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* combine.c (try_combine): Improve splitting of binary operators
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-19  Roger Sayle  <roger@eyesopen.com>
2
3         * combine.c (try_combine): Improve splitting of binary operators
4         by taking advantage of reassociative transformations.
5
6 2005-12-19  Jeff Law  <law@redhat.com>
7
8         * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
9         Strip away all type conversions after simplifying the
10         condition.
11
12         * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
13         cases the forwarder block dominates the destination.
14
15 2005-12-19  DJ Delorie  <dj@redhat.com>
16
17         * reload1.c (spill_failure): Dump reload data to dump file.
18         (find_reload_regs): Likewise.
19
20 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
21
22         PR tree-optimization/24793
23         * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
24         original reference if there are subvars.
25         * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
26
27 2005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>
28
29         * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
30         Corrected basic block number calculations for changes in entry and
31         exit numbering.
32         
33 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
34
35         * tree-flow.h (struct var_ann_d): Change type of
36         may_aliases field to VEC(tree, gc) *.
37         (may_aliases): Declaration changed.
38         * tree-ssa-alias.c (group_aliases, add_may_alias,
39         replace_may_alias, dump_may_aliases_for,
40         is_aliased_with, add_type_alias, new_type_alias):
41         Work with VEC(tree, gc) * instead of varray.
42         * tree-flow-inline.h (may_aliases): Ditto.
43         * tree-ssa.c (verify_flow_insensitive_alias_info,
44         verify_name_tags): Ditto.
45         * tree-ssa-operands.c (add_stmt_operand): Ditto.
46
47 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
48
49         * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
50         comes back.
51
52 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
53
54         * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
55         check.
56
57 2005-12-19  Ben Elliston  <bje@au.ibm.com>
58
59         * doc/install.texi (Configuration): Typo in Fortran subheading.
60
61 2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>
62
63         * config/mt/mt.md (decrement_and_branch_until_zero): Add another
64         scratch.  Correct its reload split. Adjust its peephole.
65         (doloop_end): Add additional scratch.
66         (nop): Use 'nop'.
67         * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
68         (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
69         (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
70         (mt_builtin_saveregs): Replace with ...
71         (mt_setup_incoming_varargs): ... here.  Save just the varadic
72         args.
73         (mt_va_start): Remove.
74         (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
75         (mt_machine_reorg): Split all insns here.
76         (TARGET_SETUP_INCOMING_VARARGS): Override.
77         * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
78         Set to CPU type.
79         (EXPAND_BUILTIN_VA_START): Remove.
80
81 2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
82
83         * flow.c (update_life_info, count_or_remove_death_notes): Fixed
84         latent bug that could happen if update_life_info was called with a
85         blocks parameter and the call to cleanup_cfg actually deleted one
86         of those blocks. 
87
88 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
89
90         * tree-ssa-structalias.c (update_alias_info): Remove handling
91         of may_be_aliased (SSA_NAME_VAR (op)) case.
92
93 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
94
95         * tree-flow.h (struct stmt_ann_d): Remove
96         makes_aliased_loads and makes_aliased_stores fields.
97         * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
98         and makes_aliased_loads fields.
99         * tree-ssa-dom.c (eliminate_redundant_computations): Do not
100         use makes_aliased_stores.
101         * tree-ssa-operands.c (clobbered_aliased_loads,
102         clobbered_aliased_stores, ro_call_aliased_loads): Removed.
103         (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
104         add_call_read_ops): Do not set makes_aliased_stores and
105         makes_aliased_loads fields.
106         * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
107         field.
108
109 2005-12-18  Geoffrey Keating  <geoffk@apple.com>
110
111         * config/darwin.h: Don't include darwin-sections.def to declare
112         global variables; instead create darwin_section_enum.
113         (darwin_section_enum): New.
114         (darwin_sections): New.
115         * config/darwin.c: Don't include darwin-sections.def to define
116         global variables.
117         (darwin_sections): New.
118         (output_objc_section_asm_op): Rewrite to take advantage of
119         darwin_sections.
120         (darwin_init_sections): Rewrite to use darwin_sections.
121         (machopic_output_indirection): Update for darwin_sections array.
122         (machopic_select_section): Likewise.
123         (machopic_select_rtx_section): Likewise.
124         (machopic_asm_out_constructor): Likewise.
125         (machopic_asm_out_destructor): Likewise.
126         (darwin_file_end): Likewise.
127         * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
128         * config/i386/i386.c (machopic_output_stub): Likewise.
129
130 2005-12-18  Richard Guenther  <rguenther@suse.de>
131
132         PR tree-optimization/25481
133         * tree-ssa-structalias.c (handle_ptr_arith): Handle
134         accesses we don't have a varinfo for.
135
136 2005-12-17  Jon Grimm  <jgrimm2@us.ibm.com>
137             Janis Johnson  <janis187@us.ibm.com>
138             Ben Elliston  <bje@au.ibm.com>
139
140         * optabs.c (init_floating_libfuncs): Handle decimal float modes.
141         (init_optabs): Handle libfuncs for decimal float.
142         * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
143         * stor-layout.c (int_mode_for_mode): Likewise.
144         * simplify-rtx.c (simplify_immed_subreg): Likewise.
145         (simplify_unary_operation_1): Skip optimisations for decimal float
146         modes.
147         * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
148         * emit-rtl.c (gen_const_vector): Add assertion check.
149         (init_emit_once): Populate const_tiny_rtx with constants in each
150         decimal float mode.
151         * expmed.c (extract_high_half, expand_mult_highpart_optab,
152         expand_mult_highpart): Assert that mode is not a scalar float
153         mode.
154         * expr.c (convert_move): Handle conversion between decimal and
155         binary floats of the same size.
156         * convert.c (convert_to_real): Consider decimal float types when
157         folding.
158         * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
159         describe decimal floating point types.
160         
161 2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
162
163         PR rtl-optimization/21041
164         * reload.c (find_reloads_subreg_address): Replace paradoxical
165         subreg of MEM by widened access only if the resulting memory
166         is properly aligned, even on !STRICT_ALIGNMENT targets.
167
168 2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
169
170         * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
171
172 2005-12-18  Steven Bosscher  <stevenb@suse.de>
173
174         * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
175         the 2005-12-17 patch to renumber the entry and exit blocks.
176
177 2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
178
179         * doc/objc.texi (Type encoding): Fix typo.
180
181 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
182
183         * tree-tailcall.c (find_tail_calls): Use XNEW.
184         * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
185         (free_all_edge_infos): Use explicit cast to convert from void *.
186         (vrp_free): Likewise.
187         (dom_opt_finalize_block): Likewise.
188         (record_equivalences_from_incoming_edge): Likewise.
189         (thread_across_edge): Likewise.  Use XCNEWVEC.
190         (record_cond): Use XCNEW.
191         (record_conditions): Use XNEWVEC.
192         (record_edge_info): Use XCNEWVEC.
193         (lookup_avail_expr): Use XNEW.
194         (record_range): Likewise.  Use GGC_NEW.
195         * tree-nested.c (var_map_hash): Use explicit cast to convert from
196         void *.
197         (var_map_eq): Likewise.
198         (lookup_field_for_decl): Likewise.
199         (convert_nonlocal_reference): Likewise.
200         (convert_local_reference): Likewise.
201         (convert_nl_goto_reference): Likewise.
202         (convert_nl_goto_receiver): Likewise.
203         (convert_call_expr): Likewise.
204         (convert_tramp_reference): Likewise.
205         (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
206         (convert_nl_goto_reference): Likewise.
207         (lookup_field_for_decl): Use GGC_NEW.
208         (create_nesting_tree): Use GGC_CNEW.
209         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
210         * tree-ssa-alias.c (init_alias_info): Use XCNEW.
211         (create_alias_map_for): Likewise.
212         (setup_pointers_and_addressables): Use XCNEWVEC.
213         (get_ptr_info): Use GGC_NEW.
214         (used_part_map_eq): Use explicit cast to convert from void *.
215         (up_lookup): Likewise.
216         (up_insert): Use XNEW.
217         (get_or_create_used_part_for): Use XCNEW.
218         (get_tmt_for): Likewise.
219         * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
220         * tree-ssa-pre.c (phi_trans_add): Use XNEW.
221         (bitmap_set_new): Use explicit cast to convert from void *.
222         (set_new): Likewise.
223         (insert_into_set): Likewise.
224         (pool_copy_list): Likewise.
225         (phi_translate): Likewise.
226         (create_value_expr_from): Likewise.
227         (insert_aux): Use XCNEWVEC.
228         (compute_avail): Use XNEWVEC.
229         * tree-ssa-live.c (calculate_live_on_entry): Likewise.
230         (sort_coalesce_list): Likewise.
231         (build_tree_conflict_graph): Use XCNEWVEC.
232         * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
233         * tree-ssa-copy.c (init_copy_prop): Likewise.
234         (fini_copy_prop): Likewise.
235         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
236         and XCNEWVEC.
237         (record_equiv): Use XNEW.
238         (uncprop_into_successor_phis): Use explicit cast to convert from
239         void *.
240         (uncprop_initialize_block): Likewise.
241
242 2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
243
244         PR tree-optimization/24378      
245         * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
246         basic-block after loop-versioning. 
247
248 2005-12-18  Jeff Law  <law@redhat.com>
249
250         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
251         to simplify SWITCH_EXPR_CODE moved from here to ...
252         * tree-ssa-forwprop.c (simplify_switch_expr): Here.
253         (tree-ssa-forward_propagate_single_use_vars): Call
254         simplify_switch_expr when appropriate.
255
256 2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
257
258         * doc/objc.texi (Type encoding): Add documentation about encoding
259         complex types and _Bool.
260
261 2005-12-17  Paul Brook  <paul@codesourcery.com>
262
263         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
264         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
265         when frame_pointer_needed. 
266
267 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
268
269         * tree-vn.c (vn_add): Use XNEW.
270         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
271         (ccp_fold): Likewise.
272         (fold_stmt_r): Use explicit cast to convert from void *.
273         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
274         (new_temp_expr_table): Likewise.
275         * gimplify.c (lookup_tmp_var): Use XNEW.
276         (gimplify_asm_expr): Use explcit cast to convert from void *.
277         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
278         (get_def_blocks_for): Use XNEW.
279         (add_to_repl_tbl): Likewise.
280         (mark_def_sites): Use explicit cast to convert from void *.
281         (def_blocks_free): Likewise.
282         (mark_def_sites_initialize_block): Likewise.
283         (update_ssa): Use XNEWVEC.
284         * tree-dfa.c (create_var_ann): Use GGC_NEW.
285         (create_stmt_ann): Likewise.
286         (create_tree_ann): Likewise.
287         (referenced_var_insert): Likewise.
288         (set_default_def): Likewise.
289         (referenced_var_lookup_if_exists): Use explicit cast to convert
290         from void *.
291         (referenced_var_lookup): Likewise.
292         (default_def): Likewise.
293         (set_default_def): Likewise.
294         * tree-cfg.c (create_bb): Likewise.
295         (edge_to_cases_cleanup): Likewise.
296         (verify_node_sharing): Likewise.
297         (record_switch_edge): Use XNEW.
298         (cleanup_dead_labels): Use XCNEWVEC.
299         (tree_duplicate_sese_region): Use XNEWVEC.
300         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
301         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
302         (int_tree_map_eq): Use explicit cast to convert from void *.
303         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
304         (__gcov_execl): Likewise.
305         (__gcov_execlp): Likewise.
306         (__gcov_execle): Likewise.
307         * tree-eh.c (struct_ptr_eq): Likewise.
308         (struct_ptr_hash): Likewise.
309         (lookup_stmt_eh_region_fn): Likewise.
310         (outside_finally_tree): Likewise.
311         (find_goto_replacement): Likewise.
312         (make_eh_edge): Likewise.
313         (mark_eh_edge): Likewise.
314         (add_stmt_to_eh_region_fn): Use GGC_NEW.
315         (record_in_finally_tree): Use XNEW.
316         (maybe_record_in_goto_queue): Use XRESIZEVEC.
317         (lower_try_finally_copy): Use XCNEWVEC.
318
319 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
320
321         * tree-inline.c (copy_body_r): Use explicit cast when converting
322         from void *.
323         (copy_bb): Likewise.
324         (copy_edges_for_bb): Likewise.
325         (remap_decl_1): Likewise.
326         (estimate_num_insns_1): Likewise.
327         * cgraph.c (hash_node): Use explicit cast when converting from
328         void *.
329         (eq_node): Likewise.
330         (cgraph_create_node): Use GGC_CNEW.
331         (cgraph_create_edge): Use GGC_NEW.
332         (cgraph_remove_node): Use explicit cast when converting from void *.
333         (hash_varpool_node): Likewise.
334         (eq_varpool_node): Likewise.
335         (cgraph_varpool_node): Use GGC_CNEW.
336         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
337         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
338         (eq_scev_info): Use explicit cast when converting from void *.
339         (find_var_scev_info): Likewise.
340         (set_instantiated_value): Likewise.
341         (gather_stats_on_scev_database_1): Likewise.
342         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
343         from void *.
344         * c-pch.c (c_common_write_pch): Use XNEWVEC.
345         (c_common_read_pch): Likewise.
346         * prefix.c (save_string): Use XNEWVEC.
347         (translate_name): Use explicit cast when converting from void *.
348         * c-ppoutput.c (print_line): Use explicit cast when converting
349         from void *.
350         (pp_dir_change): Likewise.
351         * c-cppbuiltin.c (builtin_define_std): Likewise.
352         (builtin_define_with_value): Likewise.
353         (builtin_define_with_value_n): Likewise.
354         (builtin_define_with_int_value): Likewise.
355         (builtin_define_type_max): Likewise.
356         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
357         (add_path): Use XNEW.
358         * c-format.c (check_format_info_main): Use GGC_NEW.
359         (format_type_warning): Use explicit cast when converting from void *.
360         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
361         xmalloc. 
362         (start_init): Likewise.
363         * tree-flow-inline.h (first_referenced_var): Use explicit cast
364         when converting from void *.
365         (next_referenced_var): Likewise.
366         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
367         * gensupport.c (lookup_predicate): Use explicit cast to convert
368         from void *.
369         (init_predicate_table): Use XCNEW instead of xcalloc.
370         * genpreds.c (process_define_predicate): Likewise.
371
372 2005-12-17  Danny Berlin <dberlin@dberlin.org>
373             Kenneth Zadeck <zadeck@naturalbridge.com>
374
375         * basic-block.h: Changed basic block numbering so that the entry
376         block is 0 and the exit block is 1.  Changed insn iterators so
377         that they are tolerant of blocks with no insns.
378         * regrename.c (copyprop_hardreg_forward): Changed basic block
379         numbering so that the entry block is 0 and the exit block is 1.
380         * sched-ebb.c (sehedule_ebbs): Ditto.
381         * tracer.c (branch_ratio_cutoff): Ditto.
382         * cfgloopmanip.c (fix_loop_structure): Ditto.
383         * cfghooks.c (verify_flow_info): Ditto.
384         * cfg.c (compact_blocks): Ditto.
385         * reorg.c (dbr_schedule): Ditto.
386         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
387         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
388         calculate_dominance_info): Ditto.
389         * cfganal.c (create_edge_list, print_edge_list,
390         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
391         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
392         dfs_enumerate_from): Ditto.
393         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
394         * ifcvt.c (find_if_case_2): Ditto.
395         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
396         find_basic_blocks): Ditto.
397         * predict.c (predict_loops, tree_bb_level_predictions,
398         predict_paths_leading_to, propagate_freq): Ditto.
399         * lcm.c (compute_antinout_edge, compute_laterin,
400         compute_available): Ditto.
401         * function.c (thread_prologue_and_epilogue_insns): Ditto.
402         * gcse.c (gcse_main, bypass_jumps): Ditto.
403         * profile.c (compute_branch_probabilities,
404         compute_value_histograms, branch_prob): Ditto.
405         * tree-flow-inline.h (bsi_start, bsi_after_labels,
406         bsi_last): Ditto.
407         * tree-ssa-phiopt.c (tree_ssa_phiopt,
408         blocks_in_phiopt_order): Ditto.
409         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
410         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
411         * tree-dfa.c (collect_dfa_stats): Ditto.
412         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
413         * cfglayout.c (fixup_reorder_chain): Ditto.
414         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
415         partition_hot_cold_basic_blocks): Ditto.
416         * var-tracking.c (vt_find_locations): Ditto.
417         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
418         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
419         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
420         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
421         * tree-ssa-reassoc.c (init_reassoc): Ditto.
422         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
423         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
424         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
425         and removed unused reverse orders.
426         * df.h (): Ditto.
427         * combine.c: Fix document typo.
428
429 2005-12-17  Jan Hubicka  <jh@suse.cz>
430
431         * tree-flow-inline.h (set_default_def, default_def): Kill.
432         * tree-dfa.c (default_defs): New global variable.
433         (default_def, set_default_def): New functions.
434         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
435         * tree-flow.h (struct var_ann_d): Kill default_def field.
436         (set_default_def, default_def): Update prototype.
437         (default_defs): Declare.
438
439 2005-12-16  Jeff Law  <law@redhat.com>
440
441         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
442         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
443         into tree-ssa-forwprop.c.
444         (eliminate_redundant_computations): Do not call
445         simplify_rhs_and_lookup_avail_expr anymore.
446         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
447         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
448         (tree_ssa_forward_propagate_single_use_vars): Call
449         simplify_not_neg_expr appropriately.
450
451 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
452
453         PR target/20016
454         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
455
456 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
457
458         PR rtl-optimization/25456
459         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
460         info->x_start with p->x_start.
461
462 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
463
464         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
465         introduced 2005-12-16.
466
467 2005-12-16  Steven Bosscher  <stevenb@suse.de>
468
469         PR rtl-optimization/23837
470         * optabs.c (expand_binop): For a multi-word rotate, never emit
471         a REG_NO_CONFLICT block.
472
473 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
474
475         PR middle-end/25457
476         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
477
478         PR target/25447
479         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
480         MODE_DECIMAL_FLOAT.
481
482 2005-12-16  Steven Bosscher  <stevenb@suse.de>
483
484         * loop-invariant.c (move_loop_invariants): Add missing hunk from
485         the previous patch, to nullify df.
486
487 2005-12-16  Steven Bosscher  <stevenb@suse.de>
488
489         * reorg.c (mostly_true_jump): Clean up code depending on
490         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
491         poor man's branch prediction, instead rely on REG_BR_PROB
492         notes to be available.
493
494 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
495
496         PR rtl-optimization/24899
497         * loop.c (strength_reduce): Don't reduce giv that is not always
498         computable and where add_val or mult_val can trap.
499
500         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
501
502 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
503
504         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
505         names of ms1-16-002 files.
506
507 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
508
509         PR driver/20425
510         * gcc.c (for_each_path): New function.
511         (add_to_obstack, file_at_path): New functions.
512         (struct file_at_path_info, struct add_to_obstack_info): New.
513         (build_search_list): Rewrite using for_each_path.  Constify struct
514         path_prefix pointer.  Add do_multi param.  Adjust all callers.
515         (find_a_file): Similarly, but just change existing param to bool.
516         (putenv_from_prefixes): Add do_multi param, make "paths" const.
517         (do_spec_path): Delete.
518         (struct spec_path_info): New.
519         (spec_path): New function.
520         (do_spec_1): Use for_each_path for %D and %I.
521         (find_file): Adjust for find_a_file changes.
522         (main): Search multilibs for specs.  Print multilib lib path for
523         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
524         (read_specs): Search multilibs for %include and %include_noerr.
525         (is_directory): Remove second string param.  Change last param
526         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
527         check path is a dir.  Update all callers.
528         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
529         * system.h (SMALL_ARG_MAX): Poison.
530         * config.gcc: Don't define SMALL_ARG_MAX.
531         * config.host: Likewise.
532         * config.build: Likewise.
533
534 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
535
536         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
537         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
538         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
539         simplify_logical): Move simplifications that do not require
540         additional infrastructure...
541         * simplify-rtx.c (simplify_unary_operation_1,
542         simplify_binary_operation_1): ... here.
543
544 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
545
546         PR 24823
547         * flow.c (mark_used_dest_regs): New function.
548         (mark_used_regs): Call mark_used_dest_regs.
549
550 2005-12-16  Jeff Law  <law@redhat.com>
551
552         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
553         represent a use and definition of the same SSA_NAME.
554
555 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
556             Janis Johnson  <janis187@us.ibm.com>
557             Ben Elliston  <bje@au.ibm.com>
558
559         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
560         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
561         * target.h (struct gcc_target): Add decimal_float_supported_p.
562         * targhooks.c (default_scalar_mode_supported_p): Handle
563         MODE_DECIMAL_FLOAT.
564         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
565         of inf, nan, finite, isinf and isnan.
566         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
567         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
568         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
569         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
570         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
571         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
572         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
573         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
574         Pedwarn if decimal floating point types are used.  Error if
575         decimal floating point is not supported by the target.
576         (finish_declspecs): Return type from DFP typespec_word.
577         * c-typeck.c (c_common_type): Choose the decimal floating point
578         type with the greater precision when determining a common type.
579         (convert_arguments): Warn if there is a mismatch between argument
580         and prototype for decimal float types.  Warn of conversions with
581         binary float types and of precision narrowing due to prototype.
582         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
583         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
584         (c_token_starts_declspecs): Likewise.
585         (c_parser_attributes): Likewise.
586         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
587         RID_DFLOAT64, RID_DFLOAT128.
588         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
589         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
590         (shorten_compare): Convert DFP/BFP operands to a common type.
591         (c_common_modes_and_builtins): Register built-in decimal float
592         types if the target supports them.
593         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
594         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
595         inf, nan, finite, isinf and isnan builtins.
596         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
597         (builtin_define_float_constants): Assert non-decimal radix.
598         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
599         Call builtin_define_decimal_float_constants for each type.
600         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
601         flags.  Use real_from_string3, which can handle binary or decimal
602         floats.
603         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
604         cts_dfloat64, cts_dfloat128.
605         * tree.c (build_common_tree_nodes_2): Add decimal float types.
606         * tree.h (enum tree_index): Add new enumeration values
607         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
608         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
609         (dfloat32_type_node): New macro.
610         (dfloat64_type_node, dfloat128_type_node): Likewise.
611         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
612         (dfloat128_ptr_type_node): Likewise.
613         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
614         bit decimal floating point types with "df", "dd" and "dl".
615         * c-format.h (enum format_lengths): Add new enumeration values
616         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
617         * c-format.c (printf_length_specs, scanf_length_specs): Add
618         entries for H, D, DD.
619         (print_char_table, scan_char_table): Use new entries.
620         (asm_fprintf_char_table, gcc_diag_char_table,
621         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
622         length arrays.
623         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
624         (DECIMAL64_TYPE_SIZE): Likewise.
625         (DECIMAL128_TYPE_SIZE): Likewise.
626         (TARGET_DEC_EVAL_METHOD): Likewise.
627         * doc/extend.texi (Decimal Float): New node.
628         (Constructing Calls): Document decimal float built-ins.
629         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
630         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
631         * ginclude/decfloat.h: New file.
632
633 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
634
635         * reload.c (find_reloads): Fix comment typo.
636         * recog.h (recog_memoized): Correct comment.
637
638 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
639
640         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
641         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
642         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
643         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
644         * doc/invoke.texi, doc/tm.texi: Fix typos.
645
646 2005-12-16  Ben Elliston  <bje@au.ibm.com>
647
648         * real.c (decimal_quad_format): Correct values for emin, emax.
649
650 2005-12-15  DJ Delorie  <dj@redhat.com>
651
652         * config/m32c/predicates.md (m32c_psi_scale): New.
653         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
654         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
655
656 2005-12-16  Jan Hubicka  <jh@suse.cz>
657
658         PR rtl-optimization/25224
659         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
660         tables.
661
662 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
663             Steven Bosscher <stevenb@suse.de>
664
665         * loop-invariant.c (df): New global variable.
666         (find_defs, check_dependencies, find_invariant_insn, record_uses,
667         find_invariants_bb, find_invariants_body, find_invariants,
668         find_invariants_to_move, move_invariants, free_inv_motion_data,
669         move_single_loop_invariants, move_loop_invariants): Do not pass df in
670         arguments.
671
672 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
673
674         * varasm.c (default_unique_section_1): Use special section
675         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
676
677 2005-12-16  Ben Elliston  <bje@au.ibm.com>
678
679         * doc/invoke.texi (Warning Options): Document -Walways-true being
680         enabled by -Wall.
681
682 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
683
684         PR other/25028
685         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
686         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
687         __floatunditf): Use #error if type sizes don't match requirements
688         of implementation.
689         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
690         as wider floating-point type.  Use #error if type sizes don't
691         match requirements of implementation.  Avoid overflow in computing
692         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
693         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
694         (__floatundisf, __floatundidf): Likewise.
695         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
696         * config/ia64/ia64.c (ia64_init_libfuncs): Use
697         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
698         TFmode-TImode conversions.
699         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
700
701 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
702
703         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
704         Use builtin_define_with_int_value() instead of
705         adding a new check for every new major FreeBSD version.
706
707 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
708
709         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
710
711 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
712
713         * config/arm/predicates.md (call_memory_operand): New.
714         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
715
716 2005-12-15  Andrew Haley  <aph@redhat.com>
717
718         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
719         against prev_cache_entry == NULL when moving a cache entry to the
720         head of the list.
721         
722 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
723
724         * config/mt/mt.c (mt_override_options): Require lower case
725         architectures.  Revert accidental default to ms2.
726         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
727         ENDFILE_SPEC): Require lower case architectures.  Revert default
728         to ms2.
729
730         * doc/invoke.texi (MT Options): Rename and update.
731         * doc/md.texi (MorphoTech family): Rename and update.
732
733 2005-12-15  Olivier Hainque  <hainque@adacore.com>
734
735         * stor-layout.c (layout_type): Don't complain about a too small
736         an array element type size compared to its alignment when the
737         size overflows.
738
739 2005-12-15  Jan Hubicka  <jh@suse.cz>
740
741         PR target/24969
742         * i386.c (classify_argument): Properly adjust offset of bitfield for
743         substructures.
744
745 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
746
747         * final.c (final_scan_insn): Flip in_cold_section_p when changing
748         between the hot and cold sections.  Use current_function_section
749         to get the new section.
750         * dwarf2out.c (output_line_info): Use in_cold_section_p to
751         determine whether we are assembling hot or cold code.
752         (secname_for_decl, dwarf2out_var_location): Likewise.
753         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
754         * varasm.c (last_text_section): Delete.
755         (in_cold_section_p): New variable.
756         (hot_function_section): New function.
757         (current_function_section): Pass in_cold_section_p as the
758         reloc argument to select_section.  Use it to decide between
759         unlikely_function_section and hot_function_section.
760         (assemble_start_function): Use switch_to_section.  Set
761         in_cold_section_p instead of last_text_section.
762         (assemble_end_function): Use switch_to_section.
763         (switch_to_section): Don't set last_text_section.
764         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
765         argument to make the right choice between hot and cold sections.
766
767 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
768
769         Second part of MS1->MT renaming
770         * config/mt/mt.md (doloop_end): Call mt_add_loop.
771         (movqi, movhi): Call mt_set_memflags.
772         (*movdf_internal): Call mt_split_words. 
773         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
774         mt_set_memflags.
775         (cmpsi): Store to mt_compare_op[01].
776         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
777         bungt, bunle, bunlt): Call mt_emit_cbranch.
778         (prologue): Call mt_expand_prologue.
779         (epilogu): Call mt_expend_epilogue.
780         (eh_return): Call mt_expand_eh_return.
781         (eh_epilogue): Call me_emit_eh_epilogue.
782         (conditional_trap): Store to mt_compare_op[01].
783         * config/mt/crti.asm: Adjust comment.
784         * config/mt/crtn.asm: Adjust comment.
785         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
786         (mt_compare_op0, mt_compare_op1): Renamed.
787         (current_frame_info, zero_frame_info): Adjust type.
788         (mt_ucmpsi3_libcall): Renamed.
789         (mt_flag_delayed_branch): Renamed.
790         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
791         (mt_nops_required, mt_nop_reasons): Renamed.
792         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
793         mt_debug_stack, mt_print_operand_simple_address,
794         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
795         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
796         mt_function_arg_advance, mt_arg_partial_bytes,
797         mt_pass_by_reference, mt_function_arg_boundary,
798         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
799         mt_legitimate_address_p): Renamed, adjusted.
800         (mt_cpu): Renamed.
801         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
802         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
803         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
804         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
805         mt_expand_eh_return, mt_emit_eh_prologue,
806         mt_handl_interrupt_attribute): Renamed, adjusted.
807         (mt_attribute_table): Renamed, adjusted.
808         (mt_initial_elimination_offset, mt_generate_compare,
809         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
810         mt_secondary_reload_class, mt_function_value, mt_split_words,
811         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
812         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
813         (mt_labels): Renamed.
814         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
815         mt_machine_reorg): Renamed, adjusted.
816         (mt_attribute_table: Renamed.
817         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
818         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
819         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
820         * config/mt/mt.opt (march): Set mt_cpu_string.
821         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
822         (TARGET_CPU_CPP_BUILTINS): Adjust.
823         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
824         TARGET_MS2): Adjust.
825         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
826         (MT_MIN_INT): Renamed.
827         (RETURN_ADDR_RTX): Adjust.
828         (struct mt_frame_info): Renamed.
829         (current_frame_info): Adjust type.
830         (INITIAL_ELIMINATION_OFFSET): Adjust.
831         (MT_NUM_ARG_REGS): Renamed.
832         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
833         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
834         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
835         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
836         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
837         (mt_compare_op0, mt_compare_op1): Renamed.
838         * config/mt/mt-protos.h: Rename prototypes.
839
840 2005-12-15  Richard Guenther  <rguenther@suse.de>
841
842         * tree-flow.h (okay_component_ref_for_subvars): Remove.
843         (get_ref_base_and_extent): Declare.
844         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
845         (get_ref_base_and_extent): New function.
846         * tree-ssa-alias.c (find_used_portions): Use it.
847         * tree-ssa-structalias.c (get_constraint_for_component_ref):
848         Likewise.
849         * tree-ssa-operands.c (get_expr_operands): Likewise.
850
851 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
852
853         * combine.c: Remove force_to_mode's fourth parameter.
854         (force_to_mode): Do not handle REG.
855         (canon_reg_for_combine): New.
856         (make_field_assignment): Use it where the removed argument was non-NULL.
857
858 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
859
860         PR target/25406
861         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
862         error_mark_node.  Make alignment params unsigned.
863         * config/rs6000/rs6000-protos.h
864         (rs6000_special_round_type_align): Update prototype.
865         (rs6000_machopic_legitimize_pic_address): Remove arg names.
866
867 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
868
869         PR rtl-optimization/25310
870         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
871         of the eliminable register when substituting into a PLUS.
872
873 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
874
875         PR debug/25023
876         * config/i386/i386.c (ix86_force_to_memory): Always use
877         SImode push for HImode in -m32.
878         (ix86_free_from_memory): Likewise.
879
880 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
881
882         * gcc/config/arm/arm.md: Provide a big-endian version of the
883         (zero_extend:SI (subreg:QI ...)) splitter.
884
885 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
886
887         * struct-equiv.c (note_local_live): Handle hard regs with different
888         hard_regno_nregs.
889
890 2005-12-14  Jeff Law  <law@redhat.com>
891
892         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
893         to a structure containing state rather than a pointer to bool.
894         (case ARRAY_REF): New code to handle folding some array references.
895         (case ADDR_EXPR): Note when we are processing expressions found
896         within an ADDRE_EXPR.
897         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
898         for state variables rather than just a pointer to a boolean.
899         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
900         handling of constant string references.
901
902 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
903
904         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
905         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
906         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
907         Move other tst* patterns to retain partial order.
908
909 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
910
911         * config/s390/s390.md ("d0", "1"): New mode attributes.
912         ("<shift>di3", "<shift>si3"): Merge.
913         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
914         ("ashrdi3", "ashrsi3"): Merge.
915         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
916         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
917         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
918         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
919         ("*ashrdi3", "*ashrsi3"): Merge.
920         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
921
922 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
923
924         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
925         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
926         ("*extendqidi2", "*extendqisi2") Merge.
927         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
928         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
929         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
930         Move some patterns to retain partial ordering.
931
932 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
933
934         * config/s390/s390.md ("atype", "length"): Rewrite.
935         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
936
937 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
938
939         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
940
941 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
942
943         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
944         PARALLELs with a mode.
945
946 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
947
948         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
949         cond_expr parameter.
950
951 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
952
953         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
954
955 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
956
957         PR bootstrap/25397:
958
959         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
960         of STACK_REGS bits.
961
962         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
963
964 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
965
966         PR target/25254
967         PR target/24188
968         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
969         DECL_P, call get_section rather than get_named_section.  Supply
970         section flags to it.
971
972 2005-12-14  Ben Elliston  <bje@au.ibm.com>
973
974         * c-common.c (c_common_truthvalue_conversion): Generalise warning
975         for addresses converted to booleans; not just function addresses.
976         * c-typeck.c (build_binary_op): Warn for address comparisons which
977         can never be NULL (eg. func == NULL or &var == NULL).
978         * common.opt (Walways-true): New option.
979         * c-opts.c (c_common_handle_option): Set it with -Wall.
980         * doc/invoke.texi: Document it.
981
982 2005-12-13  Paul Brook  <paul@codesourcery.com>
983
984         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
985         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
986
987 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
988
989         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
990         (EXTRA_MULTILIB_PARTS): Define.
991
992 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
993
994         PR rtl-optimization/20070 / part1
995         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
996         count_or_remove_death_notes with kill == -1.
997         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
998         registers if PROP_POST_REGSTACK is set.
999         (mark_used_reg): Likewise.
1000         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1001         REG_UNUSED notes for stack regs.
1002         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1003         to match rtx_equiv_p machinery.  Change caller.
1004         (outgoing_edges_match): Likewise.
1005         (try_crossjump_to_edge): Use struct_equiv_block_eq
1006         instead of flow_find_cross_jump.
1007         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1008         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1009         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1010         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1011         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1012         (insns_match_p): Update prototype.
1013         (flow_find_cross_jump): Remove prototype.
1014         (struct_equiv_block_eq, struct_equiv_init): Declare.
1015         (rtx_equiv_p, condjump_equiv_p): Likewise.
1016         * struct-equiv.c: Include reload.h.
1017         (IMPOSSIBLE_MOVE_FACTOR): Define.
1018         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1019         (struct_equiv_improve_checkpoint): Likewise.
1020         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1021         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1022         (struct_equiv_merge, find_dying_input): Likewise.
1023         (resolve_input_conflict, note_local_live): Likewise.
1024         (death_notes_match_p): Change parameters and processing
1025         to match rtx_equiv_p machinery.  Change caller.
1026         (insns_match_p): Likewise.
1027         (flow_find_cross_jump): Replace with:
1028         (struct_equiv_block_eq).
1029
1030         Back out this change:
1031         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1032           * recog.c (verify_changes): Make it static.
1033           * recog.h: Remove the corresponding prototype.
1034
1035 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1036
1037         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1038         values.
1039
1040 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1041
1042         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1043         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
1044         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1045         TARGET_MS1_64_001 appropriately.
1046         (ms1_machine_reorg): Use TARGET_MS2.
1047
1048 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
1049
1050         PR debug/25023
1051         PR target/25293
1052         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1053         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1054         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1055         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1056         Set mode to SI, adjust constraints.
1057         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1058         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1059         32-bit code.
1060
1061 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
1062
1063         * c-cppbuiltin.c (builtin_define_float_constants): Add
1064         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1065         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1066         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1067         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1068         to "((double)%sL)" otherwise "%s".
1069
1070 2005-12-13  Paul Brook  <paul@codesourcery.com>
1071
1072         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1073         apcs/atpcs.
1074
1075 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1076
1077         * tree-flow.h: Allow compilation with a C++ compiler.
1078         (struct edge_prediction): Prefix all field names  with "ep_".
1079         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1080         (tree_predict_edge, combine_predictions_for_bb): Likewise.
1081         (remove_predictions_associated_with_edge): Likewise.
1082         
1083 2005-12-12  Jeff Law  <law@redhat.com>
1084
1085         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1086         reassociation code.
1087         * passes.c (init_optimization_passes): Run reassociation again
1088         after loop optimizations.
1089
1090 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
1091
1092         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1093         if necessary.
1094         (optimize_stmt): Ditto.
1095         (canonicalize_comparison): New function.
1096         * tree-ssa-operands.c (swap_tree_operands): Make external.
1097         (get_expr_operands): Stop auto-canonicalization.
1098         * tree-ssa-reassoc.c: Rewrite.
1099         (init_optimization_passes): 
1100         * tree-flow.h (swap_tree_operands): Prototype.
1101         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1102
1103 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1104
1105         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1106         indicate function epilogue has been output.
1107         (pa_asm_output_mi_thunk): Likewise.
1108         (output_deferred_plabels): Put plabels in readonly data section when
1109         not generating PIC code.
1110         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1111         information.  Add assert.
1112         (som_output_comdat_data_section_asm_op): New function.
1113         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1114         instead of output_section_asm_op for COMDAT sections.
1115
1116 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
1117
1118         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1119         Fix whitespace in vincinity of to-be-installed changes.
1120         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1121         (insns_match_p): Likewise.
1122
1123 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
1124
1125         * config.gcc (ms1): Replace with ...
1126         (mt): ... this.
1127         * config/ms1: Rename to ...
1128         * config/mt: ... here.  Rename ms1 files to mt.
1129         * config/mt/mt.c: Adjust gt-mt.h #include.
1130         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1131         (crti.o, crtn.o): Adjust file names.
1132
1133 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1134
1135         * varray.h: Allow compilation with a C++ compiler.
1136         (union varray_data_tag): Prefix all field names with "vdt_".
1137         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1138         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1139         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1140         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1141         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1142         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1143         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1144         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
1145         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
1146         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
1147         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
1148         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
1149         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
1150         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1151         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
1152         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
1153         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
1154         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
1155         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
1156         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
1157         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
1158         VARRAY_TOP_TREE_PTR): Likewise.
1159         * varray.c (varray_grow): Likewise.
1160         (varray_clear): Likewise.
1161
1162 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
1163
1164         PR target/25299
1165         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1166         alignment to doubleword if the first field is a double array.
1167         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1168
1169 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1170
1171         * tree-ssa-structalias.c (process_constraint): Remove code to
1172         transform addressofs into scalar.
1173         (create_variable_info_for): In whole-program IPA, globals don't
1174         point to ANYTHING by default.
1175
1176 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1177
1178         * timevar.def (TV_IPA_PTA): New.
1179         * tree-pass.h (pass_ipa_pta): New
1180         * tree-ssa-structalias.c: Include cgraph.h
1181         (in_ipa_mode): New.
1182         (predbitmap_obstack): New.
1183         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1184         (struct constraint_stats): Add num_edges.
1185         (new_var_info): Don't call bitmap_clear.
1186         (struct constraint_edge): Update docs.
1187         (new_constraint_edge): Remove src param.
1188         (struct constraint_graph): Add zero_weight_succs,
1189         zero_weight_preds.  Update docs.
1190         (constraint_expr_equal): Reformat.
1191         (constraint_edge_equal): Update for removal of src.
1192         (constraint_edge_less): Ditto.
1193         (constraint_edge_vec_find): Ditto.
1194         (erase_graph_self_edge): Update for removal of src and and zero
1195         weight bitmap.
1196         (clear_edges_for_node): Ditto.
1197         (add_graph_edge): Ditto.
1198         (get_graph_weights): Ditto.
1199         (allocate_graph_weights): Ditto.
1200         (merge_graph_nodes): Ditto.
1201         (int_add_graph_edge): Ditto.
1202         (valid_graph_edge): Ditto.
1203         (valid_weighted_graph_edge): Ditto.
1204         (build_constraint_graph): Ditto.
1205         (scc_visit): Ditto.
1206         (collapse_nodes): Ditto.
1207         (process_unification_queue): Ditto.
1208         (topo_visit): Ditto.
1209         (solve_graph): Ditto.
1210         (do_structure_copy): Ditto.
1211         (perform_var_substitution): Ditto.
1212         Init and release obstack.
1213         (handle_ptr_arith): Try to resolve directly.
1214         (find_func_aliases): Don't call update_alias_info here
1215         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1216         (do_sd_constraint): Add code for propagating faster.
1217         Update.
1218         (do_ds_constraint): Ditto.
1219         (count_num_arguments): New function.
1220         (create_function_info_for): Ditto.
1221         (create_variable_info_for): Handle FUNCTION_DECL.
1222         (intra_create_variable_infos): Use make_constraint_to_anything.
1223         (init_alias_vars): Init obstacks here.
1224         (need_to_solve): Handle zero weight graph changes.
1225         (compute_points_to_sets): Call update_alias_info here.
1226         (delete_points_to_sets): Free zero weight preds/succs here.
1227         (gate_ipa_pta): New.
1228         (ipa_pta_execute): New
1229
1230 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1231
1232         * tree-ssa-structalias.c (var_anyoffset): Removed.
1233         (anyoffset_tree): Ditto.
1234         (anyoffset_id): Ditto.
1235         (do_deref): Take vector of constraints, no return value.
1236         Update to work on vector.                
1237         (get_constraint_for): Ditto.
1238         (get_constraint_for_component_ref): Ditto.
1239         (do_structure_copy): Ditto.
1240         (handle_ptr_arith): Ditto.
1241         (find_func_aliases): Ditto.
1242         (set_uids_in_ptset): Remove anyoffset handling.
1243         (init_base_vars): Ditto.
1244
1245 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
1246
1247         PR c++/25010
1248         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1249         DECL_EXTERNAL functions have no bodies.  Tidy.
1250
1251 2005-12-10  Andreas Schwab  <schwab@suse.de>
1252
1253         * except.c (switch_to_exception_section): Only define if
1254         TARGET_UNWIND_INFO is not defined.
1255
1256 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1257
1258         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1259         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1260
1261 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1262
1263         * output.h (init_section, fini_section): Delete.
1264         * varasm.c (init_section, fini_section): Delete.
1265         (init_varasm_once): Don't initialize them.
1266         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1267         there are no corresponding varasm.c variables.
1268
1269 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1270
1271         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1272         of EH_FRAME_SECTION_NAME into...
1273         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1274         if it is still null.
1275         * except.c (default_exception_section): Delete, moving most
1276         of the code to...
1277         (switch_to_exception_section): ...this new function.  Set
1278         exception_section if it is still null, then switch to it.
1279         (output_function_exception_table): Use switch_to_exception_section.
1280         * varasm.c (exception_section, eh_frame_section): Update comments.
1281         (get_section): Hoist use of SECTION_NAMED.
1282         (init_varasm_once): Don't set exception_section and eh_frame_section.
1283         * output.h (default_exception_section): Delete.
1284         (default_eh_frame_section): Delete.
1285
1286 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1287
1288         * config/bfin/bfin.c: Include "cgraph.h".
1289         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1290         Return the reg that holds the pointer to the GOT.
1291         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1292         doing stack checking.
1293
1294 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1295
1296         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1297         recompute_tree_invarant_for_addr_expr.
1298         Update uses everywhere.
1299
1300 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1301
1302         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1303         (MULTILIB_DIRNAMES): Define.
1304
1305 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1306
1307         PR target/25311
1308         * config/s390/s390.c (struct s390_address): New field literal_pool.
1309         (s390_decompose_address): Compute literal_pool field.  Do not 
1310         assume register %r13 is always (and solely) used as pool base.
1311         (s390_extra_constraint_str): Use literal_pool field.
1312
1313 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1314
1315         * config/mips/mips.c (override_options): Don't allow too small
1316         integers in FP registers.
1317
1318 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1319
1320         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1321         targetm.binds_local_p to check for local function calls.
1322
1323 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1324
1325         PR debug/24908
1326         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1327         call_used_regs can't be used to save reg in another reg.
1328
1329 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1330             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1331
1332         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1333         abort.
1334         * except.c (output_ttype): Likewise.
1335         * tree-object-size.c (collect_object_sizes_for): Likewise.
1336         (check_for_plus_in_loops_1): Likewise.
1337         (check_for_plus_in_loops): Likewise.
1338         (compute_object_sizes): Use gcc_unreachable instead of abort.
1339
1340 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1341
1342         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1343         (loop_end, loop_init, doloop_end): New insns.
1344         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1345         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1346         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1347         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1348         * config/ms1/ms1.c: #include basic-block.h
1349         (struct machine_function): Add has_loops field.
1350         (ms1_add_loop): New.
1351         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1352         (struct loop_info, struct loop_work): New.
1353         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1354         (ms1_reorg_loops): New loop optimization.
1355         (ms1_machine_reorg): Call it.
1356         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1357
1358 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1359
1360         PR tree-optimization/25248
1361         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1362         evolution_of_loop from the failed attempt.  Remove handling
1363         of MULT_EXPR.
1364
1365 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1366
1367         * tree.h (DECL_EXTERNAL): Clarify documentation.
1368
1369 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1370             Jakub Jelinek  <jakub@redhat.com>
1371
1372         PR target/25268
1373         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1374         argument.  Don't drop outer ANDs.
1375         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1376         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1377         prototype.
1378         * config/s390/predicates.md (setmem_operand): Remove.
1379         (shift_count_operand): Rename to...
1380         (shift_count_or_setmem_operand): ... this.  Adjust
1381         s390_decompose_shift_count caller.
1382         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1383         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1384         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1385         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1386         rotl<mode>3_and, setmem_long_and): New insns.
1387         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1388         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1389         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1390         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1391         of shift_count_operand.
1392         (setmem_long): Use shift_count_or_setmem_operand instead of
1393         setmem_operand.
1394
1395 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1396             Andreas Tobler  <a.tobler@schweiz.ch>
1397
1398         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1399         tr expression.
1400
1401 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1402
1403         * expr.c (force_operand): Use convert_to_mode for conversions.
1404
1405 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1406
1407         * reload.h (reg_equiv_invariant): Declare.
1408         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1409         register also when reg_equiv_invariant[R] is set.
