OSDN Git Service

2db3153e9109dfdb8348542068d4508b7ed9cff1
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-21  Steven Bosscher  <stevenb@suse.de>
2
3         PR rtl-optimization/25130
4         * postreload-gcse.c (record_last_set_info): Notice stack pointer
5         changes in push insns without REG_INC notes.
6
7 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
8
9         PR tree-optimization/25382.
10         * tree-vrp.c (extract_range_from_binary_expr): Extract a range
11         from BIT_AND_EXPR.
12
13 2005-12-21  Janis Johnson  <janis187@us.ibm.com>
14             Ben Elliston  <bje@au.ibm.com>
15
16         * configure.ac: Enable C extension for decimal float if invoked
17         with --enable-decimal-float.
18         * doc/install.texi (Configuration): Document it.
19         * configure, config.in: Regenerate.
20
21 2005-12-20  Mike Stump  <mrs@apple.com>
22
23         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
24         ambiguity between -seg_addr_table and -seg_addr_table_filename.
25         (WORD_SWITCH_TAKES_ARG): Likewise.
26         (LINK_SPEC): Likewise.
27
28 2005-12-20  Kenneth Zadeck <zadeck@naturalbridge.com>
29
30         * cfganal.c (flow_reverse_top_sort_order_compute):
31         Renamed to post_order_compute and additional parameter added which
32         allows the inclusion of entry and exit blocks into list.
33         (mark_dfs_back_edges): Fixed comment.
34         (flow_depth_first_order_compute): Renamed to
35         pre_and_rev_post_order_compute additional parameter added which
36         allows the inclusion of entry and exit blocks into list.
37         * global.c (set_up_bb_rts_numbers): Call to
38         flow_reverse_top_sort_order_compute renamed to
39         post_order_compute.
40         * var-tracking.c (vt_stack_adjustments): Fixed comment.
41         (vt_find_locations): Call to
42         flow_depth_first_order_compute renamed to
43         pre_and_rev_post_order_compute.
44         * cfgloop.c (flow_find_loops): Ditto.
45         * tree-ssa-reassoc.c (init_reassoc): Ditto.
46         * df.c (df_analyze_1, df_analyze_subcfg): Calls to
47         flow_reverse_top_sort_order_compute renamed to post_order_compute
48         and calls to flow_reverse_top_sort_order_compute renamed to
49         post_order_compute.
50         * basic_block.h: Ditto.
51
52
53 2005-12-20  Roger Sayle  <roger@eyesopen.com>
54             Paolo Bonzini  <bonzini@gnu.org>
55
56         PR rtl-optimization/25115
57         * gcse.c (pre_insert_copy_insn): Fall back to the sole
58         SET in the insn if there is no SET for an
59         expression that is equivalent to EXPR.
60
61 2005-12-20  Richard Guenther  <rguenther@suse.de>
62
63         PR middle-end/24306
64         * builtins.c (std_gimplify_va_arg_expr): Do not align
65         va frame for zero sized types.
66         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
67
68 2005-12-20  Kazu Hirata  <kazu@codesourcery.com>
69
70         PR tree-optimization/25501
71         * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
72         used in the PHI argument corresponding to the edge from BB to
73         DEST.
74
75 2005-12-20  Richard Guenther  <rguenther@suse.de>
76
77         Revert
78         2005-12-02  Richard Guenther  <rguenther@suse.de>
79
80         * tree-cfg.c (mark_used_vars): New function.
81         (dump_function_to_file): Dump only used VAR_DECLs.
82
83 2005-12-19  Roger Sayle  <roger@eyesopen.com>
84
85         * combine.c (try_combine): Improve splitting of binary operators
86         by taking advantage of reassociative transformations.
87
88 2005-12-19  Jeff Law  <law@redhat.com>
89
90         * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
91         Strip away all type conversions after simplifying the
92         condition.
93
94         * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
95         cases the forwarder block dominates the destination.
96
97 2005-12-19  DJ Delorie  <dj@redhat.com>
98
99         * reload1.c (spill_failure): Dump reload data to dump file.
100         (find_reload_regs): Likewise.
101
102 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
103
104         PR tree-optimization/24793
105         * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
106         original reference if there are subvars.
107         * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
108
109 2005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>
110
111         * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
112         Corrected basic block number calculations for changes in entry and
113         exit numbering.
114         
115 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
116
117         * tree-flow.h (struct var_ann_d): Change type of
118         may_aliases field to VEC(tree, gc) *.
119         (may_aliases): Declaration changed.
120         * tree-ssa-alias.c (group_aliases, add_may_alias,
121         replace_may_alias, dump_may_aliases_for,
122         is_aliased_with, add_type_alias, new_type_alias):
123         Work with VEC(tree, gc) * instead of varray.
124         * tree-flow-inline.h (may_aliases): Ditto.
125         * tree-ssa.c (verify_flow_insensitive_alias_info,
126         verify_name_tags): Ditto.
127         * tree-ssa-operands.c (add_stmt_operand): Ditto.
128
129 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
130
131         * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
132         comes back.
133
134 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
135
136         * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
137         check.
138
139 2005-12-19  Ben Elliston  <bje@au.ibm.com>
140
141         * doc/install.texi (Configuration): Typo in Fortran subheading.
142
143 2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>
144
145         * config/mt/mt.md (decrement_and_branch_until_zero): Add another
146         scratch.  Correct its reload split. Adjust its peephole.
147         (doloop_end): Add additional scratch.
148         (nop): Use 'nop'.
149         * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
150         (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
151         (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
152         (mt_builtin_saveregs): Replace with ...
153         (mt_setup_incoming_varargs): ... here.  Save just the varadic
154         args.
155         (mt_va_start): Remove.
156         (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
157         (mt_machine_reorg): Split all insns here.
158         (TARGET_SETUP_INCOMING_VARARGS): Override.
159         * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
160         Set to CPU type.
161         (EXPAND_BUILTIN_VA_START): Remove.
162
163 2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
164
165         * flow.c (update_life_info, count_or_remove_death_notes): Fixed
166         latent bug that could happen if update_life_info was called with a
167         blocks parameter and the call to cleanup_cfg actually deleted one
168         of those blocks. 
169
170 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
171
172         * tree-ssa-structalias.c (update_alias_info): Remove handling
173         of may_be_aliased (SSA_NAME_VAR (op)) case.
174
175 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
176
177         * tree-flow.h (struct stmt_ann_d): Remove
178         makes_aliased_loads and makes_aliased_stores fields.
179         * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
180         and makes_aliased_loads fields.
181         * tree-ssa-dom.c (eliminate_redundant_computations): Do not
182         use makes_aliased_stores.
183         * tree-ssa-operands.c (clobbered_aliased_loads,
184         clobbered_aliased_stores, ro_call_aliased_loads): Removed.
185         (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
186         add_call_read_ops): Do not set makes_aliased_stores and
187         makes_aliased_loads fields.
188         * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
189         field.
190
191 2005-12-18  Geoffrey Keating  <geoffk@apple.com>
192
193         * config/darwin.h: Don't include darwin-sections.def to declare
194         global variables; instead create darwin_section_enum.
195         (darwin_section_enum): New.
196         (darwin_sections): New.
197         * config/darwin.c: Don't include darwin-sections.def to define
198         global variables.
199         (darwin_sections): New.
200         (output_objc_section_asm_op): Rewrite to take advantage of
201         darwin_sections.
202         (darwin_init_sections): Rewrite to use darwin_sections.
203         (machopic_output_indirection): Update for darwin_sections array.
204         (machopic_select_section): Likewise.
205         (machopic_select_rtx_section): Likewise.
206         (machopic_asm_out_constructor): Likewise.
207         (machopic_asm_out_destructor): Likewise.
208         (darwin_file_end): Likewise.
209         * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
210         * config/i386/i386.c (machopic_output_stub): Likewise.
211
212 2005-12-18  Richard Guenther  <rguenther@suse.de>
213
214         PR tree-optimization/25481
215         * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
216         don't have a varinfo for.
217
218 2005-12-18  Jon Grimm  <jgrimm2@us.ibm.com>
219             Janis Johnson  <janis187@us.ibm.com>
220             Ben Elliston  <bje@au.ibm.com>
221
222         * optabs.c (init_floating_libfuncs): Handle decimal float modes.
223         (init_optabs): Handle libfuncs for decimal float.
224         * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
225         * stor-layout.c (int_mode_for_mode): Likewise.
226         * simplify-rtx.c (simplify_immed_subreg): Likewise.
227         (simplify_unary_operation_1): Skip optimisations for decimal float
228         modes.
229         * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
230         * emit-rtl.c (gen_const_vector): Add assertion check.
231         (init_emit_once): Populate const_tiny_rtx with constants in each
232         decimal float mode.
233         * expmed.c (extract_high_half, expand_mult_highpart_optab,
234         expand_mult_highpart): Assert that mode is not a scalar float
235         mode.
236         * expr.c (convert_move): Handle conversion between decimal and
237         binary floats of the same size.
238         * convert.c (convert_to_real): Consider decimal float types when
239         folding.
240         * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
241         describe decimal floating point types.
242         
243 2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
244
245         PR rtl-optimization/21041
246         * reload.c (find_reloads_subreg_address): Replace paradoxical
247         subreg of MEM by widened access only if the resulting memory
248         is properly aligned, even on !STRICT_ALIGNMENT targets.
249
250 2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
251
252         * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
253
254 2005-12-18  Steven Bosscher  <stevenb@suse.de>
255
256         * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
257         the 2005-12-17 patch to renumber the entry and exit blocks.
258
259 2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
260
261         * doc/objc.texi (Type encoding): Fix typo.
262
263 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
264
265         * tree-tailcall.c (find_tail_calls): Use XNEW.
266         * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
267         (free_all_edge_infos): Use explicit cast to convert from void *.
268         (vrp_free): Likewise.
269         (dom_opt_finalize_block): Likewise.
270         (record_equivalences_from_incoming_edge): Likewise.
271         (thread_across_edge): Likewise.  Use XCNEWVEC.
272         (record_cond): Use XCNEW.
273         (record_conditions): Use XNEWVEC.
274         (record_edge_info): Use XCNEWVEC.
275         (lookup_avail_expr): Use XNEW.
276         (record_range): Likewise.  Use GGC_NEW.
277         * tree-nested.c (var_map_hash): Use explicit cast to convert from
278         void *.
279         (var_map_eq): Likewise.
280         (lookup_field_for_decl): Likewise.
281         (convert_nonlocal_reference): Likewise.
282         (convert_local_reference): Likewise.
283         (convert_nl_goto_reference): Likewise.
284         (convert_nl_goto_receiver): Likewise.
285         (convert_call_expr): Likewise.
286         (convert_tramp_reference): Likewise.
287         (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
288         (convert_nl_goto_reference): Likewise.
289         (lookup_field_for_decl): Use GGC_NEW.
290         (create_nesting_tree): Use GGC_CNEW.
291         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
292         * tree-ssa-alias.c (init_alias_info): Use XCNEW.
293         (create_alias_map_for): Likewise.
294         (setup_pointers_and_addressables): Use XCNEWVEC.
295         (get_ptr_info): Use GGC_NEW.
296         (used_part_map_eq): Use explicit cast to convert from void *.
297         (up_lookup): Likewise.
298         (up_insert): Use XNEW.
299         (get_or_create_used_part_for): Use XCNEW.
300         (get_tmt_for): Likewise.
301         * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
302         * tree-ssa-pre.c (phi_trans_add): Use XNEW.
303         (bitmap_set_new): Use explicit cast to convert from void *.
304         (set_new): Likewise.
305         (insert_into_set): Likewise.
306         (pool_copy_list): Likewise.
307         (phi_translate): Likewise.
308         (create_value_expr_from): Likewise.
309         (insert_aux): Use XCNEWVEC.
310         (compute_avail): Use XNEWVEC.
311         * tree-ssa-live.c (calculate_live_on_entry): Likewise.
312         (sort_coalesce_list): Likewise.
313         (build_tree_conflict_graph): Use XCNEWVEC.
314         * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
315         * tree-ssa-copy.c (init_copy_prop): Likewise.
316         (fini_copy_prop): Likewise.
317         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
318         and XCNEWVEC.
319         (record_equiv): Use XNEW.
320         (uncprop_into_successor_phis): Use explicit cast to convert from
321         void *.
322         (uncprop_initialize_block): Likewise.
323
324 2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
325
326         PR tree-optimization/24378      
327         * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
328         basic-block after loop-versioning. 
329
330 2005-12-18  Jeff Law  <law@redhat.com>
331
332         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
333         to simplify SWITCH_EXPR_CODE moved from here to ...
334         * tree-ssa-forwprop.c (simplify_switch_expr): Here.
335         (tree-ssa-forward_propagate_single_use_vars): Call
336         simplify_switch_expr when appropriate.
337
338 2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
339
340         * doc/objc.texi (Type encoding): Add documentation about encoding
341         complex types and _Bool.
342
343 2005-12-17  Paul Brook  <paul@codesourcery.com>
344
345         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
346         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
347         when frame_pointer_needed. 
348
349 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
350
351         * tree-vn.c (vn_add): Use XNEW.
352         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
353         (ccp_fold): Likewise.
354         (fold_stmt_r): Use explicit cast to convert from void *.
355         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
356         (new_temp_expr_table): Likewise.
357         * gimplify.c (lookup_tmp_var): Use XNEW.
358         (gimplify_asm_expr): Use explcit cast to convert from void *.
359         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
360         (get_def_blocks_for): Use XNEW.
361         (add_to_repl_tbl): Likewise.
362         (mark_def_sites): Use explicit cast to convert from void *.
363         (def_blocks_free): Likewise.
364         (mark_def_sites_initialize_block): Likewise.
365         (update_ssa): Use XNEWVEC.
366         * tree-dfa.c (create_var_ann): Use GGC_NEW.
367         (create_stmt_ann): Likewise.
368         (create_tree_ann): Likewise.
369         (referenced_var_insert): Likewise.
370         (set_default_def): Likewise.
371         (referenced_var_lookup_if_exists): Use explicit cast to convert
372         from void *.
373         (referenced_var_lookup): Likewise.
374         (default_def): Likewise.
375         (set_default_def): Likewise.
376         * tree-cfg.c (create_bb): Likewise.
377         (edge_to_cases_cleanup): Likewise.
378         (verify_node_sharing): Likewise.
379         (record_switch_edge): Use XNEW.
380         (cleanup_dead_labels): Use XCNEWVEC.
381         (tree_duplicate_sese_region): Use XNEWVEC.
382         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
383         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
384         (int_tree_map_eq): Use explicit cast to convert from void *.
385         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
386         (__gcov_execl): Likewise.
387         (__gcov_execlp): Likewise.
388         (__gcov_execle): Likewise.
389         * tree-eh.c (struct_ptr_eq): Likewise.
390         (struct_ptr_hash): Likewise.
391         (lookup_stmt_eh_region_fn): Likewise.
392         (outside_finally_tree): Likewise.
393         (find_goto_replacement): Likewise.
394         (make_eh_edge): Likewise.
395         (mark_eh_edge): Likewise.
396         (add_stmt_to_eh_region_fn): Use GGC_NEW.
397         (record_in_finally_tree): Use XNEW.
398         (maybe_record_in_goto_queue): Use XRESIZEVEC.
399         (lower_try_finally_copy): Use XCNEWVEC.
400
401 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
402
403         * tree-inline.c (copy_body_r): Use explicit cast when converting
404         from void *.
405         (copy_bb): Likewise.
