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Fixed typo in changelog.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
2
3         * flow.c (update_life_info, count_or_remove_death_notes): Fixed
4         latent bug that could happen if update_life_info was called with a
5         blocks parameter and the call to cleanup_cfg actually deleted one
6         of those blocks. 
7
8 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
9
10         * tree-ssa-structalias.c (update_alias_info): Remove handling
11         of may_be_aliased (SSA_NAME_VAR (op)) case.
12
13 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
14
15         * tree-flow.h (struct stmt_ann_d): Remove
16         makes_aliased_loads and makes_aliased_stores fields.
17         * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
18         and makes_aliased_loads fields.
19         * tree-ssa-dom.c (eliminate_redundant_computations): Do not
20         use makes_aliased_stores.
21         * tree-ssa-operands.c (clobbered_aliased_loads,
22         clobbered_aliased_stores, ro_call_aliased_loads): Removed.
23         (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
24         add_call_read_ops): Do not set makes_aliased_stores and
25         makes_aliased_loads fields.
26         * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
27         field.
28
29 2005-12-18  Geoffrey Keating  <geoffk@apple.com>
30
31         * config/darwin.h: Don't include darwin-sections.def to declare
32         global variables; instead create darwin_section_enum.
33         (darwin_section_enum): New.
34         (darwin_sections): New.
35         * config/darwin.c: Don't include darwin-sections.def to define
36         global variables.
37         (darwin_sections): New.
38         (output_objc_section_asm_op): Rewrite to take advantage of
39         darwin_sections.
40         (darwin_init_sections): Rewrite to use darwin_sections.
41         (machopic_output_indirection): Update for darwin_sections array.
42         (machopic_select_section): Likewise.
43         (machopic_select_rtx_section): Likewise.
44         (machopic_asm_out_constructor): Likewise.
45         (machopic_asm_out_destructor): Likewise.
46         (darwin_file_end): Likewise.
47         * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
48         * config/i386/i386.c (machopic_output_stub): Likewise.
49
50 2005-12-18  Richard Guenther  <rguenther@suse.de>
51
52         PR tree-optimization/25481
53         * tree-ssa-structalias.c (handle_ptr_arith): Handle
54         accesses we don't have a varinfo for.
55
56 2005-12-17  Jon Grimm  <jgrimm2@us.ibm.com>
57             Janis Johnson  <janis187@us.ibm.com>
58             Ben Elliston  <bje@au.ibm.com>
59
60         * optabs.c (init_floating_libfuncs): Handle decimal float modes.
61         (init_optabs): Handle libfuncs for decimal float.
62         * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
63         * stor-layout.c (int_mode_for_mode): Likewise.
64         * simplify-rtx.c (simplify_immed_subreg): Likewise.
65         (simplify_unary_operation_1): Skip optimisations for decimal float
66         modes.
67         * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
68         * emit-rtl.c (gen_const_vector): Add assertion check.
69         (init_emit_once): Populate const_tiny_rtx with constants in each
70         decimal float mode.
71         * expmed.c (extract_high_half, expand_mult_highpart_optab,
72         expand_mult_highpart): Assert that mode is not a scalar float
73         mode.
74         * expr.c (convert_move): Handle conversion between decimal and
75         binary floats of the same size.
76         * convert.c (convert_to_real): Consider decimal float types when
77         folding.
78         * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
79         describe decimal floating point types.
80         
81 2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
82
83         PR rtl-optimization/21041
84         * reload.c (find_reloads_subreg_address): Replace paradoxical
85         subreg of MEM by widened access only if the resulting memory
86         is properly aligned, even on !STRICT_ALIGNMENT targets.
87
88 2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
89
90         * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
91
92 2005-12-18  Steven Bosscher  <stevenb@suse.de>
93
94         * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
95         the 2005-12-17 patch to renumber the entry and exit blocks.
96
97 2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
98
99         * doc/objc.texi (Type encoding): Fix typo.
100
101 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
102
103         * tree-tailcall.c (find_tail_calls): Use XNEW.
104         * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
105         (free_all_edge_infos): Use explicit cast to convert from void *.
106         (vrp_free): Likewise.
107         (dom_opt_finalize_block): Likewise.
108         (record_equivalences_from_incoming_edge): Likewise.
109         (thread_across_edge): Likewise.  Use XCNEWVEC.
110         (record_cond): Use XCNEW.
111         (record_conditions): Use XNEWVEC.
112         (record_edge_info): Use XCNEWVEC.
113         (lookup_avail_expr): Use XNEW.
114         (record_range): Likewise.  Use GGC_NEW.
115         * tree-nested.c (var_map_hash): Use explicit cast to convert from
116         void *.
117         (var_map_eq): Likewise.
118         (lookup_field_for_decl): Likewise.
119         (convert_nonlocal_reference): Likewise.
120         (convert_local_reference): Likewise.
121         (convert_nl_goto_reference): Likewise.
122         (convert_nl_goto_receiver): Likewise.
123         (convert_call_expr): Likewise.
124         (convert_tramp_reference): Likewise.
125         (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
126         (convert_nl_goto_reference): Likewise.
127         (lookup_field_for_decl): Use GGC_NEW.
128         (create_nesting_tree): Use GGC_CNEW.
129         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
130         * tree-ssa-alias.c (init_alias_info): Use XCNEW.
131         (create_alias_map_for): Likewise.
132         (setup_pointers_and_addressables): Use XCNEWVEC.
133         (get_ptr_info): Use GGC_NEW.
134         (used_part_map_eq): Use explicit cast to convert from void *.
135         (up_lookup): Likewise.
136         (up_insert): Use XNEW.
137         (get_or_create_used_part_for): Use XCNEW.
138         (get_tmt_for): Likewise.
139         * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
140         * tree-ssa-pre.c (phi_trans_add): Use XNEW.
141         (bitmap_set_new): Use explicit cast to convert from void *.
142         (set_new): Likewise.
143         (insert_into_set): Likewise.
144         (pool_copy_list): Likewise.
145         (phi_translate): Likewise.
146         (create_value_expr_from): Likewise.
147         (insert_aux): Use XCNEWVEC.
148         (compute_avail): Use XNEWVEC.
149         * tree-ssa-live.c (calculate_live_on_entry): Likewise.
150         (sort_coalesce_list): Likewise.
151         (build_tree_conflict_graph): Use XCNEWVEC.
152         * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
153         * tree-ssa-copy.c (init_copy_prop): Likewise.
154         (fini_copy_prop): Likewise.
155         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
156         and XCNEWVEC.
157         (record_equiv): Use XNEW.
158         (uncprop_into_successor_phis): Use explicit cast to convert from
159         void *.
160         (uncprop_initialize_block): Likewise.
161
162 2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
163
164         PR tree-optimization/24378      
165         * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
166         basic-block after loop-versioning. 
167
168 2005-12-18  Jeff Law  <law@redhat.com>
169
170         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
171         to simplify SWITCH_EXPR_CODE moved from here to ...
172         * tree-ssa-forwprop.c (simplify_switch_expr): Here.
173         (tree-ssa-forward_propagate_single_use_vars): Call
174         simplify_switch_expr when appropriate.
175
176 2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
177
178         * doc/objc.texi (Type encoding): Add documentation about encoding
179         complex types and _Bool.
180
181 2005-12-17  Paul Brook  <paul@codesourcery.com>
182
183         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
184         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
185         when frame_pointer_needed. 
186
187 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
188
189         * tree-vn.c (vn_add): Use XNEW.
190         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
191         (ccp_fold): Likewise.
192         (fold_stmt_r): Use explicit cast to convert from void *.
193         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
194         (new_temp_expr_table): Likewise.
195         * gimplify.c (lookup_tmp_var): Use XNEW.
196         (gimplify_asm_expr): Use explcit cast to convert from void *.
197         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
198         (get_def_blocks_for): Use XNEW.
199         (add_to_repl_tbl): Likewise.
200         (mark_def_sites): Use explicit cast to convert from void *.
201         (def_blocks_free): Likewise.
202         (mark_def_sites_initialize_block): Likewise.
203         (update_ssa): Use XNEWVEC.
204         * tree-dfa.c (create_var_ann): Use GGC_NEW.
205         (create_stmt_ann): Likewise.
206         (create_tree_ann): Likewise.
207         (referenced_var_insert): Likewise.
208         (set_default_def): Likewise.
209         (referenced_var_lookup_if_exists): Use explicit cast to convert
210         from void *.
211         (referenced_var_lookup): Likewise.
212         (default_def): Likewise.
213         (set_default_def): Likewise.
214         * tree-cfg.c (create_bb): Likewise.
215         (edge_to_cases_cleanup): Likewise.
216         (verify_node_sharing): Likewise.
217         (record_switch_edge): Use XNEW.
218         (cleanup_dead_labels): Use XCNEWVEC.
219         (tree_duplicate_sese_region): Use XNEWVEC.
220         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
221         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
222         (int_tree_map_eq): Use explicit cast to convert from void *.
223         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
224         (__gcov_execl): Likewise.
225         (__gcov_execlp): Likewise.
226         (__gcov_execle): Likewise.
227         * tree-eh.c (struct_ptr_eq): Likewise.
228         (struct_ptr_hash): Likewise.
229         (lookup_stmt_eh_region_fn): Likewise.
230         (outside_finally_tree): Likewise.
231         (find_goto_replacement): Likewise.
232         (make_eh_edge): Likewise.
233         (mark_eh_edge): Likewise.
234         (add_stmt_to_eh_region_fn): Use GGC_NEW.
235         (record_in_finally_tree): Use XNEW.
236         (maybe_record_in_goto_queue): Use XRESIZEVEC.
237         (lower_try_finally_copy): Use XCNEWVEC.
238
239 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
240
241         * tree-inline.c (copy_body_r): Use explicit cast when converting
242         from void *.
243         (copy_bb): Likewise.
244         (copy_edges_for_bb): Likewise.
245         (remap_decl_1): Likewise.
246         (estimate_num_insns_1): Likewise.
247         * cgraph.c (hash_node): Use explicit cast when converting from
248         void *.
249         (eq_node): Likewise.
250         (cgraph_create_node): Use GGC_CNEW.
251         (cgraph_create_edge): Use GGC_NEW.
252         (cgraph_remove_node): Use explicit cast when converting from void *.
253         (hash_varpool_node): Likewise.
254         (eq_varpool_node): Likewise.
255         (cgraph_varpool_node): Use GGC_CNEW.
256         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
257         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
258         (eq_scev_info): Use explicit cast when converting from void *.
259         (find_var_scev_info): Likewise.
260         (set_instantiated_value): Likewise.
261         (gather_stats_on_scev_database_1): Likewise.
262         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
263         from void *.
264         * c-pch.c (c_common_write_pch): Use XNEWVEC.
265         (c_common_read_pch): Likewise.
266         * prefix.c (save_string): Use XNEWVEC.
267         (translate_name): Use explicit cast when converting from void *.
268         * c-ppoutput.c (print_line): Use explicit cast when converting
269         from void *.
270         (pp_dir_change): Likewise.
271         * c-cppbuiltin.c (builtin_define_std): Likewise.
272         (builtin_define_with_value): Likewise.
273         (builtin_define_with_value_n): Likewise.
274         (builtin_define_with_int_value): Likewise.
275         (builtin_define_type_max): Likewise.
276         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
277         (add_path): Use XNEW.
278         * c-format.c (check_format_info_main): Use GGC_NEW.
279         (format_type_warning): Use explicit cast when converting from void *.
280         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
281         xmalloc. 
282         (start_init): Likewise.
283         * tree-flow-inline.h (first_referenced_var): Use explicit cast
284         when converting from void *.
285         (next_referenced_var): Likewise.
286         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
287         * gensupport.c (lookup_predicate): Use explicit cast to convert
288         from void *.
289         (init_predicate_table): Use XCNEW instead of xcalloc.
290         * genpreds.c (process_define_predicate): Likewise.
291
292 2005-12-17  Danny Berlin <dberlin@dberlin.org>
293             Kenneth Zadeck <zadeck@naturalbridge.com>
294
295         * basic-block.h: Changed basic block numbering so that the entry
296         block is 0 and the exit block is 1.  Changed insn iterators so
297         that they are tolerant of blocks with no insns.
298         * regrename.c (copyprop_hardreg_forward): Changed basic block
299         numbering so that the entry block is 0 and the exit block is 1.
300         * sched-ebb.c (sehedule_ebbs): Ditto.
301         * tracer.c (branch_ratio_cutoff): Ditto.
302         * cfgloopmanip.c (fix_loop_structure): Ditto.
303         * cfghooks.c (verify_flow_info): Ditto.
304         * cfg.c (compact_blocks): Ditto.
305         * reorg.c (dbr_schedule): Ditto.
306         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
307         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
308         calculate_dominance_info): Ditto.
309         * cfganal.c (create_edge_list, print_edge_list,
310         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
311         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
312         dfs_enumerate_from): Ditto.
313         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
314         * ifcvt.c (find_if_case_2): Ditto.
315         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
316         find_basic_blocks): Ditto.
317         * predict.c (predict_loops, tree_bb_level_predictions,
318         predict_paths_leading_to, propagate_freq): Ditto.
319         * lcm.c (compute_antinout_edge, compute_laterin,
320         compute_available): Ditto.
321         * function.c (thread_prologue_and_epilogue_insns): Ditto.
322         * gcse.c (gcse_main, bypass_jumps): Ditto.
323         * profile.c (compute_branch_probabilities,
324         compute_value_histograms, branch_prob): Ditto.
325         * tree-flow-inline.h (bsi_start, bsi_after_labels,
326         bsi_last): Ditto.
327         * tree-ssa-phiopt.c (tree_ssa_phiopt,
328         blocks_in_phiopt_order): Ditto.
329         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
330         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
331         * tree-dfa.c (collect_dfa_stats): Ditto.
332         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
333         * cfglayout.c (fixup_reorder_chain): Ditto.
334         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
335         partition_hot_cold_basic_blocks): Ditto.
336         * var-tracking.c (vt_find_locations): Ditto.
337         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
338         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
339         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
340         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
341         * tree-ssa-reassoc.c (init_reassoc): Ditto.
342         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
343         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
344         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
345         and removed unused reverse orders.
346         * df.h (): Ditto.
347         * combine.c: Fix document typo.
348
349 2005-12-17  Jan Hubicka  <jh@suse.cz>
350
351         * tree-flow-inline.h (set_default_def, default_def): Kill.
352         * tree-dfa.c (default_defs): New global variable.
353         (default_def, set_default_def): New functions.
354         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
355         * tree-flow.h (struct var_ann_d): Kill default_def field.
356         (set_default_def, default_def): Update prototype.
357         (default_defs): Declare.
358
359 2005-12-16  Jeff Law  <law@redhat.com>
360
361         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
362         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
363         into tree-ssa-forwprop.c.
364         (eliminate_redundant_computations): Do not call
365         simplify_rhs_and_lookup_avail_expr anymore.
366         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
367         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
368         (tree_ssa_forward_propagate_single_use_vars): Call
369         simplify_not_neg_expr appropriately.
370
371 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
372
373         PR target/20016
374         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
375
376 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
377
378         PR rtl-optimization/25456
379         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
380         info->x_start with p->x_start.
381
382 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
383
384         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
385         introduced 2005-12-16.
386
387 2005-12-16  Steven Bosscher  <stevenb@suse.de>
388
389         PR rtl-optimization/23837
390         * optabs.c (expand_binop): For a multi-word rotate, never emit
391         a REG_NO_CONFLICT block.
392
393 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
394
395         PR middle-end/25457
396         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
397
398         PR target/25447
399         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
400         MODE_DECIMAL_FLOAT.
401
402 2005-12-16  Steven Bosscher  <stevenb@suse.de>
403
404         * loop-invariant.c (move_loop_invariants): Add missing hunk from
405         the previous patch, to nullify df.
406
407 2005-12-16  Steven Bosscher  <stevenb@suse.de>
408
409         * reorg.c (mostly_true_jump): Clean up code depending on
410         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
411         poor man's branch prediction, instead rely on REG_BR_PROB
412         notes to be available.
413
414 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
415
416         PR rtl-optimization/24899
417         * loop.c (strength_reduce): Don't reduce giv that is not always
418         computable and where add_val or mult_val can trap.
419
420         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
421
422 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
423
424         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
425         names of ms1-16-002 files.
426
427 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
428
429         PR driver/20425
430         * gcc.c (for_each_path): New function.
431         (add_to_obstack, file_at_path): New functions.
432         (struct file_at_path_info, struct add_to_obstack_info): New.
433         (build_search_list): Rewrite using for_each_path.  Constify struct
434         path_prefix pointer.  Add do_multi param.  Adjust all callers.
435         (find_a_file): Similarly, but just change existing param to bool.
436         (putenv_from_prefixes): Add do_multi param, make "paths" const.
437         (do_spec_path): Delete.
438         (struct spec_path_info): New.
439         (spec_path): New function.
440         (do_spec_1): Use for_each_path for %D and %I.
441         (find_file): Adjust for find_a_file changes.
442         (main): Search multilibs for specs.  Print multilib lib path for
443         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
444         (read_specs): Search multilibs for %include and %include_noerr.
445         (is_directory): Remove second string param.  Change last param
446         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
447         check path is a dir.  Update all callers.
448         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
449         * system.h (SMALL_ARG_MAX): Poison.
450         * config.gcc: Don't define SMALL_ARG_MAX.
451         * config.host: Likewise.
452         * config.build: Likewise.
453
454 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
455
456         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
457         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
458         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
459         simplify_logical): Move simplifications that do not require
460         additional infrastructure...
461         * simplify-rtx.c (simplify_unary_operation_1,
462         simplify_binary_operation_1): ... here.
463
464 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
465
466         PR 24823
467         * flow.c (mark_used_dest_regs): New function.
468         (mark_used_regs): Call mark_used_dest_regs.
469
470 2005-12-16  Jeff Law  <law@redhat.com>
471
472         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
473         represent a use and definition of the same SSA_NAME.
474
475 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
476             Janis Johnson  <janis187@us.ibm.com>
477             Ben Elliston  <bje@au.ibm.com>
478
479         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
480         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
481         * target.h (struct gcc_target): Add decimal_float_supported_p.
482         * targhooks.c (default_scalar_mode_supported_p): Handle
483         MODE_DECIMAL_FLOAT.
484         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
485         of inf, nan, finite, isinf and isnan.
486         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
487         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
488         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
489         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
490         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
491         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
492         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
493         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
494         Pedwarn if decimal floating point types are used.  Error if
495         decimal floating point is not supported by the target.
496         (finish_declspecs): Return type from DFP typespec_word.
497         * c-typeck.c (c_common_type): Choose the decimal floating point
498         type with the greater precision when determining a common type.
499         (convert_arguments): Warn if there is a mismatch between argument
500         and prototype for decimal float types.  Warn of conversions with
501         binary float types and of precision narrowing due to prototype.
502         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
503         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
504         (c_token_starts_declspecs): Likewise.
505         (c_parser_attributes): Likewise.
506         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
507         RID_DFLOAT64, RID_DFLOAT128.
508         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
509         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
510         (shorten_compare): Convert DFP/BFP operands to a common type.
511         (c_common_modes_and_builtins): Register built-in decimal float
512         types if the target supports them.
513         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
514         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
515         inf, nan, finite, isinf and isnan builtins.
516         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
517         (builtin_define_float_constants): Assert non-decimal radix.
518         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
519         Call builtin_define_decimal_float_constants for each type.
520         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
521         flags.  Use real_from_string3, which can handle binary or decimal
522         floats.
523         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
524         cts_dfloat64, cts_dfloat128.
525         * tree.c (build_common_tree_nodes_2): Add decimal float types.
526         * tree.h (enum tree_index): Add new enumeration values
527         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
528         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
529         (dfloat32_type_node): New macro.
530         (dfloat64_type_node, dfloat128_type_node): Likewise.
531         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
532         (dfloat128_ptr_type_node): Likewise.
533         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
534         bit decimal floating point types with "df", "dd" and "dl".
535         * c-format.h (enum format_lengths): Add new enumeration values
536         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
537         * c-format.c (printf_length_specs, scanf_length_specs): Add
538         entries for H, D, DD.
539         (print_char_table, scan_char_table): Use new entries.
540         (asm_fprintf_char_table, gcc_diag_char_table,
541         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
542         length arrays.
543         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
544         (DECIMAL64_TYPE_SIZE): Likewise.
545         (DECIMAL128_TYPE_SIZE): Likewise.
546         (TARGET_DEC_EVAL_METHOD): Likewise.
547         * doc/extend.texi (Decimal Float): New node.
548         (Constructing Calls): Document decimal float built-ins.
549         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
550         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
551         * ginclude/decfloat.h: New file.
552
553 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
554
555         * reload.c (find_reloads): Fix comment typo.
556         * recog.h (recog_memoized): Correct comment.
557
558 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
559
560         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
561         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
562         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
563         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
564         * doc/invoke.texi, doc/tm.texi: Fix typos.
565
566 2005-12-16  Ben Elliston  <bje@au.ibm.com>
567
568         * real.c (decimal_quad_format): Correct values for emin, emax.
569
570 2005-12-15  DJ Delorie  <dj@redhat.com>
571
572         * config/m32c/predicates.md (m32c_psi_scale): New.
573         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
574         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
575
576 2005-12-16  Jan Hubicka  <jh@suse.cz>
577
578         PR rtl-optimization/25224
579         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
580         tables.
581
582 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
583             Steven Bosscher <stevenb@suse.de>
584
585         * loop-invariant.c (df): New global variable.
586         (find_defs, check_dependencies, find_invariant_insn, record_uses,
587         find_invariants_bb, find_invariants_body, find_invariants,
588         find_invariants_to_move, move_invariants, free_inv_motion_data,
589         move_single_loop_invariants, move_loop_invariants): Do not pass df in
590         arguments.
591
592 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
593
594         * varasm.c (default_unique_section_1): Use special section
595         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
596
597 2005-12-16  Ben Elliston  <bje@au.ibm.com>
598
599         * doc/invoke.texi (Warning Options): Document -Walways-true being
600         enabled by -Wall.
601
602 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
603
604         PR other/25028
605         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
606         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
607         __floatunditf): Use #error if type sizes don't match requirements
608         of implementation.
609         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
610         as wider floating-point type.  Use #error if type sizes don't
611         match requirements of implementation.  Avoid overflow in computing
612         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
613         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
614         (__floatundisf, __floatundidf): Likewise.
615         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
616         * config/ia64/ia64.c (ia64_init_libfuncs): Use
617         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
618         TFmode-TImode conversions.
619         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
620
621 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
622
623         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
624         Use builtin_define_with_int_value() instead of
625         adding a new check for every new major FreeBSD version.
626
627 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
628
629         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
630
631 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
632
633         * config/arm/predicates.md (call_memory_operand): New.
634         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
635
636 2005-12-15  Andrew Haley  <aph@redhat.com>
637
638         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
639         against prev_cache_entry == NULL when moving a cache entry to the
640         head of the list.
641         
642 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
643
644         * config/mt/mt.c (mt_override_options): Require lower case
645         architectures.  Revert accidental default to ms2.
646         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
647         ENDFILE_SPEC): Require lower case architectures.  Revert default
648         to ms2.
649
650         * doc/invoke.texi (MT Options): Rename and update.
651         * doc/md.texi (MorphoTech family): Rename and update.
652
653 2005-12-15  Olivier Hainque  <hainque@adacore.com>
654
655         * stor-layout.c (layout_type): Don't complain about a too small
656         an array element type size compared to its alignment when the
657         size overflows.
658
659 2005-12-15  Jan Hubicka  <jh@suse.cz>
660
661         PR target/24969
662         * i386.c (classify_argument): Properly adjust offset of bitfield for
663         substructures.
664
665 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
666
667         * final.c (final_scan_insn): Flip in_cold_section_p when changing
668         between the hot and cold sections.  Use current_function_section
669         to get the new section.
670         * dwarf2out.c (output_line_info): Use in_cold_section_p to
671         determine whether we are assembling hot or cold code.
672         (secname_for_decl, dwarf2out_var_location): Likewise.
673         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
674         * varasm.c (last_text_section): Delete.
675         (in_cold_section_p): New variable.
676         (hot_function_section): New function.
677         (current_function_section): Pass in_cold_section_p as the
678         reloc argument to select_section.  Use it to decide between
679         unlikely_function_section and hot_function_section.
680         (assemble_start_function): Use switch_to_section.  Set
681         in_cold_section_p instead of last_text_section.
682         (assemble_end_function): Use switch_to_section.
683         (switch_to_section): Don't set last_text_section.
684         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
685         argument to make the right choice between hot and cold sections.
686
687 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
688
689         Second part of MS1->MT renaming
690         * config/mt/mt.md (doloop_end): Call mt_add_loop.
691         (movqi, movhi): Call mt_set_memflags.
692         (*movdf_internal): Call mt_split_words. 
693         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
694         mt_set_memflags.
695         (cmpsi): Store to mt_compare_op[01].
696         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
697         bungt, bunle, bunlt): Call mt_emit_cbranch.
698         (prologue): Call mt_expand_prologue.
699         (epilogu): Call mt_expend_epilogue.
700         (eh_return): Call mt_expand_eh_return.
701         (eh_epilogue): Call me_emit_eh_epilogue.
702         (conditional_trap): Store to mt_compare_op[01].
703         * config/mt/crti.asm: Adjust comment.
704         * config/mt/crtn.asm: Adjust comment.
705         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
706         (mt_compare_op0, mt_compare_op1): Renamed.
707         (current_frame_info, zero_frame_info): Adjust type.
708         (mt_ucmpsi3_libcall): Renamed.
709         (mt_flag_delayed_branch): Renamed.
710         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
711         (mt_nops_required, mt_nop_reasons): Renamed.
712         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
713         mt_debug_stack, mt_print_operand_simple_address,
714         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
715         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
716         mt_function_arg_advance, mt_arg_partial_bytes,
717         mt_pass_by_reference, mt_function_arg_boundary,
718         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
719         mt_legitimate_address_p): Renamed, adjusted.
720         (mt_cpu): Renamed.
721         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
722         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
723         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
724         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
725         mt_expand_eh_return, mt_emit_eh_prologue,
726         mt_handl_interrupt_attribute): Renamed, adjusted.
727         (mt_attribute_table): Renamed, adjusted.
728         (mt_initial_elimination_offset, mt_generate_compare,
729         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
730         mt_secondary_reload_class, mt_function_value, mt_split_words,
731         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
732         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
733         (mt_labels): Renamed.
734         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
735         mt_machine_reorg): Renamed, adjusted.
736         (mt_attribute_table: Renamed.
737         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
738         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
739         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
740         * config/mt/mt.opt (march): Set mt_cpu_string.
741         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
742         (TARGET_CPU_CPP_BUILTINS): Adjust.
743         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
744         TARGET_MS2): Adjust.
745         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
746         (MT_MIN_INT): Renamed.
747         (RETURN_ADDR_RTX): Adjust.
748         (struct mt_frame_info): Renamed.
749         (current_frame_info): Adjust type.
750         (INITIAL_ELIMINATION_OFFSET): Adjust.
751         (MT_NUM_ARG_REGS): Renamed.
752         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
753         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
754         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
755         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
756         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
757         (mt_compare_op0, mt_compare_op1): Renamed.
758         * config/mt/mt-protos.h: Rename prototypes.
759
760 2005-12-15  Richard Guenther  <rguenther@suse.de>
761
762         * tree-flow.h (okay_component_ref_for_subvars): Remove.
763         (get_ref_base_and_extent): Declare.
764         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
765         (get_ref_base_and_extent): New function.
766         * tree-ssa-alias.c (find_used_portions): Use it.
767         * tree-ssa-structalias.c (get_constraint_for_component_ref):
768         Likewise.
769         * tree-ssa-operands.c (get_expr_operands): Likewise.
770
771 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
772
773         * combine.c: Remove force_to_mode's fourth parameter.
774         (force_to_mode): Do not handle REG.
775         (canon_reg_for_combine): New.
776         (make_field_assignment): Use it where the removed argument was non-NULL.
777
778 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
779
780         PR target/25406
781         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
782         error_mark_node.  Make alignment params unsigned.
783         * config/rs6000/rs6000-protos.h
784         (rs6000_special_round_type_align): Update prototype.
785         (rs6000_machopic_legitimize_pic_address): Remove arg names.
786
787 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
788
789         PR rtl-optimization/25310
790         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
791         of the eliminable register when substituting into a PLUS.
792
793 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
794
795         PR debug/25023
796         * config/i386/i386.c (ix86_force_to_memory): Always use
797         SImode push for HImode in -m32.
798         (ix86_free_from_memory): Likewise.
799
800 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
801
802         * gcc/config/arm/arm.md: Provide a big-endian version of the
803         (zero_extend:SI (subreg:QI ...)) splitter.
804
805 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
806
807         * struct-equiv.c (note_local_live): Handle hard regs with different
808         hard_regno_nregs.
809
810 2005-12-14  Jeff Law  <law@redhat.com>
811
812         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
813         to a structure containing state rather than a pointer to bool.
814         (case ARRAY_REF): New code to handle folding some array references.
815         (case ADDR_EXPR): Note when we are processing expressions found
816         within an ADDRE_EXPR.
817         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
818         for state variables rather than just a pointer to a boolean.
819         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
820         handling of constant string references.
821
822 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
823
824         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
825         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
826         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
827         Move other tst* patterns to retain partial order.
828
829 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
830
831         * config/s390/s390.md ("d0", "1"): New mode attributes.
832         ("<shift>di3", "<shift>si3"): Merge.
833         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
834         ("ashrdi3", "ashrsi3"): Merge.
835         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
836         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
837         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
838         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
839         ("*ashrdi3", "*ashrsi3"): Merge.
840         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
841
842 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
843
844         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
845         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
846         ("*extendqidi2", "*extendqisi2") Merge.
847         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
848         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
849         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
850         Move some patterns to retain partial ordering.
851
852 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
853
854         * config/s390/s390.md ("atype", "length"): Rewrite.
855         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
856
857 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
858
859         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
860
861 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
862
863         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
864         PARALLELs with a mode.
865
866 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
867
868         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
869         cond_expr parameter.
870
871 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
872
873         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
874
875 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
876
877         PR bootstrap/25397:
878
879         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
880         of STACK_REGS bits.
881
882         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
883
884 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
885
886         PR target/25254
887         PR target/24188
888         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
889         DECL_P, call get_section rather than get_named_section.  Supply
890         section flags to it.
891
892 2005-12-14  Ben Elliston  <bje@au.ibm.com>
893
894         * c-common.c (c_common_truthvalue_conversion): Generalise warning
895         for addresses converted to booleans; not just function addresses.
896         * c-typeck.c (build_binary_op): Warn for address comparisons which
897         can never be NULL (eg. func == NULL or &var == NULL).
898         * common.opt (Walways-true): New option.
899         * c-opts.c (c_common_handle_option): Set it with -Wall.
900         * doc/invoke.texi: Document it.
901
902 2005-12-13  Paul Brook  <paul@codesourcery.com>
903
904         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
905         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
906
907 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
908
909         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
910         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
911
912         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
913         (EXTRA_MULTILIB_PARTS): Define.
914
915 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
916
917         PR rtl-optimization/20070 / part1
918         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
919         count_or_remove_death_notes with kill == -1.
920         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
921         registers if PROP_POST_REGSTACK is set.
922         (mark_used_reg): Likewise.
923         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
924         REG_UNUSED notes for stack regs.
925         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
926         to match rtx_equiv_p machinery.  Change caller.
927         (outgoing_edges_match): Likewise.
928         (try_crossjump_to_edge): Use struct_equiv_block_eq
929         instead of flow_find_cross_jump.
930         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
931         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
932         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
933         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
934         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
935         (insns_match_p): Update prototype.
936         (flow_find_cross_jump): Remove prototype.
937         (struct_equiv_block_eq, struct_equiv_init): Declare.
938         (rtx_equiv_p, condjump_equiv_p): Likewise.
939         * struct-equiv.c: Include reload.h.
940         (IMPOSSIBLE_MOVE_FACTOR): Define.
941         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
942         (struct_equiv_improve_checkpoint): Likewise.
943         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
944         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
945         (struct_equiv_merge, find_dying_input): Likewise.
946         (resolve_input_conflict, note_local_live): Likewise.
947         (death_notes_match_p): Change parameters and processing
948         to match rtx_equiv_p machinery.  Change caller.
949         (insns_match_p): Likewise.
950         (flow_find_cross_jump): Replace with:
951         (struct_equiv_block_eq).
952
953         Back out this change:
954         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
955           * recog.c (verify_changes): Make it static.
956           * recog.h: Remove the corresponding prototype.
957
958 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
959
960         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
961         values.
962
963 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
964
965         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
966         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
967         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
968         TARGET_MS1_64_001 appropriately.
969         (ms1_machine_reorg): Use TARGET_MS2.
970
971 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
972
973         PR debug/25023
974         PR target/25293
975         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
976         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
977         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
978         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
979         Set mode to SI, adjust constraints.
980         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
981         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
982         32-bit code.
983
984 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
985
986         * c-cppbuiltin.c (builtin_define_float_constants): Add
987         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
988         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
989         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
990         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
991         to "((double)%sL)" otherwise "%s".
992
993 2005-12-13  Paul Brook  <paul@codesourcery.com>
994
995         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
996         apcs/atpcs.
997
998 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
999
1000         * tree-flow.h: Allow compilation with a C++ compiler.
1001         (struct edge_prediction): Prefix all field names  with "ep_".
1002         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1003         (tree_predict_edge, combine_predictions_for_bb): Likewise.
1004         (remove_predictions_associated_with_edge): Likewise.
1005         
1006 2005-12-12  Jeff Law  <law@redhat.com>
1007
1008         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1009         reassociation code.
1010         * passes.c (init_optimization_passes): Run reassociation again
1011         after loop optimizations.
1012
1013 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
1014
1015         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1016         if necessary.
1017         (optimize_stmt): Ditto.
1018         (canonicalize_comparison): New function.
1019         * tree-ssa-operands.c (swap_tree_operands): Make external.
1020         (get_expr_operands): Stop auto-canonicalization.
1021         * tree-ssa-reassoc.c: Rewrite.
1022         (init_optimization_passes): 
1023         * tree-flow.h (swap_tree_operands): Prototype.
1024         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1025
1026 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1027
1028         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1029         indicate function epilogue has been output.
1030         (pa_asm_output_mi_thunk): Likewise.
1031         (output_deferred_plabels): Put plabels in readonly data section when
1032         not generating PIC code.
1033         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1034         information.  Add assert.
1035         (som_output_comdat_data_section_asm_op): New function.
1036         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1037         instead of output_section_asm_op for COMDAT sections.
1038
1039 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
1040
1041         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1042         Fix whitespace in vincinity of to-be-installed changes.
1043         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1044         (insns_match_p): Likewise.
1045
1046 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
1047
1048         * config.gcc (ms1): Replace with ...
1049         (mt): ... this.
1050         * config/ms1: Rename to ...
1051         * config/mt: ... here.  Rename ms1 files to mt.
1052         * config/mt/mt.c: Adjust gt-mt.h #include.
1053         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1054         (crti.o, crtn.o): Adjust file names.
1055
1056 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1057
1058         * varray.h: Allow compilation with a C++ compiler.
1059         (union varray_data_tag): Prefix all field names with "vdt_".
1060         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1061         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1062         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1063         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1064         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1065         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1066         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1067         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
1068         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
1069         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
1070         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
1071         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
1072         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
1073         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1074         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
1075         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
1076         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
1077         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
1078         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
1079         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
1080         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
1081         VARRAY_TOP_TREE_PTR): Likewise.
1082         * varray.c (varray_grow): Likewise.
1083         (varray_clear): Likewise.
1084
1085 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
1086
1087         PR target/25299
1088         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1089         alignment to doubleword if the first field is a double array.
1090         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1091
1092 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1093
1094         * tree-ssa-structalias.c (process_constraint): Remove code to
1095         transform addressofs into scalar.
1096         (create_variable_info_for): In whole-program IPA, globals don't
1097         point to ANYTHING by default.
1098
1099 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1100
1101         * timevar.def (TV_IPA_PTA): New.
1102         * tree-pass.h (pass_ipa_pta): New
1103         * tree-ssa-structalias.c: Include cgraph.h
1104         (in_ipa_mode): New.
1105         (predbitmap_obstack): New.
1106         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1107         (struct constraint_stats): Add num_edges.
1108         (new_var_info): Don't call bitmap_clear.
1109         (struct constraint_edge): Update docs.
1110         (new_constraint_edge): Remove src param.
1111         (struct constraint_graph): Add zero_weight_succs,
1112         zero_weight_preds.  Update docs.
1113         (constraint_expr_equal): Reformat.
1114         (constraint_edge_equal): Update for removal of src.
1115         (constraint_edge_less): Ditto.
1116         (constraint_edge_vec_find): Ditto.
1117         (erase_graph_self_edge): Update for removal of src and and zero
1118         weight bitmap.
1119         (clear_edges_for_node): Ditto.
1120         (add_graph_edge): Ditto.
1121         (get_graph_weights): Ditto.
1122         (allocate_graph_weights): Ditto.
1123         (merge_graph_nodes): Ditto.
1124         (int_add_graph_edge): Ditto.
1125         (valid_graph_edge): Ditto.
1126         (valid_weighted_graph_edge): Ditto.
1127         (build_constraint_graph): Ditto.
1128         (scc_visit): Ditto.
1129         (collapse_nodes): Ditto.
1130         (process_unification_queue): Ditto.
1131         (topo_visit): Ditto.
1132         (solve_graph): Ditto.
1133         (do_structure_copy): Ditto.
1134         (perform_var_substitution): Ditto.
1135         Init and release obstack.
1136         (handle_ptr_arith): Try to resolve directly.
1137         (find_func_aliases): Don't call update_alias_info here
1138         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1139         (do_sd_constraint): Add code for propagating faster.
1140         Update.
1141         (do_ds_constraint): Ditto.
1142         (count_num_arguments): New function.
1143         (create_function_info_for): Ditto.
1144         (create_variable_info_for): Handle FUNCTION_DECL.
1145         (intra_create_variable_infos): Use make_constraint_to_anything.
1146         (init_alias_vars): Init obstacks here.
1147         (need_to_solve): Handle zero weight graph changes.
1148         (compute_points_to_sets): Call update_alias_info here.
1149         (delete_points_to_sets): Free zero weight preds/succs here.
1150         (gate_ipa_pta): New.
1151         (ipa_pta_execute): New
1152
1153 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1154
1155         * tree-ssa-structalias.c (var_anyoffset): Removed.
1156         (anyoffset_tree): Ditto.
1157         (anyoffset_id): Ditto.
1158         (do_deref): Take vector of constraints, no return value.
1159         Update to work on vector.                
1160         (get_constraint_for): Ditto.
1161         (get_constraint_for_component_ref): Ditto.
1162         (do_structure_copy): Ditto.
1163         (handle_ptr_arith): Ditto.
1164         (find_func_aliases): Ditto.
1165         (set_uids_in_ptset): Remove anyoffset handling.
1166         (init_base_vars): Ditto.
1167
1168 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
1169
1170         PR c++/25010
1171         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1172         DECL_EXTERNAL functions have no bodies.  Tidy.
1173
1174 2005-12-10  Andreas Schwab  <schwab@suse.de>
1175
1176         * except.c (switch_to_exception_section): Only define if
1177         TARGET_UNWIND_INFO is not defined.
1178
1179 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1180
1181         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1182         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1183
1184 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1185
1186         * output.h (init_section, fini_section): Delete.
1187         * varasm.c (init_section, fini_section): Delete.
1188         (init_varasm_once): Don't initialize them.
1189         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1190         there are no corresponding varasm.c variables.
1191
1192 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1193
1194         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1195         of EH_FRAME_SECTION_NAME into...
1196         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1197         if it is still null.
1198         * except.c (default_exception_section): Delete, moving most
1199         of the code to...
1200         (switch_to_exception_section): ...this new function.  Set
1201         exception_section if it is still null, then switch to it.
1202         (output_function_exception_table): Use switch_to_exception_section.
1203         * varasm.c (exception_section, eh_frame_section): Update comments.
1204         (get_section): Hoist use of SECTION_NAMED.
1205         (init_varasm_once): Don't set exception_section and eh_frame_section.
1206         * output.h (default_exception_section): Delete.
1207         (default_eh_frame_section): Delete.
1208
1209 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1210
1211         * config/bfin/bfin.c: Include "cgraph.h".
1212         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1213         Return the reg that holds the pointer to the GOT.
1214         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1215         doing stack checking.
1216
1217 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1218
1219         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1220         recompute_tree_invarant_for_addr_expr.
1221         Update uses everywhere.
1222
1223 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1224
1225         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1226         (MULTILIB_DIRNAMES): Define.
1227
1228 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1229
1230         PR target/25311
1231         * config/s390/s390.c (struct s390_address): New field literal_pool.
1232         (s390_decompose_address): Compute literal_pool field.  Do not 
1233         assume register %r13 is always (and solely) used as pool base.
1234         (s390_extra_constraint_str): Use literal_pool field.
1235
1236 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1237
1238         * config/mips/mips.c (override_options): Don't allow too small
1239         integers in FP registers.
1240
1241 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1242
1243         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1244         targetm.binds_local_p to check for local function calls.
1245
1246 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1247
1248         PR debug/24908
1249         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1250         call_used_regs can't be used to save reg in another reg.
1251
1252 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1253             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1254
1255         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1256         abort.
1257         * except.c (output_ttype): Likewise.
1258         * tree-object-size.c (collect_object_sizes_for): Likewise.
1259         (check_for_plus_in_loops_1): Likewise.
1260         (check_for_plus_in_loops): Likewise.
1261         (compute_object_sizes): Use gcc_unreachable instead of abort.
1262
1263 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1264
1265         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1266         (loop_end, loop_init, doloop_end): New insns.
1267         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1268         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1269         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1270         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1271         * config/ms1/ms1.c: #include basic-block.h
1272         (struct machine_function): Add has_loops field.
1273         (ms1_add_loop): New.
1274         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1275         (struct loop_info, struct loop_work): New.
1276         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1277         (ms1_reorg_loops): New loop optimization.
1278         (ms1_machine_reorg): Call it.
1279         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1280
1281 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1282
1283         PR tree-optimization/25248
1284         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1285         evolution_of_loop from the failed attempt.  Remove handling
1286         of MULT_EXPR.
1287
1288 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1289
1290         * tree.h (DECL_EXTERNAL): Clarify documentation.
1291
1292 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1293             Jakub Jelinek  <jakub@redhat.com>
1294
1295         PR target/25268
1296         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1297         argument.  Don't drop outer ANDs.
1298         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1299         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1300         prototype.
1301         * config/s390/predicates.md (setmem_operand): Remove.
1302         (shift_count_operand): Rename to...
1303         (shift_count_or_setmem_operand): ... this.  Adjust
1304         s390_decompose_shift_count caller.
1305         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1306         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1307         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1308         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1309         rotl<mode>3_and, setmem_long_and): New insns.
1310         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1311         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1312         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1313         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1314         of shift_count_operand.
1315         (setmem_long): Use shift_count_or_setmem_operand instead of
1316         setmem_operand.
1317
1318 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1319             Andreas Tobler  <a.tobler@schweiz.ch>
1320
1321         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1322         tr expression.
1323
1324 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1325
1326         * expr.c (force_operand): Use convert_to_mode for conversions.
1327
1328 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1329
1330         * reload.h (reg_equiv_invariant): Declare.
1331         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1332         register also when reg_equiv_invariant[R] is set.
1333
1334 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1335             Andreas Tobler  <a.tobler@schweiz.ch>
1336
1337         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1338
1339 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1340
1341         * tree-ssa-pre.c (bitmap_set_and): New function.
1342         (bitmap_set_and_compl): New function.
1343         (bitmap_set_empty_p): New function.
1344         (insert_extra_phis): New function.
1345         (compute_avail): Use insert_extra_phis.
1346
1347 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1348
1349         * config/s390/s390.c (s390_expand_atomic): New function.
1350         Adjust comment of helper functions.
1351         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1352         * config/s390/s390.md ("ATOMIC"): New code macro.
1353         ("atomic"): Corresponding new code attribute.
1354         ("sync_lock_test_and_set[hq]i", 
1355         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1356
1357 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1358
1359         * config/s390/s390.c (s390_expand_mask_and_shift, 
1360         struct alignment_context, init_alignment_context, 
1361         s390_expand_cs_hqi): New.
1362         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1363         * config/s390/s390.md ("sync_compare_and_swaphi",
1364         "sync_compare_and_swapqi"): New pattern.
1365
1366 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1367
1368         Fix PR tree-optimization/25291
1369         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1370         redundant and crashing check.
1371
1372 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1373
1374         PR target/25212
1375         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1376         tests further when !strict && reload_in_progress.
1377         (print_operand): Check that both operands of indexed address are regs.
1378         (print_operand_address): Likewise.
1379         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1380         (INT_REG_OK_FOR_BASE_P): Correct.
1381
1382 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1383
1384         Preparation for PR rtl-optimization/20070 / part1
1385         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1386         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1387         outgoing_edges_match.
1388         (outgoing_edges_match): Use condjump_equiv_p.
1389         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1390         into..
1391         * struct-equiv.c: New file.
1392         (death_notes_match_p) New function, broken out of insns_match_p.
1393         * Makefile.in (OBJS-common): Add struct-equiv.o.
1394         (struct-equiv.o): New target.
1395
1396 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1397
1398         * coretypes.h: Revert previous change.
1399         * config/darwin.h: Revert previous reversion.