1410
1411 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1412             Andreas Tobler  <a.tobler@schweiz.ch>
1413
1414         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1415
1416 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1417
1418         * tree-ssa-pre.c (bitmap_set_and): New function.
1419         (bitmap_set_and_compl): New function.
1420         (bitmap_set_empty_p): New function.
1421         (insert_extra_phis): New function.
1422         (compute_avail): Use insert_extra_phis.
1423
1424 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1425
1426         * config/s390/s390.c (s390_expand_atomic): New function.
1427         Adjust comment of helper functions.
1428         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1429         * config/s390/s390.md ("ATOMIC"): New code macro.
1430         ("atomic"): Corresponding new code attribute.
1431         ("sync_lock_test_and_set[hq]i", 
1432         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1433
1434 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1435
1436         * config/s390/s390.c (s390_expand_mask_and_shift, 
1437         struct alignment_context, init_alignment_context, 
1438         s390_expand_cs_hqi): New.
1439         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1440         * config/s390/s390.md ("sync_compare_and_swaphi",
1441         "sync_compare_and_swapqi"): New pattern.
1442
1443 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1444
1445         Fix PR tree-optimization/25291
1446         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1447         redundant and crashing check.
1448
1449 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1450
1451         PR target/25212
1452         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1453         tests further when !strict && reload_in_progress.
1454         (print_operand): Check that both operands of indexed address are regs.
1455         (print_operand_address): Likewise.
1456         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1457         (INT_REG_OK_FOR_BASE_P): Correct.
1458
1459 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1460
1461         Preparation for PR rtl-optimization/20070 / part1
1462         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1463         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1464         outgoing_edges_match.
1465         (outgoing_edges_match): Use condjump_equiv_p.
1466         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1467         into..
1468         * struct-equiv.c: New file.
1469         (death_notes_match_p) New function, broken out of insns_match_p.
1470         * Makefile.in (OBJS-common): Add struct-equiv.o.
1471         (struct-equiv.o): New target.
1472
1473 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1474
1475         * coretypes.h: Revert previous change.
1476         * config/darwin.h: Revert previous reversion.
1477         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1478
1479 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1480
1481         * coretypes.h (section): Provide dummy definition for target files.
1482         * config/darwin.h: Revert previous change.
1483
1484 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1485
1486         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1487         * configure.ac: Remove all.build and install-normal from target_list
1488         * configure: Regenerate.
1489         * Makefile.in (install): Don't depend on install-normal.
1490
1491 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1492
1493         * Makefile.in: Document the use of stamps.
1494
1495 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1496
1497         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1498         * Makefile.in: Add code to compute some dependencies on s-gtype
1499         automatically.  Remove the declaration of those dependencies.
1500
1501 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1502
1503         * gcc/reload.c (push_secondary_reload): Fix typo:
1504         s/insn_constraint/scratch_constraint/.
1505
1506 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1507
1508         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1509
1510 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1511
1512         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1513         (alpha_elf_select_rtx_section): Return the selected section rather
1514         than emitting assembly code.
1515         (alpha_write_linkage): Emit a ".link" directive directly and then
1516         set in_section to NULL.
1517         (vms_asm_out_constructor): Use switch_to_section.
1518         (vms_asm_out_destructor): Likewise.
1519         (unicosmk_output_common): Set in_section to NULL instead of calling
1520         the dummy common_section function.
1521         (unicosmk_text_section): Delete in favor of...
1522         (unicosmk_output_text_section_asm_op): ...this new function.
1523         (unicosmk_data_section): Delete in favor of...
1524         (unicosmk_output_data_section_asm_op): ...this new function.
1525         (unicosmk_init_sections): New function.
1526         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1527         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1528         the dummy ssib_section function.
1529         (unicosmk_section_buf): Delete.
1530         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1531         (unicosmk_data_section): Delete.
1532         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1533         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1534         (SECTION_FUNCTION_TEMPLATE): Delete.
1535         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1536         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1537         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1538         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1539         (TARGET_ASM_INIT_SECTIONS): Define.
1540         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1541         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1542         (link_section, literals_section): Delete.
1543         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1544         set in_section to NULL.
1545
1546         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1547         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1548         (COMMON_SECTION): Delete.
1549         (TARGET_ASM_INIT_SECTIONS): Define.
1550         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1551         the dummy common_section function.
1552         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1553         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1554         between readonly_data_section and text_section to check whether
1555         read-only data is being put in the text section.
1556         (arm_output_function_epilogue): Use switch_to_section.
1557         (arm_elf_asm_constructor): Likewise.
1558         (thumb_call_via_reg): Replace call to in_text_section with
1559         a comparison between in_section and text_section.
1560         (arm_file_end): Use switch_to_section.
1561         (aof_text_section): Delete in favor of...
1562         (aof_output_text_section_asm_op): ...this new function.
1563         (aof_data_section): Delete in favor of...
1564         (aof_output_data_section_asm_op): ...this new function.
1565         (aof_asm_init_sections): New function.
1566         (zero_init_section): Moved from config/arm/aof.h.
1567         (aof_dump_imports, aof_file_start): Use switch_to_section.
1568         * config/arm/arm.h (thumb_call_via_label): Update comment.
1569         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1570         (common_section): Delete.
1571         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1572         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1573         global switch_to_section function instead of the old port-local one.
1574         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1575         (SWITCH_TO_SECTION_FUNCTION): Delete.
1576         (drectve_section): Redefine as a macro.
1577         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1578         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1579         switch_to_section.
1580
1581         * config/avr/avr.c (progmem_section): New variable.
1582         (avr_output_progmem_section_asm_op): New function.
1583         (avr_asm_init_sections): New function.
1584         (avr_output_addr_vec_elt): Use switch_to_section.
1585         * config/avr/avr.h (progmem_section): Declare.
1586         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1587         (READONLY_DATA_SECTION): Delete.
1588         (TARGET_ASM_INIT_SECTIONS): Define.
1589         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1590         * config/avr/avr-protos.h (progmem_section): Delete.
1591
1592         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1593
1594         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1595         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1596
1597         * config/darwin-sections.def: New file.
1598         * config/darwin.c: Define all sections in darwin-sections.def.
1599         (output_objc_section_asm_op, darwin_init_sections): New functions.
1600         (machopic_output_indirection): Use switch_to_section.
1601         (machopic_select_section): Return the selected section rather than
1602         emitting assembly code.  Replace the static function table with
1603         inline conditional expressions.  Update the tests of last_text_section
1604         and move them into the FUNCTION_DECL block.
1605         (machopic_select_rtx_section): Return the selected section rather than
1606         emitting assembly code.
1607         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1608         (darwin_file_end): Use switch_to_section.
1609         * config/darwin.h: Use darwin-sections.def to declare sections.
1610         (INIT_SECTION_ASM_OP): Remove empty definition.
1611         (HAS_INIT_SECTION): Define this instead.
1612         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1613         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1614         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1615         (TARGET_ASM_INIT_SECTIONS): Define.
1616         * config/darwin-protos.h (darwin_init_sections): Declare.
1617         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1618         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1619         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1620         (constructor_section, destructor_section, mod_init_section): Delete.
1621         (mod_term_section): Delete.
1622         (darwin_exception_section, darwin_eh_frame_section): Delete.
1623         (machopic_select_section): Return a section.
1624         (machopic_select_rtx_section): Likewise.
1625         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1626         (const_section, const_coal_section, const_data_section): Delete.
1627         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1628         (literal4_section, literal8_section, constructor_section): Delete.
1629         (mod_init_section, mod_term_section, destructor_section): Delete.
1630         (objc_class_section, objc_meta_class_section, objc_category_section)
1631         (objc_class_vars_section, objc_instance_vars_section): Delete.
1632         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1633         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1634         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1635         (objc_symbols_section, objc_module_info_section): Delete.
1636         (objc_image_info_section, objc_protocol_section): Delete.
1637         (objc_string_object_section, objc_constant_string_object_section)
1638         (objc_class_names_section, objc_meth_var_names_section): Delete.
1639         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1640         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1641         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1642         (darwin_exception_section, darwin_eh_frame_section): Delete.
1643         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1644
1645         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1646         (frv_asm_out_destructor): Likewise.
1647         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1648         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1649         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1650         get_named_section.
1651         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1652         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1653         (data_section): Delete.
1654
1655         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1656         (DRECTVE_SECTION_FUNCTION): Delete.
1657         (drectve_section): Redefine as a macro that sets in_section after
1658         emitting the directive.
1659         (SWITCH_TO_SECTION_FUNCTION): Delete.
1660         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1661         in_text_section with comparison between in_section and text_section.
1662         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1663         rather than emitting assembly code.  Use get_named_section.
1664         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1665         get_named_section.
1666         (machopic_output_stub): Use switch_to_section.
1667         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1668         (nwld_named_section_asm_out_destructor): Use get_section and
1669         switch_to_section.
1670
1671         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1672         rather than emitting assembly code.
1673         (ia64_rwreloc_select_section): Likewise.
1674         (ia64_rwreloc_select_rtx_section): Likewise.
1675         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1676         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1677         switch_to_section.
1678         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1679         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1680
1681         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1682         section rather than emitting assembly code.
1683         (iq2000_select_section): Likewise.
1684         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1685         (sbss_section): Delete.
1686
1687         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1688         and get_named_section.
1689         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1690
1691         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1692         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1693         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1694         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1695         in_section to NULL.
1696         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1697         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1698         global switch_to_section function instead of the old port-local one.
1699         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1700         (SWITCH_SECTION_FUNCTION): Delete.
1701         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1702         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1703         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1704         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1705         in_section to NULL.
1706         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1707         global switch_to_section function instead of the old port-local one.
1708         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1709
1710         * config/mips/mips.c (mips_file_start): Update comment.
1711         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1712         (mips_output_aligned_decl_common): Use switch_to_section.
1713         (mips_select_rtx_section): Return the section rather than emitting
1714         assembly code.  Use get_named_section.
1715         (mips_function_rodata_section: Likewise get_section.
1716         (build_mips16_function_stub): Use switch_to_section.
1717         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1718         (SDATA_SECTION_ASM_OP): Delete.
1719         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1720         (EXTRA_SECTION_FUNCTIONS): Delete.
1721
1722         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1723         (mmix_asm_output_aligned_local): Use switch_to_section.
1724
1725         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1726         (som_one_only_readonly_data_section): New variables.
1727         (pa_output_function_epilogue): Set in_section to NULL instead of
1728         calling forget_section.
1729         (output_deferred_plabels): Use select_section.
1730         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1731         of calling forget_section.
1732         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1733         (pa_asm_output_aligned_local): Use select_section.
1734         (som_text_section_asm_op): Delete in favor of...
1735         (som_output_text_section_asm_op): ...this new function.
1736         (pa_som_asm_init_sections): New function.
1737         (pa_select_section): Return the section rather than emitting
1738         assembly code.
1739         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1740         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1741         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1742         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1743         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1744         (som_readonly_data_section, som_one_only_readonly_data_section)
1745         (som_one_only_data_section, forget_section): Delete.
1746         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1747         (TARGET_ASM_INIT_SECTIONS): Define.
1748         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1749
1750         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1751         (private_data_section, read_only_private_data_section): New variables.
1752         (sdata2_section, toc_section): New variables.
1753         (rs6000_file_start): Use switch_to_section.
1754         (rs6000_assemble_integer): Use comparisons against in_section
1755         instead of calling in_toc_section and in_text_section.  Use
1756         unlikely_text_section_p.
1757         (rs6000_elf_output_toc_section_asm_op): New function, derived
1758         from the old rs6000/sysv4.h toc_section function.
1759         (rs6000_elf_asm_init_sections): New function.
1760         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1761         the section rather than emitting assembly code.
1762         (machopic_output_stub): Use switch_to_section.
1763         (toc_section): Delete dummy function.
1764         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1765         switch_to_section and get_section.
1766         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1767         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1768         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1769         the old rs6000/xcoff.h toc_section function.
1770         (rs6000_xcoff_asm_init_sections): New function.
1771         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1772         the section rather than emitting assembly code.
1773         (rs6000_xcoff_file_start): Use switch_to_section.
1774         (rs6000_xcoff_file_end): Likewise.
1775         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1776         (sdata2_section, sbss_section, private_data_section): Delete.
1777         (read_only_data_section, read_only_private_data_section): Delete.
1778         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1779         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1780         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1781         (FINI_SECTION_FUNCTION): Delete.
1782         (TARGET_ASM_INIT_SECTIONS): Define.
1783         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1784         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1785         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1786         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1787         (READONLY_DATA_SECTION): Delete.
1788         (TARGET_ASM_INIT_SECTIONS): Define.
1789         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1790         to NULL rather than no_section.
1791         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1792
1793         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1794
1795         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1796         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1797         from call to current_function_section.
1798
1799         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1800         (bss100_section): New variable.
1801         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1802         (xstormy16_asm_init_sections): New function.
1803         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1804         switch_to_section and get_section.
1805         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1806         from calls to current_function_section.
1807         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1808         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1809         (TARGET_ASM_INIT_SECTIONS): Define.
1810         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1811
1812         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1813         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1814         (FINI_SECTION_FUNCTION): Delete.
1815
1816         * config/v850/v850.c: Include gt-v850.h.
1817         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1818         (zbss_section): New variables.
1819         (v850_output_aligned_bss): Use switch_to_section.
1820         (v850_asm_init_sections): New function.
1821         (v850_select_section): Return the section rather than emitting
1822         assembly code.
1823         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1824         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1825         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1826         (TARGET_ASM_INIT_SECTIONS): Define.
1827         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1828         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1829         (zbss_section): Delete.
1830
1831         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1832
1833         * config/vx-common.h (vxworks_exception_section): Delete.
1834         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1835
1836         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1837         section rather than emitting assembly code.
1838         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1839         switch_to_section.
1840
1841         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1842         * coretypes.h (section): New union and typedef.
1843         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1844         from call to current_function_section.
1845         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1846         (dbxout_symbol_location): Use switch_to_section.
1847         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1848         most of the code into...
1849         (default_eh_frame_section): ...here.  Return a section.
1850         (collect2_eh_frame_section): Delete, moving most of the code into..
1851         (switch_to_eh_frame_section): ...this new function.
1852         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1853         (debug_macinfo_section, debug_line_section, debug_loc_section)
1854         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1855         variables.
1856         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1857         eh_frame_section.  Use switch_to_section and get_section.
1858         (dwarf2out_begin_prologue): Use switch_to_section.
1859         (AT_string_form): Check the flags in debug_str_section instead of
1860         DEBUG_STR_SECTION_FLAGS.
1861         (output_comp_unit): Use switch_to_section, get_section, and
1862         debug_info_section.
1863         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1864         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1865         from call to current_function_section.
1866         (dwarf2out_var_location): Use unlikely_text_section_p.
1867         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1868         from call to current_function_section.
1869         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1870         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1871         debug_macinfo_section.
1872         (dwarf2out_init): Initialize the new section variables.  Use them
1873         instead of calls to named_section_flags.  Use switch_to_section.
1874         (output_indirect_string): Use switch_to_section and debug_str_section.
1875         (dwarf2out_finish): Use switch_to_section and the new section
1876         variables.
1877         * except.c (default_exception_section): Return the section instead
1878         of emitting assembly code.
1879         (output_function_exception_table): Use the global exception_section
1880         variable instead of the target hook.  Use switch_to_section.  Remove
1881         argument from call to current_function_section.
1882         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1883         (shorten_branches): Use pointer comparisons to detect whether the
1884         text section is the same as readonly_data_section.
1885         (profile_function): Use switch_to_section.  Remove argument from
1886         call to current_function_section.
1887         (final_scan_insn): Likewise.  Update use of last_text_section.
1888         * gengtype.c (open_base_files): Add an include of output.h.
1889         * output.h (text_section, data_section, readonly_data_section)
1890         (ctors_section, dtors_section, bss_section, init_section)
1891         (fini_section, sdata_section): Turn into section pointers.
1892         (in_text_section, in_unlikely_text_section, exports_section)
1893         (drectve_section, named_section, mergeable_string_section)
1894         (last_text_section_name): Delete.
1895         (default_exception_section, default_eh_frame_section): Return sections.
1896         (SECTION_DECLARED, SECTION_NAMED): New macros.
1897         (SECTION_MACH_DEP): Bump value.
1898         (section_common, named_section, unnamed_section): New structures.
1899         (unnamed_section_callback): New typedef.
1900         (section): New union.
1901         (sbss_section, exception_section, eh_frame_section): New variables.
1902         (in_section, last_text_section): Turn into section pointers.
1903         (get_unnamed_section, get_section, get_named_section): New functions.
1904         (mergeable_constant_section, function_section): Return a section.
1905         (unlikely_text_section): Likewise.
1906         (current_function_section): Likewise.  Remove the decl argument.
1907         (unlikely_text_section_p, switch_to_section): New functions.
1908         (output_section_asm_op): New function.
1909         (set_named_section_flags, named_section_flags, named_section_real)
1910         (named_section_first_declaration): Delete.
1911         (default_select_section, default_elf_select_section): Return a section.
1912         (default_elf_select_section_1, default_function_rodata_section)
1913         (default_no_function_rodata_section, default_select_rtx_section)
1914         (default_elf_select_rtx_section): Likewise.
1915         * rtl.h (in_data_section): Delete.
1916         * sdbout.c (sdbout_one_type): Use switch_to_section.
1917         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1918         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1919         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1920         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1921         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1922         (TARGET_ASM_OUT): Update after above changes.
1923         * target.h (init_sections): New hook.
1924         (exception_section, eh_frame_section): Delete.
1925         (select_section, select_rtx_section, function_rodata_section): Return
1926         a section rather than emitting assembly code.
1927         * varasm.c (text_section, data_section, readonly_data_section)
1928         (ctors_section, dtors_section, bss_section, init_section)
1929         (fini_section): Turn into section pointers.
1930         (sdata_section, sbss_section, exception_section): New variables.
1931         (eh_frame_section): New variable.
1932         (in_section): Make global and turn into a section pointer.
1933         (last_text_section): Turn into a section pointer.
1934         (unnamed_sections): New variable.
1935         (in_named_name, last_text_section_name): Delete.
1936         (EXTRA_SECTION_FUNCTIONS): Delete.
1937         (in_named_entry): Delete.
1938         (section_htab): New variable, replacing...
1939         (in_named_htab): ...this deleted variable.
1940         (section_entry_eq, section_entry_hash): New functions, based on...
1941         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1942         (get_unnamed_section, get_section): New functions.
1943         (unlikely_text_section): Return a section instead of emitting
1944         assembly code.
1945         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1946         (get_named_section_flags, named_section_first_declaration): Delete.
1947         (unlikely_text_section_p): New function.
1948         (named_section_real, named_section): Delete.
1949         (get_named_section): New function.
1950         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1951         (function_section): Return a section rather than emitting
1952         assembly code.
1953         (current_function_section): Likewise.  Remove argument.  Use
1954         last_text_section if nonnull, otherwise use function_section.
1955         (default_function_rodata_section): Return a section rather than
1956         emitting assembly code.  Use get_section.
1957         (default_no_function_rodata_section): Return a section rather than
1958         emitting assembly code.
1959         (variable_section): Use switch_to_section and get_named_section.
1960         (mergeable_string_section): Return a section rather than emitting
1961         assembly code.  Use get_section.  Make static.  Don't take special
1962         countermeasures for empty strings.
1963         (mergeable_constant_section): Return a section rather than emitting
1964         assembly code.  Use get_section.
1965         (default_named_section_asm_out_destructor): Use switch_to_section
1966         and get_section.
1967         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1968         (default_named_section_asm_out_constructor): Use switch_to_section
1969         and get_section.
1970         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1971         (assemble_start_function): Likewise.  Set last_text_section to
1972         NULL rather than no_section.  Change the type of save_section.
1973         (assemble_zeros, assemble_variable): Use the section flags to detect
1974         whether or not a section is text.
1975         (assemble_static_space): Use switch_to_section.
1976         (assemble_trampoline_template): Likewise.
1977         (output_constant_def_contents): Use switch_to_section and
1978         get_named_section.
1979         (output_constant_pool_1): Use switch_to_section.  Use the section
1980         flags to see whether sections contain mergeable data.
1981         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1982         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1983         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1984         whether a section has already been declared.
1985         (default_select_section, default_elf_select_section): Return a
1986         section rather than emitting assembly code.
1987         (default_elf_select_section_1): Likewise.  Use bss_section for
1988         SECCAT_BSS if nonnull.  Use get_named_section.
1989         (default_select_rtx_section): Return a section rather than
1990         emitting assembly code.
1991         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1992         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1993         (output_section_asm_op, switch_to_section): New functions.
1994         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1995         get_named_section.
1996
1997         * doc/tm.texi: Expand the introduction to the sections documentation.
1998         (TRAMPOLINE_SECTION): Document new interface.
1999         (SDATA_SECTION_ASM_OP): Document new macro.
2000         (READONLY_DATA_SECTION): Delete.
2001         (SDATA_SECTION_ASM_OP): Document new macro.
2002         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2003         (TARGET_ASM_INIT_SECTIONS): Document new hook.
2004         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2005         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2006         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2007
2008 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
2009
2010         * gcc.c (init_gcc_specs): Match braces inside conditionally
2011         compiled strings.
2012
2013 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
2014
2015         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2016
2017 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
2018
2019         PR C++/24138
2020         * tree.c (integer_all_onesp): Always return true if all bits on.
2021
2022         * testsuite/g++.dg/init/array0.C: New.
2023
2024 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
2025
2026         * doc/md.texi: Adapt to implementation.
2027
2028 2005-12-06  Andreas Schwab  <schwab@suse.de>
2029
2030         * opts.c (decode_options): Fix typo in message.
2031
2032 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
2033
2034         PR other/13873
2035         * longlong.h: Merge PPC tests from upstream.
2036
2037 2005-12-06  Richard Guenther  <rguenther@suse.de>
2038
2039         * fold-const.c (fold_convert): Do not build and fold
2040         CONVERT_EXPR, but always use NOP_EXPR.
2041
2042 2005-12-06  Jan Beulich  <jbeulich@novell.com>
2043
2044         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2045         __builtin_ia32_paddq and __builtin_ia32_subq.
2046         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2047         __builtin_ia32_pshufw.
2048         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2049
2050 2005-12-05  James E Wilson  <wilson@specifix.com>
2051
2052         PR target/24934
2053         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2054         is set.
2055
2056 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
2057         
2058         * print-tree.c (print_node): Ditto.
2059         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2060         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2061         before accessing DECL_ARTIFICIAL. 
2062         Handle new tag tree codes.
2063         * tree-flow-inline.h (clear_call_clobbered): Update for tag
2064         changes.
2065         (unmodifiable_var_p): Ditto.
2066         * tree-flow.h (mem_tag_kind): Remove.
2067         (struct var_ann_d): Remove mem_tag_kind member.
2068         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2069         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2070         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2071         (group_aliases): Ditto.
2072         (setup_pointers_and_addressables): Ditto.
2073         (is_escape_site): Ditto.                                          
2074         (may_alias_p): Ditto.
2075         (create_tag_raw): New function.
2076         (create_memory_tag): Use it.
2077         (dump_alias_info): Update for tags.
2078         (may_be_aliased): Ditto.
2079         (add_type_alias): Ditto.
2080         (new_type_alias): Ditto.
2081         (create_sft): Ditto.
2082         (create_structure_vars): Ditto.
2083         * tree-ssa-ccp.c (get_default_value): Ditto.
2084         * tree-ssa-operands.c (get_expr_operands): Ditto.
2085         (add_stmt_operand): Ditto.
2086         (add_call_clobber_ops): Remove duplicated condition.
2087         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2088         tags.
2089         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2090         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2091         * tree.c (init_ttree): Update structures for new tree codes.
2092         (tree_code_size): Update sizes for new tree codes.
2093         (make_node_stat): Don't try to set common things on minimal
2094         structures.
2095         (tree_node_structure): Update for tags.
2096         (is_global_var): Ditto.
2097         * tree.def: Add new tree codes.
2098         * tree.h (MTAG_P): New macro.
2099         (TREE_MEMORY_TAG_CHECK): Ditto.
2100         (SSA_VAR_P): Update for tags.
2101         (struct tree_memory_tag): New structure.
2102         (MTAG_GLOBAL): New macro.
2103         (union tree_node): Add memory tag member.
2104         * treestruct.def (TS_MEMORY_TAG): New.
2105         
2106 2005-12-05  Dale Johannesen  <dalej@apple.com>
2107
2108         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
2109         what was approved (PR 24323).
2110
2111 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2112
2113         * doc/c-tree.texi (Function Bodies): Remove description of
2114         RETURN_INIT.
2115
2116 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
2117
2118         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2119         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2120         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2121         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2122         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2123         __divxc3): Document.
2124
2125 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
2126
2127         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2128         previous behaviour.
2129         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2130         hook_bool_void_false.
2131         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2132         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2133
2134         * config/darwin.c (machopic_select_section): It's not defined
2135         as weak if it's only marked as weak_import.
2136         
2137         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2138         Prototype.
2139
2140         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2141         A hidden weak object does bind locally.  Strong linkonce data
2142         counts like any other strong symbol for binding.
2143         (weak_finish_1): Don't specially handle weakrefs, they no longer
2144         arrive here.
2145         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2146         * c-common.c (handle_alias_attribute): Allow static aliases
2147         of variables.
2148         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2149         * gthr-dce.h: Make weakrefs static.
2150         * gthr-tpf.h: Likewise.
2151         * gthr-solaris.h: Likewise.
2152         * gthr-posix.h: Likewise.
2153         * gthr-posix95.h: Likewise.
2154         * config/darwin.c (darwin_encode_section_info): static weakref
2155         variables are not necessarily defined in this translation unit.
2156         * doc/extend.texi (Function Attributes): Mention that an alias
2157         attribute creates a definition for the thing it's attached to.
2158         Change the documentation for weakref to say that the thing
2159         it's attached to must be static.
2160
2161         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2162         we don't go into an infinite loop.
2163
2164 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
2165
2166         * config/rs6000/predicates.md (logical_const_operand): Split
2167         out of logical_operand.
2168         (logical_operand): Use it.
2169         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2170         logical_const_operand.
2171
2172 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2173
2174         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2175         and IX86_BUILTIN_CMPNESS.
2176         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2177         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2178         * config/i386/i386.md (movti_internal): Correct type attribute.
2179         Simplify mode attribute.
2180         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2181         Correct type attribute.
2182         (absxf2): Correct operator.
2183         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2184         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2185         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2186         mode attribute.
2187         (sse2_vmsqrtv2df2): Correct mode attribute.
2188
2189 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2190
2191         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2192         16 bits. Provide insn pattern for this case.
2193
2194 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2195
2196         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2197         result.
2198         (__popcountDI2): Likewise.
2199
2200 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2201
2202         PR target/25166
2203         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2204         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2205         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2206         functions.
2207
2208 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2209
2210         * c-typeck.c (null_pointer_constant_p): New function.
2211         (build_conditional_expr, build_c_cast, convert_for_assignment,
2212         build_binary_op): Use it.
2213
2214 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2215
2216         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2217         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2218         CONVERT_EXPR.
2219         (check_function_arguments_recurse): Allow both NOP_EXPR and
2220         CONVERT_EXPR but check conversions preserve precision.
2221         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2222         but check conversions preserve precision.
2223         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2224         default case.
2225
2226 2005-12-04  Roger Sayle  <roger@eyesopen.com>
2227
2228         PR c/7776
2229         * common.opt (Wstring-literal-comparison): New command line option.
2230         * c-opts.c (c_common_handle_option): Set it with -Wall.
2231         * c-typeck.c (parser_build_binary_op): Issue warning if either
2232         operand of a comparison operator is a string literal, except for
2233         testing equality or inequality against NULL.
2234
2235         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2236
2237 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2238
2239         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2240         of building a NOP_EXPR.
2241         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2242         NOP_EXPR.
2243         * c-convert.c (convert): Use fold_convert instead of building
2244         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2245         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2246         #if 0 code.
2247         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2248         NOP_EXPR the same as CONVERT_EXPR.
2249         * c-typeck.c (build_function_call): Use fold_convert instead of
2250         building a NOP_EXPR directly.
2251         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2252
2253 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2254
2255         PR rtl-optimization/25197
2256         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2257         have a reg.
2258
2259 2005-12-02  Stuart Hastings  <stuart@apple.com>
2260
2261         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2262         warning.
2263
2264 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2265
2266         * c-typeck.c (default_function_array_conversion,
2267         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2268         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2269         orig_op2.  Don't check them for NOP_EXPR.
2270         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2271         around integer zero.
2272
2273 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2274
2275         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2276         toc_save_offset, toc_size, lr_size.
2277         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2278         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2279         Adjust for removal of unused rs6000_stack_t fields.
2280         (debug_stack_info): Adjust.
2281         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2282         first, and don't bother checking for set/inc of lr on sibcalls.
2283         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2284
2285 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2286
2287         PR target/25199
2288         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2289         5 if operand 1 is not aligned.  Undo previous constraint change.
2290         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2291
2292 2005-12-02  Richard Guenther  <rguenther@suse.de>
2293
2294         * tree.h (build): Remove prototype.
2295         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2296         * tree.c (build): Remove.
2297         (build0_stat): Update comment.
2298
2299 2005-12-02  Richard Guenther  <rguenther@suse.de>
2300
2301         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2302         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2303         Likewise.
2304         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2305         maybe_fold_offset_to_component_ref): Likewise.
2306         * tree-ssa-dom.c (thread_across_edge,
2307         simplify_rhs_and_lookup_avail_expr,
2308         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2309         Likewise.
2310         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2311         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2312         lower_try_finally_switch): Likewise.
2313         * tree-if-conv.c (add_to_dst_predicate_list,
2314         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2315         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2316         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2317         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2318         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2319         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2320         gimplify_init_ctor_eval, gimplify_init_constructor,
2321         gimplify_variable_sized_compare, gimplify_boolean_expr,
2322         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2323         gimplify_expr, gimplify_body, gimplify_function_tree,
2324         force_gimple_operand): Likewise.
2325         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2326         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2327         mx_register_decls): Likewise.
2328         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2329         get_frame_field, finalize_nesting_tree_1): Likewise.
2330         * tree-inline.c (setup_one_parameter): Likewise.
2331         * tree-vect-transform.c (vectorizable_condition): Likewise.
2332         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2333         Likewise.
2334         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2335         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2336         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2337         * tree-chrec.h (build_polynomial_chrec): Likewise.
2338
2339 2005-12-02  Richard Guenther  <rguenther@suse.de>
2340
2341         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2342         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2343         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2344         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2345         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2346         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2347         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2348         Likewise.
2349         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2350         sh_adjust_unroll_max): Likewise.
2351         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2352         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2353         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2354         Likewise.
2355         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2356         Likewise.
2357         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2358         Likewise.
2359
2360 2005-12-02  Richard Guenther  <rguenther@suse.de>
2361
2362         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2363         simplify_cond_using_ranges): Use buildN instead of build.
2364         * tree-tailcall.c (adjust_accumulator_values,
2365         adjust_return_value): Likewise.
2366         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2367         generate_element_copy, generate_element_zero,
2368         generate_one_element_init): Likewise.
2369         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2370         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2371         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2372         perfect_nestify): Likewise.
2373
2374 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2375
2376         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2377
2378 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2379
2380         * ggc.h (GGC_RESIZEVEC): New.
2381
2382 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2383
2384         * gcc.c (execute): Improve readability.
2385
2386 2005-12-02  Richard Guenther  <rguenther@suse.de>
2387
2388         * tree-cfg.c (mark_used_vars): New function.
2389         (dump_function_to_file): Dump only used VAR_DECLs.
2390
2391 2005-12-02  Richard Guenther  <rguenther@suse.de>
2392
2393         * convert.c (convert_to_integer): Fix compare for nonpositive
2394         constant to use tree_int_cst_sgn <= 0.
2395
2396 2005-12-02  Richard Guenther  <rguenther@suse.de>
2397
2398         * convert.c (convert_to_integer): Use fold_convert instead
2399         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2400         instead of comparing against 0.  Use build_int_cst instead
2401         of converting integer_zero_node.
2402
2403 2005-12-02  Richard Guenther  <rguenther@suse.de>
2404
2405         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2406         and RROTATE_EXPR.
2407  
2408 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2409
2410         PR target/21017
2411         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2412         rotates.
2413
2414 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2415
2416         PR middle-end/25176
2417         * function.c (expand_function_end): Emit blockage for unwinder
2418         after return label.
2419
2420 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2421
2422         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2423         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2424         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2425         integer constant comparisons.
2426
2427 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2428             Janis Johnson  <janis187@us.ibm.com>
2429             David Edelsohn  <dje@watson.ibm.com>
2430             Ben Elliston  <bje@au.ibm.com>
2431
2432         * dfp.h, dfp.c: New files.
2433         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2434         (DECNUM_H): Likewise.
2435         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2436         (INCLUDES): Append $(DECNUMINC).
2437         (OBJS-common): Add dfp.o.
2438         (dfp.o): New rule.
2439         * real.h (EXP_BITS): Pinch one bit to ..
2440         (struct real_value): Add decimal field.
2441         (real_format): Change table size, update documentation.
2442         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2443         (real_from_string3): Declare.
2444         (decimal_single_format): Declare.
2445         (decimal_double_format): Declare.
2446         (decimal_quad_format): Declare.
2447         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2448         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2449         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2450         * real.c: Include dfp.h.
2451         (normalize): Early return for decimal floats.
2452         (do_add): Zero decimal field.
2453         (do_compare): Call do_decimal_compare for decimal floats.
2454         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2455         (real_arithmetic): Call decimal_real_arithmetic for decimal
2456         floating point operands.
2457         (real_identical): If a and b are of differing radix, return false.
2458         (real_to_integer): Call decimal_real_to_integer if the value is a
2459         decimal float.
2460         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2461         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2462         (real_to_hexadecimal): Place "N/A" in the return string for
2463         decimal float.
2464         (real_from_string3): New variant, given a mode.
2465         (real_maxval): Use decimal_real_maxval for decimal floats.
2466         (round_for_format): Use decimal_round_for_format for decimals.
2467         (real_convert): Use decimal_real_convert where appropriate.
2468         (significand_size): Handle base 10.
2469         (encode_decimal_single, decode_decimal_single,
2470         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2471         decode_decimal_quad): New functions.
2472         (decimal_single_format): New.
2473         (decimal_double_format): New.
2474         (decimal_quad_format): New.
2475         * machmode.def: Add SD, DD and TD decimal floating point modes.
2476         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2477         Include MODE_DECIMAL_FLOAT.
2478         (DECIMAL_FLOAT_MODE_P): New.
2479         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2480         * genmodes.c (struct mode_data): Add counter field.
2481         (struct mode_data): Update comment for format.
2482         (blank_mode): Initialise counter field.
2483         (new_mode): Increment counter field for each mode defined.
2484         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2485         using a format.
2486         (make_complex_modes): Handle modes containing `D'.
2487         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2488         (make_decimal_float_mode): New.
2489         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2490         (cmp_modes): Compare counter field if other characteristics
2491         similar.
2492         (emit_real_format_for_mode): Support formats for decimal floats.
2493         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2494         Document MODE_DECIMAL_FLOAT.
2495
2496 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2497
2498         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2499         Delete dead code.
2500
2501 2005-12-01  Richard Henderson  <rth@redhat.com>
2502
2503         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2504
2505 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2506
2507         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2508
2509         * config/pa/pa.c (pa_init_builtins): If we detect
2510         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2511         putc_unlocked.
2512
2513 2005-12-01  Richard Guenther  <rguenther@suse.de>
2514
2515         * fold-const.c (fold_binary): Use fold_build2, not
2516         fold (build (...)).
2517
2518 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2519
2520         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2521
2522         * vec.h (VEC_block_remove): New.
2523
2524 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2525
2526         PR c/13384
2527         * c-common.c (lvalue_error): Fix wording.
2528
2529 2005-12-01  Richard Guenther  <rguenther@suse.de>
2530
2531         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2532         thinko in last patch.
2533
2534 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2535
2536         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2537         than -flat_namespace.
2538
2539 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2540
2541         * mklibgcc.in: Parameterise the script to build soft float
2542         functions by iterating over each type, rather than cloning the
2543         code for each type.
2544
2545 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2546
2547         PR middle-end/25158
2548         * builtins.c (fold_builtin_fputs): Defer check for missing
2549         replacement functions.
2550
2551 2005-11-30  Kean Johnston  <jkj@sco.com>
2552
2553         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2554         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2555
2556 2005-11-30  Richard Guenther  <rguenther@suse.de>
2557
2558         PR tree-optimization/22501
2559         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2560         function split out from ...
2561         (forward_propagate_addr_expr): ... here.  Use it to propagate
2562         ADDR_EXPRs to all uses.
2563
2564 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2565
2566         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2567         * builtins.c (expand_builtin_mathfn): Use them.
2568         (expand_builtin_mathfn_2): Likewise.
2569         (expand_builtin_mathfn_3): Likewise.
2570         (expand_builtin_int_roundingfn): Likewise.
2571         (expand_builtin): Likewise.
2572         (integer_valued_real_p): Likewise.
2573         (fold_builtin_int_roundingfn): Likewise.
2574         (fold_builtin_bitop): Likewise.
2575         (fold_builtin_logarithm): Likewise.
2576         (fold_builtin_1): Likewise.
2577         * convert.c (convert_to_integer): Likewise.
2578         * fold-const.c (negate_mathfn_p): Likewise.
2579         (tree_expr_nonnegative_p): Likewise.
2580
2581 2005-11-30  Dale Johannesen  <dalej@apple.com>
2582             Andrew Pinski  <pinskia@physics.uc.edu>
2583
2584         * combine.c (find_split_point):  Sign extend bitmask
2585         when changing bitfield assignment to IOR of AND.
2586
2587 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2588
2589         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2590         clobber to scratch reg.
2591         (*decrement_and_branch_until_zero_no_clobber): Remove.
2592         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2593         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2594         * config/ms1/ms1.opt (mmul): Remove.
2595         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2596         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2597
2598 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2599             Bernd Schmidt  <bernd.schmidt@analog.com>
2600
2601         * pa/predicates.md (symbolic_operand): Add comment.
2602         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2603         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2604         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2605         (pa_secondary_reload_class): Delete.
2606         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2607         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2608         copy of symbolic operand.
2609         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2610
2611 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2612
2613         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2614         jump.
2615
2616 2005-11-30  Jeff Law  <law@redhat.com>
2617
2618         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2619         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2620
2621 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2622
2623         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2624         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2625         (ia64_expand_move): Adjust caller.
2626
2627         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2628         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2629         negate VAL.
2630
2631 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2632
2633         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2634         Always produce an output if we can remove NEGs or canonicalize
2635         (minus (minus ...)) expressions.  Provide a fast path for the
2636         two-operand case.
2637         (simplify_gen_binary): Do not call simplify_plus_minus.
2638         (simplify_binary_operation_1): Reassociate at the end of the
2639         function.
2640
2641 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2642
2643         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2644         moves and unpack to speed up.
2645
2646 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2647
2648         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2649         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2650         (gen_v9_scc): Update callers.
2651         * config/sparc/sparc.md: Likewise.
2652         * config/sparc/sparc-protos.h: Update extern declaration.
2653
2654         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2655
2656 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2657
2658         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2659         the if.
2660
2661 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2662
2663         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2664         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2665         (negate_expr): Here.
2666
2667 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2668
2669         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2670         Fix typo in comment.
2671
2672 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2673
2674         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2675         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2676
2677 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2678
2679         PR middle-end/20109
2680         PR middle-end/25120
2681         * builtins.c (init_target_chars): New.
2682         (expand_builtin_printf, expand_builtin_fprintf,
2683         expand_builtin_sprintf, fold_builtin_sprintf,
2684         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2685         fold_builtin_snprintf_chk, fold_builtin_printf,
2686         fold_builtin_fprintf): Check for matching format strings using
2687         the target charset.
2688
2689 2005-11-29  Paul Brook  <paul@codesourcery.com>
2690
2691         * config.gcc: Do not use fixproto on m68k-elf.
2692
2693 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2694
2695         * expmed.c (div_cost): Replace with...
2696         (sdiv_cost, udiv_cost): New.
2697         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2698         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2699         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2700         (expand_divmod): Replace use of div_cost with either sdiv_cost
2701         or udiv_cost depending upon the signedness of the operation.
2702
2703 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2704
2705         PR libfortran/24991
2706         * config/darwin.c (machopic_indirection_name,
2707         machopic_output_indirection): Follow transparent alias chain.
2708
2709 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2710
2711         * varasm.c (ultimate_transparent_alias_target): Add comment.
2712
2713 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2714
2715         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2716         SET_SRC instead of XEXP where appropriate.
2717
2718 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2719
2720         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2721         __builtin_expect.
2722
2723 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2724
2725         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2726         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2727         bit at a time.
2728
2729 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2730
2731         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2732         secondary_input_reload_class, made static.  Adapt to new
2733         infrastructure.
2734         (secondary_output_reload_class): Delete.
2735         (TARGET_SECONDARY_RELOAD): New macro.
2736         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2737         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2738
2739 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2740
2741         PR c++/21166
2742         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2743         when its natural alignment is > BITS_PER_UNIT.
2744         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2745         * c-common.c (handle_packed_attribute): Ignore packing on a field
2746         whose type is naturally char aligned.
2747
2748 2005-11-28  Richard Guenther  <rguenther@suse.de>
2749
2750         * c-common.c (strict_aliasing_warning): Handle all
2751         component-ref like accesses.
2752
2753 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2754             Uros Bizjak  <uros@kss-loka.si>
2755
2756         PR middle-end/20219
2757         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2758         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2759         when flag_unsafe_math_optimizations is set and
2760         we don't care about NaNs or Infinities.
2761
2762         Move x/expN(y) and x/pow(y,z) transformation into common
2763         flag_unsafe_math_optimizations section.
2764
2765 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2766
2767         * gcc.c (main): Change type of argv to "char **".
2768
2769 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2770
2771         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2772         small data sections.
2773         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2774         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2775         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2776         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2777         output locals to sbss if !rs6000_elf_in_small_data_p.
2778         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2779
2780 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2781
2782         PR target/24997
2783         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2784         generated by reload.
2785         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2786         indexed_or_indirect_address.
2787         (indexed_or_indirect_address): Don't test for base reg.  Call
2788         address_operand last.  Make it a special predicate.
2789
2790 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2791
2792         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2793
2794 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2795
2796         PR middle-end/24575
2797         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2798         is undefined.
2799         (negate_expr): Likewise.
2800
2801 2005-11-27  Andreas Schwab  <schwab@suse.de>
2802
2803         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2804         redundant parens.
2805
2806 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2807
2808         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2809         has EH predecessor edges.
2810
2811 2005-11-26  Eric Christopher  <echristo@apple.com>
2812
2813         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2814         register stalls by zero extending to the full register.
2815
2816 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2817
2818         * config/floatunsisf.c, config/floatunsidf.c,
2819         config/floatunsixf.c, config/floatunsitf.c: New files.
2820         * config/ia64/t-hpux: Add floatunsitf.c.
2821         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2822         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2823
2824 2005-11-26  Richard Henderson  <rth@redhat.com>
2825
2826         * c-lex.c (pragma_lex): Rename from c_lex.
2827         * c-pch.c: Update for pragma_lex rename.
2828         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2829         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2830         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2831         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2832         * doc/tm.texi: Likewise.
2833
2834 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2835
2836         PR middle-end/23669
2837         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2838         when overflow is undefined.
2839
2840 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2841
2842         * doc/md.texi (Insn Canonicalizations): Refer to the
2843         function commutative_operand_precedence for further rules.
2844
2845 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2846
2847         PR middle-end/21309
2848         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2849         is less than zero.  Limit mult_cost to a reasonable upper bound for
2850         the synthetic multiplication sequence.
2851
2852 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2853
2854         PR middle-end/25022
2855         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2856         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2857         Lookup the explicit replacement functions for any unlocked
2858         stdio builtin transformations.
2859
2860 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2861
2862         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2863         earlyclobber.
2864         * targhooks.c (default_secondary_reload): Don't require operand 2
2865         for an input reload to be earlyclobber.
2866
2867 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2868
2869         * fold-const.c (negate_mathfn_p): Fix comment and add support
2870         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2871         BUILT_IN_ATANH.
2872
2873 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2874
2875         PR middle-end/24998
2876         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2877         _Q_ulltoq for unsigned conversions from SImode and DImode to
2878         TFmode.
2879
2880 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2881
2882         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2883         (__floatundidf, __floatundisf): Likewise.
2884
2885 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2886
2887         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2888         (rs6000_override_options): Remove initialization of
2889         rs6000_sr_alias_set.
2890         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2891         (rs6000_emit_stack_tie): Same.
2892         (emit_frame_save): Same.
2893         (gen_frame_mem_offset): Same.
2894         (rs6000_emit_prologue): Same.
2895         (rs6000_emit_epilogue): Same.
2896
2897 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2898
2899         PR middle-end/24989
2900         * fold-const.c (fold_build): Convert bool_var != 1 and
2901         bool_var == 0 to !bool_var.
2902
2903 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2904
2905         PR middle-end/24990
2906         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2907         for C being INTEGER_CST.  Likewise for !=.
2908
2909 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2910
2911         PR middle-end/24998
2912         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2913         unsigned conversions from SImode to TFmode.
2914
2915 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2916
2917         * expr.c (expand_expr_real_1): Fix error in last change.
2918
2919 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2920
2921         * caller-save.c: (this_insn_sets): Move into:
2922         (save_call_clobbered_regs).
2923         (mark_set_regs): Get this_insn_sets from data.
2924
2925         (save_call_clobbered_regs): Take sets of the return value by
2926         sibcalls into account.
2927
2928 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2929         PR target/21623:
2930
2931         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2932         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2933         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2934         (memory_move_secondary_cost, init_reg_autoinc): Remove
2935         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2936         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2937         secondary_reload_class call.
2938         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2939         callers.
2940         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2941         (push_secondary_reload): Use secondary_reload target hook.
2942         (secondary_reload_class, scratch_reload_class): New functions.
2943         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2944         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2945         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2946         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2947         (secondary_reload_class, scratch_reload_class): Declare.
