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* doc/objc.texi (Type encoding): Fix typo.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2
3         * doc/objc.texi (Type encoding): Fix typo.
4
5 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6
7         * tree-tailcall.c (find_tail_calls): Use XNEW.
8         * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
9         (free_all_edge_infos): Use explicit cast to convert from void *.
10         (vrp_free): Likewise.
11         (dom_opt_finalize_block): Likewise.
12         (record_equivalences_from_incoming_edge): Likewise.
13         (thread_across_edge): Likewise.  Use XCNEWVEC.
14         (record_cond): Use XCNEW.
15         (record_conditions): Use XNEWVEC.
16         (record_edge_info): Use XCNEWVEC.
17         (lookup_avail_expr): Use XNEW.
18         (record_range): Likewise.  Use GGC_NEW.
19         * tree-nested.c (var_map_hash): Use explicit cast to convert from
20         void *.
21         (var_map_eq): Likewise.
22         (lookup_field_for_decl): Likewise.
23         (convert_nonlocal_reference): Likewise.
24         (convert_local_reference): Likewise.
25         (convert_nl_goto_reference): Likewise.
26         (convert_nl_goto_receiver): Likewise.
27         (convert_call_expr): Likewise.
28         (convert_tramp_reference): Likewise.
29         (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
30         (convert_nl_goto_reference): Likewise.
31         (lookup_field_for_decl): Use GGC_NEW.
32         (create_nesting_tree): Use GGC_CNEW.
33         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
34         * tree-ssa-alias.c (init_alias_info): Use XCNEW.
35         (create_alias_map_for): Likewise.
36         (setup_pointers_and_addressables): Use XCNEWVEC.
37         (get_ptr_info): Use GGC_NEW.
38         (used_part_map_eq): Use explicit cast to convert from void *.
39         (up_lookup): Likewise.
40         (up_insert): Use XNEW.
41         (get_or_create_used_part_for): Use XCNEW.
42         (get_tmt_for): Likewise.
43         * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
44         * tree-ssa-pre.c (phi_trans_add): Use XNEW.
45         (bitmap_set_new): Use explicit cast to convert from void *.
46         (set_new): Likewise.
47         (insert_into_set): Likewise.
48         (pool_copy_list): Likewise.
49         (phi_translate): Likewise.
50         (create_value_expr_from): Likewise.
51         (insert_aux): Use XCNEWVEC.
52         (compute_avail): Use XNEWVEC.
53         * tree-ssa-live.c (calculate_live_on_entry): Likewise.
54         (sort_coalesce_list): Likewise.
55         (build_tree_conflict_graph): Use XCNEWVEC.
56         * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
57         * tree-ssa-copy.c (init_copy_prop): Likewise.
58         (fini_copy_prop): Likewise.
59         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
60         and XCNEWVEC.
61         (record_equiv): Use XNEW.
62         (uncprop_into_successor_phis): Use explicit cast to convert from
63         void *.
64         (uncprop_initialize_block): Likewise.
65
66 2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
67
68         PR tree-optimization/24378      
69         * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
70         basic-block after loop-versioning. 
71
72 2005-12-18  Jeff Law  <law@redhat.com>
73
74         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
75         to simplify SWITCH_EXPR_CODE moved from here to ...
76         * tree-ssa-forwprop.c (simplify_switch_expr): Here.
77         (tree-ssa-forward_propagate_single_use_vars): Call
78         simplify_switch_expr when appropriate.
79
80 2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
81
82         * doc/objc.texi (Type encoding): Add documentation about encoding
83         complex types and _Bool.
84
85 2005-12-17  Paul Brook  <paul@codesourcery.com>
86
87         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
88         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
89         when frame_pointer_needed. 
90
91 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
92
93         * tree-vn.c (vn_add): Use XNEW.
94         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
95         (ccp_fold): Likewise.
96         (fold_stmt_r): Use explicit cast to convert from void *.
97         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
98         (new_temp_expr_table): Likewise.
99         * gimplify.c (lookup_tmp_var): Use XNEW.
100         (gimplify_asm_expr): Use explcit cast to convert from void *.
101         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
102         (get_def_blocks_for): Use XNEW.
103         (add_to_repl_tbl): Likewise.
104         (mark_def_sites): Use explicit cast to convert from void *.
105         (def_blocks_free): Likewise.
106         (mark_def_sites_initialize_block): Likewise.
107         (update_ssa): Use XNEWVEC.
108         * tree-dfa.c (create_var_ann): Use GGC_NEW.
109         (create_stmt_ann): Likewise.
110         (create_tree_ann): Likewise.
111         (referenced_var_insert): Likewise.
112         (set_default_def): Likewise.
113         (referenced_var_lookup_if_exists): Use explicit cast to convert
114         from void *.
115         (referenced_var_lookup): Likewise.
116         (default_def): Likewise.
117         (set_default_def): Likewise.
118         * tree-cfg.c (create_bb): Likewise.
119         (edge_to_cases_cleanup): Likewise.
120         (verify_node_sharing): Likewise.
121         (record_switch_edge): Use XNEW.
122         (cleanup_dead_labels): Use XCNEWVEC.
123         (tree_duplicate_sese_region): Use XNEWVEC.
124         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
125         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
126         (int_tree_map_eq): Use explicit cast to convert from void *.
127         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
128         (__gcov_execl): Likewise.
129         (__gcov_execlp): Likewise.
130         (__gcov_execle): Likewise.
131         * tree-eh.c (struct_ptr_eq): Likewise.
132         (struct_ptr_hash): Likewise.
133         (lookup_stmt_eh_region_fn): Likewise.
134         (outside_finally_tree): Likewise.
135         (find_goto_replacement): Likewise.
136         (make_eh_edge): Likewise.
137         (mark_eh_edge): Likewise.
138         (add_stmt_to_eh_region_fn): Use GGC_NEW.
139         (record_in_finally_tree): Use XNEW.
140         (maybe_record_in_goto_queue): Use XRESIZEVEC.
141         (lower_try_finally_copy): Use XCNEWVEC.
142
143 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
144
145         * tree-inline.c (copy_body_r): Use explicit cast when converting
146         from void *.
147         (copy_bb): Likewise.
148         (copy_edges_for_bb): Likewise.
149         (remap_decl_1): Likewise.
150         (estimate_num_insns_1): Likewise.
151         * cgraph.c (hash_node): Use explicit cast when converting from
152         void *.
153         (eq_node): Likewise.
154         (cgraph_create_node): Use GGC_CNEW.
155         (cgraph_create_edge): Use GGC_NEW.
156         (cgraph_remove_node): Use explicit cast when converting from void *.
157         (hash_varpool_node): Likewise.
158         (eq_varpool_node): Likewise.
159         (cgraph_varpool_node): Use GGC_CNEW.
160         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
161         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
162         (eq_scev_info): Use explicit cast when converting from void *.
163         (find_var_scev_info): Likewise.
164         (set_instantiated_value): Likewise.
165         (gather_stats_on_scev_database_1): Likewise.
166         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
167         from void *.
168         * c-pch.c (c_common_write_pch): Use XNEWVEC.
169         (c_common_read_pch): Likewise.
170         * prefix.c (save_string): Use XNEWVEC.
171         (translate_name): Use explicit cast when converting from void *.
172         * c-ppoutput.c (print_line): Use explicit cast when converting
173         from void *.
174         (pp_dir_change): Likewise.
175         * c-cppbuiltin.c (builtin_define_std): Likewise.
176         (builtin_define_with_value): Likewise.
177         (builtin_define_with_value_n): Likewise.
178         (builtin_define_with_int_value): Likewise.
179         (builtin_define_type_max): Likewise.
180         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
181         (add_path): Use XNEW.
182         * c-format.c (check_format_info_main): Use GGC_NEW.
183         (format_type_warning): Use explicit cast when converting from void *.
184         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
185         xmalloc. 
186         (start_init): Likewise.
187         * tree-flow-inline.h (first_referenced_var): Use explicit cast
188         when converting from void *.
189         (next_referenced_var): Likewise.
190         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
191         * gensupport.c (lookup_predicate): Use explicit cast to convert
192         from void *.
193         (init_predicate_table): Use XCNEW instead of xcalloc.
194         * genpreds.c (process_define_predicate): Likewise.
195
196 2005-12-17  Danny Berlin <dberlin@dberlin.org>
197             Kenneth Zadeck <zadeck@naturalbridge.com>
198
199         * basic-block.h: Changed basic block numbering so that the entry
200         block is 0 and the exit block is 1.  Changed insn iterators so
201         that they are tolerant of blocks with no insns.
202         * regrename.c (copyprop_hardreg_forward): Changed basic block
203         numbering so that the entry block is 0 and the exit block is 1.
204         * sched-ebb.c (sehedule_ebbs): Ditto.
205         * tracer.c (branch_ratio_cutoff): Ditto.
206         * cfgloopmanip.c (fix_loop_structure): Ditto.
207         * cfghooks.c (verify_flow_info): Ditto.
208         * cfg.c (compact_blocks): Ditto.
209         * reorg.c (dbr_schedule): Ditto.
210         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
211         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
212         calculate_dominance_info): Ditto.
213         * cfganal.c (create_edge_list, print_edge_list,
214         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
215         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
216         dfs_enumerate_from): Ditto.
217         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
218         * ifcvt.c (find_if_case_2): Ditto.
219         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
220         find_basic_blocks): Ditto.
221         * predict.c (predict_loops, tree_bb_level_predictions,
222         predict_paths_leading_to, propagate_freq): Ditto.
223         * lcm.c (compute_antinout_edge, compute_laterin,
224         compute_available): Ditto.
225         * function.c (thread_prologue_and_epilogue_insns): Ditto.
226         * gcse.c (gcse_main, bypass_jumps): Ditto.
227         * profile.c (compute_branch_probabilities,
228         compute_value_histograms, branch_prob): Ditto.
229         * tree-flow-inline.h (bsi_start, bsi_after_labels,
230         bsi_last): Ditto.
231         * tree-ssa-phiopt.c (tree_ssa_phiopt,
232         blocks_in_phiopt_order): Ditto.
233         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
234         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
235         * tree-dfa.c (collect_dfa_stats): Ditto.
236         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
237         * cfglayout.c (fixup_reorder_chain): Ditto.
238         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
239         partition_hot_cold_basic_blocks): Ditto.
240         * var-tracking.c (vt_find_locations): Ditto.
241         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
242         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
243         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
244         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
245         * tree-ssa-reassoc.c (init_reassoc): Ditto.
246         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
247         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
248         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
249         and removed unused reverse orders.
250         * df.h (): Ditto.
251         * combine.c: Fix document typo.
252
253 2005-12-17  Jan Hubicka  <jh@suse.cz>
254
255         * tree-flow-inline.h (set_default_def, default_def): Kill.
256         * tree-dfa.c (default_defs): New global variable.
257         (default_def, set_default_def): New functions.
258         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
259         * tree-flow.h (struct var_ann_d): Kill default_def field.
260         (set_default_def, default_def): Update prototype.
261         (default_defs): Declare.
262
263 2005-12-16  Jeff Law  <law@redhat.com>
264
265         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
266         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
267         into tree-ssa-forwprop.c.
268         (eliminate_redundant_computations): Do not call
269         simplify_rhs_and_lookup_avail_expr anymore.
270         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
271         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
272         (tree_ssa_forward_propagate_single_use_vars): Call
273         simplify_not_neg_expr appropriately.
274
275 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
276
277         PR target/20016
278         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
279
280 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
281
282         PR rtl-optimization/25456
283         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
284         info->x_start with p->x_start.
285
286 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
287
288         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
289         introduced 2005-12-16.
290
291 2005-12-16  Steven Bosscher  <stevenb@suse.de>
292
293         PR rtl-optimization/23837
294         * optabs.c (expand_binop): For a multi-word rotate, never emit
295         a REG_NO_CONFLICT block.
296
297 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
298
299         PR middle-end/25457
300         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
301
302         PR target/25447
303         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
304         MODE_DECIMAL_FLOAT.
305
306 2005-12-16  Steven Bosscher  <stevenb@suse.de>
307
308         * loop-invariant.c (move_loop_invariants): Add missing hunk from
309         the previous patch, to nullify df.
310
311 2005-12-16  Steven Bosscher  <stevenb@suse.de>
312
313         * reorg.c (mostly_true_jump): Clean up code depending on
314         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
315         poor man's branch prediction, instead rely on REG_BR_PROB
316         notes to be available.
317
318 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
319
320         PR rtl-optimization/24899
321         * loop.c (strength_reduce): Don't reduce giv that is not always
322         computable and where add_val or mult_val can trap.
323
324         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
325
326 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
327
328         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
329         names of ms1-16-002 files.
330
331 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
332
333         PR driver/20425
334         * gcc.c (for_each_path): New function.
335         (add_to_obstack, file_at_path): New functions.
336         (struct file_at_path_info, struct add_to_obstack_info): New.
337         (build_search_list): Rewrite using for_each_path.  Constify struct
338         path_prefix pointer.  Add do_multi param.  Adjust all callers.
339         (find_a_file): Similarly, but just change existing param to bool.
340         (putenv_from_prefixes): Add do_multi param, make "paths" const.
341         (do_spec_path): Delete.
342         (struct spec_path_info): New.
343         (spec_path): New function.
344         (do_spec_1): Use for_each_path for %D and %I.
345         (find_file): Adjust for find_a_file changes.
346         (main): Search multilibs for specs.  Print multilib lib path for
347         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
348         (read_specs): Search multilibs for %include and %include_noerr.
349         (is_directory): Remove second string param.  Change last param
350         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
351         check path is a dir.  Update all callers.
352         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
353         * system.h (SMALL_ARG_MAX): Poison.
354         * config.gcc: Don't define SMALL_ARG_MAX.
355         * config.host: Likewise.
356         * config.build: Likewise.
357
358 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
359
360         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
361         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
362         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
363         simplify_logical): Move simplifications that do not require
364         additional infrastructure...
365         * simplify-rtx.c (simplify_unary_operation_1,
366         simplify_binary_operation_1): ... here.
367
368 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
369
370         PR 24823
371         * flow.c (mark_used_dest_regs): New function.
372         (mark_used_regs): Call mark_used_dest_regs.
373
374 2005-12-16  Jeff Law  <law@redhat.com>
375
376         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
377         represent a use and definition of the same SSA_NAME.
378
379 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
380             Janis Johnson  <janis187@us.ibm.com>
381             Ben Elliston  <bje@au.ibm.com>
382
383         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
384         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
385         * target.h (struct gcc_target): Add decimal_float_supported_p.
386         * targhooks.c (default_scalar_mode_supported_p): Handle
387         MODE_DECIMAL_FLOAT.
388         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
389         of inf, nan, finite, isinf and isnan.
390         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
391         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
392         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
393         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
394         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
395         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
396         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
397         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
398         Pedwarn if decimal floating point types are used.  Error if
399         decimal floating point is not supported by the target.
400         (finish_declspecs): Return type from DFP typespec_word.
401         * c-typeck.c (c_common_type): Choose the decimal floating point
402         type with the greater precision when determining a common type.
403         (convert_arguments): Warn if there is a mismatch between argument
404         and prototype for decimal float types.  Warn of conversions with
405         binary float types and of precision narrowing due to prototype.
406         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
407         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
408         (c_token_starts_declspecs): Likewise.
409         (c_parser_attributes): Likewise.
410         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
411         RID_DFLOAT64, RID_DFLOAT128.
412         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
413         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
414         (shorten_compare): Convert DFP/BFP operands to a common type.
415         (c_common_modes_and_builtins): Register built-in decimal float
416         types if the target supports them.
417         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
418         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
419         inf, nan, finite, isinf and isnan builtins.
420         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
421         (builtin_define_float_constants): Assert non-decimal radix.
422         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
423         Call builtin_define_decimal_float_constants for each type.
424         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
425         flags.  Use real_from_string3, which can handle binary or decimal
426         floats.
427         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
428         cts_dfloat64, cts_dfloat128.
429         * tree.c (build_common_tree_nodes_2): Add decimal float types.
430         * tree.h (enum tree_index): Add new enumeration values
431         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
432         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
433         (dfloat32_type_node): New macro.
434         (dfloat64_type_node, dfloat128_type_node): Likewise.
435         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
436         (dfloat128_ptr_type_node): Likewise.
437         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
438         bit decimal floating point types with "df", "dd" and "dl".
439         * c-format.h (enum format_lengths): Add new enumeration values
440         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
441         * c-format.c (printf_length_specs, scanf_length_specs): Add
442         entries for H, D, DD.
443         (print_char_table, scan_char_table): Use new entries.
444         (asm_fprintf_char_table, gcc_diag_char_table,
445         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
446         length arrays.
447         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
448         (DECIMAL64_TYPE_SIZE): Likewise.
449         (DECIMAL128_TYPE_SIZE): Likewise.
450         (TARGET_DEC_EVAL_METHOD): Likewise.
451         * doc/extend.texi (Decimal Float): New node.
452         (Constructing Calls): Document decimal float built-ins.
453         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
454         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
455         * ginclude/decfloat.h: New file.
456
457 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
458
459         * reload.c (find_reloads): Fix comment typo.
460         * recog.h (recog_memoized): Correct comment.
461
462 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
463
464         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
465         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
466         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
467         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
468         * doc/invoke.texi, doc/tm.texi: Fix typos.
469
470 2005-12-16  Ben Elliston  <bje@au.ibm.com>
471
472         * real.c (decimal_quad_format): Correct values for emin, emax.
473
474 2005-12-15  DJ Delorie  <dj@redhat.com>
475
476         * config/m32c/predicates.md (m32c_psi_scale): New.
477         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
478         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
479
480 2005-12-16  Jan Hubicka  <jh@suse.cz>
481
482         PR rtl-optimization/25224
483         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
484         tables.
485
486 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
487             Steven Bosscher <stevenb@suse.de>
488
489         * loop-invariant.c (df): New global variable.
490         (find_defs, check_dependencies, find_invariant_insn, record_uses,
491         find_invariants_bb, find_invariants_body, find_invariants,
492         find_invariants_to_move, move_invariants, free_inv_motion_data,
493         move_single_loop_invariants, move_loop_invariants): Do not pass df in
494         arguments.
495
496 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
497
498         * varasm.c (default_unique_section_1): Use special section
499         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
500
501 2005-12-16  Ben Elliston  <bje@au.ibm.com>
502
503         * doc/invoke.texi (Warning Options): Document -Walways-true being
504         enabled by -Wall.
505
506 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
507
508         PR other/25028
509         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
510         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
511         __floatunditf): Use #error if type sizes don't match requirements
512         of implementation.
513         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
514         as wider floating-point type.  Use #error if type sizes don't
515         match requirements of implementation.  Avoid overflow in computing
516         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
517         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
518         (__floatundisf, __floatundidf): Likewise.
519         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
520         * config/ia64/ia64.c (ia64_init_libfuncs): Use
521         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
522         TFmode-TImode conversions.
523         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
524
525 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
526
527         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
528         Use builtin_define_with_int_value() instead of
529         adding a new check for every new major FreeBSD version.
530
531 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
532
533         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
534
535 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
536
537         * config/arm/predicates.md (call_memory_operand): New.
538         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
539
540 2005-12-15  Andrew Haley  <aph@redhat.com>
541
542         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
543         against prev_cache_entry == NULL when moving a cache entry to the
544         head of the list.
545         
546 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
547
548         * config/mt/mt.c (mt_override_options): Require lower case
549         architectures.  Revert accidental default to ms2.
550         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
551         ENDFILE_SPEC): Require lower case architectures.  Revert default
552         to ms2.
553
554         * doc/invoke.texi (MT Options): Rename and update.
555         * doc/md.texi (MorphoTech family): Rename and update.
556
557 2005-12-15  Olivier Hainque  <hainque@adacore.com>
558
559         * stor-layout.c (layout_type): Don't complain about a too small
560         an array element type size compared to its alignment when the
561         size overflows.
562
563 2005-12-15  Jan Hubicka  <jh@suse.cz>
564
565         PR target/24969
566         * i386.c (classify_argument): Properly adjust offset of bitfield for
567         substructures.
568
569 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
570
571         * final.c (final_scan_insn): Flip in_cold_section_p when changing
572         between the hot and cold sections.  Use current_function_section
573         to get the new section.
574         * dwarf2out.c (output_line_info): Use in_cold_section_p to
575         determine whether we are assembling hot or cold code.
576         (secname_for_decl, dwarf2out_var_location): Likewise.
577         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
578         * varasm.c (last_text_section): Delete.
579         (in_cold_section_p): New variable.
580         (hot_function_section): New function.
581         (current_function_section): Pass in_cold_section_p as the
582         reloc argument to select_section.  Use it to decide between
583         unlikely_function_section and hot_function_section.
584         (assemble_start_function): Use switch_to_section.  Set
585         in_cold_section_p instead of last_text_section.
586         (assemble_end_function): Use switch_to_section.
587         (switch_to_section): Don't set last_text_section.
588         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
589         argument to make the right choice between hot and cold sections.
590
591 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
592
593         Second part of MS1->MT renaming
594         * config/mt/mt.md (doloop_end): Call mt_add_loop.
595         (movqi, movhi): Call mt_set_memflags.
596         (*movdf_internal): Call mt_split_words. 
597         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
598         mt_set_memflags.
599         (cmpsi): Store to mt_compare_op[01].
600         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
601         bungt, bunle, bunlt): Call mt_emit_cbranch.
602         (prologue): Call mt_expand_prologue.
603         (epilogu): Call mt_expend_epilogue.
604         (eh_return): Call mt_expand_eh_return.
605         (eh_epilogue): Call me_emit_eh_epilogue.
606         (conditional_trap): Store to mt_compare_op[01].
607         * config/mt/crti.asm: Adjust comment.
608         * config/mt/crtn.asm: Adjust comment.
609         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
610         (mt_compare_op0, mt_compare_op1): Renamed.
611         (current_frame_info, zero_frame_info): Adjust type.
612         (mt_ucmpsi3_libcall): Renamed.
613         (mt_flag_delayed_branch): Renamed.
614         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
615         (mt_nops_required, mt_nop_reasons): Renamed.
616         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
617         mt_debug_stack, mt_print_operand_simple_address,
618         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
619         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
620         mt_function_arg_advance, mt_arg_partial_bytes,
621         mt_pass_by_reference, mt_function_arg_boundary,
622         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
623         mt_legitimate_address_p): Renamed, adjusted.
624         (mt_cpu): Renamed.
625         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
626         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
627         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
628         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
629         mt_expand_eh_return, mt_emit_eh_prologue,
630         mt_handl_interrupt_attribute): Renamed, adjusted.
631         (mt_attribute_table): Renamed, adjusted.
632         (mt_initial_elimination_offset, mt_generate_compare,
633         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
634         mt_secondary_reload_class, mt_function_value, mt_split_words,
635         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
636         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
637         (mt_labels): Renamed.
638         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
639         mt_machine_reorg): Renamed, adjusted.
640         (mt_attribute_table: Renamed.
641         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
642         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
643         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
644         * config/mt/mt.opt (march): Set mt_cpu_string.
645         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
646         (TARGET_CPU_CPP_BUILTINS): Adjust.
647         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
648         TARGET_MS2): Adjust.
649         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
650         (MT_MIN_INT): Renamed.
651         (RETURN_ADDR_RTX): Adjust.
652         (struct mt_frame_info): Renamed.
653         (current_frame_info): Adjust type.
654         (INITIAL_ELIMINATION_OFFSET): Adjust.
655         (MT_NUM_ARG_REGS): Renamed.
656         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
657         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
658         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
659         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
660         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
661         (mt_compare_op0, mt_compare_op1): Renamed.
662         * config/mt/mt-protos.h: Rename prototypes.
663
664 2005-12-15  Richard Guenther  <rguenther@suse.de>
665
666         * tree-flow.h (okay_component_ref_for_subvars): Remove.
667         (get_ref_base_and_extent): Declare.
668         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
669         (get_ref_base_and_extent): New function.
670         * tree-ssa-alias.c (find_used_portions): Use it.
671         * tree-ssa-structalias.c (get_constraint_for_component_ref):
672         Likewise.
673         * tree-ssa-operands.c (get_expr_operands): Likewise.
674
675 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
676
677         * combine.c: Remove force_to_mode's fourth parameter.
678         (force_to_mode): Do not handle REG.
679         (canon_reg_for_combine): New.
680         (make_field_assignment): Use it where the removed argument was non-NULL.
681
682 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
683
684         PR target/25406
685         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
686         error_mark_node.  Make alignment params unsigned.
687         * config/rs6000/rs6000-protos.h
688         (rs6000_special_round_type_align): Update prototype.
689         (rs6000_machopic_legitimize_pic_address): Remove arg names.
690
691 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
692
693         PR rtl-optimization/25310
694         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
695         of the eliminable register when substituting into a PLUS.
696
697 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
698
699         PR debug/25023
700         * config/i386/i386.c (ix86_force_to_memory): Always use
701         SImode push for HImode in -m32.
702         (ix86_free_from_memory): Likewise.
703
704 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
705
706         * gcc/config/arm/arm.md: Provide a big-endian version of the
707         (zero_extend:SI (subreg:QI ...)) splitter.
708
709 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
710
711         * struct-equiv.c (note_local_live): Handle hard regs with different
712         hard_regno_nregs.
713
714 2005-12-14  Jeff Law  <law@redhat.com>
715
716         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
717         to a structure containing state rather than a pointer to bool.
718         (case ARRAY_REF): New code to handle folding some array references.
719         (case ADDR_EXPR): Note when we are processing expressions found
720         within an ADDRE_EXPR.
721         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
722         for state variables rather than just a pointer to a boolean.
723         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
724         handling of constant string references.
725
726 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
727
728         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
729         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
730         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
731         Move other tst* patterns to retain partial order.
732
733 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
734
735         * config/s390/s390.md ("d0", "1"): New mode attributes.
736         ("<shift>di3", "<shift>si3"): Merge.
737         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
738         ("ashrdi3", "ashrsi3"): Merge.
739         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
740         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
741         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
742         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
743         ("*ashrdi3", "*ashrsi3"): Merge.
744         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
745
746 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
747
748         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
749         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
750         ("*extendqidi2", "*extendqisi2") Merge.
751         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
752         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
753         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
754         Move some patterns to retain partial ordering.
755
756 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
757
758         * config/s390/s390.md ("atype", "length"): Rewrite.
759         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
760
761 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
762
763         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
764
765 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
766
767         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
768         PARALLELs with a mode.
769
770 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
771
772         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
773         cond_expr parameter.
774
775 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
776
777         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
778
779 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
780
781         PR bootstrap/25397:
782
783         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
784         of STACK_REGS bits.
785
786         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
787
788 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
789
790         PR target/25254
791         PR target/24188
792         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
793         DECL_P, call get_section rather than get_named_section.  Supply
794         section flags to it.
795
796 2005-12-14  Ben Elliston  <bje@au.ibm.com>
797
798         * c-common.c (c_common_truthvalue_conversion): Generalise warning
799         for addresses converted to booleans; not just function addresses.
800         * c-typeck.c (build_binary_op): Warn for address comparisons which
801         can never be NULL (eg. func == NULL or &var == NULL).
802         * common.opt (Walways-true): New option.
803         * c-opts.c (c_common_handle_option): Set it with -Wall.
804         * doc/invoke.texi: Document it.
805
806 2005-12-13  Paul Brook  <paul@codesourcery.com>
807
808         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
809         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
810
811 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
812
813         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
814         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
815
816         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
817         (EXTRA_MULTILIB_PARTS): Define.
818
819 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
820
821         PR rtl-optimization/20070 / part1
822         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
823         count_or_remove_death_notes with kill == -1.
824         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
825         registers if PROP_POST_REGSTACK is set.
826         (mark_used_reg): Likewise.
827         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
828         REG_UNUSED notes for stack regs.
829         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
830         to match rtx_equiv_p machinery.  Change caller.
831         (outgoing_edges_match): Likewise.
832         (try_crossjump_to_edge): Use struct_equiv_block_eq
833         instead of flow_find_cross_jump.
834         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
835         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
836         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
837         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
838         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
839         (insns_match_p): Update prototype.
840         (flow_find_cross_jump): Remove prototype.
841         (struct_equiv_block_eq, struct_equiv_init): Declare.
842         (rtx_equiv_p, condjump_equiv_p): Likewise.
843         * struct-equiv.c: Include reload.h.
844         (IMPOSSIBLE_MOVE_FACTOR): Define.
845         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
846         (struct_equiv_improve_checkpoint): Likewise.
847         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
848         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
849         (struct_equiv_merge, find_dying_input): Likewise.
850         (resolve_input_conflict, note_local_live): Likewise.
851         (death_notes_match_p): Change parameters and processing
852         to match rtx_equiv_p machinery.  Change caller.
853         (insns_match_p): Likewise.
854         (flow_find_cross_jump): Replace with:
855         (struct_equiv_block_eq).
856
857         Back out this change:
858         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
859           * recog.c (verify_changes): Make it static.
860           * recog.h: Remove the corresponding prototype.
861
862 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
863
864         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
865         values.
866
867 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
868
869         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
870         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
871         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
872         TARGET_MS1_64_001 appropriately.
873         (ms1_machine_reorg): Use TARGET_MS2.
874
875 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
876
877         PR debug/25023
878         PR target/25293
879         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
880         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
881         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
882         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
883         Set mode to SI, adjust constraints.
884         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
885         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
886         32-bit code.
887
888 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
889
890         * c-cppbuiltin.c (builtin_define_float_constants): Add
891         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
892         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
893         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
894         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
895         to "((double)%sL)" otherwise "%s".
896
897 2005-12-13  Paul Brook  <paul@codesourcery.com>
898
899         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
900         apcs/atpcs.
901
902 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
903
904         * tree-flow.h: Allow compilation with a C++ compiler.
905         (struct edge_prediction): Prefix all field names  with "ep_".
906         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
907         (tree_predict_edge, combine_predictions_for_bb): Likewise.
908         (remove_predictions_associated_with_edge): Likewise.
909         
910 2005-12-12  Jeff Law  <law@redhat.com>
911
912         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
913         reassociation code.
914         * passes.c (init_optimization_passes): Run reassociation again
915         after loop optimizations.
916
917 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
918
919         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
920         if necessary.
921         (optimize_stmt): Ditto.
922         (canonicalize_comparison): New function.
923         * tree-ssa-operands.c (swap_tree_operands): Make external.
924         (get_expr_operands): Stop auto-canonicalization.
925         * tree-ssa-reassoc.c: Rewrite.
926         (init_optimization_passes): 
927         * tree-flow.h (swap_tree_operands): Prototype.
928         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
929
930 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
931
932         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
933         indicate function epilogue has been output.
934         (pa_asm_output_mi_thunk): Likewise.
935         (output_deferred_plabels): Put plabels in readonly data section when
936         not generating PIC code.
937         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
938         information.  Add assert.
939         (som_output_comdat_data_section_asm_op): New function.
940         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
941         instead of output_section_asm_op for COMDAT sections.
942
943 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
944
945         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
946         Fix whitespace in vincinity of to-be-installed changes.
947         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
948         (insns_match_p): Likewise.
949
950 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
951
952         * config.gcc (ms1): Replace with ...
953         (mt): ... this.
954         * config/ms1: Rename to ...
955         * config/mt: ... here.  Rename ms1 files to mt.
956         * config/mt/mt.c: Adjust gt-mt.h #include.
957         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
958         (crti.o, crtn.o): Adjust file names.
959
960 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
961
962         * varray.h: Allow compilation with a C++ compiler.
963         (union varray_data_tag): Prefix all field names with "vdt_".
964         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
965         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
966         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
967         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
968         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
969         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
970         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
971         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
972         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
973         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
974         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
975         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
976         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
977         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
978         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
979         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
980         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
981         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
982         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
983         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
984         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
985         VARRAY_TOP_TREE_PTR): Likewise.
986         * varray.c (varray_grow): Likewise.
987         (varray_clear): Likewise.
988
989 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
990
991         PR target/25299
992         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
993         alignment to doubleword if the first field is a double array.
994         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
995
996 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
997
998         * tree-ssa-structalias.c (process_constraint): Remove code to
999         transform addressofs into scalar.
1000         (create_variable_info_for): In whole-program IPA, globals don't
1001         point to ANYTHING by default.
1002
1003 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1004
1005         * timevar.def (TV_IPA_PTA): New.
1006         * tree-pass.h (pass_ipa_pta): New
1007         * tree-ssa-structalias.c: Include cgraph.h
1008         (in_ipa_mode): New.
1009         (predbitmap_obstack): New.
1010         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1011         (struct constraint_stats): Add num_edges.
1012         (new_var_info): Don't call bitmap_clear.
1013         (struct constraint_edge): Update docs.
1014         (new_constraint_edge): Remove src param.
1015         (struct constraint_graph): Add zero_weight_succs,
1016         zero_weight_preds.  Update docs.
1017         (constraint_expr_equal): Reformat.
1018         (constraint_edge_equal): Update for removal of src.
1019         (constraint_edge_less): Ditto.
1020         (constraint_edge_vec_find): Ditto.
1021         (erase_graph_self_edge): Update for removal of src and and zero
1022         weight bitmap.
1023         (clear_edges_for_node): Ditto.
1024         (add_graph_edge): Ditto.
1025         (get_graph_weights): Ditto.
1026         (allocate_graph_weights): Ditto.
1027         (merge_graph_nodes): Ditto.
1028         (int_add_graph_edge): Ditto.
1029         (valid_graph_edge): Ditto.
1030         (valid_weighted_graph_edge): Ditto.
1031         (build_constraint_graph): Ditto.
1032         (scc_visit): Ditto.
1033         (collapse_nodes): Ditto.
1034         (process_unification_queue): Ditto.
1035         (topo_visit): Ditto.
1036         (solve_graph): Ditto.
1037         (do_structure_copy): Ditto.
1038         (perform_var_substitution): Ditto.
1039         Init and release obstack.
1040         (handle_ptr_arith): Try to resolve directly.
1041         (find_func_aliases): Don't call update_alias_info here
1042         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1043         (do_sd_constraint): Add code for propagating faster.
1044         Update.
1045         (do_ds_constraint): Ditto.
1046         (count_num_arguments): New function.
1047         (create_function_info_for): Ditto.
1048         (create_variable_info_for): Handle FUNCTION_DECL.
1049         (intra_create_variable_infos): Use make_constraint_to_anything.
1050         (init_alias_vars): Init obstacks here.
1051         (need_to_solve): Handle zero weight graph changes.
1052         (compute_points_to_sets): Call update_alias_info here.
1053         (delete_points_to_sets): Free zero weight preds/succs here.
1054         (gate_ipa_pta): New.
1055         (ipa_pta_execute): New
1056
1057 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1058
1059         * tree-ssa-structalias.c (var_anyoffset): Removed.
1060         (anyoffset_tree): Ditto.
1061         (anyoffset_id): Ditto.
1062         (do_deref): Take vector of constraints, no return value.
1063         Update to work on vector.                
1064         (get_constraint_for): Ditto.
1065         (get_constraint_for_component_ref): Ditto.
1066         (do_structure_copy): Ditto.
1067         (handle_ptr_arith): Ditto.
1068         (find_func_aliases): Ditto.
1069         (set_uids_in_ptset): Remove anyoffset handling.
1070         (init_base_vars): Ditto.
1071
1072 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
1073
1074         PR c++/25010
1075         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1076         DECL_EXTERNAL functions have no bodies.  Tidy.
1077
1078 2005-12-10  Andreas Schwab  <schwab@suse.de>
1079
1080         * except.c (switch_to_exception_section): Only define if
1081         TARGET_UNWIND_INFO is not defined.
1082
1083 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1084
1085         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1086         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1087
1088 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1089
1090         * output.h (init_section, fini_section): Delete.
1091         * varasm.c (init_section, fini_section): Delete.
1092         (init_varasm_once): Don't initialize them.
1093         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1094         there are no corresponding varasm.c variables.
1095
1096 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1097
1098         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1099         of EH_FRAME_SECTION_NAME into...
1100         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1101         if it is still null.
1102         * except.c (default_exception_section): Delete, moving most
1103         of the code to...
1104         (switch_to_exception_section): ...this new function.  Set
1105         exception_section if it is still null, then switch to it.
1106         (output_function_exception_table): Use switch_to_exception_section.
1107         * varasm.c (exception_section, eh_frame_section): Update comments.
1108         (get_section): Hoist use of SECTION_NAMED.
1109         (init_varasm_once): Don't set exception_section and eh_frame_section.
1110         * output.h (default_exception_section): Delete.
1111         (default_eh_frame_section): Delete.
1112
1113 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1114
1115         * config/bfin/bfin.c: Include "cgraph.h".
1116         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1117         Return the reg that holds the pointer to the GOT.
1118         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1119         doing stack checking.
1120
1121 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1122
1123         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1124         recompute_tree_invarant_for_addr_expr.
1125         Update uses everywhere.
1126
1127 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1128
1129         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1130         (MULTILIB_DIRNAMES): Define.
1131
1132 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1133
1134         PR target/25311
1135         * config/s390/s390.c (struct s390_address): New field literal_pool.
1136         (s390_decompose_address): Compute literal_pool field.  Do not 
1137         assume register %r13 is always (and solely) used as pool base.
1138         (s390_extra_constraint_str): Use literal_pool field.
1139
1140 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1141
1142         * config/mips/mips.c (override_options): Don't allow too small
1143         integers in FP registers.
1144
1145 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1146
1147         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1148         targetm.binds_local_p to check for local function calls.
1149
1150 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1151
1152         PR debug/24908
1153         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1154         call_used_regs can't be used to save reg in another reg.
1155
1156 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1157             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1158
1159         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1160         abort.
1161         * except.c (output_ttype): Likewise.
1162         * tree-object-size.c (collect_object_sizes_for): Likewise.
1163         (check_for_plus_in_loops_1): Likewise.
1164         (check_for_plus_in_loops): Likewise.
1165         (compute_object_sizes): Use gcc_unreachable instead of abort.
1166
1167 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1168
1169         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1170         (loop_end, loop_init, doloop_end): New insns.
1171         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1172         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1173         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1174         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1175         * config/ms1/ms1.c: #include basic-block.h
1176         (struct machine_function): Add has_loops field.
1177         (ms1_add_loop): New.
1178         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1179         (struct loop_info, struct loop_work): New.
1180         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1181         (ms1_reorg_loops): New loop optimization.
1182         (ms1_machine_reorg): Call it.
1183         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1184
1185 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1186
1187         PR tree-optimization/25248
1188         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1189         evolution_of_loop from the failed attempt.  Remove handling
1190         of MULT_EXPR.
1191
1192 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1193
1194         * tree.h (DECL_EXTERNAL): Clarify documentation.
1195
1196 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1197             Jakub Jelinek  <jakub@redhat.com>
1198
1199         PR target/25268
1200         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1201         argument.  Don't drop outer ANDs.
1202         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1203         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1204         prototype.
1205         * config/s390/predicates.md (setmem_operand): Remove.
1206         (shift_count_operand): Rename to...
1207         (shift_count_or_setmem_operand): ... this.  Adjust
1208         s390_decompose_shift_count caller.
1209         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1210         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1211         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1212         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1213         rotl<mode>3_and, setmem_long_and): New insns.
1214         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1215         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1216         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1217         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1218         of shift_count_operand.
1219         (setmem_long): Use shift_count_or_setmem_operand instead of
1220         setmem_operand.
1221
1222 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1223             Andreas Tobler  <a.tobler@schweiz.ch>
1224
1225         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1226         tr expression.
1227
1228 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1229
1230         * expr.c (force_operand): Use convert_to_mode for conversions.
1231
1232 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1233
1234         * reload.h (reg_equiv_invariant): Declare.
1235         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1236         register also when reg_equiv_invariant[R] is set.
1237
1238 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1239             Andreas Tobler  <a.tobler@schweiz.ch>
1240
1241         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1242
1243 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1244
1245         * tree-ssa-pre.c (bitmap_set_and): New function.
1246         (bitmap_set_and_compl): New function.
1247         (bitmap_set_empty_p): New function.
1248         (insert_extra_phis): New function.
1249         (compute_avail): Use insert_extra_phis.
1250
1251 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1252
1253         * config/s390/s390.c (s390_expand_atomic): New function.
1254         Adjust comment of helper functions.
1255         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1256         * config/s390/s390.md ("ATOMIC"): New code macro.
1257         ("atomic"): Corresponding new code attribute.
1258         ("sync_lock_test_and_set[hq]i", 
1259         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1260
1261 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1262
1263         * config/s390/s390.c (s390_expand_mask_and_shift, 
1264         struct alignment_context, init_alignment_context, 
1265         s390_expand_cs_hqi): New.
1266         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1267         * config/s390/s390.md ("sync_compare_and_swaphi",
1268         "sync_compare_and_swapqi"): New pattern.
1269
1270 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1271
1272         Fix PR tree-optimization/25291
1273         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1274         redundant and crashing check.
1275
1276 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1277
1278         PR target/25212
1279         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1280         tests further when !strict && reload_in_progress.
1281         (print_operand): Check that both operands of indexed address are regs.
1282         (print_operand_address): Likewise.
1283         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1284         (INT_REG_OK_FOR_BASE_P): Correct.
1285
1286 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1287
1288         Preparation for PR rtl-optimization/20070 / part1
1289         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1290         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1291         outgoing_edges_match.
1292         (outgoing_edges_match): Use condjump_equiv_p.
1293         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1294         into..
1295         * struct-equiv.c: New file.
1296         (death_notes_match_p) New function, broken out of insns_match_p.
1297         * Makefile.in (OBJS-common): Add struct-equiv.o.
1298         (struct-equiv.o): New target.
1299
1300 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1301
1302         * coretypes.h: Revert previous change.
1303         * config/darwin.h: Revert previous reversion.
1304         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1305
1306 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1307
1308         * coretypes.h (section): Provide dummy definition for target files.
1309         * config/darwin.h: Revert previous change.
1310
1311 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1312
1313         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1314         * configure.ac: Remove all.build and install-normal from target_list
1315         * configure: Regenerate.
1316         * Makefile.in (install): Don't depend on install-normal.
1317
1318 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1319
1320         * Makefile.in: Document the use of stamps.
1321
1322 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1323
1324         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1325         * Makefile.in: Add code to compute some dependencies on s-gtype
1326         automatically.  Remove the declaration of those dependencies.
1327
1328 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1329
1330         * gcc/reload.c (push_secondary_reload): Fix typo:
1331         s/insn_constraint/scratch_constraint/.
1332
1333 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1334
1335         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1336
1337 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1338
1339         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1340         (alpha_elf_select_rtx_section): Return the selected section rather
1341         than emitting assembly code.
1342         (alpha_write_linkage): Emit a ".link" directive directly and then
1343         set in_section to NULL.
1344         (vms_asm_out_constructor): Use switch_to_section.
1345         (vms_asm_out_destructor): Likewise.
1346         (unicosmk_output_common): Set in_section to NULL instead of calling
1347         the dummy common_section function.
1348         (unicosmk_text_section): Delete in favor of...
1349         (unicosmk_output_text_section_asm_op): ...this new function.
1350         (unicosmk_data_section): Delete in favor of...
1351         (unicosmk_output_data_section_asm_op): ...this new function.
1352         (unicosmk_init_sections): New function.
1353         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1354         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1355         the dummy ssib_section function.
1356         (unicosmk_section_buf): Delete.
1357         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1358         (unicosmk_data_section): Delete.
1359         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1360         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1361         (SECTION_FUNCTION_TEMPLATE): Delete.
1362         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1363         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1364         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1365         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1366         (TARGET_ASM_INIT_SECTIONS): Define.
1367         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1368         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1369         (link_section, literals_section): Delete.
1370         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1371         set in_section to NULL.
1372
1373         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1374         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1375         (COMMON_SECTION): Delete.
1376         (TARGET_ASM_INIT_SECTIONS): Define.
1377         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1378         the dummy common_section function.
1379         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1380         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1381         between readonly_data_section and text_section to check whether
1382         read-only data is being put in the text section.
1383         (arm_output_function_epilogue): Use switch_to_section.
1384         (arm_elf_asm_constructor): Likewise.
1385         (thumb_call_via_reg): Replace call to in_text_section with
1386         a comparison between in_section and text_section.
1387         (arm_file_end): Use switch_to_section.
1388         (aof_text_section): Delete in favor of...
1389         (aof_output_text_section_asm_op): ...this new function.
1390         (aof_data_section): Delete in favor of...
1391         (aof_output_data_section_asm_op): ...this new function.
1392         (aof_asm_init_sections): New function.
1393         (zero_init_section): Moved from config/arm/aof.h.
1394         (aof_dump_imports, aof_file_start): Use switch_to_section.
1395         * config/arm/arm.h (thumb_call_via_label): Update comment.
1396         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1397         (common_section): Delete.
1398         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1399         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1400         global switch_to_section function instead of the old port-local one.
