote-statics.c
10911         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10912         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10913         tree-promote-statics.c: new files.
10914         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10915         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10916         int nonlocal_set_p, mark_constant_function): Deleted.
10917         (rest_of_handle_cfg): Removed call to mark_constant_function.
10918         (nonoverlapping_component_refs_p): Added calls to support
10919         type based aliasing.
10920         * tree-ssa-alias.c (may_alias_p,
10921         compute_flow_insensitive_aliasing): Ditto.
10922         * calls.c (flags_from_decl_or_type): Removed reference to
10923         cgraph_rtl_info.
10924         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10925         too many arguments.  This is necessary for Spec 2000.
10926         * cgraph.h (const_function, pure_function): Removed.
10927         * common.opt: Added "fipa-pure-const", "fipa-reference",
10928         "fipa-type-escape", and "ftree-promote-static".
10929         * opts.c: Ditto.
10930         * passes.c: Added ipa and tree-promote-statics passes.
10931         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10932         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10933         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10934         * tree-flow.h: Added exposed sra calls and addition of
10935         reference_vars_info field for FUNCTION_DECLS.
10936         * tree-pass.h: Added passes.
10937         * tree-sra.c: (sra_init_cache): New function.
10938         (sra_insert_before, sra_insert_after) Made public.
10939         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10940         and made public.
10941         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10942         aliasing. (may_alias_p): Added code to use type escape analysis to
10943         improve alias sets.
10944         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10945         code to prune clobbers of static variables based on information
10946         produced in ipa-reference pass.  Changed call clobbering so that
10947         statics are not marked as clobbered if the call does not clobber
10948         them.
10949
10950 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10951
10952         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10953         too.
10954
10955 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10956
10957         * doc/install.texi (*-*-solaris2*): Document recommended version
10958         of GNU binutils and mention GNU linker problem on Solaris 10.
10959
10960 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10961
10962         PR c/22421
10963         * c-decl.c (c_build_bitfield_integer_type): New function.
10964         (finish_struct): Call it.
10965         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10966
10967 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10968
10969         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10970         before returning.
10971
10972 2005-07-16  Jan Hubicka  <jh@suse.cz>
10973
10974         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10975         (scale_bbs_frequencies_int): Watch roundoff errors.
10976         * predict.c (return_prediction): Initialize return_stmt.
10977
10978 2005-07-16  Jan Hubicka  <jh@suse.cz>
10979
10980         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10981         after RTL profiling.
10982
10983 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10984
10985         PR middle-end/22398
10986         * fold-const.c (build_range_check): Convert high/low to etype
10987         if we are only comparing against exp.
10988
10989 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10990
10991         Fix PR tree-optimization/22376
10992         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10993         special var here.
10994         (need_to_solve): New function.
10995         (compute_points_to_sets): Use it.
10996
10997 2005-07-15  Jan Hubicka  <jh@suse.cz>
10998
10999         * cfg.c (update_bb_profile_for_threading): More diagnostic.
11000         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11001
11002 2005-07-15  Richard Guenther  <rguenther@suse.de>
11003
11004         * c-common.c (handle_flatten_attribute): New function.
11005         Add flatten function attribute.
11006         * doc/extend.texi: Document flatten function attribute.
11007         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11008         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11009         New functions.
11010         (cgraph_decide_inlining): Handle functions with flatten
11011         attribute.
11012
11013 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
11014
11015         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11016         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11017         UNSPEC_XCHG, UNSPEC_AND): New.
11018         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11019         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11020         * config/rs6000/sync.md (FETCHOP): New code macro.
11021         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11022         New code attrs.
11023         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11024         (sync_compare_and_swap<mode>): Same.
11025         (sync_lock_test_and_set<mode>): Same.
11026         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11027         for QImode and HImode, and not PPC405.
11028         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11029         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11030         (sync_<fetchop>{si,di}_internal): New.
11031         (sync_nand{si,di}_internal): New.
11032         (sync_old_<fetchop>{si,di}_internal): New.
11033         (sync_old_nand{si,di}_internal): New
11034         (sync_new_<fetchop>{si,di}_internal): New.
11035         (sync_new_nand{si,di}_internal): New.
11036         (atomic_and{si,di}): New.
11037         (sync_new_nand{si,di}_internal): New.
11038         (atomic_and{si,di}): New.
11039         (sync_add<mode>_internal): Delete.
11040         (sync_addshort_internal): Use unspec instead of unspec_volatile.
11041         (sync_sub<mode>_internal): Delte.
11042         (sync_subshort_internal): New.
11043         (sync_andsi_internal): Use unspec instead of unspec_volatile.
11044         (sync_anddi_internal): Delete.
11045         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11046         (sync_booldi_internal): Delete.
11047         (sync_boolc<mode>_internal): Delete.
11048         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11049         (sync_boolc<mode>_internal2): Delete.
11050         (sync_boolcc<mode>_internal): Delete.
11051         (isync, lwsync): Use unspec instead of unspec_volatile.
11052         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11053         Revert UNSPEC_VOLATILE.
11054         (rs6000_split_atomic_op): New.
11055         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11056
11057 2005-07-14  Eric Christopher  <echristo@redhat.com>
11058
11059         * config/mips/mips.c (mips_canonicalize_comparison): Cast
11060         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11061
11062 2005-07-14  Eric Christopher  <echristo@redhat.com>
11063
11064         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11065
11066 2005-07-14  Steven Bosscher  <stevenb@suse.de>
11067
11068         PR tree-optimization/22230
11069         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11070         the computation of the four cross productions for "range op range".
11071
11072 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
11073             Ulrich Weigand  <uweigand@de.ibm.com>
11074
11075         PR target/20126
11076         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11077         in some insn.
11078
11079 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
11080
11081         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11082
11083 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
11084
11085         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11086
11087 2005-07-14  Richard Guenther  <rguenther@suse.de>
11088
11089         PR middle-end/22347
11090         * config/i386/i386-protos.h (ix86_function_value): Change
11091         prototype to match new target hook.
11092         * config/i386/i386.c (ix86_value_regno): Change prototype
11093         to take extra type argument.
11094         (TARGET_FUNCTION_VALUE): Define.
11095         (ix86_function_ok_for_sibcall): Pass extra argument to
11096         ix86_value_regno, check return slot rtx for exact match.
11097         (ix86_function_value): Take extra parameter.  Dispatch to
11098         ix86_value_regno with fndecl/fntype as provided.
11099         (ix86_value_regno): Handle extra type argument.
11100         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11101
11102         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11103         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11104         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11105         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11106         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11107
11108 2005-07-14  Richard Guenther  <rguenther@suse.de>
11109
11110         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11111         * calls.c (expand_call): Pass fntype to hard_function_value.
11112         (emit_library_call_value_1): Likewise.
11113         * explow.c: Include target.h.
11114         (hard_function_value): Take extra argument, the fntype.
11115         Use new target hook for function_value.
11116         * expr.h (hard_function_value): Change prototype.
11117         * function.c (aggregate_value_p): Pass 0 as fntype to
11118         hard_function_value.