2948         * reload1.c: Include target.h.
2949         (reload_adjust_reg_for_temp): New function.
2950         (reload_adjust_reg_for_icode): Likewise.
2951         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2952         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2953         call.
2954         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2955         for inheritance.  Support case when both secondary & tertiary reloads
2956         are for intermediate registers.
2957         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2958         with secondary_reload_class call.  Support case when both secondary
2959         & tertiary reloads are for intermediate registers.
2960         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2961         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2962         * target.h (secondary_reload_info): New struct / typedef.
2963         (struct gcc_target): New member secondary_reload.
2964         * targhooks.c Include reload.h, optabs.h and recog.h.
2965         (default_secondary_reload): New function.
2966         * targhooks.h (default_secondary_reload): Declare.
2967         * doc/tm.texi: Document secondary_reload target hook.  Update
2968         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2969         * doc/md.texi: Likewise.
2970
2971         * sh-protos.h (sh_secondary_reload): Declare.
2972         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2973         (sh_secondary_reload): New function.
2974         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2975         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2976         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2977         (HAVE_SECONDARY_RELOADS): Define.
2978         * sh.md (reload_indf): Rename to:
2979         (reload_indf__frn).
2980         (reload_outdf): Rename to:
2981         (reload_outdf__RnFRm).
2982         (reload_insf): Rename to:
2983         (reload_insf__frn).
2984         (reload_insi): Rename to:
2985         (reload_insi__i_fpul).
2986
2987 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2988
2989         * configure.ac: Require at least texinfo 4.4.
2990         * configure: Regenerate.
2991
2992         * doc/install.texi (Tools/packages necessary for building GCC):
2993         Update required version of texinfo to at least 4.4.
2994         (Installing GCC: Building): Update required version of texinfo
2995         to at least 4.4.
2996         (Installing GCC: Final installation): Update required version
2997         of texi2dvi to at least 4.4.
2998         (Host/target specific installation notes for GCC): Update required
2999         version of texinfo to at least 4.4.
3000
3001 2005-11-24  Richard Guenther  <rguenther@suse.de>
3002         Dirk Mueller <dmueller@suse.de>
3003
3004         PR c++/14024
3005         * c-common.h (strict_aliasing_warning): Declare.
3006         * c-common.c (strict_aliasing_warning): New function,
3007         split out from ...
3008         * c-typeck.c (build_c_cast): ... here.
3009
3010 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3011
3012         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3013         to order operands.
3014         (swap_commutative_operands_with_target): New.
3015
3016 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3017
3018         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3019         also when doing PRE, rather than only for global CPROP.
3020
3021 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3022
3023         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3024         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3025         formatting.
3026         (expand_twoval_unop): Likewise.
3027         (widen_clz): Likewise.
3028         (expand_parity): Likewise.
3029         (expand_unop): Likewise.
3030         (emit_cmp_and_jmp_insn_1): Likewise.
3031         (prepare_float_lib_cmp): Likewise.
3032
3033 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3034
3035         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3036         Remove unused `class' variable.
3037
3038 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3039
3040         PR c++/21667
3041         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
3042         C/C++ diagnostic function warn_array_subscript_with_type_char.
3043         * c-common.h (warn_array_subscript_with_type_char): Declare.
3044         * c-common.c (warn_array_subscript_with_type_char): Define.
3045
3046 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3047
3048         PR c/21668
3049         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3050         compiling at the intersection of C and C++.
3051
3052 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
3053
3054         * doc/invoke.texi: For man pages, include gcc-vers.texi.
3055         List @file in the option summary.  Include the libiberty
3056         documentation for @file.
3057         * gcc.c (main): Call expandargv.
3058         * Makefile.in (gcc-vers.texi): Define srcdir.
3059
3060 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
3061
3062         * passes.c (init_optimization_passes): Document
3063         sequencing of passes.
3064
3065 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
3066
3067         * config/m68k/predicates.md (pcrel_address, extend_operator,
3068         post_inc_operand, pre_dec_operand): Remove redundant
3069         conditionals.
3070         (const_uint32_operand, const_sint32_operand): Use gcc_assert
3071         instead of abort.
3072         (valid_dbcc_comparison_p): Rewrite in the lisp style.
3073
3074 2005-11-23  Ben Elliston  <bje@au.ibm.com>
3075
3076         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3077
3078 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
3079
3080         Preparatory work for PR target/21623:
3081         * alpha.c (secondary_reload_class): Rename to:
3082         (alpha_secondary_reload_class).
3083         * alpha.h, alpha-protos.h: Likewise.
3084         * mn10300.c (secondary_reload_class): Rename to:
3085         (mn10300_secondary_reload_class).
3086         * mn10300.h, mn10300-protos.h: Likewise.
3087         * pa.c (secondary_reload_class): Rename to:
3088         (pa_secondary_reload_class).
3089         * pa.h, pa-protos.h: Likewise.
3090         * rs6000.c (secondary_reload_class): Rename to:
3091         rs6000_secondary_reload_class.
3092         * rs6000.h, rs6000-protos.h: Likewise.
3093
3094 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
3095
3096         PR middle-end/22561
3097         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3098
3099 2005-11-22  Ian Lance Taylor  <ian@airs.com>
3100
3101         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3102         a mode_class.
3103         (prepare_cmp_insn): Likewise.
3104
3105 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
3106
3107         PR target/23435
3108         * m68k.md (zero_extendsidi2): Force operands[1] to a register
3109         if both operands[0] and operands[1] are memory.
3110
3111 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3112
3113         PR middle-end/23606
3114         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3115         COMPARISON_CLASS_P and an integral types create create a new
3116         expression with the new type and fold that.
3117
3118 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3119
3120         PR target/24988
3121         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3122         to SUBTARGET_OS_CPP_BUILTINS.
3123
3124 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
3125
3126         * arm.c (emit_set_insn): New function.
3127         (arm_split_constant): Call it.
3128         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3129         (arm_legitimize_address): Likewise.  Use plus_constant.
3130         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
3131         (thumb_expand_prologue): Likewise.
3132         (arm_gen_load_multiple): Use VOIDmode in SET.
3133         (arm_gen_store_multiple): Likewise.
3134         (vfp_emit_fstmx): Likewise.  Use plus_constant.
3135         (emit_multi_reg_push): Likewise.
3136         (emit_sfm): Use plus_constant.
3137
3138 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
3139
3140         PR target/24954
3141         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3142         typo last change.
3143
3144 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3145
3146         PR middle-end/24950
3147         * expmed.c (store_bit_field): Don't attempt to insv a field
3148         larger than the reg.
3149
3150 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3151
3152         PR target/24954
3153         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3154         explicit sign extension, not a (char) cast.
3155
3156 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3157
3158         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3159         GET_MODE_CLASS (x) == MODE_FLOAT.
3160         * config/i386/i386.c: Likewise.
3161         * config/rs6000/xcoff.h: Likewise.
3162         * config/rs6000/linux64.h: Likewise.
3163         * config/rs6000/rs6000.c: Likewise.
3164         * config/rs6000/rs6000.h: Likewise.
3165         * config/rs6000/predicates.md: Likewise.
3166         * config/rs6000/sysv4.h: Likewise.
3167
3168 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3169
3170         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3171         flag_pic is set.
3172
3173         * config/alpha/freebsd.h, config/alpha/linux.h,
3174         config/arm/linux-elf.h, config/bfin/bfin.h,
3175         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3176         config/i386/beos-elf.h, config/i386/gnu.h,
3177         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3178         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3179         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3180         config/rs6000/linux64.h, config/rs6000/sysv4.h,
3181         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3182         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3183         config/sparc/linux.h, config/sparc/linux64.h,
3184         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3185
3186         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3187         are both defined when either flag -fpic or -fPIC are used.
3188
3189 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3190
3191         * config/fp-bit.c (clzusi): New function.
3192         (si_to_float, usi_to_float): Use it to compute proper shift.
3193         (usi_to_float): Preserve guard bits when shifting right.
3194         * libgcc-std.ver (GCC_4.2.0): New version.
3195         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3196         __floatundisf): New functions.
3197         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3198         __floatundisf): Declare.
3199         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3200         _floatundixf, and _floatunditf.
3201         * optabs.c (expand_float): If target does not define a pattern for
3202         signed or unsigned conversion, use an unsigned libcall instead of
3203         a signed one.
3204         (init_optabs): Initialize ufloat_optab.
3205
3206 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3207
3208         * config/rs6000/rs6000.opt (mmulhw): New option.
3209         * doc/invoke.texi (-mmulhw): Document.
3210         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3211         for 405 and 440.
3212         * config/rs6000/rs6000.md: Add half-word multiply and
3213         multiply-accumulate instructions for 405 and 440.
3214
3215 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3216
3217         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3218         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3219         default now includes a linker group which makes the RTEMS one nest.
3220
3221 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3222
3223         * cse.c (fold_rtx): Typo fix.
3224         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3225
3226 2005-11-21  Richard Henderson  <rth@redhat.com>
3227
3228         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3229         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3230
3231         * c-tree.h (lookup_name): Move declaration ...
3232         * c-common.h (lookup_name): ... here.
3233         * config/darwin-c.c: Include c-common.h.
3234         * config/t-darwin: Update dependencies.
3235
3236 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3237
3238         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3239         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3240         * genopinit.c (gen_insn): Likewise.
3241         * reload.c (find_equiv_reg): Likewise.
3242         * loop.c (load_mems): Likewise.
3243         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3244         * cse.c (find_comparison_args, fold_rtx): Likewise.
3245         * dwarf2out.c (add_const_value_attribute): Likewise.
3246         * expr.c (convert_move): Likewise.
3247         * recog.c (general_operand, register_operand): Likewise.
3248         * reg-stack.c (replace_reg): Likewise.
3249         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3250         * c-common.c (handle_vector_size_attribute): Likewise.
3251         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3252         (simplify_binary_operation_1): Likewise.
3253         (simplify_const_binary_operation): Likewise.
3254         (simplify_relational_operation): Likewise.
3255         (simplify_const_relational_operation): Likewise.
3256         (simplify_immed_subreg): Likewise.
3257         * emit-rtl.c (gen_lowpart_common): Likewise.
3258         * expmed.c (expand_mult): Likewise.
3259         * stor-layout.c (layout_type): Likewise.
3260
3261 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3262
3263         PR target/24951
3264         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3265         cst2 only for SPE vectors.
3266
3267 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3268
3269         PR target/24953
3270         * config/rs6000/predicates.md (vrsave_operation): Check
3271         UNSPEC_VOLATILE value.
3272
3273 2005-11-21  Jan Hubicka  <jh@suse.cz>
3274
3275         PR tree-optimization/24653
3276         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3277
3278 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3279
3280         * config/i386/predicates.md (ax_reg_operand): New predicate.
3281         (memory_displacement_only_operand): New predicate.
3282         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3283         operand is AX register and the other operand is memory operand
3284         with displacement only.
3285
3286 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3287
3288         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3289         if we don't care about NaNs or Infinities.
3290
3291 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3292
3293         PR rtl-optimization/24883
3294         * combine.c (combinable_i3pat): When checking whether the
3295         destination of i3 is used in i3, consider paradoxical subregs.
3296
3297 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3298
3299         PR middle-end/20583
3300         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3301
3302 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3303
3304         * combine.c (try_combine): Do not run subst on i1src and i2src in
3305         the case of generating a PARALLEL for a comparison.
3306
3307 2005-11-20  Richard Henderson  <rth@redhat.com>
3308
3309         PR 24931
3310         * tree-sra.c (struct sra_elt): Add all_no_warning.
3311         (struct sra_walk_fns) <use>: Add use_all argument.
3312         (sra_walk_expr): Pass it.
3313         (sra_walk_modify_expr): Likewise.
3314         (scalarize_ldst): Likewise.
3315         (scan_use): Update for new argument.
3316         (mark_no_warning): New.
3317         (scalarize_use): Use it.
3318
3319 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3320
3321         * expr.c (expand_expr_real): Use usmul_optab for widening
3322         signed * unsigned multiplies.
3323         * genopinit.c (optabs): Add usmul_widen_optab.
3324         * optabs.c (init_optabs): Likewise.
3325         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3326         (usmul_widen_optab): Define.
3327         * config/bfin/bfin.md (usmulhisi3): New pattern.
3328
3329         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3330
3331 2005-11-20  Graham Stott <btinternet.com>
3332
3333         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3334
3335 2005-11-20  Andreas Schwab  <schwab@suse.de>
3336
3337         PR target/24757
3338         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3339         insn.
3340
3341 2005-11-19  Richard Henderson  <rth@redhat.com>
3342
3343         PR tree-opt/24665
3344         * tree-gimple.c (is_gimple_id): Export.
3345         * tree-gimple.h (is_gimple_id): Declare.
3346         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3347         (get_default_value): Use it.
3348         (maybe_fold_stmt_indirect): Likewise.
3349
3350 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3351
3352         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3353         than VR1 or vice-versa.
3354
3355 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3356
3357         PR middle-end/24912
3358         PR middle-end/24750
3359         * reload.c (find_reloads_address_1): Mention dependency on
3360         gen_reload.
3361         * reload1.c (gen_reload): For IN with an unary operation, try
3362         moving inner expression to OUT if trivial SET is not valid.
3363         Confirm that the result is valid.  Move common code block into...
3364         (emit_insn_if_valid_for_reload): New function.
3365
3366 2005-11-19  Richard Guenther  <rguenther@suse.de>
3367
3368         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3369         ARRAY_REFs of constant strings.
3370
3371 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3372
3373         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3374         fatal format string.
3375
3376 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3377
3378         * combine.c (make_compound_operation): Swap operands of
3379         commutative operation if necessary before returning.
3380
3381 2005-11-19  Richard Guenther  <rguenther@suse.de>
3382
3383         PR middle-end/23294
3384         * fold-const.c (fold_plusminus_mult_expr): New function.
3385         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3386         cases, remove now unnecessary code.
3387
3388 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3389
3390         * gensupport.c (old_preds): Rename to std_preds, add special field.
3391         (struct old_pred_table): Rename to struct std_pred_table, add special
3392         field.
3393         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3394         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3395         (init_predicate_table): Adjust, and set along the way whether a
3396         predicate is special.
3397
3398 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3399
3400         * BASE-VER: Change to 4.2.0.
3401
3402 2005-11-18  James E Wilson  <wilson@specifix.com>
3403
3404         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3405         returning it.
3406
3407 2005-11-18  Mike Stump  <mrs@apple.com>
3408
3409         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3410         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3411         * c-decl.c (lookup_name_two) Remove.
3412         * c-tree.h (lookup_name_two): Remove.
3413         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3414         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3415         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3416         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3417
3418 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3419
3420         PR target/24914
3421         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3422         when not generating code to use that co-processor.
3423
3424 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3425
3426         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3427         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3428         these functions are now in tree-phinodes.c.
3429
3430 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3431
3432         * config/bfin/bfin.md (trap): New pattern.
3433
3434 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3435
3436         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3437         on types.
3438
3439         * expr.c (expand_expr_real): Don't call record_block_change unless
3440         ib_boundaries_block is non-null
3441
3442         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3443
3444         * fold-const.c (build_range_check): Use proper type for subtraction
3445         when merging lower bound.
3446
3447 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3448
3449         PR rtl-optimization/24497
3450         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3451         the copied insn.
3452
3453 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3454
3455         * tree-scalar-evolution.c (expression_expensive_p): New function.
3456         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3457
3458 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3459
3460         * config/bfin/crtlibid.s: New file.
3461
3462 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3463
3464         PR target/24348
3465         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3466         when not using sjlj exceptions.
3467         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3468         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3469         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3470         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3471         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3472         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3473         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3474         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3475         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3476         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3477         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3478         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3479         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3480         defines.
3481         * config/pa/hpux-unwind.h: New file.
3482
3483 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3484
3485         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3486         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3487         * varasm.c (do_assemble_alias): Adjust call.
3488         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3489         is defined.
3490         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3491
3492 2005-11-17  James E Wilson  <wilson@specifix.com>
3493
3494         * tree.def (FUNCTION_DECL): Correct typo in comment.
3495
3496 2005-11-17  Richard Henderson  <rth@redhat.com>
3497
3498         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3499         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3500         and DW_CFA_def_cfa_sf.
3501         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3502         (dbx_reg_number): Don't assert particular registers here.
3503         (based_loc_descr): ... do it here instead.  Fold in ...
3504         (eliminate_reg_to_offset): ... this function.
3505         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3506         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3507         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3508         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3509         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3510         (instantiate_virtual_regs): Likewise.
3511         * var-tracking.c (adjust_stack_reference): Likewise.
3512         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3513
3514 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3515
3516         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3517         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3518         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3519         crtlibid.o.
3520         ($(T)crtlibid.o): New rule.
3521
3522 2005-11-16  Richard Guenther  <rguenther@suse.de>
3523
3524         PR middle-end/24851
3525         * fold-const.c (extract_array_ref): Return byte offset
3526         in all cases.
3527         (fold_binary): Fold &x[a] CMP &x[b] to
3528         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3529         behavior.
3530
3531 2005-11-16  Richard Henderson  <rth@redhat.com>
3532
3533         PR middle-end/23497
3534         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3535         parts of an SSA_NAME.
3536
3537 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3538
3539         PR target/24861
3540         * arm.md (split for movsf with immediate): Restrict split to insns
3541         that set a general register.
3542
3543 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3544
3545         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3546         uw_update_context.
3547         * unwind-dw2.c (uw_advance_context): Likewise.
3548         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3549         _Unwind_SjLj_Unregister.
3550         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3551
3552 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3553
3554         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3555
3556 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3557
3558         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3559         langhook to get a DImode integer type.
3560
3561 2005-11-16  Richard Henderson  <rth@redhat.com>
3562             J"orn Rennecke <joern.rennecke@st.com>
3563             Ulrich Weigand  <uweigand@de.ibm.com>
3564
3565         PR rtl-opt/24160
3566         PR target/24621
3567         * reload1.c (reg_equiv_invariant): New.
3568         (reload): Allocate, initialize, and free it.
3569         (calculate_needs_all_insns): Check it when skipping equivalence
3570         setting insns.
3571         (alter_reg): Likewise.
3572         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3573         may_use_invariant argument; only use reg_equiv_invariant when true.
3574         (eliminate_regs): New.
3575         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3576         a context for which may_use_invariant may be true.
3577
3578 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3579
3580         * fold-const.c (const_binop): Don't constant fold the operation
3581         if the result has overflowed and flag_trapping_math.
3582         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3583
3584 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3585
3586         * config/arm/unwind-arm.c (abort): Add prototype here.
3587         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3588         (struct phase1_vrs): Add prev_sp.
3589         (unwind_phase2_forced): Save the original core registers instead of
3590         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3591         and set action flags accordingly.  Always set _US_END_OF_STACK when
3592         get_eit_entry fails.  Unwind before calling the stop function.
3593         (_Unwind_GetCFA): New function.
3594         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3595         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3596         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3597         just call unwind_phase2_forced.
3598         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3599         * config/arm/unwind-arm.h (abort): Remove prototype.
3600         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3601         prototypes.
3602         (_Unwind_GetCFA): New prototype.
3603         * config/arm/pr-support.c (abort): Add prototype here.
3604         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3605         forced unwinding.
3606         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3607         not schedule the prologue with non-call exceptions and EABI.
3608
3609 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3610
3611         * config/arm/unwind-arm.h: Reorder interface function declarations.
3612         (_URC_END_OF_STACK): New enumeration value.
3613         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3614         (struct _Unwind_Control_Block): Document reserved field use.
3615         (_Unwind_Stop_Fn): New typedef.
3616         (_Unwind_ForcedUnwind): Declare.
3617         (_Unwind_Resume_or_Rethrow): Declare.
3618         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3619         argument.  Adjust.
3620         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3621         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3622         (UCB_FORCED_STOP_ARG): New.
3623         (search_EIT_table): Update boundary condition checks.
3624         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3625         (unwind_phase2): Replace for with do..while.
3626         (unwind_phase2_forced): New.
3627         (__gnu_Unwind_RaiseException): Replace for with do..while.
3628         (__gnu_Unwind_ForcedUnwind): New.
3629         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3630         Use appropriate phase2 unwinder.
3631         (__gnu_Unwind_Resume_or_Rethrow): New.
3632         (__gnu_unwind_pr_common): Cope with forced unwinding.
3633
3634 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3635
3636         PR target/24772
3637         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3638
3639         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3640         roundsf2): Remove "s" from mnemonic.
3641
3642 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3643
3644         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3645         __PIC__ is defined.
3646         * config/bfin/crtn.s: Change epilogues to match.
3647         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3648         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3649         __PIC__ and __pic__.
3650
3651 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3652
3653         PR 24357
3654         * doc/invoke.texi: Distinguish between free and fixed form instead of
3655         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3656         languages.
3657         * gcc.c (default_compilers): Remove double entries, add entries for
3658         suffixes '.F90' and '.F95'.
3659
3660 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3661
3662         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3663         in the stack probing loop.
3664
3665 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3666
3667         * configure.ac: Use .machine power5 not power5x.
3668         * configure: Regenerate.
3669
3670 2005-11-15  Mike Stump  <mrs@apple.com>
3671
3672         * c-decl.c (lookup_name_two): Add.
3673         * c-tree.h (lookup_name_two): Likewise.
3674         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3675         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3676
3677 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3678
3679         PR rtl-optimization/23392
3680         * regrename.c (enum scan_actions) Add mark_access.
3681         (scan_actions_name): Ditto.
3682         (scan_rtx_reg): Handle mark_access.
3683         (scan_rtx_address): Do nothing for mark_access.
3684         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3685         and regs in REG_INC notes before closing chains for dead regs.
3686         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3687         opening chains for new writes.
3688
3689 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3690
3691         * c.opt (ffixed-line-length-none): New.
3692
3693 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3694
3695         * mklibgcc.in: Change contents of eh_dummy.c.
3696
3697 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3698
3699         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3700
3701 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3702
3703         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3704         of making syscalls.
3705         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3706
3707 2005-11-15  Jan Hubicka  <jh@suse.cz>
3708
3709         * invoke.texi (large-unit-insns): Document.
3710         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3711         * params.def (large-unit-insns): New param.
3712
3713 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3714
3715         PR target/24869
3716         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3717         special register for operand 3.  Reindent constraints to align
3718         them vertically.
3719
3720 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3721
3722         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3723         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3724         * configure.ac: Add test for FP rounding instructions.
3725         * configure: Regenerate.
3726         * config.in: Regenerate.
3727         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3728         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3729         features enabled.
3730         * config/rs6000/rs6000.opt (mfprnd): New.
3731         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3732         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3733         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3734         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3735         (TARGET_FPRND): New.
3736         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3737         UNSPEC_FRIZ): New.
3738         (btrunc<mode>2): New.
3739         (ceil<mode>2): New.
3740         (floor<mode>2): New.
3741         (round<mode>2): New.
3742
3743 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3744
3745         * gcc.c (version_compare_spec_function): Use fatal() rather than
3746         abort().
3747
3748         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3749         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3750         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3751         as empty.
3752         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3753         link in crt2.o.
3754
3755         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3756         on -mmacosx-version-min setting.
3757
3758 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3759
3760         PR 24840
3761         * tree-vrp.c (infer_value_range): Return false if STMT is a
3762         block terminator and its basic block has no successors.
3763
3764 2005-11-14  Mike Stump  <mrs@apple.com>
3765
3766         * config/i386/i386.c (override_options): -masm=intel isn't
3767         supported on darwin.
3768         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3769
3770 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3771
3772         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3773         vfork after including auto-host.h.
3774
3775 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3776
3777         PR rtl-optimization/22002
3778         * combine.c (distribute_notes): Detect cases where a reg dies
3779         two or more times in a bb, including on the insn we are combining,
3780         and place the death note on the correct range.
3781
3782 2005-11-14  Dale Johannesen  <dalej@apple.com>
3783
3784         * expmed.c (store_bit_field):  Add offset unconditionally for
3785         memory targets.
3786         (extract_bit_field):  Don't force extzv or extv operand into
3787         a register if field is too big.
3788
3789 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3790
3791         * config/arm/arm.c (pic_labelno): New.
3792         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3793         LABEL_REF.  Pass only the labelno to PIC insns.
3794         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3795         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3796         * arm.md (UNSPEC_PIC_LABEL): New constant.
3797         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3798         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3799         Use the correct label prefix.
3800
3801 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3802
3803         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3804         REQ_EQUIV note.
3805
3806 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3807
3808         * loop-invariant.c: Include tm_p.h.
3809         * Makefile.in: Updated.
3810
3811 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3812
3813         * pa.c (store_reg): Revise generation of frame notes in large frames.
3814         (set_reg_plus_d): Likewise.
3815
3816 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3817
3818         PR tree-optimization/24709
3819         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3820         loop check.
3821
3822 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3823
3824         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3825         and duplicate declaration of pthread_self.
3826
3827 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3828             Ian Lance Taylor  <ian@airs.com>
3829
3830         PR middle-end/24003
3831         * calls.c (expand_call): If TARGET is a MEM and some part of the
3832         argument area has been saved, force TARGET to a register.
3833
3834 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3835
3836         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3837         checking.
3838
3839 2005-11-13  Jason Merrill  <jason@redhat.com>
3840
3841         PR c++/22489
3842         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3843         lazily declared methods.
3844         (force_decl_die): Stop if forcing out the context already make a
3845         DIE for the decl.
3846         (force_type_die): Likewise.
3847
3848 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3849
3850         PR middle-end/24820
3851         * builtins.c (integer_valued_real_p): Add break in
3852         REAL_CST having TREE_OVERFLOW set.
3853
3854 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3855
3856         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3857         addressing modes during calculation of costs.
3858
3859 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3860
3861         * function.c (assign_stack_local_1): Restrict sanity check
3862         on frame size overflow to 32-bit and above platforms.
3863
3864 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3865
3866         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3867         * config/cris/cris.c: Include reload.h.
3868         (cris_initial_elimination_offset): New function.
3869         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3870         Prototype.
3871
3872 2005-11-12  Richard Guenther  <rguenther@suse.de>
3873
3874         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3875
3876 2005-11-12  Jan Hubicka  <jh@suse.cz>
3877
3878         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3879         to compare against 0 when possible.
3880
3881 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3882
3883         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3884         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3885         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3886         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3887         in the new order.
3888
3889 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3890
3891         * recog.c (constrain_operands) <case 'g'>: For a match, require
3892         that a non-register matches general_operand when strict >= 0.
3893
3894 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3895
3896         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3897         previous checkin.
3898
3899 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3900
3901         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3902         (memory_address_same): New.
3903         (dse_optimize_stmt): Call memory_address_same.
3904
3905 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3906
3907         PR middle-end/24750
3908         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3909         ZERO_EXTEND>: New cases.
3910
3911 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3912
3913         * longlong.h (__clz_tab): Always provide.
3914
3915 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3916
3917         PR 24265
3918         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3919         can be assigned to.
3920         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3921         before check_maybe_invariant.
3922         (move_invariant_reg): Use gen_move_insn instead of replacing
3923         SET_DEST with the temporary for the invariant.
3924         (move_loop_invariants): If checking is enabled, do internal
3925         consistency checks after completing the pass.
3926
3927 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3928
3929         PR 24644
3930         * common.opt (Wvolatile-register-var): New.
3931         * varasm.c (make_decl_rtl): Only emit warning when option
3932         specified.  Clarify warning message.
3933         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3934
3935         * doc/md.texi (copysign): Document standard named pattern.
3936
3937 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3938
3939         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3940         bytes when align is 2.
3941         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3942         by the first instruction of the loop.
3943
3944 2005-11-11  Jason Merrill  <jason@redhat.com>
3945
3946         PR c++/24686
3947         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3948         the cleanup list.
3949
3950 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3951
3952         PR rtl-optimization/22509
3953         * local-alloc.c (memref_used_between_p): Check whether a function call
3954         could not reference the memref.
3955
3956 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3957
3958         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3959         algorithm so as to choose the best, not the worst, alternative.
3960         Reset accumulated register class before processing next alternative.
3961
3962 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3963
3964         PR target/24445
3965         * calls.c (expand_call): Copy a return value to a plain register
3966         if needed.
3967
3968 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3969
3970         PR target/24778
3971         * varasm.c (assemble_name): Recompute name only for transparent
3972         aliases.
3973
3974 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3975
3976         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3977
3978 2005-11-04  Jeff Law  <law@redhat.com>
3979
3980         PR middle-end/23181
3981         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3982         perform reassociation if the parent statement will not die as
3983         a result of the optimization.
3984
3985 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3986
3987         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3988         delete_old_heap_vars.
3989         * tree-dfa.c (referenced_var_remove): Remove function.
3990         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3991         (delete_tree_ssa): Remove call to delete_old_heapvars.
3992         Add call to delete_alias_heapvars.
3993         * tree-flow.h (referenced_var_remove): Remove prototype
3994         (init_alias_heapvars): New prototype.
3995         (delete_alias_heapvars): Ditto.
3996         * Makefile.in (tree-ssa-structalias.o): Add
3997         gt-tree-ssa-structalias.o
3998         (GTFILES): Add tree-ssa-structalias.h and
3999         tree-ssa-structalias.c.
4000         (s-gtype): Add gt-tree-ssa-structalias.h.
4001         * tree-ssa-structalias.c (heapvars): Remove.
4002         (oldheapvars): Remove.
4003         (heapvar_for_stmt): New variable.
4004         (heapvar_lookup): New function.
4005         (heapvar_insert): Ditto.
4006         (get_constraint_for): See if we have an old heapvar
4007         to reuse.
4008         (init_alias_heapvars): New function.
4009         (delete_alias_heapvars): Ditto.
4010         Add include of gt-tree-ssa-structalias.h.
4011
4012 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4013
4014         PR middle-end/22127
4015         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4016
4017 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
4018
4019         * tree.c (int_fits_type_p): Only look at the base type
4020         if it has the same precision as the original type.
4021
4022 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
4023
4024         PR other/4372
4025         * varasm.c (assemble_alias): Use %q+D in the error
4026         message instead of %J and %qD.
4027
4028 2005-11-10  Richard Guenther  <rguenther@suse.de>
4029
4030         * gcse.c (free_ldst_entry): Only free hashtable if
4031         it exists.
4032
4033 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4034
4035         * function.c (assign_stack_local_1): Issue an error message if
4036         the frame size overflows in the signed target arithmetics.
4037
4038 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4039
4040         * tree.c (build_qualified_type): Chain the new type to the original
4041         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4042         a POINTER_TYPE or a REFERENCE_TYPE respectively.
4043         (build_pointer_type_for_mode): Only return unqualified types.
4044         (build_reference_type_for_mode): Likewise.
4045
4046 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
4047
4048         * Makefile.in (gnucompare): Do comparison of all files using one of
4049         the chosen methods and only afterwards decide if just warning should
4050         be issued or comparison failure raised.
4051
4052 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4053
4054         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4055         (noce_try_abs): Negate if the comparison is reversed.
4056         Look only one instruction backwards for a REG_EQUAL note.
4057
4058 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4059
4060         PR other/4372
4061         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4062         gthr-tpf.h: Define __gthrw.  For all identifiers that might
4063         be weak, introduce weakrefs or non-weak aliases with __gthrw,
4064         and prefix all uses with __ghtrw.
4065
4066 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4067
4068         PR other/4372
4069         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4070         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
4071         * c-common.c (handle_weakref_attribute): New.
4072         (c_common_attribute_table): Add weakref.
4073         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4074         in the assembler.
4075         * configure, config.in: Rebuilt.
4076         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4077         * doc/extend.texi: Document weakref attribute.
4078         * varasm.c (ultimate_transparent_alias_target): New
4079         (assemble_name): Use it.
4080         (weak_finish_1): Split out of...
4081         (weak_finish): ... and deal with weakrefs in...
4082         (weakref_targets): ... new list.
4083         (globalize_decl): Clean up weakref_targets.
4084         (do_assemble_alias): Handle weakrefs.
4085         (finish_aliases_1): Do not reject weakrefs to external symbols.
4086         (assemble_alias): Handle weakrefs.
4087
4088 2005-11-09  Richard Guenther  <rguenther@suse.de>
4089
4090         PR tree-optimization/24716
4091         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4092         t_bool to track results from follow_ssa_edge.
4093
4094 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4095
4096         * final.c (force_source_line): New global variable.
4097         (final_scan_insn): Set it to true instead of clearing last_filename.
4098         (notice_source_line): Return true if force_source_line is true,
4099         unless source info is absent.
4100
4101 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
4102
4103         PR c/24644
4104         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4105         a linkage name for a variable if it a register variable.
4106         * c-decl.c (grokdeclarator): Global register variables
4107         should be set as PUBLIC.
4108
4109 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4110
4111         PR 24624
4112         * config/s390/s390.c (struct s390_frame_layout): New fields
4113         first_save_gpr_slot and last_save_gpr_slot.
4114         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4115         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4116         first_save_gpr and last_save_gpr with the _slot variants.
4117         (s390_register_info): Calculate first_save_gpr_slot and
4118         last_save_gpr_slot using regs_ever_live.
4119
4120 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4121
4122         PR 24623
4123         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4124         for a function containing a landing pad.
4125
4126 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4127
4128         PR 24034
4129         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4130         is live afterwards.
4131
4132 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
4133
4134         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4135         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4136
4137 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
4138
4139         Add ms2 support
4140         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4141         constants.
4142         (call,load,store): New insn types.
4143         (mem_access, branch_access): Adjust reservation conditions.
4144         (define_delay): Adjust condition.
4145         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
4146         type.
4147         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4148         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4149         insn type.
4150         (call_internal, call_value_internal, return_internal,
4151         return_interrupt_internal, eh_return_internal, indirect_jump,
4152         tablejump): Set call insn type.
4153         (blockage, ei, di): Use appropriate unspec const.
4154         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4155         (ms1_get_attr_type): Adjust to give load & store types.
4156         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
4157         backwards past a barrier.
4158         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
4159         branch scheduling.
4160         (struct branch_info, struct label_info): New.
4161         (ms1_labels): New.
4162         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4163         (ms1_machine_reorg): New.
4164         (TARGET_MACHINE_DEPENDENT_REORG): Override.
4165         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4166         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4167         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4168         (TARGET_MS2): New.
4169
4170 2005-11-09  Per Bothner  <per@bothner.com>
4171             Uros Bizjak  <uros@kss-loka.si>
4172
4173         PR c/24101
4174         * toplev.c (process_options): Initialize debug_hooks early
4175         in case lang_hooks.post_options ends up calling a debug_hook.
4176
4177 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
4178
4179         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4180         DBX_REGISTER_NUMBER being contiguous.
4181
4182 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
4183             Diego Novillo  <dnovillo@redhat.com>
4184
4185         PR 23046
4186         * tree-vrp.c (register_edge_assert_for): Do not register
4187         always-false predicates.
4188
4189 2005-11-08  Devang Patel <dpatel@apple.com>
4190
4191         PR tree-optimization/23115
4192         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4193         relation.
4194
4195 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
4196
4197         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4198         -mcpu=440.
4199
4200 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
4201
4202         Fix PR tree-optimization/23382
4203
4204         * tree-ssa-alias.c (compute_may_aliases): Call
4205         delete_old_heap_vars.
4206         * tree-dfa.c (referenced_var_remove): New function.
4207         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4208         * tree-flow.h (referenced_var_remove): Add prototype.
4209         (delete_old_heap_vars): Ditto.
4210         * tree-ssa-structalias.c (heapvars): New variable.
4211         (oldheapvars): Ditto.
4212         (get_constraint_for): Put heap vars on heapvars list.
4213         (delete_old_heap_vars): New function.
4214
4215 2005-11-08  Jason Merrill  <jason@redhat.com>
4216
4217         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4218
4219 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
4220
4221         PR target/19340
4222         * reg-stack.c (reg_to_stack): Update register liveness also
4223         for flag_sched2_use_traces.
4224
4225 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
4226
4227         PR target/23704
4228         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4229         override prior explicit -mno-powerpc-gfxopt.
4230
4231 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
4232
4233         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4234         if the bitsize is zero.
4235         * doc/md.texi (Standard Pattern Names): Document it.
4236
4237         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4238         (TARGET_PASS_BY_REFERENCE): Likewise.
4239
4240 2005-11-07  Ian Lance Taylor  <ian@airs.com>
4241
4242         PR rtl-optimization/24683
4243         * config/i386/i386.c (legitimize_pic_address): If constant operand
4244         to PLUS is too large, put it in a register.
4245
4246 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
4247
4248         * configure.ac: Enable checking assembler dwarf2 support for bfin
4249         target.
4250         * configure: Regenerate.
4251
4252 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4253
4254         PR target/24230
4255
4256         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4257         gen_easy_vector_constant_add_self): Delete.
4258         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4259         New.
4260         (output_vec_const_move): Use gen_easy_altivec_constant.
4261         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4262         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4263         (easy_vector_constant_add_self): Rewritten.
4264         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4265         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4266         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4267         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4268         Macroize and adjust for the other changes.
4269
4270 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4271
4272         PR c/24599
4273
4274         * c-typeck.c (build_c_cast): Try using a shared constant, and see
4275         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4276
4277 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
4278
4279         PR rtl-optimization/23567
4280         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4281         (noce_process_if_block): Don't do any optimizations except
4282         if (cond) x = x; if !set_b and write into orig_x may trap
4283         or fault.  Remove the MEM_READONLY_P check.
4284
4285 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
4286
4287         PR 24670
4288         * tree-vrp.c (fix_equivalence_set): New.
4289         (extract_range_from_assert): Call it.
4290
4291 2005-11-05  Ian Lance Taylor  <ian@airs.com>
4292
4293         PR target/22432
4294         * combine.c (apply_distributive_law): Don't distribute across a
4295         vector mode subreg.
4296
4297 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4298
4299         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4300         config/ms1/ms1.h, config/rs6000/predicates.md,
4301         config/s390/s390.c, params.def, postreload-gcse.c,
4302         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4303         tree-vrp.c, tree.c: Fix comment typos.
4304         * doc/invoke.texi: Fix typos.
4305
4306 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4307
4308         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4309         for testing whether the data_dependence_relation contains distance
4310         vectors.  Iterate over all distance vectors of the ddr.
4311         * lambda.h: Define a vec of lambda_vector pointers.
4312         * tree-data-ref.c (dump_data_dependence_relation,
4313         dump_data_dependence_direction): Iterate over all distance and
4314         direction vectors of the ddr.
4315         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4316         DDR_DIST_VECTS.
4317         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4318         of distance/direction vectors instead of a single one.
4319         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4320         lambda_vectors with a vec of lambda_vectors.
4321         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4322         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4323         DDR_NUM_DIST_VECTS): New.
4324         * tree-loop-linear.c (gather_interchange_stats): Test for the
4325         existence of distance vectors only after having checked that there
4326         is a dependence.  Iterate over all distance vectors of the ddr.
4327         (linear_transform_loops): Use dump_data_dependence_relation.
4328         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4329         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4330         distance vectors of the ddr.
4331
4332 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4333
4334         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4335         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4336         IS_INTHANDLER; all callers changed.
4337         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4338         account.
4339         (do_link, do_unlink): New argument ALL; all callers changed.
4340         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4341         If function isn't leaf, save and restore all registers.
4342         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4343         exception handler.
4344
4345 2005-11-05  Jan Hubicka  <jh@suse.cz>
4346
4347         PR rtl-optimization/23490
4348         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4349         max-flow-memory-location): Document.
4350         * flow.c: Include params.h
4351         (MAX_MEM_SET_LIST_LEN): Kill.
4352         (add_to_mem_set_list): Use new param.
4353         * cse.c (cse_basic_block): Replace 1000 by new param.
4354         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4355         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4356         * predict.c (predict_loops): Use new param.
4357         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4358
4359         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4360         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4361         Do not hold memory returned by cgraph_node_name across other call.
4362
4363 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4364
4365         PR target/23424
4366         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4367         Disable.
4368
4369 2005-11-04  Jeff Law  <law@redhat.com>
4370
4371         PR/21883
4372         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4373         * tree-ssa-dom.c: Include params.h.
4374         (thread_across_edge): If there are too many statements in the
4375         target block, then do not thread through it.
4376         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4377         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4378
4379 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4380
4381         PR 24627
4382         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4383         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4384
4385 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4386
4387         PR/18595
4388         * tree-scalar-evolution.c (instantiate_parameters_1,
4389         instantiate_parameters, resolve_mixers): Compute the size of an
4390         expression to be instantiated and give up the instantiation if the
4391         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4392
4393 2005-11-04  Richard Guenther  <rguenther@suse.de>
4394
4395         * tree-flow.h (ref_contains_indirect_ref): Rename to
4396         array_ref_contains_indirect_ref.
4397         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4398         (array_ref_contains_indirect_ref): Make comment match the code
4399         and vice-versa.
4400         (ref_contains_array_ref): Likewise.
4401         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4402         ref_contains_indirect_ref.
4403         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4404         Rename calls to ref_contains_indirect_ref.
4405
4406 2005-11-04 Paul Brook  <paul@codesourcery.com>
4407
4408         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4409         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4410         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4411         * config/arm/arm.md: Use match_operand in peephole input templates
4412         and match_dup in peephole output templates.
4413
4414 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4415
4416         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4417         __aeabi_uidiv.
4418
4419 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4420             Daniel Jacobowitz  <dan@codesourcery.com>
4421
4422         * longlong.h (add_ssaaaa): Clobber condition code register
4423         in ARM version.
4424         (sub_ddmmss): Likewise.
4425         (umul_ppmm): Likewise.
4426
4427 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4428             Paul Brook  <paul@codesourcery.com>
4429             Phil Blundell  <pb@reciva.com>
4430
4431         * configure.ac: Add test for ARM TLS support.
4432         * configure: Regenerated.
4433         * config/arm/arm-protos.h (legitimize_tls_address)
4434         (arm_tls_referenced_p, tls_mentioned_p)
4435         (arm_output_addr_const_extra): New prototypes.
4436         (thumb_legitimize_pic_address): Delete.
4437         * config/arm/arm.c: Include "gt-arm.h".
4438         (enum tls_reloc): New.
4439         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4440         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4441         (arm_call_tls_get_addr, legitimize_tls_address)
4442         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4443         (arm_init_tls_builtins, arm_emit_tls_decoration)
4444         (arm_output_addr_const_extra): New functions.
4445         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4446         (TARGET_HAVE_TLS): Define.
4447         (target_thread_pointer): New.
4448         (arm_override_options): Handle -mtp=.
4449         (legitimize_pic_address): Ignore UNSPECs.
4450         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4451         relative symbols.
4452         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4453         (tls_get_addr_libfunc): New variable.
4454         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4455         (arm_init_builtins): Call arm_init_tls_builtins.
4456         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4457         (arm_encode_section_info): Call default_encode_section_info.
4458         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4459         (enum arm_tp_type): New.
4460         (target_thread_pointer): Add declaration.
4461         (LEGITIMATE_CONSTANT_P): Handle TLS.
4462         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4463         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4464         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4465         * config/arm/arm.md: Add UNSPEC_TLS.
4466         (movsi): Handle TLS.
4467         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4468         non-PIC.
4469         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4470         (load_tp_hard, load_tp_soft): New insns.
4471         * arm.opt: Add -mtp=.
4472         * doc/invoke.texi (ARM Options): Document -mtp.
4473
4474 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4475
4476         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4477         * config/arm/libunwind.S: Include "lib1funcs.asm".
4478         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4479         (LIB2ADDEH): Add libunwind.S.
4480         (LIB2ADDEHDEP): Add lib1funcs.asm.
4481         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4482
4483 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4484
4485         PR fortran/18452
4486         * gcc/c.opt: Add a -lang-fortran option.
4487         * gcc/c-opts.c: Add a lang_fortran flag.
4488         (c_common_init_options): Handling the -lang-fortran option.
4489         (c_common_handle_option): Add a case for Fortran options in
4490         preprocessing. Remove cases for -ffixed-form and
4491         -ffixed-line-length. Add a case for -lang-fortran.
4492
4493 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4494
4495         * config/rs6000/rs6000.c: Include params.h
4496         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4497         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4498         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4499         (UNSPEC_VPKUWSS): Delete.
4500         (altivec_vpkuhss): Delete.
4501         (altivec_vpkuwss): Delete.
4502         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4503         final condition.
4504         (neg_eq0<mode>): Remove final condition.
4505         (neg_eq<mode>): Remove condition and split-condition.
4506
4507 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4508
4509         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4510         Use associated print macros.
4511
4512 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4513
4514         PR c++/17964
4515         * diagnostic.c (diagnostic_set_info_translated): New function.
4516         (diagnostic_set_info): Use it.  Add comment.
4517         * diagnostic.h (diagnostic_set_info_translated): Declare.
4518
4519 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4520
4521         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4522         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4523         reference only if 'public' is true.
4524         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4525         emit the .hidden directive only if the indirect reference is public.
4526         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4527         Pass it to dw2_force_const_mem.
4528         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4529         * dwarf2out.c (output_cfi): Adjust calls to above function.
4530         (output_call_frame_info): Likewise.
4531         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4532         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4533
4534 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4535
4536         PR tree-optimization/24483
4537         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4538         field to elts if possible.
4539
4540 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4541
4542         PR middle-end/23155
4543         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4544         CONSTRUCTOR.
4545
4546 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4547
4548         Fix PR tree-optimization/24351
4549
4550         * tree-ssa-structalias.c (struct variable_info): Add
4551         collapsed_into.
4552         (get_varinfo_fc): New function to follow collapsing.
4553         (new_var_info): Set collapsed_to to NULL.
4554         (dump_constraint): Follow collapsing.
4555         (build_constraint_graph): Handle collapsing.
4556         (do_simple_structure_copy): Return false if something bad
4557         happened.
4558         (collapse_rest_of_var): New function.
4559         (do_structure_copy): Collapse if do_simple_structure_copy returns
4560         false.
4561
4562 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4563
4564         PR middle-end/24589
4565         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4566         expressions to a statement list instead of gimplifying them.
4567
4568 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4569
4570         PR rtl-optimization/23585
4571         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4572         that can't trap plus a constant integer, if the mode has zero size.