1401         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1402         (SWITCH_TO_SECTION_FUNCTION): Delete.
1403         (drectve_section): Redefine as a macro.
1404         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1405         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1406         switch_to_section.
1407
1408         * config/avr/avr.c (progmem_section): New variable.
1409         (avr_output_progmem_section_asm_op): New function.
1410         (avr_asm_init_sections): New function.
1411         (avr_output_addr_vec_elt): Use switch_to_section.
1412         * config/avr/avr.h (progmem_section): Declare.
1413         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1414         (READONLY_DATA_SECTION): Delete.
1415         (TARGET_ASM_INIT_SECTIONS): Define.
1416         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1417         * config/avr/avr-protos.h (progmem_section): Delete.
1418
1419         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1420
1421         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1422         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1423
1424         * config/darwin-sections.def: New file.
1425         * config/darwin.c: Define all sections in darwin-sections.def.
1426         (output_objc_section_asm_op, darwin_init_sections): New functions.
1427         (machopic_output_indirection): Use switch_to_section.
1428         (machopic_select_section): Return the selected section rather than
1429         emitting assembly code.  Replace the static function table with
1430         inline conditional expressions.  Update the tests of last_text_section
1431         and move them into the FUNCTION_DECL block.
1432         (machopic_select_rtx_section): Return the selected section rather than
1433         emitting assembly code.
1434         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1435         (darwin_file_end): Use switch_to_section.
1436         * config/darwin.h: Use darwin-sections.def to declare sections.
1437         (INIT_SECTION_ASM_OP): Remove empty definition.
1438         (HAS_INIT_SECTION): Define this instead.
1439         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1440         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1441         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1442         (TARGET_ASM_INIT_SECTIONS): Define.
1443         * config/darwin-protos.h (darwin_init_sections): Declare.
1444         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1445         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1446         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1447         (constructor_section, destructor_section, mod_init_section): Delete.
1448         (mod_term_section): Delete.
1449         (darwin_exception_section, darwin_eh_frame_section): Delete.
1450         (machopic_select_section): Return a section.
1451         (machopic_select_rtx_section): Likewise.
1452         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1453         (const_section, const_coal_section, const_data_section): Delete.
1454         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1455         (literal4_section, literal8_section, constructor_section): Delete.
1456         (mod_init_section, mod_term_section, destructor_section): Delete.
1457         (objc_class_section, objc_meta_class_section, objc_category_section)
1458         (objc_class_vars_section, objc_instance_vars_section): Delete.
1459         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1460         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1461         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1462         (objc_symbols_section, objc_module_info_section): Delete.
1463         (objc_image_info_section, objc_protocol_section): Delete.
1464         (objc_string_object_section, objc_constant_string_object_section)
1465         (objc_class_names_section, objc_meth_var_names_section): Delete.
1466         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1467         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1468         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1469         (darwin_exception_section, darwin_eh_frame_section): Delete.
1470         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1471
1472         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1473         (frv_asm_out_destructor): Likewise.
1474         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1475         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1476         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1477         get_named_section.
1478         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1479         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1480         (data_section): Delete.
1481
1482         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1483         (DRECTVE_SECTION_FUNCTION): Delete.
1484         (drectve_section): Redefine as a macro that sets in_section after
1485         emitting the directive.
1486         (SWITCH_TO_SECTION_FUNCTION): Delete.
1487         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1488         in_text_section with comparison between in_section and text_section.
1489         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1490         rather than emitting assembly code.  Use get_named_section.
1491         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1492         get_named_section.
1493         (machopic_output_stub): Use switch_to_section.
1494         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1495         (nwld_named_section_asm_out_destructor): Use get_section and
1496         switch_to_section.
1497
1498         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1499         rather than emitting assembly code.
1500         (ia64_rwreloc_select_section): Likewise.
1501         (ia64_rwreloc_select_rtx_section): Likewise.
1502         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1503         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1504         switch_to_section.
1505         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1506         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1507
1508         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1509         section rather than emitting assembly code.
1510         (iq2000_select_section): Likewise.
1511         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1512         (sbss_section): Delete.
1513
1514         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1515         and get_named_section.
1516         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1517
1518         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1519         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1520         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1521         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1522         in_section to NULL.
1523         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1524         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1525         global switch_to_section function instead of the old port-local one.
1526         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1527         (SWITCH_SECTION_FUNCTION): Delete.
1528         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1529         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1530         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1531         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1532         in_section to NULL.
1533         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1534         global switch_to_section function instead of the old port-local one.
1535         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1536
1537         * config/mips/mips.c (mips_file_start): Update comment.
1538         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1539         (mips_output_aligned_decl_common): Use switch_to_section.
1540         (mips_select_rtx_section): Return the section rather than emitting
1541         assembly code.  Use get_named_section.
1542         (mips_function_rodata_section: Likewise get_section.
1543         (build_mips16_function_stub): Use switch_to_section.
1544         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1545         (SDATA_SECTION_ASM_OP): Delete.
1546         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1547         (EXTRA_SECTION_FUNCTIONS): Delete.
1548
1549         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1550         (mmix_asm_output_aligned_local): Use switch_to_section.
1551
1552         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1553         (som_one_only_readonly_data_section): New variables.
1554         (pa_output_function_epilogue): Set in_section to NULL instead of
1555         calling forget_section.
1556         (output_deferred_plabels): Use select_section.
1557         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1558         of calling forget_section.
1559         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1560         (pa_asm_output_aligned_local): Use select_section.
1561         (som_text_section_asm_op): Delete in favor of...
1562         (som_output_text_section_asm_op): ...this new function.
1563         (pa_som_asm_init_sections): New function.
1564         (pa_select_section): Return the section rather than emitting
1565         assembly code.
1566         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1567         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1568         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1569         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1570         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1571         (som_readonly_data_section, som_one_only_readonly_data_section)
1572         (som_one_only_data_section, forget_section): Delete.
1573         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1574         (TARGET_ASM_INIT_SECTIONS): Define.
1575         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1576
1577         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1578         (private_data_section, read_only_private_data_section): New variables.
1579         (sdata2_section, toc_section): New variables.
1580         (rs6000_file_start): Use switch_to_section.
1581         (rs6000_assemble_integer): Use comparisons against in_section
1582         instead of calling in_toc_section and in_text_section.  Use
1583         unlikely_text_section_p.
1584         (rs6000_elf_output_toc_section_asm_op): New function, derived
1585         from the old rs6000/sysv4.h toc_section function.
1586         (rs6000_elf_asm_init_sections): New function.
1587         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1588         the section rather than emitting assembly code.
1589         (machopic_output_stub): Use switch_to_section.
1590         (toc_section): Delete dummy function.
1591         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1592         switch_to_section and get_section.
1593         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1594         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1595         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1596         the old rs6000/xcoff.h toc_section function.
1597         (rs6000_xcoff_asm_init_sections): New function.
1598         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1599         the section rather than emitting assembly code.
1600         (rs6000_xcoff_file_start): Use switch_to_section.
1601         (rs6000_xcoff_file_end): Likewise.
1602         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1603         (sdata2_section, sbss_section, private_data_section): Delete.
1604         (read_only_data_section, read_only_private_data_section): Delete.
1605         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1606         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1607         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1608         (FINI_SECTION_FUNCTION): Delete.
1609         (TARGET_ASM_INIT_SECTIONS): Define.
1610         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1611         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1612         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1613         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1614         (READONLY_DATA_SECTION): Delete.
1615         (TARGET_ASM_INIT_SECTIONS): Define.
1616         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1617         to NULL rather than no_section.
1618         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1619
1620         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1621
1622         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1623         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1624         from call to current_function_section.
1625
1626         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1627         (bss100_section): New variable.
1628         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1629         (xstormy16_asm_init_sections): New function.
1630         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1631         switch_to_section and get_section.
1632         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1633         from calls to current_function_section.
1634         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1635         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1636         (TARGET_ASM_INIT_SECTIONS): Define.
1637         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1638
1639         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1640         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1641         (FINI_SECTION_FUNCTION): Delete.
1642
1643         * config/v850/v850.c: Include gt-v850.h.
1644         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1645         (zbss_section): New variables.
1646         (v850_output_aligned_bss): Use switch_to_section.
1647         (v850_asm_init_sections): New function.
1648         (v850_select_section): Return the section rather than emitting
1649         assembly code.
1650         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1651         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1652         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1653         (TARGET_ASM_INIT_SECTIONS): Define.
1654         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1655         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1656         (zbss_section): Delete.
1657
1658         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1659
1660         * config/vx-common.h (vxworks_exception_section): Delete.
1661         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1662
1663         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1664         section rather than emitting assembly code.
1665         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1666         switch_to_section.
1667
1668         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1669         * coretypes.h (section): New union and typedef.
1670         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1671         from call to current_function_section.
1672         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1673         (dbxout_symbol_location): Use switch_to_section.
1674         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1675         most of the code into...
1676         (default_eh_frame_section): ...here.  Return a section.
1677         (collect2_eh_frame_section): Delete, moving most of the code into..
1678         (switch_to_eh_frame_section): ...this new function.
1679         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1680         (debug_macinfo_section, debug_line_section, debug_loc_section)
1681         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1682         variables.
1683         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1684         eh_frame_section.  Use switch_to_section and get_section.
1685         (dwarf2out_begin_prologue): Use switch_to_section.
1686         (AT_string_form): Check the flags in debug_str_section instead of
1687         DEBUG_STR_SECTION_FLAGS.
1688         (output_comp_unit): Use switch_to_section, get_section, and
1689         debug_info_section.
1690         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1691         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1692         from call to current_function_section.
1693         (dwarf2out_var_location): Use unlikely_text_section_p.
1694         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1695         from call to current_function_section.
1696         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1697         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1698         debug_macinfo_section.
1699         (dwarf2out_init): Initialize the new section variables.  Use them
1700         instead of calls to named_section_flags.  Use switch_to_section.
1701         (output_indirect_string): Use switch_to_section and debug_str_section.
1702         (dwarf2out_finish): Use switch_to_section and the new section
1703         variables.
1704         * except.c (default_exception_section): Return the section instead
1705         of emitting assembly code.
1706         (output_function_exception_table): Use the global exception_section
1707         variable instead of the target hook.  Use switch_to_section.  Remove
1708         argument from call to current_function_section.
1709         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1710         (shorten_branches): Use pointer comparisons to detect whether the
1711         text section is the same as readonly_data_section.
1712         (profile_function): Use switch_to_section.  Remove argument from
1713         call to current_function_section.
1714         (final_scan_insn): Likewise.  Update use of last_text_section.
1715         * gengtype.c (open_base_files): Add an include of output.h.
1716         * output.h (text_section, data_section, readonly_data_section)
1717         (ctors_section, dtors_section, bss_section, init_section)
1718         (fini_section, sdata_section): Turn into section pointers.
1719         (in_text_section, in_unlikely_text_section, exports_section)
1720         (drectve_section, named_section, mergeable_string_section)
1721         (last_text_section_name): Delete.
1722         (default_exception_section, default_eh_frame_section): Return sections.
1723         (SECTION_DECLARED, SECTION_NAMED): New macros.
1724         (SECTION_MACH_DEP): Bump value.
1725         (section_common, named_section, unnamed_section): New structures.
1726         (unnamed_section_callback): New typedef.
1727         (section): New union.
1728         (sbss_section, exception_section, eh_frame_section): New variables.
1729         (in_section, last_text_section): Turn into section pointers.
1730         (get_unnamed_section, get_section, get_named_section): New functions.
1731         (mergeable_constant_section, function_section): Return a section.
1732         (unlikely_text_section): Likewise.
1733         (current_function_section): Likewise.  Remove the decl argument.
1734         (unlikely_text_section_p, switch_to_section): New functions.
1735         (output_section_asm_op): New function.
1736         (set_named_section_flags, named_section_flags, named_section_real)
1737         (named_section_first_declaration): Delete.
1738         (default_select_section, default_elf_select_section): Return a section.
1739         (default_elf_select_section_1, default_function_rodata_section)
1740         (default_no_function_rodata_section, default_select_rtx_section)
1741         (default_elf_select_rtx_section): Likewise.
1742         * rtl.h (in_data_section): Delete.
1743         * sdbout.c (sdbout_one_type): Use switch_to_section.
1744         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1745         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1746         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1747         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1748         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1749         (TARGET_ASM_OUT): Update after above changes.
1750         * target.h (init_sections): New hook.
1751         (exception_section, eh_frame_section): Delete.
1752         (select_section, select_rtx_section, function_rodata_section): Return
1753         a section rather than emitting assembly code.
1754         * varasm.c (text_section, data_section, readonly_data_section)
1755         (ctors_section, dtors_section, bss_section, init_section)
1756         (fini_section): Turn into section pointers.
1757         (sdata_section, sbss_section, exception_section): New variables.
1758         (eh_frame_section): New variable.
1759         (in_section): Make global and turn into a section pointer.
1760         (last_text_section): Turn into a section pointer.
1761         (unnamed_sections): New variable.
1762         (in_named_name, last_text_section_name): Delete.
1763         (EXTRA_SECTION_FUNCTIONS): Delete.
1764         (in_named_entry): Delete.
1765         (section_htab): New variable, replacing...
1766         (in_named_htab): ...this deleted variable.
1767         (section_entry_eq, section_entry_hash): New functions, based on...
1768         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1769         (get_unnamed_section, get_section): New functions.
1770         (unlikely_text_section): Return a section instead of emitting
1771         assembly code.
1772         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1773         (get_named_section_flags, named_section_first_declaration): Delete.
1774         (unlikely_text_section_p): New function.
1775         (named_section_real, named_section): Delete.
1776         (get_named_section): New function.
1777         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1778         (function_section): Return a section rather than emitting
1779         assembly code.
1780         (current_function_section): Likewise.  Remove argument.  Use
1781         last_text_section if nonnull, otherwise use function_section.
1782         (default_function_rodata_section): Return a section rather than
1783         emitting assembly code.  Use get_section.
1784         (default_no_function_rodata_section): Return a section rather than
1785         emitting assembly code.
1786         (variable_section): Use switch_to_section and get_named_section.
1787         (mergeable_string_section): Return a section rather than emitting
1788         assembly code.  Use get_section.  Make static.  Don't take special
1789         countermeasures for empty strings.
1790         (mergeable_constant_section): Return a section rather than emitting
1791         assembly code.  Use get_section.
1792         (default_named_section_asm_out_destructor): Use switch_to_section
1793         and get_section.
1794         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1795         (default_named_section_asm_out_constructor): Use switch_to_section
1796         and get_section.
1797         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1798         (assemble_start_function): Likewise.  Set last_text_section to
1799         NULL rather than no_section.  Change the type of save_section.
1800         (assemble_zeros, assemble_variable): Use the section flags to detect
1801         whether or not a section is text.
1802         (assemble_static_space): Use switch_to_section.
1803         (assemble_trampoline_template): Likewise.
1804         (output_constant_def_contents): Use switch_to_section and
1805         get_named_section.
1806         (output_constant_pool_1): Use switch_to_section.  Use the section
1807         flags to see whether sections contain mergeable data.
1808         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1809         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1810         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1811         whether a section has already been declared.
1812         (default_select_section, default_elf_select_section): Return a
1813         section rather than emitting assembly code.
1814         (default_elf_select_section_1): Likewise.  Use bss_section for
1815         SECCAT_BSS if nonnull.  Use get_named_section.
1816         (default_select_rtx_section): Return a section rather than
1817         emitting assembly code.
1818         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1819         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1820         (output_section_asm_op, switch_to_section): New functions.
1821         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1822         get_named_section.
1823
1824         * doc/tm.texi: Expand the introduction to the sections documentation.
1825         (TRAMPOLINE_SECTION): Document new interface.
1826         (SDATA_SECTION_ASM_OP): Document new macro.
1827         (READONLY_DATA_SECTION): Delete.
1828         (SDATA_SECTION_ASM_OP): Document new macro.
1829         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1830         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1831         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1832         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1833         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1834
1835 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1836
1837         * gcc.c (init_gcc_specs): Match braces inside conditionally
1838         compiled strings.
1839
1840 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1841
1842         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1843
1844 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1845
1846         PR C++/24138
1847         * tree.c (integer_all_onesp): Always return true if all bits on.
1848
1849         * testsuite/g++.dg/init/array0.C: New.
1850
1851 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1852
1853         * doc/md.texi: Adapt to implementation.
1854
1855 2005-12-06  Andreas Schwab  <schwab@suse.de>
1856
1857         * opts.c (decode_options): Fix typo in message.
1858
1859 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1860
1861         PR other/13873
1862         * longlong.h: Merge PPC tests from upstream.
1863
1864 2005-12-06  Richard Guenther  <rguenther@suse.de>
1865
1866         * fold-const.c (fold_convert): Do not build and fold
1867         CONVERT_EXPR, but always use NOP_EXPR.
1868
1869 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1870
1871         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1872         __builtin_ia32_paddq and __builtin_ia32_subq.
1873         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1874         __builtin_ia32_pshufw.
1875         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1876
1877 2005-12-05  James E Wilson  <wilson@specifix.com>
1878
1879         PR target/24934
1880         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1881         is set.
1882
1883 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1884         
1885         * print-tree.c (print_node): Ditto.
1886         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1887         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1888         before accessing DECL_ARTIFICIAL. 
1889         Handle new tag tree codes.
1890         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1891         changes.
1892         (unmodifiable_var_p): Ditto.
1893         * tree-flow.h (mem_tag_kind): Remove.
1894         (struct var_ann_d): Remove mem_tag_kind member.
1895         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1896         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1897         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1898         (group_aliases): Ditto.
1899         (setup_pointers_and_addressables): Ditto.
1900         (is_escape_site): Ditto.                                          
1901         (may_alias_p): Ditto.
1902         (create_tag_raw): New function.
1903         (create_memory_tag): Use it.
1904         (dump_alias_info): Update for tags.
1905         (may_be_aliased): Ditto.
1906         (add_type_alias): Ditto.
1907         (new_type_alias): Ditto.
1908         (create_sft): Ditto.
1909         (create_structure_vars): Ditto.
1910         * tree-ssa-ccp.c (get_default_value): Ditto.
1911         * tree-ssa-operands.c (get_expr_operands): Ditto.
1912         (add_stmt_operand): Ditto.
1913         (add_call_clobber_ops): Remove duplicated condition.
1914         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1915         tags.
1916         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1917         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1918         * tree.c (init_ttree): Update structures for new tree codes.
1919         (tree_code_size): Update sizes for new tree codes.
1920         (make_node_stat): Don't try to set common things on minimal
1921         structures.
1922         (tree_node_structure): Update for tags.
1923         (is_global_var): Ditto.
1924         * tree.def: Add new tree codes.
1925         * tree.h (MTAG_P): New macro.
1926         (TREE_MEMORY_TAG_CHECK): Ditto.
1927         (SSA_VAR_P): Update for tags.
1928         (struct tree_memory_tag): New structure.
1929         (MTAG_GLOBAL): New macro.
1930         (union tree_node): Add memory tag member.
1931         * treestruct.def (TS_MEMORY_TAG): New.
1932         
1933 2005-12-05  Dale Johannesen  <dalej@apple.com>
1934
1935         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1936         what was approved (PR 24323).
1937
1938 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1939
1940         * doc/c-tree.texi (Function Bodies): Remove description of
1941         RETURN_INIT.
1942
1943 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1944
1945         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1946         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1947         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1948         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1949         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1950         __divxc3): Document.
1951
1952 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1953
1954         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1955         previous behaviour.
1956         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1957         hook_bool_void_false.
1958         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1959         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1960
1961         * config/darwin.c (machopic_select_section): It's not defined
1962         as weak if it's only marked as weak_import.
1963         
1964         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1965         Prototype.
1966
1967         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1968         A hidden weak object does bind locally.  Strong linkonce data
1969         counts like any other strong symbol for binding.
1970         (weak_finish_1): Don't specially handle weakrefs, they no longer
1971         arrive here.
1972         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1973         * c-common.c (handle_alias_attribute): Allow static aliases
1974         of variables.
1975         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1976         * gthr-dce.h: Make weakrefs static.
1977         * gthr-tpf.h: Likewise.
1978         * gthr-solaris.h: Likewise.
1979         * gthr-posix.h: Likewise.
1980         * gthr-posix95.h: Likewise.
1981         * config/darwin.c (darwin_encode_section_info): static weakref
1982         variables are not necessarily defined in this translation unit.
1983         * doc/extend.texi (Function Attributes): Mention that an alias
1984         attribute creates a definition for the thing it's attached to.
1985         Change the documentation for weakref to say that the thing
1986         it's attached to must be static.
1987
1988         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1989         we don't go into an infinite loop.
1990
1991 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1992
1993         * config/rs6000/predicates.md (logical_const_operand): Split
1994         out of logical_operand.
1995         (logical_operand): Use it.
1996         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1997         logical_const_operand.
1998
1999 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2000
2001         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2002         and IX86_BUILTIN_CMPNESS.
2003         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2004         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2005         * config/i386/i386.md (movti_internal): Correct type attribute.
2006         Simplify mode attribute.
2007         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2008         Correct type attribute.
2009         (absxf2): Correct operator.
2010         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2011         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2012         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2013         mode attribute.
2014         (sse2_vmsqrtv2df2): Correct mode attribute.
2015
2016 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2017
2018         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2019         16 bits. Provide insn pattern for this case.
2020
2021 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2022
2023         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2024         result.
2025         (__popcountDI2): Likewise.
2026
2027 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2028
2029         PR target/25166
2030         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2031         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2032         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2033         functions.
2034
2035 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2036
2037         * c-typeck.c (null_pointer_constant_p): New function.
2038         (build_conditional_expr, build_c_cast, convert_for_assignment,
2039         build_binary_op): Use it.
2040
2041 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2042
2043         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2044         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2045         CONVERT_EXPR.
2046         (check_function_arguments_recurse): Allow both NOP_EXPR and
2047         CONVERT_EXPR but check conversions preserve precision.
2048         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2049         but check conversions preserve precision.
2050         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2051         default case.
2052
2053 2005-12-04  Roger Sayle  <roger@eyesopen.com>
2054
2055         PR c/7776
2056         * common.opt (Wstring-literal-comparison): New command line option.
2057         * c-opts.c (c_common_handle_option): Set it with -Wall.
2058         * c-typeck.c (parser_build_binary_op): Issue warning if either
2059         operand of a comparison operator is a string literal, except for
2060         testing equality or inequality against NULL.
2061
2062         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2063
2064 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2065
2066         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2067         of building a NOP_EXPR.
2068         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2069         NOP_EXPR.
2070         * c-convert.c (convert): Use fold_convert instead of building
2071         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2072         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2073         #if 0 code.
2074         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2075         NOP_EXPR the same as CONVERT_EXPR.
2076         * c-typeck.c (build_function_call): Use fold_convert instead of
2077         building a NOP_EXPR directly.
2078         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2079
2080 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2081
2082         PR rtl-optimization/25197
2083         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2084         have a reg.
2085
2086 2005-12-02  Stuart Hastings  <stuart@apple.com>
2087
2088         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2089         warning.
2090
2091 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2092
2093         * c-typeck.c (default_function_array_conversion,
2094         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2095         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2096         orig_op2.  Don't check them for NOP_EXPR.
2097         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2098         around integer zero.
2099
2100 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2101
2102         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2103         toc_save_offset, toc_size, lr_size.
2104         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2105         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2106         Adjust for removal of unused rs6000_stack_t fields.
2107         (debug_stack_info): Adjust.
2108         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2109         first, and don't bother checking for set/inc of lr on sibcalls.
2110         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2111
2112 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2113
2114         PR target/25199
2115         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2116         5 if operand 1 is not aligned.  Undo previous constraint change.
2117         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2118
2119 2005-12-02  Richard Guenther  <rguenther@suse.de>
2120
2121         * tree.h (build): Remove prototype.
2122         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2123         * tree.c (build): Remove.
2124         (build0_stat): Update comment.
2125
2126 2005-12-02  Richard Guenther  <rguenther@suse.de>
2127
2128         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2129         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2130         Likewise.
2131         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2132         maybe_fold_offset_to_component_ref): Likewise.
2133         * tree-ssa-dom.c (thread_across_edge,
2134         simplify_rhs_and_lookup_avail_expr,
2135         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2136         Likewise.
2137         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2138         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2139         lower_try_finally_switch): Likewise.
2140         * tree-if-conv.c (add_to_dst_predicate_list,
2141         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2142         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2143         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2144         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2145         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2146         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2147         gimplify_init_ctor_eval, gimplify_init_constructor,
2148         gimplify_variable_sized_compare, gimplify_boolean_expr,
2149         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2150         gimplify_expr, gimplify_body, gimplify_function_tree,
2151         force_gimple_operand): Likewise.
2152         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2153         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2154         mx_register_decls): Likewise.
2155         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2156         get_frame_field, finalize_nesting_tree_1): Likewise.
2157         * tree-inline.c (setup_one_parameter): Likewise.
2158         * tree-vect-transform.c (vectorizable_condition): Likewise.
2159         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2160         Likewise.
2161         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2162         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2163         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2164         * tree-chrec.h (build_polynomial_chrec): Likewise.
2165
2166 2005-12-02  Richard Guenther  <rguenther@suse.de>
2167
2168         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2169         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2170         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2171         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2172         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2173         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2174         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2175         Likewise.
2176         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2177         sh_adjust_unroll_max): Likewise.
2178         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2179         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2180         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2181         Likewise.
2182         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2183         Likewise.
2184         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2185         Likewise.
2186
2187 2005-12-02  Richard Guenther  <rguenther@suse.de>
2188
2189         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2190         simplify_cond_using_ranges): Use buildN instead of build.
2191         * tree-tailcall.c (adjust_accumulator_values,
2192         adjust_return_value): Likewise.
2193         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2194         generate_element_copy, generate_element_zero,
2195         generate_one_element_init): Likewise.
2196         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2197         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2198         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2199         perfect_nestify): Likewise.
2200
2201 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2202
2203         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2204
2205 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2206
2207         * ggc.h (GGC_RESIZEVEC): New.
2208
2209 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2210
2211         * gcc.c (execute): Improve readability.
2212
2213 2005-12-02  Richard Guenther  <rguenther@suse.de>
2214
2215         * tree-cfg.c (mark_used_vars): New function.
2216         (dump_function_to_file): Dump only used VAR_DECLs.
2217
2218 2005-12-02  Richard Guenther  <rguenther@suse.de>
2219
2220         * convert.c (convert_to_integer): Fix compare for nonpositive
2221         constant to use tree_int_cst_sgn <= 0.
2222
2223 2005-12-02  Richard Guenther  <rguenther@suse.de>
2224
2225         * convert.c (convert_to_integer): Use fold_convert instead
2226         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2227         instead of comparing against 0.  Use build_int_cst instead
2228         of converting integer_zero_node.
2229
2230 2005-12-02  Richard Guenther  <rguenther@suse.de>
2231
2232         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2233         and RROTATE_EXPR.
2234  
2235 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2236
2237         PR target/21017
2238         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2239         rotates.
2240
2241 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2242
2243         PR middle-end/25176
2244         * function.c (expand_function_end): Emit blockage for unwinder
2245         after return label.
2246
2247 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2248
2249         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2250         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2251         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2252         integer constant comparisons.
2253
2254 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2255             Janis Johnson  <janis187@us.ibm.com>
2256             David Edelsohn  <dje@watson.ibm.com>
2257             Ben Elliston  <bje@au.ibm.com>
2258
2259         * dfp.h, dfp.c: New files.
2260         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2261         (DECNUM_H): Likewise.
2262         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2263         (INCLUDES): Append $(DECNUMINC).
2264         (OBJS-common): Add dfp.o.
2265         (dfp.o): New rule.
2266         * real.h (EXP_BITS): Pinch one bit to ..
2267         (struct real_value): Add decimal field.
2268         (real_format): Change table size, update documentation.
2269         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2270         (real_from_string3): Declare.
2271         (decimal_single_format): Declare.
2272         (decimal_double_format): Declare.
2273         (decimal_quad_format): Declare.
2274         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2275         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2276         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2277         * real.c: Include dfp.h.
2278         (normalize): Early return for decimal floats.
2279         (do_add): Zero decimal field.
2280         (do_compare): Call do_decimal_compare for decimal floats.
2281         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2282         (real_arithmetic): Call decimal_real_arithmetic for decimal
2283         floating point operands.
2284         (real_identical): If a and b are of differing radix, return false.
2285         (real_to_integer): Call decimal_real_to_integer if the value is a
2286         decimal float.
2287         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2288         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2289         (real_to_hexadecimal): Place "N/A" in the return string for
2290         decimal float.
2291         (real_from_string3): New variant, given a mode.
2292         (real_maxval): Use decimal_real_maxval for decimal floats.
2293         (round_for_format): Use decimal_round_for_format for decimals.
2294         (real_convert): Use decimal_real_convert where appropriate.
2295         (significand_size): Handle base 10.
2296         (encode_decimal_single, decode_decimal_single,
2297         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2298         decode_decimal_quad): New functions.
2299         (decimal_single_format): New.
2300         (decimal_double_format): New.
2301         (decimal_quad_format): New.
2302         * machmode.def: Add SD, DD and TD decimal floating point modes.
2303         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2304         Include MODE_DECIMAL_FLOAT.
2305         (DECIMAL_FLOAT_MODE_P): New.
2306         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2307         * genmodes.c (struct mode_data): Add counter field.
2308         (struct mode_data): Update comment for format.
2309         (blank_mode): Initialise counter field.
2310         (new_mode): Increment counter field for each mode defined.
2311         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2312         using a format.
2313         (make_complex_modes): Handle modes containing `D'.
2314         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2315         (make_decimal_float_mode): New.
2316         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2317         (cmp_modes): Compare counter field if other characteristics
2318         similar.
2319         (emit_real_format_for_mode): Support formats for decimal floats.
2320         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2321         Document MODE_DECIMAL_FLOAT.
2322
2323 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2324
2325         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2326         Delete dead code.
2327
2328 2005-12-01  Richard Henderson  <rth@redhat.com>
2329
2330         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2331
2332 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2333
2334         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2335
2336         * config/pa/pa.c (pa_init_builtins): If we detect
2337         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2338         putc_unlocked.
2339
2340 2005-12-01  Richard Guenther  <rguenther@suse.de>
2341
2342         * fold-const.c (fold_binary): Use fold_build2, not
2343         fold (build (...)).
2344
2345 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2346
2347         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2348
2349         * vec.h (VEC_block_remove): New.
2350
2351 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2352
2353         PR c/13384
2354         * c-common.c (lvalue_error): Fix wording.
2355
2356 2005-12-01  Richard Guenther  <rguenther@suse.de>
2357
2358         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2359         thinko in last patch.
2360
2361 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2362
2363         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2364         than -flat_namespace.
2365
2366 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2367
2368         * mklibgcc.in: Parameterise the script to build soft float
2369         functions by iterating over each type, rather than cloning the
2370         code for each type.
2371
2372 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2373
2374         PR middle-end/25158
2375         * builtins.c (fold_builtin_fputs): Defer check for missing
2376         replacement functions.
2377
2378 2005-11-30  Kean Johnston  <jkj@sco.com>
2379
2380         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2381         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2382
2383 2005-11-30  Richard Guenther  <rguenther@suse.de>
2384
2385         PR tree-optimization/22501
2386         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2387         function split out from ...
2388         (forward_propagate_addr_expr): ... here.  Use it to propagate
2389         ADDR_EXPRs to all uses.
2390
2391 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2392
2393         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2394         * builtins.c (expand_builtin_mathfn): Use them.
2395         (expand_builtin_mathfn_2): Likewise.
2396         (expand_builtin_mathfn_3): Likewise.
2397         (expand_builtin_int_roundingfn): Likewise.
2398         (expand_builtin): Likewise.
2399         (integer_valued_real_p): Likewise.
2400         (fold_builtin_int_roundingfn): Likewise.
2401         (fold_builtin_bitop): Likewise.
2402         (fold_builtin_logarithm): Likewise.
2403         (fold_builtin_1): Likewise.
2404         * convert.c (convert_to_integer): Likewise.
2405         * fold-const.c (negate_mathfn_p): Likewise.
2406         (tree_expr_nonnegative_p): Likewise.
2407
2408 2005-11-30  Dale Johannesen  <dalej@apple.com>
2409             Andrew Pinski  <pinskia@physics.uc.edu>
2410
2411         * combine.c (find_split_point):  Sign extend bitmask
2412         when changing bitfield assignment to IOR of AND.
2413
2414 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2415
2416         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2417         clobber to scratch reg.
2418         (*decrement_and_branch_until_zero_no_clobber): Remove.
2419         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2420         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2421         * config/ms1/ms1.opt (mmul): Remove.
2422         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2423         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2424
2425 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2426             Bernd Schmidt  <bernd.schmidt@analog.com>
2427
2428         * pa/predicates.md (symbolic_operand): Add comment.
2429         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2430         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2431         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2432         (pa_secondary_reload_class): Delete.
2433         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2434         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2435         copy of symbolic operand.
2436         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2437
2438 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2439
2440         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2441         jump.
2442
2443 2005-11-30  Jeff Law  <law@redhat.com>
2444
2445         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2446         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2447
2448 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2449
2450         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2451         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2452         (ia64_expand_move): Adjust caller.
2453
2454         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2455         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2456         negate VAL.
2457
2458 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2459
2460         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2461         Always produce an output if we can remove NEGs or canonicalize
2462         (minus (minus ...)) expressions.  Provide a fast path for the
2463         two-operand case.
2464         (simplify_gen_binary): Do not call simplify_plus_minus.
2465         (simplify_binary_operation_1): Reassociate at the end of the
2466         function.
2467
2468 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2469
2470         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2471         moves and unpack to speed up.
2472
2473 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2474
2475         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2476         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2477         (gen_v9_scc): Update callers.
2478         * config/sparc/sparc.md: Likewise.
2479         * config/sparc/sparc-protos.h: Update extern declaration.
2480
2481         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2482
2483 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2484
2485         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2486         the if.
2487
2488 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2489
2490         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2491         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2492         (negate_expr): Here.
2493
2494 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2495
2496         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2497         Fix typo in comment.
2498
2499 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2500
2501         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2502         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2503
2504 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2505
2506         PR middle-end/20109
2507         PR middle-end/25120
2508         * builtins.c (init_target_chars): New.
2509         (expand_builtin_printf, expand_builtin_fprintf,
2510         expand_builtin_sprintf, fold_builtin_sprintf,
2511         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2512         fold_builtin_snprintf_chk, fold_builtin_printf,
2513         fold_builtin_fprintf): Check for matching format strings using
2514         the target charset.
2515
2516 2005-11-29  Paul Brook  <paul@codesourcery.com>
2517
2518         * config.gcc: Do not use fixproto on m68k-elf.
2519
2520 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2521
2522         * expmed.c (div_cost): Replace with...
2523         (sdiv_cost, udiv_cost): New.
2524         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2525         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2526         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2527         (expand_divmod): Replace use of div_cost with either sdiv_cost
2528         or udiv_cost depending upon the signedness of the operation.
2529
2530 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2531
2532         PR libfortran/24991
2533         * config/darwin.c (machopic_indirection_name,
2534         machopic_output_indirection): Follow transparent alias chain.
2535
2536 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2537
2538         * varasm.c (ultimate_transparent_alias_target): Add comment.
2539
2540 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2541
2542         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2543         SET_SRC instead of XEXP where appropriate.
2544
2545 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2546
2547         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2548         __builtin_expect.
2549
2550 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2551
2552         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2553         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2554         bit at a time.
2555
2556 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2557
2558         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2559         secondary_input_reload_class, made static.  Adapt to new
2560         infrastructure.
2561         (secondary_output_reload_class): Delete.
2562         (TARGET_SECONDARY_RELOAD): New macro.
2563         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2564         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2565
2566 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2567
2568         PR c++/21166
2569         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2570         when its natural alignment is > BITS_PER_UNIT.
2571         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2572         * c-common.c (handle_packed_attribute): Ignore packing on a field
2573         whose type is naturally char aligned.
2574
2575 2005-11-28  Richard Guenther  <rguenther@suse.de>
2576
2577         * c-common.c (strict_aliasing_warning): Handle all
2578         component-ref like accesses.
2579
2580 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2581             Uros Bizjak  <uros@kss-loka.si>
2582
2583         PR middle-end/20219
2584         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2585         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2586         when flag_unsafe_math_optimizations is set and
2587         we don't care about NaNs or Infinities.
2588
2589         Move x/expN(y) and x/pow(y,z) transformation into common
2590         flag_unsafe_math_optimizations section.
2591
2592 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2593
2594         * gcc.c (main): Change type of argv to "char **".
2595
2596 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2597
2598         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2599         small data sections.
2600         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2601         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2602         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2603         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2604         output locals to sbss if !rs6000_elf_in_small_data_p.
2605         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2606
2607 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2608
2609         PR target/24997
2610         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2611         generated by reload.
2612         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2613         indexed_or_indirect_address.
2614         (indexed_or_indirect_address): Don't test for base reg.  Call
2615         address_operand last.  Make it a special predicate.
2616
2617 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2618
2619         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2620
2621 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2622
2623         PR middle-end/24575
2624         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2625         is undefined.
2626         (negate_expr): Likewise.
2627
2628 2005-11-27  Andreas Schwab  <schwab@suse.de>
2629
2630         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2631         redundant parens.
2632
2633 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2634
2635         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2636         has EH predecessor edges.
2637
2638 2005-11-26  Eric Christopher  <echristo@apple.com>
2639
2640         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2641         register stalls by zero extending to the full register.
2642
2643 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2644
2645         * config/floatunsisf.c, config/floatunsidf.c,
2646         config/floatunsixf.c, config/floatunsitf.c: New files.
2647         * config/ia64/t-hpux: Add floatunsitf.c.
2648         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2649         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2650
2651 2005-11-26  Richard Henderson  <rth@redhat.com>
2652
2653         * c-lex.c (pragma_lex): Rename from c_lex.
2654         * c-pch.c: Update for pragma_lex rename.
2655         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2656         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2657         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2658         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2659         * doc/tm.texi: Likewise.
2660
2661 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2662
2663         PR middle-end/23669
2664         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2665         when overflow is undefined.
2666
2667 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2668
2669         * doc/md.texi (Insn Canonicalizations): Refer to the
2670         function commutative_operand_precedence for further rules.
2671
2672 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2673
2674         PR middle-end/21309
2675         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2676         is less than zero.  Limit mult_cost to a reasonable upper bound for
2677         the synthetic multiplication sequence.
2678
2679 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2680
2681         PR middle-end/25022
2682         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2683         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2684         Lookup the explicit replacement functions for any unlocked
2685         stdio builtin transformations.
2686
2687 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2688
2689         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2690         earlyclobber.
2691         * targhooks.c (default_secondary_reload): Don't require operand 2
2692         for an input reload to be earlyclobber.
2693
2694 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2695
2696         * fold-const.c (negate_mathfn_p): Fix comment and add support
2697         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2698         BUILT_IN_ATANH.
2699
2700 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2701
2702         PR middle-end/24998
2703         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2704         _Q_ulltoq for unsigned conversions from SImode and DImode to
2705         TFmode.
2706
2707 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2708
2709         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2710         (__floatundidf, __floatundisf): Likewise.
2711
2712 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2713
2714         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2715         (rs6000_override_options): Remove initialization of
2716         rs6000_sr_alias_set.
2717         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2718         (rs6000_emit_stack_tie): Same.
2719         (emit_frame_save): Same.
2720         (gen_frame_mem_offset): Same.
2721         (rs6000_emit_prologue): Same.
2722         (rs6000_emit_epilogue): Same.
2723
2724 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2725
2726         PR middle-end/24989
2727         * fold-const.c (fold_build): Convert bool_var != 1 and
2728         bool_var == 0 to !bool_var.
2729
2730 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2731
2732         PR middle-end/24990
2733         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2734         for C being INTEGER_CST.  Likewise for !=.
2735
2736 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2737
2738         PR middle-end/24998
2739         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2740         unsigned conversions from SImode to TFmode.
2741
2742 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2743
2744         * expr.c (expand_expr_real_1): Fix error in last change.
2745
2746 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2747
2748         * caller-save.c: (this_insn_sets): Move into:
2749         (save_call_clobbered_regs).
2750         (mark_set_regs): Get this_insn_sets from data.
2751
2752         (save_call_clobbered_regs): Take sets of the return value by
2753         sibcalls into account.
2754
2755 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2756         PR target/21623:
2757
2758         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2759         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2760         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2761         (memory_move_secondary_cost, init_reg_autoinc): Remove
2762         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2763         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2764         secondary_reload_class call.
2765         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2766         callers.
2767         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2768         (push_secondary_reload): Use secondary_reload target hook.
2769         (secondary_reload_class, scratch_reload_class): New functions.
2770         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2771         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2772         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2773         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2774         (secondary_reload_class, scratch_reload_class): Declare.
2775         * reload1.c: Include target.h.
2776         (reload_adjust_reg_for_temp): New function.
2777         (reload_adjust_reg_for_icode): Likewise.
2778         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2779         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2780         call.
2781         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2782         for inheritance.  Support case when both secondary & tertiary reloads
2783         are for intermediate registers.
2784         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2785         with secondary_reload_class call.  Support case when both secondary
2786         & tertiary reloads are for intermediate registers.
2787         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2788         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2789         * target.h (secondary_reload_info): New struct / typedef.
2790         (struct gcc_target): New member secondary_reload.
2791         * targhooks.c Include reload.h, optabs.h and recog.h.
2792         (default_secondary_reload): New function.
2793         * targhooks.h (default_secondary_reload): Declare.
2794         * doc/tm.texi: Document secondary_reload target hook.  Update
2795         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2796         * doc/md.texi: Likewise.
2797
2798         * sh-protos.h (sh_secondary_reload): Declare.
2799         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2800         (sh_secondary_reload): New function.
2801         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2802         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2803         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2804         (HAVE_SECONDARY_RELOADS): Define.
2805         * sh.md (reload_indf): Rename to:
2806         (reload_indf__frn).
2807         (reload_outdf): Rename to:
2808         (reload_outdf__RnFRm).
2809         (reload_insf): Rename to:
2810         (reload_insf__frn).
2811         (reload_insi): Rename to:
2812         (reload_insi__i_fpul).
2813
2814 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2815
2816         * configure.ac: Require at least texinfo 4.4.
2817         * configure: Regenerate.
2818
2819         * doc/install.texi (Tools/packages necessary for building GCC):
2820         Update required version of texinfo to at least 4.4.
2821         (Installing GCC: Building): Update required version of texinfo
2822         to at least 4.4.
2823         (Installing GCC: Final installation): Update required version
2824         of texi2dvi to at least 4.4.
2825         (Host/target specific installation notes for GCC): Update required
2826         version of texinfo to at least 4.4.
2827
2828 2005-11-24  Richard Guenther  <rguenther@suse.de>
2829         Dirk Mueller <dmueller@suse.de>
2830
2831         PR c++/14024
2832         * c-common.h (strict_aliasing_warning): Declare.
2833         * c-common.c (strict_aliasing_warning): New function,
2834         split out from ...
2835         * c-typeck.c (build_c_cast): ... here.
2836
2837 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2838
2839         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2840         to order operands.
2841         (swap_commutative_operands_with_target): New.
2842
2843 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2844
2845         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2846         also when doing PRE, rather than only for global CPROP.
2847
2848 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2849
2850         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2851         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2852         formatting.
2853         (expand_twoval_unop): Likewise.
2854         (widen_clz): Likewise.
2855         (expand_parity): Likewise.
2856         (expand_unop): Likewise.
2857         (emit_cmp_and_jmp_insn_1): Likewise.
2858         (prepare_float_lib_cmp): Likewise.
2859
2860 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2861
2862         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2863         Remove unused `class' variable.
2864
2865 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2866
2867         PR c++/21667
2868         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2869         C/C++ diagnostic function warn_array_subscript_with_type_char.
2870         * c-common.h (warn_array_subscript_with_type_char): Declare.
2871         * c-common.c (warn_array_subscript_with_type_char): Define.
2872
2873 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2874
2875         PR c/21668
2876         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2877         compiling at the intersection of C and C++.
2878
2879 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2880
2881         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2882         List @file in the option summary.  Include the libiberty
2883         documentation for @file.
2884         * gcc.c (main): Call expandargv.
2885         * Makefile.in (gcc-vers.texi): Define srcdir.
2886
2887 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2888
2889         * passes.c (init_optimization_passes): Document
2890         sequencing of passes.
2891
2892 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2893
2894         * config/m68k/predicates.md (pcrel_address, extend_operator,
2895         post_inc_operand, pre_dec_operand): Remove redundant
2896         conditionals.
2897         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2898         instead of abort.
2899         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2900
2901 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2902
2903         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2904
2905 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2906
2907         Preparatory work for PR target/21623:
2908         * alpha.c (secondary_reload_class): Rename to:
2909         (alpha_secondary_reload_class).