406         (copy_edges_for_bb): Likewise.
407         (remap_decl_1): Likewise.
408         (estimate_num_insns_1): Likewise.
409         * cgraph.c (hash_node): Use explicit cast when converting from
410         void *.
411         (eq_node): Likewise.
412         (cgraph_create_node): Use GGC_CNEW.
413         (cgraph_create_edge): Use GGC_NEW.
414         (cgraph_remove_node): Use explicit cast when converting from void *.
415         (hash_varpool_node): Likewise.
416         (eq_varpool_node): Likewise.
417         (cgraph_varpool_node): Use GGC_CNEW.
418         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
419         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
420         (eq_scev_info): Use explicit cast when converting from void *.
421         (find_var_scev_info): Likewise.
422         (set_instantiated_value): Likewise.
423         (gather_stats_on_scev_database_1): Likewise.
424         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
425         from void *.
426         * c-pch.c (c_common_write_pch): Use XNEWVEC.
427         (c_common_read_pch): Likewise.
428         * prefix.c (save_string): Use XNEWVEC.
429         (translate_name): Use explicit cast when converting from void *.
430         * c-ppoutput.c (print_line): Use explicit cast when converting
431         from void *.
432         (pp_dir_change): Likewise.
433         * c-cppbuiltin.c (builtin_define_std): Likewise.
434         (builtin_define_with_value): Likewise.
435         (builtin_define_with_value_n): Likewise.
436         (builtin_define_with_int_value): Likewise.
437         (builtin_define_type_max): Likewise.
438         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
439         (add_path): Use XNEW.
440         * c-format.c (check_format_info_main): Use GGC_NEW.
441         (format_type_warning): Use explicit cast when converting from void *.
442         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
443         xmalloc. 
444         (start_init): Likewise.
445         * tree-flow-inline.h (first_referenced_var): Use explicit cast
446         when converting from void *.
447         (next_referenced_var): Likewise.
448         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
449         * gensupport.c (lookup_predicate): Use explicit cast to convert
450         from void *.
451         (init_predicate_table): Use XCNEW instead of xcalloc.
452         * genpreds.c (process_define_predicate): Likewise.
453
454 2005-12-17  Danny Berlin <dberlin@dberlin.org>
455             Kenneth Zadeck <zadeck@naturalbridge.com>
456
457         * basic-block.h: Changed basic block numbering so that the entry
458         block is 0 and the exit block is 1.  Changed insn iterators so
459         that they are tolerant of blocks with no insns.
460         * regrename.c (copyprop_hardreg_forward): Changed basic block
461         numbering so that the entry block is 0 and the exit block is 1.
462         * sched-ebb.c (sehedule_ebbs): Ditto.
463         * tracer.c (branch_ratio_cutoff): Ditto.
464         * cfgloopmanip.c (fix_loop_structure): Ditto.
465         * cfghooks.c (verify_flow_info): Ditto.
466         * cfg.c (compact_blocks): Ditto.
467         * reorg.c (dbr_schedule): Ditto.
468         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
469         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
470         calculate_dominance_info): Ditto.
471         * cfganal.c (create_edge_list, print_edge_list,
472         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
473         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
474         dfs_enumerate_from): Ditto.
475         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
476         * ifcvt.c (find_if_case_2): Ditto.
477         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
478         find_basic_blocks): Ditto.
479         * predict.c (predict_loops, tree_bb_level_predictions,
480         predict_paths_leading_to, propagate_freq): Ditto.
481         * lcm.c (compute_antinout_edge, compute_laterin,
482         compute_available): Ditto.
483         * function.c (thread_prologue_and_epilogue_insns): Ditto.
484         * gcse.c (gcse_main, bypass_jumps): Ditto.
485         * profile.c (compute_branch_probabilities,
486         compute_value_histograms, branch_prob): Ditto.
487         * tree-flow-inline.h (bsi_start, bsi_after_labels,
488         bsi_last): Ditto.
489         * tree-ssa-phiopt.c (tree_ssa_phiopt,
490         blocks_in_phiopt_order): Ditto.
491         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
492         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
493         * tree-dfa.c (collect_dfa_stats): Ditto.
494         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
495         * cfglayout.c (fixup_reorder_chain): Ditto.
496         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
497         partition_hot_cold_basic_blocks): Ditto.
498         * var-tracking.c (vt_find_locations): Ditto.
499         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
500         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
501         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
502         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
503         * tree-ssa-reassoc.c (init_reassoc): Ditto.
504         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
505         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
506         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
507         and removed unused reverse orders.
508         * df.h (): Ditto.
509         * combine.c: Fix document typo.
510
511 2005-12-17  Jan Hubicka  <jh@suse.cz>
512
513         * tree-flow-inline.h (set_default_def, default_def): Kill.
514         * tree-dfa.c (default_defs): New global variable.
515         (default_def, set_default_def): New functions.
516         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
517         * tree-flow.h (struct var_ann_d): Kill default_def field.
518         (set_default_def, default_def): Update prototype.
519         (default_defs): Declare.
520
521 2005-12-16  Jeff Law  <law@redhat.com>
522
523         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
524         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
525         into tree-ssa-forwprop.c.
526         (eliminate_redundant_computations): Do not call
527         simplify_rhs_and_lookup_avail_expr anymore.
528         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
529         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
530         (tree_ssa_forward_propagate_single_use_vars): Call
531         simplify_not_neg_expr appropriately.
532
533 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
534
535         PR target/20016
536         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
537
538 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
539
540         PR rtl-optimization/25456
541         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
542         info->x_start with p->x_start.
543
544 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
545
546         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
547         introduced 2005-12-16.
548
549 2005-12-16  Steven Bosscher  <stevenb@suse.de>
550
551         PR rtl-optimization/23837
552         * optabs.c (expand_binop): For a multi-word rotate, never emit
553         a REG_NO_CONFLICT block.
554
555 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
556
557         PR middle-end/25457
558         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
559
560         PR target/25447
561         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
562         MODE_DECIMAL_FLOAT.
563
564 2005-12-16  Steven Bosscher  <stevenb@suse.de>
565
566         * loop-invariant.c (move_loop_invariants): Add missing hunk from
567         the previous patch, to nullify df.
568
569 2005-12-16  Steven Bosscher  <stevenb@suse.de>
570
571         * reorg.c (mostly_true_jump): Clean up code depending on
572         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
573         poor man's branch prediction, instead rely on REG_BR_PROB
574         notes to be available.
575
576 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
577
578         PR rtl-optimization/24899
579         * loop.c (strength_reduce): Don't reduce giv that is not always
580         computable and where add_val or mult_val can trap.
581
582         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
583
584 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
585
586         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
587         names of ms1-16-002 files.
588
589 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
590
591         PR driver/20425
592         * gcc.c (for_each_path): New function.
593         (add_to_obstack, file_at_path): New functions.
594         (struct file_at_path_info, struct add_to_obstack_info): New.
595         (build_search_list): Rewrite using for_each_path.  Constify struct
596         path_prefix pointer.  Add do_multi param.  Adjust all callers.
597         (find_a_file): Similarly, but just change existing param to bool.
598         (putenv_from_prefixes): Add do_multi param, make "paths" const.
599         (do_spec_path): Delete.
600         (struct spec_path_info): New.
601         (spec_path): New function.
602         (do_spec_1): Use for_each_path for %D and %I.
603         (find_file): Adjust for find_a_file changes.
604         (main): Search multilibs for specs.  Print multilib lib path for
605         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
606         (read_specs): Search multilibs for %include and %include_noerr.
607         (is_directory): Remove second string param.  Change last param
608         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
609         check path is a dir.  Update all callers.
610         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
611         * system.h (SMALL_ARG_MAX): Poison.
612         * config.gcc: Don't define SMALL_ARG_MAX.
613         * config.host: Likewise.
614         * config.build: Likewise.
615
616 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
617
618         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
619         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
620         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
621         simplify_logical): Move simplifications that do not require
622         additional infrastructure...
623         * simplify-rtx.c (simplify_unary_operation_1,
624         simplify_binary_operation_1): ... here.
625
626 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
627
628         PR 24823
629         * flow.c (mark_used_dest_regs): New function.
630         (mark_used_regs): Call mark_used_dest_regs.
631
632 2005-12-16  Jeff Law  <law@redhat.com>
633
634         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
635         represent a use and definition of the same SSA_NAME.
636
637 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
638             Janis Johnson  <janis187@us.ibm.com>
639             Ben Elliston  <bje@au.ibm.com>
640
641         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
642         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
643         * target.h (struct gcc_target): Add decimal_float_supported_p.
644         * targhooks.c (default_scalar_mode_supported_p): Handle
645         MODE_DECIMAL_FLOAT.
646         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
647         of inf, nan, finite, isinf and isnan.
648         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
649         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
650         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
651         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
652         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
653         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
654         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
655         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
656         Pedwarn if decimal floating point types are used.  Error if
657         decimal floating point is not supported by the target.
658         (finish_declspecs): Return type from DFP typespec_word.
659         * c-typeck.c (c_common_type): Choose the decimal floating point
660         type with the greater precision when determining a common type.
661         (convert_arguments): Warn if there is a mismatch between argument
662         and prototype for decimal float types.  Warn of conversions with
663         binary float types and of precision narrowing due to prototype.
664         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
665         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
666         (c_token_starts_declspecs): Likewise.
667         (c_parser_attributes): Likewise.
668         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
669         RID_DFLOAT64, RID_DFLOAT128.
670         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
671         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
672         (shorten_compare): Convert DFP/BFP operands to a common type.
673         (c_common_modes_and_builtins): Register built-in decimal float
674         types if the target supports them.
675         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
676         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
677         inf, nan, finite, isinf and isnan builtins.
678         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
679         (builtin_define_float_constants): Assert non-decimal radix.
680         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
681         Call builtin_define_decimal_float_constants for each type.
682         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
683         flags.  Use real_from_string3, which can handle binary or decimal
684         floats.
685         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
686         cts_dfloat64, cts_dfloat128.
687         * tree.c (build_common_tree_nodes_2): Add decimal float types.
688         * tree.h (enum tree_index): Add new enumeration values
689         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
690         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
691         (dfloat32_type_node): New macro.
692         (dfloat64_type_node, dfloat128_type_node): Likewise.
693         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
694         (dfloat128_ptr_type_node): Likewise.
695         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
696         bit decimal floating point types with "df", "dd" and "dl".
697         * c-format.h (enum format_lengths): Add new enumeration values
698         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
699         * c-format.c (printf_length_specs, scanf_length_specs): Add
700         entries for H, D, DD.
701         (print_char_table, scan_char_table): Use new entries.
702         (asm_fprintf_char_table, gcc_diag_char_table,
703         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
704         length arrays.
705         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
706         (DECIMAL64_TYPE_SIZE): Likewise.
707         (DECIMAL128_TYPE_SIZE): Likewise.
708         (TARGET_DEC_EVAL_METHOD): Likewise.
709         * doc/extend.texi (Decimal Float): New node.
710         (Constructing Calls): Document decimal float built-ins.
711         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
712         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
713         * ginclude/decfloat.h: New file.
714
715 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
716
717         * reload.c (find_reloads): Fix comment typo.
718         * recog.h (recog_memoized): Correct comment.
719
720 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
721
722         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
723         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
724         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
725         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
726         * doc/invoke.texi, doc/tm.texi: Fix typos.
727
728 2005-12-16  Ben Elliston  <bje@au.ibm.com>
729
730         * real.c (decimal_quad_format): Correct values for emin, emax.
731
732 2005-12-15  DJ Delorie  <dj@redhat.com>
733
734         * config/m32c/predicates.md (m32c_psi_scale): New.
735         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
736         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
737
738 2005-12-16  Jan Hubicka  <jh@suse.cz>
739
740         PR rtl-optimization/25224
741         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
742         tables.
743
744 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
745             Steven Bosscher <stevenb@suse.de>
746
747         * loop-invariant.c (df): New global variable.
748         (find_defs, check_dependencies, find_invariant_insn, record_uses,
749         find_invariants_bb, find_invariants_body, find_invariants,
750         find_invariants_to_move, move_invariants, free_inv_motion_data,
751         move_single_loop_invariants, move_loop_invariants): Do not pass df in
752         arguments.
753
754 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
755
756         * varasm.c (default_unique_section_1): Use special section
757         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
758
759 2005-12-16  Ben Elliston  <bje@au.ibm.com>
760
761         * doc/invoke.texi (Warning Options): Document -Walways-true being
762         enabled by -Wall.
763
764 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
765
766         PR other/25028
767         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
768         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
769         __floatunditf): Use #error if type sizes don't match requirements
770         of implementation.
771         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
772         as wider floating-point type.  Use #error if type sizes don't
773         match requirements of implementation.  Avoid overflow in computing
774         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
775         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
776         (__floatundisf, __floatundidf): Likewise.
777         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
778         * config/ia64/ia64.c (ia64_init_libfuncs): Use
779         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
780         TFmode-TImode conversions.
781         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
782
783 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
784
785         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
786         Use builtin_define_with_int_value() instead of
787         adding a new check for every new major FreeBSD version.
788
789 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
790
791         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
792
793 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
794
795         * config/arm/predicates.md (call_memory_operand): New.
796         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
797
798 2005-12-15  Andrew Haley  <aph@redhat.com>
799
800         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
801         against prev_cache_entry == NULL when moving a cache entry to the
802         head of the list.
803         
804 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
805
806         * config/mt/mt.c (mt_override_options): Require lower case
807         architectures.  Revert accidental default to ms2.
808         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
809         ENDFILE_SPEC): Require lower case architectures.  Revert default
810         to ms2.
811
812         * doc/invoke.texi (MT Options): Rename and update.
813         * doc/md.texi (MorphoTech family): Rename and update.
814
815 2005-12-15  Olivier Hainque  <hainque@adacore.com>
816
817         * stor-layout.c (layout_type): Don't complain about a too small
818         an array element type size compared to its alignment when the
819         size overflows.
820
821 2005-12-15  Jan Hubicka  <jh@suse.cz>
822
823         PR target/24969
824         * i386.c (classify_argument): Properly adjust offset of bitfield for
825         substructures.
826
827 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
828
829         * final.c (final_scan_insn): Flip in_cold_section_p when changing
830         between the hot and cold sections.  Use current_function_section
831         to get the new section.
832         * dwarf2out.c (output_line_info): Use in_cold_section_p to
833         determine whether we are assembling hot or cold code.
834         (secname_for_decl, dwarf2out_var_location): Likewise.
835         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
836         * varasm.c (last_text_section): Delete.
837         (in_cold_section_p): New variable.
838         (hot_function_section): New function.
839         (current_function_section): Pass in_cold_section_p as the
840         reloc argument to select_section.  Use it to decide between
841         unlikely_function_section and hot_function_section.
842         (assemble_start_function): Use switch_to_section.  Set
843         in_cold_section_p instead of last_text_section.
844         (assemble_end_function): Use switch_to_section.
845         (switch_to_section): Don't set last_text_section.
846         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
847         argument to make the right choice between hot and cold sections.
848
849 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
850
851         Second part of MS1->MT renaming
852         * config/mt/mt.md (doloop_end): Call mt_add_loop.
853         (movqi, movhi): Call mt_set_memflags.
854         (*movdf_internal): Call mt_split_words. 
855         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
856         mt_set_memflags.
857         (cmpsi): Store to mt_compare_op[01].
858         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
859         bungt, bunle, bunlt): Call mt_emit_cbranch.
860         (prologue): Call mt_expand_prologue.