1400         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1401
1402 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1403
1404         * coretypes.h (section): Provide dummy definition for target files.
1405         * config/darwin.h: Revert previous change.
1406
1407 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1408
1409         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1410         * configure.ac: Remove all.build and install-normal from target_list
1411         * configure: Regenerate.
1412         * Makefile.in (install): Don't depend on install-normal.
1413
1414 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1415
1416         * Makefile.in: Document the use of stamps.
1417
1418 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1419
1420         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1421         * Makefile.in: Add code to compute some dependencies on s-gtype
1422         automatically.  Remove the declaration of those dependencies.
1423
1424 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1425
1426         * gcc/reload.c (push_secondary_reload): Fix typo:
1427         s/insn_constraint/scratch_constraint/.
1428
1429 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1430
1431         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1432
1433 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1434
1435         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1436         (alpha_elf_select_rtx_section): Return the selected section rather
1437         than emitting assembly code.
1438         (alpha_write_linkage): Emit a ".link" directive directly and then
1439         set in_section to NULL.
1440         (vms_asm_out_constructor): Use switch_to_section.
1441         (vms_asm_out_destructor): Likewise.
1442         (unicosmk_output_common): Set in_section to NULL instead of calling
1443         the dummy common_section function.
1444         (unicosmk_text_section): Delete in favor of...
1445         (unicosmk_output_text_section_asm_op): ...this new function.
1446         (unicosmk_data_section): Delete in favor of...
1447         (unicosmk_output_data_section_asm_op): ...this new function.
1448         (unicosmk_init_sections): New function.
1449         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1450         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1451         the dummy ssib_section function.
1452         (unicosmk_section_buf): Delete.
1453         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1454         (unicosmk_data_section): Delete.
1455         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1456         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1457         (SECTION_FUNCTION_TEMPLATE): Delete.
1458         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1459         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1460         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1461         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1462         (TARGET_ASM_INIT_SECTIONS): Define.
1463         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1464         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1465         (link_section, literals_section): Delete.
1466         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1467         set in_section to NULL.
1468
1469         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1470         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1471         (COMMON_SECTION): Delete.
1472         (TARGET_ASM_INIT_SECTIONS): Define.
1473         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1474         the dummy common_section function.
1475         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1476         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1477         between readonly_data_section and text_section to check whether
1478         read-only data is being put in the text section.
1479         (arm_output_function_epilogue): Use switch_to_section.
1480         (arm_elf_asm_constructor): Likewise.
1481         (thumb_call_via_reg): Replace call to in_text_section with
1482         a comparison between in_section and text_section.
1483         (arm_file_end): Use switch_to_section.
1484         (aof_text_section): Delete in favor of...
1485         (aof_output_text_section_asm_op): ...this new function.
1486         (aof_data_section): Delete in favor of...
1487         (aof_output_data_section_asm_op): ...this new function.
1488         (aof_asm_init_sections): New function.
1489         (zero_init_section): Moved from config/arm/aof.h.
1490         (aof_dump_imports, aof_file_start): Use switch_to_section.
1491         * config/arm/arm.h (thumb_call_via_label): Update comment.
1492         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1493         (common_section): Delete.
1494         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1495         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1496         global switch_to_section function instead of the old port-local one.
1497         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1498         (SWITCH_TO_SECTION_FUNCTION): Delete.
1499         (drectve_section): Redefine as a macro.
1500         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1501         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1502         switch_to_section.
1503
1504         * config/avr/avr.c (progmem_section): New variable.
1505         (avr_output_progmem_section_asm_op): New function.
1506         (avr_asm_init_sections): New function.
1507         (avr_output_addr_vec_elt): Use switch_to_section.
1508         * config/avr/avr.h (progmem_section): Declare.
1509         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1510         (READONLY_DATA_SECTION): Delete.
1511         (TARGET_ASM_INIT_SECTIONS): Define.
1512         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1513         * config/avr/avr-protos.h (progmem_section): Delete.
1514
1515         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1516
1517         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1518         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1519
1520         * config/darwin-sections.def: New file.
1521         * config/darwin.c: Define all sections in darwin-sections.def.
1522         (output_objc_section_asm_op, darwin_init_sections): New functions.
1523         (machopic_output_indirection): Use switch_to_section.
1524         (machopic_select_section): Return the selected section rather than
1525         emitting assembly code.  Replace the static function table with
1526         inline conditional expressions.  Update the tests of last_text_section
1527         and move them into the FUNCTION_DECL block.
1528         (machopic_select_rtx_section): Return the selected section rather than
1529         emitting assembly code.
1530         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1531         (darwin_file_end): Use switch_to_section.
1532         * config/darwin.h: Use darwin-sections.def to declare sections.
1533         (INIT_SECTION_ASM_OP): Remove empty definition.
1534         (HAS_INIT_SECTION): Define this instead.
1535         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1536         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1537         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1538         (TARGET_ASM_INIT_SECTIONS): Define.
1539         * config/darwin-protos.h (darwin_init_sections): Declare.
1540         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1541         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1542         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1543         (constructor_section, destructor_section, mod_init_section): Delete.
1544         (mod_term_section): Delete.
1545         (darwin_exception_section, darwin_eh_frame_section): Delete.
1546         (machopic_select_section): Return a section.
1547         (machopic_select_rtx_section): Likewise.
1548         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1549         (const_section, const_coal_section, const_data_section): Delete.
1550         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1551         (literal4_section, literal8_section, constructor_section): Delete.
1552         (mod_init_section, mod_term_section, destructor_section): Delete.
1553         (objc_class_section, objc_meta_class_section, objc_category_section)
1554         (objc_class_vars_section, objc_instance_vars_section): Delete.
1555         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1556         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1557         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1558         (objc_symbols_section, objc_module_info_section): Delete.
1559         (objc_image_info_section, objc_protocol_section): Delete.
1560         (objc_string_object_section, objc_constant_string_object_section)
1561         (objc_class_names_section, objc_meth_var_names_section): Delete.
1562         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1563         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1564         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1565         (darwin_exception_section, darwin_eh_frame_section): Delete.
1566         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1567
1568         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1569         (frv_asm_out_destructor): Likewise.
1570         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1571         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1572         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1573         get_named_section.
1574         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1575         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1576         (data_section): Delete.
1577
1578         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1579         (DRECTVE_SECTION_FUNCTION): Delete.
1580         (drectve_section): Redefine as a macro that sets in_section after
1581         emitting the directive.
1582         (SWITCH_TO_SECTION_FUNCTION): Delete.
1583         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1584         in_text_section with comparison between in_section and text_section.
1585         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1586         rather than emitting assembly code.  Use get_named_section.
1587         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1588         get_named_section.
1589         (machopic_output_stub): Use switch_to_section.
1590         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1591         (nwld_named_section_asm_out_destructor): Use get_section and
1592         switch_to_section.
1593
1594         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1595         rather than emitting assembly code.
1596         (ia64_rwreloc_select_section): Likewise.
1597         (ia64_rwreloc_select_rtx_section): Likewise.
1598         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1599         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1600         switch_to_section.
1601         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1602         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1603
1604         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1605         section rather than emitting assembly code.
1606         (iq2000_select_section): Likewise.
1607         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1608         (sbss_section): Delete.
1609
1610         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1611         and get_named_section.
1612         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1613
1614         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1615         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1616         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1617         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1618         in_section to NULL.
1619         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1620         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1621         global switch_to_section function instead of the old port-local one.
1622         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1623         (SWITCH_SECTION_FUNCTION): Delete.
1624         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1625         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1626         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1627         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1628         in_section to NULL.
1629         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1630         global switch_to_section function instead of the old port-local one.
1631         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1632
1633         * config/mips/mips.c (mips_file_start): Update comment.
1634         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1635         (mips_output_aligned_decl_common): Use switch_to_section.
1636         (mips_select_rtx_section): Return the section rather than emitting
1637         assembly code.  Use get_named_section.
1638         (mips_function_rodata_section: Likewise get_section.
1639         (build_mips16_function_stub): Use switch_to_section.
1640         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1641         (SDATA_SECTION_ASM_OP): Delete.
1642         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1643         (EXTRA_SECTION_FUNCTIONS): Delete.
1644
1645         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1646         (mmix_asm_output_aligned_local): Use switch_to_section.
1647
1648         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1649         (som_one_only_readonly_data_section): New variables.
1650         (pa_output_function_epilogue): Set in_section to NULL instead of
1651         calling forget_section.
1652         (output_deferred_plabels): Use select_section.
1653         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1654         of calling forget_section.
1655         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1656         (pa_asm_output_aligned_local): Use select_section.
1657         (som_text_section_asm_op): Delete in favor of...
1658         (som_output_text_section_asm_op): ...this new function.
1659         (pa_som_asm_init_sections): New function.
1660         (pa_select_section): Return the section rather than emitting
1661         assembly code.
1662         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1663         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1664         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1665         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1666         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1667         (som_readonly_data_section, som_one_only_readonly_data_section)
1668         (som_one_only_data_section, forget_section): Delete.
1669         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1670         (TARGET_ASM_INIT_SECTIONS): Define.
1671         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1672
1673         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1674         (private_data_section, read_only_private_data_section): New variables.
1675         (sdata2_section, toc_section): New variables.
1676         (rs6000_file_start): Use switch_to_section.
1677         (rs6000_assemble_integer): Use comparisons against in_section
1678         instead of calling in_toc_section and in_text_section.  Use
1679         unlikely_text_section_p.
1680         (rs6000_elf_output_toc_section_asm_op): New function, derived
1681         from the old rs6000/sysv4.h toc_section function.
1682         (rs6000_elf_asm_init_sections): New function.
1683         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1684         the section rather than emitting assembly code.
1685         (machopic_output_stub): Use switch_to_section.
1686         (toc_section): Delete dummy function.
1687         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1688         switch_to_section and get_section.
1689         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1690         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1691         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1692         the old rs6000/xcoff.h toc_section function.
1693         (rs6000_xcoff_asm_init_sections): New function.
1694         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1695         the section rather than emitting assembly code.
1696         (rs6000_xcoff_file_start): Use switch_to_section.
1697         (rs6000_xcoff_file_end): Likewise.
1698         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1699         (sdata2_section, sbss_section, private_data_section): Delete.
1700         (read_only_data_section, read_only_private_data_section): Delete.
1701         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1702         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1703         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1704         (FINI_SECTION_FUNCTION): Delete.
1705         (TARGET_ASM_INIT_SECTIONS): Define.
1706         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1707         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1708         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1709         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1710         (READONLY_DATA_SECTION): Delete.
1711         (TARGET_ASM_INIT_SECTIONS): Define.
1712         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1713         to NULL rather than no_section.
1714         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1715
1716         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1717
1718         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1719         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1720         from call to current_function_section.
1721
1722         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1723         (bss100_section): New variable.
1724         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1725         (xstormy16_asm_init_sections): New function.
1726         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1727         switch_to_section and get_section.
1728         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1729         from calls to current_function_section.
1730         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1731         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1732         (TARGET_ASM_INIT_SECTIONS): Define.
1733         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1734
1735         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1736         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1737         (FINI_SECTION_FUNCTION): Delete.
1738
1739         * config/v850/v850.c: Include gt-v850.h.
1740         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1741         (zbss_section): New variables.
1742         (v850_output_aligned_bss): Use switch_to_section.
1743         (v850_asm_init_sections): New function.
1744         (v850_select_section): Return the section rather than emitting
1745         assembly code.
1746         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1747         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1748         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1749         (TARGET_ASM_INIT_SECTIONS): Define.
1750         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1751         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1752         (zbss_section): Delete.
1753
1754         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1755
1756         * config/vx-common.h (vxworks_exception_section): Delete.
1757         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1758
1759         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1760         section rather than emitting assembly code.
1761         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1762         switch_to_section.
1763
1764         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1765         * coretypes.h (section): New union and typedef.
1766         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1767         from call to current_function_section.
1768         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1769         (dbxout_symbol_location): Use switch_to_section.
1770         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1771         most of the code into...
1772         (default_eh_frame_section): ...here.  Return a section.
1773         (collect2_eh_frame_section): Delete, moving most of the code into..
1774         (switch_to_eh_frame_section): ...this new function.
1775         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1776         (debug_macinfo_section, debug_line_section, debug_loc_section)
1777         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1778         variables.
1779         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1780         eh_frame_section.  Use switch_to_section and get_section.
1781         (dwarf2out_begin_prologue): Use switch_to_section.
1782         (AT_string_form): Check the flags in debug_str_section instead of
1783         DEBUG_STR_SECTION_FLAGS.
1784         (output_comp_unit): Use switch_to_section, get_section, and
1785         debug_info_section.
1786         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1787         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1788         from call to current_function_section.
1789         (dwarf2out_var_location): Use unlikely_text_section_p.
1790         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1791         from call to current_function_section.
1792         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1793         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1794         debug_macinfo_section.
1795         (dwarf2out_init): Initialize the new section variables.  Use them
1796         instead of calls to named_section_flags.  Use switch_to_section.
1797         (output_indirect_string): Use switch_to_section and debug_str_section.
1798         (dwarf2out_finish): Use switch_to_section and the new section
1799         variables.
1800         * except.c (default_exception_section): Return the section instead
1801         of emitting assembly code.
1802         (output_function_exception_table): Use the global exception_section
1803         variable instead of the target hook.  Use switch_to_section.  Remove
1804         argument from call to current_function_section.
1805         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1806         (shorten_branches): Use pointer comparisons to detect whether the
1807         text section is the same as readonly_data_section.
1808         (profile_function): Use switch_to_section.  Remove argument from
1809         call to current_function_section.
1810         (final_scan_insn): Likewise.  Update use of last_text_section.
1811         * gengtype.c (open_base_files): Add an include of output.h.
1812         * output.h (text_section, data_section, readonly_data_section)
1813         (ctors_section, dtors_section, bss_section, init_section)
1814         (fini_section, sdata_section): Turn into section pointers.
1815         (in_text_section, in_unlikely_text_section, exports_section)
1816         (drectve_section, named_section, mergeable_string_section)
1817         (last_text_section_name): Delete.
1818         (default_exception_section, default_eh_frame_section): Return sections.
1819         (SECTION_DECLARED, SECTION_NAMED): New macros.
1820         (SECTION_MACH_DEP): Bump value.
1821         (section_common, named_section, unnamed_section): New structures.
1822         (unnamed_section_callback): New typedef.
1823         (section): New union.
1824         (sbss_section, exception_section, eh_frame_section): New variables.
1825         (in_section, last_text_section): Turn into section pointers.
1826         (get_unnamed_section, get_section, get_named_section): New functions.
1827         (mergeable_constant_section, function_section): Return a section.
1828         (unlikely_text_section): Likewise.
1829         (current_function_section): Likewise.  Remove the decl argument.
1830         (unlikely_text_section_p, switch_to_section): New functions.
1831         (output_section_asm_op): New function.
1832         (set_named_section_flags, named_section_flags, named_section_real)
1833         (named_section_first_declaration): Delete.
1834         (default_select_section, default_elf_select_section): Return a section.
1835         (default_elf_select_section_1, default_function_rodata_section)
1836         (default_no_function_rodata_section, default_select_rtx_section)
1837         (default_elf_select_rtx_section): Likewise.
1838         * rtl.h (in_data_section): Delete.
1839         * sdbout.c (sdbout_one_type): Use switch_to_section.
1840         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1841         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1842         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1843         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1844         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1845         (TARGET_ASM_OUT): Update after above changes.
1846         * target.h (init_sections): New hook.
1847         (exception_section, eh_frame_section): Delete.
1848         (select_section, select_rtx_section, function_rodata_section): Return
1849         a section rather than emitting assembly code.
1850         * varasm.c (text_section, data_section, readonly_data_section)
1851         (ctors_section, dtors_section, bss_section, init_section)
1852         (fini_section): Turn into section pointers.
1853         (sdata_section, sbss_section, exception_section): New variables.
1854         (eh_frame_section): New variable.
1855         (in_section): Make global and turn into a section pointer.
1856         (last_text_section): Turn into a section pointer.
1857         (unnamed_sections): New variable.
1858         (in_named_name, last_text_section_name): Delete.
1859         (EXTRA_SECTION_FUNCTIONS): Delete.
1860         (in_named_entry): Delete.
1861         (section_htab): New variable, replacing...
1862         (in_named_htab): ...this deleted variable.
1863         (section_entry_eq, section_entry_hash): New functions, based on...
1864         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1865         (get_unnamed_section, get_section): New functions.
1866         (unlikely_text_section): Return a section instead of emitting
1867         assembly code.
1868         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1869         (get_named_section_flags, named_section_first_declaration): Delete.
1870         (unlikely_text_section_p): New function.
1871         (named_section_real, named_section): Delete.
1872         (get_named_section): New function.
1873         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1874         (function_section): Return a section rather than emitting
1875         assembly code.
1876         (current_function_section): Likewise.  Remove argument.  Use
1877         last_text_section if nonnull, otherwise use function_section.
1878         (default_function_rodata_section): Return a section rather than
1879         emitting assembly code.  Use get_section.
1880         (default_no_function_rodata_section): Return a section rather than
1881         emitting assembly code.
1882         (variable_section): Use switch_to_section and get_named_section.
1883         (mergeable_string_section): Return a section rather than emitting
1884         assembly code.  Use get_section.  Make static.  Don't take special
1885         countermeasures for empty strings.
1886         (mergeable_constant_section): Return a section rather than emitting
1887         assembly code.  Use get_section.
1888         (default_named_section_asm_out_destructor): Use switch_to_section
1889         and get_section.
1890         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1891         (default_named_section_asm_out_constructor): Use switch_to_section
1892         and get_section.
1893         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1894         (assemble_start_function): Likewise.  Set last_text_section to
1895         NULL rather than no_section.  Change the type of save_section.
1896         (assemble_zeros, assemble_variable): Use the section flags to detect
1897         whether or not a section is text.
1898         (assemble_static_space): Use switch_to_section.
1899         (assemble_trampoline_template): Likewise.
1900         (output_constant_def_contents): Use switch_to_section and
1901         get_named_section.
1902         (output_constant_pool_1): Use switch_to_section.  Use the section
1903         flags to see whether sections contain mergeable data.
1904         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1905         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1906         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1907         whether a section has already been declared.
1908         (default_select_section, default_elf_select_section): Return a
1909         section rather than emitting assembly code.
1910         (default_elf_select_section_1): Likewise.  Use bss_section for
1911         SECCAT_BSS if nonnull.  Use get_named_section.
1912         (default_select_rtx_section): Return a section rather than
1913         emitting assembly code.
1914         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1915         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1916         (output_section_asm_op, switch_to_section): New functions.
1917         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1918         get_named_section.
1919
1920         * doc/tm.texi: Expand the introduction to the sections documentation.
1921         (TRAMPOLINE_SECTION): Document new interface.
1922         (SDATA_SECTION_ASM_OP): Document new macro.
1923         (READONLY_DATA_SECTION): Delete.
1924         (SDATA_SECTION_ASM_OP): Document new macro.
1925         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1926         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1927         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1928         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1929         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1930
1931 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1932
1933         * gcc.c (init_gcc_specs): Match braces inside conditionally
1934         compiled strings.
1935
1936 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1937
1938         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1939
1940 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1941
1942         PR C++/24138
1943         * tree.c (integer_all_onesp): Always return true if all bits on.
1944
1945         * testsuite/g++.dg/init/array0.C: New.
1946
1947 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1948
1949         * doc/md.texi: Adapt to implementation.
1950
1951 2005-12-06  Andreas Schwab  <schwab@suse.de>
1952
1953         * opts.c (decode_options): Fix typo in message.
1954
1955 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1956
1957         PR other/13873
1958         * longlong.h: Merge PPC tests from upstream.
1959
1960 2005-12-06  Richard Guenther  <rguenther@suse.de>
1961
1962         * fold-const.c (fold_convert): Do not build and fold
1963         CONVERT_EXPR, but always use NOP_EXPR.
1964
1965 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1966
1967         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1968         __builtin_ia32_paddq and __builtin_ia32_subq.
1969         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1970         __builtin_ia32_pshufw.
1971         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1972
1973 2005-12-05  James E Wilson  <wilson@specifix.com>
1974
1975         PR target/24934
1976         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1977         is set.
1978
1979 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1980         
1981         * print-tree.c (print_node): Ditto.
1982         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1983         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1984         before accessing DECL_ARTIFICIAL. 
1985         Handle new tag tree codes.
1986         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1987         changes.
1988         (unmodifiable_var_p): Ditto.
1989         * tree-flow.h (mem_tag_kind): Remove.
1990         (struct var_ann_d): Remove mem_tag_kind member.
1991         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1992         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1993         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1994         (group_aliases): Ditto.
1995         (setup_pointers_and_addressables): Ditto.
1996         (is_escape_site): Ditto.                                          
1997         (may_alias_p): Ditto.
1998         (create_tag_raw): New function.
1999         (create_memory_tag): Use it.
2000         (dump_alias_info): Update for tags.
2001         (may_be_aliased): Ditto.
2002         (add_type_alias): Ditto.
2003         (new_type_alias): Ditto.
2004         (create_sft): Ditto.
2005         (create_structure_vars): Ditto.
2006         * tree-ssa-ccp.c (get_default_value): Ditto.
2007         * tree-ssa-operands.c (get_expr_operands): Ditto.
2008         (add_stmt_operand): Ditto.
2009         (add_call_clobber_ops): Remove duplicated condition.
2010         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2011         tags.
2012         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2013         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2014         * tree.c (init_ttree): Update structures for new tree codes.
2015         (tree_code_size): Update sizes for new tree codes.
2016         (make_node_stat): Don't try to set common things on minimal
2017         structures.
2018         (tree_node_structure): Update for tags.
2019         (is_global_var): Ditto.
2020         * tree.def: Add new tree codes.
2021         * tree.h (MTAG_P): New macro.
2022         (TREE_MEMORY_TAG_CHECK): Ditto.
2023         (SSA_VAR_P): Update for tags.
2024         (struct tree_memory_tag): New structure.
2025         (MTAG_GLOBAL): New macro.
2026         (union tree_node): Add memory tag member.
2027         * treestruct.def (TS_MEMORY_TAG): New.
2028         
2029 2005-12-05  Dale Johannesen  <dalej@apple.com>
2030
2031         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
2032         what was approved (PR 24323).
2033
2034 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2035
2036         * doc/c-tree.texi (Function Bodies): Remove description of
2037         RETURN_INIT.
2038
2039 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
2040
2041         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2042         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2043         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2044         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2045         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2046         __divxc3): Document.
2047
2048 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
2049
2050         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2051         previous behaviour.
2052         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2053         hook_bool_void_false.
2054         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2055         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2056
2057         * config/darwin.c (machopic_select_section): It's not defined
2058         as weak if it's only marked as weak_import.
2059         
2060         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2061         Prototype.
2062
2063         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2064         A hidden weak object does bind locally.  Strong linkonce data
2065         counts like any other strong symbol for binding.
2066         (weak_finish_1): Don't specially handle weakrefs, they no longer
2067         arrive here.
2068         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2069         * c-common.c (handle_alias_attribute): Allow static aliases
2070         of variables.
2071         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2072         * gthr-dce.h: Make weakrefs static.
2073         * gthr-tpf.h: Likewise.
2074         * gthr-solaris.h: Likewise.
2075         * gthr-posix.h: Likewise.
2076         * gthr-posix95.h: Likewise.
2077         * config/darwin.c (darwin_encode_section_info): static weakref
2078         variables are not necessarily defined in this translation unit.
2079         * doc/extend.texi (Function Attributes): Mention that an alias
2080         attribute creates a definition for the thing it's attached to.
2081         Change the documentation for weakref to say that the thing
2082         it's attached to must be static.
2083
2084         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2085         we don't go into an infinite loop.
2086
2087 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
2088
2089         * config/rs6000/predicates.md (logical_const_operand): Split
2090         out of logical_operand.
2091         (logical_operand): Use it.
2092         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2093         logical_const_operand.
2094
2095 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2096
2097         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2098         and IX86_BUILTIN_CMPNESS.
2099         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2100         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2101         * config/i386/i386.md (movti_internal): Correct type attribute.
2102         Simplify mode attribute.
2103         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2104         Correct type attribute.
2105         (absxf2): Correct operator.
2106         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2107         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2108         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2109         mode attribute.
2110         (sse2_vmsqrtv2df2): Correct mode attribute.
2111
2112 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2113
2114         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2115         16 bits. Provide insn pattern for this case.
2116
2117 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2118
2119         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2120         result.
2121         (__popcountDI2): Likewise.
2122
2123 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2124
2125         PR target/25166
2126         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2127         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2128         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2129         functions.
2130
2131 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2132
2133         * c-typeck.c (null_pointer_constant_p): New function.
2134         (build_conditional_expr, build_c_cast, convert_for_assignment,
2135         build_binary_op): Use it.
2136
2137 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2138
2139         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2140         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2141         CONVERT_EXPR.
2142         (check_function_arguments_recurse): Allow both NOP_EXPR and
2143         CONVERT_EXPR but check conversions preserve precision.
2144         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2145         but check conversions preserve precision.
2146         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2147         default case.
2148
2149 2005-12-04  Roger Sayle  <roger@eyesopen.com>
2150
2151         PR c/7776
2152         * common.opt (Wstring-literal-comparison): New command line option.
2153         * c-opts.c (c_common_handle_option): Set it with -Wall.
2154         * c-typeck.c (parser_build_binary_op): Issue warning if either
2155         operand of a comparison operator is a string literal, except for
2156         testing equality or inequality against NULL.
2157
2158         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2159
2160 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2161
2162         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2163         of building a NOP_EXPR.
2164         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2165         NOP_EXPR.
2166         * c-convert.c (convert): Use fold_convert instead of building
2167         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2168         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2169         #if 0 code.
2170         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2171         NOP_EXPR the same as CONVERT_EXPR.
2172         * c-typeck.c (build_function_call): Use fold_convert instead of
2173         building a NOP_EXPR directly.
2174         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2175
2176 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2177
2178         PR rtl-optimization/25197
2179         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2180         have a reg.
2181
2182 2005-12-02  Stuart Hastings  <stuart@apple.com>
2183
2184         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2185         warning.
2186
2187 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2188
2189         * c-typeck.c (default_function_array_conversion,
2190         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2191         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2192         orig_op2.  Don't check them for NOP_EXPR.
2193         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2194         around integer zero.
2195
2196 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2197
2198         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2199         toc_save_offset, toc_size, lr_size.
2200         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2201         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2202         Adjust for removal of unused rs6000_stack_t fields.
2203         (debug_stack_info): Adjust.
2204         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2205         first, and don't bother checking for set/inc of lr on sibcalls.
2206         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2207
2208 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2209
2210         PR target/25199
2211         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2212         5 if operand 1 is not aligned.  Undo previous constraint change.
2213         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2214
2215 2005-12-02  Richard Guenther  <rguenther@suse.de>
2216
2217         * tree.h (build): Remove prototype.
2218         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2219         * tree.c (build): Remove.
2220         (build0_stat): Update comment.
2221
2222 2005-12-02  Richard Guenther  <rguenther@suse.de>
2223
2224         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2225         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2226         Likewise.
2227         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2228         maybe_fold_offset_to_component_ref): Likewise.
2229         * tree-ssa-dom.c (thread_across_edge,
2230         simplify_rhs_and_lookup_avail_expr,
2231         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2232         Likewise.
2233         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2234         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2235         lower_try_finally_switch): Likewise.
2236         * tree-if-conv.c (add_to_dst_predicate_list,
2237         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2238         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2239         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2240         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2241         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2242         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2243         gimplify_init_ctor_eval, gimplify_init_constructor,
2244         gimplify_variable_sized_compare, gimplify_boolean_expr,
2245         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2246         gimplify_expr, gimplify_body, gimplify_function_tree,
2247         force_gimple_operand): Likewise.
2248         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2249         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2250         mx_register_decls): Likewise.
2251         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2252         get_frame_field, finalize_nesting_tree_1): Likewise.
2253         * tree-inline.c (setup_one_parameter): Likewise.
2254         * tree-vect-transform.c (vectorizable_condition): Likewise.
2255         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2256         Likewise.
2257         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2258         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2259         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2260         * tree-chrec.h (build_polynomial_chrec): Likewise.
2261
2262 2005-12-02  Richard Guenther  <rguenther@suse.de>
2263
2264         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2265         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2266         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2267         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2268         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2269         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2270         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2271         Likewise.
2272         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2273         sh_adjust_unroll_max): Likewise.
2274         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2275         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2276         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2277         Likewise.
2278         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2279         Likewise.
2280         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2281         Likewise.
2282
2283 2005-12-02  Richard Guenther  <rguenther@suse.de>
2284
2285         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2286         simplify_cond_using_ranges): Use buildN instead of build.
2287         * tree-tailcall.c (adjust_accumulator_values,
2288         adjust_return_value): Likewise.
2289         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2290         generate_element_copy, generate_element_zero,
2291         generate_one_element_init): Likewise.
2292         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2293         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2294         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2295         perfect_nestify): Likewise.
2296
2297 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2298
2299         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2300
2301 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2302
2303         * ggc.h (GGC_RESIZEVEC): New.
2304
2305 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2306
2307         * gcc.c (execute): Improve readability.
2308
2309 2005-12-02  Richard Guenther  <rguenther@suse.de>
2310
2311         * tree-cfg.c (mark_used_vars): New function.
2312         (dump_function_to_file): Dump only used VAR_DECLs.
2313
2314 2005-12-02  Richard Guenther  <rguenther@suse.de>
2315
2316         * convert.c (convert_to_integer): Fix compare for nonpositive
2317         constant to use tree_int_cst_sgn <= 0.
2318
2319 2005-12-02  Richard Guenther  <rguenther@suse.de>
2320
2321         * convert.c (convert_to_integer): Use fold_convert instead
2322         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2323         instead of comparing against 0.  Use build_int_cst instead
2324         of converting integer_zero_node.
2325
2326 2005-12-02  Richard Guenther  <rguenther@suse.de>
2327
2328         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2329         and RROTATE_EXPR.
2330  
2331 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2332
2333         PR target/21017
2334         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2335         rotates.
2336
2337 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2338
2339         PR middle-end/25176
2340         * function.c (expand_function_end): Emit blockage for unwinder
2341         after return label.
2342
2343 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2344
2345         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2346         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2347         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2348         integer constant comparisons.
2349
2350 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2351             Janis Johnson  <janis187@us.ibm.com>
2352             David Edelsohn  <dje@watson.ibm.com>
2353             Ben Elliston  <bje@au.ibm.com>
2354
2355         * dfp.h, dfp.c: New files.
2356         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2357         (DECNUM_H): Likewise.
2358         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2359         (INCLUDES): Append $(DECNUMINC).
2360         (OBJS-common): Add dfp.o.
2361         (dfp.o): New rule.
2362         * real.h (EXP_BITS): Pinch one bit to ..
2363         (struct real_value): Add decimal field.
2364         (real_format): Change table size, update documentation.
2365         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2366         (real_from_string3): Declare.
2367         (decimal_single_format): Declare.
2368         (decimal_double_format): Declare.
2369         (decimal_quad_format): Declare.
2370         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2371         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2372         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2373         * real.c: Include dfp.h.
2374         (normalize): Early return for decimal floats.
2375         (do_add): Zero decimal field.
2376         (do_compare): Call do_decimal_compare for decimal floats.
2377         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2378         (real_arithmetic): Call decimal_real_arithmetic for decimal
2379         floating point operands.
2380         (real_identical): If a and b are of differing radix, return false.
2381         (real_to_integer): Call decimal_real_to_integer if the value is a
2382         decimal float.
2383         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2384         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2385         (real_to_hexadecimal): Place "N/A" in the return string for
2386         decimal float.
2387         (real_from_string3): New variant, given a mode.
2388         (real_maxval): Use decimal_real_maxval for decimal floats.
2389         (round_for_format): Use decimal_round_for_format for decimals.
2390         (real_convert): Use decimal_real_convert where appropriate.
2391         (significand_size): Handle base 10.
2392         (encode_decimal_single, decode_decimal_single,
2393         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2394         decode_decimal_quad): New functions.
2395         (decimal_single_format): New.
2396         (decimal_double_format): New.
2397         (decimal_quad_format): New.
2398         * machmode.def: Add SD, DD and TD decimal floating point modes.
2399         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2400         Include MODE_DECIMAL_FLOAT.
2401         (DECIMAL_FLOAT_MODE_P): New.
2402         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2403         * genmodes.c (struct mode_data): Add counter field.
2404         (struct mode_data): Update comment for format.
2405         (blank_mode): Initialise counter field.
2406         (new_mode): Increment counter field for each mode defined.
2407         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2408         using a format.
2409         (make_complex_modes): Handle modes containing `D'.
2410         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2411         (make_decimal_float_mode): New.
2412         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2413         (cmp_modes): Compare counter field if other characteristics
2414         similar.
2415         (emit_real_format_for_mode): Support formats for decimal floats.
2416         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2417         Document MODE_DECIMAL_FLOAT.
2418
2419 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2420
2421         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2422         Delete dead code.
2423
2424 2005-12-01  Richard Henderson  <rth@redhat.com>
2425
2426         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2427
2428 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2429
2430         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2431
2432         * config/pa/pa.c (pa_init_builtins): If we detect
2433         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2434         putc_unlocked.
2435
2436 2005-12-01  Richard Guenther  <rguenther@suse.de>
2437
2438         * fold-const.c (fold_binary): Use fold_build2, not
2439         fold (build (...)).
2440
2441 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2442
2443         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2444
2445         * vec.h (VEC_block_remove): New.
2446
2447 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2448
2449         PR c/13384
2450         * c-common.c (lvalue_error): Fix wording.
2451
2452 2005-12-01  Richard Guenther  <rguenther@suse.de>
2453
2454         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2455         thinko in last patch.
2456
2457 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2458
2459         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2460         than -flat_namespace.
2461
2462 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2463
2464         * mklibgcc.in: Parameterise the script to build soft float
2465         functions by iterating over each type, rather than cloning the
2466         code for each type.
2467
2468 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2469
2470         PR middle-end/25158
2471         * builtins.c (fold_builtin_fputs): Defer check for missing
2472         replacement functions.
2473
2474 2005-11-30  Kean Johnston  <jkj@sco.com>
2475
2476         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2477         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2478
2479 2005-11-30  Richard Guenther  <rguenther@suse.de>
2480
2481         PR tree-optimization/22501
2482         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2483         function split out from ...
2484         (forward_propagate_addr_expr): ... here.  Use it to propagate
2485         ADDR_EXPRs to all uses.
2486
2487 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2488
2489         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2490         * builtins.c (expand_builtin_mathfn): Use them.
2491         (expand_builtin_mathfn_2): Likewise.
2492         (expand_builtin_mathfn_3): Likewise.
2493         (expand_builtin_int_roundingfn): Likewise.
2494         (expand_builtin): Likewise.
2495         (integer_valued_real_p): Likewise.
2496         (fold_builtin_int_roundingfn): Likewise.
2497         (fold_builtin_bitop): Likewise.
2498         (fold_builtin_logarithm): Likewise.
2499         (fold_builtin_1): Likewise.
2500         * convert.c (convert_to_integer): Likewise.
2501         * fold-const.c (negate_mathfn_p): Likewise.
2502         (tree_expr_nonnegative_p): Likewise.
2503
2504 2005-11-30  Dale Johannesen  <dalej@apple.com>
2505             Andrew Pinski  <pinskia@physics.uc.edu>
2506
2507         * combine.c (find_split_point):  Sign extend bitmask
2508         when changing bitfield assignment to IOR of AND.
2509
2510 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2511
2512         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2513         clobber to scratch reg.
2514         (*decrement_and_branch_until_zero_no_clobber): Remove.
2515         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2516         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2517         * config/ms1/ms1.opt (mmul): Remove.
2518         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2519         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2520
2521 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2522             Bernd Schmidt  <bernd.schmidt@analog.com>
2523
2524         * pa/predicates.md (symbolic_operand): Add comment.
2525         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2526         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2527         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2528         (pa_secondary_reload_class): Delete.
2529         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2530         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2531         copy of symbolic operand.
2532         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2533
2534 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2535
2536         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2537         jump.
2538
2539 2005-11-30  Jeff Law  <law@redhat.com>
2540
2541         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2542         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2543
2544 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2545
2546         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2547         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2548         (ia64_expand_move): Adjust caller.
2549
2550         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2551         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2552         negate VAL.
2553
2554 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2555
2556         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2557         Always produce an output if we can remove NEGs or canonicalize
2558         (minus (minus ...)) expressions.  Provide a fast path for the
2559         two-operand case.
2560         (simplify_gen_binary): Do not call simplify_plus_minus.
2561         (simplify_binary_operation_1): Reassociate at the end of the
2562         function.
2563
2564 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2565
2566         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2567         moves and unpack to speed up.
2568
2569 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2570
2571         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2572         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2573         (gen_v9_scc): Update callers.
2574         * config/sparc/sparc.md: Likewise.
2575         * config/sparc/sparc-protos.h: Update extern declaration.
2576
2577         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2578
2579 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2580
2581         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2582         the if.
2583
2584 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2585
2586         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2587         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2588         (negate_expr): Here.
2589
2590 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2591
2592         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2593         Fix typo in comment.
2594
2595 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2596
2597         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2598         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2599
2600 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2601
2602         PR middle-end/20109
2603         PR middle-end/25120
2604         * builtins.c (init_target_chars): New.
2605         (expand_builtin_printf, expand_builtin_fprintf,
2606         expand_builtin_sprintf, fold_builtin_sprintf,
2607         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2608         fold_builtin_snprintf_chk, fold_builtin_printf,
2609         fold_builtin_fprintf): Check for matching format strings using
2610         the target charset.
2611
2612 2005-11-29  Paul Brook  <paul@codesourcery.com>
2613
2614         * config.gcc: Do not use fixproto on m68k-elf.
2615
2616 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2617
2618         * expmed.c (div_cost): Replace with...
2619         (sdiv_cost, udiv_cost): New.
2620         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2621         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2622         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2623         (expand_divmod): Replace use of div_cost with either sdiv_cost
2624         or udiv_cost depending upon the signedness of the operation.
2625
2626 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2627
2628         PR libfortran/24991
2629         * config/darwin.c (machopic_indirection_name,
2630         machopic_output_indirection): Follow transparent alias chain.
2631
2632 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2633
2634         * varasm.c (ultimate_transparent_alias_target): Add comment.
2635
2636 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2637
2638         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2639         SET_SRC instead of XEXP where appropriate.
2640
2641 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2642
2643         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2644         __builtin_expect.
2645
2646 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2647
2648         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2649         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2650         bit at a time.
2651
2652 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2653
2654         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2655         secondary_input_reload_class, made static.  Adapt to new
2656         infrastructure.
2657         (secondary_output_reload_class): Delete.
2658         (TARGET_SECONDARY_RELOAD): New macro.
2659         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2660         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2661
2662 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2663
2664         PR c++/21166
2665         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2666         when its natural alignment is > BITS_PER_UNIT.
2667         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2668         * c-common.c (handle_packed_attribute): Ignore packing on a field
2669         whose type is naturally char aligned.
2670
2671 2005-11-28  Richard Guenther  <rguenther@suse.de>
2672
2673         * c-common.c (strict_aliasing_warning): Handle all
2674         component-ref like accesses.
2675
2676 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2677             Uros Bizjak  <uros@kss-loka.si>
2678
2679         PR middle-end/20219
2680         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2681         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2682         when flag_unsafe_math_optimizations is set and
2683         we don't care about NaNs or Infinities.
2684
2685         Move x/expN(y) and x/pow(y,z) transformation into common
2686         flag_unsafe_math_optimizations section.
2687
2688 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2689
2690         * gcc.c (main): Change type of argv to "char **".
2691
2692 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2693
2694         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2695         small data sections.
2696         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2697         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2698         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2699         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2700         output locals to sbss if !rs6000_elf_in_small_data_p.
2701         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2702
2703 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2704
2705         PR target/24997
2706         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2707         generated by reload.
2708         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2709         indexed_or_indirect_address.
2710         (indexed_or_indirect_address): Don't test for base reg.  Call
2711         address_operand last.  Make it a special predicate.
2712
2713 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2714
2715         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2716
2717 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2718
2719         PR middle-end/24575
2720         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2721         is undefined.
2722         (negate_expr): Likewise.
2723
2724 2005-11-27  Andreas Schwab  <schwab@suse.de>
2725
2726         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2727         redundant parens.
2728
2729 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2730
2731         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2732         has EH predecessor edges.
2733
2734 2005-11-26  Eric Christopher  <echristo@apple.com>
2735
2736         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2737         register stalls by zero extending to the full register.
2738
2739 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2740
2741         * config/floatunsisf.c, config/floatunsidf.c,
2742         config/floatunsixf.c, config/floatunsitf.c: New files.
2743         * config/ia64/t-hpux: Add floatunsitf.c.
2744         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2745         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2746
2747 2005-11-26  Richard Henderson  <rth@redhat.com>
2748
2749         * c-lex.c (pragma_lex): Rename from c_lex.
2750         * c-pch.c: Update for pragma_lex rename.
2751         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2752         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2753         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2754         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2755         * doc/tm.texi: Likewise.
2756
2757 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2758
2759         PR middle-end/23669
2760         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2761         when overflow is undefined.
2762
2763 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2764
2765         * doc/md.texi (Insn Canonicalizations): Refer to the
2766         function commutative_operand_precedence for further rules.
2767
2768 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2769
2770         PR middle-end/21309
2771         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2772         is less than zero.  Limit mult_cost to a reasonable upper bound for
2773         the synthetic multiplication sequence.
2774
2775 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2776
2777         PR middle-end/25022
2778         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2779         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2780         Lookup the explicit replacement functions for any unlocked
2781         stdio builtin transformations.
2782
2783 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2784
2785         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2786         earlyclobber.
2787         * targhooks.c (default_secondary_reload): Don't require operand 2
2788         for an input reload to be earlyclobber.
2789
2790 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2791
2792         * fold-const.c (negate_mathfn_p): Fix comment and add support
2793         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2794         BUILT_IN_ATANH.
2795
2796 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2797
2798         PR middle-end/24998
2799         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2800         _Q_ulltoq for unsigned conversions from SImode and DImode to
2801         TFmode.
2802
2803 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2804
2805         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2806         (__floatundidf, __floatundisf): Likewise.
2807
2808 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2809
2810         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2811         (rs6000_override_options): Remove initialization of
2812         rs6000_sr_alias_set.
2813         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2814         (rs6000_emit_stack_tie): Same.
2815         (emit_frame_save): Same.
2816         (gen_frame_mem_offset): Same.
2817         (rs6000_emit_prologue): Same.
2818         (rs6000_emit_epilogue): Same.
2819
2820 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2821
2822         PR middle-end/24989
2823         * fold-const.c (fold_build): Convert bool_var != 1 and
2824         bool_var == 0 to !bool_var.
2825
2826 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2827
2828         PR middle-end/24990
2829         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2830         for C being INTEGER_CST.  Likewise for !=.
2831
2832 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2833
2834         PR middle-end/24998
2835         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2836         unsigned conversions from SImode to TFmode.
2837
2838 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2839
2840         * expr.c (expand_expr_real_1): Fix error in last change.
2841
2842 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2843
2844         * caller-save.c: (this_insn_sets): Move into:
2845         (save_call_clobbered_regs).
2846         (mark_set_regs): Get this_insn_sets from data.
2847
2848         (save_call_clobbered_regs): Take sets of the return value by
2849         sibcalls into account.
2850
2851 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2852         PR target/21623:
2853
2854         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2855         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2856         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2857         (memory_move_secondary_cost, init_reg_autoinc): Remove
2858         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2859         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2860         secondary_reload_class call.
2861         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2862         callers.
2863         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2864         (push_secondary_reload): Use secondary_reload target hook.
2865         (secondary_reload_class, scratch_reload_class): New functions.
2866         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2867         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2868         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2869         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2870         (secondary_reload_class, scratch_reload_class): Declare.
2871         * reload1.c: Include target.h.
2872         (reload_adjust_reg_for_temp): New function.
2873         (reload_adjust_reg_for_icode): Likewise.
2874         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2875         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2876         call.
2877         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2878         for inheritance.  Support case when both secondary & tertiary reloads
2879         are for intermediate registers.
2880         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2881         with secondary_reload_class call.  Support case when both secondary
2882         & tertiary reloads are for intermediate registers.
2883         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2884         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2885         * target.h (secondary_reload_info): New struct / typedef.
2886         (struct gcc_target): New member secondary_reload.
2887         * targhooks.c Include reload.h, optabs.h and recog.h.
2888         (default_secondary_reload): New function.
2889         * targhooks.h (default_secondary_reload): Declare.
2890         * doc/tm.texi: Document secondary_reload target hook.  Update
2891         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2892         * doc/md.texi: Likewise.
2893
2894         * sh-protos.h (sh_secondary_reload): Declare.
2895         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2896         (sh_secondary_reload): New function.
2897         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2898         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2899         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2900         (HAVE_SECONDARY_RELOADS): Define.
2901         * sh.md (reload_indf): Rename to:
2902         (reload_indf__frn).
2903         (reload_outdf): Rename to:
2904         (reload_outdf__RnFRm).
2905         (reload_insf): Rename to:
2906         (reload_insf__frn).
2907         (reload_insi): Rename to:
2908         (reload_insi__i_fpul).
2909
2910 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2911
2912         * configure.ac: Require at least texinfo 4.4.
2913         * configure: Regenerate.
2914
2915         * doc/install.texi (Tools/packages necessary for building GCC):
2916         Update required version of texinfo to at least 4.4.
2917         (Installing GCC: Building): Update required version of texinfo
2918         to at least 4.4.