2910         * alpha.h, alpha-protos.h: Likewise.
2911         * mn10300.c (secondary_reload_class): Rename to:
2912         (mn10300_secondary_reload_class).
2913         * mn10300.h, mn10300-protos.h: Likewise.
2914         * pa.c (secondary_reload_class): Rename to:
2915         (pa_secondary_reload_class).
2916         * pa.h, pa-protos.h: Likewise.
2917         * rs6000.c (secondary_reload_class): Rename to:
2918         rs6000_secondary_reload_class.
2919         * rs6000.h, rs6000-protos.h: Likewise.
2920
2921 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2922
2923         PR middle-end/22561
2924         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2925
2926 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2927
2928         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2929         a mode_class.
2930         (prepare_cmp_insn): Likewise.
2931
2932 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2933
2934         PR target/23435
2935         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2936         if both operands[0] and operands[1] are memory.
2937
2938 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2939
2940         PR middle-end/23606
2941         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2942         COMPARISON_CLASS_P and an integral types create create a new
2943         expression with the new type and fold that.
2944
2945 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2946
2947         PR target/24988
2948         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2949         to SUBTARGET_OS_CPP_BUILTINS.
2950
2951 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2952
2953         * arm.c (emit_set_insn): New function.
2954         (arm_split_constant): Call it.
2955         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2956         (arm_legitimize_address): Likewise.  Use plus_constant.
2957         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2958         (thumb_expand_prologue): Likewise.
2959         (arm_gen_load_multiple): Use VOIDmode in SET.
2960         (arm_gen_store_multiple): Likewise.
2961         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2962         (emit_multi_reg_push): Likewise.
2963         (emit_sfm): Use plus_constant.
2964
2965 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2966
2967         PR target/24954
2968         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2969         typo last change.
2970
2971 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2972
2973         PR middle-end/24950
2974         * expmed.c (store_bit_field): Don't attempt to insv a field
2975         larger than the reg.
2976
2977 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2978
2979         PR target/24954
2980         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2981         explicit sign extension, not a (char) cast.
2982
2983 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2984
2985         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2986         GET_MODE_CLASS (x) == MODE_FLOAT.
2987         * config/i386/i386.c: Likewise.
2988         * config/rs6000/xcoff.h: Likewise.
2989         * config/rs6000/linux64.h: Likewise.
2990         * config/rs6000/rs6000.c: Likewise.
2991         * config/rs6000/rs6000.h: Likewise.
2992         * config/rs6000/predicates.md: Likewise.
2993         * config/rs6000/sysv4.h: Likewise.
2994
2995 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2996
2997         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2998         flag_pic is set.
2999
3000         * config/alpha/freebsd.h, config/alpha/linux.h,
3001         config/arm/linux-elf.h, config/bfin/bfin.h,
3002         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3003         config/i386/beos-elf.h, config/i386/gnu.h,
3004         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3005         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3006         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3007         config/rs6000/linux64.h, config/rs6000/sysv4.h,
3008         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3009         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3010         config/sparc/linux.h, config/sparc/linux64.h,
3011         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3012
3013         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3014         are both defined when either flag -fpic or -fPIC are used.
3015
3016 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3017
3018         * config/fp-bit.c (clzusi): New function.
3019         (si_to_float, usi_to_float): Use it to compute proper shift.
3020         (usi_to_float): Preserve guard bits when shifting right.
3021         * libgcc-std.ver (GCC_4.2.0): New version.
3022         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3023         __floatundisf): New functions.
3024         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3025         __floatundisf): Declare.
3026         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3027         _floatundixf, and _floatunditf.
3028         * optabs.c (expand_float): If target does not define a pattern for
3029         signed or unsigned conversion, use an unsigned libcall instead of
3030         a signed one.
3031         (init_optabs): Initialize ufloat_optab.
3032
3033 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3034
3035         * config/rs6000/rs6000.opt (mmulhw): New option.
3036         * doc/invoke.texi (-mmulhw): Document.
3037         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3038         for 405 and 440.
3039         * config/rs6000/rs6000.md: Add half-word multiply and
3040         multiply-accumulate instructions for 405 and 440.
3041
3042 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3043
3044         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3045         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3046         default now includes a linker group which makes the RTEMS one nest.
3047
3048 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3049
3050         * cse.c (fold_rtx): Typo fix.
3051         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3052
3053 2005-11-21  Richard Henderson  <rth@redhat.com>
3054
3055         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3056         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3057
3058         * c-tree.h (lookup_name): Move declaration ...
3059         * c-common.h (lookup_name): ... here.
3060         * config/darwin-c.c: Include c-common.h.
3061         * config/t-darwin: Update dependencies.
3062
3063 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3064
3065         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3066         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3067         * genopinit.c (gen_insn): Likewise.
3068         * reload.c (find_equiv_reg): Likewise.
3069         * loop.c (load_mems): Likewise.
3070         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3071         * cse.c (find_comparison_args, fold_rtx): Likewise.
3072         * dwarf2out.c (add_const_value_attribute): Likewise.
3073         * expr.c (convert_move): Likewise.
3074         * recog.c (general_operand, register_operand): Likewise.
3075         * reg-stack.c (replace_reg): Likewise.
3076         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3077         * c-common.c (handle_vector_size_attribute): Likewise.
3078         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3079         (simplify_binary_operation_1): Likewise.
3080         (simplify_const_binary_operation): Likewise.
3081         (simplify_relational_operation): Likewise.
3082         (simplify_const_relational_operation): Likewise.
3083         (simplify_immed_subreg): Likewise.
3084         * emit-rtl.c (gen_lowpart_common): Likewise.
3085         * expmed.c (expand_mult): Likewise.
3086         * stor-layout.c (layout_type): Likewise.
3087
3088 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3089
3090         PR target/24951
3091         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3092         cst2 only for SPE vectors.
3093
3094 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3095
3096         PR target/24953
3097         * config/rs6000/predicates.md (vrsave_operation): Check
3098         UNSPEC_VOLATILE value.
3099
3100 2005-11-21  Jan Hubicka  <jh@suse.cz>
3101
3102         PR tree-optimization/24653
3103         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3104
3105 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3106
3107         * config/i386/predicates.md (ax_reg_operand): New predicate.
3108         (memory_displacement_only_operand): New predicate.
3109         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3110         operand is AX register and the other operand is memory operand
3111         with displacement only.
3112
3113 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3114
3115         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3116         if we don't care about NaNs or Infinities.
3117
3118 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3119
3120         PR rtl-optimization/24883
3121         * combine.c (combinable_i3pat): When checking whether the
3122         destination of i3 is used in i3, consider paradoxical subregs.
3123
3124 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3125
3126         PR middle-end/20583
3127         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3128
3129 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3130
3131         * combine.c (try_combine): Do not run subst on i1src and i2src in
3132         the case of generating a PARALLEL for a comparison.
3133
3134 2005-11-20  Richard Henderson  <rth@redhat.com>
3135
3136         PR 24931
3137         * tree-sra.c (struct sra_elt): Add all_no_warning.
3138         (struct sra_walk_fns) <use>: Add use_all argument.
3139         (sra_walk_expr): Pass it.
3140         (sra_walk_modify_expr): Likewise.
3141         (scalarize_ldst): Likewise.
3142         (scan_use): Update for new argument.
3143         (mark_no_warning): New.
3144         (scalarize_use): Use it.
3145
3146 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3147
3148         * expr.c (expand_expr_real): Use usmul_optab for widening
3149         signed * unsigned multiplies.
3150         * genopinit.c (optabs): Add usmul_widen_optab.
3151         * optabs.c (init_optabs): Likewise.
3152         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3153         (usmul_widen_optab): Define.
3154         * config/bfin/bfin.md (usmulhisi3): New pattern.
3155
3156         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3157
3158 2005-11-20  Graham Stott <btinternet.com>
3159
3160         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3161
3162 2005-11-20  Andreas Schwab  <schwab@suse.de>
3163
3164         PR target/24757
3165         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3166         insn.
3167
3168 2005-11-19  Richard Henderson  <rth@redhat.com>
3169
3170         PR tree-opt/24665
3171         * tree-gimple.c (is_gimple_id): Export.
3172         * tree-gimple.h (is_gimple_id): Declare.
3173         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3174         (get_default_value): Use it.
3175         (maybe_fold_stmt_indirect): Likewise.
3176
3177 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3178
3179         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3180         than VR1 or vice-versa.
3181
3182 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3183
3184         PR middle-end/24912
3185         PR middle-end/24750
3186         * reload.c (find_reloads_address_1): Mention dependency on
3187         gen_reload.
3188         * reload1.c (gen_reload): For IN with an unary operation, try
3189         moving inner expression to OUT if trivial SET is not valid.
3190         Confirm that the result is valid.  Move common code block into...
3191         (emit_insn_if_valid_for_reload): New function.
3192
3193 2005-11-19  Richard Guenther  <rguenther@suse.de>
3194
3195         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3196         ARRAY_REFs of constant strings.
3197
3198 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3199
3200         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3201         fatal format string.
3202
3203 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3204
3205         * combine.c (make_compound_operation): Swap operands of
3206         commutative operation if necessary before returning.
3207
3208 2005-11-19  Richard Guenther  <rguenther@suse.de>
3209
3210         PR middle-end/23294
3211         * fold-const.c (fold_plusminus_mult_expr): New function.
3212         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3213         cases, remove now unnecessary code.
3214
3215 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3216
3217         * gensupport.c (old_preds): Rename to std_preds, add special field.
3218         (struct old_pred_table): Rename to struct std_pred_table, add special
3219         field.
3220         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3221         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3222         (init_predicate_table): Adjust, and set along the way whether a
3223         predicate is special.
3224
3225 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3226
3227         * BASE-VER: Change to 4.2.0.
3228
3229 2005-11-18  James E Wilson  <wilson@specifix.com>
3230
3231         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3232         returning it.
3233
3234 2005-11-18  Mike Stump  <mrs@apple.com>
3235
3236         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3237         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3238         * c-decl.c (lookup_name_two) Remove.
3239         * c-tree.h (lookup_name_two): Remove.
3240         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3241         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3242         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3243         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3244
3245 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3246
3247         PR target/24914
3248         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3249         when not generating code to use that co-processor.
3250
3251 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3252
3253         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3254         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3255         these functions are now in tree-phinodes.c.
3256
3257 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3258
3259         * config/bfin/bfin.md (trap): New pattern.
3260
3261 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3262
3263         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3264         on types.
3265
3266         * expr.c (expand_expr_real): Don't call record_block_change unless
3267         ib_boundaries_block is non-null
3268
3269         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3270
3271         * fold-const.c (build_range_check): Use proper type for subtraction
3272         when merging lower bound.
3273
3274 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3275
3276         PR rtl-optimization/24497
3277         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3278         the copied insn.
3279
3280 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3281
3282         * tree-scalar-evolution.c (expression_expensive_p): New function.
3283         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3284
3285 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3286
3287         * config/bfin/crtlibid.s: New file.
3288
3289 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3290
3291         PR target/24348
3292         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3293         when not using sjlj exceptions.
3294         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3295         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3296         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3297         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3298         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3299         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3300         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3301         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3302         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3303         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3304         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3305         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3306         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3307         defines.
3308         * config/pa/hpux-unwind.h: New file.
3309
3310 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3311
3312         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3313         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3314         * varasm.c (do_assemble_alias): Adjust call.
3315         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3316         is defined.
3317         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3318
3319 2005-11-17  James E Wilson  <wilson@specifix.com>
3320
3321         * tree.def (FUNCTION_DECL): Correct typo in comment.
3322
3323 2005-11-17  Richard Henderson  <rth@redhat.com>
3324
3325         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3326         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3327         and DW_CFA_def_cfa_sf.
3328         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3329         (dbx_reg_number): Don't assert particular registers here.
3330         (based_loc_descr): ... do it here instead.  Fold in ...
3331         (eliminate_reg_to_offset): ... this function.
3332         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3333         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3334         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3335         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3336         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3337         (instantiate_virtual_regs): Likewise.
3338         * var-tracking.c (adjust_stack_reference): Likewise.
3339         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3340
3341 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3342
3343         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3344         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3345         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3346         crtlibid.o.
3347         ($(T)crtlibid.o): New rule.
3348
3349 2005-11-16  Richard Guenther  <rguenther@suse.de>
3350
3351         PR middle-end/24851
3352         * fold-const.c (extract_array_ref): Return byte offset
3353         in all cases.
3354         (fold_binary): Fold &x[a] CMP &x[b] to
3355         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3356         behavior.
3357
3358 2005-11-16  Richard Henderson  <rth@redhat.com>
3359
3360         PR middle-end/23497
3361         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3362         parts of an SSA_NAME.
3363
3364 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3365
3366         PR target/24861
3367         * arm.md (split for movsf with immediate): Restrict split to insns
3368         that set a general register.
3369
3370 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3371
3372         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3373         uw_update_context.
3374         * unwind-dw2.c (uw_advance_context): Likewise.
3375         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3376         _Unwind_SjLj_Unregister.
3377         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3378
3379 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3380
3381         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3382
3383 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3384
3385         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3386         langhook to get a DImode integer type.
3387
3388 2005-11-16  Richard Henderson  <rth@redhat.com>
3389             J"orn Rennecke <joern.rennecke@st.com>
3390             Ulrich Weigand  <uweigand@de.ibm.com>
3391
3392         PR rtl-opt/24160
3393         PR target/24621
3394         * reload1.c (reg_equiv_invariant): New.
3395         (reload): Allocate, initialize, and free it.
3396         (calculate_needs_all_insns): Check it when skipping equivalence
3397         setting insns.
3398         (alter_reg): Likewise.
3399         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3400         may_use_invariant argument; only use reg_equiv_invariant when true.
3401         (eliminate_regs): New.
3402         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3403         a context for which may_use_invariant may be true.
3404
3405 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3406
3407         * fold-const.c (const_binop): Don't constant fold the operation
3408         if the result has overflowed and flag_trapping_math.
3409         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3410
3411 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3412
3413         * config/arm/unwind-arm.c (abort): Add prototype here.
3414         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3415         (struct phase1_vrs): Add prev_sp.
3416         (unwind_phase2_forced): Save the original core registers instead of
3417         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3418         and set action flags accordingly.  Always set _US_END_OF_STACK when
3419         get_eit_entry fails.  Unwind before calling the stop function.
3420         (_Unwind_GetCFA): New function.
3421         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3422         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3423         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3424         just call unwind_phase2_forced.
3425         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3426         * config/arm/unwind-arm.h (abort): Remove prototype.
3427         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3428         prototypes.
3429         (_Unwind_GetCFA): New prototype.
3430         * config/arm/pr-support.c (abort): Add prototype here.
3431         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3432         forced unwinding.
3433         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3434         not schedule the prologue with non-call exceptions and EABI.
3435
3436 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3437
3438         * config/arm/unwind-arm.h: Reorder interface function declarations.
3439         (_URC_END_OF_STACK): New enumeration value.
3440         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3441         (struct _Unwind_Control_Block): Document reserved field use.
3442         (_Unwind_Stop_Fn): New typedef.
3443         (_Unwind_ForcedUnwind): Declare.
3444         (_Unwind_Resume_or_Rethrow): Declare.
3445         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3446         argument.  Adjust.
3447         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3448         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3449         (UCB_FORCED_STOP_ARG): New.
3450         (search_EIT_table): Update boundary condition checks.
3451         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3452         (unwind_phase2): Replace for with do..while.
3453         (unwind_phase2_forced): New.
3454         (__gnu_Unwind_RaiseException): Replace for with do..while.
3455         (__gnu_Unwind_ForcedUnwind): New.
3456         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3457         Use appropriate phase2 unwinder.
3458         (__gnu_Unwind_Resume_or_Rethrow): New.
3459         (__gnu_unwind_pr_common): Cope with forced unwinding.
3460
3461 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3462
3463         PR target/24772
3464         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3465
3466         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3467         roundsf2): Remove "s" from mnemonic.
3468
3469 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3470
3471         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3472         __PIC__ is defined.
3473         * config/bfin/crtn.s: Change epilogues to match.
3474         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3475         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3476         __PIC__ and __pic__.
3477
3478 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3479
3480         PR 24357
3481         * doc/invoke.texi: Distinguish between free and fixed form instead of
3482         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3483         languages.
3484         * gcc.c (default_compilers): Remove double entries, add entries for
3485         suffixes '.F90' and '.F95'.
3486
3487 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3488
3489         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3490         in the stack probing loop.
3491
3492 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3493
3494         * configure.ac: Use .machine power5 not power5x.
3495         * configure: Regenerate.
3496
3497 2005-11-15  Mike Stump  <mrs@apple.com>
3498
3499         * c-decl.c (lookup_name_two): Add.
3500         * c-tree.h (lookup_name_two): Likewise.
3501         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3502         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3503
3504 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3505
3506         PR rtl-optimization/23392
3507         * regrename.c (enum scan_actions) Add mark_access.
3508         (scan_actions_name): Ditto.
3509         (scan_rtx_reg): Handle mark_access.
3510         (scan_rtx_address): Do nothing for mark_access.
3511         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3512         and regs in REG_INC notes before closing chains for dead regs.
3513         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3514         opening chains for new writes.
3515
3516 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3517
3518         * c.opt (ffixed-line-length-none): New.
3519
3520 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3521
3522         * mklibgcc.in: Change contents of eh_dummy.c.
3523
3524 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3525
3526         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3527
3528 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3529
3530         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3531         of making syscalls.
3532         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3533
3534 2005-11-15  Jan Hubicka  <jh@suse.cz>
3535
3536         * invoke.texi (large-unit-insns): Document.
3537         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3538         * params.def (large-unit-insns): New param.
3539
3540 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3541
3542         PR target/24869
3543         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3544         special register for operand 3.  Reindent constraints to align
3545         them vertically.
3546
3547 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3548
3549         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3550         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3551         * configure.ac: Add test for FP rounding instructions.
3552         * configure: Regenerate.
3553         * config.in: Regenerate.
3554         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3555         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3556         features enabled.
3557         * config/rs6000/rs6000.opt (mfprnd): New.
3558         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3559         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3560         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3561         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3562         (TARGET_FPRND): New.
3563         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3564         UNSPEC_FRIZ): New.
3565         (btrunc<mode>2): New.
3566         (ceil<mode>2): New.
3567         (floor<mode>2): New.
3568         (round<mode>2): New.
3569
3570 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3571
3572         * gcc.c (version_compare_spec_function): Use fatal() rather than
3573         abort().
3574
3575         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3576         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3577         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3578         as empty.
3579         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3580         link in crt2.o.
3581
3582         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3583         on -mmacosx-version-min setting.
3584
3585 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3586
3587         PR 24840
3588         * tree-vrp.c (infer_value_range): Return false if STMT is a
3589         block terminator and its basic block has no successors.
3590
3591 2005-11-14  Mike Stump  <mrs@apple.com>
3592
3593         * config/i386/i386.c (override_options): -masm=intel isn't
3594         supported on darwin.
3595         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3596
3597 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3598
3599         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3600         vfork after including auto-host.h.
3601
3602 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3603
3604         PR rtl-optimization/22002
3605         * combine.c (distribute_notes): Detect cases where a reg dies
3606         two or more times in a bb, including on the insn we are combining,
3607         and place the death note on the correct range.
3608
3609 2005-11-14  Dale Johannesen  <dalej@apple.com>
3610
3611         * expmed.c (store_bit_field):  Add offset unconditionally for
3612         memory targets.
3613         (extract_bit_field):  Don't force extzv or extv operand into
3614         a register if field is too big.
3615
3616 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3617
3618         * config/arm/arm.c (pic_labelno): New.
3619         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3620         LABEL_REF.  Pass only the labelno to PIC insns.
3621         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3622         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3623         * arm.md (UNSPEC_PIC_LABEL): New constant.
3624         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3625         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3626         Use the correct label prefix.
3627
3628 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3629
3630         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3631         REQ_EQUIV note.
3632
3633 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3634
3635         * loop-invariant.c: Include tm_p.h.
3636         * Makefile.in: Updated.
3637
3638 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3639
3640         * pa.c (store_reg): Revise generation of frame notes in large frames.
3641         (set_reg_plus_d): Likewise.
3642
3643 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3644
3645         PR tree-optimization/24709
3646         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3647         loop check.
3648
3649 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3650
3651         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3652         and duplicate declaration of pthread_self.
3653
3654 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3655             Ian Lance Taylor  <ian@airs.com>
3656
3657         PR middle-end/24003
3658         * calls.c (expand_call): If TARGET is a MEM and some part of the
3659         argument area has been saved, force TARGET to a register.
3660
3661 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3662
3663         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3664         checking.
3665
3666 2005-11-13  Jason Merrill  <jason@redhat.com>
3667
3668         PR c++/22489
3669         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3670         lazily declared methods.
3671         (force_decl_die): Stop if forcing out the context already make a
3672         DIE for the decl.
3673         (force_type_die): Likewise.
3674
3675 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3676
3677         PR middle-end/24820
3678         * builtins.c (integer_valued_real_p): Add break in
3679         REAL_CST having TREE_OVERFLOW set.
3680
3681 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3682
3683         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3684         addressing modes during calculation of costs.
3685
3686 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3687
3688         * function.c (assign_stack_local_1): Restrict sanity check
3689         on frame size overflow to 32-bit and above platforms.
3690
3691 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3692
3693         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3694         * config/cris/cris.c: Include reload.h.
3695         (cris_initial_elimination_offset): New function.
3696         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3697         Prototype.
3698
3699 2005-11-12  Richard Guenther  <rguenther@suse.de>
3700
3701         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3702
3703 2005-11-12  Jan Hubicka  <jh@suse.cz>
3704
3705         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3706         to compare against 0 when possible.
3707
3708 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3709
3710         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3711         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3712         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3713         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3714         in the new order.
3715
3716 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3717
3718         * recog.c (constrain_operands) <case 'g'>: For a match, require
3719         that a non-register matches general_operand when strict >= 0.
3720
3721 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3722
3723         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3724         previous checkin.
3725
3726 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3727
3728         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3729         (memory_address_same): New.
3730         (dse_optimize_stmt): Call memory_address_same.
3731
3732 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3733
3734         PR middle-end/24750
3735         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3736         ZERO_EXTEND>: New cases.
3737
3738 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3739
3740         * longlong.h (__clz_tab): Always provide.
3741
3742 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3743
3744         PR 24265
3745         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3746         can be assigned to.
3747         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3748         before check_maybe_invariant.
3749         (move_invariant_reg): Use gen_move_insn instead of replacing
3750         SET_DEST with the temporary for the invariant.
3751         (move_loop_invariants): If checking is enabled, do internal
3752         consistency checks after completing the pass.
3753
3754 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3755
3756         PR 24644
3757         * common.opt (Wvolatile-register-var): New.
3758         * varasm.c (make_decl_rtl): Only emit warning when option
3759         specified.  Clarify warning message.
3760         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3761
3762         * doc/md.texi (copysign): Document standard named pattern.
3763
3764 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3765
3766         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3767         bytes when align is 2.
3768         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3769         by the first instruction of the loop.
3770
3771 2005-11-11  Jason Merrill  <jason@redhat.com>
3772
3773         PR c++/24686
3774         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3775         the cleanup list.
3776
3777 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3778
3779         PR rtl-optimization/22509
3780         * local-alloc.c (memref_used_between_p): Check whether a function call
3781         could not reference the memref.
3782
3783 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3784
3785         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3786         algorithm so as to choose the best, not the worst, alternative.
3787         Reset accumulated register class before processing next alternative.
3788
3789 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3790
3791         PR target/24445
3792         * calls.c (expand_call): Copy a return value to a plain register
3793         if needed.
3794
3795 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3796
3797         PR target/24778
3798         * varasm.c (assemble_name): Recompute name only for transparent
3799         aliases.
3800
3801 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3802
3803         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3804
3805 2005-11-04  Jeff Law  <law@redhat.com>
3806
3807         PR middle-end/23181
3808         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3809         perform reassociation if the parent statement will not die as
3810         a result of the optimization.
3811
3812 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3813
3814         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3815         delete_old_heap_vars.
3816         * tree-dfa.c (referenced_var_remove): Remove function.
3817         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3818         (delete_tree_ssa): Remove call to delete_old_heapvars.
3819         Add call to delete_alias_heapvars.
3820         * tree-flow.h (referenced_var_remove): Remove prototype
3821         (init_alias_heapvars): New prototype.
3822         (delete_alias_heapvars): Ditto.
3823         * Makefile.in (tree-ssa-structalias.o): Add
3824         gt-tree-ssa-structalias.o
3825         (GTFILES): Add tree-ssa-structalias.h and
3826         tree-ssa-structalias.c.
3827         (s-gtype): Add gt-tree-ssa-structalias.h.
3828         * tree-ssa-structalias.c (heapvars): Remove.
3829         (oldheapvars): Remove.
3830         (heapvar_for_stmt): New variable.
3831         (heapvar_lookup): New function.
3832         (heapvar_insert): Ditto.
3833         (get_constraint_for): See if we have an old heapvar
3834         to reuse.
3835         (init_alias_heapvars): New function.
3836         (delete_alias_heapvars): Ditto.
3837         Add include of gt-tree-ssa-structalias.h.
3838
3839 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3840
3841         PR middle-end/22127
3842         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3843
3844 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3845
3846         * tree.c (int_fits_type_p): Only look at the base type
3847         if it has the same precision as the original type.
3848
3849 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3850
3851         PR other/4372
3852         * varasm.c (assemble_alias): Use %q+D in the error
3853         message instead of %J and %qD.
3854
3855 2005-11-10  Richard Guenther  <rguenther@suse.de>
3856
3857         * gcse.c (free_ldst_entry): Only free hashtable if
3858         it exists.
3859
3860 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3861
3862         * function.c (assign_stack_local_1): Issue an error message if
3863         the frame size overflows in the signed target arithmetics.
3864
3865 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3866
3867         * tree.c (build_qualified_type): Chain the new type to the original
3868         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3869         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3870         (build_pointer_type_for_mode): Only return unqualified types.
3871         (build_reference_type_for_mode): Likewise.
3872
3873 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3874
3875         * Makefile.in (gnucompare): Do comparison of all files using one of
3876         the chosen methods and only afterwards decide if just warning should
3877         be issued or comparison failure raised.
3878
3879 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3880
3881         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3882         (noce_try_abs): Negate if the comparison is reversed.
3883         Look only one instruction backwards for a REG_EQUAL note.
3884
3885 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3886
3887         PR other/4372
3888         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3889         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3890         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3891         and prefix all uses with __ghtrw.
3892
3893 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3894
3895         PR other/4372
3896         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3897         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3898         * c-common.c (handle_weakref_attribute): New.
3899         (c_common_attribute_table): Add weakref.
3900         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3901         in the assembler.
3902         * configure, config.in: Rebuilt.
3903         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3904         * doc/extend.texi: Document weakref attribute.
3905         * varasm.c (ultimate_transparent_alias_target): New
3906         (assemble_name): Use it.
3907         (weak_finish_1): Split out of...
3908         (weak_finish): ... and deal with weakrefs in...
3909         (weakref_targets): ... new list.
3910         (globalize_decl): Clean up weakref_targets.
3911         (do_assemble_alias): Handle weakrefs.
3912         (finish_aliases_1): Do not reject weakrefs to external symbols.
3913         (assemble_alias): Handle weakrefs.
3914
3915 2005-11-09  Richard Guenther  <rguenther@suse.de>
3916
3917         PR tree-optimization/24716
3918         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3919         t_bool to track results from follow_ssa_edge.
3920
3921 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3922
3923         * final.c (force_source_line): New global variable.
3924         (final_scan_insn): Set it to true instead of clearing last_filename.
3925         (notice_source_line): Return true if force_source_line is true,
3926         unless source info is absent.
3927
3928 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3929
3930         PR c/24644
3931         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3932         a linkage name for a variable if it a register variable.
3933         * c-decl.c (grokdeclarator): Global register variables
3934         should be set as PUBLIC.
3935
3936 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3937
3938         PR 24624
3939         * config/s390/s390.c (struct s390_frame_layout): New fields
3940         first_save_gpr_slot and last_save_gpr_slot.
3941         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3942         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3943         first_save_gpr and last_save_gpr with the _slot variants.
3944         (s390_register_info): Calculate first_save_gpr_slot and
3945         last_save_gpr_slot using regs_ever_live.
3946
3947 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3948
3949         PR 24623
3950         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3951         for a function containing a landing pad.
3952
3953 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3954
3955         PR 24034
3956         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3957         is live afterwards.
3958
3959 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3960
3961         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3962         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3963
3964 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3965
3966         Add ms2 support
3967         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3968         constants.
3969         (call,load,store): New insn types.
3970         (mem_access, branch_access): Adjust reservation conditions.
3971         (define_delay): Adjust condition.
3972         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3973         type.
3974         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3975         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3976         insn type.
3977         (call_internal, call_value_internal, return_internal,
3978         return_interrupt_internal, eh_return_internal, indirect_jump,
3979         tablejump): Set call insn type.
3980         (blockage, ei, di): Use appropriate unspec const.
3981         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3982         (ms1_get_attr_type): Adjust to give load & store types.
3983         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3984         backwards past a barrier.
3985         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3986         branch scheduling.
3987         (struct branch_info, struct label_info): New.
3988         (ms1_labels): New.
3989         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3990         (ms1_machine_reorg): New.
3991         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3992         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3993         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3994         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3995         (TARGET_MS2): New.
3996
3997 2005-11-09  Per Bothner  <per@bothner.com>
3998             Uros Bizjak  <uros@kss-loka.si>
3999
4000         PR c/24101
4001         * toplev.c (process_options): Initialize debug_hooks early
4002         in case lang_hooks.post_options ends up calling a debug_hook.
4003
4004 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
4005
4006         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4007         DBX_REGISTER_NUMBER being contiguous.
4008
4009 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
4010             Diego Novillo  <dnovillo@redhat.com>
4011
4012         PR 23046
4013         * tree-vrp.c (register_edge_assert_for): Do not register
4014         always-false predicates.
4015
4016 2005-11-08  Devang Patel <dpatel@apple.com>
4017
4018         PR tree-optimization/23115
4019         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4020         relation.
4021
4022 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
4023
4024         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4025         -mcpu=440.
4026
4027 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
4028
4029         Fix PR tree-optimization/23382
4030
4031         * tree-ssa-alias.c (compute_may_aliases): Call
4032         delete_old_heap_vars.
4033         * tree-dfa.c (referenced_var_remove): New function.
4034         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4035         * tree-flow.h (referenced_var_remove): Add prototype.
4036         (delete_old_heap_vars): Ditto.
4037         * tree-ssa-structalias.c (heapvars): New variable.
4038         (oldheapvars): Ditto.
4039         (get_constraint_for): Put heap vars on heapvars list.
4040         (delete_old_heap_vars): New function.
4041
4042 2005-11-08  Jason Merrill  <jason@redhat.com>
4043
4044         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4045
4046 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
4047
4048         PR target/19340
4049         * reg-stack.c (reg_to_stack): Update register liveness also
4050         for flag_sched2_use_traces.
4051
4052 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
4053
4054         PR target/23704
4055         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4056         override prior explicit -mno-powerpc-gfxopt.
4057
4058 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
4059
4060         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4061         if the bitsize is zero.
4062         * doc/md.texi (Standard Pattern Names): Document it.
4063
4064         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4065         (TARGET_PASS_BY_REFERENCE): Likewise.
4066
4067 2005-11-07  Ian Lance Taylor  <ian@airs.com>
4068
4069         PR rtl-optimization/24683
4070         * config/i386/i386.c (legitimize_pic_address): If constant operand
4071         to PLUS is too large, put it in a register.
4072
4073 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
4074
4075         * configure.ac: Enable checking assembler dwarf2 support for bfin
4076         target.
4077         * configure: Regenerate.
4078
4079 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4080
4081         PR target/24230
4082
4083         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4084         gen_easy_vector_constant_add_self): Delete.
4085         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4086         New.
4087         (output_vec_const_move): Use gen_easy_altivec_constant.
4088         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4089         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4090         (easy_vector_constant_add_self): Rewritten.
4091         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4092         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4093         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4094         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4095         Macroize and adjust for the other changes.
4096
4097 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4098
4099         PR c/24599
4100
4101         * c-typeck.c (build_c_cast): Try using a shared constant, and see
4102         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4103
4104 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
4105
4106         PR rtl-optimization/23567
4107         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4108         (noce_process_if_block): Don't do any optimizations except
4109         if (cond) x = x; if !set_b and write into orig_x may trap
4110         or fault.  Remove the MEM_READONLY_P check.
4111
4112 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
4113
4114         PR 24670
4115         * tree-vrp.c (fix_equivalence_set): New.
4116         (extract_range_from_assert): Call it.
4117
4118 2005-11-05  Ian Lance Taylor  <ian@airs.com>
4119
4120         PR target/22432
4121         * combine.c (apply_distributive_law): Don't distribute across a
4122         vector mode subreg.
4123
4124 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4125
4126         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4127         config/ms1/ms1.h, config/rs6000/predicates.md,
4128         config/s390/s390.c, params.def, postreload-gcse.c,
4129         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4130         tree-vrp.c, tree.c: Fix comment typos.
4131         * doc/invoke.texi: Fix typos.
4132
4133 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4134
4135         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4136         for testing whether the data_dependence_relation contains distance
4137         vectors.  Iterate over all distance vectors of the ddr.
4138         * lambda.h: Define a vec of lambda_vector pointers.
4139         * tree-data-ref.c (dump_data_dependence_relation,
4140         dump_data_dependence_direction): Iterate over all distance and
4141         direction vectors of the ddr.
4142         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4143         DDR_DIST_VECTS.
4144         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4145         of distance/direction vectors instead of a single one.
4146         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4147         lambda_vectors with a vec of lambda_vectors.
4148         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4149         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4150         DDR_NUM_DIST_VECTS): New.
4151         * tree-loop-linear.c (gather_interchange_stats): Test for the
4152         existence of distance vectors only after having checked that there
4153         is a dependence.  Iterate over all distance vectors of the ddr.
4154         (linear_transform_loops): Use dump_data_dependence_relation.
4155         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4156         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4157         distance vectors of the ddr.
4158
4159 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4160
4161         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4162         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4163         IS_INTHANDLER; all callers changed.
4164         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4165         account.
4166         (do_link, do_unlink): New argument ALL; all callers changed.
4167         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4168         If function isn't leaf, save and restore all registers.
4169         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4170         exception handler.
4171
4172 2005-11-05  Jan Hubicka  <jh@suse.cz>
4173
4174         PR rtl-optimization/23490
4175         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4176         max-flow-memory-location): Document.
4177         * flow.c: Include params.h
4178         (MAX_MEM_SET_LIST_LEN): Kill.
4179         (add_to_mem_set_list): Use new param.
4180         * cse.c (cse_basic_block): Replace 1000 by new param.
4181         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4182         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4183         * predict.c (predict_loops): Use new param.
4184         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4185
4186         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4187         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4188         Do not hold memory returned by cgraph_node_name across other call.
4189
4190 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4191
4192         PR target/23424
4193         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4194         Disable.
4195
4196 2005-11-04  Jeff Law  <law@redhat.com>
4197
4198         PR/21883
4199         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4200         * tree-ssa-dom.c: Include params.h.
4201         (thread_across_edge): If there are too many statements in the
4202         target block, then do not thread through it.
4203         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4204         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4205
4206 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4207
4208         PR 24627
4209         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4210         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4211
4212 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4213
4214         PR/18595
4215         * tree-scalar-evolution.c (instantiate_parameters_1,
4216         instantiate_parameters, resolve_mixers): Compute the size of an
4217         expression to be instantiated and give up the instantiation if the
4218         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4219
4220 2005-11-04  Richard Guenther  <rguenther@suse.de>
4221
4222         * tree-flow.h (ref_contains_indirect_ref): Rename to
4223         array_ref_contains_indirect_ref.
4224         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4225         (array_ref_contains_indirect_ref): Make comment match the code
4226         and vice-versa.
4227         (ref_contains_array_ref): Likewise.
4228         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4229         ref_contains_indirect_ref.
4230         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4231         Rename calls to ref_contains_indirect_ref.
4232
4233 2005-11-04 Paul Brook  <paul@codesourcery.com>
4234
4235         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4236         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4237         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4238         * config/arm/arm.md: Use match_operand in peephole input templates
4239         and match_dup in peephole output templates.
4240
4241 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4242
4243         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4244         __aeabi_uidiv.
4245
4246 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4247             Daniel Jacobowitz  <dan@codesourcery.com>
4248
4249         * longlong.h (add_ssaaaa): Clobber condition code register
4250         in ARM version.
4251         (sub_ddmmss): Likewise.
4252         (umul_ppmm): Likewise.
4253
4254 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4255             Paul Brook  <paul@codesourcery.com>
4256             Phil Blundell  <pb@reciva.com>
4257
4258         * configure.ac: Add test for ARM TLS support.
4259         * configure: Regenerated.
4260         * config/arm/arm-protos.h (legitimize_tls_address)
4261         (arm_tls_referenced_p, tls_mentioned_p)
4262         (arm_output_addr_const_extra): New prototypes.
4263         (thumb_legitimize_pic_address): Delete.
4264         * config/arm/arm.c: Include "gt-arm.h".
4265         (enum tls_reloc): New.
4266         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4267         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4268         (arm_call_tls_get_addr, legitimize_tls_address)
4269         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4270         (arm_init_tls_builtins, arm_emit_tls_decoration)
4271         (arm_output_addr_const_extra): New functions.
4272         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4273         (TARGET_HAVE_TLS): Define.
4274         (target_thread_pointer): New.
4275         (arm_override_options): Handle -mtp=.
4276         (legitimize_pic_address): Ignore UNSPECs.
4277         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4278         relative symbols.
4279         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4280         (tls_get_addr_libfunc): New variable.
4281         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4282         (arm_init_builtins): Call arm_init_tls_builtins.
4283         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4284         (arm_encode_section_info): Call default_encode_section_info.
4285         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4286         (enum arm_tp_type): New.
4287         (target_thread_pointer): Add declaration.
4288         (LEGITIMATE_CONSTANT_P): Handle TLS.
4289         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4290         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4291         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4292         * config/arm/arm.md: Add UNSPEC_TLS.
4293         (movsi): Handle TLS.
4294         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4295         non-PIC.
4296         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4297         (load_tp_hard, load_tp_soft): New insns.
4298         * arm.opt: Add -mtp=.
4299         * doc/invoke.texi (ARM Options): Document -mtp.
4300
4301 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4302
4303         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4304         * config/arm/libunwind.S: Include "lib1funcs.asm".
4305         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4306         (LIB2ADDEH): Add libunwind.S.
4307         (LIB2ADDEHDEP): Add lib1funcs.asm.
4308         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4309
4310 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4311
4312         PR fortran/18452
4313         * gcc/c.opt: Add a -lang-fortran option.
4314         * gcc/c-opts.c: Add a lang_fortran flag.
4315         (c_common_init_options): Handling the -lang-fortran option.
4316         (c_common_handle_option): Add a case for Fortran options in
4317         preprocessing. Remove cases for -ffixed-form and
4318         -ffixed-line-length. Add a case for -lang-fortran.
4319
4320 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4321
4322         * config/rs6000/rs6000.c: Include params.h
4323         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4324         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4325         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4326         (UNSPEC_VPKUWSS): Delete.
4327         (altivec_vpkuhss): Delete.
4328         (altivec_vpkuwss): Delete.
4329         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4330         final condition.
4331         (neg_eq0<mode>): Remove final condition.
4332         (neg_eq<mode>): Remove condition and split-condition.
4333
4334 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4335
4336         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4337         Use associated print macros.
4338
4339 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4340
4341         PR c++/17964
4342         * diagnostic.c (diagnostic_set_info_translated): New function.
4343         (diagnostic_set_info): Use it.  Add comment.
4344         * diagnostic.h (diagnostic_set_info_translated): Declare.
4345
4346 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4347
4348         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4349         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4350         reference only if 'public' is true.
4351         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4352         emit the .hidden directive only if the indirect reference is public.
4353         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4354         Pass it to dw2_force_const_mem.
4355         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4356         * dwarf2out.c (output_cfi): Adjust calls to above function.
4357         (output_call_frame_info): Likewise.
4358         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4359         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4360
4361 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4362
4363         PR tree-optimization/24483
4364         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4365         field to elts if possible.
4366
4367 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4368
4369         PR middle-end/23155
4370         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4371         CONSTRUCTOR.
4372
4373 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4374
4375         Fix PR tree-optimization/24351
4376
4377         * tree-ssa-structalias.c (struct variable_info): Add
4378         collapsed_into.
4379         (get_varinfo_fc): New function to follow collapsing.
4380         (new_var_info): Set collapsed_to to NULL.
4381         (dump_constraint): Follow collapsing.
4382         (build_constraint_graph): Handle collapsing.
4383         (do_simple_structure_copy): Return false if something bad
4384         happened.
4385         (collapse_rest_of_var): New function.
4386         (do_structure_copy): Collapse if do_simple_structure_copy returns
4387         false.
4388
4389 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4390
4391         PR middle-end/24589
4392         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4393         expressions to a statement list instead of gimplifying them.
4394
4395 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4396
4397         PR rtl-optimization/23585
4398         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4399         that can't trap plus a constant integer, if the mode has zero size.
4400
4401 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4402
4403         PR target/24620
4404         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4405         as operand 2.
4406         ("*insv<mode>_reg_extimm"): Likewise.
4407
4408 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4409
4410         PR c/24329
4411         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4412         c_common_type_for_mode returns an unnamed type.
4413
4414 2005-11-02  Richard Henderson  <rth@redhat.com>
4415
4416         PR target/9350
4417         PR target/24374
4418         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4419         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4420         * function.c (assign_parms): Use calls.internal_arg_pointer.
4421         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4422         code.
4423         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4424         (TARGET_CALLS): Add it.
4425         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4426         * targhooks.c (default_internal_arg_pointer): New.
4427         * targhooks.h (default_internal_arg_pointer): Declare.
4428         * tree.h (dwarf2out_reg_save_reg): Declare.
4429         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4430         * config/i386/i386.c (dbx_register_map): Add return column.
4431         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4432         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4433         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4434         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4435         (ix86_save_reg): Save force_align_arg_pointer.
4436         (ix86_emit_save_regs): Make regno unsigned.
4437         (ix86_emit_save_regs_using_mov): Likewise.
4438         (ix86_expand_prologue): Handle force_align_arg_pointer.
4439         (ix86_expand_epilogue): Likewise.
4440         * config/i386/i386.h: (dbx_register_map): Update.
4441         (dbx64_register_map, svr4_dbx_register_map): Update.
4442         (struct machine_function): Add force_align_arg_pointer.
4443         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4444         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4445         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4446
4447 2005-11-02  Jan Hubicka  <jh@suse.cz>
4448
4449         PR target/23303
4450         * i386.md: Add peep2 for simplyfing array accesses.
4451
4452 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4453
4454         PR target/24615
4455         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4456         * config/s390/s390.c (s390_decompose_shift_count): New function.
4457         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4458         (print_shift_count_operand): Use s390_decompose_shift_count.
4459         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4460         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4461
4462 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4463
4464         PR target/24600
4465         * loop.c (loop_givs_rescan): Use force_operand to expand
4466         complex GIVs.
4467
4468 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4469
4470         PR 22429
4471         * fold-const.c (build_range_check): Use unsigned when signed
4472         overflow is undefined also.  If etype is subtype, make sure that
4473         the subtraction is in the supertype.
4474
4475 2005-11-02  Richard Henderson  <rth@redhat.com>
4476
4477         PR target/24178
4478         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4479         by MEM_ALIGN.
4480
4481 2005-11-01  Richard Henderson  <rth@redhat.com>
4482
4483         PR 21518
4484         * loop.c (scan_loop): Do not propagate computations to a hard
4485         register destination with SMALL_REGISTER_CLASSES.
4486
4487 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4488
4489         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4490         costs for MULT inside PLUS or MINUS.
4491
4492 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4493
4494         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4495         (TRAMPOLINE_SIZE): Round up to 60.
4496         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4497
4498 2005-10-31  James E. Wilson  <wilson@specifix.com>
4499
4500         PR debug/24444
4501         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4502         ifdef.  Put ifdefs around call in gen_subprogram_die.
4503         (compute_frame_pointer_to_cfa_displacement): Likewise.
4504         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4505         not defined.
4506
4507         PR rtl-optimization/17356
4508         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4509         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4510
4511 2005-10-31  Jan Hubicka  <jh@suse.cz>
4512
4513         PR middle-end/24093
4514         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4515
4516         PR target/20928
4517         * i386.c (legitimize_pic_address): Deal with large immediates.
4518
4519         PR profile/20815
4520         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4521         from symbol names while computing checkup.