11119         (assign_parms): Use new target hook for function_value.
11120         Pass 0 as fntype to hard_function_value.
11121         (expand_function_end): Likewise.
11122         * reg-stack.c: Include target.h.
11123         (stack_result): Use new target hook for function_value.
11124         * target-def.h: New target hook function_value.
11125         * target.h: Likewise.
11126         * targhooks.c (default_function_value): New function.
11127         * targhooks.h (default_function_value): Declare.
11128
11129 2005-07-13  Ian Lance Taylor  <ian@airs.com>
11130
11131         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11132
11133 2005-07-14  Jan Hubicka  <jh@suse.cz>
11134
11135         * tree-dfa.c (dump_variable): Use default_def function.
11136         * tree-ssa-alias.c (dump_points_to_info): Likewise.
11137         * tree-ssa.c (verify_use): Likewise.
11138         * tree-ssanames.c (release_ssa_name): Likewise.
11139         * tree-tailcall.c (eliminate_tail_call): Likewise.
11140         (tree_optimize_tail_calls_1): Likewise.
11141         * tree-vrp.c (get_value_range): Likewise.
11142
11143 2005-07-14  Ben Elliston  <bje@au.ibm.com>
11144
11145         * gcc.c (main): Compare language[0] with '*' when iterating over
11146         the infiles.
11147
11148 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11149
11150         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11151         "s390_emit_compare".  Add handling of CCZ1mode.
11152         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11153         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11154         checking.
11155         (s390_branch_condition_mask): Add CCZ1mode handling.
11156         * config/s390/s390.md: ("seq", "*seq"): New pattern.
11157         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11158         Use CCZ1mode instead of CCZmode.
11159         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
11160
11161 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11162
11163         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11164         pattern.
11165         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11166
11167 2005-07-13  Eric Christopher  <echristo@redhat.com>
11168
11169         * config/mips/mips.c (mips_canonicalize_comparison): New.
11170         (mips_emit_int_relational): Use.
11171
11172 2005-07-13  Eric Christopher  <echristo@redhat.com>
11173
11174         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11175         static extra parts.
11176         * config/s390/s390.md: Include tpf.md. Move tpf specific
11177         patterns...
11178         * config/s390/tpf.md: To here.
11179         * config/s390/s390.opt: Move tpf specific options...
11180         * config/s390/tpf.opt: to here. Add mmain option.
11181         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11182         * config/s390/tpf.h: Rewrite.
11183
11184 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11185
11186         * doc/tm.texi: Remove @xref{Cross-profiling}.
11187
11188 2005-07-13  Jeff Law  <law@redhat.com>
11189
11190         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11191         expressions, test their _DECL operands for pointer equality rather
11192         than using operand_equal_p.
11193
11194 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11195
11196         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11197         (TARGET_POSIX_IO): This.
11198         * config/darwin.h: Likewise.
11199         * config/freebsd.h: Likewise.
11200         * config/linux.h: Likewise.
11201         * config/lynx.h: Likewise.
11202         * config/netbsd.h: Likewise.
11203         * config/rs6000/linux64.h: Likewise.
11204         * config/rs6000/linux.h: Likewise.
11205         * config/s390/tpf.h: Likewise.
11206         * config/sh/embed-elf.h: Likewise.
11207         * config/sparc/linux64.h: Likewise.
11208         * config/sparc/linux.h: Likewise.
11209         * config/svr4.h: Likewise.
11210         * gcov-io.h: Likewise.
11211
11212         * doc/tm.texi: Updated.
11213
11214         * libgcov.c (create_file_directory): Defined only if
11215         TARGET_POSIX_IO is defined.
11216         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11217         is defined.
11218
11219 2005-07-13  Jan Hubicka  <jh@suse.cz>
11220
11221         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11222
11223 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
11224
11225         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11226         structure as argument.
11227
11228 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
11229
11230         PR tree-optimization/21921
11231         * tree-iterator.c (tsi_link_before): Support the case when
11232         tsi_end_p (tsi) == true.
11233
11234 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11235
11236         PR tree-optimization/22442
11237         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11238         correctly.
11239
11240 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11241
11242         PR rtl-optimization/20376
11243         * toplev.c (process_options): Enable -fweb and -frename-registers when
11244         unrolling.
11245         * doc/invoke.texi: Update the information about when -fweb and
11246         -frename-registers are enabled.
11247
11248 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11249
11250         PR tree-opt/21840
11251         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11252         if *rhs_p is not a SSA_NAME.
11253
11254 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
11255
11256         Fix PR tree-optimization/22422
11257         * tree-ssa-structalias.c (struct variable_info): Add flag for
11258         special vars.
11259         (get_varinfo): Now a static function.
11260         (new_varinfo): init has_union and is_special_var to false.
11261         (solution_set_add): Check has_union.
11262         (do_da_constraint): Move temporary variable so it gets reset
11263         properly.
11264         Also check for special variable.
11265         (do_ds_constraint): Ditto.
11266         (do_sd_constraint): Ditto.
11267         (do_structure_copy): Check for special variable.
11268         (find_func_aliases): Ditto.
11269         (init_base_vars): Set special vars properly.
11270
11271 2005-07-13  Jan Hubicka  <jh@suse.cz>
11272
11273         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11274         do unit-at-a-time.
11275
11276         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11277         (get_expr_operands): Fix thinko wrt flags and subvars.
11278
11279         PR tree-optimize/22379
11280         * tree-inline.c (expand_call_inline): Do not output sorry in early
11281         inlining.
11282
11283 2005-07-12  Dale Johannesen  <dalej@apple.com>
11284
11285         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
11286
11287 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11288
11289         PR bootstrap/21704
11290         * host-linux.h: Include limits.h.
11291
11292 2005-07-12  Dale Johannesen  <dalej@apple.com>
11293
11294         * expr.c (compress_float_constant):  Add cost check.
11295         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
11296
11297 2005-07-12  Dale Johannesen  <dalej@apple.com>
11298
11299         * gcc.target/i386/compress-float-sse.c:  New.
11300         * gcc.target/i386/compress-float-sse-pic.c:  New.
11301         * gcc.target/i386/compress-float-387.c:  New.
11302         * gcc.target/i386/compress-float-387-pic.c:  New.
11303         * gcc.dg/compress-float-ppc.c:  New.
11304         * gcc.dg/compress-float-ppc-pic.c:  New.
11305
11306 2005-07-12  Eric Christopher  <echristo@redhat.com>
11307
11308         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11309         static extra parts.
11310         * config/s390/s390.md: Include tpf.md. Move tpf specific
11311         patterns...
11312         * config/s390/tpf.md: To here.
11313         * config/s390/s390.opt: Move tpf specific options...
11314         * config/s390/tpf.opt: to here. Add mmain option.
11315         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11316         * config/s390/tpf.h: Rewrite.
11317
11318 2005-07-12  Eric Christopher  <echristo@redhat.com>
11319
11320         * gcc.c (struct infile): Update comment for language.
11321         (main): Rewrite input file resetting code.