2919         (Installing GCC: Final installation): Update required version
2920         of texi2dvi to at least 4.4.
2921         (Host/target specific installation notes for GCC): Update required
2922         version of texinfo to at least 4.4.
2923
2924 2005-11-24  Richard Guenther  <rguenther@suse.de>
2925         Dirk Mueller <dmueller@suse.de>
2926
2927         PR c++/14024
2928         * c-common.h (strict_aliasing_warning): Declare.
2929         * c-common.c (strict_aliasing_warning): New function,
2930         split out from ...
2931         * c-typeck.c (build_c_cast): ... here.
2932
2933 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2934
2935         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2936         to order operands.
2937         (swap_commutative_operands_with_target): New.
2938
2939 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2940
2941         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2942         also when doing PRE, rather than only for global CPROP.
2943
2944 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2945
2946         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2947         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2948         formatting.
2949         (expand_twoval_unop): Likewise.
2950         (widen_clz): Likewise.
2951         (expand_parity): Likewise.
2952         (expand_unop): Likewise.
2953         (emit_cmp_and_jmp_insn_1): Likewise.
2954         (prepare_float_lib_cmp): Likewise.
2955
2956 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2957
2958         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2959         Remove unused `class' variable.
2960
2961 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2962
2963         PR c++/21667
2964         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2965         C/C++ diagnostic function warn_array_subscript_with_type_char.
2966         * c-common.h (warn_array_subscript_with_type_char): Declare.
2967         * c-common.c (warn_array_subscript_with_type_char): Define.
2968
2969 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2970
2971         PR c/21668
2972         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2973         compiling at the intersection of C and C++.
2974
2975 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2976
2977         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2978         List @file in the option summary.  Include the libiberty
2979         documentation for @file.
2980         * gcc.c (main): Call expandargv.
2981         * Makefile.in (gcc-vers.texi): Define srcdir.
2982
2983 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2984
2985         * passes.c (init_optimization_passes): Document
2986         sequencing of passes.
2987
2988 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2989
2990         * config/m68k/predicates.md (pcrel_address, extend_operator,
2991         post_inc_operand, pre_dec_operand): Remove redundant
2992         conditionals.
2993         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2994         instead of abort.
2995         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2996
2997 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2998
2999         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3000
3001 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
3002
3003         Preparatory work for PR target/21623:
3004         * alpha.c (secondary_reload_class): Rename to:
3005         (alpha_secondary_reload_class).
3006         * alpha.h, alpha-protos.h: Likewise.
3007         * mn10300.c (secondary_reload_class): Rename to:
3008         (mn10300_secondary_reload_class).
3009         * mn10300.h, mn10300-protos.h: Likewise.
3010         * pa.c (secondary_reload_class): Rename to:
3011         (pa_secondary_reload_class).
3012         * pa.h, pa-protos.h: Likewise.
3013         * rs6000.c (secondary_reload_class): Rename to:
3014         rs6000_secondary_reload_class.
3015         * rs6000.h, rs6000-protos.h: Likewise.
3016
3017 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
3018
3019         PR middle-end/22561
3020         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3021
3022 2005-11-22  Ian Lance Taylor  <ian@airs.com>
3023
3024         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3025         a mode_class.
3026         (prepare_cmp_insn): Likewise.
3027
3028 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
3029
3030         PR target/23435
3031         * m68k.md (zero_extendsidi2): Force operands[1] to a register
3032         if both operands[0] and operands[1] are memory.
3033
3034 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3035
3036         PR middle-end/23606
3037         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3038         COMPARISON_CLASS_P and an integral types create create a new
3039         expression with the new type and fold that.
3040
3041 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3042
3043         PR target/24988
3044         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3045         to SUBTARGET_OS_CPP_BUILTINS.
3046
3047 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
3048
3049         * arm.c (emit_set_insn): New function.
3050         (arm_split_constant): Call it.
3051         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3052         (arm_legitimize_address): Likewise.  Use plus_constant.
3053         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
3054         (thumb_expand_prologue): Likewise.
3055         (arm_gen_load_multiple): Use VOIDmode in SET.
3056         (arm_gen_store_multiple): Likewise.
3057         (vfp_emit_fstmx): Likewise.  Use plus_constant.
3058         (emit_multi_reg_push): Likewise.
3059         (emit_sfm): Use plus_constant.
3060
3061 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
3062
3063         PR target/24954
3064         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3065         typo last change.
3066
3067 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3068
3069         PR middle-end/24950
3070         * expmed.c (store_bit_field): Don't attempt to insv a field
3071         larger than the reg.
3072
3073 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3074
3075         PR target/24954
3076         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3077         explicit sign extension, not a (char) cast.
3078
3079 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3080
3081         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3082         GET_MODE_CLASS (x) == MODE_FLOAT.
3083         * config/i386/i386.c: Likewise.
3084         * config/rs6000/xcoff.h: Likewise.
3085         * config/rs6000/linux64.h: Likewise.
3086         * config/rs6000/rs6000.c: Likewise.
3087         * config/rs6000/rs6000.h: Likewise.
3088         * config/rs6000/predicates.md: Likewise.
3089         * config/rs6000/sysv4.h: Likewise.
3090
3091 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3092
3093         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3094         flag_pic is set.
3095
3096         * config/alpha/freebsd.h, config/alpha/linux.h,
3097         config/arm/linux-elf.h, config/bfin/bfin.h,
3098         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3099         config/i386/beos-elf.h, config/i386/gnu.h,
3100         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3101         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3102         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3103         config/rs6000/linux64.h, config/rs6000/sysv4.h,
3104         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3105         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3106         config/sparc/linux.h, config/sparc/linux64.h,
3107         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3108
3109         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3110         are both defined when either flag -fpic or -fPIC are used.
3111
3112 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3113
3114         * config/fp-bit.c (clzusi): New function.
3115         (si_to_float, usi_to_float): Use it to compute proper shift.
3116         (usi_to_float): Preserve guard bits when shifting right.
3117         * libgcc-std.ver (GCC_4.2.0): New version.
3118         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3119         __floatundisf): New functions.
3120         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3121         __floatundisf): Declare.
3122         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3123         _floatundixf, and _floatunditf.
3124         * optabs.c (expand_float): If target does not define a pattern for
3125         signed or unsigned conversion, use an unsigned libcall instead of
3126         a signed one.
3127         (init_optabs): Initialize ufloat_optab.
3128
3129 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3130
3131         * config/rs6000/rs6000.opt (mmulhw): New option.
3132         * doc/invoke.texi (-mmulhw): Document.
3133         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3134         for 405 and 440.
3135         * config/rs6000/rs6000.md: Add half-word multiply and
3136         multiply-accumulate instructions for 405 and 440.
3137
3138 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3139
3140         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3141         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3142         default now includes a linker group which makes the RTEMS one nest.
3143
3144 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3145
3146         * cse.c (fold_rtx): Typo fix.
3147         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3148
3149 2005-11-21  Richard Henderson  <rth@redhat.com>
3150
3151         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3152         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3153
3154         * c-tree.h (lookup_name): Move declaration ...
3155         * c-common.h (lookup_name): ... here.
3156         * config/darwin-c.c: Include c-common.h.
3157         * config/t-darwin: Update dependencies.
3158
3159 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3160
3161         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3162         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3163         * genopinit.c (gen_insn): Likewise.
3164         * reload.c (find_equiv_reg): Likewise.
3165         * loop.c (load_mems): Likewise.
3166         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3167         * cse.c (find_comparison_args, fold_rtx): Likewise.
3168         * dwarf2out.c (add_const_value_attribute): Likewise.
3169         * expr.c (convert_move): Likewise.
3170         * recog.c (general_operand, register_operand): Likewise.
3171         * reg-stack.c (replace_reg): Likewise.
3172         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3173         * c-common.c (handle_vector_size_attribute): Likewise.
3174         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3175         (simplify_binary_operation_1): Likewise.
3176         (simplify_const_binary_operation): Likewise.
3177         (simplify_relational_operation): Likewise.
3178         (simplify_const_relational_operation): Likewise.
3179         (simplify_immed_subreg): Likewise.
3180         * emit-rtl.c (gen_lowpart_common): Likewise.
3181         * expmed.c (expand_mult): Likewise.
3182         * stor-layout.c (layout_type): Likewise.
3183
3184 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3185
3186         PR target/24951
3187         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3188         cst2 only for SPE vectors.
3189
3190 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3191
3192         PR target/24953
3193         * config/rs6000/predicates.md (vrsave_operation): Check
3194         UNSPEC_VOLATILE value.
3195
3196 2005-11-21  Jan Hubicka  <jh@suse.cz>
3197
3198         PR tree-optimization/24653
3199         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3200
3201 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3202
3203         * config/i386/predicates.md (ax_reg_operand): New predicate.
3204         (memory_displacement_only_operand): New predicate.
3205         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3206         operand is AX register and the other operand is memory operand
3207         with displacement only.
3208
3209 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3210
3211         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3212         if we don't care about NaNs or Infinities.
3213
3214 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3215
3216         PR rtl-optimization/24883
3217         * combine.c (combinable_i3pat): When checking whether the
3218         destination of i3 is used in i3, consider paradoxical subregs.
3219
3220 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3221
3222         PR middle-end/20583
3223         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3224
3225 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3226
3227         * combine.c (try_combine): Do not run subst on i1src and i2src in
3228         the case of generating a PARALLEL for a comparison.
3229
3230 2005-11-20  Richard Henderson  <rth@redhat.com>
3231
3232         PR 24931
3233         * tree-sra.c (struct sra_elt): Add all_no_warning.
3234         (struct sra_walk_fns) <use>: Add use_all argument.
3235         (sra_walk_expr): Pass it.
3236         (sra_walk_modify_expr): Likewise.
3237         (scalarize_ldst): Likewise.
3238         (scan_use): Update for new argument.
3239         (mark_no_warning): New.
3240         (scalarize_use): Use it.
3241
3242 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3243
3244         * expr.c (expand_expr_real): Use usmul_optab for widening
3245         signed * unsigned multiplies.
3246         * genopinit.c (optabs): Add usmul_widen_optab.
3247         * optabs.c (init_optabs): Likewise.
3248         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3249         (usmul_widen_optab): Define.
3250         * config/bfin/bfin.md (usmulhisi3): New pattern.
3251
3252         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3253
3254 2005-11-20  Graham Stott <btinternet.com>
3255
3256         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3257
3258 2005-11-20  Andreas Schwab  <schwab@suse.de>
3259
3260         PR target/24757
3261         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3262         insn.
3263
3264 2005-11-19  Richard Henderson  <rth@redhat.com>
3265
3266         PR tree-opt/24665
3267         * tree-gimple.c (is_gimple_id): Export.
3268         * tree-gimple.h (is_gimple_id): Declare.
3269         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3270         (get_default_value): Use it.
3271         (maybe_fold_stmt_indirect): Likewise.
3272
3273 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3274
3275         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3276         than VR1 or vice-versa.
3277
3278 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3279
3280         PR middle-end/24912
3281         PR middle-end/24750
3282         * reload.c (find_reloads_address_1): Mention dependency on
3283         gen_reload.
3284         * reload1.c (gen_reload): For IN with an unary operation, try
3285         moving inner expression to OUT if trivial SET is not valid.
3286         Confirm that the result is valid.  Move common code block into...
3287         (emit_insn_if_valid_for_reload): New function.
3288
3289 2005-11-19  Richard Guenther  <rguenther@suse.de>
3290
3291         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3292         ARRAY_REFs of constant strings.
3293
3294 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3295
3296         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3297         fatal format string.
3298
3299 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3300
3301         * combine.c (make_compound_operation): Swap operands of
3302         commutative operation if necessary before returning.
3303
3304 2005-11-19  Richard Guenther  <rguenther@suse.de>
3305
3306         PR middle-end/23294
3307         * fold-const.c (fold_plusminus_mult_expr): New function.
3308         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3309         cases, remove now unnecessary code.
3310
3311 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3312
3313         * gensupport.c (old_preds): Rename to std_preds, add special field.
3314         (struct old_pred_table): Rename to struct std_pred_table, add special
3315         field.
3316         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3317         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3318         (init_predicate_table): Adjust, and set along the way whether a
3319         predicate is special.
3320
3321 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3322
3323         * BASE-VER: Change to 4.2.0.
3324
3325 2005-11-18  James E Wilson  <wilson@specifix.com>
3326
3327         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3328         returning it.
3329
3330 2005-11-18  Mike Stump  <mrs@apple.com>
3331
3332         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3333         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3334         * c-decl.c (lookup_name_two) Remove.
3335         * c-tree.h (lookup_name_two): Remove.
3336         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3337         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3338         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3339         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3340
3341 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3342
3343         PR target/24914
3344         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3345         when not generating code to use that co-processor.
3346
3347 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3348
3349         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3350         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3351         these functions are now in tree-phinodes.c.
3352
3353 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3354
3355         * config/bfin/bfin.md (trap): New pattern.
3356
3357 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3358
3359         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3360         on types.
3361
3362         * expr.c (expand_expr_real): Don't call record_block_change unless
3363         ib_boundaries_block is non-null
3364
3365         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3366
3367         * fold-const.c (build_range_check): Use proper type for subtraction
3368         when merging lower bound.
3369
3370 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3371
3372         PR rtl-optimization/24497
3373         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3374         the copied insn.
3375
3376 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3377
3378         * tree-scalar-evolution.c (expression_expensive_p): New function.
3379         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3380
3381 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3382
3383         * config/bfin/crtlibid.s: New file.
3384
3385 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3386
3387         PR target/24348
3388         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3389         when not using sjlj exceptions.
3390         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3391         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3392         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3393         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3394         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3395         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3396         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3397         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3398         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3399         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3400         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3401         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3402         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3403         defines.
3404         * config/pa/hpux-unwind.h: New file.
3405
3406 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3407
3408         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3409         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3410         * varasm.c (do_assemble_alias): Adjust call.
3411         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3412         is defined.
3413         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3414
3415 2005-11-17  James E Wilson  <wilson@specifix.com>
3416
3417         * tree.def (FUNCTION_DECL): Correct typo in comment.
3418
3419 2005-11-17  Richard Henderson  <rth@redhat.com>
3420
3421         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3422         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3423         and DW_CFA_def_cfa_sf.
3424         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3425         (dbx_reg_number): Don't assert particular registers here.
3426         (based_loc_descr): ... do it here instead.  Fold in ...
3427         (eliminate_reg_to_offset): ... this function.
3428         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3429         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3430         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3431         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3432         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3433         (instantiate_virtual_regs): Likewise.
3434         * var-tracking.c (adjust_stack_reference): Likewise.
3435         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3436
3437 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3438
3439         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3440         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3441         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3442         crtlibid.o.
3443         ($(T)crtlibid.o): New rule.
3444
3445 2005-11-16  Richard Guenther  <rguenther@suse.de>
3446
3447         PR middle-end/24851
3448         * fold-const.c (extract_array_ref): Return byte offset
3449         in all cases.
3450         (fold_binary): Fold &x[a] CMP &x[b] to
3451         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3452         behavior.
3453
3454 2005-11-16  Richard Henderson  <rth@redhat.com>
3455
3456         PR middle-end/23497
3457         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3458         parts of an SSA_NAME.
3459
3460 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3461
3462         PR target/24861
3463         * arm.md (split for movsf with immediate): Restrict split to insns
3464         that set a general register.
3465
3466 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3467
3468         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3469         uw_update_context.
3470         * unwind-dw2.c (uw_advance_context): Likewise.
3471         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3472         _Unwind_SjLj_Unregister.
3473         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3474
3475 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3476
3477         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3478
3479 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3480
3481         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3482         langhook to get a DImode integer type.
3483
3484 2005-11-16  Richard Henderson  <rth@redhat.com>
3485             J"orn Rennecke <joern.rennecke@st.com>
3486             Ulrich Weigand  <uweigand@de.ibm.com>
3487
3488         PR rtl-opt/24160
3489         PR target/24621
3490         * reload1.c (reg_equiv_invariant): New.
3491         (reload): Allocate, initialize, and free it.
3492         (calculate_needs_all_insns): Check it when skipping equivalence
3493         setting insns.
3494         (alter_reg): Likewise.
3495         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3496         may_use_invariant argument; only use reg_equiv_invariant when true.
3497         (eliminate_regs): New.
3498         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3499         a context for which may_use_invariant may be true.
3500
3501 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3502
3503         * fold-const.c (const_binop): Don't constant fold the operation
3504         if the result has overflowed and flag_trapping_math.
3505         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3506
3507 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3508
3509         * config/arm/unwind-arm.c (abort): Add prototype here.
3510         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3511         (struct phase1_vrs): Add prev_sp.
3512         (unwind_phase2_forced): Save the original core registers instead of
3513         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3514         and set action flags accordingly.  Always set _US_END_OF_STACK when
3515         get_eit_entry fails.  Unwind before calling the stop function.
3516         (_Unwind_GetCFA): New function.
3517         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3518         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3519         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3520         just call unwind_phase2_forced.
3521         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3522         * config/arm/unwind-arm.h (abort): Remove prototype.
3523         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3524         prototypes.
3525         (_Unwind_GetCFA): New prototype.
3526         * config/arm/pr-support.c (abort): Add prototype here.
3527         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3528         forced unwinding.
3529         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3530         not schedule the prologue with non-call exceptions and EABI.
3531
3532 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3533
3534         * config/arm/unwind-arm.h: Reorder interface function declarations.
3535         (_URC_END_OF_STACK): New enumeration value.
3536         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3537         (struct _Unwind_Control_Block): Document reserved field use.
3538         (_Unwind_Stop_Fn): New typedef.
3539         (_Unwind_ForcedUnwind): Declare.
3540         (_Unwind_Resume_or_Rethrow): Declare.
3541         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3542         argument.  Adjust.
3543         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3544         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3545         (UCB_FORCED_STOP_ARG): New.
3546         (search_EIT_table): Update boundary condition checks.
3547         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3548         (unwind_phase2): Replace for with do..while.
3549         (unwind_phase2_forced): New.
3550         (__gnu_Unwind_RaiseException): Replace for with do..while.
3551         (__gnu_Unwind_ForcedUnwind): New.
3552         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3553         Use appropriate phase2 unwinder.
3554         (__gnu_Unwind_Resume_or_Rethrow): New.
3555         (__gnu_unwind_pr_common): Cope with forced unwinding.
3556
3557 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3558
3559         PR target/24772
3560         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3561
3562         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3563         roundsf2): Remove "s" from mnemonic.
3564
3565 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3566
3567         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3568         __PIC__ is defined.
3569         * config/bfin/crtn.s: Change epilogues to match.
3570         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3571         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3572         __PIC__ and __pic__.
3573
3574 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3575
3576         PR 24357
3577         * doc/invoke.texi: Distinguish between free and fixed form instead of
3578         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3579         languages.
3580         * gcc.c (default_compilers): Remove double entries, add entries for
3581         suffixes '.F90' and '.F95'.
3582
3583 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3584
3585         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3586         in the stack probing loop.
3587
3588 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3589
3590         * configure.ac: Use .machine power5 not power5x.
3591         * configure: Regenerate.
3592
3593 2005-11-15  Mike Stump  <mrs@apple.com>
3594
3595         * c-decl.c (lookup_name_two): Add.
3596         * c-tree.h (lookup_name_two): Likewise.
3597         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3598         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3599
3600 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3601
3602         PR rtl-optimization/23392
3603         * regrename.c (enum scan_actions) Add mark_access.
3604         (scan_actions_name): Ditto.
3605         (scan_rtx_reg): Handle mark_access.
3606         (scan_rtx_address): Do nothing for mark_access.
3607         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3608         and regs in REG_INC notes before closing chains for dead regs.
3609         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3610         opening chains for new writes.
3611
3612 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3613
3614         * c.opt (ffixed-line-length-none): New.
3615
3616 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3617
3618         * mklibgcc.in: Change contents of eh_dummy.c.
3619
3620 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3621
3622         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3623
3624 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3625
3626         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3627         of making syscalls.
3628         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3629
3630 2005-11-15  Jan Hubicka  <jh@suse.cz>
3631
3632         * invoke.texi (large-unit-insns): Document.
3633         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3634         * params.def (large-unit-insns): New param.
3635
3636 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3637
3638         PR target/24869
3639         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3640         special register for operand 3.  Reindent constraints to align
3641         them vertically.
3642
3643 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3644
3645         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3646         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3647         * configure.ac: Add test for FP rounding instructions.
3648         * configure: Regenerate.
3649         * config.in: Regenerate.
3650         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3651         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3652         features enabled.
3653         * config/rs6000/rs6000.opt (mfprnd): New.
3654         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3655         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3656         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3657         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3658         (TARGET_FPRND): New.
3659         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3660         UNSPEC_FRIZ): New.
3661         (btrunc<mode>2): New.
3662         (ceil<mode>2): New.
3663         (floor<mode>2): New.
3664         (round<mode>2): New.
3665
3666 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3667
3668         * gcc.c (version_compare_spec_function): Use fatal() rather than
3669         abort().
3670
3671         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3672         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3673         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3674         as empty.
3675         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3676         link in crt2.o.
3677
3678         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3679         on -mmacosx-version-min setting.
3680
3681 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3682
3683         PR 24840
3684         * tree-vrp.c (infer_value_range): Return false if STMT is a
3685         block terminator and its basic block has no successors.
3686
3687 2005-11-14  Mike Stump  <mrs@apple.com>
3688
3689         * config/i386/i386.c (override_options): -masm=intel isn't
3690         supported on darwin.
3691         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3692
3693 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3694
3695         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3696         vfork after including auto-host.h.
3697
3698 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3699
3700         PR rtl-optimization/22002
3701         * combine.c (distribute_notes): Detect cases where a reg dies
3702         two or more times in a bb, including on the insn we are combining,
3703         and place the death note on the correct range.
3704
3705 2005-11-14  Dale Johannesen  <dalej@apple.com>
3706
3707         * expmed.c (store_bit_field):  Add offset unconditionally for
3708         memory targets.
3709         (extract_bit_field):  Don't force extzv or extv operand into
3710         a register if field is too big.
3711
3712 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3713
3714         * config/arm/arm.c (pic_labelno): New.
3715         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3716         LABEL_REF.  Pass only the labelno to PIC insns.
3717         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3718         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3719         * arm.md (UNSPEC_PIC_LABEL): New constant.
3720         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3721         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3722         Use the correct label prefix.
3723
3724 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3725
3726         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3727         REQ_EQUIV note.
3728
3729 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3730
3731         * loop-invariant.c: Include tm_p.h.
3732         * Makefile.in: Updated.
3733
3734 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3735
3736         * pa.c (store_reg): Revise generation of frame notes in large frames.
3737         (set_reg_plus_d): Likewise.
3738
3739 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3740
3741         PR tree-optimization/24709
3742         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3743         loop check.
3744
3745 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3746
3747         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3748         and duplicate declaration of pthread_self.
3749
3750 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3751             Ian Lance Taylor  <ian@airs.com>
3752
3753         PR middle-end/24003
3754         * calls.c (expand_call): If TARGET is a MEM and some part of the
3755         argument area has been saved, force TARGET to a register.
3756
3757 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3758
3759         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3760         checking.
3761
3762 2005-11-13  Jason Merrill  <jason@redhat.com>
3763
3764         PR c++/22489
3765         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3766         lazily declared methods.
3767         (force_decl_die): Stop if forcing out the context already make a
3768         DIE for the decl.
3769         (force_type_die): Likewise.
3770
3771 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3772
3773         PR middle-end/24820
3774         * builtins.c (integer_valued_real_p): Add break in
3775         REAL_CST having TREE_OVERFLOW set.
3776
3777 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3778
3779         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3780         addressing modes during calculation of costs.
3781
3782 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3783
3784         * function.c (assign_stack_local_1): Restrict sanity check
3785         on frame size overflow to 32-bit and above platforms.
3786
3787 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3788
3789         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3790         * config/cris/cris.c: Include reload.h.
3791         (cris_initial_elimination_offset): New function.
3792         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3793         Prototype.
3794
3795 2005-11-12  Richard Guenther  <rguenther@suse.de>
3796
3797         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3798
3799 2005-11-12  Jan Hubicka  <jh@suse.cz>
3800
3801         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3802         to compare against 0 when possible.
3803
3804 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3805
3806         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3807         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3808         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3809         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3810         in the new order.
3811
3812 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3813
3814         * recog.c (constrain_operands) <case 'g'>: For a match, require
3815         that a non-register matches general_operand when strict >= 0.
3816
3817 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3818
3819         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3820         previous checkin.
3821
3822 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3823
3824         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3825         (memory_address_same): New.
3826         (dse_optimize_stmt): Call memory_address_same.
3827
3828 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3829
3830         PR middle-end/24750
3831         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3832         ZERO_EXTEND>: New cases.
3833
3834 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3835
3836         * longlong.h (__clz_tab): Always provide.
3837
3838 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3839
3840         PR 24265
3841         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3842         can be assigned to.
3843         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3844         before check_maybe_invariant.
3845         (move_invariant_reg): Use gen_move_insn instead of replacing
3846         SET_DEST with the temporary for the invariant.
3847         (move_loop_invariants): If checking is enabled, do internal
3848         consistency checks after completing the pass.
3849
3850 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3851
3852         PR 24644
3853         * common.opt (Wvolatile-register-var): New.
3854         * varasm.c (make_decl_rtl): Only emit warning when option
3855         specified.  Clarify warning message.
3856         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3857
3858         * doc/md.texi (copysign): Document standard named pattern.
3859
3860 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3861
3862         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3863         bytes when align is 2.
3864         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3865         by the first instruction of the loop.
3866
3867 2005-11-11  Jason Merrill  <jason@redhat.com>
3868
3869         PR c++/24686
3870         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3871         the cleanup list.
3872
3873 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3874
3875         PR rtl-optimization/22509
3876         * local-alloc.c (memref_used_between_p): Check whether a function call
3877         could not reference the memref.
3878
3879 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3880
3881         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3882         algorithm so as to choose the best, not the worst, alternative.
3883         Reset accumulated register class before processing next alternative.
3884
3885 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3886
3887         PR target/24445
3888         * calls.c (expand_call): Copy a return value to a plain register
3889         if needed.
3890
3891 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3892
3893         PR target/24778
3894         * varasm.c (assemble_name): Recompute name only for transparent
3895         aliases.
3896
3897 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3898
3899         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3900
3901 2005-11-04  Jeff Law  <law@redhat.com>
3902
3903         PR middle-end/23181
3904         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3905         perform reassociation if the parent statement will not die as
3906         a result of the optimization.
3907
3908 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3909
3910         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3911         delete_old_heap_vars.
3912         * tree-dfa.c (referenced_var_remove): Remove function.
3913         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3914         (delete_tree_ssa): Remove call to delete_old_heapvars.
3915         Add call to delete_alias_heapvars.
3916         * tree-flow.h (referenced_var_remove): Remove prototype
3917         (init_alias_heapvars): New prototype.
3918         (delete_alias_heapvars): Ditto.
3919         * Makefile.in (tree-ssa-structalias.o): Add
3920         gt-tree-ssa-structalias.o
3921         (GTFILES): Add tree-ssa-structalias.h and
3922         tree-ssa-structalias.c.
3923         (s-gtype): Add gt-tree-ssa-structalias.h.
3924         * tree-ssa-structalias.c (heapvars): Remove.
3925         (oldheapvars): Remove.
3926         (heapvar_for_stmt): New variable.
3927         (heapvar_lookup): New function.
3928         (heapvar_insert): Ditto.
3929         (get_constraint_for): See if we have an old heapvar
3930         to reuse.
3931         (init_alias_heapvars): New function.
3932         (delete_alias_heapvars): Ditto.
3933         Add include of gt-tree-ssa-structalias.h.
3934
3935 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3936
3937         PR middle-end/22127
3938         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3939
3940 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3941
3942         * tree.c (int_fits_type_p): Only look at the base type
3943         if it has the same precision as the original type.
3944
3945 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3946
3947         PR other/4372
3948         * varasm.c (assemble_alias): Use %q+D in the error
3949         message instead of %J and %qD.
3950
3951 2005-11-10  Richard Guenther  <rguenther@suse.de>
3952
3953         * gcse.c (free_ldst_entry): Only free hashtable if
3954         it exists.
3955
3956 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3957
3958         * function.c (assign_stack_local_1): Issue an error message if
3959         the frame size overflows in the signed target arithmetics.
3960
3961 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3962
3963         * tree.c (build_qualified_type): Chain the new type to the original
3964         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3965         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3966         (build_pointer_type_for_mode): Only return unqualified types.
3967         (build_reference_type_for_mode): Likewise.
3968
3969 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3970
3971         * Makefile.in (gnucompare): Do comparison of all files using one of
3972         the chosen methods and only afterwards decide if just warning should
3973         be issued or comparison failure raised.
3974
3975 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3976
3977         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3978         (noce_try_abs): Negate if the comparison is reversed.
3979         Look only one instruction backwards for a REG_EQUAL note.
3980
3981 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3982
3983         PR other/4372
3984         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3985         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3986         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3987         and prefix all uses with __ghtrw.
3988
3989 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3990
3991         PR other/4372
3992         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3993         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3994         * c-common.c (handle_weakref_attribute): New.
3995         (c_common_attribute_table): Add weakref.
3996         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3997         in the assembler.
3998         * configure, config.in: Rebuilt.
3999         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4000         * doc/extend.texi: Document weakref attribute.
4001         * varasm.c (ultimate_transparent_alias_target): New
4002         (assemble_name): Use it.
4003         (weak_finish_1): Split out of...
4004         (weak_finish): ... and deal with weakrefs in...
4005         (weakref_targets): ... new list.
4006         (globalize_decl): Clean up weakref_targets.
4007         (do_assemble_alias): Handle weakrefs.
4008         (finish_aliases_1): Do not reject weakrefs to external symbols.
4009         (assemble_alias): Handle weakrefs.
4010
4011 2005-11-09  Richard Guenther  <rguenther@suse.de>
4012
4013         PR tree-optimization/24716
4014         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4015         t_bool to track results from follow_ssa_edge.
4016
4017 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4018
4019         * final.c (force_source_line): New global variable.
4020         (final_scan_insn): Set it to true instead of clearing last_filename.
4021         (notice_source_line): Return true if force_source_line is true,
4022         unless source info is absent.
4023
4024 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
4025
4026         PR c/24644
4027         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4028         a linkage name for a variable if it a register variable.
4029         * c-decl.c (grokdeclarator): Global register variables
4030         should be set as PUBLIC.
4031
4032 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4033
4034         PR 24624
4035         * config/s390/s390.c (struct s390_frame_layout): New fields
4036         first_save_gpr_slot and last_save_gpr_slot.
4037         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4038         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4039         first_save_gpr and last_save_gpr with the _slot variants.
4040         (s390_register_info): Calculate first_save_gpr_slot and
4041         last_save_gpr_slot using regs_ever_live.
4042
4043 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4044
4045         PR 24623
4046         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4047         for a function containing a landing pad.
4048
4049 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4050
4051         PR 24034
4052         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4053         is live afterwards.
4054
4055 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
4056
4057         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4058         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4059
4060 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
4061
4062         Add ms2 support
4063         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4064         constants.
4065         (call,load,store): New insn types.
4066         (mem_access, branch_access): Adjust reservation conditions.
4067         (define_delay): Adjust condition.
4068         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
4069         type.
4070         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4071         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4072         insn type.
4073         (call_internal, call_value_internal, return_internal,
4074         return_interrupt_internal, eh_return_internal, indirect_jump,
4075         tablejump): Set call insn type.
4076         (blockage, ei, di): Use appropriate unspec const.
4077         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4078         (ms1_get_attr_type): Adjust to give load & store types.
4079         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
4080         backwards past a barrier.
4081         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
4082         branch scheduling.
4083         (struct branch_info, struct label_info): New.
4084         (ms1_labels): New.
4085         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4086         (ms1_machine_reorg): New.
4087         (TARGET_MACHINE_DEPENDENT_REORG): Override.
4088         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4089         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4090         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4091         (TARGET_MS2): New.
4092
4093 2005-11-09  Per Bothner  <per@bothner.com>
4094             Uros Bizjak  <uros@kss-loka.si>
4095
4096         PR c/24101
4097         * toplev.c (process_options): Initialize debug_hooks early
4098         in case lang_hooks.post_options ends up calling a debug_hook.
4099
4100 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
4101
4102         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4103         DBX_REGISTER_NUMBER being contiguous.
4104
4105 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
4106             Diego Novillo  <dnovillo@redhat.com>
4107
4108         PR 23046
4109         * tree-vrp.c (register_edge_assert_for): Do not register
4110         always-false predicates.
4111
4112 2005-11-08  Devang Patel <dpatel@apple.com>
4113
4114         PR tree-optimization/23115
4115         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4116         relation.
4117
4118 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
4119
4120         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4121         -mcpu=440.
4122
4123 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
4124
4125         Fix PR tree-optimization/23382
4126
4127         * tree-ssa-alias.c (compute_may_aliases): Call
4128         delete_old_heap_vars.
4129         * tree-dfa.c (referenced_var_remove): New function.
4130         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4131         * tree-flow.h (referenced_var_remove): Add prototype.
4132         (delete_old_heap_vars): Ditto.
4133         * tree-ssa-structalias.c (heapvars): New variable.
4134         (oldheapvars): Ditto.
4135         (get_constraint_for): Put heap vars on heapvars list.
4136         (delete_old_heap_vars): New function.
4137
4138 2005-11-08  Jason Merrill  <jason@redhat.com>
4139
4140         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4141
4142 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
4143
4144         PR target/19340
4145         * reg-stack.c (reg_to_stack): Update register liveness also
4146         for flag_sched2_use_traces.
4147
4148 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
4149
4150         PR target/23704
4151         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4152         override prior explicit -mno-powerpc-gfxopt.
4153
4154 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
4155
4156         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4157         if the bitsize is zero.
4158         * doc/md.texi (Standard Pattern Names): Document it.
4159
4160         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4161         (TARGET_PASS_BY_REFERENCE): Likewise.
4162
4163 2005-11-07  Ian Lance Taylor  <ian@airs.com>
4164
4165         PR rtl-optimization/24683
4166         * config/i386/i386.c (legitimize_pic_address): If constant operand
4167         to PLUS is too large, put it in a register.
4168
4169 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
4170
4171         * configure.ac: Enable checking assembler dwarf2 support for bfin
4172         target.
4173         * configure: Regenerate.
4174
4175 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4176
4177         PR target/24230
4178
4179         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4180         gen_easy_vector_constant_add_self): Delete.
4181         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4182         New.
4183         (output_vec_const_move): Use gen_easy_altivec_constant.
4184         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4185         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4186         (easy_vector_constant_add_self): Rewritten.
4187         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4188         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4189         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4190         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4191         Macroize and adjust for the other changes.
4192
4193 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4194
4195         PR c/24599
4196
4197         * c-typeck.c (build_c_cast): Try using a shared constant, and see
4198         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4199
4200 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
4201
4202         PR rtl-optimization/23567
4203         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4204         (noce_process_if_block): Don't do any optimizations except
4205         if (cond) x = x; if !set_b and write into orig_x may trap
4206         or fault.  Remove the MEM_READONLY_P check.
4207
4208 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
4209
4210         PR 24670
4211         * tree-vrp.c (fix_equivalence_set): New.
4212         (extract_range_from_assert): Call it.
4213
4214 2005-11-05  Ian Lance Taylor  <ian@airs.com>
4215
4216         PR target/22432
4217         * combine.c (apply_distributive_law): Don't distribute across a
4218         vector mode subreg.
4219
4220 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4221
4222         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4223         config/ms1/ms1.h, config/rs6000/predicates.md,
4224         config/s390/s390.c, params.def, postreload-gcse.c,
4225         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4226         tree-vrp.c, tree.c: Fix comment typos.
4227         * doc/invoke.texi: Fix typos.
4228
4229 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4230
4231         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4232         for testing whether the data_dependence_relation contains distance
4233         vectors.  Iterate over all distance vectors of the ddr.
4234         * lambda.h: Define a vec of lambda_vector pointers.
4235         * tree-data-ref.c (dump_data_dependence_relation,
4236         dump_data_dependence_direction): Iterate over all distance and
4237         direction vectors of the ddr.
4238         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4239         DDR_DIST_VECTS.
4240         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4241         of distance/direction vectors instead of a single one.
4242         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4243         lambda_vectors with a vec of lambda_vectors.
4244         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4245         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4246         DDR_NUM_DIST_VECTS): New.
4247         * tree-loop-linear.c (gather_interchange_stats): Test for the
4248         existence of distance vectors only after having checked that there
4249         is a dependence.  Iterate over all distance vectors of the ddr.
4250         (linear_transform_loops): Use dump_data_dependence_relation.
4251         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4252         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4253         distance vectors of the ddr.
4254
4255 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4256
4257         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4258         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4259         IS_INTHANDLER; all callers changed.
4260         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4261         account.
4262         (do_link, do_unlink): New argument ALL; all callers changed.
4263         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4264         If function isn't leaf, save and restore all registers.
4265         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4266         exception handler.
4267
4268 2005-11-05  Jan Hubicka  <jh@suse.cz>
4269
4270         PR rtl-optimization/23490
4271         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4272         max-flow-memory-location): Document.
4273         * flow.c: Include params.h
4274         (MAX_MEM_SET_LIST_LEN): Kill.
4275         (add_to_mem_set_list): Use new param.
4276         * cse.c (cse_basic_block): Replace 1000 by new param.
4277         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4278         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4279         * predict.c (predict_loops): Use new param.
4280         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4281
4282         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4283         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4284         Do not hold memory returned by cgraph_node_name across other call.
4285
4286 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4287
4288         PR target/23424
4289         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4290         Disable.
4291
4292 2005-11-04  Jeff Law  <law@redhat.com>
4293
4294         PR/21883
4295         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4296         * tree-ssa-dom.c: Include params.h.
4297         (thread_across_edge): If there are too many statements in the
4298         target block, then do not thread through it.
4299         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4300         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4301
4302 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4303
4304         PR 24627
4305         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4306         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4307
4308 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4309
4310         PR/18595
4311         * tree-scalar-evolution.c (instantiate_parameters_1,
4312         instantiate_parameters, resolve_mixers): Compute the size of an
4313         expression to be instantiated and give up the instantiation if the
4314         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4315
4316 2005-11-04  Richard Guenther  <rguenther@suse.de>
4317
4318         * tree-flow.h (ref_contains_indirect_ref): Rename to
4319         array_ref_contains_indirect_ref.
4320         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4321         (array_ref_contains_indirect_ref): Make comment match the code
4322         and vice-versa.
4323         (ref_contains_array_ref): Likewise.
4324         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4325         ref_contains_indirect_ref.
4326         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4327         Rename calls to ref_contains_indirect_ref.
4328
4329 2005-11-04 Paul Brook  <paul@codesourcery.com>
4330
4331         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4332         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4333         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4334         * config/arm/arm.md: Use match_operand in peephole input templates
4335         and match_dup in peephole output templates.
4336
4337 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4338
4339         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4340         __aeabi_uidiv.
4341
4342 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4343             Daniel Jacobowitz  <dan@codesourcery.com>
4344
4345         * longlong.h (add_ssaaaa): Clobber condition code register
4346         in ARM version.
4347         (sub_ddmmss): Likewise.
4348         (umul_ppmm): Likewise.
4349
4350 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4351             Paul Brook  <paul@codesourcery.com>
4352             Phil Blundell  <pb@reciva.com>
4353
4354         * configure.ac: Add test for ARM TLS support.
4355         * configure: Regenerated.
4356         * config/arm/arm-protos.h (legitimize_tls_address)
4357         (arm_tls_referenced_p, tls_mentioned_p)
4358         (arm_output_addr_const_extra): New prototypes.
4359         (thumb_legitimize_pic_address): Delete.
4360         * config/arm/arm.c: Include "gt-arm.h".
4361         (enum tls_reloc): New.
4362         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4363         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4364         (arm_call_tls_get_addr, legitimize_tls_address)
4365         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4366         (arm_init_tls_builtins, arm_emit_tls_decoration)
4367         (arm_output_addr_const_extra): New functions.
4368         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4369         (TARGET_HAVE_TLS): Define.
4370         (target_thread_pointer): New.
4371         (arm_override_options): Handle -mtp=.
4372         (legitimize_pic_address): Ignore UNSPECs.
4373         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4374         relative symbols.
4375         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4376         (tls_get_addr_libfunc): New variable.
4377         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4378         (arm_init_builtins): Call arm_init_tls_builtins.
4379         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4380         (arm_encode_section_info): Call default_encode_section_info.
4381         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4382         (enum arm_tp_type): New.
4383         (target_thread_pointer): Add declaration.
4384         (LEGITIMATE_CONSTANT_P): Handle TLS.
4385         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4386         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4387         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4388         * config/arm/arm.md: Add UNSPEC_TLS.
4389         (movsi): Handle TLS.
4390         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4391         non-PIC.
4392         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4393         (load_tp_hard, load_tp_soft): New insns.
4394         * arm.opt: Add -mtp=.
4395         * doc/invoke.texi (ARM Options): Document -mtp.
4396
4397 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4398
4399         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4400         * config/arm/libunwind.S: Include "lib1funcs.asm".
4401         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4402         (LIB2ADDEH): Add libunwind.S.
4403         (LIB2ADDEHDEP): Add lib1funcs.asm.
4404         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4405
4406 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4407
4408         PR fortran/18452
4409         * gcc/c.opt: Add a -lang-fortran option.
4410         * gcc/c-opts.c: Add a lang_fortran flag.
4411         (c_common_init_options): Handling the -lang-fortran option.
4412         (c_common_handle_option): Add a case for Fortran options in
4413         preprocessing. Remove cases for -ffixed-form and
4414         -ffixed-line-length. Add a case for -lang-fortran.
4415
4416 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4417
4418         * config/rs6000/rs6000.c: Include params.h
4419         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4420         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4421         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4422         (UNSPEC_VPKUWSS): Delete.
4423         (altivec_vpkuhss): Delete.
4424         (altivec_vpkuwss): Delete.
4425         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4426         final condition.
4427         (neg_eq0<mode>): Remove final condition.
4428         (neg_eq<mode>): Remove condition and split-condition.
4429
4430 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4431
4432         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4433         Use associated print macros.
4434
4435 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4436
4437         PR c++/17964
4438         * diagnostic.c (diagnostic_set_info_translated): New function.
4439         (diagnostic_set_info): Use it.  Add comment.
4440         * diagnostic.h (diagnostic_set_info_translated): Declare.
4441
4442 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4443
4444         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4445         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4446         reference only if 'public' is true.
4447         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4448         emit the .hidden directive only if the indirect reference is public.
4449         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4450         Pass it to dw2_force_const_mem.
4451         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4452         * dwarf2out.c (output_cfi): Adjust calls to above function.
4453         (output_call_frame_info): Likewise.
4454         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4455         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4456
4457 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4458
4459         PR tree-optimization/24483
4460         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4461         field to elts if possible.
4462
4463 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4464
4465         PR middle-end/23155
4466         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4467         CONSTRUCTOR.
4468
4469 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4470
4471         Fix PR tree-optimization/24351
4472
4473         * tree-ssa-structalias.c (struct variable_info): Add
4474         collapsed_into.
4475         (get_varinfo_fc): New function to follow collapsing.
4476         (new_var_info): Set collapsed_to to NULL.
4477         (dump_constraint): Follow collapsing.
4478         (build_constraint_graph): Handle collapsing.
4479         (do_simple_structure_copy): Return false if something bad
4480         happened.
4481         (collapse_rest_of_var): New function.
4482         (do_structure_copy): Collapse if do_simple_structure_copy returns
4483         false.
4484
4485 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4486
4487         PR middle-end/24589
4488         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4489         expressions to a statement list instead of gimplifying them.
4490
4491 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4492
4493         PR rtl-optimization/23585
4494         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4495         that can't trap plus a constant integer, if the mode has zero size.
4496
4497 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4498
4499         PR target/24620
4500         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4501         as operand 2.
4502         ("*insv<mode>_reg_extimm"): Likewise.
4503
4504 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4505
4506         PR c/24329
4507         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4508         c_common_type_for_mode returns an unnamed type.
4509
4510 2005-11-02  Richard Henderson  <rth@redhat.com>
4511
4512         PR target/9350
4513         PR target/24374
4514         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4515         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4516         * function.c (assign_parms): Use calls.internal_arg_pointer.
4517         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4518         code.
4519         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4520         (TARGET_CALLS): Add it.
4521         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4522         * targhooks.c (default_internal_arg_pointer): New.
4523         * targhooks.h (default_internal_arg_pointer): Declare.
4524         * tree.h (dwarf2out_reg_save_reg): Declare.
4525         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4526         * config/i386/i386.c (dbx_register_map): Add return column.
4527         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4528         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4529         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4530         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4531         (ix86_save_reg): Save force_align_arg_pointer.
4532         (ix86_emit_save_regs): Make regno unsigned.
4533         (ix86_emit_save_regs_using_mov): Likewise.
4534         (ix86_expand_prologue): Handle force_align_arg_pointer.
4535         (ix86_expand_epilogue): Likewise.
4536         * config/i386/i386.h: (dbx_register_map): Update.
4537         (dbx64_register_map, svr4_dbx_register_map): Update.
4538         (struct machine_function): Add force_align_arg_pointer.
4539         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4540         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4541         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4542
4543 2005-11-02  Jan Hubicka  <jh@suse.cz>
4544
4545         PR target/23303
4546         * i386.md: Add peep2 for simplyfing array accesses.