4522
4523         PR profile/24487
4524         * predict.c (predict_loops): Do not estimate more than
4525         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4526         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4527
4528 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4529
4530         PR tree-optimization/19097
4531         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4532
4533 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4534
4535         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4536
4537 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4538
4539         PR middle-end/23492
4540         * tree-inline.c (setup_one_parameter): If the init_stmt
4541         is NULL, don't insert the statement.
4542
4543 2005-10-30  Jan Hubicka  <jh@suse.cz>
4544
4545         PR tree-optimization/24172
4546         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4547
4548 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4549
4550         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4551         constants for hosts with long != 32 bits.
4552
4553 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4554
4555         PR middle-end/24093
4556         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4557
4558 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4559
4560         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4561         (TARGET_MS1_16_002): New.
4562         (TARGET_MS1_16_003): New.
4563
4564         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4565         ("*decrement_and_branch_until_zero_no_clobber"): New.
4566         Add corresponding splitter for decrement_and_branch_until_zero
4567         instruction.
4568         Key all decrement_and_branch_until_zero patterns off of
4569         TARGET_MS1_16_003.
4570
4571 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4572
4573         PR middle-end/24362
4574         * tree-complex.c (extract_component): Treat RESULT_DECL
4575         like the rest of the decls.
4576
4577 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4578
4579         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4580         indirect call to _mcount if the function needs a static chain.
4581
4582 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4583             Caroline Tice  <ctice@apple.com>
4584
4585         PR rtl-optimization/24460
4586         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4587         (dwarf2out_switch_text_section): Set it to true instead of
4588         incrementing separate_line_info_table_in_use.
4589         (output_loc_list): Additionally test have_switched_text_sections.
4590         (output_ranges): Likewise.
4591         (dwarf2out_finish): Likewise.
4592         * varasm.c (assemble_start_function): Do not call
4593         insert_section_boundary_note.
4594         (assemble_end_function): If flag_reorder_blocks_and_partition,
4595         switch to the function's section before emitting the .size directive.
4596         * bb-reorder.c (insert_section_boundary_note): Staticify.
4597         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4598         * output.h (insert_section_boundary_note): Delete.
4599
4600 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4601
4602         PR c/23103
4603         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4604         instead of pointer equality when comparing types.
4605
4606 2005-10-24  James E. Wilson  <wilson@specifix.com>
4607
4608         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4609         add_dependence_list_and_free calls.
4610
4611 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4612
4613         * contrib.texi: Add the names of the LLNL folks who donated
4614         Cray pointer support for gfortran.
4615
4616 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4617
4618         PR tree-optimization/24225
4619         * profile.c (branch_prob): Look from end to start through a
4620         basic block when looking for a locus.
4621
4622 2005-10-24  Richard Henderson  <rth@redhat.com>
4623
4624         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4625         parallel.
4626         (hppa_expand_prologue): Likewise.
4627
4628 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4629
4630         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4631         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4632         * pa.h (NO_PROFILE_COUNTERS): Define.
4633         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4634         (funcdef_nos): New vector to hold label numbers of deferred profile
4635         counters.
4636         (output_deferred_profile_counters): New function.
4637         (hppa_profile_hook): Push label number onto funcdef_nos.
4638         (pa_hpux_file_end): Call output_deferred_profile_counters if
4639         NO_DEFERRED_PROFILE_COUNTERS is false.
4640
4641         * pa-protos.h (get_deferred_plabel): New prototype.
4642         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4643         Make global.
4644         (output_call): Adjust calls.
4645
4646 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4647
4648         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4649         peculiarity of GOT/TOC section usage.
4650
4651 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4652
4653         PR objc/24435
4654          * c-common.c (constant_string_class_name): Add documentation.
4655
4656 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4657
4658         PR target/23832
4659         * recog.c (peephole2_optimize): Increment peep2_current_count
4660         only when the slot is empty.
4661
4662 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4663
4664         PR ada/23957
4665         * except.c (output_function_exception_table): Call
4666         assemble_external_libcall if we need a personality function.
4667
4668 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4669
4670         PR rtl-optimization/24460
4671         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4672         set the basic block for barriers.
4673
4674 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4675
4676         * var-tracking.c (vt_initialize): Initialize post.
4677
4678 2005-10-21  Devang Patel  <dpatel@apple.com>
4679
4680         PR/24220
4681         * c-common.c (vector_types_convertible_p): Check vector element type.
4682
4683 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4684
4685         * config/sh/sh.c (prepare_move_operands): Handle the address
4686         constant which is a tls symbolic address plus a constant.
4687
4688 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4689
4690         PR driver/24473
4691         * gcc.c (main): Use the correct counter for erroring out
4692         about mulitple files.
4693
4694 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4695
4696         PR target/24465
4697         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4698         use r2 for 64-bit tls .got access.
4699
4700 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4701
4702         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4703         TRUTH_OR_EXPR.
4704
4705 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4706
4707         PR tree-optimization/24307
4708         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4709
4710 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4711
4712         PR middle-end/24295
4713         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4714         alias targets.
4715         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4716         is ready, stop marking functions, but still mark variables.
4717
4718 2005-10-20  Richard Guenther  <rguenther@suse.de>
4719
4720         PR c++/24439
4721         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4722         void type operands.
4723
4724 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4725
4726         PR rtl-optimization/23585
4727         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4728         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4729         (may_trap_p_1): New predicate extracted from...
4730         (may_trap_p): ... here.  Invoke may_trap_p_1.
4731         (may_trap_or_fault_p): New predicate.
4732         * rtl.h (may_trap_or_fault_p): Declare it.
4733         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4734         instead of may_trap_p.
4735         (steal_delay_list_from_fallthrough): Likewise.
4736         (fill_simple_delay_slots): Likewise.
4737         (fill_slots_from_thread): Likewise.
4738         * function.c (pad_to_arg_alignment): Rework comment about
4739         SPARC_STACK_BOUNDARY_HACK.
4740         * config/sparc/sparc.h: Likewise.
4741
4742 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4743
4744         * config/s390/s390.c (s390_expand_insv): New.
4745         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4746         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4747         ("icm_hi"): Remove mode attribute.
4748         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4749         Adjust all uses.
4750         ("*extracthi", "*extractqi"): Remove.
4751         (extv<mode>", "*extzv<mode>"): New.
4752         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4753         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4754
4755 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4756
4757         * cfgexpand.c (discover_nonconstant_array_refs_r,
4758         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4759         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4760         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4761         discover_nonconstant_array_refs.
4762
4763 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4764
4765         PR c/23228
4766         * c-decl.c (pop_scope): Don't warn about an unused variable
4767         if it is marked with TREE_NO_WARNING.
4768         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4769         somenow mismatch and olddecl is to be replaced.
4770
4771 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4772
4773         PR middle-end/23199
4774         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4775         whether registers live on the edge can be saved/restored.
4776
4777 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4778
4779         * config/sh/sh.c (fixup_mova): Skip notes.
4780
4781 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4782
4783         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4784         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4785         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4786         (s390_initial_elimination_offset): Likewise.
4787         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4788         register on TARGET_ZARCH targets.
4789         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4790         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4791         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4792         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4793
4794 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4795
4796         * config/s390/s390.md: Comment describing output modifiers updated.
4797         * config/s390/s390.c (print_operand): Likewise.
4798
4799 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4800
4801         * config/s390/s390.c (override_options): Added check for -mstack-size
4802         64k limitation.
4803         * doc/invoke.texi: Mention that limit in the documenation.
4804
4805 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4806
4807         PR #19672
4808         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4809
4810 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4811
4812         Fix PR tree-optimization/24231
4813
4814         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4815         (compute_avail): Ditto.
4816
4817 2005-10-18  Richard Henderson  <rth@redhat.com>
4818
4819         PR target/24428
4820         * config/i386/i386.c (legitimate_constant_p): Check
4821         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4822         if LABEL_REF.
4823         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4824         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4825         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4826         directly.
4827         (print_operand_address): Likewise.
4828         * config/i386/predicates.md (x86_64_immediate_operand): Test
4829         SYMBOL_REF_TLS_MODEL properly inside CONST.
4830         (x86_64_zext_immediate_operand): Likewise.
4831         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4832         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4833         * config/i386/i386-protos.h: Remove predicates.md entries.
4834
4835 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4836
4837         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4838         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4839
4840 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4841             Ian Lance Taylor <ian@airs.com>
4842
4843         PR middle-end/23522
4844         * fold-const.c (fold_widened_comparison): Do not allow range based
4845         constant folding when right operand cannot be unwidened.
4846
4847 2005-10-17  Richard Henderson  <rth@redhat.com>
4848
4849         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4850         with a memory clobber.
4851
4852 2005-10-17  James E Wilson  <wilson@specifix.com>
4853
4854         PR rtl-optimization/17356
4855         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4856         checking for EDGE_EH.
4857
4858 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4859
4860         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4861         the slot on an even boundary for any type with 16-byte alignment.
4862
4863 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4864
4865         PR target/23424
4866         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4867         after register allocation.
4868
4869 2005-10-17  DJ Delorie  <dj@redhat.com>
4870
4871         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4872         as frame related.
4873
4874 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4875
4876         PR c++/22551
4877         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4878         overflow flags.
4879
4880 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4881
4882         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4883         to 2 if it's already non-zero.
4884         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4885         is set and warn about it if flag_schedule_insns is 1.
4886
4887 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4888
4889         * config/crx/crx.md: Compare-and-branch instructions need to
4890         invalidate CC.
4891
4892 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4893
4894         PR target/24315
4895         * config/i386/i386.md (*pushdi2_rex64 splitter)
4896         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4897         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4898         flow2 pass only when (optimize > 0 && flag_peephole2).
4899
4900 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4901
4902         PR driver/22544
4903         * gcc.c (have_c): New static variable.
4904         (have_o): Likewise.
4905         (process_command): Remove declation of have_c.
4906         Set have_o to 1 when handling -o.
4907         (main): Add a fatel error if there are multiple
4908         files specified and -o and -c/-S is passed witout
4909         -combine or multiple languages.
4910
4911 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4912
4913         Fix PR tree-optimization/22444
4914         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4915         Assert that we don't hit something with subvars.
4916         (setup_pointers_and_addressables): Don't add things with subvars,
4917         because we'll already process the subvars for aliasing purposes.
4918
4919 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4920
4921         PR target/23424
4922         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4923         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4924         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4925         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4926         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4927         swapped, alternatives for the R constraint.
4928
4929         PR middle-end/24341
4930         * builtins.c (get_builtin_sync_mode): Make unlimited
4931         mode_for_size request.
4932
4933 2005-10-15  Richard Henderson  <rth@redhat.com>
4934
4935         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4936         (gimplify_expr): ... here.
4937         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4938         fb_lvalue in base expression.
4939
4940 2005-10-15  Richard Henderson  <rth@redhat.com>
4941
4942         PR 23714
4943         * builtins.c (expand_builtin_trap): Export.
4944         * expr.h (expand_builtin_trap): Declare.
4945         * expr.c (expand_assignment): Emit a trap for integral offsets
4946         from registers that weren't reduced to bitpos.
4947
4948         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4949         (mark_array_ref_addressable): Remove.
4950         * tree-flow.h (mark_array_ref_addressable): Remove.
4951         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4952
4953 2005-10-15  James E Wilson  <wilson@specifix.com>
4954
4955         PR target/24232
4956         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4957         (add_dependence_list_and_free): Likewise.
4958         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4959         call.
4960
4961 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4962
4963         PR 23141
4964         PR 23142
4965         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4966         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4967         anti-range.
4968         (vrp_visit_phi_node): Only prevent infinite iterations when
4969         the previous result and the new result are both VR_RANGEs.
4970
4971 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4972
4973         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4974         function comment.
4975
4976 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4977
4978         PR c/23439
4979         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4980         to initialize loc.
4981
4982 2005-10-14  Per Bothner  <per@bothner.com>
4983
4984         PR preprocessor/21250
4985         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4986
4987 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4988
4989         PR c++/22551
4990         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4991         overflow flags.  Refactor some conditionals.
4992
4993 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4994
4995         PR tree-opt/21304
4996         * tree-dfa.c (add_referenced_var): Only look at decls which
4997         have TREE_CONSTANT or TREE_READONLY set instead of if
4998         !TREE_PUBLIC or !TREE_CONSTANT.
4999
5000 2005-10-13  James E Wilson  <wilson@specifix.com>
5001
5002         * doc/invoke.texi: For -x, add f95-cpp-input.
5003         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5004
5005 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5006
5007         PR tree-optimization/24262
5008         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5009         in loop all the time.
5010
5011 2005-10-12  Richard Henderson  <rth@redhat.com>
5012
5013         PR c/24255
5014         * tree.h (DECL_TRANSPARENT_UNION): Remove.
5015         * function.c (assign_parm_find_data_types): Don't support it.
5016         * print-tree.c (print_node): Likewise.
5017         * c-common.c (handle_transparent_union_attribute): Likewise.
5018         Use build_duplicate_type.
5019         * tree-inline.c (remap_type_1): Split out of remap_type;
5020         properly remap aggregate fields.
5021         (build_duplicate_type): New.
5022         * doc/extend.texi (Variable Attributes): Remove documentation
5023         for transparent_union.
5024
5025 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5026
5027         PR target/24284
5028         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5029         (gen_stack_pointer_dec): Likewise.
5030
5031 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
5032
5033         PR middle-end/21275
5034         PR middle-end/21766
5035         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5036         target hook.
5037         (struct cxx): Add adjust_class_at_definition target hook.
5038         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5039         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5040         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5041         hook_void_tree. Add to TARGET_CXX.
5042         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5043         dllimport_flag.
5044         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5045         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5046         instead of attribute. Check for dllexport override.  Warn if
5047         inconsistent dll linkage. Don't lose old dllimport if decl has
5048         had address referenced.   Tweak lookup of dllimport atribute.
5049         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5050         for target specific rules.  Don't add dllimport attribute if
5051         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
5052         dllimport attribute.
5053         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5054         * varasm.c (initializer_constant_valid_p): Replace
5055         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5056
5057         PR target/21801
5058         PR target/23589
5059         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5060         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5061         (i[34567]86-*-mingw32*): Likewise.
5062
5063         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5064         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5065
5066         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5067         C++-specific code. Change return value to bool.
5068         (i386_pe_dllimport_p): Likewise.
5069         (associated_type): Simplify and make language-independent
5070         (i386_pe_encode_section_info): Replace override of ambiguous
5071         dllimport symbol refs with a gcc_assert.
5072         (i386_pe_valid_dllimport_attribute_p): Define.
5073         * config/i386/winnt-cxx.c: New file. Define C++ versions of
5074         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5075         i386_pe_adjust_class_at_definition.
5076         * config/i386/winnt-stubs.c: New file. Define stub versions of
5077         lang-specific functions.
5078         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5079         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5080         i386_pe_adjust_class_at_definition.
5081         (i386_pe_valid_dllimport_attribute_p): Declare.
5082         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5083         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5084         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5085
5086         PR target/19704
5087         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5088         dllimport attribute with test of DECL_DLLIMPORT_P.
5089
5090 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
5091
5092         * combine.c (make_extraction): Correct offset computation.
5093
5094 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5095
5096         * config/cris/t-linux (LIMITS_H_TEST): Define.
5097
5098 2005-10-12  Richard Henderson  <rth@redhat.com>
5099
5100         PR rtl-opt/23324
5101         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5102
5103 2005-10-12  Richard Guenther  <rguenther@suse.de>
5104
5105         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5106
5107 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5108
5109         PR c++/19964
5110         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5111         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5112         type.
5113
5114 2005-10-12  Richard Guenther  <rguenther@suse.de>
5115
5116         PR c++/23799
5117         * varasm.c (output_constant): Correct typo from previous
5118         patch by DJ.
5119
5120 2005-10-11  Ian Lance Taylor  <ian@airs.com>
5121
5122         PR rtl-optimization/13931
5123         * combine.c: Revert patch of 2003-05-14, and:
5124         (try_combine): Only set elim_i1 and elim_i2 if the destination is
5125         completely killed in the appropriate insn.
5126         (distribute_notes): Don't skip multiple hard register test for
5127         elim_i1 and elim_i2.
5128
5129 2005-10-11  Richard Henderson  <rth@redhat.com>
5130
5131         PR c/24255
5132         * c-typeck.c (convert_for_assignment): Use build_constructor_single
5133         to initialize a transparent union instead of a nop_expr.
5134
5135 2005-10-11  Richard Henderson  <rth@redhat.com>
5136
5137         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5138         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5139         (tree_ssa_dce_loop): Call scev_reset.
5140
5141         PR tree-opt/24300
5142         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5143         * tree-ssa-dce.c: Include cfgloop.h.
5144         (tree_ssa_dce_loop, pass_dce_loop): New.
5145         * tree-pass.h (pass_dce_loop): Declare it.
5146         * passes.c (init_optimization_passes): Use it.
5147
5148 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5149
5150         PR middle-end/24263
5151         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5152         Only apply the optimization for rounding builtins if the inner
5153         cast is also an extension.
5154
5155 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5156
5157         PR tree-opt/23946
5158         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5159         mark_new_vars_to_rename instead of update_stmt.
5160
5161 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5162
5163         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5164
5165 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5166
5167         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5168         for setting MMX register to 0 rather than mmx.
5169
5170 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5171
5172         PR target/12098
5173         * configure.ac: Move gas check from mips specific case to common case.
5174         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5175         * configure: Regenerate
5176         * doc/install.texi: Update.
5177
5178 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5179
5180         PR target/24284
5181         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5182
5183 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5184
5185         * gcc.c (do_spec_1): Accept numeric characters in file name
5186         suffixes.
5187
5188 2005-10-10  Nick Clifton  <nickc@redhat.com>
5189
5190         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5191         describing the deleted arm_gen_rotated_half_load function.
5192
5193 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5194
5195         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5196         __fpscr_values.
5197
5198 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5199
5200         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5201         gnu_ld assignments.
5202         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5203         (EXTRA_MULTILIB_PARTS): Define.
5204         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5205         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5206         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5207         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5208         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5209         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5210
5211 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5212
5213         PR tree-optimization/24226
5214         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5215         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5216         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5217         Export.
5218
5219 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5220
5221         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5222
5223 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5224
5225         PR target/24136
5226         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5227         Rewrite for no need for the early clobber.
5228
5229 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5230
5231         Merge from csl-arm-branch:
5232         2005-09-07  Paul Brook  <paul@codesourcery.com>
5233         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5234         space to string.
5235
5236         2005-04-30  Paul Brook  <paul@codesourcery.com>
5237         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5238         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5239
5240         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5241         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5242         (arm_override_options): Use TARGET_AAPCS_BASED.
5243         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5244         (PTRDIFF_TYPE): Use int for AAPCS.
5245         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5246         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5247         (DEFAULT_SHORT_ENUMS): Delete.
5248         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5249
5250         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5251         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5252         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5253         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5254
5255         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5256         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5257
5258         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5259         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5260
5261         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5262         * config.gcc (arm*-*-linux-gnueabi): Add it.
5263         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5264         redefining it.
5265         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5266         * config/arm/linux-eabi.h: New file.
5267         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5268         (LINUX_TARET_LINK_SPEC): Likewise.
5269         (LINK_SPEC): Use it.
5270         * config/arm/t-linux-eabi: New file.
5271
5272 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5273
5274         PR other/22202
5275         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5276         spaces.
5277         (PARAM_SMS_DFA_HISTORY): Likewise.
5278
5279 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5280
5281         PR middle-end/23150
5282         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5283         (load_register_parameters): Call it.
5284         (check_sibcall_argument_overlap_1): Likewise.
5285         (store_one_arg): Likewise.
5286
5287 2005-10-07  James E. Wilson  <wilson@specifix.com>
5288
5289         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5290         DImode not VECINT24 for operand 2.
5291
5292         PR target/23644
5293         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5294         -mtune-arch.
5295
5296         PR target/24193
5297         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5298         fr_spill): Use destination_operand for operand 0.
5299
5300 2005-10-07  DJ Delorie  <dj@redhat.com>
5301
5302         * varasm.c (output_constant): Limit error to expanding
5303         conversions.
5304
5305 2005-10-07  Richard Guenther  <rguenther@suse.de>
5306
5307         PR middle-end/24227
5308         * fold-const.c (fold_binary): Fix operand types during folding
5309         of X op (A, Y).  Evaluation order of the side-effects of
5310         X and A are frontend-defined, so ensure we honour that even for
5311         tcc_comparison class operands; eased by removing duplicate code.
5312
5313 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5314
5315         * stor-layout.c (layout_type): Do not allow alignment of array
5316         elements to be greater than their size.
5317
5318 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5319
5320         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5321         host_xmake_file.
5322         (hppa*-*-linux*): Ditto.
5323         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5324         * config/host-hpux.c: New.
5325         * config/x-hpux: New.
5326         * config/pa/x-hpux: Remove.
5327         * config/pa/x-linux: Remove.
5328         * config/pa/pa-host.c: Remove.
5329
5330 2005-10-07  Jeff Law  <law@redhat.com>
5331
5332         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5333         determine whether or not to try and thread outgoing edges.
5334
5335 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5336
5337         * config/rs6000/rs6000.md (eqsi_power): New.
5338         (neg_eq0si): Add TARGET_POWER to final condition.
5339         (neg_eqsi): Same.
5340
5341 2005-10-06  Richard Henderson  <rth@redhat.com>
5342
5343         * config/rs6000/rs6000.c: Revert last change.
5344
5345 2005-10-06  Richard Henderson  <rth@redhat.com>
5346
5347         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5348         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5349
5350 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5351
5352         PR middle-end/22216
5353         PR middle-end/23651
5354         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5355         out return_label and naked_return_label.
5356
5357 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5358
5359         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5360         change.
5361
5362 2005-10-06  Richard Henderson  <rth@redhat.com>
5363
5364         PR tree-opt/22237
5365         * tree-inline.c (declare_return_variable): Handle modify_dest not
5366         being a DECL.
5367
5368 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5369
5370         Fix PR tree-optimization/22488
5371         * tree-ssa-structalias.c (check_for_overlaps): New function.
5372         (create_variable_info_for): Use it.
5373
5374 2005-10-06  Richard Henderson  <rth@redhat.com>
5375
5376         PR debug/24070
5377         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5378         (dwarf2out_start_source_file): Print it.
5379
5380 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5381
5382         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5383
5384 2005-10-06  Richard Henderson  <rth@redhat.com>
5385
5386         PR 23706
5387         * mode-switching.c (optimize_mode_switching): Clear transp bit
5388         for block with incomming abnormal edges.
5389
5390         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5391         (fpscr_set_from_mem): Use them.
5392         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5393         (fpscr postinc splitters): Rewrite as peephole2+split.
5394
5395 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5396
5397         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5398         (eq<mode>_compare): Same.
5399
5400 2005-10-06  Richard Guenther  <rguenther@suse.de>
5401
5402         PR tree-optimization/24238
5403         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5404
5405 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5406
5407         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5408         here.  Use AC_PATH_PROG for environment variables instead of
5409         test -x.
5410         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5411         objdump also.
5412         * configure: Regenerated.
5413
5414 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5415
5416         PR target/23783
5417         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5418         then force it into a register.
5419         (call_value): Likewise.
5420
5421 2005-10-06  Richard Henderson  <rth@redhat.com>
5422
5423         PR 24049
5424         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5425         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5426         under pass_vectorize.
5427
5428 2005-10-05  Devang Patel  <dpatel@apple.com>
5429
5430         PR Debug/23205
5431         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5432         handling constants. Check NAMESPACE_DECL context for constants.
5433
5434 2005-10-05  Eric Christopher  <echristo@apple.com>
5435
5436         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5437
5438 2005-10-05  Richard Henderson  <rth@redhat.com>
5439
5440         PR 23714
5441         * tree-cfg.c (mark_array_ref_addressable_1): New.
5442         (mark_array_ref_addressable): New.
5443         * tree-flow.h (mark_array_ref_addressable): Declare.
5444         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5445
5446 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5447
5448         PR middle-end/20606
5449         PR middle-end/24069
5450         * reload.c (subst_reloads): When adding a REG_LABEL to a
5451         jump instruction, also update JUMP_LABEL.
5452
5453 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5454
5455         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5456         * bb-reorder.c (copy_bb_p): Use it.
5457         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5458
5459 2005-10-05  Richard Henderson  <rth@redhat.com>
5460
5461         PR target/23602
5462         * toplev.c (process_options): Warn about unsupported combinations
5463         of unwind tables and omit-frame-pointer.
5464         * config/i386/i386.c (override_options): Similarly.  Enable
5465         accumulate-outgoing-args if not explicitly disabled.
5466
5467 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5468
5469         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5470         Handle big endian vs. small endian.
5471         (vec_initv2sf): Handle big endian vs. small endian.
5472         (*vec_extractv2sf_1): Ditto.
5473
5474 2005-10-05  Dale Johannesen  <dalej@apple.com>
5475
5476         * convert.c (convert_to_real):  Don't convert
5477         (float)floor(double d) to floorf((float)d).
5478
5479 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5480
5481         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5482
5483 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5484
5485         PR tree-optimization/18587
5486         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5487         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5488         build_vuses): Change to VEC type.
5489         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5490         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5491         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5492         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5493         (get_name_decl): New.  Return DECL_UID of base variable.
5494         (operand_build_cmp): New.  qsort comparison routine.
5495         (operand_build_sort_virtual): New.  Sort virtual build vector.
5496         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5497         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5498         (FINALIZE_BASE): Use get_name_decl.
5499         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5500         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5501         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5502         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5503         direct VEC_* manipulations.
5504         (build_ssa_operands): Call operand_build_sort_virtual.
5505         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5506         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5507         with direct VEC_* manipulations.
5508         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5509         with direct VEC manipulations.
5510
5511 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5512
5513         PR tree-optimization/21419
5514         PR tree-optimization/24146
5515         PR tree-optimization/24151
5516
5517         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5518         (build_asm_expr): Call it if outputs are read-only.
5519         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5520
5521 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5522             Paolo Bonzini  <bonzini@gnu.org>
5523
5524         PR target/23809
5525
5526         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5527         enable the instructions and not just the built-ins.
5528         * doc/invoke.texi (x86 Options): Likewise.
5529
5530 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5531
5532         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5533
5534         * doc/invoke.texi (Option Summary): Correct spelling
5535         of -mmacosx-version-min.
5536
5537 2005-10-04  Devang Patel  <dpatel@apple.com>
5538
5539         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5540         real types.
5541
5542 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5543
5544         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5545         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5546
5547 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5548
5549         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5550         ("TE","tg"): New mode attributes.
5551         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5552         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5553         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5554         dword_mode and one for GPRmode.
5555
5556 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5557
5558         PR preprocessor/13726
5559         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5560         any comments passed in.
5561
5562 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5563
5564         * tree.c (annotate_with_file_line): Fix typo.
5565
5566 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5567
5568         PR ada/19382
5569         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5570         type used to access data in the inlined length == 1 case, use
5571         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5572         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5573
5574 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5575
5576         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5577         TARGET_SSE3 and only for TARGET_80387.
5578         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5579         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5580         Do not depend on TARGET_80387.
5581
5582 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5583
5584         * tree.c (last_annotated_node): Change type to location_t*.
5585         (annotate_with_file_line): Reflect the change of
5586         last_annotated_node type.
5587
5588 2005-10-04  Richard Guenther  <rguenther@suse.de>
5589
5590         PR c/23576
5591         * c-decl.c (grokdeclarator): Don't write to fields
5592         of error_mark_node.
5593
5594 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5595
5596         PR middle-end/23125
5597         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5598         register variables.
5599         * varasm.c (make_decl_rtl): If a register variable does not
5600         have a set user assmbler name, error out.
5601         Decode the asmspec is now name+1 bypassing '*'.
5602
5603 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5604
5605         PR tree-optimization/23049
5606         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5607         of a COND_EXPR is folded before calling fold on the whole rhs of a
5608         conditional assignment.
5609         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5610         document that a COND_EXPR may appear there.
5611
5612 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5613
5614         PR 23445
5615         * tree-vrp.c (extract_range_from_assert): If the new numeric
5616         range created out of the assertion contradicts the existing
5617         numeric range of the ASSERT_EXPR variable, make the new range
5618         varying.
5619
5620 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5621
5622         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5623         from T_REGS to FP register class.
5624
5625 2005-10-03  Richard Henderson  <rth@redhat.com>
5626
5627         PR 24135
5628         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5629         before creating a new one.
5630
5631 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5632
5633         * config/rs6000/t-aix43 (LDFLAGS): New.
5634         * config/rs6000/t-aix52 (LDFLAGS): New.
5635
5636 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5637
5638         * gimplify.c (find_single_pointer_decl_1): New static function.
5639         (find_single_pointer_decl): New static function.
5640         (internal_get_tmp_var): For a formal variable, set restrict base
5641         information if appropriate.
5642         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5643         return it.
5644         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5645         (DECL_GET_RESTRICT_BASE): Define.
5646         (SET_DECL_RESTRICT_BASE): Define.
5647         (decl_restrict_base_lookup): Declare.
5648         (decl_restrict_base_insert): Declare.
5649         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5650         * tree.c (restrict_base_for_decl): New static variable.
5651         (init_ttree): Initialize restrict_base_for_decl.
5652         (copy_node_stat): Copy restrict base information.
5653         (decl_restrict_base_lookup): New function.
5654         (decl_restrict_base_insert): New function.
5655         (print_restrict_base_statistics): New static function.
5656         (dump_tree_statistics): Call print_restrict_base_statistics.
5657
5658 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5659
5660         PR 24142
5661         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5662         case of anti-ranges.
5663
5664 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5665
5666         PR c/18851
5667         * c-typeck.c (tagged_tu_seen): Rename to ...
5668         (tagged_tu_seen_cache): this and add val field.
5669         (comptypes): Move functional to comptypes_internal
5670         and free tagged_tu_seen.
5671         (comptypes_internal): New function and call comptypes_internal
5672         instead of comptypes. Speed up by sibcalling
5673         tagged_types_tu_compatible_p.
5674         (alloc_tagged_tu_seen): New function
5675         (free_all_tagged_tu_seen_up_to): New function.
5676         (tagged_types_tu_compatible_p): Return the val of the seen two
5677         types.
5678         Add that the two types are the same to tagged_tu_seen_base
5679         if they are and call comptypes_internal instead of comptypes.
5680         <case UNION_TYPE>: Speed up common type where the fields are
5681         in the same order.
5682         (function_types_compatible_p): Call comptypes_internal instead of
5683         comptypes.
5684         (type_lists_compatible_p): Likewise.
5685         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5686
5687 2005-10-02  Matthias Klose  <doko@debian.org>
5688
5689         * doc/invoke.texi: Fix typo and speling error.
5690
5691 2005-10-01  Richard Henderson  <rth@redhat.com>
5692
5693         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5694
5695 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5696
5697         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5698         using --start-group and --end-group.
5699
5700 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5701
5702         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5703         FIXME note regarding quirky semantics.
5704
5705 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5706
5707         PR 24141
5708         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5709         non-null range as a last resort.
5710
5711 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5712             Diego Novillo  <dnovillo@redhat.com>
5713
5714         PR 23604
5715         * tree-vrp.c (extract_range_from_assert): For !=
5716         assertions, only build an anti-range if LIMIT is a
5717         single-valued range.
5718
5719 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5720
5721         * arm.md (movqi): On thumb when optimizing, handle loading from
5722         memory by describing this as taking a subreg of a zero-extended load
5723         into an SImode register.
5724         (movhi): Likewise.
5725
5726 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5727
5728         * reload1.c (merge_assigned_reloads): Do not change any
5729         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5730
5731 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5732
5733         * Makefile.in (LIPO_FOR_TARGET): Define.
5734         (STRIP_FOR_TARGET): Define.
5735
5736         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5737         before creating new ones.  Do symlinks before creating the actual
5738         targets.
5739
5740         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5741         to work out which multilibs are actually being built.
5742
5743 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5744
5745         * tree-vect-transform.c, config/ms1/ms1.md,
5746         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5747         Follow spelling conventions.
5748         * doc/invoke.texi, doc/md.texi: Fix typos.
5749
5750 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5751
5752         PR tree-optimization/21430
5753         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5754         use operands, and set stmt pointer if need be.
5755         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5756         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5757         present.
5758
5759 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5760
5761         PR middle-end/24053
5762         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5763
5764 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5765
5766         * optabs.c (expand_binop): Initialize first_pass_p.
5767
5768 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5769
5770         PR middle-end/24109
5771         * c-decl.c (c_write_global_declarations_1): If any
5772         wrapup_global_declaration_2 call returned true, restart the loop.
5773
5774 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5775
5776         Fix PR tree-optimization/24117
5777         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5778         before considering whether to use anyoffset.
5779
5780 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5781
5782         Revert this patch:
5783
5784         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5785
5786         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5787         to order operands.
5788         (swap_commutative_operands_with_target): New.
5789
5790 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5791
5792         PR c/21419
5793         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5794         read-only.
5795
5796 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5797
5798         PR tree-optimization/23911
5799         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5800         and IMAGPART_EXPR too.
5801
5802 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5803
5804         PR 17886
5805         * expmed.c (expand_shift): Move logic to reverse rotation
5806         direction when  rotating by constants ...
5807         * optabs.c (expand_binop): ... here.
5808         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5809         (ix86_rotrdi3): New pattern.
5810         (rotldi3): Handle 32-bit mode.
5811         (ix86_rotldi3): New pattern.
5812
5813 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5814
5815         PR target/24102
5816         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5817         check for numbers that need no bit twiddle.
5818
5819 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5820
5821         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5822         multilib to be built.
5823
5824         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5825         (stage1-start): Delete old libgcc and libunwind before moving
5826         anything into the stage directory.
5827         (stage2-start): Likewise.
5828         (stage3-start): Likewise.
5829         (stage4-start): Likewise.
5830         (stageprofile-start): Likewise.
5831         (stagefeedback-start): Likewise.
5832         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5833         header in tm_file and CPU-specific t-darwin in tmake_file.
5834         (i[34567]86-*-darwin*): Don't change tm_file.
5835         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5836         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5837         shared library stub for target OS version.
5838         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5839         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5840         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5841         (libgcc_s.%.dylib): New.
5842         (LIBGCC): Define.
5843         (install-darwin-libgcc-stubs): New.
5844         (INSTALL_LIBGCC): New append.
5845         * config/i386/darwin-libgcc.10.4.ver: New.
5846         * config/i386/darwin-libgcc.10.5.ver: New.
5847         * config/i386/t-darwin: New.
5848         * config/rs6000/darwin-libgcc.10.4.ver: New.
5849         * config/rs6000/darwin-libgcc.10.5.ver: New.
5850         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5851         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5852
5853 2005-09-28  Paul Brook  <paul@codesourcery.com>
5854
5855         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5856         denormals.
5857
5858 2005-09-28  Richard Guenther  <rguenther@suse.de>
5859
5860         PR tree-optimization/23853
5861         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5862         host_integerp to verify misalignment value.
5863
5864 2005-09-28  Richard Henderson  <rth@redhat.com>
5865
5866         * builtins.c (get_builtin_sync_mode): New.
5867         (expand_builtin_sync_operation): Pass in mode argument.
5868         (expand_builtin_compare_and_swap): Likewise.
5869         (expand_builtin_lock_test_and_set): Likewise.
5870         (expand_builtin_lock_release): Likewise.
5871         (expand_builtin): Update to match.
5872
5873 2005-09-28  Nick Clifton  <nickc@redhat.com>
5874
5875         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5876         formatting.  Add check to PLUS case to ensure that the offset is
5877         within an acceptable range.
5878
5879         * config/v850/v850.md (casesi): Disable the generation of the
5880         switch pattern as it is not being handled properly at the moment.
5881
5882         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5883         for when the high words are identical.
5884
5885 2005-09-27  Richard Henderson  <rth@redhat.com>
5886
5887         * pretty-print.c (pp_base_format): Fix typo for %>.
5888
5889 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5890             Devang Patel  <dpatel@apple.com>
5891
5892         PR tree-optimization/23625
5893         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5894         LABEL_EXPR, assertion check.
5895
5896 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5897
5898         * optabs.c (no_conflict_move_test): Check if a result of a
5899         to-be-moved insn would be clobbered by an originally
5900         preceding insn.
5901
5902 2005-09-27  Jeff Law  <law@redhat.com>
5903
5904         * passes.c (init_optimization_passes): Replace copy propagation
5905         passes immediately after DOM with phi-only copy propagation
5906         pases.  Add phi-only copy propagation pass after first DOM pass.
5907         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5908         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5909         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5910         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5911         to init_copy_prop.  Callers updated.
5912         (do_phi_only_copy_prop): New function.
5913         (pass_phi_only_copy_prop): New pass descriptor.
5914
5915 2005-09-27  Nick Clifton  <nickc@redhat.com>
5916
5917         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5918
5919 2005-09-26  Jason Merrill  <jason@redhat.com>
5920
5921         PR c++/13764
5922         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5923
5924         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5925
5926 2005-09-26  James E Wilson  <wilson@specifix.com>
5927
5928         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5929         copyright.  Add gcc copyright plus libgcc exception.
5930         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5931         copyright.
5932         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5933
5934 2005-09-26  Jeff Law  <law@redhat.com>
5935
5936         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5937         about when to iterate.
5938
5939 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5940
5941         PR target/23847
5942         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5943         for __complex__ double in -mcpu=G5 mode.
5944
5945 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5946
5947         PR tree-optimization/23942
5948         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5949         * tree-scalar-evolution.c: Include params.h.
5950         (t_bool): New enum.
5951         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5952         follow_ssa_edge_in_condition_phi_branch,
5953         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5954         Change return type to t_bool.  Use a parameter to limit the size of
5955         trees that are walked before stopping
5956         (analyze_evolution_in_loop): Initialize the limit to 0.
5957         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5958         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5959
5960 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5961
5962         PR middle-end/23831
5963         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5964         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5965
5966 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5967
5968         * combine.c (make_extraction): Check for valid use of subreg.
5969
5970 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5971
5972         PR target/24055
5973         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5974         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5975         ("fist<mode>2_with_temp"): Use only register operands.
5976
5977 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5978
5979         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5980         CALL_INSN_FUNCTION_USAGE.
5981
5982 2005-09-26  Richard Guenther  <rguenther@suse.de>
5983
5984         PR middle-end/15855
5985         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5986         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5987         (ldst_entry): Use the hashtable instead of list-walking.
5988         (find_rtx_in_ldst): Likewise.
5989         (free_ldst_entry): Free the hashtable.
5990         (compute_ld_motion_mems): Create the hashtable.
5991         (trim_ld_motion_mems): Remove entry from hashtable if
5992         removing it from list.
5993         (compute_store_table): Likewise^2.
5994         (store_motion): Free hashtable in case we did not see
5995         any stores.
5996
5997 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5998
5999         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6000         and arg1 if we are passing them to fold_build2.
6001
6002 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
6003
6004         PR 23828
6005         * config/i386/i386.c (ix86_function_regparm): Fix the test for
6006         a nested function.
6007
6008 2005-09-25  Richard Henderson  <rth@redhat.com>
6009
6010         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6011         SYMBOL_REF_TLS_MODEL to be correct.
6012
6013 2005-09-24  Richard Henderson  <rth@redhat.com>
6014
6015         * ipa-type-escape.c (discover_unique_type): Remove dead code at
6016         end of function.  Reindent.
6017
6018 2005-09-24  Ian Lance Taylor  <ian@airs.com>
6019
6020         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6021         NEGATE_EXPR/BIT_NOT_EXPR case.
6022
6023 2005-09-24  Richard Henderson  <rth@redhat.com>
6024
6025         * c-common.c (handle_mode_attribute): When not modifying in place,
6026         create subtypes for enumerations.
6027         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6028         * gimplify.c (create_tmp_from_val): Likewise.
6029
6030 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
6031
6032         * config/i386/i386.md (*tls_global_dynamic_64,
6033         *tls_local_dynamic_base_64): Add missing mode to call.
6034         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6035
6036 2005-09-24  Jan Hubicka  <jh@suse.cz>
6037
6038         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6039         (cgraph_clone_node): Likewise.
6040         * cgraph.h (cgraph_clone_edge): Update prototype.
6041         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6042         duplicated prototypes; add updating argument.
6043         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6044         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6045         updating profile.
6046         (cgraph_mark_inline_edge): Likewise.
6047         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6048         (cgraph_flatten_node): Likewise.
6049         (cgraph_decide_recursive_inlining): Likewise.
6050         (cgraph_decide_inlining_of_small_function): Likewise.
6051         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6052
6053 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6054             Pete Steinmetz <steinmtz@us.ibm.com>
6055
6056         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6057         (rldic.): Set type to "compare".
6058         (rldicr.): Same.
6059         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
6060         mfjmpr for MFCTR/MFLR.
6061         (movdf_hardfloat64): Same.
6062         (movdf_softfloat64): Same.  Correct order of store and move types.
6063         (movti_string): Set type to store_ux/load_ux.
6064         (load_multiple): Set type to load_ux.
6065         (store_multiple): Set type to store_ux.
6066         (movmemsi): Set type to store_ux.
6067         (output_cbranch direct_return): Set type to jmpreg.
6068         (stmw): Set type to store_ux.
6069         (lmw): Set type to load_ux.
6070         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6071         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6072         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6073         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6074         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6075         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6076         (rios1-fpstore): Increase latency to 3.
6077         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6078         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6079
6080 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6081             Andrew Pinski  <pinskia@physics.uc.edu>
6082
6083         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6084         operand2 constraint to "b".
6085         (sync_<fetchop_name>di_internal): Same.
6086         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6087         to "b".
6088         (sync_old_<fetchop_name>di_internal): Same.
6089         (sync_new_<fetchop_name>si_internal): Same.
6090         (sync_new_<fetchop_name>di_internal): Same.
6091
6092 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6093
6094         PR middle-end/23991
6095         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6096         case, define as macros.
6097
6098         PR rtl-optimization/23837
6099         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
6100         clobber / clobber match between dest and p->first.
6101
6102         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6103         (no_conflict_move_test): Update comments.
6104
6105 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6106
6107         * doc/install.texi: Update URL for Jacks.
6108         * doc/sourcebuild.texi: Likewise.
6109
6110 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
6111
6112         PR target/24007
6113         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6114         registers when choosing register preferences.
6115         (movdf_hardfloat64): Same.
6116
6117 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6118
6119         * expmed.c (expand_shift): Don't use the target of the rotate as
6120         target for the first expanded shift insn.
6121         * testsuite/gcc.dg/20050922-1.c: Testcase added.
6122
6123 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6124
6125         PR tree-optimization/22438
6126         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6127         preserved iv rhs rewriting specially.
6128
6129 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6130
6131         * tree-data-ref.c (analyze_array_indexes): Only estimate when
6132         estimate_only  is true.
6133         * tree-flow.h (ref_contains_indirect_ref): New prototype.
6134         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6135         tree-ssa-structalias.c
6136         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6137         ref_contains_indirect_ref.
6138         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6139
6140 2005-09-21  DJ Delorie  <dj@redhat.com>
6141
6142         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6143         MASK_PTR_A0D0.
6144         (mn10300_return_in_memory): Support variable size types also.
6145         (mn10300_pass_by_reference): Likewise.
6146         (mn10300_function_value): New.
6147         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6148         (FUNCTION_OUTGOING_VALUE): Likewise.
6149         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6150         * doc/invoke.texi: Document it.
6151
6152 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6153
6154         PR target/22585
6155         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6156         force integer op1 into register for XFmode compares.
6157
6158 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6159
6160         PR middle-end/23971
6161         * expmed.c (alg_code): Add alg_impossible.
6162         (alg_hash_entry): Add cost.
6163         (synth_mult): Record alg_impossible in the hash table if
6164         multiplication by a given integer is impossble within the
6165         limit.  Speed up using alg_impossible.
6166
6167 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6168
6169         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6170         argument.  Allow and set any offset if needs_anyoffset is passed
6171         in.
6172         (get_constraint_for): Add argument here too.
6173         Pass it down.
6174         (do_structure_copy): Pass NULL to get_constraint_for.
6175         (handle_ptr_arith): Ditto.
6176         (find_func_aliases): Ditto.
6177
6178 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6179
6180         PR rtl-optimization/23898
6181         * output.h (get_attr_min_length): Declare.
6182         * final.c (get_attr_length_1): New function, broken out of:
6183         (get_attr_length).
6184         (get_attr_min_length): New function.
6185         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6186         (duplicate_computed_gotos): Likewise.
6187         * genattr.c (insn_min_length): Generate declaration.
6188         * genattrtab.c (min_fn, min_attr_value): New functions.
6189         (make_length_attrs): Generate insn_min_length.
6190
6191 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6192
6193         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6194
6195 2005-09-20  Richard Henderson  <rth@redhat.com>
6196
6197         PR tree-optimization/24059
6198         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6199         EXPAND_STACK_PARM.
6200
6201 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6202
6203         * c.opt (fextended-identifiers): New.