11322
11323 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11324
11325         PR tree-opt/22335
11326         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11327         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11328         (lookup_avail_expr): Use constant_boolean_node instead
11329         of boolean_false_node/boolean_true_node.
11330
11331 2005-07-12  Ben Elliston  <bje@au.ibm.com>
11332
11333         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11334         and use it when printing num_edges.
11335
11336 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11337
11338         * doc/extend.texi (Blackfin Built-in Functions): New section.
11339         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11340         @opindex.
11341
11342 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11343
11344         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11345         s/cmpstrsi/cmpstrnsi
11346         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11347         'cmpstrnsi'.
11348         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11349         (init_optabs): Initialize cmpstrn_optab.
11350         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11351         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11352         * expr.c: (enum insn_code cmpstrn_optab): Declare.
11353         * config/i386/i386.md: s/cmpstr/cmpstrn
11354         * config/c4x/c4x.md: s/cmpstr/cmpstrn
11355         * doc/md.texi: Update documentation.
11356
11357 2005-07-11  Richard Henderson  <rth@redhat.com>
11358
11359         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11360         build_va_arg_indirect_ref.
11361         (alpha_gimplify_va_arg): Likewise.
11362         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11363         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11364         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11365         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11366         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11367         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11368         Likewise.
11369         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11370
11371 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11372
11373         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11374         * passes.c (init_optimization_passes): Add pass_empty_loop.
11375         * tree-pass.h (pass_empty_loop): Declare.
11376         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11377         try_remove_empty_loop, remove_empty_loops): New functions.
11378         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11379         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11380
11381 2005-07-12  Peter Barada  <peter@the-baradas.com>
11382
11383         PR middle-end/16719
11384         PR middle-end/18421
11385         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11386         in address registers.
11387         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11388         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11389         alternative of addsi3_5200.
11390
11391 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11392
11393         * config/mips/mips.md (ffs<mode>2): Remove.
11394
11395 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11396
11397         * doc/tree-ssa.texi (Cleanups): Improve description of
11398         TRY_FINALLY_EXPR.
11399         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11400
11401 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11402
11403         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11404         * tree.h (DECL_ARGUMENT_FLD): New macro.
11405
11406 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11407
11408         Fix PR tree-optimization/22404
11409
11410         * tree-ssa-structalias.c (create_variable_info_for): Use
11411         correct offset.
11412
11413 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11414
11415         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11416         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11417         for second comparison operand.
11418         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11419
11420         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11421         (define_insn_reservation "alu"): Likewise.
11422         (csync, ssync): Now of type sync.
11423         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11424         -mcsync-anomaly -mspecld-anomaly.
11425         * config/bfin/bfin.opt (mcsync): Remove.
11426         (mcsync-anomaly, mspecld-anomaly): Add.
11427         * config/bfin/bfin.c: Include "insn-codes.h".
11428         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11429         (TARGET_DEFAULT_TARGET_FLAGS): New.
11430         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11431
11432 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11433
11434         * basic-block.h: Give the BB flags enum a name, bb_flags.
11435         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11436         * cfgcleanup.c (enum bb_flags): Remove here.
11437         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11438         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11439         (update_forwarder_flag): Likewise.
11440         (thread_jump): Likewise.
11441         (try_forward_edges): Likewise.
11442         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11443         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11444         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11445
11446 2005-07-11  Richard Guenther  <rguenther@suse.de>
11447
11448         * config/i386/i386.opt: New target option -msseregparm.
11449         * config/i386/i386.c (override_options): Error out for
11450         -msseregparm but no SSE support.
11451         (ix86_function_sseregparm): Check for global sseregparm.
11452         * doc/invoke.texi: Document -msseregparm.
11453
11454 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11455
11456         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11457         (m32rle-*-linux*): Ditto.
11458
11459 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11460
11461         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11462         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11463         bytes.
11464
11465 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11466
11467         PR middle-end/22239
11468         PR target/20126
11469         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11470         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11471
11472 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11473
11474         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11475         (varmap): Heapify varmap.
11476         (constraints): Heapify constraints.
11477         (struct constraint_graph): Heapify succs and preds.
11478         (constraint_vec_find): Update for heapification.
11479         (constraint_set_union): Ditto.
11480         (insert_into_complex): Ditto.
11481         (constraint_edge_vec_find): Ditto.
11482         (erase_graph_self_edge): Ditto.
11483         (add_graph_edge): Ditto.
11484         (get_graph_weights): Ditto.
11485         (merge_graph_nodes): Ditto.
11486         (build_constraint_graph): Ditto.
11487         (topo_visit): Ditto.
11488         (solve_graph): Ditto.
11489         (create_variable_info_for): Ditto.
11490         (init_base_vars): Ditto.
11491         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11492         (condese_varmap_nodes): Free complex vector.
11493         (clear_edges_for_node): Clear succs and preds vector.
11494
11495 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11496
11497         * tree-ssa-structalias.c (update_alias_info): Change counting of
11498         references to not include vdefs.
11499
11500 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11501
11502         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11503         (up_insert): Ditto.
11504
11505 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11506
11507         * pa.c (pa_commutative_p): Make PLUS commutative when
11508         TARGET_NO_SPACE_REGS is true.
11509
11510 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11511
11512         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11513         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11514         * tree-dfa.c (dump_subvars_for): New.
11515         (debug_subvars_for): New.
11516         (dump_variable): Show subvariables if VAR has them.
11517         * tree-flow-inline.h (get_subvar_at): New.
11518         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11519         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11520         Update all users.
11521         (struct subvar): Change fields offset and size to unsigned
11522         HOST_WIDE_INT.
11523         (dump_subvars_for): Declare.
11524         (debug_subvars_for): Declare.
11525         (get_subvar_at): Declare.
11526         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11527         to unsigned HOST_WIDE_INT *.
11528         (overlap_subvar): Likewise.
11529         * tree-gimple.c (is_gimple_reg): Always return false for
11530         SFTs and memory tags.
11531         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11532         Update all callers.
11533         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11534         (compute_may_aliases): Call compute_points_to_sets.
11535         (collect_points_to_info_for): Remove.
11536         (compute_points_to_and_addr_escape): Remove.
11537         (delete_alias_info): Call delete_points_to_sets.
11538         (compute_flow_sensitive_aliasing): If the call to
11539         find_what_p_points_to returns false, call set_pt_anything.
11540         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11541         (set_pt_anything): Clear pi->pt_vars.
11542         (set_pt_malloc): Remove.
11543         (merge_pointed_to_info): Remove.
11544         (add_pointed_to_expr): Remove.
11545         (add_pointed_to_var): Remove.
11546         (collect_points_to_info_r): Remove.
11547         (is_escape_site): Make extern.
11548         (create_sft): New.
11549         (create_overlap_variables_for): Call it.
11550         * tree-ssa-copy.c (merge_alias_info): Never merge
11551         flow-sensitive alias information.
11552         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11553         offset and size to be unsigned HOST_WIDE_INT.
11554         (add_to_addressable_set): Rename from note_addressable.