4547
4548 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4549
4550         PR target/24615
4551         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4552         * config/s390/s390.c (s390_decompose_shift_count): New function.
4553         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4554         (print_shift_count_operand): Use s390_decompose_shift_count.
4555         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4556         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4557
4558 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4559
4560         PR target/24600
4561         * loop.c (loop_givs_rescan): Use force_operand to expand
4562         complex GIVs.
4563
4564 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4565
4566         PR 22429
4567         * fold-const.c (build_range_check): Use unsigned when signed
4568         overflow is undefined also.  If etype is subtype, make sure that
4569         the subtraction is in the supertype.
4570
4571 2005-11-02  Richard Henderson  <rth@redhat.com>
4572
4573         PR target/24178
4574         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4575         by MEM_ALIGN.
4576
4577 2005-11-01  Richard Henderson  <rth@redhat.com>
4578
4579         PR 21518
4580         * loop.c (scan_loop): Do not propagate computations to a hard
4581         register destination with SMALL_REGISTER_CLASSES.
4582
4583 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4584
4585         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4586         costs for MULT inside PLUS or MINUS.
4587
4588 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4589
4590         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4591         (TRAMPOLINE_SIZE): Round up to 60.
4592         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4593
4594 2005-10-31  James E. Wilson  <wilson@specifix.com>
4595
4596         PR debug/24444
4597         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4598         ifdef.  Put ifdefs around call in gen_subprogram_die.
4599         (compute_frame_pointer_to_cfa_displacement): Likewise.
4600         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4601         not defined.
4602
4603         PR rtl-optimization/17356
4604         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4605         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4606
4607 2005-10-31  Jan Hubicka  <jh@suse.cz>
4608
4609         PR middle-end/24093
4610         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4611
4612         PR target/20928
4613         * i386.c (legitimize_pic_address): Deal with large immediates.
4614
4615         PR profile/20815
4616         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4617         from symbol names while computing checkup.
4618
4619         PR profile/24487
4620         * predict.c (predict_loops): Do not estimate more than
4621         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4622         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4623
4624 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4625
4626         PR tree-optimization/19097
4627         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4628
4629 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4630
4631         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4632
4633 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4634
4635         PR middle-end/23492
4636         * tree-inline.c (setup_one_parameter): If the init_stmt
4637         is NULL, don't insert the statement.
4638
4639 2005-10-30  Jan Hubicka  <jh@suse.cz>
4640
4641         PR tree-optimization/24172
4642         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4643
4644 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4645
4646         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4647         constants for hosts with long != 32 bits.
4648
4649 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4650
4651         PR middle-end/24093
4652         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4653
4654 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4655
4656         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4657         (TARGET_MS1_16_002): New.
4658         (TARGET_MS1_16_003): New.
4659
4660         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4661         ("*decrement_and_branch_until_zero_no_clobber"): New.
4662         Add corresponding splitter for decrement_and_branch_until_zero
4663         instruction.
4664         Key all decrement_and_branch_until_zero patterns off of
4665         TARGET_MS1_16_003.
4666
4667 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4668
4669         PR middle-end/24362
4670         * tree-complex.c (extract_component): Treat RESULT_DECL
4671         like the rest of the decls.
4672
4673 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4674
4675         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4676         indirect call to _mcount if the function needs a static chain.
4677
4678 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4679             Caroline Tice  <ctice@apple.com>
4680
4681         PR rtl-optimization/24460
4682         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4683         (dwarf2out_switch_text_section): Set it to true instead of
4684         incrementing separate_line_info_table_in_use.
4685         (output_loc_list): Additionally test have_switched_text_sections.
4686         (output_ranges): Likewise.
4687         (dwarf2out_finish): Likewise.
4688         * varasm.c (assemble_start_function): Do not call
4689         insert_section_boundary_note.
4690         (assemble_end_function): If flag_reorder_blocks_and_partition,
4691         switch to the function's section before emitting the .size directive.
4692         * bb-reorder.c (insert_section_boundary_note): Staticify.
4693         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4694         * output.h (insert_section_boundary_note): Delete.
4695
4696 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4697
4698         PR c/23103
4699         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4700         instead of pointer equality when comparing types.
4701
4702 2005-10-24  James E. Wilson  <wilson@specifix.com>
4703
4704         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4705         add_dependence_list_and_free calls.
4706
4707 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4708
4709         * contrib.texi: Add the names of the LLNL folks who donated
4710         Cray pointer support for gfortran.
4711
4712 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4713
4714         PR tree-optimization/24225
4715         * profile.c (branch_prob): Look from end to start through a
4716         basic block when looking for a locus.
4717
4718 2005-10-24  Richard Henderson  <rth@redhat.com>
4719
4720         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4721         parallel.
4722         (hppa_expand_prologue): Likewise.
4723
4724 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4725
4726         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4727         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4728         * pa.h (NO_PROFILE_COUNTERS): Define.
4729         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4730         (funcdef_nos): New vector to hold label numbers of deferred profile
4731         counters.
4732         (output_deferred_profile_counters): New function.
4733         (hppa_profile_hook): Push label number onto funcdef_nos.
4734         (pa_hpux_file_end): Call output_deferred_profile_counters if
4735         NO_DEFERRED_PROFILE_COUNTERS is false.
4736
4737         * pa-protos.h (get_deferred_plabel): New prototype.
4738         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4739         Make global.
4740         (output_call): Adjust calls.
4741
4742 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4743
4744         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4745         peculiarity of GOT/TOC section usage.
4746
4747 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4748
4749         PR objc/24435
4750          * c-common.c (constant_string_class_name): Add documentation.
4751
4752 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4753
4754         PR target/23832
4755         * recog.c (peephole2_optimize): Increment peep2_current_count
4756         only when the slot is empty.
4757
4758 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4759
4760         PR ada/23957
4761         * except.c (output_function_exception_table): Call
4762         assemble_external_libcall if we need a personality function.
4763
4764 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4765
4766         PR rtl-optimization/24460
4767         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4768         set the basic block for barriers.
4769
4770 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4771
4772         * var-tracking.c (vt_initialize): Initialize post.
4773
4774 2005-10-21  Devang Patel  <dpatel@apple.com>
4775
4776         PR/24220
4777         * c-common.c (vector_types_convertible_p): Check vector element type.
4778
4779 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4780
4781         * config/sh/sh.c (prepare_move_operands): Handle the address
4782         constant which is a tls symbolic address plus a constant.
4783
4784 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4785
4786         PR driver/24473
4787         * gcc.c (main): Use the correct counter for erroring out
4788         about mulitple files.
4789
4790 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4791
4792         PR target/24465
4793         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4794         use r2 for 64-bit tls .got access.
4795
4796 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4797
4798         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4799         TRUTH_OR_EXPR.
4800
4801 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4802
4803         PR tree-optimization/24307
4804         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4805
4806 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4807
4808         PR middle-end/24295
4809         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4810         alias targets.
4811         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4812         is ready, stop marking functions, but still mark variables.
4813
4814 2005-10-20  Richard Guenther  <rguenther@suse.de>
4815
4816         PR c++/24439
4817         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4818         void type operands.
4819
4820 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4821
4822         PR rtl-optimization/23585
4823         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4824         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4825         (may_trap_p_1): New predicate extracted from...
4826         (may_trap_p): ... here.  Invoke may_trap_p_1.
4827         (may_trap_or_fault_p): New predicate.
4828         * rtl.h (may_trap_or_fault_p): Declare it.
4829         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4830         instead of may_trap_p.
4831         (steal_delay_list_from_fallthrough): Likewise.
4832         (fill_simple_delay_slots): Likewise.
4833         (fill_slots_from_thread): Likewise.
4834         * function.c (pad_to_arg_alignment): Rework comment about
4835         SPARC_STACK_BOUNDARY_HACK.
4836         * config/sparc/sparc.h: Likewise.
4837
4838 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4839
4840         * config/s390/s390.c (s390_expand_insv): New.
4841         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4842         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4843         ("icm_hi"): Remove mode attribute.
4844         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4845         Adjust all uses.
4846         ("*extracthi", "*extractqi"): Remove.
4847         (extv<mode>", "*extzv<mode>"): New.
4848         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4849         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4850
4851 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4852
4853         * cfgexpand.c (discover_nonconstant_array_refs_r,
4854         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4855         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4856         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4857         discover_nonconstant_array_refs.
4858
4859 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4860
4861         PR c/23228
4862         * c-decl.c (pop_scope): Don't warn about an unused variable
4863         if it is marked with TREE_NO_WARNING.
4864         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4865         somenow mismatch and olddecl is to be replaced.
4866
4867 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4868
4869         PR middle-end/23199
4870         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4871         whether registers live on the edge can be saved/restored.
4872
4873 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4874
4875         * config/sh/sh.c (fixup_mova): Skip notes.
4876
4877 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4878
4879         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4880         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4881         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4882         (s390_initial_elimination_offset): Likewise.
4883         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4884         register on TARGET_ZARCH targets.
4885         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4886         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4887         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4888         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4889
4890 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4891
4892         * config/s390/s390.md: Comment describing output modifiers updated.
4893         * config/s390/s390.c (print_operand): Likewise.
4894
4895 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4896
4897         * config/s390/s390.c (override_options): Added check for -mstack-size
4898         64k limitation.
4899         * doc/invoke.texi: Mention that limit in the documenation.
4900
4901 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4902
4903         PR #19672
4904         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4905
4906 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4907
4908         Fix PR tree-optimization/24231
4909
4910         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4911         (compute_avail): Ditto.
4912
4913 2005-10-18  Richard Henderson  <rth@redhat.com>
4914
4915         PR target/24428
4916         * config/i386/i386.c (legitimate_constant_p): Check
4917         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4918         if LABEL_REF.
4919         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4920         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4921         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4922         directly.
4923         (print_operand_address): Likewise.
4924         * config/i386/predicates.md (x86_64_immediate_operand): Test
4925         SYMBOL_REF_TLS_MODEL properly inside CONST.
4926         (x86_64_zext_immediate_operand): Likewise.
4927         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4928         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4929         * config/i386/i386-protos.h: Remove predicates.md entries.
4930
4931 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4932
4933         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4934         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4935
4936 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4937             Ian Lance Taylor <ian@airs.com>
4938
4939         PR middle-end/23522
4940         * fold-const.c (fold_widened_comparison): Do not allow range based
4941         constant folding when right operand cannot be unwidened.
4942
4943 2005-10-17  Richard Henderson  <rth@redhat.com>
4944
4945         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4946         with a memory clobber.
4947
4948 2005-10-17  James E Wilson  <wilson@specifix.com>
4949
4950         PR rtl-optimization/17356
4951         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4952         checking for EDGE_EH.
4953
4954 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4955
4956         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4957         the slot on an even boundary for any type with 16-byte alignment.
4958
4959 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4960
4961         PR target/23424
4962         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4963         after register allocation.
4964
4965 2005-10-17  DJ Delorie  <dj@redhat.com>
4966
4967         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4968         as frame related.
4969
4970 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4971
4972         PR c++/22551
4973         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4974         overflow flags.
4975
4976 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4977
4978         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4979         to 2 if it's already non-zero.
4980         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4981         is set and warn about it if flag_schedule_insns is 1.
4982
4983 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4984
4985         * config/crx/crx.md: Compare-and-branch instructions need to
4986         invalidate CC.
4987
4988 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4989
4990         PR target/24315
4991         * config/i386/i386.md (*pushdi2_rex64 splitter)
4992         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4993         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4994         flow2 pass only when (optimize > 0 && flag_peephole2).
4995
4996 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4997
4998         PR driver/22544
4999         * gcc.c (have_c): New static variable.
5000         (have_o): Likewise.
5001         (process_command): Remove declation of have_c.
5002         Set have_o to 1 when handling -o.
5003         (main): Add a fatel error if there are multiple
5004         files specified and -o and -c/-S is passed witout
5005         -combine or multiple languages.
5006
5007 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
5008
5009         Fix PR tree-optimization/22444
5010         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5011         Assert that we don't hit something with subvars.
5012         (setup_pointers_and_addressables): Don't add things with subvars,
5013         because we'll already process the subvars for aliasing purposes.
5014
5015 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
5016
5017         PR target/23424
5018         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5019         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5020         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5021         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5022         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5023         swapped, alternatives for the R constraint.
5024
5025         PR middle-end/24341
5026         * builtins.c (get_builtin_sync_mode): Make unlimited
5027         mode_for_size request.
5028
5029 2005-10-15  Richard Henderson  <rth@redhat.com>
5030
5031         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5032         (gimplify_expr): ... here.
5033         (gimplify_compound_lval): Use it in initial scan loop.  Allow
5034         fb_lvalue in base expression.
5035
5036 2005-10-15  Richard Henderson  <rth@redhat.com>
5037
5038         PR 23714
5039         * builtins.c (expand_builtin_trap): Export.
5040         * expr.h (expand_builtin_trap): Declare.
5041         * expr.c (expand_assignment): Emit a trap for integral offsets
5042         from registers that weren't reduced to bitpos.
5043
5044         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5045         (mark_array_ref_addressable): Remove.
5046         * tree-flow.h (mark_array_ref_addressable): Remove.
5047         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5048
5049 2005-10-15  James E Wilson  <wilson@specifix.com>
5050
5051         PR target/24232
5052         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
5053         (add_dependence_list_and_free): Likewise.
5054         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5055         call.
5056
5057 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
5058
5059         PR 23141
5060         PR 23142
5061         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5062         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5063         anti-range.
5064         (vrp_visit_phi_node): Only prevent infinite iterations when
5065         the previous result and the new result are both VR_RANGEs.
5066
5067 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
5068
5069         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5070         function comment.
5071
5072 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5073
5074         PR c/23439
5075         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5076         to initialize loc.
5077
5078 2005-10-14  Per Bothner  <per@bothner.com>
5079
5080         PR preprocessor/21250
5081         * c-ppoutput.c (print_line): Print internal line 0 as 1.
5082
5083 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
5084
5085         PR c++/22551
5086         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5087         overflow flags.  Refactor some conditionals.
5088
5089 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
5090
5091         PR tree-opt/21304
5092         * tree-dfa.c (add_referenced_var): Only look at decls which
5093         have TREE_CONSTANT or TREE_READONLY set instead of if
5094         !TREE_PUBLIC or !TREE_CONSTANT.
5095
5096 2005-10-13  James E Wilson  <wilson@specifix.com>
5097
5098         * doc/invoke.texi: For -x, add f95-cpp-input.
5099         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5100
5101 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5102
5103         PR tree-optimization/24262
5104         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5105         in loop all the time.
5106
5107 2005-10-12  Richard Henderson  <rth@redhat.com>
5108
5109         PR c/24255
5110         * tree.h (DECL_TRANSPARENT_UNION): Remove.
5111         * function.c (assign_parm_find_data_types): Don't support it.
5112         * print-tree.c (print_node): Likewise.
5113         * c-common.c (handle_transparent_union_attribute): Likewise.
5114         Use build_duplicate_type.
5115         * tree-inline.c (remap_type_1): Split out of remap_type;
5116         properly remap aggregate fields.
5117         (build_duplicate_type): New.
5118         * doc/extend.texi (Variable Attributes): Remove documentation
5119         for transparent_union.
5120
5121 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5122
5123         PR target/24284
5124         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5125         (gen_stack_pointer_dec): Likewise.
5126
5127 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
5128
5129         PR middle-end/21275
5130         PR middle-end/21766
5131         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5132         target hook.
5133         (struct cxx): Add adjust_class_at_definition target hook.
5134         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5135         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5136         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5137         hook_void_tree. Add to TARGET_CXX.
5138         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5139         dllimport_flag.
5140         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5141         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5142         instead of attribute. Check for dllexport override.  Warn if
5143         inconsistent dll linkage. Don't lose old dllimport if decl has
5144         had address referenced.   Tweak lookup of dllimport atribute.
5145         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5146         for target specific rules.  Don't add dllimport attribute if
5147         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
5148         dllimport attribute.
5149         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5150         * varasm.c (initializer_constant_valid_p): Replace
5151         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5152
5153         PR target/21801
5154         PR target/23589
5155         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5156         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5157         (i[34567]86-*-mingw32*): Likewise.
5158
5159         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5160         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5161
5162         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5163         C++-specific code. Change return value to bool.
5164         (i386_pe_dllimport_p): Likewise.
5165         (associated_type): Simplify and make language-independent
5166         (i386_pe_encode_section_info): Replace override of ambiguous
5167         dllimport symbol refs with a gcc_assert.
5168         (i386_pe_valid_dllimport_attribute_p): Define.
5169         * config/i386/winnt-cxx.c: New file. Define C++ versions of
5170         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5171         i386_pe_adjust_class_at_definition.
5172         * config/i386/winnt-stubs.c: New file. Define stub versions of
5173         lang-specific functions.
5174         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5175         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5176         i386_pe_adjust_class_at_definition.
5177         (i386_pe_valid_dllimport_attribute_p): Declare.
5178         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5179         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5180         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5181
5182         PR target/19704
5183         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5184         dllimport attribute with test of DECL_DLLIMPORT_P.
5185
5186 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
5187
5188         * combine.c (make_extraction): Correct offset computation.
5189
5190 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5191
5192         * config/cris/t-linux (LIMITS_H_TEST): Define.
5193
5194 2005-10-12  Richard Henderson  <rth@redhat.com>
5195
5196         PR rtl-opt/23324
5197         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5198
5199 2005-10-12  Richard Guenther  <rguenther@suse.de>
5200
5201         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5202
5203 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5204
5205         PR c++/19964
5206         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5207         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5208         type.
5209
5210 2005-10-12  Richard Guenther  <rguenther@suse.de>
5211
5212         PR c++/23799
5213         * varasm.c (output_constant): Correct typo from previous
5214         patch by DJ.
5215
5216 2005-10-11  Ian Lance Taylor  <ian@airs.com>
5217
5218         PR rtl-optimization/13931
5219         * combine.c: Revert patch of 2003-05-14, and:
5220         (try_combine): Only set elim_i1 and elim_i2 if the destination is
5221         completely killed in the appropriate insn.
5222         (distribute_notes): Don't skip multiple hard register test for
5223         elim_i1 and elim_i2.
5224
5225 2005-10-11  Richard Henderson  <rth@redhat.com>
5226
5227         PR c/24255
5228         * c-typeck.c (convert_for_assignment): Use build_constructor_single
5229         to initialize a transparent union instead of a nop_expr.
5230
5231 2005-10-11  Richard Henderson  <rth@redhat.com>
5232
5233         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5234         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5235         (tree_ssa_dce_loop): Call scev_reset.
5236
5237         PR tree-opt/24300
5238         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5239         * tree-ssa-dce.c: Include cfgloop.h.
5240         (tree_ssa_dce_loop, pass_dce_loop): New.
5241         * tree-pass.h (pass_dce_loop): Declare it.
5242         * passes.c (init_optimization_passes): Use it.
5243
5244 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5245
5246         PR middle-end/24263
5247         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5248         Only apply the optimization for rounding builtins if the inner
5249         cast is also an extension.
5250
5251 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5252
5253         PR tree-opt/23946
5254         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5255         mark_new_vars_to_rename instead of update_stmt.
5256
5257 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5258
5259         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5260
5261 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5262
5263         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5264         for setting MMX register to 0 rather than mmx.
5265
5266 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5267
5268         PR target/12098
5269         * configure.ac: Move gas check from mips specific case to common case.
5270         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5271         * configure: Regenerate
5272         * doc/install.texi: Update.
5273
5274 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5275
5276         PR target/24284
5277         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5278
5279 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5280
5281         * gcc.c (do_spec_1): Accept numeric characters in file name
5282         suffixes.
5283
5284 2005-10-10  Nick Clifton  <nickc@redhat.com>
5285
5286         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5287         describing the deleted arm_gen_rotated_half_load function.
5288
5289 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5290
5291         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5292         __fpscr_values.
5293
5294 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5295
5296         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5297         gnu_ld assignments.
5298         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5299         (EXTRA_MULTILIB_PARTS): Define.
5300         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5301         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5302         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5303         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5304         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5305         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5306
5307 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5308
5309         PR tree-optimization/24226
5310         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5311         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5312         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5313         Export.
5314
5315 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5316
5317         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5318
5319 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5320
5321         PR target/24136
5322         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5323         Rewrite for no need for the early clobber.
5324
5325 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5326
5327         Merge from csl-arm-branch:
5328         2005-09-07  Paul Brook  <paul@codesourcery.com>
5329         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5330         space to string.
5331
5332         2005-04-30  Paul Brook  <paul@codesourcery.com>
5333         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5334         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5335
5336         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5337         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5338         (arm_override_options): Use TARGET_AAPCS_BASED.
5339         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5340         (PTRDIFF_TYPE): Use int for AAPCS.
5341         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5342         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5343         (DEFAULT_SHORT_ENUMS): Delete.
5344         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5345
5346         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5347         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5348         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5349         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5350
5351         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5352         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5353
5354         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5355         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5356
5357         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5358         * config.gcc (arm*-*-linux-gnueabi): Add it.
5359         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5360         redefining it.
5361         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5362         * config/arm/linux-eabi.h: New file.
5363         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5364         (LINUX_TARET_LINK_SPEC): Likewise.
5365         (LINK_SPEC): Use it.
5366         * config/arm/t-linux-eabi: New file.
5367
5368 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5369
5370         PR other/22202
5371         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5372         spaces.
5373         (PARAM_SMS_DFA_HISTORY): Likewise.
5374
5375 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5376
5377         PR middle-end/23150
5378         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5379         (load_register_parameters): Call it.
5380         (check_sibcall_argument_overlap_1): Likewise.
5381         (store_one_arg): Likewise.
5382
5383 2005-10-07  James E. Wilson  <wilson@specifix.com>
5384
5385         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5386         DImode not VECINT24 for operand 2.
5387
5388         PR target/23644
5389         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5390         -mtune-arch.
5391
5392         PR target/24193
5393         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5394         fr_spill): Use destination_operand for operand 0.
5395
5396 2005-10-07  DJ Delorie  <dj@redhat.com>
5397
5398         * varasm.c (output_constant): Limit error to expanding
5399         conversions.
5400
5401 2005-10-07  Richard Guenther  <rguenther@suse.de>
5402
5403         PR middle-end/24227
5404         * fold-const.c (fold_binary): Fix operand types during folding
5405         of X op (A, Y).  Evaluation order of the side-effects of
5406         X and A are frontend-defined, so ensure we honour that even for
5407         tcc_comparison class operands; eased by removing duplicate code.
5408
5409 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5410
5411         * stor-layout.c (layout_type): Do not allow alignment of array
5412         elements to be greater than their size.
5413
5414 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5415
5416         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5417         host_xmake_file.
5418         (hppa*-*-linux*): Ditto.
5419         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5420         * config/host-hpux.c: New.
5421         * config/x-hpux: New.
5422         * config/pa/x-hpux: Remove.
5423         * config/pa/x-linux: Remove.
5424         * config/pa/pa-host.c: Remove.
5425
5426 2005-10-07  Jeff Law  <law@redhat.com>
5427
5428         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5429         determine whether or not to try and thread outgoing edges.
5430
5431 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5432
5433         * config/rs6000/rs6000.md (eqsi_power): New.
5434         (neg_eq0si): Add TARGET_POWER to final condition.
5435         (neg_eqsi): Same.
5436
5437 2005-10-06  Richard Henderson  <rth@redhat.com>
5438
5439         * config/rs6000/rs6000.c: Revert last change.
5440
5441 2005-10-06  Richard Henderson  <rth@redhat.com>
5442
5443         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5444         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5445
5446 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5447
5448         PR middle-end/22216
5449         PR middle-end/23651
5450         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5451         out return_label and naked_return_label.
5452
5453 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5454
5455         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5456         change.
5457
5458 2005-10-06  Richard Henderson  <rth@redhat.com>
5459
5460         PR tree-opt/22237
5461         * tree-inline.c (declare_return_variable): Handle modify_dest not
5462         being a DECL.
5463
5464 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5465
5466         Fix PR tree-optimization/22488
5467         * tree-ssa-structalias.c (check_for_overlaps): New function.
5468         (create_variable_info_for): Use it.
5469
5470 2005-10-06  Richard Henderson  <rth@redhat.com>
5471
5472         PR debug/24070
5473         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5474         (dwarf2out_start_source_file): Print it.
5475
5476 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5477
5478         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5479
5480 2005-10-06  Richard Henderson  <rth@redhat.com>
5481
5482         PR 23706
5483         * mode-switching.c (optimize_mode_switching): Clear transp bit
5484         for block with incomming abnormal edges.
5485
5486         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5487         (fpscr_set_from_mem): Use them.
5488         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5489         (fpscr postinc splitters): Rewrite as peephole2+split.
5490
5491 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5492
5493         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5494         (eq<mode>_compare): Same.
5495
5496 2005-10-06  Richard Guenther  <rguenther@suse.de>
5497
5498         PR tree-optimization/24238
5499         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5500
5501 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5502
5503         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5504         here.  Use AC_PATH_PROG for environment variables instead of
5505         test -x.
5506         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5507         objdump also.
5508         * configure: Regenerated.
5509
5510 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5511
5512         PR target/23783
5513         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5514         then force it into a register.
5515         (call_value): Likewise.
5516
5517 2005-10-06  Richard Henderson  <rth@redhat.com>
5518
5519         PR 24049
5520         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5521         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5522         under pass_vectorize.
5523
5524 2005-10-05  Devang Patel  <dpatel@apple.com>
5525
5526         PR Debug/23205
5527         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5528         handling constants. Check NAMESPACE_DECL context for constants.
5529
5530 2005-10-05  Eric Christopher  <echristo@apple.com>
5531
5532         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5533
5534 2005-10-05  Richard Henderson  <rth@redhat.com>
5535
5536         PR 23714
5537         * tree-cfg.c (mark_array_ref_addressable_1): New.
5538         (mark_array_ref_addressable): New.
5539         * tree-flow.h (mark_array_ref_addressable): Declare.
5540         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5541
5542 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5543
5544         PR middle-end/20606
5545         PR middle-end/24069
5546         * reload.c (subst_reloads): When adding a REG_LABEL to a
5547         jump instruction, also update JUMP_LABEL.
5548
5549 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5550
5551         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5552         * bb-reorder.c (copy_bb_p): Use it.
5553         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5554
5555 2005-10-05  Richard Henderson  <rth@redhat.com>
5556
5557         PR target/23602
5558         * toplev.c (process_options): Warn about unsupported combinations
5559         of unwind tables and omit-frame-pointer.
5560         * config/i386/i386.c (override_options): Similarly.  Enable
5561         accumulate-outgoing-args if not explicitly disabled.
5562
5563 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5564
5565         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5566         Handle big endian vs. small endian.
5567         (vec_initv2sf): Handle big endian vs. small endian.
5568         (*vec_extractv2sf_1): Ditto.
5569
5570 2005-10-05  Dale Johannesen  <dalej@apple.com>
5571
5572         * convert.c (convert_to_real):  Don't convert
5573         (float)floor(double d) to floorf((float)d).
5574
5575 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5576
5577         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5578
5579 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5580
5581         PR tree-optimization/18587
5582         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5583         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5584         build_vuses): Change to VEC type.
5585         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5586         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5587         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5588         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5589         (get_name_decl): New.  Return DECL_UID of base variable.
5590         (operand_build_cmp): New.  qsort comparison routine.
5591         (operand_build_sort_virtual): New.  Sort virtual build vector.
5592         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5593         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5594         (FINALIZE_BASE): Use get_name_decl.
5595         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5596         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5597         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5598         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5599         direct VEC_* manipulations.
5600         (build_ssa_operands): Call operand_build_sort_virtual.
5601         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5602         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5603         with direct VEC_* manipulations.
5604         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5605         with direct VEC manipulations.
5606
5607 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5608
5609         PR tree-optimization/21419
5610         PR tree-optimization/24146
5611         PR tree-optimization/24151
5612
5613         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5614         (build_asm_expr): Call it if outputs are read-only.
5615         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5616
5617 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5618             Paolo Bonzini  <bonzini@gnu.org>
5619
5620         PR target/23809
5621
5622         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5623         enable the instructions and not just the built-ins.
5624         * doc/invoke.texi (x86 Options): Likewise.
5625
5626 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5627
5628         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5629
5630         * doc/invoke.texi (Option Summary): Correct spelling
5631         of -mmacosx-version-min.
5632
5633 2005-10-04  Devang Patel  <dpatel@apple.com>
5634
5635         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5636         real types.
5637
5638 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5639
5640         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5641         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5642
5643 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5644
5645         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5646         ("TE","tg"): New mode attributes.
5647         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5648         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5649         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5650         dword_mode and one for GPRmode.
5651
5652 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5653
5654         PR preprocessor/13726
5655         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5656         any comments passed in.
5657
5658 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5659
5660         * tree.c (annotate_with_file_line): Fix typo.
5661
5662 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5663
5664         PR ada/19382
5665         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5666         type used to access data in the inlined length == 1 case, use
5667         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5668         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5669
5670 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5671
5672         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5673         TARGET_SSE3 and only for TARGET_80387.
5674         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5675         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5676         Do not depend on TARGET_80387.
5677
5678 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5679
5680         * tree.c (last_annotated_node): Change type to location_t*.
5681         (annotate_with_file_line): Reflect the change of
5682         last_annotated_node type.
5683
5684 2005-10-04  Richard Guenther  <rguenther@suse.de>
5685
5686         PR c/23576
5687         * c-decl.c (grokdeclarator): Don't write to fields
5688         of error_mark_node.
5689
5690 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5691
5692         PR middle-end/23125
5693         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5694         register variables.
5695         * varasm.c (make_decl_rtl): If a register variable does not
5696         have a set user assmbler name, error out.
5697         Decode the asmspec is now name+1 bypassing '*'.
5698
5699 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5700
5701         PR tree-optimization/23049
5702         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5703         of a COND_EXPR is folded before calling fold on the whole rhs of a
5704         conditional assignment.
5705         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5706         document that a COND_EXPR may appear there.
5707
5708 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5709
5710         PR 23445
5711         * tree-vrp.c (extract_range_from_assert): If the new numeric
5712         range created out of the assertion contradicts the existing
5713         numeric range of the ASSERT_EXPR variable, make the new range
5714         varying.
5715
5716 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5717
5718         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5719         from T_REGS to FP register class.
5720
5721 2005-10-03  Richard Henderson  <rth@redhat.com>
5722
5723         PR 24135
5724         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5725         before creating a new one.
5726
5727 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5728
5729         * config/rs6000/t-aix43 (LDFLAGS): New.
5730         * config/rs6000/t-aix52 (LDFLAGS): New.
5731
5732 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5733
5734         * gimplify.c (find_single_pointer_decl_1): New static function.
5735         (find_single_pointer_decl): New static function.
5736         (internal_get_tmp_var): For a formal variable, set restrict base
5737         information if appropriate.
5738         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5739         return it.
5740         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5741         (DECL_GET_RESTRICT_BASE): Define.
5742         (SET_DECL_RESTRICT_BASE): Define.
5743         (decl_restrict_base_lookup): Declare.
5744         (decl_restrict_base_insert): Declare.
5745         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5746         * tree.c (restrict_base_for_decl): New static variable.
5747         (init_ttree): Initialize restrict_base_for_decl.
5748         (copy_node_stat): Copy restrict base information.
5749         (decl_restrict_base_lookup): New function.
5750         (decl_restrict_base_insert): New function.
5751         (print_restrict_base_statistics): New static function.
5752         (dump_tree_statistics): Call print_restrict_base_statistics.
5753
5754 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5755
5756         PR 24142
5757         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5758         case of anti-ranges.
5759
5760 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5761
5762         PR c/18851
5763         * c-typeck.c (tagged_tu_seen): Rename to ...
5764         (tagged_tu_seen_cache): this and add val field.
5765         (comptypes): Move functional to comptypes_internal
5766         and free tagged_tu_seen.
5767         (comptypes_internal): New function and call comptypes_internal
5768         instead of comptypes. Speed up by sibcalling
5769         tagged_types_tu_compatible_p.
5770         (alloc_tagged_tu_seen): New function
5771         (free_all_tagged_tu_seen_up_to): New function.
5772         (tagged_types_tu_compatible_p): Return the val of the seen two
5773         types.
5774         Add that the two types are the same to tagged_tu_seen_base
5775         if they are and call comptypes_internal instead of comptypes.
5776         <case UNION_TYPE>: Speed up common type where the fields are
5777         in the same order.
5778         (function_types_compatible_p): Call comptypes_internal instead of
5779         comptypes.
5780         (type_lists_compatible_p): Likewise.
5781         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5782
5783 2005-10-02  Matthias Klose  <doko@debian.org>
5784
5785         * doc/invoke.texi: Fix typo and speling error.
5786
5787 2005-10-01  Richard Henderson  <rth@redhat.com>
5788
5789         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5790
5791 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5792
5793         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5794         using --start-group and --end-group.
5795
5796 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5797
5798         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5799         FIXME note regarding quirky semantics.
5800
5801 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5802
5803         PR 24141
5804         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5805         non-null range as a last resort.
5806
5807 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5808             Diego Novillo  <dnovillo@redhat.com>
5809
5810         PR 23604
5811         * tree-vrp.c (extract_range_from_assert): For !=
5812         assertions, only build an anti-range if LIMIT is a
5813         single-valued range.
5814
5815 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5816
5817         * arm.md (movqi): On thumb when optimizing, handle loading from
5818         memory by describing this as taking a subreg of a zero-extended load
5819         into an SImode register.
5820         (movhi): Likewise.
5821
5822 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5823
5824         * reload1.c (merge_assigned_reloads): Do not change any
5825         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5826
5827 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5828
5829         * Makefile.in (LIPO_FOR_TARGET): Define.
5830         (STRIP_FOR_TARGET): Define.
5831
5832         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5833         before creating new ones.  Do symlinks before creating the actual
5834         targets.
5835
5836         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5837         to work out which multilibs are actually being built.
5838
5839 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5840
5841         * tree-vect-transform.c, config/ms1/ms1.md,
5842         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5843         Follow spelling conventions.
5844         * doc/invoke.texi, doc/md.texi: Fix typos.
5845
5846 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5847
5848         PR tree-optimization/21430
5849         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5850         use operands, and set stmt pointer if need be.
5851         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5852         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5853         present.
5854
5855 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5856
5857         PR middle-end/24053
5858         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5859
5860 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5861
5862         * optabs.c (expand_binop): Initialize first_pass_p.
5863
5864 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5865
5866         PR middle-end/24109
5867         * c-decl.c (c_write_global_declarations_1): If any
5868         wrapup_global_declaration_2 call returned true, restart the loop.
5869
5870 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5871
5872         Fix PR tree-optimization/24117
5873         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5874         before considering whether to use anyoffset.
5875
5876 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5877
5878         Revert this patch:
5879
5880         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5881
5882         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5883         to order operands.
5884         (swap_commutative_operands_with_target): New.
5885
5886 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5887
5888         PR c/21419
5889         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5890         read-only.
5891
5892 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5893
5894         PR tree-optimization/23911
5895         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5896         and IMAGPART_EXPR too.
5897
5898 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5899
5900         PR 17886
5901         * expmed.c (expand_shift): Move logic to reverse rotation
5902         direction when  rotating by constants ...
5903         * optabs.c (expand_binop): ... here.
5904         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5905         (ix86_rotrdi3): New pattern.
5906         (rotldi3): Handle 32-bit mode.
5907         (ix86_rotldi3): New pattern.
5908
5909 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5910
5911         PR target/24102
5912         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5913         check for numbers that need no bit twiddle.
5914
5915 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5916
5917         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5918         multilib to be built.
5919
5920         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5921         (stage1-start): Delete old libgcc and libunwind before moving
5922         anything into the stage directory.
5923         (stage2-start): Likewise.
5924         (stage3-start): Likewise.
5925         (stage4-start): Likewise.
5926         (stageprofile-start): Likewise.
5927         (stagefeedback-start): Likewise.
5928         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5929         header in tm_file and CPU-specific t-darwin in tmake_file.
5930         (i[34567]86-*-darwin*): Don't change tm_file.
5931         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5932         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5933         shared library stub for target OS version.
5934         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5935         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5936         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5937         (libgcc_s.%.dylib): New.
5938         (LIBGCC): Define.
5939         (install-darwin-libgcc-stubs): New.
5940         (INSTALL_LIBGCC): New append.
5941         * config/i386/darwin-libgcc.10.4.ver: New.
5942         * config/i386/darwin-libgcc.10.5.ver: New.
5943         * config/i386/t-darwin: New.
5944         * config/rs6000/darwin-libgcc.10.4.ver: New.
5945         * config/rs6000/darwin-libgcc.10.5.ver: New.
5946         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5947         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5948
5949 2005-09-28  Paul Brook  <paul@codesourcery.com>
5950
5951         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5952         denormals.
5953
5954 2005-09-28  Richard Guenther  <rguenther@suse.de>
5955
5956         PR tree-optimization/23853
5957         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5958         host_integerp to verify misalignment value.
5959
5960 2005-09-28  Richard Henderson  <rth@redhat.com>
5961
5962         * builtins.c (get_builtin_sync_mode): New.
5963         (expand_builtin_sync_operation): Pass in mode argument.
5964         (expand_builtin_compare_and_swap): Likewise.
5965         (expand_builtin_lock_test_and_set): Likewise.
5966         (expand_builtin_lock_release): Likewise.
5967         (expand_builtin): Update to match.
5968
5969 2005-09-28  Nick Clifton  <nickc@redhat.com>
5970
5971         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5972         formatting.  Add check to PLUS case to ensure that the offset is
5973         within an acceptable range.
5974
5975         * config/v850/v850.md (casesi): Disable the generation of the
5976         switch pattern as it is not being handled properly at the moment.
5977
5978         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5979         for when the high words are identical.
5980
5981 2005-09-27  Richard Henderson  <rth@redhat.com>
5982
5983         * pretty-print.c (pp_base_format): Fix typo for %>.
5984
5985 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5986             Devang Patel  <dpatel@apple.com>
5987
5988         PR tree-optimization/23625
5989         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5990         LABEL_EXPR, assertion check.
5991
5992 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5993
5994         * optabs.c (no_conflict_move_test): Check if a result of a
5995         to-be-moved insn would be clobbered by an originally
5996         preceding insn.
5997
5998 2005-09-27  Jeff Law  <law@redhat.com>
5999
6000         * passes.c (init_optimization_passes): Replace copy propagation
6001         passes immediately after DOM with phi-only copy propagation
6002         pases.  Add phi-only copy propagation pass after first DOM pass.
6003         * tree-pass.h (pass_phi_only_copy_prop): Declare.
6004         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6005         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6006         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
6007         to init_copy_prop.  Callers updated.
6008         (do_phi_only_copy_prop): New function.
6009         (pass_phi_only_copy_prop): New pass descriptor.
6010
6011 2005-09-27  Nick Clifton  <nickc@redhat.com>
6012
6013         * libgcc2.c (__popcount_tab): Remove redundant prototype.
6014
6015 2005-09-26  Jason Merrill  <jason@redhat.com>
6016
6017         PR c++/13764
6018         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6019
6020         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6021
6022 2005-09-26  James E Wilson  <wilson@specifix.com>
6023
6024         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6025         copyright.  Add gcc copyright plus libgcc exception.
6026         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
6027         copyright.
6028         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6029
6030 2005-09-26  Jeff Law  <law@redhat.com>
6031
6032         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6033         about when to iterate.
6034
6035 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
6036
6037         PR target/23847
6038         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6039         for __complex__ double in -mcpu=G5 mode.
6040
6041 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
6042
6043         PR tree-optimization/23942
6044         * Makefile.in (SCEV_H): Depends on PARAMS_H.
6045         * tree-scalar-evolution.c: Include params.h.
6046         (t_bool): New enum.
6047         (follow_ssa_edge, follow_ssa_edge_in_rhs,
6048         follow_ssa_edge_in_condition_phi_branch,
6049         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6050         Change return type to t_bool.  Use a parameter to limit the size of
6051         trees that are walked before stopping
6052         (analyze_evolution_in_loop): Initialize the limit to 0.
6053         (follow_ssa_edge): Give up by returning t_dont_know if the limit
6054         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6055
6056 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6057
6058         PR middle-end/23831
6059         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6060         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6061
6062 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
6063
6064         * combine.c (make_extraction): Check for valid use of subreg.
6065
6066 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6067
6068         PR target/24055
6069         * config/i386/i386.md ("*fistdi2_1"): New pattern.
6070         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6071         ("fist<mode>2_with_temp"): Use only register operands.
6072
6073 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
6074
6075         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6076         CALL_INSN_FUNCTION_USAGE.
6077
6078 2005-09-26  Richard Guenther  <rguenther@suse.de>
6079
6080         PR middle-end/15855
6081         * gcse.c: Include hashtab.h, define ldst entry hashtable.
6082         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6083         (ldst_entry): Use the hashtable instead of list-walking.
6084         (find_rtx_in_ldst): Likewise.
6085         (free_ldst_entry): Free the hashtable.
6086         (compute_ld_motion_mems): Create the hashtable.
6087         (trim_ld_motion_mems): Remove entry from hashtable if
6088         removing it from list.
6089         (compute_store_table): Likewise^2.
6090         (store_motion): Free hashtable in case we did not see
6091         any stores.
6092
6093 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
6094
6095         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6096         and arg1 if we are passing them to fold_build2.
6097
6098 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
6099
6100         PR 23828
6101         * config/i386/i386.c (ix86_function_regparm): Fix the test for
6102         a nested function.
6103
6104 2005-09-25  Richard Henderson  <rth@redhat.com>
6105
6106         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6107         SYMBOL_REF_TLS_MODEL to be correct.
6108
6109 2005-09-24  Richard Henderson  <rth@redhat.com>
6110
6111         * ipa-type-escape.c (discover_unique_type): Remove dead code at
6112         end of function.  Reindent.
6113
6114 2005-09-24  Ian Lance Taylor  <ian@airs.com>
6115
6116         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6117         NEGATE_EXPR/BIT_NOT_EXPR case.
6118
6119 2005-09-24  Richard Henderson  <rth@redhat.com>
6120
6121         * c-common.c (handle_mode_attribute): When not modifying in place,
6122         create subtypes for enumerations.
6123         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6124         * gimplify.c (create_tmp_from_val): Likewise.
6125
6126 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
6127
6128         * config/i386/i386.md (*tls_global_dynamic_64,
6129         *tls_local_dynamic_base_64): Add missing mode to call.
6130         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6131
6132 2005-09-24  Jan Hubicka  <jh@suse.cz>
6133
6134         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6135         (cgraph_clone_node): Likewise.
6136         * cgraph.h (cgraph_clone_edge): Update prototype.
6137         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6138         duplicated prototypes; add updating argument.
6139         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6140         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6141         updating profile.
6142         (cgraph_mark_inline_edge): Likewise.
6143         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6144         (cgraph_flatten_node): Likewise.
6145         (cgraph_decide_recursive_inlining): Likewise.
6146         (cgraph_decide_inlining_of_small_function): Likewise.
6147         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6148
6149 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6150             Pete Steinmetz <steinmtz@us.ibm.com>
6151
6152         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6153         (rldic.): Set type to "compare".
6154         (rldicr.): Same.
6155         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
6156         mfjmpr for MFCTR/MFLR.
6157         (movdf_hardfloat64): Same.
6158         (movdf_softfloat64): Same.  Correct order of store and move types.
6159         (movti_string): Set type to store_ux/load_ux.
6160         (load_multiple): Set type to load_ux.
6161         (store_multiple): Set type to store_ux.
6162         (movmemsi): Set type to store_ux.
6163         (output_cbranch direct_return): Set type to jmpreg.
6164         (stmw): Set type to store_ux.
6165         (lmw): Set type to load_ux.
6166         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6167         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6168         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6169         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6170         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6171         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6172         (rios1-fpstore): Increase latency to 3.
6173         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6174         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6175
6176 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6177             Andrew Pinski  <pinskia@physics.uc.edu>
6178
6179         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6180         operand2 constraint to "b".
6181         (sync_<fetchop_name>di_internal): Same.
6182         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6183         to "b".
6184         (sync_old_<fetchop_name>di_internal): Same.
6185         (sync_new_<fetchop_name>si_internal): Same.
6186         (sync_new_<fetchop_name>di_internal): Same.
6187
6188 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6189
6190         PR middle-end/23991
6191         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6192         case, define as macros.
6193
6194         PR rtl-optimization/23837
6195         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
6196         clobber / clobber match between dest and p->first.
6197
6198         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6199         (no_conflict_move_test): Update comments.
6200
6201 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6202
6203         * doc/install.texi: Update URL for Jacks.
6204         * doc/sourcebuild.texi: Likewise.
6205
6206 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
6207
6208         PR target/24007
6209         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6210         registers when choosing register preferences.
6211         (movdf_hardfloat64): Same.
6212
6213 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6214
6215         * expmed.c (expand_shift): Don't use the target of the rotate as
6216         target for the first expanded shift insn.
6217         * testsuite/gcc.dg/20050922-1.c: Testcase added.
6218
6219 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6220
6221         PR tree-optimization/22438
6222         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6223         preserved iv rhs rewriting specially.
6224
6225 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6226
6227         * tree-data-ref.c (analyze_array_indexes): Only estimate when
6228         estimate_only  is true.
6229         * tree-flow.h (ref_contains_indirect_ref): New prototype.
6230         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6231         tree-ssa-structalias.c
6232         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6233         ref_contains_indirect_ref.
6234         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6235
6236 2005-09-21  DJ Delorie  <dj@redhat.com>
6237
6238         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6239         MASK_PTR_A0D0.