6204         * c-opts.c (c_common_handle_option): Handle
6205         -fextended-identifiers.
6206         * doc/cpp.texi: Update documentation of extended identifiers.
6207         * doc/cppopts.texi (-fextended-identifiers): Document.
6208
6209 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6210
6211         PR tree-optimization/23929
6212         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6213         if expr is NULL.
6214
6215         PR tree-optimization/23818
6216         * tree-stdarg.c (execute_optimize_stdarg): Call
6217         calculate_dominance_info.
6218
6219 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6220
6221         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6222         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6223         (compute_overlap_steps_for_affine_1_2): Use
6224         get_number_of_iters_for_loop.
6225         (analyze_subscript_affine_affine): Check whether difference is
6226         zero first.
6227         Use get_number_of_iters_for_loop.
6228         Check whether overlap occurs outside of bounds.
6229         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6230
6231 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6232
6233         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6234         base register if possible.
6235
6236 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6237
6238         PR tree-optimization/18463
6239         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6240         converting it directly is not possible.
6241         (chrec_convert_aggressive): New function.
6242         * tree-chrec.h (chrec_convert_aggressive): Declare.
6243         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6244         Fold chrec conversions aggressively if asked to.
6245         (instantiate_parameters): Modified because of changes in
6246         instantiate_parameters_1.
6247
6248 2005-09-19  Richard Henderson  <rth@redhat.com>
6249
6250         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6251         (reduc_splus_v2df): New.
6252
6253 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6254
6255         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6256         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6257
6258 2005-09-19  Richard Henderson  <rth@redhat.com>
6259
6260         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6261         vcondu<SSEMODE12>.
6262
6263 2005-09-19  Richard Henderson  <rth@redhat.com>
6264
6265         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6266         (ia64_expand_dot_prod_v8qi): New.
6267         * config/ia64/ia64-protos.h: Update.
6268         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6269         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6270         sdot_prodv8qi, sdot_prodv4hi): New.
6271         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6272
6273 2005-09-19  Richard Henderson  <rth@redhat.com>
6274
6275         PR 23941
6276         * real.c (exact_real_truncate): Return false if the format cannot
6277         represent the number as a normal.
6278
6279         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6280         for a memory source.
6281
6282 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6283
6284         * tree-ssa-operands.c (swap_tree_operands): Export.
6285         * tree.h (swap_tree_operands): Declare.
6286         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6287         Call swap_tree_operands.
6288
6289 2005-09-19  Richard Henderson  <rth@redhat.com>
6290
6291         * tree-flow.h (merge_alias_info): Declare.
6292         * tree-ssa-copy.c (merge_alias_info): Export.
6293         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6294         (vect_create_data_ref_ptr): Use create_iv directly.
6295         (vectorizable_load): Use correct types for integer constants.
6296         (vect_generate_tmps_on_preheader): Likewise.
6297         (vect_gen_niters_for_prolog_loop): Likewise.
6298
6299 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6300
6301         PR rtl-optimization/23943
6302         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6303
6304 2005-09-18  Jan Hubicka  <jh@suse.cz>
6305
6306         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6307
6308 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6309
6310         * varasm.c (output_constant): Do not abort on conversions to union
6311         types between different sizes.
6312
6313 2005-09-18  Richard Guenther  <rguenther@suse.de>
6314
6315         PR middle-end/23944
6316         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6317         fallback.
6318
6319 2005-09-18  Paul Brook  <paul@codesourcery.com>
6320
6321         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6322
6323 2005-09-17  Richard Henderson  <rth@redhat.com>
6324
6325         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6326         * tree-ssa-loop.c (pass_vect_dce): Remove.
6327         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6328         of pass_vectorize.
6329
6330 2005-09-17  Richard Henderson  <rth@redhat.com>
6331
6332         * tree-pass.h (pass_vect_dce): Declare.
6333         * passes.c (init_optimization_passes): Add it.
6334         * tree-flow.h (tree_ssa_dce): Declare.
6335         * tree-ssa-dce.c (tree_ssa_dce): Export.
6336         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6337         (gate_tree_vectorize): ... here.
6338         (pass_vect_dce): New.
6339
6340 2005-09-17  Jan Hubicka  <jh@suse.cz>
6341
6342         * except.c (struct eh_status): Turn region_array into vec.
6343         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6344         convert_from_eh_region_ranges, find_exception_handler_labels,
6345         current_function_has_exception_handlers, assign_filter_values,
6346         build_post_landing_pads, dw2_build_landing_pads,
6347         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6348         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6349         foreach_reachable_handler, can_throw_internal_1,
6350         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6351         region_array.
6352         (duplicate_eh_region_1): Update region_array.
6353         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6354
6355 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6356
6357         PR middle-end/22067
6358         * expmed.c (expand_mult): Substitute simple register for op0 when
6359         computing max_cost.
6360
6361 2005-09-17  Richard Henderson  <rth@redhat.com>
6362
6363         * expr.c (emit_move_via_integer): Add force argument, pass it on
6364         to emit_move_change_mode.  Update callers.
6365         (emit_move_complex): Pass true to new force argument.
6366         * function.c (expand_function_end): Move expand_eh_return call
6367         earlier.  Merge sub-word complex values into a pseudo before
6368         copying to the return hard register.
6369
6370 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6371
6372         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6373         between different sizes.
6374
6375 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6376
6377         PR 23903
6378
6379         * passes.c (init_optimization_passes): Register dump files for
6380         IPA passes first.
6381
6382 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6383
6384         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6385         * config/s390/s390.c (s390_overlap_p): New function.
6386         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6387         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6388         condition.
6389
6390 2005-09-16  Richard Guenther  <rguenther@suse.de>
6391
6392         * ipa-pure-const.c (static_execute): Free auxiliar information.
6393         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6394         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6395
6396 2005-09-15  DJ Delorie  <dj@redhat.com>
6397
6398         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6399
6400 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6401
6402         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6403         to order operands.
6404         (swap_commutative_operands_with_target): New.
6405
6406 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6407
6408         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6409         parameter.
6410         Update callers.
6411         (estimate_iters_using_array): New function.
6412         * tree-data-ref.h (estimate_iters_using_array): Prototype
6413         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6414         Use estimate_iters_using_array instead of analyze_array.
6415
6416 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6417
6418         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6419         as addressable.
6420
6421 2005-09-15  Michael Matz  <matz@suse.de>
6422
6423         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6424
6425 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6426
6427         PR tree-optimization/23835
6428         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6429         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6430
6431 2005-09-14  Richard Henderson  <rth@redhat.com>
6432
6433         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6434         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6435
6436 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6437
6438         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6439         in the ARRAY_TYPE case.
6440
6441 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6442
6443         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6444
6445 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6446
6447         PR middle-end/22480
6448         * tree-vect-transform.c (vectorizable_operation): Return false for
6449         scalar shift operations and for vector shift operations with
6450         non-invariant shift arguments.  Use scalar tree operand op1 as
6451         a shift operand when vector shift insn pattern uses scalar shift
6452         operand.
6453         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6454
6455 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6456
6457         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6458         value if it has side-effects.
6459
6460 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6461
6462         PR target/22068
6463         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6464
6465 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6466
6467         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6468         passed as NAME as if it were label at start of function code.
6469
6470 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6471
6472         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6473         the constraints.
6474
6475 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6476
6477         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6478         as early clobber.  Rewrite so the PIC register is not implicitly used.
6479
6480 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6481
6482         * tree.c (annotate_with_file_line): Compare line numbers before
6483         file names.
6484
6485 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6486
6487         PR target/23816
6488         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6489         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6490
6491 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6492
6493         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6494         than a HOST_WIDEST_INT to gen_doloop_begin.
6495
6496 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6497
6498         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6499
6500 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6501
6502         PR tree-optimize/23817
6503         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6504
6505 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6506
6507         PR target/23774
6508         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6509         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6510         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6511         (restore_stack_nonlocal): Likewise.
6512         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6513
6514 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6515
6516         PR g++/7874
6517         * c.opt (ffriend-injection): New C++ option.
6518         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6519         (C++ Dialect Options): Document -ffriend-injection.
6520
6521 2005-09-12  Josh Conner  <jconner@apple.com>
6522
6523         PR middle-end/23237
6524         * ipa-reference.c (static_execute): Don't mark variables in
6525         named sections TREE_READONLY.
6526
6527 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6528
6529         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6530         stack_tie.
6531
6532 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6533
6534         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6535         V_MUST_DEF instead of just the first_use_p.
6536         Don't mark the virtual variables for renaming on the statement which
6537         is being removed.
6538         (pass_dse): Remove TODO_update_ssa.
6539
6540 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6541
6542         PR middle-end/23290
6543         * stor-layout.c (compute_record_mode): For records with a single
6544         field, actually check the field's mode size against the type size.
6545
6546         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6547         registers for TARGET_SHMEDIA.
6548         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6549         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6550         of GENERAL_REGS and FP_REGS.
6551
6552 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6553
6554         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6555
6556 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6557
6558         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6559         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6560         are omitted.  Exclude stack_tie insn too.
6561
6562 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6563
6564         PR rtl-optimization/23098
6565         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6566         0.0f is easy.
6567         * config/rs6000/rs6000.md (movdf splitter): Use
6568         const_double_operand predicate for TARGET_POWERPC64.
6569         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6570         SYMBOL_REF method to ABI_V4.
6571
6572         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6573         replace_equiv_address.
6574         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6575         rs6000_sr_alias_set and MEM_NOTRAP.
6576         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6577
6578 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6579
6580         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6581         handle CALL_EXPR again.
6582
6583 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6584
6585         * arm/predicates.md (alignable_memory_operand): Delete.
6586
6587 2005-09-10  Richard Henderson  <rth@redhat.com>
6588
6589         PR debug/23806
6590         * dbxout.c (dbxout_expand_expr): New.
6591         (dbxout_symbol): Use it.
6592
6593 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6594
6595         * arm.c (arm_gen_rotated_half_load): Delete.
6596         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6597         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6598         (thumb_set_return_address): Likewise.
6599         (thumb_load_double_from_address): Use adjust_address.
6600         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6601         (extendhsisi2_mem, movhi_bytes): Use change_address.
6602         (movhi): Use widen_memory_access.
6603         (reload_out_df): Use replace_equiv_address.
6604         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6605
6606 2005-09-09  Richard Henderson  <rth@redhat.com>
6607
6608         PR debug/20998
6609         * dbxout.c: Include expr.h.
6610         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6611         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6612         * Makefile.in (dbxout.o): Add EXPR_H.
6613
6614 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6615
6616         PR tree-optimization/23509
6617         * tree-cfg.c (replace_uses_by): Use replace_exp.
6618         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6619         pointers have name_mem_tag or type_mem_tag set.
6620
6621 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6622
6623         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6624         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6625         of wrongly accessing operands.
6626
6627 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6628
6629         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6630         * tree-chrec.c: Include tree-scalar-evolution.h.
6631         (chrec_convert): Instantiate the base and step before calling
6632         scev_probably_wraps_p that would fail on parametric evolutions.
6633         Collect all the fails into a single section failed_to_convert,
6634         print a diagnostic, and return chrec_dont_know instead of calling
6635         fold_convert.
6636         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6637         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6638         phi nodes.
6639         (scev_const_prop): Don't replace the definition of a loop closed ssa
6640         phi node by itself, or by another loop closed ssa phi node.
6641         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6642         that base and step are defined.
6643
6644 2005-09-09  Richard Guenther  <rguenther@suse.de>
6645
6646         PR c++/23624
6647         * fold-const.c (fold_ternary): Check truth_value_p before
6648         calling invert_truthvalue.
6649
6650 2005-09-09  Nick Clifton  <nickc@redhat.com>
6651
6652         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6653         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6654         dimension of these arrays.
6655         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6656         these arrays.
6657         * longlong.h: Only provide a prototype for the __clz_tab[] array
6658         if this header has not been included from libgcc2.h.
6659         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6660         defining own types.
6661         Provide prototypes for exported functions.
6662         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6663         libgcc2.c.
6664
6665 2005-09-08  Josh Conner  <jconner@apple.com>
6666
6667         PR c++/21135
6668         PR c++/23180
6669         * expr.c (expand_expr_addr_expr_1): Don't invoke
6670         expand_simple_binop for EXPAND_INITIALIZER.
6671
6672 2005-09-08  Richard Henderson  <rth@redhat.com>
6673
6674         PR debug/23190
6675         * toplev.c (wrapup_global_declaration_1): Split out ...
6676         (wrapup_global_declaration_2): ... from ...
6677         (wrapup_global_declarations): ... here.  Return bool.
6678         (check_global_declaration_1): Split out ...
6679         (check_global_declarations): from here.
6680         (emit_debug_global_declarations): New.
6681         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6682         check_global_declaration_1, emit_debug_global_declarations): Declare.
6683         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6684         of decls.  Call wrapup_global_declaration_1,
6685         wrapup_global_declaration_2, check_global_declaration_1 directly.
6686         (c_write_global_declarations_2): New.
6687         (ext_block): New.
6688         (c_write_global_declarations): Call c_write_global_declarations_2.
6689         * langhooks.c (write_global_declarations): Call
6690         emit_debug_global_declarations.
6691
6692         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6693         remove decls that have DECL_RTL_SET_P.
6694         * passes.c (rest_of_decl_compilation): Invoke
6695         cgraph_varpool_finalize_decl for all but functions.
6696
6697 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6698
6699         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6700         the result of a conversion if the new min and max cannot be compared.
6701
6702 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6703
6704         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6705         (override_options): Setting s390_sr_alias_set removed.
6706         (save_fpr, save_gprs): Set alias set to vararg or frame.
6707         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6708         s390_sr_alias_set with get_frame_alias_set ().
6709         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6710         get_varargs_alias_set ().
6711
6712 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6713
6714         PR objc/20574
6715         PR objc/19324
6716         * c-parser.c (c_parser_objc_method_definition): If the next
6717         token is not "{", error out and don't start the function.
6718
6719 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6720
6721         * tree-vrp.c (extract_range_from_expr): Move the check for non
6722         nullness after the check for gimple invariant.
6723
6724 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6725
6726         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6727
6728 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6729
6730         PR target/23747
6731         * config/m32r.md (movmemsi_internal): Canonicalize order of
6732         operands in PLUS component of template.
6733
6734 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6735
6736         * reload1.c (fixup_eh_region_note): Remove assertion.
6737         (fixup_abnormal_edges): Reverted removal of call to
6738         find_many_sub_basic_blocks made on 2005-08-31.
6739
6740 2005-09-07  Richard Henderson  <rth@redhat.com>
6741
6742         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6743         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6744         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6745         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6746         rearrange for better packing.
6747         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6748         (lookup_cfa_1): Remove inline marker.
6749         (cfa_equal_p): Split out of ...
6750         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6751         (build_cfa_loc): Handle !cfa->indirect.
6752         (frame_pointer_cfa_offset): New.
6753         (dbx_reg_number): Assert register elimination performed; do
6754         leaf register remapping.
6755         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6756         (eliminate_reg_to_offset): New.
6757         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6758         for verifiably local stack frame addresses; re-base to CFA.
6759         (mem_loc_descriptor): Remove can_use_fbreg argument.
6760         (concat_loc_descriptor, loc_descriptor): Likewise.
6761         (containing_function_has_frame_base): Remove.
6762         (rtl_for_decl_location): Don't do register elimination or
6763         leaf register remapping here.
6764         (secname_for_decl): Split out from ..
6765         (add_location_or_const_value_attribute): ... here.
6766         (convert_cfa_to_loc_list): New.
6767         (compute_frame_pointer_to_cfa_displacement): New.
6768         (gen_subprogram_die): Use them.
6769         * tree.h (frame_base_decl): Remove.
6770         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6771         (prologue_stack_adjust): Remove.
6772         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6773         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6774         (set_frame_base_location): Remove.
6775         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6776         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6777         (vt_add_function_parameters): Don't eliminate_regs.
6778         (vt_initialize): Don't create frame_base_decl.
6779
6780 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6781
6782         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6783         version of GNU binutils for 4.x and later.
6784
6785 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6786
6787         * ggc-page.c (ggc_push_context): Remove.
6788         (ggc_pop_context): Likewise.
6789         * ggc.h (ggc_push_context): Remove.
6790         (ggc_pop_context): Likewise.
6791
6792 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6793
6794         PR target/8973
6795         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6796         returning from an interrupt handler.
6797
6798 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6799
6800         PR target/8972
6801         * config/arc/arc.c (output_shift): Add check for loop count when
6802         optimizing.
6803
6804 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6805
6806         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6807         form manually.
6808         (abs_replacement): Likewise.
6809         (pass_phiopt): Remove TODO_update_ssa.
6810
6811 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6812
6813         PR c/23075
6814         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6815         if "return with no value, in function returning non-void" warning
6816         has been issued.
6817         * tree-cfg.c (execute_warn_function_return): Don't look at
6818         RETURN_EXPRs with TREE_NO_WARNING set.
6819
6820         PR target/22362
6821         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6822         for internal functions doesn't use registers used by global registers
6823         variables.  Use fewer register parameters if there are global register
6824         variables.
6825
6826 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6827             Eric Botcazou  <ebotcazou@adacore.com>
6828
6829         PR middle-end/14997
6830         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6831         when we would be extracting outside its bit span (bitpos+bitsize
6832         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6833         Ada unchecked conversions.
6834
6835 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6836
6837         * tree-ssa-pre.c (try_look_through_load): New function.
6838         (compute_avail): Use it to try to look through loads for some
6839         more useful expressions.
6840
6841 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6842
6843         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6844         condition for detecting cases like (a&a) and (a^a).
6845
6846 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6847
6848         * common.opt: Add option ftree-vect-loop-version.
6849         * params.def: Add --param vect-max-version-checks.
6850         * doc/invoke.texi: Document ftree-vect-loop-version and
6851         --param vect-max-version-checks.
6852         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6853         may_misalign_stmts and defines for accessors.
6854         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6855         LOOP_VINFO_MAY_MISALIGN_STMTS.
6856         (destroy_loop_vec_info): VEC_free for
6857         LOOP_VINFO_MAY_MISALIGN_STMTS.
6858         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6859         Update documentation.
6860         (vect_update_misalignment_for_peel): New.
6861         (vect_enhance_data_refs_alignment): Update to choose loop
6862         peeling or loop versioning if appropriate for the (potentially)
6863         unaligned data references in the loop.
6864         (vect_analyze_data_refs_alignment): Remove call to
6865         vect_enhance_data_refs_alignment so the checks can be done
6866         earlier.
6867         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6868         and move up call to vect_analyze_data_refs_alignment.
6869         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6870         (vect_transform_loop): Add call to loop_version.
6871
6872 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6873
6874         PR rtl-optimization/23098
6875         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6876         * simplify-rtx.c (constant_pool_reference_p): New function.
6877         * rtl.h (constant_pool_reference_p): New prototype.
6878         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6879         constant_pool_reference_p in condition and
6880         avoid_constant_pool_reference in preparation statements.
6881
6882 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6883
6884         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6885         STRICT_LOW_PART SETs.
6886
6887 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6888
6889         PR middle-end/21460
6890         * except.c (sjlj_emit_function_enter): Find the function begin
6891         note even when it's not in first basic block.
6892
6893 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6894
6895         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6896         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6897         * aclocal.m4: Regenerate.
6898
6899 2005-09-05  DJ Delorie  <dj@redhat.com>
6900
6901         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6902         of macro.
6903
6904 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6905
6906         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6907         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6908         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6909         Follow spelling conventions.
6910         * doc/invoke.texi: Follow spelling conventions.
6911
6912 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6913
6914         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6915         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6916         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6917
6918 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6919
6920         PR target/23683
6921         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6922         (output_stack_adjust): Use gen_tmp_stack_mem.
6923         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6924         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6925         (sh_get_pr_initial_val): Likewise.
6926         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6927         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6928         * sh.md (divsi_inv_m0): Use gen_const_mem.
6929         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6930         (movdf_i4+1): Use gen_tmp_stack_mem.
6931         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6932         (fpu_switch+2): Likewise.
6933         (movv4sf_i, movv16sf_i): Use adjust_address.
6934         (symGOT_load): Set MEM_NOTRAP_P bit.
6935
6936 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6937
6938         PR target/23721
6939         * pa.c (emit_move_sequence): Fix typo in last change.
6940
6941 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6942
6943         PR rtl-optimization/23454
6944         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6945         is true.
6946
6947 2005-09-03  Richard Henderson  <rth@redhat.com>
6948             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6949
6950         PR middle-end/23671
6951         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6952         gen_rtx_MEM.
6953
6954 2005-09-02  Nicolas Pitre <nico@cam.org>
6955
6956         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6957         to bit_count to 32 bits.
6958
6959 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6960
6961         PR c++/23167
6962         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6963         generating synthetic loads from volatile lvalues.
6964
6965 005-09-02  Nick Clifton  <nickc@redhat.com>
6966
6967         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6968         __ctzhi2, __clzhi2): New functions.
6969
6970 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6971
6972         PR middle-end/23547
6973         * tree-nested.c (struct var_map_elt): Mark with GTY.
6974         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6975         var_map_elt.
6976         (lookup_field_for_decl): Allocate new element in GC memory.
6977         (lookup_tramp_for_decl): Likewise.
6978         (convert_nl_goto_reference): Likewise
6979         (create_nesting_tree): Allocate info in GC memory. Likewise for
6980         info->var_map.
6981         (free_nesting_tree): Free with ggc_free instead of free.
6982         (root): New static variable.
6983         (lower_nested_functions): Remove root as local variable.  And zero out
6984         root at the end of the function.
6985
6986 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6987
6988         PR rtl-optimization/20365
6989         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6990         to short.  New member ix.
6991         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6992         (simplify_plus_minus): Initialize ix members before calling qsort.
6993
6994 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6995
6996         PR tree-optimization/23626
6997         * tree-cfg.c (replace_uses_by): Clean up eh info.
6998
6999 2005-09-01  DJ Delorie  <dj@redhat.com>
7000
7001         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7002         fprintf.
7003
7004 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
7005
7006         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7007         (rs6000_split_multireg_move): Use replace_equiv_address instead of
7008         gen_rtx_MEM.
7009
7010 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
7011
7012         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
7013         do not issue warning for a variable definition following
7014         a declaration.
7015
7016 2005-09-01  Richard Henderson  <rth@redhat.com>
7017
7018         PR 23668
7019         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7020         conversion to CONST_VECTOR.
7021
7022 2005-09-01  Richard Henderson  <rth@redhat.com>
7023
7024         PR 23676
7025         * reload1.c (reload_as_needed): Check !CALL_P before calling
7026         fixup_eh_region_note.
7027         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7028
7029 2005-09-01  DJ Delorie  <dj@redhat.com>
7030
7031         * varasm.c (output_constant): Let the target resolve
7032         conversions of addresses to non-default pointer sizes.
7033
7034 2005-09-01  Nicolas Pitre <nico@cam.org>
7035
7036         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7037         to alow matching ARM pre-indexed addressing mode.
7038         (arm_override_options): Remove now irrelevant comment.
7039
7040 2005-09-01  Phil Edwards  <phil@codesourcery.com>
7041
7042         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
7043         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
7044         * config/i386/vxworks.h:  Likewise.
7045         * config/i386/t-vxworksae:  New file, for VxWorks AE.
7046         * config/i386/vxworksae.h:  Likewise.
7047
7048 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
7049
7050         PR tree-optimization/23410
7051         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7052         sequence is not wrapping during the first step.
7053
7054 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7055
7056         PR debug/7241
7057         * dwarf2out.c (base_type_die): Compare char_type_node with
7058         TYPE_MAIN_VARIANT (type), not type.
7059
7060 2005-09-01  Richard Guenther  <rguenther@suse.de>
7061
7062         PR tree-optimization/15366
7063         * common.opt: Add -finline-functions-called-once.
7064         Put -fearly-inlining in alphabetically ordered place.
7065         * doc/invoke.texi: Document new option.
7066         * ipa-inline.c (cgraph_decide_inlining): Honour
7067         flag_inline_functions_called_once.
7068
7069 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7070
7071         PR rtl-optimization/23478
7072         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7073         (alloc_qty): Initialize it.
7074         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7075         (combine_regs): Combine also n_throwing_calls_crossed fields.
7076         (find_free_reg): Don't attempt to caller-save pseudos crossing
7077         calls that might throw.
7078         * global.c (struct allocno): Add throwing_calls_crossed field.
7079         (global_alloc): Revert 2005-08-22 change.  Initialize
7080         throwing_calls_crossed.
7081         (find_reg): Don't attempt to caller-save pseudos crossing calls that
7082         might throw.
7083
7084 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
7085
7086         PR target/23649
7087         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7088         (mask64_operand): Reinstate code prior to 2005-06-11 change.
7089         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7090         (and64_2_operand): Tweak to use predicate.
7091         (and_operand): Adjust for mask_operand changes.
7092         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7093         (print_operand): Likewise.
7094         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7095         (mask64_1or2_operand): Delete.
7096         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7097         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7098         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7099         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7100         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7101         (rotldi3_internal4): Likewise.
7102         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7103         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7104         (ashldi3_internal7): Likewise.
7105         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7106         (ashldi3_internal, ashldi3_internal9 split): Likewise.
7107         (anddi3 split): Don't match mask64_operand.
7108         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7109         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7110         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7111         't' splitter predicate.
7112         (movdi_internal64 + 2): Revert 2005-06-11 change.
7113
7114 2005-08-31  DJ Delorie  <dj@redhat.com>
7115
7116         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7117         (m32c_asm_integer): Add support for 32 bit pointers.
7118
7119 2005-08-31  Richard Henderson  <rth@redhat.com>
7120
7121         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7122         component-like references for setting MEM_NOTRAP_P.
7123
7124         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7125         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7126
7127 2005-08-31  Richard Henderson  <rth@redhat.com>
7128
7129         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7130         into a pseudo before applying gen_lowpart.
7131
7132 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
7133
7134         * doc/install.texi (Specific): Update cctools version required
7135         for full functionality.
7136         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7137         linkers as -macosx_version_min.
7138
7139 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7140
7141         PR target/21255
7142         * sh.c (print_operand, %R and %S): Add handling of floating point
7143         registers, memory, constants and invalid operands.
7144
7145 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7146
7147         * ipa-pure-const.c: Change dump name.
7148
7149 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7150
7151         PR target/23570
7152         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7153         to "reg_or_0_operand".
7154         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7155
7156 2005-08-31  Dale Johannesen  <dalej@apple.com>
7157
7158         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7159         loops that count down.
7160
7161 2005-08-31  Richard Henderson  <rth@redhat.com>
7162
7163         PR rtl-opt/23601
7164         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7165         (fixup_eh_region_note): New.
7166         (reload_as_needed): Call it.
7167         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7168         don't call find_many_sub_basic_blocks; call verify_flow_info.
7169         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7170         (keep_stack_depressed): Likewise.
7171         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7172
7173 2005-08-31  Richard Henderson  <rth@redhat.com>
7174
7175         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7176         fp return matching.
7177
7178 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7179
7180         * expr.c (expand_expr_real_1): Compare size of address
7181         mode to target's address mode size in deciding expansion of
7182         the constant address.
7183
7184 2005-08-31  Richard Guenther  <rguenther@suse.de>
7185
7186         PR middle-end/23477
7187         * expr.c (all_zeros_p): New function.
7188         (expand_expr_real_1): Handle the case of an all-zero
7189         non-addressable constructor separately.
7190
7191 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7192
7193         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7194         arguments, adjust all callers.
7195         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7196
7197 2005-08-30  Richard Henderson  <rth@redhat.com>
7198
7199         PR target/23630
7200         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7201         whenever the mode sizes match.
7202
7203 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7204
7205         * calls.c (load_register_parameters): Fix comment typo.
7206         * expr.c (emit_push_insn): Comment formatting.
7207
7208 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7209
7210         * config/i386/x-cygwin (host-cygwin): Change dependency from
7211         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7212
7213 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7214
7215         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7216         parts of 'vals'.
7217
7218 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7219
7220         PR middle-end/23408
7221         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7222         call to ggc_collect.
7223
7224 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7225
7226         PR bootstrap/21268
7227         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7228         beginning.  Remove $(INCLUDES) from all the rules, if following
7229         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7230
7231 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7232
7233         PR middle-end/23484
7234         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7235         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7236         not constant, but maxlen is, don't set len to maxlen, rather
7237         set maxlen to len if len is a constant.
7238
7239 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7240
7241         PR tree-optimization/23475
7242         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7243         and counts.
7244
7245 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7246
7247         Fix PR middle-end/22455
7248
7249         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7250         Checksum only the parts of the tree that exist for the tree code.
7251
7252 2005-08-28  Dale Johannesen  <dalej@apple.com>
7253
7254         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7255
7256 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7257
7258         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7259
7260 2005-08-28  Richard Henderson  <rth@redhat.com>
7261
7262         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7263         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7264         of char_type_node.
7265
7266 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7267
7268         PR ada/23593
7269         * builtins.c (get_memory_rtx): Don't strip nops
7270         in between COMPONENT_REFs.
7271
7272 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7273
7274         PR middle-end/23463
7275         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7276         types.
7277         (gimplify_modify_expr): Check for zero sized types and gimplify the
7278         rhs and lhs as statements.
7279
7280 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7281
7282         PR libgcj/23508
7283         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7284         state for return address column of signal frames.
7285
7286 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7287
7288         PR target/23539
7289         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7290         bytes >= 2 not bytes == 2.
7291         (expand_block_move): Same.
7292
7293 2005-08-27  Richard Guenther  <rguenther@suse.de>
7294
7295         PR target/23575
7296         * config/i386/sse.md (sse2_movsd): Add missing closing
7297         braces.
7298
7299 2005-08-27  Paul Brook  <paul@codesourcery.com>
7300
7301         * genrecog.c (enum decision_type): Add DT_num_insns.
7302         (struct decision_test): Add u.num_insns.
7303         (add_to_sequence): Add DT_num_insns test.
7304         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7305         (write_cond, debug_decision_2): Ditto.
7306         (change_state): Assume peep2_next_insn never fails.
7307         Remove "afterward" argument.
7308         (write afterward, write_tree): Update to match.
7309         * recog.c (peep2_current_count): New variable.
7310         (peep2_next_insn): Check it.
7311         (peephole2_optimize): Set peep2_current_count.
7312         * recog.h (peep2_current_count): Declare.
7313
7314 2005-08-26  Josh Conner  <jconner@apple.com>
7315
7316         PR middle-end/23584
7317         * ipa-pure-const.c (check_tree): Check for volatile-ness
7318         when considering a dereference.
7319
7320 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7321
7322         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7323
7324 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7325
7326         PR rtl-optimization/23561
7327         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7328         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7329         at most LEN bytes long memory fits into the field.
7330         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7331         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7332         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7333
7334 2005-08-26  Richard Henderson  <rth@redhat.com>
7335
7336         PR rtl-opt/23560
7337         * loop.c (biased_biv_may_wrap_p): New.
7338         (maybe_eliminate_biv_1): Use it to suppress non-equality
7339         comparison transformations.  Delete disabled code.
7340
7341 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7342
7343         * combine.c (make_extraction): Avoid reference outside object.
7344
7345 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7346
7347         * stor-layout.c (finalize_type_size): Restore behaviour for
7348         non-aggregate types to the status quo ante of the patch for
7349         pr 23467.  Document why it matters.
7350
7351 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7352
7353         PR c/23506
7354         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7355         array by one element, initialize the BT_LAST element with NULL.
7356
7357 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7358
7359         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7360         optimizing for size.
7361         (plus_eqsi): Same.
7362         (compare_plus_eqsi): Same.
7363         (plus_eqsi_compare): Same.
7364         (neg_eq0<mode>): Same.
7365         (neg_eq<mode>): Same.
7366
7367         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7368         PROCESSOR_POWER4.
7369
7370 2005-08-26  Nick Clifton  <nickc@redhat.com>
7371
7372         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7373         TARGET_EP is not defined.
7374         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7375         TARGET_EP is enabled.
7376         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7377         * config/v850/v850.md (save_all_interrupt): Only use the EP
7378         register if TARGET_EP is defined.
7379         (restore_all_interrupt): Likewise.
7380         * config/v850/lib1funcs.asm: Update functions so that the EP
7381         register is only used if __EP__ is defined.
7382
7383 2005-08-26  David Ung  <davidu@mips.com>
7384
7385         * config/mips/mips.c (mips_expand_prologue): Handle case when
7386         generating for MIPS16 and the outgoing argument area is more than
7387         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7388         add instruction.
7389
7390 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7391
7392         * config/crx/crx.md: Make doloop_end pattern usage controllable
7393         via mloop-nesting=<max-nesting> command line switch. Make sure
7394         the combiner cannot use doloop_end_<mode> in an illegal way.
7395         * config/crx/crx.c: Use regs up to r6 for argument passing.
7396         Refine crx_address_cost (non cst4 displacements are expensive).
7397         * config/crx/crx.opt: Add switch for mloop-nesting=.
7398
7399 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7400
7401         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7402         (UNSPEC_MVST): New constant.
7403
7404 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7405
7406         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7407         Reject operands containing eliminable registers.
7408         * testsuite/gcc.dg/20050825-1.c: New testcase.
7409
7410 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7411             Jan Hubicka  <jh@suse.cz>
7412
7413         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7414
7415 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7416
7417         PR tree-optimization/23546
7418         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7419         and REAL_CST nodes.
7420
7421 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7422
7423         * params.def (PARAM_MIN_SPEC_PROB): New.
7424         * sched-rgn.c (MIN_PROBABILITY): Delete.
7425         (compute_trg_info): Convert to PARAM_VALUE.
7426         * doc/invoke.texi (param): Document min-spec-prob.
7427
7428 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7429
7430         * config/darwin.h: define __PIC__
7431         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7432         TARGET_OS_CPP_BUILTINS macro.
7433
7434 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7435
7436         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7437         yesterday.
7438
7439 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7440
7441         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7442         to duplicate_block.
7443         * cfghooks.c (duplicate_block): Added position where to place
7444         new block as argument.
7445         * cfghooks.h (duplicate_block): Declaration changed.
7446         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7447         duplicate_block.
7448         * cfglayout.h (copy_bbs): Declaration changed.
7449         * cfgloop.h (loop_version): Declaration changed.
7450         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7451         position to copy_bbs.
7452         (loop_version): Pass position to duplicate_loop_to_header_edge.
7453         Add place_after argument and position new blocks according to
7454         it.
7455         * modulo-sched.c (sms_schedule): Pass place_after argument
7456         to loop_version.
7457         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7458         * tree-cfg.c (split_edge_bb_loc): New function.
7459         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7460         to determine position of new blocks.
7461         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7462         to loop_version.
7463         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7464         argument to duplicate_block.
7465         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7466         Pass position to copy_bbs.
7467
7468 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7469
7470         * fold-const.c (ptr_difference_const): Use
7471         cst_and_fits_in_hwi instead of host_integerp.
7472
7473 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7474
7475         * config/darwin.c (gen_pic_offset): New.
7476         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7477         Use it.
7478
7479 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7480
7481         PR tree-optimization/23486
7482         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7483
7484 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7485
7486         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7487         remove use_collect2.
7488         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7489
7490         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7491         configuration files to override the default value.
7492
7493         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7494         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7495         * config/vx-common.h:  New file, split out from...
7496         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7497         * config/vxworksae.h:  New file, for VxWorks AE.
7498         * config/vxworks.opt:  New file.
7499         * config/vxlib.c:  Update for VxWorks 6.
7500
7501         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7502         other MULTILIB_* variables appropriately.
7503         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7504         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7505         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7506         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7507
7508 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7509
7510         PR target/20799
7511         * config/darwin.c (machopic_select_section): Remove the hack to
7512         mark "::operator new" and "::operator delete" for coalescing
7513         even though they are not weak.
7514
7515 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7516
7517         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7518         * configure: Regenerate.
7519
7520 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7521
7522         PR middle-end/23517
7523         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7524         between vectors.
7525         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7526         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7527         Likewise.
7528
7529 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7530
7531         * config/rs6000/predicates.md (equality_operator): New.
7532         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7533         comparison with a large constant.
7534
7535 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7536
7537         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7538
7539 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7540
7541         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7542         registers is even, and we have a hardware double precision fp,
7543         align the buffer.
7544         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7545         size of current argument when checking if argument was passed in
7546         registers.
7547
7548         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7549
7550         PR middle-end/23467
7551         * stor-layout.c (finalize_type_size): Dont override
7552         existing alignment with a smaller alignment from the mode.
7553
7554 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7555
7556         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7557         * lambda.h (lambda_vector_lexico_pos): ... here.
7558         * tree-data-ref.c (build_classic_dist_vector): Return false when
7559         the distance vector is lexicographically negative.
7560
7561 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7562
7563         PR tree-optimization/23511
7564         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7565         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7566
7567 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7568
7569         PR tree-optimization/22043
7570         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7571         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7572         If ALLOW_FLEXARR, handle types ending with flexible array member.
7573         Pass false as second argument to recursive count_type_elements calls.
7574         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7575         argument to count_type_elements call.
7576         * tree-sra.c (decide_block_copy): Likewise.
7577         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7578         for a constant-sized object, set cleared as well.  Pass true as
7579         second argument to count_type_elements call.
7580
7581 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7582
7583         PR target/21571
7584         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7585         from legitimate_small_data_p, and make global.  Update use.
7586         Remove forward declaration.
7587         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7588         Declare.
7589         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7590
7591 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7592
7593         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7594         of scratch intermediates.
7595         (eq<mode>_compare): Same.
7596         (neg_eq0<mode>): New.
7597         (neg_eq<mode>): Convert to define_insn_and_split.
7598
7599 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7600
7601         PR target/23070
7602         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7603         stdarg functions, set/clear the fp marker even when no variable
7604         args are passed.
7605         * config/rs6000/sysv4.opt (mprototype): Describe.
7606
7607 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7608
7609         PR rtl-optimization/23478
7610         * regs.h (reg_info): Add throw_calls_crossed.
7611         (REG_N_THROWING_CALLS_CROSSED): Define.
7612         * flow.c (allocate_reg_life_data): Initialize
7613         REG_N_THROWING_CALLS_CROSSED.
7614         (propagate_one_insn, attempt_auto_inc): Update
7615         REG_N_THROWING_CALLS_CROSSED.
7616         * global.c (global_alloc): Don't allocate pseudos across
7617         calls that may throw.
7618
7619 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7620
7621         PR c/18715
7622         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7623         value is inbetween the range if we did not find an exact match.
7624
7625 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7626
7627         * doc/invoke.texi (Option Summary): Add ms1 options.
7628         * doc/extend.texi: Document interrupt handler attribute for ms1.
7629         * doc/md.texi: Document ms1 constraints.
7630         * config.gcc: Add ms1-*-elf.
7631         * config/ms1/ms1.h: New.
7632         * config/ms1/ms1.c: New.
7633         * config/ms1/ms1.md: New.
7634         * config/ms1/ms1-protos.h: New.
7635         * config/ms1/ABI.txt: New.
7636         * config/ms1/crti.asm: New.
7637         * config/ms1/crtn.asm: New.
7638         * config/ms1/lib2extra-funcs.c: New.
7639         * config/ms1/t-ms1: New.
7640         * config/ms1/ms1.opt: New.
7641
7642 2005-08-22 Ira Rosen <irar@il.ibm.com>
7643
7644         * config/rs6000/altivec.md (xorv4sf3): New.
7645         (negv4sf2, neg<mode>2): Likewise.
7646
7647 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7648
7649         PR target/23485
7650         * config/ia64/ia64.md (divsi3): Check divide by zero.
7651         (udivsi3): Likewise.
7652         (divdi3): Likewise.
7653         (udivdi3): Likewise.
7654
7655 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7656
7657         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7658         up to elem_bitsize bits, not max_bitsize.
7659
7660 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7661
7662         PR tree-optimization/23433
7663         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7664         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7665
7666 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7667
7668         PR tree-optimization/23434
7669         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7670         the iteration bound is not an INTEGER_CST.
7671
7672 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7673
7674         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7675         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7676         NULL if need_epilog_adjust is false.
7677         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7678         Case 3 always peels first itration, not just for PLUS case, and no need
7679         to use scalar_initial_def here. Create an epilog adjustment only if
7680         scalar_initial_def is not NULL.
7681
7682         (vectorizable_reduction): Remove assert.
7683
7684 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7685
7686         PR target/23485
7687         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7688         (__moddi3): Likewise.
7689         (__udivdi3): Likewise.
7690         (__umoddi3): Likewise.
7691         (__divsi3): Likewise.
7692         (__modsi3): Likewise.
7693         (__udivsi3): Likewise.
7694         (__umodsi3): Likewise.
7695
7696 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7697
7698         * tree-pass.h (TDF_GRAPH): Define.
7699         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7700         * passes.c (finish_optimization_passes): Only call
7701         finish_graph_dump_file if TDF_GRAPH is set.
7702         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7703         NULL.  Set TDF_GRAPH bit.
7704         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7705
7706 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7707
7708         * arm.h (arm_stack_offsets): Add locals_base field.
7709         * arm.c (arm_get_frame_offsets): Compute it.
7710         (thumb_compute_initial_elimination offset): Make the Thumb frame
7711         pointer point to the base of the local variables.
7712         (thumb_expand_prologue): Update accordingly.
7713         (thumb_expand_epilogue): Likewise.
7714
7715         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7716         mode of clobbered scratch to DImode.  Handle a case that's known to
7717         need this.
7718
7719 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7720
7721         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7722         (gt0<mode>_compare): Delete.
7723         (neg_gt0<mode>): Delete.
7724
7725 2005-08-19  Eric Christopher  <echristo@apple.com>
7726
7727         * optabs.h: Change CTI_ to COI_.
7728         * optabs.c: Ditto.
7729
7730 2005-08-19  James E Wilson  <wilson@specifix.com>
7731
7732         * builtins.c (expand_builtin_return_addr): Set
7733         current_function_accesses_prior_frames when count != 0.  Use
7734         frame_pointer_rtx when count == 0.
7735         * function.h (struct function): Add accesses_prior_frames field.
7736         (current_function_accesses_prior_frames): Define.
7737         * reload1.c (init_elim_table): Check
7738         current_function_accesses_prior_frames.
7739         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7740
7741 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7742
7743         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7744         indicator.  Return true if the flowgraph changed during
7745         cleanup.
7746
7747 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7748
7749         PR 23476
7750         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7751         conditional expression before testing its value.
7752
7753 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7754
7755         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7756
7757 2005-08-19  Devang Patel  <dpatel@apple.com>
7758
7759         PR tree-optimization/23048
7760         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7761         third parameter. Check whether latch is dominated by exit
7762         block or not.
7763         (if_convertible_loop_p): Supply exit block itself to
7764         if_convertible_bb_p.
7765
7766 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7767
7768         PR target/23473
7769         * arm.md (arm_load_pic_register): Change argument to the mask of
7770         saved registers.  Call thumb_find_work_register if we need a
7771         scratch register on Thumb.
7772         (arm_expand_prologue): Pass empty register set to
7773         arm_load_pic_register.
7774         (thumb_expand_prologue): Pass live_regs_mask directly to
7775         arm_load_pic_register.
7776         * arm-protos.h (arm_load_pic_register): Update prototype.
7777
7778 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7779
7780         * sh.c (find_sole_member): New function.
7781         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7782         if the record's alignment is larger than the size of its only member.
7783
7784 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7785
7786         PR target/23436
7787         * arm.c (thumb_legitimize_reload_address): New function.
7788         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7789         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7790
7791 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7792
7793         * config/crx/crx.c: Implement crx_decompose_address. Reject
7794         symbolic displacements since CRX register relative adressing
7795         mode can't handle unsigned 32-bit values as displacements.
7796         * config/crx/crx.h: Simplify definitions, remove redundant
7797         parenthesis and obsolete macros.
7798         * config/crx/crx.opt: Add new switch for debugging addresses.
7799         * config/crx/crx-protos.h: Add new declarations for above.
7800
7801 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7802
7803         PR middle-end/20624
7804         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7805         looking past it.
7806
7807 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7808
7809         * collect2.c (dup2): Delete.
7810         * configure.ac: Don't check for dup2.
7811
7812         * config.in, configure: Regenerate.
7813
7814 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7815
7816         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7817         record with the type of its only member.
7818
7819 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7820
7821         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7822         define_insn_and_split.
7823         (plus_ltu<mode>_compare): Same.
7824         (gtu<mode>_compare): Same.
7825         (plus_gtu<mode>_compare): Same.
7826
7827 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7828
7829         PR tree-optimization/22228
7830         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7831         todo_flags_start.
7832         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7833         are recorded in vect_vnames_to_rename for renaming.
7834         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7835         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7836         in vect_vnames_to_rename.
7837         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7838         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7839
7840 2005-08-18  Jan Hubicka  <jh@suse.cz>
7841
7842         PR c++/22034
7843         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7844         info only for local statics, not for member variables.