11555         Set TREE_ADDRESSABLE as the variables are added to the set.
11556         Update all users.
11557         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11558         operands into VUSEs when adding V_MAY_DEFs for members in an
11559         alias set.
11560         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11561         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11562         (struct variable_info): Add bitfield is_heap_var.
11563         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11564         (new_var_info): Initialize is_heap_var.
11565         (get_constraint_for): Add HEAP variables to the symbol table.
11566         Mark them with is_heap_var.
11567         (update_alias_info): New.  Taken mostly from the old
11568         compute_points_to_and_addr_escape.
11569         (handle_ptr_arith): New.
11570         (find_func_aliases): Call update_alias_info.
11571         Call handle_ptr_info for tcc_binary expressions.
11572         Call mark_stmt_modified.
11573         (create_variable_info_for): If DECL has subvars, do not create
11574         variables for its subvars.  Always add all the fields.
11575         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11576         SFTs, then add all the SFTs of the structure.
11577         If VI->DECL is an aggregate with subvariables, add the SFT at
11578         VI->OFFSET.
11579         (find_what_p_points_to): If VI is an artificial variable,
11580         translate to bitfields in SSA_NAME_PTR_INFO.
11581         If the solution is empty, set pi->pt_vars to NULL
11582         (init_base_vars): Create ANYOFFSET.
11583         (compute_points_to_sets): Rename from create_alias_vars.
11584         Make extern.
11585         (pass_build_pta): Remove.
11586         (delete_points_to_sets): Rename from delete_alias_vars.
11587         (pass_del_pta): Remove.
11588         * tree-ssa-structalias.h (struct alias_info): Move from
11589         tree-ssa-alias.h.
11590         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11591         NUM_REFERENCES_SET): Likewise.
11592         (compute_points_to_sets, delete_points_to_sets): Declare.
11593
11594 2005-07-09  Richard Henderson  <rth@redhat.com>
11595
11596         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11597         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11598         alpha_split_lock_test_and_set_12): New functions.
11599         * config/alpha/alpha-protos.h: Update.
11600         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11601         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11602         * config/alpha/sync.md (I12MODE): New.
11603         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11604         (sync_<fetchop_name><I48MODE>): Likewise.
11605         (sync_nand<I48MODE>): Likewise.
11606         (sync_old_<fetchop_name><I48MODE>): Likewise.
11607         (sync_new_<fetchop_name><I48MODE>): Likewise.
11608         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11609         (sync_compare_and_swap<I48MODE>): Likewise.
11610         (sync_lock_test_and_set<I48MODE>): Likewise.
11611         (sync_compare_and_swap<I12MODE>): New.
11612         (sync_compare_and_swap<I12MODE>_1): New.
11613         (sync_lock_test_and_set<I12MODE>): New.
11614         (sync_lock_test_and_set<I12MODE>_1): New.
11615
11616 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11617
11618         PR 21356
11619         PR 22332
11620         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11621
11622 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11623
11624         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11625         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11626
11627 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11628
11629         PR target/21656
11630         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11631
11632 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11633
11634         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11635         memory_operand constraint.
11636         (store_conditional_<mode>): Same.
11637         (sync_compare_and_swap<mode>): Same.
11638         (sync_lock_test_and_set<mode>): Same.
11639
11640 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11641
11642         Rewrite PIC support to more closely model actual instructions.
11643         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11644         (cris_symbol): Remove prototypes for removed functions.
11645         (cris_pic_symbol_type_of, cris_valid_pic_const)
11646         (cris_expand_pic_call_address): Prototypes for new functions.
11647         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11648         variable.
11649         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11650         modifiers.
11651         <case ':'>: Add case for new punctuation character.
11652         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11653         emitting (extra) PIC modifier.
11654         <case UNSPEC>: Do not assert for PLT.
11655         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11656         (cris_expand_prologue, cris_expand_epilogue): Check
11657         for pic_offset_table_rtx usage instead of taking
11658         current_function_uses_pic_offset_table as the final word.
11659         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11660         Remove flag_pic difference.
11661         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11662         the moral equivalents of...
11663         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11664         functions.
11665         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11666         (cris_handle_option): Mark ARG as unused.
11667         (cris_expand_pic_call_address): New worker function for "call",
11668         "call_value".
11669         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11670         output PIC constructs here.
11671         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11672         as symbol-specific modifers, not whole or part of operands.
11673         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11674         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11675         constants and flag_pic.
11676         (CONSTANT_INDEX_P): Adjust for new functions.
11677         (enum cris_pic_symbol_type): New helper type.
11678         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11679         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11680         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11681         define_constants.
11682         ("movsi"): Emit actual instructions for GOT and relative access.
11683         ("*movsi_got_load"): New pattern to set up the register holding
11684         the GOT pointer.
11685         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11686         Adjust FIXME for 'S'.
11687         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11688         Use "movs" for -fpic cases.
11689         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11690         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11691         ("call", "call_value"): Just call cris_expand_pic_call_address for
11692         PIC addresses.
11693         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11694         Remove special pattern.
11695         ("*expanded_call_side", "*expanded_call_value_side"): New
11696         patterns.
11697         (gotplt-to-plt, gotplt-to-plt-side-call)
11698         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11699         peephole2:s.
11700         * config/cris/cris/predicates.md
11701         ("cris_general_operand_or_gotless_symbol"): Remove unused
11702         predicate.
11703         ("cris_general_operand_or_symbol"): Adjust for new functions.
11704
11705 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11706
11707         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11708
11709 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11710
11711         * Makefile.in (TREE_H): Add treestruct.def.
11712         (c-decl.o): Add pointer-set.h
11713         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11714         visibility on regular DECL's.
11715         (merge_decls): Fix the copying of decl nodes of various types for
11716         the new structures.  Don't update RTL, section name, weak status,
11717         etc, on DECL's without RTL.
11718         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11719         Don't check volatile on non-variable types.
11720         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11721         to check whether we have seen arguments.
11722         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11723         flag is checked before field (flag is common, field is not).
11724         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11725         TS_DECL_COMMON could have an origin.
11726         (add_location_or_const_value_attribute): Don't check section name
11727         on non-var/function decls.
11728         (dwarf2out_var_location): Reverse order of tests.
11729         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11730         with DECL_WRTL_CHECK.
11731         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11732         * fold-const.c (fold_binary): Don't check weakness on
11733         non-var/function decls.
11734         (tree_expr_nonzero_p): Ditto.
11735         (fold_checksum_tree): Use tree_decl_extra as sizeof
11736         buffer.
11737         * ggc-page.c (extra_order_size_table): Add sizes for
11738         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11739         tree_field_decl.
11740         * gimplify.c (gimplify_bind_expr): Only set
11741         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11742         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11743         without RTL.
11744         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11745         * langhooks.h (init_ts). New langhook.
11746         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11747         * print-tree.c (print_node): Update to only print fields that
11748         exist in the structures the passed decl has.
11749         * toplev.c (wrapup_global_declarations): Don't reset
11750         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11751         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11752         * tree-inline.c (remap_decl): Ditto.