4573
4574 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4575
4576         PR target/24620
4577         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4578         as operand 2.
4579         ("*insv<mode>_reg_extimm"): Likewise.
4580
4581 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4582
4583         PR c/24329
4584         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4585         c_common_type_for_mode returns an unnamed type.
4586
4587 2005-11-02  Richard Henderson  <rth@redhat.com>
4588
4589         PR target/9350
4590         PR target/24374
4591         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4592         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4593         * function.c (assign_parms): Use calls.internal_arg_pointer.
4594         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4595         code.
4596         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4597         (TARGET_CALLS): Add it.
4598         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4599         * targhooks.c (default_internal_arg_pointer): New.
4600         * targhooks.h (default_internal_arg_pointer): Declare.
4601         * tree.h (dwarf2out_reg_save_reg): Declare.
4602         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4603         * config/i386/i386.c (dbx_register_map): Add return column.
4604         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4605         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4606         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4607         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4608         (ix86_save_reg): Save force_align_arg_pointer.
4609         (ix86_emit_save_regs): Make regno unsigned.
4610         (ix86_emit_save_regs_using_mov): Likewise.
4611         (ix86_expand_prologue): Handle force_align_arg_pointer.
4612         (ix86_expand_epilogue): Likewise.
4613         * config/i386/i386.h: (dbx_register_map): Update.
4614         (dbx64_register_map, svr4_dbx_register_map): Update.
4615         (struct machine_function): Add force_align_arg_pointer.
4616         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4617         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4618         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4619
4620 2005-11-02  Jan Hubicka  <jh@suse.cz>
4621
4622         PR target/23303
4623         * i386.md: Add peep2 for simplyfing array accesses.
4624
4625 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4626
4627         PR target/24615
4628         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4629         * config/s390/s390.c (s390_decompose_shift_count): New function.
4630         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4631         (print_shift_count_operand): Use s390_decompose_shift_count.
4632         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4633         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4634
4635 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4636
4637         PR target/24600
4638         * loop.c (loop_givs_rescan): Use force_operand to expand
4639         complex GIVs.
4640
4641 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4642
4643         PR 22429
4644         * fold-const.c (build_range_check): Use unsigned when signed
4645         overflow is undefined also.  If etype is subtype, make sure that
4646         the subtraction is in the supertype.
4647
4648 2005-11-02  Richard Henderson  <rth@redhat.com>
4649
4650         PR target/24178
4651         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4652         by MEM_ALIGN.
4653
4654 2005-11-01  Richard Henderson  <rth@redhat.com>
4655
4656         PR 21518
4657         * loop.c (scan_loop): Do not propagate computations to a hard
4658         register destination with SMALL_REGISTER_CLASSES.
4659
4660 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4661
4662         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4663         costs for MULT inside PLUS or MINUS.
4664
4665 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4666
4667         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4668         (TRAMPOLINE_SIZE): Round up to 60.
4669         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4670
4671 2005-10-31  James E. Wilson  <wilson@specifix.com>
4672
4673         PR debug/24444
4674         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4675         ifdef.  Put ifdefs around call in gen_subprogram_die.
4676         (compute_frame_pointer_to_cfa_displacement): Likewise.
4677         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4678         not defined.
4679
4680         PR rtl-optimization/17356
4681         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4682         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4683
4684 2005-10-31  Jan Hubicka  <jh@suse.cz>
4685
4686         PR middle-end/24093
4687         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4688
4689         PR target/20928
4690         * i386.c (legitimize_pic_address): Deal with large immediates.
4691
4692         PR profile/20815
4693         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4694         from symbol names while computing checkup.
4695
4696         PR profile/24487
4697         * predict.c (predict_loops): Do not estimate more than
4698         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4699         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4700
4701 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4702
4703         PR tree-optimization/19097
4704         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4705
4706 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4707
4708         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4709
4710 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4711
4712         PR middle-end/23492
4713         * tree-inline.c (setup_one_parameter): If the init_stmt
4714         is NULL, don't insert the statement.
4715
4716 2005-10-30  Jan Hubicka  <jh@suse.cz>
4717
4718         PR tree-optimization/24172
4719         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4720
4721 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4722
4723         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4724         constants for hosts with long != 32 bits.
4725
4726 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4727
4728         PR middle-end/24093
4729         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4730
4731 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4732
4733         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4734         (TARGET_MS1_16_002): New.
4735         (TARGET_MS1_16_003): New.
4736
4737         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4738         ("*decrement_and_branch_until_zero_no_clobber"): New.
4739         Add corresponding splitter for decrement_and_branch_until_zero
4740         instruction.
4741         Key all decrement_and_branch_until_zero patterns off of
4742         TARGET_MS1_16_003.
4743
4744 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4745
4746         PR middle-end/24362
4747         * tree-complex.c (extract_component): Treat RESULT_DECL
4748         like the rest of the decls.
4749
4750 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4751
4752         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4753         indirect call to _mcount if the function needs a static chain.
4754
4755 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4756             Caroline Tice  <ctice@apple.com>
4757
4758         PR rtl-optimization/24460
4759         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4760         (dwarf2out_switch_text_section): Set it to true instead of
4761         incrementing separate_line_info_table_in_use.
4762         (output_loc_list): Additionally test have_switched_text_sections.
4763         (output_ranges): Likewise.
4764         (dwarf2out_finish): Likewise.
4765         * varasm.c (assemble_start_function): Do not call
4766         insert_section_boundary_note.
4767         (assemble_end_function): If flag_reorder_blocks_and_partition,
4768         switch to the function's section before emitting the .size directive.
4769         * bb-reorder.c (insert_section_boundary_note): Staticify.
4770         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4771         * output.h (insert_section_boundary_note): Delete.
4772
4773 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4774
4775         PR c/23103
4776         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4777         instead of pointer equality when comparing types.
4778
4779 2005-10-24  James E. Wilson  <wilson@specifix.com>
4780
4781         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4782         add_dependence_list_and_free calls.
4783
4784 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4785
4786         * contrib.texi: Add the names of the LLNL folks who donated
4787         Cray pointer support for gfortran.
4788
4789 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4790
4791         PR tree-optimization/24225
4792         * profile.c (branch_prob): Look from end to start through a
4793         basic block when looking for a locus.
4794
4795 2005-10-24  Richard Henderson  <rth@redhat.com>
4796
4797         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4798         parallel.
4799         (hppa_expand_prologue): Likewise.
4800
4801 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4802
4803         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4804         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4805         * pa.h (NO_PROFILE_COUNTERS): Define.
4806         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4807         (funcdef_nos): New vector to hold label numbers of deferred profile
4808         counters.
4809         (output_deferred_profile_counters): New function.
4810         (hppa_profile_hook): Push label number onto funcdef_nos.
4811         (pa_hpux_file_end): Call output_deferred_profile_counters if
4812         NO_DEFERRED_PROFILE_COUNTERS is false.
4813
4814         * pa-protos.h (get_deferred_plabel): New prototype.
4815         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4816         Make global.
4817         (output_call): Adjust calls.
4818
4819 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4820
4821         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4822         peculiarity of GOT/TOC section usage.
4823
4824 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4825
4826         PR objc/24435
4827          * c-common.c (constant_string_class_name): Add documentation.
4828
4829 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4830
4831         PR target/23832
4832         * recog.c (peephole2_optimize): Increment peep2_current_count
4833         only when the slot is empty.
4834
4835 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4836
4837         PR ada/23957
4838         * except.c (output_function_exception_table): Call
4839         assemble_external_libcall if we need a personality function.
4840
4841 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4842
4843         PR rtl-optimization/24460
4844         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4845         set the basic block for barriers.
4846
4847 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4848
4849         * var-tracking.c (vt_initialize): Initialize post.
4850
4851 2005-10-21  Devang Patel  <dpatel@apple.com>
4852
4853         PR/24220
4854         * c-common.c (vector_types_convertible_p): Check vector element type.
4855
4856 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4857
4858         * config/sh/sh.c (prepare_move_operands): Handle the address
4859         constant which is a tls symbolic address plus a constant.
4860
4861 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4862
4863         PR driver/24473
4864         * gcc.c (main): Use the correct counter for erroring out
4865         about mulitple files.
4866
4867 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4868
4869         PR target/24465
4870         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4871         use r2 for 64-bit tls .got access.
4872
4873 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4874
4875         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4876         TRUTH_OR_EXPR.
4877
4878 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4879
4880         PR tree-optimization/24307
4881         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4882
4883 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4884
4885         PR middle-end/24295
4886         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4887         alias targets.
4888         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4889         is ready, stop marking functions, but still mark variables.
4890
4891 2005-10-20  Richard Guenther  <rguenther@suse.de>
4892
4893         PR c++/24439
4894         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4895         void type operands.
4896
4897 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4898
4899         PR rtl-optimization/23585
4900         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4901         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4902         (may_trap_p_1): New predicate extracted from...
4903         (may_trap_p): ... here.  Invoke may_trap_p_1.
4904         (may_trap_or_fault_p): New predicate.
4905         * rtl.h (may_trap_or_fault_p): Declare it.
4906         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4907         instead of may_trap_p.
4908         (steal_delay_list_from_fallthrough): Likewise.
4909         (fill_simple_delay_slots): Likewise.
4910         (fill_slots_from_thread): Likewise.
4911         * function.c (pad_to_arg_alignment): Rework comment about
4912         SPARC_STACK_BOUNDARY_HACK.
4913         * config/sparc/sparc.h: Likewise.
4914
4915 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4916
4917         * config/s390/s390.c (s390_expand_insv): New.
4918         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4919         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4920         ("icm_hi"): Remove mode attribute.
4921         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4922         Adjust all uses.
4923         ("*extracthi", "*extractqi"): Remove.
4924         (extv<mode>", "*extzv<mode>"): New.
4925         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4926         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4927
4928 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4929
4930         * cfgexpand.c (discover_nonconstant_array_refs_r,
4931         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4932         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4933         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4934         discover_nonconstant_array_refs.
4935
4936 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4937
4938         PR c/23228
4939         * c-decl.c (pop_scope): Don't warn about an unused variable
4940         if it is marked with TREE_NO_WARNING.
4941         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4942         somenow mismatch and olddecl is to be replaced.
4943
4944 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4945
4946         PR middle-end/23199
4947         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4948         whether registers live on the edge can be saved/restored.
4949
4950 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4951
4952         * config/sh/sh.c (fixup_mova): Skip notes.
4953
4954 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4955
4956         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4957         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4958         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4959         (s390_initial_elimination_offset): Likewise.
4960         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4961         register on TARGET_ZARCH targets.
4962         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4963         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4964         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4965         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4966
4967 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4968
4969         * config/s390/s390.md: Comment describing output modifiers updated.
4970         * config/s390/s390.c (print_operand): Likewise.
4971
4972 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4973
4974         * config/s390/s390.c (override_options): Added check for -mstack-size
4975         64k limitation.
4976         * doc/invoke.texi: Mention that limit in the documenation.
4977
4978 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4979
4980         PR #19672
4981         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4982
4983 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4984
4985         Fix PR tree-optimization/24231
4986
4987         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4988         (compute_avail): Ditto.
4989
4990 2005-10-18  Richard Henderson  <rth@redhat.com>
4991
4992         PR target/24428
4993         * config/i386/i386.c (legitimate_constant_p): Check
4994         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4995         if LABEL_REF.
4996         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4997         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4998         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4999         directly.
5000         (print_operand_address): Likewise.
5001         * config/i386/predicates.md (x86_64_immediate_operand): Test
5002         SYMBOL_REF_TLS_MODEL properly inside CONST.
5003         (x86_64_zext_immediate_operand): Likewise.
5004         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5005         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5006         * config/i386/i386-protos.h: Remove predicates.md entries.
5007
5008 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
5009
5010         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5011         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5012
5013 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
5014             Ian Lance Taylor <ian@airs.com>
5015
5016         PR middle-end/23522
5017         * fold-const.c (fold_widened_comparison): Do not allow range based
5018         constant folding when right operand cannot be unwidened.
5019
5020 2005-10-17  Richard Henderson  <rth@redhat.com>
5021
5022         * builtins.c (expand_builtin_synchronize): Build a new-style asm
5023         with a memory clobber.
5024
5025 2005-10-17  James E Wilson  <wilson@specifix.com>
5026
5027         PR rtl-optimization/17356
5028         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5029         checking for EDGE_EH.
5030
5031 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
5032
5033         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5034         the slot on an even boundary for any type with 16-byte alignment.
5035
5036 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
5037
5038         PR target/23424
5039         * md.texi (Modifiers) <%>: Clarify that % doesn't work
5040         after register allocation.
5041
5042 2005-10-17  DJ Delorie  <dj@redhat.com>
5043
5044         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5045         as frame related.
5046
5047 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
5048
5049         PR c++/22551
5050         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5051         overflow flags.
5052
5053 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
5054
5055         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5056         to 2 if it's already non-zero.
5057         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5058         is set and warn about it if flag_schedule_insns is 1.
5059
5060 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
5061
5062         * config/crx/crx.md: Compare-and-branch instructions need to
5063         invalidate CC.
5064
5065 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
5066
5067         PR target/24315
5068         * config/i386/i386.md (*pushdi2_rex64 splitter)
5069         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5070         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5071         flow2 pass only when (optimize > 0 && flag_peephole2).
5072
5073 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
5074
5075         PR driver/22544
5076         * gcc.c (have_c): New static variable.
5077         (have_o): Likewise.
5078         (process_command): Remove declation of have_c.
5079         Set have_o to 1 when handling -o.
5080         (main): Add a fatel error if there are multiple
5081         files specified and -o and -c/-S is passed witout
5082         -combine or multiple languages.
5083
5084 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
5085
5086         Fix PR tree-optimization/22444
5087         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5088         Assert that we don't hit something with subvars.
5089         (setup_pointers_and_addressables): Don't add things with subvars,
5090         because we'll already process the subvars for aliasing purposes.
5091
5092 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
5093
5094         PR target/23424
5095         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5096         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5097         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5098         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5099         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5100         swapped, alternatives for the R constraint.
5101
5102         PR middle-end/24341
5103         * builtins.c (get_builtin_sync_mode): Make unlimited
5104         mode_for_size request.
5105
5106 2005-10-15  Richard Henderson  <rth@redhat.com>
5107
5108         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5109         (gimplify_expr): ... here.
5110         (gimplify_compound_lval): Use it in initial scan loop.  Allow
5111         fb_lvalue in base expression.
5112
5113 2005-10-15  Richard Henderson  <rth@redhat.com>
5114
5115         PR 23714
5116         * builtins.c (expand_builtin_trap): Export.
5117         * expr.h (expand_builtin_trap): Declare.
5118         * expr.c (expand_assignment): Emit a trap for integral offsets
5119         from registers that weren't reduced to bitpos.
5120
5121         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5122         (mark_array_ref_addressable): Remove.
5123         * tree-flow.h (mark_array_ref_addressable): Remove.
5124         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5125
5126 2005-10-15  James E Wilson  <wilson@specifix.com>
5127
5128         PR target/24232
5129         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
5130         (add_dependence_list_and_free): Likewise.
5131         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5132         call.
5133
5134 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
5135
5136         PR 23141
5137         PR 23142
5138         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5139         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5140         anti-range.
5141         (vrp_visit_phi_node): Only prevent infinite iterations when
5142         the previous result and the new result are both VR_RANGEs.
5143
5144 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
5145
5146         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5147         function comment.
5148
5149 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5150
5151         PR c/23439
5152         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5153         to initialize loc.
5154
5155 2005-10-14  Per Bothner  <per@bothner.com>
5156
5157         PR preprocessor/21250
5158         * c-ppoutput.c (print_line): Print internal line 0 as 1.
5159
5160 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
5161
5162         PR c++/22551
5163         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5164         overflow flags.  Refactor some conditionals.
5165
5166 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
5167
5168         PR tree-opt/21304
5169         * tree-dfa.c (add_referenced_var): Only look at decls which
5170         have TREE_CONSTANT or TREE_READONLY set instead of if
5171         !TREE_PUBLIC or !TREE_CONSTANT.
5172
5173 2005-10-13  James E Wilson  <wilson@specifix.com>
5174
5175         * doc/invoke.texi: For -x, add f95-cpp-input.
5176         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5177
5178 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5179
5180         PR tree-optimization/24262
5181         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5182         in loop all the time.
5183
5184 2005-10-12  Richard Henderson  <rth@redhat.com>
5185
5186         PR c/24255
5187         * tree.h (DECL_TRANSPARENT_UNION): Remove.
5188         * function.c (assign_parm_find_data_types): Don't support it.
5189         * print-tree.c (print_node): Likewise.
5190         * c-common.c (handle_transparent_union_attribute): Likewise.
5191         Use build_duplicate_type.
5192         * tree-inline.c (remap_type_1): Split out of remap_type;
5193         properly remap aggregate fields.
5194         (build_duplicate_type): New.
5195         * doc/extend.texi (Variable Attributes): Remove documentation
5196         for transparent_union.
5197
5198 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5199
5200         PR target/24284
5201         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5202         (gen_stack_pointer_dec): Likewise.
5203
5204 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
5205
5206         PR middle-end/21275
5207         PR middle-end/21766
5208         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5209         target hook.
5210         (struct cxx): Add adjust_class_at_definition target hook.
5211         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5212         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5213         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5214         hook_void_tree. Add to TARGET_CXX.
5215         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5216         dllimport_flag.
5217         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5218         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5219         instead of attribute. Check for dllexport override.  Warn if
5220         inconsistent dll linkage. Don't lose old dllimport if decl has
5221         had address referenced.   Tweak lookup of dllimport atribute.
5222         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5223         for target specific rules.  Don't add dllimport attribute if
5224         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
5225         dllimport attribute.
5226         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5227         * varasm.c (initializer_constant_valid_p): Replace
5228         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5229
5230         PR target/21801
5231         PR target/23589
5232         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5233         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5234         (i[34567]86-*-mingw32*): Likewise.
5235
5236         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5237         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5238
5239         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5240         C++-specific code. Change return value to bool.
5241         (i386_pe_dllimport_p): Likewise.
5242         (associated_type): Simplify and make language-independent
5243         (i386_pe_encode_section_info): Replace override of ambiguous
5244         dllimport symbol refs with a gcc_assert.
5245         (i386_pe_valid_dllimport_attribute_p): Define.
5246         * config/i386/winnt-cxx.c: New file. Define C++ versions of
5247         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5248         i386_pe_adjust_class_at_definition.
5249         * config/i386/winnt-stubs.c: New file. Define stub versions of
5250         lang-specific functions.
5251         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5252         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5253         i386_pe_adjust_class_at_definition.
5254         (i386_pe_valid_dllimport_attribute_p): Declare.
5255         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5256         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5257         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5258
5259         PR target/19704
5260         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5261         dllimport attribute with test of DECL_DLLIMPORT_P.
5262
5263 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
5264
5265         * combine.c (make_extraction): Correct offset computation.
5266
5267 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5268
5269         * config/cris/t-linux (LIMITS_H_TEST): Define.
5270
5271 2005-10-12  Richard Henderson  <rth@redhat.com>
5272
5273         PR rtl-opt/23324
5274         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5275
5276 2005-10-12  Richard Guenther  <rguenther@suse.de>
5277
5278         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5279
5280 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5281
5282         PR c++/19964
5283         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5284         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5285         type.
5286
5287 2005-10-12  Richard Guenther  <rguenther@suse.de>
5288
5289         PR c++/23799
5290         * varasm.c (output_constant): Correct typo from previous
5291         patch by DJ.
5292
5293 2005-10-11  Ian Lance Taylor  <ian@airs.com>
5294
5295         PR rtl-optimization/13931
5296         * combine.c: Revert patch of 2003-05-14, and:
5297         (try_combine): Only set elim_i1 and elim_i2 if the destination is
5298         completely killed in the appropriate insn.
5299         (distribute_notes): Don't skip multiple hard register test for
5300         elim_i1 and elim_i2.
5301
5302 2005-10-11  Richard Henderson  <rth@redhat.com>
5303
5304         PR c/24255
5305         * c-typeck.c (convert_for_assignment): Use build_constructor_single
5306         to initialize a transparent union instead of a nop_expr.
5307
5308 2005-10-11  Richard Henderson  <rth@redhat.com>
5309
5310         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5311         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5312         (tree_ssa_dce_loop): Call scev_reset.
5313
5314         PR tree-opt/24300
5315         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5316         * tree-ssa-dce.c: Include cfgloop.h.
5317         (tree_ssa_dce_loop, pass_dce_loop): New.
5318         * tree-pass.h (pass_dce_loop): Declare it.
5319         * passes.c (init_optimization_passes): Use it.
5320
5321 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5322
5323         PR middle-end/24263
5324         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5325         Only apply the optimization for rounding builtins if the inner
5326         cast is also an extension.
5327
5328 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5329
5330         PR tree-opt/23946
5331         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5332         mark_new_vars_to_rename instead of update_stmt.
5333
5334 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5335
5336         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5337
5338 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5339
5340         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5341         for setting MMX register to 0 rather than mmx.
5342
5343 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5344
5345         PR target/12098
5346         * configure.ac: Move gas check from mips specific case to common case.
5347         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5348         * configure: Regenerate
5349         * doc/install.texi: Update.
5350
5351 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5352
5353         PR target/24284
5354         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5355
5356 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5357
5358         * gcc.c (do_spec_1): Accept numeric characters in file name
5359         suffixes.
5360
5361 2005-10-10  Nick Clifton  <nickc@redhat.com>
5362
5363         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5364         describing the deleted arm_gen_rotated_half_load function.
5365
5366 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5367
5368         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5369         __fpscr_values.
5370
5371 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5372
5373         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5374         gnu_ld assignments.
5375         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5376         (EXTRA_MULTILIB_PARTS): Define.
5377         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5378         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5379         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5380         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5381         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5382         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5383
5384 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5385
5386         PR tree-optimization/24226
5387         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5388         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5389         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5390         Export.
5391
5392 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5393
5394         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5395
5396 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5397
5398         PR target/24136
5399         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5400         Rewrite for no need for the early clobber.
5401
5402 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5403
5404         Merge from csl-arm-branch:
5405         2005-09-07  Paul Brook  <paul@codesourcery.com>
5406         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5407         space to string.
5408
5409         2005-04-30  Paul Brook  <paul@codesourcery.com>
5410         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5411         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5412
5413         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5414         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5415         (arm_override_options): Use TARGET_AAPCS_BASED.
5416         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5417         (PTRDIFF_TYPE): Use int for AAPCS.
5418         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5419         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5420         (DEFAULT_SHORT_ENUMS): Delete.
5421         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5422
5423         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5424         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5425         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5426         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5427
5428         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5429         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5430
5431         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5432         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5433
5434         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5435         * config.gcc (arm*-*-linux-gnueabi): Add it.
5436         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5437         redefining it.
5438         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5439         * config/arm/linux-eabi.h: New file.
5440         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5441         (LINUX_TARET_LINK_SPEC): Likewise.
5442         (LINK_SPEC): Use it.
5443         * config/arm/t-linux-eabi: New file.
5444
5445 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5446
5447         PR other/22202
5448         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5449         spaces.
5450         (PARAM_SMS_DFA_HISTORY): Likewise.
5451
5452 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5453
5454         PR middle-end/23150
5455         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5456         (load_register_parameters): Call it.
5457         (check_sibcall_argument_overlap_1): Likewise.
5458         (store_one_arg): Likewise.
5459
5460 2005-10-07  James E. Wilson  <wilson@specifix.com>
5461
5462         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5463         DImode not VECINT24 for operand 2.
5464
5465         PR target/23644
5466         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5467         -mtune-arch.
5468
5469         PR target/24193
5470         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5471         fr_spill): Use destination_operand for operand 0.
5472
5473 2005-10-07  DJ Delorie  <dj@redhat.com>
5474
5475         * varasm.c (output_constant): Limit error to expanding
5476         conversions.
5477
5478 2005-10-07  Richard Guenther  <rguenther@suse.de>
5479
5480         PR middle-end/24227
5481         * fold-const.c (fold_binary): Fix operand types during folding
5482         of X op (A, Y).  Evaluation order of the side-effects of
5483         X and A are frontend-defined, so ensure we honour that even for
5484         tcc_comparison class operands; eased by removing duplicate code.
5485
5486 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5487
5488         * stor-layout.c (layout_type): Do not allow alignment of array
5489         elements to be greater than their size.
5490
5491 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5492
5493         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5494         host_xmake_file.
5495         (hppa*-*-linux*): Ditto.
5496         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5497         * config/host-hpux.c: New.
5498         * config/x-hpux: New.
5499         * config/pa/x-hpux: Remove.
5500         * config/pa/x-linux: Remove.
5501         * config/pa/pa-host.c: Remove.
5502
5503 2005-10-07  Jeff Law  <law@redhat.com>
5504
5505         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5506         determine whether or not to try and thread outgoing edges.
5507
5508 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5509
5510         * config/rs6000/rs6000.md (eqsi_power): New.
5511         (neg_eq0si): Add TARGET_POWER to final condition.
5512         (neg_eqsi): Same.
5513
5514 2005-10-06  Richard Henderson  <rth@redhat.com>
5515
5516         * config/rs6000/rs6000.c: Revert last change.
5517
5518 2005-10-06  Richard Henderson  <rth@redhat.com>
5519
5520         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5521         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5522
5523 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5524
5525         PR middle-end/22216
5526         PR middle-end/23651
5527         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5528         out return_label and naked_return_label.
5529
5530 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5531
5532         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5533         change.
5534
5535 2005-10-06  Richard Henderson  <rth@redhat.com>
5536
5537         PR tree-opt/22237
5538         * tree-inline.c (declare_return_variable): Handle modify_dest not
5539         being a DECL.
5540
5541 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5542
5543         Fix PR tree-optimization/22488
5544         * tree-ssa-structalias.c (check_for_overlaps): New function.
5545         (create_variable_info_for): Use it.
5546
5547 2005-10-06  Richard Henderson  <rth@redhat.com>
5548
5549         PR debug/24070
5550         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5551         (dwarf2out_start_source_file): Print it.
5552
5553 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5554
5555         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5556
5557 2005-10-06  Richard Henderson  <rth@redhat.com>
5558
5559         PR 23706
5560         * mode-switching.c (optimize_mode_switching): Clear transp bit
5561         for block with incomming abnormal edges.
5562
5563         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5564         (fpscr_set_from_mem): Use them.
5565         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5566         (fpscr postinc splitters): Rewrite as peephole2+split.
5567
5568 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5569
5570         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5571         (eq<mode>_compare): Same.
5572
5573 2005-10-06  Richard Guenther  <rguenther@suse.de>
5574
5575         PR tree-optimization/24238
5576         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5577
5578 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5579
5580         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5581         here.  Use AC_PATH_PROG for environment variables instead of
5582         test -x.
5583         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5584         objdump also.
5585         * configure: Regenerated.
5586
5587 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5588
5589         PR target/23783
5590         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5591         then force it into a register.
5592         (call_value): Likewise.
5593
5594 2005-10-06  Richard Henderson  <rth@redhat.com>
5595
5596         PR 24049
5597         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5598         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5599         under pass_vectorize.
5600
5601 2005-10-05  Devang Patel  <dpatel@apple.com>
5602
5603         PR Debug/23205
5604         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5605         handling constants. Check NAMESPACE_DECL context for constants.
5606
5607 2005-10-05  Eric Christopher  <echristo@apple.com>
5608
5609         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5610
5611 2005-10-05  Richard Henderson  <rth@redhat.com>
5612
5613         PR 23714
5614         * tree-cfg.c (mark_array_ref_addressable_1): New.
5615         (mark_array_ref_addressable): New.
5616         * tree-flow.h (mark_array_ref_addressable): Declare.
5617         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5618
5619 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5620
5621         PR middle-end/20606
5622         PR middle-end/24069
5623         * reload.c (subst_reloads): When adding a REG_LABEL to a
5624         jump instruction, also update JUMP_LABEL.
5625
5626 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5627
5628         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5629         * bb-reorder.c (copy_bb_p): Use it.
5630         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5631
5632 2005-10-05  Richard Henderson  <rth@redhat.com>
5633
5634         PR target/23602
5635         * toplev.c (process_options): Warn about unsupported combinations
5636         of unwind tables and omit-frame-pointer.
5637         * config/i386/i386.c (override_options): Similarly.  Enable
5638         accumulate-outgoing-args if not explicitly disabled.
5639
5640 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5641
5642         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5643         Handle big endian vs. small endian.
5644         (vec_initv2sf): Handle big endian vs. small endian.
5645         (*vec_extractv2sf_1): Ditto.
5646
5647 2005-10-05  Dale Johannesen  <dalej@apple.com>
5648
5649         * convert.c (convert_to_real):  Don't convert
5650         (float)floor(double d) to floorf((float)d).
5651
5652 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5653
5654         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5655
5656 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5657
5658         PR tree-optimization/18587
5659         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5660         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5661         build_vuses): Change to VEC type.
5662         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5663         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5664         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5665         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5666         (get_name_decl): New.  Return DECL_UID of base variable.
5667         (operand_build_cmp): New.  qsort comparison routine.
5668         (operand_build_sort_virtual): New.  Sort virtual build vector.
5669         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5670         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5671         (FINALIZE_BASE): Use get_name_decl.
5672         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5673         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5674         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5675         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5676         direct VEC_* manipulations.
5677         (build_ssa_operands): Call operand_build_sort_virtual.
5678         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5679         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5680         with direct VEC_* manipulations.
5681         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5682         with direct VEC manipulations.
5683
5684 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5685
5686         PR tree-optimization/21419
5687         PR tree-optimization/24146
5688         PR tree-optimization/24151
5689
5690         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5691         (build_asm_expr): Call it if outputs are read-only.
5692         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5693
5694 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5695             Paolo Bonzini  <bonzini@gnu.org>
5696
5697         PR target/23809
5698
5699         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5700         enable the instructions and not just the built-ins.
5701         * doc/invoke.texi (x86 Options): Likewise.
5702
5703 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5704
5705         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5706
5707         * doc/invoke.texi (Option Summary): Correct spelling
5708         of -mmacosx-version-min.
5709
5710 2005-10-04  Devang Patel  <dpatel@apple.com>
5711
5712         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5713         real types.
5714
5715 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5716
5717         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5718         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5719
5720 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5721
5722         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5723         ("TE","tg"): New mode attributes.
5724         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5725         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5726         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5727         dword_mode and one for GPRmode.
5728
5729 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5730
5731         PR preprocessor/13726
5732         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5733         any comments passed in.
5734
5735 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5736
5737         * tree.c (annotate_with_file_line): Fix typo.
5738
5739 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5740
5741         PR ada/19382
5742         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5743         type used to access data in the inlined length == 1 case, use
5744         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5745         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5746
5747 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5748
5749         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5750         TARGET_SSE3 and only for TARGET_80387.
5751         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5752         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5753         Do not depend on TARGET_80387.
5754
5755 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5756
5757         * tree.c (last_annotated_node): Change type to location_t*.
5758         (annotate_with_file_line): Reflect the change of
5759         last_annotated_node type.
5760
5761 2005-10-04  Richard Guenther  <rguenther@suse.de>
5762
5763         PR c/23576
5764         * c-decl.c (grokdeclarator): Don't write to fields
5765         of error_mark_node.
5766
5767 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5768
5769         PR middle-end/23125
5770         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5771         register variables.
5772         * varasm.c (make_decl_rtl): If a register variable does not
5773         have a set user assmbler name, error out.
5774         Decode the asmspec is now name+1 bypassing '*'.
5775
5776 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5777
5778         PR tree-optimization/23049
5779         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5780         of a COND_EXPR is folded before calling fold on the whole rhs of a
5781         conditional assignment.
5782         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5783         document that a COND_EXPR may appear there.
5784
5785 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5786
5787         PR 23445
5788         * tree-vrp.c (extract_range_from_assert): If the new numeric
5789         range created out of the assertion contradicts the existing
5790         numeric range of the ASSERT_EXPR variable, make the new range
5791         varying.
5792
5793 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5794
5795         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5796         from T_REGS to FP register class.
5797
5798 2005-10-03  Richard Henderson  <rth@redhat.com>
5799
5800         PR 24135
5801         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5802         before creating a new one.
5803
5804 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5805
5806         * config/rs6000/t-aix43 (LDFLAGS): New.
5807         * config/rs6000/t-aix52 (LDFLAGS): New.
5808
5809 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5810
5811         * gimplify.c (find_single_pointer_decl_1): New static function.
5812         (find_single_pointer_decl): New static function.
5813         (internal_get_tmp_var): For a formal variable, set restrict base
5814         information if appropriate.
5815         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5816         return it.
5817         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5818         (DECL_GET_RESTRICT_BASE): Define.
5819         (SET_DECL_RESTRICT_BASE): Define.
5820         (decl_restrict_base_lookup): Declare.
5821         (decl_restrict_base_insert): Declare.
5822         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5823         * tree.c (restrict_base_for_decl): New static variable.
5824         (init_ttree): Initialize restrict_base_for_decl.
5825         (copy_node_stat): Copy restrict base information.
5826         (decl_restrict_base_lookup): New function.
5827         (decl_restrict_base_insert): New function.
5828         (print_restrict_base_statistics): New static function.
5829         (dump_tree_statistics): Call print_restrict_base_statistics.
5830
5831 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5832
5833         PR 24142
5834         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5835         case of anti-ranges.
5836
5837 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5838
5839         PR c/18851
5840         * c-typeck.c (tagged_tu_seen): Rename to ...
5841         (tagged_tu_seen_cache): this and add val field.
5842         (comptypes): Move functional to comptypes_internal
5843         and free tagged_tu_seen.
5844         (comptypes_internal): New function and call comptypes_internal
5845         instead of comptypes. Speed up by sibcalling
5846         tagged_types_tu_compatible_p.
5847         (alloc_tagged_tu_seen): New function
5848         (free_all_tagged_tu_seen_up_to): New function.
5849         (tagged_types_tu_compatible_p): Return the val of the seen two
5850         types.
5851         Add that the two types are the same to tagged_tu_seen_base
5852         if they are and call comptypes_internal instead of comptypes.
5853         <case UNION_TYPE>: Speed up common type where the fields are
5854         in the same order.
5855         (function_types_compatible_p): Call comptypes_internal instead of
5856         comptypes.
5857         (type_lists_compatible_p): Likewise.
5858         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5859
5860 2005-10-02  Matthias Klose  <doko@debian.org>
5861
5862         * doc/invoke.texi: Fix typo and speling error.
5863
5864 2005-10-01  Richard Henderson  <rth@redhat.com>
5865
5866         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5867
5868 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5869
5870         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5871         using --start-group and --end-group.
5872
5873 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5874
5875         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5876         FIXME note regarding quirky semantics.
5877
5878 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5879
5880         PR 24141
5881         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5882         non-null range as a last resort.
5883
5884 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5885             Diego Novillo  <dnovillo@redhat.com>
5886
5887         PR 23604
5888         * tree-vrp.c (extract_range_from_assert): For !=
5889         assertions, only build an anti-range if LIMIT is a
5890         single-valued range.
5891
5892 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5893
5894         * arm.md (movqi): On thumb when optimizing, handle loading from
5895         memory by describing this as taking a subreg of a zero-extended load
5896         into an SImode register.
5897         (movhi): Likewise.
5898
5899 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5900
5901         * reload1.c (merge_assigned_reloads): Do not change any
5902         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5903
5904 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5905
5906         * Makefile.in (LIPO_FOR_TARGET): Define.
5907         (STRIP_FOR_TARGET): Define.
5908
5909         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5910         before creating new ones.  Do symlinks before creating the actual
5911         targets.
5912
5913         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5914         to work out which multilibs are actually being built.
5915
5916 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5917
5918         * tree-vect-transform.c, config/ms1/ms1.md,
5919         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5920         Follow spelling conventions.
5921         * doc/invoke.texi, doc/md.texi: Fix typos.
5922
5923 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5924
5925         PR tree-optimization/21430
5926         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5927         use operands, and set stmt pointer if need be.
5928         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5929         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5930         present.
5931
5932 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5933
5934         PR middle-end/24053
5935         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5936
5937 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5938
5939         * optabs.c (expand_binop): Initialize first_pass_p.
5940
5941 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5942
5943         PR middle-end/24109
5944         * c-decl.c (c_write_global_declarations_1): If any
5945         wrapup_global_declaration_2 call returned true, restart the loop.
5946
5947 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5948
5949         Fix PR tree-optimization/24117
5950         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5951         before considering whether to use anyoffset.
5952
5953 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5954
5955         Revert this patch:
5956
5957         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5958
5959         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5960         to order operands.
5961         (swap_commutative_operands_with_target): New.
5962
5963 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5964
5965         PR c/21419
5966         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5967         read-only.
5968
5969 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5970
5971         PR tree-optimization/23911
5972         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5973         and IMAGPART_EXPR too.
5974
5975 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5976
5977         PR 17886
5978         * expmed.c (expand_shift): Move logic to reverse rotation
5979         direction when  rotating by constants ...
5980         * optabs.c (expand_binop): ... here.
5981         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5982         (ix86_rotrdi3): New pattern.
5983         (rotldi3): Handle 32-bit mode.
5984         (ix86_rotldi3): New pattern.
5985
5986 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5987
5988         PR target/24102
5989         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5990         check for numbers that need no bit twiddle.
5991
5992 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5993
5994         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5995         multilib to be built.
5996
5997         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5998         (stage1-start): Delete old libgcc and libunwind before moving
5999         anything into the stage directory.
6000         (stage2-start): Likewise.
6001         (stage3-start): Likewise.
6002         (stage4-start): Likewise.
6003         (stageprofile-start): Likewise.
6004         (stagefeedback-start): Likewise.
6005         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6006         header in tm_file and CPU-specific t-darwin in tmake_file.
6007         (i[34567]86-*-darwin*): Don't change tm_file.
6008         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6009         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6010         shared library stub for target OS version.
6011         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6012         (SHLIB_LINK): Don't make SHLIB_SOLINK.
6013         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6014         (libgcc_s.%.dylib): New.
6015         (LIBGCC): Define.
6016         (install-darwin-libgcc-stubs): New.
6017         (INSTALL_LIBGCC): New append.
6018         * config/i386/darwin-libgcc.10.4.ver: New.
6019         * config/i386/darwin-libgcc.10.5.ver: New.
6020         * config/i386/t-darwin: New.
6021         * config/rs6000/darwin-libgcc.10.4.ver: New.
6022         * config/rs6000/darwin-libgcc.10.5.ver: New.
6023         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6024         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6025
6026 2005-09-28  Paul Brook  <paul@codesourcery.com>
6027
6028         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6029         denormals.
6030
6031 2005-09-28  Richard Guenther  <rguenther@suse.de>
6032
6033         PR tree-optimization/23853
6034         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6035         host_integerp to verify misalignment value.
6036
6037 2005-09-28  Richard Henderson  <rth@redhat.com>
6038
6039         * builtins.c (get_builtin_sync_mode): New.
6040         (expand_builtin_sync_operation): Pass in mode argument.
6041         (expand_builtin_compare_and_swap): Likewise.
6042         (expand_builtin_lock_test_and_set): Likewise.
6043         (expand_builtin_lock_release): Likewise.
6044         (expand_builtin): Update to match.
6045
6046 2005-09-28  Nick Clifton  <nickc@redhat.com>
6047
6048         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6049         formatting.  Add check to PLUS case to ensure that the offset is
6050         within an acceptable range.
6051
6052         * config/v850/v850.md (casesi): Disable the generation of the
6053         switch pattern as it is not being handled properly at the moment.
6054
6055         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6056         for when the high words are identical.
6057
6058 2005-09-27  Richard Henderson  <rth@redhat.com>
6059
6060         * pretty-print.c (pp_base_format): Fix typo for %>.
6061
6062 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
6063             Devang Patel  <dpatel@apple.com>
6064
6065         PR tree-optimization/23625
6066         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6067         LABEL_EXPR, assertion check.
6068
6069 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
6070
6071         * optabs.c (no_conflict_move_test): Check if a result of a
6072         to-be-moved insn would be clobbered by an originally
6073         preceding insn.
6074
6075 2005-09-27  Jeff Law  <law@redhat.com>
6076
6077         * passes.c (init_optimization_passes): Replace copy propagation
6078         passes immediately after DOM with phi-only copy propagation
6079         pases.  Add phi-only copy propagation pass after first DOM pass.
6080         * tree-pass.h (pass_phi_only_copy_prop): Declare.
6081         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6082         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6083         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
6084         to init_copy_prop.  Callers updated.
6085         (do_phi_only_copy_prop): New function.
6086         (pass_phi_only_copy_prop): New pass descriptor.
6087
6088 2005-09-27  Nick Clifton  <nickc@redhat.com>
6089
6090         * libgcc2.c (__popcount_tab): Remove redundant prototype.
6091
6092 2005-09-26  Jason Merrill  <jason@redhat.com>
6093
6094         PR c++/13764
6095         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6096
6097         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6098
6099 2005-09-26  James E Wilson  <wilson@specifix.com>
6100
6101         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6102         copyright.  Add gcc copyright plus libgcc exception.
6103         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
6104         copyright.
6105         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6106
6107 2005-09-26  Jeff Law  <law@redhat.com>
6108
6109         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6110         about when to iterate.
6111
6112 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
6113
6114         PR target/23847
6115         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6116         for __complex__ double in -mcpu=G5 mode.
6117
6118 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
6119
6120         PR tree-optimization/23942
6121         * Makefile.in (SCEV_H): Depends on PARAMS_H.
6122         * tree-scalar-evolution.c: Include params.h.
6123         (t_bool): New enum.
6124         (follow_ssa_edge, follow_ssa_edge_in_rhs,
6125         follow_ssa_edge_in_condition_phi_branch,
6126         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6127         Change return type to t_bool.  Use a parameter to limit the size of
6128         trees that are walked before stopping
6129         (analyze_evolution_in_loop): Initialize the limit to 0.
6130         (follow_ssa_edge): Give up by returning t_dont_know if the limit
6131         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6132
6133 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6134
6135         PR middle-end/23831
6136         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6137         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6138
6139 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
6140
6141         * combine.c (make_extraction): Check for valid use of subreg.
6142
6143 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6144
6145         PR target/24055
6146         * config/i386/i386.md ("*fistdi2_1"): New pattern.
6147         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6148         ("fist<mode>2_with_temp"): Use only register operands.
6149
6150 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
6151
6152         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6153         CALL_INSN_FUNCTION_USAGE.
6154
6155 2005-09-26  Richard Guenther  <rguenther@suse.de>
6156
6157         PR middle-end/15855
6158         * gcse.c: Include hashtab.h, define ldst entry hashtable.
6159         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6160         (ldst_entry): Use the hashtable instead of list-walking.
6161         (find_rtx_in_ldst): Likewise.
6162         (free_ldst_entry): Free the hashtable.
6163         (compute_ld_motion_mems): Create the hashtable.
6164         (trim_ld_motion_mems): Remove entry from hashtable if
6165         removing it from list.
6166         (compute_store_table): Likewise^2.
6167         (store_motion): Free hashtable in case we did not see
6168         any stores.
6169
6170 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
6171
6172         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6173         and arg1 if we are passing them to fold_build2.
6174
6175 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
6176
6177         PR 23828
6178         * config/i386/i386.c (ix86_function_regparm): Fix the test for
6179         a nested function.
6180
6181 2005-09-25  Richard Henderson  <rth@redhat.com>
6182
6183         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6184         SYMBOL_REF_TLS_MODEL to be correct.
6185
6186 2005-09-24  Richard Henderson  <rth@redhat.com>
6187
6188         * ipa-type-escape.c (discover_unique_type): Remove dead code at
6189         end of function.  Reindent.
6190
6191 2005-09-24  Ian Lance Taylor  <ian@airs.com>
6192
6193         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6194         NEGATE_EXPR/BIT_NOT_EXPR case.
6195
6196 2005-09-24  Richard Henderson  <rth@redhat.com>
6197
6198         * c-common.c (handle_mode_attribute): When not modifying in place,
6199         create subtypes for enumerations.
6200         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6201         * gimplify.c (create_tmp_from_val): Likewise.
6202
6203 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
6204
6205         * config/i386/i386.md (*tls_global_dynamic_64,
6206         *tls_local_dynamic_base_64): Add missing mode to call.
6207         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6208
6209 2005-09-24  Jan Hubicka  <jh@suse.cz>
6210
6211         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6212         (cgraph_clone_node): Likewise.
6213         * cgraph.h (cgraph_clone_edge): Update prototype.
6214         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6215         duplicated prototypes; add updating argument.
6216         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6217         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6218         updating profile.
6219         (cgraph_mark_inline_edge): Likewise.
6220         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6221         (cgraph_flatten_node): Likewise.
6222         (cgraph_decide_recursive_inlining): Likewise.
6223         (cgraph_decide_inlining_of_small_function): Likewise.
6224         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6225
6226 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6227             Pete Steinmetz <steinmtz@us.ibm.com>
6228
6229         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6230         (rldic.): Set type to "compare".
6231         (rldicr.): Same.
6232         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
6233         mfjmpr for MFCTR/MFLR.
6234         (movdf_hardfloat64): Same.
6235         (movdf_softfloat64): Same.  Correct order of store and move types.
6236         (movti_string): Set type to store_ux/load_ux.
6237         (load_multiple): Set type to load_ux.
6238         (store_multiple): Set type to store_ux.
6239         (movmemsi): Set type to store_ux.
6240         (output_cbranch direct_return): Set type to jmpreg.
6241         (stmw): Set type to store_ux.
6242         (lmw): Set type to load_ux.
6243         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6244         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6245         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6246         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6247         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6248         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6249         (rios1-fpstore): Increase latency to 3.
6250         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6251         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6252
6253 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6254             Andrew Pinski  <pinskia@physics.uc.edu>
6255
6256         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6257         operand2 constraint to "b".
6258         (sync_<fetchop_name>di_internal): Same.
6259         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6260         to "b".
6261         (sync_old_<fetchop_name>di_internal): Same.
6262         (sync_new_<fetchop_name>si_internal): Same.
6263         (sync_new_<fetchop_name>di_internal): Same.
6264
6265 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6266
6267         PR middle-end/23991
6268         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6269         case, define as macros.