7845
7846 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7847
7848         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7849
7850 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7851
7852         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7853
7854 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7855
7856         PR middle-end/16045
7857         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7858
7859 2005-08-17  James E Wilson  <wilson@specifix.com>
7860
7861         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7862         array size check.
7863
7864 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7865
7866         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7867         (leu<mode>_compare): Same.
7868         (plus_leu<mode>): Same.
7869         (neg_leu<mode>): Same.
7870         (and_neg_leu<mode): Same.
7871         (ltu<mode>_compare): Same.
7872         (plus_ltu<mode>): Same.
7873         (geu<mode>): Same.
7874         (geu<mode>_compare): Same.
7875         (plus_geu<mode>): Same.
7876         (neg_geu<mode>): Same.
7877         (and_neg_geu<mode>): Same.
7878         (plus_gt<mode>): Same.
7879         (gtu<mode>_compare): Same.
7880         (plus_gtu<mode>): Same.
7881
7882 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7883
7884         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7885         Move call_table_data to end.  Delete spurious .text.
7886         (callt_save_all_interrupt): Fix comment typo.
7887
7888 2005-08-17  James E Wilson  <wilson@specifix.com>
7889             Kevin Winchester  <winchester@amirix.com>
7890
7891         PR target/21684
7892         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7893
7894 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7895
7896         PR target/23268
7897         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7898         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7899
7900 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7901
7902         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7903         record with the type of its only member if the modes don't match.
7904
7905         * varasm.c (decode_reg_name): Skip empty additional register names.
7906
7907 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7908
7909         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7910         lsm_tmp_name_length): New.
7911         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7912         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7913
7914 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7915             Andreas Krebbel  <krebbel1@de.ibm.com>
7916
7917         * config.gcc: Added z9-109 switch.
7918         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7919         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7920         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7921         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7922         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7923         for "z9_109" cpu attribute.
7924         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7925         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7926         (s390_handle_arch_option): Added z9-109 switch.
7927         (override_options): Set respective cost function for z9-109.
7928         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7929         (legitimate_reload_constant_p): Accept extended immediates.
7930         (print_operand): Three new output modifiers added: k, m and o.
7931         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7932         (s390_output_mi_thunk): Use extended immediate when possible.
7933         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7934         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7935         (CONSTRAINT_LEN): Added length of O constraint.
7936         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7937         * config/s390/s390.md ("cpu"): New value z9_109 added.
7938         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7939         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7940         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7941         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7942         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7943         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7944         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7945         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7946         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7947         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7948         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7949         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7950         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7951         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7952         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7953         immediates.
7954         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7955         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7956         insns for TARGET_EXTIMM.
7957
7958 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7959
7960         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7961
7962 2005-08-17  Nick Clifton  <nickc@redhat.com>
7963
7964         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7965         Call default_encode_section_info.
7966
7967 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7968
7969         PR tree-optimization/21574
7970         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7971         constant, return CONSTANT.
7972         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7973         (ccp_fold, visit_assignment): Likewise.
7974         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7975
7976 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7977
7978         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7979         fold_buildN instead of buildN then fold_initializer or fold.
7980         (build_unary_op): Likewise.
7981         (build_binary_op): Likewise.
7982         * fold-const.c (fold_initializer): Remove.
7983         (fold_build1_initializer): New function.
7984         (fold_build2_initializer): New function.
7985         (fold_build3_initializer): New function.
7986         * tree.h (fold_initializer): Remove.
7987         (fold_build1_initializer): New function.
7988         (fold_build2_initializer): New function.
7989         (fold_build3_initializer): New function.
7990
7991 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7992
7993         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7994         (try_move_mult_to_index): Call fold_build2 instead of build2.
7995         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7996         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7997         fold_binary_to_constant.
7998         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7999         fold (build.
8000         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8001         check if A == gcd (A, B).  Remove TYPE argument.
8002         (analyze_offset) Use fold_build2 instead of fold (build.
8003         (create_data_ref): Likewise.
8004         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8005         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8006         then fold.
8007
8008 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
8009
8010         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8011         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8012
8013 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
8014
8015         PR tree-opt/23402
8016         * gimplify.c (zero_sized_type): New function.
8017         (gimplify_modify_expr_rhs): If we have a zero sized type,
8018         replace the statement with an empty statement.
8019
8020 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
8021
8022         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8023         fxsave.
8024
8025 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8026
8027         * doc/tm.texi (Label Output): Correct typo.
8028
8029 2005-08-16  Steven Bosscher  <stevenb@suse.de>
8030
8031         PR target/23376
8032         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8033         force_operand will work later on using have_insn_for.
8034
8035 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8036
8037         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8038
8039 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8040
8041         PR c++/23337
8042         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8043         vector type, don't try to construct it element by element.  Add an
8044         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8045
8046 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8047
8048         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8049
8050 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
8051
8052         * doc/invoke.texi (Precompiled Headers): Document some more options
8053         which are known to be safe.
8054
8055 2005-08-16  James E Wilson  <wilson@specifix.com>
8056
8057         PR tree-optimization/21105
8058         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8059         TREE_OVERFLOW check.
8060
8061 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
8062
8063         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8064         (neg_ltu<mode>): Same.
8065         (gtu<mode>): Same.
8066         (neg_gtu<mode>): Same.
8067
8068 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8069
8070         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8071         (fold_builtin_isdigit): Use fold_buildN.
8072         (build_function_call_expr): Likewise.
8073         * c-typeck.c (c_finish_loop): Likewise.
8074
8075 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
8076             Richard Shann <rshann@superh.com>
8077
8078         PR middle-end/20396:
8079         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8080
8081 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
8082
8083         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8084
8085 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8086
8087         PR target/23355
8088         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8089         arm_compure_save_reg0_reg12_mask to determine when the PIC register
8090         must be saved.
8091
8092 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8093
8094         PR middle-end/23369
8095         * fold-const.c (build_range_check): Disable optimization for function
8096         pointer expressions on targets that require function pointer
8097         canonicalization.
8098
8099 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8100
8101         * simplify-rtx.c (simplify_const_relational_operation): When
8102         extracting arguments of a COMPARE, recompute the mode as well.
8103
8104 2005-08-15  Ian Lance Taylor  <ian@airs.com>
8105
8106         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8107
8108 2005-08-15  DJ Delorie  <dj@redhat.com>
8109
8110         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8111         the stack.
8112         (movsi_splittable): Allow, but split, moves to the stack.
8113         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8114         stack.
8115
8116 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8117
8118         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8119         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8120         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8121
8122         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8123         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8124         Delete HOST_PTR_PRINTF.
8125
8126         * configure, config.in: Regenerate.
8127
8128 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
8129
8130         * config/rs6000/rs6000.md (QHSI): New mode macro.
8131         (wd): Extend mode attr for QImode and HImode
8132         (dbits): New mode attr.
8133         (zero_extend<mode>di2): Convert to mode macro.
8134
8135 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
8136
8137         PR target/21841
8138         * doc/invoke.texi (-mgnu-ld): Update description.
8139         (-mhp-ld): Ditto.
8140
8141 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8142
8143         PR 23391
8144         * Makefile.in (tree-chrec.o): Depends on real.h.
8145         * tree-chrec.c: Include real.h.
8146         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8147         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8148         * tree-scalar-evolution.c (add_to_evolution_1,
8149         interpret_rhs_modify_expr): Ditto.
8150
8151 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8152
8153         PR 23386
8154         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8155         step is negative compute the estimation from init downwards to zero.
8156
8157 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8158
8159         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8160
8161 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8162
8163         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8164         constraint.
8165         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8166         Accept double-word constants that can be split.
8167         * config/s390/s390.md ("movti"): Use 'P' constraint.
8168         ("*movdi_31", "*movdf_31"): Likewise.
8169
8170 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8171
8172         Fix PR tree-optimization/22615
8173
8174         * tree-ssa-structalias.c (solution_set_add): Handle
8175         first_vi_for_offset returning NULL.
8176         (do_da_constraint): Ditto.
8177         (do_sd_constraint): Ditto.
8178         (do_ds_constraint): Ditto
8179         (find_func_aliases): Ditto.
8180         (build_constraint_graph): RHS is allowed be ANYTHING.
8181         (first_vi_for_offset): Return NULL if we couldn't find anything at
8182         the offset.
8183
8184 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8185
8186         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8187         over memory as first operand.
8188
8189 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8190
8191         PR target/23360
8192         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8193         available for setting it.
8194
8195 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8196
8197         PR tree-optimization/23320
8198         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8199         data-refs' types instead of base object nullness. Add check for
8200         pointer type data-refs before first location comparison. Remove
8201         assert.
8202
8203 2005-08-14  Andreas Schwab  <schwab@suse.de>
8204
8205         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8206
8207 2005-08-13  James E Wilson  <wilson@specifix.com>
8208
8209         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8210         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8211         -fstack-protector-all, --param ssp-buffer-size): Document.
8212         (-Wvariadic-macros): Alphabetize.
8213         (-fsched-stalled-insns-dep): Add missing 'f'.
8214
8215         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8216         macros.
8217
8218 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8219
8220         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8221         or indirect address operand.
8222         (EXTRA_ADDRESS_CONSTRAINT): New.
8223         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8224
8225 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8226
8227         PR tree-optimization/22236
8228         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8229         successors and predecessors.
8230         * tree-chrec.c (chrec_convert): Before converting, check that
8231         sequences don't wrap.
8232         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8233         (analyze_array): Extern.
8234         (find_data_references_in_loop): Remove call to
8235         compute_estimated_nb_iterations.
8236         * tree-data-ref.h (analyze_array): Declared.
8237         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8238         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8239         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8240         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8241         condition.
8242         * tree-ssa-loop-ivcanon.c: Fix documentation.
8243         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8244         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8245         (infer_loop_bounds_from_undefined): New.
8246         (estimate_numbers_of_iterations_loop): Use
8247         infer_loop_bounds_from_undefined.
8248         (used_in_pointer_arithmetic_p): New.
8249         (scev_probably_wraps_p): Pass an extra parameter.  Call
8250         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8251         (convert_step): Fix documentation.
8252         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8253         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8254         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8255         scev_probably_wraps_p.
8256
8257 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8258
8259         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8260         (s390_register_info): Ignore clobbered_regs information for fixed
8261         registers, and only fixed registers.
8262         (s390_init_frame_layout): Remove redundant call.
8263
8264 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8265
8266         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8267         description of -Wold-style-casts.
8268
8269 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8270             Jakub Jelinek  <jakub@redhat.com>
8271
8272         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8273         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8274         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8275         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8276         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8277         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8278         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8279         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8280         ("stack_protect_set", "stack_protect_test"): New expanders.
8281         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8282         "stack_protect_testdi"): New insn definitions.
8283
8284 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8285
8286         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8287
8288 2005-08-12  Paul Brook  <paul@codesourcery.com>
8289
8290         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8291
8292 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8293
8294         * config/s390/predicates.md (setmem_operand): New predicate.
8295         (shift_count_operand): Accept ANDs with special constants as
8296         operand.
8297         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8298         with special constants.
8299         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8300         shift_count_operand with setmem_operand.
8301
8302 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8303
8304         * config/s390/s390.c (s390_extract_part, s390_single_part):
8305         Type cast added.
8306         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8307         (s390_output_mi_thunk): Don't use lg on 31 bit.
8308         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8309         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8310
8311 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8312
8313         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8314         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8315         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8316         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8317         with one of the new macros.
8318
8319 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8320
8321         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8322         Don't set save_return_addr_p.
8323         (s390_register_info): Make clobbered_regs not depending on
8324         save_return_addr_p.
8325
8326 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8327
8328         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8329         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8330
8331 2005-08-11  James E. Wilson  <wilson@specifix.com>
8332
8333         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8334
8335 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8336
8337         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8338         locations gathered by var-tracking in single entry loc_list
8339         over loc_descriptor_from_tree.
8340
8341         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8342         pass it down to loc_descriptor.
8343         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8344         (containing_function_has_frame_base): Move earlier in the file.
8345         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8346         instead of always assuming fbreg can't be used.
8347
8348 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8349
8350         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8351         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8352         Accept address wrapped in AND for Altivec.
8353         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8354         Strip AND wrapping offset address for Altivec.
8355
8356 2005-08-11  Richard Henderson  <rth@redhat.com>
8357
8358         PR middle-end/23312
8359         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8360         before using TYPE_IS_SIZETYPE.
8361
8362 2005-08-11  Richard Henderson  <rth@redhat.com>
8363
8364         PR target/22225
8365         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8366         insn types not present on ev4.
8367         (alphaev5_insn_pipe): Similarly.
8368
8369 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8370
8371         PR target/23250
8372         * arm.c (arm_override_options): If the user has selected callee-super-
8373         interworking, then enable normal interworking.
8374
8375 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8376
8377         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8378         redefinition.
8379
8380 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8381
8382         * doc/rtl.texi: Fix two typos.
8383
8384 2005-08-11  Richard Guenther  <rguenther@suse.de>
8385
8386         PR target/23289
8387         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8388         cases where we call to/from functions returning void.
8389
8390 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8391
8392         PR c++/23225
8393         * tree.c (build_pointer_type_for_mode): Robustify.
8394
8395 2005-08-10  James E Wilson  <wilson@specifix.com>
8396
8397         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8398         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8399
8400         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8401         "cum->".
8402
8403 2005-08-10  Eric Christopher  <echristo@apple.com>
8404
8405         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8406         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8407         V2DFmode.
8408
8409 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8410
8411         PR target/21887
8412         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8413         for the high part when generating dynamic-no-pic code.
8414
8415 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8416
8417         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8418         (x86_64-*-linux*): Likewise.
8419
8420         * config/i386/crtfastmath.c: New file.
8421         * config/i386/t-crtfm: Likewise.
8422
8423         * config/i386/linux.h (ENDFILE_SPEC): New.
8424         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8425
8426         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8427         crtfastmath.o.
8428
8429 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8430
8431         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8432         (vec_shl, vec_shr): Document new operations.
8433         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8434
8435 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8436
8437         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8438         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8439         change predicate to indexed_or_indirect_address.
8440
8441 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8442
8443         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8444         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8445         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8446         and __aeabi_uwrite8.
8447         * config/arm/unaligned-funcs.c: New file.
8448         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8449
8450 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8451
8452         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8453         Add dump.
8454         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8455         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8456         Add dump.
8457         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8458         * final.c (pass_shorten_branches): Add dump.
8459         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8460         (pass_life): Rename dump.
8461         (rest_of_handle_flow2): Remove initial verify_flow_info.
8462         * function.c (pass_instantiate_virtual_regs): Add dump.
8463         * integrate.c (pass_initial_value_sets): Add dump.
8464         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8465         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8466         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8467         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8468         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8469         gate_rtl_unrool_and_peel_loops): New.
8470         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8471         rtl_doloop): Do not look at flags.
8472         * mode-switching.c (pass_mode_switching): Add dump.
8473         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8474         pass_split_before_regstack): Add dump.
8475         * regmove.c (pass_stack_adjustments): Add dump.
8476         * tree-optimize.c (pass_fixup_cfg): Add dump.
8477
8478 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8479
8480         PR 23309
8481         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8482         deciding which instruction sequence to use.
8483
8484 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8485
8486         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8487         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8488
8489 2005-08-09  Richard Guenther  <rguenther@suse.de>
8490
8491         * c-common.c (builtin_function_2): Remove.
8492         (def_builtin_1): New function.
8493         (c_common_nodes_and_builtins): Use def_builtin_1 to
8494         build builtin functions.
8495
8496 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8497
8498         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8499         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8500         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8501         Visual DSP.
8502
8503 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8504
8505         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8506         fold_binary instead of fold_build2 since we don't care about the
8507         resulting tree.
8508         (loop_niter_by_eval): Likewise.
8509         (compare_trees): Likewise.
8510         (proved_non_wrapping_p): Likewise.
8511
8512 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8513
8514         PR c/23161
8515         PR c/23165
8516         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8517         if the if is really empty.
8518
8519 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8520
8521         PR tree-optimization/23234
8522         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8523         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8524         argument of the new enum.
8525         (execute_cse_reciprocals): Add reciprocals for function arguments
8526         on the unique successor edge of the entry block.  Update other calls
8527         to execute_cse_reciprocals_1.
8528
8529 2005-08-08  Richard Henderson  <rth@redhat.com>
8530
8531         PR 22439
8532         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8533
8534 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8535
8536         * expr.c (write_complex_part): Return after handling MEM.
8537
8538 2005-08-08  Josh Conner  <jconner@apple.com>
8539
8540         PR rtl-optimization/23241
8541         * combine.c (simplify_comparison): Fix error in determining
8542         whether to lift a subreg from comparison.
8543
8544 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8545
8546         PR target/18506
8547         * config/rs6000/altivec.md (vec_init<mode>): New.
8548         (vec_set<mode>): New.
8549         (vec_extract<mode>): New.
8550         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8551         (rs6000_expand_vector_set): New.
8552         (rs6000_expand_vector_extract): New.
8553         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8554         for Altivec modes before reload.
8555         (altivec_expand_vec_init_builtin): New.
8556         (get_element_number): New.
8557         (altivec_expand_vec_set_builtin): New.
8558         (altivec_expand_vec_ext_builtin): New.
8559         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8560         builtins.
8561         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8562         builtins.
8563         * config/rs6000/rs6000.h (rs6000_builtins): Add
8564         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8565         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8566         * config/rs6000/rs6000-protos.h: Declare new functions.
8567
8568 2005-08-08  Jan Hubicka  <jh@suse.cz>
8569
8570         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8571         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8572         * i386.md (movdi*): Use pic_32bit_operand.
8573         * predicates.md (pic_32bit_operand): New.
8574
8575 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8576
8577         PR c++/21166
8578         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8579
8580 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8581
8582         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8583         (test_for_singularity): Use fold_build2.
8584
8585 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8586
8587         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8588
8589 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8590
8591         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8592         (COMMON_ASM_OP) Define.
8593         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8594         (ix86_encode_section_info): Likewise.
8595         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8596         SUBTARGET_ENCODE_SECTION_INFO.
8597
8598 2005-08-06  Richard Henderson  <rth@redhat.com>
8599
8600         PR 21894
8601         * tree-nested.c (convert_local_reference): Save and restore val_only
8602         around component_ref and friends.  Clear walk_subtrees by default.
8603
8604 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8605
8606         PR 21366
8607         * gcc.c (process_command): Check the argument to -b has a dash.
8608         * doc/invoke.texi: Update -b and -V docs.
8609
8610 2005-08-06  James E Wilson  <wilson@specifix.com>
8611
8612         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8613
8614 2005-08-06  Michael Matz  <matz@suse.de>
8615
8616         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8617         member only if only one insn is associated with the value.
8618
8619 2005-08-06  Nick Clifton  <nickc@redhat.com>
8620
8621         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8622         New define.
8623         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8624         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8625         Check symbol flags instead of symbol name mangling.
8626         (xstormy16_asm_output_aligned_common): Likewise.  Also
8627         simplify code since the bss100_section cass is the only case
8628         where the below100 code will be triggered.
8629         (xstormy16_encode_section_info): Encode below100 attribute
8630         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8631         the name.
8632         (xstormy16_strip_name_encoding): Delete - this function is no
8633         longer needed.
8634         (TARGET_STRIP_NAME_ENCODING): Undefine.
8635         * config/stormy16/stormy16-protos.h: Delete prototype for
8636         xstormy16_strip_name_encoding.
8637
8638 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8639
8640         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8641         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8642         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8643         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8644         config/alpha/predicates.md, config/arc/arc.h,
8645         config/arm/arm.h, config/arm/ieee754-df.S,
8646         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8647         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8648         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8649         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8650         config/m68hc11/m68hc11.h, config/mips/mips.c,
8651         config/mips/mips.h, config/mips/openbsd.h,
8652         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8653         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8654         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8655         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8656         config/sparc/linux.h, config/sparc/linux64.h,
8657         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8658         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8659         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8660         typos.  Follow spelling conventions.
8661
8662 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8663
8664         PR c/23113
8665         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8666         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8667         specially.  Check for side effects only for COND_EXPR.
8668         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8669         return with TREE_NO_WARNING.
8670
8671 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8672
8673         PR rtl-optimization/23233
8674         * loop.c (combine_movables): Require the modes to be the same.
8675         (move_movables): Remove handling of cases where the replacement
8676         had a different mode to the original.
8677
8678 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8679
8680         PR tree-optimization/23128
8681         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8682         subtraction wrap, and set TREE_OVERFLOW if they do.
8683
8684 2005-08-05  Richard Henderson  <rth@redhat.com>
8685
8686         PR 21728
8687         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8688         FORCED_LABEL labels.
8689
8690 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8691
8692         PR middle-end/23135
8693         * reload.c (find_reloads_subreg_address): Pass down TYPE
8694         unchanged.  Change all callers except find_reloads_toplev.
8695
8696 2005-08-05  Michael Matz  <matz@suse.de>
8697
8698         * genattrtab.c (current_alternative_string): Remove.
8699         (SIMPLIFY_ALTERNATIVE): Ditto.
8700         (attr_alt_bit_p): Ditto.
8701         (alternative_name): Make const char *.
8702         (evaluate_eq_attr): Remove use of above things.
8703         (simplify_test_exp): Ditto.
8704         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8705         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8706
8707 2005-08-04  James E Wilson  <wilson@specifix.com>
8708
8709         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8710         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8711         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8712         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8713         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8714
8715 2005-08-04  Richard Henderson  <rth@redhat.com>
8716
8717         PR 21529
8718         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8719         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8720         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8721         if we'd have to instantiate too many members.
8722
8723 2005-08-04  Richard Henderson  <rth@redhat.com>
8724
8725         PR 21291
8726         * tree-outof-ssa.c (coalesce_asm_operands): New.
8727         (coalesce_ssa_name): Use it.  Split out ...
8728         (coalesce_phi_operands, coalesce_result_decls): ... these.
8729
8730 2005-08-04  Paul Brook  <paul@codesourcery.com>
8731
8732         * read-rtl.c (read_quoted_string): Break if EOF.
8733
8734 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8735
8736         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8737         (fold_build2): Likewise.
8738         (fold_build3): Likewise.
8739         (fold_build1_stat): New function prototype.
8740         (fold_build2_stat): Likewise.
8741         (fold_build3_stat): Likewise.
8742         * fold-const.c (fold_build1): Rename to ..
8743         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8744         through to build1_stat.
8745         (fold_build2): Rename to ..
8746         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8747         through to build2_stat.
8748         (fold_build3): Rename to ..
8749         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8750         through to build3_stat.
8751
8752 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8753             Ian Lance Taylor  <ian@airs.com>
8754
8755         * function.c (assign_stack_local_1): Do not correct stack slot
8756         address if allocation size is smaller than mode size.
8757
8758 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8759
8760         PR 22037
8761         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8762         (tree_merge_blocks): Propagate anything allowed by
8763         may_propagate_copy.
8764         Clarify documentation.
8765         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8766         SSA form, schedule an update if necessary.
8767
8768 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8769
8770         * doc/install.texi (Binaries): Remove broken link to
8771         Sinix/Reliant Unix binaries.
8772
8773 2005-08-03  Richard Henderson  <rth@redhat.com>
8774
8775         PR 23221
8776         * function.c (stack_protect_epilogue): Export.
8777         * tree.h (stack_protect_epilogue): Declare.
8778         * calls.c (expand_call): Call it.
8779
8780 2005-08-03  Eric Christopher  <echristo@apple.com>
8781
8782         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8783         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8784         spec.
8785
8786 2005-08-04  Jan Hubicka  <jh@suse.cz>
8787
8788         * profile.c (branch_prob): Split edges with goto locus on them
8789         to get proper line counts.
8790         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8791
8792 2005-08-03  Paul Brook  <paul@codesourcery.com>
8793
8794         * function.c (assign_parms): Round current_function_args_size
8795         to PARM_BOUNDARY, not STACK_BOUNDARY.
8796
8797 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8798
8799         * config/i386/i386.c (x86_elf_aligned_common)
8800         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8801
8802 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8803
8804         PR tree-optimization/23157
8805         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8806         before emitting them.
8807
8808 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8809
8810         PR tree-optimization/19899
8811         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8812         * tree-scalar-evolution.c: Include real.h.
8813         (add_to_evolution): Build constant -1 of correct type.
8814
8815 2005-08-03  Jan Hubicka  <jh@suse.cz>
8816
8817         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8818         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8819         profile updating for complette unrolling.
8820         * loop-unroll.c (peel_loop_completely): Use it.
8821         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8822         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8823         loops.
8824
8825 2005-08-03  Paul Brook  <paul@codesourcery.com>
8826
8827         * combine.c (can_change_dest_mode): New function.
8828         (try_combine, simplify_set): Use it.
8829
8830 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8831
8832         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8833         TFmode to BLKmode.
8834
8835 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8836
8837         * doc/install.texi (Specific): Adjust link to openavr.org.
8838         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8839         (Binaries): Adjust HP-UX Porting Center link.
8840         (Binaries): Adjust Free Software Foundation ordering link.
8841
8842 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8843
8844         * convert.c (convert_to_integer): Use fold_build1 instead of
8845         build1 when converting an integer to an integer.
8846
8847 2005-08-02  Richard Henderson  <rth@redhat.com>
8848
8849         * combine.c (combine_instructions): Don't use reg_equal/equiv
8850         results if the mode doesn't match.
8851
8852 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8853
8854         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8855         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8856
8857 2005-08-02  Richard Henderson  <rth@redhat.com>
8858
8859         PR 23196
8860         * explow.c (memory_address): Remove special-case for
8861         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8862
8863 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8864
8865         PR 23164
8866         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8867         number of calls to cleanup_tree_cfg_1.
8868
8869 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8870
8871         * doc/invoke.texi: document file extensions .F90 and .F95
8872
8873 2005-08-02  Richard Guenther  <rguenther@suse.de>
8874
8875         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8876         positive if its first argument is positive.
8877
8878 2005-08-02  Richard Guenther  <rguenther@suse.de>
8879
8880         PR tree-optimization/23177
8881         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8882         on TMR_TAG.
8883
8884 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8885
8886         PR tree-optimization/23129
8887         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8888         varying for divisions with anti-ranges.
8889
8890 2005-08-02  Jan Hubicka  <jh@suse.cz>
8891
8892         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8893         * tree-ssa-threadupdate.c (thread_block): Add it here.
8894
8895 2005-08-01  James E Wilson  <wilson@specifix.com>
8896
8897         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8898         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8899         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8900         New.
8901         * config/mips/predicates.md (const_call_insn_operand): Add check for
8902         SYMBOL_REF_LONG_CALL_P.
8903         * doc/extend.texi (long_call): Document the new attribute.
8904
8905 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8906             Richard Henderson  <rth@redhat.com>
8907
8908         * Makefile.in (RTL_BASE_H): Add real.h.
8909         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8910         instead of memcpy.
8911         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8912         directly.
8913         * rtl.c (rtl_check_failed_code_mode): New.
8914         * rtl.h (struct rtx_def): Add u.rv.
8915         (XCMWINT, XCNMPRV): New.
8916         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8917         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8918
8919 2005-08-01  Richard Henderson  <rth@redhat.com>
8920
8921         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8922         with auto-inc codes.
8923
8924         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8925
8926 2005-08-01  Jan Hubicka  <jh@suse.cz>
8927
8928         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8929         * i386.c: Include dwarf2.h
8930         (asm_preferred_eh_data_format): New.
8931         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8932
8933 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8934
8935         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8936         randomize_va_space for virtual address randomization control.
8937
8938 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8939
8940         * common.opt (flag_ipa_cp): Put in right place to maintain
8941         alphabetic sort.
8942
8943 2005-08-01  Jan Hubicka  <jh@suse.cz>
8944
8945         * profile.c (compute_value_histograms): Fix thinko.
8946         * value-prof.c: Include toplev.h
8947         (check_counter): New function.
8948         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8949         tree_mod_subtract_transform): Add sanity check.
8950
8951 2005-08-01  Richard Guenther  <rguenther@suse.de>
8952
8953         PR tree-optimization/23133
8954         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8955         current functions parameter decls to find defs to cse
8956         reciprocals of.
8957
8958 2005-08-01  Richard Guenther  <rguenther@suse.de>
8959
8960         PR tree-optimization/23109
8961         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8962         If trapping math is in effect, use post-dominator information
8963         to check if we'd in any case reach a trapping point before
8964         doing the reciprocal insertion.
8965         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8966         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8967         expressions are invariant only if trapping math is not in effect.
8968
8969 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8970
8971         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8972         cgraph_function_versioning): New declarations.
8973         * cgraphunit.c: Add include to ipa-prop.h.
8974         (update_call_expr, cgraph_copy_node_for_versioning,
8975         cgraph_function_versioning): New functions.
8976         * integrate.c (copy_decl_for_inlining): Remove.
8977         * ipa-prop.h (ipa_replace_map): New struct.
8978         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8979         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8980         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8981         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8982         ipcp_iterate_stage, ipcp_method_scale_print,
8983         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8984         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8985         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8986         ipcp_update_bb_counts, ipcp_update_profiling,
8987         ipcp_update_edges_counts): New functions.
8988         (ipcp_method_cval_init): Remove restriction regarding local methods.
8989         (ipcp_init_stage): Add ipcp_method_compute_scale.
8990         (ipcp_insert_stage): Add versioning.
8991         (ipcp_structures_print): Add ipcp_method_scale_print.
8992         (ipcp_driver): Dump profiling info.
8993         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8994         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8995         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8996         (struct inline_data): Add versioning_p, ipa_info, new fields.
8997         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8998         declare_return_variable): Replace calls to copy_decl_for_inlining with
8999         copy_decl_for_dup.
9000         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9001         versioning support.
9002         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9003         Add argument VERSIONING.
9004         (copy_arguments_for_versioning, copy_static_chain,
9005         function_versionable_p, tree_versionable_function_p,
9006         tree_function_versioning, replace_ref_tree): New functions.
9007         * tree-inline.h: Include varray.h.
9008         (tree_versionable_function_p,  tree_function_versioning,
9009         tree copy_decl_for_dup): New declarations.
9010
9011 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9012
9013         * ipa-cp.c: New file. Contains IPCP specific functionality.
9014         * ipa-prop.h: New file. Contains structures/definitions that can be
9015         used by several interprocedural data flow optimizations (and also IPCP).
9016         * ipa-prop.c: New file.
9017         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9018         * common.opt: Add ipa-cp flag.
9019         * timevar.def: Add IPCP optimization.
9020         * tree-optimize.c (init_tree_optimization_passes): Schedule
9021         pass_ipa_cp.
9022         * tree-pass.h (pass_ipa_cp): Declare.
9023
9024 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
9025
9026         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9027         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9028         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9029         config/i386/i386.c, config/mips/mips.h,
9030         config/rs6000/rs6000.h, config/sh/sh.c,
9031         config/stormy16/stormy16.c: Fix comment typos.
9032
9033 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
9034
9035         PR c/22311
9036         * c-typeck.c (build_binary_op): Use common_type wrapper on
9037         shortened types.
9038         (common_type): Update comment.
9039
9040 2005-07-31  Steven Bosscher  <stevenb@suse.de>
9041
9042         PR target/23095
9043         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9044         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9045         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9046
9047 2005-07-31  Jan Hubicka  <jh@suse.cz>
9048
9049         * pretty-print.h (pp_widest_integer): New macro.
9050         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9051         counts.
9052
9053 2005-07-31  Jan Hubicka  <jh@suse.cz>
9054
9055         * output.h (enum section_category): Export from varasm.c
9056         (categorize_decl_for_section): Likewise.
9057         * varasm.c (enum section_category): Kill.
9058         (categorize_decl_for_section): Make global.
9059         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9060         Declare.
9061         * i386.c (ix86_section_threshold): New static variable.
9062         (ix86_in_large_data_p, ix86_encode_section_info,
9063         x86_64_elf_unique_section,
9064         x86_64_elf_select_section): New functions.
9065         (TARGET_ENCODE_SECTION_INFO): Define
9066         (override_options): Enable medium model for PIC.
9067         (ix86_expand_prologue): Expand gen_set_got_rex64.
9068         (legitimate_constant_p): Handle new UNSPECs.
9069         (legitimate_pic_address_disp_p): Likewise.
9070         (legitimize_pic_address): Lower MEDIUM model addressing.
9071         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9072         (enum cmodel): Add MEDIUM_PIC.
9073         (SYMBOL_REF_FAR_ADDR_P): New macro.
9074         (SYMBOL_FLAG_FAR_ADDR): New flag.
9075         * i386.md (movdi): Support medium model.
9076         (set_got_rex64): New pattern.
9077         * i386.opt (mlarge-data-threshold): New flag.
9078         * predicates.md (zext_operand/sext_operand): Deal with medium model.
9079         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9080         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9081         TARGET_ASM_UNIQUE_SECTION): New.
9082
9083         * invoke.texi (-mlarge_data_threshold): Document
9084
9085 2005-07-31  Jan Hubicka  <jh@suse.cz>
9086
9087         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9088         (coalesce_vars): Likewise.
9089         * tree-ssa-live.c (coalesce_cost): New.
9090         (build_tree_conflict_graph): Use coalesce_cost.
9091         * tree-ssa-live.h (coalesce_cost): Declare.
9092
9093 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9094
9095         * arm.md (all peepholes for post-increment operations): Delete.
9096         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9097         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9098         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9099         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9100         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9101
9102 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9103
9104         * fold-const.c (tree_expr_nonnegative_p): Always return true for
9105         non-integral types.
9106
9107 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9108
9109         PR target/22582
9110         * doc/invoke.texi: Document -rdynamic.
9111
9112 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9113
9114         PR c/23143
9115         * c-parser.c (c_parser_parms_list_declarator): Call
9116         mark_forward_parm_decls.
9117         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9118         decls with visibility structure.
9119
9120 2005-07-30  Paul Brook  <paul@codesourcery.com>
9121
9122         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9123
9124 2005-07-30  Paul Brook  <paul@codesourcery.com>
9125
9126         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9127         prototype.
9128         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9129         value for mode.
9130         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9131
9132 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9133
9134         PR c/529
9135         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9136         nested function declarators.
9137         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9138         (grokparms): Call warn_if_shadowing for parameters used within the
9139         parameter list.
9140         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9141         not used within the parameter list.
9142         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9143
9144 2005-07-30  Jan Hubicka  <jh@suse.cz>
9145
9146         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9147         * i386.c (ix86_fixup_binary_operands): Likewise.
9148         (ix86_expand_unary_operator): Likewise.
9149         (ix86_expand_fp_absneg_operator): Likewise.
9150         * optabs.c (expand_vec_cond_expr): Validate dest.
9151
9152 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9153
9154         PR c/21720
9155         * real.c (real_from_string): Also set last bit if there is a
9156         nonzero hex digit beyond GCC's internal precision after ".".
9157
9158 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9159
9160         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9161         define_constants.  Change duplicate values to unassigned numbers.
9162         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9163         (*altivec_vspltsf): New.
9164         (altivec_vperm_v4sf): Delete.
9165         (altivec_vperm_<mode>): Use mode macro V.
9166         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9167         (altivec_predicate_v4sf): Delete.
9168         (altivec_predicate_<mode>): Use mode macro V.
9169         (*altivec_lvesfx): New.
9170         (*altivec_stvesfx): New.
9171         (vec_realign_load_v4sf): Delete.
9172         (vec_realign_load_<mode>): Use mode macro V.
9173         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9174         UNSPECV_SET_VRSAVE.
9175
9176 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9177
9178         PR bootstrap/23131
9179         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9180         string.
9181         * configure: Regenerated.
9182
9183 2005-07-29  Paul Brook  <paul@codesourcery.com>
9184
9185         * doc/install.texi: Add link to GFortran binaries wiki page.
9186
9187 2005-07-29  David Ung  <davidu@mips.com>
9188
9189         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9190         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9191         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9192         * config/mips/mips.md (cpu): Add 5kf name.
9193         (includes): Includes 5k.md.
9194         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9195         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9196         -march flag.
9197
9198 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9199
9200         PR 22550
9201         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9202         (cleanup_tree_cfg): ... here.
9203         Call cleanup_tree_cfg_1 until there are no more cleanups to
9204         do.
9205
9206 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9207
9208         * tree-vrp.c (compare_range_with_value): Return true or false
9209         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9210         EQ_EXPR respectively.
9211
9212 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9213
9214         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9215         Fix comment typos.
9216
9217 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9218
9219         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9220         (tree_ssa_dominator_optimize): Increment it.
9221         (dump_dominator_optimization_stats): Print it.
9222
9223 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9224             Steven Bosscher  <stevenb@suse.de>
9225
9226         PR rtl-optimization/23117
9227         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9228         when head == tail.  Tidy comment.
9229
9230 2005-07-28  Richard Henderson  <rth@redhat.com>
9231
9232         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9233         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9234         * jump.c (rtx_renumbered_equal_p): Likewise.
9235         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9236         CONST_INT and CONST_DOUBLE.
9237         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9238         * reload.c (operands_match_p): Special case CONST_INT and
9239         CONST_DOUBLE; check mode earlier.
9240
9241 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9242
9243         PR c/22240
9244         * c-typeck.c (convert_for_assignment): Do not check
9245         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9246
9247 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9248
9249         PR c/22192
9250         * c-typeck.c (composite_type): Prefer constant size arrays to
9251         VLAs.
9252
9253 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9254
9255         PR c/21720
9256         * real.c (real_from_string): Set last bit if there is a nonzero
9257         hex digit beyond GCC's internal precision.
9258
9259 2005-07-28  Richard Henderson  <rth@redhat.com>
9260
9261         PR rtl-opt/22619
9262         * cfgcleanup.c (try_forward_edges): Watch out for end of
9263         insn chain.
9264
9265 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9266
9267         PR c/23106
9268         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9269
9270 2005-07-28  Jan Hubicka  <jh@suse.cz>
9271
9272         * Makefile.in (rtl-profile.o): Kill all traces of it.
9273         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9274         * coverage.h (rtl_coverage_counter_ref): Kill.
9275         * opts.c (flag_speculative_prefetching_set): Kill.
9276         (flag_loop_optimize_set): New.
9277         (common_handle_option): Disable loop optimizer when profiling;
9278         do not handle speculative prefetching.
9279         * passes.c (init_optimization_passes): Replace pass_profiling combo
9280         by branch_prob pass.
9281         * profile.c (compute_value_histograms): Update for simplified value
9282         profiles.
9283         (rtl_register_profile_hooks): Kill.
9284         (pass_profiling): Kill.
9285         (rest_of_handle_branch_prob): Do not profile.
9286         * toplev.c (process_options): Remove speculative prefetching.
9287         * toplev.h (flag_tree_based_profiling): Kill.
9288         * tree-profile.c (prepare_instrumented_value,
9289         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9290         tree_gen_one_value_profiler, do_tree_profiling): Update for
9291         simplified datastructures.
9292         * value-prof.c: Add comment that speculative prefetching was dropped;
9293         update rest of file for simplified datastructures.
9294         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9295         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9296         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9297         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9298         rtl_mod_subtract, gen_speculative_prefetch,
9299         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9300         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9301         (gate_handle_value_profile_transformations,
9302         rest_of_handle_value_profile_transformations,
9303         pass_value_profile_transformations): Kill.
9304         * value-prof.h (histogram_value_t): Remove IL based unions.
9305         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9306         rtl_profile_hooks): Remove hooks.
9307
9308         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9309
9310         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9311         (cgraph_clone_node): Likewise.
9312         * cgraph.h (cgraph_clone_edge): Update prototype.
9313         (cgraph_clone_node): Likewise.
9314         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9315         cgraph_clone_node.
9316         (lookup_recursive_calls): Consider profile.
9317         (cgraph_decide_recursive_inlining): Fix updating; use new
9318         probability argument; use profile.
9319         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9320         * tree-inline.c (copy_bb): Update clal of clone_edge.
9321         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9322
9323         * invoke.texi (min-inline-recursive-probability): Document.
9324
9325 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9326
9327         * doc/install.texi (Configuration): Update Valgrind homepage.
9328
9329 2005-07-28  Richard Henderson  <rth@redhat.com>
9330
9331         PR middle-end/21362
9332         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9333         labels we want to delete.
9334         (cfg_layout_merge_blocks): Likewise.
9335
9336 2005-07-28  Richard Henderson  <rth@redhat.com>
9337
9338         PR target/17692
9339         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9340         when expanding to nothing.
9341
9342 2005-07-28  Josh Conner  <jconner@apple.com>
9343
9344         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9345         (cgraph_decide_inlining_of_small_functions): Likewise.
9346
9347 2005-07-28  Josh Conner  <jconner@apple.com>
9348
9349         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9350         direction of badness if negative.
9351         (cgraph_default_inline_p): Add reason to parameters, and assign it
9352         a value.
9353         (cgraph_decide_inlining_of_small_functions): New parameter in call
9354         to cgraph_default_inline_p.
9355         (cgraph_decide_inlining_incrementally): Likewise.
9356         * cgraphunit.c (decide_is_function_needed): Likewise.
9357         * cgraph.h (cgraph_default_inline_p): Likewise.
9358
9359 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9360
9361         * builtins.c: Fix comment typo(s).
9362         * genautomata.c: Likewise.
9363         * gimplify.c: Likewise.
9364         * tree-dfa.c: Likewise.
9365         * tree-flow-inline.h: Likewise.
9366         * tree-into-ssa.c: Likewise.
9367         * tree-ssa-alias.c: Likewise.
9368         * tree-ssa-ccp.c: Likewise.
9369         * tree-ssa-copy.c: Likewise.
9370         * tree-ssa-dce.c: Likewise.
9371         * tree-ssa-dom.c: Likewise.
9372         * tree-ssa-operands.c: Likewise.
9373         * tree-tailcall.c: Likewise.
9374         * tree-vectorizer.c: Likewise.
9375         * tree-vrp.c: Likewise.
9376         * tree.c: Likewise.
9377
9378 2005-07-28  Jeff Law  <law@redhat.com>
9379
9380         * tree-vrp.c (test_for_singularity): Extracted from  ...
9381         (simplify_cond_using_ranges): Attempt to simplify a relational
9382         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9383
9384 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9385
9386         PR tree-optimization/22506
9387         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9388         phis whose argument is constant.
9389
9390 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9391
9392         PR rtl-optimization/18992
9393         Back out this patch:
9394           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9395           PR optimization/12142
9396           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9397           uses of the register in the SET_SRC.  Remove unnecessary argument.
9398
9399         Replace it with this:
9400         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9401         if flag_non_call_exceptions is set and the insn may trap, pass
9402         pc_rtx as dest for recursion.
9403         In SET_SRC part of SET case, if dest is already set, pass it down
9404         unchanged.
9405
9406 2005-07-28  Jan Hubicka  <jh@suse.cz>
9407
9408         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9409         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9410         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9411         roundoff errors.
9412         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9413         profile when available.
9414
9415 2005-07-28  Jan Beulich <jbeulich@novell.com>
9416
9417         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9418         (ia64_print_operand): Describe and handle 'X'.
9419         (ia64_register_move_cost): Also handle FP_REGS.
9420         (ia64_preferred_reload_class): Likewise.
9421         (ia64_secondary_reload_class): Likewise.
9422         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9423         it. Also check for ITANIUM_CLASS_FLDP.
9424         * config/ia64/ia64.h (FP_REGNO_P): New.
9425         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9426         (reg_class): Add FP_REGS.
9427         (REG_CLASS_NAMES): Adjust for it.
9428         (REG_CLASS_CONTENTS): Likewise.
9429         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9430         (REG_CLASS_FROM_LETTER): Handle 'x'.
9431         (CLASS_MAX_NREGS): Handle FP_REGS.
9432         (MEMORY_MOVE_COST): Likewise.
9433         * config/ia64/ia64.md (itanium_class): Add fldp.
9434         (type): Handle fldp.
9435         (movti_internal): More allowable operand combinations. Use ldfp8 when
9436         splitting unnecessary. Remove predicable attribute. Adjust
9437         itanium_class attribute.
9438         (smuldi3_highpart): Remove outdated comment.
9439         (mulditi3, umulditi3, rotlti3): New expanders.
9440         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9441         (absti2): Disabled new insn for future reference.
9442         Respective new splitters.
9443         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9444         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9445         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9446
9447 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9448
9449         PR rtl-optimization/23047
9450         * simplify-rtx.c (simplify_const_relational_operation): Respect
9451         flag_wrapv for comparisons with ABS.
9452
9453 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9454
9455         PR tree-optimization/22493
9456         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9457         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9458
9459 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9460
9461         * config/frv/frv.opt (moptimize-membar): New.
9462
9463         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9464
9465         * config/frv/frv.h: Remove machine_function definition.
9466
9467         * config/frv/frv.c (struct frv_io): New.
9468         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9469         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9470         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9471         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9472         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9473         (frv_reorg): Call frv_optimize_membar when appropriate.
9474         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9475         (frv_expand_builtin): Adjust calls accordingly.