11753         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11754         * tree-pretty-print.c (print_declaration): Don't print
11755         DECL_REGISTER on things that don't contain it.
11756         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11757         non-var/function decls.
11758         * tree.c (tree_contains_struct): New structure.
11759         (init_priority_for_decl): New hashtable.
11760         (tree_int_map): New structure.
11761         (tree_int_map_eq): New function.
11762         (tree_int_map_marked_p): Ditto.
11763         (tree_int_map_hash): Ditto.
11764         (tree_map): Move to tree.h.
11765         (tree_map_eq): Externalize.
11766         (tree_map_hash): Ditto.
11767         (tree_map_marked_p): Ditto.
11768         (init_ttree): Set up tree_contains_struct and call langhook.
11769         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11770         (tree_code_size): Update for new structures.
11771         (tree_node_structure): Update for new structures.
11772         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11773         without the field.
11774         (copy_node_stat):  Copy init priority.
11775         (build_decl_stat): Ditto for visibility.
11776         (ts_enum_names): New.
11777         (tree_contains_struct_check_failed): New function.
11778         (decl_init_priority_lookup): Ditto.
11779         (decl_init_priority_insert): Ditto.
11780         * treestruct.def: New file.
11781         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11782         (CONTAINS_STRUCT_CHECK): Ditto.
11783         (tree_contains_struct_check_failed): New prototype.
11784         (DECL_CHECK): Removed.
11785         (DECL_MINIMAL_CHECK): New.
11786         (DECL_COMMON_CHECK): Ditto.
11787         (DECL_WRTL_CHECK): Ditto.
11788         (DECL_NON_COMMON_CHECK): Ditto.
11789         (DECL_WITH_VIS_CHECK): Ditto.
11790         (VAR_OR_FUNCTION_DECL_P): Ditto
11791         (struct tree_decl_minimal): New structure.
11792         (struct tree_decl_common): Ditto.
11793         (struct tree_decl_with_rtl): Ditto.
11794         (struct tree_decl_with_vis): Ditto.
11795         (struct tree_decl_non_common): Ditto.
11796         (struct tree_field_decl): Ditto.
11797         (struct tree_parm_decl): Ditto.
11798         (struct tree_var_decl): Ditto.
11799         (struct tree_function_decl): Ditto.
11800         (struct tree_const_decl): Ditto.
11801         (struct tree_result_decl): Ditto.
11802         (union tree_node): Add new structures.
11803         * var-tracking.c (track_expr_p): Reverse order of tests.
11804
11805         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11806
11807 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11808
11809         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11810         * system.h: Poison FINALIZE_PIC.
11811         * doc/tm.texi (FINALIZE_PIC): Remove.
11812
11813 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11814
11815         PR tree-opt/22329
11816         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11817         to the correct type if we have a MODIFY_EXPR.
11818
11819 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11820
11821         PR tree-optimization/22360
11822         * tree.c (upper_bound_in_type): Fix calculations for casting
11823         to a non-wider signed type and casting a signed value to a
11824         wider unsigned type.
11825         (lower_bound_in_type): Fix calculations for casting to a
11826         non-wider signed type.
11827
11828         PR tree-optimization/20139
11829         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11830         release_defs.
11831         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11832         fold_cond_expr_cond.
11833         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11834         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11835
11836 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11837
11838         PR tree-opt/22356
11839         * tree-complex.c (expand_complex_libcall): Produce
11840         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11841
11842 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11843
11844         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11845         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11846         b" assert and inserted fastpath code for this case.
11847         (bitmap_ior): Removed "a != b" assert.
11848
11849 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11850
11851         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11852         (ENDFILE_SPEC): Likewise.
11853         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11854
11855         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11856         a large stack frame at epilogue.
11857
11858 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11859
11860         * final.c: Include sdbout.h when required.
11861
11862 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11863
11864         * config.gcc (*-*-darwin*): Only one target-specific header file
11865         for generic darwin.
11866         (powerpc-*-darwin*): Add version-specific header files.
11867         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11868         * config.in: Regenerate.
11869         * configure: Regenerate.
11870         * gcc.c: Include xregex.h.
11871         (version_compare_spec_function): New.
11872         (spec_function): Add version-compare.
11873         (replace_outfile_spec_function): Reformat comment.
11874         (compare_version_strings): New.
11875         * config/darwin-c.c (version_as_macro): New.
11876         (builtin_define): New.
11877         (darwin_cpp_builtins): New.
11878         * config/darwin-protos.h (darwin_cpp_builtins): New.
11879         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11880         (LIB_SPEC): Make unconditional, update comment.
11881         (TARGET_C99_FUNCTIONS): Define.
11882         * config/darwin.opt: Sort.
11883         (mmacosx-version-min=): New.
11884         * config/darwin7.h: Delete.
11885         * config/darwin8.h: Delete.
11886         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11887         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11888         (TARGET_C99_FUNCTIONS): Define.
11889         * config/rs6000/darwin7.h: New.
11890         * config/rs6000/darwin8.h: New.
11891         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11892         (-mmacosx-version-min): Document.
11893
11894 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11895
11896         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11897
11898 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11899
11900         PR middle-end/22239
11901         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11902
11903 2005-07-07  Khem Raj  <kraj@mvista.com>
11904
11905         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11906         in bytes, not words.
11907
11908 2005-07-07  Paul Brook  <paul@codesourcery.com>
11909
11910         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11911         DEFAULT_FUNCTION_ARG_PADDING to upward.
11912
11913 2005-07-07  Richard Henderson  <rth@redhat.com>
11914
11915         * function.c (locate_and_pad_parm): Record parameter alignment in
11916         stack_alignment_needed.
11917
11918 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11919
11920         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11921         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11922         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11923         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11924         (define_attr "type"): Add isync, sync, load_l, store_c.
11925         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11926         Create scratch volatile MEM.
11927         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11928         sync.
11929         (load_locked_<mode>): New.
11930         (store_conditional_<mode>): New.
11931         (sync_compare_and_swap<mode>): Replace with splitter.
11932         (sync_lock_test_and_set<mode>): Replace with splitter.
11933         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11934         and UNSPECV_ISYNC.
11935         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11936         is ics.  Attribute isync.
11937         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11938         lwsync.
11939         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11940         and UNSPECV_SYNC_OP.
11941         (emit_unlikely_jump): New.
11942         (emit_load_locked): New.
11943         (emit_store_conditional): New.
11944         (rs6000_split_compare_and_swap): New.
11945         (rs6000_split_lock_test_and_set): New.
11946         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11947         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11948         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11949         rs6000_split_lock_test_and_set): Declare.
11950         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11951         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11952         store_c, isync, sync.
11953
11954 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11955
11956         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11957         filenames to gtyp-gen.h.
11958         (s-typ-gen): Use it in place of for loops.
11959
11960 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11961
11962         * hooks.c (hook_bool_rtx_int_false): New function.
11963         * hooks.h (hook_bool_rtx_int_false): Declare.
11964         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11965         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11966         * target.h (struct gcc_target): Add commutative_p member.