861         (epilogu): Call mt_expend_epilogue.
862         (eh_return): Call mt_expand_eh_return.
863         (eh_epilogue): Call me_emit_eh_epilogue.
864         (conditional_trap): Store to mt_compare_op[01].
865         * config/mt/crti.asm: Adjust comment.
866         * config/mt/crtn.asm: Adjust comment.
867         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
868         (mt_compare_op0, mt_compare_op1): Renamed.
869         (current_frame_info, zero_frame_info): Adjust type.
870         (mt_ucmpsi3_libcall): Renamed.
871         (mt_flag_delayed_branch): Renamed.
872         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
873         (mt_nops_required, mt_nop_reasons): Renamed.
874         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
875         mt_debug_stack, mt_print_operand_simple_address,
876         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
877         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
878         mt_function_arg_advance, mt_arg_partial_bytes,
879         mt_pass_by_reference, mt_function_arg_boundary,
880         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
881         mt_legitimate_address_p): Renamed, adjusted.
882         (mt_cpu): Renamed.
883         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
884         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
885         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
886         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
887         mt_expand_eh_return, mt_emit_eh_prologue,
888         mt_handl_interrupt_attribute): Renamed, adjusted.
889         (mt_attribute_table): Renamed, adjusted.
890         (mt_initial_elimination_offset, mt_generate_compare,
891         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
892         mt_secondary_reload_class, mt_function_value, mt_split_words,
893         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
894         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
895         (mt_labels): Renamed.
896         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
897         mt_machine_reorg): Renamed, adjusted.
898         (mt_attribute_table: Renamed.
899         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
900         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
901         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
902         * config/mt/mt.opt (march): Set mt_cpu_string.
903         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
904         (TARGET_CPU_CPP_BUILTINS): Adjust.
905         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
906         TARGET_MS2): Adjust.
907         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
908         (MT_MIN_INT): Renamed.
909         (RETURN_ADDR_RTX): Adjust.
910         (struct mt_frame_info): Renamed.
911         (current_frame_info): Adjust type.
912         (INITIAL_ELIMINATION_OFFSET): Adjust.
913         (MT_NUM_ARG_REGS): Renamed.
914         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
915         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
916         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
917         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
918         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
919         (mt_compare_op0, mt_compare_op1): Renamed.
920         * config/mt/mt-protos.h: Rename prototypes.
921
922 2005-12-15  Richard Guenther  <rguenther@suse.de>
923
924         * tree-flow.h (okay_component_ref_for_subvars): Remove.
925         (get_ref_base_and_extent): Declare.
926         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
927         (get_ref_base_and_extent): New function.
928         * tree-ssa-alias.c (find_used_portions): Use it.
929         * tree-ssa-structalias.c (get_constraint_for_component_ref):
930         Likewise.
931         * tree-ssa-operands.c (get_expr_operands): Likewise.
932
933 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
934
935         * combine.c: Remove force_to_mode's fourth parameter.
936         (force_to_mode): Do not handle REG.
937         (canon_reg_for_combine): New.
938         (make_field_assignment): Use it where the removed argument was non-NULL.
939
940 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
941
942         PR target/25406
943         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
944         error_mark_node.  Make alignment params unsigned.
945         * config/rs6000/rs6000-protos.h
946         (rs6000_special_round_type_align): Update prototype.
947         (rs6000_machopic_legitimize_pic_address): Remove arg names.
948
949 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
950
951         PR rtl-optimization/25310
952         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
953         of the eliminable register when substituting into a PLUS.
954
955 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
956
957         PR debug/25023
958         * config/i386/i386.c (ix86_force_to_memory): Always use
959         SImode push for HImode in -m32.
960         (ix86_free_from_memory): Likewise.
961
962 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
963
964         * gcc/config/arm/arm.md: Provide a big-endian version of the
965         (zero_extend:SI (subreg:QI ...)) splitter.
966
967 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
968
969         * struct-equiv.c (note_local_live): Handle hard regs with different
970         hard_regno_nregs.
971
972 2005-12-14  Jeff Law  <law@redhat.com>
973
974         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
975         to a structure containing state rather than a pointer to bool.
976         (case ARRAY_REF): New code to handle folding some array references.
977         (case ADDR_EXPR): Note when we are processing expressions found
978         within an ADDRE_EXPR.
979         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
980         for state variables rather than just a pointer to a boolean.
981         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
982         handling of constant string references.
983
984 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
985
986         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
987         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
988         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
989         Move other tst* patterns to retain partial order.
990
991 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
992
993         * config/s390/s390.md ("d0", "1"): New mode attributes.
994         ("<shift>di3", "<shift>si3"): Merge.
995         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
996         ("ashrdi3", "ashrsi3"): Merge.
997         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
998         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
999         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1000         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1001         ("*ashrdi3", "*ashrsi3"): Merge.
1002         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1003
1004 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1005
1006         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1007         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1008         ("*extendqidi2", "*extendqisi2") Merge.
1009         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1010         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1011         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1012         Move some patterns to retain partial ordering.
1013
1014 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1015
1016         * config/s390/s390.md ("atype", "length"): Rewrite.
1017         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1018
1019 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1020
1021         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1022
1023 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1024
1025         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1026         PARALLELs with a mode.
1027
1028 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1029
1030         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1031         cond_expr parameter.
1032
1033 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1034
1035         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1036
1037 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1038
1039         PR bootstrap/25397:
1040
1041         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1042         of STACK_REGS bits.
1043
1044         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1045
1046 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1047
1048         PR target/25254
1049         PR target/24188
1050         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1051         DECL_P, call get_section rather than get_named_section.  Supply
1052         section flags to it.
1053
1054 2005-12-14  Ben Elliston  <bje@au.ibm.com>
1055
1056         * c-common.c (c_common_truthvalue_conversion): Generalise warning
1057         for addresses converted to booleans; not just function addresses.
1058         * c-typeck.c (build_binary_op): Warn for address comparisons which
1059         can never be NULL (eg. func == NULL or &var == NULL).
1060         * common.opt (Walways-true): New option.
1061         * c-opts.c (c_common_handle_option): Set it with -Wall.
1062         * doc/invoke.texi: Document it.
1063
1064 2005-12-13  Paul Brook  <paul@codesourcery.com>
1065
1066         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1067         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1068
1069 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1070
1071         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1072         (EXTRA_MULTILIB_PARTS): Define.
1073
1074 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1075
1076         PR rtl-optimization/20070 / part1
1077         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1078         count_or_remove_death_notes with kill == -1.
1079         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1080         registers if PROP_POST_REGSTACK is set.
1081         (mark_used_reg): Likewise.
1082         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1083         REG_UNUSED notes for stack regs.
1084         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1085         to match rtx_equiv_p machinery.  Change caller.
1086         (outgoing_edges_match): Likewise.
1087         (try_crossjump_to_edge): Use struct_equiv_block_eq
1088         instead of flow_find_cross_jump.
1089         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1090         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1091         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1092         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1093         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1094         (insns_match_p): Update prototype.
1095         (flow_find_cross_jump): Remove prototype.
1096         (struct_equiv_block_eq, struct_equiv_init): Declare.
1097         (rtx_equiv_p, condjump_equiv_p): Likewise.
1098         * struct-equiv.c: Include reload.h.
1099         (IMPOSSIBLE_MOVE_FACTOR): Define.
1100         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1101         (struct_equiv_improve_checkpoint): Likewise.
1102         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1103         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1104         (struct_equiv_merge, find_dying_input): Likewise.
1105         (resolve_input_conflict, note_local_live): Likewise.
1106         (death_notes_match_p): Change parameters and processing
1107         to match rtx_equiv_p machinery.  Change caller.
1108         (insns_match_p): Likewise.
1109         (flow_find_cross_jump): Replace with:
1110         (struct_equiv_block_eq).
1111
1112         Back out this change:
1113         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1114           * recog.c (verify_changes): Make it static.
1115           * recog.h: Remove the corresponding prototype.
1116
1117 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1118
1119         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1120         values.
1121
1122 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1123
1124         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1125         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
1126         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1127         TARGET_MS1_64_001 appropriately.
1128         (ms1_machine_reorg): Use TARGET_MS2.
1129
1130 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
1131
1132         PR debug/25023
1133         PR target/25293
1134         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1135         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1136         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1137         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1138         Set mode to SI, adjust constraints.
1139         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1140         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1141         32-bit code.
1142
1143 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
1144
1145         * c-cppbuiltin.c (builtin_define_float_constants): Add
1146         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1147         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1148         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1149         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1150         to "((double)%sL)" otherwise "%s".
1151
1152 2005-12-13  Paul Brook  <paul@codesourcery.com>
1153
1154         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1155         apcs/atpcs.
1156
1157 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1158
1159         * tree-flow.h: Allow compilation with a C++ compiler.
1160         (struct edge_prediction): Prefix all field names  with "ep_".
1161         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1162         (tree_predict_edge, combine_predictions_for_bb): Likewise.
1163         (remove_predictions_associated_with_edge): Likewise.
1164         
1165 2005-12-12  Jeff Law  <law@redhat.com>
1166
1167         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1168         reassociation code.
1169         * passes.c (init_optimization_passes): Run reassociation again
1170         after loop optimizations.
1171
1172 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
1173
1174         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1175         if necessary.
1176         (optimize_stmt): Ditto.
1177         (canonicalize_comparison): New function.
1178         * tree-ssa-operands.c (swap_tree_operands): Make external.
1179         (get_expr_operands): Stop auto-canonicalization.
1180         * tree-ssa-reassoc.c: Rewrite.
1181         (init_optimization_passes): 
1182         * tree-flow.h (swap_tree_operands): Prototype.
1183         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1184
1185 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1186
1187         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1188         indicate function epilogue has been output.
1189         (pa_asm_output_mi_thunk): Likewise.
1190         (output_deferred_plabels): Put plabels in readonly data section when
1191         not generating PIC code.
1192         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1193         information.  Add assert.
1194         (som_output_comdat_data_section_asm_op): New function.
1195         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1196         instead of output_section_asm_op for COMDAT sections.
1197
1198 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
1199
1200         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1201         Fix whitespace in vincinity of to-be-installed changes.
1202         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1203         (insns_match_p): Likewise.
1204
1205 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
1206
1207         * config.gcc (ms1): Replace with ...
1208         (mt): ... this.
1209         * config/ms1: Rename to ...
1210         * config/mt: ... here.  Rename ms1 files to mt.
1211         * config/mt/mt.c: Adjust gt-mt.h #include.
1212         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1213         (crti.o, crtn.o): Adjust file names.
1214
1215 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1216
1217         * varray.h: Allow compilation with a C++ compiler.
1218         (union varray_data_tag): Prefix all field names with "vdt_".
1219         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1220         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1221         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1222         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1223         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1224         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1225         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1226         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
1227         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
1228         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
1229         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
1230         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
1231         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
1232         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1233         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
1234         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
1235         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
1236         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
1237         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
1238         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
1239         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
1240         VARRAY_TOP_TREE_PTR): Likewise.
1241         * varray.c (varray_grow): Likewise.
1242         (varray_clear): Likewise.
1243
1244 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
1245
1246         PR target/25299
1247         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1248         alignment to doubleword if the first field is a double array.
1249         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1250
1251 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1252
1253         * tree-ssa-structalias.c (process_constraint): Remove code to
1254         transform addressofs into scalar.
1255         (create_variable_info_for): In whole-program IPA, globals don't
1256         point to ANYTHING by default.
1257
1258 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1259
1260         * timevar.def (TV_IPA_PTA): New.
1261         * tree-pass.h (pass_ipa_pta): New
1262         * tree-ssa-structalias.c: Include cgraph.h
1263         (in_ipa_mode): New.
1264         (predbitmap_obstack): New.
1265         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1266         (struct constraint_stats): Add num_edges.
1267         (new_var_info): Don't call bitmap_clear.
1268         (struct constraint_edge): Update docs.
1269         (new_constraint_edge): Remove src param.
1270         (struct constraint_graph): Add zero_weight_succs,
1271         zero_weight_preds.  Update docs.
1272         (constraint_expr_equal): Reformat.
1273         (constraint_edge_equal): Update for removal of src.
1274         (constraint_edge_less): Ditto.
1275         (constraint_edge_vec_find): Ditto.
1276         (erase_graph_self_edge): Update for removal of src and and zero
1277         weight bitmap.
1278         (clear_edges_for_node): Ditto.
1279         (add_graph_edge): Ditto.
1280         (get_graph_weights): Ditto.
1281         (allocate_graph_weights): Ditto.
1282         (merge_graph_nodes): Ditto.
1283         (int_add_graph_edge): Ditto.
1284         (valid_graph_edge): Ditto.
1285         (valid_weighted_graph_edge): Ditto.
1286         (build_constraint_graph): Ditto.
1287         (scc_visit): Ditto.
1288         (collapse_nodes): Ditto.
1289         (process_unification_queue): Ditto.
1290         (topo_visit): Ditto.
1291         (solve_graph): Ditto.
1292         (do_structure_copy): Ditto.
1293         (perform_var_substitution): Ditto.
1294         Init and release obstack.
1295         (handle_ptr_arith): Try to resolve directly.
1296         (find_func_aliases): Don't call update_alias_info here
1297         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1298         (do_sd_constraint): Add code for propagating faster.
1299         Update.
1300         (do_ds_constraint): Ditto.
1301         (count_num_arguments): New function.
1302         (create_function_info_for): Ditto.
1303         (create_variable_info_for): Handle FUNCTION_DECL.
1304         (intra_create_variable_infos): Use make_constraint_to_anything.
1305         (init_alias_vars): Init obstacks here.
1306         (need_to_solve): Handle zero weight graph changes.
1307         (compute_points_to_sets): Call update_alias_info here.
1308         (delete_points_to_sets): Free zero weight preds/succs here.
1309         (gate_ipa_pta): New.
1310         (ipa_pta_execute): New
1311
1312 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1313
1314         * tree-ssa-structalias.c (var_anyoffset): Removed.
1315         (anyoffset_tree): Ditto.
1316         (anyoffset_id): Ditto.
1317         (do_deref): Take vector of constraints, no return value.
1318         Update to work on vector.                
1319         (get_constraint_for): Ditto.
1320         (get_constraint_for_component_ref): Ditto.
1321         (do_structure_copy): Ditto.
1322         (handle_ptr_arith): Ditto.
1323         (find_func_aliases): Ditto.
1324         (set_uids_in_ptset): Remove anyoffset handling.
1325         (init_base_vars): Ditto.
1326
1327 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
1328
1329         PR c++/25010
1330         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1331         DECL_EXTERNAL functions have no bodies.  Tidy.
1332
1333 2005-12-10  Andreas Schwab  <schwab@suse.de>
1334
1335         * except.c (switch_to_exception_section): Only define if
1336         TARGET_UNWIND_INFO is not defined.
1337
1338 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1339
1340         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1341         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1342
1343 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1344
1345         * output.h (init_section, fini_section): Delete.
1346         * varasm.c (init_section, fini_section): Delete.
1347         (init_varasm_once): Don't initialize them.
1348         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1349         there are no corresponding varasm.c variables.
1350
1351 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1352
1353         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1354         of EH_FRAME_SECTION_NAME into...
1355         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1356         if it is still null.
1357         * except.c (default_exception_section): Delete, moving most
1358         of the code to...
1359         (switch_to_exception_section): ...this new function.  Set
1360         exception_section if it is still null, then switch to it.
1361         (output_function_exception_table): Use switch_to_exception_section.