6270
6271         PR rtl-optimization/23837
6272         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
6273         clobber / clobber match between dest and p->first.
6274
6275         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6276         (no_conflict_move_test): Update comments.
6277
6278 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6279
6280         * doc/install.texi: Update URL for Jacks.
6281         * doc/sourcebuild.texi: Likewise.
6282
6283 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
6284
6285         PR target/24007
6286         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6287         registers when choosing register preferences.
6288         (movdf_hardfloat64): Same.
6289
6290 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6291
6292         * expmed.c (expand_shift): Don't use the target of the rotate as
6293         target for the first expanded shift insn.
6294         * testsuite/gcc.dg/20050922-1.c: Testcase added.
6295
6296 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6297
6298         PR tree-optimization/22438
6299         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6300         preserved iv rhs rewriting specially.
6301
6302 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6303
6304         * tree-data-ref.c (analyze_array_indexes): Only estimate when
6305         estimate_only  is true.
6306         * tree-flow.h (ref_contains_indirect_ref): New prototype.
6307         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6308         tree-ssa-structalias.c
6309         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6310         ref_contains_indirect_ref.
6311         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6312
6313 2005-09-21  DJ Delorie  <dj@redhat.com>
6314
6315         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6316         MASK_PTR_A0D0.
6317         (mn10300_return_in_memory): Support variable size types also.
6318         (mn10300_pass_by_reference): Likewise.
6319         (mn10300_function_value): New.
6320         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6321         (FUNCTION_OUTGOING_VALUE): Likewise.
6322         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6323         * doc/invoke.texi: Document it.
6324
6325 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6326
6327         PR target/22585
6328         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6329         force integer op1 into register for XFmode compares.
6330
6331 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6332
6333         PR middle-end/23971
6334         * expmed.c (alg_code): Add alg_impossible.
6335         (alg_hash_entry): Add cost.
6336         (synth_mult): Record alg_impossible in the hash table if
6337         multiplication by a given integer is impossble within the
6338         limit.  Speed up using alg_impossible.
6339
6340 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6341
6342         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6343         argument.  Allow and set any offset if needs_anyoffset is passed
6344         in.
6345         (get_constraint_for): Add argument here too.
6346         Pass it down.
6347         (do_structure_copy): Pass NULL to get_constraint_for.
6348         (handle_ptr_arith): Ditto.
6349         (find_func_aliases): Ditto.
6350
6351 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6352
6353         PR rtl-optimization/23898
6354         * output.h (get_attr_min_length): Declare.
6355         * final.c (get_attr_length_1): New function, broken out of:
6356         (get_attr_length).
6357         (get_attr_min_length): New function.
6358         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6359         (duplicate_computed_gotos): Likewise.
6360         * genattr.c (insn_min_length): Generate declaration.
6361         * genattrtab.c (min_fn, min_attr_value): New functions.
6362         (make_length_attrs): Generate insn_min_length.
6363
6364 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6365
6366         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6367
6368 2005-09-20  Richard Henderson  <rth@redhat.com>
6369
6370         PR tree-optimization/24059
6371         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6372         EXPAND_STACK_PARM.
6373
6374 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6375
6376         * c.opt (fextended-identifiers): New.
6377         * c-opts.c (c_common_handle_option): Handle
6378         -fextended-identifiers.
6379         * doc/cpp.texi: Update documentation of extended identifiers.
6380         * doc/cppopts.texi (-fextended-identifiers): Document.
6381
6382 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6383
6384         PR tree-optimization/23929
6385         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6386         if expr is NULL.
6387
6388         PR tree-optimization/23818
6389         * tree-stdarg.c (execute_optimize_stdarg): Call
6390         calculate_dominance_info.
6391
6392 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6393
6394         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6395         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6396         (compute_overlap_steps_for_affine_1_2): Use
6397         get_number_of_iters_for_loop.
6398         (analyze_subscript_affine_affine): Check whether difference is
6399         zero first.
6400         Use get_number_of_iters_for_loop.
6401         Check whether overlap occurs outside of bounds.
6402         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6403
6404 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6405
6406         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6407         base register if possible.
6408
6409 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6410
6411         PR tree-optimization/18463
6412         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6413         converting it directly is not possible.
6414         (chrec_convert_aggressive): New function.
6415         * tree-chrec.h (chrec_convert_aggressive): Declare.
6416         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6417         Fold chrec conversions aggressively if asked to.
6418         (instantiate_parameters): Modified because of changes in
6419         instantiate_parameters_1.
6420
6421 2005-09-19  Richard Henderson  <rth@redhat.com>
6422
6423         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6424         (reduc_splus_v2df): New.
6425
6426 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6427
6428         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6429         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6430
6431 2005-09-19  Richard Henderson  <rth@redhat.com>
6432
6433         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6434         vcondu<SSEMODE12>.
6435
6436 2005-09-19  Richard Henderson  <rth@redhat.com>
6437
6438         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6439         (ia64_expand_dot_prod_v8qi): New.
6440         * config/ia64/ia64-protos.h: Update.
6441         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6442         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6443         sdot_prodv8qi, sdot_prodv4hi): New.
6444         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6445
6446 2005-09-19  Richard Henderson  <rth@redhat.com>
6447
6448         PR 23941
6449         * real.c (exact_real_truncate): Return false if the format cannot
6450         represent the number as a normal.
6451
6452         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6453         for a memory source.
6454
6455 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6456
6457         * tree-ssa-operands.c (swap_tree_operands): Export.
6458         * tree.h (swap_tree_operands): Declare.
6459         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6460         Call swap_tree_operands.
6461
6462 2005-09-19  Richard Henderson  <rth@redhat.com>
6463
6464         * tree-flow.h (merge_alias_info): Declare.
6465         * tree-ssa-copy.c (merge_alias_info): Export.
6466         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6467         (vect_create_data_ref_ptr): Use create_iv directly.
6468         (vectorizable_load): Use correct types for integer constants.
6469         (vect_generate_tmps_on_preheader): Likewise.
6470         (vect_gen_niters_for_prolog_loop): Likewise.
6471
6472 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6473
6474         PR rtl-optimization/23943
6475         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6476
6477 2005-09-18  Jan Hubicka  <jh@suse.cz>
6478
6479         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6480
6481 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6482
6483         * varasm.c (output_constant): Do not abort on conversions to union
6484         types between different sizes.
6485
6486 2005-09-18  Richard Guenther  <rguenther@suse.de>
6487
6488         PR middle-end/23944
6489         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6490         fallback.
6491
6492 2005-09-18  Paul Brook  <paul@codesourcery.com>
6493
6494         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6495
6496 2005-09-17  Richard Henderson  <rth@redhat.com>
6497
6498         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6499         * tree-ssa-loop.c (pass_vect_dce): Remove.
6500         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6501         of pass_vectorize.
6502
6503 2005-09-17  Richard Henderson  <rth@redhat.com>
6504
6505         * tree-pass.h (pass_vect_dce): Declare.
6506         * passes.c (init_optimization_passes): Add it.
6507         * tree-flow.h (tree_ssa_dce): Declare.
6508         * tree-ssa-dce.c (tree_ssa_dce): Export.
6509         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6510         (gate_tree_vectorize): ... here.
6511         (pass_vect_dce): New.
6512
6513 2005-09-17  Jan Hubicka  <jh@suse.cz>
6514
6515         * except.c (struct eh_status): Turn region_array into vec.
6516         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6517         convert_from_eh_region_ranges, find_exception_handler_labels,
6518         current_function_has_exception_handlers, assign_filter_values,
6519         build_post_landing_pads, dw2_build_landing_pads,
6520         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6521         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6522         foreach_reachable_handler, can_throw_internal_1,
6523         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6524         region_array.
6525         (duplicate_eh_region_1): Update region_array.
6526         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6527
6528 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6529
6530         PR middle-end/22067
6531         * expmed.c (expand_mult): Substitute simple register for op0 when
6532         computing max_cost.
6533
6534 2005-09-17  Richard Henderson  <rth@redhat.com>
6535
6536         * expr.c (emit_move_via_integer): Add force argument, pass it on
6537         to emit_move_change_mode.  Update callers.
6538         (emit_move_complex): Pass true to new force argument.
6539         * function.c (expand_function_end): Move expand_eh_return call
6540         earlier.  Merge sub-word complex values into a pseudo before
6541         copying to the return hard register.
6542
6543 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6544
6545         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6546         between different sizes.
6547
6548 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6549
6550         PR 23903
6551
6552         * passes.c (init_optimization_passes): Register dump files for
6553         IPA passes first.
6554
6555 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6556
6557         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6558         * config/s390/s390.c (s390_overlap_p): New function.
6559         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6560         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6561         condition.
6562
6563 2005-09-16  Richard Guenther  <rguenther@suse.de>
6564
6565         * ipa-pure-const.c (static_execute): Free auxiliar information.
6566         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6567         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6568
6569 2005-09-15  DJ Delorie  <dj@redhat.com>
6570
6571         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6572
6573 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6574
6575         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6576         to order operands.
6577         (swap_commutative_operands_with_target): New.
6578
6579 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6580
6581         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6582         parameter.
6583         Update callers.
6584         (estimate_iters_using_array): New function.
6585         * tree-data-ref.h (estimate_iters_using_array): Prototype
6586         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6587         Use estimate_iters_using_array instead of analyze_array.
6588
6589 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6590
6591         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6592         as addressable.
6593
6594 2005-09-15  Michael Matz  <matz@suse.de>
6595
6596         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6597
6598 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6599
6600         PR tree-optimization/23835
6601         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6602         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6603
6604 2005-09-14  Richard Henderson  <rth@redhat.com>
6605
6606         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6607         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6608
6609 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6610
6611         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6612         in the ARRAY_TYPE case.
6613
6614 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6615
6616         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6617
6618 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6619
6620         PR middle-end/22480
6621         * tree-vect-transform.c (vectorizable_operation): Return false for
6622         scalar shift operations and for vector shift operations with
6623         non-invariant shift arguments.  Use scalar tree operand op1 as
6624         a shift operand when vector shift insn pattern uses scalar shift
6625         operand.
6626         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6627
6628 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6629
6630         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6631         value if it has side-effects.
6632
6633 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6634
6635         PR target/22068
6636         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6637
6638 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6639
6640         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6641         passed as NAME as if it were label at start of function code.
6642
6643 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6644
6645         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6646         the constraints.
6647
6648 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6649
6650         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6651         as early clobber.  Rewrite so the PIC register is not implicitly used.
6652
6653 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6654
6655         * tree.c (annotate_with_file_line): Compare line numbers before
6656         file names.
6657
6658 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6659
6660         PR target/23816
6661         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6662         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6663
6664 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6665
6666         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6667         than a HOST_WIDEST_INT to gen_doloop_begin.
6668
6669 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6670
6671         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6672
6673 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6674
6675         PR tree-optimize/23817
6676         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6677
6678 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6679
6680         PR target/23774
6681         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6682         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6683         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6684         (restore_stack_nonlocal): Likewise.
6685         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6686
6687 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6688
6689         PR g++/7874
6690         * c.opt (ffriend-injection): New C++ option.
6691         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6692         (C++ Dialect Options): Document -ffriend-injection.
6693
6694 2005-09-12  Josh Conner  <jconner@apple.com>
6695
6696         PR middle-end/23237
6697         * ipa-reference.c (static_execute): Don't mark variables in
6698         named sections TREE_READONLY.
6699
6700 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6701
6702         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6703         stack_tie.
6704
6705 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6706
6707         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6708         V_MUST_DEF instead of just the first_use_p.
6709         Don't mark the virtual variables for renaming on the statement which
6710         is being removed.
6711         (pass_dse): Remove TODO_update_ssa.
6712
6713 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6714
6715         PR middle-end/23290
6716         * stor-layout.c (compute_record_mode): For records with a single
6717         field, actually check the field's mode size against the type size.
6718
6719         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6720         registers for TARGET_SHMEDIA.
6721         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6722         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6723         of GENERAL_REGS and FP_REGS.
6724
6725 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6726
6727         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6728
6729 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6730
6731         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6732         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6733         are omitted.  Exclude stack_tie insn too.
6734
6735 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6736
6737         PR rtl-optimization/23098
6738         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6739         0.0f is easy.
6740         * config/rs6000/rs6000.md (movdf splitter): Use
6741         const_double_operand predicate for TARGET_POWERPC64.
6742         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6743         SYMBOL_REF method to ABI_V4.
6744
6745         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6746         replace_equiv_address.
6747         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6748         rs6000_sr_alias_set and MEM_NOTRAP.
6749         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6750
6751 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6752
6753         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6754         handle CALL_EXPR again.
6755
6756 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6757
6758         * arm/predicates.md (alignable_memory_operand): Delete.
6759
6760 2005-09-10  Richard Henderson  <rth@redhat.com>
6761
6762         PR debug/23806
6763         * dbxout.c (dbxout_expand_expr): New.
6764         (dbxout_symbol): Use it.
6765
6766 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6767
6768         * arm.c (arm_gen_rotated_half_load): Delete.
6769         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6770         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6771         (thumb_set_return_address): Likewise.
6772         (thumb_load_double_from_address): Use adjust_address.
6773         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6774         (extendhsisi2_mem, movhi_bytes): Use change_address.
6775         (movhi): Use widen_memory_access.
6776         (reload_out_df): Use replace_equiv_address.
6777         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6778
6779 2005-09-09  Richard Henderson  <rth@redhat.com>
6780
6781         PR debug/20998
6782         * dbxout.c: Include expr.h.
6783         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6784         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6785         * Makefile.in (dbxout.o): Add EXPR_H.
6786
6787 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6788
6789         PR tree-optimization/23509
6790         * tree-cfg.c (replace_uses_by): Use replace_exp.
6791         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6792         pointers have name_mem_tag or type_mem_tag set.
6793
6794 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6795
6796         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6797         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6798         of wrongly accessing operands.
6799
6800 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6801
6802         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6803         * tree-chrec.c: Include tree-scalar-evolution.h.
6804         (chrec_convert): Instantiate the base and step before calling
6805         scev_probably_wraps_p that would fail on parametric evolutions.
6806         Collect all the fails into a single section failed_to_convert,
6807         print a diagnostic, and return chrec_dont_know instead of calling
6808         fold_convert.
6809         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6810         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6811         phi nodes.
6812         (scev_const_prop): Don't replace the definition of a loop closed ssa
6813         phi node by itself, or by another loop closed ssa phi node.
6814         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6815         that base and step are defined.
6816
6817 2005-09-09  Richard Guenther  <rguenther@suse.de>
6818
6819         PR c++/23624
6820         * fold-const.c (fold_ternary): Check truth_value_p before
6821         calling invert_truthvalue.
6822
6823 2005-09-09  Nick Clifton  <nickc@redhat.com>
6824
6825         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6826         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6827         dimension of these arrays.
6828         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6829         these arrays.
6830         * longlong.h: Only provide a prototype for the __clz_tab[] array
6831         if this header has not been included from libgcc2.h.
6832         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6833         defining own types.
6834         Provide prototypes for exported functions.
6835         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6836         libgcc2.c.
6837
6838 2005-09-08  Josh Conner  <jconner@apple.com>
6839
6840         PR c++/21135
6841         PR c++/23180
6842         * expr.c (expand_expr_addr_expr_1): Don't invoke
6843         expand_simple_binop for EXPAND_INITIALIZER.
6844
6845 2005-09-08  Richard Henderson  <rth@redhat.com>
6846
6847         PR debug/23190
6848         * toplev.c (wrapup_global_declaration_1): Split out ...
6849         (wrapup_global_declaration_2): ... from ...
6850         (wrapup_global_declarations): ... here.  Return bool.
6851         (check_global_declaration_1): Split out ...
6852         (check_global_declarations): from here.
6853         (emit_debug_global_declarations): New.
6854         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6855         check_global_declaration_1, emit_debug_global_declarations): Declare.
6856         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6857         of decls.  Call wrapup_global_declaration_1,
6858         wrapup_global_declaration_2, check_global_declaration_1 directly.
6859         (c_write_global_declarations_2): New.
6860         (ext_block): New.
6861         (c_write_global_declarations): Call c_write_global_declarations_2.
6862         * langhooks.c (write_global_declarations): Call
6863         emit_debug_global_declarations.
6864
6865         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6866         remove decls that have DECL_RTL_SET_P.
6867         * passes.c (rest_of_decl_compilation): Invoke
6868         cgraph_varpool_finalize_decl for all but functions.
6869
6870 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6871
6872         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6873         the result of a conversion if the new min and max cannot be compared.
6874
6875 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6876
6877         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6878         (override_options): Setting s390_sr_alias_set removed.
6879         (save_fpr, save_gprs): Set alias set to vararg or frame.
6880         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6881         s390_sr_alias_set with get_frame_alias_set ().
6882         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6883         get_varargs_alias_set ().
6884
6885 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6886
6887         PR objc/20574
6888         PR objc/19324
6889         * c-parser.c (c_parser_objc_method_definition): If the next
6890         token is not "{", error out and don't start the function.
6891
6892 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6893
6894         * tree-vrp.c (extract_range_from_expr): Move the check for non
6895         nullness after the check for gimple invariant.
6896
6897 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6898
6899         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6900
6901 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6902
6903         PR target/23747
6904         * config/m32r.md (movmemsi_internal): Canonicalize order of
6905         operands in PLUS component of template.
6906
6907 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6908
6909         * reload1.c (fixup_eh_region_note): Remove assertion.
6910         (fixup_abnormal_edges): Reverted removal of call to
6911         find_many_sub_basic_blocks made on 2005-08-31.
6912
6913 2005-09-07  Richard Henderson  <rth@redhat.com>
6914
6915         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6916         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6917         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6918         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6919         rearrange for better packing.
6920         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6921         (lookup_cfa_1): Remove inline marker.
6922         (cfa_equal_p): Split out of ...
6923         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6924         (build_cfa_loc): Handle !cfa->indirect.
6925         (frame_pointer_cfa_offset): New.
6926         (dbx_reg_number): Assert register elimination performed; do
6927         leaf register remapping.
6928         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6929         (eliminate_reg_to_offset): New.
6930         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6931         for verifiably local stack frame addresses; re-base to CFA.
6932         (mem_loc_descriptor): Remove can_use_fbreg argument.
6933         (concat_loc_descriptor, loc_descriptor): Likewise.
6934         (containing_function_has_frame_base): Remove.
6935         (rtl_for_decl_location): Don't do register elimination or
6936         leaf register remapping here.
6937         (secname_for_decl): Split out from ..
6938         (add_location_or_const_value_attribute): ... here.
6939         (convert_cfa_to_loc_list): New.
6940         (compute_frame_pointer_to_cfa_displacement): New.
6941         (gen_subprogram_die): Use them.
6942         * tree.h (frame_base_decl): Remove.
6943         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6944         (prologue_stack_adjust): Remove.
6945         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6946         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6947         (set_frame_base_location): Remove.
6948         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6949         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6950         (vt_add_function_parameters): Don't eliminate_regs.
6951         (vt_initialize): Don't create frame_base_decl.
6952
6953 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6954
6955         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6956         version of GNU binutils for 4.x and later.
6957
6958 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6959
6960         * ggc-page.c (ggc_push_context): Remove.
6961         (ggc_pop_context): Likewise.
6962         * ggc.h (ggc_push_context): Remove.
6963         (ggc_pop_context): Likewise.
6964
6965 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6966
6967         PR target/8973
6968         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6969         returning from an interrupt handler.
6970
6971 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6972
6973         PR target/8972
6974         * config/arc/arc.c (output_shift): Add check for loop count when
6975         optimizing.
6976
6977 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6978
6979         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6980         form manually.
6981         (abs_replacement): Likewise.
6982         (pass_phiopt): Remove TODO_update_ssa.
6983
6984 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6985
6986         PR c/23075
6987         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6988         if "return with no value, in function returning non-void" warning
6989         has been issued.
6990         * tree-cfg.c (execute_warn_function_return): Don't look at
6991         RETURN_EXPRs with TREE_NO_WARNING set.
6992
6993         PR target/22362
6994         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6995         for internal functions doesn't use registers used by global registers
6996         variables.  Use fewer register parameters if there are global register
6997         variables.
6998
6999 2005-09-06  Olivier Hainque  <hainque@adacore.com>
7000             Eric Botcazou  <ebotcazou@adacore.com>
7001
7002         PR middle-end/14997
7003         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7004         when we would be extracting outside its bit span (bitpos+bitsize
7005         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7006         Ada unchecked conversions.
7007
7008 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7009
7010         * tree-ssa-pre.c (try_look_through_load): New function.
7011         (compute_avail): Use it to try to look through loads for some
7012         more useful expressions.
7013
7014 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7015
7016         * simplify-rtx.c (simplify_binary_operation_1): Correct the
7017         condition for detecting cases like (a&a) and (a^a).
7018
7019 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
7020
7021         * common.opt: Add option ftree-vect-loop-version.
7022         * params.def: Add --param vect-max-version-checks.
7023         * doc/invoke.texi: Document ftree-vect-loop-version and
7024         --param vect-max-version-checks.
7025         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7026         may_misalign_stmts and defines for accessors.
7027         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7028         LOOP_VINFO_MAY_MISALIGN_STMTS.
7029         (destroy_loop_vec_info): VEC_free for
7030         LOOP_VINFO_MAY_MISALIGN_STMTS.
7031         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7032         Update documentation.
7033         (vect_update_misalignment_for_peel): New.
7034         (vect_enhance_data_refs_alignment): Update to choose loop
7035         peeling or loop versioning if appropriate for the (potentially)
7036         unaligned data references in the loop.
7037         (vect_analyze_data_refs_alignment): Remove call to
7038         vect_enhance_data_refs_alignment so the checks can be done
7039         earlier.
7040         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7041         and move up call to vect_analyze_data_refs_alignment.
7042         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7043         (vect_transform_loop): Add call to loop_version.
7044
7045 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7046
7047         PR rtl-optimization/23098
7048         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7049         * simplify-rtx.c (constant_pool_reference_p): New function.
7050         * rtl.h (constant_pool_reference_p): New prototype.
7051         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7052         constant_pool_reference_p in condition and
7053         avoid_constant_pool_reference in preparation statements.
7054
7055 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7056
7057         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7058         STRICT_LOW_PART SETs.
7059
7060 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
7061
7062         PR middle-end/21460
7063         * except.c (sjlj_emit_function_enter): Find the function begin
7064         note even when it's not in first basic block.
7065
7066 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
7067
7068         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
7069         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7070         * aclocal.m4: Regenerate.
7071
7072 2005-09-05  DJ Delorie  <dj@redhat.com>
7073
7074         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7075         of macro.
7076
7077 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
7078
7079         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7080         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7081         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7082         Follow spelling conventions.
7083         * doc/invoke.texi: Follow spelling conventions.
7084
7085 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7086
7087         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7088         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7089         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7090
7091 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7092
7093         PR target/23683
7094         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7095         (output_stack_adjust): Use gen_tmp_stack_mem.
7096         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7097         (sh_set_return_address, sh_allocate_initial_value): Likewise.
7098         (sh_get_pr_initial_val): Likewise.
7099         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7100         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
7101         * sh.md (divsi_inv_m0): Use gen_const_mem.
7102         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7103         (movdf_i4+1): Use gen_tmp_stack_mem.
7104         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7105         (fpu_switch+2): Likewise.
7106         (movv4sf_i, movv16sf_i): Use adjust_address.
7107         (symGOT_load): Set MEM_NOTRAP_P bit.
7108
7109 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7110
7111         PR target/23721
7112         * pa.c (emit_move_sequence): Fix typo in last change.
7113
7114 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
7115
7116         PR rtl-optimization/23454
7117         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7118         is true.
7119
7120 2005-09-03  Richard Henderson  <rth@redhat.com>
7121             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7122
7123         PR middle-end/23671
7124         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7125         gen_rtx_MEM.
7126
7127 2005-09-02  Nicolas Pitre <nico@cam.org>
7128
7129         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7130         to bit_count to 32 bits.
7131
7132 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
7133
7134         PR c++/23167
7135         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7136         generating synthetic loads from volatile lvalues.
7137
7138 005-09-02  Nick Clifton  <nickc@redhat.com>
7139
7140         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7141         __ctzhi2, __clzhi2): New functions.
7142
7143 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
7144
7145         PR middle-end/23547
7146         * tree-nested.c (struct var_map_elt): Mark with GTY.
7147         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
7148         var_map_elt.
7149         (lookup_field_for_decl): Allocate new element in GC memory.
7150         (lookup_tramp_for_decl): Likewise.
7151         (convert_nl_goto_reference): Likewise
7152         (create_nesting_tree): Allocate info in GC memory. Likewise for
7153         info->var_map.
7154         (free_nesting_tree): Free with ggc_free instead of free.
7155         (root): New static variable.
7156         (lower_nested_functions): Remove root as local variable.  And zero out
7157         root at the end of the function.
7158
7159 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
7160
7161         PR rtl-optimization/20365
7162         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7163         to short.  New member ix.
7164         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7165         (simplify_plus_minus): Initialize ix members before calling qsort.
7166
7167 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
7168
7169         PR tree-optimization/23626
7170         * tree-cfg.c (replace_uses_by): Clean up eh info.
7171
7172 2005-09-01  DJ Delorie  <dj@redhat.com>
7173
7174         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7175         fprintf.
7176
7177 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
7178
7179         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7180         (rs6000_split_multireg_move): Use replace_equiv_address instead of
7181         gen_rtx_MEM.
7182
7183 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
7184
7185         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
7186         do not issue warning for a variable definition following
7187         a declaration.
7188
7189 2005-09-01  Richard Henderson  <rth@redhat.com>
7190
7191         PR 23668
7192         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7193         conversion to CONST_VECTOR.
7194
7195 2005-09-01  Richard Henderson  <rth@redhat.com>
7196
7197         PR 23676
7198         * reload1.c (reload_as_needed): Check !CALL_P before calling
7199         fixup_eh_region_note.
7200         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7201
7202 2005-09-01  DJ Delorie  <dj@redhat.com>
7203
7204         * varasm.c (output_constant): Let the target resolve
7205         conversions of addresses to non-default pointer sizes.
7206
7207 2005-09-01  Nicolas Pitre <nico@cam.org>
7208
7209         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7210         to alow matching ARM pre-indexed addressing mode.
7211         (arm_override_options): Remove now irrelevant comment.
7212
7213 2005-09-01  Phil Edwards  <phil@codesourcery.com>
7214
7215         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
7216         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
7217         * config/i386/vxworks.h:  Likewise.
7218         * config/i386/t-vxworksae:  New file, for VxWorks AE.
7219         * config/i386/vxworksae.h:  Likewise.
7220
7221 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
7222
7223         PR tree-optimization/23410
7224         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7225         sequence is not wrapping during the first step.
7226
7227 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7228
7229         PR debug/7241
7230         * dwarf2out.c (base_type_die): Compare char_type_node with
7231         TYPE_MAIN_VARIANT (type), not type.
7232
7233 2005-09-01  Richard Guenther  <rguenther@suse.de>
7234
7235         PR tree-optimization/15366
7236         * common.opt: Add -finline-functions-called-once.
7237         Put -fearly-inlining in alphabetically ordered place.
7238         * doc/invoke.texi: Document new option.
7239         * ipa-inline.c (cgraph_decide_inlining): Honour
7240         flag_inline_functions_called_once.
7241
7242 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7243
7244         PR rtl-optimization/23478
7245         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7246         (alloc_qty): Initialize it.
7247         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7248         (combine_regs): Combine also n_throwing_calls_crossed fields.
7249         (find_free_reg): Don't attempt to caller-save pseudos crossing
7250         calls that might throw.
7251         * global.c (struct allocno): Add throwing_calls_crossed field.
7252         (global_alloc): Revert 2005-08-22 change.  Initialize
7253         throwing_calls_crossed.
7254         (find_reg): Don't attempt to caller-save pseudos crossing calls that
7255         might throw.
7256
7257 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
7258
7259         PR target/23649
7260         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7261         (mask64_operand): Reinstate code prior to 2005-06-11 change.
7262         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7263         (and64_2_operand): Tweak to use predicate.
7264         (and_operand): Adjust for mask_operand changes.
7265         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7266         (print_operand): Likewise.
7267         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7268         (mask64_1or2_operand): Delete.
7269         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7270         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7271         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7272         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7273         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7274         (rotldi3_internal4): Likewise.
7275         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7276         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7277         (ashldi3_internal7): Likewise.
7278         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7279         (ashldi3_internal, ashldi3_internal9 split): Likewise.
7280         (anddi3 split): Don't match mask64_operand.
7281         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7282         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7283         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7284         't' splitter predicate.
7285         (movdi_internal64 + 2): Revert 2005-06-11 change.
7286
7287 2005-08-31  DJ Delorie  <dj@redhat.com>
7288
7289         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7290         (m32c_asm_integer): Add support for 32 bit pointers.
7291
7292 2005-08-31  Richard Henderson  <rth@redhat.com>
7293
7294         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7295         component-like references for setting MEM_NOTRAP_P.
7296
7297         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7298         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7299
7300 2005-08-31  Richard Henderson  <rth@redhat.com>
7301
7302         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7303         into a pseudo before applying gen_lowpart.
7304
7305 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
7306
7307         * doc/install.texi (Specific): Update cctools version required
7308         for full functionality.
7309         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7310         linkers as -macosx_version_min.
7311
7312 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7313
7314         PR target/21255
7315         * sh.c (print_operand, %R and %S): Add handling of floating point
7316         registers, memory, constants and invalid operands.
7317
7318 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7319
7320         * ipa-pure-const.c: Change dump name.
7321
7322 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7323
7324         PR target/23570
7325         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7326         to "reg_or_0_operand".
7327         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7328
7329 2005-08-31  Dale Johannesen  <dalej@apple.com>
7330
7331         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7332         loops that count down.
7333
7334 2005-08-31  Richard Henderson  <rth@redhat.com>
7335
7336         PR rtl-opt/23601
7337         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7338         (fixup_eh_region_note): New.
7339         (reload_as_needed): Call it.
7340         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7341         don't call find_many_sub_basic_blocks; call verify_flow_info.
7342         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7343         (keep_stack_depressed): Likewise.
7344         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7345
7346 2005-08-31  Richard Henderson  <rth@redhat.com>
7347
7348         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7349         fp return matching.
7350
7351 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7352
7353         * expr.c (expand_expr_real_1): Compare size of address
7354         mode to target's address mode size in deciding expansion of
7355         the constant address.
7356
7357 2005-08-31  Richard Guenther  <rguenther@suse.de>
7358
7359         PR middle-end/23477
7360         * expr.c (all_zeros_p): New function.
7361         (expand_expr_real_1): Handle the case of an all-zero
7362         non-addressable constructor separately.
7363
7364 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7365
7366         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7367         arguments, adjust all callers.
7368         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7369
7370 2005-08-30  Richard Henderson  <rth@redhat.com>
7371
7372         PR target/23630
7373         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7374         whenever the mode sizes match.
7375
7376 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7377
7378         * calls.c (load_register_parameters): Fix comment typo.
7379         * expr.c (emit_push_insn): Comment formatting.
7380
7381 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7382
7383         * config/i386/x-cygwin (host-cygwin): Change dependency from
7384         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7385
7386 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7387
7388         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7389         parts of 'vals'.
7390
7391 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7392
7393         PR middle-end/23408
7394         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7395         call to ggc_collect.
7396
7397 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7398
7399         PR bootstrap/21268
7400         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7401         beginning.  Remove $(INCLUDES) from all the rules, if following
7402         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7403
7404 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7405
7406         PR middle-end/23484
7407         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7408         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7409         not constant, but maxlen is, don't set len to maxlen, rather
7410         set maxlen to len if len is a constant.
7411
7412 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7413
7414         PR tree-optimization/23475
7415         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7416         and counts.
7417
7418 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7419
7420         Fix PR middle-end/22455
7421
7422         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7423         Checksum only the parts of the tree that exist for the tree code.
7424
7425 2005-08-28  Dale Johannesen  <dalej@apple.com>
7426
7427         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7428
7429 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7430
7431         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7432
7433 2005-08-28  Richard Henderson  <rth@redhat.com>
7434
7435         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7436         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7437         of char_type_node.
7438
7439 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7440
7441         PR ada/23593
7442         * builtins.c (get_memory_rtx): Don't strip nops
7443         in between COMPONENT_REFs.
7444
7445 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7446
7447         PR middle-end/23463
7448         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7449         types.
7450         (gimplify_modify_expr): Check for zero sized types and gimplify the
7451         rhs and lhs as statements.
7452
7453 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7454
7455         PR libgcj/23508
7456         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7457         state for return address column of signal frames.
7458
7459 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7460
7461         PR target/23539
7462         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7463         bytes >= 2 not bytes == 2.
7464         (expand_block_move): Same.
7465
7466 2005-08-27  Richard Guenther  <rguenther@suse.de>
7467
7468         PR target/23575
7469         * config/i386/sse.md (sse2_movsd): Add missing closing
7470         braces.
7471
7472 2005-08-27  Paul Brook  <paul@codesourcery.com>
7473
7474         * genrecog.c (enum decision_type): Add DT_num_insns.
7475         (struct decision_test): Add u.num_insns.
7476         (add_to_sequence): Add DT_num_insns test.
7477         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7478         (write_cond, debug_decision_2): Ditto.
7479         (change_state): Assume peep2_next_insn never fails.
7480         Remove "afterward" argument.
7481         (write afterward, write_tree): Update to match.
7482         * recog.c (peep2_current_count): New variable.
7483         (peep2_next_insn): Check it.
7484         (peephole2_optimize): Set peep2_current_count.
7485         * recog.h (peep2_current_count): Declare.
7486
7487 2005-08-26  Josh Conner  <jconner@apple.com>
7488
7489         PR middle-end/23584
7490         * ipa-pure-const.c (check_tree): Check for volatile-ness
7491         when considering a dereference.
7492
7493 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7494
7495         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7496
7497 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7498
7499         PR rtl-optimization/23561
7500         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7501         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7502         at most LEN bytes long memory fits into the field.
7503         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7504         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7505         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7506
7507 2005-08-26  Richard Henderson  <rth@redhat.com>
7508
7509         PR rtl-opt/23560
7510         * loop.c (biased_biv_may_wrap_p): New.
7511         (maybe_eliminate_biv_1): Use it to suppress non-equality
7512         comparison transformations.  Delete disabled code.
7513
7514 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7515
7516         * combine.c (make_extraction): Avoid reference outside object.
7517
7518 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7519
7520         * stor-layout.c (finalize_type_size): Restore behaviour for
7521         non-aggregate types to the status quo ante of the patch for
7522         pr 23467.  Document why it matters.
7523
7524 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7525
7526         PR c/23506
7527         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7528         array by one element, initialize the BT_LAST element with NULL.
7529
7530 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7531
7532         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7533         optimizing for size.
7534         (plus_eqsi): Same.
7535         (compare_plus_eqsi): Same.
7536         (plus_eqsi_compare): Same.
7537         (neg_eq0<mode>): Same.
7538         (neg_eq<mode>): Same.
7539
7540         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7541         PROCESSOR_POWER4.
7542
7543 2005-08-26  Nick Clifton  <nickc@redhat.com>
7544
7545         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7546         TARGET_EP is not defined.
7547         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7548         TARGET_EP is enabled.
7549         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7550         * config/v850/v850.md (save_all_interrupt): Only use the EP
7551         register if TARGET_EP is defined.
7552         (restore_all_interrupt): Likewise.
7553         * config/v850/lib1funcs.asm: Update functions so that the EP
7554         register is only used if __EP__ is defined.
7555
7556 2005-08-26  David Ung  <davidu@mips.com>
7557
7558         * config/mips/mips.c (mips_expand_prologue): Handle case when
7559         generating for MIPS16 and the outgoing argument area is more than
7560         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7561         add instruction.
7562
7563 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7564
7565         * config/crx/crx.md: Make doloop_end pattern usage controllable
7566         via mloop-nesting=<max-nesting> command line switch. Make sure
7567         the combiner cannot use doloop_end_<mode> in an illegal way.
7568         * config/crx/crx.c: Use regs up to r6 for argument passing.
7569         Refine crx_address_cost (non cst4 displacements are expensive).
7570         * config/crx/crx.opt: Add switch for mloop-nesting=.
7571
7572 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7573
7574         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7575         (UNSPEC_MVST): New constant.
7576
7577 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7578
7579         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7580         Reject operands containing eliminable registers.
7581         * testsuite/gcc.dg/20050825-1.c: New testcase.
7582
7583 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7584             Jan Hubicka  <jh@suse.cz>
7585
7586         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7587
7588 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7589
7590         PR tree-optimization/23546
7591         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7592         and REAL_CST nodes.
7593
7594 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7595
7596         * params.def (PARAM_MIN_SPEC_PROB): New.
7597         * sched-rgn.c (MIN_PROBABILITY): Delete.
7598         (compute_trg_info): Convert to PARAM_VALUE.
7599         * doc/invoke.texi (param): Document min-spec-prob.
7600
7601 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7602
7603         * config/darwin.h: define __PIC__
7604         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7605         TARGET_OS_CPP_BUILTINS macro.
7606
7607 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7608
7609         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7610         yesterday.
7611
7612 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7613
7614         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7615         to duplicate_block.
7616         * cfghooks.c (duplicate_block): Added position where to place
7617         new block as argument.
7618         * cfghooks.h (duplicate_block): Declaration changed.
7619         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7620         duplicate_block.
7621         * cfglayout.h (copy_bbs): Declaration changed.
7622         * cfgloop.h (loop_version): Declaration changed.
7623         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7624         position to copy_bbs.
7625         (loop_version): Pass position to duplicate_loop_to_header_edge.
7626         Add place_after argument and position new blocks according to
7627         it.
7628         * modulo-sched.c (sms_schedule): Pass place_after argument
7629         to loop_version.
7630         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7631         * tree-cfg.c (split_edge_bb_loc): New function.
7632         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7633         to determine position of new blocks.
7634         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7635         to loop_version.
7636         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7637         argument to duplicate_block.
7638         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7639         Pass position to copy_bbs.
7640
7641 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7642
7643         * fold-const.c (ptr_difference_const): Use
7644         cst_and_fits_in_hwi instead of host_integerp.
7645
7646 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7647
7648         * config/darwin.c (gen_pic_offset): New.
7649         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7650         Use it.
7651
7652 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7653
7654         PR tree-optimization/23486
7655         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7656
7657 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7658
7659         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7660         remove use_collect2.
7661         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7662
7663         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7664         configuration files to override the default value.
7665
7666         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7667         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7668         * config/vx-common.h:  New file, split out from...
7669         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7670         * config/vxworksae.h:  New file, for VxWorks AE.
7671         * config/vxworks.opt:  New file.
7672         * config/vxlib.c:  Update for VxWorks 6.
7673
7674         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7675         other MULTILIB_* variables appropriately.
7676         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7677         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7678         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7679         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7680
7681 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7682
7683         PR target/20799
7684         * config/darwin.c (machopic_select_section): Remove the hack to
7685         mark "::operator new" and "::operator delete" for coalescing
7686         even though they are not weak.
7687
7688 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7689
7690         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7691         * configure: Regenerate.
7692
7693 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7694
7695         PR middle-end/23517
7696         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7697         between vectors.
7698         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7699         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7700         Likewise.
7701
7702 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7703
7704         * config/rs6000/predicates.md (equality_operator): New.
7705         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7706         comparison with a large constant.
7707
7708 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7709
7710         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7711
7712 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7713
7714         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7715         registers is even, and we have a hardware double precision fp,
7716         align the buffer.
7717         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7718         size of current argument when checking if argument was passed in
7719         registers.
7720
7721         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7722
7723         PR middle-end/23467
7724         * stor-layout.c (finalize_type_size): Dont override
7725         existing alignment with a smaller alignment from the mode.
7726
7727 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7728
7729         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7730         * lambda.h (lambda_vector_lexico_pos): ... here.
7731         * tree-data-ref.c (build_classic_dist_vector): Return false when
7732         the distance vector is lexicographically negative.
7733
7734 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7735
7736         PR tree-optimization/23511
7737         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7738         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7739
7740 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7741
7742         PR tree-optimization/22043
7743         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7744         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7745         If ALLOW_FLEXARR, handle types ending with flexible array member.
7746         Pass false as second argument to recursive count_type_elements calls.
7747         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7748         argument to count_type_elements call.
7749         * tree-sra.c (decide_block_copy): Likewise.
7750         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7751         for a constant-sized object, set cleared as well.  Pass true as
7752         second argument to count_type_elements call.
7753
7754 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7755
7756         PR target/21571
7757         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7758         from legitimate_small_data_p, and make global.  Update use.
7759         Remove forward declaration.
7760         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7761         Declare.
7762         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7763
7764 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7765
7766         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7767         of scratch intermediates.
7768         (eq<mode>_compare): Same.
7769         (neg_eq0<mode>): New.
7770         (neg_eq<mode>): Convert to define_insn_and_split.
7771
7772 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7773
7774         PR target/23070
7775         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7776         stdarg functions, set/clear the fp marker even when no variable
7777         args are passed.
7778         * config/rs6000/sysv4.opt (mprototype): Describe.
7779
7780 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7781
7782         PR rtl-optimization/23478
7783         * regs.h (reg_info): Add throw_calls_crossed.
7784         (REG_N_THROWING_CALLS_CROSSED): Define.
7785         * flow.c (allocate_reg_life_data): Initialize
7786         REG_N_THROWING_CALLS_CROSSED.
7787         (propagate_one_insn, attempt_auto_inc): Update
7788         REG_N_THROWING_CALLS_CROSSED.
7789         * global.c (global_alloc): Don't allocate pseudos across
7790         calls that may throw.
7791
7792 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7793
7794         PR c/18715
7795         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7796         value is inbetween the range if we did not find an exact match.
7797
7798 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7799
7800         * doc/invoke.texi (Option Summary): Add ms1 options.
7801         * doc/extend.texi: Document interrupt handler attribute for ms1.
7802         * doc/md.texi: Document ms1 constraints.
7803         * config.gcc: Add ms1-*-elf.
7804         * config/ms1/ms1.h: New.
7805         * config/ms1/ms1.c: New.
7806         * config/ms1/ms1.md: New.
7807         * config/ms1/ms1-protos.h: New.
7808         * config/ms1/ABI.txt: New.
7809         * config/ms1/crti.asm: New.
7810         * config/ms1/crtn.asm: New.
7811         * config/ms1/lib2extra-funcs.c: New.
7812         * config/ms1/t-ms1: New.
7813         * config/ms1/ms1.opt: New.
7814
7815 2005-08-22 Ira Rosen <irar@il.ibm.com>
7816
7817         * config/rs6000/altivec.md (xorv4sf3): New.
7818         (negv4sf2, neg<mode>2): Likewise.
7819
7820 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7821
7822         PR target/23485
7823         * config/ia64/ia64.md (divsi3): Check divide by zero.
7824         (udivsi3): Likewise.
7825         (divdi3): Likewise.
7826         (udivdi3): Likewise.
7827
7828 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7829
7830         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7831         up to elem_bitsize bits, not max_bitsize.
7832
7833 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7834
7835         PR tree-optimization/23433
7836         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7837         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7838
7839 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7840
7841         PR tree-optimization/23434
7842         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7843         the iteration bound is not an INTEGER_CST.
7844
7845 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7846
7847         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7848         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7849         NULL if need_epilog_adjust is false.
7850         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7851         Case 3 always peels first itration, not just for PLUS case, and no need
7852         to use scalar_initial_def here. Create an epilog adjustment only if
7853         scalar_initial_def is not NULL.
7854
7855         (vectorizable_reduction): Remove assert.
7856
7857 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7858
7859         PR target/23485
7860         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7861         (__moddi3): Likewise.
7862         (__udivdi3): Likewise.
7863         (__umoddi3): Likewise.
7864         (__divsi3): Likewise.
7865         (__modsi3): Likewise.
7866         (__udivsi3): Likewise.
7867         (__umodsi3): Likewise.
7868
7869 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7870
7871         * tree-pass.h (TDF_GRAPH): Define.
7872         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7873         * passes.c (finish_optimization_passes): Only call
7874         finish_graph_dump_file if TDF_GRAPH is set.
7875         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7876         NULL.  Set TDF_GRAPH bit.
7877         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7878
7879 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7880
7881         * arm.h (arm_stack_offsets): Add locals_base field.
7882         * arm.c (arm_get_frame_offsets): Compute it.
7883         (thumb_compute_initial_elimination offset): Make the Thumb frame
7884         pointer point to the base of the local variables.
7885         (thumb_expand_prologue): Update accordingly.
7886         (thumb_expand_epilogue): Likewise.
7887
7888         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7889         mode of clobbered scratch to DImode.  Handle a case that's known to
7890         need this.
7891
7892 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7893
7894         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7895         (gt0<mode>_compare): Delete.
7896         (neg_gt0<mode>): Delete.
7897
7898 2005-08-19  Eric Christopher  <echristo@apple.com>
7899
7900         * optabs.h: Change CTI_ to COI_.
7901         * optabs.c: Ditto.
7902
7903 2005-08-19  James E Wilson  <wilson@specifix.com>
7904
7905         * builtins.c (expand_builtin_return_addr): Set
7906         current_function_accesses_prior_frames when count != 0.  Use
7907         frame_pointer_rtx when count == 0.
7908         * function.h (struct function): Add accesses_prior_frames field.
7909         (current_function_accesses_prior_frames): Define.
7910         * reload1.c (init_elim_table): Check
7911         current_function_accesses_prior_frames.
7912         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7913
7914 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7915
7916         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7917         indicator.  Return true if the flowgraph changed during
7918         cleanup.
7919
7920 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7921
7922         PR 23476
7923         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7924         conditional expression before testing its value.
7925
7926 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7927
7928         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7929
7930 2005-08-19  Devang Patel  <dpatel@apple.com>
7931
7932         PR tree-optimization/23048
7933         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7934         third parameter. Check whether latch is dominated by exit
7935         block or not.
7936         (if_convertible_loop_p): Supply exit block itself to
7937         if_convertible_bb_p.