6240         (mn10300_return_in_memory): Support variable size types also.
6241         (mn10300_pass_by_reference): Likewise.
6242         (mn10300_function_value): New.
6243         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6244         (FUNCTION_OUTGOING_VALUE): Likewise.
6245         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6246         * doc/invoke.texi: Document it.
6247
6248 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6249
6250         PR target/22585
6251         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6252         force integer op1 into register for XFmode compares.
6253
6254 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6255
6256         PR middle-end/23971
6257         * expmed.c (alg_code): Add alg_impossible.
6258         (alg_hash_entry): Add cost.
6259         (synth_mult): Record alg_impossible in the hash table if
6260         multiplication by a given integer is impossble within the
6261         limit.  Speed up using alg_impossible.
6262
6263 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6264
6265         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6266         argument.  Allow and set any offset if needs_anyoffset is passed
6267         in.
6268         (get_constraint_for): Add argument here too.
6269         Pass it down.
6270         (do_structure_copy): Pass NULL to get_constraint_for.
6271         (handle_ptr_arith): Ditto.
6272         (find_func_aliases): Ditto.
6273
6274 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6275
6276         PR rtl-optimization/23898
6277         * output.h (get_attr_min_length): Declare.
6278         * final.c (get_attr_length_1): New function, broken out of:
6279         (get_attr_length).
6280         (get_attr_min_length): New function.
6281         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6282         (duplicate_computed_gotos): Likewise.
6283         * genattr.c (insn_min_length): Generate declaration.
6284         * genattrtab.c (min_fn, min_attr_value): New functions.
6285         (make_length_attrs): Generate insn_min_length.
6286
6287 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6288
6289         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6290
6291 2005-09-20  Richard Henderson  <rth@redhat.com>
6292
6293         PR tree-optimization/24059
6294         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6295         EXPAND_STACK_PARM.
6296
6297 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6298
6299         * c.opt (fextended-identifiers): New.
6300         * c-opts.c (c_common_handle_option): Handle
6301         -fextended-identifiers.
6302         * doc/cpp.texi: Update documentation of extended identifiers.
6303         * doc/cppopts.texi (-fextended-identifiers): Document.
6304
6305 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6306
6307         PR tree-optimization/23929
6308         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6309         if expr is NULL.
6310
6311         PR tree-optimization/23818
6312         * tree-stdarg.c (execute_optimize_stdarg): Call
6313         calculate_dominance_info.
6314
6315 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6316
6317         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6318         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6319         (compute_overlap_steps_for_affine_1_2): Use
6320         get_number_of_iters_for_loop.
6321         (analyze_subscript_affine_affine): Check whether difference is
6322         zero first.
6323         Use get_number_of_iters_for_loop.
6324         Check whether overlap occurs outside of bounds.
6325         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6326
6327 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6328
6329         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6330         base register if possible.
6331
6332 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6333
6334         PR tree-optimization/18463
6335         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6336         converting it directly is not possible.
6337         (chrec_convert_aggressive): New function.
6338         * tree-chrec.h (chrec_convert_aggressive): Declare.
6339         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6340         Fold chrec conversions aggressively if asked to.
6341         (instantiate_parameters): Modified because of changes in
6342         instantiate_parameters_1.
6343
6344 2005-09-19  Richard Henderson  <rth@redhat.com>
6345
6346         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6347         (reduc_splus_v2df): New.
6348
6349 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6350
6351         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6352         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6353
6354 2005-09-19  Richard Henderson  <rth@redhat.com>
6355
6356         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6357         vcondu<SSEMODE12>.
6358
6359 2005-09-19  Richard Henderson  <rth@redhat.com>
6360
6361         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6362         (ia64_expand_dot_prod_v8qi): New.
6363         * config/ia64/ia64-protos.h: Update.
6364         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6365         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6366         sdot_prodv8qi, sdot_prodv4hi): New.
6367         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6368
6369 2005-09-19  Richard Henderson  <rth@redhat.com>
6370
6371         PR 23941
6372         * real.c (exact_real_truncate): Return false if the format cannot
6373         represent the number as a normal.
6374
6375         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6376         for a memory source.
6377
6378 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6379
6380         * tree-ssa-operands.c (swap_tree_operands): Export.
6381         * tree.h (swap_tree_operands): Declare.
6382         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6383         Call swap_tree_operands.
6384
6385 2005-09-19  Richard Henderson  <rth@redhat.com>
6386
6387         * tree-flow.h (merge_alias_info): Declare.
6388         * tree-ssa-copy.c (merge_alias_info): Export.
6389         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6390         (vect_create_data_ref_ptr): Use create_iv directly.
6391         (vectorizable_load): Use correct types for integer constants.
6392         (vect_generate_tmps_on_preheader): Likewise.
6393         (vect_gen_niters_for_prolog_loop): Likewise.
6394
6395 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6396
6397         PR rtl-optimization/23943
6398         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6399
6400 2005-09-18  Jan Hubicka  <jh@suse.cz>
6401
6402         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6403
6404 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6405
6406         * varasm.c (output_constant): Do not abort on conversions to union
6407         types between different sizes.
6408
6409 2005-09-18  Richard Guenther  <rguenther@suse.de>
6410
6411         PR middle-end/23944
6412         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6413         fallback.
6414
6415 2005-09-18  Paul Brook  <paul@codesourcery.com>
6416
6417         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6418
6419 2005-09-17  Richard Henderson  <rth@redhat.com>
6420
6421         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6422         * tree-ssa-loop.c (pass_vect_dce): Remove.
6423         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6424         of pass_vectorize.
6425
6426 2005-09-17  Richard Henderson  <rth@redhat.com>
6427
6428         * tree-pass.h (pass_vect_dce): Declare.
6429         * passes.c (init_optimization_passes): Add it.
6430         * tree-flow.h (tree_ssa_dce): Declare.
6431         * tree-ssa-dce.c (tree_ssa_dce): Export.
6432         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6433         (gate_tree_vectorize): ... here.
6434         (pass_vect_dce): New.
6435
6436 2005-09-17  Jan Hubicka  <jh@suse.cz>
6437
6438         * except.c (struct eh_status): Turn region_array into vec.
6439         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6440         convert_from_eh_region_ranges, find_exception_handler_labels,
6441         current_function_has_exception_handlers, assign_filter_values,
6442         build_post_landing_pads, dw2_build_landing_pads,
6443         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6444         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6445         foreach_reachable_handler, can_throw_internal_1,
6446         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6447         region_array.
6448         (duplicate_eh_region_1): Update region_array.
6449         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6450
6451 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6452
6453         PR middle-end/22067
6454         * expmed.c (expand_mult): Substitute simple register for op0 when
6455         computing max_cost.
6456
6457 2005-09-17  Richard Henderson  <rth@redhat.com>
6458
6459         * expr.c (emit_move_via_integer): Add force argument, pass it on
6460         to emit_move_change_mode.  Update callers.
6461         (emit_move_complex): Pass true to new force argument.
6462         * function.c (expand_function_end): Move expand_eh_return call
6463         earlier.  Merge sub-word complex values into a pseudo before
6464         copying to the return hard register.
6465
6466 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6467
6468         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6469         between different sizes.
6470
6471 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6472
6473         PR 23903
6474
6475         * passes.c (init_optimization_passes): Register dump files for
6476         IPA passes first.
6477
6478 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6479
6480         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6481         * config/s390/s390.c (s390_overlap_p): New function.
6482         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6483         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6484         condition.
6485
6486 2005-09-16  Richard Guenther  <rguenther@suse.de>
6487
6488         * ipa-pure-const.c (static_execute): Free auxiliar information.
6489         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6490         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6491
6492 2005-09-15  DJ Delorie  <dj@redhat.com>
6493
6494         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6495
6496 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6497
6498         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6499         to order operands.
6500         (swap_commutative_operands_with_target): New.
6501
6502 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6503
6504         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6505         parameter.
6506         Update callers.
6507         (estimate_iters_using_array): New function.
6508         * tree-data-ref.h (estimate_iters_using_array): Prototype
6509         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6510         Use estimate_iters_using_array instead of analyze_array.
6511
6512 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6513
6514         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6515         as addressable.
6516
6517 2005-09-15  Michael Matz  <matz@suse.de>
6518
6519         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6520
6521 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6522
6523         PR tree-optimization/23835
6524         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6525         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6526
6527 2005-09-14  Richard Henderson  <rth@redhat.com>
6528
6529         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6530         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6531
6532 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6533
6534         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6535         in the ARRAY_TYPE case.
6536
6537 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6538
6539         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6540
6541 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6542
6543         PR middle-end/22480
6544         * tree-vect-transform.c (vectorizable_operation): Return false for
6545         scalar shift operations and for vector shift operations with
6546         non-invariant shift arguments.  Use scalar tree operand op1 as
6547         a shift operand when vector shift insn pattern uses scalar shift
6548         operand.
6549         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6550
6551 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6552
6553         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6554         value if it has side-effects.
6555
6556 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6557
6558         PR target/22068
6559         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6560
6561 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6562
6563         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6564         passed as NAME as if it were label at start of function code.
6565
6566 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6567
6568         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6569         the constraints.
6570
6571 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6572
6573         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6574         as early clobber.  Rewrite so the PIC register is not implicitly used.
6575
6576 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6577
6578         * tree.c (annotate_with_file_line): Compare line numbers before
6579         file names.
6580
6581 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6582
6583         PR target/23816
6584         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6585         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6586
6587 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6588
6589         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6590         than a HOST_WIDEST_INT to gen_doloop_begin.
6591
6592 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6593
6594         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6595
6596 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6597
6598         PR tree-optimize/23817
6599         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6600
6601 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6602
6603         PR target/23774
6604         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6605         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6606         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6607         (restore_stack_nonlocal): Likewise.
6608         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6609
6610 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6611
6612         PR g++/7874
6613         * c.opt (ffriend-injection): New C++ option.
6614         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6615         (C++ Dialect Options): Document -ffriend-injection.
6616
6617 2005-09-12  Josh Conner  <jconner@apple.com>
6618
6619         PR middle-end/23237
6620         * ipa-reference.c (static_execute): Don't mark variables in
6621         named sections TREE_READONLY.
6622
6623 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6624
6625         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6626         stack_tie.
6627
6628 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6629
6630         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6631         V_MUST_DEF instead of just the first_use_p.
6632         Don't mark the virtual variables for renaming on the statement which
6633         is being removed.
6634         (pass_dse): Remove TODO_update_ssa.
6635
6636 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6637
6638         PR middle-end/23290
6639         * stor-layout.c (compute_record_mode): For records with a single
6640         field, actually check the field's mode size against the type size.
6641
6642         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6643         registers for TARGET_SHMEDIA.
6644         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6645         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6646         of GENERAL_REGS and FP_REGS.
6647
6648 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6649
6650         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6651
6652 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6653
6654         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6655         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6656         are omitted.  Exclude stack_tie insn too.
6657
6658 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6659
6660         PR rtl-optimization/23098
6661         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6662         0.0f is easy.
6663         * config/rs6000/rs6000.md (movdf splitter): Use
6664         const_double_operand predicate for TARGET_POWERPC64.
6665         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6666         SYMBOL_REF method to ABI_V4.
6667
6668         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6669         replace_equiv_address.
6670         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6671         rs6000_sr_alias_set and MEM_NOTRAP.
6672         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6673
6674 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6675
6676         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6677         handle CALL_EXPR again.
6678
6679 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6680
6681         * arm/predicates.md (alignable_memory_operand): Delete.
6682
6683 2005-09-10  Richard Henderson  <rth@redhat.com>
6684
6685         PR debug/23806
6686         * dbxout.c (dbxout_expand_expr): New.
6687         (dbxout_symbol): Use it.
6688
6689 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6690
6691         * arm.c (arm_gen_rotated_half_load): Delete.
6692         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6693         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6694         (thumb_set_return_address): Likewise.
6695         (thumb_load_double_from_address): Use adjust_address.
6696         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6697         (extendhsisi2_mem, movhi_bytes): Use change_address.
6698         (movhi): Use widen_memory_access.
6699         (reload_out_df): Use replace_equiv_address.
6700         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6701
6702 2005-09-09  Richard Henderson  <rth@redhat.com>
6703
6704         PR debug/20998
6705         * dbxout.c: Include expr.h.
6706         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6707         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6708         * Makefile.in (dbxout.o): Add EXPR_H.
6709
6710 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6711
6712         PR tree-optimization/23509
6713         * tree-cfg.c (replace_uses_by): Use replace_exp.
6714         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6715         pointers have name_mem_tag or type_mem_tag set.
6716
6717 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6718
6719         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6720         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6721         of wrongly accessing operands.
6722
6723 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6724
6725         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6726         * tree-chrec.c: Include tree-scalar-evolution.h.
6727         (chrec_convert): Instantiate the base and step before calling
6728         scev_probably_wraps_p that would fail on parametric evolutions.
6729         Collect all the fails into a single section failed_to_convert,
6730         print a diagnostic, and return chrec_dont_know instead of calling
6731         fold_convert.
6732         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6733         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6734         phi nodes.
6735         (scev_const_prop): Don't replace the definition of a loop closed ssa
6736         phi node by itself, or by another loop closed ssa phi node.
6737         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6738         that base and step are defined.
6739
6740 2005-09-09  Richard Guenther  <rguenther@suse.de>
6741
6742         PR c++/23624
6743         * fold-const.c (fold_ternary): Check truth_value_p before
6744         calling invert_truthvalue.
6745
6746 2005-09-09  Nick Clifton  <nickc@redhat.com>
6747
6748         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6749         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6750         dimension of these arrays.
6751         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6752         these arrays.
6753         * longlong.h: Only provide a prototype for the __clz_tab[] array
6754         if this header has not been included from libgcc2.h.
6755         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6756         defining own types.
6757         Provide prototypes for exported functions.
6758         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6759         libgcc2.c.
6760
6761 2005-09-08  Josh Conner  <jconner@apple.com>
6762
6763         PR c++/21135
6764         PR c++/23180
6765         * expr.c (expand_expr_addr_expr_1): Don't invoke
6766         expand_simple_binop for EXPAND_INITIALIZER.
6767
6768 2005-09-08  Richard Henderson  <rth@redhat.com>
6769
6770         PR debug/23190
6771         * toplev.c (wrapup_global_declaration_1): Split out ...
6772         (wrapup_global_declaration_2): ... from ...
6773         (wrapup_global_declarations): ... here.  Return bool.
6774         (check_global_declaration_1): Split out ...
6775         (check_global_declarations): from here.
6776         (emit_debug_global_declarations): New.
6777         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6778         check_global_declaration_1, emit_debug_global_declarations): Declare.
6779         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6780         of decls.  Call wrapup_global_declaration_1,
6781         wrapup_global_declaration_2, check_global_declaration_1 directly.
6782         (c_write_global_declarations_2): New.
6783         (ext_block): New.
6784         (c_write_global_declarations): Call c_write_global_declarations_2.
6785         * langhooks.c (write_global_declarations): Call
6786         emit_debug_global_declarations.
6787
6788         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6789         remove decls that have DECL_RTL_SET_P.
6790         * passes.c (rest_of_decl_compilation): Invoke
6791         cgraph_varpool_finalize_decl for all but functions.
6792
6793 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6794
6795         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6796         the result of a conversion if the new min and max cannot be compared.
6797
6798 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6799
6800         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6801         (override_options): Setting s390_sr_alias_set removed.
6802         (save_fpr, save_gprs): Set alias set to vararg or frame.
6803         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6804         s390_sr_alias_set with get_frame_alias_set ().
6805         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6806         get_varargs_alias_set ().
6807
6808 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6809
6810         PR objc/20574
6811         PR objc/19324
6812         * c-parser.c (c_parser_objc_method_definition): If the next
6813         token is not "{", error out and don't start the function.
6814
6815 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6816
6817         * tree-vrp.c (extract_range_from_expr): Move the check for non
6818         nullness after the check for gimple invariant.
6819
6820 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6821
6822         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6823
6824 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6825
6826         PR target/23747
6827         * config/m32r.md (movmemsi_internal): Canonicalize order of
6828         operands in PLUS component of template.
6829
6830 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6831
6832         * reload1.c (fixup_eh_region_note): Remove assertion.
6833         (fixup_abnormal_edges): Reverted removal of call to
6834         find_many_sub_basic_blocks made on 2005-08-31.
6835
6836 2005-09-07  Richard Henderson  <rth@redhat.com>
6837
6838         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6839         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6840         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6841         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6842         rearrange for better packing.
6843         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6844         (lookup_cfa_1): Remove inline marker.
6845         (cfa_equal_p): Split out of ...
6846         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6847         (build_cfa_loc): Handle !cfa->indirect.
6848         (frame_pointer_cfa_offset): New.
6849         (dbx_reg_number): Assert register elimination performed; do
6850         leaf register remapping.
6851         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6852         (eliminate_reg_to_offset): New.
6853         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6854         for verifiably local stack frame addresses; re-base to CFA.
6855         (mem_loc_descriptor): Remove can_use_fbreg argument.
6856         (concat_loc_descriptor, loc_descriptor): Likewise.
6857         (containing_function_has_frame_base): Remove.
6858         (rtl_for_decl_location): Don't do register elimination or
6859         leaf register remapping here.
6860         (secname_for_decl): Split out from ..
6861         (add_location_or_const_value_attribute): ... here.
6862         (convert_cfa_to_loc_list): New.
6863         (compute_frame_pointer_to_cfa_displacement): New.
6864         (gen_subprogram_die): Use them.
6865         * tree.h (frame_base_decl): Remove.
6866         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6867         (prologue_stack_adjust): Remove.
6868         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6869         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6870         (set_frame_base_location): Remove.
6871         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6872         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6873         (vt_add_function_parameters): Don't eliminate_regs.
6874         (vt_initialize): Don't create frame_base_decl.
6875
6876 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6877
6878         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6879         version of GNU binutils for 4.x and later.
6880
6881 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6882
6883         * ggc-page.c (ggc_push_context): Remove.
6884         (ggc_pop_context): Likewise.
6885         * ggc.h (ggc_push_context): Remove.
6886         (ggc_pop_context): Likewise.
6887
6888 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6889
6890         PR target/8973
6891         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6892         returning from an interrupt handler.
6893
6894 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6895
6896         PR target/8972
6897         * config/arc/arc.c (output_shift): Add check for loop count when
6898         optimizing.
6899
6900 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6901
6902         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6903         form manually.
6904         (abs_replacement): Likewise.
6905         (pass_phiopt): Remove TODO_update_ssa.
6906
6907 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6908
6909         PR c/23075
6910         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6911         if "return with no value, in function returning non-void" warning
6912         has been issued.
6913         * tree-cfg.c (execute_warn_function_return): Don't look at
6914         RETURN_EXPRs with TREE_NO_WARNING set.
6915
6916         PR target/22362
6917         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6918         for internal functions doesn't use registers used by global registers
6919         variables.  Use fewer register parameters if there are global register
6920         variables.
6921
6922 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6923             Eric Botcazou  <ebotcazou@adacore.com>
6924
6925         PR middle-end/14997
6926         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6927         when we would be extracting outside its bit span (bitpos+bitsize
6928         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6929         Ada unchecked conversions.
6930
6931 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6932
6933         * tree-ssa-pre.c (try_look_through_load): New function.
6934         (compute_avail): Use it to try to look through loads for some
6935         more useful expressions.
6936
6937 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6938
6939         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6940         condition for detecting cases like (a&a) and (a^a).
6941
6942 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6943
6944         * common.opt: Add option ftree-vect-loop-version.
6945         * params.def: Add --param vect-max-version-checks.
6946         * doc/invoke.texi: Document ftree-vect-loop-version and
6947         --param vect-max-version-checks.
6948         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6949         may_misalign_stmts and defines for accessors.
6950         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6951         LOOP_VINFO_MAY_MISALIGN_STMTS.
6952         (destroy_loop_vec_info): VEC_free for
6953         LOOP_VINFO_MAY_MISALIGN_STMTS.
6954         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6955         Update documentation.
6956         (vect_update_misalignment_for_peel): New.
6957         (vect_enhance_data_refs_alignment): Update to choose loop
6958         peeling or loop versioning if appropriate for the (potentially)
6959         unaligned data references in the loop.
6960         (vect_analyze_data_refs_alignment): Remove call to
6961         vect_enhance_data_refs_alignment so the checks can be done
6962         earlier.
6963         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6964         and move up call to vect_analyze_data_refs_alignment.
6965         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6966         (vect_transform_loop): Add call to loop_version.
6967
6968 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6969
6970         PR rtl-optimization/23098
6971         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6972         * simplify-rtx.c (constant_pool_reference_p): New function.
6973         * rtl.h (constant_pool_reference_p): New prototype.
6974         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6975         constant_pool_reference_p in condition and
6976         avoid_constant_pool_reference in preparation statements.
6977
6978 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6979
6980         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6981         STRICT_LOW_PART SETs.
6982
6983 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6984
6985         PR middle-end/21460
6986         * except.c (sjlj_emit_function_enter): Find the function begin
6987         note even when it's not in first basic block.
6988
6989 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6990
6991         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6992         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6993         * aclocal.m4: Regenerate.
6994
6995 2005-09-05  DJ Delorie  <dj@redhat.com>
6996
6997         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6998         of macro.
6999
7000 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
7001
7002         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7003         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7004         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7005         Follow spelling conventions.
7006         * doc/invoke.texi: Follow spelling conventions.
7007
7008 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7009
7010         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7011         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7012         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7013
7014 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7015
7016         PR target/23683
7017         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7018         (output_stack_adjust): Use gen_tmp_stack_mem.
7019         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7020         (sh_set_return_address, sh_allocate_initial_value): Likewise.
7021         (sh_get_pr_initial_val): Likewise.
7022         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7023         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
7024         * sh.md (divsi_inv_m0): Use gen_const_mem.
7025         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7026         (movdf_i4+1): Use gen_tmp_stack_mem.
7027         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7028         (fpu_switch+2): Likewise.
7029         (movv4sf_i, movv16sf_i): Use adjust_address.
7030         (symGOT_load): Set MEM_NOTRAP_P bit.
7031
7032 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7033
7034         PR target/23721
7035         * pa.c (emit_move_sequence): Fix typo in last change.
7036
7037 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
7038
7039         PR rtl-optimization/23454
7040         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7041         is true.
7042
7043 2005-09-03  Richard Henderson  <rth@redhat.com>
7044             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7045
7046         PR middle-end/23671
7047         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7048         gen_rtx_MEM.
7049
7050 2005-09-02  Nicolas Pitre <nico@cam.org>
7051
7052         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7053         to bit_count to 32 bits.
7054
7055 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
7056
7057         PR c++/23167
7058         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7059         generating synthetic loads from volatile lvalues.
7060
7061 005-09-02  Nick Clifton  <nickc@redhat.com>
7062
7063         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7064         __ctzhi2, __clzhi2): New functions.
7065
7066 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
7067
7068         PR middle-end/23547
7069         * tree-nested.c (struct var_map_elt): Mark with GTY.
7070         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
7071         var_map_elt.
7072         (lookup_field_for_decl): Allocate new element in GC memory.
7073         (lookup_tramp_for_decl): Likewise.
7074         (convert_nl_goto_reference): Likewise
7075         (create_nesting_tree): Allocate info in GC memory. Likewise for
7076         info->var_map.
7077         (free_nesting_tree): Free with ggc_free instead of free.
7078         (root): New static variable.
7079         (lower_nested_functions): Remove root as local variable.  And zero out
7080         root at the end of the function.
7081
7082 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
7083
7084         PR rtl-optimization/20365
7085         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7086         to short.  New member ix.
7087         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7088         (simplify_plus_minus): Initialize ix members before calling qsort.
7089
7090 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
7091
7092         PR tree-optimization/23626
7093         * tree-cfg.c (replace_uses_by): Clean up eh info.
7094
7095 2005-09-01  DJ Delorie  <dj@redhat.com>
7096
7097         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7098         fprintf.
7099
7100 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
7101
7102         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7103         (rs6000_split_multireg_move): Use replace_equiv_address instead of
7104         gen_rtx_MEM.
7105
7106 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
7107
7108         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
7109         do not issue warning for a variable definition following
7110         a declaration.
7111
7112 2005-09-01  Richard Henderson  <rth@redhat.com>
7113
7114         PR 23668
7115         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7116         conversion to CONST_VECTOR.
7117
7118 2005-09-01  Richard Henderson  <rth@redhat.com>
7119
7120         PR 23676
7121         * reload1.c (reload_as_needed): Check !CALL_P before calling
7122         fixup_eh_region_note.
7123         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7124
7125 2005-09-01  DJ Delorie  <dj@redhat.com>
7126
7127         * varasm.c (output_constant): Let the target resolve
7128         conversions of addresses to non-default pointer sizes.
7129
7130 2005-09-01  Nicolas Pitre <nico@cam.org>
7131
7132         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7133         to alow matching ARM pre-indexed addressing mode.
7134         (arm_override_options): Remove now irrelevant comment.
7135
7136 2005-09-01  Phil Edwards  <phil@codesourcery.com>
7137
7138         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
7139         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
7140         * config/i386/vxworks.h:  Likewise.
7141         * config/i386/t-vxworksae:  New file, for VxWorks AE.
7142         * config/i386/vxworksae.h:  Likewise.
7143
7144 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
7145
7146         PR tree-optimization/23410
7147         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7148         sequence is not wrapping during the first step.
7149
7150 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7151
7152         PR debug/7241
7153         * dwarf2out.c (base_type_die): Compare char_type_node with
7154         TYPE_MAIN_VARIANT (type), not type.
7155
7156 2005-09-01  Richard Guenther  <rguenther@suse.de>
7157
7158         PR tree-optimization/15366
7159         * common.opt: Add -finline-functions-called-once.
7160         Put -fearly-inlining in alphabetically ordered place.
7161         * doc/invoke.texi: Document new option.
7162         * ipa-inline.c (cgraph_decide_inlining): Honour
7163         flag_inline_functions_called_once.
7164
7165 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7166
7167         PR rtl-optimization/23478
7168         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7169         (alloc_qty): Initialize it.
7170         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7171         (combine_regs): Combine also n_throwing_calls_crossed fields.
7172         (find_free_reg): Don't attempt to caller-save pseudos crossing
7173         calls that might throw.
7174         * global.c (struct allocno): Add throwing_calls_crossed field.
7175         (global_alloc): Revert 2005-08-22 change.  Initialize
7176         throwing_calls_crossed.
7177         (find_reg): Don't attempt to caller-save pseudos crossing calls that
7178         might throw.
7179
7180 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
7181
7182         PR target/23649
7183         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7184         (mask64_operand): Reinstate code prior to 2005-06-11 change.
7185         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7186         (and64_2_operand): Tweak to use predicate.
7187         (and_operand): Adjust for mask_operand changes.
7188         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7189         (print_operand): Likewise.
7190         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7191         (mask64_1or2_operand): Delete.
7192         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7193         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7194         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7195         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7196         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7197         (rotldi3_internal4): Likewise.
7198         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7199         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7200         (ashldi3_internal7): Likewise.
7201         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7202         (ashldi3_internal, ashldi3_internal9 split): Likewise.
7203         (anddi3 split): Don't match mask64_operand.
7204         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7205         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7206         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7207         't' splitter predicate.
7208         (movdi_internal64 + 2): Revert 2005-06-11 change.
7209
7210 2005-08-31  DJ Delorie  <dj@redhat.com>
7211
7212         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7213         (m32c_asm_integer): Add support for 32 bit pointers.
7214
7215 2005-08-31  Richard Henderson  <rth@redhat.com>
7216
7217         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7218         component-like references for setting MEM_NOTRAP_P.
7219
7220         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7221         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7222
7223 2005-08-31  Richard Henderson  <rth@redhat.com>
7224
7225         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7226         into a pseudo before applying gen_lowpart.
7227
7228 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
7229
7230         * doc/install.texi (Specific): Update cctools version required
7231         for full functionality.
7232         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7233         linkers as -macosx_version_min.
7234
7235 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7236
7237         PR target/21255
7238         * sh.c (print_operand, %R and %S): Add handling of floating point
7239         registers, memory, constants and invalid operands.
7240
7241 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7242
7243         * ipa-pure-const.c: Change dump name.
7244
7245 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7246
7247         PR target/23570
7248         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7249         to "reg_or_0_operand".
7250         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7251
7252 2005-08-31  Dale Johannesen  <dalej@apple.com>
7253
7254         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7255         loops that count down.
7256
7257 2005-08-31  Richard Henderson  <rth@redhat.com>
7258
7259         PR rtl-opt/23601
7260         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7261         (fixup_eh_region_note): New.
7262         (reload_as_needed): Call it.
7263         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7264         don't call find_many_sub_basic_blocks; call verify_flow_info.
7265         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7266         (keep_stack_depressed): Likewise.
7267         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7268
7269 2005-08-31  Richard Henderson  <rth@redhat.com>
7270
7271         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7272         fp return matching.
7273
7274 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7275
7276         * expr.c (expand_expr_real_1): Compare size of address
7277         mode to target's address mode size in deciding expansion of
7278         the constant address.
7279
7280 2005-08-31  Richard Guenther  <rguenther@suse.de>
7281
7282         PR middle-end/23477
7283         * expr.c (all_zeros_p): New function.
7284         (expand_expr_real_1): Handle the case of an all-zero
7285         non-addressable constructor separately.
7286
7287 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7288
7289         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7290         arguments, adjust all callers.
7291         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7292
7293 2005-08-30  Richard Henderson  <rth@redhat.com>
7294
7295         PR target/23630
7296         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7297         whenever the mode sizes match.
7298
7299 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7300
7301         * calls.c (load_register_parameters): Fix comment typo.
7302         * expr.c (emit_push_insn): Comment formatting.
7303
7304 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7305
7306         * config/i386/x-cygwin (host-cygwin): Change dependency from
7307         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7308
7309 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7310
7311         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7312         parts of 'vals'.
7313
7314 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7315
7316         PR middle-end/23408
7317         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7318         call to ggc_collect.
7319
7320 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7321
7322         PR bootstrap/21268
7323         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7324         beginning.  Remove $(INCLUDES) from all the rules, if following
7325         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7326
7327 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7328
7329         PR middle-end/23484
7330         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7331         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7332         not constant, but maxlen is, don't set len to maxlen, rather
7333         set maxlen to len if len is a constant.
7334
7335 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7336
7337         PR tree-optimization/23475
7338         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7339         and counts.
7340
7341 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7342
7343         Fix PR middle-end/22455
7344
7345         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7346         Checksum only the parts of the tree that exist for the tree code.
7347
7348 2005-08-28  Dale Johannesen  <dalej@apple.com>
7349
7350         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7351
7352 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7353
7354         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7355
7356 2005-08-28  Richard Henderson  <rth@redhat.com>
7357
7358         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7359         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7360         of char_type_node.
7361
7362 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7363
7364         PR ada/23593
7365         * builtins.c (get_memory_rtx): Don't strip nops
7366         in between COMPONENT_REFs.
7367
7368 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7369
7370         PR middle-end/23463
7371         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7372         types.
7373         (gimplify_modify_expr): Check for zero sized types and gimplify the
7374         rhs and lhs as statements.
7375
7376 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7377
7378         PR libgcj/23508
7379         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7380         state for return address column of signal frames.
7381
7382 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7383
7384         PR target/23539
7385         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7386         bytes >= 2 not bytes == 2.
7387         (expand_block_move): Same.
7388
7389 2005-08-27  Richard Guenther  <rguenther@suse.de>
7390
7391         PR target/23575
7392         * config/i386/sse.md (sse2_movsd): Add missing closing
7393         braces.
7394
7395 2005-08-27  Paul Brook  <paul@codesourcery.com>
7396
7397         * genrecog.c (enum decision_type): Add DT_num_insns.
7398         (struct decision_test): Add u.num_insns.
7399         (add_to_sequence): Add DT_num_insns test.
7400         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7401         (write_cond, debug_decision_2): Ditto.
7402         (change_state): Assume peep2_next_insn never fails.
7403         Remove "afterward" argument.
7404         (write afterward, write_tree): Update to match.
7405         * recog.c (peep2_current_count): New variable.
7406         (peep2_next_insn): Check it.
7407         (peephole2_optimize): Set peep2_current_count.
7408         * recog.h (peep2_current_count): Declare.
7409
7410 2005-08-26  Josh Conner  <jconner@apple.com>
7411
7412         PR middle-end/23584
7413         * ipa-pure-const.c (check_tree): Check for volatile-ness
7414         when considering a dereference.
7415
7416 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7417
7418         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7419
7420 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7421
7422         PR rtl-optimization/23561
7423         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7424         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7425         at most LEN bytes long memory fits into the field.
7426         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7427         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7428         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7429
7430 2005-08-26  Richard Henderson  <rth@redhat.com>
7431
7432         PR rtl-opt/23560
7433         * loop.c (biased_biv_may_wrap_p): New.
7434         (maybe_eliminate_biv_1): Use it to suppress non-equality
7435         comparison transformations.  Delete disabled code.
7436
7437 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7438
7439         * combine.c (make_extraction): Avoid reference outside object.
7440
7441 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7442
7443         * stor-layout.c (finalize_type_size): Restore behaviour for
7444         non-aggregate types to the status quo ante of the patch for
7445         pr 23467.  Document why it matters.
7446
7447 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7448
7449         PR c/23506
7450         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7451         array by one element, initialize the BT_LAST element with NULL.
7452
7453 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7454
7455         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7456         optimizing for size.
7457         (plus_eqsi): Same.
7458         (compare_plus_eqsi): Same.
7459         (plus_eqsi_compare): Same.
7460         (neg_eq0<mode>): Same.
7461         (neg_eq<mode>): Same.
7462
7463         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7464         PROCESSOR_POWER4.
7465
7466 2005-08-26  Nick Clifton  <nickc@redhat.com>
7467
7468         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7469         TARGET_EP is not defined.
7470         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7471         TARGET_EP is enabled.
7472         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7473         * config/v850/v850.md (save_all_interrupt): Only use the EP
7474         register if TARGET_EP is defined.
7475         (restore_all_interrupt): Likewise.
7476         * config/v850/lib1funcs.asm: Update functions so that the EP
7477         register is only used if __EP__ is defined.
7478
7479 2005-08-26  David Ung  <davidu@mips.com>
7480
7481         * config/mips/mips.c (mips_expand_prologue): Handle case when
7482         generating for MIPS16 and the outgoing argument area is more than
7483         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7484         add instruction.
7485
7486 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7487
7488         * config/crx/crx.md: Make doloop_end pattern usage controllable
7489         via mloop-nesting=<max-nesting> command line switch. Make sure
7490         the combiner cannot use doloop_end_<mode> in an illegal way.
7491         * config/crx/crx.c: Use regs up to r6 for argument passing.
7492         Refine crx_address_cost (non cst4 displacements are expensive).
7493         * config/crx/crx.opt: Add switch for mloop-nesting=.
7494
7495 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7496
7497         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7498         (UNSPEC_MVST): New constant.
7499
7500 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7501
7502         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7503         Reject operands containing eliminable registers.
7504         * testsuite/gcc.dg/20050825-1.c: New testcase.
7505
7506 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7507             Jan Hubicka  <jh@suse.cz>
7508
7509         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7510
7511 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7512
7513         PR tree-optimization/23546
7514         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7515         and REAL_CST nodes.
7516
7517 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7518
7519         * params.def (PARAM_MIN_SPEC_PROB): New.
7520         * sched-rgn.c (MIN_PROBABILITY): Delete.
7521         (compute_trg_info): Convert to PARAM_VALUE.
7522         * doc/invoke.texi (param): Document min-spec-prob.
7523
7524 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7525
7526         * config/darwin.h: define __PIC__
7527         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7528         TARGET_OS_CPP_BUILTINS macro.
7529
7530 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7531
7532         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7533         yesterday.
7534
7535 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7536
7537         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7538         to duplicate_block.
7539         * cfghooks.c (duplicate_block): Added position where to place
7540         new block as argument.
7541         * cfghooks.h (duplicate_block): Declaration changed.
7542         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7543         duplicate_block.
7544         * cfglayout.h (copy_bbs): Declaration changed.
7545         * cfgloop.h (loop_version): Declaration changed.
7546         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7547         position to copy_bbs.
7548         (loop_version): Pass position to duplicate_loop_to_header_edge.
7549         Add place_after argument and position new blocks according to
7550         it.
7551         * modulo-sched.c (sms_schedule): Pass place_after argument
7552         to loop_version.
7553         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7554         * tree-cfg.c (split_edge_bb_loc): New function.
7555         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7556         to determine position of new blocks.
7557         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7558         to loop_version.
7559         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7560         argument to duplicate_block.
7561         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7562         Pass position to copy_bbs.
7563
7564 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7565
7566         * fold-const.c (ptr_difference_const): Use
7567         cst_and_fits_in_hwi instead of host_integerp.
7568
7569 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7570
7571         * config/darwin.c (gen_pic_offset): New.
7572         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7573         Use it.
7574
7575 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7576
7577         PR tree-optimization/23486
7578         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7579
7580 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7581
7582         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7583         remove use_collect2.
7584         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7585
7586         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7587         configuration files to override the default value.
7588
7589         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7590         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7591         * config/vx-common.h:  New file, split out from...
7592         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7593         * config/vxworksae.h:  New file, for VxWorks AE.
7594         * config/vxworks.opt:  New file.
7595         * config/vxlib.c:  Update for VxWorks 6.
7596
7597         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7598         other MULTILIB_* variables appropriately.
7599         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7600         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7601         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7602         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7603
7604 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7605
7606         PR target/20799
7607         * config/darwin.c (machopic_select_section): Remove the hack to
7608         mark "::operator new" and "::operator delete" for coalescing
7609         even though they are not weak.
7610
7611 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7612
7613         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7614         * configure: Regenerate.
7615
7616 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7617
7618         PR middle-end/23517
7619         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7620         between vectors.
7621         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7622         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7623         Likewise.
7624
7625 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7626
7627         * config/rs6000/predicates.md (equality_operator): New.
7628         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7629         comparison with a large constant.
7630
7631 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7632
7633         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7634
7635 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7636
7637         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7638         registers is even, and we have a hardware double precision fp,
7639         align the buffer.
7640         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7641         size of current argument when checking if argument was passed in
7642         registers.
7643
7644         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7645
7646         PR middle-end/23467
7647         * stor-layout.c (finalize_type_size): Dont override
7648         existing alignment with a smaller alignment from the mode.
7649
7650 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7651
7652         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7653         * lambda.h (lambda_vector_lexico_pos): ... here.
7654         * tree-data-ref.c (build_classic_dist_vector): Return false when
7655         the distance vector is lexicographically negative.
7656
7657 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7658
7659         PR tree-optimization/23511
7660         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7661         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7662
7663 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7664
7665         PR tree-optimization/22043
7666         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7667         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7668         If ALLOW_FLEXARR, handle types ending with flexible array member.
7669         Pass false as second argument to recursive count_type_elements calls.
7670         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7671         argument to count_type_elements call.
7672         * tree-sra.c (decide_block_copy): Likewise.
7673         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7674         for a constant-sized object, set cleared as well.  Pass true as
7675         second argument to count_type_elements call.
7676
7677 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7678
7679         PR target/21571
7680         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7681         from legitimate_small_data_p, and make global.  Update use.
7682         Remove forward declaration.
7683         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7684         Declare.
7685         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7686
7687 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7688
7689         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7690         of scratch intermediates.
7691         (eq<mode>_compare): Same.
7692         (neg_eq0<mode>): New.
7693         (neg_eq<mode>): Convert to define_insn_and_split.
7694
7695 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7696
7697         PR target/23070
7698         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7699         stdarg functions, set/clear the fp marker even when no variable
7700         args are passed.
7701         * config/rs6000/sysv4.opt (mprototype): Describe.
7702
7703 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7704
7705         PR rtl-optimization/23478
7706         * regs.h (reg_info): Add throw_calls_crossed.
7707         (REG_N_THROWING_CALLS_CROSSED): Define.
7708         * flow.c (allocate_reg_life_data): Initialize
7709         REG_N_THROWING_CALLS_CROSSED.
7710         (propagate_one_insn, attempt_auto_inc): Update
7711         REG_N_THROWING_CALLS_CROSSED.
7712         * global.c (global_alloc): Don't allocate pseudos across
7713         calls that may throw.
7714
7715 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7716
7717         PR c/18715
7718         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7719         value is inbetween the range if we did not find an exact match.
7720
7721 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7722
7723         * doc/invoke.texi (Option Summary): Add ms1 options.
7724         * doc/extend.texi: Document interrupt handler attribute for ms1.
7725         * doc/md.texi: Document ms1 constraints.
7726         * config.gcc: Add ms1-*-elf.
7727         * config/ms1/ms1.h: New.
7728         * config/ms1/ms1.c: New.
7729         * config/ms1/ms1.md: New.
7730         * config/ms1/ms1-protos.h: New.
7731         * config/ms1/ABI.txt: New.
7732         * config/ms1/crti.asm: New.
7733         * config/ms1/crtn.asm: New.
7734         * config/ms1/lib2extra-funcs.c: New.
7735         * config/ms1/t-ms1: New.
7736         * config/ms1/ms1.opt: New.
7737
7738 2005-08-22 Ira Rosen <irar@il.ibm.com>
7739
7740         * config/rs6000/altivec.md (xorv4sf3): New.
7741         (negv4sf2, neg<mode>2): Likewise.
7742
7743 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7744
7745         PR target/23485
7746         * config/ia64/ia64.md (divsi3): Check divide by zero.
7747         (udivsi3): Likewise.
7748         (divdi3): Likewise.
7749         (udivdi3): Likewise.
7750
7751 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7752
7753         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7754         up to elem_bitsize bits, not max_bitsize.
7755
7756 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7757
7758         PR tree-optimization/23433
7759         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7760         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7761
7762 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7763
7764         PR tree-optimization/23434
7765         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7766         the iteration bound is not an INTEGER_CST.
7767
7768 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7769
7770         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7771         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7772         NULL if need_epilog_adjust is false.
7773         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7774         Case 3 always peels first itration, not just for PLUS case, and no need
7775         to use scalar_initial_def here. Create an epilog adjustment only if
7776         scalar_initial_def is not NULL.
7777
7778         (vectorizable_reduction): Remove assert.
7779
7780 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7781
7782         PR target/23485
7783         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7784         (__moddi3): Likewise.
7785         (__udivdi3): Likewise.
7786         (__umoddi3): Likewise.
7787         (__divsi3): Likewise.
7788         (__modsi3): Likewise.
7789         (__udivsi3): Likewise.
7790         (__umodsi3): Likewise.
7791
7792 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7793
7794         * tree-pass.h (TDF_GRAPH): Define.
7795         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7796         * passes.c (finish_optimization_passes): Only call
7797         finish_graph_dump_file if TDF_GRAPH is set.
7798         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7799         NULL.  Set TDF_GRAPH bit.
7800         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7801
7802 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7803
7804         * arm.h (arm_stack_offsets): Add locals_base field.
7805         * arm.c (arm_get_frame_offsets): Compute it.
7806         (thumb_compute_initial_elimination offset): Make the Thumb frame
7807         pointer point to the base of the local variables.
7808         (thumb_expand_prologue): Update accordingly.
7809         (thumb_expand_epilogue): Likewise.
7810
7811         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7812         mode of clobbered scratch to DImode.  Handle a case that's known to
7813         need this.
7814
7815 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7816
7817         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7818         (gt0<mode>_compare): Delete.
7819         (neg_gt0<mode>): Delete.
7820
7821 2005-08-19  Eric Christopher  <echristo@apple.com>
7822
7823         * optabs.h: Change CTI_ to COI_.
7824         * optabs.c: Ditto.
7825
7826 2005-08-19  James E Wilson  <wilson@specifix.com>
7827
7828         * builtins.c (expand_builtin_return_addr): Set
7829         current_function_accesses_prior_frames when count != 0.  Use
7830         frame_pointer_rtx when count == 0.
7831         * function.h (struct function): Add accesses_prior_frames field.
7832         (current_function_accesses_prior_frames): Define.
7833         * reload1.c (init_elim_table): Check
7834         current_function_accesses_prior_frames.
7835         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7836
7837 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7838
7839         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7840         indicator.  Return true if the flowgraph changed during
7841         cleanup.
7842
7843 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7844
7845         PR 23476
7846         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7847         conditional expression before testing its value.
7848
7849 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7850
7851         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7852
7853 2005-08-19  Devang Patel  <dpatel@apple.com>
7854
7855         PR tree-optimization/23048
7856         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7857         third parameter. Check whether latch is dominated by exit
7858         block or not.
7859         (if_convertible_loop_p): Supply exit block itself to
7860         if_convertible_bb_p.
7861
7862 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7863
7864         PR target/23473
7865         * arm.md (arm_load_pic_register): Change argument to the mask of
7866         saved registers.  Call thumb_find_work_register if we need a
7867         scratch register on Thumb.
7868         (arm_expand_prologue): Pass empty register set to
7869         arm_load_pic_register.
7870         (thumb_expand_prologue): Pass live_regs_mask directly to
7871         arm_load_pic_register.
7872         * arm-protos.h (arm_load_pic_register): Update prototype.
7873
7874 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7875
7876         * sh.c (find_sole_member): New function.
7877         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7878         if the record's alignment is larger than the size of its only member.
7879
7880 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7881
7882         PR target/23436
7883         * arm.c (thumb_legitimize_reload_address): New function.
7884         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7885         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7886
7887 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7888
7889         * config/crx/crx.c: Implement crx_decompose_address. Reject
7890         symbolic displacements since CRX register relative adressing
7891         mode can't handle unsigned 32-bit values as displacements.