1362         * varasm.c (exception_section, eh_frame_section): Update comments.
1363         (get_section): Hoist use of SECTION_NAMED.
1364         (init_varasm_once): Don't set exception_section and eh_frame_section.
1365         * output.h (default_exception_section): Delete.
1366         (default_eh_frame_section): Delete.
1367
1368 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1369
1370         * config/bfin/bfin.c: Include "cgraph.h".
1371         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1372         Return the reg that holds the pointer to the GOT.
1373         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1374         doing stack checking.
1375
1376 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1377
1378         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1379         recompute_tree_invarant_for_addr_expr.
1380         Update uses everywhere.
1381
1382 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1383
1384         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1385         (MULTILIB_DIRNAMES): Define.
1386
1387 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1388
1389         PR target/25311
1390         * config/s390/s390.c (struct s390_address): New field literal_pool.
1391         (s390_decompose_address): Compute literal_pool field.  Do not 
1392         assume register %r13 is always (and solely) used as pool base.
1393         (s390_extra_constraint_str): Use literal_pool field.
1394
1395 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1396
1397         * config/mips/mips.c (override_options): Don't allow too small
1398         integers in FP registers.
1399
1400 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1401
1402         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1403         targetm.binds_local_p to check for local function calls.
1404
1405 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1406
1407         PR debug/24908
1408         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1409         call_used_regs can't be used to save reg in another reg.
1410
1411 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1412             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1413
1414         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1415         abort.
1416         * except.c (output_ttype): Likewise.
1417         * tree-object-size.c (collect_object_sizes_for): Likewise.
1418         (check_for_plus_in_loops_1): Likewise.
1419         (check_for_plus_in_loops): Likewise.
1420         (compute_object_sizes): Use gcc_unreachable instead of abort.
1421
1422 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1423
1424         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1425         (loop_end, loop_init, doloop_end): New insns.
1426         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1427         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1428         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1429         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1430         * config/ms1/ms1.c: #include basic-block.h
1431         (struct machine_function): Add has_loops field.
1432         (ms1_add_loop): New.
1433         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1434         (struct loop_info, struct loop_work): New.
1435         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1436         (ms1_reorg_loops): New loop optimization.
1437         (ms1_machine_reorg): Call it.
1438         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1439
1440 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1441
1442         PR tree-optimization/25248
1443         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1444         evolution_of_loop from the failed attempt.  Remove handling
1445         of MULT_EXPR.
1446
1447 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1448
1449         * tree.h (DECL_EXTERNAL): Clarify documentation.
1450
1451 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1452             Jakub Jelinek  <jakub@redhat.com>
1453
1454         PR target/25268
1455         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1456         argument.  Don't drop outer ANDs.
1457         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1458         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1459         prototype.
1460         * config/s390/predicates.md (setmem_operand): Remove.
1461         (shift_count_operand): Rename to...
1462         (shift_count_or_setmem_operand): ... this.  Adjust
1463         s390_decompose_shift_count caller.
1464         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1465         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1466         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1467         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1468         rotl<mode>3_and, setmem_long_and): New insns.
1469         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1470         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1471         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1472         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1473         of shift_count_operand.
1474         (setmem_long): Use shift_count_or_setmem_operand instead of
1475         setmem_operand.
1476
1477 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1478             Andreas Tobler  <a.tobler@schweiz.ch>
1479
1480         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1481         tr expression.
1482
1483 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1484
1485         * expr.c (force_operand): Use convert_to_mode for conversions.
1486
1487 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1488
1489         * reload.h (reg_equiv_invariant): Declare.
1490         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1491         register also when reg_equiv_invariant[R] is set.
1492
1493 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1494             Andreas Tobler  <a.tobler@schweiz.ch>
1495
1496         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1497
1498 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1499
1500         * tree-ssa-pre.c (bitmap_set_and): New function.
1501         (bitmap_set_and_compl): New function.
1502         (bitmap_set_empty_p): New function.
1503         (insert_extra_phis): New function.
1504         (compute_avail): Use insert_extra_phis.
1505
1506 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1507
1508         * config/s390/s390.c (s390_expand_atomic): New function.
1509         Adjust comment of helper functions.
1510         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1511         * config/s390/s390.md ("ATOMIC"): New code macro.
1512         ("atomic"): Corresponding new code attribute.
1513         ("sync_lock_test_and_set[hq]i", 
1514         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1515
1516 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1517
1518         * config/s390/s390.c (s390_expand_mask_and_shift, 
1519         struct alignment_context, init_alignment_context, 
1520         s390_expand_cs_hqi): New.
1521         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1522         * config/s390/s390.md ("sync_compare_and_swaphi",
1523         "sync_compare_and_swapqi"): New pattern.
1524
1525 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1526
1527         Fix PR tree-optimization/25291
1528         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1529         redundant and crashing check.
1530
1531 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1532
1533         PR target/25212
1534         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1535         tests further when !strict && reload_in_progress.
1536         (print_operand): Check that both operands of indexed address are regs.
1537         (print_operand_address): Likewise.
1538         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1539         (INT_REG_OK_FOR_BASE_P): Correct.
1540
1541 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1542
1543         Preparation for PR rtl-optimization/20070 / part1
1544         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1545         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1546         outgoing_edges_match.
1547         (outgoing_edges_match): Use condjump_equiv_p.
1548         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1549         into..
1550         * struct-equiv.c: New file.
1551         (death_notes_match_p) New function, broken out of insns_match_p.
1552         * Makefile.in (OBJS-common): Add struct-equiv.o.
1553         (struct-equiv.o): New target.
1554
1555 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1556
1557         * coretypes.h: Revert previous change.
1558         * config/darwin.h: Revert previous reversion.
1559         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1560
1561 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1562
1563         * coretypes.h (section): Provide dummy definition for target files.
1564         * config/darwin.h: Revert previous change.
1565
1566 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1567
1568         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1569         * configure.ac: Remove all.build and install-normal from target_list
1570         * configure: Regenerate.
1571         * Makefile.in (install): Don't depend on install-normal.
1572
1573 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1574
1575         * Makefile.in: Document the use of stamps.
1576
1577 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1578
1579         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1580         * Makefile.in: Add code to compute some dependencies on s-gtype
1581         automatically.  Remove the declaration of those dependencies.
1582
1583 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1584
1585         * gcc/reload.c (push_secondary_reload): Fix typo:
1586         s/insn_constraint/scratch_constraint/.
1587
1588 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1589
1590         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1591
1592 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1593
1594         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1595         (alpha_elf_select_rtx_section): Return the selected section rather
1596         than emitting assembly code.
1597         (alpha_write_linkage): Emit a ".link" directive directly and then
1598         set in_section to NULL.
1599         (vms_asm_out_constructor): Use switch_to_section.
1600         (vms_asm_out_destructor): Likewise.
1601         (unicosmk_output_common): Set in_section to NULL instead of calling
1602         the dummy common_section function.
1603         (unicosmk_text_section): Delete in favor of...
1604         (unicosmk_output_text_section_asm_op): ...this new function.
1605         (unicosmk_data_section): Delete in favor of...
1606         (unicosmk_output_data_section_asm_op): ...this new function.
1607         (unicosmk_init_sections): New function.
1608         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1609         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1610         the dummy ssib_section function.
1611         (unicosmk_section_buf): Delete.
1612         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1613         (unicosmk_data_section): Delete.
1614         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1615         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1616         (SECTION_FUNCTION_TEMPLATE): Delete.
1617         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1618         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1619         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1620         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1621         (TARGET_ASM_INIT_SECTIONS): Define.
1622         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1623         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1624         (link_section, literals_section): Delete.
1625         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1626         set in_section to NULL.
1627
1628         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1629         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1630         (COMMON_SECTION): Delete.
1631         (TARGET_ASM_INIT_SECTIONS): Define.
1632         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1633         the dummy common_section function.
1634         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1635         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1636         between readonly_data_section and text_section to check whether
1637         read-only data is being put in the text section.
1638         (arm_output_function_epilogue): Use switch_to_section.
1639         (arm_elf_asm_constructor): Likewise.
1640         (thumb_call_via_reg): Replace call to in_text_section with
1641         a comparison between in_section and text_section.
1642         (arm_file_end): Use switch_to_section.
1643         (aof_text_section): Delete in favor of...
1644         (aof_output_text_section_asm_op): ...this new function.
1645         (aof_data_section): Delete in favor of...
1646         (aof_output_data_section_asm_op): ...this new function.
1647         (aof_asm_init_sections): New function.
1648         (zero_init_section): Moved from config/arm/aof.h.
1649         (aof_dump_imports, aof_file_start): Use switch_to_section.
1650         * config/arm/arm.h (thumb_call_via_label): Update comment.
1651         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1652         (common_section): Delete.
1653         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1654         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1655         global switch_to_section function instead of the old port-local one.
1656         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1657         (SWITCH_TO_SECTION_FUNCTION): Delete.
1658         (drectve_section): Redefine as a macro.
1659         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1660         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1661         switch_to_section.
1662
1663         * config/avr/avr.c (progmem_section): New variable.
1664         (avr_output_progmem_section_asm_op): New function.
1665         (avr_asm_init_sections): New function.
1666         (avr_output_addr_vec_elt): Use switch_to_section.
1667         * config/avr/avr.h (progmem_section): Declare.
1668         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1669         (READONLY_DATA_SECTION): Delete.
1670         (TARGET_ASM_INIT_SECTIONS): Define.
1671         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1672         * config/avr/avr-protos.h (progmem_section): Delete.
1673
1674         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1675
1676         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1677         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1678
1679         * config/darwin-sections.def: New file.
1680         * config/darwin.c: Define all sections in darwin-sections.def.
1681         (output_objc_section_asm_op, darwin_init_sections): New functions.
1682         (machopic_output_indirection): Use switch_to_section.
1683         (machopic_select_section): Return the selected section rather than
1684         emitting assembly code.  Replace the static function table with
1685         inline conditional expressions.  Update the tests of last_text_section
1686         and move them into the FUNCTION_DECL block.
1687         (machopic_select_rtx_section): Return the selected section rather than
1688         emitting assembly code.
1689         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1690         (darwin_file_end): Use switch_to_section.
1691         * config/darwin.h: Use darwin-sections.def to declare sections.
1692         (INIT_SECTION_ASM_OP): Remove empty definition.
1693         (HAS_INIT_SECTION): Define this instead.
1694         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1695         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1696         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1697         (TARGET_ASM_INIT_SECTIONS): Define.
1698         * config/darwin-protos.h (darwin_init_sections): Declare.
1699         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1700         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1701         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1702         (constructor_section, destructor_section, mod_init_section): Delete.
1703         (mod_term_section): Delete.
1704         (darwin_exception_section, darwin_eh_frame_section): Delete.
1705         (machopic_select_section): Return a section.
1706         (machopic_select_rtx_section): Likewise.
1707         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1708         (const_section, const_coal_section, const_data_section): Delete.
1709         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1710         (literal4_section, literal8_section, constructor_section): Delete.
1711         (mod_init_section, mod_term_section, destructor_section): Delete.
1712         (objc_class_section, objc_meta_class_section, objc_category_section)
1713         (objc_class_vars_section, objc_instance_vars_section): Delete.
1714         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1715         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1716         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1717         (objc_symbols_section, objc_module_info_section): Delete.
1718         (objc_image_info_section, objc_protocol_section): Delete.
1719         (objc_string_object_section, objc_constant_string_object_section)
1720         (objc_class_names_section, objc_meth_var_names_section): Delete.
1721         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1722         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1723         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1724         (darwin_exception_section, darwin_eh_frame_section): Delete.
1725         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1726
1727         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1728         (frv_asm_out_destructor): Likewise.
1729         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1730         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1731         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1732         get_named_section.
1733         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1734         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1735         (data_section): Delete.
1736
1737         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1738         (DRECTVE_SECTION_FUNCTION): Delete.
1739         (drectve_section): Redefine as a macro that sets in_section after
1740         emitting the directive.
1741         (SWITCH_TO_SECTION_FUNCTION): Delete.
1742         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1743         in_text_section with comparison between in_section and text_section.
1744         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1745         rather than emitting assembly code.  Use get_named_section.
1746         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1747         get_named_section.
1748         (machopic_output_stub): Use switch_to_section.
1749         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1750         (nwld_named_section_asm_out_destructor): Use get_section and
1751         switch_to_section.
1752
1753         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1754         rather than emitting assembly code.
1755         (ia64_rwreloc_select_section): Likewise.
1756         (ia64_rwreloc_select_rtx_section): Likewise.
1757         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1758         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1759         switch_to_section.
1760         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1761         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1762
1763         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1764         section rather than emitting assembly code.
1765         (iq2000_select_section): Likewise.
1766         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1767         (sbss_section): Delete.
1768
1769         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1770         and get_named_section.
1771         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1772
1773         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1774         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1775         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1776         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1777         in_section to NULL.
1778         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1779         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1780         global switch_to_section function instead of the old port-local one.
1781         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1782         (SWITCH_SECTION_FUNCTION): Delete.
1783         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1784         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1785         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1786         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1787         in_section to NULL.
1788         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1789         global switch_to_section function instead of the old port-local one.
1790         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1791
1792         * config/mips/mips.c (mips_file_start): Update comment.
1793         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1794         (mips_output_aligned_decl_common): Use switch_to_section.
1795         (mips_select_rtx_section): Return the section rather than emitting
1796         assembly code.  Use get_named_section.
1797         (mips_function_rodata_section: Likewise get_section.
1798         (build_mips16_function_stub): Use switch_to_section.
1799         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1800         (SDATA_SECTION_ASM_OP): Delete.
1801         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1802         (EXTRA_SECTION_FUNCTIONS): Delete.
1803
1804         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1805         (mmix_asm_output_aligned_local): Use switch_to_section.
1806
1807         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1808         (som_one_only_readonly_data_section): New variables.
1809         (pa_output_function_epilogue): Set in_section to NULL instead of
1810         calling forget_section.
1811         (output_deferred_plabels): Use select_section.
1812         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1813         of calling forget_section.
1814         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1815         (pa_asm_output_aligned_local): Use select_section.
1816         (som_text_section_asm_op): Delete in favor of...
1817         (som_output_text_section_asm_op): ...this new function.
1818         (pa_som_asm_init_sections): New function.
1819         (pa_select_section): Return the section rather than emitting
1820         assembly code.
1821         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1822         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1823         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1824         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1825         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1826         (som_readonly_data_section, som_one_only_readonly_data_section)
1827         (som_one_only_data_section, forget_section): Delete.
1828         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1829         (TARGET_ASM_INIT_SECTIONS): Define.
1830         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1831
1832         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1833         (private_data_section, read_only_private_data_section): New variables.
1834         (sdata2_section, toc_section): New variables.
1835         (rs6000_file_start): Use switch_to_section.
1836         (rs6000_assemble_integer): Use comparisons against in_section
1837         instead of calling in_toc_section and in_text_section.  Use
1838         unlikely_text_section_p.
1839         (rs6000_elf_output_toc_section_asm_op): New function, derived
1840         from the old rs6000/sysv4.h toc_section function.
1841         (rs6000_elf_asm_init_sections): New function.
1842         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1843         the section rather than emitting assembly code.
1844         (machopic_output_stub): Use switch_to_section.
1845         (toc_section): Delete dummy function.
1846         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1847         switch_to_section and get_section.
1848         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1849         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1850         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1851         the old rs6000/xcoff.h toc_section function.
1852         (rs6000_xcoff_asm_init_sections): New function.
1853         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1854         the section rather than emitting assembly code.