9476         (frv_io_address_cookie): New function.
9477         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9478         load or store rather than a special insn.  Add ccnstant address and
9479         io-type operands to the membar.
9480         (frv_ifcvt_modify_tests): Unsign regno.
9481         (frv_ifcvt_modify_tests): Same.
9482
9483         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9484         UNSPEC_OPTIONAL_MEMBAR constant.
9485         (builtin_read_<mode>): Delete.
9486         (builtin_write_<mode>): Delete.
9487         ("optional_membar_<mode>"): Add operand.
9488
9489         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9490         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9491         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9492         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9493         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9494         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9495         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9496         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9497         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9498
9499 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9500
9501         * df.c (df_uses_record): Handle SCRATCH.
9502
9503 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9504
9505         PR debug/20161
9506         * passes.c (rest_of_decl_compilation): If decl is a type and
9507         we have encountered errors, don't emit debug information.
9508
9509 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9510
9511         * params.def: Fixed comment.
9512
9513 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9514
9515         PR target/19885
9516         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9517         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9518         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9519
9520 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9521
9522         PR c++/22003
9523         * varasm.c (assemble_start_function): Don't do anything that may
9524         require a CFG if the current function is a thunk.
9525
9526 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9527
9528         * doc/install.texi (Prerequisites): Mention that perl is needed
9529         to do export control in libstdc++ targetting Darwin.
9530
9531 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9532
9533         PR rtl-optimization/17808
9534         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9535         (sched_insns_conditions_mutex_p): Split out from...
9536         (add_dependence): ...here.  But don't call it from here.
9537         (add_dependence_list): Check sched_insns_conditions_mutex_p
9538         before calling add_dependence.
9539         (add_dependence_list_and_free): Likewise.
9540         (fixup_sched_groups): Likewise.
9541         (sched_analyze_1): Likewise.
9542         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9543         (sched_analyze): Likewise.
9544         (sched_analyze_insn): Likewise.
9545         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9546         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9547         dependencies on all COND_EXEC insns to jumps ending basic blocks
9548         when doing intrablock scheduling.
9549         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9550
9551 2005-07-27  Jeff Law  <law@redhat.com>
9552
9553         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9554         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9555         equivalency sets, correctly handle the case were vr0 has an
9556         equivalency set, but vr1 does not.
9557
9558 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9559
9560         PR tree-optimization/23073
9561         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9562         vect_print_dump_info before fprintf.
9563
9564 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9565
9566         PR tree-optimize/22348
9567         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9568         Fold the partial computation.
9569
9570 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9571
9572         PR tree-optimization/22325
9573         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9574         Declare.
9575         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9576         value replacement.
9577         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9578         (force_var_cost): ... this function.
9579         (compute_phi_arg_on_exit): Export.
9580
9581 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9582
9583         PR tree-optimization/20773
9584         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9585         edge.
9586
9587 2005-07-27  Richard Guenther  <rguenther@suse.de>
9588
9589         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9590         Avoid pushing again if current struct contains only
9591         fields we decomposed.
9592
9593 2005-07-27  Jan Hubicka  <jh@suse.cz>
9594
9595         PR tree-optimization/22574
9596         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9597         not available.
9598
9599         * tree-tailcall.c (decrease_profile): New function.
9600         (eliminate_tail_call): Use it.
9601
9602         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9603         visibility flags correctly in whole program mode.
9604
9605 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9606
9607         PR rtl-optimization/22472
9608         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9609
9610 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9611
9612         PR tree-optimization/22504
9613         * tree-complex.c (expand_complex_addition): Use 'code' instead
9614         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9615
9616 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9617
9618         * config.gcc (cpu_type): Add frv case.
9619         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9620         (supported_defaults): Add fr550 case.
9621
9622 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9623
9624         PR 22591
9625         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9626         whether a pointer of type T * may point to objects of type T *.
9627
9628 2005-07-26  DJ Delorie  <dj@redhat.com>
9629
9630         * configure: Regenerate.
9631
9632 2005-07-26  Dale Johannesen  <dalej@apple.com>
9633
9634         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9635
9636 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9637
9638         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9639         Clarify use of "build" in name.
9640
9641 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9642
9643         * doc/extend.texi (Raw read/write Functions): New section.
9644         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9645         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9646         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9647         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9648         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9649         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9650         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9651         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9652         * config/frv/frv.c: Add bdesc_loads global.
9653         Add bdesc_stores global.
9654         (frv_init_builtins): Add support for __builtin_{read/write}*.
9655         (frv_volatile_memref): New.
9656         (frv_expand_load_builtin): New.
9657         (frv_expand_store_builtin): New.
9658         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9659         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9660         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9661         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9662         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9663         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9664         (builtin_read_<mode>): New.
9665         (builtin_write_<mode>): New.
9666         (builtin_write64): New.
9667         (optional_membar_<mode>): New.
9668
9669 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9670
9671         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9672         (rather than units) against HOST_BITS_PER_WIDE_INT.
9673
9674 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9675
9676         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9677         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9678         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9679         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9680         FSF address.
9681
9682         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9683         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9684         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9685         comment typos.
9686         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9687
9688 2005-07-26  Richard Guenther  <rguenther@suse.de>
9689
9690         PR tree-optimization/22486
9691         * fold-const.c (fold_unary): Fold away useless component
9692         references of the form (T *)&T.x, if the address
9693         doesn't change.
9694
9695 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9696
9697         * dwarf2out.c (add_call_src_coords_attributes): New.
9698         (gen_inlined_subroutine_die): Call it.
9699         (maybe_emit_file, init_file_table): Add comments.
9700         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9701         maybe_emit_file.
9702         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9703         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9704         * tree.h (BLOCK_SOURCE_LOCATION): New.
9705         (struct tree_block): New field locus.
9706
9707 2005-07-26  Andreas Schwab  <schwab@suse.de>
9708
9709         PR rtl-optimization/23043
9710         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9711         when allocating a struct unoccr.
9712
9713 2005-07-25  Richard Henderson  <rth@redhat.com>
9714
9715         PR 22626
9716         * tree-complex.c (gate_no_optimization): True if errors.
9717         * Makefile.in (tree-complex.o): Update dependencies.
9718
9719 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9720
9721         * config/frv/predicates.md (integer_register_operand): Use
9722         GPR_AP_OR_PSEUDO_P.
9723
9724 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9725
9726         PR tree-opt/22484
9727         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9728         after fold.
9729         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9730
9731 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9732
9733         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9734         types when flag_unsafe_math_optimizations is true.
9735
9736 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9737
9738         * gcc.c (option_map): Add --sysroot.
9739         (process_command): Handle --sysroot.
9740         (display_help): Document it.
9741         * doc/cppopts.tex (-isysroot): Document.
9742         * doc/invoke.texi (--sysroot): Document.
9743         * doc/install.texi (--with-build-sysroot): Document.
9744
9745         * Makefile.in (inhibit_libc): New variable.
9746         (INHIBIT_LIBC_CFLAGS): Likewise.
9747         (LIBGCC2_CFLAGS): Include
9748         $(INHIBIT_LIBC_CFLAGS).
9749         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9750         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9751         ($(T)crtend.o): Likewise.
9752         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9753         ($(T)crtendS.o): Likewise.
9754         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9755         ($(T)crtendT.o): Likewise.
9756         (stmp-fixinc): Do not complain about missing headers if
9757         inhibit_libc.
9758         * configure.ac (inhibit_libc): Set it to true/false.
9759         (--with-build-sysroot): New option.  Use it to set
9760         SYSTEM_HEADER_DIR.
9761         * configure: Regenerated.
9762
9763 2005-07-25  Manfred Hollstein  <mh@suse.com>
9764
9765         * calls.c (store_one_arg): Fix unsigned comparison warning.
9766
9767 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9768
9769         PR other/22337
9770         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9771         (ggc_print_statistics): Initialize variable before use.
9772
9773 2005-07-25  Richard Guenther  <rguenther@suse.de>
9774
9775         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9776         calling with a PHI_NODE argument.
9777
9778         * tree-flow-inline.h (overlap_subvar): Protect against
9779         possible overflow.
9780
9781 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9782
9783         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9784         * configure: Regenerate.
9785
9786 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9787
9788         * expr.c (highest_pow2_factor): Make extern.
9789         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9790         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9791         record_array_differ_p, array_ptr_differ_p): Likewise.
9792         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9793         additional cases. Call the above functions.
9794         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9795         base_object_differ_p when there are two base objects. Otherwise, compare
9796         base address and offset. Call may_alias_p.
9797         (dump_data_reference): Use a correct field name.
9798         (analyze_array): Make static. Initialize new data-ref fields.
9799         (analyze_indirect_ref): New function.
9800         (init_data_ref): Initialize new data-ref fields.
9801         (strip_conversion): Moved from tree-vect-analyze.c.
9802         (analyze_offset_expr, get_ptr_offset, address_analysis,
9803         object_analysis): Likewise.
9804         (analyze_offset): New function.
9805         (create_data_ref): Likewise.
9806         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9807         dimensions for ARRAY_REFs only.
9808         (build_classic_dist_vector): Make static.
9809         (access_functions_are_affine_or_constant_p): Call macro to get the
9810         address of access functions.
9811         (compute_all_dependences): Add new parameter
9812         compute_self_and_read_read_dependences. Compute self and read-read
9813         dependences if it is true.
9814         (find_data_references_in_loop): Call create_data_ref. Initialize new
9815         data-ref fields.
9816         (compute_data_dependences_for_loop): Add new parameter
9817         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9818         compute nb_loops. Call compute_all_dependences,
9819         build_classic_dist_vector and build_classic_dir_vector with correct
9820         parameters.
9821         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9822         with correct parameters. Compare dimensions for ARRAY_REFs only.
9823         (free_data_refs): Call macro to free access functions.
9824         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9825         fields from stmt_vinfo.
9826         (struct base_object_info): New structure.
9827         (struct data_reference): Move fields to base_object_info. Add fields
9828         first_location and object_info for above structures. Move fields from
9829         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9830         aligned_to.  Add macros to access the new fields.
9831         Update functions declarations.
9832         * tree-flow.h (is_aliased_with): Declare.
9833         * tree-loop-linear.c (linear_transform_loops): Call
9834         compute_data_dependences_for_loop with correct parameters.
9835         * tree-ssa-alias.c (is_aliased_with): New function.
9836         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9837         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9838         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9839         vect_base_addr_differ_p, compute_subscript_distance and
9840         build_classic_dist_vector. Add printings. Check absolute value of
9841         distance.
9842         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9843         data-refs.
9844         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9845         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9846         to bytes. Add printing.
9847         (vect_compute_data_refs_alignment): Go through loads and stores in one
9848         loop.
9849         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9850         vect_analyze_data_ref_access): Likewise.
9851         (vect_analyze_pointer_ref_access): Remove.
9852         (vect_address_analysis, vect_object_analysis): Likewise.
9853         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9854         and analyze data-refs in the loop.
9855         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9856         fields of data-ref instead of stmt. Add init to the offset from the
9857         base.
9858         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9859         (vect_update_init_of_dr): Likewise.
9860         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9861         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9862         removed fields.
9863         (new_loop_vec_info): Initialize new fields.
9864         (destroy_loop_vec_info): Free new fields.
9865         (vect_strip_conversion): Remove.
9866         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9867         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9868         datarefs. Add new field ddrs.
9869         Add macros for the new fields access.
9870         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9871         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9872         Remove their macros.
9873         * tree.h (highest_pow2_factor): Declare.
9874
9875 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9876
9877         * calls.c (store_one_arg): Check for sibling call MEM arguments
9878         from already clobbered incoming argument area.
9879
9880 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9881
9882         * c-common.c (check_missing_format_attribute): New.
9883         * c-common.h (check_missing_format_attribute): Likewise.
9884         * c-typeck.c (convert_for_assignment): Use it.
9885
9886 2005-07-24  Andreas Schwab  <schwab@suse.de>
9887
9888         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9889         register use a word move.  Correct operand of ext.w in 68000 code.
9890
9891 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9892
9893         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9894         variables as declarations, rather than definitions.
9895
9896 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9897
9898         PR tree-optimization/22526
9899         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9900         of the zero node.
9901
9902 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9903
9904         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9905         that C99 reserve for future use. Use it to define clog10,
9906         clog10f and clog10l.
9907
9908 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9909
9910         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9911         * configure.ac: Check for -Wmissing-format-attribute.
9912
9913         * configure: Regenerate.
9914
9915 2005-07-23  Richard Henderson  <rth@redhat.com>
9916
9917         PR tree-optimization/22623
9918         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9919
9920 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9921
9922         PR target/22577
9923         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9924
9925 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9926
9927         * Makefile.in (C_TREE_H): Update dependencies.
9928         * c-tree.h: Include toplev.h.
9929         * diagnostic.h (diagnostic_set_info): Add format attribute.
9930         * rtl-error.c (diagnostic_for_asm): Likewise.
9931
9932 2005-07-23  Chao-ying Fu  <fu@mips.com>
9933
9934         * config/mips/mips-dsp.md: New file.
9935         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9936         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9937         functions.
9938         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9939         MIPS_BUILTIN_BPOSGE32.
9940         (mips_expand_builtin_direct): Add one parameter to indicate that
9941         builtin functions need to return a value.
9942         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9943         functions.
9944         (mips_regno_to_class): Add classes for 12 new DSP registers.
9945         (mips_subword): Change to check four HI registers.
9946         (mips_output_move): Output move to and from 6 new DSP accumulators.
9947         (override_options): Make sure -mdsp and -mips16 are not used together.
9948         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9949         for machine modes.
9950         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9951         when !TARGET_DSP.
9952         (print_operand): Add 'q' for printing DSP accumulators.
9953         (mips_cannot_change_mode_class): Check ACC_REGS.
9954         (mips_secondary_reload_class): Check ACC_REGS.
9955         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9956         (mips_register_move_cost): Check ACC_REGS.
9957         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9958         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9959         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9960         (dsp_bdesc): New array.
9961         (bdesc_arrays): Add DSP builtin function table.
9962         (mips_prepare_builtin_arg): Check predicate again after
9963         copy_to_mode_reg.
9964         (mips_expand_builtin): Add one more parameter to
9965         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9966         MIPS_BUILTIN_BPOSGE32.
9967         (mips_init_builtins): Initialize new function types.
9968         (mips_expand_builtin_direct): Check if builtin functions need to
9969         return a value and pass operands properly.
9970         (mips_expand_builtin_bposge): New function.
9971         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9972         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9973         (FIRST_PSEUDO_REGISTER): Increase to 188.
9974         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9975         Update for 12 new DSP registers.
9976         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9977         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9978         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9979         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9980         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9981         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9982         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9983         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9984         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9985         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9986         (REGISTER_NAMES): Add names for 12 new DSP registers.
9987         * config/mips/mips.md: Include mips-dsp.md.
9988         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9989         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9990         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9991         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9992         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9993         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9994         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9995         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9996         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9997         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9998         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9999         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10000         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10001         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10002         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10003         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10004         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10005         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10006         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10007         (UNSPEC_RDDSP): New constants.
10008         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10009         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
10010         A<-d alternative.
10011         * config/mips/mips.opt (-mdsp): New option.
10012         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10013         (reg_imm10_operand): New predicates.
10014         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10015         * doc/invoke.texi (-mdsp): Document new option.
10016
10017 2005-07-22  DJ Delorie  <dj@redhat.com>
10018
10019         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10020         to warning calls.
10021         * tree-inline.c (inlinable_function_p): Likewise.
10022
10023 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
10024
10025         PR debug/21828
10026         * toplev.c (check_global_declarations): Do not mark undefined
10027         variables as DECL_IGNORED_P.
10028         * varasm.c (first_global_object_name): GTY it.
10029         (weak_global_object_name): Likewise.
10030         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10031         a string to go into {weak,first}_global_object_name.
10032
10033 2005-07-22  DJ Delorie  <dj@redhat.com>
10034
10035         * c-format.c (check_function_format): Change warning control
10036         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10037
10038 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
10039
10040         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10041         &PTR->FLD a dereference of PTR.
10042         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10043         a potential dereference of PTR.
10044
10045 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
10046
10047         PR rtl-optimization/20370
10048         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10049         call allocate_reg_info if necessary.
10050
10051         PR rtl-optimization/21848
10052         * calls.c (emit_library_call_value_1): For const functions, add
10053         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10054
10055         PR rtl-optimization/22445
10056         * cselib.c (target.h): Include.
10057         (rtx_equal_for_cselib_p): Allow commutative matches.
10058         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10059         Remove MODE parameter.  Changed all callers.
10060
10061         PR rtl-optimization/22258
10062         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10063         New functions.
10064         (try_combine): Use likely_spilled_retval_p.
10065
10066 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
10067
10068         * config.gcc: Add crx-elf support.
10069
10070         * doc/contrib.texi: Mention crx.
10071         * doc/extend.texi: Document crx extensions.
10072         * doc/install.texi: Document crx install.
10073         * doc/invoke.texi: Document crx options.
10074         * doc/md.texi: Document crx constraints.
10075
10076         * config/crx/crx-protos.h: New file.
10077         * config/crx/crx.c: New file.
10078         * config/crx/crx.h: New file.
10079         * config/crx/crx.md: New file.
10080         * config/crx/crx.opt: New file.
10081         * config/crx/t-crx: New file.
10082
10083 2005-07-22  Manfred Hollstein  <mh@suse.com>
10084
10085         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10086         warnings.
10087         (int_add_graph_edge): Likewise.
10088         (collapse_nodes): Likewise.
10089         (process_unification_queue): Likewise.
10090
10091 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10092             Laurent GUERBY  <laurent@guerby.net>
10093
10094         PR tree-optimization/22336
10095         * function.c (record_block_change): Check for
10096         cfun->ib_boundaries_block.
10097
10098 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10099
10100         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10101         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10102
10103 2005-07-21  DJ Delorie  <dj@redhat.com>
10104
10105         * toplev.c (warn_deprecated_use): Add warning control to warning
10106         call.
10107         * c-typeck.c (parser_build_binary_op): Likewise.
10108         (c_finish_if_stmt): Likewise.
10109         * c-common.c (check_function_sentinel): Likewise.
10110         (check_nonnull_arg): Likewise.
10111
10112 2005-07-21  Richard Henderson  <rth@redhat.com>
10113
10114         PR tree-opt/22504
10115         * tree-complex.c (complex_ssa_name_components): New.
10116         (cvc_lookup): Allow entry not found.
10117         (create_components): Remove.
10118         (create_one_component_var, get_component_var): New.
10119         (get_component_ssa_name, set_component_ssa_name): New.
10120         (extract_component): Use get_component_ssa_name.
10121         (update_complex_components): Use set_component_ssa_name.
10122         (update_complex_components_on_edge): Likewise.
10123         (update_phi_components): Create new PHI nodes directly, instead
10124         of adding insns to edges.
10125         (tree_lower_complex): Allocate and free complex_variable_components
10126         and complex_ssa_name_components here.
10127
10128 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10129
10130         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10131         revert to returning false.
10132
10133 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10134
10135         PR target/21149
10136         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10137
10138 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10139
10140         PR target/22576
10141         * config/i386/i386.md (cmpxf): Change operand constraints
10142         to "nonmemory_operand".
10143
10144 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10145
10146         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10147
10148 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10149
10150         PR middle-end/21180
10151         * fold-const.c (fold_build1): Add checksum for the operands.
10152         (fold_build2): Likewise.
10153         (fold_build3): Likewise.
10154
10155 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10156
10157         PR middle-end/19055
10158         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10159
10160 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10161
10162         * common.opt (-fforward-propagate): Committed by mistake,
10163         removed.
10164
10165 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10166
10167         * reg-stack.c: Fix comment typo(s).
10168         * tree-ssa-operands.c: Likewise.
10169         * tree-vectorizer: Likewise.
10170
10171 2005-07-21  Nick Clifton  <nickc@redhat.com>
10172
10173         * config/sh/symbian.c: Replace C++ style line comments with C
10174         style line comments.
10175         (symbian_add_attribute): Do not use a ? operator on the LHS of
10176         an assignment.
10177         (sh_symbian_handle_dll_attribute): Change the type of the
10178         method vector to "VEC(tree,gc)*" and use vector accessor
10179         macros to walk over the elements.
10180         (symbian_export_vtable_and_rtti_p): Likewise.
10181         (symbian_class_needs_attribute_p): Likewise.
10182
10183 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10184
10185         PR target/22085
10186         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10187         initialize targetm.resolve_overloaded_builtin here.
10188         (altivec_expand_overloaded_builtin): Make it non-static.
10189         * config/rs6000/rs6000-protos.h
10190         (altivec_expand_overloaded_builtin): New prototype.
10191         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10192         targetm.resolve_overloaded_builtin here.
10193         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10194
10195 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10196             Zdenek Dvorak  <dvorakz@suse.cz>
10197
10198         PR tree-optimization/19210
10199         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10200         New.
10201         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10202         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10203         rely on unproven assumptions.
10204         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10205         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10206         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10207         to number_of_iterations_exit.
10208         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10209         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10210         * tree-ssa-loop-niter.c (find_loop_niter,
10211         estimate_numbers_of_iterations_loop): Likewise.
10212         (number_of_iterations_exit): Honor the new options.
10213         * doc/invoke.texi (Wunsafe-loop-optimizations,
10214         funsafe-loop-optimizations): Document them.
10215
10216 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10217
10218         PR rtl-optimization/22167
10219         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10220
10221 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10222
10223         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10224         __do_global_dtors_aux longcall.
10225
10226 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10227
10228         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10229         (old_special_pred_table): Don't reference
10230         SPECIAL_MODE_PREDICATES.
10231         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10232         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10233         * config/sh/predicates.h: Don't mention
10234         SPECIAL_MODE_PREDICATES.
10235         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10236         Remove.
10237
10238 2005-07-20  DJ Delorie  <dj@redhat.com>
10239
10240         * config.gcc: Add m32c-elf support.
10241
10242         * doc/contrib.texi: Mention m32c.
10243         * doc/extend.texi: Document m32c extensions.
10244         * doc/install.texi: Mention m32c.
10245         * doc/invoke.texi: Document m32c options.
10246         * doc/md.texi: Document m32c constraints.
10247
10248         * config/m32c/addsub.md: New file.
10249         * config/m32c/bitops.md: New file.
10250         * config/m32c/cond.md: New file.
10251         * config/m32c/jump.md: New file.
10252         * config/m32c/m32c-lib1.S: New file.
10253         * config/m32c/m32c-lib2.c: New file.
10254         * config/m32c/m32c-modes.def: New file.
10255         * config/m32c/m32c-pragma.c: New file.
10256         * config/m32c/m32c-protos.h: New file.
10257         * config/m32c/m32c.abi: New file.
10258         * config/m32c/m32c.c: New file.
10259         * config/m32c/m32c.h: New file.
10260         * config/m32c/m32c.md: New file.
10261         * config/m32c/m32c.opt: New file.
10262         * config/m32c/minmax.md: New file.
10263         * config/m32c/mov.md: New file.
10264         * config/m32c/muldiv.md: New file.
10265         * config/m32c/predicates.md: New file.
10266         * config/m32c/prologue.md: New file.
10267         * config/m32c/shift.md: New file.
10268         * config/m32c/t-m32c: New file.
10269
10270 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10271
10272         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10273         (stack_protect_set, stack_protect_test): New expanders.
10274         (stack_protect_set_si, stack_protect_set_si_media,
10275         stack_protect_set_di_media, stack_protect_test_si,
10276         stack_protect_test_si_media, stack_protect_test_di_media):
10277         New insns.
10278
10279 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10280
10281         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10282
10283 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10284
10285         * tree.h (tree_expr_nonzero_p): Export.
10286         * fold-const.c (tree_expr_nonzero_p): Likewise.
10287         Return true for CALL_EXPRs that are alloca calls.
10288         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10289         against zero.
10290         * tree-flow.h (expr_computes_nonzero): Remove.
10291         * tree-vrp.c (expr_computes_nonzero): Remove.
10292         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10293         (extract_range_from_unary_expr): Likewise.
10294         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10295         tree_expr_nonzero_p.
10296
10297 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10298
10299         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10300         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10301         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10302         All callers changed.
10303         (frame_related_constant_load): New arg "related" which controls
10304         setting of RTX_FRAME_RELATED_P.  All callers changed.
10305         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10306         (bfin_expand_prologue): Add stack limit checking.
10307         * config/bfin/bfin.md (trapifcc): New pattern.
10308
10309         * config/bfin/bfin.c: Include "langhooks.h".
10310         (def_builtin): Go through lang_hooks to call builtin_function.
10311
10312         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10313         * config/bfin/predicates.md (symbol_ref_operand): New.
10314         (call_insn_operand): Delete.  All callers changed to use
10315         register_no_elim_operand.
10316         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10317         call_cookie field.
10318         (function_arg): Use it to generate the call's operand 2.
10319         (bfin_longcall_p): New function.
10320         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10321         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10322         determine if the address needs to be in a REG.
10323         (bfin_handle_longcall_attribute): New function.
10324         (bfin_attribute_table): Add "longcall" and "shortcall".
10325         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10326         (CUMULATIVE_ARGS): New member call_cookie.
10327         (PREDICATE_CODES): Add symbol_ref_operand.
10328         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10329         extra USE to the pattern.
10330         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10331         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10332         sibcall_value_insn; now the new patterns handle direct calls and the
10333         old ones indirect calls.
10334         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10335
10336 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10337
10338         * doc/trouble.texi: Update section on handling of empty loops.
10339
10340 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10341
10342         * config.gcc: Remove support for sparc-*-openbsd*,
10343         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10344         ns32k-*-netbsd*.
10345         * config.host: Remove support for i860-*-sysv4* as a host.
10346         * config/i860/*, config/ip2k/*, config/ns32k/*,
10347         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10348         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10349         mention obsolete ports.
10350
10351 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10352
10353         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10354         soft frame pointer.
10355         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10356         of frame_pointer_rtx.
10357         (sh_expand_epilogue): Likewise.
10358         (sh_set_return_address): Likewise.
10359         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10360         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10361         offsets from FRAME_POINTER_REGNUM.
10362         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10363         (sh_register_names): Add initializer for sfp.
10364         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10365         (VALID_REGISTER_P): Likewise.
10366         (FIRST_PSEUDO_REGISTER): Update.
10367         (DWARF_FRAME_REGISTERS): Define.
10368         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10369         (HARD_FRAME_POINTER_REGNUM): Define.
10370         (FRAME_POINTER_REGNUM): Redefine.
10371         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10372         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10373         from FRAME_POINTER_REGNUM.
10374         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10375         FRAME_POINTER_REGNUM.
10376         (REG_CLASS_CONTENTS): Add sfp.
10377         (REG_ALLOC_ORDER): Likewise.
10378         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10379         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10380         of frame_pointer_rtx.
10381         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10382
10383 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10384
10385         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10386         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10387         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10388         of an ABS_EXPR.
10389         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10390         ABS_EXPR<x>.
10391
10392 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10393
10394         Make CONSTRUCTOR use VEC to store initializers.
10395         * c-common.c (complete_array_type): Update to cope with VEC in
10396         CONSTRUCTOR_ELTS.
10397         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10398         (pp_c_constructor_elts): New function.
10399         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10400         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10401         struct constructor_stack, struct initializer_stack,
10402         constructor_elements, push_init_level, pop_init_level,
10403         add_pending_init, find_init_member, output_init_element): Update to
10404         cope with VEC in CONSTRUCTOR_ELTS.
10405         * coverage.c (build_fn_info_value, build_ctr_info_value,
10406         build_gcov_info): Likewise.
10407         * expr.c (categorize_ctor_elements_1, store_constructor,
10408         expand_expr_real_1): Likewise.
10409         * fold-const.c (fold_ternary): Likewise.
10410         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10411         gimplify_init_constructor, gimplify_expr): Likewise.
10412         * tree-dump.c (dequeue_and_dump): Likewise.
10413         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10414         node.
10415         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10416         CONSTRUCTOR_ELTS.
10417         * tree-sra.c (generate_element_init_1): Likewise.
10418         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10419         * tree-ssa-operands.c (get_expr_operands): Likewise.
10420         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10421         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10422         (get_initial_def_for_reduction): Likewise.
10423         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10424         value handle in annotations.
10425         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10426         tree_node_structure): Add support for constr_kind.
10427         (build_vector_from_ctor, build_constructor_single,
10428         build_constructor_from_list): New functions.
10429         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10430         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10431         Update to cope with VEC in CONSTRUCTOR_ELTS.
10432         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10433         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10434         CONSTRUCTOR_APPEND_ELT): New macros.
10435         (struct constructor_elt, struct tree_constructor): New data types.
10436         (union tree_node): Add tree_constructor field.
10437         * treestruct.def: Define TS_CONSTRUCTOR.
10438         * varasm.c (const_hash_1, compare_constant, copy_constant,
10439         compute_reloc_for_constant, output_addressed_constants,
10440         initializer_constant_valid_p, output_constant,
10441         array_size_for_constructor, output_constructor): Update to cope with
10442         VEC in CONSTRUCTOR_ELTS.
10443         * vec.h (VEC_empty, VEC_copy): New macros.
10444
10445 2005-07-19  Devang Patel  <dpatel@apple.com>
10446
10447         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10448
10449 2005-07-19  Richard Henderson  <rth@redhat.com>
10450
10451         PR tree-opt/22278
10452         * gimplify.c (gimplify_expr): Use main variant type for the temp
10453         destination for a discarded volatile read.
10454         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10455         casts between non-void types that change volatility.
10456
10457 2005-07-15  DJ Delorie  <dj@redhat.com>
10458
10459         * toplev.h: Add comment about the first parameter for warning().
10460         * errors.h: Likewise.
10461
10462         * c.opt (Wpragmas): New.
10463         * doc/invoke.texi: Document it.
10464
10465         * function.c (do_warn_unused_parameter): Add warning control to
10466         warning call.
10467         * c-decl.c (warn_if_shadowing): Likewise.
10468         * c-lex.c (cb_def_pragma): Likewise.
10469         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10470         (pop_alignment): Likewise.
10471         (handle_pragma_pack): Likewise.
10472         (apply_pragma_weak): Likewise.
10473         (handle_pragma_weak): Likewise.
10474         (handle_pragma_redefine_extname): Likewise.
10475         (add_to_renaming_pragma_list): Likewise.
10476         (handle_pragma_extern_prefix): Likewise.
10477         (maybe_apply_renaming_pragma): Likewise.
10478         (handle_pragma_visibility): Likewise.
10479
10480         * config/c4x/c4x-c.c (BAD): Likewise.
10481         (c4x_parse_pragma): Likewise.
10482         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10483         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10484         (rs6000_pragma_longcall): Likewise.
10485         * config/v850/v850-c.c (pop_data_area): Likewise.
10486         (ghs_pragma_section): Likewise.
10487         (ghs_pragma_section): Likewise.
10488         (ghs_pragma_interrupt): Likewise.
10489         (ghs_pragma_starttda): Likewise.
10490         (ghs_pragma_startsda): Likewise.
10491         (ghs_pragma_startzda): Likewise.
10492         (ghs_pragma_endtda): Likewise.
10493         (ghs_pragma_endsda): Likewise.
10494         (ghs_pragma_endzda): Likewise.
10495
10496 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10497             Kenneth Zadeck <zadeck@naturalbridge.com>
10498
10499         * Makefile.in: Removed tree-promote-statics.c
10500         * tree-promote-statics.c: Removed.
10501         * common.opt: Removed flag-promote-statics.
10502         * opts.c: Ditto.
10503         * passes.c: Removed tree-promote-statics pass.
10504         * tree-pass.h: Ditto.
10505         * timevar.def: Removed TV_PROMOTE_STATICS.
10506
10507
10508 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10509
10510         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10511         and *-*-freebsd9.
10512         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10513
10514 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10515
10516         PR c/22476
10517         * c-common.c (check_function_arguments): Call
10518         'check_function_format' if either -Wformat or
10519         -Wmissing-format-attribute are specified.
10520         * c-format.c (check_function_format): Check -Wformat before
10521         calling 'check_format_info'.
10522         * c-opts.c (c_common_post_options): Don't warn for
10523         -Wmissing-format-attribute without -Wformat.
10524         * c-typeck.c (convert_for_assignment): Detect additional cases for
10525         -Wmissing-format-attribute.
10526         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10527         behavior.
10528
10529 2005-07-19  Richard Guenther  <rguenther@suse.de>
10530
10531         * config/i386/i386.md (lrint<mode>2): Use temporary
10532         instead of clobbering non-existent memory.
10533
10534 2005-07-19  Nick Clifton  <nickc@redhat.com>
10535
10536         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10537         statement to avoid displaying ASCII control characters.
10538
10539 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10540
10541         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10542         * cfganal.c (find_edge_index): Ditto.
10543         * combine.c (combine_instructions): Ditto.
10544         * ddg.c (create_scc): Ditto.
10545         (find_successors): Ditto.
10546         (find_predecessors): Ditto.
10547         (find_nodes_on_paths): Ditto.
10548         (longest_simple_path): Ditto.
10549         * flow.c (update_life_info): Ditto.
10550         (count_or_remove_death_notes): Ditto.
10551         (clear_log_links): Ditto.
10552         * modulo-sched.c (generate_reg_moves): Ditto.
10553         (find_max_asap): Ditto.
10554         (find_max_hv_min_mob): Ditto.
10555         (find_max_dv_min_mob): Ditto.
10556         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10557         * sched-rgn.c (extract_edgelst): Ditto.
10558         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10559         (dump_update_ssa): Ditto.
10560         (ssa_names_to_replace) Ditto.
10561         (switch_virtuals_to_full_rewrite): Ditto.
10562         (update_ssa): Ditto.
10563         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10564
10565 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10566
10567         Fix PR tree-optimization/22483
10568
10569         * tree-complex.c (create_components): Use
10570         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10571         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10572         * tree-flow.h (safe_referenced_var_iterator): New structure.
10573         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10574         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10575         safe_referenced_var iterator.
10576         (add_type_alias): Ditto.
10577
10578 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10579
10580         * loop-init.c (rest_of_handle_loop2): Remove.
10581         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10582         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10583         (pass_rtl_loop_init, pass_rtl_loop_done,
10584         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10585         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10586         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10587         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10588         pass_tree_loop_done, and pass_tree_unswitch.
10589         (gate_loop): Rename to gate_tree_loop.
10590         * passes.c (init_optimization_passes): Update for renamed tree
10591         loop passes.  Add the new loop2 passes as subpasses of loop2.
10592         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10593         Update for the renamed tree loop passes.
10594
10595 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10596
10597         PR middle-end/22057
10598         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10599         blocks when optimizing.
10600
10601 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10602
10603         * common.opt (frename-registers): Initialize to 2.
10604         (fweb): Ditto.
10605         (fgcse-after-reload): Ditto.
10606         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10607         (process_options): Only change flag_web, flag_rename_registers,
10608         and flag_rerun_cse_after_loop if not explicitly set by user.
10609
10610 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10611
10612         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10613         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10614         in 64-bit mode the same as DImode in 32-bit mode.
10615         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10616         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10617         mode. Add new mode parameter.
10618         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10619         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10620         x86_64_shift_adj): New expanders.
10621         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10622         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10623         insns.
10624         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10625         DImode shift splitters.
10626         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10627         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10628         mode parameter.
10629
10630 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10631
10632         * i386.md (movdi_extzv_1): New.
10633         (zero_extendhidi2): Combine alternatives and never force use of
10634         REX64 prefix.
10635         (zero_extendqidi2): Likewise. Don't restrict input selection.
10636
10637 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10638
10639         Fix PR tree-optimization/22531
10640         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10641          moment.
10642
10643 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10644
10645         * tree-promote-statics.c (pass_promote_statics): Change dump file
10646          name.
10647
10648 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10649
10650         * tree-optimize.c (init_tree_optimization_passes): Add
10651         pass_eliminate_useless_stores pass.
10652         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10653         * tree-ssa-pre.c (is_copy_stmt): New function.
10654         (follow_copies_till_vuse): Ditto.
10655         (do_eustores): Ditto.
10656         (gate_eustores): Ditto.
10657
10658 2005-07-16  Richard Henderson  <rth@redhat.com>
10659
10660         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10661
10662 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10663            Kenneth Zadeck <zadeck@naturalbridge.com>
10664
10665         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10666         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10667         ipa-type-escape.h, tree-promote-statics.c
10668         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10669         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10670         tree-promote-statics.c: new files.
10671         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10672         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10673         int nonlocal_set_p, mark_constant_function): Deleted.
10674         (rest_of_handle_cfg): Removed call to mark_constant_function.
10675         (nonoverlapping_component_refs_p): Added calls to support
10676         type based aliasing.
10677         * tree-ssa-alias.c (may_alias_p,
10678         compute_flow_insensitive_aliasing): Ditto.
10679         * calls.c (flags_from_decl_or_type): Removed reference to
10680         cgraph_rtl_info.
10681         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10682         too many arguments.  This is necessary for Spec 2000.
10683         * cgraph.h (const_function, pure_function): Removed.
10684         * common.opt: Added "fipa-pure-const", "fipa-reference",
10685         "fipa-type-escape", and "ftree-promote-static".
10686         * opts.c: Ditto.
10687         * passes.c: Added ipa and tree-promote-statics passes.
10688         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10689         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10690         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10691         * tree-flow.h: Added exposed sra calls and addition of
10692         reference_vars_info field for FUNCTION_DECLS.
10693         * tree-pass.h: Added passes.
10694         * tree-sra.c: (sra_init_cache): New function.
10695         (sra_insert_before, sra_insert_after) Made public.
10696         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10697         and made public.
10698         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10699         aliasing. (may_alias_p): Added code to use type escape analysis to
10700         improve alias sets.
10701         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10702         code to prune clobbers of static variables based on information
10703         produced in ipa-reference pass.  Changed call clobbering so that
10704         statics are not marked as clobbered if the call does not clobber
10705         them.
10706
10707 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10708
10709         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10710         too.
10711
10712 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10713
10714         * doc/install.texi (*-*-solaris2*): Document recommended version
10715         of GNU binutils and mention GNU linker problem on Solaris 10.
10716
10717 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10718
10719         PR c/22421
10720         * c-decl.c (c_build_bitfield_integer_type): New function.
10721         (finish_struct): Call it.
10722         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10723
10724 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10725
10726         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10727         before returning.
10728
10729 2005-07-16  Jan Hubicka  <jh@suse.cz>
10730
10731         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10732         (scale_bbs_frequencies_int): Watch roundoff errors.
10733         * predict.c (return_prediction): Initialize return_stmt.
10734
10735 2005-07-16  Jan Hubicka  <jh@suse.cz>
10736
10737         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10738         after RTL profiling.
10739
10740 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10741
10742         PR middle-end/22398
10743         * fold-const.c (build_range_check): Convert high/low to etype
10744         if we are only comparing against exp.
10745
10746 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10747
10748         Fix PR tree-optimization/22376
10749         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10750         special var here.
10751         (need_to_solve): New function.
10752         (compute_points_to_sets): Use it.
10753
10754 2005-07-15  Jan Hubicka  <jh@suse.cz>
10755
10756         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10757         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10758
10759 2005-07-15  Richard Guenther  <rguenther@suse.de>
10760
10761         * c-common.c (handle_flatten_attribute): New function.
10762         Add flatten function attribute.
10763         * doc/extend.texi: Document flatten function attribute.
10764         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10765         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10766         New functions.
10767         (cgraph_decide_inlining): Handle functions with flatten
10768         attribute.
10769
10770 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10771
10772         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10773         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10774         UNSPEC_XCHG, UNSPEC_AND): New.
10775         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10776         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10777         * config/rs6000/sync.md (FETCHOP): New code macro.
10778         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10779         New code attrs.
10780         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10781         (sync_compare_and_swap<mode>): Same.
10782         (sync_lock_test_and_set<mode>): Same.
10783         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10784         for QImode and HImode, and not PPC405.
10785         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10786         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10787         (sync_<fetchop>{si,di}_internal): New.
10788         (sync_nand{si,di}_internal): New.
10789         (sync_old_<fetchop>{si,di}_internal): New.
10790         (sync_old_nand{si,di}_internal): New
10791         (sync_new_<fetchop>{si,di}_internal): New.
10792         (sync_new_nand{si,di}_internal): New.
10793         (atomic_and{si,di}): New.
10794         (sync_new_nand{si,di}_internal): New.
10795         (atomic_and{si,di}): New.
10796         (sync_add<mode>_internal): Delete.
10797         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10798         (sync_sub<mode>_internal): Delte.
10799         (sync_subshort_internal): New.
10800         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10801         (sync_anddi_internal): Delete.
10802         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10803         (sync_booldi_internal): Delete.
10804         (sync_boolc<mode>_internal): Delete.
10805         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10806         (sync_boolc<mode>_internal2): Delete.
10807         (sync_boolcc<mode>_internal): Delete.
10808         (isync, lwsync): Use unspec instead of unspec_volatile.
10809         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10810         Revert UNSPEC_VOLATILE.
10811         (rs6000_split_atomic_op): New.
10812         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10813
10814 2005-07-14  Eric Christopher  <echristo@redhat.com>
10815
10816         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10817         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10818
10819 2005-07-14  Eric Christopher  <echristo@redhat.com>
10820
10821         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10822
10823 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10824
10825         PR tree-optimization/22230
10826         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10827         the computation of the four cross productions for "range op range".
10828
10829 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10830             Ulrich Weigand  <uweigand@de.ibm.com>
10831
10832         PR target/20126
10833         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10834         in some insn.
10835
10836 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10837
10838         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10839
10840 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10841
10842         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10843
10844 2005-07-14  Richard Guenther  <rguenther@suse.de>
10845
10846         PR middle-end/22347
10847         * config/i386/i386-protos.h (ix86_function_value): Change
10848         prototype to match new target hook.
10849         * config/i386/i386.c (ix86_value_regno): Change prototype
10850         to take extra type argument.
10851         (TARGET_FUNCTION_VALUE): Define.
10852         (ix86_function_ok_for_sibcall): Pass extra argument to
10853         ix86_value_regno, check return slot rtx for exact match.
10854         (ix86_function_value): Take extra parameter.  Dispatch to
10855         ix86_value_regno with fndecl/fntype as provided.
10856         (ix86_value_regno): Handle extra type argument.
10857         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10858
10859         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10860         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10861         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10862         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10863         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10864
10865 2005-07-14  Richard Guenther  <rguenther@suse.de>
10866
10867         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10868         * calls.c (expand_call): Pass fntype to hard_function_value.
10869         (emit_library_call_value_1): Likewise.
10870         * explow.c: Include target.h.
10871         (hard_function_value): Take extra argument, the fntype.
10872         Use new target hook for function_value.
10873         * expr.h (hard_function_value): Change prototype.
10874         * function.c (aggregate_value_p): Pass 0 as fntype to
10875         hard_function_value.
10876         (assign_parms): Use new target hook for function_value.
10877         Pass 0 as fntype to hard_function_value.
10878         (expand_function_end): Likewise.
10879         * reg-stack.c: Include target.h.
10880         (stack_result): Use new target hook for function_value.
10881         * target-def.h: New target hook function_value.
10882         * target.h: Likewise.
10883         * targhooks.c (default_function_value): New function.
10884         * targhooks.h (default_function_value): Declare.
10885
10886 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10887
10888         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10889
10890 2005-07-14  Jan Hubicka  <jh@suse.cz>
10891
10892         * tree-dfa.c (dump_variable): Use default_def function.
10893         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10894         * tree-ssa.c (verify_use): Likewise.
10895         * tree-ssanames.c (release_ssa_name): Likewise.
10896         * tree-tailcall.c (eliminate_tail_call): Likewise.
10897         (tree_optimize_tail_calls_1): Likewise.
10898         * tree-vrp.c (get_value_range): Likewise.
10899
10900 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10901
10902         * gcc.c (main): Compare language[0] with '*' when iterating over
10903         the infiles.
10904
10905 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10906
10907         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10908         "s390_emit_compare".  Add handling of CCZ1mode.
10909         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10910         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10911         checking.
10912         (s390_branch_condition_mask): Add CCZ1mode handling.
10913         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10914         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10915         Use CCZ1mode instead of CCZmode.
10916         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10917
10918 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10919
10920         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10921         pattern.
10922         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10923
10924 2005-07-13  Eric Christopher  <echristo@redhat.com>
10925
10926         * config/mips/mips.c (mips_canonicalize_comparison): New.
10927         (mips_emit_int_relational): Use.
10928
10929 2005-07-13  Eric Christopher  <echristo@redhat.com>
10930
10931         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10932         static extra parts.
10933         * config/s390/s390.md: Include tpf.md. Move tpf specific
10934         patterns...
10935         * config/s390/tpf.md: To here.
10936         * config/s390/s390.opt: Move tpf specific options...
10937         * config/s390/tpf.opt: to here. Add mmain option.