7938
7939 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7940
7941         PR target/23473
7942         * arm.md (arm_load_pic_register): Change argument to the mask of
7943         saved registers.  Call thumb_find_work_register if we need a
7944         scratch register on Thumb.
7945         (arm_expand_prologue): Pass empty register set to
7946         arm_load_pic_register.
7947         (thumb_expand_prologue): Pass live_regs_mask directly to
7948         arm_load_pic_register.
7949         * arm-protos.h (arm_load_pic_register): Update prototype.
7950
7951 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7952
7953         * sh.c (find_sole_member): New function.
7954         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7955         if the record's alignment is larger than the size of its only member.
7956
7957 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7958
7959         PR target/23436
7960         * arm.c (thumb_legitimize_reload_address): New function.
7961         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7962         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7963
7964 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7965
7966         * config/crx/crx.c: Implement crx_decompose_address. Reject
7967         symbolic displacements since CRX register relative adressing
7968         mode can't handle unsigned 32-bit values as displacements.
7969         * config/crx/crx.h: Simplify definitions, remove redundant
7970         parenthesis and obsolete macros.
7971         * config/crx/crx.opt: Add new switch for debugging addresses.
7972         * config/crx/crx-protos.h: Add new declarations for above.
7973
7974 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7975
7976         PR middle-end/20624
7977         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7978         looking past it.
7979
7980 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7981
7982         * collect2.c (dup2): Delete.
7983         * configure.ac: Don't check for dup2.
7984
7985         * config.in, configure: Regenerate.
7986
7987 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7988
7989         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7990         record with the type of its only member.
7991
7992 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7993
7994         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7995         define_insn_and_split.
7996         (plus_ltu<mode>_compare): Same.
7997         (gtu<mode>_compare): Same.
7998         (plus_gtu<mode>_compare): Same.
7999
8000 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
8001
8002         PR tree-optimization/22228
8003         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8004         todo_flags_start.
8005         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8006         are recorded in vect_vnames_to_rename for renaming.
8007         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8008         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8009         in vect_vnames_to_rename.
8010         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8011         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8012
8013 2005-08-18  Jan Hubicka  <jh@suse.cz>
8014
8015         PR c++/22034
8016         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8017         info only for local statics, not for member variables.
8018
8019 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8020
8021         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8022
8023 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8024
8025         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8026
8027 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
8028
8029         PR middle-end/16045
8030         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8031
8032 2005-08-17  James E Wilson  <wilson@specifix.com>
8033
8034         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8035         array size check.
8036
8037 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
8038
8039         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8040         (leu<mode>_compare): Same.
8041         (plus_leu<mode>): Same.
8042         (neg_leu<mode>): Same.
8043         (and_neg_leu<mode): Same.
8044         (ltu<mode>_compare): Same.
8045         (plus_ltu<mode>): Same.
8046         (geu<mode>): Same.
8047         (geu<mode>_compare): Same.
8048         (plus_geu<mode>): Same.
8049         (neg_geu<mode>): Same.
8050         (and_neg_geu<mode>): Same.
8051         (plus_gt<mode>): Same.
8052         (gtu<mode>_compare): Same.
8053         (plus_gtu<mode>): Same.
8054
8055 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
8056
8057         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8058         Move call_table_data to end.  Delete spurious .text.
8059         (callt_save_all_interrupt): Fix comment typo.
8060
8061 2005-08-17  James E Wilson  <wilson@specifix.com>
8062             Kevin Winchester  <winchester@amirix.com>
8063
8064         PR target/21684
8065         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8066
8067 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
8068
8069         PR target/23268
8070         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8071         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8072
8073 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
8074
8075         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8076         record with the type of its only member if the modes don't match.
8077
8078         * varasm.c (decode_reg_name): Skip empty additional register names.
8079
8080 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
8081
8082         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8083         lsm_tmp_name_length): New.
8084         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8085         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8086
8087 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8088             Andreas Krebbel  <krebbel1@de.ibm.com>
8089
8090         * config.gcc: Added z9-109 switch.
8091         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8092         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8093         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8094         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8095         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8096         for "z9_109" cpu attribute.
8097         * config/s390/s390.c (z9_109_cost): New processor cost structure.
8098         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8099         (s390_handle_arch_option): Added z9-109 switch.
8100         (override_options): Set respective cost function for z9-109.
8101         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8102         (legitimate_reload_constant_p): Accept extended immediates.
8103         (print_operand): Three new output modifiers added: k, m and o.
8104         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8105         (s390_output_mi_thunk): Use extended immediate when possible.
8106         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8107         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8108         (CONSTRAINT_LEN): Added length of O constraint.
8109         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8110         * config/s390/s390.md ("cpu"): New value z9_109 added.
8111         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8112         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8113         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8114         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8115         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8116         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8117         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8118         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8119         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8120         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8121         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8122         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8123         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8124         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8125         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8126         immediates.
8127         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8128         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8129         insns for TARGET_EXTIMM.
8130
8131 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8132
8133         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8134
8135 2005-08-17  Nick Clifton  <nickc@redhat.com>
8136
8137         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8138         Call default_encode_section_info.
8139
8140 2005-08-17  Steven Bosscher  <stevenb@suse.de>
8141
8142         PR tree-optimization/21574
8143         * tree-ssa-ccp.c (likely_value): If the right hand side is a
8144         constant, return CONSTANT.
8145         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8146         (ccp_fold, visit_assignment): Likewise.
8147         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8148
8149 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8150
8151         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8152         fold_buildN instead of buildN then fold_initializer or fold.
8153         (build_unary_op): Likewise.
8154         (build_binary_op): Likewise.
8155         * fold-const.c (fold_initializer): Remove.
8156         (fold_build1_initializer): New function.
8157         (fold_build2_initializer): New function.
8158         (fold_build3_initializer): New function.
8159         * tree.h (fold_initializer): Remove.
8160         (fold_build1_initializer): New function.
8161         (fold_build2_initializer): New function.
8162         (fold_build3_initializer): New function.
8163
8164 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8165
8166         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8167         (try_move_mult_to_index): Call fold_build2 instead of build2.
8168         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8169         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8170         fold_binary_to_constant.
8171         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8172         fold (build.
8173         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8174         check if A == gcd (A, B).  Remove TYPE argument.
8175         (analyze_offset) Use fold_build2 instead of fold (build.
8176         (create_data_ref): Likewise.
8177         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8178         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8179         then fold.
8180
8181 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
8182
8183         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8184         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8185
8186 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
8187
8188         PR tree-opt/23402
8189         * gimplify.c (zero_sized_type): New function.
8190         (gimplify_modify_expr_rhs): If we have a zero sized type,
8191         replace the statement with an empty statement.
8192
8193 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
8194
8195         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8196         fxsave.
8197
8198 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8199
8200         * doc/tm.texi (Label Output): Correct typo.
8201
8202 2005-08-16  Steven Bosscher  <stevenb@suse.de>
8203
8204         PR target/23376
8205         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8206         force_operand will work later on using have_insn_for.
8207
8208 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8209
8210         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8211
8212 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8213
8214         PR c++/23337
8215         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8216         vector type, don't try to construct it element by element.  Add an
8217         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8218
8219 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8220
8221         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8222
8223 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
8224
8225         * doc/invoke.texi (Precompiled Headers): Document some more options
8226         which are known to be safe.
8227
8228 2005-08-16  James E Wilson  <wilson@specifix.com>
8229
8230         PR tree-optimization/21105
8231         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8232         TREE_OVERFLOW check.
8233
8234 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
8235
8236         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8237         (neg_ltu<mode>): Same.
8238         (gtu<mode>): Same.
8239         (neg_gtu<mode>): Same.
8240
8241 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8242
8243         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8244         (fold_builtin_isdigit): Use fold_buildN.
8245         (build_function_call_expr): Likewise.
8246         * c-typeck.c (c_finish_loop): Likewise.
8247
8248 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
8249             Richard Shann <rshann@superh.com>
8250
8251         PR middle-end/20396:
8252         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8253
8254 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
8255
8256         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8257
8258 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8259
8260         PR target/23355
8261         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8262         arm_compure_save_reg0_reg12_mask to determine when the PIC register
8263         must be saved.
8264
8265 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8266
8267         PR middle-end/23369
8268         * fold-const.c (build_range_check): Disable optimization for function
8269         pointer expressions on targets that require function pointer
8270         canonicalization.
8271
8272 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8273
8274         * simplify-rtx.c (simplify_const_relational_operation): When
8275         extracting arguments of a COMPARE, recompute the mode as well.
8276
8277 2005-08-15  Ian Lance Taylor  <ian@airs.com>
8278
8279         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8280
8281 2005-08-15  DJ Delorie  <dj@redhat.com>
8282
8283         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8284         the stack.
8285         (movsi_splittable): Allow, but split, moves to the stack.
8286         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8287         stack.
8288
8289 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8290
8291         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8292         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8293         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8294
8295         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8296         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8297         Delete HOST_PTR_PRINTF.
8298
8299         * configure, config.in: Regenerate.
8300
8301 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
8302
8303         * config/rs6000/rs6000.md (QHSI): New mode macro.
8304         (wd): Extend mode attr for QImode and HImode
8305         (dbits): New mode attr.
8306         (zero_extend<mode>di2): Convert to mode macro.
8307
8308 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
8309
8310         PR target/21841
8311         * doc/invoke.texi (-mgnu-ld): Update description.
8312         (-mhp-ld): Ditto.
8313
8314 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8315
8316         PR 23391
8317         * Makefile.in (tree-chrec.o): Depends on real.h.
8318         * tree-chrec.c: Include real.h.
8319         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8320         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8321         * tree-scalar-evolution.c (add_to_evolution_1,
8322         interpret_rhs_modify_expr): Ditto.
8323
8324 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8325
8326         PR 23386
8327         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8328         step is negative compute the estimation from init downwards to zero.
8329
8330 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8331
8332         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8333
8334 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8335
8336         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8337         constraint.
8338         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8339         Accept double-word constants that can be split.
8340         * config/s390/s390.md ("movti"): Use 'P' constraint.
8341         ("*movdi_31", "*movdf_31"): Likewise.
8342
8343 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8344
8345         Fix PR tree-optimization/22615
8346
8347         * tree-ssa-structalias.c (solution_set_add): Handle
8348         first_vi_for_offset returning NULL.
8349         (do_da_constraint): Ditto.
8350         (do_sd_constraint): Ditto.
8351         (do_ds_constraint): Ditto
8352         (find_func_aliases): Ditto.
8353         (build_constraint_graph): RHS is allowed be ANYTHING.
8354         (first_vi_for_offset): Return NULL if we couldn't find anything at
8355         the offset.
8356
8357 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8358
8359         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8360         over memory as first operand.
8361
8362 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8363
8364         PR target/23360
8365         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8366         available for setting it.
8367
8368 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8369
8370         PR tree-optimization/23320
8371         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8372         data-refs' types instead of base object nullness. Add check for
8373         pointer type data-refs before first location comparison. Remove
8374         assert.
8375
8376 2005-08-14  Andreas Schwab  <schwab@suse.de>
8377
8378         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8379
8380 2005-08-13  James E Wilson  <wilson@specifix.com>
8381
8382         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8383         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8384         -fstack-protector-all, --param ssp-buffer-size): Document.
8385         (-Wvariadic-macros): Alphabetize.
8386         (-fsched-stalled-insns-dep): Add missing 'f'.
8387
8388         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8389         macros.
8390
8391 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8392
8393         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8394         or indirect address operand.
8395         (EXTRA_ADDRESS_CONSTRAINT): New.
8396         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8397
8398 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8399
8400         PR tree-optimization/22236
8401         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8402         successors and predecessors.
8403         * tree-chrec.c (chrec_convert): Before converting, check that
8404         sequences don't wrap.
8405         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8406         (analyze_array): Extern.
8407         (find_data_references_in_loop): Remove call to
8408         compute_estimated_nb_iterations.
8409         * tree-data-ref.h (analyze_array): Declared.
8410         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8411         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8412         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8413         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8414         condition.
8415         * tree-ssa-loop-ivcanon.c: Fix documentation.
8416         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8417         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8418         (infer_loop_bounds_from_undefined): New.
8419         (estimate_numbers_of_iterations_loop): Use
8420         infer_loop_bounds_from_undefined.
8421         (used_in_pointer_arithmetic_p): New.
8422         (scev_probably_wraps_p): Pass an extra parameter.  Call
8423         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8424         (convert_step): Fix documentation.
8425         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8426         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8427         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8428         scev_probably_wraps_p.
8429
8430 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8431
8432         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8433         (s390_register_info): Ignore clobbered_regs information for fixed
8434         registers, and only fixed registers.
8435         (s390_init_frame_layout): Remove redundant call.
8436
8437 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8438
8439         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8440         description of -Wold-style-casts.
8441
8442 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8443             Jakub Jelinek  <jakub@redhat.com>
8444
8445         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8446         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8447         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8448         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8449         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8450         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8451         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8452         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8453         ("stack_protect_set", "stack_protect_test"): New expanders.
8454         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8455         "stack_protect_testdi"): New insn definitions.
8456
8457 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8458
8459         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8460
8461 2005-08-12  Paul Brook  <paul@codesourcery.com>
8462
8463         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8464
8465 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8466
8467         * config/s390/predicates.md (setmem_operand): New predicate.
8468         (shift_count_operand): Accept ANDs with special constants as
8469         operand.
8470         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8471         with special constants.
8472         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8473         shift_count_operand with setmem_operand.
8474
8475 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8476
8477         * config/s390/s390.c (s390_extract_part, s390_single_part):
8478         Type cast added.
8479         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8480         (s390_output_mi_thunk): Don't use lg on 31 bit.
8481         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8482         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8483
8484 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8485
8486         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8487         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8488         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8489         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8490         with one of the new macros.
8491
8492 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8493
8494         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8495         Don't set save_return_addr_p.
8496         (s390_register_info): Make clobbered_regs not depending on
8497         save_return_addr_p.
8498
8499 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8500
8501         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8502         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8503
8504 2005-08-11  James E. Wilson  <wilson@specifix.com>
8505
8506         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8507
8508 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8509
8510         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8511         locations gathered by var-tracking in single entry loc_list
8512         over loc_descriptor_from_tree.
8513
8514         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8515         pass it down to loc_descriptor.
8516         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8517         (containing_function_has_frame_base): Move earlier in the file.
8518         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8519         instead of always assuming fbreg can't be used.
8520
8521 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8522
8523         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8524         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8525         Accept address wrapped in AND for Altivec.
8526         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8527         Strip AND wrapping offset address for Altivec.
8528
8529 2005-08-11  Richard Henderson  <rth@redhat.com>
8530
8531         PR middle-end/23312
8532         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8533         before using TYPE_IS_SIZETYPE.
8534
8535 2005-08-11  Richard Henderson  <rth@redhat.com>
8536
8537         PR target/22225
8538         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8539         insn types not present on ev4.
8540         (alphaev5_insn_pipe): Similarly.
8541
8542 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8543
8544         PR target/23250
8545         * arm.c (arm_override_options): If the user has selected callee-super-
8546         interworking, then enable normal interworking.
8547
8548 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8549
8550         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8551         redefinition.
8552
8553 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8554
8555         * doc/rtl.texi: Fix two typos.
8556
8557 2005-08-11  Richard Guenther  <rguenther@suse.de>
8558
8559         PR target/23289
8560         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8561         cases where we call to/from functions returning void.
8562
8563 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8564
8565         PR c++/23225
8566         * tree.c (build_pointer_type_for_mode): Robustify.
8567
8568 2005-08-10  James E Wilson  <wilson@specifix.com>
8569
8570         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8571         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8572
8573         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8574         "cum->".
8575
8576 2005-08-10  Eric Christopher  <echristo@apple.com>
8577
8578         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8579         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8580         V2DFmode.
8581
8582 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8583
8584         PR target/21887
8585         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8586         for the high part when generating dynamic-no-pic code.
8587
8588 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8589
8590         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8591         (x86_64-*-linux*): Likewise.
8592
8593         * config/i386/crtfastmath.c: New file.
8594         * config/i386/t-crtfm: Likewise.
8595
8596         * config/i386/linux.h (ENDFILE_SPEC): New.
8597         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8598
8599         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8600         crtfastmath.o.
8601
8602 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8603
8604         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8605         (vec_shl, vec_shr): Document new operations.
8606         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8607
8608 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8609
8610         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8611         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8612         change predicate to indexed_or_indirect_address.
8613
8614 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8615
8616         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8617         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8618         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8619         and __aeabi_uwrite8.
8620         * config/arm/unaligned-funcs.c: New file.
8621         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8622
8623 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8624
8625         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8626         Add dump.
8627         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8628         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8629         Add dump.
8630         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8631         * final.c (pass_shorten_branches): Add dump.
8632         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8633         (pass_life): Rename dump.
8634         (rest_of_handle_flow2): Remove initial verify_flow_info.
8635         * function.c (pass_instantiate_virtual_regs): Add dump.
8636         * integrate.c (pass_initial_value_sets): Add dump.
8637         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8638         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8639         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8640         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8641         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8642         gate_rtl_unrool_and_peel_loops): New.
8643         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8644         rtl_doloop): Do not look at flags.
8645         * mode-switching.c (pass_mode_switching): Add dump.
8646         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8647         pass_split_before_regstack): Add dump.
8648         * regmove.c (pass_stack_adjustments): Add dump.
8649         * tree-optimize.c (pass_fixup_cfg): Add dump.
8650
8651 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8652
8653         PR 23309
8654         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8655         deciding which instruction sequence to use.
8656
8657 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8658
8659         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8660         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8661
8662 2005-08-09  Richard Guenther  <rguenther@suse.de>
8663
8664         * c-common.c (builtin_function_2): Remove.
8665         (def_builtin_1): New function.
8666         (c_common_nodes_and_builtins): Use def_builtin_1 to
8667         build builtin functions.
8668
8669 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8670
8671         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8672         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8673         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8674         Visual DSP.
8675
8676 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8677
8678         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8679         fold_binary instead of fold_build2 since we don't care about the
8680         resulting tree.
8681         (loop_niter_by_eval): Likewise.
8682         (compare_trees): Likewise.
8683         (proved_non_wrapping_p): Likewise.
8684
8685 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8686
8687         PR c/23161
8688         PR c/23165
8689         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8690         if the if is really empty.
8691
8692 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8693
8694         PR tree-optimization/23234
8695         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8696         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8697         argument of the new enum.
8698         (execute_cse_reciprocals): Add reciprocals for function arguments
8699         on the unique successor edge of the entry block.  Update other calls
8700         to execute_cse_reciprocals_1.
8701
8702 2005-08-08  Richard Henderson  <rth@redhat.com>
8703
8704         PR 22439
8705         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8706
8707 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8708
8709         * expr.c (write_complex_part): Return after handling MEM.
8710
8711 2005-08-08  Josh Conner  <jconner@apple.com>
8712
8713         PR rtl-optimization/23241
8714         * combine.c (simplify_comparison): Fix error in determining
8715         whether to lift a subreg from comparison.
8716
8717 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8718
8719         PR target/18506
8720         * config/rs6000/altivec.md (vec_init<mode>): New.
8721         (vec_set<mode>): New.
8722         (vec_extract<mode>): New.
8723         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8724         (rs6000_expand_vector_set): New.
8725         (rs6000_expand_vector_extract): New.
8726         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8727         for Altivec modes before reload.
8728         (altivec_expand_vec_init_builtin): New.
8729         (get_element_number): New.
8730         (altivec_expand_vec_set_builtin): New.
8731         (altivec_expand_vec_ext_builtin): New.
8732         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8733         builtins.
8734         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8735         builtins.
8736         * config/rs6000/rs6000.h (rs6000_builtins): Add
8737         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8738         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8739         * config/rs6000/rs6000-protos.h: Declare new functions.
8740
8741 2005-08-08  Jan Hubicka  <jh@suse.cz>
8742
8743         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8744         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8745         * i386.md (movdi*): Use pic_32bit_operand.
8746         * predicates.md (pic_32bit_operand): New.
8747
8748 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8749
8750         PR c++/21166
8751         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8752
8753 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8754
8755         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8756         (test_for_singularity): Use fold_build2.
8757
8758 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8759
8760         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8761
8762 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8763
8764         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8765         (COMMON_ASM_OP) Define.
8766         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8767         (ix86_encode_section_info): Likewise.
8768         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8769         SUBTARGET_ENCODE_SECTION_INFO.
8770
8771 2005-08-06  Richard Henderson  <rth@redhat.com>
8772
8773         PR 21894
8774         * tree-nested.c (convert_local_reference): Save and restore val_only
8775         around component_ref and friends.  Clear walk_subtrees by default.
8776
8777 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8778
8779         PR 21366
8780         * gcc.c (process_command): Check the argument to -b has a dash.
8781         * doc/invoke.texi: Update -b and -V docs.
8782
8783 2005-08-06  James E Wilson  <wilson@specifix.com>
8784
8785         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8786
8787 2005-08-06  Michael Matz  <matz@suse.de>
8788
8789         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8790         member only if only one insn is associated with the value.
8791
8792 2005-08-06  Nick Clifton  <nickc@redhat.com>
8793
8794         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8795         New define.
8796         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8797         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8798         Check symbol flags instead of symbol name mangling.
8799         (xstormy16_asm_output_aligned_common): Likewise.  Also
8800         simplify code since the bss100_section cass is the only case
8801         where the below100 code will be triggered.
8802         (xstormy16_encode_section_info): Encode below100 attribute
8803         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8804         the name.
8805         (xstormy16_strip_name_encoding): Delete - this function is no
8806         longer needed.
8807         (TARGET_STRIP_NAME_ENCODING): Undefine.
8808         * config/stormy16/stormy16-protos.h: Delete prototype for
8809         xstormy16_strip_name_encoding.
8810
8811 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8812
8813         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8814         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8815         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8816         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8817         config/alpha/predicates.md, config/arc/arc.h,
8818         config/arm/arm.h, config/arm/ieee754-df.S,
8819         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8820         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8821         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8822         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8823         config/m68hc11/m68hc11.h, config/mips/mips.c,
8824         config/mips/mips.h, config/mips/openbsd.h,
8825         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8826         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8827         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8828         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8829         config/sparc/linux.h, config/sparc/linux64.h,
8830         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8831         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8832         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8833         typos.  Follow spelling conventions.
8834
8835 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8836
8837         PR c/23113
8838         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8839         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8840         specially.  Check for side effects only for COND_EXPR.
8841         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8842         return with TREE_NO_WARNING.
8843
8844 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8845
8846         PR rtl-optimization/23233
8847         * loop.c (combine_movables): Require the modes to be the same.
8848         (move_movables): Remove handling of cases where the replacement
8849         had a different mode to the original.
8850
8851 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8852
8853         PR tree-optimization/23128
8854         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8855         subtraction wrap, and set TREE_OVERFLOW if they do.
8856
8857 2005-08-05  Richard Henderson  <rth@redhat.com>
8858
8859         PR 21728
8860         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8861         FORCED_LABEL labels.
8862
8863 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8864
8865         PR middle-end/23135
8866         * reload.c (find_reloads_subreg_address): Pass down TYPE
8867         unchanged.  Change all callers except find_reloads_toplev.
8868
8869 2005-08-05  Michael Matz  <matz@suse.de>
8870
8871         * genattrtab.c (current_alternative_string): Remove.
8872         (SIMPLIFY_ALTERNATIVE): Ditto.
8873         (attr_alt_bit_p): Ditto.
8874         (alternative_name): Make const char *.
8875         (evaluate_eq_attr): Remove use of above things.
8876         (simplify_test_exp): Ditto.
8877         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8878         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8879
8880 2005-08-04  James E Wilson  <wilson@specifix.com>
8881
8882         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8883         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8884         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8885         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8886         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8887
8888 2005-08-04  Richard Henderson  <rth@redhat.com>
8889
8890         PR 21529
8891         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8892         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8893         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8894         if we'd have to instantiate too many members.
8895
8896 2005-08-04  Richard Henderson  <rth@redhat.com>
8897
8898         PR 21291
8899         * tree-outof-ssa.c (coalesce_asm_operands): New.
8900         (coalesce_ssa_name): Use it.  Split out ...
8901         (coalesce_phi_operands, coalesce_result_decls): ... these.
8902
8903 2005-08-04  Paul Brook  <paul@codesourcery.com>
8904
8905         * read-rtl.c (read_quoted_string): Break if EOF.
8906
8907 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8908
8909         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8910         (fold_build2): Likewise.
8911         (fold_build3): Likewise.
8912         (fold_build1_stat): New function prototype.
8913         (fold_build2_stat): Likewise.
8914         (fold_build3_stat): Likewise.
8915         * fold-const.c (fold_build1): Rename to ..
8916         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8917         through to build1_stat.
8918         (fold_build2): Rename to ..
8919         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8920         through to build2_stat.
8921         (fold_build3): Rename to ..
8922         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8923         through to build3_stat.
8924
8925 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8926             Ian Lance Taylor  <ian@airs.com>
8927
8928         * function.c (assign_stack_local_1): Do not correct stack slot
8929         address if allocation size is smaller than mode size.
8930
8931 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8932
8933         PR 22037
8934         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8935         (tree_merge_blocks): Propagate anything allowed by
8936         may_propagate_copy.
8937         Clarify documentation.
8938         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8939         SSA form, schedule an update if necessary.
8940
8941 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8942
8943         * doc/install.texi (Binaries): Remove broken link to
8944         Sinix/Reliant Unix binaries.
8945
8946 2005-08-03  Richard Henderson  <rth@redhat.com>
8947
8948         PR 23221
8949         * function.c (stack_protect_epilogue): Export.
8950         * tree.h (stack_protect_epilogue): Declare.
8951         * calls.c (expand_call): Call it.
8952
8953 2005-08-03  Eric Christopher  <echristo@apple.com>
8954
8955         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8956         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8957         spec.
8958
8959 2005-08-04  Jan Hubicka  <jh@suse.cz>
8960
8961         * profile.c (branch_prob): Split edges with goto locus on them
8962         to get proper line counts.
8963         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8964
8965 2005-08-03  Paul Brook  <paul@codesourcery.com>
8966
8967         * function.c (assign_parms): Round current_function_args_size
8968         to PARM_BOUNDARY, not STACK_BOUNDARY.
8969
8970 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8971
8972         * config/i386/i386.c (x86_elf_aligned_common)
8973         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8974
8975 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8976
8977         PR tree-optimization/23157
8978         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8979         before emitting them.
8980
8981 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8982
8983         PR tree-optimization/19899
8984         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8985         * tree-scalar-evolution.c: Include real.h.
8986         (add_to_evolution): Build constant -1 of correct type.
8987
8988 2005-08-03  Jan Hubicka  <jh@suse.cz>
8989
8990         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8991         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8992         profile updating for complette unrolling.
8993         * loop-unroll.c (peel_loop_completely): Use it.
8994         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8995         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8996         loops.
8997
8998 2005-08-03  Paul Brook  <paul@codesourcery.com>
8999
9000         * combine.c (can_change_dest_mode): New function.
9001         (try_combine, simplify_set): Use it.
9002
9003 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
9004
9005         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9006         TFmode to BLKmode.
9007
9008 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
9009
9010         * doc/install.texi (Specific): Adjust link to openavr.org.
9011         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9012         (Binaries): Adjust HP-UX Porting Center link.
9013         (Binaries): Adjust Free Software Foundation ordering link.
9014
9015 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
9016
9017         * convert.c (convert_to_integer): Use fold_build1 instead of
9018         build1 when converting an integer to an integer.
9019
9020 2005-08-02  Richard Henderson  <rth@redhat.com>
9021
9022         * combine.c (combine_instructions): Don't use reg_equal/equiv
9023         results if the mode doesn't match.
9024
9025 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
9026
9027         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9028         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9029
9030 2005-08-02  Richard Henderson  <rth@redhat.com>
9031
9032         PR 23196
9033         * explow.c (memory_address): Remove special-case for
9034         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9035
9036 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
9037
9038         PR 23164
9039         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9040         number of calls to cleanup_tree_cfg_1.
9041
9042 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
9043
9044         * doc/invoke.texi: document file extensions .F90 and .F95
9045
9046 2005-08-02  Richard Guenther  <rguenther@suse.de>
9047
9048         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9049         positive if its first argument is positive.
9050
9051 2005-08-02  Richard Guenther  <rguenther@suse.de>
9052
9053         PR tree-optimization/23177
9054         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9055         on TMR_TAG.
9056
9057 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
9058
9059         PR tree-optimization/23129
9060         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9061         varying for divisions with anti-ranges.
9062
9063 2005-08-02  Jan Hubicka  <jh@suse.cz>
9064
9065         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9066         * tree-ssa-threadupdate.c (thread_block): Add it here.
9067
9068 2005-08-01  James E Wilson  <wilson@specifix.com>
9069
9070         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9071         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9072         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9073         New.
9074         * config/mips/predicates.md (const_call_insn_operand): Add check for
9075         SYMBOL_REF_LONG_CALL_P.
9076         * doc/extend.texi (long_call): Document the new attribute.
9077
9078 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9079             Richard Henderson  <rth@redhat.com>
9080
9081         * Makefile.in (RTL_BASE_H): Add real.h.
9082         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9083         instead of memcpy.
9084         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9085         directly.
9086         * rtl.c (rtl_check_failed_code_mode): New.
9087         * rtl.h (struct rtx_def): Add u.rv.
9088         (XCMWINT, XCNMPRV): New.
9089         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9090         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9091
9092 2005-08-01  Richard Henderson  <rth@redhat.com>
9093
9094         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9095         with auto-inc codes.
9096
9097         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9098
9099 2005-08-01  Jan Hubicka  <jh@suse.cz>
9100
9101         * i386-protos.h (asm_preferred_eh_data_format): Declare.
9102         * i386.c: Include dwarf2.h
9103         (asm_preferred_eh_data_format): New.
9104         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9105
9106 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9107
9108         * config/host-linux.c (linux_gt_pch_get_address): Add new name
9109         randomize_va_space for virtual address randomization control.
9110
9111 2005-08-01  Steven Bosscher  <stevenb@suse.de>
9112
9113         * common.opt (flag_ipa_cp): Put in right place to maintain
9114         alphabetic sort.
9115
9116 2005-08-01  Jan Hubicka  <jh@suse.cz>
9117
9118         * profile.c (compute_value_histograms): Fix thinko.
9119         * value-prof.c: Include toplev.h
9120         (check_counter): New function.
9121         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9122         tree_mod_subtract_transform): Add sanity check.
9123
9124 2005-08-01  Richard Guenther  <rguenther@suse.de>
9125
9126         PR tree-optimization/23133
9127         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9128         current functions parameter decls to find defs to cse
9129         reciprocals of.
9130
9131 2005-08-01  Richard Guenther  <rguenther@suse.de>
9132
9133         PR tree-optimization/23109
9134         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9135         If trapping math is in effect, use post-dominator information
9136         to check if we'd in any case reach a trapping point before
9137         doing the reciprocal insertion.
9138         (execute_cse_reciprocals): Compute post-dominators, if necessary.
9139         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9140         expressions are invariant only if trapping math is not in effect.
9141
9142 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9143
9144         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9145         cgraph_function_versioning): New declarations.
9146         * cgraphunit.c: Add include to ipa-prop.h.
9147         (update_call_expr, cgraph_copy_node_for_versioning,
9148         cgraph_function_versioning): New functions.
9149         * integrate.c (copy_decl_for_inlining): Remove.
9150         * ipa-prop.h (ipa_replace_map): New struct.
9151         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9152         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9153         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9154         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9155         ipcp_iterate_stage, ipcp_method_scale_print,
9156         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9157         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9158         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9159         ipcp_update_bb_counts, ipcp_update_profiling,
9160         ipcp_update_edges_counts): New functions.
9161         (ipcp_method_cval_init): Remove restriction regarding local methods.
9162         (ipcp_init_stage): Add ipcp_method_compute_scale.
9163         (ipcp_insert_stage): Add versioning.
9164         (ipcp_structures_print): Add ipcp_method_scale_print.
9165         (ipcp_driver): Dump profiling info.
9166         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9167         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9168         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9169         (struct inline_data): Add versioning_p, ipa_info, new fields.
9170         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9171         declare_return_variable): Replace calls to copy_decl_for_inlining with
9172         copy_decl_for_dup.
9173         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9174         versioning support.
9175         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9176         Add argument VERSIONING.
9177         (copy_arguments_for_versioning, copy_static_chain,
9178         function_versionable_p, tree_versionable_function_p,
9179         tree_function_versioning, replace_ref_tree): New functions.
9180         * tree-inline.h: Include varray.h.
9181         (tree_versionable_function_p,  tree_function_versioning,
9182         tree copy_decl_for_dup): New declarations.
9183
9184 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9185
9186         * ipa-cp.c: New file. Contains IPCP specific functionality.
9187         * ipa-prop.h: New file. Contains structures/definitions that can be
9188         used by several interprocedural data flow optimizations (and also IPCP).
9189         * ipa-prop.c: New file.
9190         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9191         * common.opt: Add ipa-cp flag.
9192         * timevar.def: Add IPCP optimization.
9193         * tree-optimize.c (init_tree_optimization_passes): Schedule
9194         pass_ipa_cp.
9195         * tree-pass.h (pass_ipa_cp): Declare.
9196
9197 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
9198
9199         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9200         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9201         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9202         config/i386/i386.c, config/mips/mips.h,
9203         config/rs6000/rs6000.h, config/sh/sh.c,
9204         config/stormy16/stormy16.c: Fix comment typos.
9205
9206 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
9207
9208         PR c/22311
9209         * c-typeck.c (build_binary_op): Use common_type wrapper on
9210         shortened types.
9211         (common_type): Update comment.
9212
9213 2005-07-31  Steven Bosscher  <stevenb@suse.de>
9214
9215         PR target/23095
9216         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9217         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9218         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9219
9220 2005-07-31  Jan Hubicka  <jh@suse.cz>
9221
9222         * pretty-print.h (pp_widest_integer): New macro.
9223         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9224         counts.
9225
9226 2005-07-31  Jan Hubicka  <jh@suse.cz>
9227
9228         * output.h (enum section_category): Export from varasm.c
9229         (categorize_decl_for_section): Likewise.
9230         * varasm.c (enum section_category): Kill.
9231         (categorize_decl_for_section): Make global.
9232         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9233         Declare.
9234         * i386.c (ix86_section_threshold): New static variable.
9235         (ix86_in_large_data_p, ix86_encode_section_info,
9236         x86_64_elf_unique_section,
9237         x86_64_elf_select_section): New functions.
9238         (TARGET_ENCODE_SECTION_INFO): Define
9239         (override_options): Enable medium model for PIC.
9240         (ix86_expand_prologue): Expand gen_set_got_rex64.
9241         (legitimate_constant_p): Handle new UNSPECs.
9242         (legitimate_pic_address_disp_p): Likewise.
9243         (legitimize_pic_address): Lower MEDIUM model addressing.
9244         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9245         (enum cmodel): Add MEDIUM_PIC.
9246         (SYMBOL_REF_FAR_ADDR_P): New macro.
9247         (SYMBOL_FLAG_FAR_ADDR): New flag.
9248         * i386.md (movdi): Support medium model.
9249         (set_got_rex64): New pattern.
9250         * i386.opt (mlarge-data-threshold): New flag.
9251         * predicates.md (zext_operand/sext_operand): Deal with medium model.
9252         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9253         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9254         TARGET_ASM_UNIQUE_SECTION): New.
9255
9256         * invoke.texi (-mlarge_data_threshold): Document
9257
9258 2005-07-31  Jan Hubicka  <jh@suse.cz>
9259
9260         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9261         (coalesce_vars): Likewise.
9262         * tree-ssa-live.c (coalesce_cost): New.
9263         (build_tree_conflict_graph): Use coalesce_cost.
9264         * tree-ssa-live.h (coalesce_cost): Declare.
9265
9266 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9267
9268         * arm.md (all peepholes for post-increment operations): Delete.
9269         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9270         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9271         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9272         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9273         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9274
9275 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9276
9277         * fold-const.c (tree_expr_nonnegative_p): Always return true for
9278         non-integral types.
9279
9280 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9281
9282         PR target/22582
9283         * doc/invoke.texi: Document -rdynamic.
9284
9285 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9286
9287         PR c/23143
9288         * c-parser.c (c_parser_parms_list_declarator): Call
9289         mark_forward_parm_decls.
9290         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9291         decls with visibility structure.
9292
9293 2005-07-30  Paul Brook  <paul@codesourcery.com>
9294
9295         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9296
9297 2005-07-30  Paul Brook  <paul@codesourcery.com>
9298
9299         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9300         prototype.
9301         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9302         value for mode.
9303         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9304
9305 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9306
9307         PR c/529
9308         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9309         nested function declarators.
9310         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9311         (grokparms): Call warn_if_shadowing for parameters used within the
9312         parameter list.
9313         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9314         not used within the parameter list.
9315         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9316
9317 2005-07-30  Jan Hubicka  <jh@suse.cz>
9318
9319         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9320         * i386.c (ix86_fixup_binary_operands): Likewise.
9321         (ix86_expand_unary_operator): Likewise.
9322         (ix86_expand_fp_absneg_operator): Likewise.
9323         * optabs.c (expand_vec_cond_expr): Validate dest.
9324
9325 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9326
9327         PR c/21720
9328         * real.c (real_from_string): Also set last bit if there is a
9329         nonzero hex digit beyond GCC's internal precision after ".".
9330
9331 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9332
9333         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9334         define_constants.  Change duplicate values to unassigned numbers.
9335         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9336         (*altivec_vspltsf): New.
9337         (altivec_vperm_v4sf): Delete.
9338         (altivec_vperm_<mode>): Use mode macro V.
9339         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9340         (altivec_predicate_v4sf): Delete.
9341         (altivec_predicate_<mode>): Use mode macro V.
9342         (*altivec_lvesfx): New.
9343         (*altivec_stvesfx): New.
9344         (vec_realign_load_v4sf): Delete.
9345         (vec_realign_load_<mode>): Use mode macro V.
9346         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9347         UNSPECV_SET_VRSAVE.
9348
9349 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9350
9351         PR bootstrap/23131
9352         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9353         string.
9354         * configure: Regenerated.
9355
9356 2005-07-29  Paul Brook  <paul@codesourcery.com>
9357
9358         * doc/install.texi: Add link to GFortran binaries wiki page.
9359
9360 2005-07-29  David Ung  <davidu@mips.com>
9361
9362         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9363         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9364         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9365         * config/mips/mips.md (cpu): Add 5kf name.
9366         (includes): Includes 5k.md.
9367         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9368         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9369         -march flag.
9370
9371 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9372
9373         PR 22550
9374         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9375         (cleanup_tree_cfg): ... here.
9376         Call cleanup_tree_cfg_1 until there are no more cleanups to
9377         do.
9378
9379 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9380
9381         * tree-vrp.c (compare_range_with_value): Return true or false
9382         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9383         EQ_EXPR respectively.
9384
9385 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9386
9387         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9388         Fix comment typos.
9389
9390 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9391
9392         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9393         (tree_ssa_dominator_optimize): Increment it.
9394         (dump_dominator_optimization_stats): Print it.
9395
9396 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9397             Steven Bosscher  <stevenb@suse.de>
9398
9399         PR rtl-optimization/23117
9400         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9401         when head == tail.  Tidy comment.
9402
9403 2005-07-28  Richard Henderson  <rth@redhat.com>
9404
9405         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9406         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9407         * jump.c (rtx_renumbered_equal_p): Likewise.
9408         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9409         CONST_INT and CONST_DOUBLE.
9410         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9411         * reload.c (operands_match_p): Special case CONST_INT and
9412         CONST_DOUBLE; check mode earlier.
9413
9414 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9415
9416         PR c/22240
9417         * c-typeck.c (convert_for_assignment): Do not check
9418         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9419
9420 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9421
9422         PR c/22192
9423         * c-typeck.c (composite_type): Prefer constant size arrays to
9424         VLAs.
9425
9426 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9427
9428         PR c/21720
9429         * real.c (real_from_string): Set last bit if there is a nonzero
9430         hex digit beyond GCC's internal precision.
9431
9432 2005-07-28  Richard Henderson  <rth@redhat.com>
9433
9434         PR rtl-opt/22619
9435         * cfgcleanup.c (try_forward_edges): Watch out for end of
9436         insn chain.
9437
9438 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9439
9440         PR c/23106
9441         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9442
9443 2005-07-28  Jan Hubicka  <jh@suse.cz>
9444
9445         * Makefile.in (rtl-profile.o): Kill all traces of it.
9446         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9447         * coverage.h (rtl_coverage_counter_ref): Kill.
9448         * opts.c (flag_speculative_prefetching_set): Kill.
9449         (flag_loop_optimize_set): New.
9450         (common_handle_option): Disable loop optimizer when profiling;
9451         do not handle speculative prefetching.
9452         * passes.c (init_optimization_passes): Replace pass_profiling combo
9453         by branch_prob pass.
9454         * profile.c (compute_value_histograms): Update for simplified value
9455         profiles.
9456         (rtl_register_profile_hooks): Kill.
9457         (pass_profiling): Kill.
9458         (rest_of_handle_branch_prob): Do not profile.
9459         * toplev.c (process_options): Remove speculative prefetching.
9460         * toplev.h (flag_tree_based_profiling): Kill.
9461         * tree-profile.c (prepare_instrumented_value,
9462         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9463         tree_gen_one_value_profiler, do_tree_profiling): Update for
9464         simplified datastructures.
9465         * value-prof.c: Add comment that speculative prefetching was dropped;
9466         update rest of file for simplified datastructures.
9467         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9468         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9469         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9470         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9471         rtl_mod_subtract, gen_speculative_prefetch,
9472         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9473         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9474         (gate_handle_value_profile_transformations,
9475         rest_of_handle_value_profile_transformations,
9476         pass_value_profile_transformations): Kill.
9477         * value-prof.h (histogram_value_t): Remove IL based unions.
9478         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9479         rtl_profile_hooks): Remove hooks.
9480
9481         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9482
9483         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9484         (cgraph_clone_node): Likewise.
9485         * cgraph.h (cgraph_clone_edge): Update prototype.
9486         (cgraph_clone_node): Likewise.
9487         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9488         cgraph_clone_node.
9489         (lookup_recursive_calls): Consider profile.
9490         (cgraph_decide_recursive_inlining): Fix updating; use new
9491         probability argument; use profile.
9492         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9493         * tree-inline.c (copy_bb): Update clal of clone_edge.
9494         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9495
9496         * invoke.texi (min-inline-recursive-probability): Document.
9497
9498 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9499
9500         * doc/install.texi (Configuration): Update Valgrind homepage.
9501
9502 2005-07-28  Richard Henderson  <rth@redhat.com>
9503
9504         PR middle-end/21362
9505         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9506         labels we want to delete.
9507         (cfg_layout_merge_blocks): Likewise.
9508
9509 2005-07-28  Richard Henderson  <rth@redhat.com>
9510
9511         PR target/17692
9512         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9513         when expanding to nothing.
9514
9515 2005-07-28  Josh Conner  <jconner@apple.com>
9516
9517         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9518         (cgraph_decide_inlining_of_small_functions): Likewise.
9519
9520 2005-07-28  Josh Conner  <jconner@apple.com>
9521
9522         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9523         direction of badness if negative.
9524         (cgraph_default_inline_p): Add reason to parameters, and assign it
9525         a value.
9526         (cgraph_decide_inlining_of_small_functions): New parameter in call
9527         to cgraph_default_inline_p.
9528         (cgraph_decide_inlining_incrementally): Likewise.
9529         * cgraphunit.c (decide_is_function_needed): Likewise.
9530         * cgraph.h (cgraph_default_inline_p): Likewise.
9531
9532 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9533
9534         * builtins.c: Fix comment typo(s).
9535         * genautomata.c: Likewise.
9536         * gimplify.c: Likewise.
9537         * tree-dfa.c: Likewise.
9538         * tree-flow-inline.h: Likewise.
9539         * tree-into-ssa.c: Likewise.
9540         * tree-ssa-alias.c: Likewise.
9541         * tree-ssa-ccp.c: Likewise.
9542         * tree-ssa-copy.c: Likewise.
9543         * tree-ssa-dce.c: Likewise.
9544         * tree-ssa-dom.c: Likewise.
9545         * tree-ssa-operands.c: Likewise.
9546         * tree-tailcall.c: Likewise.
9547         * tree-vectorizer.c: Likewise.
9548         * tree-vrp.c: Likewise.
9549         * tree.c: Likewise.
9550
9551 2005-07-28  Jeff Law  <law@redhat.com>
9552
9553         * tree-vrp.c (test_for_singularity): Extracted from  ...
9554         (simplify_cond_using_ranges): Attempt to simplify a relational
9555         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9556
9557 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9558
9559         PR tree-optimization/22506
9560         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9561         phis whose argument is constant.
9562
9563 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9564
9565         PR rtl-optimization/18992
9566         Back out this patch:
9567           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9568           PR optimization/12142
9569           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9570           uses of the register in the SET_SRC.  Remove unnecessary argument.
9571
9572         Replace it with this:
9573         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9574         if flag_non_call_exceptions is set and the insn may trap, pass
9575         pc_rtx as dest for recursion.
9576         In SET_SRC part of SET case, if dest is already set, pass it down
9577         unchanged.
9578
9579 2005-07-28  Jan Hubicka  <jh@suse.cz>
9580
9581         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9582         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9583         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9584         roundoff errors.
9585         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9586         profile when available.
9587
9588 2005-07-28  Jan Beulich <jbeulich@novell.com>
9589
9590         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9591         (ia64_print_operand): Describe and handle 'X'.
9592         (ia64_register_move_cost): Also handle FP_REGS.
9593         (ia64_preferred_reload_class): Likewise.
9594         (ia64_secondary_reload_class): Likewise.
9595         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9596         it. Also check for ITANIUM_CLASS_FLDP.
9597         * config/ia64/ia64.h (FP_REGNO_P): New.
9598         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9599         (reg_class): Add FP_REGS.
9600         (REG_CLASS_NAMES): Adjust for it.
9601         (REG_CLASS_CONTENTS): Likewise.
9602         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9603         (REG_CLASS_FROM_LETTER): Handle 'x'.