7892         * config/crx/crx.h: Simplify definitions, remove redundant
7893         parenthesis and obsolete macros.
7894         * config/crx/crx.opt: Add new switch for debugging addresses.
7895         * config/crx/crx-protos.h: Add new declarations for above.
7896
7897 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7898
7899         PR middle-end/20624
7900         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7901         looking past it.
7902
7903 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7904
7905         * collect2.c (dup2): Delete.
7906         * configure.ac: Don't check for dup2.
7907
7908         * config.in, configure: Regenerate.
7909
7910 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7911
7912         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7913         record with the type of its only member.
7914
7915 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7916
7917         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7918         define_insn_and_split.
7919         (plus_ltu<mode>_compare): Same.
7920         (gtu<mode>_compare): Same.
7921         (plus_gtu<mode>_compare): Same.
7922
7923 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7924
7925         PR tree-optimization/22228
7926         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7927         todo_flags_start.
7928         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7929         are recorded in vect_vnames_to_rename for renaming.
7930         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7931         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7932         in vect_vnames_to_rename.
7933         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7934         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7935
7936 2005-08-18  Jan Hubicka  <jh@suse.cz>
7937
7938         PR c++/22034
7939         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7940         info only for local statics, not for member variables.
7941
7942 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7943
7944         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7945
7946 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7947
7948         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7949
7950 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7951
7952         PR middle-end/16045
7953         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7954
7955 2005-08-17  James E Wilson  <wilson@specifix.com>
7956
7957         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7958         array size check.
7959
7960 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7961
7962         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7963         (leu<mode>_compare): Same.
7964         (plus_leu<mode>): Same.
7965         (neg_leu<mode>): Same.
7966         (and_neg_leu<mode): Same.
7967         (ltu<mode>_compare): Same.
7968         (plus_ltu<mode>): Same.
7969         (geu<mode>): Same.
7970         (geu<mode>_compare): Same.
7971         (plus_geu<mode>): Same.
7972         (neg_geu<mode>): Same.
7973         (and_neg_geu<mode>): Same.
7974         (plus_gt<mode>): Same.
7975         (gtu<mode>_compare): Same.
7976         (plus_gtu<mode>): Same.
7977
7978 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7979
7980         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7981         Move call_table_data to end.  Delete spurious .text.
7982         (callt_save_all_interrupt): Fix comment typo.
7983
7984 2005-08-17  James E Wilson  <wilson@specifix.com>
7985             Kevin Winchester  <winchester@amirix.com>
7986
7987         PR target/21684
7988         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7989
7990 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7991
7992         PR target/23268
7993         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7994         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7995
7996 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7997
7998         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7999         record with the type of its only member if the modes don't match.
8000
8001         * varasm.c (decode_reg_name): Skip empty additional register names.
8002
8003 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
8004
8005         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8006         lsm_tmp_name_length): New.
8007         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8008         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8009
8010 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8011             Andreas Krebbel  <krebbel1@de.ibm.com>
8012
8013         * config.gcc: Added z9-109 switch.
8014         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8015         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8016         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8017         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8018         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8019         for "z9_109" cpu attribute.
8020         * config/s390/s390.c (z9_109_cost): New processor cost structure.
8021         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8022         (s390_handle_arch_option): Added z9-109 switch.
8023         (override_options): Set respective cost function for z9-109.
8024         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8025         (legitimate_reload_constant_p): Accept extended immediates.
8026         (print_operand): Three new output modifiers added: k, m and o.
8027         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8028         (s390_output_mi_thunk): Use extended immediate when possible.
8029         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8030         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8031         (CONSTRAINT_LEN): Added length of O constraint.
8032         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8033         * config/s390/s390.md ("cpu"): New value z9_109 added.
8034         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8035         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8036         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8037         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8038         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8039         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8040         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8041         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8042         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8043         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8044         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8045         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8046         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8047         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8048         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8049         immediates.
8050         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8051         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8052         insns for TARGET_EXTIMM.
8053
8054 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8055
8056         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8057
8058 2005-08-17  Nick Clifton  <nickc@redhat.com>
8059
8060         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8061         Call default_encode_section_info.
8062
8063 2005-08-17  Steven Bosscher  <stevenb@suse.de>
8064
8065         PR tree-optimization/21574
8066         * tree-ssa-ccp.c (likely_value): If the right hand side is a
8067         constant, return CONSTANT.
8068         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8069         (ccp_fold, visit_assignment): Likewise.
8070         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8071
8072 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8073
8074         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8075         fold_buildN instead of buildN then fold_initializer or fold.
8076         (build_unary_op): Likewise.
8077         (build_binary_op): Likewise.
8078         * fold-const.c (fold_initializer): Remove.
8079         (fold_build1_initializer): New function.
8080         (fold_build2_initializer): New function.
8081         (fold_build3_initializer): New function.
8082         * tree.h (fold_initializer): Remove.
8083         (fold_build1_initializer): New function.
8084         (fold_build2_initializer): New function.
8085         (fold_build3_initializer): New function.
8086
8087 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8088
8089         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8090         (try_move_mult_to_index): Call fold_build2 instead of build2.
8091         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8092         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8093         fold_binary_to_constant.
8094         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8095         fold (build.
8096         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8097         check if A == gcd (A, B).  Remove TYPE argument.
8098         (analyze_offset) Use fold_build2 instead of fold (build.
8099         (create_data_ref): Likewise.
8100         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8101         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8102         then fold.
8103
8104 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
8105
8106         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8107         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8108
8109 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
8110
8111         PR tree-opt/23402
8112         * gimplify.c (zero_sized_type): New function.
8113         (gimplify_modify_expr_rhs): If we have a zero sized type,
8114         replace the statement with an empty statement.
8115
8116 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
8117
8118         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8119         fxsave.
8120
8121 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8122
8123         * doc/tm.texi (Label Output): Correct typo.
8124
8125 2005-08-16  Steven Bosscher  <stevenb@suse.de>
8126
8127         PR target/23376
8128         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8129         force_operand will work later on using have_insn_for.
8130
8131 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8132
8133         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8134
8135 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8136
8137         PR c++/23337
8138         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8139         vector type, don't try to construct it element by element.  Add an
8140         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8141
8142 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8143
8144         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8145
8146 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
8147
8148         * doc/invoke.texi (Precompiled Headers): Document some more options
8149         which are known to be safe.
8150
8151 2005-08-16  James E Wilson  <wilson@specifix.com>
8152
8153         PR tree-optimization/21105
8154         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8155         TREE_OVERFLOW check.
8156
8157 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
8158
8159         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8160         (neg_ltu<mode>): Same.
8161         (gtu<mode>): Same.
8162         (neg_gtu<mode>): Same.
8163
8164 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8165
8166         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8167         (fold_builtin_isdigit): Use fold_buildN.
8168         (build_function_call_expr): Likewise.
8169         * c-typeck.c (c_finish_loop): Likewise.
8170
8171 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
8172             Richard Shann <rshann@superh.com>
8173
8174         PR middle-end/20396:
8175         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8176
8177 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
8178
8179         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8180
8181 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8182
8183         PR target/23355
8184         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8185         arm_compure_save_reg0_reg12_mask to determine when the PIC register
8186         must be saved.
8187
8188 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8189
8190         PR middle-end/23369
8191         * fold-const.c (build_range_check): Disable optimization for function
8192         pointer expressions on targets that require function pointer
8193         canonicalization.
8194
8195 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8196
8197         * simplify-rtx.c (simplify_const_relational_operation): When
8198         extracting arguments of a COMPARE, recompute the mode as well.
8199
8200 2005-08-15  Ian Lance Taylor  <ian@airs.com>
8201
8202         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8203
8204 2005-08-15  DJ Delorie  <dj@redhat.com>
8205
8206         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8207         the stack.
8208         (movsi_splittable): Allow, but split, moves to the stack.
8209         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8210         stack.
8211
8212 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8213
8214         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8215         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8216         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8217
8218         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8219         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8220         Delete HOST_PTR_PRINTF.
8221
8222         * configure, config.in: Regenerate.
8223
8224 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
8225
8226         * config/rs6000/rs6000.md (QHSI): New mode macro.
8227         (wd): Extend mode attr for QImode and HImode
8228         (dbits): New mode attr.
8229         (zero_extend<mode>di2): Convert to mode macro.
8230
8231 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
8232
8233         PR target/21841
8234         * doc/invoke.texi (-mgnu-ld): Update description.
8235         (-mhp-ld): Ditto.
8236
8237 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8238
8239         PR 23391
8240         * Makefile.in (tree-chrec.o): Depends on real.h.
8241         * tree-chrec.c: Include real.h.
8242         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8243         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8244         * tree-scalar-evolution.c (add_to_evolution_1,
8245         interpret_rhs_modify_expr): Ditto.
8246
8247 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8248
8249         PR 23386
8250         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8251         step is negative compute the estimation from init downwards to zero.
8252
8253 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8254
8255         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8256
8257 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8258
8259         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8260         constraint.
8261         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8262         Accept double-word constants that can be split.
8263         * config/s390/s390.md ("movti"): Use 'P' constraint.
8264         ("*movdi_31", "*movdf_31"): Likewise.
8265
8266 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8267
8268         Fix PR tree-optimization/22615
8269
8270         * tree-ssa-structalias.c (solution_set_add): Handle
8271         first_vi_for_offset returning NULL.
8272         (do_da_constraint): Ditto.
8273         (do_sd_constraint): Ditto.
8274         (do_ds_constraint): Ditto
8275         (find_func_aliases): Ditto.
8276         (build_constraint_graph): RHS is allowed be ANYTHING.
8277         (first_vi_for_offset): Return NULL if we couldn't find anything at
8278         the offset.
8279
8280 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8281
8282         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8283         over memory as first operand.
8284
8285 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8286
8287         PR target/23360
8288         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8289         available for setting it.
8290
8291 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8292
8293         PR tree-optimization/23320
8294         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8295         data-refs' types instead of base object nullness. Add check for
8296         pointer type data-refs before first location comparison. Remove
8297         assert.
8298
8299 2005-08-14  Andreas Schwab  <schwab@suse.de>
8300
8301         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8302
8303 2005-08-13  James E Wilson  <wilson@specifix.com>
8304
8305         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8306         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8307         -fstack-protector-all, --param ssp-buffer-size): Document.
8308         (-Wvariadic-macros): Alphabetize.
8309         (-fsched-stalled-insns-dep): Add missing 'f'.
8310
8311         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8312         macros.
8313
8314 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8315
8316         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8317         or indirect address operand.
8318         (EXTRA_ADDRESS_CONSTRAINT): New.
8319         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8320
8321 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8322
8323         PR tree-optimization/22236
8324         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8325         successors and predecessors.
8326         * tree-chrec.c (chrec_convert): Before converting, check that
8327         sequences don't wrap.
8328         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8329         (analyze_array): Extern.
8330         (find_data_references_in_loop): Remove call to
8331         compute_estimated_nb_iterations.
8332         * tree-data-ref.h (analyze_array): Declared.
8333         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8334         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8335         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8336         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8337         condition.
8338         * tree-ssa-loop-ivcanon.c: Fix documentation.
8339         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8340         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8341         (infer_loop_bounds_from_undefined): New.
8342         (estimate_numbers_of_iterations_loop): Use
8343         infer_loop_bounds_from_undefined.
8344         (used_in_pointer_arithmetic_p): New.
8345         (scev_probably_wraps_p): Pass an extra parameter.  Call
8346         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8347         (convert_step): Fix documentation.
8348         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8349         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8350         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8351         scev_probably_wraps_p.
8352
8353 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8354
8355         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8356         (s390_register_info): Ignore clobbered_regs information for fixed
8357         registers, and only fixed registers.
8358         (s390_init_frame_layout): Remove redundant call.
8359
8360 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8361
8362         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8363         description of -Wold-style-casts.
8364
8365 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8366             Jakub Jelinek  <jakub@redhat.com>
8367
8368         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8369         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8370         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8371         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8372         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8373         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8374         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8375         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8376         ("stack_protect_set", "stack_protect_test"): New expanders.
8377         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8378         "stack_protect_testdi"): New insn definitions.
8379
8380 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8381
8382         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8383
8384 2005-08-12  Paul Brook  <paul@codesourcery.com>
8385
8386         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8387
8388 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8389
8390         * config/s390/predicates.md (setmem_operand): New predicate.
8391         (shift_count_operand): Accept ANDs with special constants as
8392         operand.
8393         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8394         with special constants.
8395         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8396         shift_count_operand with setmem_operand.
8397
8398 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8399
8400         * config/s390/s390.c (s390_extract_part, s390_single_part):
8401         Type cast added.
8402         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8403         (s390_output_mi_thunk): Don't use lg on 31 bit.
8404         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8405         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8406
8407 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8408
8409         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8410         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8411         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8412         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8413         with one of the new macros.
8414
8415 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8416
8417         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8418         Don't set save_return_addr_p.
8419         (s390_register_info): Make clobbered_regs not depending on
8420         save_return_addr_p.
8421
8422 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8423
8424         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8425         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8426
8427 2005-08-11  James E. Wilson  <wilson@specifix.com>
8428
8429         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8430
8431 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8432
8433         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8434         locations gathered by var-tracking in single entry loc_list
8435         over loc_descriptor_from_tree.
8436
8437         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8438         pass it down to loc_descriptor.
8439         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8440         (containing_function_has_frame_base): Move earlier in the file.
8441         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8442         instead of always assuming fbreg can't be used.
8443
8444 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8445
8446         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8447         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8448         Accept address wrapped in AND for Altivec.
8449         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8450         Strip AND wrapping offset address for Altivec.
8451
8452 2005-08-11  Richard Henderson  <rth@redhat.com>
8453
8454         PR middle-end/23312
8455         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8456         before using TYPE_IS_SIZETYPE.
8457
8458 2005-08-11  Richard Henderson  <rth@redhat.com>
8459
8460         PR target/22225
8461         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8462         insn types not present on ev4.
8463         (alphaev5_insn_pipe): Similarly.
8464
8465 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8466
8467         PR target/23250
8468         * arm.c (arm_override_options): If the user has selected callee-super-
8469         interworking, then enable normal interworking.
8470
8471 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8472
8473         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8474         redefinition.
8475
8476 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8477
8478         * doc/rtl.texi: Fix two typos.
8479
8480 2005-08-11  Richard Guenther  <rguenther@suse.de>
8481
8482         PR target/23289
8483         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8484         cases where we call to/from functions returning void.
8485
8486 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8487
8488         PR c++/23225
8489         * tree.c (build_pointer_type_for_mode): Robustify.
8490
8491 2005-08-10  James E Wilson  <wilson@specifix.com>
8492
8493         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8494         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8495
8496         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8497         "cum->".
8498
8499 2005-08-10  Eric Christopher  <echristo@apple.com>
8500
8501         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8502         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8503         V2DFmode.
8504
8505 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8506
8507         PR target/21887
8508         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8509         for the high part when generating dynamic-no-pic code.
8510
8511 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8512
8513         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8514         (x86_64-*-linux*): Likewise.
8515
8516         * config/i386/crtfastmath.c: New file.
8517         * config/i386/t-crtfm: Likewise.
8518
8519         * config/i386/linux.h (ENDFILE_SPEC): New.
8520         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8521
8522         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8523         crtfastmath.o.
8524
8525 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8526
8527         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8528         (vec_shl, vec_shr): Document new operations.
8529         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8530
8531 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8532
8533         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8534         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8535         change predicate to indexed_or_indirect_address.
8536
8537 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8538
8539         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8540         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8541         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8542         and __aeabi_uwrite8.
8543         * config/arm/unaligned-funcs.c: New file.
8544         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8545
8546 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8547
8548         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8549         Add dump.
8550         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8551         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8552         Add dump.
8553         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8554         * final.c (pass_shorten_branches): Add dump.
8555         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8556         (pass_life): Rename dump.
8557         (rest_of_handle_flow2): Remove initial verify_flow_info.
8558         * function.c (pass_instantiate_virtual_regs): Add dump.
8559         * integrate.c (pass_initial_value_sets): Add dump.
8560         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8561         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8562         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8563         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8564         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8565         gate_rtl_unrool_and_peel_loops): New.
8566         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8567         rtl_doloop): Do not look at flags.
8568         * mode-switching.c (pass_mode_switching): Add dump.
8569         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8570         pass_split_before_regstack): Add dump.
8571         * regmove.c (pass_stack_adjustments): Add dump.
8572         * tree-optimize.c (pass_fixup_cfg): Add dump.
8573
8574 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8575
8576         PR 23309
8577         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8578         deciding which instruction sequence to use.
8579
8580 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8581
8582         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8583         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8584
8585 2005-08-09  Richard Guenther  <rguenther@suse.de>
8586
8587         * c-common.c (builtin_function_2): Remove.
8588         (def_builtin_1): New function.
8589         (c_common_nodes_and_builtins): Use def_builtin_1 to
8590         build builtin functions.
8591
8592 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8593
8594         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8595         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8596         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8597         Visual DSP.
8598
8599 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8600
8601         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8602         fold_binary instead of fold_build2 since we don't care about the
8603         resulting tree.
8604         (loop_niter_by_eval): Likewise.
8605         (compare_trees): Likewise.
8606         (proved_non_wrapping_p): Likewise.
8607
8608 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8609
8610         PR c/23161
8611         PR c/23165
8612         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8613         if the if is really empty.
8614
8615 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8616
8617         PR tree-optimization/23234
8618         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8619         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8620         argument of the new enum.
8621         (execute_cse_reciprocals): Add reciprocals for function arguments
8622         on the unique successor edge of the entry block.  Update other calls
8623         to execute_cse_reciprocals_1.
8624
8625 2005-08-08  Richard Henderson  <rth@redhat.com>
8626
8627         PR 22439
8628         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8629
8630 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8631
8632         * expr.c (write_complex_part): Return after handling MEM.
8633
8634 2005-08-08  Josh Conner  <jconner@apple.com>
8635
8636         PR rtl-optimization/23241
8637         * combine.c (simplify_comparison): Fix error in determining
8638         whether to lift a subreg from comparison.
8639
8640 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8641
8642         PR target/18506
8643         * config/rs6000/altivec.md (vec_init<mode>): New.
8644         (vec_set<mode>): New.
8645         (vec_extract<mode>): New.
8646         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8647         (rs6000_expand_vector_set): New.
8648         (rs6000_expand_vector_extract): New.
8649         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8650         for Altivec modes before reload.
8651         (altivec_expand_vec_init_builtin): New.
8652         (get_element_number): New.
8653         (altivec_expand_vec_set_builtin): New.
8654         (altivec_expand_vec_ext_builtin): New.
8655         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8656         builtins.
8657         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8658         builtins.
8659         * config/rs6000/rs6000.h (rs6000_builtins): Add
8660         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8661         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8662         * config/rs6000/rs6000-protos.h: Declare new functions.
8663
8664 2005-08-08  Jan Hubicka  <jh@suse.cz>
8665
8666         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8667         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8668         * i386.md (movdi*): Use pic_32bit_operand.
8669         * predicates.md (pic_32bit_operand): New.
8670
8671 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8672
8673         PR c++/21166
8674         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8675
8676 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8677
8678         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8679         (test_for_singularity): Use fold_build2.
8680
8681 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8682
8683         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8684
8685 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8686
8687         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8688         (COMMON_ASM_OP) Define.
8689         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8690         (ix86_encode_section_info): Likewise.
8691         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8692         SUBTARGET_ENCODE_SECTION_INFO.
8693
8694 2005-08-06  Richard Henderson  <rth@redhat.com>
8695
8696         PR 21894
8697         * tree-nested.c (convert_local_reference): Save and restore val_only
8698         around component_ref and friends.  Clear walk_subtrees by default.
8699
8700 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8701
8702         PR 21366
8703         * gcc.c (process_command): Check the argument to -b has a dash.
8704         * doc/invoke.texi: Update -b and -V docs.
8705
8706 2005-08-06  James E Wilson  <wilson@specifix.com>
8707
8708         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8709
8710 2005-08-06  Michael Matz  <matz@suse.de>
8711
8712         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8713         member only if only one insn is associated with the value.
8714
8715 2005-08-06  Nick Clifton  <nickc@redhat.com>
8716
8717         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8718         New define.
8719         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8720         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8721         Check symbol flags instead of symbol name mangling.
8722         (xstormy16_asm_output_aligned_common): Likewise.  Also
8723         simplify code since the bss100_section cass is the only case
8724         where the below100 code will be triggered.
8725         (xstormy16_encode_section_info): Encode below100 attribute
8726         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8727         the name.
8728         (xstormy16_strip_name_encoding): Delete - this function is no
8729         longer needed.
8730         (TARGET_STRIP_NAME_ENCODING): Undefine.
8731         * config/stormy16/stormy16-protos.h: Delete prototype for
8732         xstormy16_strip_name_encoding.
8733
8734 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8735
8736         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8737         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8738         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8739         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8740         config/alpha/predicates.md, config/arc/arc.h,
8741         config/arm/arm.h, config/arm/ieee754-df.S,
8742         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8743         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8744         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8745         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8746         config/m68hc11/m68hc11.h, config/mips/mips.c,
8747         config/mips/mips.h, config/mips/openbsd.h,
8748         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8749         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8750         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8751         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8752         config/sparc/linux.h, config/sparc/linux64.h,
8753         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8754         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8755         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8756         typos.  Follow spelling conventions.
8757
8758 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8759
8760         PR c/23113
8761         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8762         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8763         specially.  Check for side effects only for COND_EXPR.
8764         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8765         return with TREE_NO_WARNING.
8766
8767 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8768
8769         PR rtl-optimization/23233
8770         * loop.c (combine_movables): Require the modes to be the same.
8771         (move_movables): Remove handling of cases where the replacement
8772         had a different mode to the original.
8773
8774 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8775
8776         PR tree-optimization/23128
8777         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8778         subtraction wrap, and set TREE_OVERFLOW if they do.
8779
8780 2005-08-05  Richard Henderson  <rth@redhat.com>
8781
8782         PR 21728
8783         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8784         FORCED_LABEL labels.
8785
8786 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8787
8788         PR middle-end/23135
8789         * reload.c (find_reloads_subreg_address): Pass down TYPE
8790         unchanged.  Change all callers except find_reloads_toplev.
8791
8792 2005-08-05  Michael Matz  <matz@suse.de>
8793
8794         * genattrtab.c (current_alternative_string): Remove.
8795         (SIMPLIFY_ALTERNATIVE): Ditto.
8796         (attr_alt_bit_p): Ditto.
8797         (alternative_name): Make const char *.
8798         (evaluate_eq_attr): Remove use of above things.
8799         (simplify_test_exp): Ditto.
8800         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8801         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8802
8803 2005-08-04  James E Wilson  <wilson@specifix.com>
8804
8805         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8806         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8807         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8808         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8809         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8810
8811 2005-08-04  Richard Henderson  <rth@redhat.com>
8812
8813         PR 21529
8814         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8815         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8816         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8817         if we'd have to instantiate too many members.
8818
8819 2005-08-04  Richard Henderson  <rth@redhat.com>
8820
8821         PR 21291
8822         * tree-outof-ssa.c (coalesce_asm_operands): New.
8823         (coalesce_ssa_name): Use it.  Split out ...
8824         (coalesce_phi_operands, coalesce_result_decls): ... these.
8825
8826 2005-08-04  Paul Brook  <paul@codesourcery.com>
8827
8828         * read-rtl.c (read_quoted_string): Break if EOF.
8829
8830 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8831
8832         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8833         (fold_build2): Likewise.
8834         (fold_build3): Likewise.
8835         (fold_build1_stat): New function prototype.
8836         (fold_build2_stat): Likewise.
8837         (fold_build3_stat): Likewise.
8838         * fold-const.c (fold_build1): Rename to ..
8839         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8840         through to build1_stat.
8841         (fold_build2): Rename to ..
8842         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8843         through to build2_stat.
8844         (fold_build3): Rename to ..
8845         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8846         through to build3_stat.
8847
8848 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8849             Ian Lance Taylor  <ian@airs.com>
8850
8851         * function.c (assign_stack_local_1): Do not correct stack slot
8852         address if allocation size is smaller than mode size.
8853
8854 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8855
8856         PR 22037
8857         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8858         (tree_merge_blocks): Propagate anything allowed by
8859         may_propagate_copy.
8860         Clarify documentation.
8861         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8862         SSA form, schedule an update if necessary.
8863
8864 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8865
8866         * doc/install.texi (Binaries): Remove broken link to
8867         Sinix/Reliant Unix binaries.
8868
8869 2005-08-03  Richard Henderson  <rth@redhat.com>
8870
8871         PR 23221
8872         * function.c (stack_protect_epilogue): Export.
8873         * tree.h (stack_protect_epilogue): Declare.
8874         * calls.c (expand_call): Call it.
8875
8876 2005-08-03  Eric Christopher  <echristo@apple.com>
8877
8878         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8879         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8880         spec.
8881
8882 2005-08-04  Jan Hubicka  <jh@suse.cz>
8883
8884         * profile.c (branch_prob): Split edges with goto locus on them
8885         to get proper line counts.
8886         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8887
8888 2005-08-03  Paul Brook  <paul@codesourcery.com>
8889
8890         * function.c (assign_parms): Round current_function_args_size
8891         to PARM_BOUNDARY, not STACK_BOUNDARY.
8892
8893 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8894
8895         * config/i386/i386.c (x86_elf_aligned_common)
8896         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8897
8898 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8899
8900         PR tree-optimization/23157
8901         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8902         before emitting them.
8903
8904 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8905
8906         PR tree-optimization/19899
8907         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8908         * tree-scalar-evolution.c: Include real.h.
8909         (add_to_evolution): Build constant -1 of correct type.
8910
8911 2005-08-03  Jan Hubicka  <jh@suse.cz>
8912
8913         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8914         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8915         profile updating for complette unrolling.
8916         * loop-unroll.c (peel_loop_completely): Use it.
8917         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8918         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8919         loops.
8920
8921 2005-08-03  Paul Brook  <paul@codesourcery.com>
8922
8923         * combine.c (can_change_dest_mode): New function.
8924         (try_combine, simplify_set): Use it.
8925
8926 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8927
8928         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8929         TFmode to BLKmode.
8930
8931 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8932
8933         * doc/install.texi (Specific): Adjust link to openavr.org.
8934         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8935         (Binaries): Adjust HP-UX Porting Center link.
8936         (Binaries): Adjust Free Software Foundation ordering link.
8937
8938 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8939
8940         * convert.c (convert_to_integer): Use fold_build1 instead of
8941         build1 when converting an integer to an integer.
8942
8943 2005-08-02  Richard Henderson  <rth@redhat.com>
8944
8945         * combine.c (combine_instructions): Don't use reg_equal/equiv
8946         results if the mode doesn't match.
8947
8948 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8949
8950         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8951         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8952
8953 2005-08-02  Richard Henderson  <rth@redhat.com>
8954
8955         PR 23196
8956         * explow.c (memory_address): Remove special-case for
8957         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8958
8959 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8960
8961         PR 23164
8962         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8963         number of calls to cleanup_tree_cfg_1.
8964
8965 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8966
8967         * doc/invoke.texi: document file extensions .F90 and .F95
8968
8969 2005-08-02  Richard Guenther  <rguenther@suse.de>
8970
8971         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8972         positive if its first argument is positive.
8973
8974 2005-08-02  Richard Guenther  <rguenther@suse.de>
8975
8976         PR tree-optimization/23177
8977         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8978         on TMR_TAG.
8979
8980 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8981
8982         PR tree-optimization/23129
8983         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8984         varying for divisions with anti-ranges.
8985
8986 2005-08-02  Jan Hubicka  <jh@suse.cz>
8987
8988         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8989         * tree-ssa-threadupdate.c (thread_block): Add it here.
8990
8991 2005-08-01  James E Wilson  <wilson@specifix.com>
8992
8993         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8994         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8995         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8996         New.
8997         * config/mips/predicates.md (const_call_insn_operand): Add check for
8998         SYMBOL_REF_LONG_CALL_P.
8999         * doc/extend.texi (long_call): Document the new attribute.
9000
9001 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9002             Richard Henderson  <rth@redhat.com>
9003
9004         * Makefile.in (RTL_BASE_H): Add real.h.
9005         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9006         instead of memcpy.
9007         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9008         directly.
9009         * rtl.c (rtl_check_failed_code_mode): New.
9010         * rtl.h (struct rtx_def): Add u.rv.
9011         (XCMWINT, XCNMPRV): New.
9012         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9013         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9014
9015 2005-08-01  Richard Henderson  <rth@redhat.com>
9016
9017         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9018         with auto-inc codes.
9019
9020         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9021
9022 2005-08-01  Jan Hubicka  <jh@suse.cz>
9023
9024         * i386-protos.h (asm_preferred_eh_data_format): Declare.
9025         * i386.c: Include dwarf2.h
9026         (asm_preferred_eh_data_format): New.
9027         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9028
9029 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9030
9031         * config/host-linux.c (linux_gt_pch_get_address): Add new name
9032         randomize_va_space for virtual address randomization control.
9033
9034 2005-08-01  Steven Bosscher  <stevenb@suse.de>
9035
9036         * common.opt (flag_ipa_cp): Put in right place to maintain
9037         alphabetic sort.
9038
9039 2005-08-01  Jan Hubicka  <jh@suse.cz>
9040
9041         * profile.c (compute_value_histograms): Fix thinko.
9042         * value-prof.c: Include toplev.h
9043         (check_counter): New function.
9044         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9045         tree_mod_subtract_transform): Add sanity check.
9046
9047 2005-08-01  Richard Guenther  <rguenther@suse.de>
9048
9049         PR tree-optimization/23133
9050         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9051         current functions parameter decls to find defs to cse
9052         reciprocals of.
9053
9054 2005-08-01  Richard Guenther  <rguenther@suse.de>
9055
9056         PR tree-optimization/23109
9057         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9058         If trapping math is in effect, use post-dominator information
9059         to check if we'd in any case reach a trapping point before
9060         doing the reciprocal insertion.
9061         (execute_cse_reciprocals): Compute post-dominators, if necessary.
9062         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9063         expressions are invariant only if trapping math is not in effect.
9064
9065 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9066
9067         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9068         cgraph_function_versioning): New declarations.
9069         * cgraphunit.c: Add include to ipa-prop.h.
9070         (update_call_expr, cgraph_copy_node_for_versioning,
9071         cgraph_function_versioning): New functions.
9072         * integrate.c (copy_decl_for_inlining): Remove.
9073         * ipa-prop.h (ipa_replace_map): New struct.
9074         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9075         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9076         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9077         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9078         ipcp_iterate_stage, ipcp_method_scale_print,
9079         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9080         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9081         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9082         ipcp_update_bb_counts, ipcp_update_profiling,
9083         ipcp_update_edges_counts): New functions.
9084         (ipcp_method_cval_init): Remove restriction regarding local methods.
9085         (ipcp_init_stage): Add ipcp_method_compute_scale.
9086         (ipcp_insert_stage): Add versioning.
9087         (ipcp_structures_print): Add ipcp_method_scale_print.
9088         (ipcp_driver): Dump profiling info.
9089         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9090         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9091         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9092         (struct inline_data): Add versioning_p, ipa_info, new fields.
9093         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9094         declare_return_variable): Replace calls to copy_decl_for_inlining with
9095         copy_decl_for_dup.
9096         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9097         versioning support.
9098         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9099         Add argument VERSIONING.
9100         (copy_arguments_for_versioning, copy_static_chain,
9101         function_versionable_p, tree_versionable_function_p,
9102         tree_function_versioning, replace_ref_tree): New functions.
9103         * tree-inline.h: Include varray.h.
9104         (tree_versionable_function_p,  tree_function_versioning,
9105         tree copy_decl_for_dup): New declarations.
9106
9107 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9108
9109         * ipa-cp.c: New file. Contains IPCP specific functionality.
9110         * ipa-prop.h: New file. Contains structures/definitions that can be
9111         used by several interprocedural data flow optimizations (and also IPCP).
9112         * ipa-prop.c: New file.
9113         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9114         * common.opt: Add ipa-cp flag.
9115         * timevar.def: Add IPCP optimization.
9116         * tree-optimize.c (init_tree_optimization_passes): Schedule
9117         pass_ipa_cp.
9118         * tree-pass.h (pass_ipa_cp): Declare.
9119
9120 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
9121
9122         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9123         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9124         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9125         config/i386/i386.c, config/mips/mips.h,
9126         config/rs6000/rs6000.h, config/sh/sh.c,
9127         config/stormy16/stormy16.c: Fix comment typos.
9128
9129 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
9130
9131         PR c/22311
9132         * c-typeck.c (build_binary_op): Use common_type wrapper on
9133         shortened types.
9134         (common_type): Update comment.
9135
9136 2005-07-31  Steven Bosscher  <stevenb@suse.de>
9137
9138         PR target/23095
9139         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9140         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9141         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9142
9143 2005-07-31  Jan Hubicka  <jh@suse.cz>
9144
9145         * pretty-print.h (pp_widest_integer): New macro.
9146         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9147         counts.
9148
9149 2005-07-31  Jan Hubicka  <jh@suse.cz>
9150
9151         * output.h (enum section_category): Export from varasm.c
9152         (categorize_decl_for_section): Likewise.
9153         * varasm.c (enum section_category): Kill.
9154         (categorize_decl_for_section): Make global.
9155         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9156         Declare.
9157         * i386.c (ix86_section_threshold): New static variable.
9158         (ix86_in_large_data_p, ix86_encode_section_info,
9159         x86_64_elf_unique_section,
9160         x86_64_elf_select_section): New functions.
9161         (TARGET_ENCODE_SECTION_INFO): Define
9162         (override_options): Enable medium model for PIC.
9163         (ix86_expand_prologue): Expand gen_set_got_rex64.
9164         (legitimate_constant_p): Handle new UNSPECs.
9165         (legitimate_pic_address_disp_p): Likewise.
9166         (legitimize_pic_address): Lower MEDIUM model addressing.
9167         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9168         (enum cmodel): Add MEDIUM_PIC.
9169         (SYMBOL_REF_FAR_ADDR_P): New macro.
9170         (SYMBOL_FLAG_FAR_ADDR): New flag.
9171         * i386.md (movdi): Support medium model.
9172         (set_got_rex64): New pattern.
9173         * i386.opt (mlarge-data-threshold): New flag.
9174         * predicates.md (zext_operand/sext_operand): Deal with medium model.
9175         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9176         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9177         TARGET_ASM_UNIQUE_SECTION): New.
9178
9179         * invoke.texi (-mlarge_data_threshold): Document
9180
9181 2005-07-31  Jan Hubicka  <jh@suse.cz>
9182
9183         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9184         (coalesce_vars): Likewise.
9185         * tree-ssa-live.c (coalesce_cost): New.
9186         (build_tree_conflict_graph): Use coalesce_cost.
9187         * tree-ssa-live.h (coalesce_cost): Declare.
9188
9189 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9190
9191         * arm.md (all peepholes for post-increment operations): Delete.
9192         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9193         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9194         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9195         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9196         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9197
9198 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9199
9200         * fold-const.c (tree_expr_nonnegative_p): Always return true for
9201         non-integral types.
9202
9203 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9204
9205         PR target/22582
9206         * doc/invoke.texi: Document -rdynamic.
9207
9208 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9209
9210         PR c/23143
9211         * c-parser.c (c_parser_parms_list_declarator): Call
9212         mark_forward_parm_decls.
9213         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9214         decls with visibility structure.
9215
9216 2005-07-30  Paul Brook  <paul@codesourcery.com>
9217
9218         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9219
9220 2005-07-30  Paul Brook  <paul@codesourcery.com>
9221
9222         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9223         prototype.
9224         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9225         value for mode.
9226         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9227
9228 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9229
9230         PR c/529
9231         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9232         nested function declarators.
9233         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9234         (grokparms): Call warn_if_shadowing for parameters used within the
9235         parameter list.
9236         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9237         not used within the parameter list.
9238         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9239
9240 2005-07-30  Jan Hubicka  <jh@suse.cz>
9241
9242         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9243         * i386.c (ix86_fixup_binary_operands): Likewise.
9244         (ix86_expand_unary_operator): Likewise.
9245         (ix86_expand_fp_absneg_operator): Likewise.
9246         * optabs.c (expand_vec_cond_expr): Validate dest.
9247
9248 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9249
9250         PR c/21720
9251         * real.c (real_from_string): Also set last bit if there is a
9252         nonzero hex digit beyond GCC's internal precision after ".".
9253
9254 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9255
9256         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9257         define_constants.  Change duplicate values to unassigned numbers.
9258         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9259         (*altivec_vspltsf): New.
9260         (altivec_vperm_v4sf): Delete.
9261         (altivec_vperm_<mode>): Use mode macro V.
9262         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9263         (altivec_predicate_v4sf): Delete.
9264         (altivec_predicate_<mode>): Use mode macro V.
9265         (*altivec_lvesfx): New.
9266         (*altivec_stvesfx): New.
9267         (vec_realign_load_v4sf): Delete.
9268         (vec_realign_load_<mode>): Use mode macro V.
9269         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9270         UNSPECV_SET_VRSAVE.
9271
9272 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9273
9274         PR bootstrap/23131
9275         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9276         string.
9277         * configure: Regenerated.
9278
9279 2005-07-29  Paul Brook  <paul@codesourcery.com>
9280
9281         * doc/install.texi: Add link to GFortran binaries wiki page.
9282
9283 2005-07-29  David Ung  <davidu@mips.com>
9284
9285         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9286         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9287         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9288         * config/mips/mips.md (cpu): Add 5kf name.
9289         (includes): Includes 5k.md.
9290         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9291         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9292         -march flag.
9293
9294 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9295
9296         PR 22550
9297         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9298         (cleanup_tree_cfg): ... here.
9299         Call cleanup_tree_cfg_1 until there are no more cleanups to
9300         do.
9301
9302 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9303
9304         * tree-vrp.c (compare_range_with_value): Return true or false
9305         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9306         EQ_EXPR respectively.
9307
9308 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9309
9310         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9311         Fix comment typos.
9312
9313 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9314
9315         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9316         (tree_ssa_dominator_optimize): Increment it.
9317         (dump_dominator_optimization_stats): Print it.
9318
9319 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9320             Steven Bosscher  <stevenb@suse.de>
9321
9322         PR rtl-optimization/23117
9323         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9324         when head == tail.  Tidy comment.
9325
9326 2005-07-28  Richard Henderson  <rth@redhat.com>
9327
9328         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9329         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9330         * jump.c (rtx_renumbered_equal_p): Likewise.
9331         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9332         CONST_INT and CONST_DOUBLE.
9333         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9334         * reload.c (operands_match_p): Special case CONST_INT and
9335         CONST_DOUBLE; check mode earlier.
9336
9337 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9338
9339         PR c/22240
9340         * c-typeck.c (convert_for_assignment): Do not check
9341         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9342
9343 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9344
9345         PR c/22192
9346         * c-typeck.c (composite_type): Prefer constant size arrays to
9347         VLAs.
9348
9349 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9350
9351         PR c/21720
9352         * real.c (real_from_string): Set last bit if there is a nonzero
9353         hex digit beyond GCC's internal precision.
9354
9355 2005-07-28  Richard Henderson  <rth@redhat.com>
9356
9357         PR rtl-opt/22619
9358         * cfgcleanup.c (try_forward_edges): Watch out for end of
9359         insn chain.
9360
9361 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9362
9363         PR c/23106
9364         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9365
9366 2005-07-28  Jan Hubicka  <jh@suse.cz>
9367
9368         * Makefile.in (rtl-profile.o): Kill all traces of it.
9369         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9370         * coverage.h (rtl_coverage_counter_ref): Kill.
9371         * opts.c (flag_speculative_prefetching_set): Kill.
9372         (flag_loop_optimize_set): New.
9373         (common_handle_option): Disable loop optimizer when profiling;
9374         do not handle speculative prefetching.
9375         * passes.c (init_optimization_passes): Replace pass_profiling combo
9376         by branch_prob pass.
9377         * profile.c (compute_value_histograms): Update for simplified value
9378         profiles.
9379         (rtl_register_profile_hooks): Kill.
9380         (pass_profiling): Kill.
9381         (rest_of_handle_branch_prob): Do not profile.
9382         * toplev.c (process_options): Remove speculative prefetching.
9383         * toplev.h (flag_tree_based_profiling): Kill.
9384         * tree-profile.c (prepare_instrumented_value,
9385         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9386         tree_gen_one_value_profiler, do_tree_profiling): Update for
9387         simplified datastructures.
9388         * value-prof.c: Add comment that speculative prefetching was dropped;
9389         update rest of file for simplified datastructures.
9390         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9391         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9392         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9393         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9394         rtl_mod_subtract, gen_speculative_prefetch,
9395         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9396         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9397         (gate_handle_value_profile_transformations,
9398         rest_of_handle_value_profile_transformations,
9399         pass_value_profile_transformations): Kill.
9400         * value-prof.h (histogram_value_t): Remove IL based unions.
9401         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9402         rtl_profile_hooks): Remove hooks.
9403
9404         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9405
9406         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9407         (cgraph_clone_node): Likewise.
9408         * cgraph.h (cgraph_clone_edge): Update prototype.
9409         (cgraph_clone_node): Likewise.
9410         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9411         cgraph_clone_node.
9412         (lookup_recursive_calls): Consider profile.
9413         (cgraph_decide_recursive_inlining): Fix updating; use new
9414         probability argument; use profile.
9415         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9416         * tree-inline.c (copy_bb): Update clal of clone_edge.
9417         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9418
9419         * invoke.texi (min-inline-recursive-probability): Document.
9420
9421 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9422
9423         * doc/install.texi (Configuration): Update Valgrind homepage.
9424
9425 2005-07-28  Richard Henderson  <rth@redhat.com>
9426
9427         PR middle-end/21362
9428         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9429         labels we want to delete.
9430         (cfg_layout_merge_blocks): Likewise.
9431
9432 2005-07-28  Richard Henderson  <rth@redhat.com>
9433
9434         PR target/17692
9435         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9436         when expanding to nothing.
9437
9438 2005-07-28  Josh Conner  <jconner@apple.com>
9439
9440         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9441         (cgraph_decide_inlining_of_small_functions): Likewise.
9442
9443 2005-07-28  Josh Conner  <jconner@apple.com>
9444
9445         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9446         direction of badness if negative.
9447         (cgraph_default_inline_p): Add reason to parameters, and assign it
9448         a value.
9449         (cgraph_decide_inlining_of_small_functions): New parameter in call
9450         to cgraph_default_inline_p.
9451         (cgraph_decide_inlining_incrementally): Likewise.
9452         * cgraphunit.c (decide_is_function_needed): Likewise.
9453         * cgraph.h (cgraph_default_inline_p): Likewise.
9454
9455 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9456
9457         * builtins.c: Fix comment typo(s).
9458         * genautomata.c: Likewise.
9459         * gimplify.c: Likewise.
9460         * tree-dfa.c: Likewise.
9461         * tree-flow-inline.h: Likewise.
9462         * tree-into-ssa.c: Likewise.
9463         * tree-ssa-alias.c: Likewise.
9464         * tree-ssa-ccp.c: Likewise.
9465         * tree-ssa-copy.c: Likewise.
9466         * tree-ssa-dce.c: Likewise.
9467         * tree-ssa-dom.c: Likewise.
9468         * tree-ssa-operands.c: Likewise.
9469         * tree-tailcall.c: Likewise.
9470         * tree-vectorizer.c: Likewise.
9471         * tree-vrp.c: Likewise.
9472         * tree.c: Likewise.
9473
9474 2005-07-28  Jeff Law  <law@redhat.com>
9475
9476         * tree-vrp.c (test_for_singularity): Extracted from  ...
9477         (simplify_cond_using_ranges): Attempt to simplify a relational
9478         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9479
9480 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9481
9482         PR tree-optimization/22506
9483         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9484         phis whose argument is constant.
9485
9486 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9487
9488         PR rtl-optimization/18992
9489         Back out this patch:
9490           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9491           PR optimization/12142
9492           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9493           uses of the register in the SET_SRC.  Remove unnecessary argument.
9494
9495         Replace it with this:
9496         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9497         if flag_non_call_exceptions is set and the insn may trap, pass
9498         pc_rtx as dest for recursion.
9499         In SET_SRC part of SET case, if dest is already set, pass it down
9500         unchanged.
9501
9502 2005-07-28  Jan Hubicka  <jh@suse.cz>
9503
9504         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9505         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9506         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9507         roundoff errors.
9508         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9509         profile when available.
9510
9511 2005-07-28  Jan Beulich <jbeulich@novell.com>
9512
9513         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9514         (ia64_print_operand): Describe and handle 'X'.
9515         (ia64_register_move_cost): Also handle FP_REGS.
9516         (ia64_preferred_reload_class): Likewise.
9517         (ia64_secondary_reload_class): Likewise.
9518         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9519         it. Also check for ITANIUM_CLASS_FLDP.
9520         * config/ia64/ia64.h (FP_REGNO_P): New.
9521         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9522         (reg_class): Add FP_REGS.
9523         (REG_CLASS_NAMES): Adjust for it.
9524         (REG_CLASS_CONTENTS): Likewise.
9525         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9526         (REG_CLASS_FROM_LETTER): Handle 'x'.
9527         (CLASS_MAX_NREGS): Handle FP_REGS.
9528         (MEMORY_MOVE_COST): Likewise.
9529         * config/ia64/ia64.md (itanium_class): Add fldp.
9530         (type): Handle fldp.
9531         (movti_internal): More allowable operand combinations. Use ldfp8 when
9532         splitting unnecessary. Remove predicable attribute. Adjust
9533         itanium_class attribute.