10938         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10939         * config/s390/tpf.h: Rewrite.
10940
10941 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10942
10943         * doc/tm.texi: Remove @xref{Cross-profiling}.
10944
10945 2005-07-13  Jeff Law  <law@redhat.com>
10946
10947         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10948         expressions, test their _DECL operands for pointer equality rather
10949         than using operand_equal_p.
10950
10951 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10952
10953         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10954         (TARGET_POSIX_IO): This.
10955         * config/darwin.h: Likewise.
10956         * config/freebsd.h: Likewise.
10957         * config/linux.h: Likewise.
10958         * config/lynx.h: Likewise.
10959         * config/netbsd.h: Likewise.
10960         * config/rs6000/linux64.h: Likewise.
10961         * config/rs6000/linux.h: Likewise.
10962         * config/s390/tpf.h: Likewise.
10963         * config/sh/embed-elf.h: Likewise.
10964         * config/sparc/linux64.h: Likewise.
10965         * config/sparc/linux.h: Likewise.
10966         * config/svr4.h: Likewise.
10967         * gcov-io.h: Likewise.
10968
10969         * doc/tm.texi: Updated.
10970
10971         * libgcov.c (create_file_directory): Defined only if
10972         TARGET_POSIX_IO is defined.
10973         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10974         is defined.
10975
10976 2005-07-13  Jan Hubicka  <jh@suse.cz>
10977
10978         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10979
10980 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10981
10982         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10983         structure as argument.
10984
10985 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10986
10987         PR tree-optimization/21921
10988         * tree-iterator.c (tsi_link_before): Support the case when
10989         tsi_end_p (tsi) == true.
10990
10991 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10992
10993         PR tree-optimization/22442
10994         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10995         correctly.
10996
10997 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10998
10999         PR rtl-optimization/20376
11000         * toplev.c (process_options): Enable -fweb and -frename-registers when
11001         unrolling.
11002         * doc/invoke.texi: Update the information about when -fweb and
11003         -frename-registers are enabled.
11004
11005 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11006
11007         PR tree-opt/21840
11008         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11009         if *rhs_p is not a SSA_NAME.
11010
11011 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
11012
11013         Fix PR tree-optimization/22422
11014         * tree-ssa-structalias.c (struct variable_info): Add flag for
11015         special vars.
11016         (get_varinfo): Now a static function.
11017         (new_varinfo): init has_union and is_special_var to false.
11018         (solution_set_add): Check has_union.
11019         (do_da_constraint): Move temporary variable so it gets reset
11020         properly.
11021         Also check for special variable.
11022         (do_ds_constraint): Ditto.
11023         (do_sd_constraint): Ditto.
11024         (do_structure_copy): Check for special variable.
11025         (find_func_aliases): Ditto.
11026         (init_base_vars): Set special vars properly.
11027
11028 2005-07-13  Jan Hubicka  <jh@suse.cz>
11029
11030         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11031         do unit-at-a-time.
11032
11033         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11034         (get_expr_operands): Fix thinko wrt flags and subvars.
11035
11036         PR tree-optimize/22379
11037         * tree-inline.c (expand_call_inline): Do not output sorry in early
11038         inlining.
11039
11040 2005-07-12  Dale Johannesen  <dalej@apple.com>
11041
11042         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
11043
11044 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11045
11046         PR bootstrap/21704
11047         * host-linux.h: Include limits.h.
11048
11049 2005-07-12  Dale Johannesen  <dalej@apple.com>
11050
11051         * expr.c (compress_float_constant):  Add cost check.
11052         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
11053
11054 2005-07-12  Dale Johannesen  <dalej@apple.com>
11055
11056         * gcc.target/i386/compress-float-sse.c:  New.
11057         * gcc.target/i386/compress-float-sse-pic.c:  New.
11058         * gcc.target/i386/compress-float-387.c:  New.
11059         * gcc.target/i386/compress-float-387-pic.c:  New.
11060         * gcc.dg/compress-float-ppc.c:  New.
11061         * gcc.dg/compress-float-ppc-pic.c:  New.
11062
11063 2005-07-12  Eric Christopher  <echristo@redhat.com>
11064
11065         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11066         static extra parts.
11067         * config/s390/s390.md: Include tpf.md. Move tpf specific
11068         patterns...
11069         * config/s390/tpf.md: To here.
11070         * config/s390/s390.opt: Move tpf specific options...
11071         * config/s390/tpf.opt: to here. Add mmain option.
11072         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11073         * config/s390/tpf.h: Rewrite.
11074
11075 2005-07-12  Eric Christopher  <echristo@redhat.com>
11076
11077         * gcc.c (struct infile): Update comment for language.
11078         (main): Rewrite input file resetting code.
11079
11080 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11081
11082         PR tree-opt/22335
11083         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11084         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11085         (lookup_avail_expr): Use constant_boolean_node instead
11086         of boolean_false_node/boolean_true_node.
11087
11088 2005-07-12  Ben Elliston  <bje@au.ibm.com>
11089
11090         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11091         and use it when printing num_edges.
11092
11093 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11094
11095         * doc/extend.texi (Blackfin Built-in Functions): New section.
11096         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11097         @opindex.
11098
11099 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11100
11101         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11102         s/cmpstrsi/cmpstrnsi
11103         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11104         'cmpstrnsi'.
11105         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11106         (init_optabs): Initialize cmpstrn_optab.
11107         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11108         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11109         * expr.c: (enum insn_code cmpstrn_optab): Declare.
11110         * config/i386/i386.md: s/cmpstr/cmpstrn
11111         * config/c4x/c4x.md: s/cmpstr/cmpstrn
11112         * doc/md.texi: Update documentation.
11113
11114 2005-07-11  Richard Henderson  <rth@redhat.com>
11115
11116         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11117         build_va_arg_indirect_ref.
11118         (alpha_gimplify_va_arg): Likewise.
11119         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11120         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11121         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11122         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11123         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11124         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11125         Likewise.
11126         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11127
11128 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11129
11130         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11131         * passes.c (init_optimization_passes): Add pass_empty_loop.
11132         * tree-pass.h (pass_empty_loop): Declare.
11133         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11134         try_remove_empty_loop, remove_empty_loops): New functions.
11135         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11136         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11137
11138 2005-07-12  Peter Barada  <peter@the-baradas.com>
11139
11140         PR middle-end/16719
11141         PR middle-end/18421
11142         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11143         in address registers.
11144         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11145         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11146         alternative of addsi3_5200.
11147
11148 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11149
11150         * config/mips/mips.md (ffs<mode>2): Remove.
11151
11152 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11153
11154         * doc/tree-ssa.texi (Cleanups): Improve description of
11155         TRY_FINALLY_EXPR.
11156         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11157
11158 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11159
11160         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11161         * tree.h (DECL_ARGUMENT_FLD): New macro.
11162
11163 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11164
11165         Fix PR tree-optimization/22404
11166
11167         * tree-ssa-structalias.c (create_variable_info_for): Use
11168         correct offset.
11169
11170 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11171
11172         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11173         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11174         for second comparison operand.
11175         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11176
11177         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11178         (define_insn_reservation "alu"): Likewise.
11179         (csync, ssync): Now of type sync.
11180         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11181         -mcsync-anomaly -mspecld-anomaly.
11182         * config/bfin/bfin.opt (mcsync): Remove.
11183         (mcsync-anomaly, mspecld-anomaly): Add.
11184         * config/bfin/bfin.c: Include "insn-codes.h".
11185         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11186         (TARGET_DEFAULT_TARGET_FLAGS): New.
11187         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11188
11189 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11190
11191         * basic-block.h: Give the BB flags enum a name, bb_flags.
11192         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11193         * cfgcleanup.c (enum bb_flags): Remove here.
11194         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11195         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11196         (update_forwarder_flag): Likewise.
11197         (thread_jump): Likewise.
11198         (try_forward_edges): Likewise.
11199         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11200         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11201         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11202
11203 2005-07-11  Richard Guenther  <rguenther@suse.de>
11204
11205         * config/i386/i386.opt: New target option -msseregparm.
11206         * config/i386/i386.c (override_options): Error out for
11207         -msseregparm but no SSE support.
11208         (ix86_function_sseregparm): Check for global sseregparm.
11209         * doc/invoke.texi: Document -msseregparm.
11210
11211 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11212
11213         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11214         (m32rle-*-linux*): Ditto.
11215
11216 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11217
11218         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11219         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11220         bytes.
11221
11222 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11223
11224         PR middle-end/22239
11225         PR target/20126
11226         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11227         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11228
11229 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11230
11231         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11232         (varmap): Heapify varmap.
11233         (constraints): Heapify constraints.
11234         (struct constraint_graph): Heapify succs and preds.
11235         (constraint_vec_find): Update for heapification.
11236         (constraint_set_union): Ditto.
11237         (insert_into_complex): Ditto.
11238         (constraint_edge_vec_find): Ditto.
11239         (erase_graph_self_edge): Ditto.
11240         (add_graph_edge): Ditto.
11241         (get_graph_weights): Ditto.
11242         (merge_graph_nodes): Ditto.
11243         (build_constraint_graph): Ditto.
11244         (topo_visit): Ditto.
11245         (solve_graph): Ditto.
11246         (create_variable_info_for): Ditto.
11247         (init_base_vars): Ditto.
11248         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11249         (condese_varmap_nodes): Free complex vector.
11250         (clear_edges_for_node): Clear succs and preds vector.
11251
11252 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11253
11254         * tree-ssa-structalias.c (update_alias_info): Change counting of
11255         references to not include vdefs.
11256
11257 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11258
11259         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11260         (up_insert): Ditto.
11261
11262 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11263
11264         * pa.c (pa_commutative_p): Make PLUS commutative when
11265         TARGET_NO_SPACE_REGS is true.
11266
11267 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11268
11269         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11270         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11271         * tree-dfa.c (dump_subvars_for): New.
11272         (debug_subvars_for): New.
11273         (dump_variable): Show subvariables if VAR has them.
11274         * tree-flow-inline.h (get_subvar_at): New.
11275         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11276         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11277         Update all users.
11278         (struct subvar): Change fields offset and size to unsigned
11279         HOST_WIDE_INT.
11280         (dump_subvars_for): Declare.
11281         (debug_subvars_for): Declare.
11282         (get_subvar_at): Declare.
11283         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11284         to unsigned HOST_WIDE_INT *.
11285         (overlap_subvar): Likewise.
11286         * tree-gimple.c (is_gimple_reg): Always return false for
11287         SFTs and memory tags.
11288         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11289         Update all callers.
11290         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11291         (compute_may_aliases): Call compute_points_to_sets.
11292         (collect_points_to_info_for): Remove.
11293         (compute_points_to_and_addr_escape): Remove.
11294         (delete_alias_info): Call delete_points_to_sets.
11295         (compute_flow_sensitive_aliasing): If the call to
11296         find_what_p_points_to returns false, call set_pt_anything.
11297         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11298         (set_pt_anything): Clear pi->pt_vars.
11299         (set_pt_malloc): Remove.
11300         (merge_pointed_to_info): Remove.
11301         (add_pointed_to_expr): Remove.
11302         (add_pointed_to_var): Remove.
11303         (collect_points_to_info_r): Remove.
11304         (is_escape_site): Make extern.
11305         (create_sft): New.
11306         (create_overlap_variables_for): Call it.
11307         * tree-ssa-copy.c (merge_alias_info): Never merge
11308         flow-sensitive alias information.
11309         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11310         offset and size to be unsigned HOST_WIDE_INT.
11311         (add_to_addressable_set): Rename from note_addressable.
11312         Set TREE_ADDRESSABLE as the variables are added to the set.
11313         Update all users.
11314         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11315         operands into VUSEs when adding V_MAY_DEFs for members in an
11316         alias set.
11317         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11318         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11319         (struct variable_info): Add bitfield is_heap_var.
11320         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11321         (new_var_info): Initialize is_heap_var.
11322         (get_constraint_for): Add HEAP variables to the symbol table.
11323         Mark them with is_heap_var.
11324         (update_alias_info): New.  Taken mostly from the old
11325         compute_points_to_and_addr_escape.
11326         (handle_ptr_arith): New.
11327         (find_func_aliases): Call update_alias_info.
11328         Call handle_ptr_info for tcc_binary expressions.
11329         Call mark_stmt_modified.
11330         (create_variable_info_for): If DECL has subvars, do not create
11331         variables for its subvars.  Always add all the fields.
11332         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11333         SFTs, then add all the SFTs of the structure.
11334         If VI->DECL is an aggregate with subvariables, add the SFT at
11335         VI->OFFSET.
11336         (find_what_p_points_to): If VI is an artificial variable,
11337         translate to bitfields in SSA_NAME_PTR_INFO.
11338         If the solution is empty, set pi->pt_vars to NULL
11339         (init_base_vars): Create ANYOFFSET.
11340         (compute_points_to_sets): Rename from create_alias_vars.
11341         Make extern.
11342         (pass_build_pta): Remove.
11343         (delete_points_to_sets): Rename from delete_alias_vars.
11344         (pass_del_pta): Remove.
11345         * tree-ssa-structalias.h (struct alias_info): Move from
11346         tree-ssa-alias.h.
11347         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11348         NUM_REFERENCES_SET): Likewise.
11349         (compute_points_to_sets, delete_points_to_sets): Declare.
11350
11351 2005-07-09  Richard Henderson  <rth@redhat.com>
11352
11353         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11354         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11355         alpha_split_lock_test_and_set_12): New functions.
11356         * config/alpha/alpha-protos.h: Update.
11357         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11358         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11359         * config/alpha/sync.md (I12MODE): New.
11360         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11361         (sync_<fetchop_name><I48MODE>): Likewise.
11362         (sync_nand<I48MODE>): Likewise.
11363         (sync_old_<fetchop_name><I48MODE>): Likewise.
11364         (sync_new_<fetchop_name><I48MODE>): Likewise.
11365         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11366         (sync_compare_and_swap<I48MODE>): Likewise.
11367         (sync_lock_test_and_set<I48MODE>): Likewise.
11368         (sync_compare_and_swap<I12MODE>): New.
11369         (sync_compare_and_swap<I12MODE>_1): New.
11370         (sync_lock_test_and_set<I12MODE>): New.
11371         (sync_lock_test_and_set<I12MODE>_1): New.
11372
11373 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11374
11375         PR 21356
11376         PR 22332
11377         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11378
11379 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11380
11381         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11382         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11383
11384 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11385
11386         PR target/21656
11387         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11388
11389 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11390
11391         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11392         memory_operand constraint.
11393         (store_conditional_<mode>): Same.
11394         (sync_compare_and_swap<mode>): Same.
11395         (sync_lock_test_and_set<mode>): Same.
11396
11397 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11398
11399         Rewrite PIC support to more closely model actual instructions.
11400         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11401         (cris_symbol): Remove prototypes for removed functions.
11402         (cris_pic_symbol_type_of, cris_valid_pic_const)
11403         (cris_expand_pic_call_address): Prototypes for new functions.
11404         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11405         variable.
11406         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11407         modifiers.
11408         <case ':'>: Add case for new punctuation character.
11409         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11410         emitting (extra) PIC modifier.
11411         <case UNSPEC>: Do not assert for PLT.
11412         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11413         (cris_expand_prologue, cris_expand_epilogue): Check
11414         for pic_offset_table_rtx usage instead of taking
11415         current_function_uses_pic_offset_table as the final word.
11416         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11417         Remove flag_pic difference.
11418         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11419         the moral equivalents of...
11420         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11421         functions.
11422         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11423         (cris_handle_option): Mark ARG as unused.
11424         (cris_expand_pic_call_address): New worker function for "call",
11425         "call_value".
11426         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11427         output PIC constructs here.
11428         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11429         as symbol-specific modifers, not whole or part of operands.
11430         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11431         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11432         constants and flag_pic.
11433         (CONSTANT_INDEX_P): Adjust for new functions.
11434         (enum cris_pic_symbol_type): New helper type.
11435         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11436         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11437         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11438         define_constants.
11439         ("movsi"): Emit actual instructions for GOT and relative access.
11440         ("*movsi_got_load"): New pattern to set up the register holding
11441         the GOT pointer.
11442         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11443         Adjust FIXME for 'S'.
11444         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11445         Use "movs" for -fpic cases.
11446         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11447         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11448         ("call", "call_value"): Just call cris_expand_pic_call_address for
11449         PIC addresses.
11450         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11451         Remove special pattern.
11452         ("*expanded_call_side", "*expanded_call_value_side"): New
11453         patterns.
11454         (gotplt-to-plt, gotplt-to-plt-side-call)
11455         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11456         peephole2:s.
11457         * config/cris/cris/predicates.md
11458         ("cris_general_operand_or_gotless_symbol"): Remove unused
11459         predicate.
11460         ("cris_general_operand_or_symbol"): Adjust for new functions.
11461
11462 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11463
11464         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11465
11466 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11467
11468         * Makefile.in (TREE_H): Add treestruct.def.
11469         (c-decl.o): Add pointer-set.h
11470         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11471         visibility on regular DECL's.
11472         (merge_decls): Fix the copying of decl nodes of various types for
11473         the new structures.  Don't update RTL, section name, weak status,
11474         etc, on DECL's without RTL.
11475         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11476         Don't check volatile on non-variable types.
11477         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11478         to check whether we have seen arguments.
11479         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11480         flag is checked before field (flag is common, field is not).
11481         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11482         TS_DECL_COMMON could have an origin.
11483         (add_location_or_const_value_attribute): Don't check section name
11484         on non-var/function decls.
11485         (dwarf2out_var_location): Reverse order of tests.
11486         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11487         with DECL_WRTL_CHECK.
11488         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11489         * fold-const.c (fold_binary): Don't check weakness on
11490         non-var/function decls.
11491         (tree_expr_nonzero_p): Ditto.
11492         (fold_checksum_tree): Use tree_decl_extra as sizeof
11493         buffer.
11494         * ggc-page.c (extra_order_size_table): Add sizes for
11495         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11496         tree_field_decl.
11497         * gimplify.c (gimplify_bind_expr): Only set
11498         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11499         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11500         without RTL.
11501         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11502         * langhooks.h (init_ts). New langhook.
11503         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11504         * print-tree.c (print_node): Update to only print fields that
11505         exist in the structures the passed decl has.
11506         * toplev.c (wrapup_global_declarations): Don't reset
11507         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11508         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11509         * tree-inline.c (remap_decl): Ditto.
11510         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11511         * tree-pretty-print.c (print_declaration): Don't print
11512         DECL_REGISTER on things that don't contain it.
11513         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11514         non-var/function decls.
11515         * tree.c (tree_contains_struct): New structure.
11516         (init_priority_for_decl): New hashtable.
11517         (tree_int_map): New structure.
11518         (tree_int_map_eq): New function.
11519         (tree_int_map_marked_p): Ditto.
11520         (tree_int_map_hash): Ditto.
11521         (tree_map): Move to tree.h.
11522         (tree_map_eq): Externalize.
11523         (tree_map_hash): Ditto.
11524         (tree_map_marked_p): Ditto.
11525         (init_ttree): Set up tree_contains_struct and call langhook.
11526         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11527         (tree_code_size): Update for new structures.
11528         (tree_node_structure): Update for new structures.
11529         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11530         without the field.
11531         (copy_node_stat):  Copy init priority.
11532         (build_decl_stat): Ditto for visibility.
11533         (ts_enum_names): New.
11534         (tree_contains_struct_check_failed): New function.
11535         (decl_init_priority_lookup): Ditto.
11536         (decl_init_priority_insert): Ditto.
11537         * treestruct.def: New file.
11538         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11539         (CONTAINS_STRUCT_CHECK): Ditto.
11540         (tree_contains_struct_check_failed): New prototype.
11541         (DECL_CHECK): Removed.
11542         (DECL_MINIMAL_CHECK): New.
11543         (DECL_COMMON_CHECK): Ditto.
11544         (DECL_WRTL_CHECK): Ditto.
11545         (DECL_NON_COMMON_CHECK): Ditto.
11546         (DECL_WITH_VIS_CHECK): Ditto.
11547         (VAR_OR_FUNCTION_DECL_P): Ditto
11548         (struct tree_decl_minimal): New structure.
11549         (struct tree_decl_common): Ditto.
11550         (struct tree_decl_with_rtl): Ditto.
11551         (struct tree_decl_with_vis): Ditto.
11552         (struct tree_decl_non_common): Ditto.
11553         (struct tree_field_decl): Ditto.
11554         (struct tree_parm_decl): Ditto.
11555         (struct tree_var_decl): Ditto.
11556         (struct tree_function_decl): Ditto.
11557         (struct tree_const_decl): Ditto.
11558         (struct tree_result_decl): Ditto.
11559         (union tree_node): Add new structures.
11560         * var-tracking.c (track_expr_p): Reverse order of tests.
11561
11562         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11563
11564 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11565
11566         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11567         * system.h: Poison FINALIZE_PIC.
11568         * doc/tm.texi (FINALIZE_PIC): Remove.
11569
11570 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11571
11572         PR tree-opt/22329
11573         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11574         to the correct type if we have a MODIFY_EXPR.
11575
11576 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11577
11578         PR tree-optimization/22360
11579         * tree.c (upper_bound_in_type): Fix calculations for casting
11580         to a non-wider signed type and casting a signed value to a
11581         wider unsigned type.
11582         (lower_bound_in_type): Fix calculations for casting to a
11583         non-wider signed type.
11584
11585         PR tree-optimization/20139
11586         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11587         release_defs.
11588         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11589         fold_cond_expr_cond.
11590         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11591         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11592
11593 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11594
11595         PR tree-opt/22356
11596         * tree-complex.c (expand_complex_libcall): Produce
11597         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11598
11599 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11600
11601         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11602         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11603         b" assert and inserted fastpath code for this case.
11604         (bitmap_ior): Removed "a != b" assert.
11605
11606 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11607
11608         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11609         (ENDFILE_SPEC): Likewise.
11610         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11611
11612         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11613         a large stack frame at epilogue.
11614
11615 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11616
11617         * final.c: Include sdbout.h when required.
11618
11619 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11620
11621         * config.gcc (*-*-darwin*): Only one target-specific header file
11622         for generic darwin.
11623         (powerpc-*-darwin*): Add version-specific header files.
11624         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11625         * config.in: Regenerate.
11626         * configure: Regenerate.
11627         * gcc.c: Include xregex.h.
11628         (version_compare_spec_function): New.
11629         (spec_function): Add version-compare.
11630         (replace_outfile_spec_function): Reformat comment.
11631         (compare_version_strings): New.
11632         * config/darwin-c.c (version_as_macro): New.
11633         (builtin_define): New.
11634         (darwin_cpp_builtins): New.
11635         * config/darwin-protos.h (darwin_cpp_builtins): New.
11636         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11637         (LIB_SPEC): Make unconditional, update comment.
11638         (TARGET_C99_FUNCTIONS): Define.
11639         * config/darwin.opt: Sort.
11640         (mmacosx-version-min=): New.
11641         * config/darwin7.h: Delete.
11642         * config/darwin8.h: Delete.
11643         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11644         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11645         (TARGET_C99_FUNCTIONS): Define.
11646         * config/rs6000/darwin7.h: New.
11647         * config/rs6000/darwin8.h: New.
11648         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11649         (-mmacosx-version-min): Document.
11650
11651 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11652
11653         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11654
11655 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11656
11657         PR middle-end/22239
11658         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11659
11660 2005-07-07  Khem Raj  <kraj@mvista.com>
11661
11662         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11663         in bytes, not words.
11664
11665 2005-07-07  Paul Brook  <paul@codesourcery.com>
11666
11667         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11668         DEFAULT_FUNCTION_ARG_PADDING to upward.
11669
11670 2005-07-07  Richard Henderson  <rth@redhat.com>
11671
11672         * function.c (locate_and_pad_parm): Record parameter alignment in
11673         stack_alignment_needed.
11674
11675 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11676
11677         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11678         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11679         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11680         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11681         (define_attr "type"): Add isync, sync, load_l, store_c.
11682         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11683         Create scratch volatile MEM.
11684         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11685         sync.
11686         (load_locked_<mode>): New.
11687         (store_conditional_<mode>): New.
11688         (sync_compare_and_swap<mode>): Replace with splitter.
11689         (sync_lock_test_and_set<mode>): Replace with splitter.
11690         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11691         and UNSPECV_ISYNC.
11692         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11693         is ics.  Attribute isync.
11694         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11695         lwsync.
11696         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11697         and UNSPECV_SYNC_OP.
11698         (emit_unlikely_jump): New.
11699         (emit_load_locked): New.
11700         (emit_store_conditional): New.
11701         (rs6000_split_compare_and_swap): New.
11702         (rs6000_split_lock_test_and_set): New.
11703         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11704         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11705         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11706         rs6000_split_lock_test_and_set): Declare.
11707         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11708         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11709         store_c, isync, sync.
11710
11711 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11712
11713         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11714         filenames to gtyp-gen.h.
11715         (s-typ-gen): Use it in place of for loops.
11716
11717 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11718
11719         * hooks.c (hook_bool_rtx_int_false): New function.
11720         * hooks.h (hook_bool_rtx_int_false): Declare.
11721         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11722         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11723         * target.h (struct gcc_target): Add commutative_p member.
11724         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11725         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11726         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11727         (pa_commutative_p): New function.
11728         * jump.c (target.h): Include.
11729         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11730         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11731
11732 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11733
11734         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11735         (s390_expand_setmem): New.
11736         * config/s390/s390.c: Likewise.
11737         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11738         Adapt comments.
11739         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11740         general_operand.  Call new function "s390_expand_setmem".
11741         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11742         ("setmem_long", "*setmem_long"): ... this.
11743
11744 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11745
11746         * config/s390/s390.c: (optimization_options): Enable
11747         TARGET_MVCLE at -Os.
11748         * doc/invoke.texi: Document changes in default behaviour.
11749         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11750
11751 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11752
11753         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11754         defined by back-end.
11755
11756 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11757
11758         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11759         all sets in the pattern.
11760         * config/rs6000/rs6000.md (stack_protect_testsi,
11761         stack_protect_testdi): Likewise.
11762
11763 2005-07-06  Jeff Law  <law@redhat.com>
11764
11765         * tree-vrp.c (simplify_using_ranges): Kill.
11766         (vrp_finalize): Remove call to simplify_using_ranges.
11767         (simplify_stmt_using_ranges): New function extracted from
11768         simplify_using_ranges.
11769         (simplify_div_or_mod_using_ranges): Likewise.
11770         (simplify_abs_using_ranges): Likewise.
11771         (simplify_cond_using_ranges): New function.
11772         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11773         * tree-ssa-propagate.c (substitute_and_fold): Call
11774         simplify_stmt_using_ranges if we have range information.
11775
11776 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11777
11778         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11779         ia64_flag_schedule_isns2.
11780
11781         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11782         reading/writing general registers.
11783         (ia64_function_arg): Revert 2005-06-18 change.
11784
11785 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11786
11787         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11788         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11789
11790 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11791
11792         * function.c (expand_function_end): Revert part of 2005-06-27
11793         patch.  Do sjlj_emit_function_exit_after after return_label.
11794
11795 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11796
11797         * doc/install.texi (--disable-libssp): New.
11798
11799 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11800
11801         * doc/invoke.texi: Update -fforce-mem documentation.
11802         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11803         code for -fforce-mem.
11804         * expmed.c: (store_bit_field,store_fixed_bit_field,
11805         extract_bit_field): Ditto.
11806         * expr.c: (convert_move): Ditto.
11807         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11808         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11809         emit_conditional_add,expand_float,expand_fix): Ditto.
11810         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11811         (common_handle_option): Issue warning when -fforce-mem specified.
11812
11813 2005-07-06  Paul Brook  <paul@codesourcery.com>
11814
11815         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11816         argument is empty.
11817         * configure: Regenerate.
11818
11819 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11820
11821         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11822
11823 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11824
11825         Fix PR tree-optimization/22319
11826         Fix PR tree-optimization/22140
11827         Fix PR tree-optimization/22310
11828
11829         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11830         variable sized types.
11831         Use correct type for intermediate structure on *a = *b structure
11832         copies.
11833
11834 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11835
11836         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11837         Remove.
11838         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11839         (machine_function): Move typedef to...
11840         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11841         varargs_save_offset field.
11842         (rs6000_stack_t): Remove varargs_size field.
11843         (setup_incoming_varargs): Allocate varargs save area using
11844         assign_stack_local, try to make it as small as possible.
11845         Save offset from virtual_stack_vars_rtx to the save area
11846         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11847         instead of magic 8 when fp word byte size is used.
11848         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11849         instead of -RS6000_VARARGS_SIZE.
11850         (rs6000_stack_info, debug_stack_info,
11851         rs6000_initial_elimination_offset): Remove all traces of
11852         varargs_size.
11853         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11854         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11855         RS6000_VARARGS_AREA.
11856
11857 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11858
11859         PR tree-optimization/21963
11860         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11861         constant_multiple_of in the same way get_computation_cost_at does.
11862
11863 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11864
11865         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11866         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11867         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11868         and return its previous value.
11869         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11870         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11871         constants.
11872         (stack_protect_set, stack_protect_test): New expanders.
11873         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11874         stack_protect_testdi): New insns.
11875         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11876         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11877
11878 2005-07-06  Jeff Law  <law@redhat.com>
11879
11880         * tree-ssa-dce.c (cfg_altered): New global.
11881         (tree_dce_init): Initialize cfg_altered.
11882         (remove_dead_stmt): If we remove an edge in the CFG, then set
11883         CFG_ALTERED.
11884         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11885         the dominators.
11886
11887 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11888
11889         * Makefile.in (stamp-collect-ld): Use
11890         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11891         ./collect-ld if it already exists.
11892         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11893         Don't remove ./nm if it already exists.
11894
11895 2005-07-05  Devang Patel  <dpatel@apple.com>
11896
11897         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11898         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11899         * tree-vectorizer.c (vect_loop_location): New.
11900         (vect_print_dump_info): Use vect_loop_location.
11901         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11902         (vectorize_loops): Set vect_loop_location.
11903         * tree-vect-analyze.c (vect_analyze_offset_expr,
11904         vect_determin_vectorization_factor, vect_analyze_operations,
11905         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11906         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11907         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11908         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11909         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11910         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11911         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11912         vect_analyze_loop): Adjust vect_print_dump_info API.
11913         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11914         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11915         vect_finish_stmt_generation, vectorizable_assignment,
11916         vectorizable_operation, vectorizable_store, vectorizable_load,
11917         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11918         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11919         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11920         vect_transform_loop): Same.
11921         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11922         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11923         Same.
11924
11925 2005-07-05  Randolph Chung  <tausq@debian.org>
11926
11927         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11928         * configure: Regenerate.
11929         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11930         (pa_tls_referenced_p): Declare.
11931         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11932         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11933         (legitimize_tls_address): New.
11934         (hppa_legitimize_address): Handle TLS addresses.
11935         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11936         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11937         (emit_move_sequence): Handle TLS addresses.
11938         (pa_encode_section_info): Call default handler to handle common
11939         sections.
11940         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11941         (CONSTANT_ADDRESS_P): Reject TLS operands.
11942         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11943         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11944         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11945         (UNSPEC_TLSLE): Define new constants.
11946         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11947         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11948         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11949         (tie_symbolic_operand, tle_symbolic_operand): New
11950
11951 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11952
11953         * aclocal.m4: Update macros for autoconf 2.59 style.
11954         * configure.ac: Likewise.
11955
11956 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11957
11958         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11959         (function_arg): Pass small aggregates in general registers on 32-bit
11960         targets.
11961         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11962
11963 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11964
11965         * Makefile.in (final.o): Fix dependencies.
11966
11967 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11968
11969         PR c/22013
11970         PR c/22098
11971         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11972         * langhooks.c (lhd_expr_to_decl): New.
11973         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11974         New.
11975         (LANG_HOOKS_INITIALIZER): Update.
11976         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11977         expr_to_decl langhook.
11978         * c-tree.h (c_expr_to_decl): Declare.
11979         * c-typeck.c (c_expr_to_decl): New.
11980         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11981         specially.
11982         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11983
11984 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11985
11986         PR c/22308
11987         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11988         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11989
11990 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11991
11992         * Makefile.in: Adjust dependencies.
11993         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11994         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11995         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11996         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11997         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11998         rest_of_compilation.
11999
12000         * bb-reorder.c (gate_duplicate_computed_gotos,
12001         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12002         rest_of_handle_reorder_blocks, pass_reorder_blocks,
12003         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12004         pass_partition_blocks): New.
12005         * bt-load.c (gate_handle_branch_target_load_optimize,
12006         rest_of_handle_branch_target_load_optimize,
12007         pass_branch_target_load_optimize): New.
12008         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12009         pass_jump2): New.
12010         * cfglayout.c (pass_insn_locators_initialize): New.
12011         * cfgrtl.c (pass_free_cfg): New.
12012         * combine.c (gate_handle_combine, rest_of_handle_combine,
12013         pass_combine): New.
12014         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12015         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12016         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12017         * except.c (pass_set_nothrow_function_flags,
12018         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12019         pass_rtl_eh): New.
12020         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12021         rest_of_handle_shorten_branches, pass_shorten_branches,
12022         rest_of_clean_state, pass_clean_state): New.
12023         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12024         rest_of_handle_remove_death_notes, pass_remove_death_notes,
12025         rest_of_handle_life, pass_life, rest_of_handle_flow2,
12026         pass_flow2): New.
12027         * function.c (pass_instantiate_virtual_regs, pass_init_function,
12028         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12029         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12030         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12031         pass_gcse): New.
12032         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12033         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12034         pass_rtl_ifcvt, gate_handle_if_after_combine,
12035         rest_of_handle_if_after_combine, pass_if_after_combine,
12036         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12037         pass_if_after_reload): New.
12038         * integrate.c (pass_initial_value_sets): New.
12039         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12040         pass_purge_lineno_notes): New.
12041         * mode-switching.c (rest_of_handle_mode_switching,
12042         pass_mode_switching): New.
12043         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12044         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12045         pass_loop2): New.
12046         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12047         pass_loop_optimize): New.
12048         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12049         pass_sms): New.
12050         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12051         pass_gcse2): New.
12052         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12053         pass_postreload_cse): New.
12054         * profile.c (gate_handle_profiling, pass_profiling,
12055         rest_of_handle_branch_prob, pass_branch_prob): New.
12056         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12057         pass_split_before_regstack, gate_handle_split_before_regstack,
12058         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12059         rest_of_handle_split_all_insns, pass_split_all_insns): New.
12060         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12061         pass_stack_regs): New.
12062         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12063         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12064         pass_stack_adjustments): New.
12065         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12066         pass_regrename): New.
12067         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12068         pass_delay_slots, gate_handle_machine_reorg,
12069         rest_of_handle_machine_reorg, pass_machine_reorg): New.
12070         * rtl.h (extern void purge_line_number_notes): New.
12071         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12072         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12073         pass_sched2): New.
12074         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12075         pass_tracer): New.
12076         * value-prof.c (gate_handle_value_profile_transformations,
12077         rest_of_handle_value_profile_transformations,
12078         pass_value_profile_transformations): New.
12079         * var-tracking.c (gate_handle_var_tracking,
12080         pass_variable_tracking): New.
12081         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12082
12083         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12084         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12085         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12086         rest_of_handle_old_regalloc, rest_of_handle_regrename,
12087         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12088         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12089         rest_of_handle_gcse2, rest_of_handle_regmove,
12090         rest_of_handle_tracer, rest_of_handle_if_conversion,
12091         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12092         rest_of_handle_web, rest_of_handle_branch_prob,
12093         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12094         rest_of_handle_jump_bypass, rest_of_handle_combine,
12095         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12096         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12097         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12098         rest_of_handle_mode_switching, rest_of_handle_jump,
12099         rest_of_handle_eh, rest_of_handle_stack_adjustments,
12100         rest_of_handle_flow2, rest_of_handle_jump2,
12101         rest_of_handle_peephole2, rest_of_handle_postreload,
12102         rest_of_handle_shorten_branches, rest_of_clean_state,
12103         rest_of_compilation): Remove.
12104
12105         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12106         * passes.c (dump_flags, in_gimple_form, all_passes,
12107         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12108         register_dump_files, next_pass_1, last_verified, execute_todo,
12109         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12110         from tree-optimize.c.
12111         (init_optimization_passes): Moved from tree-optimize.c,
12112         adding the RTL optimizations.
12113         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12114         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12115         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12116         register_dump_files, next_pass_1, last_verified, execute_todo,
12117         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12118         init_tree_optimization_passes, ipa_passes): Delete.
12119         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12120         the RTL dumps.
12121         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12122         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12123         from tree.h.
12124         (ipa_passes): Remove.
12125         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12126         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12127         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12128         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12129         (dump_info_p, dump_flag): Moved to tree-dump.h.
12130
12131         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12132         cgraph.c, opts.c.
12133         * passes.c (finish_optimization_passes): Use dump_begin
12134         and dump_end, TDI_end.
12135         (gate_rest_of_compilation): New.
12136         (pass_rest_of_compilation): Use it.
12137         (gate_postreload, pass_postreload): New.
12138         * toplev.c (general_init): Rename init_tree_optimization_passes.
12139         * toplev.h (init_tree_optimization_passes): Rename to
12140         init_optimizations_passes.
12141         * tree-dump.c (dump_flag): Make static.
12142         (dump_files): Remove RTL dumps.
12143         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12144         pass_cleanup_cfg, pass_free_cfg_annotations,
12145         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12146         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12147         * tree-pretty-print.c: Include tree-pass.h.
12148         * cgraph.c: Include tree-dump.h.
12149
12150 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12151
12152         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12153         Only fall back to saying it points to readonly memory if
12154         we can't do better.
12155
12156 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12157
12158         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12159         * config/m32r/m32r.c (m32r_compute_frame_size,
12160         m32r_expand_prologue): Take current_function_profile into
12161         account whenever we reference
12162         current_function_uses_pic_offset_table.
12163         (m32r_finalize_pic): Remove.
12164         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12165
12166 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12167
12168         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12169         instead of $<.  Don't remove ./as if it already exists.
12170
12171 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12172
12173         PR target/21723
12174         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12175         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12176         for complex modes when generating code for PA 1.0.
12177         (VALID_FP_MODE_P): New macro.
12178         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12179         sets for all general and floating point modes.  Align wide floating
12180         point modes to even register boundaries to comply with architectural
12181         requirements.
12182         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12183         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12184         (VALID_FP_MODE_P): New macro.
12185         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12186         sets for all general and floating point modes.  Align wide floating
12187         point modes to even register boundaries to comply with architectural
12188         requirements.
12189
12190 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12191
12192         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12193         to 0.
12194
12195 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12196
12197         * tree-ssa-structalias.c: Don't include expr.h.
12198
12199 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12200
12201         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12202         comments.
12203
12204 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12205
12206         Fix PR tree-optimization/22279
12207
12208         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12209         correct operator.
12210
12211 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12212
12213         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12214
12215 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12216
12217         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12218         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12219         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12220         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12221         config/stormy16/stormy16.c, config/v850/v850.c,
12222         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12223         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12224         Avoid "." or "\n" at end of diagnostics and capital letters at
12225         start of diagnostics.
12226         * combine.c, cse.c: Don't translate dump file output.
12227         * toplev.c (print_version): Only translate output if going to
12228         stderr.
12229
12230 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12231
12232         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12233         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12234         typos.
12235
12236 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12237
12238         * pa.c (fix_range): Fix typo in comment.
12239
12240 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12241
12242         * tree-vrp.c (extract_range_from_assert): Replace
12243         fold (build (...)) with fold_build2.
12244
12245 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12246
12247         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12248         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12249         (format_types_orig, handle_format_attribute): Add support for
12250         format "gcc_gfc".
12251
12252 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12253
12254         * varasm.c (assemble_variable): Fix format specifier thinko.
12255
12256 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12257
12258         PR tree-optimization/22029 (and 22135)
12259         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12260         a phi node before calling dump_vops.
12261
12262 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12263
12264         * tree-dump.h (dump_string_field): Declare.
12265         * tree-dump.c: Use it instead of dump_string.
12266         (dump_string_field): Make non-static.
12267
12268 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12269
12270         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12271         up the minimal CFG stuff always when optimize > 0.  Call
12272         split_all_insns_noflow in PIC case if needed.
12273
12274 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12275             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12276
12277         PR c++/18279
12278         * c-decl.c (c_write_global_declarations): Dump contents of
12279         external scope to.
12280         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12281         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12282         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12283         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12284         is enabled.
12285
12286 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12287
12288         * c-common.h (GCC_DIAG_STYLE): Define.
12289         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12290         version for format checking to 4.1.
12291         * c-format.c: Include toplev.h after c-common.h.
12292         (enum format_type): Add gcc_tdiag_format_type.
12293         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12294         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12295         (format_types_orig): Add gcc_tdiag.
12296         (init_dynamic_diag_info): Support gcc_tdiag formats.
12297         (handle_format_attribute): Likewise.
12298         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12299         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12300         version for format checking to 4.1.
12301         (warning0, warning, error, pedwarn, sorry): Use
12302         ATTRIBUTE_GCC_DIAG.
12303         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12304         (finish_aliases_1): Do not use %qE.
12305         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12306         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12307         Correct format bugs.
12308         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12309         parameter to unsigned HOST_WIDE_INT.
12310         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12311
12312 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12313
12314         PR middle-end/21742
12315         * expr.c (write_complex_part): Use adjust_address for MEM.
12316         (read_complex_part): Same.
12317
12318 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12319
12320         Fix PR tree-optimization/22280
12321
12322         * tree-sra.c (generate_element_init): Remove useless loop.
12323
12324 2005-07-02  Richard Henderson  <rth@redhat.com>
12325
12326         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12327         TLS_MODEL_NONE.
12328         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12329
12330 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12331
12332         PR middle-end/14490
12333         * fold-const.c (fold_binary): Handle the return value of
12334         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12335         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12336
12337 2005-07-02  Jeff Law  <law@redhat.com>
12338
12339         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12340         a eliminate type conversion which feeds an equality comparison
12341         if the original type or either operand in the comparison is a
12342         function pointer.
12343
12344 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12345
12346         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12347         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12348         texts.
12349         * config/avr/avr.c: Do not use '`' as left quote.
12350         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12351         Remove "." from end of diagnostics.  Make diagnostics start with
12352         lowercase letter.
12353
12354 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12355             Joseph S. Myers  <joseph@codesourcery.com>
12356
12357         * toplev.c (default_tree_printer): Handle setting location with
12358         '+' flag.
12359         * c-objc.common.c (c_tree_printer): Likewise.
12360         * c-format.c (gcc_diag_flag_specs): Add '+'.
12361         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12362         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12363         formats.
12364         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12365         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12366         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12367         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12368         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12369         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12370         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12371         format arguments where %J is used without %D.
12372
12373 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12374
12375         * gcc.c (LINK_SSP_SPEC): Define.
12376         (link_ssp_spec): New variable.
12377         (LINK_COMMAND_SPEC): Add %(link_ssp).
12378         (static_specs): Add link_ssp_spec.
12379         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12380         * configure: Rebuilt.
12381         * config.in: Rebuilt.
12382
12383         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12384         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12385         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12386         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12387         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12388         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12389         -0x7008(2) instead of reading __stack_chk_guard variable.
12390         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12391         number.
12392         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12393         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12394         if TARGET_THREAD_SSP_OFFSET is defined.
12395         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12396         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12397
12398         Revert:
12399         2005-06-27  Richard Henderson  <rth@redhat.com>
12400         * libgcc-std.ver (GCC_4.1.0): New.
12401         * libgcc.h (__stack_chk_guard): Declare.
12402         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12403         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12404         * mklibgcc.in (lib2funcs): Add them.
12405
12406 2005-07-01  Richard Henderson  <rth@redhat.com>
12407
12408         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12409         void * before struct sigcontext *.
12410         (x86_fallback_frame_state): Likewise.
12411
12412 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12413
12414         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12415
12416 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12417
12418         PR tree-opt/22269
12419         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12420         we check for SSA_NAME for.
12421
12422 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12423
12424         Fix PR tree-optimization/22071
12425
12426         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12427         function.
12428         (get_constraint_for_component_ref): Use it.
12429
12430 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12431
12432         PR other/22264
12433         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12434         print out the last new line.
12435
12436 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12437
12438         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12439         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12440         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12441         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12442         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12443         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12444         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12445         (enum reg_class): New member CC0_REGS.
12446         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12447         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12448         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12449         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12450         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12451         Adjust for register now described.
12452
12453 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12454
12455         PR target/22262
12456         * config/i386/i386.md (stack_protect_test_si,
12457         stack_protect_test_di): Add earlyclobber for scratch 3.
12458         * config/rs6000/rs6000.md (stack_protect_testsi,
12459         stack_protect_testdi): Add earlyclobber for scratch 3,
12460         remove earlyclobber from scratch 4.
12461
12462 Older entries for 2005 can be found in ChangeLog-2005.