9604         (CLASS_MAX_NREGS): Handle FP_REGS.
9605         (MEMORY_MOVE_COST): Likewise.
9606         * config/ia64/ia64.md (itanium_class): Add fldp.
9607         (type): Handle fldp.
9608         (movti_internal): More allowable operand combinations. Use ldfp8 when
9609         splitting unnecessary. Remove predicable attribute. Adjust
9610         itanium_class attribute.
9611         (smuldi3_highpart): Remove outdated comment.
9612         (mulditi3, umulditi3, rotlti3): New expanders.
9613         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9614         (absti2): Disabled new insn for future reference.
9615         Respective new splitters.
9616         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9617         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9618         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9619
9620 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9621
9622         PR rtl-optimization/23047
9623         * simplify-rtx.c (simplify_const_relational_operation): Respect
9624         flag_wrapv for comparisons with ABS.
9625
9626 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9627
9628         PR tree-optimization/22493
9629         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9630         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9631
9632 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9633
9634         * config/frv/frv.opt (moptimize-membar): New.
9635
9636         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9637
9638         * config/frv/frv.h: Remove machine_function definition.
9639
9640         * config/frv/frv.c (struct frv_io): New.
9641         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9642         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9643         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9644         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9645         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9646         (frv_reorg): Call frv_optimize_membar when appropriate.
9647         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9648         (frv_expand_builtin): Adjust calls accordingly.
9649         (frv_io_address_cookie): New function.
9650         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9651         load or store rather than a special insn.  Add ccnstant address and
9652         io-type operands to the membar.
9653         (frv_ifcvt_modify_tests): Unsign regno.
9654         (frv_ifcvt_modify_tests): Same.
9655
9656         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9657         UNSPEC_OPTIONAL_MEMBAR constant.
9658         (builtin_read_<mode>): Delete.
9659         (builtin_write_<mode>): Delete.
9660         ("optional_membar_<mode>"): Add operand.
9661
9662         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9663         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9664         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9665         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9666         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9667         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9668         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9669         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9670         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9671
9672 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9673
9674         * df.c (df_uses_record): Handle SCRATCH.
9675
9676 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9677
9678         PR debug/20161
9679         * passes.c (rest_of_decl_compilation): If decl is a type and
9680         we have encountered errors, don't emit debug information.
9681
9682 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9683
9684         * params.def: Fixed comment.
9685
9686 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9687
9688         PR target/19885
9689         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9690         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9691         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9692
9693 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9694
9695         PR c++/22003
9696         * varasm.c (assemble_start_function): Don't do anything that may
9697         require a CFG if the current function is a thunk.
9698
9699 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9700
9701         * doc/install.texi (Prerequisites): Mention that perl is needed
9702         to do export control in libstdc++ targetting Darwin.
9703
9704 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9705
9706         PR rtl-optimization/17808
9707         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9708         (sched_insns_conditions_mutex_p): Split out from...
9709         (add_dependence): ...here.  But don't call it from here.
9710         (add_dependence_list): Check sched_insns_conditions_mutex_p
9711         before calling add_dependence.
9712         (add_dependence_list_and_free): Likewise.
9713         (fixup_sched_groups): Likewise.
9714         (sched_analyze_1): Likewise.
9715         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9716         (sched_analyze): Likewise.
9717         (sched_analyze_insn): Likewise.
9718         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9719         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9720         dependencies on all COND_EXEC insns to jumps ending basic blocks
9721         when doing intrablock scheduling.
9722         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9723
9724 2005-07-27  Jeff Law  <law@redhat.com>
9725
9726         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9727         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9728         equivalency sets, correctly handle the case were vr0 has an
9729         equivalency set, but vr1 does not.
9730
9731 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9732
9733         PR tree-optimization/23073
9734         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9735         vect_print_dump_info before fprintf.
9736
9737 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9738
9739         PR tree-optimize/22348
9740         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9741         Fold the partial computation.
9742
9743 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9744
9745         PR tree-optimization/22325
9746         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9747         Declare.
9748         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9749         value replacement.
9750         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9751         (force_var_cost): ... this function.
9752         (compute_phi_arg_on_exit): Export.
9753
9754 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9755
9756         PR tree-optimization/20773
9757         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9758         edge.
9759
9760 2005-07-27  Richard Guenther  <rguenther@suse.de>
9761
9762         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9763         Avoid pushing again if current struct contains only
9764         fields we decomposed.
9765
9766 2005-07-27  Jan Hubicka  <jh@suse.cz>
9767
9768         PR tree-optimization/22574
9769         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9770         not available.
9771
9772         * tree-tailcall.c (decrease_profile): New function.
9773         (eliminate_tail_call): Use it.
9774
9775         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9776         visibility flags correctly in whole program mode.
9777
9778 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9779
9780         PR rtl-optimization/22472
9781         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9782
9783 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9784
9785         PR tree-optimization/22504
9786         * tree-complex.c (expand_complex_addition): Use 'code' instead
9787         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9788
9789 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9790
9791         * config.gcc (cpu_type): Add frv case.
9792         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9793         (supported_defaults): Add fr550 case.
9794
9795 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9796
9797         PR 22591
9798         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9799         whether a pointer of type T * may point to objects of type T *.
9800
9801 2005-07-26  DJ Delorie  <dj@redhat.com>
9802
9803         * configure: Regenerate.
9804
9805 2005-07-26  Dale Johannesen  <dalej@apple.com>
9806
9807         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9808
9809 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9810
9811         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9812         Clarify use of "build" in name.
9813
9814 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9815
9816         * doc/extend.texi (Raw read/write Functions): New section.
9817         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9818         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9819         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9820         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9821         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9822         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9823         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9824         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9825         * config/frv/frv.c: Add bdesc_loads global.
9826         Add bdesc_stores global.
9827         (frv_init_builtins): Add support for __builtin_{read/write}*.
9828         (frv_volatile_memref): New.
9829         (frv_expand_load_builtin): New.
9830         (frv_expand_store_builtin): New.
9831         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9832         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9833         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9834         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9835         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9836         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9837         (builtin_read_<mode>): New.
9838         (builtin_write_<mode>): New.
9839         (builtin_write64): New.
9840         (optional_membar_<mode>): New.
9841
9842 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9843
9844         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9845         (rather than units) against HOST_BITS_PER_WIDE_INT.
9846
9847 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9848
9849         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9850         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9851         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9852         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9853         FSF address.
9854
9855         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9856         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9857         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9858         comment typos.
9859         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9860
9861 2005-07-26  Richard Guenther  <rguenther@suse.de>
9862
9863         PR tree-optimization/22486
9864         * fold-const.c (fold_unary): Fold away useless component
9865         references of the form (T *)&T.x, if the address
9866         doesn't change.
9867
9868 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9869
9870         * dwarf2out.c (add_call_src_coords_attributes): New.
9871         (gen_inlined_subroutine_die): Call it.
9872         (maybe_emit_file, init_file_table): Add comments.
9873         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9874         maybe_emit_file.
9875         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9876         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9877         * tree.h (BLOCK_SOURCE_LOCATION): New.
9878         (struct tree_block): New field locus.
9879
9880 2005-07-26  Andreas Schwab  <schwab@suse.de>
9881
9882         PR rtl-optimization/23043
9883         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9884         when allocating a struct unoccr.
9885
9886 2005-07-25  Richard Henderson  <rth@redhat.com>
9887
9888         PR 22626
9889         * tree-complex.c (gate_no_optimization): True if errors.
9890         * Makefile.in (tree-complex.o): Update dependencies.
9891
9892 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9893
9894         * config/frv/predicates.md (integer_register_operand): Use
9895         GPR_AP_OR_PSEUDO_P.
9896
9897 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9898
9899         PR tree-opt/22484
9900         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9901         after fold.
9902         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9903
9904 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9905
9906         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9907         types when flag_unsafe_math_optimizations is true.
9908
9909 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9910
9911         * gcc.c (option_map): Add --sysroot.
9912         (process_command): Handle --sysroot.
9913         (display_help): Document it.
9914         * doc/cppopts.tex (-isysroot): Document.
9915         * doc/invoke.texi (--sysroot): Document.
9916         * doc/install.texi (--with-build-sysroot): Document.
9917
9918         * Makefile.in (inhibit_libc): New variable.
9919         (INHIBIT_LIBC_CFLAGS): Likewise.
9920         (LIBGCC2_CFLAGS): Include
9921         $(INHIBIT_LIBC_CFLAGS).
9922         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9923         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9924         ($(T)crtend.o): Likewise.
9925         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9926         ($(T)crtendS.o): Likewise.
9927         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9928         ($(T)crtendT.o): Likewise.
9929         (stmp-fixinc): Do not complain about missing headers if
9930         inhibit_libc.
9931         * configure.ac (inhibit_libc): Set it to true/false.
9932         (--with-build-sysroot): New option.  Use it to set
9933         SYSTEM_HEADER_DIR.
9934         * configure: Regenerated.
9935
9936 2005-07-25  Manfred Hollstein  <mh@suse.com>
9937
9938         * calls.c (store_one_arg): Fix unsigned comparison warning.
9939
9940 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9941
9942         PR other/22337
9943         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9944         (ggc_print_statistics): Initialize variable before use.
9945
9946 2005-07-25  Richard Guenther  <rguenther@suse.de>
9947
9948         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9949         calling with a PHI_NODE argument.
9950
9951         * tree-flow-inline.h (overlap_subvar): Protect against
9952         possible overflow.
9953
9954 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9955
9956         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9957         * configure: Regenerate.
9958
9959 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9960
9961         * expr.c (highest_pow2_factor): Make extern.
9962         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9963         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9964         record_array_differ_p, array_ptr_differ_p): Likewise.
9965         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9966         additional cases. Call the above functions.
9967         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9968         base_object_differ_p when there are two base objects. Otherwise, compare
9969         base address and offset. Call may_alias_p.
9970         (dump_data_reference): Use a correct field name.
9971         (analyze_array): Make static. Initialize new data-ref fields.
9972         (analyze_indirect_ref): New function.
9973         (init_data_ref): Initialize new data-ref fields.
9974         (strip_conversion): Moved from tree-vect-analyze.c.
9975         (analyze_offset_expr, get_ptr_offset, address_analysis,
9976         object_analysis): Likewise.
9977         (analyze_offset): New function.
9978         (create_data_ref): Likewise.
9979         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9980         dimensions for ARRAY_REFs only.
9981         (build_classic_dist_vector): Make static.
9982         (access_functions_are_affine_or_constant_p): Call macro to get the
9983         address of access functions.
9984         (compute_all_dependences): Add new parameter
9985         compute_self_and_read_read_dependences. Compute self and read-read
9986         dependences if it is true.
9987         (find_data_references_in_loop): Call create_data_ref. Initialize new
9988         data-ref fields.
9989         (compute_data_dependences_for_loop): Add new parameter
9990         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9991         compute nb_loops. Call compute_all_dependences,
9992         build_classic_dist_vector and build_classic_dir_vector with correct
9993         parameters.
9994         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9995         with correct parameters. Compare dimensions for ARRAY_REFs only.
9996         (free_data_refs): Call macro to free access functions.
9997         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9998         fields from stmt_vinfo.
9999         (struct base_object_info): New structure.
10000         (struct data_reference): Move fields to base_object_info. Add fields
10001         first_location and object_info for above structures. Move fields from
10002         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10003         aligned_to.  Add macros to access the new fields.
10004         Update functions declarations.
10005         * tree-flow.h (is_aliased_with): Declare.
10006         * tree-loop-linear.c (linear_transform_loops): Call
10007         compute_data_dependences_for_loop with correct parameters.
10008         * tree-ssa-alias.c (is_aliased_with): New function.
10009         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10010         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10011         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10012         vect_base_addr_differ_p, compute_subscript_distance and
10013         build_classic_dist_vector. Add printings. Check absolute value of
10014         distance.
10015         (vect_analyze_data_ref_dependences): Go through ddrs instead of
10016         data-refs.
10017         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10018         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10019         to bytes. Add printing.
10020         (vect_compute_data_refs_alignment): Go through loads and stores in one
10021         loop.
10022         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10023         vect_analyze_data_ref_access): Likewise.
10024         (vect_analyze_pointer_ref_access): Remove.
10025         (vect_address_analysis, vect_object_analysis): Likewise.
10026         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10027         and analyze data-refs in the loop.
10028         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10029         fields of data-ref instead of stmt. Add init to the offset from the
10030         base.
10031         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10032         (vect_update_init_of_dr): Likewise.
10033         (vect_update_inits_of_drs): Go through loads and stores in one loop.
10034         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10035         removed fields.
10036         (new_loop_vec_info): Initialize new fields.
10037         (destroy_loop_vec_info): Free new fields.
10038         (vect_strip_conversion): Remove.
10039         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10040         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10041         datarefs. Add new field ddrs.
10042         Add macros for the new fields access.
10043         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10044         base_aligned_p, misalignment, memtag, ptr_info and subvars.
10045         Remove their macros.
10046         * tree.h (highest_pow2_factor): Declare.
10047
10048 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
10049
10050         * calls.c (store_one_arg): Check for sibling call MEM arguments
10051         from already clobbered incoming argument area.
10052
10053 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10054
10055         * c-common.c (check_missing_format_attribute): New.
10056         * c-common.h (check_missing_format_attribute): Likewise.
10057         * c-typeck.c (convert_for_assignment): Use it.
10058
10059 2005-07-24  Andreas Schwab  <schwab@suse.de>
10060
10061         * config/m68k/m68k.md ("extendqidi2"): When source is an address
10062         register use a word move.  Correct operand of ext.w in 68000 code.
10063
10064 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
10065
10066         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10067         variables as declarations, rather than definitions.
10068
10069 2005-07-24  Ira Rosen  <irar@il.ibm.com>
10070
10071         PR tree-optimization/22526
10072         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10073         of the zero node.
10074
10075 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10076
10077         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10078         that C99 reserve for future use. Use it to define clog10,
10079         clog10f and clog10l.
10080
10081 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10082
10083         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10084         * configure.ac: Check for -Wmissing-format-attribute.
10085
10086         * configure: Regenerate.
10087
10088 2005-07-23  Richard Henderson  <rth@redhat.com>
10089
10090         PR tree-optimization/22623
10091         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10092
10093 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
10094
10095         PR target/22577
10096         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10097
10098 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10099
10100         * Makefile.in (C_TREE_H): Update dependencies.
10101         * c-tree.h: Include toplev.h.
10102         * diagnostic.h (diagnostic_set_info): Add format attribute.
10103         * rtl-error.c (diagnostic_for_asm): Likewise.
10104
10105 2005-07-23  Chao-ying Fu  <fu@mips.com>
10106
10107         * config/mips/mips-dsp.md: New file.
10108         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10109         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10110         functions.
10111         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10112         MIPS_BUILTIN_BPOSGE32.
10113         (mips_expand_builtin_direct): Add one parameter to indicate that
10114         builtin functions need to return a value.
10115         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10116         functions.
10117         (mips_regno_to_class): Add classes for 12 new DSP registers.
10118         (mips_subword): Change to check four HI registers.
10119         (mips_output_move): Output move to and from 6 new DSP accumulators.
10120         (override_options): Make sure -mdsp and -mips16 are not used together.
10121         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
10122         for machine modes.
10123         (mips_conditional_register_usage): Disable 6 new DSP accumulators
10124         when !TARGET_DSP.
10125         (print_operand): Add 'q' for printing DSP accumulators.
10126         (mips_cannot_change_mode_class): Check ACC_REGS.
10127         (mips_secondary_reload_class): Check ACC_REGS.
10128         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10129         (mips_register_move_cost): Check ACC_REGS.
10130         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10131         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10132         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10133         (dsp_bdesc): New array.
10134         (bdesc_arrays): Add DSP builtin function table.
10135         (mips_prepare_builtin_arg): Check predicate again after
10136         copy_to_mode_reg.
10137         (mips_expand_builtin): Add one more parameter to
10138         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10139         MIPS_BUILTIN_BPOSGE32.
10140         (mips_init_builtins): Initialize new function types.
10141         (mips_expand_builtin_direct): Check if builtin functions need to
10142         return a value and pass operands properly.
10143         (mips_expand_builtin_bposge): New function.
10144         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10145         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10146         (FIRST_PSEUDO_REGISTER): Increase to 188.
10147         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10148         Update for 12 new DSP registers.
10149         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10150         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10151         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10152         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10153         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10154         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10155         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10156         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10157         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10158         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10159         (REGISTER_NAMES): Add names for 12 new DSP registers.
10160         * config/mips/mips.md: Include mips-dsp.md.
10161         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10162         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10163         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10164         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10165         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10166         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10167         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10168         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10169         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10170         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10171         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10172         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10173         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10174         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10175         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10176         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10177         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10178         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10179         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10180         (UNSPEC_RDDSP): New constants.
10181         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10182         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
10183         A<-d alternative.
10184         * config/mips/mips.opt (-mdsp): New option.
10185         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10186         (reg_imm10_operand): New predicates.
10187         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10188         * doc/invoke.texi (-mdsp): Document new option.
10189
10190 2005-07-22  DJ Delorie  <dj@redhat.com>
10191
10192         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10193         to warning calls.
10194         * tree-inline.c (inlinable_function_p): Likewise.
10195
10196 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
10197
10198         PR debug/21828
10199         * toplev.c (check_global_declarations): Do not mark undefined
10200         variables as DECL_IGNORED_P.
10201         * varasm.c (first_global_object_name): GTY it.
10202         (weak_global_object_name): Likewise.
10203         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10204         a string to go into {weak,first}_global_object_name.
10205
10206 2005-07-22  DJ Delorie  <dj@redhat.com>
10207
10208         * c-format.c (check_function_format): Change warning control
10209         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10210
10211 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
10212
10213         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10214         &PTR->FLD a dereference of PTR.
10215         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10216         a potential dereference of PTR.
10217
10218 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
10219
10220         PR rtl-optimization/20370
10221         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10222         call allocate_reg_info if necessary.
10223
10224         PR rtl-optimization/21848
10225         * calls.c (emit_library_call_value_1): For const functions, add
10226         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10227
10228         PR rtl-optimization/22445
10229         * cselib.c (target.h): Include.
10230         (rtx_equal_for_cselib_p): Allow commutative matches.
10231         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10232         Remove MODE parameter.  Changed all callers.
10233
10234         PR rtl-optimization/22258
10235         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10236         New functions.
10237         (try_combine): Use likely_spilled_retval_p.
10238
10239 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
10240
10241         * config.gcc: Add crx-elf support.
10242
10243         * doc/contrib.texi: Mention crx.
10244         * doc/extend.texi: Document crx extensions.
10245         * doc/install.texi: Document crx install.
10246         * doc/invoke.texi: Document crx options.
10247         * doc/md.texi: Document crx constraints.
10248
10249         * config/crx/crx-protos.h: New file.
10250         * config/crx/crx.c: New file.
10251         * config/crx/crx.h: New file.
10252         * config/crx/crx.md: New file.
10253         * config/crx/crx.opt: New file.
10254         * config/crx/t-crx: New file.
10255
10256 2005-07-22  Manfred Hollstein  <mh@suse.com>
10257
10258         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10259         warnings.
10260         (int_add_graph_edge): Likewise.
10261         (collapse_nodes): Likewise.
10262         (process_unification_queue): Likewise.
10263
10264 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10265             Laurent GUERBY  <laurent@guerby.net>
10266
10267         PR tree-optimization/22336
10268         * function.c (record_block_change): Check for
10269         cfun->ib_boundaries_block.
10270
10271 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10272
10273         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10274         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10275
10276 2005-07-21  DJ Delorie  <dj@redhat.com>
10277
10278         * toplev.c (warn_deprecated_use): Add warning control to warning
10279         call.
10280         * c-typeck.c (parser_build_binary_op): Likewise.
10281         (c_finish_if_stmt): Likewise.
10282         * c-common.c (check_function_sentinel): Likewise.
10283         (check_nonnull_arg): Likewise.
10284
10285 2005-07-21  Richard Henderson  <rth@redhat.com>
10286
10287         PR tree-opt/22504
10288         * tree-complex.c (complex_ssa_name_components): New.
10289         (cvc_lookup): Allow entry not found.
10290         (create_components): Remove.
10291         (create_one_component_var, get_component_var): New.
10292         (get_component_ssa_name, set_component_ssa_name): New.
10293         (extract_component): Use get_component_ssa_name.
10294         (update_complex_components): Use set_component_ssa_name.
10295         (update_complex_components_on_edge): Likewise.
10296         (update_phi_components): Create new PHI nodes directly, instead
10297         of adding insns to edges.
10298         (tree_lower_complex): Allocate and free complex_variable_components
10299         and complex_ssa_name_components here.
10300
10301 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10302
10303         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10304         revert to returning false.
10305
10306 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10307
10308         PR target/21149
10309         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10310
10311 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10312
10313         PR target/22576
10314         * config/i386/i386.md (cmpxf): Change operand constraints
10315         to "nonmemory_operand".
10316
10317 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10318
10319         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10320
10321 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10322
10323         PR middle-end/21180
10324         * fold-const.c (fold_build1): Add checksum for the operands.
10325         (fold_build2): Likewise.
10326         (fold_build3): Likewise.
10327
10328 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10329
10330         PR middle-end/19055
10331         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10332
10333 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10334
10335         * common.opt (-fforward-propagate): Committed by mistake,
10336         removed.
10337
10338 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10339
10340         * reg-stack.c: Fix comment typo(s).
10341         * tree-ssa-operands.c: Likewise.
10342         * tree-vectorizer: Likewise.
10343
10344 2005-07-21  Nick Clifton  <nickc@redhat.com>
10345
10346         * config/sh/symbian.c: Replace C++ style line comments with C
10347         style line comments.
10348         (symbian_add_attribute): Do not use a ? operator on the LHS of
10349         an assignment.
10350         (sh_symbian_handle_dll_attribute): Change the type of the
10351         method vector to "VEC(tree,gc)*" and use vector accessor
10352         macros to walk over the elements.
10353         (symbian_export_vtable_and_rtti_p): Likewise.
10354         (symbian_class_needs_attribute_p): Likewise.
10355
10356 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10357
10358         PR target/22085
10359         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10360         initialize targetm.resolve_overloaded_builtin here.
10361         (altivec_expand_overloaded_builtin): Make it non-static.
10362         * config/rs6000/rs6000-protos.h
10363         (altivec_expand_overloaded_builtin): New prototype.
10364         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10365         targetm.resolve_overloaded_builtin here.
10366         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10367
10368 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10369             Zdenek Dvorak  <dvorakz@suse.cz>
10370
10371         PR tree-optimization/19210
10372         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10373         New.
10374         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10375         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10376         rely on unproven assumptions.
10377         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10378         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10379         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10380         to number_of_iterations_exit.
10381         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10382         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10383         * tree-ssa-loop-niter.c (find_loop_niter,
10384         estimate_numbers_of_iterations_loop): Likewise.
10385         (number_of_iterations_exit): Honor the new options.
10386         * doc/invoke.texi (Wunsafe-loop-optimizations,
10387         funsafe-loop-optimizations): Document them.
10388
10389 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10390
10391         PR rtl-optimization/22167
10392         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10393
10394 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10395
10396         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10397         __do_global_dtors_aux longcall.
10398
10399 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10400
10401         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10402         (old_special_pred_table): Don't reference
10403         SPECIAL_MODE_PREDICATES.
10404         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10405         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10406         * config/sh/predicates.h: Don't mention
10407         SPECIAL_MODE_PREDICATES.
10408         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10409         Remove.
10410
10411 2005-07-20  DJ Delorie  <dj@redhat.com>
10412
10413         * config.gcc: Add m32c-elf support.
10414
10415         * doc/contrib.texi: Mention m32c.
10416         * doc/extend.texi: Document m32c extensions.
10417         * doc/install.texi: Mention m32c.
10418         * doc/invoke.texi: Document m32c options.
10419         * doc/md.texi: Document m32c constraints.
10420
10421         * config/m32c/addsub.md: New file.
10422         * config/m32c/bitops.md: New file.
10423         * config/m32c/cond.md: New file.
10424         * config/m32c/jump.md: New file.
10425         * config/m32c/m32c-lib1.S: New file.
10426         * config/m32c/m32c-lib2.c: New file.
10427         * config/m32c/m32c-modes.def: New file.
10428         * config/m32c/m32c-pragma.c: New file.
10429         * config/m32c/m32c-protos.h: New file.
10430         * config/m32c/m32c.abi: New file.
10431         * config/m32c/m32c.c: New file.
10432         * config/m32c/m32c.h: New file.
10433         * config/m32c/m32c.md: New file.
10434         * config/m32c/m32c.opt: New file.
10435         * config/m32c/minmax.md: New file.
10436         * config/m32c/mov.md: New file.
10437         * config/m32c/muldiv.md: New file.
10438         * config/m32c/predicates.md: New file.
10439         * config/m32c/prologue.md: New file.
10440         * config/m32c/shift.md: New file.
10441         * config/m32c/t-m32c: New file.
10442
10443 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10444
10445         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10446         (stack_protect_set, stack_protect_test): New expanders.
10447         (stack_protect_set_si, stack_protect_set_si_media,
10448         stack_protect_set_di_media, stack_protect_test_si,
10449         stack_protect_test_si_media, stack_protect_test_di_media):
10450         New insns.
10451
10452 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10453
10454         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10455
10456 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10457
10458         * tree.h (tree_expr_nonzero_p): Export.
10459         * fold-const.c (tree_expr_nonzero_p): Likewise.
10460         Return true for CALL_EXPRs that are alloca calls.
10461         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10462         against zero.
10463         * tree-flow.h (expr_computes_nonzero): Remove.
10464         * tree-vrp.c (expr_computes_nonzero): Remove.
10465         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10466         (extract_range_from_unary_expr): Likewise.
10467         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10468         tree_expr_nonzero_p.
10469
10470 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10471
10472         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10473         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10474         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10475         All callers changed.
10476         (frame_related_constant_load): New arg "related" which controls
10477         setting of RTX_FRAME_RELATED_P.  All callers changed.
10478         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10479         (bfin_expand_prologue): Add stack limit checking.
10480         * config/bfin/bfin.md (trapifcc): New pattern.
10481
10482         * config/bfin/bfin.c: Include "langhooks.h".
10483         (def_builtin): Go through lang_hooks to call builtin_function.
10484
10485         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10486         * config/bfin/predicates.md (symbol_ref_operand): New.
10487         (call_insn_operand): Delete.  All callers changed to use
10488         register_no_elim_operand.
10489         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10490         call_cookie field.
10491         (function_arg): Use it to generate the call's operand 2.
10492         (bfin_longcall_p): New function.
10493         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10494         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10495         determine if the address needs to be in a REG.
10496         (bfin_handle_longcall_attribute): New function.
10497         (bfin_attribute_table): Add "longcall" and "shortcall".
10498         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10499         (CUMULATIVE_ARGS): New member call_cookie.
10500         (PREDICATE_CODES): Add symbol_ref_operand.
10501         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10502         extra USE to the pattern.
10503         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10504         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10505         sibcall_value_insn; now the new patterns handle direct calls and the
10506         old ones indirect calls.
10507         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10508
10509 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10510
10511         * doc/trouble.texi: Update section on handling of empty loops.
10512
10513 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10514
10515         * config.gcc: Remove support for sparc-*-openbsd*,
10516         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10517         ns32k-*-netbsd*.
10518         * config.host: Remove support for i860-*-sysv4* as a host.
10519         * config/i860/*, config/ip2k/*, config/ns32k/*,
10520         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10521         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10522         mention obsolete ports.
10523
10524 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10525
10526         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10527         soft frame pointer.
10528         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10529         of frame_pointer_rtx.
10530         (sh_expand_epilogue): Likewise.
10531         (sh_set_return_address): Likewise.
10532         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10533         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10534         offsets from FRAME_POINTER_REGNUM.
10535         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10536         (sh_register_names): Add initializer for sfp.
10537         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10538         (VALID_REGISTER_P): Likewise.
10539         (FIRST_PSEUDO_REGISTER): Update.
10540         (DWARF_FRAME_REGISTERS): Define.
10541         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10542         (HARD_FRAME_POINTER_REGNUM): Define.
10543         (FRAME_POINTER_REGNUM): Redefine.
10544         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10545         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10546         from FRAME_POINTER_REGNUM.
10547         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10548         FRAME_POINTER_REGNUM.
10549         (REG_CLASS_CONTENTS): Add sfp.
10550         (REG_ALLOC_ORDER): Likewise.
10551         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10552         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10553         of frame_pointer_rtx.
10554         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10555
10556 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10557
10558         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10559         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10560         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10561         of an ABS_EXPR.
10562         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10563         ABS_EXPR<x>.
10564
10565 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10566
10567         Make CONSTRUCTOR use VEC to store initializers.
10568         * c-common.c (complete_array_type): Update to cope with VEC in
10569         CONSTRUCTOR_ELTS.
10570         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10571         (pp_c_constructor_elts): New function.
10572         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10573         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10574         struct constructor_stack, struct initializer_stack,
10575         constructor_elements, push_init_level, pop_init_level,
10576         add_pending_init, find_init_member, output_init_element): Update to
10577         cope with VEC in CONSTRUCTOR_ELTS.
10578         * coverage.c (build_fn_info_value, build_ctr_info_value,
10579         build_gcov_info): Likewise.
10580         * expr.c (categorize_ctor_elements_1, store_constructor,
10581         expand_expr_real_1): Likewise.
10582         * fold-const.c (fold_ternary): Likewise.
10583         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10584         gimplify_init_constructor, gimplify_expr): Likewise.
10585         * tree-dump.c (dequeue_and_dump): Likewise.
10586         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10587         node.
10588         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10589         CONSTRUCTOR_ELTS.
10590         * tree-sra.c (generate_element_init_1): Likewise.
10591         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10592         * tree-ssa-operands.c (get_expr_operands): Likewise.
10593         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10594         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10595         (get_initial_def_for_reduction): Likewise.
10596         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10597         value handle in annotations.
10598         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10599         tree_node_structure): Add support for constr_kind.
10600         (build_vector_from_ctor, build_constructor_single,
10601         build_constructor_from_list): New functions.
10602         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10603         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10604         Update to cope with VEC in CONSTRUCTOR_ELTS.
10605         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10606         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10607         CONSTRUCTOR_APPEND_ELT): New macros.
10608         (struct constructor_elt, struct tree_constructor): New data types.
10609         (union tree_node): Add tree_constructor field.
10610         * treestruct.def: Define TS_CONSTRUCTOR.
10611         * varasm.c (const_hash_1, compare_constant, copy_constant,
10612         compute_reloc_for_constant, output_addressed_constants,
10613         initializer_constant_valid_p, output_constant,
10614         array_size_for_constructor, output_constructor): Update to cope with
10615         VEC in CONSTRUCTOR_ELTS.
10616         * vec.h (VEC_empty, VEC_copy): New macros.
10617
10618 2005-07-19  Devang Patel  <dpatel@apple.com>
10619
10620         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10621
10622 2005-07-19  Richard Henderson  <rth@redhat.com>
10623
10624         PR tree-opt/22278
10625         * gimplify.c (gimplify_expr): Use main variant type for the temp
10626         destination for a discarded volatile read.
10627         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10628         casts between non-void types that change volatility.
10629
10630 2005-07-15  DJ Delorie  <dj@redhat.com>
10631
10632         * toplev.h: Add comment about the first parameter for warning().
10633         * errors.h: Likewise.
10634
10635         * c.opt (Wpragmas): New.
10636         * doc/invoke.texi: Document it.
10637
10638         * function.c (do_warn_unused_parameter): Add warning control to
10639         warning call.
10640         * c-decl.c (warn_if_shadowing): Likewise.
10641         * c-lex.c (cb_def_pragma): Likewise.
10642         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10643         (pop_alignment): Likewise.
10644         (handle_pragma_pack): Likewise.
10645         (apply_pragma_weak): Likewise.
10646         (handle_pragma_weak): Likewise.
10647         (handle_pragma_redefine_extname): Likewise.
10648         (add_to_renaming_pragma_list): Likewise.
10649         (handle_pragma_extern_prefix): Likewise.
10650         (maybe_apply_renaming_pragma): Likewise.
10651         (handle_pragma_visibility): Likewise.
10652
10653         * config/c4x/c4x-c.c (BAD): Likewise.
10654         (c4x_parse_pragma): Likewise.
10655         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10656         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10657         (rs6000_pragma_longcall): Likewise.
10658         * config/v850/v850-c.c (pop_data_area): Likewise.
10659         (ghs_pragma_section): Likewise.
10660         (ghs_pragma_section): Likewise.
10661         (ghs_pragma_interrupt): Likewise.
10662         (ghs_pragma_starttda): Likewise.
10663         (ghs_pragma_startsda): Likewise.
10664         (ghs_pragma_startzda): Likewise.
10665         (ghs_pragma_endtda): Likewise.
10666         (ghs_pragma_endsda): Likewise.
10667         (ghs_pragma_endzda): Likewise.
10668
10669 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10670             Kenneth Zadeck <zadeck@naturalbridge.com>
10671
10672         * Makefile.in: Removed tree-promote-statics.c
10673         * tree-promote-statics.c: Removed.
10674         * common.opt: Removed flag-promote-statics.
10675         * opts.c: Ditto.
10676         * passes.c: Removed tree-promote-statics pass.
10677         * tree-pass.h: Ditto.
10678         * timevar.def: Removed TV_PROMOTE_STATICS.
10679
10680
10681 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10682
10683         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10684         and *-*-freebsd9.
10685         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10686
10687 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10688
10689         PR c/22476
10690         * c-common.c (check_function_arguments): Call
10691         'check_function_format' if either -Wformat or
10692         -Wmissing-format-attribute are specified.
10693         * c-format.c (check_function_format): Check -Wformat before
10694         calling 'check_format_info'.
10695         * c-opts.c (c_common_post_options): Don't warn for
10696         -Wmissing-format-attribute without -Wformat.
10697         * c-typeck.c (convert_for_assignment): Detect additional cases for
10698         -Wmissing-format-attribute.
10699         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10700         behavior.
10701
10702 2005-07-19  Richard Guenther  <rguenther@suse.de>
10703
10704         * config/i386/i386.md (lrint<mode>2): Use temporary
10705         instead of clobbering non-existent memory.
10706
10707 2005-07-19  Nick Clifton  <nickc@redhat.com>
10708
10709         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10710         statement to avoid displaying ASCII control characters.
10711
10712 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10713
10714         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10715         * cfganal.c (find_edge_index): Ditto.
10716         * combine.c (combine_instructions): Ditto.
10717         * ddg.c (create_scc): Ditto.
10718         (find_successors): Ditto.
10719         (find_predecessors): Ditto.
10720         (find_nodes_on_paths): Ditto.
10721         (longest_simple_path): Ditto.
10722         * flow.c (update_life_info): Ditto.
10723         (count_or_remove_death_notes): Ditto.
10724         (clear_log_links): Ditto.
10725         * modulo-sched.c (generate_reg_moves): Ditto.
10726         (find_max_asap): Ditto.
10727         (find_max_hv_min_mob): Ditto.
10728         (find_max_dv_min_mob): Ditto.
10729         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10730         * sched-rgn.c (extract_edgelst): Ditto.
10731         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10732         (dump_update_ssa): Ditto.
10733         (ssa_names_to_replace) Ditto.
10734         (switch_virtuals_to_full_rewrite): Ditto.
10735         (update_ssa): Ditto.
10736         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10737
10738 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10739
10740         Fix PR tree-optimization/22483
10741
10742         * tree-complex.c (create_components): Use
10743         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10744         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10745         * tree-flow.h (safe_referenced_var_iterator): New structure.
10746         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10747         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10748         safe_referenced_var iterator.
10749         (add_type_alias): Ditto.
10750
10751 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10752
10753         * loop-init.c (rest_of_handle_loop2): Remove.
10754         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10755         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10756         (pass_rtl_loop_init, pass_rtl_loop_done,
10757         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10758         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10759         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10760         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10761         pass_tree_loop_done, and pass_tree_unswitch.
10762         (gate_loop): Rename to gate_tree_loop.
10763         * passes.c (init_optimization_passes): Update for renamed tree
10764         loop passes.  Add the new loop2 passes as subpasses of loop2.
10765         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10766         Update for the renamed tree loop passes.
10767
10768 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10769
10770         PR middle-end/22057
10771         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10772         blocks when optimizing.
10773
10774 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10775
10776         * common.opt (frename-registers): Initialize to 2.
10777         (fweb): Ditto.
10778         (fgcse-after-reload): Ditto.
10779         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10780         (process_options): Only change flag_web, flag_rename_registers,
10781         and flag_rerun_cse_after_loop if not explicitly set by user.
10782
10783 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10784
10785         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10786         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10787         in 64-bit mode the same as DImode in 32-bit mode.
10788         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10789         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10790         mode. Add new mode parameter.
10791         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10792         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10793         x86_64_shift_adj): New expanders.
10794         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10795         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10796         insns.
10797         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10798         DImode shift splitters.
10799         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10800         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10801         mode parameter.
10802
10803 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10804
10805         * i386.md (movdi_extzv_1): New.
10806         (zero_extendhidi2): Combine alternatives and never force use of
10807         REX64 prefix.
10808         (zero_extendqidi2): Likewise. Don't restrict input selection.
10809
10810 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10811
10812         Fix PR tree-optimization/22531
10813         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10814          moment.
10815
10816 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10817
10818         * tree-promote-statics.c (pass_promote_statics): Change dump file
10819          name.
10820
10821 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10822
10823         * tree-optimize.c (init_tree_optimization_passes): Add
10824         pass_eliminate_useless_stores pass.
10825         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10826         * tree-ssa-pre.c (is_copy_stmt): New function.
10827         (follow_copies_till_vuse): Ditto.
10828         (do_eustores): Ditto.
10829         (gate_eustores): Ditto.
10830
10831 2005-07-16  Richard Henderson  <rth@redhat.com>
10832
10833         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10834
10835 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10836            Kenneth Zadeck <zadeck@naturalbridge.com>
10837
10838         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10839         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10840         ipa-type-escape.h, tree-promote-statics.c
10841         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10842         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10843         tree-promote-statics.c: new files.
10844         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10845         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10846         int nonlocal_set_p, mark_constant_function): Deleted.
10847         (rest_of_handle_cfg): Removed call to mark_constant_function.
10848         (nonoverlapping_component_refs_p): Added calls to support
10849         type based aliasing.
10850         * tree-ssa-alias.c (may_alias_p,
10851         compute_flow_insensitive_aliasing): Ditto.
10852         * calls.c (flags_from_decl_or_type): Removed reference to
10853         cgraph_rtl_info.
10854         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10855         too many arguments.  This is necessary for Spec 2000.
10856         * cgraph.h (const_function, pure_function): Removed.
10857         * common.opt: Added "fipa-pure-const", "fipa-reference",
10858         "fipa-type-escape", and "ftree-promote-static".
10859         * opts.c: Ditto.
10860         * passes.c: Added ipa and tree-promote-statics passes.
10861         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10862         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10863         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10864         * tree-flow.h: Added exposed sra calls and addition of
10865         reference_vars_info field for FUNCTION_DECLS.
10866         * tree-pass.h: Added passes.
10867         * tree-sra.c: (sra_init_cache): New function.
10868         (sra_insert_before, sra_insert_after) Made public.
10869         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10870         and made public.
10871         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10872         aliasing. (may_alias_p): Added code to use type escape analysis to
10873         improve alias sets.
10874         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10875         code to prune clobbers of static variables based on information
10876         produced in ipa-reference pass.  Changed call clobbering so that
10877         statics are not marked as clobbered if the call does not clobber
10878         them.
10879
10880 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10881
10882         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10883         too.
10884
10885 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10886
10887         * doc/install.texi (*-*-solaris2*): Document recommended version
10888         of GNU binutils and mention GNU linker problem on Solaris 10.
10889
10890 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10891
10892         PR c/22421
10893         * c-decl.c (c_build_bitfield_integer_type): New function.
10894         (finish_struct): Call it.
10895         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10896
10897 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10898
10899         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10900         before returning.
10901
10902 2005-07-16  Jan Hubicka  <jh@suse.cz>
10903
10904         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10905         (scale_bbs_frequencies_int): Watch roundoff errors.
10906         * predict.c (return_prediction): Initialize return_stmt.
10907
10908 2005-07-16  Jan Hubicka  <jh@suse.cz>
10909
10910         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10911         after RTL profiling.
10912
10913 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10914
10915         PR middle-end/22398
10916         * fold-const.c (build_range_check): Convert high/low to etype
10917         if we are only comparing against exp.
10918
10919 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10920
10921         Fix PR tree-optimization/22376
10922         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10923         special var here.
10924         (need_to_solve): New function.
10925         (compute_points_to_sets): Use it.
10926
10927 2005-07-15  Jan Hubicka  <jh@suse.cz>
10928
10929         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10930         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10931
10932 2005-07-15  Richard Guenther  <rguenther@suse.de>
10933
10934         * c-common.c (handle_flatten_attribute): New function.
10935         Add flatten function attribute.
10936         * doc/extend.texi: Document flatten function attribute.
10937         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10938         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10939         New functions.
10940         (cgraph_decide_inlining): Handle functions with flatten
10941         attribute.
10942
10943 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10944
10945         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10946         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10947         UNSPEC_XCHG, UNSPEC_AND): New.
10948         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10949         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10950         * config/rs6000/sync.md (FETCHOP): New code macro.
10951         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10952         New code attrs.
10953         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10954         (sync_compare_and_swap<mode>): Same.
10955         (sync_lock_test_and_set<mode>): Same.
10956         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10957         for QImode and HImode, and not PPC405.
10958         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10959         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10960         (sync_<fetchop>{si,di}_internal): New.
10961         (sync_nand{si,di}_internal): New.
10962         (sync_old_<fetchop>{si,di}_internal): New.
10963         (sync_old_nand{si,di}_internal): New
10964         (sync_new_<fetchop>{si,di}_internal): New.
10965         (sync_new_nand{si,di}_internal): New.
10966         (atomic_and{si,di}): New.
10967         (sync_new_nand{si,di}_internal): New.
10968         (atomic_and{si,di}): New.
10969         (sync_add<mode>_internal): Delete.
10970         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10971         (sync_sub<mode>_internal): Delte.
10972         (sync_subshort_internal): New.
10973         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10974         (sync_anddi_internal): Delete.
10975         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10976         (sync_booldi_internal): Delete.
10977         (sync_boolc<mode>_internal): Delete.
10978         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10979         (sync_boolc<mode>_internal2): Delete.
10980         (sync_boolcc<mode>_internal): Delete.
10981         (isync, lwsync): Use unspec instead of unspec_volatile.
10982         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10983         Revert UNSPEC_VOLATILE.
10984         (rs6000_split_atomic_op): New.
10985         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10986
10987 2005-07-14  Eric Christopher  <echristo@redhat.com>
10988
10989         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10990         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10991
10992 2005-07-14  Eric Christopher  <echristo@redhat.com>
10993
10994         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10995
10996 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10997
10998         PR tree-optimization/22230
10999         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11000         the computation of the four cross productions for "range op range".
11001
11002 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
11003             Ulrich Weigand  <uweigand@de.ibm.com>
11004
11005         PR target/20126
11006         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11007         in some insn.
11008
11009 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
11010
11011         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11012
11013 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
11014
11015         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11016
11017 2005-07-14  Richard Guenther  <rguenther@suse.de>
11018
11019         PR middle-end/22347
11020         * config/i386/i386-protos.h (ix86_function_value): Change
11021         prototype to match new target hook.
11022         * config/i386/i386.c (ix86_value_regno): Change prototype
11023         to take extra type argument.
11024         (TARGET_FUNCTION_VALUE): Define.
11025         (ix86_function_ok_for_sibcall): Pass extra argument to
11026         ix86_value_regno, check return slot rtx for exact match.
11027         (ix86_function_value): Take extra parameter.  Dispatch to
11028         ix86_value_regno with fndecl/fntype as provided.
11029         (ix86_value_regno): Handle extra type argument.
11030         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11031
11032         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11033         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11034         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11035         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11036         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11037
11038 2005-07-14  Richard Guenther  <rguenther@suse.de>
11039
11040         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11041         * calls.c (expand_call): Pass fntype to hard_function_value.
11042         (emit_library_call_value_1): Likewise.
11043         * explow.c: Include target.h.
11044         (hard_function_value): Take extra argument, the fntype.
11045         Use new target hook for function_value.
11046         * expr.h (hard_function_value): Change prototype.
11047         * function.c (aggregate_value_p): Pass 0 as fntype to
11048         hard_function_value.
11049         (assign_parms): Use new target hook for function_value.
11050         Pass 0 as fntype to hard_function_value.
11051         (expand_function_end): Likewise.
11052         * reg-stack.c: Include target.h.
11053         (stack_result): Use new target hook for function_value.
11054         * target-def.h: New target hook function_value.
11055         * target.h: Likewise.
11056         * targhooks.c (default_function_value): New function.
11057         * targhooks.h (default_function_value): Declare.
11058
11059 2005-07-13  Ian Lance Taylor  <ian@airs.com>
11060
11061         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11062
11063 2005-07-14  Jan Hubicka  <jh@suse.cz>
11064
11065         * tree-dfa.c (dump_variable): Use default_def function.
11066         * tree-ssa-alias.c (dump_points_to_info): Likewise.
11067         * tree-ssa.c (verify_use): Likewise.
11068         * tree-ssanames.c (release_ssa_name): Likewise.
11069         * tree-tailcall.c (eliminate_tail_call): Likewise.
11070         (tree_optimize_tail_calls_1): Likewise.
11071         * tree-vrp.c (get_value_range): Likewise.
11072
11073 2005-07-14  Ben Elliston  <bje@au.ibm.com>
11074
11075         * gcc.c (main): Compare language[0] with '*' when iterating over
11076         the infiles.
11077
11078 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11079
11080         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11081         "s390_emit_compare".  Add handling of CCZ1mode.
11082         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11083         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11084         checking.
11085         (s390_branch_condition_mask): Add CCZ1mode handling.
11086         * config/s390/s390.md: ("seq", "*seq"): New pattern.
11087         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11088         Use CCZ1mode instead of CCZmode.