1855         (rs6000_xcoff_file_start): Use switch_to_section.
1856         (rs6000_xcoff_file_end): Likewise.
1857         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1858         (sdata2_section, sbss_section, private_data_section): Delete.
1859         (read_only_data_section, read_only_private_data_section): Delete.
1860         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1861         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1862         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1863         (FINI_SECTION_FUNCTION): Delete.
1864         (TARGET_ASM_INIT_SECTIONS): Define.
1865         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1866         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1867         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1868         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1869         (READONLY_DATA_SECTION): Delete.
1870         (TARGET_ASM_INIT_SECTIONS): Define.
1871         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1872         to NULL rather than no_section.
1873         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1874
1875         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1876
1877         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1878         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1879         from call to current_function_section.
1880
1881         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1882         (bss100_section): New variable.
1883         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1884         (xstormy16_asm_init_sections): New function.
1885         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1886         switch_to_section and get_section.
1887         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1888         from calls to current_function_section.
1889         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1890         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1891         (TARGET_ASM_INIT_SECTIONS): Define.
1892         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1893
1894         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1895         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1896         (FINI_SECTION_FUNCTION): Delete.
1897
1898         * config/v850/v850.c: Include gt-v850.h.
1899         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1900         (zbss_section): New variables.
1901         (v850_output_aligned_bss): Use switch_to_section.
1902         (v850_asm_init_sections): New function.
1903         (v850_select_section): Return the section rather than emitting
1904         assembly code.
1905         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1906         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1907         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1908         (TARGET_ASM_INIT_SECTIONS): Define.
1909         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1910         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1911         (zbss_section): Delete.
1912
1913         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1914
1915         * config/vx-common.h (vxworks_exception_section): Delete.
1916         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1917
1918         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1919         section rather than emitting assembly code.
1920         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1921         switch_to_section.
1922
1923         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1924         * coretypes.h (section): New union and typedef.
1925         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1926         from call to current_function_section.
1927         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1928         (dbxout_symbol_location): Use switch_to_section.
1929         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1930         most of the code into...
1931         (default_eh_frame_section): ...here.  Return a section.
1932         (collect2_eh_frame_section): Delete, moving most of the code into..
1933         (switch_to_eh_frame_section): ...this new function.
1934         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1935         (debug_macinfo_section, debug_line_section, debug_loc_section)
1936         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1937         variables.
1938         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1939         eh_frame_section.  Use switch_to_section and get_section.
1940         (dwarf2out_begin_prologue): Use switch_to_section.
1941         (AT_string_form): Check the flags in debug_str_section instead of
1942         DEBUG_STR_SECTION_FLAGS.
1943         (output_comp_unit): Use switch_to_section, get_section, and
1944         debug_info_section.
1945         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1946         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1947         from call to current_function_section.
1948         (dwarf2out_var_location): Use unlikely_text_section_p.
1949         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1950         from call to current_function_section.
1951         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1952         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1953         debug_macinfo_section.
1954         (dwarf2out_init): Initialize the new section variables.  Use them
1955         instead of calls to named_section_flags.  Use switch_to_section.
1956         (output_indirect_string): Use switch_to_section and debug_str_section.
1957         (dwarf2out_finish): Use switch_to_section and the new section
1958         variables.
1959         * except.c (default_exception_section): Return the section instead
1960         of emitting assembly code.
1961         (output_function_exception_table): Use the global exception_section
1962         variable instead of the target hook.  Use switch_to_section.  Remove
1963         argument from call to current_function_section.
1964         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1965         (shorten_branches): Use pointer comparisons to detect whether the
1966         text section is the same as readonly_data_section.
1967         (profile_function): Use switch_to_section.  Remove argument from
1968         call to current_function_section.
1969         (final_scan_insn): Likewise.  Update use of last_text_section.
1970         * gengtype.c (open_base_files): Add an include of output.h.
1971         * output.h (text_section, data_section, readonly_data_section)
1972         (ctors_section, dtors_section, bss_section, init_section)
1973         (fini_section, sdata_section): Turn into section pointers.
1974         (in_text_section, in_unlikely_text_section, exports_section)
1975         (drectve_section, named_section, mergeable_string_section)
1976         (last_text_section_name): Delete.
1977         (default_exception_section, default_eh_frame_section): Return sections.
1978         (SECTION_DECLARED, SECTION_NAMED): New macros.
1979         (SECTION_MACH_DEP): Bump value.
1980         (section_common, named_section, unnamed_section): New structures.
1981         (unnamed_section_callback): New typedef.
1982         (section): New union.
1983         (sbss_section, exception_section, eh_frame_section): New variables.
1984         (in_section, last_text_section): Turn into section pointers.
1985         (get_unnamed_section, get_section, get_named_section): New functions.
1986         (mergeable_constant_section, function_section): Return a section.
1987         (unlikely_text_section): Likewise.
1988         (current_function_section): Likewise.  Remove the decl argument.
1989         (unlikely_text_section_p, switch_to_section): New functions.
1990         (output_section_asm_op): New function.
1991         (set_named_section_flags, named_section_flags, named_section_real)
1992         (named_section_first_declaration): Delete.
1993         (default_select_section, default_elf_select_section): Return a section.
1994         (default_elf_select_section_1, default_function_rodata_section)
1995         (default_no_function_rodata_section, default_select_rtx_section)
1996         (default_elf_select_rtx_section): Likewise.
1997         * rtl.h (in_data_section): Delete.
1998         * sdbout.c (sdbout_one_type): Use switch_to_section.
1999         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2000         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2001         (TARGET_ASM_EH_FRAME_SECTION): Poison.
2002         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2003         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2004         (TARGET_ASM_OUT): Update after above changes.
2005         * target.h (init_sections): New hook.
2006         (exception_section, eh_frame_section): Delete.
2007         (select_section, select_rtx_section, function_rodata_section): Return
2008         a section rather than emitting assembly code.
2009         * varasm.c (text_section, data_section, readonly_data_section)
2010         (ctors_section, dtors_section, bss_section, init_section)
2011         (fini_section): Turn into section pointers.
2012         (sdata_section, sbss_section, exception_section): New variables.
2013         (eh_frame_section): New variable.
2014         (in_section): Make global and turn into a section pointer.
2015         (last_text_section): Turn into a section pointer.
2016         (unnamed_sections): New variable.
2017         (in_named_name, last_text_section_name): Delete.
2018         (EXTRA_SECTION_FUNCTIONS): Delete.
2019         (in_named_entry): Delete.
2020         (section_htab): New variable, replacing...
2021         (in_named_htab): ...this deleted variable.
2022         (section_entry_eq, section_entry_hash): New functions, based on...
2023         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2024         (get_unnamed_section, get_section): New functions.
2025         (unlikely_text_section): Return a section instead of emitting
2026         assembly code.
2027         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2028         (get_named_section_flags, named_section_first_declaration): Delete.
2029         (unlikely_text_section_p): New function.
2030         (named_section_real, named_section): Delete.
2031         (get_named_section): New function.
2032         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2033         (function_section): Return a section rather than emitting
2034         assembly code.
2035         (current_function_section): Likewise.  Remove argument.  Use
2036         last_text_section if nonnull, otherwise use function_section.
2037         (default_function_rodata_section): Return a section rather than
2038         emitting assembly code.  Use get_section.
2039         (default_no_function_rodata_section): Return a section rather than
2040         emitting assembly code.
2041         (variable_section): Use switch_to_section and get_named_section.
2042         (mergeable_string_section): Return a section rather than emitting
2043         assembly code.  Use get_section.  Make static.  Don't take special
2044         countermeasures for empty strings.
2045         (mergeable_constant_section): Return a section rather than emitting
2046         assembly code.  Use get_section.
2047         (default_named_section_asm_out_destructor): Use switch_to_section
2048         and get_section.
2049         (default_dtor_section_asm_out_destructor): Use switch_to_section.
2050         (default_named_section_asm_out_constructor): Use switch_to_section
2051         and get_section.
2052         (default_ctor_section_asm_out_constructor): Use switch_to_section.
2053         (assemble_start_function): Likewise.  Set last_text_section to
2054         NULL rather than no_section.  Change the type of save_section.
2055         (assemble_zeros, assemble_variable): Use the section flags to detect
2056         whether or not a section is text.
2057         (assemble_static_space): Use switch_to_section.
2058         (assemble_trampoline_template): Likewise.
2059         (output_constant_def_contents): Use switch_to_section and
2060         get_named_section.
2061         (output_constant_pool_1): Use switch_to_section.  Use the section
2062         flags to see whether sections contain mergeable data.
2063         (init_varasm_once): Initialize section_htab instead of in_named_htab.
2064         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
2065         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2066         whether a section has already been declared.
2067         (default_select_section, default_elf_select_section): Return a
2068         section rather than emitting assembly code.
2069         (default_elf_select_section_1): Likewise.  Use bss_section for
2070         SECCAT_BSS if nonnull.  Use get_named_section.
2071         (default_select_rtx_section): Return a section rather than
2072         emitting assembly code.
2073         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
2074         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2075         (output_section_asm_op, switch_to_section): New functions.
2076         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2077         get_named_section.
2078
2079         * doc/tm.texi: Expand the introduction to the sections documentation.
2080         (TRAMPOLINE_SECTION): Document new interface.
2081         (SDATA_SECTION_ASM_OP): Document new macro.
2082         (READONLY_DATA_SECTION): Delete.
2083         (SDATA_SECTION_ASM_OP): Document new macro.
2084         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2085         (TARGET_ASM_INIT_SECTIONS): Document new hook.
2086         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2087         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2088         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2089
2090 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
2091
2092         * gcc.c (init_gcc_specs): Match braces inside conditionally
2093         compiled strings.
2094
2095 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
2096
2097         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2098
2099 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
2100
2101         PR C++/24138
2102         * tree.c (integer_all_onesp): Always return true if all bits on.
2103
2104         * testsuite/g++.dg/init/array0.C: New.
2105
2106 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
2107
2108         * doc/md.texi: Adapt to implementation.
2109
2110 2005-12-06  Andreas Schwab  <schwab@suse.de>
2111
2112         * opts.c (decode_options): Fix typo in message.
2113
2114 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
2115
2116         PR other/13873
2117         * longlong.h: Merge PPC tests from upstream.
2118
2119 2005-12-06  Richard Guenther  <rguenther@suse.de>
2120
2121         * fold-const.c (fold_convert): Do not build and fold
2122         CONVERT_EXPR, but always use NOP_EXPR.
2123
2124 2005-12-06  Jan Beulich  <jbeulich@novell.com>
2125
2126         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2127         __builtin_ia32_paddq and __builtin_ia32_subq.
2128         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2129         __builtin_ia32_pshufw.
2130         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2131
2132 2005-12-05  James E Wilson  <wilson@specifix.com>
2133
2134         PR target/24934
2135         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2136         is set.
2137
2138 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
2139         
2140         * print-tree.c (print_node): Ditto.
2141         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2142         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2143         before accessing DECL_ARTIFICIAL. 
2144         Handle new tag tree codes.
2145         * tree-flow-inline.h (clear_call_clobbered): Update for tag
2146         changes.
2147         (unmodifiable_var_p): Ditto.
2148         * tree-flow.h (mem_tag_kind): Remove.
2149         (struct var_ann_d): Remove mem_tag_kind member.
2150         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2151         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2152         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2153         (group_aliases): Ditto.
2154         (setup_pointers_and_addressables): Ditto.
2155         (is_escape_site): Ditto.                                          
2156         (may_alias_p): Ditto.
2157         (create_tag_raw): New function.
2158         (create_memory_tag): Use it.
2159         (dump_alias_info): Update for tags.
2160         (may_be_aliased): Ditto.
2161         (add_type_alias): Ditto.
2162         (new_type_alias): Ditto.
2163         (create_sft): Ditto.
2164         (create_structure_vars): Ditto.
2165         * tree-ssa-ccp.c (get_default_value): Ditto.
2166         * tree-ssa-operands.c (get_expr_operands): Ditto.
2167         (add_stmt_operand): Ditto.
2168         (add_call_clobber_ops): Remove duplicated condition.
2169         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2170         tags.
2171         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2172         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2173         * tree.c (init_ttree): Update structures for new tree codes.
2174         (tree_code_size): Update sizes for new tree codes.
2175         (make_node_stat): Don't try to set common things on minimal
2176         structures.
2177         (tree_node_structure): Update for tags.
2178         (is_global_var): Ditto.
2179         * tree.def: Add new tree codes.
2180         * tree.h (MTAG_P): New macro.
2181         (TREE_MEMORY_TAG_CHECK): Ditto.
2182         (SSA_VAR_P): Update for tags.
2183         (struct tree_memory_tag): New structure.
2184         (MTAG_GLOBAL): New macro.
2185         (union tree_node): Add memory tag member.
2186         * treestruct.def (TS_MEMORY_TAG): New.
2187         
2188 2005-12-05  Dale Johannesen  <dalej@apple.com>
2189
2190         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
2191         what was approved (PR 24323).
2192
2193 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2194
2195         * doc/c-tree.texi (Function Bodies): Remove description of
2196         RETURN_INIT.
2197
2198 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
2199
2200         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2201         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2202         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2203         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2204         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2205         __divxc3): Document.
2206
2207 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
2208
2209         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2210         previous behaviour.
2211         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2212         hook_bool_void_false.
2213         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2214         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2215
2216         * config/darwin.c (machopic_select_section): It's not defined
2217         as weak if it's only marked as weak_import.
2218         
2219         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2220         Prototype.
2221
2222         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2223         A hidden weak object does bind locally.  Strong linkonce data
2224         counts like any other strong symbol for binding.
2225         (weak_finish_1): Don't specially handle weakrefs, they no longer
2226         arrive here.
2227         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2228         * c-common.c (handle_alias_attribute): Allow static aliases
2229         of variables.
2230         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2231         * gthr-dce.h: Make weakrefs static.
2232         * gthr-tpf.h: Likewise.
2233         * gthr-solaris.h: Likewise.
2234         * gthr-posix.h: Likewise.
2235         * gthr-posix95.h: Likewise.
2236         * config/darwin.c (darwin_encode_section_info): static weakref
2237         variables are not necessarily defined in this translation unit.
2238         * doc/extend.texi (Function Attributes): Mention that an alias
2239         attribute creates a definition for the thing it's attached to.
2240         Change the documentation for weakref to say that the thing
2241         it's attached to must be static.
2242
2243         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2244         we don't go into an infinite loop.
2245
2246 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
2247
2248         * config/rs6000/predicates.md (logical_const_operand): Split
2249         out of logical_operand.
2250         (logical_operand): Use it.
2251         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2252         logical_const_operand.
2253
2254 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2255
2256         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2257         and IX86_BUILTIN_CMPNESS.
2258         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2259         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2260         * config/i386/i386.md (movti_internal): Correct type attribute.
2261         Simplify mode attribute.
2262         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2263         Correct type attribute.
2264         (absxf2): Correct operator.
2265         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2266         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2267         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2268         mode attribute.
2269         (sse2_vmsqrtv2df2): Correct mode attribute.
2270
2271 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2272
2273         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2274         16 bits. Provide insn pattern for this case.
2275
2276 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2277
2278         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2279         result.
2280         (__popcountDI2): Likewise.
2281
2282 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2283
2284         PR target/25166
2285         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2286         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2287         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2288         functions.
2289
2290 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2291
2292         * c-typeck.c (null_pointer_constant_p): New function.
2293         (build_conditional_expr, build_c_cast, convert_for_assignment,
2294         build_binary_op): Use it.