9534         (smuldi3_highpart): Remove outdated comment.
9535         (mulditi3, umulditi3, rotlti3): New expanders.
9536         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9537         (absti2): Disabled new insn for future reference.
9538         Respective new splitters.
9539         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9540         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9541         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9542
9543 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9544
9545         PR rtl-optimization/23047
9546         * simplify-rtx.c (simplify_const_relational_operation): Respect
9547         flag_wrapv for comparisons with ABS.
9548
9549 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9550
9551         PR tree-optimization/22493
9552         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9553         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9554
9555 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9556
9557         * config/frv/frv.opt (moptimize-membar): New.
9558
9559         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9560
9561         * config/frv/frv.h: Remove machine_function definition.
9562
9563         * config/frv/frv.c (struct frv_io): New.
9564         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9565         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9566         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9567         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9568         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9569         (frv_reorg): Call frv_optimize_membar when appropriate.
9570         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9571         (frv_expand_builtin): Adjust calls accordingly.
9572         (frv_io_address_cookie): New function.
9573         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9574         load or store rather than a special insn.  Add ccnstant address and
9575         io-type operands to the membar.
9576         (frv_ifcvt_modify_tests): Unsign regno.
9577         (frv_ifcvt_modify_tests): Same.
9578
9579         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9580         UNSPEC_OPTIONAL_MEMBAR constant.
9581         (builtin_read_<mode>): Delete.
9582         (builtin_write_<mode>): Delete.
9583         ("optional_membar_<mode>"): Add operand.
9584
9585         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9586         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9587         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9588         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9589         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9590         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9591         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9592         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9593         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9594
9595 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9596
9597         * df.c (df_uses_record): Handle SCRATCH.
9598
9599 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9600
9601         PR debug/20161
9602         * passes.c (rest_of_decl_compilation): If decl is a type and
9603         we have encountered errors, don't emit debug information.
9604
9605 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9606
9607         * params.def: Fixed comment.
9608
9609 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9610
9611         PR target/19885
9612         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9613         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9614         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9615
9616 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9617
9618         PR c++/22003
9619         * varasm.c (assemble_start_function): Don't do anything that may
9620         require a CFG if the current function is a thunk.
9621
9622 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9623
9624         * doc/install.texi (Prerequisites): Mention that perl is needed
9625         to do export control in libstdc++ targetting Darwin.
9626
9627 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9628
9629         PR rtl-optimization/17808
9630         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9631         (sched_insns_conditions_mutex_p): Split out from...
9632         (add_dependence): ...here.  But don't call it from here.
9633         (add_dependence_list): Check sched_insns_conditions_mutex_p
9634         before calling add_dependence.
9635         (add_dependence_list_and_free): Likewise.
9636         (fixup_sched_groups): Likewise.
9637         (sched_analyze_1): Likewise.
9638         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9639         (sched_analyze): Likewise.
9640         (sched_analyze_insn): Likewise.
9641         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9642         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9643         dependencies on all COND_EXEC insns to jumps ending basic blocks
9644         when doing intrablock scheduling.
9645         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9646
9647 2005-07-27  Jeff Law  <law@redhat.com>
9648
9649         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9650         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9651         equivalency sets, correctly handle the case were vr0 has an
9652         equivalency set, but vr1 does not.
9653
9654 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9655
9656         PR tree-optimization/23073
9657         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9658         vect_print_dump_info before fprintf.
9659
9660 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9661
9662         PR tree-optimize/22348
9663         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9664         Fold the partial computation.
9665
9666 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9667
9668         PR tree-optimization/22325
9669         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9670         Declare.
9671         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9672         value replacement.
9673         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9674         (force_var_cost): ... this function.
9675         (compute_phi_arg_on_exit): Export.
9676
9677 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9678
9679         PR tree-optimization/20773
9680         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9681         edge.
9682
9683 2005-07-27  Richard Guenther  <rguenther@suse.de>
9684
9685         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9686         Avoid pushing again if current struct contains only
9687         fields we decomposed.
9688
9689 2005-07-27  Jan Hubicka  <jh@suse.cz>
9690
9691         PR tree-optimization/22574
9692         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9693         not available.
9694
9695         * tree-tailcall.c (decrease_profile): New function.
9696         (eliminate_tail_call): Use it.
9697
9698         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9699         visibility flags correctly in whole program mode.
9700
9701 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9702
9703         PR rtl-optimization/22472
9704         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9705
9706 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9707
9708         PR tree-optimization/22504
9709         * tree-complex.c (expand_complex_addition): Use 'code' instead
9710         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9711
9712 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9713
9714         * config.gcc (cpu_type): Add frv case.
9715         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9716         (supported_defaults): Add fr550 case.
9717
9718 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9719
9720         PR 22591
9721         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9722         whether a pointer of type T * may point to objects of type T *.
9723
9724 2005-07-26  DJ Delorie  <dj@redhat.com>
9725
9726         * configure: Regenerate.
9727
9728 2005-07-26  Dale Johannesen  <dalej@apple.com>
9729
9730         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9731
9732 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9733
9734         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9735         Clarify use of "build" in name.
9736
9737 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9738
9739         * doc/extend.texi (Raw read/write Functions): New section.
9740         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9741         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9742         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9743         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9744         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9745         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9746         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9747         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9748         * config/frv/frv.c: Add bdesc_loads global.
9749         Add bdesc_stores global.
9750         (frv_init_builtins): Add support for __builtin_{read/write}*.
9751         (frv_volatile_memref): New.
9752         (frv_expand_load_builtin): New.
9753         (frv_expand_store_builtin): New.
9754         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9755         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9756         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9757         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9758         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9759         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9760         (builtin_read_<mode>): New.
9761         (builtin_write_<mode>): New.
9762         (builtin_write64): New.
9763         (optional_membar_<mode>): New.
9764
9765 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9766
9767         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9768         (rather than units) against HOST_BITS_PER_WIDE_INT.
9769
9770 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9771
9772         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9773         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9774         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9775         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9776         FSF address.
9777
9778         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9779         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9780         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9781         comment typos.
9782         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9783
9784 2005-07-26  Richard Guenther  <rguenther@suse.de>
9785
9786         PR tree-optimization/22486
9787         * fold-const.c (fold_unary): Fold away useless component
9788         references of the form (T *)&T.x, if the address
9789         doesn't change.
9790
9791 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9792
9793         * dwarf2out.c (add_call_src_coords_attributes): New.
9794         (gen_inlined_subroutine_die): Call it.
9795         (maybe_emit_file, init_file_table): Add comments.
9796         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9797         maybe_emit_file.
9798         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9799         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9800         * tree.h (BLOCK_SOURCE_LOCATION): New.
9801         (struct tree_block): New field locus.
9802
9803 2005-07-26  Andreas Schwab  <schwab@suse.de>
9804
9805         PR rtl-optimization/23043
9806         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9807         when allocating a struct unoccr.
9808
9809 2005-07-25  Richard Henderson  <rth@redhat.com>
9810
9811         PR 22626
9812         * tree-complex.c (gate_no_optimization): True if errors.
9813         * Makefile.in (tree-complex.o): Update dependencies.
9814
9815 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9816
9817         * config/frv/predicates.md (integer_register_operand): Use
9818         GPR_AP_OR_PSEUDO_P.
9819
9820 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9821
9822         PR tree-opt/22484
9823         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9824         after fold.
9825         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9826
9827 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9828
9829         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9830         types when flag_unsafe_math_optimizations is true.
9831
9832 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9833
9834         * gcc.c (option_map): Add --sysroot.
9835         (process_command): Handle --sysroot.
9836         (display_help): Document it.
9837         * doc/cppopts.tex (-isysroot): Document.
9838         * doc/invoke.texi (--sysroot): Document.
9839         * doc/install.texi (--with-build-sysroot): Document.
9840
9841         * Makefile.in (inhibit_libc): New variable.
9842         (INHIBIT_LIBC_CFLAGS): Likewise.
9843         (LIBGCC2_CFLAGS): Include
9844         $(INHIBIT_LIBC_CFLAGS).
9845         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9846         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9847         ($(T)crtend.o): Likewise.
9848         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9849         ($(T)crtendS.o): Likewise.
9850         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9851         ($(T)crtendT.o): Likewise.
9852         (stmp-fixinc): Do not complain about missing headers if
9853         inhibit_libc.
9854         * configure.ac (inhibit_libc): Set it to true/false.
9855         (--with-build-sysroot): New option.  Use it to set
9856         SYSTEM_HEADER_DIR.
9857         * configure: Regenerated.
9858
9859 2005-07-25  Manfred Hollstein  <mh@suse.com>
9860
9861         * calls.c (store_one_arg): Fix unsigned comparison warning.
9862
9863 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9864
9865         PR other/22337
9866         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9867         (ggc_print_statistics): Initialize variable before use.
9868
9869 2005-07-25  Richard Guenther  <rguenther@suse.de>
9870
9871         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9872         calling with a PHI_NODE argument.
9873
9874         * tree-flow-inline.h (overlap_subvar): Protect against
9875         possible overflow.
9876
9877 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9878
9879         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9880         * configure: Regenerate.
9881
9882 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9883
9884         * expr.c (highest_pow2_factor): Make extern.
9885         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9886         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9887         record_array_differ_p, array_ptr_differ_p): Likewise.
9888         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9889         additional cases. Call the above functions.
9890         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9891         base_object_differ_p when there are two base objects. Otherwise, compare
9892         base address and offset. Call may_alias_p.
9893         (dump_data_reference): Use a correct field name.
9894         (analyze_array): Make static. Initialize new data-ref fields.
9895         (analyze_indirect_ref): New function.
9896         (init_data_ref): Initialize new data-ref fields.
9897         (strip_conversion): Moved from tree-vect-analyze.c.
9898         (analyze_offset_expr, get_ptr_offset, address_analysis,
9899         object_analysis): Likewise.
9900         (analyze_offset): New function.
9901         (create_data_ref): Likewise.
9902         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9903         dimensions for ARRAY_REFs only.
9904         (build_classic_dist_vector): Make static.
9905         (access_functions_are_affine_or_constant_p): Call macro to get the
9906         address of access functions.
9907         (compute_all_dependences): Add new parameter
9908         compute_self_and_read_read_dependences. Compute self and read-read
9909         dependences if it is true.
9910         (find_data_references_in_loop): Call create_data_ref. Initialize new
9911         data-ref fields.
9912         (compute_data_dependences_for_loop): Add new parameter
9913         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9914         compute nb_loops. Call compute_all_dependences,
9915         build_classic_dist_vector and build_classic_dir_vector with correct
9916         parameters.
9917         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9918         with correct parameters. Compare dimensions for ARRAY_REFs only.
9919         (free_data_refs): Call macro to free access functions.
9920         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9921         fields from stmt_vinfo.
9922         (struct base_object_info): New structure.
9923         (struct data_reference): Move fields to base_object_info. Add fields
9924         first_location and object_info for above structures. Move fields from
9925         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9926         aligned_to.  Add macros to access the new fields.
9927         Update functions declarations.
9928         * tree-flow.h (is_aliased_with): Declare.
9929         * tree-loop-linear.c (linear_transform_loops): Call
9930         compute_data_dependences_for_loop with correct parameters.
9931         * tree-ssa-alias.c (is_aliased_with): New function.
9932         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9933         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9934         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9935         vect_base_addr_differ_p, compute_subscript_distance and
9936         build_classic_dist_vector. Add printings. Check absolute value of
9937         distance.
9938         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9939         data-refs.
9940         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9941         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9942         to bytes. Add printing.
9943         (vect_compute_data_refs_alignment): Go through loads and stores in one
9944         loop.
9945         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9946         vect_analyze_data_ref_access): Likewise.
9947         (vect_analyze_pointer_ref_access): Remove.
9948         (vect_address_analysis, vect_object_analysis): Likewise.
9949         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9950         and analyze data-refs in the loop.
9951         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9952         fields of data-ref instead of stmt. Add init to the offset from the
9953         base.
9954         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9955         (vect_update_init_of_dr): Likewise.
9956         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9957         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9958         removed fields.
9959         (new_loop_vec_info): Initialize new fields.
9960         (destroy_loop_vec_info): Free new fields.
9961         (vect_strip_conversion): Remove.
9962         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9963         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9964         datarefs. Add new field ddrs.
9965         Add macros for the new fields access.
9966         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9967         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9968         Remove their macros.
9969         * tree.h (highest_pow2_factor): Declare.
9970
9971 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9972
9973         * calls.c (store_one_arg): Check for sibling call MEM arguments
9974         from already clobbered incoming argument area.
9975
9976 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9977
9978         * c-common.c (check_missing_format_attribute): New.
9979         * c-common.h (check_missing_format_attribute): Likewise.
9980         * c-typeck.c (convert_for_assignment): Use it.
9981
9982 2005-07-24  Andreas Schwab  <schwab@suse.de>
9983
9984         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9985         register use a word move.  Correct operand of ext.w in 68000 code.
9986
9987 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9988
9989         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9990         variables as declarations, rather than definitions.
9991
9992 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9993
9994         PR tree-optimization/22526
9995         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9996         of the zero node.
9997
9998 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9999
10000         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10001         that C99 reserve for future use. Use it to define clog10,
10002         clog10f and clog10l.
10003
10004 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10005
10006         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10007         * configure.ac: Check for -Wmissing-format-attribute.
10008
10009         * configure: Regenerate.
10010
10011 2005-07-23  Richard Henderson  <rth@redhat.com>
10012
10013         PR tree-optimization/22623
10014         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10015
10016 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
10017
10018         PR target/22577
10019         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10020
10021 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10022
10023         * Makefile.in (C_TREE_H): Update dependencies.
10024         * c-tree.h: Include toplev.h.
10025         * diagnostic.h (diagnostic_set_info): Add format attribute.
10026         * rtl-error.c (diagnostic_for_asm): Likewise.
10027
10028 2005-07-23  Chao-ying Fu  <fu@mips.com>
10029
10030         * config/mips/mips-dsp.md: New file.
10031         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10032         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10033         functions.
10034         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10035         MIPS_BUILTIN_BPOSGE32.
10036         (mips_expand_builtin_direct): Add one parameter to indicate that
10037         builtin functions need to return a value.
10038         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10039         functions.
10040         (mips_regno_to_class): Add classes for 12 new DSP registers.
10041         (mips_subword): Change to check four HI registers.
10042         (mips_output_move): Output move to and from 6 new DSP accumulators.
10043         (override_options): Make sure -mdsp and -mips16 are not used together.
10044         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
10045         for machine modes.
10046         (mips_conditional_register_usage): Disable 6 new DSP accumulators
10047         when !TARGET_DSP.
10048         (print_operand): Add 'q' for printing DSP accumulators.
10049         (mips_cannot_change_mode_class): Check ACC_REGS.
10050         (mips_secondary_reload_class): Check ACC_REGS.
10051         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10052         (mips_register_move_cost): Check ACC_REGS.
10053         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10054         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10055         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10056         (dsp_bdesc): New array.
10057         (bdesc_arrays): Add DSP builtin function table.
10058         (mips_prepare_builtin_arg): Check predicate again after
10059         copy_to_mode_reg.
10060         (mips_expand_builtin): Add one more parameter to
10061         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10062         MIPS_BUILTIN_BPOSGE32.
10063         (mips_init_builtins): Initialize new function types.
10064         (mips_expand_builtin_direct): Check if builtin functions need to
10065         return a value and pass operands properly.
10066         (mips_expand_builtin_bposge): New function.
10067         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10068         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10069         (FIRST_PSEUDO_REGISTER): Increase to 188.
10070         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10071         Update for 12 new DSP registers.
10072         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10073         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10074         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10075         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10076         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10077         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10078         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10079         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10080         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10081         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10082         (REGISTER_NAMES): Add names for 12 new DSP registers.
10083         * config/mips/mips.md: Include mips-dsp.md.
10084         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10085         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10086         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10087         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10088         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10089         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10090         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10091         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10092         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10093         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10094         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10095         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10096         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10097         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10098         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10099         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10100         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10101         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10102         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10103         (UNSPEC_RDDSP): New constants.
10104         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10105         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
10106         A<-d alternative.
10107         * config/mips/mips.opt (-mdsp): New option.
10108         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10109         (reg_imm10_operand): New predicates.
10110         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10111         * doc/invoke.texi (-mdsp): Document new option.
10112
10113 2005-07-22  DJ Delorie  <dj@redhat.com>
10114
10115         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10116         to warning calls.
10117         * tree-inline.c (inlinable_function_p): Likewise.
10118
10119 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
10120
10121         PR debug/21828
10122         * toplev.c (check_global_declarations): Do not mark undefined
10123         variables as DECL_IGNORED_P.
10124         * varasm.c (first_global_object_name): GTY it.
10125         (weak_global_object_name): Likewise.
10126         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10127         a string to go into {weak,first}_global_object_name.
10128
10129 2005-07-22  DJ Delorie  <dj@redhat.com>
10130
10131         * c-format.c (check_function_format): Change warning control
10132         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10133
10134 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
10135
10136         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10137         &PTR->FLD a dereference of PTR.
10138         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10139         a potential dereference of PTR.
10140
10141 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
10142
10143         PR rtl-optimization/20370
10144         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10145         call allocate_reg_info if necessary.
10146
10147         PR rtl-optimization/21848
10148         * calls.c (emit_library_call_value_1): For const functions, add
10149         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10150
10151         PR rtl-optimization/22445
10152         * cselib.c (target.h): Include.
10153         (rtx_equal_for_cselib_p): Allow commutative matches.
10154         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10155         Remove MODE parameter.  Changed all callers.
10156
10157         PR rtl-optimization/22258
10158         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10159         New functions.
10160         (try_combine): Use likely_spilled_retval_p.
10161
10162 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
10163
10164         * config.gcc: Add crx-elf support.
10165
10166         * doc/contrib.texi: Mention crx.
10167         * doc/extend.texi: Document crx extensions.
10168         * doc/install.texi: Document crx install.
10169         * doc/invoke.texi: Document crx options.
10170         * doc/md.texi: Document crx constraints.
10171
10172         * config/crx/crx-protos.h: New file.
10173         * config/crx/crx.c: New file.
10174         * config/crx/crx.h: New file.
10175         * config/crx/crx.md: New file.
10176         * config/crx/crx.opt: New file.
10177         * config/crx/t-crx: New file.
10178
10179 2005-07-22  Manfred Hollstein  <mh@suse.com>
10180
10181         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10182         warnings.
10183         (int_add_graph_edge): Likewise.
10184         (collapse_nodes): Likewise.
10185         (process_unification_queue): Likewise.
10186
10187 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10188             Laurent GUERBY  <laurent@guerby.net>
10189
10190         PR tree-optimization/22336
10191         * function.c (record_block_change): Check for
10192         cfun->ib_boundaries_block.
10193
10194 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10195
10196         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10197         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10198
10199 2005-07-21  DJ Delorie  <dj@redhat.com>
10200
10201         * toplev.c (warn_deprecated_use): Add warning control to warning
10202         call.
10203         * c-typeck.c (parser_build_binary_op): Likewise.
10204         (c_finish_if_stmt): Likewise.
10205         * c-common.c (check_function_sentinel): Likewise.
10206         (check_nonnull_arg): Likewise.
10207
10208 2005-07-21  Richard Henderson  <rth@redhat.com>
10209
10210         PR tree-opt/22504
10211         * tree-complex.c (complex_ssa_name_components): New.
10212         (cvc_lookup): Allow entry not found.
10213         (create_components): Remove.
10214         (create_one_component_var, get_component_var): New.
10215         (get_component_ssa_name, set_component_ssa_name): New.
10216         (extract_component): Use get_component_ssa_name.
10217         (update_complex_components): Use set_component_ssa_name.
10218         (update_complex_components_on_edge): Likewise.
10219         (update_phi_components): Create new PHI nodes directly, instead
10220         of adding insns to edges.
10221         (tree_lower_complex): Allocate and free complex_variable_components
10222         and complex_ssa_name_components here.
10223
10224 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10225
10226         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10227         revert to returning false.
10228
10229 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10230
10231         PR target/21149
10232         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10233
10234 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10235
10236         PR target/22576
10237         * config/i386/i386.md (cmpxf): Change operand constraints
10238         to "nonmemory_operand".
10239
10240 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10241
10242         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10243
10244 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10245
10246         PR middle-end/21180
10247         * fold-const.c (fold_build1): Add checksum for the operands.
10248         (fold_build2): Likewise.
10249         (fold_build3): Likewise.
10250
10251 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10252
10253         PR middle-end/19055
10254         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10255
10256 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10257
10258         * common.opt (-fforward-propagate): Committed by mistake,
10259         removed.
10260
10261 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10262
10263         * reg-stack.c: Fix comment typo(s).
10264         * tree-ssa-operands.c: Likewise.
10265         * tree-vectorizer: Likewise.
10266
10267 2005-07-21  Nick Clifton  <nickc@redhat.com>
10268
10269         * config/sh/symbian.c: Replace C++ style line comments with C
10270         style line comments.
10271         (symbian_add_attribute): Do not use a ? operator on the LHS of
10272         an assignment.
10273         (sh_symbian_handle_dll_attribute): Change the type of the
10274         method vector to "VEC(tree,gc)*" and use vector accessor
10275         macros to walk over the elements.
10276         (symbian_export_vtable_and_rtti_p): Likewise.
10277         (symbian_class_needs_attribute_p): Likewise.
10278
10279 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10280
10281         PR target/22085
10282         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10283         initialize targetm.resolve_overloaded_builtin here.
10284         (altivec_expand_overloaded_builtin): Make it non-static.
10285         * config/rs6000/rs6000-protos.h
10286         (altivec_expand_overloaded_builtin): New prototype.
10287         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10288         targetm.resolve_overloaded_builtin here.
10289         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10290
10291 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10292             Zdenek Dvorak  <dvorakz@suse.cz>
10293
10294         PR tree-optimization/19210
10295         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10296         New.
10297         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10298         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10299         rely on unproven assumptions.
10300         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10301         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10302         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10303         to number_of_iterations_exit.
10304         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10305         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10306         * tree-ssa-loop-niter.c (find_loop_niter,
10307         estimate_numbers_of_iterations_loop): Likewise.
10308         (number_of_iterations_exit): Honor the new options.
10309         * doc/invoke.texi (Wunsafe-loop-optimizations,
10310         funsafe-loop-optimizations): Document them.
10311
10312 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10313
10314         PR rtl-optimization/22167
10315         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10316
10317 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10318
10319         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10320         __do_global_dtors_aux longcall.
10321
10322 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10323
10324         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10325         (old_special_pred_table): Don't reference
10326         SPECIAL_MODE_PREDICATES.
10327         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10328         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10329         * config/sh/predicates.h: Don't mention
10330         SPECIAL_MODE_PREDICATES.
10331         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10332         Remove.
10333
10334 2005-07-20  DJ Delorie  <dj@redhat.com>
10335
10336         * config.gcc: Add m32c-elf support.
10337
10338         * doc/contrib.texi: Mention m32c.
10339         * doc/extend.texi: Document m32c extensions.
10340         * doc/install.texi: Mention m32c.
10341         * doc/invoke.texi: Document m32c options.
10342         * doc/md.texi: Document m32c constraints.
10343
10344         * config/m32c/addsub.md: New file.
10345         * config/m32c/bitops.md: New file.
10346         * config/m32c/cond.md: New file.
10347         * config/m32c/jump.md: New file.
10348         * config/m32c/m32c-lib1.S: New file.
10349         * config/m32c/m32c-lib2.c: New file.
10350         * config/m32c/m32c-modes.def: New file.
10351         * config/m32c/m32c-pragma.c: New file.
10352         * config/m32c/m32c-protos.h: New file.
10353         * config/m32c/m32c.abi: New file.
10354         * config/m32c/m32c.c: New file.
10355         * config/m32c/m32c.h: New file.
10356         * config/m32c/m32c.md: New file.
10357         * config/m32c/m32c.opt: New file.
10358         * config/m32c/minmax.md: New file.
10359         * config/m32c/mov.md: New file.
10360         * config/m32c/muldiv.md: New file.
10361         * config/m32c/predicates.md: New file.
10362         * config/m32c/prologue.md: New file.
10363         * config/m32c/shift.md: New file.
10364         * config/m32c/t-m32c: New file.
10365
10366 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10367
10368         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10369         (stack_protect_set, stack_protect_test): New expanders.
10370         (stack_protect_set_si, stack_protect_set_si_media,
10371         stack_protect_set_di_media, stack_protect_test_si,
10372         stack_protect_test_si_media, stack_protect_test_di_media):
10373         New insns.
10374
10375 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10376
10377         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10378
10379 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10380
10381         * tree.h (tree_expr_nonzero_p): Export.
10382         * fold-const.c (tree_expr_nonzero_p): Likewise.
10383         Return true for CALL_EXPRs that are alloca calls.
10384         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10385         against zero.
10386         * tree-flow.h (expr_computes_nonzero): Remove.
10387         * tree-vrp.c (expr_computes_nonzero): Remove.
10388         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10389         (extract_range_from_unary_expr): Likewise.
10390         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10391         tree_expr_nonzero_p.
10392
10393 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10394
10395         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10396         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10397         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10398         All callers changed.
10399         (frame_related_constant_load): New arg "related" which controls
10400         setting of RTX_FRAME_RELATED_P.  All callers changed.
10401         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10402         (bfin_expand_prologue): Add stack limit checking.
10403         * config/bfin/bfin.md (trapifcc): New pattern.
10404
10405         * config/bfin/bfin.c: Include "langhooks.h".
10406         (def_builtin): Go through lang_hooks to call builtin_function.
10407
10408         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10409         * config/bfin/predicates.md (symbol_ref_operand): New.
10410         (call_insn_operand): Delete.  All callers changed to use
10411         register_no_elim_operand.
10412         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10413         call_cookie field.
10414         (function_arg): Use it to generate the call's operand 2.
10415         (bfin_longcall_p): New function.
10416         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10417         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10418         determine if the address needs to be in a REG.
10419         (bfin_handle_longcall_attribute): New function.
10420         (bfin_attribute_table): Add "longcall" and "shortcall".
10421         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10422         (CUMULATIVE_ARGS): New member call_cookie.
10423         (PREDICATE_CODES): Add symbol_ref_operand.
10424         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10425         extra USE to the pattern.
10426         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10427         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10428         sibcall_value_insn; now the new patterns handle direct calls and the
10429         old ones indirect calls.
10430         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10431
10432 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10433
10434         * doc/trouble.texi: Update section on handling of empty loops.
10435
10436 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10437
10438         * config.gcc: Remove support for sparc-*-openbsd*,
10439         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10440         ns32k-*-netbsd*.
10441         * config.host: Remove support for i860-*-sysv4* as a host.
10442         * config/i860/*, config/ip2k/*, config/ns32k/*,
10443         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10444         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10445         mention obsolete ports.
10446
10447 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10448
10449         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10450         soft frame pointer.
10451         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10452         of frame_pointer_rtx.
10453         (sh_expand_epilogue): Likewise.
10454         (sh_set_return_address): Likewise.
10455         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10456         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10457         offsets from FRAME_POINTER_REGNUM.
10458         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10459         (sh_register_names): Add initializer for sfp.
10460         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10461         (VALID_REGISTER_P): Likewise.
10462         (FIRST_PSEUDO_REGISTER): Update.
10463         (DWARF_FRAME_REGISTERS): Define.
10464         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10465         (HARD_FRAME_POINTER_REGNUM): Define.
10466         (FRAME_POINTER_REGNUM): Redefine.
10467         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10468         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10469         from FRAME_POINTER_REGNUM.
10470         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10471         FRAME_POINTER_REGNUM.
10472         (REG_CLASS_CONTENTS): Add sfp.
10473         (REG_ALLOC_ORDER): Likewise.
10474         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10475         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10476         of frame_pointer_rtx.
10477         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10478
10479 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10480
10481         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10482         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10483         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10484         of an ABS_EXPR.
10485         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10486         ABS_EXPR<x>.
10487
10488 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10489
10490         Make CONSTRUCTOR use VEC to store initializers.
10491         * c-common.c (complete_array_type): Update to cope with VEC in
10492         CONSTRUCTOR_ELTS.
10493         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10494         (pp_c_constructor_elts): New function.
10495         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10496         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10497         struct constructor_stack, struct initializer_stack,
10498         constructor_elements, push_init_level, pop_init_level,
10499         add_pending_init, find_init_member, output_init_element): Update to
10500         cope with VEC in CONSTRUCTOR_ELTS.
10501         * coverage.c (build_fn_info_value, build_ctr_info_value,
10502         build_gcov_info): Likewise.
10503         * expr.c (categorize_ctor_elements_1, store_constructor,
10504         expand_expr_real_1): Likewise.
10505         * fold-const.c (fold_ternary): Likewise.
10506         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10507         gimplify_init_constructor, gimplify_expr): Likewise.
10508         * tree-dump.c (dequeue_and_dump): Likewise.
10509         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10510         node.
10511         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10512         CONSTRUCTOR_ELTS.
10513         * tree-sra.c (generate_element_init_1): Likewise.
10514         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10515         * tree-ssa-operands.c (get_expr_operands): Likewise.
10516         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10517         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10518         (get_initial_def_for_reduction): Likewise.
10519         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10520         value handle in annotations.
10521         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10522         tree_node_structure): Add support for constr_kind.
10523         (build_vector_from_ctor, build_constructor_single,
10524         build_constructor_from_list): New functions.
10525         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10526         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10527         Update to cope with VEC in CONSTRUCTOR_ELTS.
10528         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10529         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10530         CONSTRUCTOR_APPEND_ELT): New macros.
10531         (struct constructor_elt, struct tree_constructor): New data types.
10532         (union tree_node): Add tree_constructor field.
10533         * treestruct.def: Define TS_CONSTRUCTOR.
10534         * varasm.c (const_hash_1, compare_constant, copy_constant,
10535         compute_reloc_for_constant, output_addressed_constants,
10536         initializer_constant_valid_p, output_constant,
10537         array_size_for_constructor, output_constructor): Update to cope with
10538         VEC in CONSTRUCTOR_ELTS.
10539         * vec.h (VEC_empty, VEC_copy): New macros.
10540
10541 2005-07-19  Devang Patel  <dpatel@apple.com>
10542
10543         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10544
10545 2005-07-19  Richard Henderson  <rth@redhat.com>
10546
10547         PR tree-opt/22278
10548         * gimplify.c (gimplify_expr): Use main variant type for the temp
10549         destination for a discarded volatile read.
10550         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10551         casts between non-void types that change volatility.
10552
10553 2005-07-15  DJ Delorie  <dj@redhat.com>
10554
10555         * toplev.h: Add comment about the first parameter for warning().
10556         * errors.h: Likewise.
10557
10558         * c.opt (Wpragmas): New.
10559         * doc/invoke.texi: Document it.
10560
10561         * function.c (do_warn_unused_parameter): Add warning control to
10562         warning call.
10563         * c-decl.c (warn_if_shadowing): Likewise.
10564         * c-lex.c (cb_def_pragma): Likewise.
10565         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10566         (pop_alignment): Likewise.
10567         (handle_pragma_pack): Likewise.
10568         (apply_pragma_weak): Likewise.
10569         (handle_pragma_weak): Likewise.
10570         (handle_pragma_redefine_extname): Likewise.
10571         (add_to_renaming_pragma_list): Likewise.
10572         (handle_pragma_extern_prefix): Likewise.
10573         (maybe_apply_renaming_pragma): Likewise.
10574         (handle_pragma_visibility): Likewise.
10575
10576         * config/c4x/c4x-c.c (BAD): Likewise.
10577         (c4x_parse_pragma): Likewise.
10578         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10579         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10580         (rs6000_pragma_longcall): Likewise.
10581         * config/v850/v850-c.c (pop_data_area): Likewise.
10582         (ghs_pragma_section): Likewise.
10583         (ghs_pragma_section): Likewise.
10584         (ghs_pragma_interrupt): Likewise.
10585         (ghs_pragma_starttda): Likewise.
10586         (ghs_pragma_startsda): Likewise.
10587         (ghs_pragma_startzda): Likewise.
10588         (ghs_pragma_endtda): Likewise.
10589         (ghs_pragma_endsda): Likewise.
10590         (ghs_pragma_endzda): Likewise.
10591
10592 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10593             Kenneth Zadeck <zadeck@naturalbridge.com>
10594
10595         * Makefile.in: Removed tree-promote-statics.c
10596         * tree-promote-statics.c: Removed.
10597         * common.opt: Removed flag-promote-statics.
10598         * opts.c: Ditto.
10599         * passes.c: Removed tree-promote-statics pass.
10600         * tree-pass.h: Ditto.
10601         * timevar.def: Removed TV_PROMOTE_STATICS.
10602
10603
10604 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10605
10606         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10607         and *-*-freebsd9.
10608         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10609
10610 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10611
10612         PR c/22476
10613         * c-common.c (check_function_arguments): Call
10614         'check_function_format' if either -Wformat or
10615         -Wmissing-format-attribute are specified.
10616         * c-format.c (check_function_format): Check -Wformat before
10617         calling 'check_format_info'.
10618         * c-opts.c (c_common_post_options): Don't warn for
10619         -Wmissing-format-attribute without -Wformat.
10620         * c-typeck.c (convert_for_assignment): Detect additional cases for
10621         -Wmissing-format-attribute.
10622         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10623         behavior.
10624
10625 2005-07-19  Richard Guenther  <rguenther@suse.de>
10626
10627         * config/i386/i386.md (lrint<mode>2): Use temporary
10628         instead of clobbering non-existent memory.
10629
10630 2005-07-19  Nick Clifton  <nickc@redhat.com>
10631
10632         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10633         statement to avoid displaying ASCII control characters.
10634
10635 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10636
10637         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10638         * cfganal.c (find_edge_index): Ditto.
10639         * combine.c (combine_instructions): Ditto.
10640         * ddg.c (create_scc): Ditto.
10641         (find_successors): Ditto.
10642         (find_predecessors): Ditto.
10643         (find_nodes_on_paths): Ditto.
10644         (longest_simple_path): Ditto.
10645         * flow.c (update_life_info): Ditto.
10646         (count_or_remove_death_notes): Ditto.
10647         (clear_log_links): Ditto.
10648         * modulo-sched.c (generate_reg_moves): Ditto.
10649         (find_max_asap): Ditto.
10650         (find_max_hv_min_mob): Ditto.
10651         (find_max_dv_min_mob): Ditto.
10652         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10653         * sched-rgn.c (extract_edgelst): Ditto.
10654         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10655         (dump_update_ssa): Ditto.
10656         (ssa_names_to_replace) Ditto.
10657         (switch_virtuals_to_full_rewrite): Ditto.
10658         (update_ssa): Ditto.
10659         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10660
10661 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10662
10663         Fix PR tree-optimization/22483
10664
10665         * tree-complex.c (create_components): Use
10666         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10667         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10668         * tree-flow.h (safe_referenced_var_iterator): New structure.
10669         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10670         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10671         safe_referenced_var iterator.
10672         (add_type_alias): Ditto.
10673
10674 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10675
10676         * loop-init.c (rest_of_handle_loop2): Remove.
10677         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10678         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10679         (pass_rtl_loop_init, pass_rtl_loop_done,
10680         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10681         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10682         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10683         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10684         pass_tree_loop_done, and pass_tree_unswitch.
10685         (gate_loop): Rename to gate_tree_loop.
10686         * passes.c (init_optimization_passes): Update for renamed tree
10687         loop passes.  Add the new loop2 passes as subpasses of loop2.
10688         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10689         Update for the renamed tree loop passes.
10690
10691 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10692
10693         PR middle-end/22057
10694         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10695         blocks when optimizing.
10696
10697 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10698
10699         * common.opt (frename-registers): Initialize to 2.
10700         (fweb): Ditto.
10701         (fgcse-after-reload): Ditto.
10702         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10703         (process_options): Only change flag_web, flag_rename_registers,
10704         and flag_rerun_cse_after_loop if not explicitly set by user.
10705
10706 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10707
10708         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10709         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10710         in 64-bit mode the same as DImode in 32-bit mode.
10711         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10712         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10713         mode. Add new mode parameter.
10714         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10715         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10716         x86_64_shift_adj): New expanders.
10717         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10718         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10719         insns.
10720         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10721         DImode shift splitters.
10722         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10723         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10724         mode parameter.
10725
10726 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10727
10728         * i386.md (movdi_extzv_1): New.
10729         (zero_extendhidi2): Combine alternatives and never force use of
10730         REX64 prefix.
10731         (zero_extendqidi2): Likewise. Don't restrict input selection.
10732
10733 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10734
10735         Fix PR tree-optimization/22531
10736         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10737          moment.
10738
10739 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10740
10741         * tree-promote-statics.c (pass_promote_statics): Change dump file
10742          name.
10743
10744 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10745
10746         * tree-optimize.c (init_tree_optimization_passes): Add
10747         pass_eliminate_useless_stores pass.
10748         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10749         * tree-ssa-pre.c (is_copy_stmt): New function.
10750         (follow_copies_till_vuse): Ditto.
10751         (do_eustores): Ditto.
10752         (gate_eustores): Ditto.
10753
10754 2005-07-16  Richard Henderson  <rth@redhat.com>
10755
10756         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10757
10758 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10759            Kenneth Zadeck <zadeck@naturalbridge.com>
10760
10761         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10762         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10763         ipa-type-escape.h, tree-promote-statics.c
10764         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10765         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10766         tree-promote-statics.c: new files.
10767         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10768         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10769         int nonlocal_set_p, mark_constant_function): Deleted.
10770         (rest_of_handle_cfg): Removed call to mark_constant_function.
10771         (nonoverlapping_component_refs_p): Added calls to support
10772         type based aliasing.
10773         * tree-ssa-alias.c (may_alias_p,
10774         compute_flow_insensitive_aliasing): Ditto.
10775         * calls.c (flags_from_decl_or_type): Removed reference to
10776         cgraph_rtl_info.
10777         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10778         too many arguments.  This is necessary for Spec 2000.
10779         * cgraph.h (const_function, pure_function): Removed.
10780         * common.opt: Added "fipa-pure-const", "fipa-reference",
10781         "fipa-type-escape", and "ftree-promote-static".
10782         * opts.c: Ditto.
10783         * passes.c: Added ipa and tree-promote-statics passes.
10784         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10785         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10786         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10787         * tree-flow.h: Added exposed sra calls and addition of
10788         reference_vars_info field for FUNCTION_DECLS.
10789         * tree-pass.h: Added passes.
10790         * tree-sra.c: (sra_init_cache): New function.
10791         (sra_insert_before, sra_insert_after) Made public.
10792         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10793         and made public.
10794         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10795         aliasing. (may_alias_p): Added code to use type escape analysis to
10796         improve alias sets.
10797         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10798         code to prune clobbers of static variables based on information
10799         produced in ipa-reference pass.  Changed call clobbering so that
10800         statics are not marked as clobbered if the call does not clobber
10801         them.
10802
10803 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10804
10805         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10806         too.
10807
10808 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10809
10810         * doc/install.texi (*-*-solaris2*): Document recommended version
10811         of GNU binutils and mention GNU linker problem on Solaris 10.
10812
10813 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10814
10815         PR c/22421
10816         * c-decl.c (c_build_bitfield_integer_type): New function.
10817         (finish_struct): Call it.
10818         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10819
10820 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10821
10822         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10823         before returning.
10824
10825 2005-07-16  Jan Hubicka  <jh@suse.cz>
10826
10827         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10828         (scale_bbs_frequencies_int): Watch roundoff errors.
10829         * predict.c (return_prediction): Initialize return_stmt.
10830
10831 2005-07-16  Jan Hubicka  <jh@suse.cz>
10832
10833         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10834         after RTL profiling.
10835
10836 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10837
10838         PR middle-end/22398
10839         * fold-const.c (build_range_check): Convert high/low to etype
10840         if we are only comparing against exp.
10841
10842 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10843
10844         Fix PR tree-optimization/22376
10845         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10846         special var here.
10847         (need_to_solve): New function.
10848         (compute_points_to_sets): Use it.
10849
10850 2005-07-15  Jan Hubicka  <jh@suse.cz>
10851
10852         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10853         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10854
10855 2005-07-15  Richard Guenther  <rguenther@suse.de>
10856
10857         * c-common.c (handle_flatten_attribute): New function.
10858         Add flatten function attribute.
10859         * doc/extend.texi: Document flatten function attribute.
10860         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10861         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10862         New functions.
10863         (cgraph_decide_inlining): Handle functions with flatten
10864         attribute.
10865
10866 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10867
10868         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10869         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10870         UNSPEC_XCHG, UNSPEC_AND): New.
10871         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10872         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10873         * config/rs6000/sync.md (FETCHOP): New code macro.
10874         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10875         New code attrs.
10876         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10877         (sync_compare_and_swap<mode>): Same.
10878         (sync_lock_test_and_set<mode>): Same.
10879         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10880         for QImode and HImode, and not PPC405.
10881         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10882         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10883         (sync_<fetchop>{si,di}_internal): New.
10884         (sync_nand{si,di}_internal): New.
10885         (sync_old_<fetchop>{si,di}_internal): New.
10886         (sync_old_nand{si,di}_internal): New
10887         (sync_new_<fetchop>{si,di}_internal): New.
10888         (sync_new_nand{si,di}_internal): New.
10889         (atomic_and{si,di}): New.
10890         (sync_new_nand{si,di}_internal): New.
10891         (atomic_and{si,di}): New.
10892         (sync_add<mode>_internal): Delete.
10893         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10894         (sync_sub<mode>_internal): Delte.
10895         (sync_subshort_internal): New.
10896         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10897         (sync_anddi_internal): Delete.
10898         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10899         (sync_booldi_internal): Delete.
10900         (sync_boolc<mode>_internal): Delete.
10901         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10902         (sync_boolc<mode>_internal2): Delete.
10903         (sync_boolcc<mode>_internal): Delete.
10904         (isync, lwsync): Use unspec instead of unspec_volatile.
10905         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10906         Revert UNSPEC_VOLATILE.
10907         (rs6000_split_atomic_op): New.
10908         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10909
10910 2005-07-14  Eric Christopher  <echristo@redhat.com>
10911
10912         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10913         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10914
10915 2005-07-14  Eric Christopher  <echristo@redhat.com>
10916
10917         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10918
10919 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10920
10921         PR tree-optimization/22230
10922         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10923         the computation of the four cross productions for "range op range".
10924
10925 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10926             Ulrich Weigand  <uweigand@de.ibm.com>
10927
10928         PR target/20126
10929         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10930         in some insn.
10931
10932 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10933
10934         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10935
10936 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10937
10938         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10939
10940 2005-07-14  Richard Guenther  <rguenther@suse.de>
10941
10942         PR middle-end/22347
10943         * config/i386/i386-protos.h (ix86_function_value): Change
10944         prototype to match new target hook.
10945         * config/i386/i386.c (ix86_value_regno): Change prototype
10946         to take extra type argument.
10947         (TARGET_FUNCTION_VALUE): Define.
10948         (ix86_function_ok_for_sibcall): Pass extra argument to
10949         ix86_value_regno, check return slot rtx for exact match.
10950         (ix86_function_value): Take extra parameter.  Dispatch to
10951         ix86_value_regno with fndecl/fntype as provided.
10952         (ix86_value_regno): Handle extra type argument.
10953         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10954
10955         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10956         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10957         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10958         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10959         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10960
10961 2005-07-14  Richard Guenther  <rguenther@suse.de>
10962
10963         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10964         * calls.c (expand_call): Pass fntype to hard_function_value.
10965         (emit_library_call_value_1): Likewise.
10966         * explow.c: Include target.h.
10967         (hard_function_value): Take extra argument, the fntype.
10968         Use new target hook for function_value.
10969         * expr.h (hard_function_value): Change prototype.
10970         * function.c (aggregate_value_p): Pass 0 as fntype to
10971         hard_function_value.
10972         (assign_parms): Use new target hook for function_value.
10973         Pass 0 as fntype to hard_function_value.
10974         (expand_function_end): Likewise.
10975         * reg-stack.c: Include target.h.
10976         (stack_result): Use new target hook for function_value.
10977         * target-def.h: New target hook function_value.
10978         * target.h: Likewise.
10979         * targhooks.c (default_function_value): New function.
10980         * targhooks.h (default_function_value): Declare.
10981
10982 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10983
10984         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10985
10986 2005-07-14  Jan Hubicka  <jh@suse.cz>
10987
10988         * tree-dfa.c (dump_variable): Use default_def function.
10989         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10990         * tree-ssa.c (verify_use): Likewise.
10991         * tree-ssanames.c (release_ssa_name): Likewise.
10992         * tree-tailcall.c (eliminate_tail_call): Likewise.
10993         (tree_optimize_tail_calls_1): Likewise.
10994         * tree-vrp.c (get_value_range): Likewise.
10995
10996 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10997
10998         * gcc.c (main): Compare language[0] with '*' when iterating over
10999         the infiles.
11000
11001 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11002
11003         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11004         "s390_emit_compare".  Add handling of CCZ1mode.
11005         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11006         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11007         checking.
11008         (s390_branch_condition_mask): Add CCZ1mode handling.
11009         * config/s390/s390.md: ("seq", "*seq"): New pattern.
11010         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11011         Use CCZ1mode instead of CCZmode.
11012         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
11013
11014 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11015
11016         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11017         pattern.
11018         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11019
11020 2005-07-13  Eric Christopher  <echristo@redhat.com>
11021
11022         * config/mips/mips.c (mips_canonicalize_comparison): New.
11023         (mips_emit_int_relational): Use.