11967         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11968         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11969         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11970         (pa_commutative_p): New function.
11971         * jump.c (target.h): Include.
11972         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11973         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11974
11975 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11976
11977         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11978         (s390_expand_setmem): New.
11979         * config/s390/s390.c: Likewise.
11980         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11981         Adapt comments.
11982         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11983         general_operand.  Call new function "s390_expand_setmem".
11984         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11985         ("setmem_long", "*setmem_long"): ... this.
11986
11987 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11988
11989         * config/s390/s390.c: (optimization_options): Enable
11990         TARGET_MVCLE at -Os.
11991         * doc/invoke.texi: Document changes in default behaviour.
11992         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11993
11994 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11995
11996         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11997         defined by back-end.
11998
11999 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
12000
12001         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12002         all sets in the pattern.
12003         * config/rs6000/rs6000.md (stack_protect_testsi,
12004         stack_protect_testdi): Likewise.
12005
12006 2005-07-06  Jeff Law  <law@redhat.com>
12007
12008         * tree-vrp.c (simplify_using_ranges): Kill.
12009         (vrp_finalize): Remove call to simplify_using_ranges.
12010         (simplify_stmt_using_ranges): New function extracted from
12011         simplify_using_ranges.
12012         (simplify_div_or_mod_using_ranges): Likewise.
12013         (simplify_abs_using_ranges): Likewise.
12014         (simplify_cond_using_ranges): New function.
12015         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12016         * tree-ssa-propagate.c (substitute_and_fold): Call
12017         simplify_stmt_using_ranges if we have range information.
12018
12019 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
12020
12021         * config/ia64/ia64.c (ia64_reorg): Check optimize before
12022         ia64_flag_schedule_isns2.
12023
12024         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12025         reading/writing general registers.
12026         (ia64_function_arg): Revert 2005-06-18 change.
12027
12028 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
12029
12030         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12031         (legitimize_tls_address): Use gcc_unreachable instead of abort.
12032
12033 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
12034
12035         * function.c (expand_function_end): Revert part of 2005-06-27
12036         patch.  Do sjlj_emit_function_exit_after after return_label.
12037
12038 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12039
12040         * doc/install.texi (--disable-libssp): New.
12041
12042 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
12043
12044         * doc/invoke.texi: Update -fforce-mem documentation.
12045         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12046         code for -fforce-mem.
12047         * expmed.c: (store_bit_field,store_fixed_bit_field,
12048         extract_bit_field): Ditto.
12049         * expr.c: (convert_move): Ditto.
12050         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12051         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12052         emit_conditional_add,expand_float,expand_fix): Ditto.
12053         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12054         (common_handle_option): Issue warning when -fforce-mem specified.
12055
12056 2005-07-06  Paul Brook  <paul@codesourcery.com>
12057
12058         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12059         argument is empty.
12060         * configure: Regenerate.
12061
12062 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
12063
12064         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12065
12066 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
12067
12068         Fix PR tree-optimization/22319
12069         Fix PR tree-optimization/22140
12070         Fix PR tree-optimization/22310
12071
12072         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12073         variable sized types.
12074         Use correct type for intermediate structure on *a = *b structure
12075         copies.
12076
12077 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12078
12079         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12080         Remove.
12081         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12082         (machine_function): Move typedef to...
12083         * config/rs6000/rs6000.c (machine_function): ... here.  Add
12084         varargs_save_offset field.
12085         (rs6000_stack_t): Remove varargs_size field.
12086         (setup_incoming_varargs): Allocate varargs save area using
12087         assign_stack_local, try to make it as small as possible.
12088         Save offset from virtual_stack_vars_rtx to the save area
12089         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
12090         instead of magic 8 when fp word byte size is used.
12091         (rs6000_va_start): Use cfun->machine->varargs_save_offset
12092         instead of -RS6000_VARARGS_SIZE.
12093         (rs6000_stack_info, debug_stack_info,
12094         rs6000_initial_elimination_offset): Remove all traces of
12095         varargs_size.
12096         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12097         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12098         RS6000_VARARGS_AREA.
12099
12100 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
12101
12102         PR tree-optimization/21963
12103         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12104         constant_multiple_of in the same way get_computation_cost_at does.
12105
12106 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12107
12108         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12109         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12110         (gen_compare_reg): If sparc_compare_emitted is set, clear it
12111         and return its previous value.
12112         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12113         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12114         constants.
12115         (stack_protect_set, stack_protect_test): New expanders.
12116         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12117         stack_protect_testdi): New insns.
12118         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12119         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12120
12121 2005-07-06  Jeff Law  <law@redhat.com>
12122
12123         * tree-ssa-dce.c (cfg_altered): New global.
12124         (tree_dce_init): Initialize cfg_altered.
12125         (remove_dead_stmt): If we remove an edge in the CFG, then set
12126         CFG_ALTERED.
12127         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12128         the dominators.
12129
12130 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12131
12132         * Makefile.in (stamp-collect-ld): Use
12133         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
12134         ./collect-ld if it already exists.
12135         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12136         Don't remove ./nm if it already exists.
12137
12138 2005-07-05  Devang Patel  <dpatel@apple.com>
12139
12140         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12141         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12142         * tree-vectorizer.c (vect_loop_location): New.
12143         (vect_print_dump_info): Use vect_loop_location.
12144         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12145         (vectorize_loops): Set vect_loop_location.
12146         * tree-vect-analyze.c (vect_analyze_offset_expr,
12147         vect_determin_vectorization_factor, vect_analyze_operations,
12148         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12149         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12150         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12151         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12152         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12153         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12154         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12155         vect_analyze_loop): Adjust vect_print_dump_info API.
12156         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12157         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12158         vect_finish_stmt_generation, vectorizable_assignment,
12159         vectorizable_operation, vectorizable_store, vectorizable_load,
12160         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12161         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12162         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12163         vect_transform_loop): Same.
12164         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12165         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12166         Same.
12167
12168 2005-07-05  Randolph Chung  <tausq@debian.org>
12169
12170         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12171         * configure: Regenerate.
12172         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12173         (pa_tls_referenced_p): Declare.
12174         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12175         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12176         (legitimize_tls_address): New.
12177         (hppa_legitimize_address): Handle TLS addresses.
12178         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12179         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12180         (emit_move_sequence): Handle TLS addresses.
12181         (pa_encode_section_info): Call default handler to handle common
12182         sections.
12183         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12184         (CONSTANT_ADDRESS_P): Reject TLS operands.
12185         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12186         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12187         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12188         (UNSPEC_TLSLE): Define new constants.
12189         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12190         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12191         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12192         (tie_symbolic_operand, tle_symbolic_operand): New
12193
12194 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
12195
12196         * aclocal.m4: Update macros for autoconf 2.59 style.
12197         * configure.ac: Likewise.
12198
12199 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12200
12201         * pa.c (function_value): Handle small aggregates on 32-bit targets.
12202         (function_arg): Pass small aggregates in general registers on 32-bit
12203         targets.