2295
2296 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2297
2298         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2299         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2300         CONVERT_EXPR.
2301         (check_function_arguments_recurse): Allow both NOP_EXPR and
2302         CONVERT_EXPR but check conversions preserve precision.
2303         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2304         but check conversions preserve precision.
2305         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2306         default case.
2307
2308 2005-12-04  Roger Sayle  <roger@eyesopen.com>
2309
2310         PR c/7776
2311         * common.opt (Wstring-literal-comparison): New command line option.
2312         * c-opts.c (c_common_handle_option): Set it with -Wall.
2313         * c-typeck.c (parser_build_binary_op): Issue warning if either
2314         operand of a comparison operator is a string literal, except for
2315         testing equality or inequality against NULL.
2316
2317         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2318
2319 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2320
2321         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2322         of building a NOP_EXPR.
2323         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2324         NOP_EXPR.
2325         * c-convert.c (convert): Use fold_convert instead of building
2326         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2327         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2328         #if 0 code.
2329         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2330         NOP_EXPR the same as CONVERT_EXPR.
2331         * c-typeck.c (build_function_call): Use fold_convert instead of
2332         building a NOP_EXPR directly.
2333         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2334
2335 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2336
2337         PR rtl-optimization/25197
2338         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2339         have a reg.
2340
2341 2005-12-02  Stuart Hastings  <stuart@apple.com>
2342
2343         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2344         warning.
2345
2346 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2347
2348         * c-typeck.c (default_function_array_conversion,
2349         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2350         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2351         orig_op2.  Don't check them for NOP_EXPR.
2352         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2353         around integer zero.
2354
2355 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2356
2357         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2358         toc_save_offset, toc_size, lr_size.
2359         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2360         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2361         Adjust for removal of unused rs6000_stack_t fields.
2362         (debug_stack_info): Adjust.
2363         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2364         first, and don't bother checking for set/inc of lr on sibcalls.
2365         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2366
2367 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2368
2369         PR target/25199
2370         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2371         5 if operand 1 is not aligned.  Undo previous constraint change.
2372         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2373
2374 2005-12-02  Richard Guenther  <rguenther@suse.de>
2375
2376         * tree.h (build): Remove prototype.
2377         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2378         * tree.c (build): Remove.
2379         (build0_stat): Update comment.
2380
2381 2005-12-02  Richard Guenther  <rguenther@suse.de>
2382
2383         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2384         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2385         Likewise.
2386         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2387         maybe_fold_offset_to_component_ref): Likewise.
2388         * tree-ssa-dom.c (thread_across_edge,
2389         simplify_rhs_and_lookup_avail_expr,
2390         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2391         Likewise.
2392         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2393         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2394         lower_try_finally_switch): Likewise.
2395         * tree-if-conv.c (add_to_dst_predicate_list,
2396         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2397         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2398         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2399         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2400         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2401         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2402         gimplify_init_ctor_eval, gimplify_init_constructor,
2403         gimplify_variable_sized_compare, gimplify_boolean_expr,
2404         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2405         gimplify_expr, gimplify_body, gimplify_function_tree,
2406         force_gimple_operand): Likewise.
2407         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2408         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2409         mx_register_decls): Likewise.
2410         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2411         get_frame_field, finalize_nesting_tree_1): Likewise.
2412         * tree-inline.c (setup_one_parameter): Likewise.
2413         * tree-vect-transform.c (vectorizable_condition): Likewise.
2414         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2415         Likewise.
2416         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2417         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2418         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2419         * tree-chrec.h (build_polynomial_chrec): Likewise.
2420
2421 2005-12-02  Richard Guenther  <rguenther@suse.de>
2422
2423         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2424         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2425         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2426         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2427         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2428         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2429         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2430         Likewise.
2431         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2432         sh_adjust_unroll_max): Likewise.
2433         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2434         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2435         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2436         Likewise.
2437         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2438         Likewise.
2439         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2440         Likewise.
2441
2442 2005-12-02  Richard Guenther  <rguenther@suse.de>
2443
2444         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2445         simplify_cond_using_ranges): Use buildN instead of build.
2446         * tree-tailcall.c (adjust_accumulator_values,
2447         adjust_return_value): Likewise.
2448         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2449         generate_element_copy, generate_element_zero,
2450         generate_one_element_init): Likewise.
2451         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2452         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2453         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2454         perfect_nestify): Likewise.
2455
2456 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2457
2458         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2459
2460 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2461
2462         * ggc.h (GGC_RESIZEVEC): New.
2463
2464 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2465
2466         * gcc.c (execute): Improve readability.
2467
2468 2005-12-02  Richard Guenther  <rguenther@suse.de>
2469
2470         * tree-cfg.c (mark_used_vars): New function.
2471         (dump_function_to_file): Dump only used VAR_DECLs.
2472
2473 2005-12-02  Richard Guenther  <rguenther@suse.de>
2474
2475         * convert.c (convert_to_integer): Fix compare for nonpositive
2476         constant to use tree_int_cst_sgn <= 0.
2477
2478 2005-12-02  Richard Guenther  <rguenther@suse.de>
2479
2480         * convert.c (convert_to_integer): Use fold_convert instead
2481         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2482         instead of comparing against 0.  Use build_int_cst instead
2483         of converting integer_zero_node.
2484
2485 2005-12-02  Richard Guenther  <rguenther@suse.de>
2486
2487         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2488         and RROTATE_EXPR.
2489  
2490 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2491
2492         PR target/21017
2493         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2494         rotates.
2495
2496 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2497
2498         PR middle-end/25176
2499         * function.c (expand_function_end): Emit blockage for unwinder
2500         after return label.
2501
2502 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2503
2504         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2505         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2506         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2507         integer constant comparisons.
2508
2509 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2510             Janis Johnson  <janis187@us.ibm.com>
2511             David Edelsohn  <dje@watson.ibm.com>
2512             Ben Elliston  <bje@au.ibm.com>
2513
2514         * dfp.h, dfp.c: New files.
2515         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2516         (DECNUM_H): Likewise.
2517         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2518         (INCLUDES): Append $(DECNUMINC).
2519         (OBJS-common): Add dfp.o.
2520         (dfp.o): New rule.
2521         * real.h (EXP_BITS): Pinch one bit to ..
2522         (struct real_value): Add decimal field.
2523         (real_format): Change table size, update documentation.
2524         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2525         (real_from_string3): Declare.
2526         (decimal_single_format): Declare.
2527         (decimal_double_format): Declare.
2528         (decimal_quad_format): Declare.
2529         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2530         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2531         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2532         * real.c: Include dfp.h.
2533         (normalize): Early return for decimal floats.
2534         (do_add): Zero decimal field.
2535         (do_compare): Call do_decimal_compare for decimal floats.
2536         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2537         (real_arithmetic): Call decimal_real_arithmetic for decimal
2538         floating point operands.
2539         (real_identical): If a and b are of differing radix, return false.
2540         (real_to_integer): Call decimal_real_to_integer if the value is a
2541         decimal float.
2542         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2543         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2544         (real_to_hexadecimal): Place "N/A" in the return string for
2545         decimal float.
2546         (real_from_string3): New variant, given a mode.
2547         (real_maxval): Use decimal_real_maxval for decimal floats.
2548         (round_for_format): Use decimal_round_for_format for decimals.
2549         (real_convert): Use decimal_real_convert where appropriate.
2550         (significand_size): Handle base 10.
2551         (encode_decimal_single, decode_decimal_single,
2552         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2553         decode_decimal_quad): New functions.
2554         (decimal_single_format): New.
2555         (decimal_double_format): New.
2556         (decimal_quad_format): New.
2557         * machmode.def: Add SD, DD and TD decimal floating point modes.
2558         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2559         Include MODE_DECIMAL_FLOAT.
2560         (DECIMAL_FLOAT_MODE_P): New.
2561         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2562         * genmodes.c (struct mode_data): Add counter field.
2563         (struct mode_data): Update comment for format.
2564         (blank_mode): Initialise counter field.
2565         (new_mode): Increment counter field for each mode defined.
2566         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2567         using a format.
2568         (make_complex_modes): Handle modes containing `D'.
2569         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2570         (make_decimal_float_mode): New.
2571         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2572         (cmp_modes): Compare counter field if other characteristics
2573         similar.
2574         (emit_real_format_for_mode): Support formats for decimal floats.
2575         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2576         Document MODE_DECIMAL_FLOAT.
2577
2578 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2579
2580         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2581         Delete dead code.
2582
2583 2005-12-01  Richard Henderson  <rth@redhat.com>
2584
2585         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2586
2587 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2588
2589         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2590
2591         * config/pa/pa.c (pa_init_builtins): If we detect
2592         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2593         putc_unlocked.
2594
2595 2005-12-01  Richard Guenther  <rguenther@suse.de>
2596
2597         * fold-const.c (fold_binary): Use fold_build2, not
2598         fold (build (...)).
2599
2600 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2601
2602         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2603
2604         * vec.h (VEC_block_remove): New.
2605
2606 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2607
2608         PR c/13384
2609         * c-common.c (lvalue_error): Fix wording.
2610
2611 2005-12-01  Richard Guenther  <rguenther@suse.de>
2612
2613         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2614         thinko in last patch.
2615
2616 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2617
2618         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2619         than -flat_namespace.
2620
2621 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2622
2623         * mklibgcc.in: Parameterise the script to build soft float
2624         functions by iterating over each type, rather than cloning the
2625         code for each type.
2626
2627 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2628
2629         PR middle-end/25158
2630         * builtins.c (fold_builtin_fputs): Defer check for missing
2631         replacement functions.
2632
2633 2005-11-30  Kean Johnston  <jkj@sco.com>
2634
2635         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2636         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2637
2638 2005-11-30  Richard Guenther  <rguenther@suse.de>
2639
2640         PR tree-optimization/22501
2641         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2642         function split out from ...
2643         (forward_propagate_addr_expr): ... here.  Use it to propagate
2644         ADDR_EXPRs to all uses.
2645
2646 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2647
2648         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2649         * builtins.c (expand_builtin_mathfn): Use them.
2650         (expand_builtin_mathfn_2): Likewise.
2651         (expand_builtin_mathfn_3): Likewise.
2652         (expand_builtin_int_roundingfn): Likewise.
2653         (expand_builtin): Likewise.
2654         (integer_valued_real_p): Likewise.
2655         (fold_builtin_int_roundingfn): Likewise.
2656         (fold_builtin_bitop): Likewise.
2657         (fold_builtin_logarithm): Likewise.
2658         (fold_builtin_1): Likewise.
2659         * convert.c (convert_to_integer): Likewise.
2660         * fold-const.c (negate_mathfn_p): Likewise.
2661         (tree_expr_nonnegative_p): Likewise.
2662
2663 2005-11-30  Dale Johannesen  <dalej@apple.com>
2664             Andrew Pinski  <pinskia@physics.uc.edu>
2665
2666         * combine.c (find_split_point):  Sign extend bitmask
2667         when changing bitfield assignment to IOR of AND.
2668
2669 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2670
2671         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2672         clobber to scratch reg.
2673         (*decrement_and_branch_until_zero_no_clobber): Remove.
2674         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2675         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2676         * config/ms1/ms1.opt (mmul): Remove.
2677         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2678         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2679
2680 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2681             Bernd Schmidt  <bernd.schmidt@analog.com>
2682
2683         * pa/predicates.md (symbolic_operand): Add comment.
2684         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2685         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2686         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2687         (pa_secondary_reload_class): Delete.
2688         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2689         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2690         copy of symbolic operand.
2691         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2692
2693 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2694
2695         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2696         jump.
2697
2698 2005-11-30  Jeff Law  <law@redhat.com>
2699
2700         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2701         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2702
2703 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2704
2705         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2706         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2707         (ia64_expand_move): Adjust caller.
2708
2709         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2710         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2711         negate VAL.
2712
2713 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2714
2715         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2716         Always produce an output if we can remove NEGs or canonicalize
2717         (minus (minus ...)) expressions.  Provide a fast path for the
2718         two-operand case.
2719         (simplify_gen_binary): Do not call simplify_plus_minus.
2720         (simplify_binary_operation_1): Reassociate at the end of the
2721         function.
2722
2723 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2724
2725         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2726         moves and unpack to speed up.
2727
2728 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2729
2730         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2731         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2732         (gen_v9_scc): Update callers.
2733         * config/sparc/sparc.md: Likewise.
2734         * config/sparc/sparc-protos.h: Update extern declaration.
2735
2736         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2737
2738 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2739
2740         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2741         the if.
2742
2743 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2744
2745         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2746         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2747         (negate_expr): Here.
2748
2749 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2750
2751         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2752         Fix typo in comment.
2753
2754 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2755
2756         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2757         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2758
2759 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2760
2761         PR middle-end/20109
2762         PR middle-end/25120
2763         * builtins.c (init_target_chars): New.
2764         (expand_builtin_printf, expand_builtin_fprintf,
2765         expand_builtin_sprintf, fold_builtin_sprintf,
2766         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2767         fold_builtin_snprintf_chk, fold_builtin_printf,
2768         fold_builtin_fprintf): Check for matching format strings using
2769         the target charset.
2770
2771 2005-11-29  Paul Brook  <paul@codesourcery.com>
2772
2773         * config.gcc: Do not use fixproto on m68k-elf.
2774
2775 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2776
2777         * expmed.c (div_cost): Replace with...
2778         (sdiv_cost, udiv_cost): New.
2779         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2780         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2781         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2782         (expand_divmod): Replace use of div_cost with either sdiv_cost
2783         or udiv_cost depending upon the signedness of the operation.
2784
2785 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2786
2787         PR libfortran/24991
2788         * config/darwin.c (machopic_indirection_name,
2789         machopic_output_indirection): Follow transparent alias chain.
2790
2791 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2792
2793         * varasm.c (ultimate_transparent_alias_target): Add comment.
2794
2795 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2796
2797         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2798         SET_SRC instead of XEXP where appropriate.
2799
2800 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2801
2802         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2803         __builtin_expect.
2804
2805 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2806
2807         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2808         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2809         bit at a time.
2810
2811 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2812
2813         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2814         secondary_input_reload_class, made static.  Adapt to new
2815         infrastructure.
2816         (secondary_output_reload_class): Delete.
2817         (TARGET_SECONDARY_RELOAD): New macro.
2818         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2819         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2820
2821 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2822
2823         PR c++/21166
2824         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2825         when its natural alignment is > BITS_PER_UNIT.
2826         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2827         * c-common.c (handle_packed_attribute): Ignore packing on a field
2828         whose type is naturally char aligned.
2829
2830 2005-11-28  Richard Guenther  <rguenther@suse.de>
2831
2832         * c-common.c (strict_aliasing_warning): Handle all
2833         component-ref like accesses.
2834
2835 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2836             Uros Bizjak  <uros@kss-loka.si>
2837
2838         PR middle-end/20219
2839         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2840         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2841         when flag_unsafe_math_optimizations is set and
2842         we don't care about NaNs or Infinities.
2843
2844         Move x/expN(y) and x/pow(y,z) transformation into common
2845         flag_unsafe_math_optimizations section.
2846
2847 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2848
2849         * gcc.c (main): Change type of argv to "char **".
2850
2851 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2852
2853         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2854         small data sections.
2855         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2856         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2857         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2858         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2859         output locals to sbss if !rs6000_elf_in_small_data_p.
2860         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2861
2862 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2863
2864         PR target/24997
2865         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2866         generated by reload.
2867         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2868         indexed_or_indirect_address.