11024
11025 2005-07-13  Eric Christopher  <echristo@redhat.com>
11026
11027         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11028         static extra parts.
11029         * config/s390/s390.md: Include tpf.md. Move tpf specific
11030         patterns...
11031         * config/s390/tpf.md: To here.
11032         * config/s390/s390.opt: Move tpf specific options...
11033         * config/s390/tpf.opt: to here. Add mmain option.
11034         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11035         * config/s390/tpf.h: Rewrite.
11036
11037 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11038
11039         * doc/tm.texi: Remove @xref{Cross-profiling}.
11040
11041 2005-07-13  Jeff Law  <law@redhat.com>
11042
11043         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11044         expressions, test their _DECL operands for pointer equality rather
11045         than using operand_equal_p.
11046
11047 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11048
11049         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11050         (TARGET_POSIX_IO): This.
11051         * config/darwin.h: Likewise.
11052         * config/freebsd.h: Likewise.
11053         * config/linux.h: Likewise.
11054         * config/lynx.h: Likewise.
11055         * config/netbsd.h: Likewise.
11056         * config/rs6000/linux64.h: Likewise.
11057         * config/rs6000/linux.h: Likewise.
11058         * config/s390/tpf.h: Likewise.
11059         * config/sh/embed-elf.h: Likewise.
11060         * config/sparc/linux64.h: Likewise.
11061         * config/sparc/linux.h: Likewise.
11062         * config/svr4.h: Likewise.
11063         * gcov-io.h: Likewise.
11064
11065         * doc/tm.texi: Updated.
11066
11067         * libgcov.c (create_file_directory): Defined only if
11068         TARGET_POSIX_IO is defined.
11069         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11070         is defined.
11071
11072 2005-07-13  Jan Hubicka  <jh@suse.cz>
11073
11074         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11075
11076 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
11077
11078         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11079         structure as argument.
11080
11081 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
11082
11083         PR tree-optimization/21921
11084         * tree-iterator.c (tsi_link_before): Support the case when
11085         tsi_end_p (tsi) == true.
11086
11087 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11088
11089         PR tree-optimization/22442
11090         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11091         correctly.
11092
11093 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11094
11095         PR rtl-optimization/20376
11096         * toplev.c (process_options): Enable -fweb and -frename-registers when
11097         unrolling.
11098         * doc/invoke.texi: Update the information about when -fweb and
11099         -frename-registers are enabled.
11100
11101 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11102
11103         PR tree-opt/21840
11104         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11105         if *rhs_p is not a SSA_NAME.
11106
11107 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
11108
11109         Fix PR tree-optimization/22422
11110         * tree-ssa-structalias.c (struct variable_info): Add flag for
11111         special vars.
11112         (get_varinfo): Now a static function.
11113         (new_varinfo): init has_union and is_special_var to false.
11114         (solution_set_add): Check has_union.
11115         (do_da_constraint): Move temporary variable so it gets reset
11116         properly.
11117         Also check for special variable.
11118         (do_ds_constraint): Ditto.
11119         (do_sd_constraint): Ditto.
11120         (do_structure_copy): Check for special variable.
11121         (find_func_aliases): Ditto.
11122         (init_base_vars): Set special vars properly.
11123
11124 2005-07-13  Jan Hubicka  <jh@suse.cz>
11125
11126         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11127         do unit-at-a-time.
11128
11129         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11130         (get_expr_operands): Fix thinko wrt flags and subvars.
11131
11132         PR tree-optimize/22379
11133         * tree-inline.c (expand_call_inline): Do not output sorry in early
11134         inlining.
11135
11136 2005-07-12  Dale Johannesen  <dalej@apple.com>
11137
11138         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
11139
11140 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11141
11142         PR bootstrap/21704
11143         * host-linux.h: Include limits.h.
11144
11145 2005-07-12  Dale Johannesen  <dalej@apple.com>
11146
11147         * expr.c (compress_float_constant):  Add cost check.
11148         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
11149
11150 2005-07-12  Dale Johannesen  <dalej@apple.com>
11151
11152         * gcc.target/i386/compress-float-sse.c:  New.
11153         * gcc.target/i386/compress-float-sse-pic.c:  New.
11154         * gcc.target/i386/compress-float-387.c:  New.
11155         * gcc.target/i386/compress-float-387-pic.c:  New.
11156         * gcc.dg/compress-float-ppc.c:  New.
11157         * gcc.dg/compress-float-ppc-pic.c:  New.
11158
11159 2005-07-12  Eric Christopher  <echristo@redhat.com>
11160
11161         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11162         static extra parts.
11163         * config/s390/s390.md: Include tpf.md. Move tpf specific
11164         patterns...
11165         * config/s390/tpf.md: To here.
11166         * config/s390/s390.opt: Move tpf specific options...
11167         * config/s390/tpf.opt: to here. Add mmain option.
11168         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11169         * config/s390/tpf.h: Rewrite.
11170
11171 2005-07-12  Eric Christopher  <echristo@redhat.com>
11172
11173         * gcc.c (struct infile): Update comment for language.
11174         (main): Rewrite input file resetting code.
11175
11176 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11177
11178         PR tree-opt/22335
11179         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11180         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11181         (lookup_avail_expr): Use constant_boolean_node instead
11182         of boolean_false_node/boolean_true_node.
11183
11184 2005-07-12  Ben Elliston  <bje@au.ibm.com>
11185
11186         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11187         and use it when printing num_edges.
11188
11189 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11190
11191         * doc/extend.texi (Blackfin Built-in Functions): New section.
11192         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11193         @opindex.
11194
11195 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11196
11197         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11198         s/cmpstrsi/cmpstrnsi
11199         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11200         'cmpstrnsi'.
11201         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11202         (init_optabs): Initialize cmpstrn_optab.
11203         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11204         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11205         * expr.c: (enum insn_code cmpstrn_optab): Declare.
11206         * config/i386/i386.md: s/cmpstr/cmpstrn
11207         * config/c4x/c4x.md: s/cmpstr/cmpstrn
11208         * doc/md.texi: Update documentation.
11209
11210 2005-07-11  Richard Henderson  <rth@redhat.com>
11211
11212         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11213         build_va_arg_indirect_ref.
11214         (alpha_gimplify_va_arg): Likewise.
11215         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11216         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11217         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11218         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11219         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11220         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11221         Likewise.
11222         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11223
11224 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11225
11226         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11227         * passes.c (init_optimization_passes): Add pass_empty_loop.
11228         * tree-pass.h (pass_empty_loop): Declare.
11229         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11230         try_remove_empty_loop, remove_empty_loops): New functions.
11231         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11232         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11233
11234 2005-07-12  Peter Barada  <peter@the-baradas.com>
11235
11236         PR middle-end/16719
11237         PR middle-end/18421
11238         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11239         in address registers.
11240         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11241         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11242         alternative of addsi3_5200.
11243
11244 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11245
11246         * config/mips/mips.md (ffs<mode>2): Remove.
11247
11248 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11249
11250         * doc/tree-ssa.texi (Cleanups): Improve description of
11251         TRY_FINALLY_EXPR.
11252         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11253
11254 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11255
11256         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11257         * tree.h (DECL_ARGUMENT_FLD): New macro.
11258
11259 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11260
11261         Fix PR tree-optimization/22404
11262
11263         * tree-ssa-structalias.c (create_variable_info_for): Use
11264         correct offset.
11265
11266 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11267
11268         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11269         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11270         for second comparison operand.
11271         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11272
11273         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11274         (define_insn_reservation "alu"): Likewise.
11275         (csync, ssync): Now of type sync.
11276         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11277         -mcsync-anomaly -mspecld-anomaly.
11278         * config/bfin/bfin.opt (mcsync): Remove.
11279         (mcsync-anomaly, mspecld-anomaly): Add.
11280         * config/bfin/bfin.c: Include "insn-codes.h".
11281         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11282         (TARGET_DEFAULT_TARGET_FLAGS): New.
11283         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11284
11285 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11286
11287         * basic-block.h: Give the BB flags enum a name, bb_flags.
11288         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11289         * cfgcleanup.c (enum bb_flags): Remove here.
11290         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11291         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11292         (update_forwarder_flag): Likewise.
11293         (thread_jump): Likewise.
11294         (try_forward_edges): Likewise.
11295         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11296         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11297         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11298
11299 2005-07-11  Richard Guenther  <rguenther@suse.de>
11300
11301         * config/i386/i386.opt: New target option -msseregparm.
11302         * config/i386/i386.c (override_options): Error out for
11303         -msseregparm but no SSE support.
11304         (ix86_function_sseregparm): Check for global sseregparm.
11305         * doc/invoke.texi: Document -msseregparm.
11306
11307 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11308
11309         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11310         (m32rle-*-linux*): Ditto.
11311
11312 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11313
11314         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11315         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11316         bytes.
11317
11318 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11319
11320         PR middle-end/22239
11321         PR target/20126
11322         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11323         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11324
11325 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11326
11327         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11328         (varmap): Heapify varmap.
11329         (constraints): Heapify constraints.
11330         (struct constraint_graph): Heapify succs and preds.
11331         (constraint_vec_find): Update for heapification.
11332         (constraint_set_union): Ditto.
11333         (insert_into_complex): Ditto.
11334         (constraint_edge_vec_find): Ditto.
11335         (erase_graph_self_edge): Ditto.
11336         (add_graph_edge): Ditto.
11337         (get_graph_weights): Ditto.
11338         (merge_graph_nodes): Ditto.
11339         (build_constraint_graph): Ditto.
11340         (topo_visit): Ditto.
11341         (solve_graph): Ditto.
11342         (create_variable_info_for): Ditto.
11343         (init_base_vars): Ditto.
11344         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11345         (condese_varmap_nodes): Free complex vector.
11346         (clear_edges_for_node): Clear succs and preds vector.
11347
11348 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11349
11350         * tree-ssa-structalias.c (update_alias_info): Change counting of
11351         references to not include vdefs.
11352
11353 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11354
11355         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11356         (up_insert): Ditto.
11357
11358 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11359
11360         * pa.c (pa_commutative_p): Make PLUS commutative when
11361         TARGET_NO_SPACE_REGS is true.
11362
11363 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11364
11365         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11366         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11367         * tree-dfa.c (dump_subvars_for): New.
11368         (debug_subvars_for): New.
11369         (dump_variable): Show subvariables if VAR has them.
11370         * tree-flow-inline.h (get_subvar_at): New.
11371         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11372         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11373         Update all users.
11374         (struct subvar): Change fields offset and size to unsigned
11375         HOST_WIDE_INT.
11376         (dump_subvars_for): Declare.
11377         (debug_subvars_for): Declare.
11378         (get_subvar_at): Declare.
11379         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11380         to unsigned HOST_WIDE_INT *.
11381         (overlap_subvar): Likewise.
11382         * tree-gimple.c (is_gimple_reg): Always return false for
11383         SFTs and memory tags.
11384         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11385         Update all callers.
11386         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11387         (compute_may_aliases): Call compute_points_to_sets.
11388         (collect_points_to_info_for): Remove.
11389         (compute_points_to_and_addr_escape): Remove.
11390         (delete_alias_info): Call delete_points_to_sets.
11391         (compute_flow_sensitive_aliasing): If the call to
11392         find_what_p_points_to returns false, call set_pt_anything.
11393         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11394         (set_pt_anything): Clear pi->pt_vars.
11395         (set_pt_malloc): Remove.
11396         (merge_pointed_to_info): Remove.
11397         (add_pointed_to_expr): Remove.
11398         (add_pointed_to_var): Remove.
11399         (collect_points_to_info_r): Remove.
11400         (is_escape_site): Make extern.
11401         (create_sft): New.
11402         (create_overlap_variables_for): Call it.
11403         * tree-ssa-copy.c (merge_alias_info): Never merge
11404         flow-sensitive alias information.
11405         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11406         offset and size to be unsigned HOST_WIDE_INT.
11407         (add_to_addressable_set): Rename from note_addressable.
11408         Set TREE_ADDRESSABLE as the variables are added to the set.
11409         Update all users.
11410         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11411         operands into VUSEs when adding V_MAY_DEFs for members in an
11412         alias set.
11413         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11414         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11415         (struct variable_info): Add bitfield is_heap_var.
11416         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11417         (new_var_info): Initialize is_heap_var.
11418         (get_constraint_for): Add HEAP variables to the symbol table.
11419         Mark them with is_heap_var.
11420         (update_alias_info): New.  Taken mostly from the old
11421         compute_points_to_and_addr_escape.
11422         (handle_ptr_arith): New.
11423         (find_func_aliases): Call update_alias_info.
11424         Call handle_ptr_info for tcc_binary expressions.
11425         Call mark_stmt_modified.
11426         (create_variable_info_for): If DECL has subvars, do not create
11427         variables for its subvars.  Always add all the fields.
11428         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11429         SFTs, then add all the SFTs of the structure.
11430         If VI->DECL is an aggregate with subvariables, add the SFT at
11431         VI->OFFSET.
11432         (find_what_p_points_to): If VI is an artificial variable,
11433         translate to bitfields in SSA_NAME_PTR_INFO.
11434         If the solution is empty, set pi->pt_vars to NULL
11435         (init_base_vars): Create ANYOFFSET.
11436         (compute_points_to_sets): Rename from create_alias_vars.
11437         Make extern.
11438         (pass_build_pta): Remove.
11439         (delete_points_to_sets): Rename from delete_alias_vars.
11440         (pass_del_pta): Remove.
11441         * tree-ssa-structalias.h (struct alias_info): Move from
11442         tree-ssa-alias.h.
11443         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11444         NUM_REFERENCES_SET): Likewise.
11445         (compute_points_to_sets, delete_points_to_sets): Declare.
11446
11447 2005-07-09  Richard Henderson  <rth@redhat.com>
11448
11449         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11450         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11451         alpha_split_lock_test_and_set_12): New functions.
11452         * config/alpha/alpha-protos.h: Update.
11453         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11454         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11455         * config/alpha/sync.md (I12MODE): New.
11456         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11457         (sync_<fetchop_name><I48MODE>): Likewise.
11458         (sync_nand<I48MODE>): Likewise.
11459         (sync_old_<fetchop_name><I48MODE>): Likewise.
11460         (sync_new_<fetchop_name><I48MODE>): Likewise.
11461         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11462         (sync_compare_and_swap<I48MODE>): Likewise.
11463         (sync_lock_test_and_set<I48MODE>): Likewise.
11464         (sync_compare_and_swap<I12MODE>): New.
11465         (sync_compare_and_swap<I12MODE>_1): New.
11466         (sync_lock_test_and_set<I12MODE>): New.
11467         (sync_lock_test_and_set<I12MODE>_1): New.
11468
11469 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11470
11471         PR 21356
11472         PR 22332
11473         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11474
11475 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11476
11477         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11478         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11479
11480 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11481
11482         PR target/21656
11483         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11484
11485 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11486
11487         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11488         memory_operand constraint.
11489         (store_conditional_<mode>): Same.
11490         (sync_compare_and_swap<mode>): Same.
11491         (sync_lock_test_and_set<mode>): Same.
11492
11493 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11494
11495         Rewrite PIC support to more closely model actual instructions.
11496         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11497         (cris_symbol): Remove prototypes for removed functions.
11498         (cris_pic_symbol_type_of, cris_valid_pic_const)
11499         (cris_expand_pic_call_address): Prototypes for new functions.
11500         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11501         variable.
11502         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11503         modifiers.
11504         <case ':'>: Add case for new punctuation character.
11505         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11506         emitting (extra) PIC modifier.
11507         <case UNSPEC>: Do not assert for PLT.
11508         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11509         (cris_expand_prologue, cris_expand_epilogue): Check
11510         for pic_offset_table_rtx usage instead of taking
11511         current_function_uses_pic_offset_table as the final word.
11512         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11513         Remove flag_pic difference.
11514         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11515         the moral equivalents of...
11516         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11517         functions.
11518         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11519         (cris_handle_option): Mark ARG as unused.
11520         (cris_expand_pic_call_address): New worker function for "call",
11521         "call_value".
11522         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11523         output PIC constructs here.
11524         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11525         as symbol-specific modifers, not whole or part of operands.
11526         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11527         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11528         constants and flag_pic.
11529         (CONSTANT_INDEX_P): Adjust for new functions.
11530         (enum cris_pic_symbol_type): New helper type.
11531         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11532         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11533         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11534         define_constants.
11535         ("movsi"): Emit actual instructions for GOT and relative access.
11536         ("*movsi_got_load"): New pattern to set up the register holding
11537         the GOT pointer.
11538         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11539         Adjust FIXME for 'S'.
11540         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11541         Use "movs" for -fpic cases.
11542         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11543         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11544         ("call", "call_value"): Just call cris_expand_pic_call_address for
11545         PIC addresses.
11546         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11547         Remove special pattern.
11548         ("*expanded_call_side", "*expanded_call_value_side"): New
11549         patterns.
11550         (gotplt-to-plt, gotplt-to-plt-side-call)
11551         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11552         peephole2:s.
11553         * config/cris/cris/predicates.md
11554         ("cris_general_operand_or_gotless_symbol"): Remove unused
11555         predicate.
11556         ("cris_general_operand_or_symbol"): Adjust for new functions.
11557
11558 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11559
11560         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11561
11562 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11563
11564         * Makefile.in (TREE_H): Add treestruct.def.
11565         (c-decl.o): Add pointer-set.h
11566         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11567         visibility on regular DECL's.
11568         (merge_decls): Fix the copying of decl nodes of various types for
11569         the new structures.  Don't update RTL, section name, weak status,
11570         etc, on DECL's without RTL.
11571         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11572         Don't check volatile on non-variable types.
11573         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11574         to check whether we have seen arguments.
11575         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11576         flag is checked before field (flag is common, field is not).
11577         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11578         TS_DECL_COMMON could have an origin.
11579         (add_location_or_const_value_attribute): Don't check section name
11580         on non-var/function decls.
11581         (dwarf2out_var_location): Reverse order of tests.
11582         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11583         with DECL_WRTL_CHECK.
11584         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11585         * fold-const.c (fold_binary): Don't check weakness on
11586         non-var/function decls.
11587         (tree_expr_nonzero_p): Ditto.
11588         (fold_checksum_tree): Use tree_decl_extra as sizeof
11589         buffer.
11590         * ggc-page.c (extra_order_size_table): Add sizes for
11591         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11592         tree_field_decl.
11593         * gimplify.c (gimplify_bind_expr): Only set
11594         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11595         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11596         without RTL.
11597         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11598         * langhooks.h (init_ts). New langhook.
11599         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11600         * print-tree.c (print_node): Update to only print fields that
11601         exist in the structures the passed decl has.
11602         * toplev.c (wrapup_global_declarations): Don't reset
11603         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11604         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11605         * tree-inline.c (remap_decl): Ditto.
11606         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11607         * tree-pretty-print.c (print_declaration): Don't print
11608         DECL_REGISTER on things that don't contain it.
11609         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11610         non-var/function decls.
11611         * tree.c (tree_contains_struct): New structure.
11612         (init_priority_for_decl): New hashtable.
11613         (tree_int_map): New structure.
11614         (tree_int_map_eq): New function.
11615         (tree_int_map_marked_p): Ditto.
11616         (tree_int_map_hash): Ditto.
11617         (tree_map): Move to tree.h.
11618         (tree_map_eq): Externalize.
11619         (tree_map_hash): Ditto.
11620         (tree_map_marked_p): Ditto.
11621         (init_ttree): Set up tree_contains_struct and call langhook.
11622         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11623         (tree_code_size): Update for new structures.
11624         (tree_node_structure): Update for new structures.
11625         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11626         without the field.
11627         (copy_node_stat):  Copy init priority.
11628         (build_decl_stat): Ditto for visibility.
11629         (ts_enum_names): New.
11630         (tree_contains_struct_check_failed): New function.
11631         (decl_init_priority_lookup): Ditto.
11632         (decl_init_priority_insert): Ditto.
11633         * treestruct.def: New file.
11634         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11635         (CONTAINS_STRUCT_CHECK): Ditto.
11636         (tree_contains_struct_check_failed): New prototype.
11637         (DECL_CHECK): Removed.
11638         (DECL_MINIMAL_CHECK): New.
11639         (DECL_COMMON_CHECK): Ditto.
11640         (DECL_WRTL_CHECK): Ditto.
11641         (DECL_NON_COMMON_CHECK): Ditto.
11642         (DECL_WITH_VIS_CHECK): Ditto.
11643         (VAR_OR_FUNCTION_DECL_P): Ditto
11644         (struct tree_decl_minimal): New structure.
11645         (struct tree_decl_common): Ditto.
11646         (struct tree_decl_with_rtl): Ditto.
11647         (struct tree_decl_with_vis): Ditto.
11648         (struct tree_decl_non_common): Ditto.
11649         (struct tree_field_decl): Ditto.
11650         (struct tree_parm_decl): Ditto.
11651         (struct tree_var_decl): Ditto.
11652         (struct tree_function_decl): Ditto.
11653         (struct tree_const_decl): Ditto.
11654         (struct tree_result_decl): Ditto.
11655         (union tree_node): Add new structures.
11656         * var-tracking.c (track_expr_p): Reverse order of tests.
11657
11658         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11659
11660 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11661
11662         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11663         * system.h: Poison FINALIZE_PIC.
11664         * doc/tm.texi (FINALIZE_PIC): Remove.
11665
11666 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11667
11668         PR tree-opt/22329
11669         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11670         to the correct type if we have a MODIFY_EXPR.
11671
11672 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11673
11674         PR tree-optimization/22360
11675         * tree.c (upper_bound_in_type): Fix calculations for casting
11676         to a non-wider signed type and casting a signed value to a
11677         wider unsigned type.
11678         (lower_bound_in_type): Fix calculations for casting to a
11679         non-wider signed type.
11680
11681         PR tree-optimization/20139
11682         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11683         release_defs.
11684         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11685         fold_cond_expr_cond.
11686         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11687         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11688
11689 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11690
11691         PR tree-opt/22356
11692         * tree-complex.c (expand_complex_libcall): Produce
11693         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11694
11695 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11696
11697         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11698         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11699         b" assert and inserted fastpath code for this case.
11700         (bitmap_ior): Removed "a != b" assert.
11701
11702 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11703
11704         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11705         (ENDFILE_SPEC): Likewise.
11706         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11707
11708         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11709         a large stack frame at epilogue.
11710
11711 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11712
11713         * final.c: Include sdbout.h when required.
11714
11715 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11716
11717         * config.gcc (*-*-darwin*): Only one target-specific header file
11718         for generic darwin.
11719         (powerpc-*-darwin*): Add version-specific header files.
11720         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11721         * config.in: Regenerate.
11722         * configure: Regenerate.
11723         * gcc.c: Include xregex.h.
11724         (version_compare_spec_function): New.
11725         (spec_function): Add version-compare.
11726         (replace_outfile_spec_function): Reformat comment.
11727         (compare_version_strings): New.
11728         * config/darwin-c.c (version_as_macro): New.
11729         (builtin_define): New.
11730         (darwin_cpp_builtins): New.
11731         * config/darwin-protos.h (darwin_cpp_builtins): New.
11732         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11733         (LIB_SPEC): Make unconditional, update comment.
11734         (TARGET_C99_FUNCTIONS): Define.
11735         * config/darwin.opt: Sort.
11736         (mmacosx-version-min=): New.
11737         * config/darwin7.h: Delete.
11738         * config/darwin8.h: Delete.
11739         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11740         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11741         (TARGET_C99_FUNCTIONS): Define.
11742         * config/rs6000/darwin7.h: New.
11743         * config/rs6000/darwin8.h: New.
11744         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11745         (-mmacosx-version-min): Document.
11746
11747 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11748
11749         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11750
11751 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11752
11753         PR middle-end/22239
11754         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11755
11756 2005-07-07  Khem Raj  <kraj@mvista.com>
11757
11758         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11759         in bytes, not words.
11760
11761 2005-07-07  Paul Brook  <paul@codesourcery.com>
11762
11763         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11764         DEFAULT_FUNCTION_ARG_PADDING to upward.
11765
11766 2005-07-07  Richard Henderson  <rth@redhat.com>
11767
11768         * function.c (locate_and_pad_parm): Record parameter alignment in
11769         stack_alignment_needed.
11770
11771 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11772
11773         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11774         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11775         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11776         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11777         (define_attr "type"): Add isync, sync, load_l, store_c.
11778         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11779         Create scratch volatile MEM.
11780         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11781         sync.
11782         (load_locked_<mode>): New.
11783         (store_conditional_<mode>): New.
11784         (sync_compare_and_swap<mode>): Replace with splitter.
11785         (sync_lock_test_and_set<mode>): Replace with splitter.
11786         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11787         and UNSPECV_ISYNC.
11788         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11789         is ics.  Attribute isync.
11790         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11791         lwsync.
11792         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11793         and UNSPECV_SYNC_OP.
11794         (emit_unlikely_jump): New.
11795         (emit_load_locked): New.
11796         (emit_store_conditional): New.
11797         (rs6000_split_compare_and_swap): New.
11798         (rs6000_split_lock_test_and_set): New.
11799         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11800         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11801         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11802         rs6000_split_lock_test_and_set): Declare.
11803         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11804         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11805         store_c, isync, sync.
11806
11807 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11808
11809         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11810         filenames to gtyp-gen.h.
11811         (s-typ-gen): Use it in place of for loops.
11812
11813 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11814
11815         * hooks.c (hook_bool_rtx_int_false): New function.
11816         * hooks.h (hook_bool_rtx_int_false): Declare.
11817         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11818         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11819         * target.h (struct gcc_target): Add commutative_p member.
11820         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11821         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11822         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11823         (pa_commutative_p): New function.
11824         * jump.c (target.h): Include.
11825         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11826         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11827
11828 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11829
11830         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11831         (s390_expand_setmem): New.
11832         * config/s390/s390.c: Likewise.
11833         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11834         Adapt comments.
11835         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11836         general_operand.  Call new function "s390_expand_setmem".
11837         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11838         ("setmem_long", "*setmem_long"): ... this.
11839
11840 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11841
11842         * config/s390/s390.c: (optimization_options): Enable
11843         TARGET_MVCLE at -Os.
11844         * doc/invoke.texi: Document changes in default behaviour.
11845         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11846
11847 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11848
11849         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11850         defined by back-end.
11851
11852 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11853
11854         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11855         all sets in the pattern.
11856         * config/rs6000/rs6000.md (stack_protect_testsi,
11857         stack_protect_testdi): Likewise.
11858
11859 2005-07-06  Jeff Law  <law@redhat.com>
11860
11861         * tree-vrp.c (simplify_using_ranges): Kill.
11862         (vrp_finalize): Remove call to simplify_using_ranges.
11863         (simplify_stmt_using_ranges): New function extracted from
11864         simplify_using_ranges.
11865         (simplify_div_or_mod_using_ranges): Likewise.
11866         (simplify_abs_using_ranges): Likewise.
11867         (simplify_cond_using_ranges): New function.
11868         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11869         * tree-ssa-propagate.c (substitute_and_fold): Call
11870         simplify_stmt_using_ranges if we have range information.
11871
11872 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11873
11874         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11875         ia64_flag_schedule_isns2.
11876
11877         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11878         reading/writing general registers.
11879         (ia64_function_arg): Revert 2005-06-18 change.
11880
11881 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11882
11883         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11884         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11885
11886 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11887
11888         * function.c (expand_function_end): Revert part of 2005-06-27
11889         patch.  Do sjlj_emit_function_exit_after after return_label.
11890
11891 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11892
11893         * doc/install.texi (--disable-libssp): New.
11894
11895 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11896
11897         * doc/invoke.texi: Update -fforce-mem documentation.
11898         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11899         code for -fforce-mem.
11900         * expmed.c: (store_bit_field,store_fixed_bit_field,
11901         extract_bit_field): Ditto.
11902         * expr.c: (convert_move): Ditto.
11903         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11904         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11905         emit_conditional_add,expand_float,expand_fix): Ditto.
11906         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11907         (common_handle_option): Issue warning when -fforce-mem specified.
11908
11909 2005-07-06  Paul Brook  <paul@codesourcery.com>
11910
11911         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11912         argument is empty.
11913         * configure: Regenerate.
11914
11915 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11916
11917         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11918
11919 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11920
11921         Fix PR tree-optimization/22319
11922         Fix PR tree-optimization/22140
11923         Fix PR tree-optimization/22310
11924
11925         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11926         variable sized types.
11927         Use correct type for intermediate structure on *a = *b structure
11928         copies.
11929
11930 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11931
11932         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11933         Remove.
11934         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11935         (machine_function): Move typedef to...
11936         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11937         varargs_save_offset field.
11938         (rs6000_stack_t): Remove varargs_size field.
11939         (setup_incoming_varargs): Allocate varargs save area using
11940         assign_stack_local, try to make it as small as possible.
11941         Save offset from virtual_stack_vars_rtx to the save area
11942         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11943         instead of magic 8 when fp word byte size is used.
11944         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11945         instead of -RS6000_VARARGS_SIZE.
11946         (rs6000_stack_info, debug_stack_info,
11947         rs6000_initial_elimination_offset): Remove all traces of
11948         varargs_size.
11949         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11950         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11951         RS6000_VARARGS_AREA.
11952
11953 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11954
11955         PR tree-optimization/21963
11956         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11957         constant_multiple_of in the same way get_computation_cost_at does.
11958
11959 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11960
11961         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11962         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11963         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11964         and return its previous value.
11965         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11966         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11967         constants.
11968         (stack_protect_set, stack_protect_test): New expanders.
11969         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11970         stack_protect_testdi): New insns.
11971         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11972         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11973
11974 2005-07-06  Jeff Law  <law@redhat.com>
11975
11976         * tree-ssa-dce.c (cfg_altered): New global.
11977         (tree_dce_init): Initialize cfg_altered.
11978         (remove_dead_stmt): If we remove an edge in the CFG, then set
11979         CFG_ALTERED.
11980         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11981         the dominators.
11982
11983 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11984
11985         * Makefile.in (stamp-collect-ld): Use
11986         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11987         ./collect-ld if it already exists.
11988         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11989         Don't remove ./nm if it already exists.
11990
11991 2005-07-05  Devang Patel  <dpatel@apple.com>
11992
11993         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11994         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11995         * tree-vectorizer.c (vect_loop_location): New.
11996         (vect_print_dump_info): Use vect_loop_location.
11997         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11998         (vectorize_loops): Set vect_loop_location.
11999         * tree-vect-analyze.c (vect_analyze_offset_expr,
12000         vect_determin_vectorization_factor, vect_analyze_operations,
12001         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12002         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12003         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12004         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12005         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12006         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12007         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12008         vect_analyze_loop): Adjust vect_print_dump_info API.
12009         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12010         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12011         vect_finish_stmt_generation, vectorizable_assignment,
12012         vectorizable_operation, vectorizable_store, vectorizable_load,
12013         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12014         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12015         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12016         vect_transform_loop): Same.
12017         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12018         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12019         Same.
12020
12021 2005-07-05  Randolph Chung  <tausq@debian.org>
12022
12023         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12024         * configure: Regenerate.
12025         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12026         (pa_tls_referenced_p): Declare.
12027         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12028         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12029         (legitimize_tls_address): New.
12030         (hppa_legitimize_address): Handle TLS addresses.
12031         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12032         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12033         (emit_move_sequence): Handle TLS addresses.
12034         (pa_encode_section_info): Call default handler to handle common
12035         sections.
12036         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12037         (CONSTANT_ADDRESS_P): Reject TLS operands.
12038         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12039         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12040         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12041         (UNSPEC_TLSLE): Define new constants.
12042         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12043         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12044         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12045         (tie_symbolic_operand, tle_symbolic_operand): New
12046
12047 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
12048
12049         * aclocal.m4: Update macros for autoconf 2.59 style.
12050         * configure.ac: Likewise.
12051
12052 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12053
12054         * pa.c (function_value): Handle small aggregates on 32-bit targets.
12055         (function_arg): Pass small aggregates in general registers on 32-bit
12056         targets.
12057         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12058
12059 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
12060
12061         * Makefile.in (final.o): Fix dependencies.
12062
12063 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12064
12065         PR c/22013
12066         PR c/22098
12067         * langhooks.h (struct lang_hooks): Add expr_to_decl.
12068         * langhooks.c (lhd_expr_to_decl): New.
12069         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12070         New.
12071         (LANG_HOOKS_INITIALIZER): Update.
12072         * tree.c (recompute_tree_invarant_for_addr_expr): Call
12073         expr_to_decl langhook.
12074         * c-tree.h (c_expr_to_decl): Declare.
12075         * c-typeck.c (c_expr_to_decl): New.
12076         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12077         specially.
12078         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12079
12080 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12081
12082         PR c/22308
12083         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12084         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12085
12086 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
12087
12088         * Makefile.in: Adjust dependencies.
12089         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12090         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12091         * alias.c (rest_of_handle_cfg, pass_cfg): New.
12092         * bb-reorder.c (duplicate_computed_gotos): Make it static.
12093         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12094         rest_of_compilation.
12095
12096         * bb-reorder.c (gate_duplicate_computed_gotos,
12097         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12098         rest_of_handle_reorder_blocks, pass_reorder_blocks,
12099         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12100         pass_partition_blocks): New.
12101         * bt-load.c (gate_handle_branch_target_load_optimize,
12102         rest_of_handle_branch_target_load_optimize,
12103         pass_branch_target_load_optimize): New.
12104         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12105         pass_jump2): New.
12106         * cfglayout.c (pass_insn_locators_initialize): New.
12107         * cfgrtl.c (pass_free_cfg): New.
12108         * combine.c (gate_handle_combine, rest_of_handle_combine,
12109         pass_combine): New.
12110         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12111         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12112         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12113         * except.c (pass_set_nothrow_function_flags,
12114         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12115         pass_rtl_eh): New.
12116         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12117         rest_of_handle_shorten_branches, pass_shorten_branches,
12118         rest_of_clean_state, pass_clean_state): New.
12119         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12120         rest_of_handle_remove_death_notes, pass_remove_death_notes,
12121         rest_of_handle_life, pass_life, rest_of_handle_flow2,
12122         pass_flow2): New.
12123         * function.c (pass_instantiate_virtual_regs, pass_init_function,
12124         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12125         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12126         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12127         pass_gcse): New.
12128         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12129         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12130         pass_rtl_ifcvt, gate_handle_if_after_combine,
12131         rest_of_handle_if_after_combine, pass_if_after_combine,
12132         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12133         pass_if_after_reload): New.
12134         * integrate.c (pass_initial_value_sets): New.
12135         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12136         pass_purge_lineno_notes): New.
12137         * mode-switching.c (rest_of_handle_mode_switching,
12138         pass_mode_switching): New.
12139         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12140         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12141         pass_loop2): New.
12142         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12143         pass_loop_optimize): New.
12144         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12145         pass_sms): New.
12146         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12147         pass_gcse2): New.
12148         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12149         pass_postreload_cse): New.
12150         * profile.c (gate_handle_profiling, pass_profiling,
12151         rest_of_handle_branch_prob, pass_branch_prob): New.
12152         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12153         pass_split_before_regstack, gate_handle_split_before_regstack,
12154         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12155         rest_of_handle_split_all_insns, pass_split_all_insns): New.
12156         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12157         pass_stack_regs): New.
12158         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12159         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12160         pass_stack_adjustments): New.
12161         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12162         pass_regrename): New.
12163         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12164         pass_delay_slots, gate_handle_machine_reorg,
12165         rest_of_handle_machine_reorg, pass_machine_reorg): New.
12166         * rtl.h (extern void purge_line_number_notes): New.
12167         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12168         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12169         pass_sched2): New.
12170         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12171         pass_tracer): New.
12172         * value-prof.c (gate_handle_value_profile_transformations,
12173         rest_of_handle_value_profile_transformations,
12174         pass_value_profile_transformations): New.
12175         * var-tracking.c (gate_handle_var_tracking,
12176         pass_variable_tracking): New.
12177         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12178
12179         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12180         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12181         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12182         rest_of_handle_old_regalloc, rest_of_handle_regrename,
12183         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12184         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12185         rest_of_handle_gcse2, rest_of_handle_regmove,
12186         rest_of_handle_tracer, rest_of_handle_if_conversion,
12187         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12188         rest_of_handle_web, rest_of_handle_branch_prob,
12189         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12190         rest_of_handle_jump_bypass, rest_of_handle_combine,
12191         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12192         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12193         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12194         rest_of_handle_mode_switching, rest_of_handle_jump,
12195         rest_of_handle_eh, rest_of_handle_stack_adjustments,
12196         rest_of_handle_flow2, rest_of_handle_jump2,
12197         rest_of_handle_peephole2, rest_of_handle_postreload,
12198         rest_of_handle_shorten_branches, rest_of_clean_state,
12199         rest_of_compilation): Remove.
12200
12201         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12202         * passes.c (dump_flags, in_gimple_form, all_passes,
12203         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12204         register_dump_files, next_pass_1, last_verified, execute_todo,
12205         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12206         from tree-optimize.c.
12207         (init_optimization_passes): Moved from tree-optimize.c,
12208         adding the RTL optimizations.
12209         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12210         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12211         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12212         register_dump_files, next_pass_1, last_verified, execute_todo,
12213         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12214         init_tree_optimization_passes, ipa_passes): Delete.
12215         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12216         the RTL dumps.
12217         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12218         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12219         from tree.h.
12220         (ipa_passes): Remove.
12221         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12222         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12223         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12224         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12225         (dump_info_p, dump_flag): Moved to tree-dump.h.
12226
12227         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12228         cgraph.c, opts.c.
12229         * passes.c (finish_optimization_passes): Use dump_begin
12230         and dump_end, TDI_end.
12231         (gate_rest_of_compilation): New.
12232         (pass_rest_of_compilation): Use it.
12233         (gate_postreload, pass_postreload): New.
12234         * toplev.c (general_init): Rename init_tree_optimization_passes.
12235         * toplev.h (init_tree_optimization_passes): Rename to
12236         init_optimizations_passes.
12237         * tree-dump.c (dump_flag): Make static.
12238         (dump_files): Remove RTL dumps.
12239         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12240         pass_cleanup_cfg, pass_free_cfg_annotations,
12241         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12242         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12243         * tree-pretty-print.c: Include tree-pass.h.
12244         * cgraph.c: Include tree-dump.h.
12245
12246 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12247
12248         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12249         Only fall back to saying it points to readonly memory if
12250         we can't do better.
12251
12252 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12253
12254         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12255         * config/m32r/m32r.c (m32r_compute_frame_size,
12256         m32r_expand_prologue): Take current_function_profile into
12257         account whenever we reference
12258         current_function_uses_pic_offset_table.
12259         (m32r_finalize_pic): Remove.
12260         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12261
12262 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12263
12264         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12265         instead of $<.  Don't remove ./as if it already exists.
12266
12267 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12268
12269         PR target/21723
12270         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12271         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12272         for complex modes when generating code for PA 1.0.
12273         (VALID_FP_MODE_P): New macro.
12274         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12275         sets for all general and floating point modes.  Align wide floating
12276         point modes to even register boundaries to comply with architectural
12277         requirements.
12278         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12279         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12280         (VALID_FP_MODE_P): New macro.
12281         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12282         sets for all general and floating point modes.  Align wide floating
12283         point modes to even register boundaries to comply with architectural
12284         requirements.
12285
12286 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12287
12288         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12289         to 0.
12290
12291 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12292
12293         * tree-ssa-structalias.c: Don't include expr.h.
12294
12295 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12296
12297         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12298         comments.
12299
12300 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12301
12302         Fix PR tree-optimization/22279
12303
12304         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12305         correct operator.
12306
12307 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12308
12309         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12310
12311 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12312
12313         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12314         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12315         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12316         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12317         config/stormy16/stormy16.c, config/v850/v850.c,
12318         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12319         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12320         Avoid "." or "\n" at end of diagnostics and capital letters at
12321         start of diagnostics.
12322         * combine.c, cse.c: Don't translate dump file output.
12323         * toplev.c (print_version): Only translate output if going to
12324         stderr.
12325
12326 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12327
12328         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12329         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12330         typos.
12331
12332 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12333
12334         * pa.c (fix_range): Fix typo in comment.
12335
12336 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12337
12338         * tree-vrp.c (extract_range_from_assert): Replace
12339         fold (build (...)) with fold_build2.
12340
12341 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12342
12343         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12344         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12345         (format_types_orig, handle_format_attribute): Add support for
12346         format "gcc_gfc".
12347
12348 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12349
12350         * varasm.c (assemble_variable): Fix format specifier thinko.
12351
12352 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12353
12354         PR tree-optimization/22029 (and 22135)
12355         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12356         a phi node before calling dump_vops.
12357
12358 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12359
12360         * tree-dump.h (dump_string_field): Declare.
12361         * tree-dump.c: Use it instead of dump_string.
12362         (dump_string_field): Make non-static.
12363
12364 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12365
12366         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12367         up the minimal CFG stuff always when optimize > 0.  Call
12368         split_all_insns_noflow in PIC case if needed.
12369
12370 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12371             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12372
12373         PR c++/18279
12374         * c-decl.c (c_write_global_declarations): Dump contents of
12375         external scope to.
12376         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12377         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12378         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12379         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12380         is enabled.
12381
12382 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12383
12384         * c-common.h (GCC_DIAG_STYLE): Define.
12385         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12386         version for format checking to 4.1.
12387         * c-format.c: Include toplev.h after c-common.h.
12388         (enum format_type): Add gcc_tdiag_format_type.
12389         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12390         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12391         (format_types_orig): Add gcc_tdiag.
12392         (init_dynamic_diag_info): Support gcc_tdiag formats.
12393         (handle_format_attribute): Likewise.
12394         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12395         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12396         version for format checking to 4.1.
12397         (warning0, warning, error, pedwarn, sorry): Use
12398         ATTRIBUTE_GCC_DIAG.
12399         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12400         (finish_aliases_1): Do not use %qE.
12401         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12402         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12403         Correct format bugs.
12404         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12405         parameter to unsigned HOST_WIDE_INT.
12406         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12407
12408 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12409
12410         PR middle-end/21742
12411         * expr.c (write_complex_part): Use adjust_address for MEM.
12412         (read_complex_part): Same.
12413
12414 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12415
12416         Fix PR tree-optimization/22280
12417
12418         * tree-sra.c (generate_element_init): Remove useless loop.
12419
12420 2005-07-02  Richard Henderson  <rth@redhat.com>
12421
12422         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12423         TLS_MODEL_NONE.
12424         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12425
12426 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12427
12428         PR middle-end/14490
12429         * fold-const.c (fold_binary): Handle the return value of
12430         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12431         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12432
12433 2005-07-02  Jeff Law  <law@redhat.com>
12434
12435         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12436         a eliminate type conversion which feeds an equality comparison
12437         if the original type or either operand in the comparison is a
12438         function pointer.
12439
12440 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12441
12442         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12443         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12444         texts.
12445         * config/avr/avr.c: Do not use '`' as left quote.
12446         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12447         Remove "." from end of diagnostics.  Make diagnostics start with
12448         lowercase letter.
12449
12450 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12451             Joseph S. Myers  <joseph@codesourcery.com>
12452
12453         * toplev.c (default_tree_printer): Handle setting location with
12454         '+' flag.
12455         * c-objc.common.c (c_tree_printer): Likewise.
12456         * c-format.c (gcc_diag_flag_specs): Add '+'.
12457         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12458         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12459         formats.
12460         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12461         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12462         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12463         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12464         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12465         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12466         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12467         format arguments where %J is used without %D.
12468
12469 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12470
12471         * gcc.c (LINK_SSP_SPEC): Define.
12472         (link_ssp_spec): New variable.
12473         (LINK_COMMAND_SPEC): Add %(link_ssp).
12474         (static_specs): Add link_ssp_spec.
12475         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12476         * configure: Rebuilt.
12477         * config.in: Rebuilt.
12478
12479         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12480         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12481         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12482         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12483         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12484         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12485         -0x7008(2) instead of reading __stack_chk_guard variable.
12486         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12487         number.
12488         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12489         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12490         if TARGET_THREAD_SSP_OFFSET is defined.
12491         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12492         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12493
12494         Revert:
12495         2005-06-27  Richard Henderson  <rth@redhat.com>
12496         * libgcc-std.ver (GCC_4.1.0): New.
12497         * libgcc.h (__stack_chk_guard): Declare.
12498         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12499         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12500         * mklibgcc.in (lib2funcs): Add them.
12501
12502 2005-07-01  Richard Henderson  <rth@redhat.com>
12503
12504         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12505         void * before struct sigcontext *.
12506         (x86_fallback_frame_state): Likewise.
12507
12508 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12509
12510         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12511
12512 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12513
12514         PR tree-opt/22269
12515         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12516         we check for SSA_NAME for.
12517
12518 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12519
12520         Fix PR tree-optimization/22071
12521
12522         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12523         function.
12524         (get_constraint_for_component_ref): Use it.
12525
12526 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12527
12528         PR other/22264
12529         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12530         print out the last new line.
12531
12532 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12533
12534         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12535         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12536         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12537         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12538         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12539         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12540         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12541         (enum reg_class): New member CC0_REGS.
12542         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12543         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12544         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12545         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12546         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12547         Adjust for register now described.
12548
12549 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12550
12551         PR target/22262
12552         * config/i386/i386.md (stack_protect_test_si,
12553         stack_protect_test_di): Add earlyclobber for scratch 3.
12554         * config/rs6000/rs6000.md (stack_protect_testsi,
12555         stack_protect_testdi): Add earlyclobber for scratch 3,
12556         remove earlyclobber from scratch 4.
12557
12558 Older entries for 2005 can be found in ChangeLog-2005.