12204         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12205
12206 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
12207
12208         * Makefile.in (final.o): Fix dependencies.
12209
12210 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12211
12212         PR c/22013
12213         PR c/22098
12214         * langhooks.h (struct lang_hooks): Add expr_to_decl.
12215         * langhooks.c (lhd_expr_to_decl): New.
12216         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12217         New.
12218         (LANG_HOOKS_INITIALIZER): Update.
12219         * tree.c (recompute_tree_invarant_for_addr_expr): Call
12220         expr_to_decl langhook.
12221         * c-tree.h (c_expr_to_decl): Declare.
12222         * c-typeck.c (c_expr_to_decl): New.
12223         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12224         specially.
12225         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12226
12227 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12228
12229         PR c/22308
12230         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12231         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12232
12233 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
12234
12235         * Makefile.in: Adjust dependencies.
12236         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12237         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12238         * alias.c (rest_of_handle_cfg, pass_cfg): New.
12239         * bb-reorder.c (duplicate_computed_gotos): Make it static.
12240         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12241         rest_of_compilation.
12242
12243         * bb-reorder.c (gate_duplicate_computed_gotos,
12244         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12245         rest_of_handle_reorder_blocks, pass_reorder_blocks,
12246         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12247         pass_partition_blocks): New.
12248         * bt-load.c (gate_handle_branch_target_load_optimize,
12249         rest_of_handle_branch_target_load_optimize,
12250         pass_branch_target_load_optimize): New.
12251         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12252         pass_jump2): New.
12253         * cfglayout.c (pass_insn_locators_initialize): New.
12254         * cfgrtl.c (pass_free_cfg): New.
12255         * combine.c (gate_handle_combine, rest_of_handle_combine,
12256         pass_combine): New.
12257         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12258         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12259         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12260         * except.c (pass_set_nothrow_function_flags,
12261         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12262         pass_rtl_eh): New.
12263         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12264         rest_of_handle_shorten_branches, pass_shorten_branches,
12265         rest_of_clean_state, pass_clean_state): New.
12266         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12267         rest_of_handle_remove_death_notes, pass_remove_death_notes,
12268         rest_of_handle_life, pass_life, rest_of_handle_flow2,
12269         pass_flow2): New.
12270         * function.c (pass_instantiate_virtual_regs, pass_init_function,
12271         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12272         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12273         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12274         pass_gcse): New.
12275         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12276         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12277         pass_rtl_ifcvt, gate_handle_if_after_combine,
12278         rest_of_handle_if_after_combine, pass_if_after_combine,
12279         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12280         pass_if_after_reload): New.
12281         * integrate.c (pass_initial_value_sets): New.
12282         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12283         pass_purge_lineno_notes): New.
12284         * mode-switching.c (rest_of_handle_mode_switching,
12285         pass_mode_switching): New.
12286         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12287         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12288         pass_loop2): New.
12289         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12290         pass_loop_optimize): New.
12291         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12292         pass_sms): New.
12293         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12294         pass_gcse2): New.
12295         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12296         pass_postreload_cse): New.
12297         * profile.c (gate_handle_profiling, pass_profiling,
12298         rest_of_handle_branch_prob, pass_branch_prob): New.
12299         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12300         pass_split_before_regstack, gate_handle_split_before_regstack,
12301         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12302         rest_of_handle_split_all_insns, pass_split_all_insns): New.
12303         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12304         pass_stack_regs): New.
12305         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12306         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12307         pass_stack_adjustments): New.
12308         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12309         pass_regrename): New.
12310         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12311         pass_delay_slots, gate_handle_machine_reorg,
12312         rest_of_handle_machine_reorg, pass_machine_reorg): New.
12313         * rtl.h (extern void purge_line_number_notes): New.
12314         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12315         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12316         pass_sched2): New.
12317         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12318         pass_tracer): New.
12319         * value-prof.c (gate_handle_value_profile_transformations,
12320         rest_of_handle_value_profile_transformations,
12321         pass_value_profile_transformations): New.
12322         * var-tracking.c (gate_handle_var_tracking,
12323         pass_variable_tracking): New.
12324         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12325
12326         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12327         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12328         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12329         rest_of_handle_old_regalloc, rest_of_handle_regrename,
12330         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12331         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12332         rest_of_handle_gcse2, rest_of_handle_regmove,
12333         rest_of_handle_tracer, rest_of_handle_if_conversion,
12334         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12335         rest_of_handle_web, rest_of_handle_branch_prob,
12336         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12337         rest_of_handle_jump_bypass, rest_of_handle_combine,
12338         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12339         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12340         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12341         rest_of_handle_mode_switching, rest_of_handle_jump,
12342         rest_of_handle_eh, rest_of_handle_stack_adjustments,
12343         rest_of_handle_flow2, rest_of_handle_jump2,
12344         rest_of_handle_peephole2, rest_of_handle_postreload,
12345         rest_of_handle_shorten_branches, rest_of_clean_state,
12346         rest_of_compilation): Remove.
12347
12348         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12349         * passes.c (dump_flags, in_gimple_form, all_passes,
12350         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12351         register_dump_files, next_pass_1, last_verified, execute_todo,
12352         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12353         from tree-optimize.c.
12354         (init_optimization_passes): Moved from tree-optimize.c,
12355         adding the RTL optimizations.
12356         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12357         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12358         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12359         register_dump_files, next_pass_1, last_verified, execute_todo,
12360         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12361         init_tree_optimization_passes, ipa_passes): Delete.
12362         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12363         the RTL dumps.
12364         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12365         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12366         from tree.h.
12367         (ipa_passes): Remove.
12368         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12369         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12370         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12371         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12372         (dump_info_p, dump_flag): Moved to tree-dump.h.
12373
12374         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12375         cgraph.c, opts.c.
12376         * passes.c (finish_optimization_passes): Use dump_begin
12377         and dump_end, TDI_end.
12378         (gate_rest_of_compilation): New.
12379         (pass_rest_of_compilation): Use it.
12380         (gate_postreload, pass_postreload): New.
12381         * toplev.c (general_init): Rename init_tree_optimization_passes.
12382         * toplev.h (init_tree_optimization_passes): Rename to
12383         init_optimizations_passes.
12384         * tree-dump.c (dump_flag): Make static.
12385         (dump_files): Remove RTL dumps.
12386         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12387         pass_cleanup_cfg, pass_free_cfg_annotations,
12388         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12389         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12390         * tree-pretty-print.c: Include tree-pass.h.
12391         * cgraph.c: Include tree-dump.h.
12392
12393 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12394
12395         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12396         Only fall back to saying it points to readonly memory if
12397         we can't do better.
12398
12399 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12400
12401         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12402         * config/m32r/m32r.c (m32r_compute_frame_size,
12403         m32r_expand_prologue): Take current_function_profile into
12404         account whenever we reference
12405         current_function_uses_pic_offset_table.
12406         (m32r_finalize_pic): Remove.
12407         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12408
12409 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12410
12411         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12412         instead of $<.  Don't remove ./as if it already exists.