2869         (indexed_or_indirect_address): Don't test for base reg.  Call
2870         address_operand last.  Make it a special predicate.
2871
2872 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2873
2874         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2875
2876 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2877
2878         PR middle-end/24575
2879         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2880         is undefined.
2881         (negate_expr): Likewise.
2882
2883 2005-11-27  Andreas Schwab  <schwab@suse.de>
2884
2885         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2886         redundant parens.
2887
2888 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2889
2890         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2891         has EH predecessor edges.
2892
2893 2005-11-26  Eric Christopher  <echristo@apple.com>
2894
2895         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2896         register stalls by zero extending to the full register.
2897
2898 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2899
2900         * config/floatunsisf.c, config/floatunsidf.c,
2901         config/floatunsixf.c, config/floatunsitf.c: New files.
2902         * config/ia64/t-hpux: Add floatunsitf.c.
2903         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2904         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2905
2906 2005-11-26  Richard Henderson  <rth@redhat.com>
2907
2908         * c-lex.c (pragma_lex): Rename from c_lex.
2909         * c-pch.c: Update for pragma_lex rename.
2910         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2911         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2912         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2913         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2914         * doc/tm.texi: Likewise.
2915
2916 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2917
2918         PR middle-end/23669
2919         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2920         when overflow is undefined.
2921
2922 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2923
2924         * doc/md.texi (Insn Canonicalizations): Refer to the
2925         function commutative_operand_precedence for further rules.
2926
2927 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2928
2929         PR middle-end/21309
2930         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2931         is less than zero.  Limit mult_cost to a reasonable upper bound for
2932         the synthetic multiplication sequence.
2933
2934 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2935
2936         PR middle-end/25022
2937         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2938         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2939         Lookup the explicit replacement functions for any unlocked
2940         stdio builtin transformations.
2941
2942 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2943
2944         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2945         earlyclobber.
2946         * targhooks.c (default_secondary_reload): Don't require operand 2
2947         for an input reload to be earlyclobber.
2948
2949 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2950
2951         * fold-const.c (negate_mathfn_p): Fix comment and add support
2952         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2953         BUILT_IN_ATANH.
2954
2955 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2956
2957         PR middle-end/24998
2958         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2959         _Q_ulltoq for unsigned conversions from SImode and DImode to
2960         TFmode.
2961
2962 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2963
2964         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2965         (__floatundidf, __floatundisf): Likewise.
2966
2967 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2968
2969         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2970         (rs6000_override_options): Remove initialization of
2971         rs6000_sr_alias_set.
2972         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2973         (rs6000_emit_stack_tie): Same.
2974         (emit_frame_save): Same.
2975         (gen_frame_mem_offset): Same.
2976         (rs6000_emit_prologue): Same.
2977         (rs6000_emit_epilogue): Same.
2978
2979 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2980
2981         PR middle-end/24989
2982         * fold-const.c (fold_build): Convert bool_var != 1 and
2983         bool_var == 0 to !bool_var.
2984
2985 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2986
2987         PR middle-end/24990
2988         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2989         for C being INTEGER_CST.  Likewise for !=.
2990
2991 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2992
2993         PR middle-end/24998
2994         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2995         unsigned conversions from SImode to TFmode.
2996
2997 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2998
2999         * expr.c (expand_expr_real_1): Fix error in last change.
3000
3001 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3002
3003         * caller-save.c: (this_insn_sets): Move into:
3004         (save_call_clobbered_regs).
3005         (mark_set_regs): Get this_insn_sets from data.
3006
3007         (save_call_clobbered_regs): Take sets of the return value by
3008         sibcalls into account.
3009
3010 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3011         PR target/21623:
3012
3013         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3014         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3015         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3016         (memory_move_secondary_cost, init_reg_autoinc): Remove
3017         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3018         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3019         secondary_reload_class call.
3020         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
3021         callers.
3022         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3023         (push_secondary_reload): Use secondary_reload target hook.
3024         (secondary_reload_class, scratch_reload_class): New functions.
3025         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3026         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
3027         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3028         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3029         (secondary_reload_class, scratch_reload_class): Declare.
3030         * reload1.c: Include target.h.
3031         (reload_adjust_reg_for_temp): New function.
3032         (reload_adjust_reg_for_icode): Likewise.
3033         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3034         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3035         call.
3036         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
3037         for inheritance.  Support case when both secondary & tertiary reloads
3038         are for intermediate registers.
3039         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3040         with secondary_reload_class call.  Support case when both secondary
3041         & tertiary reloads are for intermediate registers.
3042         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3043         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3044         * target.h (secondary_reload_info): New struct / typedef.
3045         (struct gcc_target): New member secondary_reload.
3046         * targhooks.c Include reload.h, optabs.h and recog.h.
3047         (default_secondary_reload): New function.
3048         * targhooks.h (default_secondary_reload): Declare.
3049         * doc/tm.texi: Document secondary_reload target hook.  Update
3050         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3051         * doc/md.texi: Likewise.
3052
3053         * sh-protos.h (sh_secondary_reload): Declare.
3054         * sh.c (TARGET_SECONDARY_RELOAD): Override.
3055         (sh_secondary_reload): New function.
3056         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3057         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3058         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3059         (HAVE_SECONDARY_RELOADS): Define.
3060         * sh.md (reload_indf): Rename to:
3061         (reload_indf__frn).
3062         (reload_outdf): Rename to:
3063         (reload_outdf__RnFRm).
3064         (reload_insf): Rename to:
3065         (reload_insf__frn).
3066         (reload_insi): Rename to:
3067         (reload_insi__i_fpul).
3068
3069 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
3070
3071         * configure.ac: Require at least texinfo 4.4.
3072         * configure: Regenerate.
3073
3074         * doc/install.texi (Tools/packages necessary for building GCC):
3075         Update required version of texinfo to at least 4.4.
3076         (Installing GCC: Building): Update required version of texinfo
3077         to at least 4.4.
3078         (Installing GCC: Final installation): Update required version
3079         of texi2dvi to at least 4.4.
3080         (Host/target specific installation notes for GCC): Update required
3081         version of texinfo to at least 4.4.
3082
3083 2005-11-24  Richard Guenther  <rguenther@suse.de>
3084         Dirk Mueller <dmueller@suse.de>
3085
3086         PR c++/14024
3087         * c-common.h (strict_aliasing_warning): Declare.
3088         * c-common.c (strict_aliasing_warning): New function,
3089         split out from ...
3090         * c-typeck.c (build_c_cast): ... here.
3091
3092 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3093
3094         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3095         to order operands.
3096         (swap_commutative_operands_with_target): New.
3097
3098 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3099
3100         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3101         also when doing PRE, rather than only for global CPROP.
3102
3103 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3104
3105         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3106         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3107         formatting.
3108         (expand_twoval_unop): Likewise.
3109         (widen_clz): Likewise.
3110         (expand_parity): Likewise.
3111         (expand_unop): Likewise.
3112         (emit_cmp_and_jmp_insn_1): Likewise.
3113         (prepare_float_lib_cmp): Likewise.
3114
3115 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3116
3117         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3118         Remove unused `class' variable.
3119
3120 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3121
3122         PR c++/21667
3123         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
3124         C/C++ diagnostic function warn_array_subscript_with_type_char.
3125         * c-common.h (warn_array_subscript_with_type_char): Declare.
3126         * c-common.c (warn_array_subscript_with_type_char): Define.
3127
3128 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3129
3130         PR c/21668
3131         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3132         compiling at the intersection of C and C++.
3133
3134 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
3135
3136         * doc/invoke.texi: For man pages, include gcc-vers.texi.
3137         List @file in the option summary.  Include the libiberty
3138         documentation for @file.
3139         * gcc.c (main): Call expandargv.
3140         * Makefile.in (gcc-vers.texi): Define srcdir.
3141
3142 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
3143
3144         * passes.c (init_optimization_passes): Document
3145         sequencing of passes.
3146
3147 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
3148
3149         * config/m68k/predicates.md (pcrel_address, extend_operator,
3150         post_inc_operand, pre_dec_operand): Remove redundant
3151         conditionals.
3152         (const_uint32_operand, const_sint32_operand): Use gcc_assert
3153         instead of abort.
3154         (valid_dbcc_comparison_p): Rewrite in the lisp style.
3155
3156 2005-11-23  Ben Elliston  <bje@au.ibm.com>
3157
3158         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3159
3160 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
3161
3162         Preparatory work for PR target/21623:
3163         * alpha.c (secondary_reload_class): Rename to:
3164         (alpha_secondary_reload_class).
3165         * alpha.h, alpha-protos.h: Likewise.
3166         * mn10300.c (secondary_reload_class): Rename to:
3167         (mn10300_secondary_reload_class).
3168         * mn10300.h, mn10300-protos.h: Likewise.
3169         * pa.c (secondary_reload_class): Rename to:
3170         (pa_secondary_reload_class).
3171         * pa.h, pa-protos.h: Likewise.
3172         * rs6000.c (secondary_reload_class): Rename to:
3173         rs6000_secondary_reload_class.
3174         * rs6000.h, rs6000-protos.h: Likewise.
3175
3176 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
3177
3178         PR middle-end/22561
3179         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3180
3181 2005-11-22  Ian Lance Taylor  <ian@airs.com>
3182
3183         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3184         a mode_class.
3185         (prepare_cmp_insn): Likewise.
3186
3187 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
3188
3189         PR target/23435
3190         * m68k.md (zero_extendsidi2): Force operands[1] to a register
3191         if both operands[0] and operands[1] are memory.
3192
3193 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3194
3195         PR middle-end/23606
3196         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3197         COMPARISON_CLASS_P and an integral types create create a new
3198         expression with the new type and fold that.
3199
3200 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3201
3202         PR target/24988
3203         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3204         to SUBTARGET_OS_CPP_BUILTINS.
3205
3206 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
3207
3208         * arm.c (emit_set_insn): New function.
3209         (arm_split_constant): Call it.
3210         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3211         (arm_legitimize_address): Likewise.  Use plus_constant.
3212         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
3213         (thumb_expand_prologue): Likewise.
3214         (arm_gen_load_multiple): Use VOIDmode in SET.
3215         (arm_gen_store_multiple): Likewise.
3216         (vfp_emit_fstmx): Likewise.  Use plus_constant.
3217         (emit_multi_reg_push): Likewise.
3218         (emit_sfm): Use plus_constant.
3219
3220 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
3221
3222         PR target/24954
3223         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3224         typo last change.
3225
3226 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3227
3228         PR middle-end/24950
3229         * expmed.c (store_bit_field): Don't attempt to insv a field
3230         larger than the reg.
3231
3232 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3233
3234         PR target/24954
3235         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3236         explicit sign extension, not a (char) cast.
3237
3238 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3239
3240         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3241         GET_MODE_CLASS (x) == MODE_FLOAT.
3242         * config/i386/i386.c: Likewise.
3243         * config/rs6000/xcoff.h: Likewise.
3244         * config/rs6000/linux64.h: Likewise.
3245         * config/rs6000/rs6000.c: Likewise.
3246         * config/rs6000/rs6000.h: Likewise.
3247         * config/rs6000/predicates.md: Likewise.
3248         * config/rs6000/sysv4.h: Likewise.
3249
3250 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3251
3252         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3253         flag_pic is set.
3254
3255         * config/alpha/freebsd.h, config/alpha/linux.h,
3256         config/arm/linux-elf.h, config/bfin/bfin.h,
3257         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3258         config/i386/beos-elf.h, config/i386/gnu.h,
3259         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3260         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3261         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3262         config/rs6000/linux64.h, config/rs6000/sysv4.h,
3263         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3264         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3265         config/sparc/linux.h, config/sparc/linux64.h,
3266         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3267
3268         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3269         are both defined when either flag -fpic or -fPIC are used.
3270
3271 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3272
3273         * config/fp-bit.c (clzusi): New function.
3274         (si_to_float, usi_to_float): Use it to compute proper shift.
3275         (usi_to_float): Preserve guard bits when shifting right.
3276         * libgcc-std.ver (GCC_4.2.0): New version.
3277         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3278         __floatundisf): New functions.
3279         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3280         __floatundisf): Declare.
3281         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3282         _floatundixf, and _floatunditf.
3283         * optabs.c (expand_float): If target does not define a pattern for
3284         signed or unsigned conversion, use an unsigned libcall instead of
3285         a signed one.
3286         (init_optabs): Initialize ufloat_optab.
3287
3288 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3289
3290         * config/rs6000/rs6000.opt (mmulhw): New option.
3291         * doc/invoke.texi (-mmulhw): Document.
3292         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3293         for 405 and 440.
3294         * config/rs6000/rs6000.md: Add half-word multiply and
3295         multiply-accumulate instructions for 405 and 440.
3296
3297 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3298
3299         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3300         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3301         default now includes a linker group which makes the RTEMS one nest.
3302
3303 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3304
3305         * cse.c (fold_rtx): Typo fix.
3306         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3307
3308 2005-11-21  Richard Henderson  <rth@redhat.com>
3309
3310         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3311         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3312
3313         * c-tree.h (lookup_name): Move declaration ...
3314         * c-common.h (lookup_name): ... here.
3315         * config/darwin-c.c: Include c-common.h.
3316         * config/t-darwin: Update dependencies.
3317
3318 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3319
3320         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3321         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3322         * genopinit.c (gen_insn): Likewise.
3323         * reload.c (find_equiv_reg): Likewise.
3324         * loop.c (load_mems): Likewise.
3325         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3326         * cse.c (find_comparison_args, fold_rtx): Likewise.
3327         * dwarf2out.c (add_const_value_attribute): Likewise.
3328         * expr.c (convert_move): Likewise.
3329         * recog.c (general_operand, register_operand): Likewise.
3330         * reg-stack.c (replace_reg): Likewise.
3331         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3332         * c-common.c (handle_vector_size_attribute): Likewise.
3333         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3334         (simplify_binary_operation_1): Likewise.
3335         (simplify_const_binary_operation): Likewise.
3336         (simplify_relational_operation): Likewise.
3337         (simplify_const_relational_operation): Likewise.
3338         (simplify_immed_subreg): Likewise.
3339         * emit-rtl.c (gen_lowpart_common): Likewise.
3340         * expmed.c (expand_mult): Likewise.
3341         * stor-layout.c (layout_type): Likewise.
3342
3343 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3344
3345         PR target/24951
3346         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3347         cst2 only for SPE vectors.
3348
3349 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3350
3351         PR target/24953
3352         * config/rs6000/predicates.md (vrsave_operation): Check
3353         UNSPEC_VOLATILE value.
3354
3355 2005-11-21  Jan Hubicka  <jh@suse.cz>
3356
3357         PR tree-optimization/24653
3358         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3359
3360 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3361
3362         * config/i386/predicates.md (ax_reg_operand): New predicate.
3363         (memory_displacement_only_operand): New predicate.
3364         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3365         operand is AX register and the other operand is memory operand
3366         with displacement only.
3367
3368 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3369
3370         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3371         if we don't care about NaNs or Infinities.
3372
3373 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3374
3375         PR rtl-optimization/24883
3376         * combine.c (combinable_i3pat): When checking whether the
3377         destination of i3 is used in i3, consider paradoxical subregs.
3378
3379 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3380
3381         PR middle-end/20583
3382         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3383
3384 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3385
3386         * combine.c (try_combine): Do not run subst on i1src and i2src in
3387         the case of generating a PARALLEL for a comparison.