11089         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
11090
11091 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11092
11093         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11094         pattern.
11095         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11096
11097 2005-07-13  Eric Christopher  <echristo@redhat.com>
11098
11099         * config/mips/mips.c (mips_canonicalize_comparison): New.
11100         (mips_emit_int_relational): Use.
11101
11102 2005-07-13  Eric Christopher  <echristo@redhat.com>
11103
11104         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11105         static extra parts.
11106         * config/s390/s390.md: Include tpf.md. Move tpf specific
11107         patterns...
11108         * config/s390/tpf.md: To here.
11109         * config/s390/s390.opt: Move tpf specific options...
11110         * config/s390/tpf.opt: to here. Add mmain option.
11111         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11112         * config/s390/tpf.h: Rewrite.
11113
11114 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11115
11116         * doc/tm.texi: Remove @xref{Cross-profiling}.
11117
11118 2005-07-13  Jeff Law  <law@redhat.com>
11119
11120         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11121         expressions, test their _DECL operands for pointer equality rather
11122         than using operand_equal_p.
11123
11124 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11125
11126         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11127         (TARGET_POSIX_IO): This.
11128         * config/darwin.h: Likewise.
11129         * config/freebsd.h: Likewise.
11130         * config/linux.h: Likewise.
11131         * config/lynx.h: Likewise.
11132         * config/netbsd.h: Likewise.
11133         * config/rs6000/linux64.h: Likewise.
11134         * config/rs6000/linux.h: Likewise.
11135         * config/s390/tpf.h: Likewise.
11136         * config/sh/embed-elf.h: Likewise.
11137         * config/sparc/linux64.h: Likewise.
11138         * config/sparc/linux.h: Likewise.
11139         * config/svr4.h: Likewise.
11140         * gcov-io.h: Likewise.
11141
11142         * doc/tm.texi: Updated.
11143
11144         * libgcov.c (create_file_directory): Defined only if
11145         TARGET_POSIX_IO is defined.
11146         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11147         is defined.
11148
11149 2005-07-13  Jan Hubicka  <jh@suse.cz>
11150
11151         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11152
11153 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
11154
11155         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11156         structure as argument.
11157
11158 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
11159
11160         PR tree-optimization/21921
11161         * tree-iterator.c (tsi_link_before): Support the case when
11162         tsi_end_p (tsi) == true.
11163
11164 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11165
11166         PR tree-optimization/22442
11167         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11168         correctly.
11169
11170 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11171
11172         PR rtl-optimization/20376
11173         * toplev.c (process_options): Enable -fweb and -frename-registers when
11174         unrolling.
11175         * doc/invoke.texi: Update the information about when -fweb and
11176         -frename-registers are enabled.
11177
11178 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11179
11180         PR tree-opt/21840
11181         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11182         if *rhs_p is not a SSA_NAME.
11183
11184 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
11185
11186         Fix PR tree-optimization/22422
11187         * tree-ssa-structalias.c (struct variable_info): Add flag for
11188         special vars.
11189         (get_varinfo): Now a static function.
11190         (new_varinfo): init has_union and is_special_var to false.
11191         (solution_set_add): Check has_union.
11192         (do_da_constraint): Move temporary variable so it gets reset
11193         properly.
11194         Also check for special variable.
11195         (do_ds_constraint): Ditto.
11196         (do_sd_constraint): Ditto.
11197         (do_structure_copy): Check for special variable.
11198         (find_func_aliases): Ditto.
11199         (init_base_vars): Set special vars properly.
11200
11201 2005-07-13  Jan Hubicka  <jh@suse.cz>
11202
11203         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11204         do unit-at-a-time.
11205
11206         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11207         (get_expr_operands): Fix thinko wrt flags and subvars.
11208
11209         PR tree-optimize/22379
11210         * tree-inline.c (expand_call_inline): Do not output sorry in early
11211         inlining.
11212
11213 2005-07-12  Dale Johannesen  <dalej@apple.com>
11214
11215         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
11216
11217 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11218
11219         PR bootstrap/21704
11220         * host-linux.h: Include limits.h.
11221
11222 2005-07-12  Dale Johannesen  <dalej@apple.com>
11223
11224         * expr.c (compress_float_constant):  Add cost check.
11225         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
11226
11227 2005-07-12  Dale Johannesen  <dalej@apple.com>
11228
11229         * gcc.target/i386/compress-float-sse.c:  New.
11230         * gcc.target/i386/compress-float-sse-pic.c:  New.
11231         * gcc.target/i386/compress-float-387.c:  New.
11232         * gcc.target/i386/compress-float-387-pic.c:  New.
11233         * gcc.dg/compress-float-ppc.c:  New.
11234         * gcc.dg/compress-float-ppc-pic.c:  New.
11235
11236 2005-07-12  Eric Christopher  <echristo@redhat.com>
11237
11238         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11239         static extra parts.
11240         * config/s390/s390.md: Include tpf.md. Move tpf specific
11241         patterns...
11242         * config/s390/tpf.md: To here.
11243         * config/s390/s390.opt: Move tpf specific options...
11244         * config/s390/tpf.opt: to here. Add mmain option.
11245         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11246         * config/s390/tpf.h: Rewrite.
11247
11248 2005-07-12  Eric Christopher  <echristo@redhat.com>
11249
11250         * gcc.c (struct infile): Update comment for language.
11251         (main): Rewrite input file resetting code.
11252
11253 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11254
11255         PR tree-opt/22335
11256         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11257         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11258         (lookup_avail_expr): Use constant_boolean_node instead
11259         of boolean_false_node/boolean_true_node.
11260
11261 2005-07-12  Ben Elliston  <bje@au.ibm.com>
11262
11263         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11264         and use it when printing num_edges.
11265
11266 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11267
11268         * doc/extend.texi (Blackfin Built-in Functions): New section.
11269         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11270         @opindex.
11271
11272 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11273
11274         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11275         s/cmpstrsi/cmpstrnsi
11276         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11277         'cmpstrnsi'.
11278         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11279         (init_optabs): Initialize cmpstrn_optab.
11280         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11281         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11282         * expr.c: (enum insn_code cmpstrn_optab): Declare.
11283         * config/i386/i386.md: s/cmpstr/cmpstrn
11284         * config/c4x/c4x.md: s/cmpstr/cmpstrn
11285         * doc/md.texi: Update documentation.
11286
11287 2005-07-11  Richard Henderson  <rth@redhat.com>
11288
11289         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11290         build_va_arg_indirect_ref.
11291         (alpha_gimplify_va_arg): Likewise.
11292         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11293         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11294         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11295         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11296         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11297         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11298         Likewise.
11299         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11300
11301 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11302
11303         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11304         * passes.c (init_optimization_passes): Add pass_empty_loop.
11305         * tree-pass.h (pass_empty_loop): Declare.
11306         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11307         try_remove_empty_loop, remove_empty_loops): New functions.
11308         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11309         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11310
11311 2005-07-12  Peter Barada  <peter@the-baradas.com>
11312
11313         PR middle-end/16719
11314         PR middle-end/18421
11315         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11316         in address registers.
11317         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11318         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11319         alternative of addsi3_5200.
11320
11321 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11322
11323         * config/mips/mips.md (ffs<mode>2): Remove.
11324
11325 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11326
11327         * doc/tree-ssa.texi (Cleanups): Improve description of
11328         TRY_FINALLY_EXPR.
11329         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11330
11331 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11332
11333         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11334         * tree.h (DECL_ARGUMENT_FLD): New macro.
11335
11336 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11337
11338         Fix PR tree-optimization/22404
11339
11340         * tree-ssa-structalias.c (create_variable_info_for): Use
11341         correct offset.
11342
11343 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11344
11345         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11346         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11347         for second comparison operand.
11348         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11349
11350         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11351         (define_insn_reservation "alu"): Likewise.
11352         (csync, ssync): Now of type sync.
11353         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11354         -mcsync-anomaly -mspecld-anomaly.
11355         * config/bfin/bfin.opt (mcsync): Remove.
11356         (mcsync-anomaly, mspecld-anomaly): Add.
11357         * config/bfin/bfin.c: Include "insn-codes.h".
11358         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11359         (TARGET_DEFAULT_TARGET_FLAGS): New.
11360         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11361
11362 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11363
11364         * basic-block.h: Give the BB flags enum a name, bb_flags.
11365         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11366         * cfgcleanup.c (enum bb_flags): Remove here.
11367         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11368         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11369         (update_forwarder_flag): Likewise.
11370         (thread_jump): Likewise.
11371         (try_forward_edges): Likewise.
11372         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11373         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11374         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11375
11376 2005-07-11  Richard Guenther  <rguenther@suse.de>
11377
11378         * config/i386/i386.opt: New target option -msseregparm.
11379         * config/i386/i386.c (override_options): Error out for
11380         -msseregparm but no SSE support.
11381         (ix86_function_sseregparm): Check for global sseregparm.
11382         * doc/invoke.texi: Document -msseregparm.
11383
11384 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11385
11386         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11387         (m32rle-*-linux*): Ditto.
11388
11389 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11390
11391         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11392         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11393         bytes.
11394
11395 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11396
11397         PR middle-end/22239
11398         PR target/20126
11399         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11400         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11401
11402 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11403
11404         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11405         (varmap): Heapify varmap.
11406         (constraints): Heapify constraints.
11407         (struct constraint_graph): Heapify succs and preds.
11408         (constraint_vec_find): Update for heapification.
11409         (constraint_set_union): Ditto.
11410         (insert_into_complex): Ditto.
11411         (constraint_edge_vec_find): Ditto.
11412         (erase_graph_self_edge): Ditto.
11413         (add_graph_edge): Ditto.
11414         (get_graph_weights): Ditto.
11415         (merge_graph_nodes): Ditto.
11416         (build_constraint_graph): Ditto.
11417         (topo_visit): Ditto.
11418         (solve_graph): Ditto.
11419         (create_variable_info_for): Ditto.
11420         (init_base_vars): Ditto.
11421         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11422         (condese_varmap_nodes): Free complex vector.
11423         (clear_edges_for_node): Clear succs and preds vector.
11424
11425 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11426
11427         * tree-ssa-structalias.c (update_alias_info): Change counting of
11428         references to not include vdefs.
11429
11430 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11431
11432         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11433         (up_insert): Ditto.
11434
11435 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11436
11437         * pa.c (pa_commutative_p): Make PLUS commutative when
11438         TARGET_NO_SPACE_REGS is true.
11439
11440 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11441
11442         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11443         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11444         * tree-dfa.c (dump_subvars_for): New.
11445         (debug_subvars_for): New.
11446         (dump_variable): Show subvariables if VAR has them.
11447         * tree-flow-inline.h (get_subvar_at): New.
11448         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11449         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11450         Update all users.
11451         (struct subvar): Change fields offset and size to unsigned
11452         HOST_WIDE_INT.
11453         (dump_subvars_for): Declare.
11454         (debug_subvars_for): Declare.
11455         (get_subvar_at): Declare.
11456         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11457         to unsigned HOST_WIDE_INT *.
11458         (overlap_subvar): Likewise.
11459         * tree-gimple.c (is_gimple_reg): Always return false for
11460         SFTs and memory tags.
11461         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11462         Update all callers.
11463         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11464         (compute_may_aliases): Call compute_points_to_sets.
11465         (collect_points_to_info_for): Remove.
11466         (compute_points_to_and_addr_escape): Remove.
11467         (delete_alias_info): Call delete_points_to_sets.
11468         (compute_flow_sensitive_aliasing): If the call to
11469         find_what_p_points_to returns false, call set_pt_anything.
11470         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11471         (set_pt_anything): Clear pi->pt_vars.
11472         (set_pt_malloc): Remove.
11473         (merge_pointed_to_info): Remove.
11474         (add_pointed_to_expr): Remove.
11475         (add_pointed_to_var): Remove.
11476         (collect_points_to_info_r): Remove.
11477         (is_escape_site): Make extern.
11478         (create_sft): New.
11479         (create_overlap_variables_for): Call it.
11480         * tree-ssa-copy.c (merge_alias_info): Never merge
11481         flow-sensitive alias information.
11482         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11483         offset and size to be unsigned HOST_WIDE_INT.
11484         (add_to_addressable_set): Rename from note_addressable.
11485         Set TREE_ADDRESSABLE as the variables are added to the set.
11486         Update all users.
11487         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11488         operands into VUSEs when adding V_MAY_DEFs for members in an
11489         alias set.
11490         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11491         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11492         (struct variable_info): Add bitfield is_heap_var.
11493         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11494         (new_var_info): Initialize is_heap_var.
11495         (get_constraint_for): Add HEAP variables to the symbol table.
11496         Mark them with is_heap_var.
11497         (update_alias_info): New.  Taken mostly from the old
11498         compute_points_to_and_addr_escape.
11499         (handle_ptr_arith): New.
11500         (find_func_aliases): Call update_alias_info.
11501         Call handle_ptr_info for tcc_binary expressions.
11502         Call mark_stmt_modified.
11503         (create_variable_info_for): If DECL has subvars, do not create
11504         variables for its subvars.  Always add all the fields.
11505         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11506         SFTs, then add all the SFTs of the structure.
11507         If VI->DECL is an aggregate with subvariables, add the SFT at
11508         VI->OFFSET.
11509         (find_what_p_points_to): If VI is an artificial variable,
11510         translate to bitfields in SSA_NAME_PTR_INFO.
11511         If the solution is empty, set pi->pt_vars to NULL
11512         (init_base_vars): Create ANYOFFSET.
11513         (compute_points_to_sets): Rename from create_alias_vars.
11514         Make extern.
11515         (pass_build_pta): Remove.
11516         (delete_points_to_sets): Rename from delete_alias_vars.
11517         (pass_del_pta): Remove.
11518         * tree-ssa-structalias.h (struct alias_info): Move from
11519         tree-ssa-alias.h.
11520         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11521         NUM_REFERENCES_SET): Likewise.
11522         (compute_points_to_sets, delete_points_to_sets): Declare.
11523
11524 2005-07-09  Richard Henderson  <rth@redhat.com>
11525
11526         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11527         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11528         alpha_split_lock_test_and_set_12): New functions.
11529         * config/alpha/alpha-protos.h: Update.
11530         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11531         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11532         * config/alpha/sync.md (I12MODE): New.
11533         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11534         (sync_<fetchop_name><I48MODE>): Likewise.
11535         (sync_nand<I48MODE>): Likewise.
11536         (sync_old_<fetchop_name><I48MODE>): Likewise.
11537         (sync_new_<fetchop_name><I48MODE>): Likewise.
11538         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11539         (sync_compare_and_swap<I48MODE>): Likewise.
11540         (sync_lock_test_and_set<I48MODE>): Likewise.
11541         (sync_compare_and_swap<I12MODE>): New.
11542         (sync_compare_and_swap<I12MODE>_1): New.
11543         (sync_lock_test_and_set<I12MODE>): New.
11544         (sync_lock_test_and_set<I12MODE>_1): New.
11545
11546 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11547
11548         PR 21356
11549         PR 22332
11550         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11551
11552 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11553
11554         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11555         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11556
11557 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11558
11559         PR target/21656
11560         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11561
11562 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11563
11564         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11565         memory_operand constraint.
11566         (store_conditional_<mode>): Same.
11567         (sync_compare_and_swap<mode>): Same.
11568         (sync_lock_test_and_set<mode>): Same.
11569
11570 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11571
11572         Rewrite PIC support to more closely model actual instructions.
11573         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11574         (cris_symbol): Remove prototypes for removed functions.
11575         (cris_pic_symbol_type_of, cris_valid_pic_const)
11576         (cris_expand_pic_call_address): Prototypes for new functions.
11577         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11578         variable.
11579         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11580         modifiers.
11581         <case ':'>: Add case for new punctuation character.
11582         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11583         emitting (extra) PIC modifier.
11584         <case UNSPEC>: Do not assert for PLT.
11585         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11586         (cris_expand_prologue, cris_expand_epilogue): Check
11587         for pic_offset_table_rtx usage instead of taking
11588         current_function_uses_pic_offset_table as the final word.
11589         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11590         Remove flag_pic difference.
11591         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11592         the moral equivalents of...
11593         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11594         functions.
11595         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11596         (cris_handle_option): Mark ARG as unused.
11597         (cris_expand_pic_call_address): New worker function for "call",
11598         "call_value".
11599         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11600         output PIC constructs here.
11601         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11602         as symbol-specific modifers, not whole or part of operands.
11603         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11604         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11605         constants and flag_pic.
11606         (CONSTANT_INDEX_P): Adjust for new functions.
11607         (enum cris_pic_symbol_type): New helper type.
11608         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11609         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11610         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11611         define_constants.
11612         ("movsi"): Emit actual instructions for GOT and relative access.
11613         ("*movsi_got_load"): New pattern to set up the register holding
11614         the GOT pointer.
11615         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11616         Adjust FIXME for 'S'.
11617         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11618         Use "movs" for -fpic cases.
11619         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11620         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11621         ("call", "call_value"): Just call cris_expand_pic_call_address for
11622         PIC addresses.
11623         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11624         Remove special pattern.
11625         ("*expanded_call_side", "*expanded_call_value_side"): New
11626         patterns.
11627         (gotplt-to-plt, gotplt-to-plt-side-call)
11628         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11629         peephole2:s.
11630         * config/cris/cris/predicates.md
11631         ("cris_general_operand_or_gotless_symbol"): Remove unused
11632         predicate.
11633         ("cris_general_operand_or_symbol"): Adjust for new functions.
11634
11635 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11636
11637         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11638
11639 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11640
11641         * Makefile.in (TREE_H): Add treestruct.def.
11642         (c-decl.o): Add pointer-set.h
11643         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11644         visibility on regular DECL's.
11645         (merge_decls): Fix the copying of decl nodes of various types for
11646         the new structures.  Don't update RTL, section name, weak status,
11647         etc, on DECL's without RTL.
11648         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11649         Don't check volatile on non-variable types.
11650         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11651         to check whether we have seen arguments.
11652         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11653         flag is checked before field (flag is common, field is not).
11654         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11655         TS_DECL_COMMON could have an origin.
11656         (add_location_or_const_value_attribute): Don't check section name
11657         on non-var/function decls.
11658         (dwarf2out_var_location): Reverse order of tests.
11659         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11660         with DECL_WRTL_CHECK.
11661         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11662         * fold-const.c (fold_binary): Don't check weakness on
11663         non-var/function decls.
11664         (tree_expr_nonzero_p): Ditto.
11665         (fold_checksum_tree): Use tree_decl_extra as sizeof
11666         buffer.
11667         * ggc-page.c (extra_order_size_table): Add sizes for
11668         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11669         tree_field_decl.
11670         * gimplify.c (gimplify_bind_expr): Only set
11671         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11672         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11673         without RTL.
11674         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11675         * langhooks.h (init_ts). New langhook.
11676         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11677         * print-tree.c (print_node): Update to only print fields that
11678         exist in the structures the passed decl has.
11679         * toplev.c (wrapup_global_declarations): Don't reset
11680         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11681         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11682         * tree-inline.c (remap_decl): Ditto.
11683         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11684         * tree-pretty-print.c (print_declaration): Don't print
11685         DECL_REGISTER on things that don't contain it.
11686         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11687         non-var/function decls.
11688         * tree.c (tree_contains_struct): New structure.
11689         (init_priority_for_decl): New hashtable.
11690         (tree_int_map): New structure.
11691         (tree_int_map_eq): New function.
11692         (tree_int_map_marked_p): Ditto.
11693         (tree_int_map_hash): Ditto.
11694         (tree_map): Move to tree.h.
11695         (tree_map_eq): Externalize.
11696         (tree_map_hash): Ditto.
11697         (tree_map_marked_p): Ditto.
11698         (init_ttree): Set up tree_contains_struct and call langhook.
11699         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11700         (tree_code_size): Update for new structures.
11701         (tree_node_structure): Update for new structures.
11702         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11703         without the field.
11704         (copy_node_stat):  Copy init priority.
11705         (build_decl_stat): Ditto for visibility.
11706         (ts_enum_names): New.
11707         (tree_contains_struct_check_failed): New function.
11708         (decl_init_priority_lookup): Ditto.
11709         (decl_init_priority_insert): Ditto.
11710         * treestruct.def: New file.
11711         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11712         (CONTAINS_STRUCT_CHECK): Ditto.
11713         (tree_contains_struct_check_failed): New prototype.
11714         (DECL_CHECK): Removed.
11715         (DECL_MINIMAL_CHECK): New.
11716         (DECL_COMMON_CHECK): Ditto.
11717         (DECL_WRTL_CHECK): Ditto.
11718         (DECL_NON_COMMON_CHECK): Ditto.
11719         (DECL_WITH_VIS_CHECK): Ditto.
11720         (VAR_OR_FUNCTION_DECL_P): Ditto
11721         (struct tree_decl_minimal): New structure.
11722         (struct tree_decl_common): Ditto.
11723         (struct tree_decl_with_rtl): Ditto.
11724         (struct tree_decl_with_vis): Ditto.
11725         (struct tree_decl_non_common): Ditto.
11726         (struct tree_field_decl): Ditto.
11727         (struct tree_parm_decl): Ditto.
11728         (struct tree_var_decl): Ditto.
11729         (struct tree_function_decl): Ditto.
11730         (struct tree_const_decl): Ditto.
11731         (struct tree_result_decl): Ditto.
11732         (union tree_node): Add new structures.
11733         * var-tracking.c (track_expr_p): Reverse order of tests.
11734
11735         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11736
11737 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11738
11739         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11740         * system.h: Poison FINALIZE_PIC.
11741         * doc/tm.texi (FINALIZE_PIC): Remove.
11742
11743 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11744
11745         PR tree-opt/22329
11746         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11747         to the correct type if we have a MODIFY_EXPR.
11748
11749 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11750
11751         PR tree-optimization/22360
11752         * tree.c (upper_bound_in_type): Fix calculations for casting
11753         to a non-wider signed type and casting a signed value to a
11754         wider unsigned type.
11755         (lower_bound_in_type): Fix calculations for casting to a
11756         non-wider signed type.
11757
11758         PR tree-optimization/20139
11759         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11760         release_defs.
11761         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11762         fold_cond_expr_cond.
11763         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11764         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11765
11766 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11767
11768         PR tree-opt/22356
11769         * tree-complex.c (expand_complex_libcall): Produce
11770         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11771
11772 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11773
11774         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11775         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11776         b" assert and inserted fastpath code for this case.
11777         (bitmap_ior): Removed "a != b" assert.
11778
11779 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11780
11781         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11782         (ENDFILE_SPEC): Likewise.
11783         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11784
11785         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11786         a large stack frame at epilogue.
11787
11788 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11789
11790         * final.c: Include sdbout.h when required.
11791
11792 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11793
11794         * config.gcc (*-*-darwin*): Only one target-specific header file
11795         for generic darwin.
11796         (powerpc-*-darwin*): Add version-specific header files.
11797         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11798         * config.in: Regenerate.
11799         * configure: Regenerate.
11800         * gcc.c: Include xregex.h.
11801         (version_compare_spec_function): New.
11802         (spec_function): Add version-compare.
11803         (replace_outfile_spec_function): Reformat comment.
11804         (compare_version_strings): New.
11805         * config/darwin-c.c (version_as_macro): New.
11806         (builtin_define): New.
11807         (darwin_cpp_builtins): New.
11808         * config/darwin-protos.h (darwin_cpp_builtins): New.
11809         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11810         (LIB_SPEC): Make unconditional, update comment.
11811         (TARGET_C99_FUNCTIONS): Define.
11812         * config/darwin.opt: Sort.
11813         (mmacosx-version-min=): New.
11814         * config/darwin7.h: Delete.
11815         * config/darwin8.h: Delete.
11816         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11817         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11818         (TARGET_C99_FUNCTIONS): Define.
11819         * config/rs6000/darwin7.h: New.
11820         * config/rs6000/darwin8.h: New.
11821         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11822         (-mmacosx-version-min): Document.
11823
11824 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11825
11826         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11827
11828 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11829
11830         PR middle-end/22239
11831         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11832
11833 2005-07-07  Khem Raj  <kraj@mvista.com>
11834
11835         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11836         in bytes, not words.
11837
11838 2005-07-07  Paul Brook  <paul@codesourcery.com>
11839
11840         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11841         DEFAULT_FUNCTION_ARG_PADDING to upward.
11842
11843 2005-07-07  Richard Henderson  <rth@redhat.com>
11844
11845         * function.c (locate_and_pad_parm): Record parameter alignment in
11846         stack_alignment_needed.
11847
11848 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11849
11850         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11851         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11852         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11853         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11854         (define_attr "type"): Add isync, sync, load_l, store_c.
11855         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11856         Create scratch volatile MEM.
11857         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11858         sync.
11859         (load_locked_<mode>): New.
11860         (store_conditional_<mode>): New.
11861         (sync_compare_and_swap<mode>): Replace with splitter.
11862         (sync_lock_test_and_set<mode>): Replace with splitter.
11863         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11864         and UNSPECV_ISYNC.
11865         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11866         is ics.  Attribute isync.
11867         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11868         lwsync.
11869         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11870         and UNSPECV_SYNC_OP.
11871         (emit_unlikely_jump): New.
11872         (emit_load_locked): New.
11873         (emit_store_conditional): New.
11874         (rs6000_split_compare_and_swap): New.
11875         (rs6000_split_lock_test_and_set): New.
11876         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11877         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11878         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11879         rs6000_split_lock_test_and_set): Declare.
11880         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11881         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11882         store_c, isync, sync.
11883
11884 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11885
11886         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11887         filenames to gtyp-gen.h.
11888         (s-typ-gen): Use it in place of for loops.
11889
11890 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11891
11892         * hooks.c (hook_bool_rtx_int_false): New function.
11893         * hooks.h (hook_bool_rtx_int_false): Declare.
11894         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11895         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11896         * target.h (struct gcc_target): Add commutative_p member.
11897         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11898         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11899         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11900         (pa_commutative_p): New function.
11901         * jump.c (target.h): Include.
11902         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11903         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11904
11905 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11906
11907         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11908         (s390_expand_setmem): New.
11909         * config/s390/s390.c: Likewise.
11910         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11911         Adapt comments.
11912         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11913         general_operand.  Call new function "s390_expand_setmem".
11914         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11915         ("setmem_long", "*setmem_long"): ... this.
11916
11917 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11918
11919         * config/s390/s390.c: (optimization_options): Enable
11920         TARGET_MVCLE at -Os.
11921         * doc/invoke.texi: Document changes in default behaviour.
11922         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11923
11924 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11925
11926         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11927         defined by back-end.
11928
11929 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11930
11931         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11932         all sets in the pattern.
11933         * config/rs6000/rs6000.md (stack_protect_testsi,
11934         stack_protect_testdi): Likewise.
11935
11936 2005-07-06  Jeff Law  <law@redhat.com>
11937
11938         * tree-vrp.c (simplify_using_ranges): Kill.
11939         (vrp_finalize): Remove call to simplify_using_ranges.
11940         (simplify_stmt_using_ranges): New function extracted from
11941         simplify_using_ranges.
11942         (simplify_div_or_mod_using_ranges): Likewise.
11943         (simplify_abs_using_ranges): Likewise.
11944         (simplify_cond_using_ranges): New function.
11945         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11946         * tree-ssa-propagate.c (substitute_and_fold): Call
11947         simplify_stmt_using_ranges if we have range information.
11948
11949 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11950
11951         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11952         ia64_flag_schedule_isns2.
11953
11954         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11955         reading/writing general registers.
11956         (ia64_function_arg): Revert 2005-06-18 change.
11957
11958 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11959
11960         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11961         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11962
11963 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11964
11965         * function.c (expand_function_end): Revert part of 2005-06-27
11966         patch.  Do sjlj_emit_function_exit_after after return_label.
11967
11968 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11969
11970         * doc/install.texi (--disable-libssp): New.
11971
11972 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11973
11974         * doc/invoke.texi: Update -fforce-mem documentation.
11975         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11976         code for -fforce-mem.
11977         * expmed.c: (store_bit_field,store_fixed_bit_field,
11978         extract_bit_field): Ditto.
11979         * expr.c: (convert_move): Ditto.
11980         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11981         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11982         emit_conditional_add,expand_float,expand_fix): Ditto.
11983         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11984         (common_handle_option): Issue warning when -fforce-mem specified.
11985
11986 2005-07-06  Paul Brook  <paul@codesourcery.com>
11987
11988         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11989         argument is empty.
11990         * configure: Regenerate.
11991
11992 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11993
11994         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11995
11996 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11997
11998         Fix PR tree-optimization/22319
11999         Fix PR tree-optimization/22140
12000         Fix PR tree-optimization/22310
12001
12002         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12003         variable sized types.
12004         Use correct type for intermediate structure on *a = *b structure
12005         copies.
12006
12007 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12008
12009         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12010         Remove.
12011         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12012         (machine_function): Move typedef to...
12013         * config/rs6000/rs6000.c (machine_function): ... here.  Add
12014         varargs_save_offset field.
12015         (rs6000_stack_t): Remove varargs_size field.
12016         (setup_incoming_varargs): Allocate varargs save area using
12017         assign_stack_local, try to make it as small as possible.
12018         Save offset from virtual_stack_vars_rtx to the save area
12019         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
12020         instead of magic 8 when fp word byte size is used.
12021         (rs6000_va_start): Use cfun->machine->varargs_save_offset
12022         instead of -RS6000_VARARGS_SIZE.
12023         (rs6000_stack_info, debug_stack_info,
12024         rs6000_initial_elimination_offset): Remove all traces of
12025         varargs_size.
12026         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12027         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12028         RS6000_VARARGS_AREA.
12029
12030 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
12031
12032         PR tree-optimization/21963
12033         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12034         constant_multiple_of in the same way get_computation_cost_at does.
12035
12036 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12037
12038         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12039         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12040         (gen_compare_reg): If sparc_compare_emitted is set, clear it
12041         and return its previous value.
12042         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12043         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12044         constants.
12045         (stack_protect_set, stack_protect_test): New expanders.
12046         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12047         stack_protect_testdi): New insns.
12048         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12049         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12050
12051 2005-07-06  Jeff Law  <law@redhat.com>
12052
12053         * tree-ssa-dce.c (cfg_altered): New global.
12054         (tree_dce_init): Initialize cfg_altered.
12055         (remove_dead_stmt): If we remove an edge in the CFG, then set
12056         CFG_ALTERED.
12057         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12058         the dominators.
12059
12060 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12061
12062         * Makefile.in (stamp-collect-ld): Use
12063         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
12064         ./collect-ld if it already exists.
12065         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12066         Don't remove ./nm if it already exists.
12067
12068 2005-07-05  Devang Patel  <dpatel@apple.com>
12069
12070         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12071         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12072         * tree-vectorizer.c (vect_loop_location): New.
12073         (vect_print_dump_info): Use vect_loop_location.
12074         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12075         (vectorize_loops): Set vect_loop_location.
12076         * tree-vect-analyze.c (vect_analyze_offset_expr,
12077         vect_determin_vectorization_factor, vect_analyze_operations,
12078         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12079         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12080         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12081         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12082         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12083         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12084         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12085         vect_analyze_loop): Adjust vect_print_dump_info API.
12086         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12087         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12088         vect_finish_stmt_generation, vectorizable_assignment,
12089         vectorizable_operation, vectorizable_store, vectorizable_load,
12090         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12091         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12092         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12093         vect_transform_loop): Same.
12094         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12095         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12096         Same.
12097
12098 2005-07-05  Randolph Chung  <tausq@debian.org>
12099
12100         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12101         * configure: Regenerate.
12102         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12103         (pa_tls_referenced_p): Declare.
12104         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12105         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12106         (legitimize_tls_address): New.
12107         (hppa_legitimize_address): Handle TLS addresses.
12108         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12109         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12110         (emit_move_sequence): Handle TLS addresses.
12111         (pa_encode_section_info): Call default handler to handle common
12112         sections.
12113         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12114         (CONSTANT_ADDRESS_P): Reject TLS operands.
12115         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12116         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12117         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12118         (UNSPEC_TLSLE): Define new constants.
12119         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12120         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12121         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12122         (tie_symbolic_operand, tle_symbolic_operand): New
12123
12124 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
12125
12126         * aclocal.m4: Update macros for autoconf 2.59 style.
12127         * configure.ac: Likewise.
12128
12129 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12130
12131         * pa.c (function_value): Handle small aggregates on 32-bit targets.
12132         (function_arg): Pass small aggregates in general registers on 32-bit
12133         targets.
12134         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12135
12136 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
12137
12138         * Makefile.in (final.o): Fix dependencies.
12139
12140 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12141
12142         PR c/22013
12143         PR c/22098
12144         * langhooks.h (struct lang_hooks): Add expr_to_decl.
12145         * langhooks.c (lhd_expr_to_decl): New.
12146         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12147         New.
12148         (LANG_HOOKS_INITIALIZER): Update.
12149         * tree.c (recompute_tree_invarant_for_addr_expr): Call
12150         expr_to_decl langhook.
12151         * c-tree.h (c_expr_to_decl): Declare.
12152         * c-typeck.c (c_expr_to_decl): New.
12153         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12154         specially.
12155         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12156
12157 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12158
12159         PR c/22308
12160         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12161         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12162
12163 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
12164
12165         * Makefile.in: Adjust dependencies.
12166         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12167         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12168         * alias.c (rest_of_handle_cfg, pass_cfg): New.
12169         * bb-reorder.c (duplicate_computed_gotos): Make it static.
12170         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12171         rest_of_compilation.
12172
12173         * bb-reorder.c (gate_duplicate_computed_gotos,
12174         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12175         rest_of_handle_reorder_blocks, pass_reorder_blocks,
12176         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12177         pass_partition_blocks): New.
12178         * bt-load.c (gate_handle_branch_target_load_optimize,
12179         rest_of_handle_branch_target_load_optimize,
12180         pass_branch_target_load_optimize): New.
12181         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12182         pass_jump2): New.
12183         * cfglayout.c (pass_insn_locators_initialize): New.
12184         * cfgrtl.c (pass_free_cfg): New.
12185         * combine.c (gate_handle_combine, rest_of_handle_combine,
12186         pass_combine): New.
12187         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12188         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12189         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12190         * except.c (pass_set_nothrow_function_flags,
12191         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12192         pass_rtl_eh): New.
12193         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12194         rest_of_handle_shorten_branches, pass_shorten_branches,
12195         rest_of_clean_state, pass_clean_state): New.
12196         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12197         rest_of_handle_remove_death_notes, pass_remove_death_notes,
12198         rest_of_handle_life, pass_life, rest_of_handle_flow2,
12199         pass_flow2): New.
12200         * function.c (pass_instantiate_virtual_regs, pass_init_function,
12201         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12202         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12203         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12204         pass_gcse): New.
12205         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12206         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12207         pass_rtl_ifcvt, gate_handle_if_after_combine,
12208         rest_of_handle_if_after_combine, pass_if_after_combine,
12209         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12210         pass_if_after_reload): New.
12211         * integrate.c (pass_initial_value_sets): New.
12212         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12213         pass_purge_lineno_notes): New.
12214         * mode-switching.c (rest_of_handle_mode_switching,
12215         pass_mode_switching): New.
12216         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12217         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12218         pass_loop2): New.
12219         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12220         pass_loop_optimize): New.
12221         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12222         pass_sms): New.
12223         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12224         pass_gcse2): New.
12225         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12226         pass_postreload_cse): New.
12227         * profile.c (gate_handle_profiling, pass_profiling,
12228         rest_of_handle_branch_prob, pass_branch_prob): New.
12229         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12230         pass_split_before_regstack, gate_handle_split_before_regstack,
12231         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12232         rest_of_handle_split_all_insns, pass_split_all_insns): New.
12233         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12234         pass_stack_regs): New.
12235         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12236         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12237         pass_stack_adjustments): New.
12238         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12239         pass_regrename): New.
12240         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12241         pass_delay_slots, gate_handle_machine_reorg,
12242         rest_of_handle_machine_reorg, pass_machine_reorg): New.
12243         * rtl.h (extern void purge_line_number_notes): New.
12244         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12245         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12246         pass_sched2): New.
12247         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12248         pass_tracer): New.
12249         * value-prof.c (gate_handle_value_profile_transformations,
12250         rest_of_handle_value_profile_transformations,
12251         pass_value_profile_transformations): New.
12252         * var-tracking.c (gate_handle_var_tracking,
12253         pass_variable_tracking): New.
12254         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12255
12256         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12257         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12258         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12259         rest_of_handle_old_regalloc, rest_of_handle_regrename,
12260         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12261         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12262         rest_of_handle_gcse2, rest_of_handle_regmove,
12263         rest_of_handle_tracer, rest_of_handle_if_conversion,
12264         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12265         rest_of_handle_web, rest_of_handle_branch_prob,
12266         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12267         rest_of_handle_jump_bypass, rest_of_handle_combine,
12268         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12269         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12270         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12271         rest_of_handle_mode_switching, rest_of_handle_jump,
12272         rest_of_handle_eh, rest_of_handle_stack_adjustments,
12273         rest_of_handle_flow2, rest_of_handle_jump2,
12274         rest_of_handle_peephole2, rest_of_handle_postreload,
12275         rest_of_handle_shorten_branches, rest_of_clean_state,
12276         rest_of_compilation): Remove.
12277
12278         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12279         * passes.c (dump_flags, in_gimple_form, all_passes,
12280         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12281         register_dump_files, next_pass_1, last_verified, execute_todo,
12282         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12283         from tree-optimize.c.
12284         (init_optimization_passes): Moved from tree-optimize.c,
12285         adding the RTL optimizations.
12286         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12287         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12288         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12289         register_dump_files, next_pass_1, last_verified, execute_todo,
12290         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12291         init_tree_optimization_passes, ipa_passes): Delete.
12292         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12293         the RTL dumps.
12294         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12295         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12296         from tree.h.
12297         (ipa_passes): Remove.
12298         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12299         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12300         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12301         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12302         (dump_info_p, dump_flag): Moved to tree-dump.h.
12303
12304         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12305         cgraph.c, opts.c.
12306         * passes.c (finish_optimization_passes): Use dump_begin
12307         and dump_end, TDI_end.
12308         (gate_rest_of_compilation): New.
12309         (pass_rest_of_compilation): Use it.
12310         (gate_postreload, pass_postreload): New.
12311         * toplev.c (general_init): Rename init_tree_optimization_passes.
12312         * toplev.h (init_tree_optimization_passes): Rename to
12313         init_optimizations_passes.
12314         * tree-dump.c (dump_flag): Make static.
12315         (dump_files): Remove RTL dumps.
12316         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12317         pass_cleanup_cfg, pass_free_cfg_annotations,
12318         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12319         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12320         * tree-pretty-print.c: Include tree-pass.h.
12321         * cgraph.c: Include tree-dump.h.
12322
12323 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12324
12325         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12326         Only fall back to saying it points to readonly memory if
12327         we can't do better.
12328
12329 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12330
12331         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12332         * config/m32r/m32r.c (m32r_compute_frame_size,
12333         m32r_expand_prologue): Take current_function_profile into
12334         account whenever we reference
12335         current_function_uses_pic_offset_table.
12336         (m32r_finalize_pic): Remove.
12337         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12338
12339 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12340
12341         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12342         instead of $<.  Don't remove ./as if it already exists.
12343
12344 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12345
12346         PR target/21723
12347         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12348         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12349         for complex modes when generating code for PA 1.0.
12350         (VALID_FP_MODE_P): New macro.
12351         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12352         sets for all general and floating point modes.  Align wide floating
12353         point modes to even register boundaries to comply with architectural
12354         requirements.
12355         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12356         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12357         (VALID_FP_MODE_P): New macro.
12358         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12359         sets for all general and floating point modes.  Align wide floating
12360         point modes to even register boundaries to comply with architectural
12361         requirements.
12362
12363 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12364
12365         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12366         to 0.
12367
12368 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12369
12370         * tree-ssa-structalias.c: Don't include expr.h.
12371
12372 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12373
12374         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12375         comments.
12376
12377 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12378
12379         Fix PR tree-optimization/22279
12380
12381         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12382         correct operator.
12383
12384 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12385
12386         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12387
12388 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12389
12390         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12391         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12392         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12393         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12394         config/stormy16/stormy16.c, config/v850/v850.c,
12395         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12396         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12397         Avoid "." or "\n" at end of diagnostics and capital letters at
12398         start of diagnostics.
12399         * combine.c, cse.c: Don't translate dump file output.
12400         * toplev.c (print_version): Only translate output if going to
12401         stderr.
12402
12403 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12404
12405         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12406         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12407         typos.
12408
12409 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12410
12411         * pa.c (fix_range): Fix typo in comment.
12412
12413 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12414
12415         * tree-vrp.c (extract_range_from_assert): Replace
12416         fold (build (...)) with fold_build2.
12417
12418 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12419
12420         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12421         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12422         (format_types_orig, handle_format_attribute): Add support for
12423         format "gcc_gfc".
12424
12425 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12426
12427         * varasm.c (assemble_variable): Fix format specifier thinko.
12428
12429 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12430
12431         PR tree-optimization/22029 (and 22135)
12432         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12433         a phi node before calling dump_vops.
12434
12435 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12436
12437         * tree-dump.h (dump_string_field): Declare.
12438         * tree-dump.c: Use it instead of dump_string.
12439         (dump_string_field): Make non-static.
12440
12441 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12442
12443         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12444         up the minimal CFG stuff always when optimize > 0.  Call
12445         split_all_insns_noflow in PIC case if needed.
12446
12447 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12448             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12449
12450         PR c++/18279
12451         * c-decl.c (c_write_global_declarations): Dump contents of
12452         external scope to.
12453         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12454         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12455         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12456         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12457         is enabled.
12458
12459 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12460
12461         * c-common.h (GCC_DIAG_STYLE): Define.
12462         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12463         version for format checking to 4.1.
12464         * c-format.c: Include toplev.h after c-common.h.
12465         (enum format_type): Add gcc_tdiag_format_type.
12466         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12467         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12468         (format_types_orig): Add gcc_tdiag.
12469         (init_dynamic_diag_info): Support gcc_tdiag formats.
12470         (handle_format_attribute): Likewise.
12471         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12472         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12473         version for format checking to 4.1.
12474         (warning0, warning, error, pedwarn, sorry): Use
12475         ATTRIBUTE_GCC_DIAG.
12476         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12477         (finish_aliases_1): Do not use %qE.
12478         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12479         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12480         Correct format bugs.
12481         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12482         parameter to unsigned HOST_WIDE_INT.
12483         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12484
12485 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12486
12487         PR middle-end/21742
12488         * expr.c (write_complex_part): Use adjust_address for MEM.
12489         (read_complex_part): Same.
12490
12491 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12492
12493         Fix PR tree-optimization/22280
12494
12495         * tree-sra.c (generate_element_init): Remove useless loop.
12496
12497 2005-07-02  Richard Henderson  <rth@redhat.com>
12498
12499         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12500         TLS_MODEL_NONE.
12501         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12502
12503 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12504
12505         PR middle-end/14490
12506         * fold-const.c (fold_binary): Handle the return value of
12507         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12508         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12509
12510 2005-07-02  Jeff Law  <law@redhat.com>
12511
12512         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12513         a eliminate type conversion which feeds an equality comparison
12514         if the original type or either operand in the comparison is a
12515         function pointer.
12516
12517 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12518
12519         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12520         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12521         texts.
12522         * config/avr/avr.c: Do not use '`' as left quote.
12523         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12524         Remove "." from end of diagnostics.  Make diagnostics start with
12525         lowercase letter.
12526
12527 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12528             Joseph S. Myers  <joseph@codesourcery.com>
12529
12530         * toplev.c (default_tree_printer): Handle setting location with
12531         '+' flag.
12532         * c-objc.common.c (c_tree_printer): Likewise.
12533         * c-format.c (gcc_diag_flag_specs): Add '+'.
12534         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12535         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12536         formats.
12537         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12538         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12539         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12540         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12541         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12542         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12543         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12544         format arguments where %J is used without %D.
12545
12546 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12547
12548         * gcc.c (LINK_SSP_SPEC): Define.
12549         (link_ssp_spec): New variable.
12550         (LINK_COMMAND_SPEC): Add %(link_ssp).
12551         (static_specs): Add link_ssp_spec.
12552         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12553         * configure: Rebuilt.
12554         * config.in: Rebuilt.
12555
12556         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12557         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12558         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12559         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12560         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12561         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12562         -0x7008(2) instead of reading __stack_chk_guard variable.
12563         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12564         number.
12565         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12566         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12567         if TARGET_THREAD_SSP_OFFSET is defined.
12568         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12569         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12570
12571         Revert:
12572         2005-06-27  Richard Henderson  <rth@redhat.com>
12573         * libgcc-std.ver (GCC_4.1.0): New.
12574         * libgcc.h (__stack_chk_guard): Declare.
12575         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12576         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12577         * mklibgcc.in (lib2funcs): Add them.
12578
12579 2005-07-01  Richard Henderson  <rth@redhat.com>
12580
12581         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12582         void * before struct sigcontext *.
12583         (x86_fallback_frame_state): Likewise.
12584
12585 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12586
12587         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12588
12589 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12590
12591         PR tree-opt/22269
12592         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12593         we check for SSA_NAME for.
12594
12595 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12596
12597         Fix PR tree-optimization/22071
12598
12599         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12600         function.
12601         (get_constraint_for_component_ref): Use it.
12602
12603 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12604
12605         PR other/22264
12606         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12607         print out the last new line.
12608
12609 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12610
12611         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12612         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12613         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12614         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12615         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12616         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12617         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12618         (enum reg_class): New member CC0_REGS.
12619         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12620         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12621         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12622         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12623         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12624         Adjust for register now described.
12625
12626 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12627
12628         PR target/22262
12629         * config/i386/i386.md (stack_protect_test_si,
12630         stack_protect_test_di): Add earlyclobber for scratch 3.
12631         * config/rs6000/rs6000.md (stack_protect_testsi,
12632         stack_protect_testdi): Add earlyclobber for scratch 3,
12633         remove earlyclobber from scratch 4.
12634
12635 Older entries for 2005 can be found in ChangeLog-2005.