12413
12414 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12415
12416         PR target/21723
12417         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12418         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12419         for complex modes when generating code for PA 1.0.
12420         (VALID_FP_MODE_P): New macro.
12421         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12422         sets for all general and floating point modes.  Align wide floating
12423         point modes to even register boundaries to comply with architectural
12424         requirements.
12425         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12426         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12427         (VALID_FP_MODE_P): New macro.
12428         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12429         sets for all general and floating point modes.  Align wide floating
12430         point modes to even register boundaries to comply with architectural
12431         requirements.
12432
12433 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12434
12435         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12436         to 0.
12437
12438 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12439
12440         * tree-ssa-structalias.c: Don't include expr.h.
12441
12442 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12443
12444         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12445         comments.
12446
12447 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12448
12449         Fix PR tree-optimization/22279
12450
12451         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12452         correct operator.
12453
12454 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12455
12456         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12457
12458 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12459
12460         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12461         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12462         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12463         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12464         config/stormy16/stormy16.c, config/v850/v850.c,
12465         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12466         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12467         Avoid "." or "\n" at end of diagnostics and capital letters at
12468         start of diagnostics.
12469         * combine.c, cse.c: Don't translate dump file output.
12470         * toplev.c (print_version): Only translate output if going to
12471         stderr.
12472
12473 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12474
12475         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12476         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12477         typos.
12478
12479 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12480
12481         * pa.c (fix_range): Fix typo in comment.
12482
12483 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12484
12485         * tree-vrp.c (extract_range_from_assert): Replace
12486         fold (build (...)) with fold_build2.
12487
12488 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12489
12490         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12491         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12492         (format_types_orig, handle_format_attribute): Add support for
12493         format "gcc_gfc".
12494
12495 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12496
12497         * varasm.c (assemble_variable): Fix format specifier thinko.
12498
12499 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12500
12501         PR tree-optimization/22029 (and 22135)
12502         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12503         a phi node before calling dump_vops.
12504
12505 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12506
12507         * tree-dump.h (dump_string_field): Declare.
12508         * tree-dump.c: Use it instead of dump_string.
12509         (dump_string_field): Make non-static.
12510
12511 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12512
12513         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12514         up the minimal CFG stuff always when optimize > 0.  Call
12515         split_all_insns_noflow in PIC case if needed.
12516
12517 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12518             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12519
12520         PR c++/18279
12521         * c-decl.c (c_write_global_declarations): Dump contents of
12522         external scope to.
12523         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12524         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12525         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12526         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12527         is enabled.
12528
12529 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12530
12531         * c-common.h (GCC_DIAG_STYLE): Define.
12532         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12533         version for format checking to 4.1.
12534         * c-format.c: Include toplev.h after c-common.h.
12535         (enum format_type): Add gcc_tdiag_format_type.
12536         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12537         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12538         (format_types_orig): Add gcc_tdiag.
12539         (init_dynamic_diag_info): Support gcc_tdiag formats.
12540         (handle_format_attribute): Likewise.
12541         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12542         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12543         version for format checking to 4.1.
12544         (warning0, warning, error, pedwarn, sorry): Use
12545         ATTRIBUTE_GCC_DIAG.
12546         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12547         (finish_aliases_1): Do not use %qE.
12548         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12549         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12550         Correct format bugs.
12551         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12552         parameter to unsigned HOST_WIDE_INT.
12553         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12554
12555 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12556
12557         PR middle-end/21742
12558         * expr.c (write_complex_part): Use adjust_address for MEM.
12559         (read_complex_part): Same.
12560
12561 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12562
12563         Fix PR tree-optimization/22280
12564
12565         * tree-sra.c (generate_element_init): Remove useless loop.
12566
12567 2005-07-02  Richard Henderson  <rth@redhat.com>
12568
12569         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12570         TLS_MODEL_NONE.
12571         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12572
12573 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12574
12575         PR middle-end/14490
12576         * fold-const.c (fold_binary): Handle the return value of
12577         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12578         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12579
12580 2005-07-02  Jeff Law  <law@redhat.com>
12581
12582         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12583         a eliminate type conversion which feeds an equality comparison
12584         if the original type or either operand in the comparison is a
12585         function pointer.
12586
12587 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12588
12589         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12590         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12591         texts.
12592         * config/avr/avr.c: Do not use '`' as left quote.
12593         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12594         Remove "." from end of diagnostics.  Make diagnostics start with
12595         lowercase letter.
12596
12597 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12598             Joseph S. Myers  <joseph@codesourcery.com>
12599
12600         * toplev.c (default_tree_printer): Handle setting location with
12601         '+' flag.
12602         * c-objc.common.c (c_tree_printer): Likewise.
12603         * c-format.c (gcc_diag_flag_specs): Add '+'.
12604         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12605         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12606         formats.
12607         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12608         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12609         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12610         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12611         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12612         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12613         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12614         format arguments where %J is used without %D.
12615
12616 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12617
12618         * gcc.c (LINK_SSP_SPEC): Define.
12619         (link_ssp_spec): New variable.
12620         (LINK_COMMAND_SPEC): Add %(link_ssp).
12621         (static_specs): Add link_ssp_spec.
12622         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12623         * configure: Rebuilt.
12624         * config.in: Rebuilt.
12625
12626         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12627         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12628         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12629         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12630         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12631         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12632         -0x7008(2) instead of reading __stack_chk_guard variable.
12633         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12634         number.
12635         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12636         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12637         if TARGET_THREAD_SSP_OFFSET is defined.
12638         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12639         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12640
12641         Revert:
12642         2005-06-27  Richard Henderson  <rth@redhat.com>
12643         * libgcc-std.ver (GCC_4.1.0): New.
12644         * libgcc.h (__stack_chk_guard): Declare.
12645         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12646         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12647         * mklibgcc.in (lib2funcs): Add them.
12648
12649 2005-07-01  Richard Henderson  <rth@redhat.com>
12650
12651         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12652         void * before struct sigcontext *.
12653         (x86_fallback_frame_state): Likewise.
12654
12655 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12656
12657         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12658
12659 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12660
12661         PR tree-opt/22269
12662         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12663         we check for SSA_NAME for.
12664
12665 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12666
12667         Fix PR tree-optimization/22071
12668
12669         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12670         function.
12671         (get_constraint_for_component_ref): Use it.
12672
12673 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12674
12675         PR other/22264
12676         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12677         print out the last new line.
12678
12679 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12680
12681         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12682         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12683         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12684         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12685         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12686         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12687         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12688         (enum reg_class): New member CC0_REGS.
12689         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12690         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12691         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12692         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12693         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12694         Adjust for register now described.
12695
12696 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12697
12698         PR target/22262
12699         * config/i386/i386.md (stack_protect_test_si,
12700         stack_protect_test_di): Add earlyclobber for scratch 3.
12701         * config/rs6000/rs6000.md (stack_protect_testsi,
12702         stack_protect_testdi): Add earlyclobber for scratch 3,
12703         remove earlyclobber from scratch 4.
12704
12705 Older entries for 2005 can be found in ChangeLog-2005.