3388
3389 2005-11-20  Richard Henderson  <rth@redhat.com>
3390
3391         PR 24931
3392         * tree-sra.c (struct sra_elt): Add all_no_warning.
3393         (struct sra_walk_fns) <use>: Add use_all argument.
3394         (sra_walk_expr): Pass it.
3395         (sra_walk_modify_expr): Likewise.
3396         (scalarize_ldst): Likewise.
3397         (scan_use): Update for new argument.
3398         (mark_no_warning): New.
3399         (scalarize_use): Use it.
3400
3401 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3402
3403         * expr.c (expand_expr_real): Use usmul_optab for widening
3404         signed * unsigned multiplies.
3405         * genopinit.c (optabs): Add usmul_widen_optab.
3406         * optabs.c (init_optabs): Likewise.
3407         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3408         (usmul_widen_optab): Define.
3409         * config/bfin/bfin.md (usmulhisi3): New pattern.
3410
3411         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3412
3413 2005-11-20  Graham Stott <btinternet.com>
3414
3415         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3416
3417 2005-11-20  Andreas Schwab  <schwab@suse.de>
3418
3419         PR target/24757
3420         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3421         insn.
3422
3423 2005-11-19  Richard Henderson  <rth@redhat.com>
3424
3425         PR tree-opt/24665
3426         * tree-gimple.c (is_gimple_id): Export.
3427         * tree-gimple.h (is_gimple_id): Declare.
3428         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3429         (get_default_value): Use it.
3430         (maybe_fold_stmt_indirect): Likewise.
3431
3432 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3433
3434         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3435         than VR1 or vice-versa.
3436
3437 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3438
3439         PR middle-end/24912
3440         PR middle-end/24750
3441         * reload.c (find_reloads_address_1): Mention dependency on
3442         gen_reload.
3443         * reload1.c (gen_reload): For IN with an unary operation, try
3444         moving inner expression to OUT if trivial SET is not valid.
3445         Confirm that the result is valid.  Move common code block into...
3446         (emit_insn_if_valid_for_reload): New function.
3447
3448 2005-11-19  Richard Guenther  <rguenther@suse.de>
3449
3450         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3451         ARRAY_REFs of constant strings.
3452
3453 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3454
3455         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3456         fatal format string.
3457
3458 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3459
3460         * combine.c (make_compound_operation): Swap operands of
3461         commutative operation if necessary before returning.
3462
3463 2005-11-19  Richard Guenther  <rguenther@suse.de>
3464
3465         PR middle-end/23294
3466         * fold-const.c (fold_plusminus_mult_expr): New function.
3467         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3468         cases, remove now unnecessary code.
3469
3470 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3471
3472         * gensupport.c (old_preds): Rename to std_preds, add special field.
3473         (struct old_pred_table): Rename to struct std_pred_table, add special
3474         field.
3475         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3476         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3477         (init_predicate_table): Adjust, and set along the way whether a
3478         predicate is special.
3479
3480 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3481
3482         * BASE-VER: Change to 4.2.0.
3483
3484 2005-11-18  James E Wilson  <wilson@specifix.com>
3485
3486         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3487         returning it.
3488
3489 2005-11-18  Mike Stump  <mrs@apple.com>
3490
3491         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3492         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3493         * c-decl.c (lookup_name_two) Remove.
3494         * c-tree.h (lookup_name_two): Remove.
3495         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3496         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3497         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3498         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3499
3500 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3501
3502         PR target/24914
3503         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3504         when not generating code to use that co-processor.
3505
3506 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3507
3508         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3509         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3510         these functions are now in tree-phinodes.c.
3511
3512 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3513
3514         * config/bfin/bfin.md (trap): New pattern.
3515
3516 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3517
3518         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3519         on types.
3520
3521         * expr.c (expand_expr_real): Don't call record_block_change unless
3522         ib_boundaries_block is non-null
3523
3524         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3525
3526         * fold-const.c (build_range_check): Use proper type for subtraction
3527         when merging lower bound.
3528
3529 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3530
3531         PR rtl-optimization/24497
3532         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3533         the copied insn.
3534
3535 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3536
3537         * tree-scalar-evolution.c (expression_expensive_p): New function.
3538         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3539
3540 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3541
3542         * config/bfin/crtlibid.s: New file.
3543
3544 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3545
3546         PR target/24348
3547         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3548         when not using sjlj exceptions.
3549         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3550         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3551         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3552         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3553         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3554         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3555         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3556         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3557         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3558         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3559         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3560         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3561         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3562         defines.
3563         * config/pa/hpux-unwind.h: New file.
3564
3565 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3566
3567         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3568         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3569         * varasm.c (do_assemble_alias): Adjust call.
3570         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3571         is defined.
3572         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3573
3574 2005-11-17  James E Wilson  <wilson@specifix.com>
3575
3576         * tree.def (FUNCTION_DECL): Correct typo in comment.
3577
3578 2005-11-17  Richard Henderson  <rth@redhat.com>
3579
3580         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3581         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3582         and DW_CFA_def_cfa_sf.
3583         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3584         (dbx_reg_number): Don't assert particular registers here.
3585         (based_loc_descr): ... do it here instead.  Fold in ...
3586         (eliminate_reg_to_offset): ... this function.
3587         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3588         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3589         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3590         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3591         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3592         (instantiate_virtual_regs): Likewise.
3593         * var-tracking.c (adjust_stack_reference): Likewise.
3594         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3595
3596 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3597
3598         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3599         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3600         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3601         crtlibid.o.
3602         ($(T)crtlibid.o): New rule.
3603
3604 2005-11-16  Richard Guenther  <rguenther@suse.de>
3605
3606         PR middle-end/24851
3607         * fold-const.c (extract_array_ref): Return byte offset
3608         in all cases.
3609         (fold_binary): Fold &x[a] CMP &x[b] to
3610         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3611         behavior.
3612
3613 2005-11-16  Richard Henderson  <rth@redhat.com>
3614
3615         PR middle-end/23497
3616         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3617         parts of an SSA_NAME.
3618
3619 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3620
3621         PR target/24861
3622         * arm.md (split for movsf with immediate): Restrict split to insns
3623         that set a general register.
3624
3625 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3626
3627         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3628         uw_update_context.
3629         * unwind-dw2.c (uw_advance_context): Likewise.
3630         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3631         _Unwind_SjLj_Unregister.
3632         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3633
3634 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3635
3636         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3637
3638 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3639
3640         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3641         langhook to get a DImode integer type.
3642
3643 2005-11-16  Richard Henderson  <rth@redhat.com>
3644             J"orn Rennecke <joern.rennecke@st.com>
3645             Ulrich Weigand  <uweigand@de.ibm.com>
3646
3647         PR rtl-opt/24160
3648         PR target/24621
3649         * reload1.c (reg_equiv_invariant): New.
3650         (reload): Allocate, initialize, and free it.
3651         (calculate_needs_all_insns): Check it when skipping equivalence
3652         setting insns.
3653         (alter_reg): Likewise.
3654         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3655         may_use_invariant argument; only use reg_equiv_invariant when true.
3656         (eliminate_regs): New.
3657         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3658         a context for which may_use_invariant may be true.
3659
3660 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3661
3662         * fold-const.c (const_binop): Don't constant fold the operation
3663         if the result has overflowed and flag_trapping_math.
3664         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3665
3666 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3667
3668         * config/arm/unwind-arm.c (abort): Add prototype here.
3669         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3670         (struct phase1_vrs): Add prev_sp.
3671         (unwind_phase2_forced): Save the original core registers instead of
3672         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3673         and set action flags accordingly.  Always set _US_END_OF_STACK when
3674         get_eit_entry fails.  Unwind before calling the stop function.
3675         (_Unwind_GetCFA): New function.
3676         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3677         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3678         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3679         just call unwind_phase2_forced.
3680         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3681         * config/arm/unwind-arm.h (abort): Remove prototype.
3682         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3683         prototypes.
3684         (_Unwind_GetCFA): New prototype.
3685         * config/arm/pr-support.c (abort): Add prototype here.
3686         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3687         forced unwinding.
3688         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3689         not schedule the prologue with non-call exceptions and EABI.
3690
3691 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3692
3693         * config/arm/unwind-arm.h: Reorder interface function declarations.
3694         (_URC_END_OF_STACK): New enumeration value.
3695         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3696         (struct _Unwind_Control_Block): Document reserved field use.
3697         (_Unwind_Stop_Fn): New typedef.
3698         (_Unwind_ForcedUnwind): Declare.
3699         (_Unwind_Resume_or_Rethrow): Declare.
3700         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3701         argument.  Adjust.
3702         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3703         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3704         (UCB_FORCED_STOP_ARG): New.
3705         (search_EIT_table): Update boundary condition checks.
3706         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3707         (unwind_phase2): Replace for with do..while.
3708         (unwind_phase2_forced): New.
3709         (__gnu_Unwind_RaiseException): Replace for with do..while.
3710         (__gnu_Unwind_ForcedUnwind): New.
3711         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3712         Use appropriate phase2 unwinder.
3713         (__gnu_Unwind_Resume_or_Rethrow): New.
3714         (__gnu_unwind_pr_common): Cope with forced unwinding.
3715
3716 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3717
3718         PR target/24772
3719         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3720
3721         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3722         roundsf2): Remove "s" from mnemonic.
3723
3724 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3725
3726         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3727         __PIC__ is defined.
3728         * config/bfin/crtn.s: Change epilogues to match.
3729         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3730         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3731         __PIC__ and __pic__.
3732
3733 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3734
3735         PR 24357
3736         * doc/invoke.texi: Distinguish between free and fixed form instead of
3737         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3738         languages.
3739         * gcc.c (default_compilers): Remove double entries, add entries for
3740         suffixes '.F90' and '.F95'.
3741
3742 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3743
3744         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3745         in the stack probing loop.
3746
3747 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3748
3749         * configure.ac: Use .machine power5 not power5x.
3750         * configure: Regenerate.
3751
3752 2005-11-15  Mike Stump  <mrs@apple.com>
3753
3754         * c-decl.c (lookup_name_two): Add.
3755         * c-tree.h (lookup_name_two): Likewise.
3756         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3757         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3758
3759 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3760
3761         PR rtl-optimization/23392
3762         * regrename.c (enum scan_actions) Add mark_access.
3763         (scan_actions_name): Ditto.
3764         (scan_rtx_reg): Handle mark_access.
3765         (scan_rtx_address): Do nothing for mark_access.
3766         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3767         and regs in REG_INC notes before closing chains for dead regs.
3768         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3769         opening chains for new writes.
3770
3771 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3772
3773         * c.opt (ffixed-line-length-none): New.
3774
3775 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3776
3777         * mklibgcc.in: Change contents of eh_dummy.c.
3778
3779 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3780
3781         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3782
3783 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3784
3785         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3786         of making syscalls.
3787         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3788
3789 2005-11-15  Jan Hubicka  <jh@suse.cz>
3790
3791         * invoke.texi (large-unit-insns): Document.
3792         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3793         * params.def (large-unit-insns): New param.
3794
3795 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3796
3797         PR target/24869
3798         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3799         special register for operand 3.  Reindent constraints to align
3800         them vertically.
3801
3802 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3803
3804         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3805         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3806         * configure.ac: Add test for FP rounding instructions.
3807         * configure: Regenerate.
3808         * config.in: Regenerate.
3809         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3810         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3811         features enabled.
3812         * config/rs6000/rs6000.opt (mfprnd): New.
3813         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3814         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3815         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3816         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3817         (TARGET_FPRND): New.
3818         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3819         UNSPEC_FRIZ): New.
3820         (btrunc<mode>2): New.
3821         (ceil<mode>2): New.
3822         (floor<mode>2): New.
3823         (round<mode>2): New.
3824
3825 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3826
3827         * gcc.c (version_compare_spec_function): Use fatal() rather than
3828         abort().
3829
3830         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3831         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3832         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3833         as empty.
3834         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3835         link in crt2.o.
3836
3837         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3838         on -mmacosx-version-min setting.
3839
3840 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3841
3842         PR 24840
3843         * tree-vrp.c (infer_value_range): Return false if STMT is a
3844         block terminator and its basic block has no successors.
3845
3846 2005-11-14  Mike Stump  <mrs@apple.com>
3847
3848         * config/i386/i386.c (override_options): -masm=intel isn't
3849         supported on darwin.
3850         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3851
3852 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3853
3854         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3855         vfork after including auto-host.h.
3856
3857 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3858
3859         PR rtl-optimization/22002
3860         * combine.c (distribute_notes): Detect cases where a reg dies
3861         two or more times in a bb, including on the insn we are combining,
3862         and place the death note on the correct range.
3863
3864 2005-11-14  Dale Johannesen  <dalej@apple.com>
3865
3866         * expmed.c (store_bit_field):  Add offset unconditionally for
3867         memory targets.
3868         (extract_bit_field):  Don't force extzv or extv operand into
3869         a register if field is too big.
3870
3871 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3872
3873         * config/arm/arm.c (pic_labelno): New.
3874         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3875         LABEL_REF.  Pass only the labelno to PIC insns.
3876         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3877         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3878         * arm.md (UNSPEC_PIC_LABEL): New constant.
3879         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3880         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3881         Use the correct label prefix.
3882
3883 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3884
3885         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3886         REQ_EQUIV note.
3887
3888 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3889
3890         * loop-invariant.c: Include tm_p.h.
3891         * Makefile.in: Updated.
3892
3893 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3894
3895         * pa.c (store_reg): Revise generation of frame notes in large frames.
3896         (set_reg_plus_d): Likewise.
3897
3898 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3899
3900         PR tree-optimization/24709
3901         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3902         loop check.
3903
3904 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3905
3906         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3907         and duplicate declaration of pthread_self.
3908
3909 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3910             Ian Lance Taylor  <ian@airs.com>
3911
3912         PR middle-end/24003
3913         * calls.c (expand_call): If TARGET is a MEM and some part of the
3914         argument area has been saved, force TARGET to a register.
3915
3916 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3917
3918         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3919         checking.
3920
3921 2005-11-13  Jason Merrill  <jason@redhat.com>
3922
3923         PR c++/22489
3924         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3925         lazily declared methods.
3926         (force_decl_die): Stop if forcing out the context already make a
3927         DIE for the decl.
3928         (force_type_die): Likewise.
3929
3930 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3931
3932         PR middle-end/24820
3933         * builtins.c (integer_valued_real_p): Add break in
3934         REAL_CST having TREE_OVERFLOW set.
3935
3936 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3937
3938         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3939         addressing modes during calculation of costs.
3940
3941 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3942
3943         * function.c (assign_stack_local_1): Restrict sanity check
3944         on frame size overflow to 32-bit and above platforms.
3945
3946 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3947
3948         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3949         * config/cris/cris.c: Include reload.h.
3950         (cris_initial_elimination_offset): New function.
3951         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3952         Prototype.
3953
3954 2005-11-12  Richard Guenther  <rguenther@suse.de>
3955
3956         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3957
3958 2005-11-12  Jan Hubicka  <jh@suse.cz>
3959
3960         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3961         to compare against 0 when possible.
3962
3963 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3964
3965         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3966         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3967         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3968         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3969         in the new order.
3970
3971 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3972
3973         * recog.c (constrain_operands) <case 'g'>: For a match, require
3974         that a non-register matches general_operand when strict >= 0.
3975
3976 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3977
3978         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3979         previous checkin.
3980
3981 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3982
3983         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3984         (memory_address_same): New.
3985         (dse_optimize_stmt): Call memory_address_same.
3986
3987 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3988
3989         PR middle-end/24750
3990         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN